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Code Issues Packages Projects Releases Wiki Activity

- Creates a Quartz Module for Nostr Events

Browse Source 
- Creates a Benchmark Module to test Performance
- Migrates from GSon to Jackson for Performance Gains, adapts all serializers accordingly
- Recreates Hex encoding/decoding classes for Performance.
- Migrates NIP24 to the new ByteArray Concat encoding.
- Removes support for Lenient choices in the. events.
- Reorganizes Nostr Events dependencies.
- Refactors TLV's and NIP-19 dependencies.
- Adds a Large DB for signature checks.
This commit is contained in:
Vitor Pamplona
2023-08-16 17:58:25 -04:00
parent f7e9898637
commit 255b48d126
230 changed files with 16037 additions and 1758 deletions
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app/src/main/java/com/vitorpamplona/amethyst/LocalPreferences.kt
+37 -53
View File
@@ -4,8 +4,7 @@ import android.annotation.SuppressLint
import android.content.Context
import android.content.SharedPreferences
import androidx.compose.runtime.Immutable
import com.google.gson.GsonBuilder
import com.google.gson.reflect.TypeToken
import com.fasterxml.jackson.module.kotlin.readValue
import com.vitorpamplona.amethyst.model.Account
import com.vitorpamplona.amethyst.model.ConnectivityType
import com.vitorpamplona.amethyst.model.GLOBAL_FOLLOWS
@@ -14,17 +13,16 @@ import com.vitorpamplona.amethyst.model.Nip47URI
import com.vitorpamplona.amethyst.model.RelaySetupInfo
import com.vitorpamplona.amethyst.model.ServersAvailable
import com.vitorpamplona.amethyst.model.Settings
import com.vitorpamplona.amethyst.model.hexToByteArray
import com.vitorpamplona.amethyst.model.parseConnectivityType
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.HttpClient
import com.vitorpamplona.amethyst.service.KeyPair
import com.vitorpamplona.amethyst.service.model.ContactListEvent
import com.vitorpamplona.amethyst.service.model.Event
import com.vitorpamplona.amethyst.service.model.Event.Companion.getRefinedEvent
import com.vitorpamplona.amethyst.service.model.LnZapEvent
import com.vitorpamplona.amethyst.service.toNpub
import fr.acinq.secp256k1.Hex
import com.vitorpamplona.quartz.crypto.KeyPair
import com.vitorpamplona.quartz.encoders.Hex
import com.vitorpamplona.quartz.encoders.hexToByteArray
import com.vitorpamplona.quartz.encoders.toHexKey
import com.vitorpamplona.quartz.encoders.toNpub
import com.vitorpamplona.quartz.events.ContactListEvent
import com.vitorpamplona.quartz.events.Event
import com.vitorpamplona.quartz.events.LnZapEvent
import java.io.File
import java.util.Locale
@@ -79,8 +77,6 @@ private object PrefKeys {
val LAST_READ: (String) -> String = { route -> "last_read_route_$route" }
}
private val gson = GsonBuilder().create()
object LocalPreferences {
private const val comma = ","
@@ -217,20 +213,20 @@ object LocalPreferences {
putStringSet(PrefKeys.FOLLOWING_CHANNELS, account.followingChannels)
putStringSet(PrefKeys.FOLLOWING_COMMUNITIES, account.followingCommunities)
putStringSet(PrefKeys.HIDDEN_USERS, account.hiddenUsers)
putString(PrefKeys.RELAYS, gson.toJson(account.localRelays))
putString(PrefKeys.RELAYS, Event.mapper.writeValueAsString(account.localRelays))
putStringSet(PrefKeys.DONT_TRANSLATE_FROM, account.dontTranslateFrom)
putString(PrefKeys.LANGUAGE_PREFS, gson.toJson(account.languagePreferences))
putString(PrefKeys.LANGUAGE_PREFS, Event.mapper.writeValueAsString(account.languagePreferences))
putString(PrefKeys.TRANSLATE_TO, account.translateTo)
putString(PrefKeys.ZAP_AMOUNTS, gson.toJson(account.zapAmountChoices))
putString(PrefKeys.REACTION_CHOICES, gson.toJson(account.reactionChoices))
putString(PrefKeys.DEFAULT_ZAPTYPE, gson.toJson(account.defaultZapType))
putString(PrefKeys.DEFAULT_FILE_SERVER, gson.toJson(account.defaultFileServer))
putString(PrefKeys.ZAP_AMOUNTS, Event.mapper.writeValueAsString(account.zapAmountChoices))
putString(PrefKeys.REACTION_CHOICES, Event.mapper.writeValueAsString(account.reactionChoices))
putString(PrefKeys.DEFAULT_ZAPTYPE, account.defaultZapType.name)
putString(PrefKeys.DEFAULT_FILE_SERVER, account.defaultFileServer.name)
putString(PrefKeys.DEFAULT_HOME_FOLLOW_LIST, account.defaultHomeFollowList)
putString(PrefKeys.DEFAULT_STORIES_FOLLOW_LIST, account.defaultStoriesFollowList)
putString(PrefKeys.DEFAULT_NOTIFICATION_FOLLOW_LIST, account.defaultNotificationFollowList)
putString(PrefKeys.DEFAULT_DISCOVERY_FOLLOW_LIST, account.defaultDiscoveryFollowList)
putString(PrefKeys.ZAP_PAYMENT_REQUEST_SERVER, gson.toJson(account.zapPaymentRequest))
putString(PrefKeys.LATEST_CONTACT_LIST, Event.gson.toJson(account.backupContactList))
putString(PrefKeys.ZAP_PAYMENT_REQUEST_SERVER, Event.mapper.writeValueAsString(account.zapPaymentRequest))
putString(PrefKeys.LATEST_CONTACT_LIST, Event.mapper.writeValueAsString(account.backupContactList))
putBoolean(PrefKeys.HIDE_DELETE_REQUEST_DIALOG, account.hideDeleteRequestDialog)
putBoolean(PrefKeys.HIDE_NIP_24_WARNING_DIALOG, account.hideNIP24WarningDialog)
putBoolean(PrefKeys.HIDE_BLOCK_ALERT_DIALOG, account.hideBlockAlertDialog)
@@ -238,7 +234,7 @@ object LocalPreferences {
putInt(PrefKeys.PROXY_PORT, account.proxyPort)
putBoolean(PrefKeys.WARN_ABOUT_REPORTS, account.warnAboutPostsWithReports)
putBoolean(PrefKeys.FILTER_SPAM_FROM_STRANGERS, account.filterSpamFromStrangers)
putString(PrefKeys.LAST_READ_PER_ROUTE, gson.toJson(account.lastReadPerRoute))
putString(PrefKeys.LAST_READ_PER_ROUTE, Event.mapper.writeValueAsString(account.lastReadPerRoute))
if (account.showSensitiveContent == null) {
remove(PrefKeys.SHOW_SENSITIVE_CONTENT)
@@ -302,10 +298,9 @@ object LocalPreferences {
val followingChannels = getStringSet(PrefKeys.FOLLOWING_CHANNELS, null) ?: setOf()
val followingCommunities = getStringSet(PrefKeys.FOLLOWING_COMMUNITIES, null) ?: setOf()
val hiddenUsers = getStringSet(PrefKeys.HIDDEN_USERS, emptySet()) ?: setOf()
val localRelays = gson.fromJson(
getString(PrefKeys.RELAYS, "[]"),
object : TypeToken<Set<RelaySetupInfo>>() {}.type
) ?: setOf<RelaySetupInfo>()
val localRelays = getString(PrefKeys.RELAYS, "[]")?.let {
Event.mapper.readValue<Set<RelaySetupInfo>>(it)
} ?: setOf<RelaySetupInfo>()
val dontTranslateFrom = getStringSet(PrefKeys.DONT_TRANSLATE_FROM, null) ?: setOf()
val translateTo = getString(PrefKeys.TRANSLATE_TO, null) ?: Locale.getDefault().language
@@ -314,29 +309,25 @@ object LocalPreferences {
val defaultNotificationFollowList = getString(PrefKeys.DEFAULT_NOTIFICATION_FOLLOW_LIST, null) ?: GLOBAL_FOLLOWS
val defaultDiscoveryFollowList = getString(PrefKeys.DEFAULT_DISCOVERY_FOLLOW_LIST, null) ?: GLOBAL_FOLLOWS
val zapAmountChoices = gson.fromJson(
getString(PrefKeys.ZAP_AMOUNTS, "[]"),
object : TypeToken<List<Long>>() {}.type
) ?: listOf(500L, 1000L, 5000L)
val zapAmountChoices = getString(PrefKeys.ZAP_AMOUNTS, "[]")?.let {
Event.mapper.readValue<List<Long>>(it)
}?.ifEmpty { listOf(500L, 1000L, 5000L) } ?: listOf(500L, 1000L, 5000L)
val reactionChoices = gson.fromJson<List<String>>(
getString(PrefKeys.REACTION_CHOICES, "[]"),
object : TypeToken<List<String>>() {}.type
).ifEmpty { listOf("+") } ?: listOf("+")
val reactionChoices = getString(PrefKeys.REACTION_CHOICES, "[]")?.let {
Event.mapper.readValue<List<String>>(it)
}?.ifEmpty { listOf("+") } ?: listOf("+")
val defaultZapType = gson.fromJson(
getString(PrefKeys.DEFAULT_ZAPTYPE, "PUBLIC"),
object : TypeToken<LnZapEvent.ZapType>() {}.type
) ?: LnZapEvent.ZapType.PUBLIC
val defaultZapType = getString(PrefKeys.DEFAULT_ZAPTYPE, "")?.let { serverName ->
LnZapEvent.ZapType.values().first { it.name == serverName }
} ?: LnZapEvent.ZapType.PUBLIC
val defaultFileServer = gson.fromJson(
getString(PrefKeys.DEFAULT_FILE_SERVER, "NOSTR_BUILD"),
object : TypeToken<ServersAvailable>() {}.type
) ?: ServersAvailable.NOSTR_BUILD
val defaultFileServer = getString(PrefKeys.DEFAULT_FILE_SERVER, "")?.let { serverName ->
ServersAvailable.values().first { it.name == serverName }
} ?: ServersAvailable.NOSTR_BUILD
val zapPaymentRequestServer = try {
getString(PrefKeys.ZAP_PAYMENT_REQUEST_SERVER, null)?.let {
gson.fromJson(it, Nip47URI::class.java)
Event.mapper.readValue<Nip47URI>(it)
}
} catch (e: Throwable) {
e.printStackTrace()
@@ -345,8 +336,7 @@ object LocalPreferences {
val latestContactList = try {
getString(PrefKeys.LATEST_CONTACT_LIST, null)?.let {
Event.gson.fromJson(it, Event::class.java)
.getRefinedEvent(true) as ContactListEvent
Event.fromJson(it) as ContactListEvent?
}
} catch (e: Throwable) {
e.printStackTrace()
@@ -355,10 +345,7 @@ object LocalPreferences {
val languagePreferences = try {
getString(PrefKeys.LANGUAGE_PREFS, null)?.let {
gson.fromJson(
it,
object : TypeToken<Map<String, String>>() {}.type
) as Map<String, String>
Event.mapper.readValue<Map<String, String>>(it)
} ?: mapOf()
} catch (e: Throwable) {
e.printStackTrace()
@@ -382,10 +369,7 @@ object LocalPreferences {
val lastReadPerRoute = try {
getString(PrefKeys.LAST_READ_PER_ROUTE, null)?.let {
gson.fromJson(
it,
object : TypeToken<Map<String, Long>>() {}.type
) as Map<String, Long>
Event.mapper.readValue<Map<String, Long>>(it)
} ?: mapOf()
} catch (e: Throwable) {
e.printStackTrace()
app/src/main/java/com/vitorpamplona/amethyst/model/Account.kt
+37 -8
View File
@@ -8,11 +8,8 @@ import androidx.core.os.ConfigurationCompat
import androidx.lifecycle.LiveData
import androidx.lifecycle.distinctUntilChanged
import com.vitorpamplona.amethyst.OptOutFromFilters
import com.vitorpamplona.amethyst.service.CryptoUtils
import com.vitorpamplona.amethyst.service.FileHeader
import com.vitorpamplona.amethyst.service.KeyPair
import com.vitorpamplona.amethyst.service.NostrLnZapPaymentResponseDataSource
import com.vitorpamplona.amethyst.service.model.*
import com.vitorpamplona.amethyst.service.relays.Client
import com.vitorpamplona.amethyst.service.relays.Constants
import com.vitorpamplona.amethyst.service.relays.FeedType
@@ -20,6 +17,13 @@ import com.vitorpamplona.amethyst.service.relays.Relay
import com.vitorpamplona.amethyst.service.relays.RelayPool
import com.vitorpamplona.amethyst.ui.components.BundledUpdate
import com.vitorpamplona.amethyst.ui.note.combineWith
import com.vitorpamplona.quartz.crypto.CryptoUtils
import com.vitorpamplona.quartz.crypto.KeyPair
import com.vitorpamplona.quartz.encoders.ATag
import com.vitorpamplona.quartz.encoders.HexKey
import com.vitorpamplona.quartz.encoders.hexToByteArray
import com.vitorpamplona.quartz.encoders.toHexKey
import com.vitorpamplona.quartz.events.*
import kotlinx.collections.immutable.ImmutableSet
import kotlinx.collections.immutable.persistentSetOf
import kotlinx.collections.immutable.toImmutableSet
@@ -1192,7 +1196,12 @@ class Account(
}
fun getBlockListNote(): AddressableNote {
val aTag = ATag(PeopleListEvent.kind, userProfile().pubkeyHex, PeopleListEvent.blockList, null)
val aTag = ATag(
PeopleListEvent.kind,
userProfile().pubkeyHex,
PeopleListEvent.blockList,
null
)
return LocalCache.getOrCreateAddressableNote(aTag)
}
@@ -1320,7 +1329,12 @@ class Account(
val privKey = keyPair.privKey
return if (listName != null) {
val aTag = ATag(PeopleListEvent.kind, userProfile().pubkeyHex, listName, null).toTag()
val aTag = ATag(
PeopleListEvent.kind,
userProfile().pubkeyHex,
listName,
null
).toTag()
val list = LocalCache.addressables[aTag]
if (list != null) {
val publicHexList = (list.event as? PeopleListEvent)?.bookmarkedPeople() ?: emptySet()
@@ -1344,7 +1358,12 @@ class Account(
val privKey = keyPair.privKey
return if (listName != null) {
val aTag = ATag(PeopleListEvent.kind, userProfile().pubkeyHex, listName, null).toTag()
val aTag = ATag(
PeopleListEvent.kind,
userProfile().pubkeyHex,
listName,
null
).toTag()
val list = LocalCache.addressables[aTag]
if (list != null) {
val publicAddresses = list.event?.hashtags() ?: emptySet()
@@ -1368,7 +1387,12 @@ class Account(
val privKey = keyPair.privKey
return if (listName != null) {
val aTag = ATag(PeopleListEvent.kind, userProfile().pubkeyHex, listName, null).toTag()
val aTag = ATag(
PeopleListEvent.kind,
userProfile().pubkeyHex,
listName,
null
).toTag()
val list = LocalCache.addressables[aTag]
if (list != null) {
val publicAddresses = list.event?.geohashes() ?: emptySet()
@@ -1392,7 +1416,12 @@ class Account(
val privKey = keyPair.privKey
return if (listName != null) {
val aTag = ATag(PeopleListEvent.kind, userProfile().pubkeyHex, listName, null).toTag()
val aTag = ATag(
PeopleListEvent.kind,
userProfile().pubkeyHex,
listName,
null
).toTag()
val list = LocalCache.addressables[aTag]
if (list != null) {
val publicAddresses = list.event?.taggedAddresses()?.map { it.toTag() } ?: emptySet()
app/src/main/java/com/vitorpamplona/amethyst/model/AntiSpamFilter.kt
+3 -2
View File
@@ -6,10 +6,11 @@ import androidx.compose.runtime.Stable
import androidx.lifecycle.LiveData
import com.vitorpamplona.amethyst.OptOutFromFilters
import com.vitorpamplona.amethyst.service.checkNotInMainThread
import com.vitorpamplona.amethyst.service.model.Event
import com.vitorpamplona.amethyst.service.nip19.Nip19
import com.vitorpamplona.amethyst.service.relays.Relay
import com.vitorpamplona.amethyst.ui.components.BundledUpdate
import com.vitorpamplona.quartz.encoders.HexKey
import com.vitorpamplona.quartz.encoders.Nip19
import com.vitorpamplona.quartz.events.Event
import kotlinx.coroutines.Dispatchers
data class Spammer(val pubkeyHex: HexKey, var duplicatedMessages: Set<HexKey>)
app/src/main/java/com/vitorpamplona/amethyst/model/Channel.kt
+6 -5
View File
@@ -4,13 +4,14 @@ import androidx.compose.runtime.Stable
import androidx.lifecycle.LiveData
import com.vitorpamplona.amethyst.service.NostrSingleChannelDataSource
import com.vitorpamplona.amethyst.service.checkNotInMainThread
import com.vitorpamplona.amethyst.service.model.ATag
import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
import com.vitorpamplona.amethyst.service.model.LiveActivitiesEvent
import com.vitorpamplona.amethyst.service.toNote
import com.vitorpamplona.amethyst.ui.components.BundledUpdate
import com.vitorpamplona.amethyst.ui.note.toShortenHex
import fr.acinq.secp256k1.Hex
import com.vitorpamplona.quartz.encoders.ATag
import com.vitorpamplona.quartz.encoders.Hex
import com.vitorpamplona.quartz.encoders.HexKey
import com.vitorpamplona.quartz.encoders.toNote
import com.vitorpamplona.quartz.events.ChannelCreateEvent
import com.vitorpamplona.quartz.events.LiveActivitiesEvent
import kotlinx.coroutines.Dispatchers
import java.util.concurrent.ConcurrentHashMap
app/src/main/java/com/vitorpamplona/amethyst/model/HexUtils.kt
-52
View File
@@ -1,52 +0,0 @@
package com.vitorpamplona.amethyst.model
import com.vitorpamplona.amethyst.service.KeyPair
import com.vitorpamplona.amethyst.service.bechToBytes
import com.vitorpamplona.amethyst.service.nip19.Nip19
import com.vitorpamplona.amethyst.ui.note.toShortenHex
import fr.acinq.secp256k1.Hex
/** Makes the distinction between String and Hex **/
typealias HexKey = String
fun ByteArray.toHexKey(): HexKey {
return Hex.encode(this)
}
fun HexKey.hexToByteArray(): ByteArray {
return Hex.decode(this)
}
fun HexKey.toDisplayHexKey(): String {
return this.toShortenHex()
}
fun decodePublicKey(key: String): ByteArray {
val parsed = Nip19.uriToRoute(key)
val pubKeyParsed = parsed?.hex?.hexToByteArray()
return if (key.startsWith("nsec")) {
KeyPair(privKey = key.bechToBytes()).pubKey
} else if (pubKeyParsed != null) {
pubKeyParsed
} else {
Hex.decode(key)
}
}
fun decodePublicKeyAsHexOrNull(key: String): HexKey? {
return try {
val parsed = Nip19.uriToRoute(key)
val pubKeyParsed = parsed?.hex
if (key.startsWith("nsec")) {
KeyPair(privKey = key.bechToBytes()).pubKey.toHexKey()
} else if (pubKeyParsed != null) {
pubKeyParsed
} else {
Hex.decode(key).toHexKey()
}
} catch (e: Exception) {
null
}
}
app/src/main/java/com/vitorpamplona/amethyst/model/LocalCache.kt
+8 -4
View File
@@ -3,13 +3,17 @@ package com.vitorpamplona.amethyst.model
import android.util.Log
import androidx.compose.runtime.Stable
import com.vitorpamplona.amethyst.Amethyst
import com.vitorpamplona.amethyst.service.HexValidator
import com.vitorpamplona.amethyst.service.checkNotInMainThread
import com.vitorpamplona.amethyst.service.model.*
import com.vitorpamplona.amethyst.service.nip19.Nip19
import com.vitorpamplona.amethyst.service.relays.Relay
import com.vitorpamplona.amethyst.ui.components.BundledInsert
import fr.acinq.secp256k1.Hex
import com.vitorpamplona.quartz.encoders.ATag
import com.vitorpamplona.quartz.encoders.Hex
import com.vitorpamplona.quartz.encoders.HexKey
import com.vitorpamplona.quartz.encoders.HexValidator
import com.vitorpamplona.quartz.encoders.Nip19
import com.vitorpamplona.quartz.encoders.decodePublicKeyAsHexOrNull
import com.vitorpamplona.quartz.encoders.toHexKey
import com.vitorpamplona.quartz.events.*
import kotlinx.collections.immutable.persistentSetOf
import kotlinx.collections.immutable.toImmutableSet
import kotlinx.coroutines.*
app/src/main/java/com/vitorpamplona/amethyst/model/Nip47URI.kt
+2
View File
@@ -1,3 +1,5 @@
package com.vitorpamplona.amethyst.model
import com.vitorpamplona.quartz.encoders.HexKey
data class Nip47URI(val pubKeyHex: HexKey, val relayUri: String?, val secret: HexKey?)
app/src/main/java/com/vitorpamplona/amethyst/model/Note.kt
+8 -9
View File
@@ -6,25 +6,24 @@ import androidx.lifecycle.LiveData
import com.vitorpamplona.amethyst.service.NostrSingleEventDataSource
import com.vitorpamplona.amethyst.service.checkNotInMainThread
import com.vitorpamplona.amethyst.service.firstFullCharOrEmoji
import com.vitorpamplona.amethyst.service.lnurl.LnInvoiceUtil
import com.vitorpamplona.amethyst.service.model.*
import com.vitorpamplona.amethyst.service.nip19.Nip19
import com.vitorpamplona.amethyst.service.relays.EOSETime
import com.vitorpamplona.amethyst.service.relays.Relay
import com.vitorpamplona.amethyst.service.toNote
import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
import com.vitorpamplona.amethyst.ui.actions.updated
import com.vitorpamplona.amethyst.ui.components.BundledUpdate
import com.vitorpamplona.amethyst.ui.note.toShortenHex
import fr.acinq.secp256k1.Hex
import com.vitorpamplona.quartz.encoders.ATag
import com.vitorpamplona.quartz.encoders.Hex
import com.vitorpamplona.quartz.encoders.HexKey
import com.vitorpamplona.quartz.encoders.LnInvoiceUtil
import com.vitorpamplona.quartz.encoders.Nip19
import com.vitorpamplona.quartz.encoders.toNote
import com.vitorpamplona.quartz.events.*
import com.vitorpamplona.quartz.utils.TimeUtils
import kotlinx.coroutines.Dispatchers
import java.math.BigDecimal
import java.time.Instant
import java.time.ZoneId
import java.time.format.DateTimeFormatter
import java.util.regex.Pattern
val tagSearch = Pattern.compile("(?:\\s|\\A)\\#\\[([0-9]+)\\]")
@Stable
class AddressableNote(val address: ATag) : Note(address.toTag()) {
app/src/main/java/com/vitorpamplona/amethyst/model/ParticipantListBuilder.kt
+2
View File
@@ -1,5 +1,7 @@
package com.vitorpamplona.amethyst.model
import com.vitorpamplona.quartz.encoders.HexKey
class ParticipantListBuilder {
private fun addFollowsThatDirectlyParticipateOnToSet(baseNote: Note, followingSet: Set<HexKey>?, set: MutableSet<User>) {
baseNote.author?.let { author ->
app/src/main/java/com/vitorpamplona/amethyst/model/RelayInformation.kt
+10 -203
View File
@@ -1,17 +1,12 @@
package com.vitorpamplona.amethyst.model
import androidx.compose.runtime.Stable
import com.google.gson.Gson
import com.google.gson.GsonBuilder
import com.google.gson.JsonArray
import com.google.gson.JsonElement
import com.google.gson.JsonObject
import com.google.gson.JsonSerializationContext
import com.google.gson.JsonSerializer
import java.lang.reflect.Type
import com.fasterxml.jackson.databind.DeserializationFeature
import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
@Stable
class RelayInformation(
val id: String?,
val name: String?,
val description: String?,
val pubkey: String?,
@@ -29,15 +24,9 @@ class RelayInformation(
val fees: RelayInformationFees?
) {
companion object {
val gson: Gson = GsonBuilder()
.disableHtmlEscaping()
.registerTypeAdapter(RelayInformation::class.java, RelayInformationSerializer())
.registerTypeAdapter(RelayInformationLimitation::class.java, RelayInformationLimitationSerializer())
.registerTypeAdapter(RelayInformationFees::class.java, RelayInformationFeesSerializer())
.registerTypeAdapter(RelayInformationFee::class.java, RelayInformationFeeSerializer())
.create()
val mapper = jacksonObjectMapper().configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
fun fromJson(json: String): RelayInformation = gson.fromJson(json, RelayInformation::class.java)
fun fromJson(json: String): RelayInformation = mapper.readValue(json, RelayInformation::class.java)
}
}
@@ -47,96 +36,14 @@ class RelayInformationFee(
val unit: String?,
val period: Int?,
val kinds: List<Int>?
) {
companion object {
val gson: Gson = GsonBuilder()
.disableHtmlEscaping()
.registerTypeAdapter(RelayInformationFee::class.java, RelayInformationFeeSerializer())
.create()
fun fromJson(json: String): RelayInformationFee = gson.fromJson(json, RelayInformationFee::class.java)
}
}
private class RelayInformationFeeSerializer : JsonSerializer<RelayInformationFee> {
override fun serialize(
src: RelayInformationFee,
typeOfSrc: Type?,
context: JsonSerializationContext?
): JsonElement {
return JsonObject().apply {
addProperty("amount", src.amount)
addProperty("unit", src.unit)
addProperty("period", src.period)
add(
"kinds",
JsonArray().also { kinds ->
src.kinds?.forEach { kind ->
kinds.add(
kind
)
}
}
)
}
}
}
)
class RelayInformationFees(
val admission: List<RelayInformationFee>?,
val subscription: List<RelayInformationFee>?,
val publication: List<RelayInformationFee>?
) {
companion object {
val gson: Gson = GsonBuilder()
.disableHtmlEscaping()
.registerTypeAdapter(RelayInformationFees::class.java, RelayInformationFeesSerializer())
.create()
fun fromJson(json: String): RelayInformationFees = gson.fromJson(json, RelayInformationFees::class.java)
}
}
private class RelayInformationFeesSerializer : JsonSerializer<RelayInformationFees> {
override fun serialize(
src: RelayInformationFees,
typeOfSrc: Type?,
context: JsonSerializationContext?
): JsonElement {
return JsonObject().apply {
add(
"admission",
JsonArray().also { admissions ->
src.admission?.forEach { admission ->
admissions.add(
admission.toString()
)
}
}
)
add(
"publication",
JsonArray().also { publications ->
src.publication?.forEach { publication ->
publications.add(
publication.toString()
)
}
}
)
add(
"subscription",
JsonArray().also { subscriptions ->
src.subscription?.forEach { subscription ->
subscriptions.add(
subscription.toString()
)
}
}
)
}
}
}
val publication: List<RelayInformationFee>?,
val retention: List<RelayInformationFee>?
)
class RelayInformationLimitation(
val max_message_length: Int?,
@@ -150,104 +57,4 @@ class RelayInformationLimitation(
val min_pow_difficulty: Int?,
val auth_required: Boolean?,
val payment_required: Boolean?
) {
companion object {
val gson: Gson = GsonBuilder()
.disableHtmlEscaping()
.registerTypeAdapter(RelayInformationLimitation::class.java, RelayInformationLimitationSerializer())
.create()
fun fromJson(json: String): RelayInformationLimitation = gson.fromJson(json, RelayInformationLimitation::class.java)
}
}
private class RelayInformationLimitationSerializer : JsonSerializer<RelayInformationLimitation> {
override fun serialize(
src: RelayInformationLimitation,
typeOfSrc: Type?,
context: JsonSerializationContext?
): JsonElement {
return JsonObject().apply {
addProperty("max_message_length", src.max_message_length)
addProperty("max_subscriptions", src.max_subscriptions)
addProperty("max_filters", src.max_filters)
addProperty("max_limit", src.max_limit)
addProperty("max_subid_length", src.max_subid_length)
addProperty("min_prefix", src.min_prefix)
addProperty("max_event_tags", src.max_event_tags)
addProperty("max_content_length", src.max_content_length)
addProperty("min_pow_difficulty", src.min_pow_difficulty)
addProperty("auth_required", src.auth_required)
addProperty("payment_required", src.payment_required)
}
}
}
private class RelayInformationSerializer : JsonSerializer<RelayInformation> {
override fun serialize(
src: RelayInformation,
typeOfSrc: Type?,
context: JsonSerializationContext?
): JsonElement {
return JsonObject().apply {
addProperty("name", src.name)
addProperty("description", src.description)
addProperty("pubkey", src.pubkey)
addProperty("contact", src.contact)
add(
"supported_nip_extensions",
JsonArray().also { supported_nip_extensions ->
src.supported_nip_extensions?.forEach { nip ->
supported_nip_extensions.add(
nip
)
}
}
)
add(
"supported_nips",
JsonArray().also { supported_nips ->
src.supported_nips?.forEach { nip ->
supported_nips.add(
nip
)
}
}
)
addProperty("software", src.software)
addProperty("version", src.version)
add(
"relay_countries",
JsonArray().also { relay_countries ->
src.relay_countries?.forEach { country ->
relay_countries.add(
country
)
}
}
)
add(
"language_tags",
JsonArray().also { language_tags ->
src.language_tags?.forEach { language_tag ->
language_tags.add(
language_tag
)
}
}
)
add(
"tags",
JsonArray().also { tags ->
src.tags?.forEach { tag ->
tags.add(
tag
)
}
}
)
addProperty("posting_policy", src.posting_policy)
addProperty("payments_url", src.payments_url)
}
}
}
)
app/src/main/java/com/vitorpamplona/amethyst/model/ThreadAssembler.kt
+2 -2
View File
@@ -1,8 +1,8 @@
package com.vitorpamplona.amethyst.model
import com.vitorpamplona.amethyst.service.checkNotInMainThread
import com.vitorpamplona.amethyst.service.model.GenericRepostEvent
import com.vitorpamplona.amethyst.service.model.RepostEvent
import com.vitorpamplona.quartz.events.GenericRepostEvent
import com.vitorpamplona.quartz.events.RepostEvent
import kotlin.time.ExperimentalTime
import kotlin.time.measureTimedValue
app/src/main/java/com/vitorpamplona/amethyst/model/TimeUtils.kt
-21
View File
@@ -1,21 +0,0 @@
package com.vitorpamplona.amethyst.model
import com.vitorpamplona.amethyst.service.CryptoUtils
object TimeUtils {
const val oneMinute = 60
const val fiveMinutes = 5 * oneMinute
const val oneHour = 60 * oneMinute
const val eightHours = 8 * oneHour
const val oneDay = 24 * oneHour
const val oneWeek = 7 * oneDay
fun now() = System.currentTimeMillis() / 1000
fun fiveMinutesAgo() = now() - fiveMinutes
fun oneHourAgo() = now() - oneHour
fun oneDayAgo() = now() - oneDay
fun eightHoursAgo() = now() - eightHours
fun oneWeekAgo() = now() - oneWeek
fun randomWithinAWeek() = System.currentTimeMillis() / 1000 - CryptoUtils.randomInt(oneWeek)
}
app/src/main/java/com/vitorpamplona/amethyst/model/User.kt
+13 -75
View File
@@ -3,23 +3,25 @@ package com.vitorpamplona.amethyst.model
import androidx.compose.runtime.Immutable
import androidx.compose.runtime.Stable
import androidx.lifecycle.LiveData
import com.vitorpamplona.amethyst.service.Bech32
import com.vitorpamplona.amethyst.service.NostrSingleUserDataSource
import com.vitorpamplona.amethyst.service.checkNotInMainThread
import com.vitorpamplona.amethyst.service.model.BookmarkListEvent
import com.vitorpamplona.amethyst.service.model.ContactListEvent
import com.vitorpamplona.amethyst.service.model.LnZapEvent
import com.vitorpamplona.amethyst.service.model.MetadataEvent
import com.vitorpamplona.amethyst.service.model.ReportEvent
import com.vitorpamplona.amethyst.service.relays.EOSETime
import com.vitorpamplona.amethyst.service.relays.Relay
import com.vitorpamplona.amethyst.service.toNpub
import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
import com.vitorpamplona.amethyst.ui.components.BundledUpdate
import com.vitorpamplona.amethyst.ui.note.toShortenHex
import fr.acinq.secp256k1.Hex
import kotlinx.collections.immutable.ImmutableSet
import com.vitorpamplona.quartz.encoders.Bech32
import com.vitorpamplona.quartz.encoders.Hex
import com.vitorpamplona.quartz.encoders.HexKey
import com.vitorpamplona.quartz.encoders.toNpub
import com.vitorpamplona.quartz.events.BookmarkListEvent
import com.vitorpamplona.quartz.events.ChatroomKey
import com.vitorpamplona.quartz.events.ContactListEvent
import com.vitorpamplona.quartz.events.LnZapEvent
import com.vitorpamplona.quartz.events.MetadataEvent
import com.vitorpamplona.quartz.events.ReportEvent
import com.vitorpamplona.quartz.events.UserMetadata
import com.vitorpamplona.quartz.events.toImmutableListOfLists
import com.vitorpamplona.quartz.utils.TimeUtils
import kotlinx.collections.immutable.persistentSetOf
import kotlinx.coroutines.Dispatchers
import java.math.BigDecimal
@@ -27,11 +29,6 @@ import java.util.regex.Pattern
val lnurlpPattern = Pattern.compile("(?i:http|https):\\/\\/((.+)\\/)*\\.well-known\\/lnurlp\\/(.*)")
@Stable
data class ChatroomKey(
val users: ImmutableSet<HexKey>
)
@Stable
class User(val pubkeyHex: String) {
var info: UserMetadata? = null
@@ -469,65 +466,6 @@ class Chatroom() {
}
}
@Stable
class UserMetadata {
var name: String? = null
var username: String? = null
var display_name: String? = null
var displayName: String? = null
var picture: String? = null
var banner: String? = null
var website: String? = null
var about: String? = null
var nip05: String? = null
var nip05Verified: Boolean = false
var nip05LastVerificationTime: Long? = 0
var domain: String? = null
var lud06: String? = null
var lud16: String? = null
var publish: String? = null
var iris: String? = null
var main_relay: String? = null
var twitter: String? = null
var updatedMetadataAt: Long = 0
var latestMetadata: MetadataEvent? = null
var tags: ImmutableListOfLists<String>? = null
fun anyName(): String? {
return display_name ?: displayName ?: name ?: username
}
fun anyNameStartsWith(prefix: String): Boolean {
return listOfNotNull(name, username, display_name, displayName, nip05, lud06, lud16)
.any { it.contains(prefix, true) }
}
fun lnAddress(): String? {
return (lud16?.trim() ?: lud06?.trim())?.ifBlank { null }
}
fun bestUsername(): String? {
return name?.ifBlank { null } ?: username?.ifBlank { null }
}
fun bestDisplayName(): String? {
return displayName?.ifBlank { null } ?: display_name?.ifBlank { null }
}
fun nip05(): String? {
return nip05?.ifBlank { null }
}
fun profilePicture(): String? {
if (picture.isNullOrBlank()) picture = null
return picture
}
}
class UserLiveData(val user: User) : LiveData<UserState>(UserState(user)) {
// Refreshes observers in batches.
private val bundler = BundledUpdate(500, Dispatchers.IO)
app/src/main/java/com/vitorpamplona/amethyst/service/Bech32Util.kt
-217
View File
@@ -1,217 +0,0 @@
package com.vitorpamplona.amethyst.service
/*
* Copyright 2020 ACINQ SAS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import kotlin.jvm.JvmStatic
/**
* Bech32 works with 5 bits values, we use this type to make it explicit: whenever you see Int5 it means 5 bits values,
* and whenever you see Byte it means 8 bits values.
*/
private typealias Int5 = Byte
/**
* Bech32 and Bech32m address formats.
* See https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki and https://github.com/bitcoin/bips/blob/master/bip-0350.mediawiki.
*/
object Bech32 {
const val alphabet: String = "qpzry9x8gf2tvdw0s3jn54khce6mua7l"
enum class Encoding(public val constant: Int) {
Bech32(1),
Bech32m(0x2bc830a3),
Beck32WithoutChecksum(0)
}
// char -> 5 bits value
private val map = Array<Int5>(255) { -1 }
init {
for (i in 0..alphabet.lastIndex) {
map[alphabet[i].code] = i.toByte()
}
}
private fun expand(hrp: String): Array<Int5> {
val result = Array<Int5>(hrp.length + 1 + hrp.length) { 0 }
for (i in hrp.indices) {
result[i] = hrp[i].code.shr(5).toByte()
result[hrp.length + 1 + i] = (hrp[i].code and 31).toByte()
}
result[hrp.length] = 0
return result
}
private fun polymod(values: Array<Int5>, values1: Array<Int5>): Int {
val GEN = arrayOf(0x3b6a57b2, 0x26508e6d, 0x1ea119fa, 0x3d4233dd, 0x2a1462b3)
var chk = 1
values.forEach { v ->
val b = chk shr 25
chk = ((chk and 0x1ffffff) shl 5) xor v.toInt()
for (i in 0..5) {
if (((b shr i) and 1) != 0) chk = chk xor GEN[i]
}
}
values1.forEach { v ->
val b = chk shr 25
chk = ((chk and 0x1ffffff) shl 5) xor v.toInt()
for (i in 0..5) {
if (((b shr i) and 1) != 0) chk = chk xor GEN[i]
}
}
return chk
}
/**
* @param hrp human readable prefix
* @param int5s 5-bit data
* @param encoding encoding to use (bech32 or bech32m)
* @return hrp + data encoded as a Bech32 string
*/
@JvmStatic
public fun encode(hrp: String, int5s: Array<Int5>, encoding: Encoding): String {
require(hrp.lowercase() == hrp || hrp.uppercase() == hrp) { "mixed case strings are not valid bech32 prefixes" }
val data = int5s.toByteArray().toTypedArray()
val checksum = when (encoding) {
Encoding.Beck32WithoutChecksum -> arrayOf()
else -> checksum(hrp, data, encoding)
}
return hrp + "1" + (data + checksum).map { i -> alphabet[i.toInt()] }.toCharArray().concatToString()
}
/**
* @param hrp human readable prefix
* @param data data to encode
* @param encoding encoding to use (bech32 or bech32m)
* @return hrp + data encoded as a Bech32 string
*/
@JvmStatic
public fun encodeBytes(hrp: String, data: ByteArray, encoding: Encoding): String = encode(hrp, eight2five(data), encoding)
/**
* decodes a bech32 string
* @param bech32 bech32 string
* @param noChecksum if true, the bech32 string doesn't have a checksum
* @return a (hrp, data, encoding) tuple
*/
@JvmStatic
public fun decode(bech32: String, noChecksum: Boolean = false): Triple<String, Array<Int5>, Encoding> {
require(bech32.lowercase() == bech32 || bech32.uppercase() == bech32) { "mixed case strings are not valid bech32" }
bech32.forEach { require(it.code in 33..126) { "invalid character " } }
val input = bech32.lowercase()
val pos = input.lastIndexOf('1')
val hrp = input.take(pos)
require(hrp.length in 1..83) { "hrp must contain 1 to 83 characters" }
val data = Array<Int5>(input.length - pos - 1) { 0 }
for (i in 0..data.lastIndex) data[i] = map[input[pos + 1 + i].code]
return if (noChecksum) {
Triple(hrp, data, Encoding.Beck32WithoutChecksum)
} else {
val encoding = when (polymod(expand(hrp), data)) {
Encoding.Bech32.constant -> Encoding.Bech32
Encoding.Bech32m.constant -> Encoding.Bech32m
else -> throw IllegalArgumentException("invalid checksum for $bech32")
}
Triple(hrp, data.dropLast(6).toTypedArray(), encoding)
}
}
/**
* decodes a bech32 string
* @param bech32 bech32 string
* @param noChecksum if true, the bech32 string doesn't have a checksum
* @return a (hrp, data, encoding) tuple
*/
@JvmStatic
public fun decodeBytes(bech32: String, noChecksum: Boolean = false): Triple<String, ByteArray, Encoding> {
val (hrp, int5s, encoding) = decode(bech32, noChecksum)
return Triple(hrp, five2eight(int5s, 0), encoding)
}
/**
* @param hrp Human Readable Part
* @param data data (a sequence of 5 bits integers)
* @param encoding encoding to use (bech32 or bech32m)
* @return a checksum computed over hrp and data
*/
private fun checksum(hrp: String, data: Array<Int5>, encoding: Encoding): Array<Int5> {
val values = expand(hrp) + data
val poly = polymod(values, arrayOf(0.toByte(), 0.toByte(), 0.toByte(), 0.toByte(), 0.toByte(), 0.toByte())) xor encoding.constant
return Array(6) { i -> (poly.shr(5 * (5 - i)) and 31).toByte() }
}
/**
* @param input a sequence of 8 bits integers
* @return a sequence of 5 bits integers
*/
@JvmStatic
public fun eight2five(input: ByteArray): Array<Int5> {
var buffer = 0L
val output = ArrayList<Int5>()
var count = 0
input.forEach { b ->
buffer = (buffer shl 8) or (b.toLong() and 0xff)
count += 8
while (count >= 5) {
output.add(((buffer shr (count - 5)) and 31).toByte())
count -= 5
}
}
if (count > 0) output.add(((buffer shl (5 - count)) and 31).toByte())
return output.toTypedArray()
}
/**
* @param input a sequence of 5 bits integers
* @return a sequence of 8 bits integers
*/
@JvmStatic
public fun five2eight(input: Array<Int5>, offset: Int): ByteArray {
var buffer = 0L
val output = ArrayList<Byte>()
var count = 0
for (i in offset..input.lastIndex) {
val b = input[i]
buffer = (buffer shl 5) or (b.toLong() and 31)
count += 5
while (count >= 8) {
output.add(((buffer shr (count - 8)) and 0xff).toByte())
count -= 8
}
}
require(count <= 4) { "Zero-padding of more than 4 bits" }
require((buffer and ((1L shl count) - 1L)) == 0L) { "Non-zero padding in 8-to-5 conversion" }
return output.toByteArray()
}
}
fun ByteArray.toNsec() = Bech32.encodeBytes(hrp = "nsec", this, Bech32.Encoding.Bech32)
fun ByteArray.toNpub() = Bech32.encodeBytes(hrp = "npub", this, Bech32.Encoding.Bech32)
fun ByteArray.toNote() = Bech32.encodeBytes(hrp = "note", this, Bech32.Encoding.Bech32)
fun ByteArray.toNEvent() = Bech32.encodeBytes(hrp = "nevent", this, Bech32.Encoding.Bech32)
fun ByteArray.toNAddress() = Bech32.encodeBytes(hrp = "naddr", this, Bech32.Encoding.Bech32)
fun ByteArray.toLnUrl() = Bech32.encodeBytes(hrp = "lnurl", this, Bech32.Encoding.Bech32)
fun String.bechToBytes(hrp: String? = null): ByteArray {
val decodedForm = Bech32.decodeBytes(this)
hrp?.also {
if (it != decodedForm.first) {
throw IllegalArgumentException("Expected $it but obtained ${decodedForm.first}")
}
}
return decodedForm.second
}
app/src/main/java/com/vitorpamplona/amethyst/service/CachedRichTextParser.kt
+1 -1
View File
@@ -6,7 +6,6 @@ import android.util.Patterns
import androidx.compose.runtime.Immutable
import com.linkedin.urls.detection.UrlDetector
import com.linkedin.urls.detection.UrlDetectorOptions
import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
import com.vitorpamplona.amethyst.ui.components.ZoomableUrlContent
import com.vitorpamplona.amethyst.ui.components.ZoomableUrlImage
import com.vitorpamplona.amethyst.ui.components.ZoomableUrlVideo
@@ -15,6 +14,7 @@ import com.vitorpamplona.amethyst.ui.components.imageExtensions
import com.vitorpamplona.amethyst.ui.components.startsWithNIP19Scheme
import com.vitorpamplona.amethyst.ui.components.tagIndex
import com.vitorpamplona.amethyst.ui.components.videoExtensions
import com.vitorpamplona.quartz.events.ImmutableListOfLists
import kotlinx.collections.immutable.ImmutableList
import kotlinx.collections.immutable.ImmutableMap
import kotlinx.collections.immutable.ImmutableSet
app/src/main/java/com/vitorpamplona/amethyst/service/CashuProcessor.kt
+13 -12
View File
@@ -1,12 +1,11 @@
package com.vitorpamplona.amethyst.service
import androidx.compose.runtime.Immutable
import com.fasterxml.jackson.databind.JsonNode
import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
import com.google.gson.JsonArray
import com.google.gson.JsonObject
import com.google.gson.JsonParser
import com.vitorpamplona.amethyst.service.lnurl.LightningAddressResolver
import com.vitorpamplona.amethyst.ui.components.GenericLoadable
import com.vitorpamplona.quartz.events.Event
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.Request
import okhttp3.RequestBody.Companion.toRequestBody
@@ -19,7 +18,7 @@ data class CashuToken(
val totalAmount: Long,
val fees: Int,
val redeemInvoiceAmount: Long,
val proofs: JsonArray
val proofs: JsonNode
)
class CashuProcessor {
@@ -28,14 +27,14 @@ class CashuProcessor {
try {
val base64token = cashuToken.replace("cashuA", "")
val cashu = JsonParser.parseString(String(Base64.getDecoder().decode(base64token)))
val token = cashu.asJsonObject.get("token").asJsonArray[0].asJsonObject
val proofs = token["proofs"].asJsonArray
val mint = token["mint"].asString
val cashu = jacksonObjectMapper().readTree(String(Base64.getDecoder().decode(base64token)))
val token = cashu.get("token").get(0)
val proofs = token.get("proofs")
val mint = token.get("mint").asText()
var totalAmount = 0L
for (proof in proofs) {
totalAmount += proof.asJsonObject["amount"].asLong
totalAmount += proof.get("amount").asLong()
}
val fees = Math.max(((totalAmount * 0.02).toInt()), 2)
val redeemInvoiceAmount = totalAmount - fees
@@ -69,9 +68,11 @@ class CashuProcessor {
val client = HttpClient.getHttpClient()
val url = token.mint + "/melt" // Melt cashu tokens at Mint
val jsonObject = JsonObject()
jsonObject.add("proofs", token.proofs)
jsonObject.addProperty("pr", invoice)
val factory = Event.mapper.nodeFactory
val jsonObject = factory.objectNode()
jsonObject.put("proofs", token.proofs)
jsonObject.put("pr", invoice)
val mediaType = "application/json; charset=utf-8".toMediaType()
val requestBody = jsonObject.toString().toRequestBody(mediaType)
app/src/main/java/com/vitorpamplona/amethyst/service/CryptoUtils.kt
-152
View File
@@ -1,152 +0,0 @@
package com.vitorpamplona.amethyst.service
import com.goterl.lazysodium.SodiumAndroid
import com.goterl.lazysodium.utils.Key
import fr.acinq.secp256k1.Hex
import fr.acinq.secp256k1.Secp256k1
import java.security.MessageDigest
import java.security.SecureRandom
import java.util.Base64
import javax.crypto.Cipher
import javax.crypto.spec.IvParameterSpec
import javax.crypto.spec.SecretKeySpec
object CryptoUtils {
private val secp256k1 = Secp256k1.get()
private val libSodium = SodiumAndroid()
private val random = SecureRandom()
fun randomInt(bound: Int): Int {
return random.nextInt(bound)
}
/**
* Provides a 32B "private key" aka random number
*/
fun privkeyCreate(): ByteArray {
val bytes = ByteArray(32)
random.nextBytes(bytes)
return bytes
}
fun pubkeyCreate(privKey: ByteArray) =
secp256k1.pubKeyCompress(secp256k1.pubkeyCreate(privKey)).copyOfRange(1, 33)
fun sign(data: ByteArray, privKey: ByteArray): ByteArray =
secp256k1.signSchnorr(data, privKey, null)
fun verifySignature(
signature: ByteArray,
hash: ByteArray,
pubKey: ByteArray
): Boolean {
return secp256k1.verifySchnorr(signature, hash, pubKey)
}
fun sha256(data: ByteArray): ByteArray {
// Creates a new buffer every time
return MessageDigest.getInstance("SHA-256").digest(data)
}
/**
* @return 32B shared secret
*/
fun getSharedSecretNIP04(privateKey: ByteArray, pubKey: ByteArray): ByteArray =
secp256k1.pubKeyTweakMul(Hex.decode("02") + pubKey, privateKey).copyOfRange(1, 33)
fun encryptNIP04(msg: String, privateKey: ByteArray, pubKey: ByteArray): String {
val encryptionInfo = encryptNIP04(msg, getSharedSecretNIP04(privateKey, pubKey))
return "${encryptionInfo.ciphertext}?iv=${encryptionInfo.nonce}"
}
fun encryptNIP04Json(msg: String, privateKey: ByteArray, pubKey: ByteArray): EncryptedInfo {
return encryptNIP04(msg, getSharedSecretNIP04(privateKey, pubKey))
}
fun encryptNIP04(msg: String, sharedSecret: ByteArray): EncryptedInfo {
val iv = ByteArray(16)
random.nextBytes(iv)
val cipher = Cipher.getInstance("AES/CBC/PKCS5Padding")
cipher.init(Cipher.ENCRYPT_MODE, SecretKeySpec(sharedSecret, "AES"), IvParameterSpec(iv))
val ivBase64 = Base64.getEncoder().encodeToString(iv)
val encryptedMsg = cipher.doFinal(msg.toByteArray())
val encryptedMsgBase64 = Base64.getEncoder().encodeToString(encryptedMsg)
return EncryptedInfo(encryptedMsgBase64, ivBase64, Nip44Version.NIP04.versionCode)
}
fun decryptNIP04(msg: String, privateKey: ByteArray, pubKey: ByteArray): String {
val sharedSecret = getSharedSecretNIP04(privateKey, pubKey)
return decryptNIP04(msg, sharedSecret)
}
fun decryptNIP04(encryptedInfo: EncryptedInfo, privateKey: ByteArray, pubKey: ByteArray): String {
val sharedSecret = getSharedSecretNIP04(privateKey, pubKey)
return decryptNIP04(encryptedInfo.ciphertext, encryptedInfo.nonce, sharedSecret)
}
fun decryptNIP04(msg: String, sharedSecret: ByteArray): String {
val parts = msg.split("?iv=")
return decryptNIP04(parts[0], parts[1], sharedSecret)
}
private fun decryptNIP04(cipher: String, nonce: String, sharedSecret: ByteArray): String {
val iv = Base64.getDecoder().decode(nonce)
val encryptedMsg = Base64.getDecoder().decode(cipher)
val cipher = Cipher.getInstance("AES/CBC/PKCS5Padding")
cipher.init(Cipher.DECRYPT_MODE, SecretKeySpec(sharedSecret, "AES"), IvParameterSpec(iv))
return String(cipher.doFinal(encryptedMsg))
}
fun encryptNIP24(msg: String, privateKey: ByteArray, pubKey: ByteArray): EncryptedInfo {
val sharedSecret = getSharedSecretNIP24(privateKey, pubKey)
return encryptNIP24(msg, sharedSecret)
}
fun encryptNIP24(msg: String, sharedSecret: ByteArray): EncryptedInfo {
val nonce = ByteArray(24)
random.nextBytes(nonce)
val cipher = cryptoStreamXChaCha20Xor(
libSodium = libSodium,
messageBytes = msg.toByteArray(),
nonce = nonce,
key = Key.fromBytes(sharedSecret)
)
val cipherBase64 = Base64.getEncoder().encodeToString(cipher)
val nonceBase64 = Base64.getEncoder().encodeToString(nonce)
return EncryptedInfo(
ciphertext = cipherBase64,
nonce = nonceBase64,
v = Nip44Version.NIP24.versionCode
)
}
fun decryptNIP24(encryptedInfo: EncryptedInfo, privateKey: ByteArray, pubKey: ByteArray): String? {
val sharedSecret = getSharedSecretNIP24(privateKey, pubKey)
return decryptNIP24(encryptedInfo, sharedSecret)
}
fun decryptNIP24(encryptedInfo: EncryptedInfo, sharedSecret: ByteArray): String? {
return cryptoStreamXChaCha20Xor(
libSodium = libSodium,
messageBytes = Base64.getDecoder().decode(encryptedInfo.ciphertext),
nonce = Base64.getDecoder().decode(encryptedInfo.nonce),
key = Key.fromBytes(sharedSecret)
)?.decodeToString()
}
/**
* @return 32B shared secret
*/
fun getSharedSecretNIP24(privateKey: ByteArray, pubKey: ByteArray): ByteArray =
sha256(secp256k1.pubKeyTweakMul(Hex.decode("02") + pubKey, privateKey).copyOfRange(1, 33))
}
data class EncryptedInfo(val ciphertext: String, val nonce: String, val v: Int)
enum class Nip44Version(val versionCode: Int) {
NIP04(0),
NIP24(1)
}
app/src/main/java/com/vitorpamplona/amethyst/service/FileHeader.kt
+2 -1
View File
@@ -3,8 +3,9 @@ package com.vitorpamplona.amethyst.service
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.util.Log
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.ui.actions.ImageDownloader
import com.vitorpamplona.quartz.crypto.CryptoUtils
import com.vitorpamplona.quartz.encoders.toHexKey
import io.trbl.blurhash.BlurHash
import kotlin.math.roundToInt
app/src/main/java/com/vitorpamplona/amethyst/service/HexValidator.kt
-23
View File
@@ -1,23 +0,0 @@
package com.vitorpamplona.amethyst.service
object HexValidator {
private fun isHex2(c: Char): Boolean {
return when (c) {
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'A', 'B', 'C', 'D', 'E', 'F', ' ' -> true
else -> false
}
}
fun isHex(hex: String?): Boolean {
if (hex == null) return false
var isHex = true
for (c in hex.toCharArray()) {
if (!isHex2(c)) {
isHex = false
break
}
}
return isHex
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/KeyPair.kt
-34
View File
@@ -1,34 +0,0 @@
package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.model.toHexKey
class KeyPair(
privKey: ByteArray? = null,
pubKey: ByteArray? = null
) {
val privKey: ByteArray?
val pubKey: ByteArray
init {
if (privKey == null) {
if (pubKey == null) {
// create new, random keys
this.privKey = CryptoUtils.privkeyCreate()
this.pubKey = CryptoUtils.pubkeyCreate(this.privKey)
} else {
// this is a read-only account
check(pubKey.size == 32)
this.privKey = null
this.pubKey = pubKey
}
} else {
// as private key is provided, ignore the public key and set keys according to private key
this.privKey = privKey
this.pubKey = CryptoUtils.pubkeyCreate(privKey)
}
}
override fun toString(): String {
return "KeyPair(privateKey=${privKey?.toHexKey()}, publicKey=${pubKey.toHexKey()}"
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/Nip47.kt
+2 -2
View File
@@ -2,8 +2,8 @@ package com.vitorpamplona.amethyst.ui.note
import android.net.Uri
import com.vitorpamplona.amethyst.model.Nip47URI
import com.vitorpamplona.amethyst.model.decodePublicKey
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.quartz.encoders.decodePublicKey
import com.vitorpamplona.quartz.encoders.toHexKey
// Rename to the corect nip number when ready.
object Nip47 {
app/src/main/java/com/vitorpamplona/amethyst/service/NostrAccountDataSource.kt
+12 -12
View File
@@ -2,24 +2,24 @@ package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.model.Account
import com.vitorpamplona.amethyst.model.LocalCache
import com.vitorpamplona.amethyst.service.model.*
import com.vitorpamplona.amethyst.service.model.BadgeAwardEvent
import com.vitorpamplona.amethyst.service.model.BadgeProfilesEvent
import com.vitorpamplona.amethyst.service.model.BookmarkListEvent
import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
import com.vitorpamplona.amethyst.service.model.ContactListEvent
import com.vitorpamplona.amethyst.service.model.LnZapEvent
import com.vitorpamplona.amethyst.service.model.MetadataEvent
import com.vitorpamplona.amethyst.service.model.ReactionEvent
import com.vitorpamplona.amethyst.service.model.ReportEvent
import com.vitorpamplona.amethyst.service.model.RepostEvent
import com.vitorpamplona.amethyst.service.model.TextNoteEvent
import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
import com.vitorpamplona.amethyst.service.relays.Client
import com.vitorpamplona.amethyst.service.relays.EOSEAccount
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.Relay
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.*
import com.vitorpamplona.quartz.events.BadgeAwardEvent
import com.vitorpamplona.quartz.events.BadgeProfilesEvent
import com.vitorpamplona.quartz.events.BookmarkListEvent
import com.vitorpamplona.quartz.events.ChannelMessageEvent
import com.vitorpamplona.quartz.events.ContactListEvent
import com.vitorpamplona.quartz.events.LnZapEvent
import com.vitorpamplona.quartz.events.MetadataEvent
import com.vitorpamplona.quartz.events.ReactionEvent
import com.vitorpamplona.quartz.events.ReportEvent
import com.vitorpamplona.quartz.events.RepostEvent
import com.vitorpamplona.quartz.events.TextNoteEvent
object NostrAccountDataSource : NostrDataSource("AccountData") {
lateinit var account: Account
app/src/main/java/com/vitorpamplona/amethyst/service/NostrChannelDataSource.kt
+2 -2
View File
@@ -4,11 +4,11 @@ import com.vitorpamplona.amethyst.model.Account
import com.vitorpamplona.amethyst.model.Channel
import com.vitorpamplona.amethyst.model.LiveActivitiesChannel
import com.vitorpamplona.amethyst.model.PublicChatChannel
import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
import com.vitorpamplona.amethyst.service.model.LiveActivitiesChatMessageEvent
import com.vitorpamplona.amethyst.service.relays.FeedType
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.ChannelMessageEvent
import com.vitorpamplona.quartz.events.LiveActivitiesChatMessageEvent
object NostrChannelDataSource : NostrDataSource("ChatroomFeed") {
var account: Account? = null
app/src/main/java/com/vitorpamplona/amethyst/service/NostrChatroomDataSource.kt
+2 -2
View File
@@ -1,12 +1,12 @@
package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.model.Account
import com.vitorpamplona.amethyst.model.ChatroomKey
import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
import com.vitorpamplona.amethyst.service.relays.EOSEAccount
import com.vitorpamplona.amethyst.service.relays.FeedType
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.ChatroomKey
import com.vitorpamplona.quartz.events.PrivateDmEvent
object NostrChatroomDataSource : NostrDataSource("ChatroomFeed") {
lateinit var account: Account
app/src/main/java/com/vitorpamplona/amethyst/service/NostrChatroomListDataSource.kt
+4 -4
View File
@@ -1,15 +1,15 @@
package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.model.Account
import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
import com.vitorpamplona.amethyst.service.model.ChannelMetadataEvent
import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
import com.vitorpamplona.amethyst.service.relays.EOSEAccount
import com.vitorpamplona.amethyst.service.relays.FeedType
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.ChannelCreateEvent
import com.vitorpamplona.quartz.events.ChannelMessageEvent
import com.vitorpamplona.quartz.events.ChannelMetadataEvent
import com.vitorpamplona.quartz.events.PrivateDmEvent
object NostrChatroomListDataSource : NostrDataSource("MailBoxFeed") {
lateinit var account: Account
app/src/main/java/com/vitorpamplona/amethyst/service/NostrCommunityDataSource.kt
+2 -2
View File
@@ -1,11 +1,11 @@
package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.model.AddressableNote
import com.vitorpamplona.amethyst.service.model.CommunityDefinitionEvent
import com.vitorpamplona.amethyst.service.model.CommunityPostApprovalEvent
import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.CommunityDefinitionEvent
import com.vitorpamplona.quartz.events.CommunityPostApprovalEvent
object NostrCommunityDataSource : NostrDataSource("SingleCommunityFeed") {
private var communityToWatch: AddressableNote? = null
app/src/main/java/com/vitorpamplona/amethyst/service/NostrDataSource.kt
+2 -3
View File
@@ -2,13 +2,12 @@ package com.vitorpamplona.amethyst.service
import android.util.Log
import com.vitorpamplona.amethyst.model.LocalCache
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.service.model.*
import com.vitorpamplona.amethyst.service.model.Event
import com.vitorpamplona.amethyst.service.relays.Client
import com.vitorpamplona.amethyst.service.relays.Relay
import com.vitorpamplona.amethyst.service.relays.Subscription
import com.vitorpamplona.amethyst.ui.components.BundledUpdate
import com.vitorpamplona.quartz.events.Event
import com.vitorpamplona.quartz.utils.TimeUtils
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.Job
app/src/main/java/com/vitorpamplona/amethyst/service/NostrDiscoveryDataSource.kt
+7 -7
View File
@@ -1,17 +1,17 @@
package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.model.Account
import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
import com.vitorpamplona.amethyst.service.model.ChannelMetadataEvent
import com.vitorpamplona.amethyst.service.model.CommunityDefinitionEvent
import com.vitorpamplona.amethyst.service.model.CommunityPostApprovalEvent
import com.vitorpamplona.amethyst.service.model.LiveActivitiesChatMessageEvent
import com.vitorpamplona.amethyst.service.model.LiveActivitiesEvent
import com.vitorpamplona.amethyst.service.relays.EOSEAccount
import com.vitorpamplona.amethyst.service.relays.FeedType
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.ChannelCreateEvent
import com.vitorpamplona.quartz.events.ChannelMessageEvent
import com.vitorpamplona.quartz.events.ChannelMetadataEvent
import com.vitorpamplona.quartz.events.CommunityDefinitionEvent
import com.vitorpamplona.quartz.events.CommunityPostApprovalEvent
import com.vitorpamplona.quartz.events.LiveActivitiesChatMessageEvent
import com.vitorpamplona.quartz.events.LiveActivitiesEvent
object NostrDiscoveryDataSource : NostrDataSource("DiscoveryFeed") {
lateinit var account: Account
app/src/main/java/com/vitorpamplona/amethyst/service/NostrGeohashDataSource.kt
+8 -8
View File
@@ -1,16 +1,16 @@
package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.service.model.AudioTrackEvent
import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
import com.vitorpamplona.amethyst.service.model.ClassifiedsEvent
import com.vitorpamplona.amethyst.service.model.HighlightEvent
import com.vitorpamplona.amethyst.service.model.LiveActivitiesChatMessageEvent
import com.vitorpamplona.amethyst.service.model.LongTextNoteEvent
import com.vitorpamplona.amethyst.service.model.PollNoteEvent
import com.vitorpamplona.amethyst.service.model.TextNoteEvent
import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.AudioTrackEvent
import com.vitorpamplona.quartz.events.ChannelMessageEvent
import com.vitorpamplona.quartz.events.ClassifiedsEvent
import com.vitorpamplona.quartz.events.HighlightEvent
import com.vitorpamplona.quartz.events.LiveActivitiesChatMessageEvent
import com.vitorpamplona.quartz.events.LongTextNoteEvent
import com.vitorpamplona.quartz.events.PollNoteEvent
import com.vitorpamplona.quartz.events.TextNoteEvent
object NostrGeohashDataSource : NostrDataSource("SingleGeoHashFeed") {
private var geohashToWatch: String? = null
app/src/main/java/com/vitorpamplona/amethyst/service/NostrHashtagDataSource.kt
+8 -9
View File
@@ -1,17 +1,16 @@
package com.vitorpamplona.amethyst.service
import androidx.compose.ui.text.capitalize
import com.vitorpamplona.amethyst.service.model.AudioTrackEvent
import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
import com.vitorpamplona.amethyst.service.model.ClassifiedsEvent
import com.vitorpamplona.amethyst.service.model.HighlightEvent
import com.vitorpamplona.amethyst.service.model.LiveActivitiesChatMessageEvent
import com.vitorpamplona.amethyst.service.model.LongTextNoteEvent
import com.vitorpamplona.amethyst.service.model.PollNoteEvent
import com.vitorpamplona.amethyst.service.model.TextNoteEvent
import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.AudioTrackEvent
import com.vitorpamplona.quartz.events.ChannelMessageEvent
import com.vitorpamplona.quartz.events.ClassifiedsEvent
import com.vitorpamplona.quartz.events.HighlightEvent
import com.vitorpamplona.quartz.events.LiveActivitiesChatMessageEvent
import com.vitorpamplona.quartz.events.LongTextNoteEvent
import com.vitorpamplona.quartz.events.PollNoteEvent
import com.vitorpamplona.quartz.events.TextNoteEvent
object NostrHashtagDataSource : NostrDataSource("SingleHashtagFeed") {
private var hashtagToWatch: String? = null
app/src/main/java/com/vitorpamplona/amethyst/service/NostrHomeDataSource.kt
+12 -12
View File
@@ -2,22 +2,22 @@ package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.model.Account
import com.vitorpamplona.amethyst.model.UserState
import com.vitorpamplona.amethyst.service.model.AudioTrackEvent
import com.vitorpamplona.amethyst.service.model.ClassifiedsEvent
import com.vitorpamplona.amethyst.service.model.CommunityPostApprovalEvent
import com.vitorpamplona.amethyst.service.model.GenericRepostEvent
import com.vitorpamplona.amethyst.service.model.HighlightEvent
import com.vitorpamplona.amethyst.service.model.LiveActivitiesChatMessageEvent
import com.vitorpamplona.amethyst.service.model.LiveActivitiesEvent
import com.vitorpamplona.amethyst.service.model.LongTextNoteEvent
import com.vitorpamplona.amethyst.service.model.PinListEvent
import com.vitorpamplona.amethyst.service.model.PollNoteEvent
import com.vitorpamplona.amethyst.service.model.RepostEvent
import com.vitorpamplona.amethyst.service.model.TextNoteEvent
import com.vitorpamplona.amethyst.service.relays.EOSEAccount
import com.vitorpamplona.amethyst.service.relays.FeedType
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.AudioTrackEvent
import com.vitorpamplona.quartz.events.ClassifiedsEvent
import com.vitorpamplona.quartz.events.CommunityPostApprovalEvent
import com.vitorpamplona.quartz.events.GenericRepostEvent
import com.vitorpamplona.quartz.events.HighlightEvent
import com.vitorpamplona.quartz.events.LiveActivitiesChatMessageEvent
import com.vitorpamplona.quartz.events.LiveActivitiesEvent
import com.vitorpamplona.quartz.events.LongTextNoteEvent
import com.vitorpamplona.quartz.events.PinListEvent
import com.vitorpamplona.quartz.events.PollNoteEvent
import com.vitorpamplona.quartz.events.RepostEvent
import com.vitorpamplona.quartz.events.TextNoteEvent
import kotlinx.coroutines.DelicateCoroutinesApi
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.GlobalScope
app/src/main/java/com/vitorpamplona/amethyst/service/NostrLnZapPaymentResponseDataSource.kt
+2 -2
View File
@@ -1,12 +1,12 @@
package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.service.model.LnZapPaymentResponseEvent
import com.vitorpamplona.amethyst.service.model.RelayAuthEvent
import com.vitorpamplona.amethyst.service.relays.Client
import com.vitorpamplona.amethyst.service.relays.FeedType
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.Relay
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.LnZapPaymentResponseEvent
import com.vitorpamplona.quartz.events.RelayAuthEvent
class NostrLnZapPaymentResponseDataSource(
private val fromServiceHex: String,
app/src/main/java/com/vitorpamplona/amethyst/service/NostrSearchEventOrUserDataSource.kt
+4 -4
View File
@@ -1,13 +1,13 @@
package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.model.*
import com.vitorpamplona.amethyst.service.nip19.Nip19
import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
import com.vitorpamplona.amethyst.service.relays.FeedType
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import fr.acinq.secp256k1.Hex
import com.vitorpamplona.quartz.encoders.Hex
import com.vitorpamplona.quartz.encoders.Nip19
import com.vitorpamplona.quartz.encoders.toHexKey
import com.vitorpamplona.quartz.events.*
object NostrSearchEventOrUserDataSource : NostrDataSource("SearchEventFeed") {
private var searchString: String? = null
app/src/main/java/com/vitorpamplona/amethyst/service/NostrSingleChannelDataSource.kt
+2 -2
View File
@@ -3,12 +3,12 @@ package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.model.LiveActivitiesChannel
import com.vitorpamplona.amethyst.model.LocalCache
import com.vitorpamplona.amethyst.model.PublicChatChannel
import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
import com.vitorpamplona.amethyst.service.model.ChannelMetadataEvent
import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
import com.vitorpamplona.amethyst.service.relays.FeedType
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.ChannelCreateEvent
import com.vitorpamplona.quartz.events.ChannelMetadataEvent
object NostrSingleChannelDataSource : NostrDataSource("SingleChannelFeed") {
private var channelsToWatch = setOf<String>()
app/src/main/java/com/vitorpamplona/amethyst/service/NostrSingleEventDataSource.kt
+1 -1
View File
@@ -2,11 +2,11 @@ package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.model.AddressableNote
import com.vitorpamplona.amethyst.model.Note
import com.vitorpamplona.amethyst.service.model.*
import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
import com.vitorpamplona.amethyst.service.relays.EOSETime
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.*
object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
private var eventsToWatch = setOf<Note>()
app/src/main/java/com/vitorpamplona/amethyst/service/NostrSingleUserDataSource.kt
+2 -2
View File
@@ -1,12 +1,12 @@
package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.model.User
import com.vitorpamplona.amethyst.service.model.MetadataEvent
import com.vitorpamplona.amethyst.service.model.ReportEvent
import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
import com.vitorpamplona.amethyst.service.relays.EOSETime
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.MetadataEvent
import com.vitorpamplona.quartz.events.ReportEvent
object NostrSingleUserDataSource : NostrDataSource("SingleUserFeed") {
var usersToWatch = setOf<User>()
app/src/main/java/com/vitorpamplona/amethyst/service/NostrUserProfileDataSource.kt
+1 -1
View File
@@ -1,10 +1,10 @@
package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.model.User
import com.vitorpamplona.amethyst.service.model.*
import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.*
object NostrUserProfileDataSource : NostrDataSource("UserProfileFeed") {
var user: User? = null
app/src/main/java/com/vitorpamplona/amethyst/service/NostrVideoDataSource.kt
+2 -2
View File
@@ -1,12 +1,12 @@
package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.model.Account
import com.vitorpamplona.amethyst.service.model.FileHeaderEvent
import com.vitorpamplona.amethyst.service.model.FileStorageHeaderEvent
import com.vitorpamplona.amethyst.service.relays.EOSEAccount
import com.vitorpamplona.amethyst.service.relays.FeedType
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.FileHeaderEvent
import com.vitorpamplona.quartz.events.FileStorageHeaderEvent
object NostrVideoDataSource : NostrDataSource("VideoFeed") {
lateinit var account: Account
app/src/main/java/com/vitorpamplona/amethyst/service/SodiumUtils.kt
-85
View File
@@ -1,85 +0,0 @@
package com.vitorpamplona.amethyst.service
import com.goterl.lazysodium.SodiumAndroid
import com.goterl.lazysodium.utils.Key
/**
* I initially extended these methods from the Sodium and SodiumAndroid classes
* But JNI doesn't like it. There is some native method overriding bug
* when using Kotlin extensions
**/
fun /*Sodium.*/crypto_stream_xchacha20_xor_ic(
libSodium: SodiumAndroid,
cipher: ByteArray,
message: ByteArray,
messageLen: Long,
nonce: ByteArray,
ic: Long,
key: ByteArray
): Int {
/**
* C++ Code:
*
* unsigned char k2[crypto_core_hchacha20_OUTPUTBYTES];
* crypto_core_hchacha20(k2, n, k, NULL);
* return crypto_stream_chacha20_xor_ic(
* c, m, mlen, n + crypto_core_hchacha20_INPUTBYTES, ic, k2);
*/
val k2 = ByteArray(32)
val nonceChaCha = nonce.drop(16).toByteArray()
assert(nonceChaCha.size == 8)
libSodium.crypto_core_hchacha20(k2, nonce, key, null)
return libSodium.crypto_stream_chacha20_xor_ic(
cipher,
message,
messageLen,
nonceChaCha,
ic,
k2
)
}
fun /*Sodium.*/crypto_stream_xchacha20_xor(
libSodium: SodiumAndroid,
cipher: ByteArray,
message: ByteArray,
messageLen: Long,
nonce: ByteArray,
key: ByteArray
): Int {
return crypto_stream_xchacha20_xor_ic(libSodium, cipher, message, messageLen, nonce, 0, key)
}
fun /*SodiumAndroid.*/cryptoStreamXChaCha20Xor(
libSodium: SodiumAndroid,
cipher: ByteArray,
message: ByteArray,
messageLen: Long,
nonce: ByteArray,
key: ByteArray
): Boolean {
require(!(messageLen < 0 || messageLen > message.size)) { "messageLen out of bounds: $messageLen" }
return crypto_stream_xchacha20_xor(
libSodium,
cipher,
message,
messageLen,
nonce,
key
) == 0
}
fun /*SodiumAndroid.*/cryptoStreamXChaCha20Xor(
libSodium: SodiumAndroid,
messageBytes: ByteArray,
nonce: ByteArray,
key: Key
): ByteArray? {
val mLen = messageBytes.size
val cipher = ByteArray(mLen)
val sucessful = cryptoStreamXChaCha20Xor(libSodium, cipher, messageBytes, mLen.toLong(), nonce, key.asBytes)
return if (sucessful) cipher else null
}
app/src/main/java/com/vitorpamplona/amethyst/service/StringUtils.kt
+1 -1
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@@ -1,6 +1,6 @@
package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
import com.vitorpamplona.quartz.events.ImmutableListOfLists
fun String.isUTF16Char(pos: Int): Boolean {
return Character.charCount(this.codePointAt(pos)) == 2
app/src/main/java/com/vitorpamplona/amethyst/service/lnurl/LightningAddressResolver.kt
+3 -2
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@@ -2,10 +2,11 @@ package com.vitorpamplona.amethyst.service.lnurl
import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
import com.vitorpamplona.amethyst.BuildConfig
import com.vitorpamplona.amethyst.service.Bech32
import com.vitorpamplona.amethyst.service.HttpClient
import com.vitorpamplona.amethyst.service.checkNotInMainThread
import com.vitorpamplona.amethyst.service.toLnUrl
import com.vitorpamplona.quartz.encoders.Bech32
import com.vitorpamplona.quartz.encoders.LnInvoiceUtil
import com.vitorpamplona.quartz.encoders.toLnUrl
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.Job
app/src/main/java/com/vitorpamplona/amethyst/service/lnurl/LnInvoiceUtil.kt
-176
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@@ -1,176 +0,0 @@
package com.vitorpamplona.amethyst.service.lnurl
import com.vitorpamplona.amethyst.service.checkNotInMainThread
import java.math.BigDecimal
import java.util.Locale
import java.util.regex.Pattern
/** based on litecoinj */
object LnInvoiceUtil {
private val invoicePattern = Pattern.compile("lnbc((?<amount>\\d+)(?<multiplier>[munp])?)?1[^1\\s]+", Pattern.CASE_INSENSITIVE)
/** The Bech32 character set for encoding. */
private const val CHARSET = "qpzry9x8gf2tvdw0s3jn54khce6mua7l"
/** The Bech32 character set for decoding. */
private val CHARSET_REV = byteArrayOf(
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
15, -1, 10, 17, 21, 20, 26, 30, 7, 5, -1, -1, -1, -1, -1, -1,
-1, 29, -1, 24, 13, 25, 9, 8, 23, -1, 18, 22, 31, 27, 19, -1,
1, 0, 3, 16, 11, 28, 12, 14, 6, 4, 2, -1, -1, -1, -1, -1,
-1, 29, -1, 24, 13, 25, 9, 8, 23, -1, 18, 22, 31, 27, 19, -1,
1, 0, 3, 16, 11, 28, 12, 14, 6, 4, 2, -1, -1, -1, -1, -1
)
/** Find the polynomial with value coefficients mod the generator as 30-bit. */
private fun polymod(values: ByteArray): Int {
var c = 1
for (v_i in values) {
val c0 = c ushr 25 and 0xff
c = c and 0x1ffffff shl 5 xor (v_i.toInt() and 0xff)
if (c0 and 1 != 0) c = c xor 0x3b6a57b2
if (c0 and 2 != 0) c = c xor 0x26508e6d
if (c0 and 4 != 0) c = c xor 0x1ea119fa
if (c0 and 8 != 0) c = c xor 0x3d4233dd
if (c0 and 16 != 0) c = c xor 0x2a1462b3
}
return c
}
/** Expand a HRP for use in checksum computation. */
private fun expandHrp(hrp: String): ByteArray {
val hrpLength = hrp.length
val ret = ByteArray(hrpLength * 2 + 1)
for (i in 0 until hrpLength) {
val c = hrp[i].code and 0x7f // Limit to standard 7-bit ASCII
ret[i] = (c ushr 5 and 0x07).toByte()
ret[i + hrpLength + 1] = (c and 0x1f).toByte()
}
ret[hrpLength] = 0
return ret
}
/** Verify a checksum. */
private fun verifyChecksum(hrp: String, values: ByteArray): Boolean {
val hrpExpanded: ByteArray = expandHrp(hrp)
val combined = ByteArray(hrpExpanded.size + values.size)
System.arraycopy(hrpExpanded, 0, combined, 0, hrpExpanded.size)
System.arraycopy(values, 0, combined, hrpExpanded.size, values.size)
return polymod(combined) == 1
}
class AddressFormatException(message: String) : Exception(message)
fun decodeUnlimitedLength(invoice: String): Boolean {
var lower = false
var upper = false
for (i in 0 until invoice.length) {
val c = invoice[i]
if (c.code < 33 || c.code > 126) throw AddressFormatException("Invalid character: $c, pos: $i")
if (c in 'a'..'z') {
if (upper) throw AddressFormatException("Invalid character: $c, pos: $i")
lower = true
}
if (c in 'A'..'Z') {
if (lower) throw AddressFormatException("Invalid character: $c, pos: $i")
upper = true
}
}
val pos = invoice.lastIndexOf('1')
if (pos < 1) throw AddressFormatException("Missing human-readable part")
val dataPartLength = invoice.length - 1 - pos
if (dataPartLength < 6) throw AddressFormatException("Data part too short: $dataPartLength")
val values = ByteArray(dataPartLength)
for (i in 0 until dataPartLength) {
val c = invoice[i + pos + 1]
if (CHARSET_REV.get(c.code).toInt() == -1) throw AddressFormatException("Invalid character: " + c + ", pos: " + (i + pos + 1))
values[i] = CHARSET_REV.get(c.code)
}
val hrp = invoice.substring(0, pos).lowercase(Locale.ROOT)
if (!verifyChecksum(hrp, values)) throw AddressFormatException("Invalid Checksum")
return true
}
/**
* Parses invoice amount according to
* https://github.com/lightningnetwork/lightning-rfc/blob/master/11-payment-encoding.md#human-readable-part
* @return invoice amount in bitcoins, zero if the invoice has no amount
* @throws RuntimeException if invoice format is incorrect
*/
private fun getAmount(invoice: String): BigDecimal {
try {
decodeUnlimitedLength(invoice) // checksum must match
} catch (e: AddressFormatException) {
throw IllegalArgumentException("Cannot decode invoice: $invoice", e)
}
val matcher = invoicePattern.matcher(invoice)
require(matcher.matches()) { "Failed to match HRP pattern" }
val amountGroup = matcher.group("amount")
val multiplierGroup = matcher.group("multiplier")
if (amountGroup == null) {
return BigDecimal.ZERO
}
val amount = BigDecimal(amountGroup)
if (multiplierGroup == null) {
return amount
}
require(!(multiplierGroup == "p" && amountGroup[amountGroup.length - 1] != '0')) { "sub-millisatoshi amount" }
return amount.multiply(multiplier(multiplierGroup))
}
fun getAmountInSats(invoice: String): BigDecimal {
checkNotInMainThread()
return getAmount(invoice).multiply(BigDecimal(100000000))
}
private fun multiplier(multiplier: String): BigDecimal {
return when (multiplier.lowercase()) {
"m" -> BigDecimal("0.001")
"u" -> BigDecimal("0.000001")
"n" -> BigDecimal("0.000000001")
"p" -> BigDecimal("0.000000000001")
else -> throw IllegalArgumentException("Invalid multiplier: $multiplier")
}
}
/**
* Finds LN invoice in the provided input string and returns it.
* For example for input = "aaa bbb lnbc1xxx ccc" it will return "lnbc1xxx"
* It will only return the first invoice found in the input.
*
* @return the invoice if it was found. null for null input or if no invoice is found
*/
fun findInvoice(input: String?): String? {
if (input == null) {
return null
}
val matcher = invoicePattern.matcher(input)
return if (matcher.find()) {
matcher.group()
} else {
null
}
}
/**
* If the string contains an LN invoice, returns a Pair of the start and end
* positions of the invoice in the string. Otherwise, returns (0, 0). This is
* used to ensure we don't accidentally cut an invoice in the middle when taking
* only a portion of the available text.
*/
fun locateInvoice(input: String?): Pair<Int, Int> {
if (input == null) {
return Pair(0, 0)
}
val matcher = invoicePattern.matcher(input)
return if (matcher.find()) {
Pair(matcher.start(), matcher.end())
} else {
Pair(0, 0)
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/lnurl/LnWithdrawalUtil.kt
-29
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@@ -1,29 +0,0 @@
package com.vitorpamplona.amethyst.service.lnurl
import java.util.regex.Pattern
object LnWithdrawalUtil {
private val withdrawalPattern = Pattern.compile(
"lnurl.+",
Pattern.CASE_INSENSITIVE
)
/**
* Finds LN withdrawal in the provided input string and returns it.
* For example for input = "aaa bbb lnbc1xxx ccc" it will return "lnbc1xxx"
* It will only return the first withdrawal found in the input.
*
* @return the invoice if it was found. null for null input or if no invoice is found
*/
fun findWithdrawal(input: String?): String? {
if (input == null) {
return null
}
val matcher = withdrawalPattern.matcher(input)
return if (matcher.find()) {
matcher.group()
} else {
null
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/ATag.kt
-72
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@@ -1,72 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.service.bechToBytes
import com.vitorpamplona.amethyst.service.nip19.Tlv
import com.vitorpamplona.amethyst.service.nip19.TlvBuilder
import com.vitorpamplona.amethyst.service.toNAddress
import fr.acinq.secp256k1.Hex
@Immutable
data class ATag(val kind: Int, val pubKeyHex: String, val dTag: String, val relay: String?) {
fun toTag() = "$kind:$pubKeyHex:$dTag"
fun toNAddr(): String {
return TlvBuilder().apply {
addString(Tlv.Type.SPECIAL, dTag)
addStringIfNotNull(Tlv.Type.RELAY, relay)
addHex(Tlv.Type.AUTHOR, pubKeyHex)
addInt(Tlv.Type.KIND, kind)
}.build().toNAddress()
}
companion object {
fun isATag(key: String): Boolean {
return key.startsWith("naddr1") || key.contains(":")
}
fun parse(address: String, relay: String?): ATag? {
return if (address.startsWith("naddr") || address.startsWith("nostr:naddr")) {
parseNAddr(address)
} else {
parseAtag(address, relay)
}
}
fun parseAtag(atag: String, relay: String?): ATag? {
return try {
val parts = atag.split(":")
Hex.decode(parts[1])
ATag(parts[0].toInt(), parts[1], parts[2], relay)
} catch (t: Throwable) {
Log.w("ATag", "Error parsing A Tag: $atag: ${t.message}")
null
}
}
fun parseNAddr(naddr: String): ATag? {
try {
val key = naddr.removePrefix("nostr:")
if (key.startsWith("naddr")) {
val tlv = Tlv.parse(key.bechToBytes())
val d = tlv.firstAsString(Tlv.Type.SPECIAL) ?: ""
val relay = tlv.firstAsString(Tlv.Type.RELAY)
val author = tlv.firstAsHex(Tlv.Type.AUTHOR)
val kind = tlv.firstAsInt(Tlv.Type.KIND)
if (kind != null && author != null) {
return ATag(kind, author, d, relay)
}
}
} catch (e: Throwable) {
Log.w("ATag", "Issue trying to Decode NIP19 $this: ${e.message}")
// e.printStackTrace()
}
return null
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/AdvertisedRelayListEvent.kt
-70
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@@ -1,70 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class AdvertisedRelayListEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
override fun dTag() = fixedDTag
override fun address() = ATag(kind, pubKey, dTag(), null)
fun relays(): List<AdvertisedRelayInfo> {
return tags.mapNotNull {
if (it.size > 1 && it[0] == "r") {
val type = when (it.getOrNull(2)) {
"read" -> AdvertisedRelayType.READ
"write" -> AdvertisedRelayType.WRITE
else -> AdvertisedRelayType.BOTH
}
AdvertisedRelayInfo(it[1], type)
} else {
null
}
}
}
companion object {
const val kind = 10002
const val fixedDTag = ""
fun create(
list: List<AdvertisedRelayInfo>,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): AdvertisedRelayListEvent {
val tags = list.map {
if (it.type == AdvertisedRelayType.BOTH) {
listOf(it.relayUrl)
} else {
listOf(it.relayUrl, it.type.code)
}
}
val msg = ""
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = generateId(pubKey, createdAt, kind, tags, msg)
val sig = CryptoUtils.sign(id, privateKey)
return AdvertisedRelayListEvent(id.toHexKey(), pubKey, createdAt, tags, msg, sig.toHexKey())
}
}
@Immutable
data class AdvertisedRelayInfo(val relayUrl: String, val type: AdvertisedRelayType)
@Immutable
enum class AdvertisedRelayType(val code: String) {
BOTH(""),
READ("read"),
WRITE("write")
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/AppDefinitionEvent.kt
-41
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@@ -1,41 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.UserMetadata
import java.io.ByteArrayInputStream
@Immutable
class AppDefinitionEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
override fun address() = ATag(kind, pubKey, dTag(), null)
fun appMetaData() = try {
MetadataEvent.metadataParser.readValue(
ByteArrayInputStream(content.toByteArray(Charsets.UTF_8)),
UserMetadata::class.java
)
} catch (e: Exception) {
e.printStackTrace()
Log.w("MT", "Content Parse Error ${e.localizedMessage} $content")
null
}
fun supportedKinds() = tags.filter { it.size > 1 && it[0] == "k" }.mapNotNull {
runCatching { it[1].toInt() }.getOrNull()
}
fun publishedAt() = tags.firstOrNull { it.size > 1 && it[0] == "published_at" }?.get(1)
companion object {
const val kind = 31990
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/AppRecommendationEvent.kt
-27
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@@ -1,27 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
@Immutable
class AppRecommendationEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
fun recommendations() = tags.filter { it.size > 1 && it[0] == "a" }.mapNotNull {
ATag.parse(it[1], it.getOrNull(2))
}
fun forKind() = runCatching { dTag().toInt() }.getOrNull()
override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
override fun address() = ATag(kind, pubKey, dTag(), null)
companion object {
const val kind = 31989
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/AudioTrackEvent.kt
-64
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@@ -1,64 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class AudioTrackEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
override fun address() = ATag(kind, pubKey, dTag(), null)
fun participants() = tags.filter { it.size > 1 && it[0] == "p" }.map { Participant(it[1], it.getOrNull(2)) }
fun type() = tags.firstOrNull { it.size > 1 && it[0] == TYPE }?.get(1)
fun price() = tags.firstOrNull { it.size > 1 && it[0] == PRICE }?.get(1)
fun cover() = tags.firstOrNull { it.size > 1 && it[0] == COVER }?.get(1)
// fun subject() = tags.firstOrNull { it.size > 1 && it[0] == SUBJECT }?.get(1)
fun media() = tags.firstOrNull { it.size > 1 && it[0] == MEDIA }?.get(1)
companion object {
const val kind = 31337
private const val TYPE = "c"
private const val PRICE = "price"
private const val COVER = "cover"
private const val SUBJECT = "subject"
private const val MEDIA = "media"
fun create(
type: String,
media: String,
price: String? = null,
cover: String? = null,
subject: String? = null,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): AudioTrackEvent {
val tags = listOfNotNull(
listOf(MEDIA, media),
listOf(TYPE, type),
price?.let { listOf(PRICE, it) },
cover?.let { listOf(COVER, it) },
subject?.let { listOf(SUBJECT, it) }
)
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = generateId(pubKey, createdAt, kind, tags, "")
val sig = CryptoUtils.sign(id, privateKey)
return AudioTrackEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
}
}
}
data class Participant(val key: String, val role: String?)
app/src/main/java/com/vitorpamplona/amethyst/service/model/BadgeAwardEvent.kt
-22
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@@ -1,22 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
@Immutable
class BadgeAwardEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
fun awardees() = taggedUsers()
fun awardDefinition() = taggedAddresses()
companion object {
const val kind = 8
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/BadgeDefinitionEvent.kt
-26
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@@ -1,26 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
@Immutable
class BadgeDefinitionEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
override fun address() = ATag(kind, pubKey, dTag(), null)
fun name() = tags.firstOrNull { it.size > 1 && it[0] == "name" }?.get(1)
fun thumb() = tags.firstOrNull { it.size > 1 && it[0] == "thumb" }?.get(1)
fun image() = tags.firstOrNull { it.size > 1 && it[0] == "image" }?.get(1)
fun description() = tags.firstOrNull { it.size > 1 && it[0] == "description" }?.get(1)
companion object {
const val kind = 30009
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/BadgeProfilesEvent.kt
-30
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@@ -1,30 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
@Immutable
class BadgeProfilesEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
fun badgeAwardEvents() = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
fun badgeAwardDefinitions() = tags.filter { it.firstOrNull() == "a" }.mapNotNull {
val aTagValue = it.getOrNull(1)
val relay = it.getOrNull(2)
if (aTagValue != null) ATag.parse(aTagValue, relay) else null
}
override fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
override fun address() = ATag(kind, pubKey, dTag(), null)
companion object {
const val kind = 30008
const val standardDTAg = "profile_badges"
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/BaseTextNoteEvent.kt
-130
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@@ -1,130 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.tagSearch
import com.vitorpamplona.amethyst.service.nip19.Nip19
import com.vitorpamplona.amethyst.service.nip19.Nip19.nip19regex
@Immutable
open class BaseTextNoteEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
kind: Int,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
fun mentions() = taggedUsers()
open fun replyTos() = taggedEvents()
@Transient
private var citedUsersCache: Set<HexKey>? = null
@Transient
private var citedNotesCache: Set<HexKey>? = null
fun citedUsers(): Set<HexKey> {
citedUsersCache?.let { return it }
val matcher = tagSearch.matcher(content)
val returningList = mutableSetOf<String>()
while (matcher.find()) {
try {
val tag = matcher.group(1)?.let { tags[it.toInt()] }
if (tag != null && tag.size > 1 && tag[0] == "p") {
returningList.add(tag[1])
}
} catch (e: Exception) {
}
}
val matcher2 = nip19regex.matcher(content)
while (matcher2.find()) {
val uriScheme = matcher2.group(1) // nostr:
val type = matcher2.group(2) // npub1
val key = matcher2.group(3) // bech32
val additionalChars = matcher2.group(4) // additional chars
try {
val parsed = Nip19.parseComponents(uriScheme, type, key, additionalChars)
if (parsed != null) {
val tag = tags.firstOrNull { it.size > 1 && it[1] == parsed.hex }
if (tag != null && tag[0] == "p") {
returningList.add(tag[1])
}
}
} catch (e: Exception) {
Log.w("Unable to parse cited users that matched a NIP19 regex", e)
}
}
citedUsersCache = returningList
return returningList
}
fun findCitations(): Set<HexKey> {
citedNotesCache?.let { return it }
val citations = mutableSetOf<HexKey>()
// Removes citations from replies:
val matcher = tagSearch.matcher(content)
while (matcher.find()) {
try {
val tag = matcher.group(1)?.let { tags[it.toInt()] }
if (tag != null && tag.size > 1 && tag[0] == "e") {
citations.add(tag[1])
}
if (tag != null && tag.size > 1 && tag[0] == "a") {
citations.add(tag[1])
}
} catch (e: Exception) {
}
}
val matcher2 = nip19regex.matcher(content)
while (matcher2.find()) {
val uriScheme = matcher2.group(1) // nostr:
val type = matcher2.group(2) // npub1
val key = matcher2.group(3) // bech32
val additionalChars = matcher2.group(4) // additional chars
val parsed = Nip19.parseComponents(uriScheme, type, key, additionalChars)
if (parsed != null) {
try {
val tag = tags.firstOrNull { it.size > 1 && it[1] == parsed.hex }
if (tag != null && tag[0] == "e") {
citations.add(tag[1])
}
if (tag != null && tag[0] == "a") {
citations.add(tag[1])
}
} catch (e: Exception) {
}
}
}
citedNotesCache = citations
return citations
}
fun tagsWithoutCitations(): List<String> {
val repliesTo = replyTos()
val tagAddresses = taggedAddresses().filter { it.kind != CommunityDefinitionEvent.kind }.map { it.toTag() }
if (repliesTo.isEmpty() && tagAddresses.isEmpty()) return emptyList()
val citations = findCitations()
return if (citations.isEmpty()) {
repliesTo + tagAddresses
} else {
repliesTo.filter { it !in citations }
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/BookmarkListEvent.kt
-56
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@@ -1,56 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class BookmarkListEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : GeneralListEvent(id, pubKey, createdAt, kind, tags, content, sig) {
companion object {
const val kind = 30001
fun create(
name: String = "",
events: List<String>? = null,
users: List<String>? = null,
addresses: List<ATag>? = null,
privEvents: List<String>? = null,
privUsers: List<String>? = null,
privAddresses: List<ATag>? = null,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): BookmarkListEvent {
val pubKey = CryptoUtils.pubkeyCreate(privateKey)
val content = createPrivateTags(privEvents, privUsers, privAddresses, privateKey, pubKey)
val tags = mutableListOf<List<String>>()
tags.add(listOf("d", name))
events?.forEach {
tags.add(listOf("e", it))
}
users?.forEach {
tags.add(listOf("p", it))
}
addresses?.forEach {
tags.add(listOf("a", it.toTag()))
}
val id = generateId(pubKey.toHexKey(), createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return BookmarkListEvent(id.toHexKey(), pubKey.toHexKey(), createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/ChannelCreateEvent.kt
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@@ -1,51 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class ChannelCreateEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
fun channelInfo(): ChannelData = try {
MetadataEvent.gson.fromJson(content, ChannelData::class.java)
} catch (e: Exception) {
Log.e("ChannelMetadataEvent", "Can't parse channel info $content", e)
ChannelData(null, null, null)
}
companion object {
const val kind = 40
fun create(channelInfo: ChannelData?, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ChannelCreateEvent {
val content = try {
if (channelInfo != null) {
gson.toJson(channelInfo)
} else {
""
}
} catch (t: Throwable) {
Log.e("ChannelCreateEvent", "Couldn't parse channel information", t)
""
}
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags = emptyList<List<String>>()
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return ChannelCreateEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
@Immutable
data class ChannelData(val name: String?, val about: String?, val picture: String?)
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/ChannelHideMessageEvent.kt
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@@ -1,41 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class ChannelHideMessageEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), IsInPublicChatChannel {
override fun channel() = tags.firstOrNull {
it.size > 3 && it[0] == "e" && it[3] == "root"
}?.get(1) ?: tags.firstOrNull {
it.size > 1 && it[0] == "e"
}?.get(1)
fun eventsToHide() = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
companion object {
const val kind = 43
fun create(reason: String, messagesToHide: List<String>?, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ChannelHideMessageEvent {
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags =
messagesToHide?.map {
listOf("e", it)
} ?: emptyList()
val id = generateId(pubKey, createdAt, kind, tags, reason)
val sig = CryptoUtils.sign(id, privateKey)
return ChannelHideMessageEvent(id.toHexKey(), pubKey, createdAt, tags, reason, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/ChannelMessageEvent.kt
-75
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@@ -1,75 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class ChannelMessageEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : BaseTextNoteEvent(id, pubKey, createdAt, kind, tags, content, sig), IsInPublicChatChannel {
override fun channel() = tags.firstOrNull {
it.size > 3 && it[0] == "e" && it[3] == "root"
}?.get(1) ?: tags.firstOrNull {
it.size > 1 && it[0] == "e"
}?.get(1)
override fun replyTos() = tags.filter { it.firstOrNull() == "e" && it.getOrNull(1) != channel() }.mapNotNull { it.getOrNull(1) }
companion object {
const val kind = 42
fun create(
message: String,
channel: String,
replyTos: List<String>? = null,
mentions: List<String>? = null,
zapReceiver: String?,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now(),
markAsSensitive: Boolean,
zapRaiserAmount: Long?,
geohash: String? = null
): ChannelMessageEvent {
val content = message
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags = mutableListOf(
listOf("e", channel, "", "root")
)
replyTos?.forEach {
tags.add(listOf("e", it))
}
mentions?.forEach {
tags.add(listOf("p", it))
}
zapReceiver?.let {
tags.add(listOf("zap", it))
}
if (markAsSensitive) {
tags.add(listOf("content-warning", ""))
}
zapRaiserAmount?.let {
tags.add(listOf("zapraiser", "$it"))
}
geohash?.let {
tags.add(listOf("g", it))
}
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return ChannelMessageEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
interface IsInPublicChatChannel {
open fun channel(): String?
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/ChannelMetadataEvent.kt
-47
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@@ -1,47 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class ChannelMetadataEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), IsInPublicChatChannel {
override fun channel() = tags.firstOrNull { it.size > 1 && it[0] == "e" }?.get(1)
fun channelInfo() =
try {
MetadataEvent.gson.fromJson(content, ChannelCreateEvent.ChannelData::class.java)
} catch (e: Exception) {
Log.e("ChannelMetadataEvent", "Can't parse channel info $content", e)
ChannelCreateEvent.ChannelData(null, null, null)
}
companion object {
const val kind = 41
fun create(newChannelInfo: ChannelCreateEvent.ChannelData?, originalChannelIdHex: String, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ChannelMetadataEvent {
val content =
if (newChannelInfo != null) {
gson.toJson(newChannelInfo)
} else {
""
}
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags = listOf(listOf("e", originalChannelIdHex, "", "root"))
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return ChannelMetadataEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/ChannelMuteUserEvent.kt
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@@ -1,42 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class ChannelMuteUserEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), IsInPublicChatChannel {
override fun channel() = tags.firstOrNull {
it.size > 3 && it[0] == "e" && it[3] == "root"
}?.get(1) ?: tags.firstOrNull {
it.size > 1 && it[0] == "e"
}?.get(1)
fun usersToMute() = tags.filter { it.firstOrNull() == "p" }.mapNotNull { it.getOrNull(1) }
companion object {
const val kind = 44
fun create(reason: String, usersToMute: List<String>?, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ChannelMuteUserEvent {
val content = reason
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags =
usersToMute?.map {
listOf("p", it)
} ?: emptyList()
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return ChannelMuteUserEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/ChatMessageEvent.kt
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@@ -1,103 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.ChatroomKey
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
import kotlinx.collections.immutable.toImmutableSet
@Immutable
class ChatMessageEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), ChatroomKeyable {
/**
* Recepients intended to receive this conversation
*/
fun recipientsPubKey() = tags.mapNotNull {
if (it.size > 1 && it[0] == "p") it[1] else null
}
fun replyTo() = tags.firstOrNull { it.size > 1 && it[0] == "e" }?.get(1)
fun talkingWith(oneSideHex: String): Set<HexKey> {
val listedPubKeys = recipientsPubKey()
val result = if (pubKey == oneSideHex) {
listedPubKeys.minus(oneSideHex).toSet()
} else {
listedPubKeys.plus(pubKey).minus(oneSideHex).toSet()
}
if (result.isEmpty()) {
// talking to myself
return setOf(pubKey)
}
return result
}
override fun chatroomKey(toRemove: String): ChatroomKey {
return ChatroomKey(talkingWith(toRemove).toImmutableSet())
}
companion object {
const val kind = 14
fun create(
msg: String,
to: List<String>? = null,
subject: String? = null,
replyTos: List<String>? = null,
mentions: List<String>? = null,
zapReceiver: String? = null,
markAsSensitive: Boolean = false,
zapRaiserAmount: Long? = null,
geohash: String? = null,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): ChatMessageEvent {
val content = msg
val tags = mutableListOf<List<String>>()
to?.forEach {
tags.add(listOf("p", it))
}
replyTos?.forEach {
tags.add(listOf("e", it))
}
mentions?.forEach {
tags.add(listOf("p", it, "", "mention"))
}
zapReceiver?.let {
tags.add(listOf("zap", it))
}
if (markAsSensitive) {
tags.add(listOf("content-warning", ""))
}
zapRaiserAmount?.let {
tags.add(listOf("zapraiser", "$it"))
}
geohash?.let {
tags.add(listOf("g", it))
}
subject?.let {
tags.add(listOf("subject", it))
}
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = generateId(pubKey, createdAt, ClassifiedsEvent.kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return ChatMessageEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
interface ChatroomKeyable {
fun chatroomKey(toRemove: HexKey): ChatroomKey
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/ClassifiedsEvent.kt
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@@ -1,77 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class ClassifiedsEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
override fun address() = ATag(kind, pubKey, dTag(), null)
fun title() = tags.firstOrNull { it.size > 1 && it[0] == "title" }?.get(1)
fun image() = tags.firstOrNull { it.size > 1 && it[0] == "image" }?.get(1)
fun summary() = tags.firstOrNull { it.size > 1 && it[0] == "summary" }?.get(1)
fun price() = tags.firstOrNull { it.size > 1 && it[0] == "price" }?.let {
Price(it[1], it.getOrNull(2), it.getOrNull(3))
}
fun location() = tags.firstOrNull { it.size > 1 && it[0] == "location" }?.get(1)
fun publishedAt() = try {
tags.firstOrNull { it.size > 1 && it[0] == "published_at" }?.get(1)?.toLongOrNull()
} catch (_: Exception) {
null
}
companion object {
const val kind = 30402
fun create(
dTag: String,
title: String?,
image: String?,
summary: String?,
price: Price?,
location: String?,
publishedAt: Long?,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): ClassifiedsEvent {
val tags = mutableListOf<List<String>>()
tags.add(listOf("d", dTag))
title?.let { tags.add(listOf("title", it)) }
image?.let { tags.add(listOf("image", it)) }
summary?.let { tags.add(listOf("summary", it)) }
price?.let {
if (it.frequency != null && it.currency != null) {
tags.add(listOf("price", it.amount, it.currency, it.frequency))
} else if (it.currency != null) {
tags.add(listOf("price", it.amount, it.currency))
} else {
tags.add(listOf("price", it.amount))
}
}
location?.let { tags.add(listOf("location", it)) }
publishedAt?.let { tags.add(listOf("publishedAt", it.toString())) }
title?.let { tags.add(listOf("title", it)) }
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = generateId(pubKey, createdAt, kind, tags, "")
val sig = CryptoUtils.sign(id, privateKey)
return ClassifiedsEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
}
}
}
data class Price(val amount: String, val currency: String?, val frequency: String?)
app/src/main/java/com/vitorpamplona/amethyst/service/model/CommunityDefinitionEvent.kt
-42
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@@ -1,42 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class CommunityDefinitionEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
override fun address() = ATag(kind, pubKey, dTag(), null)
fun description() = tags.firstOrNull { it.size > 1 && it[0] == "description" }?.get(1)
fun image() = tags.firstOrNull { it.size > 1 && it[0] == "image" }?.get(1)
fun rules() = tags.firstOrNull { it.size > 1 && it[0] == "rules" }?.get(1)
fun moderators() = tags.filter { it.size > 1 && it[0] == "p" }.map { Participant(it[1], it.getOrNull(3)) }
companion object {
const val kind = 34550
fun create(
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): CommunityDefinitionEvent {
val tags = mutableListOf<List<String>>()
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = generateId(pubKey, createdAt, kind, tags, "")
val sig = CryptoUtils.sign(id, privateKey)
return CommunityDefinitionEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/CommunityPostApprovalEvent.kt
-63
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@@ -1,63 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
import com.vitorpamplona.amethyst.service.relays.Client
@Immutable
class CommunityPostApprovalEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
fun containedPost(): Event? = try {
content.ifBlank { null }?.let {
fromJson(it, Client.lenient)
}
} catch (e: Exception) {
Log.w("CommunityPostEvent", "Failed to Parse Community Approval Contained Post of $id with $content")
null
}
fun communities() = tags.filter { it.size > 1 && it[0] == "a" }.mapNotNull {
val aTag = ATag.parse(it[1], it.getOrNull(2))
if (aTag?.kind == CommunityDefinitionEvent.kind) {
aTag
} else {
null
}
}
fun approvedEvents() = tags.filter {
it.size > 1 && (it[0] == "e" || (it[0] == "a" && ATag.parse(it[1], null)?.kind != CommunityDefinitionEvent.kind))
}.map {
it[1]
}
companion object {
const val kind = 4550
fun create(approvedPost: Event, community: CommunityDefinitionEvent, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): GenericRepostEvent {
val content = approvedPost.toJson()
val communities = listOf("a", community.address().toTag())
val replyToPost = listOf("e", approvedPost.id())
val replyToAuthor = listOf("p", approvedPost.pubKey())
val kind = listOf("k", "${approvedPost.kind()}")
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags: List<List<String>> = listOf(communities, replyToPost, replyToAuthor, kind)
val id = generateId(pubKey, createdAt, GenericRepostEvent.kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return GenericRepostEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/ContactListEvent.kt
-271
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@@ -1,271 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import androidx.compose.runtime.Stable
import com.google.gson.reflect.TypeToken
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.decodePublicKey
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
data class Contact(val pubKeyHex: String, val relayUri: String?)
@Stable
class ContactListEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
// This function is only used by the user logged in
// But it is used all the time.
@delegate:Transient
val verifiedFollowKeySet: Set<HexKey> by lazy {
tags.filter { it.size > 1 && it[0] == "p" }.mapNotNull {
try {
decodePublicKey(it[1]).toHexKey()
} catch (e: Exception) {
Log.w("ContactListEvent", "Can't parse tags as a follows: ${it[1]}", e)
null
}
}.toSet()
}
@delegate:Transient
val verifiedFollowTagSet: Set<String> by lazy {
unverifiedFollowTagSet().map { it.lowercase() }.toSet()
}
@delegate:Transient
val verifiedFollowGeohashSet: Set<String> by lazy {
unverifiedFollowGeohashSet().map { it.lowercase() }.toSet()
}
@delegate:Transient
val verifiedFollowCommunitySet: Set<String> by lazy {
unverifiedFollowAddressSet().toSet()
}
@delegate:Transient
val verifiedFollowKeySetAndMe: Set<HexKey> by lazy {
verifiedFollowKeySet + pubKey
}
fun unverifiedFollowKeySet() = tags.filter { it[0] == "p" }.mapNotNull { it.getOrNull(1) }
fun unverifiedFollowTagSet() = tags.filter { it[0] == "t" }.mapNotNull { it.getOrNull(1) }
fun unverifiedFollowGeohashSet() = tags.filter { it[0] == "g" }.mapNotNull { it.getOrNull(1) }
fun unverifiedFollowAddressSet() = tags.filter { it[0] == "a" }.mapNotNull { it.getOrNull(1) }
fun follows() = tags.filter { it[0] == "p" }.mapNotNull {
try {
Contact(decodePublicKey(it[1]).toHexKey(), it.getOrNull(2))
} catch (e: Exception) {
Log.w("ContactListEvent", "Can't parse tags as a follows: ${it[1]}", e)
null
}
}
fun followsTags() = tags.filter { it[0] == "t" }.mapNotNull {
it.getOrNull(2)
}
fun relays(): Map<String, ReadWrite>? = try {
if (content.isNotEmpty()) {
gson.fromJson(content, object : TypeToken<Map<String, ReadWrite>>() {}.type) as Map<String, ReadWrite>
} else {
null
}
} catch (e: Exception) {
Log.w("ContactListEvent", "Can't parse content as relay lists: $content", e)
null
}
companion object {
const val kind = 3
fun createFromScratch(
followUsers: List<Contact>,
followTags: List<String>,
followGeohashes: List<String>,
followCommunities: List<ATag>,
followEvents: List<String>,
relayUse: Map<String, ReadWrite>?,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): ContactListEvent {
val content = if (relayUse != null) {
gson.toJson(relayUse)
} else {
""
}
val tags = followUsers.map {
if (it.relayUri != null) {
listOf("p", it.pubKeyHex, it.relayUri)
} else {
listOf("p", it.pubKeyHex)
}
} + followTags.map {
listOf("t", it)
} + followEvents.map {
listOf("e", it)
} + followCommunities.map {
if (it.relay != null) {
listOf("a", it.toTag(), it.relay)
} else {
listOf("a", it.toTag())
}
} + followGeohashes.map {
listOf("g", it)
}
return create(
content = content,
tags = tags,
privateKey = privateKey,
createdAt = createdAt
)
}
fun followUser(earlierVersion: ContactListEvent, pubKeyHex: String, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ContactListEvent {
if (earlierVersion.isTaggedUser(pubKeyHex)) return earlierVersion
return create(
content = earlierVersion.content,
tags = earlierVersion.tags.plus(element = listOf("p", pubKeyHex)),
privateKey = privateKey,
createdAt = createdAt
)
}
fun unfollowUser(earlierVersion: ContactListEvent, pubKeyHex: String, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ContactListEvent {
if (!earlierVersion.isTaggedUser(pubKeyHex)) return earlierVersion
return create(
content = earlierVersion.content,
tags = earlierVersion.tags.filter { it.size > 1 && it[1] != pubKeyHex },
privateKey = privateKey,
createdAt = createdAt
)
}
fun followHashtag(earlierVersion: ContactListEvent, hashtag: String, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ContactListEvent {
if (earlierVersion.isTaggedHash(hashtag)) return earlierVersion
return create(
content = earlierVersion.content,
tags = earlierVersion.tags.plus(element = listOf("t", hashtag)),
privateKey = privateKey,
createdAt = createdAt
)
}
fun unfollowHashtag(earlierVersion: ContactListEvent, hashtag: String, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ContactListEvent {
if (!earlierVersion.isTaggedHash(hashtag)) return earlierVersion
return create(
content = earlierVersion.content,
tags = earlierVersion.tags.filter { it.size > 1 && it[1] != hashtag },
privateKey = privateKey,
createdAt = createdAt
)
}
fun followGeohash(earlierVersion: ContactListEvent, hashtag: String, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ContactListEvent {
if (earlierVersion.isTaggedGeoHash(hashtag)) return earlierVersion
return create(
content = earlierVersion.content,
tags = earlierVersion.tags.plus(element = listOf("g", hashtag)),
privateKey = privateKey,
createdAt = createdAt
)
}
fun unfollowGeohash(earlierVersion: ContactListEvent, hashtag: String, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ContactListEvent {
if (!earlierVersion.isTaggedGeoHash(hashtag)) return earlierVersion
return create(
content = earlierVersion.content,
tags = earlierVersion.tags.filter { it.size > 1 && it[1] != hashtag },
privateKey = privateKey,
createdAt = createdAt
)
}
fun followEvent(earlierVersion: ContactListEvent, idHex: String, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ContactListEvent {
if (earlierVersion.isTaggedEvent(idHex)) return earlierVersion
return create(
content = earlierVersion.content,
tags = earlierVersion.tags.plus(element = listOf("e", idHex)),
privateKey = privateKey,
createdAt = createdAt
)
}
fun unfollowEvent(earlierVersion: ContactListEvent, idHex: String, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ContactListEvent {
if (!earlierVersion.isTaggedEvent(idHex)) return earlierVersion
return create(
content = earlierVersion.content,
tags = earlierVersion.tags.filter { it.size > 1 && it[1] != idHex },
privateKey = privateKey,
createdAt = createdAt
)
}
fun followAddressableEvent(earlierVersion: ContactListEvent, aTag: ATag, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ContactListEvent {
if (earlierVersion.isTaggedAddressableNote(aTag.toTag())) return earlierVersion
return create(
content = earlierVersion.content,
tags = earlierVersion.tags.plus(element = listOfNotNull("a", aTag.toTag(), aTag.relay)),
privateKey = privateKey,
createdAt = createdAt
)
}
fun unfollowAddressableEvent(earlierVersion: ContactListEvent, aTag: ATag, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ContactListEvent {
if (!earlierVersion.isTaggedAddressableNote(aTag.toTag())) return earlierVersion
return create(
content = earlierVersion.content,
tags = earlierVersion.tags.filter { it.size > 1 && it[1] != aTag.toTag() },
privateKey = privateKey,
createdAt = createdAt
)
}
fun updateRelayList(earlierVersion: ContactListEvent, relayUse: Map<String, ReadWrite>?, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ContactListEvent {
val content = if (relayUse != null) {
gson.toJson(relayUse)
} else {
""
}
return create(
content = content,
tags = earlierVersion.tags,
privateKey = privateKey,
createdAt = createdAt
)
}
fun create(content: String, tags: List<List<String>>, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ContactListEvent {
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return ContactListEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
data class ReadWrite(val read: Boolean, val write: Boolean)
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/DeletionEvent.kt
-32
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@@ -1,32 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class DeletionEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
fun deleteEvents() = tags.map { it[1] }
companion object {
const val kind = 5
fun create(deleteEvents: List<String>, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): DeletionEvent {
val content = ""
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags = deleteEvents.map { listOf("e", it) }
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return DeletionEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/EmojiPackEvent.kt
-56
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@@ -1,56 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class EmojiPackEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : GeneralListEvent(id, pubKey, createdAt, kind, tags, content, sig) {
companion object {
const val kind = 30030
fun create(
name: String = "",
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): EmojiPackEvent {
val content = ""
val pubKey = CryptoUtils.pubkeyCreate(privateKey)
val tags = mutableListOf<List<String>>()
tags.add(listOf("d", name))
val id = generateId(pubKey.toHexKey(), createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return EmojiPackEvent(id.toHexKey(), pubKey.toHexKey(), createdAt, tags, content, sig.toHexKey())
}
}
}
@Immutable
data class EmojiUrl(val code: String, val url: String) {
fun encode(): String {
return ":$code:$url"
}
companion object {
fun decode(encodedEmojiSetup: String): EmojiUrl? {
val emojiParts = encodedEmojiSetup.split(":", limit = 3)
return if (emojiParts.size > 2) {
EmojiUrl(emojiParts[1], emojiParts[2])
} else {
null
}
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/EmojiPackSelectionEvent.kt
-43
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@@ -1,43 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class EmojiPackSelectionEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
override fun dTag() = ""
override fun address() = ATag(kind, pubKey, dTag(), null)
companion object {
const val kind = 10030
fun create(
listOfEmojiPacks: List<ATag>?,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): EmojiPackSelectionEvent {
val msg = ""
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags = mutableListOf<List<String>>()
listOfEmojiPacks?.forEach {
tags.add(listOf("a", it.toTag()))
}
val id = generateId(pubKey, createdAt, kind, tags, msg)
val sig = CryptoUtils.sign(id, privateKey)
return EmojiPackSelectionEvent(id.toHexKey(), pubKey, createdAt, tags, msg, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/Event.kt
-382
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@@ -1,382 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.google.gson.*
import com.google.gson.annotations.SerializedName
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
import com.vitorpamplona.amethyst.service.nip19.Nip19
import com.vitorpamplona.amethyst.service.relays.bytesUsedInMemory
import fr.acinq.secp256k1.Hex
import java.lang.reflect.Type
import java.math.BigDecimal
import java.util.*
@Immutable
open class Event(
val id: HexKey,
@SerializedName("pubkey") val pubKey: HexKey,
@SerializedName("created_at") val createdAt: Long,
val kind: Int,
val tags: List<List<String>>,
val content: String,
val sig: HexKey
) : EventInterface {
override fun countMemory(): Long {
return 12L +
id.bytesUsedInMemory() +
pubKey.bytesUsedInMemory() +
tags.sumOf { it.sumOf { it.bytesUsedInMemory() } } +
content.bytesUsedInMemory() +
sig.bytesUsedInMemory()
}
override fun id(): HexKey = id
override fun pubKey(): HexKey = pubKey
override fun createdAt(): Long = createdAt
override fun kind(): Int = kind
override fun tags(): List<List<String>> = tags
override fun content(): String = content
override fun sig(): HexKey = sig
override fun toJson(): String = gson.toJson(this)
fun hasAnyTaggedUser() = tags.any { it.size > 1 && it[0] == "p" }
override fun taggedUsers() = tags.filter { it.size > 1 && it[0] == "p" }.map { it[1] }
override fun taggedEvents() = tags.filter { it.size > 1 && it[0] == "e" }.map { it[1] }
override fun taggedUrls() = tags.filter { it.size > 1 && it[0] == "r" }.map { it[1] }
override fun taggedEmojis() = tags.filter { it.size > 2 && it[0] == "emoji" }.map { EmojiUrl(it[1], it[2]) }
override fun isSensitive() = tags.any {
(it.size > 0 && it[0].equals("content-warning", true)) ||
(it.size > 1 && it[0] == "t" && it[1].equals("nsfw", true)) ||
(it.size > 1 && it[0] == "t" && it[1].equals("nude", true))
}
override fun subject() = tags.firstOrNull() { it.size > 1 && it[0] == "subject" }?.get(1)
override fun zapraiserAmount() = tags.firstOrNull() {
(it.size > 1 && it[0] == "zapraiser")
}?.get(1)?.toLongOrNull()
override fun zapAddress() = tags.firstOrNull { it.size > 1 && it[0] == "zap" }?.get(1)
override fun taggedAddresses() = tags.filter { it.size > 1 && it[0] == "a" }.mapNotNull {
val aTagValue = it[1]
val relay = it.getOrNull(2)
ATag.parse(aTagValue, relay)
}
override fun hashtags() = tags.filter { it.size > 1 && it[0] == "t" }.map { it[1] }
override fun geohashes() = tags.filter { it.size > 1 && it[0] == "g" }.map { it[1] }
override fun matchTag1With(text: String) = tags.any { it.size > 1 && it[1].contains(text, true) }
override fun isTaggedUser(idHex: String) = tags.any { it.size > 1 && it[0] == "p" && it[1] == idHex }
override fun isTaggedEvent(idHex: String) = tags.any { it.size > 1 && it[0] == "e" && it[1] == idHex }
override fun isTaggedAddressableNote(idHex: String) = tags.any { it.size > 1 && it[0] == "a" && it[1] == idHex }
override fun isTaggedAddressableNotes(idHexes: Set<String>) = tags.any { it.size > 1 && it[0] == "a" && it[1] in idHexes }
override fun isTaggedHash(hashtag: String) = tags.any { it.size > 1 && it[0] == "t" && it[1].equals(hashtag, true) }
override fun isTaggedGeoHash(hashtag: String) = tags.any { it.size > 1 && it[0] == "g" && it[1].startsWith(hashtag, true) }
override fun isTaggedHashes(hashtags: Set<String>) = tags.any { it.size > 1 && it[0] == "t" && it[1].lowercase() in hashtags }
override fun isTaggedGeoHashes(hashtags: Set<String>) = tags.any { it.size > 1 && it[0] == "g" && it[1].lowercase() in hashtags }
override fun firstIsTaggedHashes(hashtags: Set<String>) = tags.firstOrNull { it.size > 1 && it[0] == "t" && it[1].lowercase() in hashtags }?.getOrNull(1)
override fun firstIsTaggedAddressableNote(addressableNotes: Set<String>) = tags.firstOrNull { it.size > 1 && it[0] == "a" && it[1] in addressableNotes }?.getOrNull(1)
override fun isTaggedAddressableKind(kind: Int): Boolean {
val kindStr = kind.toString()
return tags.any { it.size > 1 && it[0] == "a" && it[1].startsWith(kindStr) }
}
override fun getTagOfAddressableKind(kind: Int): ATag? {
val kindStr = kind.toString()
val aTag = tags
.firstOrNull { it.size > 1 && it[0] == "a" && it[1].startsWith(kindStr) }
?.getOrNull(1)
?: return null
return ATag.parse(aTag, null)
}
override fun getPoWRank(): Int {
var rank = 0
for (i in 0..id.length) {
if (id[i] == '0') {
rank += 4
} else if (id[i] in '4'..'7') {
rank += 1
break
} else if (id[i] in '2'..'3') {
rank += 2
break
} else if (id[i] == '1') {
rank += 3
break
} else {
break
}
}
return rank
}
override fun getGeoHash(): String? {
return tags.firstOrNull { it.size > 1 && it[0] == "g" }?.get(1)?.ifBlank { null }
}
override fun getReward(): BigDecimal? {
return try {
tags.firstOrNull { it.size > 1 && it[0] == "reward" }?.get(1)?.let { BigDecimal(it) }
} catch (e: Exception) {
null
}
}
open fun toNIP19(): String {
return if (this is AddressableEvent) {
ATag(kind, pubKey, dTag(), null).toNAddr()
} else {
Nip19.createNEvent(id, pubKey, kind, null)
}
}
fun toNostrUri(): String {
return "nostr:${toNIP19()}"
}
/**
* Checks if the ID is correct and then if the pubKey's secret key signed the event.
*/
override fun checkSignature() {
if (!id.contentEquals(generateId())) {
throw Exception(
"""|Unexpected ID.
| Event: ${toJson()}
| Actual ID: $id
| Generated: ${generateId()}
""".trimIndent()
)
}
if (!CryptoUtils.verifySignature(Hex.decode(sig), Hex.decode(id), Hex.decode(pubKey))) {
throw Exception("""Bad signature!""")
}
}
override fun hasValidSignature(): Boolean {
return try {
id.contentEquals(generateId()) && CryptoUtils.verifySignature(Hex.decode(sig), Hex.decode(id), Hex.decode(pubKey))
} catch (e: Exception) {
Log.e("Event", "Fail checking if event $id has a valid signature", e)
false
}
}
private fun generateId(): String {
val rawEvent = listOf(0, pubKey, createdAt, kind, tags, content)
// GSON decided to hardcode these replacements.
// They break Nostr's hash check.
// These lines revert their code.
// https://github.com/google/gson/issues/2295
val rawEventJson = gson.toJson(rawEvent)
.replace("\\u2028", "\u2028")
.replace("\\u2029", "\u2029")
return CryptoUtils.sha256(rawEventJson.toByteArray()).toHexKey()
}
private class EventDeserializer : JsonDeserializer<Event> {
override fun deserialize(
json: JsonElement,
typeOfT: Type?,
context: JsonDeserializationContext?
): Event {
val jsonObject = json.asJsonObject
return Event(
id = jsonObject.get("id").asString.intern(),
pubKey = jsonObject.get("pubkey").asString.intern(),
createdAt = jsonObject.get("created_at").asLong,
kind = jsonObject.get("kind").asInt,
tags = jsonObject.get("tags").asJsonArray.map {
it.asJsonArray.mapNotNull { s -> if (s.isJsonNull) null else s.asString.intern() }
},
content = jsonObject.get("content").asString,
sig = jsonObject.get("sig").asString
)
}
}
private class GossipDeserializer : JsonDeserializer<Gossip> {
override fun deserialize(
json: JsonElement,
typeOfT: Type?,
context: JsonDeserializationContext?
): Gossip {
val jsonObject = json.asJsonObject
return Gossip(
id = jsonObject.get("id")?.asString?.intern(),
pubKey = jsonObject.get("pubkey")?.asString?.intern(),
createdAt = jsonObject.get("created_at")?.asLong,
kind = jsonObject.get("kind")?.asInt,
tags = jsonObject.get("tags")?.asJsonArray?.mapNotNull {
it?.asJsonArray?.mapNotNull { s -> if (s?.isJsonNull != false) null else s.asString.intern() }
},
content = jsonObject.get("content")?.asString
)
}
}
private class EventSerializer : JsonSerializer<Event> {
override fun serialize(
src: Event,
typeOfSrc: Type?,
context: JsonSerializationContext?
): JsonElement {
return JsonObject().apply {
addProperty("id", src.id)
addProperty("pubkey", src.pubKey)
addProperty("created_at", src.createdAt)
addProperty("kind", src.kind)
add(
"tags",
JsonArray().also { jsonTags ->
src.tags.forEach { tag ->
jsonTags.add(
JsonArray().also { jsonTagElement ->
tag.forEach { tagElement ->
jsonTagElement.add(tagElement)
}
}
)
}
}
)
addProperty("content", src.content)
addProperty("sig", src.sig)
}
}
}
private class GossipSerializer : JsonSerializer<Gossip> {
override fun serialize(
src: Gossip,
typeOfSrc: Type?,
context: JsonSerializationContext?
): JsonElement {
return JsonObject().apply {
src.id?.let { addProperty("id", it) }
src.pubKey?.let { addProperty("pubkey", it) }
src.createdAt?.let { addProperty("created_at", it) }
src.kind?.let { addProperty("kind", it) }
src.tags?.let {
add(
"tags",
JsonArray().also { jsonTags ->
it.forEach { tag ->
jsonTags.add(
JsonArray().also { jsonTagElement ->
tag.forEach { tagElement ->
jsonTagElement.add(tagElement)
}
}
)
}
}
)
}
src.content?.let { addProperty("content", it) }
}
}
}
private class ByteArrayDeserializer : JsonDeserializer<ByteArray> {
override fun deserialize(
json: JsonElement,
typeOfT: Type?,
context: JsonDeserializationContext?
): ByteArray = Hex.decode(json.asString)
}
private class ByteArraySerializer : JsonSerializer<ByteArray> {
override fun serialize(
src: ByteArray,
typeOfSrc: Type?,
context: JsonSerializationContext?
) = JsonPrimitive(src.toHexKey())
}
companion object {
val gson: Gson = GsonBuilder()
.disableHtmlEscaping()
.registerTypeAdapter(Event::class.java, EventSerializer())
.registerTypeAdapter(Event::class.java, EventDeserializer())
.registerTypeAdapter(Gossip::class.java, GossipSerializer())
.registerTypeAdapter(Gossip::class.java, GossipDeserializer())
.registerTypeAdapter(ByteArray::class.java, ByteArraySerializer())
.registerTypeAdapter(ByteArray::class.java, ByteArrayDeserializer())
.registerTypeAdapter(Response::class.java, ResponseDeserializer())
.registerTypeAdapter(Request::class.java, RequestDeserializer())
.create()
fun fromJson(json: String, lenient: Boolean = false): Event = gson.fromJson(json, Event::class.java).getRefinedEvent(lenient)
fun fromJson(json: JsonElement, lenient: Boolean = false): Event = gson.fromJson(json, Event::class.java).getRefinedEvent(lenient)
fun Event.getRefinedEvent(lenient: Boolean = false): Event {
return EventFactory.create(id, pubKey, createdAt, kind, tags, content, sig, lenient)
}
fun generateId(pubKey: HexKey, createdAt: Long, kind: Int, tags: List<List<String>>, content: String): ByteArray {
val rawEvent = listOf(
0,
pubKey,
createdAt,
kind,
tags,
content
)
// GSON decided to hardcode these replacements.
// They break Nostr's hash check.
// These lines revert their code.
// https://github.com/google/gson/issues/2295
val rawEventJson = gson.toJson(rawEvent)
.replace("\\u2028", "\u2028")
.replace("\\u2029", "\u2029")
return CryptoUtils.sha256(rawEventJson.toByteArray())
}
fun create(privateKey: ByteArray, kind: Int, tags: List<List<String>> = emptyList(), content: String = "", createdAt: Long = TimeUtils.now()): Event {
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = Companion.generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey).toHexKey()
return Event(id.toHexKey(), pubKey, createdAt, kind, tags, content, sig)
}
}
}
@Immutable
interface AddressableEvent {
fun dTag(): String
fun address(): ATag
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/EventFactory.kt
-79
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@@ -1,79 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import com.vitorpamplona.amethyst.model.toHexKey
class EventFactory {
companion object {
fun create(
id: String,
pubKey: String,
createdAt: Long,
kind: Int,
tags: List<List<String>>,
content: String,
sig: String,
lenient: Boolean
) = when (kind) {
AdvertisedRelayListEvent.kind -> AdvertisedRelayListEvent(id, pubKey, createdAt, tags, content, sig)
AppDefinitionEvent.kind -> AppDefinitionEvent(id, pubKey, createdAt, tags, content, sig)
AppRecommendationEvent.kind -> AppRecommendationEvent(id, pubKey, createdAt, tags, content, sig)
AudioTrackEvent.kind -> AudioTrackEvent(id, pubKey, createdAt, tags, content, sig)
BadgeAwardEvent.kind -> BadgeAwardEvent(id, pubKey, createdAt, tags, content, sig)
BadgeDefinitionEvent.kind -> BadgeDefinitionEvent(id, pubKey, createdAt, tags, content, sig)
BadgeProfilesEvent.kind -> BadgeProfilesEvent(id, pubKey, createdAt, tags, content, sig)
BookmarkListEvent.kind -> BookmarkListEvent(id, pubKey, createdAt, tags, content, sig)
ChannelCreateEvent.kind -> ChannelCreateEvent(id, pubKey, createdAt, tags, content, sig)
ChannelHideMessageEvent.kind -> ChannelHideMessageEvent(id, pubKey, createdAt, tags, content, sig)
ChannelMessageEvent.kind -> ChannelMessageEvent(id, pubKey, createdAt, tags, content, sig)
ChannelMetadataEvent.kind -> ChannelMetadataEvent(id, pubKey, createdAt, tags, content, sig)
ChannelMuteUserEvent.kind -> ChannelMuteUserEvent(id, pubKey, createdAt, tags, content, sig)
ChatMessageEvent.kind -> {
if (id.isBlank()) {
val id = Event.generateId(pubKey, createdAt, kind, tags, content).toHexKey()
ChatMessageEvent(id, pubKey, createdAt, tags, content, sig)
} else {
ChatMessageEvent(id, pubKey, createdAt, tags, content, sig)
}
}
ClassifiedsEvent.kind -> ClassifiedsEvent(id, pubKey, createdAt, tags, content, sig)
CommunityDefinitionEvent.kind -> CommunityDefinitionEvent(id, pubKey, createdAt, tags, content, sig)
CommunityPostApprovalEvent.kind -> CommunityPostApprovalEvent(id, pubKey, createdAt, tags, content, sig)
ContactListEvent.kind -> ContactListEvent(id, pubKey, createdAt, tags, content, sig)
DeletionEvent.kind -> DeletionEvent(id, pubKey, createdAt, tags, content, sig)
// Will never happen.
// DirectMessageEvent.kind -> DirectMessageEvent(createdAt, tags, content)
EmojiPackEvent.kind -> EmojiPackEvent(id, pubKey, createdAt, tags, content, sig)
EmojiPackSelectionEvent.kind -> EmojiPackSelectionEvent(id, pubKey, createdAt, tags, content, sig)
SealedGossipEvent.kind -> SealedGossipEvent(id, pubKey, createdAt, tags, content, sig)
FileHeaderEvent.kind -> FileHeaderEvent(id, pubKey, createdAt, tags, content, sig)
FileStorageEvent.kind -> FileStorageEvent(id, pubKey, createdAt, tags, content, sig)
FileStorageHeaderEvent.kind -> FileStorageHeaderEvent(id, pubKey, createdAt, tags, content, sig)
GenericRepostEvent.kind -> GenericRepostEvent(id, pubKey, createdAt, tags, content, sig)
GiftWrapEvent.kind -> GiftWrapEvent(id, pubKey, createdAt, tags, content, sig)
HighlightEvent.kind -> HighlightEvent(id, pubKey, createdAt, tags, content, sig)
LiveActivitiesEvent.kind -> LiveActivitiesEvent(id, pubKey, createdAt, tags, content, sig)
LiveActivitiesChatMessageEvent.kind -> LiveActivitiesChatMessageEvent(id, pubKey, createdAt, tags, content, sig)
LnZapEvent.kind -> LnZapEvent(id, pubKey, createdAt, tags, content, sig)
LnZapPaymentRequestEvent.kind -> LnZapPaymentRequestEvent(id, pubKey, createdAt, tags, content, sig)
LnZapPaymentResponseEvent.kind -> LnZapPaymentResponseEvent(id, pubKey, createdAt, tags, content, sig)
LnZapRequestEvent.kind -> LnZapRequestEvent(id, pubKey, createdAt, tags, content, sig)
LongTextNoteEvent.kind -> LongTextNoteEvent(id, pubKey, createdAt, tags, content, sig)
MetadataEvent.kind -> MetadataEvent(id, pubKey, createdAt, tags, content, sig)
NNSEvent.kind -> NNSEvent(id, pubKey, createdAt, tags, content, sig)
PeopleListEvent.kind -> PeopleListEvent(id, pubKey, createdAt, tags, content, sig)
PinListEvent.kind -> PinListEvent(id, pubKey, createdAt, tags, content, sig)
PollNoteEvent.kind -> PollNoteEvent(id, pubKey, createdAt, tags, content, sig)
PrivateDmEvent.kind -> PrivateDmEvent(id, pubKey, createdAt, tags, content, sig)
ReactionEvent.kind -> ReactionEvent(id, pubKey, createdAt, tags, content, sig)
RecommendRelayEvent.kind -> RecommendRelayEvent(id, pubKey, createdAt, tags, content, sig, lenient)
RelaySetEvent.kind -> RelaySetEvent(id, pubKey, createdAt, tags, content, sig)
ReportEvent.kind -> ReportEvent(id, pubKey, createdAt, tags, content, sig)
RepostEvent.kind -> RepostEvent(id, pubKey, createdAt, tags, content, sig)
TextNoteEvent.kind -> TextNoteEvent(id, pubKey, createdAt, tags, content, sig)
else -> Event(id, pubKey, createdAt, kind, tags, content, sig)
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/EventInterface.kt
-69
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@@ -1,69 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import java.math.BigDecimal
@Immutable
interface EventInterface {
fun countMemory(): Long
fun id(): HexKey
fun pubKey(): HexKey
fun createdAt(): Long
fun kind(): Int
fun tags(): List<List<String>>
fun content(): String
fun sig(): HexKey
fun toJson(): String
fun checkSignature()
fun hasValidSignature(): Boolean
fun isTaggedUser(idHex: String): Boolean
fun isTaggedEvent(idHex: String): Boolean
fun isTaggedAddressableNote(idHex: String): Boolean
fun isTaggedAddressableNotes(idHexes: Set<String>): Boolean
fun isTaggedHash(hashtag: String): Boolean
fun isTaggedGeoHash(hashtag: String): Boolean
fun isTaggedHashes(hashtags: Set<String>): Boolean
fun isTaggedGeoHashes(hashtags: Set<String>): Boolean
fun firstIsTaggedHashes(hashtags: Set<String>): String?
fun firstIsTaggedAddressableNote(addressableNotes: Set<String>): String?
fun isTaggedAddressableKind(kind: Int): Boolean
fun getTagOfAddressableKind(kind: Int): ATag?
fun hashtags(): List<String>
fun geohashes(): List<String>
fun getReward(): BigDecimal?
fun getPoWRank(): Int
fun getGeoHash(): String?
fun zapAddress(): String?
fun isSensitive(): Boolean
fun subject(): String?
fun zapraiserAmount(): Long?
fun taggedAddresses(): List<ATag>
fun taggedUsers(): List<HexKey>
fun taggedEvents(): List<HexKey>
fun taggedUrls(): List<String>
fun taggedEmojis(): List<EmojiUrl>
fun matchTag1With(text: String): Boolean
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/FileHeaderEvent.kt
-87
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@@ -1,87 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class FileHeaderEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
fun url() = tags.firstOrNull { it.size > 1 && it[0] == URL }?.get(1)
fun encryptionKey() = tags.firstOrNull { it.size > 2 && it[0] == ENCRYPTION_KEY }?.let { AESGCM(it[1], it[2]) }
fun mimeType() = tags.firstOrNull { it.size > 1 && it[0] == MIME_TYPE }?.get(1)
fun hash() = tags.firstOrNull { it.size > 1 && it[0] == HASH }?.get(1)
fun size() = tags.firstOrNull { it.size > 1 && it[0] == FILE_SIZE }?.get(1)
fun dimensions() = tags.firstOrNull { it.size > 1 && it[0] == DIMENSION }?.get(1)
fun magnetURI() = tags.firstOrNull { it.size > 1 && it[0] == MAGNET_URI }?.get(1)
fun torrentInfoHash() = tags.firstOrNull { it.size > 1 && it[0] == TORRENT_INFOHASH }?.get(1)
fun blurhash() = tags.firstOrNull { it.size > 1 && it[0] == BLUR_HASH }?.get(1)
fun hasUrl() = tags.any { it.size > 1 && it[0] == URL }
companion object {
const val kind = 1063
private const val URL = "url"
private const val ENCRYPTION_KEY = "aes-256-gcm"
private const val MIME_TYPE = "m"
private const val FILE_SIZE = "size"
private const val DIMENSION = "dim"
private const val HASH = "x"
private const val MAGNET_URI = "magnet"
private const val TORRENT_INFOHASH = "i"
private const val BLUR_HASH = "blurhash"
fun create(
url: String,
mimeType: String? = null,
description: String? = null,
hash: String? = null,
size: String? = null,
dimensions: String? = null,
blurhash: String? = null,
magnetURI: String? = null,
torrentInfoHash: String? = null,
encryptionKey: AESGCM? = null,
sensitiveContent: Boolean? = null,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): FileHeaderEvent {
val tags = listOfNotNull(
listOf(URL, url),
mimeType?.let { listOf(MIME_TYPE, mimeType) },
hash?.let { listOf(HASH, it) },
size?.let { listOf(FILE_SIZE, it) },
dimensions?.let { listOf(DIMENSION, it) },
blurhash?.let { listOf(BLUR_HASH, it) },
magnetURI?.let { listOf(MAGNET_URI, it) },
torrentInfoHash?.let { listOf(TORRENT_INFOHASH, it) },
encryptionKey?.let { listOf(ENCRYPTION_KEY, it.key, it.nonce) },
sensitiveContent?.let {
if (it) {
listOf("content-warning", "")
} else {
null
}
}
)
val content = description ?: ""
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return FileHeaderEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
data class AESGCM(val key: String, val nonce: String)
app/src/main/java/com/vitorpamplona/amethyst/service/model/FileStorageEvent.kt
-60
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@@ -1,60 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
import java.util.Base64
@Immutable
class FileStorageEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
fun type() = tags.firstOrNull { it.size > 1 && it[0] == TYPE }?.get(1)
fun decryptKey() = tags.firstOrNull { it.size > 2 && it[0] == DECRYPT }?.let { AESGCM(it[1], it[2]) }
fun decode(): ByteArray? {
return try {
Base64.getDecoder().decode(content)
} catch (e: Exception) {
Log.e("FileStorageEvent", "Unable to decode base 64 ${e.message} $content")
null
}
}
companion object {
const val kind = 1064
private const val TYPE = "type"
private const val DECRYPT = "decrypt"
fun encode(bytes: ByteArray): String {
return Base64.getEncoder().encodeToString(bytes)
}
fun create(
mimeType: String,
data: ByteArray,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): FileStorageEvent {
val tags = listOfNotNull(
listOf(TYPE, mimeType)
)
val content = encode(data)
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return FileStorageEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/FileStorageHeaderEvent.kt
-83
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@@ -1,83 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class FileStorageHeaderEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
fun dataEventId() = tags.firstOrNull { it.size > 1 && it[0] == "e" }?.get(1)
fun encryptionKey() = tags.firstOrNull { it.size > 2 && it[0] == ENCRYPTION_KEY }?.let { AESGCM(it[1], it[2]) }
fun mimeType() = tags.firstOrNull { it.size > 1 && it[0] == MIME_TYPE }?.get(1)
fun hash() = tags.firstOrNull { it.size > 1 && it[0] == HASH }?.get(1)
fun size() = tags.firstOrNull { it.size > 1 && it[0] == FILE_SIZE }?.get(1)
fun dimensions() = tags.firstOrNull { it.size > 1 && it[0] == DIMENSION }?.get(1)
fun magnetURI() = tags.firstOrNull { it.size > 1 && it[0] == MAGNET_URI }?.get(1)
fun torrentInfoHash() = tags.firstOrNull { it.size > 1 && it[0] == TORRENT_INFOHASH }?.get(1)
fun blurhash() = tags.firstOrNull { it.size > 1 && it[0] == BLUR_HASH }?.get(1)
companion object {
const val kind = 1065
private const val ENCRYPTION_KEY = "aes-256-gcm"
private const val MIME_TYPE = "m"
private const val FILE_SIZE = "size"
private const val DIMENSION = "dim"
private const val HASH = "x"
private const val MAGNET_URI = "magnet"
private const val TORRENT_INFOHASH = "i"
private const val BLUR_HASH = "blurhash"
fun create(
storageEvent: FileStorageEvent,
mimeType: String? = null,
description: String? = null,
hash: String? = null,
size: String? = null,
dimensions: String? = null,
blurhash: String? = null,
magnetURI: String? = null,
torrentInfoHash: String? = null,
encryptionKey: AESGCM? = null,
sensitiveContent: Boolean? = null,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): FileStorageHeaderEvent {
val tags = listOfNotNull(
listOf("e", storageEvent.id),
mimeType?.let { listOf(MIME_TYPE, mimeType) },
hash?.let { listOf(HASH, it) },
size?.let { listOf(FILE_SIZE, it) },
dimensions?.let { listOf(DIMENSION, it) },
blurhash?.let { listOf(BLUR_HASH, it) },
magnetURI?.let { listOf(MAGNET_URI, it) },
torrentInfoHash?.let { listOf(TORRENT_INFOHASH, it) },
encryptionKey?.let { listOf(ENCRYPTION_KEY, it.key, it.nonce) },
sensitiveContent?.let {
if (it) {
listOf("content-warning", "")
} else {
null
}
}
)
val content = description ?: ""
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return FileStorageHeaderEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/GeneralListEvent.kt
-112
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@@ -1,112 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.google.gson.reflect.TypeToken
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.hexToByteArray
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
abstract class GeneralListEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
kind: Int,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
override fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
override fun address() = ATag(kind, pubKey, dTag(), null)
fun category() = dTag()
fun bookmarkedPosts() = taggedEvents()
fun bookmarkedPeople() = taggedUsers()
fun plainContent(privKey: ByteArray): String? {
if (content.isBlank()) return null
return try {
val sharedSecret = CryptoUtils.getSharedSecretNIP04(privKey, pubKey.hexToByteArray())
return CryptoUtils.decryptNIP04(content, sharedSecret)
} catch (e: Exception) {
Log.w("GeneralList", "Error decrypting the message ${e.message} for ${dTag()}")
null
}
}
@Transient
private var privateTagsCache: List<List<String>>? = null
fun privateTags(privKey: ByteArray): List<List<String>>? {
if (privateTagsCache != null) {
return privateTagsCache
}
privateTagsCache = try {
gson.fromJson(plainContent(privKey), object : TypeToken<List<List<String>>>() {}.type)
} catch (e: Throwable) {
Log.w("GeneralList", "Error parsing the JSON ${e.message}")
null
}
return privateTagsCache
}
fun privateTagsOrEmpty(privKey: ByteArray): List<List<String>> {
return privateTags(privKey) ?: emptyList()
}
fun privateTaggedUsers(privKey: ByteArray) = privateTags(privKey)?.filter { it.size > 1 && it[0] == "p" }?.map { it[1] }
fun privateHashtags(privKey: ByteArray) = privateTags(privKey)?.filter { it.size > 1 && it[0] == "t" }?.map { it[1] }
fun privateGeohashes(privKey: ByteArray) = privateTags(privKey)?.filter { it.size > 1 && it[0] == "g" }?.map { it[1] }
fun privateTaggedEvents(privKey: ByteArray) = privateTags(privKey)?.filter { it.size > 1 && it[0] == "e" }?.map { it[1] }
fun privateTaggedAddresses(privKey: ByteArray) = privateTags(privKey)?.filter { it.firstOrNull() == "a" }?.mapNotNull {
val aTagValue = it.getOrNull(1)
val relay = it.getOrNull(2)
if (aTagValue != null) ATag.parse(aTagValue, relay) else null
}
companion object {
fun createPrivateTags(
privEvents: List<String>? = null,
privUsers: List<String>? = null,
privAddresses: List<ATag>? = null,
privateKey: ByteArray,
pubKey: ByteArray
): String {
val privTags = mutableListOf<List<String>>()
privEvents?.forEach {
privTags.add(listOf("e", it))
}
privUsers?.forEach {
privTags.add(listOf("p", it))
}
privAddresses?.forEach {
privTags.add(listOf("a", it.toTag()))
}
val msg = gson.toJson(privTags)
return CryptoUtils.encryptNIP04(
msg,
privateKey,
pubKey
)
}
fun encryptTags(
privateTags: List<List<String>>? = null,
privateKey: ByteArray
): String {
return CryptoUtils.encryptNIP04(
msg = gson.toJson(privateTags),
privateKey = privateKey,
pubKey = CryptoUtils.pubkeyCreate(privateKey)
)
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/GenericRepostEvent.kt
-52
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@@ -1,52 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
import com.vitorpamplona.amethyst.service.relays.Client
@Immutable
class GenericRepostEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
fun boostedPost() = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
fun originalAuthor() = tags.filter { it.firstOrNull() == "p" }.mapNotNull { it.getOrNull(1) }
fun containedPost() = try {
fromJson(content, Client.lenient)
} catch (e: Exception) {
null
}
companion object {
const val kind = 16
fun create(boostedPost: EventInterface, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): GenericRepostEvent {
val content = boostedPost.toJson()
val replyToPost = listOf("e", boostedPost.id())
val replyToAuthor = listOf("p", boostedPost.pubKey())
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
var tags: List<List<String>> = listOf(replyToPost, replyToAuthor)
if (boostedPost is AddressableEvent) {
tags = tags + listOf(listOf("a", boostedPost.address().toTag()))
}
tags = tags + listOf(listOf("k", "${boostedPost.kind()}"))
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return GenericRepostEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/GiftWrapEvent.kt
-85
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@@ -1,85 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.hexToByteArray
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
import com.vitorpamplona.amethyst.service.EncryptedInfo
import com.vitorpamplona.amethyst.service.Nip44Version
import com.vitorpamplona.amethyst.service.relays.Client
@Immutable
class GiftWrapEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
@Transient
private var cachedInnerEvent: Map<HexKey, Event?> = mapOf()
fun cachedGift(privKey: ByteArray): Event? {
val hex = privKey.toHexKey()
if (cachedInnerEvent.contains(hex)) return cachedInnerEvent[hex]
val myInnerEvent = unwrap(privKey = privKey)
cachedInnerEvent = cachedInnerEvent + Pair(hex, myInnerEvent)
return myInnerEvent
}
fun unwrap(privKey: ByteArray) = try {
plainContent(privKey)?.let { fromJson(it, Client.lenient) }
} catch (e: Exception) {
// Log.e("UnwrapError", "Couldn't Decrypt the content", e)
null
}
private fun plainContent(privKey: ByteArray): String? {
if (content.isBlank()) return null
return try {
val toDecrypt = gson.fromJson(content, EncryptedInfo::class.java)
return when (toDecrypt.v) {
Nip44Version.NIP04.versionCode -> CryptoUtils.decryptNIP04(toDecrypt, privKey, pubKey.hexToByteArray())
Nip44Version.NIP24.versionCode -> CryptoUtils.decryptNIP24(toDecrypt, privKey, pubKey.hexToByteArray())
else -> null
}
} catch (e: Exception) {
Log.w("GeneralList", "Error decrypting the message ${e.message}")
null
}
}
fun recipientPubKey() = tags.firstOrNull { it.size > 1 && it[0] == "p" }?.get(1)
companion object {
const val kind = 1059
fun create(
event: Event,
recipientPubKey: HexKey,
createdAt: Long = TimeUtils.randomWithinAWeek()
): GiftWrapEvent {
val privateKey = CryptoUtils.privkeyCreate() // GiftWrap is always a random key
val sharedSecret = CryptoUtils.getSharedSecretNIP24(privateKey, recipientPubKey.hexToByteArray())
val content = gson.toJson(
CryptoUtils.encryptNIP24(
gson.toJson(event),
sharedSecret
)
)
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags = listOf(listOf("p", recipientPubKey))
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return GiftWrapEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/HTTPAuthorizationEvent.kt
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@@ -1,46 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class HTTPAuthorizationEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
companion object {
const val kind = 27235
fun create(
url: String,
method: String,
body: String? = null,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): HTTPAuthorizationEvent {
var hash = ""
body?.let {
hash = CryptoUtils.sha256(it.toByteArray()).toHexKey()
}
val tags = listOfNotNull(
listOf("u", url),
listOf("method", method),
listOf("payload", hash)
)
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = generateId(pubKey, createdAt, kind, tags, "")
val sig = CryptoUtils.sign(id, privateKey)
return HTTPAuthorizationEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/HighlightEvent.kt
-40
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@@ -1,40 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class HighlightEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : BaseTextNoteEvent(id, pubKey, createdAt, kind, tags, content, sig) {
fun inUrl() = taggedUrls().firstOrNull()
fun author() = taggedUsers().firstOrNull()
fun quote() = content
fun inPost() = taggedAddresses().firstOrNull()
companion object {
const val kind = 9802
fun create(
msg: String,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): HighlightEvent {
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags = mutableListOf<List<String>>()
val id = generateId(pubKey, createdAt, kind, tags, msg)
val sig = CryptoUtils.sign(id, privateKey)
return HighlightEvent(id.toHexKey(), pubKey, createdAt, tags, msg, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/LiveActivitiesChatMessageEvent.kt
-86
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@@ -1,86 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class LiveActivitiesChatMessageEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : BaseTextNoteEvent(id, pubKey, createdAt, kind, tags, content, sig) {
private fun innerActivity() = tags.firstOrNull {
it.size > 3 && it[0] == "a" && it[3] == "root"
} ?: tags.firstOrNull {
it.size > 1 && it[0] == "a"
}
private fun activityHex() = innerActivity()?.let {
it.getOrNull(1)
}
fun activity() = innerActivity()?.let {
if (it.size > 1) {
val aTagValue = it[1]
val relay = it.getOrNull(2)
ATag.parse(aTagValue, relay)
} else {
null
}
}
override fun replyTos() = taggedEvents().minus(activityHex() ?: "")
companion object {
const val kind = 1311
fun create(
message: String,
activity: ATag,
replyTos: List<String>? = null,
mentions: List<String>? = null,
zapReceiver: String?,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now(),
markAsSensitive: Boolean,
zapRaiserAmount: Long?,
geohash: String? = null
): LiveActivitiesChatMessageEvent {
val content = message
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags = mutableListOf(
listOf("a", activity.toTag(), "", "root")
)
replyTos?.forEach {
tags.add(listOf("e", it))
}
mentions?.forEach {
tags.add(listOf("p", it))
}
zapReceiver?.let {
tags.add(listOf("zap", it))
}
if (markAsSensitive) {
tags.add(listOf("content-warning", ""))
}
zapRaiserAmount?.let {
tags.add(listOf("zapraiser", "$it"))
}
geohash?.let {
tags.add(listOf("g", it))
}
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return LiveActivitiesChatMessageEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/LiveActivitiesEvent.kt
-60
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@@ -1,60 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class LiveActivitiesEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
override fun address() = ATag(kind, pubKey, dTag(), null)
fun title() = tags.firstOrNull { it.size > 1 && it[0] == "title" }?.get(1)
fun summary() = tags.firstOrNull { it.size > 1 && it[0] == "summary" }?.get(1)
fun image() = tags.firstOrNull { it.size > 1 && it[0] == "image" }?.get(1)
fun streaming() = tags.firstOrNull { it.size > 1 && it[0] == "streaming" }?.get(1)
fun starts() = tags.firstOrNull { it.size > 1 && it[0] == "starts" }?.get(1)?.toLongOrNull()
fun ends() = tags.firstOrNull { it.size > 1 && it[0] == "ends" }?.get(1)
fun status() = checkStatus(tags.firstOrNull { it.size > 1 && it[0] == "status" }?.get(1))
fun currentParticipants() = tags.firstOrNull { it.size > 1 && it[0] == "current_participants" }?.get(1)
fun totalParticipants() = tags.firstOrNull { it.size > 1 && it[0] == "total_participants" }?.get(1)
fun participants() = tags.filter { it.size > 1 && it[0] == "p" }.map { Participant(it[1], it.getOrNull(3)) }
fun checkStatus(eventStatus: String?): String? {
return if (eventStatus == STATUS_LIVE && createdAt < TimeUtils.eightHoursAgo()) {
STATUS_ENDED
} else {
eventStatus
}
}
companion object {
const val kind = 30311
const val STATUS_LIVE = "live"
const val STATUS_PLANNED = "planned"
const val STATUS_ENDED = "ended"
fun create(
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): LiveActivitiesEvent {
val tags = mutableListOf<List<String>>()
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = generateId(pubKey, createdAt, kind, tags, "")
val sig = CryptoUtils.sign(id, privateKey)
return LiveActivitiesEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/LnZapEvent.kt
-76
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@@ -1,76 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.service.lnurl.LnInvoiceUtil
import com.vitorpamplona.amethyst.service.relays.Client
@Immutable
class LnZapEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : LnZapEventInterface, Event(id, pubKey, createdAt, kind, tags, content, sig) {
// This event is also kept in LocalCache (same object)
@Transient val zapRequest: LnZapRequestEvent?
override fun containedPost(): LnZapRequestEvent? = try {
description()?.ifBlank { null }?.let {
fromJson(it, Client.lenient)
} as? LnZapRequestEvent
} catch (e: Exception) {
Log.e("LnZapEvent", "Failed to Parse Contained Post ${description()}", e)
null
}
init {
zapRequest = containedPost()
}
override fun zappedPost() = tags.filter { it.size > 1 && it[0] == "e" }.map { it[1] }
override fun zappedAuthor() = tags.filter { it.size > 1 && it[0] == "p" }.map { it[1] }
override fun zappedPollOption(): Int? = try {
zapRequest?.tags?.firstOrNull { it.size > 1 && it[0] == POLL_OPTION }?.get(1)?.toInt()
} catch (e: Exception) {
Log.e("LnZapEvent", "ZappedPollOption failed to parse", e)
null
}
override fun zappedRequestAuthor(): String? = zapRequest?.pubKey()
override fun amount() = amount
// Keeps this as a field because it's a heavier function used everywhere.
val amount by lazy {
try {
lnInvoice()?.let { LnInvoiceUtil.getAmountInSats(it) }
} catch (e: Exception) {
Log.e("LnZapEvent", "Failed to Parse LnInvoice ${description()}", e)
null
}
}
override fun content(): String {
return content
}
fun lnInvoice() = tags.firstOrNull { it.size > 1 && it[0] == "bolt11" }?.get(1)
private fun description() = tags.firstOrNull { it.size > 1 && it[0] == "description" }?.get(1)
companion object {
const val kind = 9735
}
enum class ZapType() {
PUBLIC,
PRIVATE,
ANONYMOUS,
NONZAP
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/LnZapEventInterface.kt
-20
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@@ -1,20 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import java.math.BigDecimal
@Immutable
interface LnZapEventInterface : EventInterface {
fun zappedPost(): List<String>
fun zappedPollOption(): Int?
fun zappedAuthor(): List<String>
fun zappedRequestAuthor(): String?
fun amount(): BigDecimal?
fun containedPost(): Event?
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/LnZapPaymentRequestEvent.kt
-116
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@@ -1,116 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.google.gson.JsonDeserializationContext
import com.google.gson.JsonDeserializer
import com.google.gson.JsonElement
import com.google.gson.JsonParseException
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.hexToByteArray
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
import java.lang.reflect.Type
@Immutable
class LnZapPaymentRequestEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
// Once one of an app user decrypts the payment, all users else can see it.
@Transient
private var lnInvoice: String? = null
fun walletServicePubKey() = tags.firstOrNull() { it.size > 1 && it[0] == "p" }?.get(1)
fun lnInvoice(privKey: ByteArray, pubkey: ByteArray): String? {
if (lnInvoice != null) {
return lnInvoice
}
return try {
val sharedSecret = CryptoUtils.getSharedSecretNIP04(privKey, pubkey)
val jsonText = CryptoUtils.decryptNIP04(content, sharedSecret)
val payInvoiceMethod = gson.fromJson(jsonText, Request::class.java)
lnInvoice = (payInvoiceMethod as? PayInvoiceMethod)?.params?.invoice
return lnInvoice
} catch (e: Exception) {
Log.w("BookmarkList", "Error decrypting the message ${e.message}")
null
}
}
companion object {
const val kind = 23194
fun create(
lnInvoice: String,
walletServicePubkey: String,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): LnZapPaymentRequestEvent {
val pubKey = CryptoUtils.pubkeyCreate(privateKey)
val serializedRequest = gson.toJson(PayInvoiceMethod.create(lnInvoice))
val content = CryptoUtils.encryptNIP04(
serializedRequest,
privateKey,
walletServicePubkey.hexToByteArray()
)
val tags = mutableListOf<List<String>>()
tags.add(listOf("p", walletServicePubkey))
val id = generateId(pubKey.toHexKey(), createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return LnZapPaymentRequestEvent(id.toHexKey(), pubKey.toHexKey(), createdAt, tags, content, sig.toHexKey())
}
}
}
// REQUEST OBJECTS
abstract class Request(var method: String? = null)
// PayInvoice Call
class PayInvoiceParams(var invoice: String? = null)
class PayInvoiceMethod(var params: PayInvoiceParams? = null) : Request("pay_invoice") {
companion object {
fun create(bolt11: String): PayInvoiceMethod {
return PayInvoiceMethod(PayInvoiceParams(bolt11))
}
}
}
class RequestDeserializer :
JsonDeserializer<Request?> {
@Throws(JsonParseException::class)
override fun deserialize(
json: JsonElement,
typeOfT: Type,
context: JsonDeserializationContext
): Request? {
val jsonObject = json.asJsonObject
val method = jsonObject.get("method")?.asString
if (method == "pay_invoice") {
return context.deserialize<PayInvoiceMethod>(jsonObject, PayInvoiceMethod::class.java)
}
return null
}
companion object {
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/LnZapPaymentResponseEvent.kt
-141
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@@ -1,141 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.google.gson.JsonDeserializationContext
import com.google.gson.JsonDeserializer
import com.google.gson.JsonElement
import com.google.gson.JsonParseException
import com.google.gson.annotations.SerializedName
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
import java.lang.reflect.Type
@Immutable
class LnZapPaymentResponseEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
// Once one of an app user decrypts the payment, all users else can see it.
@Transient
private var response: Response? = null
fun requestAuthor() = tags.firstOrNull() { it.size > 1 && it[0] == "p" }?.get(1)
fun requestId() = tags.firstOrNull() { it.size > 1 && it[0] == "e" }?.get(1)
private fun decrypt(privKey: ByteArray, pubKey: ByteArray): String? {
return try {
val sharedSecret = CryptoUtils.getSharedSecretNIP04(privKey, pubKey)
val retVal = CryptoUtils.decryptNIP04(content, sharedSecret)
if (retVal.startsWith(PrivateDmEvent.nip18Advertisement)) {
retVal.substring(16)
} else {
retVal
}
} catch (e: Exception) {
Log.w("PrivateDM", "Error decrypting the message ${e.message}")
null
}
}
fun response(privKey: ByteArray, pubKey: ByteArray): Response? {
if (response != null) response
return try {
if (content.isNotEmpty()) {
val decrypted = decrypt(privKey, pubKey)
response = gson.fromJson(decrypted, Response::class.java)
response
} else {
null
}
} catch (e: Exception) {
Log.w("LnZapPaymentResponseEvent", "Can't parse content as a payment response: $content", e)
null
}
}
companion object {
const val kind = 23195
}
}
// RESPONSE OBJECTS
abstract class Response(
@SerializedName("result_type")
val resultType: String
)
// PayInvoice Call
class PayInvoiceSuccessResponse(val result: PayInvoiceResultParams? = null) :
Response("pay_invoice") {
class PayInvoiceResultParams(val preimage: String)
}
class PayInvoiceErrorResponse(val error: PayInvoiceErrorParams? = null) :
Response("pay_invoice") {
class PayInvoiceErrorParams(val code: ErrorType?, val message: String?)
enum class ErrorType {
@SerializedName(value = "rate_limited", alternate = ["RATE_LIMITED"])
RATE_LIMITED, // The client is sending commands too fast. It should retry in a few seconds.
@SerializedName(value = "not_implemented", alternate = ["NOT_IMPLEMENTED"])
NOT_IMPLEMENTED, // The command is not known or is intentionally not implemented.
@SerializedName(value = "insufficient_balance", alternate = ["INSUFFICIENT_BALANCE"])
INSUFFICIENT_BALANCE, // The wallet does not have enough funds to cover a fee reserve or the payment amount.
@SerializedName(value = "quota_exceeded", alternate = ["QUOTA_EXCEEDED"])
QUOTA_EXCEEDED, // The wallet has exceeded its spending quota.
@SerializedName(value = "restricted", alternate = ["RESTRICTED"])
RESTRICTED, // This public key is not allowed to do this operation.
@SerializedName(value = "unauthorized", alternate = ["UNAUTHORIZED"])
UNAUTHORIZED, // This public key has no wallet connected.
@SerializedName(value = "internal", alternate = ["INTERNAL"])
INTERNAL, // An internal error.
@SerializedName(value = "other", alternate = ["OTHER"])
OTHER // Other error.
}
}
class ResponseDeserializer :
JsonDeserializer<Response?> {
@Throws(JsonParseException::class)
override fun deserialize(
json: JsonElement,
typeOfT: Type,
context: JsonDeserializationContext
): Response? {
val jsonObject = json.asJsonObject
val resultType = jsonObject.get("result_type")?.asString
if (resultType == "pay_invoice") {
val result = jsonObject.get("result")?.asJsonObject
val error = jsonObject.get("error")?.asJsonObject
if (result != null) {
return context.deserialize<PayInvoiceSuccessResponse>(jsonObject, PayInvoiceSuccessResponse::class.java)
}
if (error != null) {
return context.deserialize<PayInvoiceErrorResponse>(jsonObject, PayInvoiceErrorResponse::class.java)
}
} else {
// tries to guess
if (jsonObject.get("result")?.asJsonObject?.get("preimage") != null) {
return context.deserialize<PayInvoiceSuccessResponse>(jsonObject, PayInvoiceSuccessResponse::class.java)
}
if (jsonObject.get("error")?.asJsonObject?.get("code") != null) {
return context.deserialize<PayInvoiceErrorResponse>(jsonObject, PayInvoiceErrorResponse::class.java)
}
}
return null
}
companion object {
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/LnZapRequestEvent.kt
-180
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@@ -1,180 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.*
import com.vitorpamplona.amethyst.service.Bech32
import com.vitorpamplona.amethyst.service.CryptoUtils
import java.nio.charset.Charset
import java.security.SecureRandom
import javax.crypto.BadPaddingException
import javax.crypto.Cipher
import javax.crypto.spec.IvParameterSpec
import javax.crypto.spec.SecretKeySpec
@Immutable
class LnZapRequestEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
@Transient
private var privateZapEvent: Event? = null
fun zappedPost() = tags.filter { it.size > 1 && it[0] == "e" }.map { it[1] }
fun zappedAuthor() = tags.filter { it.size > 1 && it[0] == "p" }.map { it[1] }
fun isPrivateZap() = tags.any { t -> t.size >= 2 && t[0] == "anon" && t[1].isNotBlank() }
fun getPrivateZapEvent(loggedInUserPrivKey: ByteArray, pubKey: HexKey): Event? {
if (privateZapEvent != null) return privateZapEvent
val anonTag = tags.firstOrNull { t -> t.size >= 2 && t[0] == "anon" }
if (anonTag != null) {
val encnote = anonTag[1]
if (encnote.isNotBlank()) {
try {
val note = decryptPrivateZapMessage(encnote, loggedInUserPrivKey, pubKey.hexToByteArray())
val decryptedEvent = fromJson(note)
if (decryptedEvent.kind == 9733) {
privateZapEvent = decryptedEvent
return privateZapEvent
}
} catch (e: Exception) {
e.printStackTrace()
}
}
}
return null
}
companion object {
const val kind = 9734
fun create(
originalNote: EventInterface,
relays: Set<String>,
privateKey: ByteArray,
pollOption: Int?,
message: String,
zapType: LnZapEvent.ZapType,
createdAt: Long = TimeUtils.now()
): LnZapRequestEvent {
var content = message
var privkey = privateKey
var pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
var tags = listOf(
listOf("e", originalNote.id()),
listOf("p", originalNote.pubKey()),
listOf("relays") + relays
)
if (originalNote is AddressableEvent) {
tags = tags + listOf(listOf("a", originalNote.address().toTag()))
}
if (pollOption != null && pollOption >= 0) {
tags = tags + listOf(listOf(POLL_OPTION, pollOption.toString()))
}
if (zapType == LnZapEvent.ZapType.ANONYMOUS) {
tags = tags + listOf(listOf("anon", ""))
privkey = CryptoUtils.privkeyCreate()
pubKey = CryptoUtils.pubkeyCreate(privkey).toHexKey()
} else if (zapType == LnZapEvent.ZapType.PRIVATE) {
var encryptionPrivateKey = createEncryptionPrivateKey(privateKey.toHexKey(), originalNote.id(), createdAt)
var noteJson = (create(privkey, 9733, listOf(tags[0], tags[1]), message)).toJson()
var encryptedContent = encryptPrivateZapMessage(noteJson, encryptionPrivateKey, originalNote.pubKey().hexToByteArray())
tags = tags + listOf(listOf("anon", encryptedContent))
content = "" // make sure public content is empty, as the content is encrypted
privkey = encryptionPrivateKey // sign event with generated privkey
pubKey = CryptoUtils.pubkeyCreate(encryptionPrivateKey).toHexKey() // updated event with according pubkey
}
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privkey)
return LnZapRequestEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
fun create(
userHex: String,
relays: Set<String>,
privateKey: ByteArray,
message: String,
zapType: LnZapEvent.ZapType,
createdAt: Long = TimeUtils.now()
): LnZapRequestEvent {
var content = message
var privkey = privateKey
var pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
var tags = listOf(
listOf("p", userHex),
listOf("relays") + relays
)
if (zapType == LnZapEvent.ZapType.ANONYMOUS) {
privkey = CryptoUtils.privkeyCreate()
pubKey = CryptoUtils.pubkeyCreate(privkey).toHexKey()
tags = tags + listOf(listOf("anon", ""))
} else if (zapType == LnZapEvent.ZapType.PRIVATE) {
var encryptionPrivateKey = createEncryptionPrivateKey(privateKey.toHexKey(), userHex, createdAt)
var noteJson = (create(privkey, 9733, listOf(tags[0], tags[1]), message)).toJson()
var encryptedContent = encryptPrivateZapMessage(noteJson, encryptionPrivateKey, userHex.hexToByteArray())
tags = tags + listOf(listOf("anon", encryptedContent))
content = ""
privkey = encryptionPrivateKey
pubKey = CryptoUtils.pubkeyCreate(encryptionPrivateKey).toHexKey()
}
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privkey)
return LnZapRequestEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
fun createEncryptionPrivateKey(privkey: String, id: String, createdAt: Long): ByteArray {
var str = privkey + id + createdAt.toString()
var strbyte = str.toByteArray(Charset.forName("utf-8"))
return CryptoUtils.sha256(strbyte)
}
private fun encryptPrivateZapMessage(msg: String, privkey: ByteArray, pubkey: ByteArray): String {
var sharedSecret = CryptoUtils.getSharedSecretNIP04(privkey, pubkey)
val iv = ByteArray(16)
SecureRandom().nextBytes(iv)
val keySpec = SecretKeySpec(sharedSecret, "AES")
val ivSpec = IvParameterSpec(iv)
var utf8message = msg.toByteArray(Charset.forName("utf-8"))
val cipher = Cipher.getInstance("AES/CBC/PKCS5Padding")
cipher.init(Cipher.ENCRYPT_MODE, keySpec, ivSpec)
val encryptedMsg = cipher.doFinal(utf8message)
val encryptedMsgBech32 = Bech32.encode("pzap", Bech32.eight2five(encryptedMsg), Bech32.Encoding.Bech32)
val ivBech32 = Bech32.encode("iv", Bech32.eight2five(iv), Bech32.Encoding.Bech32)
return encryptedMsgBech32 + "_" + ivBech32
}
private fun decryptPrivateZapMessage(msg: String, privkey: ByteArray, pubkey: ByteArray): String {
var sharedSecret = CryptoUtils.getSharedSecretNIP04(privkey, pubkey)
if (sharedSecret.size != 16 && sharedSecret.size != 32) {
throw IllegalArgumentException("Invalid shared secret size")
}
val parts = msg.split("_")
if (parts.size != 2) {
throw IllegalArgumentException("Invalid message format")
}
val iv = parts[1].run { Bech32.decode(this).second }
val encryptedMsg = parts.first().run { Bech32.decode(this).second }
val encryptedBytes = Bech32.five2eight(encryptedMsg, 0)
val cipher = Cipher.getInstance("AES/CBC/PKCS5Padding")
cipher.init(Cipher.DECRYPT_MODE, SecretKeySpec(sharedSecret, "AES"), IvParameterSpec(Bech32.five2eight(iv, 0)))
try {
val decryptedMsgBytes = cipher.doFinal(encryptedBytes)
return String(decryptedMsgBytes)
} catch (ex: BadPaddingException) {
throw IllegalArgumentException("Bad padding: ${ex.message}")
}
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/LongTextNoteEvent.kt
-49
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@@ -1,49 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class LongTextNoteEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : BaseTextNoteEvent(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
override fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
override fun address() = ATag(kind, pubKey, dTag(), null)
fun topics() = tags.filter { it.firstOrNull() == "t" }.mapNotNull { it.getOrNull(1) }
fun title() = tags.filter { it.firstOrNull() == "title" }.mapNotNull { it.getOrNull(1) }.firstOrNull()
fun image() = tags.filter { it.firstOrNull() == "image" }.mapNotNull { it.getOrNull(1) }.firstOrNull()
fun summary() = tags.filter { it.firstOrNull() == "summary" }.mapNotNull { it.getOrNull(1) }.firstOrNull()
fun publishedAt() = try {
tags.firstOrNull { it.size > 1 && it[0] == "published_at" }?.get(1)?.toLongOrNull()
} catch (_: Exception) {
null
}
companion object {
const val kind = 30023
fun create(msg: String, replyTos: List<String>?, mentions: List<String>?, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): LongTextNoteEvent {
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags = mutableListOf<List<String>>()
replyTos?.forEach {
tags.add(listOf("e", it))
}
mentions?.forEach {
tags.add(listOf("p", it))
}
val id = generateId(pubKey, createdAt, kind, tags, msg)
val sig = CryptoUtils.sign(id, privateKey)
return LongTextNoteEvent(id.toHexKey(), pubKey, createdAt, tags, msg, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/MetadataEvent.kt
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@@ -1,187 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Stable
import com.fasterxml.jackson.databind.DeserializationFeature
import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
import com.google.gson.Gson
import com.vitorpamplona.amethyst.R
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.UserMetadata
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
import java.io.ByteArrayInputStream
@Stable
abstract class IdentityClaim(
val identity: String,
val proof: String
) {
abstract fun toProofUrl(): String
abstract fun toIcon(): Int
abstract fun toDescriptor(): Int
abstract fun platform(): String
fun platformIdentity() = "${platform()}:$identity"
companion object {
fun create(platformIdentity: String, proof: String): IdentityClaim? {
val (platform, identity) = platformIdentity.split(':')
return when (platform.lowercase()) {
GitHubIdentity.platform -> GitHubIdentity(identity, proof)
TwitterIdentity.platform -> TwitterIdentity(identity, proof)
TelegramIdentity.platform -> TelegramIdentity(identity, proof)
MastodonIdentity.platform -> MastodonIdentity(identity, proof)
else -> throw IllegalArgumentException("Platform $platform not supported")
}
}
}
}
class GitHubIdentity(
identity: String,
proof: String
) : IdentityClaim(identity, proof) {
override fun toProofUrl() = "https://gist.github.com/$identity/$proof"
override fun platform() = platform
override fun toIcon() = R.drawable.github
override fun toDescriptor() = R.string.github
companion object {
val platform = "github"
fun parseProofUrl(proofUrl: String): GitHubIdentity? {
return try {
if (proofUrl.isBlank()) return null
val path = proofUrl.removePrefix("https://gist.github.com/").split("?")[0].split("/")
GitHubIdentity(path[0], path[1])
} catch (e: Exception) {
null
}
}
}
}
class TwitterIdentity(
identity: String,
proof: String
) : IdentityClaim(identity, proof) {
override fun toProofUrl() = "https://twitter.com/$identity/status/$proof"
override fun platform() = platform
override fun toIcon() = R.drawable.twitter
override fun toDescriptor() = R.string.twitter
companion object {
val platform = "twitter"
fun parseProofUrl(proofUrl: String): TwitterIdentity? {
return try {
if (proofUrl.isBlank()) return null
val path = proofUrl.removePrefix("https://twitter.com/").split("?")[0].split("/")
TwitterIdentity(path[0], path[2])
} catch (e: Exception) {
null
}
}
}
}
class TelegramIdentity(
identity: String,
proof: String
) : IdentityClaim(identity, proof) {
override fun toProofUrl() = "https://t.me/$proof"
override fun platform() = platform
override fun toIcon() = R.drawable.telegram
override fun toDescriptor() = R.string.telegram
companion object {
val platform = "telegram"
}
}
class MastodonIdentity(
identity: String,
proof: String
) : IdentityClaim(identity, proof) {
override fun toProofUrl() = "https://$identity/$proof"
override fun platform() = platform
override fun toIcon() = R.drawable.mastodon
override fun toDescriptor() = R.string.mastodon
companion object {
val platform = "mastodon"
fun parseProofUrl(proofUrl: String): MastodonIdentity? {
return try {
if (proofUrl.isBlank()) return null
val path = proofUrl.removePrefix("https://").split("?")[0].split("/")
return MastodonIdentity("${path[0]}/${path[1]}", path[2])
} catch (e: Exception) {
null
}
}
}
}
class MetadataEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
fun contactMetaData() = try {
metadataParser.readValue(
ByteArrayInputStream(content.toByteArray(Charsets.UTF_8)),
UserMetadata::class.java
)
} catch (e: Exception) {
// e.printStackTrace()
Log.w("MT", "Content Parse Error: ${e.localizedMessage} $content")
null
}
fun identityClaims() = tags.filter { it.firstOrNull() == "i" }.mapNotNull {
try {
IdentityClaim.create(it.get(1), it.get(2))
} catch (e: Exception) {
Log.e("MetadataEvent", "Can't parse identity [${it.joinToString { "," }}]", e)
null
}
}
companion object {
const val kind = 0
val gson = Gson()
val metadataParser by lazy {
jacksonObjectMapper()
.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
.readerFor(UserMetadata::class.java)
}
fun create(contactMetaData: String, identities: List<IdentityClaim>, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): MetadataEvent {
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags = mutableListOf<List<String>>()
identities.forEach {
tags.add(listOf("i", it.platformIdentity(), it.proof))
}
val id = generateId(pubKey, createdAt, kind, tags, contactMetaData)
val sig = CryptoUtils.sign(id, privateKey)
return MetadataEvent(id.toHexKey(), pubKey, createdAt, tags, contactMetaData, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/MuteListEvent.kt
-112
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@@ -1,112 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.google.gson.reflect.TypeToken
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.hexToByteArray
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class MuteListEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
override fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
override fun address() = ATag(kind, pubKey, dTag(), null)
fun plainContent(privKey: ByteArray): String? {
return try {
val sharedSecret = CryptoUtils.getSharedSecretNIP04(privKey, pubKey.hexToByteArray())
return CryptoUtils.decryptNIP04(content, sharedSecret)
} catch (e: Exception) {
Log.w("BookmarkList", "Error decrypting the message ${e.message}")
null
}
}
@Transient
private var privateTagsCache: List<List<String>>? = null
fun privateTags(privKey: ByteArray): List<List<String>>? {
if (privateTagsCache != null) {
return privateTagsCache
}
privateTagsCache = try {
gson.fromJson(plainContent(privKey), object : TypeToken<List<List<String>>>() {}.type)
} catch (e: Throwable) {
Log.w("BookmarkList", "Error parsing the JSON ${e.message}")
null
}
return privateTagsCache
}
fun privateTaggedUsers(privKey: ByteArray) = privateTags(privKey)?.filter { it.firstOrNull() == "p" }?.mapNotNull { it.getOrNull(1) }
fun privateTaggedEvents(privKey: ByteArray) = privateTags(privKey)?.filter { it.firstOrNull() == "e" }?.mapNotNull { it.getOrNull(1) }
fun privateTaggedAddresses(privKey: ByteArray) = privateTags(privKey)?.filter { it.firstOrNull() == "a" }?.mapNotNull {
val aTagValue = it.getOrNull(1)
val relay = it.getOrNull(2)
if (aTagValue != null) ATag.parse(aTagValue, relay) else null
}
companion object {
const val kind = 10000
fun create(
events: List<String>? = null,
users: List<String>? = null,
addresses: List<ATag>? = null,
privEvents: List<String>? = null,
privUsers: List<String>? = null,
privAddresses: List<ATag>? = null,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): MuteListEvent {
val pubKey = CryptoUtils.pubkeyCreate(privateKey)
val privTags = mutableListOf<List<String>>()
privEvents?.forEach {
privTags.add(listOf("e", it))
}
privUsers?.forEach {
privTags.add(listOf("p", it))
}
privAddresses?.forEach {
privTags.add(listOf("a", it.toTag()))
}
val msg = gson.toJson(privTags)
val content = CryptoUtils.encryptNIP04(
msg,
privateKey,
pubKey
)
val tags = mutableListOf<List<String>>()
events?.forEach {
tags.add(listOf("e", it))
}
users?.forEach {
tags.add(listOf("p", it))
}
addresses?.forEach {
tags.add(listOf("a", it.toTag()))
}
val id = generateId(pubKey.toHexKey(), createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return MuteListEvent(id.toHexKey(), pubKey.toHexKey(), createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/NIP24Factory.kt
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@@ -1,88 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
class NIP24Factory {
fun createMsgNIP24(
msg: String,
to: List<HexKey>,
from: ByteArray,
subject: String? = null,
replyTos: List<String>? = null,
mentions: List<String>? = null,
zapReceiver: String? = null,
markAsSensitive: Boolean = false,
zapRaiserAmount: Long? = null,
geohash: String? = null
): List<GiftWrapEvent> {
val senderPublicKey = CryptoUtils.pubkeyCreate(from).toHexKey()
val senderMessage = ChatMessageEvent.create(
msg = msg,
to = to,
privateKey = from,
subject = subject,
replyTos = replyTos,
mentions = mentions,
zapReceiver = zapReceiver,
markAsSensitive = markAsSensitive,
zapRaiserAmount = zapRaiserAmount,
geohash = geohash
)
return to.plus(senderPublicKey).map {
GiftWrapEvent.create(
event = SealedGossipEvent.create(
event = senderMessage,
encryptTo = it,
privateKey = from
),
recipientPubKey = it
)
}
}
fun createReactionWithinGroup(content: String, originalNote: EventInterface, to: List<HexKey>, from: ByteArray): List<GiftWrapEvent> {
val senderPublicKey = CryptoUtils.pubkeyCreate(from).toHexKey()
val senderReaction = ReactionEvent.create(
content,
originalNote,
from
)
return to.plus(senderPublicKey).map {
GiftWrapEvent.create(
event = SealedGossipEvent.create(
event = senderReaction,
encryptTo = it,
privateKey = from
),
recipientPubKey = it
)
}
}
fun createReactionWithinGroup(emojiUrl: EmojiUrl, originalNote: EventInterface, to: List<HexKey>, from: ByteArray): List<GiftWrapEvent> {
val senderPublicKey = CryptoUtils.pubkeyCreate(from).toHexKey()
val senderReaction = ReactionEvent.create(
emojiUrl,
originalNote,
from
)
return to.plus(senderPublicKey).map {
GiftWrapEvent.create(
event = SealedGossipEvent.create(
event = senderReaction,
encryptTo = it,
privateKey = from
),
recipientPubKey = it
)
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/NNSEvent.kt
-40
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@@ -1,40 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class NNSEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
override fun address() = ATag(kind, pubKey, dTag(), null)
fun ip4() = tags.firstOrNull { it.size > 1 && it[0] == "ip4" }?.get(1)
fun ip6() = tags.firstOrNull { it.size > 1 && it[0] == "ip6" }?.get(1)
fun version() = tags.firstOrNull { it.size > 1 && it[0] == "version" }?.get(1)
companion object {
const val kind = 30053
fun create(
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): NNSEvent {
val tags = mutableListOf<List<String>>()
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = generateId(pubKey, createdAt, kind, tags, "")
val sig = CryptoUtils.sign(id, privateKey)
return NNSEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/PeopleListEvent.kt
-150
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@@ -1,150 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
import kotlinx.collections.immutable.ImmutableSet
import kotlinx.collections.immutable.persistentSetOf
import kotlinx.collections.immutable.toImmutableSet
@Immutable
class PeopleListEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : GeneralListEvent(id, pubKey, createdAt, kind, tags, content, sig) {
var publicAndPrivateUserCache: ImmutableSet<HexKey>? = null
fun publicAndPrivateUsers(privateKey: ByteArray?): ImmutableSet<HexKey> {
publicAndPrivateUserCache?.let {
return it
}
val privateUserList = privateKey?.let {
privateTagsOrEmpty(privKey = it).filter { it.size > 1 && it[0] == "p" }.map { it[1] }.toSet()
} ?: emptySet()
val publicUserList = tags.filter { it.size > 1 && it[0] == "p" }.map { it[1] }.toSet()
publicAndPrivateUserCache = (privateUserList + publicUserList).toImmutableSet()
return publicAndPrivateUserCache ?: persistentSetOf()
}
fun isTaggedUser(idHex: String, isPrivate: Boolean, privateKey: ByteArray): Boolean {
return if (isPrivate) {
privateTagsOrEmpty(privKey = privateKey).any { it.size > 1 && it[0] == "p" && it[1] == idHex }
} else {
isTaggedUser(idHex)
}
}
companion object {
const val kind = 30000
const val blockList = "mute"
fun createListWithUser(name: String, pubKeyHex: String, isPrivate: Boolean, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): PeopleListEvent {
return if (isPrivate) {
create(
content = encryptTags(listOf(listOf("p", pubKeyHex)), privateKey),
tags = listOf(listOf("d", name)),
privateKey = privateKey,
createdAt = createdAt
)
} else {
create(
content = "",
tags = listOf(listOf("d", name), listOf("p", pubKeyHex)),
privateKey = privateKey,
createdAt = createdAt
)
}
}
fun addUsers(earlierVersion: PeopleListEvent, listPubKeyHex: List<String>, isPrivate: Boolean, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): PeopleListEvent {
return if (isPrivate) {
create(
content = encryptTags(
privateTags = earlierVersion.privateTagsOrEmpty(privKey = privateKey).plus(
listPubKeyHex.map {
listOf("p", it)
}
),
privateKey = privateKey
),
tags = earlierVersion.tags,
privateKey = privateKey,
createdAt = createdAt
)
} else {
create(
content = earlierVersion.content,
tags = earlierVersion.tags.plus(
listPubKeyHex.map {
listOf("p", it)
}
),
privateKey = privateKey,
createdAt = createdAt
)
}
}
fun addUser(earlierVersion: PeopleListEvent, pubKeyHex: String, isPrivate: Boolean, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): PeopleListEvent {
if (earlierVersion.isTaggedUser(pubKeyHex, isPrivate, privateKey)) return earlierVersion
return if (isPrivate) {
create(
content = encryptTags(
privateTags = earlierVersion.privateTagsOrEmpty(privKey = privateKey).plus(element = listOf("p", pubKeyHex)),
privateKey = privateKey
),
tags = earlierVersion.tags,
privateKey = privateKey,
createdAt = createdAt
)
} else {
create(
content = earlierVersion.content,
tags = earlierVersion.tags.plus(element = listOf("p", pubKeyHex)),
privateKey = privateKey,
createdAt = createdAt
)
}
}
fun removeUser(earlierVersion: PeopleListEvent, pubKeyHex: String, isPrivate: Boolean, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): PeopleListEvent {
if (!earlierVersion.isTaggedUser(pubKeyHex, isPrivate, privateKey)) return earlierVersion
return if (isPrivate) {
create(
content = encryptTags(
privateTags = earlierVersion.privateTagsOrEmpty(privKey = privateKey).filter { it.size > 1 && it[1] != pubKeyHex },
privateKey = privateKey
),
tags = earlierVersion.tags.filter { it.size > 1 && it[1] != pubKeyHex },
privateKey = privateKey,
createdAt = createdAt
)
} else {
create(
content = earlierVersion.content,
tags = earlierVersion.tags.filter { it.size > 1 && it[1] != pubKeyHex },
privateKey = privateKey,
createdAt = createdAt
)
}
}
fun create(content: String, tags: List<List<String>>, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): PeopleListEvent {
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return PeopleListEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/PinListEvent.kt
-43
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@@ -1,43 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class PinListEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
override fun address() = ATag(kind, pubKey, dTag(), null)
fun pins() = tags.filter { it.size > 1 && it[0] == "pin" }.map { it[1] }
companion object {
const val kind = 33888
fun create(
pins: List<String>,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): PinListEvent {
val tags = mutableListOf<List<String>>()
pins.forEach {
tags.add(listOf("pin", it))
}
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = generateId(pubKey, createdAt, kind, tags, "")
val sig = CryptoUtils.sign(id, privateKey)
return PinListEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/PollNoteEvent.kt
-119
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@@ -1,119 +0,0 @@
package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
const val POLL_OPTION = "poll_option"
const val VALUE_MAXIMUM = "value_maximum"
const val VALUE_MINIMUM = "value_minimum"
const val CONSENSUS_THRESHOLD = "consensus_threshold"
const val CLOSED_AT = "closed_at"
@Immutable
class PollNoteEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
// ots: String?, TODO implement OTS: https://github.com/opentimestamps/java-opentimestamps
content: String,
sig: HexKey
) : BaseTextNoteEvent(id, pubKey, createdAt, kind, tags, content, sig) {
fun pollOptions() =
tags.filter { it.size > 2 && it[0] == POLL_OPTION }
.associate { it[1].toInt() to it[2] }
fun getTagInt(property: String): Int? {
val number = tags.firstOrNull() { it.size > 1 && it[0] == property }?.get(1)
return if (number.isNullOrBlank() || number == "null") {
null
} else {
number.toInt()
}
}
companion object {
const val kind = 6969
fun create(
msg: String,
replyTos: List<String>?,
mentions: List<String>?,
addresses: List<ATag>?,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now(),
pollOptions: Map<Int, String>,
valueMaximum: Int?,
valueMinimum: Int?,
consensusThreshold: Int?,
closedAt: Int?,
zapReceiver: String?,
markAsSensitive: Boolean,
zapRaiserAmount: Long?,
geohash: String? = null
): PollNoteEvent {
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags = mutableListOf<List<String>>()
replyTos?.forEach {
tags.add(listOf("e", it))
}
mentions?.forEach {
tags.add(listOf("p", it))
}
addresses?.forEach {
tags.add(listOf("a", it.toTag()))
}
pollOptions.forEach { poll_op ->
tags.add(listOf(POLL_OPTION, poll_op.key.toString(), poll_op.value))
}
tags.add(listOf(VALUE_MAXIMUM, valueMaximum.toString()))
tags.add(listOf(VALUE_MINIMUM, valueMinimum.toString()))
tags.add(listOf(CONSENSUS_THRESHOLD, consensusThreshold.toString()))
tags.add(listOf(CLOSED_AT, closedAt.toString()))
if (zapReceiver != null) {
tags.add(listOf("zap", zapReceiver))
}
if (markAsSensitive) {
tags.add(listOf("content-warning", ""))
}
zapRaiserAmount?.let {
tags.add(listOf("zapraiser", "$it"))
}
geohash?.let {
tags.add(listOf("g", it))
}
val id = generateId(pubKey, createdAt, kind, tags, msg)
val sig = CryptoUtils.sign(id, privateKey)
return PollNoteEvent(id.toHexKey(), pubKey, createdAt, tags, msg, sig.toHexKey())
}
}
}
/*
{
"id": <32-bytes lowercase hex-encoded sha256 of the serialized event data>
"pubkey": <32-bytes lowercase hex-encoded public key of the event creator>,
"created_at": <unix timestamp in seconds>,
"kind": 6969,
"tags": [
["e", <32-bytes hex of the id of the poll event>, <primary poll host relay URL>],
["p", <32-bytes hex of the key>, <primary poll host relay URL>],
["poll_option", "0", "poll option 0 description string"],
["poll_option", "1", "poll option 1 description string"],
["poll_option", "n", "poll option <n> description string"],
["value_maximum", "maximum satoshi value for inclusion in tally"],
["value_minimum", "minimum satoshi value for inclusion in tally"],
["consensus_threshold", "required percentage to attain consensus <0..100>"],
["closed_at", "unix timestamp in seconds"],
],
"ots": <base64-encoded OTS file data>
"content": <primary poll description string>,
"sig": <64-bytes hex of the signature of the sha256 hash of the serialized event data, which is the same as the "id" field>
}
*/
app/src/main/java/com/vitorpamplona/amethyst/service/model/PrivateDmEvent.kt
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package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.ChatroomKey
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
import com.vitorpamplona.amethyst.service.HexValidator
import fr.acinq.secp256k1.Hex
import kotlinx.collections.immutable.persistentSetOf
@Immutable
class PrivateDmEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), ChatroomKeyable {
/**
* This may or may not be the actual recipient's pub key. The event is intended to look like a
* nip-04 EncryptedDmEvent but may omit the recipient, too. This value can be queried and used
* for initial messages.
*/
private fun recipientPubKey() = tags.firstOrNull { it.size > 1 && it[0] == "p" }?.get(1)
fun recipientPubKeyBytes() = recipientPubKey()?.runCatching { Hex.decode(this) }?.getOrNull()
fun verifiedRecipientPubKey(): HexKey? {
val recipient = recipientPubKey()
return if (HexValidator.isHex(recipient)) {
recipient
} else {
null
}
}
fun talkingWith(oneSideHex: String): HexKey {
return if (pubKey == oneSideHex) verifiedRecipientPubKey() ?: pubKey else pubKey
}
override fun chatroomKey(toRemove: String): ChatroomKey {
return ChatroomKey(persistentSetOf(talkingWith(toRemove)))
}
/**
* To be fully compatible with nip-04, we read e-tags that are in violation to nip-18.
*
* Nip-18 messages should refer to other events by inline references in the content like
* `[](e/c06f795e1234a9a1aecc731d768d4f3ca73e80031734767067c82d67ce82e506).
*/
fun replyTo() = tags.firstOrNull { it.size > 1 && it[0] == "e" }?.get(1)
fun with(pubkeyHex: String): Boolean {
return pubkeyHex == pubKey ||
tags.any { it.size > 1 && it[0] == "p" && it[1] == pubkeyHex }
}
fun plainContent(privKey: ByteArray, pubKey: ByteArray): String? {
return try {
val sharedSecret = CryptoUtils.getSharedSecretNIP04(privKey, pubKey)
val retVal = CryptoUtils.decryptNIP04(content, sharedSecret)
if (retVal.startsWith(nip18Advertisement)) {
retVal.substring(16)
} else {
retVal
}
} catch (e: Exception) {
Log.w("PrivateDM", "Error decrypting the message ${e.message}")
null
}
}
companion object {
const val kind = 4
const val nip18Advertisement = "[//]: # (nip18)\n"
fun create(
recipientPubKey: ByteArray,
msg: String,
replyTos: List<String>? = null,
mentions: List<String>? = null,
zapReceiver: String?,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now(),
publishedRecipientPubKey: ByteArray? = null,
advertiseNip18: Boolean = true,
markAsSensitive: Boolean,
zapRaiserAmount: Long?,
geohash: String? = null
): PrivateDmEvent {
val content = CryptoUtils.encryptNIP04(
if (advertiseNip18) { nip18Advertisement } else { "" } + msg,
privateKey,
recipientPubKey
)
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags = mutableListOf<List<String>>()
publishedRecipientPubKey?.let {
tags.add(listOf("p", publishedRecipientPubKey.toHexKey()))
}
replyTos?.forEach {
tags.add(listOf("e", it))
}
mentions?.forEach {
tags.add(listOf("p", it))
}
zapReceiver?.let {
tags.add(listOf("zap", it))
}
if (markAsSensitive) {
tags.add(listOf("content-warning", ""))
}
zapRaiserAmount?.let {
tags.add(listOf("zapraiser", "$it"))
}
geohash?.let {
tags.add(listOf("g", it))
}
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return PrivateDmEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/ReactionEvent.kt
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package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class ReactionEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
fun originalPost() = tags.filter { it.size > 1 && it[0] == "e" }.map { it[1] }
fun originalAuthor() = tags.filter { it.size > 1 && it[0] == "p" }.map { it[1] }
companion object {
const val kind = 7
fun createWarning(originalNote: EventInterface, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ReactionEvent {
return create("\u26A0\uFE0F", originalNote, privateKey, createdAt)
}
fun createLike(originalNote: EventInterface, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ReactionEvent {
return create("+", originalNote, privateKey, createdAt)
}
fun create(content: String, originalNote: EventInterface, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ReactionEvent {
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
var tags = listOf(listOf("e", originalNote.id()), listOf("p", originalNote.pubKey()))
if (originalNote is AddressableEvent) {
tags = tags + listOf(listOf("a", originalNote.address().toTag()))
}
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return ReactionEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
fun create(emojiUrl: EmojiUrl, originalNote: EventInterface, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ReactionEvent {
val content = ":${emojiUrl.code}:"
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
var tags = listOf(
listOf("e", originalNote.id()),
listOf("p", originalNote.pubKey()),
listOf("emoji", emojiUrl.code, emojiUrl.url)
)
if (originalNote is AddressableEvent) {
tags = tags + listOf(listOf("a", originalNote.address().toTag()))
}
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return ReactionEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/RecommendRelayEvent.kt
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package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
import java.net.URI
@Immutable
class RecommendRelayEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey,
val lenient: Boolean = false
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
fun relay() = if (lenient) {
URI.create(content.trim())
} else {
URI.create(content)
}
companion object {
const val kind = 2
fun create(relay: URI, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): RecommendRelayEvent {
val content = relay.toString()
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags = listOf<List<String>>()
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return RecommendRelayEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/RelayAuthEvent.kt
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package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class RelayAuthEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
fun relay() = tags.firstOrNull() { it.size > 1 && it[0] == "relay" }?.get(1)
fun challenge() = tags.firstOrNull() { it.size > 1 && it[0] == "challenge" }?.get(1)
companion object {
const val kind = 22242
fun create(relay: String, challenge: String, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): RelayAuthEvent {
val content = ""
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags = listOf(
listOf("relay", relay),
listOf("challenge", challenge)
)
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return RelayAuthEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/RelaySetEvent.kt
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package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
class RelaySetEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
override fun address() = ATag(kind, pubKey, dTag(), null)
fun relays() = tags.filter { it.size > 1 && it[0] == "r" }.map { it[1] }
fun description() = tags.firstOrNull() { it.size > 1 && it[0] == "description" }?.get(1)
companion object {
const val kind = 30022
fun create(
relays: List<String>,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): RelaySetEvent {
val tags = mutableListOf<List<String>>()
relays.forEach {
tags.add(listOf("r", it))
}
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val id = generateId(pubKey, createdAt, kind, tags, "")
val sig = CryptoUtils.sign(id, privateKey)
return RelaySetEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/ReportEvent.kt
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package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
@Immutable
data class ReportedKey(val key: String, val reportType: ReportEvent.ReportType)
// NIP 56 event.
@Immutable
class ReportEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
private fun defaultReportType(): ReportType {
// Works with old and new structures for report.
var reportType = tags.filter { it.firstOrNull() == "report" }.mapNotNull { it.getOrNull(1) }.map { ReportType.valueOf(it.uppercase()) }.firstOrNull()
if (reportType == null) {
reportType = tags.mapNotNull { it.getOrNull(2) }.map { ReportType.valueOf(it.uppercase()) }.firstOrNull()
}
if (reportType == null) {
reportType = ReportType.SPAM
}
return reportType
}
fun reportedPost() = tags
.filter { it.size > 1 && it[0] == "e" }
.map {
ReportedKey(
it[1],
it.getOrNull(2)?.uppercase()?.let { it1 -> ReportType.valueOf(it1) } ?: defaultReportType()
)
}
fun reportedAuthor() = tags
.filter { it.size > 1 && it[0] == "p" }
.map {
ReportedKey(
it[1],
it.getOrNull(2)?.uppercase()?.let { it1 -> ReportType.valueOf(it1) } ?: defaultReportType()
)
}
companion object {
const val kind = 1984
fun create(
reportedPost: EventInterface,
type: ReportType,
privateKey: ByteArray,
content: String = "",
createdAt: Long = TimeUtils.now()
): ReportEvent {
val reportPostTag = listOf("e", reportedPost.id(), type.name.lowercase())
val reportAuthorTag = listOf("p", reportedPost.pubKey(), type.name.lowercase())
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
var tags: List<List<String>> = listOf(reportPostTag, reportAuthorTag)
if (reportedPost is AddressableEvent) {
tags = tags + listOf(listOf("a", reportedPost.address().toTag()))
}
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return ReportEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
fun create(reportedUser: String, type: ReportType, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): ReportEvent {
val content = ""
val reportAuthorTag = listOf("p", reportedUser, type.name.lowercase())
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags: List<List<String>> = listOf(reportAuthorTag)
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return ReportEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
enum class ReportType() {
EXPLICIT, // Not used anymore.
ILLEGAL,
SPAM,
IMPERSONATION,
NUDITY,
PROFANITY
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/RepostEvent.kt
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package com.vitorpamplona.amethyst.service.model
import androidx.compose.runtime.Immutable
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
import com.vitorpamplona.amethyst.service.relays.Client
@Immutable
class RepostEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
fun boostedPost() = taggedEvents()
fun originalAuthor() = taggedUsers()
fun containedPost() = try {
fromJson(content, Client.lenient)
} catch (e: Exception) {
null
}
companion object {
const val kind = 6
fun create(boostedPost: EventInterface, privateKey: ByteArray, createdAt: Long = TimeUtils.now()): RepostEvent {
val content = boostedPost.toJson()
val replyToPost = listOf("e", boostedPost.id())
val replyToAuthor = listOf("p", boostedPost.pubKey())
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
var tags: List<List<String>> = listOf(replyToPost, replyToAuthor)
if (boostedPost is AddressableEvent) {
tags = tags + listOf(listOf("a", boostedPost.address().toTag()))
}
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return RepostEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
app/src/main/java/com/vitorpamplona/amethyst/service/model/SealedGossipEvent.kt
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package com.vitorpamplona.amethyst.service.model
import android.util.Log
import androidx.compose.runtime.Immutable
import com.google.gson.annotations.SerializedName
import com.vitorpamplona.amethyst.model.HexKey
import com.vitorpamplona.amethyst.model.TimeUtils
import com.vitorpamplona.amethyst.model.hexToByteArray
import com.vitorpamplona.amethyst.model.toHexKey
import com.vitorpamplona.amethyst.service.CryptoUtils
import com.vitorpamplona.amethyst.service.EncryptedInfo
import com.vitorpamplona.amethyst.service.Nip44Version
import com.vitorpamplona.amethyst.service.relays.Client
@Immutable
class SealedGossipEvent(
id: HexKey,
pubKey: HexKey,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: HexKey
) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
@Transient
private var cachedInnerEvent: Map<HexKey, Event?> = mapOf()
fun cachedGossip(privKey: ByteArray): Event? {
val hex = privKey.toHexKey()
if (cachedInnerEvent.contains(hex)) return cachedInnerEvent[hex]
val gossip = unseal(privKey = privKey)
val event = gossip?.mergeWith(this)
cachedInnerEvent = cachedInnerEvent + Pair(hex, event)
return event
}
fun unseal(privKey: ByteArray): Gossip? = try {
plainContent(privKey)?.let { gson.fromJson(it, Gossip::class.java) }
} catch (e: Exception) {
Log.w("GossipEvent", "Fail to decrypt or parse Gossip", e)
null
}
private fun plainContent(privKey: ByteArray): String? {
if (content.isBlank()) return null
return try {
val toDecrypt = gson.fromJson(content, EncryptedInfo::class.java)
return when (toDecrypt.v) {
Nip44Version.NIP04.versionCode -> CryptoUtils.decryptNIP04(toDecrypt, privKey, pubKey.hexToByteArray())
Nip44Version.NIP24.versionCode -> CryptoUtils.decryptNIP24(toDecrypt, privKey, pubKey.hexToByteArray())
else -> null
}
} catch (e: Exception) {
Log.w("GossipEvent", "Error decrypting the message ${e.message}")
null
}
}
companion object {
const val kind = 13
fun create(
event: Event,
encryptTo: HexKey,
privateKey: ByteArray,
createdAt: Long = TimeUtils.now()
): SealedGossipEvent {
val gossip = Gossip.create(event)
return create(gossip, encryptTo, privateKey, createdAt)
}
fun create(
gossip: Gossip,
encryptTo: HexKey,
privateKey: ByteArray,
createdAt: Long = TimeUtils.randomWithinAWeek()
): SealedGossipEvent {
val sharedSecret = CryptoUtils.getSharedSecretNIP24(privateKey, encryptTo.hexToByteArray())
val content = gson.toJson(
CryptoUtils.encryptNIP24(
gson.toJson(gossip),
sharedSecret
)
)
val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
val tags = listOf<List<String>>()
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = CryptoUtils.sign(id, privateKey)
return SealedGossipEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
}
}
}
class Gossip(
val id: HexKey?,
@SerializedName("pubkey")
val pubKey: HexKey?,
@SerializedName("created_at")
val createdAt: Long?,
val kind: Int?,
val tags: List<List<String>>?,
val content: String?
) {
fun mergeWith(event: SealedGossipEvent): Event {
val newPubKey = pubKey?.ifBlank { null } ?: event.pubKey
val newCreatedAt = if (createdAt != null && createdAt > 1000) createdAt else event.createdAt
val newKind = kind ?: -1
val newTags = (tags ?: emptyList()).plus(event.tags)
val newContent = content ?: ""
val newID = id?.ifBlank { null } ?: Event.generateId(newPubKey, newCreatedAt, newKind, newTags, newContent).toHexKey()
val sig = ""
return EventFactory.create(newID, newPubKey, newCreatedAt, newKind, newTags, newContent, sig, Client.lenient)
}
companion object {
fun create(event: Event): Gossip {
return Gossip(event.id, event.pubKey, event.createdAt, event.kind, event.tags, event.content)
}
}
}

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