Files
sparrow/src/main/java/com/sparrowwallet/sparrow/control/MessageSignDialog.java
T

788 lines
35 KiB
Java

package com.sparrowwallet.sparrow.control;
import com.google.common.eventbus.Subscribe;
import com.sparrowwallet.drongo.KeyDerivation;
import com.sparrowwallet.drongo.OsType;
import com.sparrowwallet.drongo.SecureString;
import com.sparrowwallet.drongo.address.Address;
import com.sparrowwallet.drongo.address.InvalidAddressException;
import com.sparrowwallet.drongo.crypto.Bip322;
import com.sparrowwallet.drongo.crypto.ECKey;
import com.sparrowwallet.drongo.policy.PolicyType;
import com.sparrowwallet.drongo.protocol.ScriptType;
import com.sparrowwallet.drongo.psbt.PSBT;
import com.sparrowwallet.drongo.psbt.PSBTInput;
import com.sparrowwallet.drongo.wallet.*;
import com.sparrowwallet.hummingbird.registry.CryptoPSBT;
import com.sparrowwallet.sparrow.io.bbqr.BBQR;
import com.sparrowwallet.sparrow.io.bbqr.BBQRType;
import com.sparrowwallet.sparrow.AppServices;
import com.sparrowwallet.sparrow.EventManager;
import com.sparrowwallet.sparrow.event.*;
import com.sparrowwallet.sparrow.glyphfont.FontAwesome5;
import com.sparrowwallet.sparrow.glyphfont.FontAwesome5Brands;
import com.sparrowwallet.sparrow.io.Storage;
import javafx.application.Platform;
import javafx.scene.Node;
import javafx.scene.control.*;
import javafx.scene.layout.VBox;
import javafx.stage.FileChooser;
import javafx.stage.Stage;
import org.controlsfx.control.SegmentedButton;
import org.controlsfx.glyphfont.Glyph;
import org.controlsfx.validation.ValidationResult;
import org.controlsfx.validation.ValidationSupport;
import org.controlsfx.validation.decoration.StyleClassValidationDecoration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import tornadofx.control.Field;
import tornadofx.control.Fieldset;
import tornadofx.control.Form;
import java.io.*;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.security.SignatureException;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static com.sparrowwallet.sparrow.AppServices.showErrorDialog;
public class MessageSignDialog extends Dialog<ButtonBar.ButtonData> {
private static final Logger log = LoggerFactory.getLogger(MessageSignDialog.class);
private static final Pattern signedMessagePattern = Pattern.compile("-----BEGIN BITCOIN SIGNED MESSAGE-----\\r?\\n(.*)\\r?\\n-----BEGIN BITCOIN SIGNATURE-----\\r?\\n(.*)\\r?\\n(.*)\\r?\\n-----END BITCOIN SIGNATURE-----\r?\n?");
private final TextField address;
private final TextArea message;
private final TextArea signature;
private final ToggleGroup formatGroup;
private final ToggleButton formatTrezor;
private final ToggleButton formatElectrum;
private final ToggleButton formatBip322;
private final Wallet wallet;
private WalletNode walletNode;
private boolean canSign;
private boolean closed;
/**
* Verification only constructor
*/
public MessageSignDialog() {
this(null, null);
}
/**
* Sign and verify with user entered address
*
* @param wallet Wallet to sign with
*/
public MessageSignDialog(Wallet wallet) {
this(wallet, null);
}
/**
* Sign and verify with preset address
*
* @param wallet Wallet to sign with
* @param walletNode Wallet node to derive address from
*/
public MessageSignDialog(Wallet wallet, WalletNode walletNode) {
this(wallet, walletNode, null, null);
}
/**
* Sign and verify with preset address, and supplied title, message and dialog buttons
*
* @param wallet Wallet to sign with
* @param walletNode Wallet node to derive address from
* @param title Header text of dialog
* @param msg Message to sign (all fields will be made uneditable)
* @param buttons The dialog buttons to display. If one contains the text "sign" it will trigger the signing process
*/
public MessageSignDialog(Wallet wallet, WalletNode walletNode, String title, String msg, ButtonType... buttons) {
if(walletNode != null) {
checkWalletSigning(walletNode.getWallet());
this.canSign = canSign(walletNode.getWallet());
}
if(wallet != null) {
checkWalletSigning(wallet);
this.canSign = canSign(wallet);
}
this.wallet = wallet;
this.walletNode = walletNode;
final DialogPane dialogPane = new MessageSignDialogPane();
setDialogPane(dialogPane);
dialogPane.getStylesheets().add(AppServices.class.getResource("general.css").toExternalForm());
dialogPane.getStylesheets().add(AppServices.class.getResource("dialog.css").toExternalForm());
AppServices.setStageIcon(dialogPane.getScene().getWindow());
dialogPane.setHeaderText(title == null ? (wallet == null ? "Verify Message" : "Sign/Verify Message") : title);
dialogPane.setGraphic(new WalletModelImage(WalletModel.SEED));
VBox vBox = new VBox();
vBox.setSpacing(20);
Form form = new Form();
Fieldset fieldset = new Fieldset();
fieldset.setText("");
fieldset.setSpacing(10);
Field addressField = new Field();
addressField.setText("Address:");
address = new TextField();
address.getStyleClass().add("id");
address.setEditable(walletNode == null);
address.setTooltip(new Tooltip("Only singlesig addresses can sign"));
address.setSkin(new AddressTextFieldSkin(address));
addressField.getInputs().add(address);
if(walletNode != null) {
address.setText(walletNode.getAddress().toString());
}
Field messageField = new Field();
messageField.setText("Message:");
message = new TextArea();
message.setWrapText(true);
message.setPrefRowCount(8);
message.setStyle("-fx-pref-height: 160px");
messageField.getInputs().add(message);
Field signatureField = new Field();
signatureField.setText("Signature:");
signature = new TextArea();
signature.getStyleClass().add("id");
signature.setPrefRowCount(4);
signature.setStyle("-fx-pref-height: 80px");
signature.setWrapText(true);
signature.setOnMouseClicked(event -> signature.selectAll());
signatureField.getInputs().add(signature);
Field formatField = new Field();
formatField.setText("Format:");
formatGroup = new ToggleGroup();
formatElectrum = new ToggleButton("Standard (Electrum)");
formatTrezor = new ToggleButton("BIP137 (Trezor)");
formatBip322 = new ToggleButton("BIP322 (Simple)");
SegmentedButton formatButtons = new SegmentedButton(formatElectrum, formatTrezor, formatBip322);
formatButtons.setToggleGroup(formatGroup);
formatField.getInputs().add(formatButtons);
fieldset.getChildren().addAll(addressField, messageField, signatureField, formatField);
form.getChildren().add(fieldset);
dialogPane.setContent(form);
if(msg != null) {
message.setText(msg);
address.setEditable(false);
message.setEditable(false);
signature.setEditable(false);
formatButtons.setDisable(true);
}
ButtonType showQrButtonType = new javafx.scene.control.ButtonType("Sign by QR", ButtonBar.ButtonData.LEFT);
ButtonType signButtonType = new javafx.scene.control.ButtonType("Sign", ButtonBar.ButtonData.BACK_PREVIOUS);
ButtonType verifyButtonType = new javafx.scene.control.ButtonType("Verify", ButtonBar.ButtonData.NEXT_FORWARD);
ButtonType doneButtonType = new javafx.scene.control.ButtonType("Done", ButtonBar.ButtonData.CANCEL_CLOSE);
if(buttons.length > 0) {
dialogPane.getButtonTypes().addAll(buttons);
ButtonType customSignButtonType = Arrays.stream(buttons).filter(buttonType -> buttonType.getText().toLowerCase(Locale.ROOT).contains("sign")).findFirst().orElse(null);
if(customSignButtonType != null) {
Button customSignButton = (Button)dialogPane.lookupButton(customSignButtonType);
customSignButton.setDefaultButton(true);
customSignButton.setOnAction(event -> {
customSignButton.setDisable(true);
signMessage();
setResult(ButtonBar.ButtonData.OK_DONE);
});
}
} else {
dialogPane.getButtonTypes().addAll(showQrButtonType, signButtonType, verifyButtonType, doneButtonType);
Node showQrButton = dialogPane.lookupButton(showQrButtonType);
Button signButton = (Button) dialogPane.lookupButton(signButtonType);
signButton.setDisable(!canSign);
signButton.setGraphic(getGlyph(getSignGlyph()));
signButton.setGraphicTextGap(5);
signButton.setOnAction(event -> {
signMessage();
});
Button verifyButton = (Button) dialogPane.lookupButton(verifyButtonType);
verifyButton.setDefaultButton(false);
verifyButton.setOnAction(event -> {
verifyMessage();
});
boolean validAddress = isValidAddress();
showQrButton.setDisable(!validAddress || (wallet == null));
signButton.setDisable(!validAddress || !canSign);
verifyButton.setDisable(!validAddress);
ValidationSupport validationSupport = new ValidationSupport();
Platform.runLater(() -> {
validationSupport.setValidationDecorator(new StyleClassValidationDecoration());
validationSupport.registerValidator(address, (Control c, String newValue) -> ValidationResult.fromErrorIf(c, "Invalid address", !isValidAddress()));
});
address.textProperty().addListener((observable, oldValue, newValue) -> {
boolean valid = isValidAddress();
showQrButton.setDisable(!valid || (wallet == null));
signButton.setDisable(!valid || !canSign);
verifyButton.setDisable(!valid);
if(valid) {
try {
Address address = getAddress();
setFormatFromScriptType(address.getScriptType());
if(wallet != null) {
setWalletNodeFromAddress(wallet, address);
if(walletNode != null) {
setFormatFromScriptType(walletNode.getWallet().getScriptType());
}
}
} catch(InvalidAddressException e) {
//can't happen
}
}
});
formatGroup.selectedToggleProperty().addListener((_, _, newVal) -> {
if(wallet != null) {
boolean canSignSelectedFormat = canSignAllFormats(wallet) || newVal == formatElectrum;
signButton.setDisable(!isValidAddress() || !canSign || !canSignSelectedFormat);
}
});
}
EventManager.get().register(this);
setOnCloseRequest(event -> {
if(ButtonBar.ButtonData.APPLY.equals(getResult())) {
event.consume();
return;
}
if(!closed) {
EventManager.get().unregister(this);
closed = true;
}
});
AppServices.onEscapePressed(dialogPane.getScene(), () -> setResult(ButtonBar.ButtonData.CANCEL_CLOSE));
AppServices.moveToActiveWindowScreen(this);
setResultConverter(dialogButton -> dialogButton == signButtonType || dialogButton == verifyButtonType ? ButtonBar.ButtonData.APPLY : dialogButton.getButtonData());
Platform.runLater(() -> {
if(address.getText().isEmpty()) {
address.requestFocus();
} else if(message.getText().isEmpty()) {
message.requestFocus();
}
if(wallet != null && walletNode != null) {
setFormatFromScriptType(walletNode.getWallet().getScriptType());
} else {
formatGroup.selectToggle(formatElectrum);
}
});
}
private void checkWalletSigning(Wallet wallet) {
if(wallet.getKeystores().size() != 1 || (wallet.getPolicyType() != PolicyType.SINGLE_HD && wallet.getPolicyType() != PolicyType.SINGLE_SP)) {
throw new IllegalArgumentException("Cannot sign messages using this wallet type");
}
}
private boolean canSign(Wallet wallet) {
return wallet.getKeystores().getFirst().hasPrivateKey()
|| wallet.getKeystores().getFirst().getSource() == KeystoreSource.HW_USB
|| wallet.getKeystores().getFirst().getWalletModel().isCard();
}
private boolean canSignAllFormats(Wallet wallet) {
return wallet.getKeystores().getFirst().hasPrivateKey();
}
private Address getAddress()throws InvalidAddressException {
return Address.fromString(address.getText());
}
public String getSignature() {
return signature.getText();
}
private boolean isValidAddress() {
try {
Address address = getAddress();
return address.getScriptType().isAllowed(PolicyType.SINGLE_HD) || address.getScriptType() == ScriptType.P2SH;
} catch (InvalidAddressException e) {
return false;
}
}
private void setWalletNodeFromAddress(Wallet wallet, Address address) {
walletNode = wallet.getWalletAddresses().get(address);
}
private void setFormatFromScriptType(ScriptType scriptType) {
formatElectrum.setDisable(scriptType == ScriptType.P2TR);
formatTrezor.setDisable(scriptType == ScriptType.P2TR || scriptType == ScriptType.P2PKH);
formatBip322.setDisable(scriptType != ScriptType.P2WPKH && scriptType != ScriptType.P2TR);
if(scriptType == ScriptType.P2TR) {
formatGroup.selectToggle(formatBip322);
} else if(formatGroup.getSelectedToggle() == null || scriptType == ScriptType.P2PKH || (scriptType != ScriptType.P2WPKH && formatBip322.isSelected())) {
formatGroup.selectToggle(formatElectrum);
}
}
private boolean isBip322() {
return formatBip322.isSelected();
}
private boolean isElectrumSignatureFormat() {
return formatElectrum.isSelected();
}
private void signMessage() {
if(walletNode == null) {
AppServices.showErrorDialog("Address not in wallet", "The provided address is not present in the currently selected wallet.");
return;
}
if(!canSign) {
AppServices.showErrorDialog("Wallet can't sign", "This wallet cannot sign a message.");
return;
}
//Note we can expect a single keystore due to the check in the constructor
Wallet signingWallet = walletNode.getWallet();
if(signingWallet.getKeystores().getFirst().hasPrivateKey()) {
if(signingWallet.isEncrypted()) {
EventManager.get().post(new RequestOpenWalletsEvent());
} else {
signUnencryptedKeystore(signingWallet);
}
} else if(signingWallet.containsSource(KeystoreSource.HW_USB) || wallet.getKeystores().get(0).getWalletModel().isCard()) {
signDeviceKeystore(signingWallet);
}
}
private void signUnencryptedKeystore(Wallet decryptedWallet) {
try {
Keystore keystore = decryptedWallet.getKeystores().getFirst();
String signatureText;
if(decryptedWallet.getPolicyType() == PolicyType.SINGLE_SP) {
ECKey spendPrivKey = keystore.getSpendPrivateKey(Collections.emptyMap());
signatureText = Bip322.signMessageBip322Sp(walletNode.getAddress(), message.getText().trim(), spendPrivKey, walletNode.getSilentPaymentTweak());
spendPrivKey.clear();
} else {
ECKey privKey = keystore.getKey(walletNode);
if(isBip322()) {
ScriptType scriptType = decryptedWallet.getScriptType();
signatureText = Bip322.signMessageBip322(scriptType, message.getText().trim(), privKey);
} else {
ScriptType scriptType = isElectrumSignatureFormat() ? ScriptType.P2PKH : decryptedWallet.getScriptType();
signatureText = privKey.signMessage(message.getText().trim(), scriptType);
}
privKey.clear();
}
signature.clear();
signature.appendText(signatureText);
} catch(Exception e) {
log.error("Could not sign message", e);
AppServices.showErrorDialog("Could not sign message", e.getMessage());
}
}
private void signDeviceKeystore(Wallet deviceWallet) {
List<String> fingerprints = List.of(deviceWallet.getKeystores().getFirst().getKeyDerivation().getMasterFingerprint());
KeyDerivation fullDerivation = deviceWallet.getKeystores().getFirst().getKeyDerivation().extend(walletNode.getDerivation());
DeviceSignMessageDialog deviceSignMessageDialog = new DeviceSignMessageDialog(fingerprints, deviceWallet, message.getText().trim(), fullDerivation);
deviceSignMessageDialog.initOwner(getDialogPane().getScene().getWindow());
Optional<String> optSignature = deviceSignMessageDialog.showAndWait();
if(optSignature.isPresent()) {
signature.clear();
signature.appendText(optSignature.get());
}
}
private void verifyMessage() {
try {
//Find ECKey from message and signature
//http://www.secg.org/download/aid-780/sec1-v2.pdf section 4.1.6
boolean verified = false;
try {
ECKey signedMessageKey = ECKey.signedMessageToKey(message.getText().trim(), signature.getText().trim(), true);
verified = verifyMessage(signedMessageKey);
if(verified) {
formatGroup.selectToggle(formatElectrum);
}
} catch(SignatureException e) {
//ignore
}
if(!verified) {
try {
ECKey electrumSignedMessageKey = ECKey.signedMessageToKey(message.getText(), signature.getText(), false);
verified = verifyMessage(electrumSignedMessageKey);
if(verified) {
formatGroup.selectToggle(formatTrezor);
}
} catch(SignatureException e) {
//ignore
}
}
if(!verified && Bip322.isSupported(getAddress().getScriptType()) && !signature.getText().trim().isEmpty()) {
try {
verified = Bip322.verifyMessageBip322(getAddress().getScriptType(), getAddress(), message.getText().trim(), signature.getText().trim());
if(verified) {
formatGroup.selectToggle(formatBip322);
}
} catch(SignatureException e) {
//ignore
}
}
if(verified) {
AppServices.showSuccessDialog("Verification Succeeded", "The signature verified against the message.");
} else {
AppServices.showErrorDialog("Verification Failed", "The provided signature did not match the message for this address.");
}
} catch(IllegalArgumentException e) {
AppServices.showErrorDialog("Could not verify message", e.getMessage());
} catch(Exception e) {
log.error("Could not verify message", e);
AppServices.showErrorDialog("Could not verify message", e.getMessage());
}
}
private boolean verifyMessage(ECKey signedMessageKey) throws InvalidAddressException, SignatureException {
Address providedAddress = getAddress();
ScriptType scriptType = providedAddress.getScriptType();
if(scriptType == ScriptType.P2SH) {
scriptType = ScriptType.P2SH_P2WPKH;
}
if(!ScriptType.getScriptTypesForPolicyType(PolicyType.SINGLE_HD).contains(scriptType)) {
throw new IllegalArgumentException("Only single signature P2PKH, P2SH-P2WPKH or P2WPKH addresses can verify messages.");
}
Address signedMessageAddress = scriptType.getAddress(PolicyType.SINGLE_HD, signedMessageKey);
return providedAddress.equals(signedMessageAddress);
}
private void showQr() {
if(walletNode == null) {
AppServices.showErrorDialog("Address not in wallet", "The provided address is not present in the currently selected wallet.");
return;
}
if(isBip322()) {
showBip322Qr();
return;
}
//Note we can expect a single keystore due to the check in the constructor
KeyDerivation firstDerivation = walletNode.getWallet().getKeystores().get(0).getKeyDerivation();
String derivationPath = KeyDerivation.writePath(firstDerivation.extend(walletNode.getDerivation()).getDerivation(), false);
String qrText = "signmessage " + derivationPath + " ascii:" + message.getText().trim();
QRDisplayDialog qrDisplayDialog = new QRDisplayDialog(qrText, true);
qrDisplayDialog.initOwner(getDialogPane().getScene().getWindow());
Optional<ButtonType> optButtonType = qrDisplayDialog.showAndWait();
if(optButtonType.isPresent() && optButtonType.get().getButtonData() == ButtonBar.ButtonData.OK_DONE) {
scanQr();
}
}
private void showBip322Qr() {
Wallet signingWallet = walletNode.getWallet();
PSBT psbt = buildBip322Psbt(signingWallet);
byte[] psbtBytes = psbt.getForExport().serialize();
CryptoPSBT cryptoPSBT = new CryptoPSBT(psbtBytes);
BBQR bbqr = new BBQR(BBQRType.PSBT, psbtBytes);
QRDisplayDialog qrDisplayDialog = new QRDisplayDialog(cryptoPSBT.toUR(), bbqr, false, true, QREncoding.UR);
qrDisplayDialog.initOwner(getDialogPane().getScene().getWindow());
Optional<ButtonType> optButtonType = qrDisplayDialog.showAndWait();
if(optButtonType.isPresent() && optButtonType.get().getButtonData() == ButtonBar.ButtonData.OK_DONE) {
scanQr();
}
}
private PSBT buildBip322Psbt(Wallet signingWallet) {
if(signingWallet.getPolicyType() == PolicyType.SINGLE_SP) {
Keystore keystore = signingWallet.getKeystores().getFirst();
ECKey spendPubKey = keystore.getSilentPaymentScanAddress().getSpendKey();
KeyDerivation spendDerivation = new KeyDerivation(keystore.getKeyDerivation().getMasterFingerprint(), KeyDerivation.writePath(KeyDerivation.getBip352SpendDerivation(keystore.getKeyDerivation().getDerivation())));
return Bip322.getBip322PsbtSp(walletNode.getAddress(), message.getText().trim(), walletNode.getSilentPaymentTweak(), Map.of(spendPubKey, spendDerivation));
}
PSBT psbt = Bip322.getBip322Psbt(signingWallet.getScriptType(), walletNode.getAddress(), message.getText().trim());
addBip322DerivationInfo(psbt, signingWallet);
return psbt;
}
private String extractBip322Signature(PSBT signedPsbt) {
Wallet signingWallet = walletNode.getWallet();
if(signingWallet.getPolicyType() == PolicyType.SINGLE_SP) {
return Bip322.getBip322SignatureFromPsbtSp(signedPsbt);
}
ECKey pubKey = signingWallet.getKeystores().getFirst().getPubKey(walletNode);
return Bip322.getBip322SignatureFromPsbt(signingWallet.getScriptType(), signedPsbt, pubKey);
}
private void addBip322DerivationInfo(PSBT psbt, Wallet signingWallet) {
ScriptType scriptType = signingWallet.getScriptType();
PSBTInput psbtInput = psbt.getPsbtInputs().get(0);
Keystore keystore = signingWallet.getKeystores().get(0);
ECKey pubKey = keystore.getPubKey(walletNode);
KeyDerivation fullDerivation = keystore.getKeyDerivation().extend(walletNode.getDerivation());
if(scriptType == ScriptType.P2TR) {
psbtInput.setTapInternalKey(pubKey);
psbtInput.getTapDerivedPublicKeys().put(ECKey.fromPublicOnly(pubKey.getPubKeyXCoord()), Map.of(fullDerivation, Collections.emptyList()));
} else {
psbtInput.getDerivedPublicKeys().put(scriptType.getOutputKey(signingWallet.getPolicyType(), pubKey), fullDerivation);
}
}
private void scanQr() {
QRScanDialog qrScanDialog = new QRScanDialog();
qrScanDialog.initOwner(getDialogPane().getScene().getWindow());
Optional<QRScanDialog.Result> optionalResult = qrScanDialog.showAndWait();
if(optionalResult.isPresent()) {
QRScanDialog.Result result = optionalResult.get();
if(result.psbt != null) {
try {
String sig = extractBip322Signature(result.psbt);
signature.clear();
signature.appendText(sig);
} catch(Exception e) {
log.error("Error extracting BIP-322 signature from PSBT", e);
AppServices.showErrorDialog("Error extracting signature", e.getMessage());
}
} else if(result.payload != null) {
signature.clear();
signature.appendText(result.payload);
} else if(result.exception != null) {
log.error("Error scanning QR", result.exception);
showErrorDialog("Error scanning QR", result.exception.getMessage());
} else {
AppServices.showErrorDialog("Invalid QR Code", "Cannot parse QR code into a signature.");
}
}
}
private void exportFile() {
if(walletNode == null) {
AppServices.showErrorDialog("Address not in wallet", "The provided address is not present in the currently selected wallet.");
return;
}
if(isBip322()) {
exportBip322File();
return;
}
StringJoiner joiner = new StringJoiner("\n");
joiner.add(message.getText().trim().replaceAll("\r*\n*", ""));
//Note we can expect a single keystore due to the check in the constructor
KeyDerivation firstDerivation = walletNode.getWallet().getKeystores().get(0).getKeyDerivation();
joiner.add(KeyDerivation.writePath(firstDerivation.extend(walletNode.getDerivation()).getDerivation(), true));
joiner.add(walletNode.getWallet().getScriptType().toString());
Stage window = new Stage();
FileChooser fileChooser = new FileChooser();
fileChooser.setTitle("Save Text File");
fileChooser.setInitialFileName("signmessage.txt");
AppServices.moveToActiveWindowScreen(window, 800, 450);
File file = fileChooser.showSaveDialog(window);
if(file != null) {
if(!file.getName().toLowerCase(Locale.ROOT).endsWith(".txt")) {
file = new File(file.getAbsolutePath() + ".txt");
}
try(BufferedWriter writer = new BufferedWriter(new FileWriter(file, StandardCharsets.UTF_8))) {
writer.write(joiner.toString());
} catch(IOException e) {
log.error("Error saving signing message", e);
AppServices.showErrorDialog("Error saving signing message", "Cannot write to " + file.getAbsolutePath());
}
}
}
private void exportBip322File() {
Wallet signingWallet = walletNode.getWallet();
PSBT psbt = buildBip322Psbt(signingWallet);
Stage window = new Stage();
FileChooser fileChooser = new FileChooser();
fileChooser.setTitle("Save PSBT File");
fileChooser.setInitialFileName("bip322-signmessage.psbt");
AppServices.moveToActiveWindowScreen(window, 800, 450);
File file = fileChooser.showSaveDialog(window);
if(file != null) {
try(OutputStream os = new FileOutputStream(file)) {
os.write(psbt.getForExport().serialize());
} catch(IOException e) {
log.error("Error saving BIP-322 PSBT", e);
AppServices.showErrorDialog("Error saving PSBT", "Cannot write to " + file.getAbsolutePath());
}
}
}
private void importFile() {
Stage window = new Stage();
FileChooser fileChooser = new FileChooser();
fileChooser.setTitle("Open Signed File");
fileChooser.getExtensionFilters().addAll(
new FileChooser.ExtensionFilter("All Files", OsType.getCurrent().equals(OsType.UNIX) ? "*" : "*.*"),
new FileChooser.ExtensionFilter("Text Files", "*.txt"),
new FileChooser.ExtensionFilter("PSBT Files", "*.psbt")
);
AppServices.moveToActiveWindowScreen(window, 800, 450);
File file = fileChooser.showOpenDialog(window);
if(file != null) {
if(file.getName().toLowerCase(Locale.ROOT).endsWith(".psbt") || isBip322()) {
if(walletNode == null) {
AppServices.showErrorDialog("Address not in wallet", "The provided address is not present in the currently selected wallet.");
return;
}
try {
byte[] psbtBytes = Files.readAllBytes(file.toPath());
PSBT signedPsbt = new PSBT(psbtBytes, false);
String sig = extractBip322Signature(signedPsbt);
signature.clear();
signature.appendText(sig);
return;
} catch(Exception e) {
if(file.getName().toLowerCase(Locale.ROOT).endsWith(".psbt")) {
log.error("Error loading signed PSBT", e);
AppServices.showErrorDialog("Error loading signed PSBT", e.getMessage());
return;
}
//Fall through to text handling for non-.psbt files
}
}
try {
String content = Files.readString(file.toPath(), StandardCharsets.UTF_8);
Matcher matcher = signedMessagePattern.matcher(content);
if(matcher.matches()) {
String signedMessage = matcher.group(1);
String signedAddress = matcher.group(2);
String signedSignature = matcher.group(3);
if(!message.getText().isEmpty() && !signedMessage.trim().equals(message.getText().trim().replaceAll("\r*\n*", ""))) {
AppServices.showErrorDialog("Incorrect Message", "The file contained a different message of:\n\n" + signedMessage);
return;
} else if(!signedAddress.trim().equals(address.getText().trim())) {
AppServices.showErrorDialog("Incorrect Address", "The file contained a different address of:\n\n" + signedAddress);
return;
}
message.setText(signedMessage);
signature.setText(signedSignature);
} else {
signature.setText(content);
}
} catch(IOException e) {
log.error("Error loading signed message", e);
AppServices.showErrorDialog("Error loading signed message", e.getMessage());
}
}
}
protected Glyph getSignGlyph() {
if(wallet != null) {
if(wallet.containsSource(KeystoreSource.HW_USB)) {
return new Glyph(FontAwesome5Brands.FONT_NAME, FontAwesome5Brands.Glyph.USB);
} else if(wallet.getKeystores().get(0).getWalletModel().isCard()) {
return new Glyph(FontAwesome5.FONT_NAME, FontAwesome5.Glyph.WIFI);
}
}
return new Glyph(FontAwesome5.FONT_NAME, FontAwesome5.Glyph.PEN_FANCY);
}
private static Glyph getGlyph(Glyph glyph) {
glyph.setFontSize(11);
return glyph;
}
@Subscribe
public void openWallets(OpenWalletsEvent event) {
Storage storage = event.getStorage(wallet);
if(storage == null) {
//Another window, ignore
return;
}
WalletPasswordDialog dlg = new WalletPasswordDialog(wallet.getMasterName(), WalletPasswordDialog.PasswordRequirement.LOAD);
dlg.initOwner(getDialogPane().getScene().getWindow());
Optional<SecureString> password = dlg.showAndWait();
if(password.isPresent()) {
Storage.DecryptWalletService decryptWalletService = new Storage.DecryptWalletService(walletNode.getWallet().copy(), password.get());
decryptWalletService.setOnSucceeded(workerStateEvent -> {
EventManager.get().post(new StorageEvent(storage.getWalletId(wallet), TimedEvent.Action.END, "Done"));
Wallet decryptedWallet = decryptWalletService.getValue();
signUnencryptedKeystore(decryptedWallet);
decryptedWallet.clearPrivate();
});
decryptWalletService.setOnFailed(workerStateEvent -> {
EventManager.get().post(new StorageEvent(storage.getWalletId(wallet), TimedEvent.Action.END, "Failed"));
AppServices.showErrorDialog("Incorrect Password", "The password was incorrect.");
});
EventManager.get().post(new StorageEvent(storage.getWalletId(wallet), TimedEvent.Action.START, "Decrypting wallet..."));
decryptWalletService.start();
}
}
private class MessageSignDialogPane extends DialogPane {
@Override
protected Node createButton(ButtonType buttonType) {
if(buttonType.getButtonData() == ButtonBar.ButtonData.LEFT) {
SplitMenuButton signByButton = new SplitMenuButton();
signByButton.setText("Sign by QR");
signByButton.setDisable(wallet == null);
signByButton.setGraphic(getGlyph(new Glyph(FontAwesome5.FONT_NAME, FontAwesome5.Glyph.QRCODE)));
signByButton.setGraphicTextGap(5);
signByButton.setOnAction(event -> {
showQr();
});
MenuItem exportFile = new MenuItem("Sign by File...");
exportFile.setGraphic(getGlyph(new Glyph(FontAwesome5.FONT_NAME, FontAwesome5.Glyph.FILE_EXPORT)));
exportFile.setOnAction(event -> {
exportFile();
});
MenuItem importFile = new MenuItem("Load Signed File...");
importFile.setGraphic(getGlyph(new Glyph(FontAwesome5.FONT_NAME, FontAwesome5.Glyph.FILE_IMPORT)));
importFile.setOnAction(event -> {
importFile();
});
signByButton.getItems().addAll(exportFile, importFile);
final ButtonBar.ButtonData buttonData = buttonType.getButtonData();
ButtonBar.setButtonData(signByButton, buttonData);
return signByButton;
}
return super.createButton(buttonType);
}
}
}