Files
ginxsom/src/admin_commands.c
T

743 lines
28 KiB
C

/*
* Ginxsom Admin Commands Implementation
*/
#include "admin_commands.h"
#include "../nostr_core_lib/nostr_core/nostr_core.h"
#include <sqlite3.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
// Forward declare app_log
typedef enum {
LOG_DEBUG = 0,
LOG_INFO = 1,
LOG_WARN = 2,
LOG_ERROR = 3
} log_level_t;
void app_log(log_level_t level, const char* format, ...);
// Global state
static struct {
int initialized;
char db_path[512];
} g_admin_state = {0};
// Initialize admin command system
int admin_commands_init(const char *db_path) {
if (g_admin_state.initialized) {
return 0;
}
strncpy(g_admin_state.db_path, db_path, sizeof(g_admin_state.db_path) - 1);
g_admin_state.initialized = 1;
app_log(LOG_INFO, "Admin command system initialized");
return 0;
}
// NIP-44 encryption helper
int admin_encrypt_response(
const unsigned char* server_privkey,
const unsigned char* admin_pubkey,
const char* plaintext_json,
char* output,
size_t output_size
) {
int result = nostr_nip44_encrypt(
server_privkey,
admin_pubkey,
plaintext_json,
output,
output_size
);
if (result != 0) {
app_log(LOG_ERROR, "Failed to encrypt admin response: %d", result);
return -1;
}
return 0;
}
// NIP-44 decryption helper
int admin_decrypt_command(
const unsigned char* server_privkey,
const unsigned char* admin_pubkey,
const char* encrypted_data,
char* output,
size_t output_size
) {
int result = nostr_nip44_decrypt(
server_privkey,
admin_pubkey,
encrypted_data,
output,
output_size
);
if (result != 0) {
app_log(LOG_ERROR, "Failed to decrypt admin command: %d", result);
return -1;
}
return 0;
}
// Create error response
static cJSON* create_error_response(const char* query_type, const char* error_msg) {
cJSON* response = cJSON_CreateObject();
cJSON_AddStringToObject(response, "query_type", query_type);
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", error_msg);
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
// Process admin command array and generate response
cJSON* admin_commands_process(cJSON* command_array, const char* request_event_id) {
(void)request_event_id; // Reserved for future use (e.g., logging, tracking)
if (!cJSON_IsArray(command_array) || cJSON_GetArraySize(command_array) < 1) {
return create_error_response("unknown", "Invalid command format");
}
cJSON* cmd_type = cJSON_GetArrayItem(command_array, 0);
if (!cJSON_IsString(cmd_type)) {
return create_error_response("unknown", "Command type must be string");
}
const char* command = cmd_type->valuestring;
app_log(LOG_INFO, "Processing admin command: %s", command);
// Route to appropriate handler
if (strcmp(command, "config_query") == 0) {
return admin_cmd_config_query(command_array);
}
else if (strcmp(command, "config_update") == 0) {
return admin_cmd_config_update(command_array);
}
else if (strcmp(command, "stats_query") == 0) {
return admin_cmd_stats_query(command_array);
}
else if (strcmp(command, "system_command") == 0) {
// Check second parameter for system_status
if (cJSON_GetArraySize(command_array) >= 2) {
cJSON* subcmd = cJSON_GetArrayItem(command_array, 1);
if (cJSON_IsString(subcmd) && strcmp(subcmd->valuestring, "system_status") == 0) {
return admin_cmd_system_status(command_array);
}
}
return create_error_response("system_command", "Unknown system command");
}
else if (strcmp(command, "blob_list") == 0) {
return admin_cmd_blob_list(command_array);
}
else if (strcmp(command, "storage_stats") == 0) {
return admin_cmd_storage_stats(command_array);
}
else if (strcmp(command, "sql_query") == 0) {
return admin_cmd_sql_query(command_array);
}
else {
char error_msg[256];
snprintf(error_msg, sizeof(error_msg), "Unknown command: %s", command);
return create_error_response("unknown", error_msg);
}
}
// ============================================================================
// COMMAND HANDLERS (Stub implementations - to be completed)
// ============================================================================
cJSON* admin_cmd_config_query(cJSON* args) {
cJSON* response = cJSON_CreateObject();
cJSON_AddStringToObject(response, "query_type", "config_query");
// Open database
sqlite3* db;
int rc = sqlite3_open_v2(g_admin_state.db_path, &db, SQLITE_OPEN_READONLY, NULL);
if (rc != SQLITE_OK) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Failed to open database");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
// Check if specific keys were requested (args[1] should be array of keys or null for all)
cJSON* keys_array = NULL;
if (cJSON_GetArraySize(args) >= 2) {
keys_array = cJSON_GetArrayItem(args, 1);
if (!cJSON_IsArray(keys_array) && !cJSON_IsNull(keys_array)) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Keys parameter must be array or null");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
sqlite3_close(db);
return response;
}
}
sqlite3_stmt* stmt;
const char* sql;
if (keys_array && cJSON_IsArray(keys_array) && cJSON_GetArraySize(keys_array) > 0) {
// Query specific keys
int key_count = cJSON_GetArraySize(keys_array);
// Build SQL with placeholders
char sql_buffer[1024] = "SELECT key, value, description FROM config WHERE key IN (?";
for (int i = 1; i < key_count && i < 50; i++) { // Limit to 50 keys
strncat(sql_buffer, ",?", sizeof(sql_buffer) - strlen(sql_buffer) - 1);
}
strncat(sql_buffer, ")", sizeof(sql_buffer) - strlen(sql_buffer) - 1);
rc = sqlite3_prepare_v2(db, sql_buffer, -1, &stmt, NULL);
if (rc != SQLITE_OK) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Failed to prepare query");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
sqlite3_close(db);
return response;
}
// Bind keys
for (int i = 0; i < key_count && i < 50; i++) {
cJSON* key_item = cJSON_GetArrayItem(keys_array, i);
if (cJSON_IsString(key_item)) {
sqlite3_bind_text(stmt, i + 1, key_item->valuestring, -1, SQLITE_STATIC);
}
}
} else {
// Query all config values
sql = "SELECT key, value, description FROM config ORDER BY key";
rc = sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
if (rc != SQLITE_OK) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Failed to prepare query");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
sqlite3_close(db);
return response;
}
}
// Execute query and build result
cJSON* config_obj = cJSON_CreateObject();
int count = 0;
while ((rc = sqlite3_step(stmt)) == SQLITE_ROW) {
const char* key = (const char*)sqlite3_column_text(stmt, 0);
const char* value = (const char*)sqlite3_column_text(stmt, 1);
const char* description = (const char*)sqlite3_column_text(stmt, 2);
cJSON* entry = cJSON_CreateObject();
cJSON_AddStringToObject(entry, "value", value ? value : "");
if (description && strlen(description) > 0) {
cJSON_AddStringToObject(entry, "description", description);
}
cJSON_AddItemToObject(config_obj, key, entry);
count++;
}
sqlite3_finalize(stmt);
sqlite3_close(db);
cJSON_AddStringToObject(response, "status", "success");
cJSON_AddNumberToObject(response, "count", count);
cJSON_AddItemToObject(response, "config", config_obj);
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
app_log(LOG_INFO, "Config query returned %d entries", count);
return response;
}
cJSON* admin_cmd_config_update(cJSON* args) {
cJSON* response = cJSON_CreateObject();
cJSON_AddStringToObject(response, "query_type", "config_update");
// Expected format: ["config_update", {"key1": "value1", "key2": "value2"}]
if (cJSON_GetArraySize(args) < 2) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Missing config updates object");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
cJSON* updates = cJSON_GetArrayItem(args, 1);
if (!cJSON_IsObject(updates)) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Updates must be an object");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
// Open database for writing
sqlite3* db;
int rc = sqlite3_open_v2(g_admin_state.db_path, &db, SQLITE_OPEN_READWRITE, NULL);
if (rc != SQLITE_OK) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Failed to open database");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
// Prepare update statement
const char* sql = "UPDATE config SET value = ?, updated_at = strftime('%s', 'now') WHERE key = ?";
sqlite3_stmt* stmt;
rc = sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
if (rc != SQLITE_OK) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Failed to prepare update statement");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
sqlite3_close(db);
return response;
}
// Process each update
cJSON* updated_keys = cJSON_CreateArray();
cJSON* failed_keys = cJSON_CreateArray();
int success_count = 0;
int fail_count = 0;
cJSON* item = NULL;
cJSON_ArrayForEach(item, updates) {
const char* key = item->string;
const char* value = cJSON_GetStringValue(item);
if (!value) {
cJSON_AddItemToArray(failed_keys, cJSON_CreateString(key));
fail_count++;
continue;
}
sqlite3_reset(stmt);
sqlite3_bind_text(stmt, 1, value, -1, SQLITE_TRANSIENT);
sqlite3_bind_text(stmt, 2, key, -1, SQLITE_TRANSIENT);
rc = sqlite3_step(stmt);
if (rc == SQLITE_DONE && sqlite3_changes(db) > 0) {
cJSON_AddItemToArray(updated_keys, cJSON_CreateString(key));
success_count++;
app_log(LOG_INFO, "Updated config key: %s", key);
} else {
cJSON_AddItemToArray(failed_keys, cJSON_CreateString(key));
fail_count++;
}
}
sqlite3_finalize(stmt);
sqlite3_close(db);
cJSON_AddStringToObject(response, "status", "success");
cJSON_AddNumberToObject(response, "updated_count", success_count);
cJSON_AddNumberToObject(response, "failed_count", fail_count);
cJSON_AddItemToObject(response, "updated_keys", updated_keys);
if (fail_count > 0) {
cJSON_AddItemToObject(response, "failed_keys", failed_keys);
} else {
cJSON_Delete(failed_keys);
}
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
cJSON* admin_cmd_stats_query(cJSON* args) {
(void)args;
cJSON* response = cJSON_CreateObject();
cJSON_AddStringToObject(response, "query_type", "stats_query");
// Open database
sqlite3* db;
int rc = sqlite3_open_v2(g_admin_state.db_path, &db, SQLITE_OPEN_READONLY, NULL);
if (rc != SQLITE_OK) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Failed to open database");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
// Query storage stats view
const char* sql = "SELECT * FROM storage_stats";
sqlite3_stmt* stmt;
rc = sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
if (rc != SQLITE_OK) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Failed to query stats");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
sqlite3_close(db);
return response;
}
cJSON* stats = cJSON_CreateObject();
if (sqlite3_step(stmt) == SQLITE_ROW) {
cJSON_AddNumberToObject(stats, "total_blobs", sqlite3_column_int64(stmt, 0));
cJSON_AddNumberToObject(stats, "total_bytes", sqlite3_column_int64(stmt, 1));
cJSON_AddNumberToObject(stats, "avg_blob_size", sqlite3_column_double(stmt, 2));
cJSON_AddNumberToObject(stats, "first_upload", sqlite3_column_int64(stmt, 3));
cJSON_AddNumberToObject(stats, "last_upload", sqlite3_column_int64(stmt, 4));
cJSON_AddNumberToObject(stats, "unique_uploaders", sqlite3_column_int64(stmt, 5));
}
sqlite3_finalize(stmt);
// Get auth rules count
sql = "SELECT COUNT(*) FROM auth_rules WHERE enabled = 1";
rc = sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
if (rc == SQLITE_OK && sqlite3_step(stmt) == SQLITE_ROW) {
cJSON_AddNumberToObject(stats, "active_auth_rules", sqlite3_column_int(stmt, 0));
}
sqlite3_finalize(stmt);
sqlite3_close(db);
cJSON_AddStringToObject(response, "status", "success");
cJSON_AddItemToObject(response, "stats", stats);
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
cJSON* admin_cmd_system_status(cJSON* args) {
(void)args;
cJSON* response = cJSON_CreateObject();
cJSON_AddStringToObject(response, "query_type", "system_status");
cJSON* status = cJSON_CreateObject();
// Server uptime (would need to track start time - placeholder for now)
cJSON_AddStringToObject(status, "server_status", "running");
cJSON_AddNumberToObject(status, "current_time", (double)time(NULL));
// Database status
sqlite3* db;
int rc = sqlite3_open_v2(g_admin_state.db_path, &db, SQLITE_OPEN_READONLY, NULL);
if (rc == SQLITE_OK) {
cJSON_AddStringToObject(status, "database_status", "connected");
// Get database size
sqlite3_stmt* stmt;
const char* sql = "SELECT page_count * page_size as size FROM pragma_page_count(), pragma_page_size()";
if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL) == SQLITE_OK) {
if (sqlite3_step(stmt) == SQLITE_ROW) {
cJSON_AddNumberToObject(status, "database_size_bytes", sqlite3_column_int64(stmt, 0));
}
sqlite3_finalize(stmt);
}
sqlite3_close(db);
} else {
cJSON_AddStringToObject(status, "database_status", "error");
}
// Memory info (basic - would need more system calls for detailed info)
cJSON_AddStringToObject(status, "memory_status", "ok");
cJSON_AddStringToObject(response, "status", "success");
cJSON_AddItemToObject(response, "system", status);
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
cJSON* admin_cmd_blob_list(cJSON* args) {
cJSON* response = cJSON_CreateObject();
cJSON_AddStringToObject(response, "query_type", "blob_list");
// Parse optional parameters: limit, offset, uploader_pubkey
int limit = 100; // Default limit
int offset = 0;
const char* uploader_filter = NULL;
if (cJSON_GetArraySize(args) >= 2) {
cJSON* params = cJSON_GetArrayItem(args, 1);
if (cJSON_IsObject(params)) {
cJSON* limit_item = cJSON_GetObjectItem(params, "limit");
if (cJSON_IsNumber(limit_item)) {
limit = limit_item->valueint;
if (limit > 1000) limit = 1000; // Max 1000
if (limit < 1) limit = 1;
}
cJSON* offset_item = cJSON_GetObjectItem(params, "offset");
if (cJSON_IsNumber(offset_item)) {
offset = offset_item->valueint;
if (offset < 0) offset = 0;
}
cJSON* uploader_item = cJSON_GetObjectItem(params, "uploader");
if (cJSON_IsString(uploader_item)) {
uploader_filter = uploader_item->valuestring;
}
}
}
// Open database
sqlite3* db;
int rc = sqlite3_open_v2(g_admin_state.db_path, &db, SQLITE_OPEN_READONLY, NULL);
if (rc != SQLITE_OK) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Failed to open database");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
// Build query
char sql[512];
if (uploader_filter) {
snprintf(sql, sizeof(sql),
"SELECT sha256, size, type, uploaded_at, uploader_pubkey, filename "
"FROM blobs WHERE uploader_pubkey = ? "
"ORDER BY uploaded_at DESC LIMIT ? OFFSET ?");
} else {
snprintf(sql, sizeof(sql),
"SELECT sha256, size, type, uploaded_at, uploader_pubkey, filename "
"FROM blobs ORDER BY uploaded_at DESC LIMIT ? OFFSET ?");
}
sqlite3_stmt* stmt;
rc = sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
if (rc != SQLITE_OK) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Failed to prepare query");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
sqlite3_close(db);
return response;
}
// Bind parameters
int param_idx = 1;
if (uploader_filter) {
sqlite3_bind_text(stmt, param_idx++, uploader_filter, -1, SQLITE_STATIC);
}
sqlite3_bind_int(stmt, param_idx++, limit);
sqlite3_bind_int(stmt, param_idx++, offset);
// Execute and build results
cJSON* blobs = cJSON_CreateArray();
int count = 0;
while (sqlite3_step(stmt) == SQLITE_ROW) {
cJSON* blob = cJSON_CreateObject();
cJSON_AddStringToObject(blob, "sha256", (const char*)sqlite3_column_text(stmt, 0));
cJSON_AddNumberToObject(blob, "size", sqlite3_column_int64(stmt, 1));
cJSON_AddStringToObject(blob, "type", (const char*)sqlite3_column_text(stmt, 2));
cJSON_AddNumberToObject(blob, "uploaded_at", sqlite3_column_int64(stmt, 3));
const char* uploader = (const char*)sqlite3_column_text(stmt, 4);
if (uploader) {
cJSON_AddStringToObject(blob, "uploader_pubkey", uploader);
}
const char* filename = (const char*)sqlite3_column_text(stmt, 5);
if (filename) {
cJSON_AddStringToObject(blob, "filename", filename);
}
cJSON_AddItemToArray(blobs, blob);
count++;
}
sqlite3_finalize(stmt);
sqlite3_close(db);
cJSON_AddStringToObject(response, "status", "success");
cJSON_AddNumberToObject(response, "count", count);
cJSON_AddNumberToObject(response, "limit", limit);
cJSON_AddNumberToObject(response, "offset", offset);
cJSON_AddItemToObject(response, "blobs", blobs);
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
cJSON* admin_cmd_storage_stats(cJSON* args) {
(void)args;
cJSON* response = cJSON_CreateObject();
cJSON_AddStringToObject(response, "query_type", "storage_stats");
// Open database
sqlite3* db;
int rc = sqlite3_open_v2(g_admin_state.db_path, &db, SQLITE_OPEN_READONLY, NULL);
if (rc != SQLITE_OK) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Failed to open database");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
cJSON* storage = cJSON_CreateObject();
// Get overall stats from view
const char* sql = "SELECT * FROM storage_stats";
sqlite3_stmt* stmt;
rc = sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
if (rc == SQLITE_OK && sqlite3_step(stmt) == SQLITE_ROW) {
cJSON_AddNumberToObject(storage, "total_blobs", sqlite3_column_int64(stmt, 0));
cJSON_AddNumberToObject(storage, "total_bytes", sqlite3_column_int64(stmt, 1));
cJSON_AddNumberToObject(storage, "avg_blob_size", sqlite3_column_double(stmt, 2));
cJSON_AddNumberToObject(storage, "first_upload", sqlite3_column_int64(stmt, 3));
cJSON_AddNumberToObject(storage, "last_upload", sqlite3_column_int64(stmt, 4));
cJSON_AddNumberToObject(storage, "unique_uploaders", sqlite3_column_int64(stmt, 5));
}
sqlite3_finalize(stmt);
// Get stats by MIME type
sql = "SELECT type, COUNT(*) as count, SUM(size) as total_size "
"FROM blobs GROUP BY type ORDER BY count DESC LIMIT 10";
rc = sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
if (rc == SQLITE_OK) {
cJSON* by_type = cJSON_CreateArray();
while (sqlite3_step(stmt) == SQLITE_ROW) {
cJSON* type_stat = cJSON_CreateObject();
cJSON_AddStringToObject(type_stat, "mime_type", (const char*)sqlite3_column_text(stmt, 0));
cJSON_AddNumberToObject(type_stat, "count", sqlite3_column_int64(stmt, 1));
cJSON_AddNumberToObject(type_stat, "total_bytes", sqlite3_column_int64(stmt, 2));
cJSON_AddItemToArray(by_type, type_stat);
}
cJSON_AddItemToObject(storage, "by_mime_type", by_type);
sqlite3_finalize(stmt);
}
// Get top uploaders
sql = "SELECT uploader_pubkey, COUNT(*) as count, SUM(size) as total_size "
"FROM blobs WHERE uploader_pubkey IS NOT NULL "
"GROUP BY uploader_pubkey ORDER BY count DESC LIMIT 10";
rc = sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
if (rc == SQLITE_OK) {
cJSON* top_uploaders = cJSON_CreateArray();
while (sqlite3_step(stmt) == SQLITE_ROW) {
cJSON* uploader_stat = cJSON_CreateObject();
cJSON_AddStringToObject(uploader_stat, "pubkey", (const char*)sqlite3_column_text(stmt, 0));
cJSON_AddNumberToObject(uploader_stat, "blob_count", sqlite3_column_int64(stmt, 1));
cJSON_AddNumberToObject(uploader_stat, "total_bytes", sqlite3_column_int64(stmt, 2));
cJSON_AddItemToArray(top_uploaders, uploader_stat);
}
cJSON_AddItemToObject(storage, "top_uploaders", top_uploaders);
sqlite3_finalize(stmt);
}
sqlite3_close(db);
cJSON_AddStringToObject(response, "status", "success");
cJSON_AddItemToObject(response, "storage", storage);
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
cJSON* admin_cmd_sql_query(cJSON* args) {
cJSON* response = cJSON_CreateObject();
cJSON_AddStringToObject(response, "query_type", "sql_query");
// Expected format: ["sql_query", "SELECT ..."]
if (cJSON_GetArraySize(args) < 2) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Missing SQL query");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
cJSON* query_item = cJSON_GetArrayItem(args, 1);
if (!cJSON_IsString(query_item)) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Query must be a string");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
const char* sql = query_item->valuestring;
// Security: Only allow SELECT queries
const char* sql_upper = sql;
while (*sql_upper == ' ' || *sql_upper == '\t' || *sql_upper == '\n') sql_upper++;
if (strncasecmp(sql_upper, "SELECT", 6) != 0) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Only SELECT queries are allowed");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
// Open database (read-only for safety)
sqlite3* db;
int rc = sqlite3_open_v2(g_admin_state.db_path, &db, SQLITE_OPEN_READONLY, NULL);
if (rc != SQLITE_OK) {
cJSON_AddStringToObject(response, "status", "error");
cJSON_AddStringToObject(response, "error", "Failed to open database");
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
return response;
}
// Prepare and execute query
sqlite3_stmt* stmt;
rc = sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
if (rc != SQLITE_OK) {
cJSON_AddStringToObject(response, "status", "error");
char error_msg[256];
snprintf(error_msg, sizeof(error_msg), "SQL error: %s", sqlite3_errmsg(db));
cJSON_AddStringToObject(response, "error", error_msg);
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
sqlite3_close(db);
return response;
}
// Get column names
int col_count = sqlite3_column_count(stmt);
cJSON* columns = cJSON_CreateArray();
for (int i = 0; i < col_count; i++) {
cJSON_AddItemToArray(columns, cJSON_CreateString(sqlite3_column_name(stmt, i)));
}
// Execute and collect rows (limit to 1000 rows for safety)
cJSON* rows = cJSON_CreateArray();
int row_count = 0;
const int MAX_ROWS = 1000;
while (row_count < MAX_ROWS && (rc = sqlite3_step(stmt)) == SQLITE_ROW) {
cJSON* row = cJSON_CreateArray();
for (int i = 0; i < col_count; i++) {
int col_type = sqlite3_column_type(stmt, i);
switch (col_type) {
case SQLITE_INTEGER:
cJSON_AddItemToArray(row, cJSON_CreateNumber(sqlite3_column_int64(stmt, i)));
break;
case SQLITE_FLOAT:
cJSON_AddItemToArray(row, cJSON_CreateNumber(sqlite3_column_double(stmt, i)));
break;
case SQLITE_TEXT:
cJSON_AddItemToArray(row, cJSON_CreateString((const char*)sqlite3_column_text(stmt, i)));
break;
case SQLITE_NULL:
cJSON_AddItemToArray(row, cJSON_CreateNull());
break;
default:
cJSON_AddItemToArray(row, cJSON_CreateString(""));
}
}
cJSON_AddItemToArray(rows, row);
row_count++;
}
sqlite3_finalize(stmt);
sqlite3_close(db);
cJSON_AddStringToObject(response, "status", "success");
cJSON_AddItemToObject(response, "columns", columns);
cJSON_AddItemToObject(response, "rows", rows);
cJSON_AddNumberToObject(response, "row_count", row_count);
if (row_count >= MAX_ROWS) {
cJSON_AddBoolToObject(response, "truncated", 1);
}
cJSON_AddNumberToObject(response, "timestamp", (double)time(NULL));
app_log(LOG_INFO, "SQL query executed: %d rows returned", row_count);
return response;
}