diff --git a/native/cpp/CommonCpp/DatabaseManagers/DatabaseQueryExecutor.h b/native/cpp/CommonCpp/DatabaseManagers/DatabaseQueryExecutor.h index ba9d58e45..2d03c5833 100644 --- a/native/cpp/CommonCpp/DatabaseManagers/DatabaseQueryExecutor.h +++ b/native/cpp/CommonCpp/DatabaseManagers/DatabaseQueryExecutor.h @@ -1,92 +1,95 @@ #pragma once #include "../CryptoTools/Persist.h" #include "entities/Draft.h" #include "entities/Media.h" #include "entities/Message.h" #include "entities/MessageStoreThread.h" #include "entities/OlmPersistAccount.h" #include "entities/OlmPersistSession.h" #include "entities/PersistItem.h" #include "entities/Report.h" #include "entities/Thread.h" #include "entities/UserInfo.h" #include namespace comm { /** * if any initialization/cleaning up steps are required for specific * database managers they should appear in constructors/destructors * following the RAII pattern */ class DatabaseQueryExecutor { public: virtual std::string getDraft(std::string key) const = 0; virtual std::unique_ptr getThread(std::string threadID) const = 0; virtual void updateDraft(std::string key, std::string text) const = 0; virtual bool moveDraft(std::string oldKey, std::string newKey) const = 0; virtual std::vector getAllDrafts() const = 0; virtual void removeAllDrafts() const = 0; virtual void removeAllMessages() const = 0; virtual std::vector>> getAllMessages() const = 0; virtual void removeMessages(const std::vector &ids) const = 0; virtual void removeMessagesForThreads(const std::vector &threadIDs) const = 0; virtual void replaceMessage(const Message &message) const = 0; virtual void rekeyMessage(std::string from, std::string to) const = 0; virtual void removeAllMedia() const = 0; virtual void replaceMessageStoreThreads( const std::vector &threads) const = 0; virtual void removeMessageStoreThreads(const std::vector &ids) const = 0; virtual void removeAllMessageStoreThreads() const = 0; virtual std::vector getAllMessageStoreThreads() const = 0; virtual void removeMediaForMessages(const std::vector &msg_ids) const = 0; virtual void removeMediaForMessage(std::string msg_id) const = 0; virtual void removeMediaForThreads(const std::vector &thread_ids) const = 0; virtual void replaceMedia(const Media &media) const = 0; virtual void rekeyMediaContainers(std::string from, std::string to) const = 0; virtual std::vector getAllThreads() const = 0; virtual void removeThreads(std::vector ids) const = 0; virtual void replaceThread(const Thread &thread) const = 0; virtual void removeAllThreads() const = 0; virtual void replaceReport(const Report &report) const = 0; virtual void removeReports(const std::vector &ids) const = 0; virtual void removeAllReports() const = 0; virtual std::vector getAllReports() const = 0; virtual void setPersistStorageItem(std::string key, std::string item) const = 0; virtual void removePersistStorageItem(std::string key) const = 0; virtual std::string getPersistStorageItem(std::string key) const = 0; virtual void replaceUser(const UserInfo &user_info) const = 0; virtual void removeUsers(const std::vector &ids) const = 0; virtual void removeAllUsers() const = 0; virtual std::vector getAllUsers() const = 0; virtual void beginTransaction() const = 0; virtual void commitTransaction() const = 0; virtual void rollbackTransaction() const = 0; virtual std::vector getOlmPersistSessionsData() const = 0; virtual std::optional getOlmPersistAccountData() const = 0; virtual void storeOlmPersistData(crypto::Persist persist) const = 0; virtual void setNotifyToken(std::string token) const = 0; virtual void clearNotifyToken() const = 0; virtual void setCurrentUserID(std::string userID) const = 0; virtual std::string getCurrentUserID() const = 0; virtual void setMetadata(std::string entry_name, std::string data) const = 0; virtual void clearMetadata(std::string entry_name) const = 0; virtual std::string getMetadata(std::string entry_name) const = 0; + virtual void restoreFromMainCompaction( + std::string mainCompactionPath, + std::string mainCompactionEncryptionKey) const = 0; #ifdef EMSCRIPTEN virtual std::vector getAllThreadsWeb() const = 0; virtual void replaceThreadWeb(const WebThread &thread) const = 0; #else virtual void createMainCompaction(std::string backupID) const = 0; #endif }; } // namespace comm diff --git a/native/cpp/CommonCpp/DatabaseManagers/SQLiteQueryExecutor.cpp b/native/cpp/CommonCpp/DatabaseManagers/SQLiteQueryExecutor.cpp index c7fbd8c6f..9b40dce0c 100644 --- a/native/cpp/CommonCpp/DatabaseManagers/SQLiteQueryExecutor.cpp +++ b/native/cpp/CommonCpp/DatabaseManagers/SQLiteQueryExecutor.cpp @@ -1,1508 +1,1604 @@ #include "SQLiteQueryExecutor.h" #include "Logger.h" #include "sqlite_orm.h" #include "entities/Metadata.h" #include "entities/UserInfo.h" #include #include #include #ifndef EMSCRIPTEN #include "CommSecureStore.h" #include "PlatformSpecificTools.h" #endif #define ACCOUNT_ID 1 namespace comm { using namespace sqlite_orm; std::string SQLiteQueryExecutor::sqliteFilePath; std::string SQLiteQueryExecutor::encryptionKey; std::once_flag SQLiteQueryExecutor::initialized; int SQLiteQueryExecutor::sqlcipherEncryptionKeySize = 64; std::string SQLiteQueryExecutor::secureStoreEncryptionKeyID = "comm.encryptionKey"; bool create_table(sqlite3 *db, std::string query, std::string tableName) { char *error; sqlite3_exec(db, query.c_str(), nullptr, nullptr, &error); if (!error) { return true; } std::ostringstream stringStream; stringStream << "Error creating '" << tableName << "' table: " << error; Logger::log(stringStream.str()); sqlite3_free(error); return false; } bool create_drafts_table(sqlite3 *db) { std::string query = "CREATE TABLE IF NOT EXISTS drafts (threadID TEXT UNIQUE PRIMARY KEY, " "text TEXT);"; return create_table(db, query, "drafts"); } bool rename_threadID_to_key(sqlite3 *db) { sqlite3_stmt *key_column_stmt; sqlite3_prepare_v2( db, "SELECT name AS col_name FROM pragma_table_xinfo ('drafts') WHERE " "col_name='key';", -1, &key_column_stmt, nullptr); sqlite3_step(key_column_stmt); auto num_bytes = sqlite3_column_bytes(key_column_stmt, 0); sqlite3_finalize(key_column_stmt); if (num_bytes) { return true; } char *error; sqlite3_exec( db, "ALTER TABLE drafts RENAME COLUMN `threadID` TO `key`;", nullptr, nullptr, &error); if (error) { std::ostringstream stringStream; stringStream << "Error occurred renaming threadID column in drafts table " << "to key: " << error; Logger::log(stringStream.str()); sqlite3_free(error); return false; } return true; } bool create_persist_account_table(sqlite3 *db) { std::string query = "CREATE TABLE IF NOT EXISTS olm_persist_account(" "id INTEGER UNIQUE PRIMARY KEY NOT NULL, " "account_data TEXT NOT NULL);"; return create_table(db, query, "olm_persist_account"); } bool create_persist_sessions_table(sqlite3 *db) { std::string query = "CREATE TABLE IF NOT EXISTS olm_persist_sessions(" "target_user_id TEXT UNIQUE PRIMARY KEY NOT NULL, " "session_data TEXT NOT NULL);"; return create_table(db, query, "olm_persist_sessions"); } bool drop_messages_table(sqlite3 *db) { char *error; sqlite3_exec(db, "DROP TABLE IF EXISTS messages;", nullptr, nullptr, &error); if (!error) { return true; } std::ostringstream stringStream; stringStream << "Error dropping 'messages' table: " << error; Logger::log(stringStream.str()); sqlite3_free(error); return false; } bool recreate_messages_table(sqlite3 *db) { std::string query = "CREATE TABLE IF NOT EXISTS messages ( " "id TEXT UNIQUE PRIMARY KEY NOT NULL, " "local_id TEXT, " "thread TEXT NOT NULL, " "user TEXT NOT NULL, " "type INTEGER NOT NULL, " "future_type INTEGER, " "content TEXT, " "time INTEGER NOT NULL);"; return create_table(db, query, "messages"); } bool create_messages_idx_thread_time(sqlite3 *db) { char *error; sqlite3_exec( db, "CREATE INDEX IF NOT EXISTS messages_idx_thread_time " "ON messages (thread, time);", nullptr, nullptr, &error); if (!error) { return true; } std::ostringstream stringStream; stringStream << "Error creating (thread, time) index on messages table: " << error; Logger::log(stringStream.str()); sqlite3_free(error); return false; } bool create_media_table(sqlite3 *db) { std::string query = "CREATE TABLE IF NOT EXISTS media ( " "id TEXT UNIQUE PRIMARY KEY NOT NULL, " "container TEXT NOT NULL, " "thread TEXT NOT NULL, " "uri TEXT NOT NULL, " "type TEXT NOT NULL, " "extras TEXT NOT NULL);"; return create_table(db, query, "media"); } bool create_media_idx_container(sqlite3 *db) { char *error; sqlite3_exec( db, "CREATE INDEX IF NOT EXISTS media_idx_container " "ON media (container);", nullptr, nullptr, &error); if (!error) { return true; } std::ostringstream stringStream; stringStream << "Error creating (container) index on media table: " << error; Logger::log(stringStream.str()); sqlite3_free(error); return false; } bool create_threads_table(sqlite3 *db) { std::string query = "CREATE TABLE IF NOT EXISTS threads ( " "id TEXT UNIQUE PRIMARY KEY NOT NULL, " "type INTEGER NOT NULL, " "name TEXT, " "description TEXT, " "color TEXT NOT NULL, " "creation_time BIGINT NOT NULL, " "parent_thread_id TEXT, " "containing_thread_id TEXT, " "community TEXT, " "members TEXT NOT NULL, " "roles TEXT NOT NULL, " "current_user TEXT NOT NULL, " "source_message_id TEXT, " "replies_count INTEGER NOT NULL);"; return create_table(db, query, "threads"); } bool update_threadID_for_pending_threads_in_drafts(sqlite3 *db) { char *error; sqlite3_exec( db, "UPDATE drafts SET key = " "REPLACE(REPLACE(REPLACE(REPLACE(key, 'type4/', '')," "'type5/', ''),'type6/', ''),'type7/', '')" "WHERE key LIKE 'pending/%'", nullptr, nullptr, &error); if (!error) { return true; } std::ostringstream stringStream; stringStream << "Error update pending threadIDs on drafts table: " << error; Logger::log(stringStream.str()); sqlite3_free(error); return false; } bool enable_write_ahead_logging_mode(sqlite3 *db) { char *error; sqlite3_exec(db, "PRAGMA journal_mode=wal;", nullptr, nullptr, &error); if (!error) { return true; } std::ostringstream stringStream; stringStream << "Error enabling write-ahead logging mode: " << error; Logger::log(stringStream.str()); sqlite3_free(error); return false; } bool create_metadata_table(sqlite3 *db) { std::string query = "CREATE TABLE IF NOT EXISTS metadata ( " "name TEXT UNIQUE PRIMARY KEY NOT NULL, " "data TEXT);"; return create_table(db, query, "metadata"); } bool add_not_null_constraint_to_drafts(sqlite3 *db) { char *error; sqlite3_exec( db, "CREATE TABLE IF NOT EXISTS temporary_drafts (" "key TEXT UNIQUE PRIMARY KEY NOT NULL, " "text TEXT NOT NULL);" "INSERT INTO temporary_drafts SELECT * FROM drafts " "WHERE key IS NOT NULL AND text IS NOT NULL;" "DROP TABLE drafts;" "ALTER TABLE temporary_drafts RENAME TO drafts;", nullptr, nullptr, &error); if (!error) { return true; } std::ostringstream stringStream; stringStream << "Error adding NOT NULL constraint to drafts table: " << error; Logger::log(stringStream.str()); sqlite3_free(error); return false; } bool add_not_null_constraint_to_metadata(sqlite3 *db) { char *error; sqlite3_exec( db, "CREATE TABLE IF NOT EXISTS temporary_metadata (" "name TEXT UNIQUE PRIMARY KEY NOT NULL, " "data TEXT NOT NULL);" "INSERT INTO temporary_metadata SELECT * FROM metadata " "WHERE data IS NOT NULL;" "DROP TABLE metadata;" "ALTER TABLE temporary_metadata RENAME TO metadata;", nullptr, nullptr, &error); if (!error) { return true; } std::ostringstream stringStream; stringStream << "Error adding NOT NULL constraint to metadata table: " << error; Logger::log(stringStream.str()); sqlite3_free(error); return false; } bool add_avatar_column_to_threads_table(sqlite3 *db) { char *error; sqlite3_exec( db, "ALTER TABLE threads ADD COLUMN avatar TEXT;", nullptr, nullptr, &error); if (!error) { return true; } std::ostringstream stringStream; stringStream << "Error adding avatar column to threads table: " << error; Logger::log(stringStream.str()); sqlite3_free(error); return false; } bool add_pinned_count_column_to_threads(sqlite3 *db) { sqlite3_stmt *pinned_column_stmt; sqlite3_prepare_v2( db, "SELECT name AS col_name FROM pragma_table_xinfo ('threads') WHERE " "col_name='pinned_count';", -1, &pinned_column_stmt, nullptr); sqlite3_step(pinned_column_stmt); auto num_bytes = sqlite3_column_bytes(pinned_column_stmt, 0); sqlite3_finalize(pinned_column_stmt); if (num_bytes) { return true; } char *error; sqlite3_exec( db, "ALTER TABLE threads ADD COLUMN pinned_count INTEGER NOT NULL DEFAULT 0;", nullptr, nullptr, &error); if (!error) { return true; } std::ostringstream stringStream; stringStream << "Error adding pinned_count column to threads table: " << error; Logger::log(stringStream.str()); sqlite3_free(error); return false; } bool create_message_store_threads_table(sqlite3 *db) { std::string query = "CREATE TABLE IF NOT EXISTS message_store_threads (" " id TEXT UNIQUE PRIMARY KEY NOT NULL," " start_reached INTEGER NOT NULL," " last_navigated_to BIGINT NOT NULL," " last_pruned BIGINT NOT NULL" ");"; return create_table(db, query, "message_store_threads"); } bool create_reports_table(sqlite3 *db) { std::string query = "CREATE TABLE IF NOT EXISTS reports (" " id TEXT UNIQUE PRIMARY KEY NOT NULL," " report TEXT NOT NULL" ");"; return create_table(db, query, "reports"); } bool create_persist_storage_table(sqlite3 *db) { std::string query = "CREATE TABLE IF NOT EXISTS persist_storage (" " key TEXT UNIQUE PRIMARY KEY NOT NULL," " item TEXT NOT NULL" ");"; return create_table(db, query, "persist_storage"); } bool recreate_message_store_threads_table(sqlite3 *db) { char *errMsg = 0; // 1. Create table without `last_navigated_to` or `last_pruned`. std::string create_new_table_query = "CREATE TABLE IF NOT EXISTS temp_message_store_threads (" " id TEXT UNIQUE PRIMARY KEY NOT NULL," " start_reached INTEGER NOT NULL" ");"; if (sqlite3_exec(db, create_new_table_query.c_str(), NULL, NULL, &errMsg) != SQLITE_OK) { Logger::log( "Error creating temp_message_store_threads: " + std::string{errMsg}); sqlite3_free(errMsg); return false; } // 2. Dump data from existing `message_store_threads` table into temp table. std::string copy_data_query = "INSERT INTO temp_message_store_threads (id, start_reached)" "SELECT id, start_reached FROM message_store_threads;"; if (sqlite3_exec(db, copy_data_query.c_str(), NULL, NULL, &errMsg) != SQLITE_OK) { Logger::log( "Error dumping data from existing message_store_threads to " "temp_message_store_threads: " + std::string{errMsg}); sqlite3_free(errMsg); return false; } // 3. Drop the existing `message_store_threads` table. std::string drop_old_table_query = "DROP TABLE message_store_threads;"; if (sqlite3_exec(db, drop_old_table_query.c_str(), NULL, NULL, &errMsg) != SQLITE_OK) { Logger::log( "Error dropping message_store_threads table: " + std::string{errMsg}); sqlite3_free(errMsg); return false; } // 4. Rename the temp table back to `message_store_threads`. std::string rename_table_query = "ALTER TABLE temp_message_store_threads RENAME TO message_store_threads;"; if (sqlite3_exec(db, rename_table_query.c_str(), NULL, NULL, &errMsg) != SQLITE_OK) { Logger::log( "Error renaming temp_message_store_threads to message_store_threads: " + std::string{errMsg}); sqlite3_free(errMsg); return false; } return true; } bool create_users_table(sqlite3 *db) { std::string query = "CREATE TABLE IF NOT EXISTS users (" " id TEXT UNIQUE PRIMARY KEY NOT NULL," " user_info TEXT NOT NULL" ");"; return create_table(db, query, "users"); } bool create_schema(sqlite3 *db) { char *error; sqlite3_exec( db, "CREATE TABLE IF NOT EXISTS drafts (" " key TEXT UNIQUE PRIMARY KEY NOT NULL," " text TEXT NOT NULL" ");" "CREATE TABLE IF NOT EXISTS messages (" " id TEXT UNIQUE PRIMARY KEY NOT NULL," " local_id TEXT," " thread TEXT NOT NULL," " user TEXT NOT NULL," " type INTEGER NOT NULL," " future_type INTEGER," " content TEXT," " time INTEGER NOT NULL" ");" "CREATE TABLE IF NOT EXISTS olm_persist_account (" " id INTEGER UNIQUE PRIMARY KEY NOT NULL," " account_data TEXT NOT NULL" ");" "CREATE TABLE IF NOT EXISTS olm_persist_sessions (" " target_user_id TEXT UNIQUE PRIMARY KEY NOT NULL," " session_data TEXT NOT NULL" ");" "CREATE TABLE IF NOT EXISTS media (" " id TEXT UNIQUE PRIMARY KEY NOT NULL," " container TEXT NOT NULL," " thread TEXT NOT NULL," " uri TEXT NOT NULL," " type TEXT NOT NULL," " extras TEXT NOT NULL" ");" "CREATE TABLE IF NOT EXISTS threads (" " id TEXT UNIQUE PRIMARY KEY NOT NULL," " type INTEGER NOT NULL," " name TEXT," " description TEXT," " color TEXT NOT NULL," " creation_time BIGINT NOT NULL," " parent_thread_id TEXT," " containing_thread_id TEXT," " community TEXT," " members TEXT NOT NULL," " roles TEXT NOT NULL," " current_user TEXT NOT NULL," " source_message_id TEXT," " replies_count INTEGER NOT NULL," " avatar TEXT," " pinned_count INTEGER NOT NULL DEFAULT 0" ");" "CREATE TABLE IF NOT EXISTS metadata (" " name TEXT UNIQUE PRIMARY KEY NOT NULL," " data TEXT NOT NULL" ");" "CREATE TABLE IF NOT EXISTS message_store_threads (" " id TEXT UNIQUE PRIMARY KEY NOT NULL," " start_reached INTEGER NOT NULL" ");" "CREATE TABLE IF NOT EXISTS reports (" " id TEXT UNIQUE PRIMARY KEY NOT NULL," " report TEXT NOT NULL" ");" "CREATE TABLE IF NOT EXISTS persist_storage (" " key TEXT UNIQUE PRIMARY KEY NOT NULL," " item TEXT NOT NULL" ");" "CREATE TABLE IF NOT EXISTS users (" " id TEXT UNIQUE PRIMARY KEY NOT NULL," " user_info TEXT NOT NULL" ");" "CREATE INDEX IF NOT EXISTS media_idx_container" " ON media (container);" "CREATE INDEX IF NOT EXISTS messages_idx_thread_time" " ON messages (thread, time);", nullptr, nullptr, &error); if (!error) { return true; } std::ostringstream stringStream; stringStream << "Error creating tables: " << error; Logger::log(stringStream.str()); sqlite3_free(error); return false; } void set_encryption_key( sqlite3 *db, const std::string &encryptionKey = SQLiteQueryExecutor::encryptionKey) { std::string set_encryption_key_query = "PRAGMA key = \"x'" + encryptionKey + "'\";"; char *error_set_key; sqlite3_exec( db, set_encryption_key_query.c_str(), nullptr, nullptr, &error_set_key); if (error_set_key) { std::ostringstream error_message; error_message << "Failed to set encryption key: " << error_set_key; throw std::system_error( ECANCELED, std::generic_category(), error_message.str()); } } int get_database_version(sqlite3 *db) { sqlite3_stmt *user_version_stmt; sqlite3_prepare_v2( db, "PRAGMA user_version;", -1, &user_version_stmt, nullptr); sqlite3_step(user_version_stmt); int current_user_version = sqlite3_column_int(user_version_stmt, 0); sqlite3_finalize(user_version_stmt); return current_user_version; } bool set_database_version(sqlite3 *db, int db_version) { std::stringstream update_version; update_version << "PRAGMA user_version=" << db_version << ";"; auto update_version_str = update_version.str(); char *error; sqlite3_exec(db, update_version_str.c_str(), nullptr, nullptr, &error); if (!error) { return true; } std::ostringstream errorStream; errorStream << "Error setting database version to " << db_version << ": " << error; Logger::log(errorStream.str()); sqlite3_free(error); return false; } void trace_queries(sqlite3 *db) { int error_code = sqlite3_trace_v2( db, SQLITE_TRACE_PROFILE, [](unsigned, void *, void *preparedStatement, void *) { sqlite3_stmt *statement = (sqlite3_stmt *)preparedStatement; char *sql = sqlite3_expanded_sql(statement); if (sql != nullptr) { std::string sqlStr(sql); // TODO: send logs to backup here } return 0; }, NULL); if (error_code != SQLITE_OK) { std::ostringstream error_message; error_message << "Failed to set trace callback, error code: " << error_code; throw std::system_error( ECANCELED, std::generic_category(), error_message.str()); } } // We don't want to run `PRAGMA key = ...;` // on main web database. The context is here: // https://linear.app/comm/issue/ENG-6398/issues-with-sqlcipher-on-web -void on_database_open(sqlite3 *db) { +void default_on_db_open_callback(sqlite3 *db) { #ifndef EMSCRIPTEN set_encryption_key(db); #endif trace_queries(db); } // This is a temporary solution. In future we want to keep // a separate table for blob hashes. Tracked on Linear: // https://linear.app/comm/issue/ENG-6261/introduce-blob-hash-table std::string blob_hash_from_blob_service_uri(const std::string &media_uri) { static const std::string blob_service_prefix = "comm-blob-service://"; return media_uri.substr(blob_service_prefix.size()); } bool file_exists(const std::string &file_path) { std::ifstream file(file_path.c_str()); return file.good(); } void attempt_delete_file( const std::string &file_path, const char *error_message) { if (std::remove(file_path.c_str())) { throw std::system_error(errno, std::generic_category(), error_message); } } void attempt_rename_file( const std::string &old_path, const std::string &new_path, const char *error_message) { if (std::rename(old_path.c_str(), new_path.c_str())) { throw std::system_error(errno, std::generic_category(), error_message); } } -bool is_database_queryable(sqlite3 *db, bool use_encryption_key) { +bool is_database_queryable( + sqlite3 *db, + bool use_encryption_key, + const std::string &path = SQLiteQueryExecutor::sqliteFilePath, + const std::string &encryptionKey = SQLiteQueryExecutor::encryptionKey) { char *err_msg; - sqlite3_open(SQLiteQueryExecutor::sqliteFilePath.c_str(), &db); + sqlite3_open(path.c_str(), &db); // According to SQLCipher documentation running some SELECT is the only way to // check for key validity if (use_encryption_key) { - set_encryption_key(db); + set_encryption_key(db, encryptionKey); } sqlite3_exec( db, "SELECT COUNT(*) FROM sqlite_master;", nullptr, nullptr, &err_msg); sqlite3_close(db); return !err_msg; } void validate_encryption() { std::string temp_encrypted_db_path = SQLiteQueryExecutor::sqliteFilePath + "_temp_encrypted"; bool temp_encrypted_exists = file_exists(temp_encrypted_db_path); bool default_location_exists = file_exists(SQLiteQueryExecutor::sqliteFilePath); if (temp_encrypted_exists && default_location_exists) { Logger::log( "Previous encryption attempt failed. Repeating encryption process from " "the beginning."); attempt_delete_file( temp_encrypted_db_path, "Failed to delete corrupted encrypted database."); } else if (temp_encrypted_exists && !default_location_exists) { Logger::log( "Moving temporary encrypted database to default location failed in " "previous encryption attempt. Repeating rename step."); attempt_rename_file( temp_encrypted_db_path, SQLiteQueryExecutor::sqliteFilePath, "Failed to move encrypted database to default location."); return; } else if (!default_location_exists) { Logger::log( "Database not present yet. It will be created encrypted under default " "path."); return; } sqlite3 *db; if (is_database_queryable(db, true)) { Logger::log( "Database exists under default path and it is correctly encrypted."); return; } if (!is_database_queryable(db, false)) { Logger::log( "Database exists but it is encrypted with key that was lost. " "Attempting database deletion. New encrypted one will be created."); attempt_delete_file( SQLiteQueryExecutor::sqliteFilePath.c_str(), "Failed to delete database encrypted with lost key."); return; } else { Logger::log( "Database exists but it is not encrypted. Attempting encryption " "process."); } sqlite3_open(SQLiteQueryExecutor::sqliteFilePath.c_str(), &db); std::string createEncryptedCopySQL = "ATTACH DATABASE '" + temp_encrypted_db_path + "' AS encrypted_comm " "KEY \"x'" + SQLiteQueryExecutor::encryptionKey + "'\";" "SELECT sqlcipher_export('encrypted_comm');" "DETACH DATABASE encrypted_comm;"; char *encryption_error; sqlite3_exec( db, createEncryptedCopySQL.c_str(), nullptr, nullptr, &encryption_error); if (encryption_error) { throw std::system_error( ECANCELED, std::generic_category(), "Failed to create encrypted copy of the original database."); } sqlite3_close(db); attempt_delete_file( SQLiteQueryExecutor::sqliteFilePath, "Failed to delete unencrypted database."); attempt_rename_file( temp_encrypted_db_path, SQLiteQueryExecutor::sqliteFilePath, "Failed to move encrypted database to default location."); Logger::log("Encryption completed successfully."); } typedef bool ShouldBeInTransaction; typedef std::function MigrateFunction; typedef std::pair SQLiteMigration; std::vector> migrations{ {{1, {create_drafts_table, true}}, {2, {rename_threadID_to_key, true}}, {4, {create_persist_account_table, true}}, {5, {create_persist_sessions_table, true}}, {15, {create_media_table, true}}, {16, {drop_messages_table, true}}, {17, {recreate_messages_table, true}}, {18, {create_messages_idx_thread_time, true}}, {19, {create_media_idx_container, true}}, {20, {create_threads_table, true}}, {21, {update_threadID_for_pending_threads_in_drafts, true}}, {22, {enable_write_ahead_logging_mode, false}}, {23, {create_metadata_table, true}}, {24, {add_not_null_constraint_to_drafts, true}}, {25, {add_not_null_constraint_to_metadata, true}}, {26, {add_avatar_column_to_threads_table, true}}, {27, {add_pinned_count_column_to_threads, true}}, {28, {create_message_store_threads_table, true}}, {29, {create_reports_table, true}}, {30, {create_persist_storage_table, true}}, {31, {recreate_message_store_threads_table, true}}, {32, {create_users_table, true}}}}; enum class MigrationResult { SUCCESS, FAILURE, NOT_APPLIED }; MigrationResult applyMigrationWithTransaction( sqlite3 *db, const MigrateFunction &migrate, int index) { sqlite3_exec(db, "BEGIN TRANSACTION;", nullptr, nullptr, nullptr); auto db_version = get_database_version(db); if (index <= db_version) { sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr); return MigrationResult::NOT_APPLIED; } auto rc = migrate(db); if (!rc) { sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr); return MigrationResult::FAILURE; } auto database_version_set = set_database_version(db, index); if (!database_version_set) { sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr); return MigrationResult::FAILURE; } sqlite3_exec(db, "END TRANSACTION;", nullptr, nullptr, nullptr); return MigrationResult::SUCCESS; } MigrationResult applyMigrationWithoutTransaction( sqlite3 *db, const MigrateFunction &migrate, int index) { auto db_version = get_database_version(db); if (index <= db_version) { return MigrationResult::NOT_APPLIED; } auto rc = migrate(db); if (!rc) { return MigrationResult::FAILURE; } sqlite3_exec(db, "BEGIN TRANSACTION;", nullptr, nullptr, nullptr); auto inner_db_version = get_database_version(db); if (index <= inner_db_version) { sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr); return MigrationResult::NOT_APPLIED; } auto database_version_set = set_database_version(db, index); if (!database_version_set) { sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr); return MigrationResult::FAILURE; } sqlite3_exec(db, "END TRANSACTION;", nullptr, nullptr, nullptr); return MigrationResult::SUCCESS; } bool set_up_database(sqlite3 *db) { auto write_ahead_enabled = enable_write_ahead_logging_mode(db); if (!write_ahead_enabled) { return false; } sqlite3_exec(db, "BEGIN TRANSACTION;", nullptr, nullptr, nullptr); auto db_version = get_database_version(db); auto latest_version = migrations.back().first; if (db_version == latest_version) { sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr); return true; } if (db_version != 0 || !create_schema(db) || !set_database_version(db, latest_version)) { sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr); return false; } sqlite3_exec(db, "END TRANSACTION;", nullptr, nullptr, nullptr); return true; } -auto getEncryptedStorageAtPath(const std::string &databasePath) { +auto getEncryptedStorageAtPath( + const std::string &databasePath, + std::function on_open_callback = + default_on_db_open_callback) { auto storage = make_storage( databasePath, make_index("messages_idx_thread_time", &Message::thread, &Message::time), make_index("media_idx_container", &Media::container), make_table( "drafts", make_column("key", &Draft::key, unique(), primary_key()), make_column("text", &Draft::text)), make_table( "messages", make_column("id", &Message::id, unique(), primary_key()), make_column("local_id", &Message::local_id), make_column("thread", &Message::thread), make_column("user", &Message::user), make_column("type", &Message::type), make_column("future_type", &Message::future_type), make_column("content", &Message::content), make_column("time", &Message::time)), make_table( "olm_persist_account", make_column("id", &OlmPersistAccount::id, unique(), primary_key()), make_column("account_data", &OlmPersistAccount::account_data)), make_table( "olm_persist_sessions", make_column( "target_user_id", &OlmPersistSession::target_user_id, unique(), primary_key()), make_column("session_data", &OlmPersistSession::session_data)), make_table( "media", make_column("id", &Media::id, unique(), primary_key()), make_column("container", &Media::container), make_column("thread", &Media::thread), make_column("uri", &Media::uri), make_column("type", &Media::type), make_column("extras", &Media::extras)), make_table( "threads", make_column("id", &Thread::id, unique(), primary_key()), make_column("type", &Thread::type), make_column("name", &Thread::name), make_column("description", &Thread::description), make_column("color", &Thread::color), make_column("creation_time", &Thread::creation_time), make_column("parent_thread_id", &Thread::parent_thread_id), make_column("containing_thread_id", &Thread::containing_thread_id), make_column("community", &Thread::community), make_column("members", &Thread::members), make_column("roles", &Thread::roles), make_column("current_user", &Thread::current_user), make_column("source_message_id", &Thread::source_message_id), make_column("replies_count", &Thread::replies_count), make_column("avatar", &Thread::avatar), make_column("pinned_count", &Thread::pinned_count, default_value(0))), make_table( "metadata", make_column("name", &Metadata::name, unique(), primary_key()), make_column("data", &Metadata::data)), make_table( "message_store_threads", make_column("id", &MessageStoreThread::id, unique(), primary_key()), make_column("start_reached", &MessageStoreThread::start_reached)), make_table( "reports", make_column("id", &Report::id, unique(), primary_key()), make_column("report", &Report::report)), make_table( "persist_storage", make_column("key", &PersistItem::key, unique(), primary_key()), make_column("item", &PersistItem::item)), make_table( "users", make_column("id", &UserInfo::id, unique(), primary_key()), make_column("user_info", &UserInfo::user_info)) ); - storage.on_open = on_database_open; + storage.on_open = on_open_callback; return storage; } void SQLiteQueryExecutor::migrate() { // We don't want to run `PRAGMA key = ...;` // on main web database. The context is here: // https://linear.app/comm/issue/ENG-6398/issues-with-sqlcipher-on-web #ifndef EMSCRIPTEN validate_encryption(); #endif sqlite3 *db; sqlite3_open(SQLiteQueryExecutor::sqliteFilePath.c_str(), &db); - on_database_open(db); + default_on_db_open_callback(db); std::stringstream db_path; db_path << "db path: " << SQLiteQueryExecutor::sqliteFilePath.c_str() << std::endl; Logger::log(db_path.str()); auto db_version = get_database_version(db); std::stringstream version_msg; version_msg << "db version: " << db_version << std::endl; Logger::log(version_msg.str()); if (db_version == 0) { auto db_created = set_up_database(db); if (!db_created) { sqlite3_close(db); Logger::log("Database structure creation error."); throw std::runtime_error("Database structure creation error"); } Logger::log("Database structure created."); sqlite3_close(db); return; } for (const auto &[idx, migration] : migrations) { const auto &[applyMigration, shouldBeInTransaction] = migration; MigrationResult migrationResult; if (shouldBeInTransaction) { migrationResult = applyMigrationWithTransaction(db, applyMigration, idx); } else { migrationResult = applyMigrationWithoutTransaction(db, applyMigration, idx); } if (migrationResult == MigrationResult::NOT_APPLIED) { continue; } std::stringstream migration_msg; if (migrationResult == MigrationResult::FAILURE) { migration_msg << "migration " << idx << " failed." << std::endl; Logger::log(migration_msg.str()); sqlite3_close(db); throw std::runtime_error(migration_msg.str()); } if (migrationResult == MigrationResult::SUCCESS) { migration_msg << "migration " << idx << " succeeded." << std::endl; Logger::log(migration_msg.str()); } } sqlite3_close(db); } auto &SQLiteQueryExecutor::getStorage() { static auto storage = getEncryptedStorageAtPath(SQLiteQueryExecutor::sqliteFilePath); return storage; } SQLiteQueryExecutor::SQLiteQueryExecutor() { SQLiteQueryExecutor::migrate(); } SQLiteQueryExecutor::SQLiteQueryExecutor(std::string sqliteFilePath) { SQLiteQueryExecutor::sqliteFilePath = sqliteFilePath; SQLiteQueryExecutor::migrate(); } std::string SQLiteQueryExecutor::getDraft(std::string key) const { std::unique_ptr draft = SQLiteQueryExecutor::getStorage().get_pointer(key); return (draft == nullptr) ? "" : draft->text; } std::unique_ptr SQLiteQueryExecutor::getThread(std::string threadID) const { return SQLiteQueryExecutor::getStorage().get_pointer(threadID); } void SQLiteQueryExecutor::updateDraft(std::string key, std::string text) const { Draft draft = {key, text}; SQLiteQueryExecutor::getStorage().replace(draft); } bool SQLiteQueryExecutor::moveDraft(std::string oldKey, std::string newKey) const { std::unique_ptr draft = SQLiteQueryExecutor::getStorage().get_pointer(oldKey); if (draft == nullptr) { return false; } draft->key = newKey; SQLiteQueryExecutor::getStorage().replace(*draft); SQLiteQueryExecutor::getStorage().remove(oldKey); return true; } std::vector SQLiteQueryExecutor::getAllDrafts() const { return SQLiteQueryExecutor::getStorage().get_all(); } void SQLiteQueryExecutor::removeAllDrafts() const { SQLiteQueryExecutor::getStorage().remove_all(); } void SQLiteQueryExecutor::removeAllMessages() const { SQLiteQueryExecutor::getStorage().remove_all(); } std::vector>> SQLiteQueryExecutor::getAllMessages() const { auto rows = SQLiteQueryExecutor::getStorage().select( columns( &Message::id, &Message::local_id, &Message::thread, &Message::user, &Message::type, &Message::future_type, &Message::content, &Message::time, &Media::id, &Media::container, &Media::thread, &Media::uri, &Media::type, &Media::extras), left_join(on(c(&Message::id) == &Media::container)), order_by(&Message::id)); std::vector>> allMessages; allMessages.reserve(rows.size()); std::string prev_msg_idx{}; for (auto &row : rows) { auto msg_id = std::get<0>(row); if (msg_id == prev_msg_idx) { allMessages.back().second.push_back(Media{ std::get<8>(row), std::move(std::get<9>(row)), std::move(std::get<10>(row)), std::move(std::get<11>(row)), std::move(std::get<12>(row)), std::move(std::get<13>(row)), }); } else { std::vector mediaForMsg; if (!std::get<8>(row).empty()) { mediaForMsg.push_back(Media{ std::get<8>(row), std::move(std::get<9>(row)), std::move(std::get<10>(row)), std::move(std::get<11>(row)), std::move(std::get<12>(row)), std::move(std::get<13>(row)), }); } allMessages.push_back(std::make_pair( Message{ msg_id, std::move(std::get<1>(row)), std::move(std::get<2>(row)), std::move(std::get<3>(row)), std::get<4>(row), std::move(std::get<5>(row)), std::move(std::get<6>(row)), std::get<7>(row)}, mediaForMsg)); prev_msg_idx = msg_id; } } return allMessages; } void SQLiteQueryExecutor::removeMessages( const std::vector &ids) const { SQLiteQueryExecutor::getStorage().remove_all( where(in(&Message::id, ids))); } void SQLiteQueryExecutor::removeMessagesForThreads( const std::vector &threadIDs) const { SQLiteQueryExecutor::getStorage().remove_all( where(in(&Message::thread, threadIDs))); } void SQLiteQueryExecutor::replaceMessage(const Message &message) const { SQLiteQueryExecutor::getStorage().replace(message); } void SQLiteQueryExecutor::rekeyMessage(std::string from, std::string to) const { auto msg = SQLiteQueryExecutor::getStorage().get(from); msg.id = to; SQLiteQueryExecutor::getStorage().replace(msg); SQLiteQueryExecutor::getStorage().remove(from); } void SQLiteQueryExecutor::removeAllMedia() const { SQLiteQueryExecutor::getStorage().remove_all(); } void SQLiteQueryExecutor::removeMediaForMessages( const std::vector &msg_ids) const { SQLiteQueryExecutor::getStorage().remove_all( where(in(&Media::container, msg_ids))); } void SQLiteQueryExecutor::removeMediaForMessage(std::string msg_id) const { SQLiteQueryExecutor::getStorage().remove_all( where(c(&Media::container) == msg_id)); } void SQLiteQueryExecutor::removeMediaForThreads( const std::vector &thread_ids) const { SQLiteQueryExecutor::getStorage().remove_all( where(in(&Media::thread, thread_ids))); } void SQLiteQueryExecutor::replaceMedia(const Media &media) const { SQLiteQueryExecutor::getStorage().replace(media); } void SQLiteQueryExecutor::rekeyMediaContainers(std::string from, std::string to) const { SQLiteQueryExecutor::getStorage().update_all( set(c(&Media::container) = to), where(c(&Media::container) == from)); } void SQLiteQueryExecutor::replaceMessageStoreThreads( const std::vector &threads) const { for (auto &thread : threads) { SQLiteQueryExecutor::getStorage().replace(thread); } } void SQLiteQueryExecutor::removeAllMessageStoreThreads() const { SQLiteQueryExecutor::getStorage().remove_all(); } void SQLiteQueryExecutor::removeMessageStoreThreads( const std::vector &ids) const { SQLiteQueryExecutor::getStorage().remove_all( where(in(&MessageStoreThread::id, ids))); } std::vector SQLiteQueryExecutor::getAllMessageStoreThreads() const { return SQLiteQueryExecutor::getStorage().get_all(); } std::vector SQLiteQueryExecutor::getAllThreads() const { return SQLiteQueryExecutor::getStorage().get_all(); }; void SQLiteQueryExecutor::removeThreads(std::vector ids) const { SQLiteQueryExecutor::getStorage().remove_all( where(in(&Thread::id, ids))); }; void SQLiteQueryExecutor::replaceThread(const Thread &thread) const { SQLiteQueryExecutor::getStorage().replace(thread); }; void SQLiteQueryExecutor::removeAllThreads() const { SQLiteQueryExecutor::getStorage().remove_all(); }; void SQLiteQueryExecutor::replaceReport(const Report &report) const { SQLiteQueryExecutor::getStorage().replace(report); } void SQLiteQueryExecutor::removeAllReports() const { SQLiteQueryExecutor::getStorage().remove_all(); } void SQLiteQueryExecutor::removeReports( const std::vector &ids) const { SQLiteQueryExecutor::getStorage().remove_all( where(in(&Report::id, ids))); } std::vector SQLiteQueryExecutor::getAllReports() const { return SQLiteQueryExecutor::getStorage().get_all(); } void SQLiteQueryExecutor::setPersistStorageItem( std::string key, std::string item) const { PersistItem entry{ key, item, }; SQLiteQueryExecutor::getStorage().replace(entry); } void SQLiteQueryExecutor::removePersistStorageItem(std::string key) const { SQLiteQueryExecutor::getStorage().remove(key); } std::string SQLiteQueryExecutor::getPersistStorageItem(std::string key) const { std::unique_ptr entry = SQLiteQueryExecutor::getStorage().get_pointer(key); return (entry == nullptr) ? "" : entry->item; } void SQLiteQueryExecutor::replaceUser(const UserInfo &user_info) const { SQLiteQueryExecutor::getStorage().replace(user_info); } void SQLiteQueryExecutor::removeAllUsers() const { SQLiteQueryExecutor::getStorage().remove_all(); } void SQLiteQueryExecutor::removeUsers( const std::vector &ids) const { SQLiteQueryExecutor::getStorage().remove_all( where(in(&UserInfo::id, ids))); } std::vector SQLiteQueryExecutor::getAllUsers() const { return SQLiteQueryExecutor::getStorage().get_all(); } void SQLiteQueryExecutor::beginTransaction() const { SQLiteQueryExecutor::getStorage().begin_transaction(); } void SQLiteQueryExecutor::commitTransaction() const { SQLiteQueryExecutor::getStorage().commit(); } void SQLiteQueryExecutor::rollbackTransaction() const { SQLiteQueryExecutor::getStorage().rollback(); } std::vector SQLiteQueryExecutor::getOlmPersistSessionsData() const { return SQLiteQueryExecutor::getStorage().get_all(); } std::optional SQLiteQueryExecutor::getOlmPersistAccountData() const { std::vector result = SQLiteQueryExecutor::getStorage().get_all(); if (result.size() > 1) { throw std::system_error( ECANCELED, std::generic_category(), "Multiple records found for the olm_persist_account table"); } return (result.size() == 0) ? std::nullopt : std::optional(result[0].account_data); } void SQLiteQueryExecutor::storeOlmPersistData(crypto::Persist persist) const { OlmPersistAccount persistAccount = { ACCOUNT_ID, std::string(persist.account.begin(), persist.account.end())}; SQLiteQueryExecutor::getStorage().replace(persistAccount); for (auto it = persist.sessions.begin(); it != persist.sessions.end(); it++) { OlmPersistSession persistSession = { it->first, std::string(it->second.begin(), it->second.end())}; SQLiteQueryExecutor::getStorage().replace(persistSession); } } void SQLiteQueryExecutor::setNotifyToken(std::string token) const { this->setMetadata("notify_token", token); } void SQLiteQueryExecutor::clearNotifyToken() const { this->clearMetadata("notify_token"); } void SQLiteQueryExecutor::setCurrentUserID(std::string userID) const { this->setMetadata("current_user_id", userID); } std::string SQLiteQueryExecutor::getCurrentUserID() const { return this->getMetadata("current_user_id"); } void SQLiteQueryExecutor::setMetadata(std::string entry_name, std::string data) const { Metadata entry{ entry_name, data, }; SQLiteQueryExecutor::getStorage().replace(entry); } void SQLiteQueryExecutor::clearMetadata(std::string entry_name) const { SQLiteQueryExecutor::getStorage().remove(entry_name); } std::string SQLiteQueryExecutor::getMetadata(std::string entry_name) const { std::unique_ptr entry = SQLiteQueryExecutor::getStorage().get_pointer(entry_name); return (entry == nullptr) ? "" : entry->data; } #ifdef EMSCRIPTEN std::vector SQLiteQueryExecutor::getAllThreadsWeb() const { auto threads = SQLiteQueryExecutor::getStorage().get_all(); std::vector webThreads; webThreads.reserve(threads.size()); for (const auto &thread : threads) { webThreads.emplace_back(thread); } return webThreads; }; void SQLiteQueryExecutor::replaceThreadWeb(const WebThread &thread) const { SQLiteQueryExecutor::getStorage().replace(thread.toThread()); }; #else void SQLiteQueryExecutor::clearSensitiveData() { if (file_exists(SQLiteQueryExecutor::sqliteFilePath) && std::remove(SQLiteQueryExecutor::sqliteFilePath.c_str())) { std::ostringstream errorStream; errorStream << "Failed to delete database file. Details: " << strerror(errno); throw std::system_error(errno, std::generic_category(), errorStream.str()); } SQLiteQueryExecutor::assign_encryption_key(); SQLiteQueryExecutor::migrate(); } void SQLiteQueryExecutor::initialize(std::string &databasePath) { std::call_once(SQLiteQueryExecutor::initialized, [&databasePath]() { SQLiteQueryExecutor::sqliteFilePath = databasePath; folly::Optional maybeEncryptionKey = CommSecureStore::get(SQLiteQueryExecutor::secureStoreEncryptionKeyID); if (file_exists(databasePath) && maybeEncryptionKey) { SQLiteQueryExecutor::encryptionKey = maybeEncryptionKey.value(); return; } SQLiteQueryExecutor::assign_encryption_key(); }); } void SQLiteQueryExecutor::createMainCompaction(std::string backupID) const { std::string finalBackupPath = PlatformSpecificTools::getBackupFilePath(backupID, false); std::string finalAttachmentsPath = PlatformSpecificTools::getBackupFilePath(backupID, true); std::string tempBackupPath = finalBackupPath + "_tmp"; std::string tempAttachmentsPath = finalAttachmentsPath + "_tmp"; if (file_exists(tempBackupPath)) { Logger::log( "Attempting to delete temporary backup file from previous backup " "attempt."); attempt_delete_file( tempBackupPath, "Failed to delete temporary backup file from previous backup attempt."); } if (file_exists(tempAttachmentsPath)) { Logger::log( "Attempting to delete temporary attachments file from previous backup " "attempt."); attempt_delete_file( tempAttachmentsPath, "Failed to delete temporary attachments file from previous backup " "attempt."); } - auto backupStorage = getEncryptedStorageAtPath(tempBackupPath); + auto backupStorage = getEncryptedStorageAtPath( + tempBackupPath, [](sqlite3 *db) { set_encryption_key(db); }); auto backupObj = SQLiteQueryExecutor::getStorage().make_backup_to(backupStorage); int backupResult = backupObj.step(-1); if (backupResult == SQLITE_BUSY || backupResult == SQLITE_LOCKED) { throw std::runtime_error( "Programmer error. Database in transaction during backup attempt."); } else if (backupResult != SQLITE_DONE) { std::stringstream error_message; error_message << "Failed to create database backup. Details: " << sqlite3_errstr(backupResult); throw std::runtime_error(error_message.str()); } backupStorage.vacuum(); attempt_rename_file( tempBackupPath, finalBackupPath, "Failed to rename complete temporary backup file to final backup file."); std::ofstream tempAttachmentsFile(tempAttachmentsPath); if (!tempAttachmentsFile.is_open()) { throw std::runtime_error( "Unable to create attachments file for backup id: " + backupID); } auto blobServiceURIRows = SQLiteQueryExecutor::getStorage().select( columns(&Media::uri), where(like(&Media::uri, "comm-blob-service://%"))); for (const auto &blobServiceURIRow : blobServiceURIRows) { std::string blobServiceURI = std::get<0>(blobServiceURIRow); std::string blobHash = blob_hash_from_blob_service_uri(blobServiceURI); tempAttachmentsFile << blobHash << "\n"; } tempAttachmentsFile.close(); attempt_rename_file( tempAttachmentsPath, finalAttachmentsPath, "Failed to rename complete temporary attachments file to final " "attachments file."); } void SQLiteQueryExecutor::assign_encryption_key() { std::string encryptionKey = comm::crypto::Tools::generateRandomHexString( SQLiteQueryExecutor::sqlcipherEncryptionKeySize); CommSecureStore::set( SQLiteQueryExecutor::secureStoreEncryptionKeyID, encryptionKey); SQLiteQueryExecutor::encryptionKey = encryptionKey; } #endif +void SQLiteQueryExecutor::restoreFromMainCompaction( + std::string mainCompactionPath, + std::string mainCompactionEncryptionKey) const { + + if (!file_exists(mainCompactionPath)) { + throw std::runtime_error("Restore attempt but backup file does not exist."); + } + + sqlite3 *backup_db; + if (!is_database_queryable( + backup_db, true, mainCompactionPath, mainCompactionEncryptionKey)) { + throw std::runtime_error("Backup file or encryption key corrupted."); + } + +// We don't want to run `PRAGMA key = ...;` +// on main web database. The context is here: +// https://linear.app/comm/issue/ENG-6398/issues-with-sqlcipher-on-web +#ifdef EMSCRIPTEN + std::string plaintextBackupPath = mainCompactionPath + "_plaintext"; + if (file_exists(plaintextBackupPath)) { + attempt_delete_file( + plaintextBackupPath, + "Failed to delete plaintext backup file from previous backup attempt."); + } + + std::string plaintextMigrationDBQuery = "PRAGMA key = \"x'" + + mainCompactionEncryptionKey + + "'\";" + "ATTACH DATABASE '" + + plaintextBackupPath + + "' AS plaintext KEY '';" + "SELECT sqlcipher_export('plaintext');" + "DETACH DATABASE plaintext;"; + + sqlite3_open(mainCompactionPath.c_str(), &backup_db); + + char *plaintextMigrationErr; + sqlite3_exec( + backup_db, + plaintextMigrationDBQuery.c_str(), + nullptr, + nullptr, + &plaintextMigrationErr); + sqlite3_close(backup_db); + + if (plaintextMigrationErr) { + std::stringstream error_message; + error_message << "Failed to migrate backup SQLCipher file to plaintext " + "SQLite file. Details" + << plaintextMigrationErr << std::endl; + std::string error_message_str = error_message.str(); + sqlite3_free(plaintextMigrationErr); + + throw std::runtime_error(error_message_str); + } + auto backupStorage = getEncryptedStorageAtPath(plaintextBackupPath); +#else + auto backupStorage = getEncryptedStorageAtPath( + mainCompactionPath, [mainCompactionEncryptionKey](sqlite3 *db) { + set_encryption_key(db, mainCompactionEncryptionKey); + }); +#endif + + auto backupObject = + SQLiteQueryExecutor::getStorage().make_backup_from(backupStorage); + int backupResult = backupObject.step(-1); + + if (backupResult == SQLITE_BUSY || backupResult == SQLITE_LOCKED) { + throw std::runtime_error( + "Programmer error. Database in transaction during restore attempt."); + } else if (backupResult != SQLITE_DONE) { + std::stringstream error_message; + error_message << "Failed to restore database from backup. Details: " + << sqlite3_errstr(backupResult); + throw std::runtime_error(error_message.str()); + } + +#ifdef EMSCRIPTEN + attempt_delete_file( + plaintextBackupPath, + "Failed to delete plaintext compaction file after successful restore."); +#endif + + attempt_delete_file( + mainCompactionPath, + "Failed to delete main compaction file after successful restore."); +} + } // namespace comm diff --git a/native/cpp/CommonCpp/DatabaseManagers/SQLiteQueryExecutor.h b/native/cpp/CommonCpp/DatabaseManagers/SQLiteQueryExecutor.h index 89ffcc005..440054513 100644 --- a/native/cpp/CommonCpp/DatabaseManagers/SQLiteQueryExecutor.h +++ b/native/cpp/CommonCpp/DatabaseManagers/SQLiteQueryExecutor.h @@ -1,98 +1,101 @@ #pragma once #include "../CryptoTools/Persist.h" #include "DatabaseQueryExecutor.h" #include "entities/Draft.h" #include "entities/UserInfo.h" #include #include namespace comm { class SQLiteQueryExecutor : public DatabaseQueryExecutor { static void migrate(); static auto &getStorage(); static std::once_flag initialized; static int sqlcipherEncryptionKeySize; static std::string secureStoreEncryptionKeyID; #ifndef EMSCRIPTEN static void assign_encryption_key(); #endif public: static std::string sqliteFilePath; static std::string encryptionKey; SQLiteQueryExecutor(); SQLiteQueryExecutor(std::string sqliteFilePath); std::unique_ptr getThread(std::string threadID) const override; std::string getDraft(std::string key) const override; void updateDraft(std::string key, std::string text) const override; bool moveDraft(std::string oldKey, std::string newKey) const override; std::vector getAllDrafts() const override; void removeAllDrafts() const override; void removeAllMessages() const override; std::vector>> getAllMessages() const override; void removeMessages(const std::vector &ids) const override; void removeMessagesForThreads( const std::vector &threadIDs) const override; void replaceMessage(const Message &message) const override; void rekeyMessage(std::string from, std::string to) const override; void replaceMessageStoreThreads( const std::vector &threads) const override; void removeMessageStoreThreads(const std::vector &ids) const override; void removeAllMessageStoreThreads() const override; std::vector getAllMessageStoreThreads() const override; void removeAllMedia() const override; void removeMediaForMessages( const std::vector &msg_ids) const override; void removeMediaForMessage(std::string msg_id) const override; void removeMediaForThreads( const std::vector &thread_ids) const override; void replaceMedia(const Media &media) const override; void rekeyMediaContainers(std::string from, std::string to) const override; std::vector getAllThreads() const override; void removeThreads(std::vector ids) const override; void replaceThread(const Thread &thread) const override; void removeAllThreads() const override; void replaceReport(const Report &report) const override; void removeReports(const std::vector &ids) const override; void removeAllReports() const override; std::vector getAllReports() const override; void setPersistStorageItem(std::string key, std::string item) const override; void removePersistStorageItem(std::string key) const override; std::string getPersistStorageItem(std::string key) const override; void replaceUser(const UserInfo &user_info) const override; void removeUsers(const std::vector &ids) const override; void removeAllUsers() const override; std::vector getAllUsers() const override; void beginTransaction() const override; void commitTransaction() const override; void rollbackTransaction() const override; std::vector getOlmPersistSessionsData() const override; std::optional getOlmPersistAccountData() const override; void storeOlmPersistData(crypto::Persist persist) const override; void setNotifyToken(std::string token) const override; void clearNotifyToken() const override; void setCurrentUserID(std::string userID) const override; std::string getCurrentUserID() const override; void setMetadata(std::string entry_name, std::string data) const override; void clearMetadata(std::string entry_name) const override; std::string getMetadata(std::string entry_name) const override; + void restoreFromMainCompaction( + std::string mainCompactionPath, + std::string mainCompactionEncryptionKey) const override; #ifdef EMSCRIPTEN std::vector getAllThreadsWeb() const override; void replaceThreadWeb(const WebThread &thread) const override; #else static void clearSensitiveData(); static void initialize(std::string &databasePath); void createMainCompaction(std::string backupID) const override; #endif }; } // namespace comm diff --git a/web/cpp/SQLiteQueryExecutorBindings.cpp b/web/cpp/SQLiteQueryExecutorBindings.cpp index dab2f5565..58dec12d6 100644 --- a/web/cpp/SQLiteQueryExecutorBindings.cpp +++ b/web/cpp/SQLiteQueryExecutorBindings.cpp @@ -1,129 +1,132 @@ #include "SQLiteQueryExecutor.cpp" #include "entities/Nullable.h" #include #include namespace comm { using namespace emscripten; std::string getExceptionMessage(int exceptionPtr) { if (exceptionPtr == 0) { return std::string("Exception pointer value was null"); } std::exception *e = reinterpret_cast(exceptionPtr); if (e) { return std::string(e->what()); 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class_("SQLiteQueryExecutor") .constructor() .function("updateDraft", &SQLiteQueryExecutor::updateDraft) .function("moveDraft", &SQLiteQueryExecutor::moveDraft) .function("getAllDrafts", &SQLiteQueryExecutor::getAllDrafts) .function("removeAllDrafts", &SQLiteQueryExecutor::removeAllDrafts) .function("setMetadata", &SQLiteQueryExecutor::setMetadata) .function("clearMetadata", &SQLiteQueryExecutor::clearMetadata) .function("getMetadata", &SQLiteQueryExecutor::getMetadata) .function("replaceReport", &SQLiteQueryExecutor::replaceReport) .function("removeReports", &SQLiteQueryExecutor::removeReports) .function("removeAllReports", &SQLiteQueryExecutor::removeAllReports) .function("getAllReports", &SQLiteQueryExecutor::getAllReports) .function( "setPersistStorageItem", &SQLiteQueryExecutor::setPersistStorageItem) .function( "removePersistStorageItem", &SQLiteQueryExecutor::removePersistStorageItem) .function( "getPersistStorageItem", &SQLiteQueryExecutor::getPersistStorageItem) .function("replaceUser", &SQLiteQueryExecutor::replaceUser) .function("removeUsers", &SQLiteQueryExecutor::removeUsers) .function("removeAllUsers", &SQLiteQueryExecutor::removeAllUsers) .function("getAllUsers", &SQLiteQueryExecutor::getAllUsers) .function("replaceThreadWeb", &SQLiteQueryExecutor::replaceThreadWeb) .function("getAllThreadsWeb", &SQLiteQueryExecutor::getAllThreadsWeb) .function("removeAllThreads", &SQLiteQueryExecutor::removeAllThreads) .function("removeThreads", &SQLiteQueryExecutor::removeThreads) .function("beginTransaction", &SQLiteQueryExecutor::beginTransaction) .function("commitTransaction", &SQLiteQueryExecutor::commitTransaction) .function( - "rollbackTransaction", &SQLiteQueryExecutor::rollbackTransaction); + "rollbackTransaction", &SQLiteQueryExecutor::rollbackTransaction) + .function( + "restoreFromMainCompaction", + &SQLiteQueryExecutor::restoreFromMainCompaction); } } // namespace comm namespace emscripten { namespace internal { template struct BindingType> { using ValBinding = BindingType; using WireType = ValBinding::WireType; static WireType toWireType(const std::vector &vec) { std::vector valVec(vec.begin(), vec.end()); return BindingType::toWireType(val::array(valVec)); } static std::vector fromWireType(WireType value) { return vecFromJSArray(ValBinding::fromWireType(value)); } }; template struct TypeID< T, typename std::enable_if_t::type, std::vector< typename Canonicalized::type::value_type, typename Canonicalized::type::allocator_type>>::value>> { static constexpr TYPEID get() { return TypeID::get(); } }; } // namespace internal } // namespace emscripten diff --git a/web/database/_generated/comm-query-executor.js b/web/database/_generated/comm-query-executor.js index 9d4ff8378..337e489ad 100644 --- a/web/database/_generated/comm-query-executor.js +++ b/web/database/_generated/comm-query-executor.js @@ -1,158 +1,158 @@ // @generated var Module = (() => { var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined; 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