diff --git a/web/cpp/SQLiteQueryExecutorBindings.cpp b/web/cpp/SQLiteQueryExecutorBindings.cpp index 8662ae9d0..dab2f5565 100644 --- a/web/cpp/SQLiteQueryExecutorBindings.cpp +++ b/web/cpp/SQLiteQueryExecutorBindings.cpp @@ -1,115 +1,129 @@ #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()); + } + return std::string("Pointer to exception was invalid"); +} + EMSCRIPTEN_BINDINGS(SQLiteQueryExecutor) { + function("getExceptionMessage", &getExceptionMessage); + value_object("NullableString") .field("value", &NullableString::value) .field("isNull", &NullableString::isNull); value_object("Draft") .field("key", &Draft::key) .field("text", &Draft::text); value_object("Report") .field("id", &Report::id) .field("report", &Report::report); value_object("PersistItem") .field("key", &PersistItem::key) .field("item", &PersistItem::item); value_object("UserInfo") .field("id", &UserInfo::id) .field("userInfo", &UserInfo::user_info); value_object("WebThread") .field("id", &WebThread::id) .field("type", &WebThread::type) .field("name", &WebThread::name) .field("description", &WebThread::description) .field("color", &WebThread::color) .field("creationTime", &WebThread::creation_time) .field("parentThreadID", &WebThread::parent_thread_id) .field("containingThreadID", &WebThread::containing_thread_id) .field("community", &WebThread::community) .field("members", &WebThread::members) .field("roles", &WebThread::roles) .field("currentUser", &WebThread::current_user) .field("sourceMessageID", &WebThread::source_message_id) .field("repliesCount", &WebThread::replies_count) .field("avatar", &WebThread::avatar) .field("pinnedCount", &WebThread::pinned_count); 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); } } // 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 973140e42..d4dbfe15c 100644 --- a/web/database/_generated/comm-query-executor.js +++ b/web/database/_generated/comm-query-executor.js @@ -1,156 +1,156 @@ // @generated var Module = (() => { var _scriptDir = typeof document !== 'undefined' && document.currentScript ? 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N.Ga(8);if(!a.seekable||!a.Ka.cb)throw new N.Ga(70);if(0!=c&&1!=c&&2!=c)throw new N.Ga(28);a.position=a.Ka.cb(a,b,c);a.Ud=[];return a.position},read:(a,b,c,d,f)=>{if(0>d||0>f)throw new N.Ga(28);if(N.Cb(a))throw new N.Ga(8);if(1===(a.flags&2097155))throw new N.Ga(8);if(N.Sa(a.node.mode))throw new N.Ga(31);if(!a.Ka.read)throw new N.Ga(28);var g="undefined"!=typeof f;if(!g)f=a.position;else if(!a.seekable)throw new N.Ga(70); +b=a.Ka.read(a,b,c,d,f);g||(a.position+=b);return b},write:(a,b,c,d,f,g)=>{if(0>d||0>f)throw new N.Ga(28);if(N.Cb(a))throw new N.Ga(8);if(0===(a.flags&2097155))throw new N.Ga(8);if(N.Sa(a.node.mode))throw new N.Ga(31);if(!a.Ka.write)throw new N.Ga(28);a.seekable&&a.flags&1024&&N.cb(a,0,2);var k="undefined"!=typeof f;if(!k)f=a.position;else if(!a.seekable)throw new N.Ga(70);b=a.Ka.write(a,b,c,d,f,g);k||(a.position+=b);return b},Bb:(a,b,c)=>{if(N.Cb(a))throw new N.Ga(8);if(0>b||0>=c)throw new N.Ga(28); +if(0===(a.flags&2097155))throw new 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remotePackageName: string, remotePackageSize: number, ): ArrayBuffer; instantiateWasm( imports: Emscripten$WebAssemblyImports, successCallback: (module: WebAssembly$Module) => void, ): Emscripten$WebAssemblyExports; locateFile(url: string, scriptDirectory?: string): string; onCustomMessage(event: MessageEvent): void; HEAP: Int32Array; IHEAP: Int32Array; FHEAP: Float64Array; HEAP8: Int8Array; HEAP16: Int16Array; HEAP32: Int32Array; HEAPU8: Uint8Array; HEAPU16: Uint16Array; HEAPU32: Uint32Array; HEAPF32: Float32Array; HEAPF64: Float64Array; TOTAL_STACK: number; TOTAL_MEMORY: number; FAST_MEMORY: number; _malloc(size: number): number; _free(ptr: number): void; FS: FS; SQLiteQueryExecutor: SQLiteQueryExecutorType; + getExceptionMessage(exceptionPtr: number): string; } diff --git a/web/database/worker/db-worker.js b/web/database/worker/db-worker.js index 043a797de..2ecfcd70b 100644 --- a/web/database/worker/db-worker.js +++ b/web/database/worker/db-worker.js @@ -1,256 +1,260 @@ // @flow import localforage from 'localforage'; import { getClientStore, processDBStoreOperations, } from './process-operations.js'; import { decryptData, encryptData, generateCryptoKey, importJWKKey, type EncryptedData, } from '../../crypto/aes-gcm-crypto-utils.js'; import { type SharedWorkerMessageEvent, type WorkerRequestMessage, type WorkerResponseMessage, workerRequestMessageTypes, workerResponseMessageTypes, type WorkerRequestProxyMessage, workerWriteRequests, } from '../../types/worker-types.js'; import { getDatabaseModule } from '../db-module.js'; import { type EmscriptenModule } from '../types/module.js'; import { type SQLiteQueryExecutor } from '../types/sqlite-query-executor.js'; import { COMM_SQLITE_DATABASE_PATH, CURRENT_USER_ID_KEY, localforageConfig, SQLITE_CONTENT, SQLITE_ENCRYPTION_KEY, } from '../utils/constants.js'; import { clearSensitiveData, exportDatabaseContent, importDatabaseContent, } from '../utils/db-utils.js'; localforage.config(localforageConfig); let encryptionKey: ?CryptoKey = null; let sqliteQueryExecutor: ?SQLiteQueryExecutor = null; let dbModule: ?EmscriptenModule = null; let persistNeeded: boolean = false; let persistInProgress: boolean = false; async function initDatabase( databaseModuleFilePath: string, commQueryExecutorFilename: ?string, encryptionKeyJWK?: ?SubtleCrypto$JsonWebKey, ) { const newModule = getDatabaseModule( commQueryExecutorFilename, databaseModuleFilePath, ); dbModule = newModule; if (encryptionKeyJWK) { encryptionKey = await importJWKKey(encryptionKeyJWK); } else { encryptionKey = await localforage.getItem(SQLITE_ENCRYPTION_KEY); if (!encryptionKey) { const cryptoKey = await generateCryptoKey({ extractable: false }); await localforage.setItem(SQLITE_ENCRYPTION_KEY, cryptoKey); } } const encryptedContent = await localforage.getItem( SQLITE_CONTENT, ); let dbContent = null; try { if (encryptionKey && encryptedContent) { dbContent = await decryptData(encryptedContent, encryptionKey); } } catch (e) { console.error('Error while decrypting content, clearing database content'); await localforage.removeItem(SQLITE_CONTENT); } if (dbContent) { importDatabaseContent(dbContent, newModule, COMM_SQLITE_DATABASE_PATH); console.info( 'Database exists and is properly encrypted, using persisted data', ); } else { console.info('Creating fresh database'); } sqliteQueryExecutor = new newModule.SQLiteQueryExecutor( COMM_SQLITE_DATABASE_PATH, ); } async function persist() { persistInProgress = true; const module = dbModule; if (!sqliteQueryExecutor || !module) { persistInProgress = false; throw new Error( 'Database not initialized while persisting database content', ); } if (!encryptionKey) { encryptionKey = await localforage.getItem(SQLITE_ENCRYPTION_KEY); } while (persistNeeded) { persistNeeded = false; const dbData = exportDatabaseContent(module, COMM_SQLITE_DATABASE_PATH); if (!encryptionKey) { persistInProgress = false; throw new Error('Encryption key is missing'); } const encryptedData = await encryptData(dbData, encryptionKey); await localforage.setItem(SQLITE_CONTENT, encryptedData); } persistInProgress = false; } async function processAppRequest( message: WorkerRequestMessage, ): Promise { // non-database operations if (message.type === workerRequestMessageTypes.PING) { return { type: workerResponseMessageTypes.PONG, text: 'PONG', }; } else if ( message.type === workerRequestMessageTypes.GENERATE_DATABASE_ENCRYPTION_KEY ) { const cryptoKey = await generateCryptoKey({ extractable: false }); await localforage.setItem(SQLITE_ENCRYPTION_KEY, cryptoKey); return undefined; } // database operations if (message.type === workerRequestMessageTypes.INIT) { await initDatabase( message.databaseModuleFilePath, message.commQueryExecutorFilename, message.encryptionKey, ); return undefined; } else if (message.type === workerRequestMessageTypes.CLEAR_SENSITIVE_DATA) { encryptionKey = null; await localforage.clear(); if (dbModule && sqliteQueryExecutor) { clearSensitiveData( dbModule, COMM_SQLITE_DATABASE_PATH, sqliteQueryExecutor, ); } sqliteQueryExecutor = null; return undefined; } if (!sqliteQueryExecutor) { throw new Error( `Database not initialized, unable to process request type: ${message.type}`, ); } // read-only operations if (message.type === workerRequestMessageTypes.GET_CLIENT_STORE) { return { type: workerResponseMessageTypes.CLIENT_STORE, store: getClientStore(sqliteQueryExecutor), }; } else if (message.type === workerRequestMessageTypes.GET_CURRENT_USER_ID) { return { type: workerResponseMessageTypes.GET_CURRENT_USER_ID, userID: sqliteQueryExecutor.getMetadata(CURRENT_USER_ID_KEY), }; } else if ( message.type === workerRequestMessageTypes.GET_PERSIST_STORAGE_ITEM ) { return { type: workerResponseMessageTypes.GET_PERSIST_STORAGE_ITEM, item: sqliteQueryExecutor.getPersistStorageItem(message.key), }; } // write operations if (!workerWriteRequests.includes(message.type)) { throw new Error('Request type not supported'); } - if (!sqliteQueryExecutor) { + if (!sqliteQueryExecutor || !dbModule) { throw new Error( `Database not initialized, unable to process request type: ${message.type}`, ); } if (message.type === workerRequestMessageTypes.PROCESS_STORE_OPERATIONS) { - processDBStoreOperations(sqliteQueryExecutor, message.storeOperations); + processDBStoreOperations( + sqliteQueryExecutor, + message.storeOperations, + dbModule, + ); } else if (message.type === workerRequestMessageTypes.SET_CURRENT_USER_ID) { sqliteQueryExecutor.setMetadata(CURRENT_USER_ID_KEY, message.userID); } else if ( message.type === workerRequestMessageTypes.SET_PERSIST_STORAGE_ITEM ) { sqliteQueryExecutor.setPersistStorageItem(message.key, message.item); } else if ( message.type === workerRequestMessageTypes.REMOVE_PERSIST_STORAGE_ITEM ) { sqliteQueryExecutor.removePersistStorageItem(message.key); } persistNeeded = true; if (!persistInProgress) { void persist(); } return undefined; } function connectHandler(event: SharedWorkerMessageEvent) { if (!event.ports.length) { return; } const port: MessagePort = event.ports[0]; console.log('Web database worker alive!'); port.onmessage = async function (messageEvent: MessageEvent) { const data: WorkerRequestProxyMessage = (messageEvent.data: any); const { id, message } = data; if (!id) { port.postMessage({ error: 'Request without identifier', }); } try { const result = await processAppRequest(message); port.postMessage({ id, message: result, }); } catch (e) { port.postMessage({ id, error: e.message, }); } }; } self.addEventListener('connect', connectHandler); diff --git a/web/database/worker/process-operations.js b/web/database/worker/process-operations.js index b4541c23d..6e301800a 100644 --- a/web/database/worker/process-operations.js +++ b/web/database/worker/process-operations.js @@ -1,144 +1,176 @@ // @flow import type { ClientDBReportStoreOperation } from 'lib/ops/report-store-ops.js'; import type { ClientDBThreadStoreOperation } from 'lib/ops/thread-store-ops.js'; import type { ClientDBDraftStoreOperation, DraftStoreOperation, } from 'lib/types/draft-types.js'; import type { ClientDBStore, ClientDBStoreOperations, } from 'lib/types/store-ops-types.js'; import { getMessageForException } from 'lib/utils/errors.js'; import { clientDBThreadInfoToWebThread, webThreadToClientDBThreadInfo, } from '../types/entities.js'; +import type { EmscriptenModule } from '../types/module.js'; import type { SQLiteQueryExecutor } from '../types/sqlite-query-executor.js'; +function getProcessingStoreOpsExceptionMessage( + e: mixed, + module: EmscriptenModule, +): string { + if (typeof e === 'number') { + return module.getExceptionMessage(e); + } + return getMessageForException(e) ?? 'unknown error'; +} function processDraftStoreOperations( sqliteQueryExecutor: SQLiteQueryExecutor, operations: $ReadOnlyArray, + module: EmscriptenModule, ) { for (const operation: DraftStoreOperation of operations) { try { if (operation.type === 'remove_all') { sqliteQueryExecutor.removeAllDrafts(); } else if (operation.type === 'update') { const { key, text } = operation.payload; sqliteQueryExecutor.updateDraft(key, text); } else if (operation.type === 'move') { const { oldKey, newKey } = operation.payload; sqliteQueryExecutor.moveDraft(oldKey, newKey); } else { throw new Error('Unsupported draft operation'); } } catch (e) { throw new Error( - `Error while processing draft operation: ${operation.type}: ${ - getMessageForException(e) ?? 'unknown error' - }`, + `Error while processing ${ + operation.type + } draft operation: ${getProcessingStoreOpsExceptionMessage(e, module)}`, ); } } } function processReportStoreOperations( sqliteQueryExecutor: SQLiteQueryExecutor, operations: $ReadOnlyArray, + module: EmscriptenModule, ) { for (const operation: ClientDBReportStoreOperation of operations) { try { if (operation.type === 'remove_all_reports') { sqliteQueryExecutor.removeAllReports(); } else if (operation.type === 'remove_reports') { const { ids } = operation.payload; sqliteQueryExecutor.removeReports(ids); } else if (operation.type === 'replace_report') { const { id, report } = operation.payload; sqliteQueryExecutor.replaceReport({ id, report }); } else { throw new Error('Unsupported report operation'); } } catch (e) { throw new Error( - `Error while processing report operation: ${operation.type}: ${ - getMessageForException(e) ?? 'unknown error' - }`, + `Error while processing ${ + operation.type + } report operation: ${getProcessingStoreOpsExceptionMessage( + e, + module, + )}`, ); } } } function processThreadStoreOperations( sqliteQueryExecutor: SQLiteQueryExecutor, operations: $ReadOnlyArray, + module: EmscriptenModule, ) { for (const operation: ClientDBThreadStoreOperation of operations) { try { if (operation.type === 'remove_all') { sqliteQueryExecutor.removeAllThreads(); } else if (operation.type === 'remove') { const { ids } = operation.payload; sqliteQueryExecutor.removeThreads(ids); } else if (operation.type === 'replace') { sqliteQueryExecutor.replaceThreadWeb( clientDBThreadInfoToWebThread(operation.payload), ); } else { throw new Error('Unsupported thread operation'); } } catch (e) { throw new Error( - `Error while processing thread operation: ${operation.type}: ${ - getMessageForException(e) ?? 'unknown error' - }`, + `Error while processing ${ + operation.type + } thread operation: ${getProcessingStoreOpsExceptionMessage( + e, + module, + )}`, ); } } } function processDBStoreOperations( sqliteQueryExecutor: SQLiteQueryExecutor, storeOperations: ClientDBStoreOperations, + module: EmscriptenModule, ) { const { draftStoreOperations, reportStoreOperations, threadStoreOperations } = storeOperations; try { sqliteQueryExecutor.beginTransaction(); if (draftStoreOperations && draftStoreOperations.length > 0) { - processDraftStoreOperations(sqliteQueryExecutor, draftStoreOperations); + processDraftStoreOperations( + sqliteQueryExecutor, + draftStoreOperations, + module, + ); } if (reportStoreOperations && reportStoreOperations.length > 0) { - processReportStoreOperations(sqliteQueryExecutor, reportStoreOperations); + processReportStoreOperations( + sqliteQueryExecutor, + reportStoreOperations, + module, + ); } if (threadStoreOperations && threadStoreOperations.length > 0) { - processThreadStoreOperations(sqliteQueryExecutor, threadStoreOperations); + processThreadStoreOperations( + sqliteQueryExecutor, + threadStoreOperations, + module, + ); } sqliteQueryExecutor.commitTransaction(); } catch (e) { sqliteQueryExecutor.rollbackTransaction(); console.log('Error while processing store ops: ', e); throw e; } } function getClientStore( sqliteQueryExecutor: SQLiteQueryExecutor, ): ClientDBStore { return { drafts: sqliteQueryExecutor.getAllDrafts(), messages: [], threads: sqliteQueryExecutor .getAllThreadsWeb() .map(t => webThreadToClientDBThreadInfo(t)), messageStoreThreads: [], reports: sqliteQueryExecutor.getAllReports(), users: [], }; } export { processDBStoreOperations, getClientStore };