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Licensed under the Apache License, Version 2.0.
// YuguClient: REST calls with idempotency and retry, streaming sessions, lifecycle (DESIGN 2).
import { applyPrecheck, AudioPrecheck, isPrecheckMode, precheckAudio, resolveAudioInput } from './audio.js';
import {
describeError,
isRetryable,
localError,
RequestCancelledException,
YuguError,
YuguErrors,
} from './errors.js';
import { getHeader } from './headers.js';
import { resolveIdempotencyKey } from './idempotency.js';
import { callHook, isLogLevel, Logger, LogLevel, redactHeaders } from './logger.js';
import { buildMultipart, CONFIG_PART_CONTENT_TYPE } from './multipart.js';
import { COMPAT_CORE_TYPES, normalizeEvalResult, normalizeTtsResult, resolveTtsUrl } from './result.js';
import {
computeRetryDelay,
DEFAULT_RECONNECT_POLICY,
DEFAULT_RETRY_POLICY,
normalizeReconnectPolicy,
normalizeRetryPolicy,
} from './retry.js';
import { AudioBufferPolicy, DEFAULT_MAX_REPLAY_BYTES, SESSION_CONTEXT, YuguStreamSession } from './session.js';
import { buildSignPayload, importHmacKey, signPayloadWithKey } from './signer.js';
import {
abortableDelay,
isBlobLike,
isBrowserLike,
isFiniteNumber,
isPlainObject,
readBlob,
randomBytes,
stripTrailingSlash,
toBytes,
toExactArrayBuffer,
toHex,
} from './util.js';
import { DEFAULT_BASE_URL, DEFAULT_USER_AGENT, DEFAULT_WS_BASE_URL } from './version.js';
/** Timeouts and limits used when the options leave them out. */
export const CLIENT_DEFAULTS = Object.freeze({
baseUrl: DEFAULT_BASE_URL,
wsBaseUrl: DEFAULT_WS_BASE_URL,
connectTimeoutMs: 10000,
readTimeoutMs: 120000,
totalTimeoutMs: 300000,
resultTimeoutMs: 300000,
heartbeatIntervalMs: 15000,
heartbeatTimeoutMs: 30000,
maxReplayBytes: DEFAULT_MAX_REPLAY_BYTES,
autoIdempotencyKey: true,
logLevel: LogLevel.WARN,
audioPrecheck: AudioPrecheck.WARN,
audioBufferPolicy: AudioBufferPolicy.REPLAY,
heartbeat: 'auto',
userAgent: DEFAULT_USER_AGENT,
});
const RESERVED_QUERY = new Set(['appKey', 'timestamp', 'nonce', 'signature', 'token', 'idempotencyKey']);
function checkMs(value, name, min, max) {
if (!isFiniteNumber(value) || value < min || value > max) {
throw localError(90010, `${name} 必须是 ${min} 到 ${max} 之间的毫秒数`);
}
return value;
}
function optMs(value, fallback, name, min, max) {
return value === undefined || value === null ? fallback : checkMs(value, name, min, max);
}
function optNumber(value, fallback, name, min, max) {
if (value === undefined || value === null) return fallback;
if (!isFiniteNumber(value) || value < min || value > max || !Number.isInteger(value)) {
throw localError(90010, `${name} 必须是 ${min} 到 ${max} 之间的整数`);
}
return value;
}
function checkSignal(signal) {
if (signal == null) return null;
if (typeof signal !== 'object' || typeof signal.addEventListener !== 'function' || !('aborted' in signal)) {
throw localError(90010, 'signal 必须是 AbortSignal');
}
return signal;
}
function checkHeartbeat(v) {
if (v === 'auto' || v === true || v === false) return v;
throw localError(90010, 'heartbeat 只能是 "auto"、true 或 false');
}
function checkBufferPolicy(v) {
if (v === 'REPLAY' || v === 'DROP' || v === 'FAIL') return v;
throw localError(90010, 'audioBufferPolicy 只能是 REPLAY、DROP 或 FAIL');
}
function checkPrecheck(v) {
if (isPrecheckMode(v)) return v;
throw localError(90010, 'audioPrecheck 只能是 OFF、WARN 或 REJECT');
}
function plainNumberText(n, name) {
const s = String(n);
if (!Number.isFinite(n) || /e/i.test(s)) throw localError(90010, `${name} 必须是普通十进制数字`);
return s;
}
function sniffImage(bytes) {
if (bytes.length >= 8 && bytes[0] === 0x89 && bytes[1] === 0x50 && bytes[2] === 0x4e && bytes[3] === 0x47) return ['png', 'image/png'];
if (bytes.length >= 3 && bytes[0] === 0xff && bytes[1] === 0xd8 && bytes[2] === 0xff) return ['jpg', 'image/jpeg'];
if (bytes.length >= 6 && bytes[0] === 0x47 && bytes[1] === 0x49 && bytes[2] === 0x46) return ['gif', 'image/gif'];
if (bytes.length >= 12 && bytes[8] === 0x57 && bytes[9] === 0x45 && bytes[10] === 0x42 && bytes[11] === 0x50) return ['webp', 'image/webp'];
return ['png', 'application/octet-stream'];
}
/**
* Client of the 优谷雅言 speech evaluation platform.
*/
export class YuguClient {
#auth;
#hmacKey = null;
constructor(options) {
const o = options == null ? {} : options;
if (typeof o !== 'object' || Array.isArray(o)) throw localError(90010, 'options 必须是对象');
const a = isPlainObject(o.auth) ? o.auth : {};
const token = o.token != null ? o.token : a.token;
const appKey = o.appKey != null ? o.appKey : a.appKey;
const secretKey = o.secretKey != null ? o.secretKey : a.secretKey;
const hasToken = token != null && token !== '';
const hasKeys = (appKey != null && appKey !== '') || (secretKey != null && secretKey !== '');
if (hasToken && hasKeys) throw localError(90010, 'token 与 appKey 加 secretKey 只能二选一');
if (hasKeys) {
if (typeof appKey !== 'string' || !appKey || typeof secretKey !== 'string' || !secretKey) {
throw localError(90010, '签名鉴权需要同时提供 appKey 与 secretKey');
}
this.#auth = { kind: 'signature', appKey, secretKey };
} else if (hasToken) {
if (typeof token !== 'string' && typeof token !== 'function') throw localError(90010, 'token 必须是字符串或返回字符串的函数');
this.#auth = { kind: 'token', token };
} else {
throw localError(90010, '缺少鉴权信息，需传入 token，或 appKey 加 secretKey');
}
const baseUrl = stripTrailingSlash(o.baseUrl != null ? o.baseUrl : CLIENT_DEFAULTS.baseUrl);
if (!/^https?:\/\/[^/]+/i.test(baseUrl)) throw localError(90010, 'baseUrl 必须以 http:// 或 https:// 开头');
let wsBaseUrl;
if (o.wsBaseUrl != null) wsBaseUrl = stripTrailingSlash(o.wsBaseUrl);
else if (o.baseUrl != null) wsBaseUrl = baseUrl.replace(/^http/i, 'ws');
else wsBaseUrl = CLIENT_DEFAULTS.wsBaseUrl;
if (!/^wss?:\/\/[^/]+/i.test(wsBaseUrl)) throw localError(90010, 'wsBaseUrl 必须以 ws:// 或 wss:// 开头');
this._baseUrl = baseUrl;
this._wsBaseUrl = wsBaseUrl;
this._connectTimeoutMs = optMs(o.connectTimeoutMs, CLIENT_DEFAULTS.connectTimeoutMs, 'connectTimeoutMs', 1, 600000);
this._readTimeoutMs = optMs(o.readTimeoutMs, CLIENT_DEFAULTS.readTimeoutMs, 'readTimeoutMs', 1, 3600000);
this._totalTimeoutMs = optMs(o.totalTimeoutMs, CLIENT_DEFAULTS.totalTimeoutMs, 'totalTimeoutMs', 1, 3600000);
this._resultTimeoutMs = optMs(o.resultTimeoutMs, CLIENT_DEFAULTS.resultTimeoutMs, 'resultTimeoutMs', 1, 3600000);
this._heartbeatIntervalMs = optMs(o.heartbeatIntervalMs, CLIENT_DEFAULTS.heartbeatIntervalMs, 'heartbeatIntervalMs', 1, 600000);
this._heartbeatTimeoutMs = optMs(o.heartbeatTimeoutMs, CLIENT_DEFAULTS.heartbeatTimeoutMs, 'heartbeatTimeoutMs', 1, 600000);
this._maxReplayBytes = optNumber(o.maxReplayBytes, CLIENT_DEFAULTS.maxReplayBytes, 'maxReplayBytes', 0, 64 * 1024 * 1024);
this._retry = normalizeRetryPolicy(o.retry, DEFAULT_RETRY_POLICY);
this._reconnect = normalizeReconnectPolicy(o.reconnect, DEFAULT_RECONNECT_POLICY);
this._bufferPolicy = checkBufferPolicy(o.audioBufferPolicy != null ? o.audioBufferPolicy : CLIENT_DEFAULTS.audioBufferPolicy);
this._heartbeat = checkHeartbeat(o.heartbeat !== undefined ? o.heartbeat : CLIENT_DEFAULTS.heartbeat);
this._autoKey = o.autoIdempotencyKey !== false;
this._precheck = checkPrecheck(o.audioPrecheck != null ? o.audioPrecheck : CLIENT_DEFAULTS.audioPrecheck);
this._strictAudio = o.strictAudio === true;
const level = o.logLevel != null ? o.logLevel : CLIENT_DEFAULTS.logLevel;
if (!isLogLevel(level)) throw localError(90010, 'logLevel 只能是 OFF、ERROR、WARN、INFO、DEBUG');
if (o.logger != null && typeof o.logger !== 'function') throw localError(90010, 'logger 必须是函数 (level, tag, message, error)');
const secrets = [this.#auth.secretKey, typeof this.#auth.token === 'string' ? this.#auth.token : null];
this._logger = new Logger(level, o.logger, secrets);
if (o.eventListener != null && typeof o.eventListener !== 'object') throw localError(90010, 'eventListener 必须是对象');
this._events = o.eventListener || null;
if (o.userAgent != null && (typeof o.userAgent !== 'string' || !/^[\x20-\x7E]{1,200}$/.test(o.userAgent))) {
throw localError(90010, 'userAgent 必须是可见 ASCII 字符串');
}
this._userAgent = o.userAgent || CLIENT_DEFAULTS.userAgent;
this._sdkHeader = isBrowserLike() ? 'X-Yugu-SDK' : 'User-Agent';
if (o.fetch != null && typeof o.fetch !== 'function') throw localError(90010, 'fetch 必须是函数');
this._fetch = o.fetch || (typeof fetch === 'function' ? (url, init) => fetch(url, init) : null);
if (o.WebSocket != null && typeof o.WebSocket !== 'function') throw localError(90010, 'WebSocket 必须是构造函数');
this._WebSocket = o.WebSocket || (typeof WebSocket === 'function' ? WebSocket : null);
this._crypto = o.crypto || null;
if (o.random != null && typeof o.random !== 'function') throw localError(90010, 'random 必须是函数');
this._random = o.random || Math.random;
this._closed = false;
this._closePromise = null;
this._closeController = new AbortController();
this._sessions = new Set();
this._pingSupport = 'unknown';
this._ctx = null;
this._logger.debug('client', `created: base ${baseUrl}, ws ${wsBaseUrl}, auth ${this.authMode}`);
}
/** REST base URL. */
get baseUrl() {
return this._baseUrl;
}
/** WebSocket base URL. */
get wsBaseUrl() {
return this._wsBaseUrl;
}
/** "signature" (appKey plus secretKey) or "token" (JWT). */
get authMode() {
return this.#auth.kind;
}
/** True with appKey plus secretKey. */
get hasSigAuth() {
return this.#auth.kind === 'signature';
}
/** True with a token. */
get hasTokenAuth() {
return this.#auth.kind === 'token';
}
/** True after close(). */
isClosed() {
return this._closed;
}
/**
* Native whole-utterance evaluation, POST /api/v1/evaluate.
* audio: Blob, File, ArrayBuffer or any ArrayBufferView (WAV or MP3; raw PCM with audioFormat "pcm").
*/
async evaluate(audio, config, options) {
this._ensureOpen();
const opts = this._callOptions(options, true);
if (!isPlainObject(config)) throw localError(90010, 'config 必须是对象');
if (typeof config.coreType !== 'string' || !config.coreType) throw localError(90010, 'config.coreType 必填');
if (typeof config.referenceText !== 'string') throw localError(90010, 'config.referenceText 必填');
const input = await resolveAudioInput(audio, opts, 'audio');
const localWarnings = this._runPrecheck(input.bytes, opts, 'evaluate');
let configText;
try {
configText = JSON.stringify(config);
} catch (e) {
throw localError(90010, `config 无法序列化为 JSON：${e && e.message}`);
}
const parts = [
{ name: 'config', value: configText, contentType: CONFIG_PART_CONTENT_TYPE },
{ name: 'audio', data: input.bytes, filename: input.filename, contentType: input.contentType },
];
if (opts.image != null) parts.push(await this._imagePart(opts.image));
const mp = buildMultipart(parts, { crypto: this._crypto });
const res = await this._execute(
'evaluate',
{ method: 'POST', path: '/api/v1/evaluate', body: mp.body, contentType: mp.contentType, signParams: { config: configText } },
opts,
);
const result = normalizeEvalResult(res.json, {
mode: 'native',
coreType: config.coreType,
idempotencyKey: opts.idempotencyKey,
replayed: res.replayed,
localWarnings,
});
this._strictCheck(result, opts, res.attempts);
return result;
}
/**
* Shengtong compatible evaluation, POST /{coreType} with form fields (signed) and the audio file.
*/
async evaluateCompat(coreType, params, audio, options) {
this._ensureOpen();
const opts = this._callOptions(options, true);
this._checkCompatCoreType(coreType);
if (this.#auth.kind !== 'signature') {
// The platform rejects compat REST calls without X-App-Key (CONTRACT 3.2).
throw localError(90010, '声通兼容整段评测需要 appKey 加 secretKey 签名鉴权，平台要求请求头 X-App-Key');
}
const fields = this._compatFields(params);
const input = await resolveAudioInput(audio, opts, 'audio');
const localWarnings = this._runPrecheck(input.bytes, opts, 'evaluateCompat');
const parts = Object.keys(fields).map((name) => ({ name, value: fields[name] }));
parts.push({ name: 'audio', data: input.bytes, filename: input.filename, contentType: input.contentType });
const mp = buildMultipart(parts, { crypto: this._crypto });
const res = await this._execute(
'evaluateCompat',
{ method: 'POST', path: `/${coreType}`, body: mp.body, contentType: mp.contentType, signParams: fields },
opts,
);
const result = normalizeEvalResult(res.json, {
mode: 'compat',
coreType,
idempotencyKey: opts.idempotencyKey,
replayed: res.replayed,
localWarnings,
});
this._strictCheck(result, opts, res.attempts);
return result;
}
/** Text to speech, POST /api/v1/tts/generate (JSON body, top-level scalars signed). */
async tts(request, options) {
this._ensureOpen();
const opts = this._callOptions(options, true);
if (!isPlainObject(request)) throw localError(90010, 'tts 请求必须是对象');
if (typeof request.text !== 'string' || !request.text) throw localError(90010, 'text 必填');
const body = Object.assign(
{ text: request.text, language: 'zh-CN', format: 'mp3', speed: 50, pitch: 50, volume: 50, style: null },
request,
);
for (const k of Object.keys(body)) if (body[k] === undefined) delete body[k];
const signParams = {};
for (const [k, v] of Object.entries(body)) {
if (v === null) continue;
if (typeof v === 'number') signParams[k] = plainNumberText(v, k);
else if (typeof v === 'boolean') signParams[k] = v ? 'true' : 'false';
else if (typeof v === 'string') signParams[k] = v;
}
const res = await this._execute(
'tts',
{
method: 'POST',
path: '/api/v1/tts/generate',
body: JSON.stringify(body),
contentType: 'application/json; charset=utf-8',
signParams,
envelope: true,
},
opts,
);
return normalizeTtsResult(res.json, { baseUrl: this._baseUrl, idempotencyKey: opts.idempotencyKey, replayed: res.replayed });
}
/** Report of an evaluation, GET /api/v1/report/{recordId}. Retried without a key (naturally idempotent). */
async getReport(recordId, options) {
this._ensureOpen();
const opts = this._callOptions(options, false);
if (typeof recordId !== 'string' || !recordId) throw localError(90010, 'recordId 必填');
const res = await this._execute(
'getReport',
{ method: 'GET', path: `/api/v1/report/${encodeURIComponent(recordId)}`, signParams: {}, envelope: true, idempotent: true },
opts,
);
return res.json.data != null ? res.json.data : res.json;
}
/** Native streaming evaluation over wss://.../api/v1/ws/evaluate. Returns the session at once. */
streamEvaluate(config, listener, options) {
this._ensureOpen();
if (!isPlainObject(config)) throw localError(90010, 'config 必须是对象');
if (typeof config.coreType !== 'string' || !config.coreType) throw localError(90010, 'config.coreType 必填');
if (typeof config.referenceText !== 'string') throw localError(90010, 'config.referenceText 必填');
this._checkListener(listener);
const so = this._sessionOptions(options);
const params = Object.assign({}, config);
delete params.idempotencyKey;
return this._openSession({ mode: 'native', coreType: config.coreType, path: '/api/v1/ws/evaluate', params, listener, options: so });
}
/** Shengtong compatible streaming evaluation over wss://.../{coreType}. Returns the session at once. */
streamEvaluateCompat(coreType, params, listener, options) {
this._ensureOpen();
this._checkCompatCoreType(coreType);
if (params != null && !isPlainObject(params)) throw localError(90010, 'params 必须是对象');
this._checkListener(listener);
const so = this._sessionOptions(options);
const frame = Object.assign({}, params || {});
delete frame.idempotencyKey;
return this._openSession({ mode: 'compat', coreType, path: `/${coreType}`, params: frame, listener, options: so });
}
/** Playable URL of a TTS audioUrl. */
resolveTtsUrl(audioUrl) {
return resolveTtsUrl(this._baseUrl, audioUrl);
}
/** Playable URL of result.standardAudio.url. */
resolveAudioUrl(url) {
return resolveTtsUrl(this._baseUrl, url);
}
/**
* Close the client: cancels open sessions, aborts calls in flight (they reject with 90004) and
* rejects later calls with IllegalSessionStateException 90004. Idempotent; resolves when every
* session reached CLOSED.
*/
close() {
if (this._closePromise) return this._closePromise;
this._closed = true;
this._logger.info('client', 'close');
try {
this._closeController.abort();
} catch (_) {
/* ignore */
}
const sessions = Array.from(this._sessions);
for (const s of sessions) s.cancel();
this._closePromise = Promise.all(sessions.map((s) => s._whenClosed())).then(() => undefined);
return this._closePromise;
}
// ------------------------------------------------------------------ internal: options
_ensureOpen() {
if (this._closed) throw localError(90004, '客户端已调用 close()');
}
_callOptions(options, write) {
const o = options == null ? {} : options;
if (typeof o !== 'object' || Array.isArray(o)) throw localError(90010, '调用选项必须是对象');
if (o.headers != null && !isPlainObject(o.headers)) throw localError(90010, 'headers 必须是对象');
if (o.audioFormat != null && o.audioFormat !== 'auto' && o.audioFormat !== 'pcm') {
throw localError(90010, 'audioFormat 只能是 auto 或 pcm');
}
return {
idempotencyKey: write ? resolveIdempotencyKey(o.idempotencyKey, this._autoKey, this._crypto) : null,
retry: normalizeRetryPolicy(o.retry, this._retry),
timeoutMs: optMs(o.timeoutMs, this._readTimeoutMs, 'timeoutMs', 1, 3600000),
totalTimeoutMs: optMs(o.totalTimeoutMs, this._totalTimeoutMs, 'totalTimeoutMs', 1, 3600000),
signal: checkSignal(o.signal),
headers: o.headers || null,
audioPrecheck: o.audioPrecheck != null ? checkPrecheck(o.audioPrecheck) : this._precheck,
strictAudio: o.strictAudio != null ? o.strictAudio === true : this._strictAudio,
filename: typeof o.filename === 'string' && o.filename ? o.filename : undefined,
contentType: typeof o.contentType === 'string' && o.contentType ? o.contentType : undefined,
audioFormat: o.audioFormat || 'auto',
sampleRate: optNumber(o.sampleRate, 16000, 'sampleRate', 8000, 192000),
image: o.image != null ? o.image : null,
};
}
_sessionOptions(options) {
const o = options == null ? {} : options;
if (typeof o !== 'object' || Array.isArray(o)) throw localError(90010, '会话选项必须是对象');
let query = null;
if (o.query != null) {
if (!isPlainObject(o.query)) throw localError(90010, 'query 必须是对象');
query = {};
for (const [k, v] of Object.entries(o.query)) {
if (RESERVED_QUERY.has(k)) throw localError(90010, `query 不能包含 ${k}`);
if (v == null || v === '') continue;
if (typeof v === 'object') throw localError(90010, `query.${k} 必须是字符串、数字或布尔值`);
query[k] = String(v);
}
}
return {
idempotencyKey: resolveIdempotencyKey(o.idempotencyKey, this._autoKey, this._crypto),
reconnect: normalizeReconnectPolicy(o.reconnect, this._reconnect),
audioBufferPolicy: o.audioBufferPolicy != null ? checkBufferPolicy(o.audioBufferPolicy) : this._bufferPolicy,
maxReplayBytes: optNumber(o.maxReplayBytes, this._maxReplayBytes, 'maxReplayBytes', 0, 64 * 1024 * 1024),
heartbeat: o.heartbeat !== undefined ? checkHeartbeat(o.heartbeat) : this._heartbeat,
heartbeatIntervalMs: optMs(o.heartbeatIntervalMs, this._heartbeatIntervalMs, 'heartbeatIntervalMs', 1, 600000),
heartbeatTimeoutMs: optMs(o.heartbeatTimeoutMs, this._heartbeatTimeoutMs, 'heartbeatTimeoutMs', 1, 600000),
connectTimeoutMs: optMs(o.connectTimeoutMs, this._connectTimeoutMs, 'connectTimeoutMs', 1, 600000),
resultTimeoutMs: optMs(o.resultTimeoutMs, this._resultTimeoutMs, 'resultTimeoutMs', 1, 3600000),
audioPrecheck: o.audioPrecheck != null ? checkPrecheck(o.audioPrecheck) : this._precheck,
sampleRate: optNumber(o.sampleRate, 16000, 'sampleRate', 8000, 192000),
query,
signal: checkSignal(o.signal),
};
}
_checkListener(listener) {
if (!listener || typeof listener !== 'object') throw localError(90010, 'listener 必须是对象');
if (typeof listener.onResult !== 'function' || typeof listener.onError !== 'function') {
throw localError(90010, 'listener 必须提供 onResult 与 onError');
}
}
_checkCompatCoreType(coreType) {
if (!COMPAT_CORE_TYPES.includes(coreType)) {
throw localError(90010, `不支持的声通兼容 coreType：${String(coreType)}，可选 ${COMPAT_CORE_TYPES.join('，')}`);
}
}
_compatFields(params) {
if (params != null && !isPlainObject(params)) throw localError(90010, 'params 必须是对象');
const fields = {};
for (const [k, v] of Object.entries(params || {})) {
if (k === 'audio') throw localError(90010, 'params 不能包含 audio 字段');
if (v === null || v === undefined || v === '') continue;
if (typeof v === 'number') fields[k] = plainNumberText(v, k);
else if (typeof v === 'object') fields[k] = JSON.stringify(v);
else fields[k] = String(v);
}
return fields;
}
async _imagePart(image) {
let bytes;
let name = null;
let type = null;
if (isBlobLike(image)) {
bytes = new Uint8Array(await readBlob(image));
if (typeof image.name === 'string' && image.name) name = image.name;
if (typeof image.type === 'string' && image.type) type = image.type;
} else {
bytes = toBytes(image);
if (!bytes) throw localError(90010, 'image 必须是 Blob、File、ArrayBuffer 或 Uint8Array');
}
if (!bytes.length) throw localError(90010, 'image 为空');
const [ext, sniffed] = sniffImage(bytes);
return { name: 'image', data: bytes, filename: name || `image.${ext}`, contentType: type || sniffed };
}
_runPrecheck(bytes, opts, op) {
if (opts.audioPrecheck === AudioPrecheck.OFF) return [];
const report = precheckAudio(bytes);
let warnings;
try {
warnings = applyPrecheck(report.warnings, opts.audioPrecheck);
} catch (e) {
if (e instanceof YuguError && opts.idempotencyKey) e.idempotencyKey = opts.idempotencyKey;
this._logger.warn('precheck', `${op} rejected before upload: ${e.code} ${e.message}`);
throw e;
}
for (const w of warnings) this._logger.warn('precheck', `${op}: ${w.code} ${w.message}`);
return warnings;
}
_strictCheck(result, opts, attempts) {
if (!opts.strictAudio) return;
if (result.warnings.some((w) => w.code === 1001)) {
throw YuguErrors.fromWarning(1001, {
idempotencyKey: opts.idempotencyKey,
recordId: result.recordId,
attempts,
});
}
}
// ------------------------------------------------------------------ internal: auth
async _sign(params) {
if (!this.#hmacKey) {
const p = importHmacKey(this.#auth.secretKey, this._crypto);
this.#hmacKey = p;
p.catch(() => {
if (this.#hmacKey === p) this.#hmacKey = null;
});
}
const key = await this.#hmacKey;
return signPayloadWithKey(buildSignPayload(params), key, this._crypto);
}
async _token() {
const t = this.#auth.token;
const value = typeof t === 'function' ? await t() : t;
if (typeof value !== 'string' || !value) throw localError(90010, 'token 提供函数返回了空值');
return value;
}
async _authHeaders(signParams) {
if (this.#auth.kind === 'signature') {
const signature = await this._sign(signParams || {});
return {
'X-App-Key': this.#auth.appKey,
'X-Timestamp': String(Math.floor(Date.now() / 1000)),
'X-Nonce': toHex(randomBytes(8, this._crypto)),
'X-Signature': signature,
};
}
return { Authorization: `Bearer ${await this._token()}` };
}
async _wsUrl(path, idempotencyKey, extraQuery) {
const q = {};
if (extraQuery) Object.assign(q, extraQuery);
if (idempotencyKey) q.idempotencyKey = idempotencyKey;
if (this.#auth.kind === 'signature') {
q.appKey = this.#auth.appKey;
q.timestamp = String(Math.floor(Date.now() / 1000));
q.nonce = toHex(randomBytes(8, this._crypto));
q.signature = await this._sign(Object.assign({}, q));
} else {
q.token = await this._token();
}
return `${this._wsBaseUrl}${path}?${new URLSearchParams(q).toString()}`;
}
// ------------------------------------------------------------------ internal: sessions
_sessionContext() {
if (this._ctx) return this._ctx;
const client = this;
this._ctx = {
[SESSION_CONTEXT]: true,
logger: this._logger,
events: this._events,
random: this._random,
WebSocket: this._WebSocket,
buildUrl: (path, key, query) => client._wsUrl(path, key, query),
getPingSupport: () => client._pingSupport,
setPingSupport: (v) => {
if (client._pingSupport !== v) {
client._pingSupport = v;
client._logger.info('ws', `server heartbeat support: ${v}`);
}
},
unregister: (s) => client._sessions.delete(s),
};
return this._ctx;
}
_openSession(spec) {
if (!this._WebSocket) {
throw localError(90010, '缺少 WebSocket 实现。Node 中请安装 ws 包并传入 { WebSocket }');
}
const session = new YuguStreamSession(this._sessionContext(), spec);
this._sessions.add(session);
session._start();
return session;
}
// ------------------------------------------------------------------ internal: HTTP
async _execute(op, spec, opts) {
if (!this._fetch) throw localError(90010, '缺少 fetch 实现，请传入 options.fetch');
const policy = opts.retry;
const key = spec.idempotent ? null : opts.idempotencyKey;
const canRetry = spec.idempotent === true || key != null;
if (!canRetry && policy.maxRetries > 0) this._logger.debug('retry', `${op}: no Idempotency-Key, write call is not retried`);
const url = this._baseUrl + spec.path;
const started = Date.now();
const deadline = started + opts.totalTimeoutMs;
const signals = [opts.signal, this._closeController.signal];
let attempt = 0;
for (;;) {
attempt += 1;
let err = null;
let res = null;
const remaining = deadline - Date.now();
if (remaining <= 0) {
err = localError(90002, `总超时 ${opts.totalTimeoutMs} ms 已到`);
} else {
callHook(this._events, 'onRequestStart', [op, spec.method, spec.path, attempt], this._logger);
try {
const headers = await this._headers(spec, key, opts);
if (this._logger.enabled(LogLevel.DEBUG)) {
this._logger.debug('http', `${spec.method} ${spec.path} attempt ${attempt} headers ${JSON.stringify(redactHeaders(headers))}`);
} else {
this._logger.info('http', `${spec.method} ${spec.path} attempt ${attempt}${key ? ` key=${key}` : ''}`);
}
res = await this._fetchOnce(url, spec, headers, Math.min(opts.timeoutMs, remaining), opts.signal);
} catch (e) {
err = e instanceof YuguError ? e : localError(90001, String(e && e.message), { cause: e });
}
}
if (res) {
if (res.status >= 200 && res.status < 300) {
const parsed = this._parseSuccess(res, spec, key);
if (!parsed.error) {
const latency = Date.now() - started;
this._logger.info('http', `${op} ${res.status} in ${latency} ms, attempts ${attempt}${parsed.replayed ? ', replayed' : ''}`);
callHook(this._events, 'onRequestEnd', [op, res.status, latency, attempt, null], this._logger);
return { json: parsed.json, replayed: parsed.replayed, attempts: attempt, status: res.status };
}
err = parsed.error;
} else {
err = YuguErrors.fromHttp(res.status, res.text, { headers: res.headers, idempotencyKey: key });
}
}
err.attempts = attempt;
if (key && !err.idempotencyKey) err.idempotencyKey = key;
let stop =
err instanceof RequestCancelledException ||
err.code === 90004 ||
!canRetry ||
attempt > policy.maxRetries ||
!isRetryable(err);
let delay = 0;
if (!stop) {
delay = computeRetryDelay(policy, attempt, err.retryAfterMs, this._random);
if (Date.now() + delay > deadline) {
this._logger.debug('retry', `${op}: next retry would pass totalTimeoutMs, giving up`);
stop = true;
}
}
if (stop) {
const latency = Date.now() - started;
callHook(this._events, 'onRequestEnd', [op, err.httpStatus, latency, attempt, err], this._logger);
const level = err instanceof RequestCancelledException ? 'info' : 'warn';
this._logger[level]('http', `${op} failed after ${attempt} attempt(s): ${describeError(err)} ${err.message}`);
throw err;
}
callHook(this._events, 'onRetry', [op, attempt, delay, err], this._logger);
this._logger.warn('retry', `retry ${attempt}/${policy.maxRetries} in ${delay} ms: ${describeError(err)}`);
try {
await abortableDelay(delay, signals, (s) => this._abortError(s === opts.signal ? 'caller' : 'closed', key, attempt));
} catch (e) {
callHook(this._events, 'onRequestEnd', [op, 0, Date.now() - started, attempt, e], this._logger);
throw e;
}
}
}
_abortError(reason, key, attempts, cause) {
if (reason === 'caller') {
return localError(90003, '调用方取消了请求', { idempotencyKey: key, attempts, cause });
}
return localError(90004, '客户端已关闭，请求被中止', { idempotencyKey: key, attempts, cause });
}
async _headers(spec, key, opts) {
const h = {};
if (opts.headers) for (const [k, v] of Object.entries(opts.headers)) h[k] = String(v);
h.Accept = 'application/json';
h[this._sdkHeader] = this._userAgent;
if (spec.contentType) h['Content-Type'] = spec.contentType;
if (key) h['Idempotency-Key'] = key;
return Object.assign(h, await this._authHeaders(spec.signParams));
}
async _fetchOnce(url, spec, headers, timeoutMs, callerSignal) {
const closeSignal = this._closeController.signal;
if (callerSignal && callerSignal.aborted) throw this._abortError('caller');
if (closeSignal.aborted) throw this._abortError('closed');
const ctl = new AbortController();
let reason = null;
const onCaller = () => {
reason = reason || 'caller';
ctl.abort();
};
const onClose = () => {
reason = reason || 'closed';
ctl.abort();
};
if (callerSignal) callerSignal.addEventListener('abort', onCaller, { once: true });
closeSignal.addEventListener('abort', onClose, { once: true });
const timer = setTimeout(() => {
reason = reason || 'timeout';
ctl.abort();
}, timeoutMs);
try {
let body;
if (spec.body != null) body = typeof spec.body === 'string' ? spec.body : toExactArrayBuffer(spec.body);
const res = await this._fetch(url, { method: spec.method, headers, body, signal: ctl.signal });
const text = await res.text();
return { status: res.status, headers: res.headers, text };
} catch (e) {
if (reason === 'timeout') throw localError(90002, `单次请求超时 ${timeoutMs} ms`, { cause: e });
if (reason === 'caller' || reason === 'closed') throw this._abortError(reason, undefined, undefined, e);
const code = e && ((e.cause && e.cause.code) || e.code);
if (code && /CERT|SSL|TLS|SELF_SIGNED/i.test(String(code))) throw localError(90011, String(code), { cause: e });
const detail = e && e.cause && e.cause.message ? `${e.message}：${e.cause.message}` : e && e.message;
throw localError(90001, String(detail || e), { cause: e });
} finally {
clearTimeout(timer);
if (callerSignal) callerSignal.removeEventListener('abort', onCaller);
closeSignal.removeEventListener('abort', onClose);
}
}
_parseSuccess(res, spec, key) {
let json;
try {
json = JSON.parse(res.text);
} catch (_) {
json = undefined;
}
const traceId = getHeader(res.headers, 'x-trace-id');
if (!json || typeof json !== 'object' || Array.isArray(json)) {
return {
error: localError(90005, `HTTP ${res.status} 响应不是 JSON 对象`, {
httpStatus: res.status,
rawBody: res.text,
idempotencyKey: key,
traceId,
}),
};
}
if (spec.envelope && json.code != null && Number(json.code) !== 0) {
return {
error: YuguErrors.fromCode(Number(json.code), {
httpStatus: res.status,
message: typeof json.message === 'string' ? json.message : undefined,
rawBody: res.text,
idempotencyKey: key,
traceId,
}),
};
}
const replayed = /^true$/i.test(getHeader(res.headers, 'idempotency-replayed') || '');
return { json, replayed };
}
}
|