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wechat-work

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"use strict"; var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { return new (P || (P = Promise))(function (resolve, reject) { function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); } step((generator = generator.apply(thisArg, _arguments || [])).next()); }); }; var __generator = (this && this.__generator) || function (thisArg, body) { var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; function verb(n) { return function (v) { return step([n, v]); }; } function step(op) { if (f) throw new TypeError("Generator is already executing."); while (_) try { if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; if (y = 0, t) op = [op[0] & 2, t.value]; switch (op[0]) { case 0: case 1: t = op; break; case 4: _.label++; return { value: op[1], done: false }; case 5: _.label++; y = op[1]; op = [0]; continue; case 7: op = _.ops.pop(); _.trys.pop(); continue; default: if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } if (t[2]) _.ops.pop(); _.trys.pop(); continue; } op = body.call(thisArg, _); } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; } }; var __importDefault = (this && this.__importDefault) || function (mod) { return (mod && mod.__esModule) ? mod : { "default": mod }; }; Object.defineProperty(exports, "__esModule", { value: true }); var common_helpers_1 = require("./common-helpers"); var constants_1 = require("./constants"); var errors_enum_1 = require("./errors.enum"); var http_helper_1 = require("./http-helper"); var secret_type_enum_1 = require("./secret-type.enum"); var debug_1 = __importDefault(require("debug")); var debugThis = debug_1.default("wechat-work:access-token-class"); var fetching = {}; // TODO: multi server var AccessToken = /** @class */ (function () { function AccessToken(corpId, accessToken, expiresIn, secretType, agentId, config) { this.accessToken = accessToken; this.expiresIn = expiresIn; this.createdAt = Date.now(); this.expiresAt = this.createdAt + this.expiresIn * 1000; this.corpId = corpId; this.agentId = agentId; this.secretType = secretType; this.config = config; } AccessToken.getInstance = function (config, secretType, agentId) { return __awaiter(this, void 0, void 0, function () { var key, cachedAccessToken, deSerialized, deSerialized, fetched, err_1; return __generator(this, function (_a) { switch (_a.label) { case 0: key = AccessToken.getStorageKey(config.corpId, secretType, agentId); debugThis("storage key for access token: " + key); return [4 /*yield*/, config.getFromCacheMethod(key)]; case 1: cachedAccessToken = _a.sent(); if (cachedAccessToken && cachedAccessToken.content) { if (cachedAccessToken.ttlSeconds) { if (cachedAccessToken.ttlSeconds > constants_1.ACCESS_TOKEN_EXPIRE_CUTOFF) { deSerialized = AccessToken.deSerialize(cachedAccessToken.content, cachedAccessToken.ttlSeconds); deSerialized.config = config; return [2 /*return*/, deSerialized]; } } else { deSerialized = AccessToken.deSerialize(cachedAccessToken.content); if (deSerialized.expiresIn > 600) { deSerialized.config = config; deSerialized.secretType = secretType; // internally maintained ttl is valid return [2 /*return*/, deSerialized]; } } } if (!(fetching[key] === true)) return [3 /*break*/, 4]; debugThis("waiting for another process to release this key: " + key); return [4 /*yield*/, common_helpers_1.timer(100)]; case 2: _a.sent(); return [4 /*yield*/, AccessToken.getInstance(config, secretType, agentId)]; case 3: return [2 /*return*/, _a.sent()]; case 4: fetching[key] = true; _a.label = 5; case 5: _a.trys.push([5, 8, , 9]); return [4 /*yield*/, AccessToken.fetch(config.corpId, AccessToken.getSecret(config, secretType, agentId), secretType, agentId)]; case 6: fetched = _a.sent(); fetched.config = config; return [4 /*yield*/, config.saveToCacheMethod(fetched.storageKey, fetched.serialized, fetched.expiresIn)]; case 7: _a.sent(); fetching[key] = false; return [2 /*return*/, fetched]; case 8: err_1 = _a.sent(); fetching[key] = false; throw err_1; case 9: return [2 /*return*/]; } }); }); }; AccessToken.deSerialize = function (serialized, ttlSeconds) { if (!serialized) { throw Error("serialized access token can not be an empty string."); } var splited = serialized.split("|"); if (splited.length !== 4) { throw Error("invalid serialized access token."); } var expiresIn = ttlSeconds ? ttlSeconds : (parseInt(splited[1], 10) - Date.now()) / 1000; return new AccessToken(splited[2].trim(), splited[0].trim(), expiresIn, parseInt(splited[3], 10), splited[4]); }; AccessToken.fetch = function (corpId, secret, secretType, agentId) { return __awaiter(this, void 0, void 0, function () { var url, resData; return __generator(this, function (_a) { switch (_a.label) { case 0: url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=" + corpId + "&corpsecret=" + secret; return [4 /*yield*/, http_helper_1.doGet(url)]; case 1: resData = (_a.sent()); return [2 /*return*/, new AccessToken(corpId, resData.access_token, resData.expires_in, secretType, agentId)]; } }); }); }; AccessToken.getStorageKey = function (corpId, secretType, agentId) { // tslint:disable-next-line:no-console console.log("secretType: ", secretType); var key = "WECHAT_WORK_ACCESS_TOKEN:" + corpId; switch (secretType) { case secret_type_enum_1.EnumSecretType.Contact: key += ":Contact"; break; case secret_type_enum_1.EnumSecretType.ExternalContact: key += ":ExternalContact"; break; case secret_type_enum_1.EnumSecretType.Agent: if (!agentId) { throw Error(errors_enum_1.EnumErrors.AGENT_ID_SHOULD_PROVIDED); } key += ":AGENT:" + agentId; break; default: throw Error(errors_enum_1.EnumErrors.SECRET_TYPE_NOT_SUPPORTED); } return key; }; AccessToken.getSecret = function (config, secretType, agentId) { var secret = ""; switch (secretType) { case secret_type_enum_1.EnumSecretType.Contact: if (config.contactSecret === undefined) { throw Error(errors_enum_1.EnumErrors.CONTACT_SECRET_SHOULD_PROVIDED); } secret = config.contactSecret; break; case secret_type_enum_1.EnumSecretType.ExternalContact: if (config.externalContactSecret === undefined) { throw Error(errors_enum_1.EnumErrors.EXTERNAL_CONTACT_SECRET_SHOULD_PROVIDED); } secret = config.externalContactSecret; break; case secret_type_enum_1.EnumSecretType.Agent: debugThis("desired agentId is " + agentId); debugThis(JSON.stringify(config.apps)); var appsFound = config.apps.filter(function (app) { return app.agentId === agentId; }); if (appsFound.length === 0) { throw Error(errors_enum_1.EnumErrors.AGENT_NOT_CONFIGURED); } secret = appsFound[0].agentSecret; break; default: throw Error(errors_enum_1.EnumErrors.SECRET_TYPE_NOT_SUPPORTED); } return secret; }; AccessToken.prototype.isExpired = function () { return this.expiresAt <= Date.now(); }; Object.defineProperty(AccessToken.prototype, "storageKey", { get: function () { return AccessToken.getStorageKey(this.corpId, this.secretType, this.agentId); }, enumerable: true, configurable: true }); Object.defineProperty(AccessToken.prototype, "serialized", { get: function () { return this.accessToken + "|" + this.expiresAt + "|" + this.corpId + "|" + this.agentId; }, enumerable: true, configurable: true }); AccessToken.prototype.ensureNotExpired = function () { return __awaiter(this, void 0, void 0, function () { var token; return __generator(this, function (_a) { switch (_a.label) { case 0: if (!this.isExpired()) return [3 /*break*/, 2]; if (!this.config) { throw Error(errors_enum_1.EnumErrors.CONFIG_SHOULD_PROVIDED); } return [4 /*yield*/, AccessToken.getInstance(this.config, this.secretType, this.agentId)]; case 1: token = _a.sent(); this.accessToken = token.accessToken; this.createdAt = token.createdAt; this.expiresAt = token.expiresAt; this.expiresIn = token.expiresIn; _a.label = 2; case 2: return [2 /*return*/]; } }); }); }; return AccessToken; }()); exports.AccessToken = AccessToken; //# sourceMappingURL=access-token.class.js.map