typed-wx-api
Version:
Typed Wechat API
127 lines • 5.88 kB
JavaScript
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.APIBase = void 0;
const storage_1 = require("../storage");
const axios_1 = __importDefault(require("axios"));
const errors_1 = require("../errors");
/**
* @internal
*/
class APIBase {
constructor(config, tokenStorage, ticketStorage) {
this.logger = () => { };
this.config = Object.assign(Object.assign({}, config), { baseURL: config.baseURL, accessTokenKey: config.accessTokenKey || 'access_token' });
this.tokenStorage = tokenStorage || new storage_1.MemoryTokenStorage();
this.ticketStorage = ticketStorage || new storage_1.MemoryTicketStorage();
this.axiosInstance = axios_1.default.create({
baseURL: this.config.baseURL,
timeout: 12000,
headers: {
'Content-Type': 'application/json'
}
});
}
request(opts, retry = 3) {
var _a, _b;
return __awaiter(this, void 0, void 0, function* () {
opts.method = opts.method || 'get';
if (!opts.ignoreAccessToken) {
const token = yield this.ensureAccessToken();
opts.params = opts.params || {};
opts.params[this.config.accessTokenKey] = token.accessToken;
}
try {
const res = yield this.axiosInstance.request(opts);
this.logger('WxRequest', opts, res.data);
if (res.status < 200 || res.status > 204) {
throw new errors_1.WxAPIError(`url: ${opts.url}, status code: ${res.status}`, -1);
}
const { errcode, errmsg } = res.data;
if (!errcode) {
return res.data;
}
if ((errcode === 40001 || errcode === 42001) && retry > 0) {
// Token过期, 重新获取
yield this.tokenStorage.save(null);
return this.request(opts, retry - 1);
}
else {
throw new errors_1.WxAPIError(errmsg, errcode);
}
}
catch (error) {
this.logger('WxRequestError', opts, error);
console.error('WxRequestError:', opts, error);
if (error instanceof errors_1.WxAPIError) {
throw error;
}
else if (error.response) {
throw new errors_1.WxAPIError(((_a = error.response.data) === null || _a === void 0 ? void 0 : _a.errmsg) || '服务器内部错误', ((_b = error.response.data) === null || _b === void 0 ? void 0 : _b.errcode) || error.response.status);
}
else if (error.request) {
throw new errors_1.WxAPIError('请求超时，请检查网络', 406);
}
else if (typeof error.errcode === 'undefined') {
throw new errors_1.WxAPIError('请求失败，请稍后再试', 400);
}
else {
throw new errors_1.WxAPIError('未知错误', 500);
}
}
});
}
getAccessToken() {
return __awaiter(this, void 0, void 0, function* () {
const { expires_in, access_token } = yield this.resolveAccessToken();
// 过期时间，因网络延迟等，将实际过期时间提前10秒，以防止临界点
const expireTime = new Date().getTime() + (expires_in - 10) * 1000;
const token = new storage_1.AccessToken(access_token, expireTime);
yield this.tokenStorage.save(token);
return token;
});
}
ensureAccessToken() {
return __awaiter(this, void 0, void 0, function* () {
const token = yield this.tokenStorage.load();
if (token === null || token === void 0 ? void 0 : token.isValid()) {
return token;
}
return this.getAccessToken();
});
}
getTicket(type) {
return __awaiter(this, void 0, void 0, function* () {
const { expires_in, ticket } = yield this.resolveTicket(type);
// 过期时间，因网络延迟等，将实际过期时间提前10秒，以防止临界点
const expireTime = new Date().getTime() + (expires_in - 10) * 1000;
const ticketToken = new storage_1.Ticket(ticket, expireTime);
yield this.ticketStorage.save(type, ticketToken);
return ticketToken;
});
}
ensureTicket(type) {
return __awaiter(this, void 0, void 0, function* () {
const ticketToken = yield this.ticketStorage.load(type);
if (ticketToken === null || ticketToken === void 0 ? void 0 : ticketToken.isValid()) {
return ticketToken;
}
else {
return this.getTicket(type);
}
});
}
}
exports.APIBase = APIBase;
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