@tnwx/accesstoken
Version:
TNWX 微信系开发脚手架之微信 accesstoken
86 lines • 3.53 kB
JavaScript
;
/**
* @author Javen
* @copyright javendev@126.com
* @description AccessTokenApi
*/
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());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const util = require("util");
const AccessToken_1 = require("./AccessToken");
const ApiConfigKit_1 = require("./ApiConfigKit");
const kits_1 = require("@tnwx/kits");
class AccessTokenApi {
/**
* 获取 acces_token
* 1、先从缓存中获取，如果可用就直接返回
* 2、如果缓存中的已过期就调用刷新接口来获取新的 acces_token
*/
static getAccessToken() {
return __awaiter(this, void 0, void 0, function* () {
let ac = ApiConfigKit_1.ApiConfigKit.getApiConfig;
let accessToken = yield this.getAvailableAccessToken(ac);
if (accessToken) {
if (ApiConfigKit_1.ApiConfigKit.isDevMode()) {
console.debug('缓存中的 accesstoken');
}
return accessToken;
}
if (ApiConfigKit_1.ApiConfigKit.isDevMode()) {
console.debug('刷新 accesstoken');
}
return yield this.refreshAccessToken(ac);
});
}
/**
* 通过 appId 从缓存中获取 acces_token
* @param apiConfig
*/
static getAvailableAccessToken(apiConfig) {
return __awaiter(this, void 0, void 0, function* () {
let result;
let cache = ApiConfigKit_1.ApiConfigKit.getCache;
let accessTokenJson = yield cache.get(apiConfig.getAppId);
if (accessTokenJson) {
result = new AccessToken_1.AccessToken(accessTokenJson);
}
if (result && result.isAvailable()) {
return result;
}
else {
return undefined;
}
});
}
/**
* 获取新的 acces_token 并设置缓存
* @param apiConfig
*/
static refreshAccessToken(apiConfig) {
return __awaiter(this, void 0, void 0, function* () {
let url = util.format(this.url, apiConfig.getAppId, apiConfig.getAppScrect);
let data = yield kits_1.HttpKit.getHttpDelegate.httpGet(url);
if (data) {
data = JSON.stringify(data);
let accessToken = new AccessToken_1.AccessToken(data);
let cache = ApiConfigKit_1.ApiConfigKit.getCache;
cache.set(apiConfig.getAppId, accessToken.getCacheJson);
return accessToken;
}
else {
throw new Error('获取accessToken异常');
}
});
}
}
exports.AccessTokenApi = AccessTokenApi;
AccessTokenApi.url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s';
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