348 lines
14 KiB
JavaScript
348 lines
14 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.WechatMpInstance = void 0;
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const tslib_1 = require("tslib");
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require('../../utils/fetch');
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const crypto_1 = tslib_1.__importDefault(require("crypto"));
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const buffer_1 = require("buffer");
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const url_1 = tslib_1.__importDefault(require("url"));
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const form_data_1 = tslib_1.__importDefault(require("../../utils/form-data"));
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const Exception_1 = require("oak-domain/lib/types/Exception");
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const assert_1 = require("oak-domain/lib/utils/assert");
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class WechatMpInstance {
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appId;
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appSecret;
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accessToken;
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refreshAccessTokenHandler;
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externalRefreshFn;
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constructor(appId, appSecret, accessToken, externalRefreshFn) {
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this.appId = appId;
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this.appSecret = appSecret;
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this.externalRefreshFn = externalRefreshFn;
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if (!appSecret && !externalRefreshFn) {
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(0, assert_1.assert)(false, 'appSecret和externalRefreshFn必须至少支持一个');
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}
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if (accessToken) {
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this.accessToken = accessToken;
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}
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else {
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this.refreshAccessToken();
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}
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}
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async getAccessToken() {
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while (true) {
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if (this.accessToken) {
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return this.accessToken;
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}
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await new Promise((resolve) => setTimeout(() => resolve(0), 500));
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}
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}
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async access(url, init, fresh) {
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let response;
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try {
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response = await global.fetch(url, init);
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}
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catch (err) {
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throw new Exception_1.OakNetworkException(`访问wechatMp接口失败，「${url}」`);
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}
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const { headers, status } = response;
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if (![200, 201].includes(status)) {
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throw new Exception_1.OakServerProxyException(`访问wechatMp接口失败，「${url}」,「${status}」`);
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}
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const contentType = headers['Content-Type'] || headers.get('Content-Type');
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if (contentType?.includes('application/json')) {
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const json = await response.json();
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if (typeof json.errcode === 'number' && json.errcode !== 0) {
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if ([42001, 40001].includes(json.errcode)) {
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if (fresh) {
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throw new Exception_1.OakServerProxyException('刚刷新的token不可能马上过期，请检查是否有并发刷新token的逻辑');
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}
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return this.refreshAccessToken(url, init);
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}
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throw new Exception_1.OakExternalException('wechatMp', json.errcode, json.errmsg);
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}
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return json;
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}
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if (contentType?.includes('text') ||
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contentType?.includes('xml') ||
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contentType?.includes('html')) {
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const data = await response.text();
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// 某些接口返回contentType为text/plain, 里面text是json结构
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const isJson = this.isJson(data);
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if (isJson) {
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const json = JSON.parse(data);
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if (typeof json.errcode === 'number' && json.errcode !== 0) {
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if ([40001, 42001].includes(json.errcode)) {
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if (fresh) {
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throw new Exception_1.OakServerProxyException('刚刷新的token不可能马上过期，请检查是否有并发刷新token的逻辑');
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}
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return this.refreshAccessToken(url, init);
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}
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throw new Exception_1.OakExternalException('wechatMp', json.errcode, json.errmsg);
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}
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return json;
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}
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return data;
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}
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if (contentType?.includes('application/octet-stream')) {
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return await response.arrayBuffer();
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}
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return response;
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}
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async code2Session(code) {
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const result = await this.access(`https://api.weixin.qq.com/sns/jscode2session?appid=${this.appId}&secret=${this.appSecret}&js_code=${code}&grant_type=authorization_code`);
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const { session_key, openid, unionid } = typeof result === 'string' ? JSON.parse(result) : result; // 这里微信返回的数据竟然是text/plain
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return {
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sessionKey: session_key,
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openId: openid,
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unionId: unionid,
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};
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}
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async refreshAccessToken(url, init) {
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const result = this.externalRefreshFn
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? await this.externalRefreshFn(this.appId)
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: await this.access(`https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=${this.appId}&secret=${this.appSecret}`);
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const { access_token, expires_in } = result;
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this.accessToken = access_token;
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if (process.env.NODE_ENV === 'development') {
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console.log(`小程序获得新的accessToken。appId:[${this.appId}], token: [${access_token}]`);
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}
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// 生成下次刷新的定时器
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this.refreshAccessTokenHandler = setTimeout(() => {
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this.refreshAccessToken();
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}, (expires_in - 10) * 1000);
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if (url) {
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const url2 = new url_1.default.URL(url);
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url2.searchParams.set('access_token', access_token);
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return this.access(url2.toString(), init);
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}
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}
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decryptData(sessionKey, encryptedData, iv, signature) {
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const skBuf = buffer_1.Buffer.from(sessionKey, 'base64');
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// const edBuf = Buffer.from(encryptedData, 'base64');
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const ivBuf = buffer_1.Buffer.from(iv, 'base64');
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const decipher = crypto_1.default.createDecipheriv('aes-128-cbc', skBuf, ivBuf);
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// 设置自动 padding 为 true，删除填充补位
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decipher.setAutoPadding(true);
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let decoded = decipher.update(encryptedData, 'base64', 'utf8');
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decoded += decipher.final('utf8');
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const data = JSON.parse(decoded);
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(0, assert_1.assert)(data.watermark.appid === this.appId);
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return data;
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}
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async getMpUnlimitWxaCode({ scene, page, envVersion = 'release', width, autoColor, lineColor, isHyaline, }) {
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const token = await this.getAccessToken();
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const result = await this.access(`https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=${token}`, {
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method: 'POST',
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headers: {
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'Content-type': 'application/json',
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Accept: 'image/jpg',
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},
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body: JSON.stringify({
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scene,
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page,
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env_version: envVersion,
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width,
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auto_color: autoColor,
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line_color: lineColor,
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is_hyaline: isHyaline,
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}),
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});
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return (await result.arrayBuffer());
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}
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async getUserPhoneNumber(code) {
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const token = await this.getAccessToken();
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const result = (await this.access(`https://api.weixin.qq.com/wxa/business/getuserphonenumber?access_token=${token}`, {
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method: 'POST',
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headers: {
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'Content-type': 'application/json',
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},
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body: JSON.stringify({
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code,
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}),
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}));
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return result.phone_info;
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}
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/**
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* 发送订阅消息
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* @param param0
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* @returns
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* https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/mp-message-management/subscribe-message/sendMessage.html
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*/
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async sendSubscribedMessage({ templateId, page, openId, data, state, lang, }) {
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const token = await this.getAccessToken();
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/**
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* 实测，若用户未订阅，会抛出errcode: 43101, errmsg: user refuse to accept the msg
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*/
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return this.access(`https://api.weixin.qq.com/cgi-bin/message/subscribe/send?access_token=${token}`, {
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body: JSON.stringify({
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template_id: templateId,
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page,
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touser: openId,
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data,
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miniprogram_state: state || 'formal',
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lang: lang || 'zh_CN',
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}),
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method: 'post',
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});
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}
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//创建临时素材
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async createTemporaryMaterial(options) {
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const { type, media, filetype, filename } = options;
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const formData = new form_data_1.default();
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formData.append('media', media, {
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contentType: filetype, // 微信识别需要
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filename: filename, // 微信识别需要
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});
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const getLength = () => {
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return new Promise((resolve, reject) => {
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formData.getLength((err, length) => {
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if (err) {
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reject(err);
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}
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else {
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resolve(length);
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}
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});
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});
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};
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const contentLength = await getLength();
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const headers = formData.getHeaders();
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headers['Content-Length'] = contentLength;
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const myInit = {
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method: 'POST',
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headers,
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};
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Object.assign(myInit, {
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body: formData,
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});
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const token = await this.getAccessToken();
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const result = await this.access(`https://api.weixin.qq.com/cgi-bin/media/upload?access_token=${token}&type=${type}`, myInit);
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return result;
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}
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// 获取临时素材
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async getTemporaryMaterial(options) {
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const { mediaId } = options;
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const myInit = {
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method: 'GET',
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};
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const token = await this.getAccessToken();
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const result = await this.access(`https://api.weixin.qq.com/cgi-bin/media/get?access_token=${token}&media_id=${mediaId}`, myInit);
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if (this.isJson(result)) {
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return result;
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}
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const arrayBuffer = await result.arrayBuffer();
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return arrayBuffer;
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}
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async sendServeMessage(options) {
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const { openId, type } = options;
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const myInit = {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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},
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};
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switch (type) {
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case 'text': {
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Object.assign(myInit, {
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body: JSON.stringify({
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touser: openId,
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msgtype: 'text',
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text: {
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content: options.content,
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},
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}),
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});
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break;
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}
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case 'image': {
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Object.assign(myInit, {
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body: JSON.stringify({
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touser: openId,
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msgtype: 'image',
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image: {
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media_id: options.mediaId,
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},
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}),
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});
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break;
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}
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case 'news': {
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Object.assign(myInit, {
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body: JSON.stringify({
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touser: openId,
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msgtype: 'link',
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link: {
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title: options.title,
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description: options.description,
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url: options.url,
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thumb_url: options.picurl,
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},
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}),
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});
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break;
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}
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case 'mp': {
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Object.assign(myInit, {
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body: JSON.stringify({
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touser: openId,
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msgtype: 'miniprogrampage',
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miniprogrampage: {
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title: options.data.title,
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pagepath: options.data.pagepath,
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thumb_media_id: options.data.thumbnailId,
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},
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}),
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});
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break;
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}
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default: {
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(0, assert_1.assert)(false, '当前消息类型暂不支持');
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}
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}
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const token = await this.getAccessToken();
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const result = await this.access(`https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=${token}`, myInit);
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const { errcode } = result;
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if (errcode === 0) {
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return Object.assign({ success: true }, result);
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}
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return Object.assign({ success: false }, result);
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}
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async getAllPrivateTemplate() {
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const myInit = {
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method: 'GET',
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headers: {
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'Content-Type': 'application/json',
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},
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};
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const token = await this.getAccessToken();
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const result = (await this.access(`https://api.weixin.qq.com/wxaapi/newtmpl/gettemplate?access_token=${token}`, myInit));
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return result.data;
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}
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isJson(data) {
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try {
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JSON.parse(data);
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return true;
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}
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catch (e) {
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return false;
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}
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}
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async getURLScheme(options) {
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const { jump_wxa, expiresAt, expireType = 0, expireInterval } = options;
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const token = await this.getAccessToken();
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const result = await this.access(`https://api.weixin.qq.com/wxa/generatescheme?access_token=${token}`, {
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method: 'POST',
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body: JSON.stringify({
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jump_wxa: jump_wxa,
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is_expire: true,
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expire_type: expireType, //默认是零，到期失效的 scheme 码失效类型，失效时间类型：0，失效间隔天数类型：1
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expire_time: expiresAt,
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expire_interval: expireInterval,
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}),
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});
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return result;
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}
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}
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exports.WechatMpInstance = WechatMpInstance;
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