1 | 'use strict';
|
2 |
|
3 | var crypto = require('crypto');
|
4 |
|
5 | var util = require('./util');
|
6 | var wrapper = util.wrapper;
|
7 |
|
8 |
|
9 | var INVALID_TICKET_CODE = -1;
|
10 |
|
11 | var Ticket = function (ticket, expireTime) {
|
12 | if (!(this instanceof Ticket)) {
|
13 | return new Ticket(ticket, expireTime);
|
14 | }
|
15 | this.ticket = ticket;
|
16 | this.expireTime = expireTime;
|
17 | };
|
18 |
|
19 | Ticket.prototype.isValid = function () {
|
20 | return !!this.ticket && (new Date().getTime()) < this.expireTime;
|
21 | };
|
22 |
|
23 |
|
24 |
|
25 |
|
26 |
|
27 |
|
28 |
|
29 |
|
30 |
|
31 |
|
32 |
|
33 |
|
34 |
|
35 |
|
36 |
|
37 |
|
38 |
|
39 |
|
40 |
|
41 |
|
42 |
|
43 |
|
44 |
|
45 |
|
46 |
|
47 |
|
48 |
|
49 | exports.registerTicketHandle = function (getTicketToken, saveTicketToken) {
|
50 | if (!getTicketToken && !saveTicketToken) {
|
51 | this.ticketStore = {};
|
52 | }
|
53 | this.getTicketToken = getTicketToken || function (type, callback) {
|
54 | if (typeof type === 'function') {
|
55 | callback = type;
|
56 | type = 'jsapi';
|
57 | }
|
58 | callback(null, this.ticketStore[type]);
|
59 | };
|
60 |
|
61 | this.saveTicketToken = saveTicketToken || function (type, ticketToken, callback) {
|
62 |
|
63 | if (typeof ticketToken === 'function') {
|
64 | callback = ticketToken;
|
65 | ticketToken = type;
|
66 | type = 'jsapi';
|
67 | }
|
68 |
|
69 | this.ticketStore[type] = ticketToken;
|
70 | if (process.env.NODE_ENV === 'production') {
|
71 | console.warn('Dont save ticket in memory, when cluster or multi-computer!');
|
72 | }
|
73 | callback(null);
|
74 | };
|
75 | };
|
76 |
|
77 |
|
78 |
|
79 |
|
80 |
|
81 |
|
82 |
|
83 |
|
84 |
|
85 |
|
86 |
|
87 |
|
88 |
|
89 |
|
90 |
|
91 |
|
92 | exports.getTicket = function (type, callback) {
|
93 | this.preRequest(this._getTicket, arguments);
|
94 | };
|
95 |
|
96 | exports._getTicket = function (type, callback) {
|
97 | if (typeof type === 'function') {
|
98 | callback = type;
|
99 | type = 'jsapi';
|
100 | }
|
101 | var that = this;
|
102 | var url = this.endpoint + '/cgi-bin/ticket/getticket?access_token=' + this.token.accessToken + '&type=' + type;
|
103 | this.request(url, {dataType: 'json'}, wrapper(function(err, data) {
|
104 | if (err) {
|
105 | return callback(err);
|
106 | }
|
107 |
|
108 | var expireTime = (new Date().getTime()) + (data.expires_in - 10) * 1000;
|
109 | var ticket = new Ticket(data.ticket, expireTime);
|
110 | that.saveTicketToken(type, ticket, function (err) {
|
111 | if (err) {
|
112 | return callback(err);
|
113 | }
|
114 | callback(err, ticket);
|
115 | });
|
116 | }));
|
117 | };
|
118 |
|
119 |
|
120 |
|
121 |
|
122 | var createNonceStr = function () {
|
123 | return Math.random().toString(36).substr(2, 15);
|
124 | };
|
125 |
|
126 |
|
127 |
|
128 |
|
129 | var createTimestamp = function () {
|
130 | return parseInt(new Date().getTime() / 1000, 0) + '';
|
131 | };
|
132 |
|
133 |
|
134 |
|
135 |
|
136 | var raw = function (args) {
|
137 | var keys = Object.keys(args);
|
138 | keys = keys.sort();
|
139 | var newArgs = {};
|
140 | keys.forEach(function (key) {
|
141 | newArgs[key.toLowerCase()] = args[key];
|
142 | });
|
143 |
|
144 | var string = '';
|
145 | var newKeys = Object.keys(newArgs);
|
146 | for (var i = 0; i < newKeys.length; i++) {
|
147 | var k = newKeys[i];
|
148 | string += '&' + k + '=' + newArgs[k];
|
149 | }
|
150 | return string.substr(1);
|
151 | };
|
152 |
|
153 |
|
154 |
|
155 |
|
156 |
|
157 |
|
158 |
|
159 |
|
160 |
|
161 | var sign = function (nonceStr, jsapi_ticket, timestamp, url) {
|
162 | var ret = {
|
163 | jsapi_ticket: jsapi_ticket,
|
164 | nonceStr: nonceStr,
|
165 | timestamp: timestamp,
|
166 | url: url
|
167 | };
|
168 | var string = raw(ret);
|
169 | var shasum = crypto.createHash('sha1');
|
170 | shasum.update(string);
|
171 | return shasum.digest('hex');
|
172 | };
|
173 |
|
174 |
|
175 |
|
176 |
|
177 |
|
178 |
|
179 |
|
180 |
|
181 |
|
182 |
|
183 |
|
184 |
|
185 | var signCardExt = function(api_ticket, card_id, timestamp, code, openid, balance) {
|
186 | var values = [api_ticket, card_id, timestamp, code || '', openid || '', balance || ''];
|
187 | values.sort();
|
188 |
|
189 | var string = values.join('');
|
190 | var shasum = crypto.createHash('sha1');
|
191 | shasum.update(string);
|
192 | return shasum.digest('hex');
|
193 | };
|
194 |
|
195 |
|
196 |
|
197 |
|
198 |
|
199 |
|
200 |
|
201 | var preRequestJSApi = function (method, args, retryed) {
|
202 | var that = this;
|
203 | var callback = args[args.length - 1];
|
204 |
|
205 | that.getTicketToken('jsapi', function (err, cache) {
|
206 | if (err) {
|
207 | return callback(err);
|
208 | }
|
209 | var ticket;
|
210 |
|
211 | if (cache && (ticket = new Ticket(cache.ticket, cache.expireTime)).isValid()) {
|
212 |
|
213 | that.jsTicket = ticket;
|
214 | if (!retryed) {
|
215 | var retryHandle = function (err, data, res) {
|
216 |
|
217 | if (data && data.errcode && data.errcode === INVALID_TICKET_CODE) {
|
218 | return preRequestJSApi.call(that, method, args, true);
|
219 | }
|
220 | callback(err, data, res);
|
221 | };
|
222 |
|
223 | var newargs = Array.prototype.slice.call(args, 0, -1);
|
224 | newargs.push(retryHandle);
|
225 | method.apply(that, newargs);
|
226 | } else {
|
227 | method.apply(that, args);
|
228 | }
|
229 | } else {
|
230 |
|
231 | that.getTicket(function (err, ticket) {
|
232 |
|
233 | if (err) {
|
234 | return callback(err);
|
235 | }
|
236 |
|
237 | that.jsTicket = ticket;
|
238 | method.apply(that, args);
|
239 | });
|
240 | }
|
241 | });
|
242 | };
|
243 |
|
244 |
|
245 |
|
246 |
|
247 |
|
248 |
|
249 |
|
250 | var preRequestWxCardApi = function(method, args, retryed) {
|
251 | var that = this;
|
252 | var callback = args[args.length - 1];
|
253 |
|
254 | that.getTicketToken('wx_card', function (err, cache) {
|
255 | if (err) {
|
256 | return callback(err);
|
257 | }
|
258 | var ticket;
|
259 |
|
260 | if (cache && (ticket = new Ticket(cache.ticket, cache.expireTime)).isValid()) {
|
261 |
|
262 | that.wxCardTicket = ticket;
|
263 | if (!retryed) {
|
264 | var retryHandle = function (err, data, res) {
|
265 |
|
266 | if (data && data.errcode && data.errcode === INVALID_TICKET_CODE) {
|
267 | return preRequestWxCardApi.call(that, method, args, true);
|
268 | }
|
269 | callback(err, data, res);
|
270 | };
|
271 |
|
272 | var newargs = Array.prototype.slice.call(args, 0, -1);
|
273 | newargs.push(retryHandle);
|
274 | method.apply(that, newargs);
|
275 | } else {
|
276 | method.apply(that, args);
|
277 | }
|
278 | } else {
|
279 |
|
280 | that.getTicket('wx_card', function (err, ticket) {
|
281 |
|
282 | if (err) {
|
283 | return callback(err);
|
284 | }
|
285 |
|
286 | that.wxCardTicket = ticket;
|
287 | method.apply(that, args);
|
288 | });
|
289 | }
|
290 | });
|
291 | };
|
292 |
|
293 |
|
294 |
|
295 |
|
296 |
|
297 |
|
298 |
|
299 |
|
300 |
|
301 |
|
302 |
|
303 |
|
304 |
|
305 |
|
306 |
|
307 |
|
308 |
|
309 |
|
310 |
|
311 |
|
312 |
|
313 | exports.getJsConfig = function (param, callback) {
|
314 | preRequestJSApi.call(this, this._getJsConfig, arguments);
|
315 | };
|
316 | exports._getJsConfig = function (param, callback) {
|
317 | var that = this;
|
318 | var nonceStr = createNonceStr();
|
319 | var jsAPITicket = this.jsTicket.ticket;
|
320 | var timestamp = createTimestamp();
|
321 | var signature = sign(nonceStr, jsAPITicket, timestamp, param.url);
|
322 | var result = {
|
323 | debug: param.debug,
|
324 | appId: that.appid,
|
325 | timestamp: timestamp,
|
326 | nonceStr: nonceStr,
|
327 | signature: signature,
|
328 | jsApiList: param.jsApiList
|
329 | };
|
330 |
|
331 |
|
332 |
|
333 |
|
334 | if (param.beta) {
|
335 | result.beta = param.beta;
|
336 | }
|
337 | callback(null, result);
|
338 | };
|
339 |
|
340 |
|
341 |
|
342 |
|
343 |
|
344 |
|
345 |
|
346 |
|
347 |
|
348 |
|
349 |
|
350 |
|
351 |
|
352 |
|
353 |
|
354 |
|
355 |
|
356 |
|
357 |
|
358 |
|
359 |
|
360 |
|
361 |
|
362 | exports.getCardExt = function (param, callback) {
|
363 | preRequestWxCardApi.call(this, this._getCardExt, arguments);
|
364 | };
|
365 |
|
366 | exports._getCardExt = function (param, callback) {
|
367 | var apiTicket = this.wxCardTicket.ticket;
|
368 | var timestamp = createTimestamp();
|
369 | var signature = signCardExt(apiTicket, param.card_id, timestamp, param.code, param.openid, param.balance);
|
370 | var result = {
|
371 | timestamp: timestamp,
|
372 | signature: signature
|
373 | };
|
374 |
|
375 | result.code = param.code || '';
|
376 | result.openid = param.openid || '';
|
377 |
|
378 | if (param.balance) {
|
379 | result.balance = param.balance;
|
380 | }
|
381 | callback(null, result);
|
382 | };
|
383 |
|
384 |
|
385 |
|
386 |
|
387 |
|
388 |
|
389 |
|
390 |
|
391 |
|
392 |
|
393 |
|
394 |
|
395 |
|
396 |
|
397 |
|
398 | exports.getLatestTicket = function (callback) {
|
399 | preRequestJSApi.call(this, this._getLatestTicket, arguments);
|
400 | };
|
401 | exports._getLatestTicket = function (callback) {
|
402 | callback(null, this.jsTicket);
|
403 | };
|