forked from sudothinker/twtbox
-
Notifications
You must be signed in to change notification settings - Fork 0
/
oauth.js
442 lines (383 loc) · 15 KB
/
oauth.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
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
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
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
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
var crypto= require('crypto'),
sha1= require('./sha1'),
http= require('http'),
https= require('https'),
URL= require('url'),
querystring= require('querystring');
exports.OAuth= function(requestUrl, accessUrl, consumerKey, consumerSecret, version, authorize_callback, signatureMethod, nonceSize, customHeaders) {
this._requestUrl= requestUrl;
this._accessUrl= accessUrl;
this._consumerKey= consumerKey;
this._consumerSecret= this._encodeData( consumerSecret );
this._version= version;
if( authorize_callback === undefined ) {
this._authorize_callback= "oob";
}
else {
this._authorize_callback= authorize_callback;
}
if( signatureMethod != "PLAINTEXT" && signatureMethod != "HMAC-SHA1")
throw new Error("Un-supported signature method: " + signatureMethod )
this._signatureMethod= signatureMethod;
this._nonceSize= nonceSize || 32;
this._headers= customHeaders || {"Accept" : "*/*",
"Connection" : "close",
"User-Agent" : "Node authentication"}
};
exports.OAuth.prototype._getTimestamp= function() {
return Math.floor( (new Date()).getTime() / 1000 );
}
exports.OAuth.prototype._encodeData= function(toEncode){
if( toEncode == null || toEncode == "" ) return ""
else {
var result= encodeURIComponent(toEncode);
// Fix the mismatch between OAuth's RFC3986's and Javascript's beliefs in what is right and wrong ;)
return result.replace(/\!/g, "%21")
.replace(/\'/g, "%27")
.replace(/\(/g, "%28")
.replace(/\)/g, "%29")
.replace(/\*/g, "%2A");
}
}
exports.OAuth.prototype._decodeData= function(toDecode) {
if( toDecode != null ) {
toDecode = toDecode.replace(/\+/g, " ");
}
return decodeURIComponent( toDecode);
}
exports.OAuth.prototype._getSignature= function(method, url, parameters, tokenSecret) {
var signatureBase= this._createSignatureBase(method, url, parameters);
return this._createSignature( signatureBase, tokenSecret );
}
exports.OAuth.prototype._normalizeUrl= function(url) {
var parsedUrl= URL.parse(url, true)
var port ="";
if( parsedUrl.port ) {
if( (parsedUrl.protocol == "http:" && parsedUrl.port != "80" ) ||
(parsedUrl.protocol == "https:" && parsedUrl.port != "443") ) {
port= ":" + parsedUrl.port;
}
}
if( !parsedUrl.pathname || parsedUrl.pathname == "" ) parsedUrl.pathname ="/";
return parsedUrl.protocol + "//" + parsedUrl.hostname + port + parsedUrl.pathname;
}
// Is the parameter considered an OAuth parameter
exports.OAuth.prototype._isParameterNameAnOAuthParameter= function(parameter) {
var m = parameter.match('^oauth_');
if( m && ( m[0] === "oauth_" ) ) {
return true;
}
else {
return false;
}
};
// build the OAuth request authorization header
exports.OAuth.prototype._buildAuthorizationHeaders= function(orderedParameters) {
var authHeader="OAuth ";
for( var i= 0 ; i < orderedParameters.length; i++) {
// Whilst the all the parameters should be included within the signature, only the oauth_ arguments
// should appear within the authorization header.
if( this._isParameterNameAnOAuthParameter(orderedParameters[i][0]) ) {
authHeader+= this._encodeData(orderedParameters[i][0])+"=\""+ this._encodeData(orderedParameters[i][1])+"\",";
}
}
authHeader= authHeader.substring(0, authHeader.length-1);
return authHeader;
}
// Takes an object literal that represents the arguments, and returns an array
// of argument/value pairs.
exports.OAuth.prototype._makeArrayOfArgumentsHash= function(argumentsHash) {
var argument_pairs= [];
for(var key in argumentsHash ) {
var value= argumentsHash[key];
if( Array.isArray(value) ) {
for(var i=0;i<value.length;i++) {
argument_pairs[argument_pairs.length]= [key, value[i]];
}
}
else {
argument_pairs[argument_pairs.length]= [key, value];
}
}
return argument_pairs;
}
// Sorts the encoded key value pairs by encoded name, then encoded value
exports.OAuth.prototype._sortRequestParams= function(argument_pairs) {
// Sort by name, then value.
argument_pairs.sort(function(a,b) {
if ( a[0]== b[0] ) {
return a[1] < b[1] ? -1 : 1;
}
else return a[0] < b[0] ? -1 : 1;
});
return argument_pairs;
}
exports.OAuth.prototype._normaliseRequestParams= function(arguments) {
var argument_pairs= this._makeArrayOfArgumentsHash(arguments);
// First encode them #3.4.1.3.2 .1
for(var i=0;i<argument_pairs.length;i++) {
argument_pairs[i][0]= this._encodeData( argument_pairs[i][0] );
argument_pairs[i][1]= this._encodeData( argument_pairs[i][1] );
}
// Then sort them #3.4.1.3.2 .2
argument_pairs= this._sortRequestParams( argument_pairs );
// Then concatenate together #3.4.1.3.2 .3 & .4
var args= "";
for(var i=0;i<argument_pairs.length;i++) {
args+= argument_pairs[i][0];
args+= "="
args+= argument_pairs[i][1];
if( i < argument_pairs.length-1 ) args+= "&";
}
return args;
}
exports.OAuth.prototype._createSignatureBase= function(method, url, parameters) {
url= this._encodeData( this._normalizeUrl(url) );
parameters= this._encodeData( parameters );
return method.toUpperCase() + "&" + url + "&" + parameters;
}
exports.OAuth.prototype._createSignature= function(signatureBase, tokenSecret) {
if( tokenSecret === undefined ) var tokenSecret= "";
else tokenSecret= this._encodeData( tokenSecret );
// consumerSecret is already encoded
var key= this._consumerSecret + "&" + tokenSecret;
var hash= ""
if( this._signatureMethod == "PLAINTEXT" ) {
hash= this._encodeData(key);
}
else {
if( crypto.Hmac ) {
hash = crypto.createHmac("sha1", key).update(signatureBase).digest("base64");
}
else {
hash= sha1.HMACSHA1(key, signatureBase);
}
}
return hash;
}
exports.OAuth.prototype.NONCE_CHARS= ['a','b','c','d','e','f','g','h','i','j','k','l','m','n',
'o','p','q','r','s','t','u','v','w','x','y','z','A','B',
'C','D','E','F','G','H','I','J','K','L','M','N','O','P',
'Q','R','S','T','U','V','W','X','Y','Z','0','1','2','3',
'4','5','6','7','8','9'];
exports.OAuth.prototype._getNonce= function(nonceSize) {
var result = [];
var chars= this.NONCE_CHARS;
var char_pos;
var nonce_chars_length= chars.length;
for (var i = 0; i < nonceSize; i++) {
char_pos= Math.floor(Math.random() * nonce_chars_length);
result[i]= chars[char_pos];
}
return result.join('');
}
exports.OAuth.prototype._createClient= function( port, hostname, method, path, headers, sslEnabled ) {
var options = {
host: hostname,
port: port,
path: path,
method: method,
headers: headers
};
var httpModel;
if( sslEnabled ) {
httpModel= https;
} else {
httpModel= http;
}
return httpModel.request(options);
}
exports.OAuth.prototype._prepareParameters= function( oauth_token, oauth_token_secret, method, url, extra_params ) {
var oauthParameters= {
"oauth_timestamp": this._getTimestamp(),
"oauth_nonce": this._getNonce(this._nonceSize),
"oauth_version": this._version,
"oauth_signature_method": this._signatureMethod,
"oauth_consumer_key": this._consumerKey
};
if( oauth_token ) {
oauthParameters["oauth_token"]= oauth_token;
}
if( extra_params ) {
for( var key in extra_params ) {
oauthParameters[key]= extra_params[key];
}
}
var parsedUrl= URL.parse( url, false );
if( parsedUrl.query ) {
var key2;
var extraParameters= querystring.parse(parsedUrl.query);
for(var key in extraParameters ) {
var value= extraParameters[key];
if( typeof value == "object" ){
// TODO: This probably should be recursive
for(key2 in value){
oauthParameters[key + "[" + key2 + "]"] = value[key2];
}
} else {
oauthParameters[key]= value;
}
}
}
var sig= this._getSignature( method, url, this._normaliseRequestParams(oauthParameters), oauth_token_secret);
var orderedParameters= this._sortRequestParams( this._makeArrayOfArgumentsHash(oauthParameters) );
orderedParameters[orderedParameters.length]= ["oauth_signature", sig];
return orderedParameters;
}
exports.OAuth.prototype._performSecureRequest= function( oauth_token, oauth_token_secret, method, url, extra_params, post_body, post_content_type, callback ) {
var orderedParameters= this._prepareParameters(oauth_token, oauth_token_secret, method, url, extra_params);
if( !post_content_type ) {
post_content_type= "application/x-www-form-urlencoded";
}
var parsedUrl= URL.parse( url, false );
if( parsedUrl.protocol == "http:" && !parsedUrl.port ) parsedUrl.port= 80;
if( parsedUrl.protocol == "https:" && !parsedUrl.port ) parsedUrl.port= 443;
var headers= {};
headers["Authorization"]= this._buildAuthorizationHeaders(orderedParameters);
headers["Host"] = parsedUrl.host
for( var key in this._headers ) {
if (this._headers.hasOwnProperty(key)) {
headers[key]= this._headers[key];
}
}
// Filter out any passed extra_params that are really to do with OAuth
for(var key in extra_params) {
if( this._isParameterNameAnOAuthParameter( key ) ) {
delete extra_params[key];
}
}
if( (method == "POST" || method == "PUT") && ( post_body == null && extra_params != null) ) {
post_body= querystring.stringify(extra_params);
}
headers["Content-length"]= post_body ? post_body.length : 0; //Probably going to fail if not posting ascii
headers["Content-Type"]= post_content_type;
var path;
if( !parsedUrl.pathname || parsedUrl.pathname == "" ) parsedUrl.pathname ="/";
if( parsedUrl.query ) path= parsedUrl.pathname + "?"+ parsedUrl.query ;
else path= parsedUrl.pathname;
var request;
if( parsedUrl.protocol == "https:" ) {
request= this._createClient(parsedUrl.port, parsedUrl.hostname, method, path, headers, true);
}
else {
request= this._createClient(parsedUrl.port, parsedUrl.hostname, method, path, headers);
}
if( callback ) {
var data="";
var self= this;
request.on('response', function (response) {
response.setEncoding('utf8');
response.on('data', function (chunk) {
data+=chunk;
});
response.on('end', function () {
if( response.statusCode != 200 ) {
callback({ statusCode: response.statusCode, data: data });
} else {
callback(null, data, response);
}
});
});
request.on("error", callback);
if( (method == "POST" || method =="PUT") && post_body != null && post_body != "" ) {
request.write(post_body);
}
request.end();
}
else {
if( (method == "POST" || method =="PUT") && post_body != null && post_body != "" ) {
request.write(post_body);
}
return request;
}
return;
}
exports.OAuth.prototype.getOAuthAccessToken= function(oauth_token, oauth_token_secret, oauth_verifier, callback) {
var extraParams= {};
if( typeof oauth_verifier == "function" ) {
callback= oauth_verifier;
} else {
extraParams.oauth_verifier= oauth_verifier;
}
this._performSecureRequest( oauth_token, oauth_token_secret, "POST", this._accessUrl, extraParams, null, null, function(error, data, response) {
if( error ) callback(error);
else {
var results= querystring.parse( data );
var oauth_access_token= results["oauth_token"];
delete results["oauth_token"];
var oauth_access_token_secret= results["oauth_token_secret"];
delete results["oauth_token_secret"];
callback(null, oauth_access_token, oauth_access_token_secret, results );
}
})
}
// Deprecated
exports.OAuth.prototype.getProtectedResource= function(url, method, oauth_token, oauth_token_secret, callback) {
this._performSecureRequest( oauth_token, oauth_token_secret, method, url, null, "", null, callback );
}
exports.OAuth.prototype.delete= function(url, oauth_token, oauth_token_secret, callback) {
return this._performSecureRequest( oauth_token, oauth_token_secret, "DELETE", url, null, "", null, callback );
}
exports.OAuth.prototype.get= function(url, oauth_token, oauth_token_secret, callback) {
return this._performSecureRequest( oauth_token, oauth_token_secret, "GET", url, null, "", null, callback );
}
exports.OAuth.prototype._putOrPost= function(method, url, oauth_token, oauth_token_secret, post_body, post_content_type, callback) {
var extra_params= null;
if( typeof post_content_type == "function" ) {
callback= post_content_type;
post_content_type= null;
}
if( typeof post_body != "string" ) {
post_content_type= "application/x-www-form-urlencoded"
extra_params= post_body;
post_body= null;
}
return this._performSecureRequest( oauth_token, oauth_token_secret, method, url, extra_params, post_body, post_content_type, callback );
}
exports.OAuth.prototype.put= function(url, oauth_token, oauth_token_secret, post_body, post_content_type, callback) {
return this._putOrPost("PUT", url, oauth_token, oauth_token_secret, post_body, post_content_type, callback);
}
exports.OAuth.prototype.post= function(url, oauth_token, oauth_token_secret, post_body, post_content_type, callback) {
return this._putOrPost("POST", url, oauth_token, oauth_token_secret, post_body, post_content_type, callback);
}
exports.OAuth.prototype.getOAuthRequestToken= function(extraParams, callback) {
if( typeof extraParams == "function" ){
callback = extraParams;
extraParams = {};
}
// Callbacks are 1.0A related
if( this._authorize_callback ) {
extraParams["oauth_callback"]= this._authorize_callback;
}
this._performSecureRequest( null, null, "POST", this._requestUrl, extraParams, null, null, function(error, data, response) {
if( error ) callback(error);
else {
var results= querystring.parse(data);
var oauth_token= results["oauth_token"];
var oauth_token_secret= results["oauth_token_secret"];
delete results["oauth_token"];
delete results["oauth_token_secret"];
callback(null, oauth_token, oauth_token_secret, results );
}
});
}
exports.OAuth.prototype.signUrl= function(url, oauth_token, oauth_token_secret, method) {
if( method === undefined ) {
var method= "GET";
}
var orderedParameters= this._prepareParameters(oauth_token, oauth_token_secret, method, url, {});
var parsedUrl= URL.parse( url, false );
var query="";
for( var i= 0 ; i < orderedParameters.length; i++) {
query+= orderedParameters[i][0]+"="+ this._encodeData(orderedParameters[i][1]) + "&";
}
query= query.substring(0, query.length-1);
return parsedUrl.protocol + "//"+ parsedUrl.host + parsedUrl.pathname + "?" + query;
};
exports.OAuth.prototype.authHeader= function(url, oauth_token, oauth_token_secret, method) {
if( method === undefined ) {
var method= "GET";
}
var orderedParameters= this._prepareParameters(oauth_token, oauth_token_secret, method, url, {});
return this._buildAuthorizationHeaders(orderedParameters);
};