/usr/share/xul-ext/gdata-provider/js/calGoogleRequest.js is in xul-ext-gdata-provider 1.3+build1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 | /* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Google Calendar Provider code.
*
* The Initial Developer of the Original Code is
* Philipp Kewisch <mozilla@kewis.ch>
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
Components.utils.import("resource://calendar/modules/calUtils.jsm");
/**
* calGoogleRequest
* This class represents a HTTP request sent to Google
*
* @constructor
* @class
*/
function calGoogleRequest(aSession) {
this.mQueryParameters = new Array();
this.mSession = aSession;
this.wrappedJSObject = this;
}
calGoogleRequest.prototype = {
/* Members */
mUploadContent: null,
mUploadData: null,
mSession: null,
mExtraData: null,
mQueryParameters: null,
mType: null,
mCalendar: null,
mLoader: null,
mStatus: Components.results.NS_OK,
/* Constants */
LOGIN: 0,
ADD: 1,
MODIFY: 2,
DELETE: 3,
GET: 4,
/* Simple Attributes */
method: "GET",
id: null,
uri: null,
responseListener: null,
operationListener: null,
reauthenticate: true,
itemRangeStart: null,
itemRangeEnd: null,
itemFilter: null,
itemId: null,
calendar: null,
newItem: null,
oldItem: null,
destinationCal: null,
/* nsIClassInfo */
getInterfaces: function cI_cGR_getInterfaces (aCount) {
var ifaces = [
Components.interfaces.nsISupports,
Components.interfaces.calIGoogleRequest,
Components.interfaces.calIOperation,
Components.interfaces.nsIStreamLoaderObserver,
Components.interfaces.nsIInterfaceRequestor,
Components.interfaces.nsIChannelEventSink,
Components.interfaces.nsIClassInfo
];
aCount.value = ifaces.length;
return ifaces;
},
getHelperForLanguage: function cI_cGR_getHelperForLanguage(aLanguage) {
return null;
},
classDescription: "Google Calendar Request",
contractID: "@mozilla.org/calendar/providers/gdata/request;1",
classID: Components.ID("{53a3438a-21bc-4a0f-b813-77a8b4f19282}"),
implementationLanguage: Components.interfaces.nsIProgrammingLanguage.JAVASCRIPT,
constructor: "calGoogleRequest",
flags: 0,
/* nsISupports */
QueryInterface: function cGR_QueryInterface(aIID) {
return cal.doQueryInterface(this, calGoogleRequest.prototype, aIID, null, this);
},
/**
* Implement calIOperation
*/
get isPending() {
return (this.mLoader && this.mLoader.request != null);
},
get status() {
if (this.isPending) {
return this.mLoader.request.status;
} else {
return this.mStatus;
}
},
cancel: function cGR_cancel(aStatus) {
if (this.isPending) {
this.mLoader.request.cancel(aStatus);
this.mStatus = aStatus;
}
},
/**
* attribute type
* The type of this reqest. Must be one of
* LOGIN, GET, ADD, MODIFY, DELETE
* This also sets the Request Method and for the LOGIN request also the uri
*/
get type() { return this.mType; },
set type(v) {
switch (v) {
case this.LOGIN:
this.method = "POST";
this.uri = "https://www.google.com/accounts/ClientLogin";
break;
case this.GET:
this.method = "GET";
break;
case this.ADD:
this.method = "POST";
break;
case this.MODIFY:
this.method = "PUT";
break;
case this.DELETE:
this.method = "DELETE";
break;
default:
throw new Components.Exception("", Components.results.NS_ERROR_ILLEGAL_VALUE);
break;
}
this.mType = v;
return v;
},
/**
* setUploadData
* The HTTP body data for a POST or PUT request.
*
* @param aContentType The Content type of the Data
* @param aData The Data to upload
*/
setUploadData: function cGR_setUploadData(aContentType, aData) {
this.mUploadContent = aContentType;
this.mUploadData = aData;
},
/**
* addQueryParameter
* Adds a query parameter to this request. This will be used in conjunction
* with the uri.
*
* @param aKey The key of the request parameter.
* @param aValue The value of the request parameter. This parameter will
* be escaped.
*/
addQueryParameter: function cGR_addQueryParameter(aKey, aValue) {
if (aValue == null || aValue == "") {
// Silently ignore empty values.
return;
}
this.mQueryParameters.push(aKey + "=" + encodeURIComponent(aValue));
},
/**
* commit
* Starts the request process. This can be called multiple times if the
* request should be repeated
*
* @param aSession The session object this request should be made with.
* This parameter is optional
*/
commit: function cGR_commit(aSession) {
try {
// Set the session to request with
if (aSession) {
this.mSession = aSession;
}
// create the channel
var ioService = cal.getIOService();
var uristring = this.uri;
if (this.mQueryParameters.length > 0) {
uristring += "?" + this.mQueryParameters.join("&");
}
var uri = ioService.newURI(uristring, null, null);
var channel = ioService.newChannelFromURI(uri);
this.prepareChannel(channel);
channel = channel.QueryInterface(Components.interfaces.nsIHttpChannel);
channel.redirectionLimit = 3;
this.mLoader = cal.createStreamLoader();
cal.LOG("[calGoogleCalendar] Requesting " + this.method + " " +
channel.URI.spec);
channel.notificationCallbacks = this;
cal.sendHttpRequest(this.mLoader, channel, this);
} catch (e) {
// Let the response function handle the error that happens here
this.fail(e.result, e.message);
}
},
/**
* fail
* Call this request's listener with the given code and Message
*
* @param aCode The Error code to fail with
* @param aMessage The Error message. If this is null, an error Message
* from calIGoogleErrors will be used.
*/
fail: function cGR_fail(aCode, aMessage) {
this.mLoader = null;
this.mStatus = aCode;
this.responseListener.onResult(this, aMessage);
},
/**
* succeed
* Call this request's listener with a Success Code and the given Result.
*
* @param aResult The result Text of this request.
*/
succeed: function cGR_succeed(aResult) {
// Succeeding is nothing more than failing with the result code set to
// NS_OK.
this.fail(Components.results.NS_OK, aResult);
},
/**
* prepareChannel
* Prepares the passed channel to match this objects properties
*
* @param aChannel The Channel to be prepared
*/
prepareChannel: function cGR_prepareChannel(aChannel) {
// No caching
aChannel.loadFlags |= Components.interfaces.nsIRequest.LOAD_BYPASS_CACHE;
// Set upload Data
if (this.mUploadData) {
var converter = Components.classes["@mozilla.org/intl/scriptableunicodeconverter"].
createInstance(Components.interfaces.nsIScriptableUnicodeConverter);
converter.charset = "UTF-8";
var stream = converter.convertToInputStream(this.mUploadData);
aChannel = aChannel.QueryInterface(Components.interfaces.nsIUploadChannel);
aChannel.setUploadStream(stream, this.mUploadContent, -1);
if (this.mType == this.LOGIN) {
cal.LOG("[calGoogleCalendar] Setting upload data for login request (hidden)");
} else {
cal.LOG("[calGoogleCalendar] Setting Upload Data (" +
this.mUploadContent + "):\n" + this.mUploadData);
}
}
aChannel = aChannel.QueryInterface(Components.interfaces.nsIHttpChannel);
// Depending on the preference, we will use X-HTTP-Method-Override to
// get around some proxies. This will default to true.
if (getPrefSafe("calendar.google.useHTTPMethodOverride", true) &&
(this.method == "PUT" || this.method == "DELETE")) {
aChannel.requestMethod = "POST";
aChannel.setRequestHeader("X-HTTP-Method-Override",
this.method,
false);
if (this.method == "DELETE") {
// DELETE has no body, set an empty one so that Google accepts
// the request.
aChannel.setRequestHeader("Content-Type",
"application/atom+xml; charset=UTF-8",
false);
aChannel.setRequestHeader("Content-Length", 0, false);
}
} else {
aChannel.requestMethod = this.method;
}
// Add Authorization
if (this.mSession.authToken) {
aChannel.setRequestHeader("Authorization",
"GoogleLogin auth="
+ this.mSession.authToken,
false);
}
},
/**
* @see nsIInterfaceRequestor
* @see calProviderUtils.jsm
*/
getInterface: cal.InterfaceRequestor_getInterface,
/**
* @see nsIChannelEventSink
*/
asyncOnChannelRedirect: function cGR_onChannelRedirect(aOldChannel,
aNewChannel,
aFlags,
aCallback) {
// all we need to do to the new channel is the basic preparation
this.prepareChannel(aNewChannel);
aCallback.onRedirectVerifyCallback(Components.results.NS_OK);
},
/**
* @see nsIStreamLoaderObserver
*/
onStreamComplete: function cGR_onStreamComplete(aLoader,
aContext,
aStatus,
aResultLength,
aResult) {
if (!aResult || !Components.isSuccessCode(aStatus)) {
this.fail(aStatus, aResult);
return;
}
var httpChannel = aLoader.request.QueryInterface(Components.interfaces.nsIHttpChannel);
// Convert the stream, falling back to utf-8 in case its not given.
let result = cal.convertByteArray(aResult, aResultLength, httpChannel.contentCharset);
if (result === null) {
this.fail(Components.results.NS_ERROR_FAILURE,
"Could not convert bytestream to Unicode: " + e);
return;
}
// Calculate Google Clock Skew
var serverDate = new Date(httpChannel.getResponseHeader("Date"));
var curDate = new Date();
// The utility function getCorrectedDate in calGoogleUtils.js recieves
// its clock skew seconds from here. The clock skew is updated on each
// request and is therefore quite accurate.
getCorrectedDate.mClockSkew = curDate.getTime() - serverDate.getTime();
// Remember when this request happened
this.requestDate = jsDateToDateTime(serverDate);
// Handle all (documented) error codes
switch (httpChannel.responseStatus) {
case 200: /* No error. */
case 201: /* Creation of a resource was successful. */
// Everything worked out, we are done
this.succeed(result);
break;
case 401: /* Authorization required. */
case 403: /* Unsupported standard parameter, or authentication or
Authorization failed. */
cal.LOG("[calGoogleCalendar] Login failed for " + this.mSession.userName +
" HTTP Status " + httpChannel.responseStatus);
// login failed. auth token must be invalid, password too
if (this.type == this.MODIFY ||
this.type == this.DELETE ||
this.type == this.ADD) {
// Encountering this error on a write request means the
// calendar is readonly
this.fail(Components.interfaces.calIErrors.CAL_IS_READONLY, result);
} else if (!this.reauthenticate) {
// If no reauth was requested, then don't invalidate the
// whole session and just bail out
this.fail(kGOOGLE_LOGIN_FAILED, result);
} else if (this.type == this.LOGIN) {
// If this was a login request itself, then fail it.
// That will take care of logging in again
this.mSession.invalidate();
this.fail(kGOOGLE_LOGIN_FAILED, result);
} else {
// Retry the request. Invalidating the session will trigger
// a new login dialog.
this.mSession.invalidate();
this.mSession.asyncItemRequest(this);
}
break;
case 404: /* The resource was not found on the server, which is
also a conflict */
// 404 NOT FOUND: Resource (such as a feed or entry) not found.
this.fail(kGOOGLE_CONFLICT_DELETED, "");
break;
case 409: /* Specified version number doesn't match resource's
latest version number. */
this.fail(kGOOGLE_CONFLICT_MODIFY, result);
break;
case 400:
// 400 BAD REQUEST: Invalid request URI or header, or
// unsupported nonstandard parameter.
// HACK Ugh, this sucks. If we send a lower sequence number, Google
// will throw a 400 and not a 409, even though both cases are a conflict.
if (result == "Cannot decrease the sequence number of an event") {
this.fail(kGOOGLE_CONFLICT_MODIFY, "SEQUENCE-HACK");
break;
}
// Otherwise fall through
default:
// The following codes are caught here:
// 500 INTERNAL SERVER ERROR: Internal error. This is the
// default code that is used for
// all unrecognized errors.
//
// Something else went wrong
var error = "A request Error Occurred. Status Code: " +
httpChannel.responseStatus + " " +
httpChannel.responseStatusText + " Body: " +
result;
this.fail(Components.results.NS_ERROR_NOT_AVAILABLE, error);
break;
}
}
};
|