gecko-dev/services/sync/modules/rest.js
Mark Hammond 820da7b465 Bug 1273587 - Change the User-Agent header sent to Sync to include OS information. r=kitcambridge
The custom UA string sent by Sync now includes the "oscpu" portion of the
default UA string. Eg, with this patch my UA string looks like
"Firefox/49.0a1 (Windows NT 6.1; WOW64) FxSync/1.51.0.20160524173017.desktop"
where the value in parenthesis is added by this patch.

MozReview-Commit-ID: 1gfqQoVbO6V

--HG--
extra : rebase_source : 1098134f99bc7ac529c9124c8a565e5cdb24e7da
2016-05-31 09:25:10 +10:00

91 lines
2.8 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
var {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
Cu.import("resource://gre/modules/Log.jsm");
Cu.import("resource://services-common/rest.js");
Cu.import("resource://services-sync/util.js");
Cu.import("resource://services-sync/constants.js");
this.EXPORTED_SYMBOLS = ["SyncStorageRequest"];
const STORAGE_REQUEST_TIMEOUT = 5 * 60; // 5 minutes
/**
* RESTRequest variant for use against a Sync storage server.
*/
this.SyncStorageRequest = function SyncStorageRequest(uri) {
RESTRequest.call(this, uri);
this.authenticator = null;
}
SyncStorageRequest.prototype = {
__proto__: RESTRequest.prototype,
_logName: "Sync.StorageRequest",
/**
* Wait 5 minutes before killing a request.
*/
timeout: STORAGE_REQUEST_TIMEOUT,
dispatch: function dispatch(method, data, onComplete, onProgress) {
// Compose a UA string fragment from the various available identifiers.
if (Svc.Prefs.get("sendVersionInfo", true)) {
this.setHeader("user-agent", Utils.userAgent);
}
if (this.authenticator) {
this.authenticator(this);
} else {
this._log.debug("No authenticator found.");
}
return RESTRequest.prototype.dispatch.apply(this, arguments);
},
onStartRequest: function onStartRequest(channel) {
RESTRequest.prototype.onStartRequest.call(this, channel);
if (this.status == this.ABORTED) {
return;
}
let headers = this.response.headers;
// Save the latest server timestamp when possible.
if (headers["x-weave-timestamp"]) {
SyncStorageRequest.serverTime = parseFloat(headers["x-weave-timestamp"]);
}
// This is a server-side safety valve to allow slowing down
// clients without hurting performance.
if (headers["x-weave-backoff"]) {
Svc.Obs.notify("weave:service:backoff:interval",
parseInt(headers["x-weave-backoff"], 10));
}
if (this.response.success && headers["x-weave-quota-remaining"]) {
Svc.Obs.notify("weave:service:quota:remaining",
parseInt(headers["x-weave-quota-remaining"], 10));
}
},
onStopRequest: function onStopRequest(channel, context, statusCode) {
if (this.status != this.ABORTED) {
let resp = this.response;
let contentLength = resp.headers ? resp.headers["content-length"] : "";
if (resp.success && contentLength &&
contentLength != resp.body.length) {
this._log.warn("The response body's length of: " + resp.body.length +
" doesn't match the header's content-length of: " +
contentLength + ".");
}
}
RESTRequest.prototype.onStopRequest.apply(this, arguments);
}
};