mirror of
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107 lines
3.4 KiB
JavaScript
107 lines
3.4 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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var {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
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Cu.import("resource://gre/modules/Log.jsm");
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Cu.import("resource://services-common/rest.js");
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Cu.import("resource://services-sync/util.js");
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Cu.import("resource://services-sync/constants.js");
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this.EXPORTED_SYMBOLS = ["SyncStorageRequest"];
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const STORAGE_REQUEST_TIMEOUT = 5 * 60; // 5 minutes
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/**
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* RESTRequest variant for use against a Sync storage server.
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*/
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this.SyncStorageRequest = function SyncStorageRequest(uri) {
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RESTRequest.call(this, uri);
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this.authenticator = null;
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}
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SyncStorageRequest.prototype = {
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__proto__: RESTRequest.prototype,
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_logName: "Sync.StorageRequest",
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/**
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* The string to use as the base User-Agent in Sync requests.
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* These strings will look something like
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*
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* Firefox/4.0 FxSync/1.8.0.20100101.mobile
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*
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* or
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*
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* Firefox Aurora/5.0a1 FxSync/1.9.0.20110409.desktop
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*/
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userAgent:
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Services.appinfo.name + "/" + Services.appinfo.version + // Product.
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" FxSync/" + WEAVE_VERSION + "." + // Sync.
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Services.appinfo.appBuildID + ".", // Build.
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/**
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* Wait 5 minutes before killing a request.
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*/
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timeout: STORAGE_REQUEST_TIMEOUT,
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dispatch: function dispatch(method, data, onComplete, onProgress) {
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// Compose a UA string fragment from the various available identifiers.
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if (Svc.Prefs.get("sendVersionInfo", true)) {
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let ua = this.userAgent + Svc.Prefs.get("client.type", "desktop");
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this.setHeader("user-agent", ua);
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}
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if (this.authenticator) {
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this.authenticator(this);
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} else {
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this._log.debug("No authenticator found.");
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}
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return RESTRequest.prototype.dispatch.apply(this, arguments);
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},
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onStartRequest: function onStartRequest(channel) {
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RESTRequest.prototype.onStartRequest.call(this, channel);
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if (this.status == this.ABORTED) {
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return;
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}
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let headers = this.response.headers;
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// Save the latest server timestamp when possible.
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if (headers["x-weave-timestamp"]) {
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SyncStorageRequest.serverTime = parseFloat(headers["x-weave-timestamp"]);
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}
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// This is a server-side safety valve to allow slowing down
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// clients without hurting performance.
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if (headers["x-weave-backoff"]) {
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Svc.Obs.notify("weave:service:backoff:interval",
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parseInt(headers["x-weave-backoff"], 10));
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}
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if (this.response.success && headers["x-weave-quota-remaining"]) {
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Svc.Obs.notify("weave:service:quota:remaining",
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parseInt(headers["x-weave-quota-remaining"], 10));
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}
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},
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onStopRequest: function onStopRequest(channel, context, statusCode) {
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if (this.status != this.ABORTED) {
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let resp = this.response;
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let contentLength = resp.headers ? resp.headers["content-length"] : "";
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if (resp.success && contentLength &&
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contentLength != resp.body.length) {
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this._log.warn("The response body's length of: " + resp.body.length +
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" doesn't match the header's content-length of: " +
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contentLength + ".");
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}
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}
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RESTRequest.prototype.onStopRequest.apply(this, arguments);
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}
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};
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