mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
11ce9c4f76
Wrap the error code with a JS Error to track the stack, and re-wrap it to get the full stack trace. Also, remove args for __request for the stack because it's sometimes the whole record..
445 lines
14 KiB
JavaScript
445 lines
14 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Bookmarks Sync.
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*
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* The Initial Developer of the Original Code is Mozilla.
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Dan Mills <thunder@mozilla.com>
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* Anant Narayanan <anant@kix.in>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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const EXPORTED_SYMBOLS = ['Resource', 'JsonFilter'];
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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const Cu = Components.utils;
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Cu.import("resource://weave/ext/Observers.js");
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Cu.import("resource://weave/ext/Preferences.js");
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Cu.import("resource://weave/ext/Sync.js");
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Cu.import("resource://weave/log4moz.js");
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Cu.import("resource://weave/constants.js");
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Cu.import("resource://weave/util.js");
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Cu.import("resource://weave/auth.js");
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// = RequestException =
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//
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// This function raises an exception through the call
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// stack for a failed network request.
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function RequestException(resource, action, request) {
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this._resource = resource;
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this._action = action;
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this._request = request;
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this.location = Components.stack.caller;
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}
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RequestException.prototype = {
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get resource() { return this._resource; },
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get action() { return this._action; },
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get request() { return this._request; },
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get status() { return this._request.status; },
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toString: function ReqEx_toString() {
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return "Could not " + this._action + " resource " + this._resource.spec +
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" (" + this._request.responseStatus + ")";
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}
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};
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// = Resource =
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//
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// Represents a remote network resource, identified by a URI.
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function Resource(uri) {
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this._init(uri);
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}
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Resource.prototype = {
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_logName: "Net.Resource",
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// ** {{{ Resource.authenticator }}} **
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//
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// Getter and setter for the authenticator module
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// responsible for this particular resource. The authenticator
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// module may modify the headers to perform authentication
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// while performing a request for the resource, for example.
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get authenticator() {
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if (this._authenticator)
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return this._authenticator;
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else
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return Auth.lookupAuthenticator(this.spec);
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},
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set authenticator(value) {
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this._authenticator = value;
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},
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// ** {{{ Resource.headers }}} **
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//
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// Getter for access to received headers after the request
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// for the resource has been made, setter for headers to be included
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// while making a request for the resource.
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get headers() {
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return this.authenticator.onRequest(this._headers);
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},
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set headers(value) {
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this._headers = value;
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},
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setHeader: function Res_setHeader() {
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if (arguments.length % 2)
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throw "setHeader only accepts arguments in multiples of 2";
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for (let i = 0; i < arguments.length; i += 2) {
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this._headers[arguments[i]] = arguments[i + 1];
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}
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},
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// ** {{{ Resource.uri }}} **
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//
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// URI representing this resource.
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get uri() {
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return this._uri;
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},
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set uri(value) {
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this._dirty = true;
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this._downloaded = false;
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if (typeof value == 'string')
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this._uri = Utils.makeURI(value);
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else
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this._uri = value;
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},
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// ** {{{ Resource.spec }}} **
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//
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// Get the string representation of the URI.
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get spec() {
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if (this._uri)
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return this._uri.spec;
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return null;
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},
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// ** {{{ Resource.data }}} **
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//
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// Get and set the data encapulated in the resource.
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_data: null,
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get data() this._data,
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set data(value) {
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this._dirty = true;
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this._data = value;
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},
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_lastChannel: null,
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_downloaded: false,
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_dirty: false,
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get lastChannel() this._lastChannel,
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get downloaded() this._downloaded,
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get dirty() this._dirty,
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// ** {{{ Resource.filters }}} **
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//
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// Filters are used to perform pre and post processing on
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// requests made for resources. Use these methods to add,
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// remove and clear filters applied to the resource.
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_filters: null,
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pushFilter: function Res_pushFilter(filter) {
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this._filters.push(filter);
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},
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popFilter: function Res_popFilter() {
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return this._filters.pop();
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},
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clearFilters: function Res_clearFilters() {
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this._filters = [];
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},
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_init: function Res__init(uri) {
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this._log = Log4Moz.repository.getLogger(this._logName);
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this._log.level =
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Log4Moz.Level[Utils.prefs.getCharPref("log.logger.network.resources")];
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this.uri = uri;
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this._headers = {'Content-type': 'text/plain'};
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this._filters = [];
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},
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// ** {{{ Resource._createRequest }}} **
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//
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// This method returns a new IO Channel for requests to be made
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// through. It is never called directly, only {{{_request}}} uses it
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// to obtain a request channel.
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//
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_createRequest: function Res__createRequest() {
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this._lastChannel = Svc.IO.newChannel(this.spec, null, null).
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QueryInterface(Ci.nsIRequest);
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// Always validate the cache:
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let loadFlags = this._lastChannel.loadFlags;
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loadFlags |= Ci.nsIRequest.LOAD_BYPASS_CACHE;
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loadFlags |= Ci.nsIRequest.INHIBIT_CACHING;
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this._lastChannel.loadFlags = loadFlags;
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this._lastChannel = this._lastChannel.QueryInterface(Ci.nsIHttpChannel);
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// Setup a callback to handle bad HTTPS certificates.
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this._lastChannel.notificationCallbacks = new badCertListener();
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// Avoid calling the authorizer more than once
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let headers = this.headers;
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for (let key in headers) {
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if (key == 'Authorization')
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this._log.trace("HTTP Header " + key + ": ***** (suppressed)");
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else
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this._log.trace("HTTP Header " + key + ": " + headers[key]);
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this._lastChannel.setRequestHeader(key, headers[key], false);
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}
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return this._lastChannel;
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},
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_onProgress: function Res__onProgress(channel) {},
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// ** {{{ Resource.filterUpload }}} **
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//
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// Apply pre-request filters. Currently, this is done before
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// any PUT request.
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filterUpload: function Resource_filterUpload() {
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this._data = this._filters.reduce(function(data, filter) {
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return filter.beforePUT(data);
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}, this._data);
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},
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// ** {{{ Resource.filterDownload }}} **
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//
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// Apply post-request filters. Currently, this done after
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// any GET request.
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filterDownload: function Resource_filterDownload() {
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this._data = this._filters.reduceRight(function(data, filter) {
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return filter.afterGET(data);
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}, this._data);
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},
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// ** {{{ Resource._request }}} **
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//
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// Perform a particular HTTP request on the resource. This method
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// is never called directly, but is used by the high-level
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// {{{get}}}, {{{put}}}, {{{post}}} and {{delete}} methods.
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_request: function Res__request(action, data) {
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let iter = 0;
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let channel = this._createRequest();
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if ("undefined" != typeof(data))
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this._data = data;
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// PUT and POST are trreated differently because
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// they have payload data.
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if ("PUT" == action || "POST" == action) {
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this.filterUpload();
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this._log.debug(action + " Length: " + this._data.length);
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this._log.trace(action + " Body: " + this._data);
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let type = ('Content-Type' in this._headers)?
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this._headers['Content-Type'] : 'text/plain';
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let stream = Cc["@mozilla.org/io/string-input-stream;1"].
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createInstance(Ci.nsIStringInputStream);
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stream.setData(this._data, this._data.length);
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channel.QueryInterface(Ci.nsIUploadChannel);
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channel.setUploadStream(stream, type, this._data.length);
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}
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// Setup a channel listener so that the actual network operation
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// is performed asynchronously.
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let [chanOpen, chanCb] = Sync.withCb(channel.asyncOpen, channel);
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let listener = new ChannelListener(chanCb, this._onProgress, this._log);
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channel.requestMethod = action;
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// The channel listener might get a failure code
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try {
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this._data = chanOpen(listener, null);
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}
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catch(ex) {
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// Combine the channel stack with this request stack
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let error = Error(ex.message);
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let chanStack = ex.stack.trim().split(/\n/).slice(1);
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let requestStack = error.stack.split(/\n/).slice(1);
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// Strip out the args for the last 2 frames because they're usually HUGE!
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for (let i = 0; i <= 1; i++)
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requestStack[i] = requestStack[i].replace(/\(".*"\)@/, "(...)@");
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error.stack = chanStack.concat(requestStack).join("\n");
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throw error;
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}
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if (!channel.requestSucceeded) {
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this._log.debug(action + " request failed (" + channel.responseStatus + ")");
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if (this._data)
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this._log.debug("Error response: " + this._data);
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throw new RequestException(this, action, channel);
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} else {
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this._log.debug(action + " request successful (" + channel.responseStatus + ")");
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switch (action) {
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case "DELETE":
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if (Utils.checkStatus(channel.responseStatus, null, [[200,300],404])){
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this._dirty = false;
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this._data = null;
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}
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break;
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case "GET":
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case "POST":
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this._log.trace(action + " Body: " + this._data);
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this.filterDownload();
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break;
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}
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}
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return this._data;
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},
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// ** {{{ Resource.get }}} **
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//
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// Perform an asynchronous HTTP GET for this resource.
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// onComplete will be called on completion of the request.
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get: function Res_get() {
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return this._request("GET");
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},
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// ** {{{ Resource.get }}} **
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//
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// Perform a HTTP PUT for this resource.
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put: function Res_put(data) {
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return this._request("PUT", data);
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},
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// ** {{{ Resource.post }}} **
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//
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// Perform a HTTP POST for this resource.
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post: function Res_post(data) {
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return this._request("POST", data);
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},
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// ** {{{ Resource.delete }}} **
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//
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// Perform a HTTP DELETE for this resource.
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delete: function Res_delete() {
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return this._request("DELETE");
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}
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};
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// = ChannelListener =
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//
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// This object implements the {{{nsIStreamListener}}} interface
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// and is called as the network operation proceeds.
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function ChannelListener(onComplete, onProgress, logger) {
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this._onComplete = onComplete;
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this._onProgress = onProgress;
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this._log = logger;
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}
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ChannelListener.prototype = {
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onStartRequest: function Channel_onStartRequest(channel) {
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// XXX Bug 482179 Some reason xpconnect makes |channel| only nsIRequest
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channel.QueryInterface(Ci.nsIHttpChannel);
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this._log.debug(channel.requestMethod + " request for " +
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channel.URI.spec);
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this._data = '';
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},
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onStopRequest: function Channel_onStopRequest(channel, context, status) {
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if (this._data == '')
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this._data = null;
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// Throw the failure code name (and stop execution)
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if (!Components.isSuccessCode(status))
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this._onComplete.throw(Error(Components.Exception("", status).name));
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this._onComplete(this._data);
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},
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onDataAvailable: function Channel_onDataAvail(req, cb, stream, off, count) {
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let siStream = Cc["@mozilla.org/scriptableinputstream;1"].
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createInstance(Ci.nsIScriptableInputStream);
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siStream.init(stream);
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this._data += siStream.read(count);
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this._onProgress();
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}
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};
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// = JsonFilter =
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//
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// Currently, the only filter used in conjunction with
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// {{{Resource.filters}}}. It simply encodes outgoing records
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// as JSON, and decodes incoming JSON into JS objects.
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function JsonFilter() {
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let level = "Debug";
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try { level = Utils.prefs.getCharPref("log.logger.network.jsonFilter"); }
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catch (e) { /* ignore unset prefs */ }
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this._log = Log4Moz.repository.getLogger("Net.JsonFilter");
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this._log.level = Log4Moz.Level[level];
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}
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JsonFilter.prototype = {
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beforePUT: function JsonFilter_beforePUT(data) {
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this._log.trace("Encoding data as JSON");
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return JSON.stringify(data);
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},
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afterGET: function JsonFilter_afterGET(data) {
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this._log.trace("Decoding JSON data");
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return JSON.parse(data);
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}
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};
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// = badCertListener =
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//
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// We use this listener to ignore bad HTTPS
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// certificates and continue a request on a network
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// channel. Probably not a very smart thing to do,
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// but greatly simplifies debugging and is just very
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// convenient.
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function badCertListener() {
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}
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badCertListener.prototype = {
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getInterface: function(aIID) {
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return this.QueryInterface(aIID);
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},
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QueryInterface: function(aIID) {
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if (aIID.equals(Components.interfaces.nsIBadCertListener2) ||
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aIID.equals(Components.interfaces.nsIInterfaceRequestor) ||
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aIID.equals(Components.interfaces.nsISupports))
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return this;
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throw Components.results.NS_ERROR_NO_INTERFACE;
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},
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notifyCertProblem: function certProblem(socketInfo, sslStatus, targetHost) {
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// Silently ignore?
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let log = Log4Moz.repository.getLogger("Service.CertListener");
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log.level =
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Log4Moz.Level[Utils.prefs.getCharPref("log.logger.network.resources")];
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log.debug("Invalid HTTPS certificate encountered, ignoring!");
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return true;
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}
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};
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