mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
748bfe6315
Backed out changeset a1cd28ddbfa2 (bug 1230221) Backed out changeset 7e89f5020ac7 (bug 1230220) Backed out changeset 91f6e72fa9f4 (bug 1229890) Backed out changeset 7e717a810420 (bug 1229890)
749 lines
22 KiB
JavaScript
749 lines
22 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MERGED_COMPARTMENT
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var {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
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this.EXPORTED_SYMBOLS = [
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"RESTRequest",
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"RESTResponse",
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"TokenAuthenticatedRESTRequest",
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];
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#endif
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Cu.import("resource://gre/modules/Preferences.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Log.jsm");
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Cu.import("resource://services-common/utils.js");
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XPCOMUtils.defineLazyModuleGetter(this, "CryptoUtils",
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"resource://services-crypto/utils.js");
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const Prefs = new Preferences("services.common.rest.");
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/**
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* Single use HTTP requests to RESTish resources.
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*
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* @param uri
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* URI for the request. This can be an nsIURI object or a string
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* that can be used to create one. An exception will be thrown if
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* the string is not a valid URI.
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*
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* Examples:
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*
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* (1) Quick GET request:
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*
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* new RESTRequest("http://server/rest/resource").get(function (error) {
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* if (error) {
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* // Deal with a network error.
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* processNetworkErrorCode(error.result);
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* return;
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* }
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* if (!this.response.success) {
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* // Bail out if we're not getting an HTTP 2xx code.
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* processHTTPError(this.response.status);
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* return;
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* }
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* processData(this.response.body);
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* });
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*
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* (2) Quick PUT request (non-string data is automatically JSONified)
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*
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* new RESTRequest("http://server/rest/resource").put(data, function (error) {
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* ...
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* });
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*
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* (3) Streaming GET
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*
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* let request = new RESTRequest("http://server/rest/resource");
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* request.setHeader("Accept", "application/newlines");
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* request.onComplete = function (error) {
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* if (error) {
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* // Deal with a network error.
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* processNetworkErrorCode(error.result);
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* return;
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* }
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* callbackAfterRequestHasCompleted()
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* });
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* request.onProgress = function () {
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* if (!this.response.success) {
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* // Bail out if we're not getting an HTTP 2xx code.
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* return;
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* }
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* // Process body data and reset it so we don't process the same data twice.
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* processIncrementalData(this.response.body);
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* this.response.body = "";
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* });
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* request.get();
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*/
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this.RESTRequest = function RESTRequest(uri) {
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this.status = this.NOT_SENT;
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// If we don't have an nsIURI object yet, make one. This will throw if
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// 'uri' isn't a valid URI string.
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if (!(uri instanceof Ci.nsIURI)) {
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uri = Services.io.newURI(uri, null, null);
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}
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this.uri = uri;
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this._headers = {};
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this._log = Log.repository.getLogger(this._logName);
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this._log.level =
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Log.Level[Prefs.get("log.logger.rest.request")];
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}
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RESTRequest.prototype = {
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_logName: "Services.Common.RESTRequest",
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QueryInterface: XPCOMUtils.generateQI([
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Ci.nsIBadCertListener2,
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Ci.nsIInterfaceRequestor,
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Ci.nsIChannelEventSink
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]),
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/*** Public API: ***/
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/**
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* URI for the request (an nsIURI object).
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*/
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uri: null,
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/**
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* HTTP method (e.g. "GET")
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*/
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method: null,
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/**
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* RESTResponse object
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*/
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response: null,
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/**
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* nsIRequest load flags. Don't do any caching by default. Don't send user
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* cookies and such over the wire (Bug 644734).
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*/
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loadFlags: Ci.nsIRequest.LOAD_BYPASS_CACHE | Ci.nsIRequest.INHIBIT_CACHING | Ci.nsIRequest.LOAD_ANONYMOUS,
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/**
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* nsIHttpChannel
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*/
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channel: null,
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/**
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* Flag to indicate the status of the request.
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*
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* One of NOT_SENT, SENT, IN_PROGRESS, COMPLETED, ABORTED.
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*/
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status: null,
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NOT_SENT: 0,
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SENT: 1,
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IN_PROGRESS: 2,
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COMPLETED: 4,
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ABORTED: 8,
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/**
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* HTTP status text of response
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*/
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statusText: null,
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/**
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* Request timeout (in seconds, though decimal values can be used for
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* up to millisecond granularity.)
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*
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* 0 for no timeout.
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*/
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timeout: null,
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/**
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* The encoding with which the response to this request must be treated.
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* If a charset parameter is available in the HTTP Content-Type header for
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* this response, that will always be used, and this value is ignored. We
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* default to UTF-8 because that is a reasonable default.
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*/
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charset: "utf-8",
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/**
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* Called when the request has been completed, including failures and
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* timeouts.
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*
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* @param error
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* Error that occurred while making the request, null if there
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* was no error.
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*/
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onComplete: function onComplete(error) {
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},
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/**
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* Called whenever data is being received on the channel. If this throws an
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* exception, the request is aborted and the exception is passed as the
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* error to onComplete().
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*/
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onProgress: function onProgress() {
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},
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/**
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* Set a request header.
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*/
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setHeader: function setHeader(name, value) {
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this._headers[name.toLowerCase()] = value;
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},
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/**
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* Perform an HTTP GET.
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*
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* @param onComplete
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* Short-circuit way to set the 'onComplete' method. Optional.
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* @param onProgress
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* Short-circuit way to set the 'onProgress' method. Optional.
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*
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* @return the request object.
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*/
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get: function get(onComplete, onProgress) {
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return this.dispatch("GET", null, onComplete, onProgress);
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},
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/**
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* Perform an HTTP PATCH.
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*
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* @param data
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* Data to be used as the request body. If this isn't a string
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* it will be JSONified automatically.
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* @param onComplete
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* Short-circuit way to set the 'onComplete' method. Optional.
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* @param onProgress
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* Short-circuit way to set the 'onProgress' method. Optional.
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*
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* @return the request object.
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*/
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patch: function patch(data, onComplete, onProgress) {
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return this.dispatch("PATCH", data, onComplete, onProgress);
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},
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/**
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* Perform an HTTP PUT.
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*
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* @param data
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* Data to be used as the request body. If this isn't a string
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* it will be JSONified automatically.
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* @param onComplete
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* Short-circuit way to set the 'onComplete' method. Optional.
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* @param onProgress
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* Short-circuit way to set the 'onProgress' method. Optional.
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*
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* @return the request object.
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*/
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put: function put(data, onComplete, onProgress) {
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return this.dispatch("PUT", data, onComplete, onProgress);
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},
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/**
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* Perform an HTTP POST.
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*
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* @param data
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* Data to be used as the request body. If this isn't a string
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* it will be JSONified automatically.
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* @param onComplete
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* Short-circuit way to set the 'onComplete' method. Optional.
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* @param onProgress
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* Short-circuit way to set the 'onProgress' method. Optional.
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*
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* @return the request object.
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*/
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post: function post(data, onComplete, onProgress) {
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return this.dispatch("POST", data, onComplete, onProgress);
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},
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/**
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* Perform an HTTP DELETE.
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*
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* @param onComplete
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* Short-circuit way to set the 'onComplete' method. Optional.
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* @param onProgress
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* Short-circuit way to set the 'onProgress' method. Optional.
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*
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* @return the request object.
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*/
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delete: function delete_(onComplete, onProgress) {
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return this.dispatch("DELETE", null, onComplete, onProgress);
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},
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/**
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* Abort an active request.
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*/
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abort: function abort() {
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if (this.status != this.SENT && this.status != this.IN_PROGRESS) {
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throw "Can only abort a request that has been sent.";
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}
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this.status = this.ABORTED;
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this.channel.cancel(Cr.NS_BINDING_ABORTED);
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if (this.timeoutTimer) {
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// Clear the abort timer now that the channel is done.
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this.timeoutTimer.clear();
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}
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},
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/*** Implementation stuff ***/
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dispatch: function dispatch(method, data, onComplete, onProgress) {
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if (this.status != this.NOT_SENT) {
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throw "Request has already been sent!";
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}
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this.method = method;
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if (onComplete) {
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this.onComplete = onComplete;
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}
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if (onProgress) {
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this.onProgress = onProgress;
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}
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// Create and initialize HTTP channel.
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let channel = Services.io.newChannelFromURI2(this.uri,
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null, // aLoadingNode
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Services.scriptSecurityManager.getSystemPrincipal(),
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null, // aTriggeringPrincipal
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Ci.nsILoadInfo.SEC_NORMAL,
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Ci.nsIContentPolicy.TYPE_OTHER)
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.QueryInterface(Ci.nsIRequest)
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.QueryInterface(Ci.nsIHttpChannel);
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this.channel = channel;
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channel.loadFlags |= this.loadFlags;
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channel.notificationCallbacks = this;
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// Set request headers.
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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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}
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channel.setRequestHeader(key, headers[key], false);
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}
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// Set HTTP request body.
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if (method == "PUT" || method == "POST" || method == "PATCH") {
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// Convert non-string bodies into JSON.
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if (typeof data != "string") {
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data = JSON.stringify(data);
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}
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this._log.debug(method + " Length: " + data.length);
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if (this._log.level <= Log.Level.Trace) {
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this._log.trace(method + " Body: " + data);
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}
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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(data, data.length);
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let type = headers["content-type"] || "text/plain";
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channel.QueryInterface(Ci.nsIUploadChannel);
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channel.setUploadStream(stream, type, data.length);
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}
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// We must set this after setting the upload stream, otherwise it
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// will always be 'PUT'. Yeah, I know.
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channel.requestMethod = method;
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// Before opening the channel, set the charset that serves as a hint
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// as to what the response might be encoded as.
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channel.contentCharset = this.charset;
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// Blast off!
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try {
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channel.asyncOpen(this, null);
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} catch (ex) {
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// asyncOpen can throw in a bunch of cases -- e.g., a forbidden port.
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this._log.warn("Caught an error in asyncOpen: " + CommonUtils.exceptionStr(ex));
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CommonUtils.nextTick(onComplete.bind(this, ex));
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}
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this.status = this.SENT;
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this.delayTimeout();
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return this;
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},
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/**
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* Create or push back the abort timer that kills this request.
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*/
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delayTimeout: function delayTimeout() {
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if (this.timeout) {
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CommonUtils.namedTimer(this.abortTimeout, this.timeout * 1000, this,
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"timeoutTimer");
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}
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},
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/**
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* Abort the request based on a timeout.
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*/
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abortTimeout: function abortTimeout() {
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this.abort();
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let error = Components.Exception("Aborting due to channel inactivity.",
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Cr.NS_ERROR_NET_TIMEOUT);
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if (!this.onComplete) {
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this._log.error("Unexpected error: onComplete not defined in " +
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"abortTimeout.");
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return;
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}
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this.onComplete(error);
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},
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/*** nsIStreamListener ***/
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onStartRequest: function onStartRequest(channel) {
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if (this.status == this.ABORTED) {
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this._log.trace("Not proceeding with onStartRequest, request was aborted.");
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return;
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}
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try {
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channel.QueryInterface(Ci.nsIHttpChannel);
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} catch (ex) {
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this._log.error("Unexpected error: channel is not a nsIHttpChannel!");
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this.status = this.ABORTED;
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channel.cancel(Cr.NS_BINDING_ABORTED);
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return;
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}
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this.status = this.IN_PROGRESS;
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this._log.trace("onStartRequest: " + channel.requestMethod + " " +
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channel.URI.spec);
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// Create a response object and fill it with some data.
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let response = this.response = new RESTResponse();
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response.request = this;
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response.body = "";
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this.delayTimeout();
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},
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onStopRequest: function onStopRequest(channel, context, statusCode) {
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if (this.timeoutTimer) {
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// Clear the abort timer now that the channel is done.
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this.timeoutTimer.clear();
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}
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// We don't want to do anything for a request that's already been aborted.
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if (this.status == this.ABORTED) {
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this._log.trace("Not proceeding with onStopRequest, request was aborted.");
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return;
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}
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try {
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channel.QueryInterface(Ci.nsIHttpChannel);
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} catch (ex) {
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this._log.error("Unexpected error: channel not nsIHttpChannel!");
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this.status = this.ABORTED;
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return;
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}
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this.status = this.COMPLETED;
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let statusSuccess = Components.isSuccessCode(statusCode);
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let uri = channel && channel.URI && channel.URI.spec || "<unknown>";
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this._log.trace("Channel for " + channel.requestMethod + " " + uri +
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" returned status code " + statusCode);
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if (!this.onComplete) {
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this._log.error("Unexpected error: onComplete not defined in " +
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"abortRequest.");
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this.onProgress = null;
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return;
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}
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// Throw the failure code and stop execution. Use Components.Exception()
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// instead of Error() so the exception is QI-able and can be passed across
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// XPCOM borders while preserving the status code.
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if (!statusSuccess) {
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let message = Components.Exception("", statusCode).name;
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let error = Components.Exception(message, statusCode);
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this._log.debug(this.method + " " + uri + " failed: " + statusCode + " - " + message);
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this.onComplete(error);
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this.onComplete = this.onProgress = null;
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return;
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}
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this._log.debug(this.method + " " + uri + " " + this.response.status);
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|
|
// Additionally give the full response body when Trace logging.
|
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if (this._log.level <= Log.Level.Trace) {
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this._log.trace(this.method + " body: " + this.response.body);
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}
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|
delete this._inputStream;
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|
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this.onComplete(null);
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this.onComplete = this.onProgress = null;
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},
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onDataAvailable: function onDataAvailable(channel, cb, stream, off, count) {
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// We get an nsIRequest, which doesn't have contentCharset.
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|
try {
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channel.QueryInterface(Ci.nsIHttpChannel);
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} catch (ex) {
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this._log.error("Unexpected error: channel not nsIHttpChannel!");
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this.abort();
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if (this.onComplete) {
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this.onComplete(ex);
|
|
}
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|
this.onComplete = this.onProgress = null;
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return;
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}
|
|
|
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if (channel.contentCharset) {
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this.response.charset = channel.contentCharset;
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|
|
|
if (!this._converterStream) {
|
|
this._converterStream = Cc["@mozilla.org/intl/converter-input-stream;1"]
|
|
.createInstance(Ci.nsIConverterInputStream);
|
|
}
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|
|
this._converterStream.init(stream, channel.contentCharset, 0,
|
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this._converterStream.DEFAULT_REPLACEMENT_CHARACTER);
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|
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try {
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let str = {};
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let num = this._converterStream.readString(count, str);
|
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if (num != 0) {
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this.response.body += str.value;
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}
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|
} catch (ex) {
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this._log.warn("Exception thrown reading " + count + " bytes from " +
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"the channel.");
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this._log.warn(CommonUtils.exceptionStr(ex));
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throw ex;
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}
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} else {
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this.response.charset = null;
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|
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if (!this._inputStream) {
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this._inputStream = Cc["@mozilla.org/scriptableinputstream;1"]
|
|
.createInstance(Ci.nsIScriptableInputStream);
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}
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|
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this._inputStream.init(stream);
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|
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this.response.body += this._inputStream.read(count);
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}
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|
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try {
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|
this.onProgress();
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|
} catch (ex) {
|
|
this._log.warn("Got exception calling onProgress handler, aborting " +
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this.method + " " + channel.URI.spec);
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|
this._log.debug("Exception: " + CommonUtils.exceptionStr(ex));
|
|
this.abort();
|
|
|
|
if (!this.onComplete) {
|
|
this._log.error("Unexpected error: onComplete not defined in " +
|
|
"onDataAvailable.");
|
|
this.onProgress = null;
|
|
return;
|
|
}
|
|
|
|
this.onComplete(ex);
|
|
this.onComplete = this.onProgress = null;
|
|
return;
|
|
}
|
|
|
|
this.delayTimeout();
|
|
},
|
|
|
|
/*** nsIInterfaceRequestor ***/
|
|
|
|
getInterface: function(aIID) {
|
|
return this.QueryInterface(aIID);
|
|
},
|
|
|
|
/*** nsIBadCertListener2 ***/
|
|
|
|
notifyCertProblem: function notifyCertProblem(socketInfo, sslStatus, targetHost) {
|
|
this._log.warn("Invalid HTTPS certificate encountered!");
|
|
// Suppress invalid HTTPS certificate warnings in the UI.
|
|
// (The request will still fail.)
|
|
return true;
|
|
},
|
|
|
|
/**
|
|
* Returns true if headers from the old channel should be
|
|
* copied to the new channel. Invoked when a channel redirect
|
|
* is in progress.
|
|
*/
|
|
shouldCopyOnRedirect: function shouldCopyOnRedirect(oldChannel, newChannel, flags) {
|
|
let isInternal = !!(flags & Ci.nsIChannelEventSink.REDIRECT_INTERNAL);
|
|
let isSameURI = newChannel.URI.equals(oldChannel.URI);
|
|
this._log.debug("Channel redirect: " + oldChannel.URI.spec + ", " +
|
|
newChannel.URI.spec + ", internal = " + isInternal);
|
|
return isInternal && isSameURI;
|
|
},
|
|
|
|
/*** nsIChannelEventSink ***/
|
|
asyncOnChannelRedirect:
|
|
function asyncOnChannelRedirect(oldChannel, newChannel, flags, callback) {
|
|
|
|
try {
|
|
newChannel.QueryInterface(Ci.nsIHttpChannel);
|
|
} catch (ex) {
|
|
this._log.error("Unexpected error: channel not nsIHttpChannel!");
|
|
callback.onRedirectVerifyCallback(Cr.NS_ERROR_NO_INTERFACE);
|
|
return;
|
|
}
|
|
|
|
// For internal redirects, copy the headers that our caller set.
|
|
try {
|
|
if (this.shouldCopyOnRedirect(oldChannel, newChannel, flags)) {
|
|
this._log.trace("Copying headers for safe internal redirect.");
|
|
for (let key in this._headers) {
|
|
newChannel.setRequestHeader(key, this._headers[key], false);
|
|
}
|
|
}
|
|
} catch (ex) {
|
|
this._log.error("Error copying headers: " + CommonUtils.exceptionStr(ex));
|
|
}
|
|
|
|
this.channel = newChannel;
|
|
|
|
// We let all redirects proceed.
|
|
callback.onRedirectVerifyCallback(Cr.NS_OK);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Response object for a RESTRequest. This will be created automatically by
|
|
* the RESTRequest.
|
|
*/
|
|
this.RESTResponse = function RESTResponse() {
|
|
this._log = Log.repository.getLogger(this._logName);
|
|
this._log.level =
|
|
Log.Level[Prefs.get("log.logger.rest.response")];
|
|
}
|
|
RESTResponse.prototype = {
|
|
|
|
_logName: "Sync.RESTResponse",
|
|
|
|
/**
|
|
* Corresponding REST request
|
|
*/
|
|
request: null,
|
|
|
|
/**
|
|
* HTTP status code
|
|
*/
|
|
get status() {
|
|
let status;
|
|
try {
|
|
status = this.request.channel.responseStatus;
|
|
} catch (ex) {
|
|
this._log.debug("Caught exception fetching HTTP status code:" +
|
|
CommonUtils.exceptionStr(ex));
|
|
return null;
|
|
}
|
|
Object.defineProperty(this, "status", {value: status});
|
|
return status;
|
|
},
|
|
|
|
/**
|
|
* HTTP status text
|
|
*/
|
|
get statusText() {
|
|
let statusText;
|
|
try {
|
|
statusText = this.request.channel.responseStatusText;
|
|
} catch (ex) {
|
|
this._log.debug("Caught exception fetching HTTP status text:" +
|
|
CommonUtils.exceptionStr(ex));
|
|
return null;
|
|
}
|
|
Object.defineProperty(this, "statusText", {value: statusText});
|
|
return statusText;
|
|
},
|
|
|
|
/**
|
|
* Boolean flag that indicates whether the HTTP status code is 2xx or not.
|
|
*/
|
|
get success() {
|
|
let success;
|
|
try {
|
|
success = this.request.channel.requestSucceeded;
|
|
} catch (ex) {
|
|
this._log.debug("Caught exception fetching HTTP success flag:" +
|
|
CommonUtils.exceptionStr(ex));
|
|
return null;
|
|
}
|
|
Object.defineProperty(this, "success", {value: success});
|
|
return success;
|
|
},
|
|
|
|
/**
|
|
* Object containing HTTP headers (keyed as lower case)
|
|
*/
|
|
get headers() {
|
|
let headers = {};
|
|
try {
|
|
this._log.trace("Processing response headers.");
|
|
let channel = this.request.channel.QueryInterface(Ci.nsIHttpChannel);
|
|
channel.visitResponseHeaders(function (header, value) {
|
|
headers[header.toLowerCase()] = value;
|
|
});
|
|
} catch (ex) {
|
|
this._log.debug("Caught exception processing response headers:" +
|
|
CommonUtils.exceptionStr(ex));
|
|
return null;
|
|
}
|
|
|
|
Object.defineProperty(this, "headers", {value: headers});
|
|
return headers;
|
|
},
|
|
|
|
/**
|
|
* HTTP body (string)
|
|
*/
|
|
body: null
|
|
|
|
};
|
|
|
|
/**
|
|
* Single use MAC authenticated HTTP requests to RESTish resources.
|
|
*
|
|
* @param uri
|
|
* URI going to the RESTRequest constructor.
|
|
* @param authToken
|
|
* (Object) An auth token of the form {id: (string), key: (string)}
|
|
* from which the MAC Authentication header for this request will be
|
|
* derived. A token as obtained from
|
|
* TokenServerClient.getTokenFromBrowserIDAssertion is accepted.
|
|
* @param extra
|
|
* (Object) Optional extra parameters. Valid keys are: nonce_bytes, ts,
|
|
* nonce, and ext. See CrytoUtils.computeHTTPMACSHA1 for information on
|
|
* the purpose of these values.
|
|
*/
|
|
this.TokenAuthenticatedRESTRequest =
|
|
function TokenAuthenticatedRESTRequest(uri, authToken, extra) {
|
|
RESTRequest.call(this, uri);
|
|
this.authToken = authToken;
|
|
this.extra = extra || {};
|
|
}
|
|
TokenAuthenticatedRESTRequest.prototype = {
|
|
__proto__: RESTRequest.prototype,
|
|
|
|
dispatch: function dispatch(method, data, onComplete, onProgress) {
|
|
let sig = CryptoUtils.computeHTTPMACSHA1(
|
|
this.authToken.id, this.authToken.key, method, this.uri, this.extra
|
|
);
|
|
|
|
this.setHeader("Authorization", sig.getHeader());
|
|
|
|
return RESTRequest.prototype.dispatch.call(
|
|
this, method, data, onComplete, onProgress
|
|
);
|
|
},
|
|
};
|