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toolkit/mozapps/plugins/content/pluginInstallerDatasource.js@6474c204b198 (annotated)

toolkit/mozapps/plugins/content/pluginInstallerDatasource.js

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	2	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	3	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	4
michael@0	5	const PFS_NS = "http://www.mozilla.org/2004/pfs-rdf#";
michael@0	6
michael@0	7	function nsRDFItemUpdater(aClientOS, aChromeLocale) {
michael@0	8	this._rdfService = Components.classes["@mozilla.org/rdf/rdf-service;1"]
michael@0	9	.getService(Components.interfaces.nsIRDFService);
michael@0	10	this._os = Components.classes["@mozilla.org/observer-service;1"]
michael@0	11	.getService(Components.interfaces.nsIObserverService);
michael@0	12
michael@0	13	var app = Components.classes["@mozilla.org/xre/app-info;1"]
michael@0	14	.getService(Components.interfaces.nsIXULAppInfo);
michael@0	15	this.appID = app.ID;
michael@0	16	this.buildID = app.platformBuildID;
michael@0	17	this.appRelease = app.version;
michael@0	18
michael@0	19	this.clientOS = aClientOS;
michael@0	20	this.chromeLocale = aChromeLocale;
michael@0	21
michael@0	22	var prefBranch = Components.classes["@mozilla.org/preferences-service;1"]
michael@0	23	.getService(Components.interfaces.nsIPrefBranch);
michael@0	24	this.dsURI = prefBranch.getCharPref("pfs.datasource.url");
michael@0	25	}
michael@0	26
michael@0	27	nsRDFItemUpdater.prototype = {
michael@0	28	checkForPlugin: function (aPluginRequestItem) {
michael@0	29	var dsURI = this.dsURI;
michael@0	30	// escape the mimetype as mimetypes can contain '+', which will break pfs.
michael@0	31	dsURI = dsURI.replace(/%PLUGIN_MIMETYPE%/g, encodeURIComponent(aPluginRequestItem.mimetype));
michael@0	32	dsURI = dsURI.replace(/%APP_ID%/g, this.appID);
michael@0	33	dsURI = dsURI.replace(/%APP_VERSION%/g, this.buildID);
michael@0	34	dsURI = dsURI.replace(/%APP_RELEASE%/g, this.appRelease);
michael@0	35	dsURI = dsURI.replace(/%CLIENT_OS%/g, this.clientOS);
michael@0	36	dsURI = dsURI.replace(/%CHROME_LOCALE%/g, this.chromeLocale);
michael@0	37
michael@0	38	var ds = this._rdfService.GetDataSource(dsURI);
michael@0	39	var rds = ds.QueryInterface(Components.interfaces.nsIRDFRemoteDataSource)
michael@0	40	if (rds.loaded)
michael@0	41	this.onDatasourceLoaded(ds, aPluginRequestItem);
michael@0	42	else {
michael@0	43	var sink = ds.QueryInterface(Components.interfaces.nsIRDFXMLSink);
michael@0	44	sink.addXMLSinkObserver(new nsPluginXMLRDFDSObserver(this, aPluginRequestItem));
michael@0	45	}
michael@0	46	},
michael@0	47
michael@0	48	onDatasourceLoaded: function pfs_onDatasourceLoaded (aDatasource, aPluginRequestItem) {
michael@0	49	var container = Components.classes["@mozilla.org/rdf/container;1"]
michael@0	50	.createInstance(Components.interfaces.nsIRDFContainer);
michael@0	51	var resultRes = this._rdfService.GetResource("urn:mozilla:plugin-results:" + aPluginRequestItem.mimetype);
michael@0	52	var pluginList = aDatasource.GetTarget(resultRes, this._rdfService.GetResource(PFS_NS+"plugins"), true);
michael@0	53
michael@0	54	var pluginInfo = null;
michael@0	55
michael@0	56	try {
michael@0	57	container.Init(aDatasource, pluginList);
michael@0	58
michael@0	59	var children = container.GetElements();
michael@0	60	var target;
michael@0	61
michael@0	62	// get the first item
michael@0	63	var child = children.getNext();
michael@0	64	if (child instanceof Components.interfaces.nsIRDFResource) {
michael@0	65	var name = this._rdfService.GetResource("http://www.mozilla.org/2004/pfs-rdf#updates");
michael@0	66	target = aDatasource.GetTarget(child, name, true);
michael@0	67	}
michael@0	68
michael@0	69	try {
michael@0	70	container.Init(aDatasource, target);
michael@0	71	target = null;
michael@0	72	children = container.GetElements();
michael@0	73
michael@0	74	var child = children.getNext();
michael@0	75	if (child instanceof Components.interfaces.nsIRDFResource) {
michael@0	76	target = child;
michael@0	77	}
michael@0	78
michael@0	79	var rdfs = this._rdfService;
michael@0	80
michael@0	81	function getPFSValueFromRDF(aValue) {
michael@0	82	var rv = null;
michael@0	83
michael@0	84	var myTarget = aDatasource.GetTarget(target, rdfs.GetResource(PFS_NS + aValue), true);
michael@0	85	if (myTarget)
michael@0	86	rv = myTarget.QueryInterface(Components.interfaces.nsIRDFLiteral).Value;
michael@0	87
michael@0	88	return rv;
michael@0	89	}
michael@0	90
michael@0	91	pluginInfo = {
michael@0	92	name: getPFSValueFromRDF("name"),
michael@0	93	pid: getPFSValueFromRDF("guid"),
michael@0	94	version: getPFSValueFromRDF("version"),
michael@0	95	IconUrl: getPFSValueFromRDF("IconUrl"),
michael@0	96	InstallerLocation: getPFSValueFromRDF("InstallerLocation"),
michael@0	97	InstallerHash: getPFSValueFromRDF("InstallerHash"),
michael@0	98	XPILocation: getPFSValueFromRDF("XPILocation"),
michael@0	99	XPIHash: getPFSValueFromRDF("XPIHash"),
michael@0	100	InstallerShowsUI: getPFSValueFromRDF("InstallerShowsUI"),
michael@0	101	manualInstallationURL: getPFSValueFromRDF("manualInstallationURL"),
michael@0	102	requestedMimetype: getPFSValueFromRDF("requestedMimetype"),
michael@0	103	licenseURL: getPFSValueFromRDF("licenseURL"),
michael@0	104	needsRestart: getPFSValueFromRDF("needsRestart")
michael@0	105	};
michael@0	106	}
michael@0	107	catch (ex) {
michael@0	108	Components.utils.reportError(ex);
michael@0	109	}
michael@0	110	}
michael@0	111	catch (ex) {
michael@0	112	Components.utils.reportError(ex);
michael@0	113	}
michael@0	114
michael@0	115	gPluginInstaller.pluginInfoReceived(aPluginRequestItem, pluginInfo);
michael@0	116	},
michael@0	117
michael@0	118	onDatasourceError: function pfs_onDatasourceError (aPluginRequestItem, aError) {
michael@0	119	this._os.notifyObservers(aPluginRequestItem, "error", aError);
michael@0	120	Components.utils.reportError(aError);
michael@0	121	gPluginInstaller.pluginInfoReceived(aPluginRequestItem, null);
michael@0	122	}
michael@0	123	};
michael@0	124
michael@0	125	function nsPluginXMLRDFDSObserver(aUpdater, aPluginRequestItem) {
michael@0	126	this._updater = aUpdater;
michael@0	127	this._item = aPluginRequestItem;
michael@0	128	}
michael@0	129
michael@0	130	nsPluginXMLRDFDSObserver.prototype =
michael@0	131	{
michael@0	132	_updater : null,
michael@0	133	_item : null,
michael@0	134
michael@0	135	// nsIRDFXMLSinkObserver
michael@0	136	onBeginLoad: function(aSink) {},
michael@0	137	onInterrupt: function(aSink) {},
michael@0	138	onResume: function(aSink) {},
michael@0	139	onEndLoad: function(aSink) {
michael@0	140	aSink.removeXMLSinkObserver(this);
michael@0	141
michael@0	142	var ds = aSink.QueryInterface(Components.interfaces.nsIRDFDataSource);
michael@0	143	this._updater.onDatasourceLoaded(ds, this._item);
michael@0	144	},
michael@0	145
michael@0	146	onError: function(aSink, aStatus, aErrorMsg) {
michael@0	147	aSink.removeXMLSinkObserver(this);
michael@0	148	this._updater.onDatasourceError(this._item, aStatus.toString());
michael@0	149	}
michael@0	150	};