gecko-dev/toolkit/mozapps/plugins/content/pluginInstallerService.js

333 lines
11 KiB
JavaScript

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Plugin Finder Service.
*
* The Initial Developer of the Original Code is
* IBM Corporation.
* Portions created by the IBM Corporation are Copyright (C) 2004
* IBM Corporation. All Rights Reserved.
*
* Contributor(s):
* Doron Rosenberg <doronr@us.ibm.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
Components.utils.import("resource://gre/modules/AddonManager.jsm");
const DOWNLOAD_STARTED = 0;
const DOWNLOAD_FINISHED = 1;
const INSTALL_STARTED = 2;
const INSTALL_FINISHED = 3;
const INSTALLS_COMPLETE = 4;
function getLocalizedError(key)
{
return document.getElementById("xpinstallStrings").getString(key);
}
function binaryToHex(input)
{
return [('0' + input.charCodeAt(i).toString(16)).slice(-2)
for (i in input)].join('');
}
function verifyHash(aFile, aHash)
{
try {
var [, method, hash] = /^([A-Za-z0-9]+):(.*)$/.exec(aHash);
var fis = Components.classes['@mozilla.org/network/file-input-stream;1'].
createInstance(Components.interfaces.nsIFileInputStream);
fis.init(aFile, -1, -1, 0);
var hasher = Components.classes['@mozilla.org/security/hash;1'].
createInstance(Components.interfaces.nsICryptoHash);
hasher.initWithString(method);
hasher.updateFromStream(fis, -1);
dlhash = binaryToHex(hasher.finish(false));
return dlhash == hash;
}
catch (e) {
Components.utils.reportError(e);
return false;
}
}
function InstallerObserver(aPlugin)
{
this._plugin = aPlugin;
this._init();
}
InstallerObserver.prototype = {
_init: function()
{
try {
var ios = Components.classes["@mozilla.org/network/io-service;1"].
getService(Components.interfaces.nsIIOService);
var uri = ios.newURI(this._plugin.InstallerLocation, null, null);
uri.QueryInterface(Components.interfaces.nsIURL);
// Use a local filename appropriate for the OS
var leafName = uri.fileName;
var os = Components.classes["@mozilla.org/xre/app-info;1"]
.getService(Components.interfaces.nsIXULRuntime)
.OS;
if (os == "WINNT" && leafName.indexOf(".") < 0)
leafName += ".exe";
var dirs = Components.classes["@mozilla.org/file/directory_service;1"].
getService(Components.interfaces.nsIProperties);
var resultFile = dirs.get("TmpD", Components.interfaces.nsIFile);
resultFile.append(leafName);
resultFile.createUnique(Components.interfaces.nsIFile.NORMAL_FILE_TYPE,
0770);
var channel = ios.newChannelFromURI(uri);
this._downloader =
Components.classes["@mozilla.org/network/downloader;1"].
createInstance(Components.interfaces.nsIDownloader);
this._downloader.init(this, resultFile);
channel.notificationCallbacks = this;
this._fireNotification(DOWNLOAD_STARTED, null);
channel.asyncOpen(this._downloader, null);
}
catch (e) {
Components.utils.reportError(e);
this._fireNotification(INSTALL_FINISHED, getLocalizedError("error-228"));
if (resultFile && resultFile.exists())
resultfile.remove(false);
}
},
/**
* Inform the gPluginInstaller about what's going on.
*/
_fireNotification: function(aStatus, aErrorMsg)
{
gPluginInstaller.pluginInstallationProgress(this._plugin.pid,
aStatus, aErrorMsg);
if (aStatus == INSTALL_FINISHED) {
--PluginInstallService._installersPending;
PluginInstallService._fireFinishedNotification();
}
},
QueryInterface: function(iid)
{
if (iid.equals(Components.interfaces.nsISupports) ||
iid.equals(Components.interfaces.nsIInterfaceRequestor) ||
iid.equals(Components.interfaces.nsIDownloadObserver) ||
iid.equals(Components.interfaces.nsIProgressEventSink))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
getInterface: function(iid)
{
if (iid.equals(Components.interfaces.nsIProgressEventSink))
return this;
return null;
},
onDownloadComplete: function(downloader, request, ctxt, status, result)
{
if (!Components.isSuccessCode(status)) {
// xpinstall error 228 is "Download Error"
this._fireNotification(INSTALL_FINISHED, getLocalizedError("error-228"));
result.remove(false);
return;
}
this._fireNotification(DOWNLOAD_FINISHED);
if (this._plugin.InstallerHash &&
!verifyHash(result, this._plugin.InstallerHash)) {
// xpinstall error 261 is "Invalid file hash..."
this._fireNotification(INSTALL_FINISHED, getLocalizedError("error-261"));
result.remove(false);
return;
}
this._fireNotification(INSTALL_STARTED);
result.QueryInterface(Components.interfaces.nsILocalFile);
try {
// Make sure the file is executable
result.permissions = 0770;
var process = Components.classes["@mozilla.org/process/util;1"]
.createInstance(Components.interfaces.nsIProcess);
process.init(result);
var self = this;
process.runAsync([], 0, {
observe: function(subject, topic, data) {
if (topic != "process-finished") {
Components.utils.reportError("Failed to launch installer");
self._fireNotification(INSTALL_FINISHED,
getLocalizedError("error-207"));
}
else if (process.exitValue != 0) {
Components.utils.reportError("Installer returned exit code " + process.exitValue);
self._fireNotification(INSTALL_FINISHED,
getLocalizedError("error-203"));
}
else {
self._fireNotification(INSTALL_FINISHED, null);
}
result.remove(false);
}
});
}
catch (e) {
Components.utils.reportError(e);
this._fireNotification(INSTALL_FINISHED, getLocalizedError("error-207"));
result.remove(false);
}
},
onProgress: function(aRequest, aContext, aProgress, aProgressMax)
{
gPluginInstaller.pluginInstallationProgressMeter(this._plugin.pid,
aProgress,
aProgressMax);
},
onStatus: function(aRequest, aContext, aStatus, aStatusArg)
{
/* pass */
}
};
var PluginInstallService = {
/**
* Start installation of installers and XPI plugins.
* @param aInstallerPlugins An array of objects which should have the
* properties "pid", "InstallerLocation",
* and "InstallerHash"
* @param aXPIPlugins An array of objects which should have the
* properties "pid", "XPILocation",
* and "XPIHash"
*/
startPluginInstallation: function (aInstallerPlugins,
aXPIPlugins)
{
this._xpiPlugins = aXPIPlugins;
this._xpisPending = aXPIPlugins.length;
aXPIPlugins.forEach(function(plugin) {
AddonManager.getInstallForURL(plugin.XPILocation, function(install) {
install.addListener(PluginInstallService);
install.install();
}, "application/x-xpinstall", plugin.XPIHash);
});
// InstallerObserver may finish immediately so we must initialise the
// installers after setting the number of installers and xpis pending
this._installersPending = aInstallerPlugins.length;
this._installerPlugins = [new InstallerObserver(plugin)
for each (plugin in aInstallerPlugins)];
},
_fireFinishedNotification: function()
{
if (this._installersPending == 0 && this._xpisPending == 0)
gPluginInstaller.pluginInstallationProgress(null, INSTALLS_COMPLETE, null);
},
getPidForInstall: function(install) {
for (let i = 0; i < this._xpiPlugins.length; i++) {
if (install.sourceURI.spec == this._xpiPlugins[i].XPILocation)
return this._xpiPlugins[i].pid;
}
return -1;
},
// InstallListener interface
onDownloadStarted: function(install) {
var pid = this.getPidForInstall(install);
gPluginInstaller.pluginInstallationProgress(pid, DOWNLOAD_STARTED, null);
},
onDownloadProgress: function(install) {
var pid = this.getPidForInstall(install);
gPluginInstaller.pluginInstallationProgressMeter(pid, install.progress,
install.maxProgress);
},
onDownloadEnded: function(install) {
var pid = this.getPidForInstall(install);
gPluginInstaller.pluginInstallationProgress(pid, DOWNLOAD_FINISHED, null);
},
onDownloadFailed: function(install) {
var pid = this.getPidForInstall(install);
switch (install.error) {
case AddonManager.ERROR_NETWORK_FAILURE:
var errorMsg = getLocalizedError("error-228");
break;
case AddonManager.ERROR_INCORRECT_HASH:
var errorMsg = getLocalizedError("error-261");
break;
case AddonManager.ERROR_CORRUPT_FILE:
var errorMsg = getLocalizedError("error-207");
break;
}
gPluginInstaller.pluginInstallationProgress(pid, INSTALL_FINISHED, errorMsg);
this._xpisPending--;
this._fireFinishedNotification();
},
onInstallStarted: function(install) {
var pid = this.getPidForInstall(install);
gPluginInstaller.pluginInstallationProgress(pid, INSTALL_STARTED, null);
},
onInstallEnded: function(install, addon) {
var pid = this.getPidForInstall(install);
gPluginInstaller.pluginInstallationProgress(pid, INSTALL_FINISHED, null);
this._xpisPending--;
this._fireFinishedNotification();
},
onInstallFailed: function(install) {
var pid = this.getPidForInstall(install);
gPluginInstaller.pluginInstallationProgress(pid, INSTALL_FINISHED,
getLocalizedError("error-203"));
this._xpisPending--;
this._fireFinishedNotification();
}
}