Bug 550936 - Make InstallTrigger support cross-process communication r=Mossop a=blocking-beta4+,blocking-fennec2.0a1+

This commit is contained in:
Alon Zakai 2010-08-16 16:41:46 -04:00
Родитель d93f2c7391
Коммит 167ca58a08
9 изменённых файлов: 429 добавлений и 473 удалений

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@ -149,7 +149,6 @@ COMPONENT_LIBS += \
nsappshell \
txmgr \
commandlines \
extensions \
toolkitcomps \
pipboot \
pipnss \

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@ -265,7 +265,6 @@
STORAGE_MODULE \
PLACES_MODULES \
XULENABLED_MODULES \
MODULE(AddonsModule) \
MODULE(nsToolkitCompsModule) \
XREMOTE_MODULES \
JSDEBUGGER_MODULES \

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@ -41,14 +41,8 @@ VPATH = @srcdir@
include $(DEPTH)/config/autoconf.mk
MODULE = extensions
LIBRARY_NAME = extensions
SHORT_LIBNAME = extnsion
IS_COMPONENT = 1
MODULE_NAME = AddonsModule
GRE_MODULE = 1
LIBXUL_LIBRARY = 1
EXPORT_LIBRARY = 1
MODULE = extensions
XPIDL_MODULE = extensions
XPIDLSRCS = \
amIInstallTrigger.idl \
@ -56,10 +50,6 @@ XPIDLSRCS = \
amIWebInstaller.idl \
$(NULL)
CPPSRCS = \
amInstallTrigger.cpp \
$(NULL)
EXTRA_PP_COMPONENTS = \
extensions.manifest \
nsBlocklistService.js \

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@ -3934,6 +3934,49 @@ var XPIDatabase = {
}
};
/**
* Handles callbacks for HTTP channels of XPI downloads. We support
* prompting for auth dialogs and, optionally, to ignore bad certs.
*
* @param aWindow
* An optional DOM Element related to the request
* @param aNeedBadCertHandling
* Whether we should handle bad certs or not
*/
function XPINotificationCallbacks(aWindow, aNeedBadCertHandling) {
this.window = aWindow;
// Verify that we don't end up on an insecure channel if we haven't got a
// hash to verify with (see bug 537761 for discussion)
this.needBadCertHandling = aNeedBadCertHandling;
if (this.needBadCertHandling) {
Components.utils.import("resource://gre/modules/CertUtils.jsm");
this.badCertHandler = new BadCertHandler();
}
}
XPINotificationCallbacks.prototype = {
QueryInterface: function(iid) {
if (iid.equals(Ci.nsISupports) || iid.equals(Ci.nsIInterfaceRequestor))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
getInterface: function(iid) {
if (iid.equals(Components.interfaces.nsIAuthPrompt2)) {
var factory = Cc["@mozilla.org/prompter;1"].
getService(Ci.nsIPromptFactory);
return factory.getPrompt(this.window, Ci.nsIAuthPrompt);
}
if (this.needBadCertHandling)
return this.badCertHandler.getInterface(iid);
throw Components.results.NS_ERROR_NO_INTERFACE;
},
};
/**
* Instantiates an AddonInstall and passes the new object to a callback when
* it is complete.
@ -4405,8 +4448,6 @@ AddonInstall.prototype = {
* Starts downloading the add-on's XPI file.
*/
startDownload: function AI_startDownload() {
Components.utils.import("resource://gre/modules/CertUtils.jsm");
this.state = AddonManager.STATE_DOWNLOADING;
if (!AddonManagerPrivate.callInstallListeners("onDownloadStarted",
this.listeners, this.wrapper)) {
@ -4464,13 +4505,10 @@ AddonInstall.prototype = {
listener.init(this, this.stream);
try {
this.channel = NetUtil.newChannel(this.sourceURI);
if (this.loadGroup)
this.channel.loadGroup = this.loadGroup;
// Verify that we don't end up on an insecure channel if we haven't got a
// hash to verify with (see bug 537761 for discussion)
if (!this.hash)
this.channel.notificationCallbacks = new BadCertHandler();
this.channel.notificationCallbacks =
new XPINotificationCallbacks(this.window, !this.hash);
this.channel.QueryInterface(Ci.nsIHttpChannelInternal)
.forceAllowThirdPartyCookie = true;
this.channel.asyncOpen(listener, null);
Services.obs.addObserver(this, "network:offline-about-to-go-offline", false);
@ -4506,11 +4544,6 @@ AddonInstall.prototype = {
* @see nsIStreamListener
*/
onStartRequest: function AI_onStartRequest(aRequest, aContext) {
// We must remove the request from the load group otherwise if the user
// closes the page that triggered it the download will be cancelled
if (this.loadGroup)
this.loadGroup.removeRequest(aRequest, null, Cr.NS_BINDING_RETARGETED);
this.progress = 0;
if (aRequest instanceof Ci.nsIChannel) {
try {

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@ -57,12 +57,27 @@ const DOWNLOAD_ERROR = -228;
const UNSUPPORTED_TYPE = -244;
const SUCCESS = 0;
const MSG_INSTALL_ENABLED = "WebInstallerIsInstallEnabled";
const MSG_INSTALL_ADDONS = "WebInstallerInstallAddonsFromWebpage";
const MSG_INSTALL_CALLBACK = "WebInstallerInstallCallback";
const CHILD_SCRIPT =
"chrome://mozapps/content/extensions/extensions-content.js";
Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
Components.utils.import("resource://gre/modules/Services.jsm");
var gSingleton = null;
function amManager() {
Components.utils.import("resource://gre/modules/AddonManager.jsm");
var messageManager = Cc["@mozilla.org/globalmessagemanager;1"].
getService(Ci.nsIChromeFrameMessageManager);
messageManager.addMessageListener(MSG_INSTALL_ENABLED, this);
messageManager.addMessageListener(MSG_INSTALL_ADDONS, this);
messageManager.loadFrameScript(CHILD_SCRIPT, true, true);
}
amManager.prototype = {
@ -167,6 +182,53 @@ amManager.prototype = {
AddonManagerPrivate.backgroundUpdateCheck();
},
/**
* messageManager callback function.
*
* Listens to requests from child processes for InstallTrigger
* activity, and sends back callbacks.
*/
receiveMessage: function(aMessage) {
var payload = aMessage.json;
var referer = Services.io.newURI(payload.referer, null, null);
switch (aMessage.name) {
case MSG_INSTALL_ENABLED:
return this.isInstallEnabled(payload.mimetype, referer);
case MSG_INSTALL_ADDONS:
var callback = null;
if (payload.callbackId != -1) {
callback = {
onInstallEnded: function ITP_callback(url, status) {
// Doing it this way, instead of aMessage.target.messageManager,
// ensures it works in Firefox and not only Fennec. See bug
// 578172. TODO: Clean up this code once that bug is fixed
var flo = aMessage.target.QueryInterface(Ci.nsIFrameLoaderOwner);
var returnMessageManager = flo.frameLoader.messageManager;
returnMessageManager.sendAsyncMessage(MSG_INSTALL_CALLBACK,
{ installerId: payload.installerId,
callbackId: payload.callbackId, url: url, status: status }
);
},
};
}
var window;
try {
// Normal approach for single-process mode
window = aMessage.target.docShell
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindow).content;
} catch (e) {
// Fallback for multiprocess (e10s) mode. Appears to work but has
// not had a full suite of automated tests run on it.
window = aMessage.target.ownerDocument.defaultView;
}
return this.installAddonsFromWebpage(payload.mimetype,
window, referer, payload.uris, payload.hashes, payload.names,
payload.icons, callback, payload.uris.length);
}
},
classID: Components.ID("{4399533d-08d1-458c-a87a-235f74451cfa}"),
_xpcom_factory: {
createInstance: function(aOuter, aIid) {

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@ -1,380 +0,0 @@
/* ***** 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 the Extension Manager.
*
* The Initial Developer of the Original Code is
* the Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Dave Townsend <dtownsend@oxymoronical.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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 ***** */
#include "amInstallTrigger.h"
#include "nsIClassInfoImpl.h"
#include "nsIComponentManager.h"
#include "nsICategoryManager.h"
#include "nsServiceManagerUtils.h"
#include "nsXPIDLString.h"
#include "nsIScriptNameSpaceManager.h"
#include "nsDOMJSUtils.h"
#include "nsIXPConnect.h"
#include "nsContentUtils.h"
#include "nsIDocument.h"
#include "nsIDOMDocument.h"
#include "nsNetUtil.h"
#include "nsIScriptSecurityManager.h"
#include "mozilla/ModuleUtils.h"
//
// Helper function for URI verification
//
static nsresult
CheckLoadURIFromScript(JSContext *aCx, const nsACString& aUriStr)
{
nsresult rv;
nsCOMPtr<nsIScriptSecurityManager> secman(do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv));
NS_ENSURE_SUCCESS(rv, rv);
// get the script principal
nsCOMPtr<nsIPrincipal> principal;
rv = secman->GetSubjectPrincipal(getter_AddRefs(principal));
NS_ENSURE_SUCCESS(rv, rv);
if (!principal)
return NS_ERROR_FAILURE;
// convert the requested URL string to a URI
// Note that we use a null base URI here, since that's what we use when we
// actually convert the string into a URI to load.
nsCOMPtr<nsIURI> uri;
rv = NS_NewURI(getter_AddRefs(uri), aUriStr);
NS_ENSURE_SUCCESS(rv, rv);
// are we allowed to load this one?
rv = secman->CheckLoadURIWithPrincipal(principal, uri,
nsIScriptSecurityManager::DISALLOW_INHERIT_PRINCIPAL);
return rv;
}
NS_IMPL_CLASSINFO(amInstallTrigger, NULL, nsIClassInfo::DOM_OBJECT,
AM_InstallTrigger_CID)
NS_IMPL_ISUPPORTS1_CI(amInstallTrigger, amIInstallTrigger)
amInstallTrigger::amInstallTrigger()
{
mManager = do_GetService("@mozilla.org/addons/integration;1");
}
amInstallTrigger::~amInstallTrigger()
{
}
JSContext*
amInstallTrigger::GetJSContext()
{
nsCOMPtr<nsIXPConnect> xpc = do_GetService(nsIXPConnect::GetCID());
// get the xpconnect native call context
nsAXPCNativeCallContext *cc = nsnull;
xpc->GetCurrentNativeCallContext(&cc);
if (!cc)
return nsnull;
// Get JSContext of current call
JSContext* cx;
nsresult rv = cc->GetJSContext(&cx);
if (NS_FAILED(rv))
return nsnull;
return cx;
}
already_AddRefed<nsIDOMWindowInternal>
amInstallTrigger::GetOriginatingWindow(JSContext* aCx)
{
nsIScriptGlobalObject *globalObject = nsnull;
nsIScriptContext *scriptContext = GetScriptContextFromJSContext(aCx);
if (!scriptContext)
return nsnull;
globalObject = scriptContext->GetGlobalObject();
if (!globalObject)
return nsnull;
nsCOMPtr<nsIDOMWindowInternal> window = do_QueryInterface(globalObject);
return window.forget();
}
already_AddRefed<nsIURI>
amInstallTrigger::GetOriginatingURI(nsIDOMWindowInternal* aWindow)
{
if (!aWindow)
return nsnull;
nsCOMPtr<nsIDOMDocument> domdoc;
aWindow->GetDocument(getter_AddRefs(domdoc));
nsCOMPtr<nsIDocument> doc(do_QueryInterface(domdoc));
nsIURI* uri = doc->GetDocumentURI();
NS_IF_ADDREF(uri);
return uri;
}
/* boolean updateEnabled (); */
NS_IMETHODIMP
amInstallTrigger::UpdateEnabled(PRBool *_retval NS_OUTPARAM)
{
return Enabled(_retval);
}
/* boolean enabled (); */
NS_IMETHODIMP
amInstallTrigger::Enabled(PRBool *_retval NS_OUTPARAM)
{
nsCOMPtr<nsIDOMWindowInternal> window = GetOriginatingWindow(GetJSContext());
nsCOMPtr<nsIURI> referer = GetOriginatingURI(window);
return mManager->IsInstallEnabled(NS_LITERAL_STRING("application/x-xpinstall"), referer, _retval);
}
/* boolean install (in nsIVariant args, [optional] in amIInstallCallback callback); */
NS_IMETHODIMP
amInstallTrigger::Install(nsIVariant *aArgs,
amIInstallCallback *aCallback,
PRBool *_retval NS_OUTPARAM)
{
JSContext *cx = GetJSContext();
nsCOMPtr<nsIDOMWindowInternal> window = GetOriginatingWindow(cx);
nsCOMPtr<nsIURI> referer = GetOriginatingURI(window);
jsval params;
nsresult rv = aArgs->GetAsJSVal(&params);
NS_ENSURE_SUCCESS(rv, rv);
if (!JSVAL_IS_OBJECT(params) || !JSVAL_TO_OBJECT(params))
return NS_ERROR_INVALID_ARG;
JSIdArray *ida = JS_Enumerate(cx, JSVAL_TO_OBJECT(params));
if (!ida)
return NS_ERROR_FAILURE;
PRUint32 count = ida->length;
nsTArray<const PRUnichar*> names;
nsTArray<const PRUnichar*> uris;
nsTArray<const PRUnichar*> icons;
nsTArray<const PRUnichar*> hashes;
jsval v;
for (PRUint32 i = 0; i < count; i++ ) {
JS_IdToValue(cx, ida->vector[i], &v);
JSString *str = JS_ValueToString(cx, v);
if (!str) {
JS_DestroyIdArray(cx, ida);
return NS_ERROR_FAILURE;
}
const PRUnichar* name = reinterpret_cast<const PRUnichar*>(JS_GetStringChars(str));
const PRUnichar* uri = nsnull;
const PRUnichar* icon = nsnull;
const PRUnichar* hash = nsnull;
JS_GetUCProperty(cx, JSVAL_TO_OBJECT(params), reinterpret_cast<const jschar*>(name), nsCRT::strlen(name), &v);
if (JSVAL_IS_OBJECT(v) && JSVAL_TO_OBJECT(v)) {
jsval v2;
if (JS_GetProperty(cx, JSVAL_TO_OBJECT(v), "URL", &v2) && !JSVAL_IS_VOID(v2)) {
JSString *str = JS_ValueToString(cx, v2);
if (!str) {
JS_DestroyIdArray(cx, ida);
return NS_ERROR_FAILURE;
}
uri = reinterpret_cast<const PRUnichar*>(JS_GetStringChars(str));
}
if (JS_GetProperty(cx, JSVAL_TO_OBJECT(v), "IconURL", &v2) && !JSVAL_IS_VOID(v2)) {
JSString *str = JS_ValueToString(cx, v2);
if (!str) {
JS_DestroyIdArray(cx, ida);
return NS_ERROR_FAILURE;
}
icon = reinterpret_cast<const PRUnichar*>(JS_GetStringChars(str));
}
if (JS_GetProperty(cx, JSVAL_TO_OBJECT(v), "Hash", &v2) && !JSVAL_IS_VOID(v2)) {
JSString *str = JS_ValueToString(cx, v2);
if (!str) {
JS_DestroyIdArray(cx, ida);
return NS_ERROR_FAILURE;
}
hash = reinterpret_cast<const PRUnichar*>(JS_GetStringChars(str));
}
}
else {
uri = reinterpret_cast<const PRUnichar*>(JS_GetStringChars(JS_ValueToString(cx, v)));
}
if (!uri) {
JS_DestroyIdArray(cx, ida);
return NS_ERROR_FAILURE;
}
nsCString tmpURI = NS_ConvertUTF16toUTF8(uri);
// Get relative URL to load
if (referer) {
rv = referer->Resolve(tmpURI, tmpURI);
if (NS_FAILED(rv)) {
JS_DestroyIdArray(cx, ida);
return rv;
}
}
rv = CheckLoadURIFromScript(cx, tmpURI);
if (NS_FAILED(rv)) {
JS_DestroyIdArray(cx, ida);
return rv;
}
uri = UTF8ToNewUnicode(tmpURI);
if (icon) {
nsCString tmpIcon = NS_ConvertUTF16toUTF8(icon);
if (referer) {
rv = referer->Resolve(tmpIcon, tmpIcon);
if (NS_FAILED(rv)) {
JS_DestroyIdArray(cx, ida);
return rv;
}
}
// If the page can't load the icon then just ignore it
rv = CheckLoadURIFromScript(cx, tmpIcon);
if (NS_FAILED(rv))
icon = nsnull;
else
icon = UTF8ToNewUnicode(tmpIcon);
}
names.AppendElement(name);
uris.AppendElement(uri);
icons.AppendElement(icon);
hashes.AppendElement(hash);
}
JS_DestroyIdArray(cx, ida);
rv = mManager->InstallAddonsFromWebpage(NS_LITERAL_STRING("application/x-xpinstall"),
window, referer, uris.Elements(),
hashes.Elements(), names.Elements(),
icons.Elements(), aCallback, count,
_retval);
for (PRUint32 i = 0; i < uris.Length(); i++) {
NS_Free(const_cast<PRUnichar*>(uris[i]));
if (icons[i])
NS_Free(const_cast<PRUnichar*>(icons[i]));
}
return rv;
}
/* boolean installChrome (in PRUint32 type, in AString url, in AString skin); */
NS_IMETHODIMP
amInstallTrigger::InstallChrome(PRUint32 aType,
const nsAString & aUrl,
const nsAString & aSkin,
PRBool *_retval NS_OUTPARAM)
{
return StartSoftwareUpdate(aUrl, 0, _retval);
}
/* boolean startSoftwareUpdate (in AString url, [optional] in PRInt32 flags); */
NS_IMETHODIMP
amInstallTrigger::StartSoftwareUpdate(const nsAString & aUrl,
PRInt32 aFlags,
PRBool *_retval NS_OUTPARAM)
{
nsresult rv;
JSContext *cx = GetJSContext();
nsCOMPtr<nsIDOMWindowInternal> window = GetOriginatingWindow(cx);
nsCOMPtr<nsIURI> referer = GetOriginatingURI(window);
nsTArray<const PRUnichar*> names;
nsTArray<const PRUnichar*> uris;
nsTArray<const PRUnichar*> icons;
nsTArray<const PRUnichar*> hashes;
nsCString tmpURI = NS_ConvertUTF16toUTF8(aUrl);
// Get relative URL to load
if (referer) {
rv = referer->Resolve(tmpURI, tmpURI);
NS_ENSURE_SUCCESS(rv, rv);
}
rv = CheckLoadURIFromScript(cx, tmpURI);
NS_ENSURE_SUCCESS(rv, rv);
names.AppendElement((PRUnichar*)nsnull);
uris.AppendElement(UTF8ToNewUnicode(tmpURI));
icons.AppendElement((PRUnichar*)nsnull);
hashes.AppendElement((PRUnichar*)nsnull);
rv = mManager->InstallAddonsFromWebpage(NS_LITERAL_STRING("application/x-xpinstall"),
window, referer, uris.Elements(),
hashes.Elements(), names.Elements(),
icons.Elements(), nsnull, 1, _retval);
NS_Free(const_cast<PRUnichar*>(uris[0]));
return rv;
}
NS_GENERIC_FACTORY_CONSTRUCTOR(amInstallTrigger)
NS_DEFINE_NAMED_CID(AM_InstallTrigger_CID);
static const mozilla::Module::CIDEntry kInstallTriggerCIDs[] = {
{ &kAM_InstallTrigger_CID, false, NULL, amInstallTriggerConstructor },
{ NULL }
};
static const mozilla::Module::ContractIDEntry kInstallTriggerContracts[] = {
{ AM_INSTALLTRIGGER_CONTRACTID, &kAM_InstallTrigger_CID },
{ NULL }
};
static const mozilla::Module::CategoryEntry kInstallTriggerCategories[] = {
{ JAVASCRIPT_GLOBAL_PROPERTY_CATEGORY, "InstallTrigger", AM_INSTALLTRIGGER_CONTRACTID },
{ NULL }
};
static const mozilla::Module kInstallTriggerModule = {
mozilla::Module::kVersion,
kInstallTriggerCIDs,
kInstallTriggerContracts,
kInstallTriggerCategories
};
NSMODULE_DEFN(AddonsModule) = &kInstallTriggerModule;

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@ -1,65 +0,0 @@
/* ***** 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 the Extension Manager.
*
* The Initial Developer of the Original Code is
* the Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Dave Townsend <dtownsend@oxymoronical.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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 ***** */
#include "jscntxt.h"
#include "amIInstallTrigger.h"
#include "nsIDOMWindowInternal.h"
#include "nsIURI.h"
#include "amIWebInstaller.h"
#include "nsCOMPtr.h"
#define AM_InstallTrigger_CID \
{0xfcfcdf1e, 0xe9ef, 0x4141, {0x90, 0xd8, 0xd5, 0xff, 0x84, 0xc1, 0x7c, 0xce}}
#define AM_INSTALLTRIGGER_CONTRACTID "@mozilla.org/addons/installtrigger;1"
class amInstallTrigger : public amIInstallTrigger
{
public:
NS_DECL_ISUPPORTS
NS_DECL_AMIINSTALLTRIGGER
amInstallTrigger();
private:
~amInstallTrigger();
JSContext* GetJSContext();
already_AddRefed<nsIDOMWindowInternal> GetOriginatingWindow(JSContext* aCx);
already_AddRefed<nsIURI> GetOriginatingURI(nsIDOMWindowInternal* aWindow);
nsCOMPtr<amIWebInstaller> mManager;
};

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@ -0,0 +1,317 @@
/*
# ***** 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 the Extension Manager.
#
# The Initial Developer of the Original Code is
# the Mozilla Foundation.
# Portions created by the Initial Developer are Copyright (C) 2010
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Alon Zakai <azakai@mozilla.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 *****
*/
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
const MSG_INSTALL_ENABLED = "WebInstallerIsInstallEnabled";
const MSG_INSTALL_ADDONS = "WebInstallerInstallAddonsFromWebpage";
const MSG_INSTALL_CALLBACK = "WebInstallerInstallCallback";
var gIoService = Components.classes["@mozilla.org/network/io-service;1"]
.getService(Components.interfaces.nsIIOService);
function InstallTrigger(installerId, window) {
this.installerId = installerId;
this.window = window;
}
InstallTrigger.prototype = {
__exposedProps__: {
SKIN: "r",
LOCALE: "r",
CONTENT: "r",
PACKAGE: "r",
enabled: "r",
updateEnabled: "r",
install: "r",
installChrome: "r",
startSoftwareUpdate: "r",
toSource: "r", // XXX workaround for bug 582100
},
// == Public interface ==
SKIN: Ci.amIInstallTrigger.SKIN,
LOCALE: Ci.amIInstallTrigger.LOCALE,
CONTENT: Ci.amIInstallTrigger.CONTENT,
PACKAGE: Ci.amIInstallTrigger.PACKAGE,
/**
* @see amIInstallTriggerInstaller.idl
*/
enabled: function() {
return sendSyncMessage(MSG_INSTALL_ENABLED, {
mimetype: "application/x-xpinstall", referer: this.window.location.href
})[0];
},
/**
* @see amIInstallTriggerInstaller.idl
*/
updateEnabled: function() {
return this.enabled();
},
/**
* @see amIInstallTriggerInstaller.idl
*/
install: function(aArgs, aCallback) {
var params = {
installerId: this.installerId,
mimetype: "application/x-xpinstall",
referer: this.window.location.href,
uris: [],
hashes: [],
names: [],
icons: [],
};
for (var name in aArgs) {
var item = aArgs[name];
if (typeof item === 'string') {
item = { URL: item };
} else if (!("URL" in item)) {
throw new Error("Missing URL property for '" + name + "'");
}
// Resolve and validate urls
var url = this.resolveURL(item.URL);
if (!this.checkLoadURIFromScript(url))
throw new Error("insufficient permissions to install: " + url);
var iconUrl = null;
if ("IconURL" in item) {
iconUrl = this.resolveURL(item.IconURL);
if (!this.checkLoadURIFromScript(iconUrl)) {
iconUrl = null; // If page can't load the icon, just ignore it
}
}
params.uris.push(url.spec);
params.hashes.push("Hash" in item ? item.Hash : null);
params.names.push(name);
params.icons.push(iconUrl ? iconUrl.spec : null);
}
// Add callback Id, done here, so only if we actually got here
params.callbackId = this.addCallback(aCallback, params.uris);
// Send message
return sendSyncMessage(MSG_INSTALL_ADDONS, params)[0];
},
/**
* @see amIInstallTriggerInstaller.idl
*/
startSoftwareUpdate: function(aUrl, aFlags) {
var url = gIoService.newURI(aUrl, null, null)
.QueryInterface(Ci.nsIURL).filename;
var object = {};
object[url] = { "URL": aUrl };
return this.install(object);
},
/**
* @see amIInstallTriggerInstaller.idl
*/
installChrome: function(aType, aUrl, aSkin) {
return this.startSoftwareUpdate(aUrl);
},
// == Internal, hidden machinery ==
callbacks: {},
/**
* Adds a callback to the list of callbacks we may receive messages
* about from the parent process. We save them here; only callback IDs
* are sent over IPC.
*
* @param callback
* The callback function
* @param urls
* The urls this callback function will receive responses for.
* After all the callbacks have arrived, we can forget about the
* callback.
*
* @return The callback ID, an integer identifying this callback.
*/
addCallback: function(aCallback, aUrls) {
if (!aCallback)
return -1;
var callbackId = 0;
while (callbackId in this.callbacks)
callbackId++;
this.callbacks[callbackId] = {
callback: aCallback,
urls: aUrls.slice(0), // Clone the urls for our own use (it lets
// us know when no further callbacks will
// occur)
};
return callbackId;
},
/**
* Resolves a URL in the context of our current window. We need to do
* this before sending URLs to the parent process.
*
* @param aUrl
* The url to resolve.
*
* @return A resolved, absolute nsURI object.
*/
resolveURL: function(aUrl) {
return gIoService.newURI(aUrl, null,
this.window.document.documentURIObject);
},
/**
* @see amInstallTrigger.cpp
* TODO: When e10s lands on m-c, consider removing amInstallTrigger.cpp
* See bug 571166
*/
checkLoadURIFromScript: function(aUri) {
var secman = Cc["@mozilla.org/scriptsecuritymanager;1"].
getService(Ci.nsIScriptSecurityManager);
var principal = this.window.content.document.nodePrincipal;
try {
secman.checkLoadURIWithPrincipal(principal, aUri,
Ci.nsIScriptSecurityManager.DISALLOW_INHERIT_PRINCIPAL);
return true;
}
catch(e) {
return false;
}
},
};
/**
* Child part of InstallTrigger e10s handling.
*
* Sets up InstallTriggers on newly-created windows,
* that will relay messages for InstallTrigger
* activity. We also process the parameters for
* the InstallTrigger to proper parameters for
* amIWebInstaller.
*/
function InstallTriggerManager() {
this.installerIds = [];
this.nextInstallerId = 0;
addMessageListener(MSG_INSTALL_CALLBACK, this);
addEventListener("DOMWindowCreated", this, false);
var self = this;
addEventListener("unload", function() {
// Clean up all references, to help gc work quickly
for (var installerId in self.installerIds) {
self.installerIds[installerId].callbacks = null;
self.installerIds[installerId] = null;
}
self.installerIds = null;
}, false);
}
InstallTriggerManager.prototype = {
handleEvent: function handleEvent(aEvent) {
var window = aEvent.originalTarget.defaultView.content;
// Need to make sure we are called on what we care about -
// content windows. DOMWindowCreated is called on *all* HTMLDocuments,
// some of which belong to ChromeWindows or lack defaultView.content
// altogether.
//
// Note about the syntax used here: |"wrappedJSObject" in window|
// will silently fail, without even letting us catch it as an
// exception, and checking in the way that we do check in some
// cases still throws an exception; see bug 582108 about both.
try {
if (!window || !window.wrappedJSObject) {
return;
}
}
catch(e) {
return;
}
// This event happens for each HTMLDocument, so it can happen more than
// once per Window. We only need to work once per Window though.
if (window.wrappedJSObject.InstallTrigger)
return;
// Create the public object which web scripts can see
var installerId = this.nextInstallerId ++;
var installTrigger = new InstallTrigger(installerId, window);
this.installerIds[installerId] = installTrigger;
window.wrappedJSObject.InstallTrigger = installTrigger;
},
/**
* Receives a message about a callback. Performs the actual callback
* (for the callback with the ID we are given). When
* all URLs are exhausted, can free the callbackId and linked stuff.
*
* @param message
* The IPC message. Contains IDs of the installer and the
* callback.
*
*/
receiveMessage: function(aMessage) {
var payload = aMessage.json;
var installer = this.installerIds[payload.installerId];
var callbackId = payload.callbackId;
var url = payload.url;
var status = payload.status;
var callbackObj = installer.callbacks[callbackId];
if (!callbackObj)
return;
try {
callbackObj.callback(url, status);
}
catch (e) {
dump("InstallTrigger callback threw an exception: " + e + "\n");
}
callbackObj.urls.splice(callbackObj.urls.indexOf(url), 1);
if (callbackObj.urls.length == 0)
installer.callbacks[callbackId] = null;
},
};
new InstallTriggerManager();

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@ -5,6 +5,7 @@ toolkit.jar:
content/mozapps/extensions/extensions.js (content/extensions.js)
content/mozapps/extensions/extensions.xml (content/extensions.xml)
content/mozapps/extensions/updateinfo.xsl (content/updateinfo.xsl)
content/mozapps/extensions/extensions-content.js (content/extensions-content.js)
* content/mozapps/extensions/about.xul (content/about.xul)
* content/mozapps/extensions/about.js (content/about.js)
* content/mozapps/extensions/list.xul (content/list.xul)