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uriloader/exthandler/nsDBusHandlerApp.cpp@97036ab72558 (annotated)

uriloader/exthandler/nsDBusHandlerApp.cpp

Tue, 06 Jan 2015 21:39:09 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Tue, 06 Jan 2015 21:39:09 +0100

branch

TOR_BUG_9701

changeset 8

97036ab72558

permissions

-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0	2	* vim:expandtab:shiftwidth=2:tabstop=2:cin:
michael@0	3	* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	5	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	#include <dbus/dbus.h>
michael@0	8	#include "nsDBusHandlerApp.h"
michael@0	9	#include "nsIURI.h"
michael@0	10	#include "nsIClassInfoImpl.h"
michael@0	11	#include "nsCOMPtr.h"
michael@0	12	#include "nsCExternalHandlerService.h"
michael@0	13
michael@0	14	// XXX why does nsMIMEInfoImpl have a threadsafe nsISupports? do we need one
michael@0	15	// here too?
michael@0	16	NS_IMPL_CLASSINFO(nsDBusHandlerApp, nullptr, 0, NS_DBUSHANDLERAPP_CID)
michael@0	17	NS_IMPL_ISUPPORTS_CI(nsDBusHandlerApp, nsIDBusHandlerApp, nsIHandlerApp)
michael@0	18
michael@0	19	////////////////////////////////////////////////////////////////////////////////
michael@0	20	//// nsIHandlerApp
michael@0	21
michael@0	22	NS_IMETHODIMP nsDBusHandlerApp::GetName(nsAString& aName)
michael@0	23	{
michael@0	24	aName.Assign(mName);
michael@0	25	return NS_OK;
michael@0	26	}
michael@0	27
michael@0	28	NS_IMETHODIMP nsDBusHandlerApp::SetName(const nsAString & aName)
michael@0	29	{
michael@0	30	mName.Assign(aName);
michael@0	31	return NS_OK;
michael@0	32	}
michael@0	33
michael@0	34	NS_IMETHODIMP nsDBusHandlerApp::SetDetailedDescription(const nsAString & aDescription)
michael@0	35	{
michael@0	36	mDetailedDescription.Assign(aDescription);
michael@0	37
michael@0	38	return NS_OK;
michael@0	39	}
michael@0	40
michael@0	41	NS_IMETHODIMP nsDBusHandlerApp::GetDetailedDescription(nsAString& aDescription)
michael@0	42	{
michael@0	43	aDescription.Assign(mDetailedDescription);
michael@0	44
michael@0	45	return NS_OK;
michael@0	46	}
michael@0	47
michael@0	48	NS_IMETHODIMP
michael@0	49	nsDBusHandlerApp::Equals(nsIHandlerApp *aHandlerApp, bool *_retval)
michael@0	50	{
michael@0	51	NS_ENSURE_ARG_POINTER(aHandlerApp);
michael@0	52
michael@0	53	// If the handler app isn't a dbus handler app, then it's not the same app.
michael@0	54	nsCOMPtr<nsIDBusHandlerApp> dbusHandlerApp = do_QueryInterface(aHandlerApp);
michael@0	55	if (!dbusHandlerApp) {
michael@0	56	*_retval = false;
michael@0	57	return NS_OK;
michael@0	58	}
michael@0	59	nsAutoCString service;
michael@0	60	nsAutoCString method;
michael@0	61
michael@0	62	nsresult rv = dbusHandlerApp->GetService(service);
michael@0	63	if (NS_FAILED(rv)) {
michael@0	64	*_retval = false;
michael@0	65	return NS_OK;
michael@0	66	}
michael@0	67	rv = dbusHandlerApp->GetMethod(method);
michael@0	68	if (NS_FAILED(rv)) {
michael@0	69	*_retval = false;
michael@0	70	return NS_OK;
michael@0	71	}
michael@0	72
michael@0	73	*_retval = service.Equals(mService) && method.Equals(mMethod);
michael@0	74	return NS_OK;
michael@0	75	}
michael@0	76
michael@0	77	NS_IMETHODIMP
michael@0	78	nsDBusHandlerApp::LaunchWithURI(nsIURI *aURI,
michael@0	79	nsIInterfaceRequestor *aWindowContext)
michael@0	80	{
michael@0	81	nsAutoCString spec;
michael@0	82	nsresult rv = aURI->GetAsciiSpec(spec);
michael@0	83	NS_ENSURE_SUCCESS(rv,rv);
michael@0	84	const char* uri = spec.get();
michael@0	85
michael@0	86	DBusError err;
michael@0	87	dbus_error_init(&err);
michael@0	88
michael@0	89	DBusConnection *connection;
michael@0	90	connection = dbus_bus_get(DBUS_BUS_SESSION, &err);
michael@0	91	if (dbus_error_is_set(&err)) {
michael@0	92	dbus_error_free(&err);
michael@0	93	return NS_ERROR_FAILURE;
michael@0	94	}
michael@0	95	if (nullptr == connection) {
michael@0	96	return NS_ERROR_FAILURE;
michael@0	97	}
michael@0	98	dbus_connection_set_exit_on_disconnect(connection,false);
michael@0	99
michael@0	100	DBusMessage* msg;
michael@0	101	msg = dbus_message_new_method_call(mService.get(),
michael@0	102	mObjpath.get(),
michael@0	103	mInterface.get(),
michael@0	104	mMethod.get());
michael@0	105
michael@0	106	if (!msg) {
michael@0	107	return NS_ERROR_FAILURE;
michael@0	108	}
michael@0	109	dbus_message_set_no_reply(msg, true);
michael@0	110
michael@0	111	DBusMessageIter iter;
michael@0	112	dbus_message_iter_init_append(msg, &iter);
michael@0	113	dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &uri);
michael@0	114
michael@0	115	if (dbus_connection_send(connection, msg, nullptr)) {
michael@0	116	dbus_connection_flush(connection);
michael@0	117	dbus_message_unref(msg);
michael@0	118	} else {
michael@0	119	dbus_message_unref(msg);
michael@0	120	return NS_ERROR_FAILURE;
michael@0	121	}
michael@0	122	return NS_OK;
michael@0	123
michael@0	124	}
michael@0	125
michael@0	126	////////////////////////////////////////////////////////////////////////////////
michael@0	127	//// nsIDBusHandlerApp
michael@0	128
michael@0	129	/* attribute AUTF8String service; */
michael@0	130	NS_IMETHODIMP nsDBusHandlerApp::GetService(nsACString & aService)
michael@0	131	{
michael@0	132	aService.Assign(mService);
michael@0	133	return NS_OK;
michael@0	134	}
michael@0	135
michael@0	136	NS_IMETHODIMP nsDBusHandlerApp::SetService(const nsACString & aService)
michael@0	137	{
michael@0	138	mService.Assign(aService);
michael@0	139	return NS_OK;
michael@0	140	}
michael@0	141
michael@0	142	/* attribute AUTF8String method; */
michael@0	143	NS_IMETHODIMP nsDBusHandlerApp::GetMethod(nsACString & aMethod)
michael@0	144	{
michael@0	145	aMethod.Assign(mMethod);
michael@0	146	return NS_OK;
michael@0	147	}
michael@0	148
michael@0	149	NS_IMETHODIMP nsDBusHandlerApp::SetMethod(const nsACString & aMethod)
michael@0	150	{
michael@0	151	mMethod.Assign(aMethod);
michael@0	152	return NS_OK;
michael@0	153	}
michael@0	154
michael@0	155	/* attribute AUTF8String interface; */
michael@0	156	NS_IMETHODIMP nsDBusHandlerApp::GetDBusInterface(nsACString & aInterface)
michael@0	157	{
michael@0	158	aInterface.Assign(mInterface);
michael@0	159	return NS_OK;
michael@0	160	}
michael@0	161
michael@0	162	NS_IMETHODIMP nsDBusHandlerApp::SetDBusInterface(const nsACString & aInterface)
michael@0	163	{
michael@0	164	mInterface.Assign(aInterface);
michael@0	165	return NS_OK;
michael@0	166	}
michael@0	167
michael@0	168	/* attribute AUTF8String objpath; */
michael@0	169	NS_IMETHODIMP nsDBusHandlerApp::GetObjectPath(nsACString & aObjpath)
michael@0	170	{
michael@0	171	aObjpath.Assign(mObjpath);
michael@0	172	return NS_OK;
michael@0	173	}
michael@0	174
michael@0	175	NS_IMETHODIMP nsDBusHandlerApp::SetObjectPath(const nsACString & aObjpath)
michael@0	176	{
michael@0	177	mObjpath.Assign(aObjpath);
michael@0	178	return NS_OK;
michael@0	179	}
michael@0	180
michael@0	181