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Bug 1046245 - enumerateDevices w/non-blocking e10s, nsICryptoHMAC, clear cookies, lambdas. r=keeler, florian, billm, jesup

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This commit is contained in:
Jan-Ivar Bruaroey 2015-03-03 09:51:05 -05:00
parent b85f19dba3
commit ab8a60ff50
20 changed files with 1007 additions and 372 deletions
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5
browser/base/content/sanitize.js
View File

@ -199,6 +199,11 @@ Sanitizer.prototype = {
cookieMgr.removeAll();
}
// Clear deviceIds. Done asynchronously (returns before complete).
let mediaMgr = Components.classes["@mozilla.org/mediaManagerService;1"]
.getService(Ci.nsIMediaManagerService);
mediaMgr.sanitizeDeviceIds(this.range && this.range[0]);
// Clear plugin data.
const phInterface = Ci.nsIPluginHost;
const FLAG_CLEAR_ALL = phInterface.FLAG_CLEAR_ALL;

450
dom/media/MediaManager.cpp
View File

@ -26,6 +26,9 @@
#include "nsIIDNService.h"
#include "nsNetUtil.h"
#include "nsPrincipal.h"
#include "nsICryptoHash.h"
#include "nsICryptoHMAC.h"
#include "nsIKeyModule.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsIInputStream.h"
#include "nsILineInputStream.h"
@ -37,8 +40,10 @@
#include "mozilla/dom/MediaStreamTrackBinding.h"
#include "mozilla/dom/GetUserMediaRequestBinding.h"
#include "mozilla/Preferences.h"
#include "mozilla/Base64.h"
#include "mozilla/media/MediaChild.h"
#include "MediaTrackConstraints.h"
#include "VideoUtils.h"
#include "Latency.h"
// For PR_snprintf
@ -326,6 +331,50 @@ public:
mOnFailure.swap(aOnFailure);
}
nsresult
AnonymizeId(nsAString& aId, const nsACString& aOriginKey)
{
nsresult rv;
nsCOMPtr<nsIKeyObjectFactory> factory =
do_GetService("@mozilla.org/security/keyobjectfactory;1", &rv);
if (NS_FAILED(rv)) {
return rv;
}
nsCString rawKey;
rv = Base64Decode(aOriginKey, rawKey);
if (NS_FAILED(rv)) {
return rv;
}
nsCOMPtr<nsIKeyObject> key;
rv = factory->KeyFromString(nsIKeyObject::HMAC, rawKey, getter_AddRefs(key));
if (NS_FAILED(rv)) {
return rv;
}
nsCOMPtr<nsICryptoHMAC> hasher =
do_CreateInstance(NS_CRYPTO_HMAC_CONTRACTID, &rv);
if (NS_FAILED(rv)) {
return rv;
}
rv = hasher->Init(nsICryptoHMAC::SHA256, key);
if (NS_FAILED(rv)) {
return rv;
}
NS_ConvertUTF16toUTF8 id(aId);
rv = hasher->Update(reinterpret_cast<const uint8_t*> (id.get()), id.Length());
if (NS_FAILED(rv)) {
return rv;
}
nsCString mac;
rv = hasher->Finish(true, mac);
if (NS_FAILED(rv)) {
return rv;
}
aId = NS_ConvertUTF8toUTF16(mac);
return NS_OK;
}
NS_IMETHOD
Run()
{
@ -339,7 +388,7 @@ public:
nsCOMPtr<nsIWritableVariant> devices =
do_CreateInstance("@mozilla.org/variant;1");
int32_t len = mDevices->Length();
size_t len = mDevices->Length();
if (len == 0) {
// XXX
// We should in the future return an empty array, and dynamically add
@ -355,8 +404,14 @@ public:
}
nsTArray<nsIMediaDevice*> tmp(len);
for (int32_t i = 0; i < len; i++) {
tmp.AppendElement(mDevices->ElementAt(i));
for (auto& device : *mDevices) {
if (!mOriginKey.IsEmpty()) {
nsString id;
device->GetId(id);
AnonymizeId(id, mOriginKey);
device->SetId(id);
}
tmp.AppendElement(device);
}
devices->SetAsArray(nsIDataType::VTYPE_INTERFACE,
@ -370,6 +425,7 @@ public:
return NS_OK;
}
nsCString mOriginKey;
private:
nsCOMPtr<nsIGetUserMediaDevicesSuccessCallback> mOnSuccess;
nsCOMPtr<nsIDOMGetUserMediaErrorCallback> mOnFailure;
@ -1158,7 +1214,7 @@ public:
void
Run()
{
NS_ASSERTION(!NS_IsMainThread(), "Don't call on main thread");
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(mOnSuccess);
MOZ_ASSERT(mOnFailure);
@ -1362,13 +1418,22 @@ private:
};
#endif
// A file in the profile dir is used to persist mOriginUuids used to anonymize
// deviceIds to be unique per origin, to avoid them being supercookies.
class SanitizeDeviceIdsTask : public Task
{
public:
explicit SanitizeDeviceIdsTask(int64_t aSinceWhen)
: mSinceWhen(aSinceWhen) {}
#define ORIGINUUIDS_FILE "enumerate_devices.txt"
#define ORIGINUUIDS_VERSION "1"
#define HMAC_LENGTH 20
void // NS_IMETHOD
Run()
{
MOZ_ASSERT(!NS_IsMainThread());
nsRefPtr<media::ChildPledge<bool>> p =
mozilla::media::SanitizeOriginKeys(mSinceWhen); // we fire and forget
}
private:
int64_t mSinceWhen;
};
/**
* Similar to GetUserMediaTask, but used for the chrome-only
@ -1380,291 +1445,6 @@ private:
*/
class GetUserMediaDevicesTask : public Task
{
class OriginUuidsLoader
{
static unsigned char*
unconst_uchar_cast(const char *s) {
return reinterpret_cast<unsigned char*>(const_cast<char*>(s));
}
// Cribbed from nricectx.cpp
static nsresult
hmac_sha1(const char *key, int keyl, const char *buf, int bufl,
unsigned char *result)
{
const CK_MECHANISM_TYPE mech = CKM_SHA_1_HMAC;
PK11SlotInfo *slot = 0;
MOZ_ASSERT(keyl > 0);
SECItem keyi = { siBuffer, unconst_uchar_cast(key),
static_cast<unsigned int>(keyl) };
PK11SymKey *skey = 0;
PK11Context *hmac_ctx = 0;
SECStatus status;
unsigned int hmac_len;
SECItem param = { siBuffer, nullptr, 0 };
nsresult rv = NS_ERROR_UNEXPECTED;
slot = PK11_GetInternalKeySlot();
if (!slot) {
goto abort;
}
skey = PK11_ImportSymKey(slot, mech, PK11_OriginUnwrap, CKA_SIGN, &keyi,
nullptr);
if (!skey) {
goto abort;
}
hmac_ctx = PK11_CreateContextBySymKey(mech, CKA_SIGN, skey, &param);
if (!hmac_ctx) {
goto abort;
}
status = PK11_DigestBegin(hmac_ctx);
if (status != SECSuccess) {
goto abort;
}
status = PK11_DigestOp(hmac_ctx, unconst_uchar_cast(buf), bufl);
if (status != SECSuccess) {
goto abort;
}
status = PK11_DigestFinal(hmac_ctx, result, &hmac_len, HMAC_LENGTH);
if (status != SECSuccess) {
goto abort;
}
MOZ_ASSERT(hmac_len == HMAC_LENGTH);
rv = NS_OK;
abort:
if (hmac_ctx) {
PK11_DestroyContext(hmac_ctx, PR_TRUE);
}
if (skey) {
PK11_FreeSymKey(skey);
}
if (slot) {
PK11_FreeSlot(slot);
}
return rv;
}
public:
OriginUuidsLoader()
: mUnsaved(false), mManager(MediaManager::GetInstance()) {}
nsresult
AnonymizeId(nsAString& aId, const nsACString& origin, bool aInPrivateBrowsing)
{
// The persistent deviceId would be a supercookie if we returned it. See
// http://w3c.github.io/mediacapture-main/getusermedia.html#attributes-8
//
// 1. Get (or create) a persistent uuid for this origin.
// 2. Return hmac_sha1(uuid, id) - an anonymized id unique to origin.
static bool loaded = false;
if (!loaded) {
Load();
loaded = true;
}
OriginUuid* originUuid;
if (!mManager->mOriginUuids.Get(origin, &originUuid)) {
nsresult rv;
nsCOMPtr<nsIUUIDGenerator> uuidgen =
do_GetService("@mozilla.org/uuid-generator;1", &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsID nsid;
rv = uuidgen->GenerateUUIDInPlace(&nsid);
NS_ENSURE_SUCCESS(rv, rv);
char uuid[NSID_LENGTH];
nsid.ToProvidedString(uuid);
originUuid = new OriginUuid(uuid, aInPrivateBrowsing);
mManager->mOriginUuids.Put(origin, originUuid);
mUnsaved = true;
}
unsigned char mac[HMAC_LENGTH];
NS_ConvertUTF16toUTF8 id(aId);
hmac_sha1(originUuid->mUuid.get(), originUuid->mUuid.Length(),
id.get(), id.Length(), mac);
char hex[sizeof(mac) * 2 + 1];
auto& m = mac;
PR_snprintf(hex, sizeof(hex), // Use first 16 bytes of hmac as id
"%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x"
"%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x",
m[0], m[1], m[2], m[3], m[4], m[5], m[6], m[7],
m[8], m[9], m[10],m[11], m[12], m[13], m[14], m[15]);
aId = NS_ConvertUTF8toUTF16(hex);
return NS_OK;
}
already_AddRefed<nsIFile>
GetFile()
{
MOZ_ASSERT(mManager->mProfileDir);
nsCOMPtr<nsIFile> file;
nsresult rv = mManager->mProfileDir->Clone(getter_AddRefs(file));
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
file->Append(NS_LITERAL_STRING(ORIGINUUIDS_FILE));
return file.forget();
}
// Format of file is (first line is version #):
//
// 1
// {54b1d3ad-18ad-0546-a551-80c1bf425057} http://fiddle.jshell.net
// {f9c2a045-53b4-0546-bdd0-b96f41850f8a} http://mozilla.github.io
// etc.
nsresult Read()
{
nsCOMPtr<nsIFile> file = GetFile();
if (NS_WARN_IF(!file)) {
return NS_ERROR_UNEXPECTED;
}
bool exists;
nsresult rv = file->Exists(&exists);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (!exists) {
return NS_OK;
}
nsCOMPtr<nsIInputStream> stream;
rv = NS_NewLocalFileInputStream(getter_AddRefs(stream), file);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsCOMPtr<nsILineInputStream> i = do_QueryInterface(stream);
MOZ_ASSERT(i);
nsCString line;
bool hasMoreLines;
rv = i->ReadLine(line, &hasMoreLines);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (!line.EqualsLiteral(ORIGINUUIDS_VERSION)) {
return NS_ERROR_FAILURE;
}
while (hasMoreLines) {
rv = i->ReadLine(line, &hasMoreLines); \
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
int32_t f = line.FindChar(' ');
// Ignore any line that has no space, per format in the comment above.
if (f >= 0) {
const nsACString& uuid = Substring(line, 0, f);
const nsACString& origin = Substring(line, f+1);
mManager->mOriginUuids.Put(origin, new OriginUuid(uuid, false));
}
}
return NS_OK;
}
static PLDHashOperator
HashWriter(const nsACString& aOrigin, OriginUuid* aOriginUuid, void *aUserArg)
{
auto* stream = static_cast<nsIOutputStream *>(aUserArg);
if (!aOriginUuid->mPrivateBrowsing) {
nsCString buffer;
buffer.Append(aOriginUuid->mUuid);
buffer.Append(' ');
buffer.Append(aOrigin);
buffer.Append('\n');
uint32_t count;
nsresult rv = stream->Write(buffer.Data(), buffer.Length(), &count);
if (NS_WARN_IF(NS_FAILED(rv)) || count != buffer.Length()) {
return PL_DHASH_STOP;
}
}
return PL_DHASH_NEXT;
}
nsresult
Write()
{
nsCOMPtr<nsIFile> file = GetFile();
if (NS_WARN_IF(!file)) {
return NS_ERROR_UNEXPECTED;
}
nsCOMPtr<nsIOutputStream> stream;
nsresult rv = NS_NewSafeLocalFileOutputStream(getter_AddRefs(stream), file);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsAutoCString buffer;
buffer.AppendLiteral(ORIGINUUIDS_VERSION);
buffer.Append('\n');
uint32_t count;
rv = stream->Write(buffer.Data(), buffer.Length(), &count);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (count != buffer.Length()) {
return NS_ERROR_UNEXPECTED;
}
mManager->mOriginUuids.EnumerateRead(HashWriter, stream.get());
nsCOMPtr<nsISafeOutputStream> safeStream = do_QueryInterface(stream);
MOZ_ASSERT(safeStream);
rv = safeStream->Finish();
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
nsresult Load()
{
nsresult rv = Read();
if (NS_WARN_IF(NS_FAILED(rv))) {
Delete();
}
return rv;
}
nsresult Save()
{
nsresult rv = Write();
if (NS_FAILED(rv)) {
NS_WARNING("Failed to write data for EnumerateDevices id-persistence.");
Delete();
}
return rv;
}
nsresult Delete()
{
nsCOMPtr<nsIFile> file = GetFile();
if (NS_WARN_IF(!file)) {
return NS_ERROR_UNEXPECTED;
}
nsresult rv = file->Remove(false);
if (rv == NS_ERROR_FILE_NOT_FOUND) {
return NS_OK;
}
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
bool mUnsaved;
private:
nsRefPtr<MediaManager> mManager;
};
public:
GetUserMediaDevicesTask(
const MediaStreamConstraints& aConstraints,
@ -1688,7 +1468,7 @@ public:
void // NS_IMETHOD
Run()
{
NS_ASSERTION(!NS_IsMainThread(), "Don't call on main thread");
MOZ_ASSERT(!NS_IsMainThread());
nsRefPtr<MediaEngine> backend;
if (mConstraints.mFake || mUseFakeDevices)
@ -1717,39 +1497,26 @@ public:
result->AppendElement(source);
}
}
nsresult rv = NS_OK;
if (!mPrivileged) {
OriginUuidsLoader loader;
for (auto& source : *result) {
nsString id;
source->GetId(id);
rv = loader.AnonymizeId(id, mOrigin, mInPrivateBrowsing);
if (NS_FAILED(rv)) {
break;
}
source->SetId(id);
}
if (loader.mUnsaved) {
loader.Save();
}
}
if (NS_SUCCEEDED(rv)) {
NS_DispatchToMainThread(new DeviceSuccessCallbackRunnable(mWindowId,
mOnSuccess,
mOnFailure,
result.forget()));
nsRefPtr<DeviceSuccessCallbackRunnable> runnable
(new DeviceSuccessCallbackRunnable(mWindowId, mOnSuccess, mOnFailure,
result.forget()));
if (mPrivileged) {
NS_DispatchToMainThread(runnable);
} else {
nsRefPtr<MediaMgrError> error = new
MediaMgrError(NS_LITERAL_STRING("InternalError"),
NS_LITERAL_STRING("Unexpected error"));
NS_DispatchToMainThread(
new ErrorCallbackRunnable<nsIGetUserMediaDevicesSuccessCallback>(mOnSuccess,
mOnFailure,
*error,
mWindowId));
// Get persistent origin-unique uuid to anonymize deviceIds back on main.
//
// GetOriginKey is an async API that returns a pledge (as promise-like
// pattern). We use .Then() to pass in a lambda to run back on this
// thread once GetOriginKey resolves asynchronously . The "runnable"
// nsRefPtr is "captured" (passed by value) into the lambda.
nsRefPtr<media::ChildPledge<nsCString>> p =
media::GetOriginKey(mOrigin, mInPrivateBrowsing);
p->Then([runnable](nsCString result) mutable {
runnable->mOriginKey = result;
NS_DispatchToMainThread(runnable);
}, [](nsresult rv){});
}
// DeviceSuccessCallbackRunnable should have taken these.
// One of the Runnables have taken these.
MOZ_ASSERT(!mOnSuccess && !mOnFailure);
}
@ -1796,6 +1563,16 @@ NS_IMPL_ISUPPORTS(MediaManager, nsIMediaManagerService, nsIObserver)
/* static */ StaticRefPtr<MediaManager> MediaManager::sSingleton;
#ifdef DEBUG
/* static */ bool
MediaManager::IsInMediaThread()
{
return sSingleton?
(sSingleton->mMediaThread->thread_id() == PlatformThread::CurrentId()) :
false;
}
#endif
// NOTE: never Dispatch(....,NS_DISPATCH_SYNC) to the MediaManager
// thread from the MainThread, as we NS_DISPATCH_SYNC to MainThread
// from MediaManager thread.
@ -2223,12 +2000,6 @@ MediaManager::EnumerateDevices(nsPIDOMWindow* aWindow,
{
NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
if (!mProfileDir) {
nsresult rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
getter_AddRefs(mProfileDir));
NS_ENSURE_SUCCESS(rv, rv);
}
MediaStreamConstraints c;
c.mVideo.SetAsBoolean() = true;
c.mAudio.SetAsBoolean() = true;
@ -2684,6 +2455,17 @@ MediaManager::MediaCaptureWindowState(nsIDOMWindow* aWindow, bool* aVideo,
return NS_OK;
}
NS_IMETHODIMP
MediaManager::SanitizeDeviceIds(int64_t aSinceWhen)
{
NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
LOG(("%s: sinceWhen = %llu", __FUNCTION__, aSinceWhen));
MediaManager::GetMessageLoop()->PostTask(FROM_HERE,
new SanitizeDeviceIdsTask(aSinceWhen));
return NS_OK;
}
static void
StopScreensharingCallback(MediaManager *aThis,
uint64_t aWindowID,

25
dom/media/MediaManager.h
View File

@ -458,20 +458,6 @@ private:
nsCOMPtr<nsIDOMGetUserMediaErrorCallback> mOnFailure;
};
class OriginUuid
{
public:
OriginUuid(char *aUuid, bool aPrivateBrowsing)
: mPrivateBrowsing(aPrivateBrowsing) {
mUuid.Append(aUuid);
}
OriginUuid(const nsACString& aUuid, bool aPrivateBrowsing)
: mUuid(aUuid), mPrivateBrowsing(aPrivateBrowsing) {}
nsCString mUuid;
bool mPrivateBrowsing;
};
typedef nsTArray<nsRefPtr<GetUserMediaCallbackMediaStreamListener> > StreamListeners;
typedef nsClassHashtable<nsUint64HashKey, StreamListeners> WindowTable;
@ -523,13 +509,9 @@ typedef void (*WindowListenerCallback)(MediaManager *aThis,
StreamListeners *aListeners,
void *aData);
class GetUserMediaDevicesTask;
class MediaManager final : public nsIMediaManagerService,
public nsIObserver
{
friend GetUserMediaDevicesTask;
public:
static already_AddRefed<MediaManager> GetInstance();
@ -539,6 +521,9 @@ public:
static MediaManager* Get();
static MediaManager* GetIfExists();
static MessageLoop* GetMessageLoop();
#ifdef DEBUG
static bool IsInMediaThread();
#endif
static bool Exists()
{
@ -616,10 +601,6 @@ private:
void StopMediaStreams();
// ONLY access from MediaManagerThread so we don't need to lock
nsClassHashtable<nsCStringHashKey, OriginUuid> mOriginUuids;
nsCOMPtr<nsIFile> mProfileDir;
// ONLY access from MainThread so we don't need to lock
WindowTable mActiveWindows;
nsClassHashtable<nsStringHashKey, GetUserMediaTask> mActiveCallbacks;

23
dom/media/VideoUtils.cpp
View File

@ -261,18 +261,16 @@ ExtractH264CodecDetails(const nsAString& aCodec,
}
nsresult
GenerateRandomPathName(nsCString& aOutSalt, uint32_t aLength)
GenerateRandomName(nsCString& aOutSalt, uint32_t aLength)
{
nsresult rv;
nsCOMPtr<nsIRandomGenerator> rg =
do_GetService("@mozilla.org/security/random-generator;1", &rv);
if (NS_FAILED(rv)) return rv;
// For each three bytes of random data we will get four bytes of
// ASCII. Request a bit more to be safe and truncate to the length
// we want at the end.
// For each three bytes of random data we will get four bytes of ASCII.
const uint32_t requiredBytesLength =
static_cast<uint32_t>((aLength + 1) / 4 * 3);
static_cast<uint32_t>((aLength + 3) / 4 * 3);
uint8_t* buffer;
rv = rg->GenerateRandomBytes(requiredBytesLength, &buffer);
@ -286,14 +284,19 @@ GenerateRandomPathName(nsCString& aOutSalt, uint32_t aLength)
buffer = nullptr;
if (NS_FAILED (rv)) return rv;
temp.Truncate(aLength);
aOutSalt = temp;
return NS_OK;
}
nsresult
GenerateRandomPathName(nsCString& aOutSalt, uint32_t aLength)
{
nsresult rv = GenerateRandomName(aOutSalt, aLength);
if (NS_FAILED(rv)) return rv;
// Base64 characters are alphanumeric (a-zA-Z0-9) and '+' and '/', so we need
// to replace illegal characters -- notably '/'
temp.ReplaceChar(FILE_PATH_SEPARATOR FILE_ILLEGAL_CHARACTERS, '_');
aOutSalt = temp;
aOutSalt.ReplaceChar(FILE_PATH_SEPARATOR FILE_ILLEGAL_CHARACTERS, '_');
return NS_OK;
}

6
dom/media/VideoUtils.h
View File

@ -261,7 +261,11 @@ ExtractH264CodecDetails(const nsAString& aCodecs,
int16_t& aLevel);
// Use a cryptographic quality PRNG to generate raw random bytes
// and convert that to a base64 string suitable for use as a file or URL
// and convert that to a base64 string.
nsresult
GenerateRandomName(nsCString& aOutSalt, uint32_t aLength);
// This version returns a string suitable for use as a file or URL
// path. This is based on code from nsExternalAppHandler::SetUpTempFile.
nsresult
GenerateRandomPathName(nsCString& aOutSalt, uint32_t aLength);

6
dom/media/nsIMediaManager.idl
View File

@ -12,7 +12,7 @@ interface nsIDOMWindow;
#define MEDIAMANAGERSERVICE_CONTRACTID "@mozilla.org/mediaManagerService;1"
%}
[scriptable, builtinclass, uuid(9b10661f-77b3-47f7-a8de-ee58daaff5d2)]
[scriptable, builtinclass, uuid(24b23e01-33fd-401f-ba25-6e52658750b0)]
interface nsIMediaManagerService : nsISupports
{
/* return a array of inner windows that have active captures */
@ -22,4 +22,8 @@ interface nsIMediaManagerService : nsISupports
void mediaCaptureWindowState(in nsIDOMWindow aWindow, out boolean aVideo, out boolean aAudio,
[optional] out boolean aScreenShare, [optional] out boolean aWindowShare,
[optional] out boolean aAppShare, [optional] out boolean aBrowserShare);
/* Clear per-orgin list of persistent DeviceIds stored for enumerateDevices
sinceTime is milliseconds since 1 January 1970 00:00:00 UTC. 0 = clear all */
void sanitizeDeviceIds(in long long sinceWhen);
};

134
dom/media/systemservices/MediaChild.cpp Normal file
View File

@ -0,0 +1,134 @@
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et ft=cpp : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "MediaChild.h"
#include "mozilla/ipc/BackgroundChild.h"
#include "mozilla/ipc/PBackgroundChild.h"
#include "nsGlobalWindow.h"
#include "mozilla/MediaManager.h"
#include "prlog.h"
#undef LOG
#if defined(PR_LOGGING)
PRLogModuleInfo *gMediaChildLog;
#define LOG(args) PR_LOG(gMediaChildLog, PR_LOG_DEBUG, args)
#else
#define LOG(args)
#endif
namespace mozilla {
namespace media {
static PMediaChild* sChild = nullptr;
template<typename ValueType>
ChildPledge<ValueType>::ChildPledge()
{
MOZ_ASSERT(MediaManager::IsInMediaThread());
}
template<typename ValueType> void
ChildPledge<ValueType>::ActorCreated(PBackgroundChild* aActor)
{
if (!sChild) {
// Create PMedia by sending a message to the parent
sChild = aActor->SendPMediaConstructor();
}
Run(static_cast<Child*>(sChild));
}
template<typename ValueType> void
ChildPledge<ValueType>::ActorFailed()
{
Pledge<ValueType>::Reject(NS_ERROR_UNEXPECTED);
}
template<typename ValueType> NS_IMPL_ADDREF(ChildPledge<ValueType>)
template<typename ValueType> NS_IMPL_RELEASE(ChildPledge<ValueType>)
template<typename ValueType> NS_INTERFACE_MAP_BEGIN(ChildPledge<ValueType>)
NS_INTERFACE_MAP_ENTRY(nsIIPCBackgroundChildCreateCallback)
NS_INTERFACE_MAP_END
already_AddRefed<ChildPledge<nsCString>>
GetOriginKey(const nsCString& aOrigin, bool aPrivateBrowsing)
{
class Pledge : public ChildPledge<nsCString>
{
public:
explicit Pledge(const nsCString& aOrigin, bool aPrivateBrowsing)
: mOrigin(aOrigin), mPrivateBrowsing(aPrivateBrowsing) {}
private:
~Pledge() {}
void Run(PMediaChild* aMedia)
{
aMedia->SendGetOriginKey(mOrigin, mPrivateBrowsing, &mValue);
LOG(("GetOriginKey for %s, result:", mOrigin.get(), mValue.get()));
Resolve();
}
const nsCString mOrigin;
const bool mPrivateBrowsing;
};
nsRefPtr<ChildPledge<nsCString>> p = new Pledge(aOrigin, aPrivateBrowsing);
nsCOMPtr<nsIIPCBackgroundChildCreateCallback> cb = do_QueryObject(p);
bool ok = ipc::BackgroundChild::GetOrCreateForCurrentThread(cb);
MOZ_RELEASE_ASSERT(ok);
return p.forget();
}
already_AddRefed<ChildPledge<bool>>
SanitizeOriginKeys(const uint64_t& aSinceWhen)
{
class Pledge : public ChildPledge<bool>
{
public:
explicit Pledge(const uint64_t& aSinceWhen) : mSinceWhen(aSinceWhen) {}
private:
void Run(PMediaChild* aMedia)
{
aMedia->SendSanitizeOriginKeys(mSinceWhen);
mValue = true;
LOG(("SanitizeOriginKeys since %llu", mSinceWhen));
Resolve();
}
const uint64_t mSinceWhen;
};
nsRefPtr<ChildPledge<bool>> p = new Pledge(aSinceWhen);
nsCOMPtr<nsIIPCBackgroundChildCreateCallback> cb = do_QueryObject(p);
bool ok = ipc::BackgroundChild::GetOrCreateForCurrentThread(cb);
MOZ_RELEASE_ASSERT(ok);
return p.forget();
}
Child::Child()
{
#if defined(PR_LOGGING)
if (!gMediaChildLog) {
gMediaChildLog = PR_NewLogModule("MediaChild");
}
#endif
LOG(("media::Child: %p", this));
MOZ_COUNT_CTOR(Child);
}
Child::~Child()
{
LOG(("~media::Child: %p", this));
sChild = nullptr;
MOZ_COUNT_DTOR(Child);
}
PMediaChild*
CreateMediaChild()
{
return new Child();
}
}
}

59
dom/media/systemservices/MediaChild.h Normal file
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@ -0,0 +1,59 @@
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et ft=cpp : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_MediaChild_h
#define mozilla_MediaChild_h
#include "mozilla/dom/ContentChild.h"
#include "mozilla/media/PMediaChild.h"
#include "mozilla/media/PMediaParent.h"
#include "nsIIPCBackgroundChildCreateCallback.h"
#include "MediaUtils.h"
namespace mozilla {
namespace media {
// media::Child implements proxying to the chrome process for some media-related
// functions, for the moment just:
//
// GetOriginKey() - get a cookie-like persisted unique key for a given origin.
// SanitizeOriginKeys() - reset persisted unique keys.
// GetOriginKey and SanitizeOriginKeys are asynchronous APIs that return pledges
// (promise-like objects) with the future value. Use pledge.Then(func) to access.
template<typename ValueType>
class ChildPledge : public Pledge<ValueType>,
public nsIIPCBackgroundChildCreateCallback
{
NS_DECL_NSIIPCBACKGROUNDCHILDCREATECALLBACK
NS_DECL_ISUPPORTS
public:
explicit ChildPledge();
protected:
virtual ~ChildPledge() {}
virtual void Run(PMediaChild* aMedia) = 0;
};
already_AddRefed<ChildPledge<nsCString>>
GetOriginKey(const nsCString& aOrigin, bool aPrivateBrowsing);
already_AddRefed<ChildPledge<bool>>
SanitizeOriginKeys(const uint64_t& aSinceWhen);
class Child : public PMediaChild
{
public:
Child();
virtual ~Child();
};
PMediaChild* CreateMediaChild();
} // namespace media
} // namespace mozilla
#endif // mozilla_MediaChild_h

400
dom/media/systemservices/MediaParent.cpp Normal file
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@ -0,0 +1,400 @@
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et ft=cpp : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "MediaParent.h"
#include "mozilla/Base64.h"
#include "MediaUtils.h"
#include "MediaEngine.h"
#include "VideoUtils.h"
#include "nsThreadUtils.h"
#include "nsNetUtil.h"
#include "nsILineInputStream.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsISupportsImpl.h"
#include "prlog.h"
#undef LOG
#if defined(PR_LOGGING)
PRLogModuleInfo *gMediaParentLog;
#define LOG(args) PR_LOG(gMediaParentLog, PR_LOG_DEBUG, args)
#else
#define LOG(args)
#endif
// A file in the profile dir is used to persist mOriginKeys used to anonymize
// deviceIds to be unique per origin, to avoid them being supercookies.
#define ORIGINKEYS_FILE "enumerate_devices.txt"
#define ORIGINKEYS_VERSION "1"
namespace mozilla {
namespace media {
static ParentSingleton* sParentSingleton = nullptr;
class ParentSingleton : public nsISupports
{
NS_DECL_ISUPPORTS
class OriginKey
{
public:
static const size_t DecodedLength = 18;
OriginKey(const nsACString& aKey, int64_t aSecondsStamp)
: mKey(aKey)
, mSecondsStamp(aSecondsStamp) {}
nsCString mKey; // Base64 encoded.
int64_t mSecondsStamp;
};
class OriginKeysTable
{
public:
OriginKeysTable() {}
nsresult
GetOriginKey(const nsACString& aOrigin, nsCString& result)
{
OriginKey* key;
if (!mKeys.Get(aOrigin, &key)) {
nsCString salt; // Make a new one
nsresult rv = GenerateRandomName(salt, key->DecodedLength * 4 / 3);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
key = new OriginKey(salt, PR_Now() / PR_USEC_PER_SEC);
mKeys.Put(aOrigin, key);
}
result = key->mKey;
return NS_OK;
}
static PLDHashOperator
HashCleaner(const nsACString& aOrigin, nsAutoPtr<OriginKey>& aOriginKey,
void *aUserArg)
{
OriginKey* since = static_cast<OriginKey*>(aUserArg);
LOG((((aOriginKey->mSecondsStamp >= since->mSecondsStamp)?
"%s: REMOVE %lld >= %lld" :
"%s: KEEP %lld < %lld"),
__FUNCTION__, aOriginKey->mSecondsStamp, since->mSecondsStamp));
return (aOriginKey->mSecondsStamp >= since->mSecondsStamp)?
PL_DHASH_REMOVE : PL_DHASH_NEXT;
}
void Clear(int64_t aSinceWhen)
{
// Avoid int64_t* <-> void* casting offset
OriginKey since(nsCString(), aSinceWhen / PR_USEC_PER_SEC);
mKeys.Enumerate(HashCleaner, &since);
}
protected:
nsClassHashtable<nsCStringHashKey, OriginKey> mKeys;
};
class OriginKeysLoader : public OriginKeysTable
{
public:
OriginKeysLoader()
{
Load();
}
nsresult
GetOriginKey(const nsACString& aOrigin, nsCString& result)
{
auto before = mKeys.Count();
OriginKeysTable::GetOriginKey(aOrigin, result);
if (mKeys.Count() != before) {
Save();
}
return NS_OK;
}
already_AddRefed<nsIFile>
GetFile()
{
if (!mProfileDir) {
nsresult rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
getter_AddRefs(mProfileDir));
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
}
nsCOMPtr<nsIFile> file;
nsresult rv = mProfileDir->Clone(getter_AddRefs(file));
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
file->Append(NS_LITERAL_STRING(ORIGINKEYS_FILE));
return file.forget();
}
// Format of file is key secondsstamp origin (first line is version #):
//
// 1
// rOMAAbFujNwKyIpj4RJ3Wt5Q 1424733961 http://fiddle.jshell.net
// rOMAAbFujNwKyIpj4RJ3Wt5Q 1424734841 http://mozilla.github.io
// etc.
nsresult Read()
{
nsCOMPtr<nsIFile> file = GetFile();
if (NS_WARN_IF(!file)) {
return NS_ERROR_UNEXPECTED;
}
bool exists;
nsresult rv = file->Exists(&exists);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (!exists) {
return NS_OK;
}
nsCOMPtr<nsIInputStream> stream;
rv = NS_NewLocalFileInputStream(getter_AddRefs(stream), file);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsCOMPtr<nsILineInputStream> i = do_QueryInterface(stream);
MOZ_ASSERT(i);
nsCString line;
bool hasMoreLines;
rv = i->ReadLine(line, &hasMoreLines);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (!line.EqualsLiteral(ORIGINKEYS_VERSION)) {
// If version on disk is newer than we can understand then ignore it.
return NS_OK;
}
while (hasMoreLines) {
rv = i->ReadLine(line, &hasMoreLines);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// Read key secondsstamp origin.
// Ignore any lines that don't fit format in the comment above exactly.
int32_t f = line.FindChar(' ');
if (f < 0) {
continue;
}
const nsACString& key = Substring(line, 0, f);
const nsACString& s = Substring(line, f+1);
f = s.FindChar(' ');
if (f < 0) {
continue;
}
int64_t secondsstamp = nsCString(Substring(s, 0, f)).ToInteger64(&rv);
if (NS_FAILED(rv)) {
continue;
}
const nsACString& origin = Substring(s, f+1);
// Validate key
if (key.Length() != OriginKey::DecodedLength) {
continue;
}
nsCString dummy;
rv = Base64Decode(key, dummy);
if (NS_FAILED(rv)) {
continue;
}
mKeys.Put(origin, new OriginKey(key, secondsstamp));
}
return NS_OK;
}
static PLDHashOperator
HashWriter(const nsACString& aOrigin, OriginKey* aOriginKey, void *aUserArg)
{
auto* stream = static_cast<nsIOutputStream *>(aUserArg);
nsCString buffer;
buffer.Append(aOriginKey->mKey);
buffer.Append(' ');
buffer.AppendInt(aOriginKey->mSecondsStamp);
buffer.Append(' ');
buffer.Append(aOrigin);
buffer.Append('\n');
uint32_t count;
nsresult rv = stream->Write(buffer.Data(), buffer.Length(), &count);
if (NS_WARN_IF(NS_FAILED(rv)) || count != buffer.Length()) {
return PL_DHASH_STOP;
}
return PL_DHASH_NEXT;
}
nsresult
Write()
{
nsCOMPtr<nsIFile> file = GetFile();
if (NS_WARN_IF(!file)) {
return NS_ERROR_UNEXPECTED;
}
nsCOMPtr<nsIOutputStream> stream;
nsresult rv = NS_NewSafeLocalFileOutputStream(getter_AddRefs(stream), file);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsAutoCString buffer;
buffer.AppendLiteral(ORIGINKEYS_VERSION);
buffer.Append('\n');
uint32_t count;
rv = stream->Write(buffer.Data(), buffer.Length(), &count);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (count != buffer.Length()) {
return NS_ERROR_UNEXPECTED;
}
mKeys.EnumerateRead(HashWriter, stream.get());
nsCOMPtr<nsISafeOutputStream> safeStream = do_QueryInterface(stream);
MOZ_ASSERT(safeStream);
rv = safeStream->Finish();
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
nsresult Load()
{
nsresult rv = Read();
if (NS_WARN_IF(NS_FAILED(rv))) {
Delete();
}
return rv;
}
nsresult Save()
{
nsresult rv = Write();
if (NS_WARN_IF(NS_FAILED(rv))) {
NS_WARNING("Failed to write data for EnumerateDevices id-persistence.");
Delete();
}
return rv;
}
void Clear(int64_t aSinceWhen)
{
OriginKeysTable::Clear(aSinceWhen);
Delete();
Save();
}
nsresult Delete()
{
nsCOMPtr<nsIFile> file = GetFile();
if (NS_WARN_IF(!file)) {
return NS_ERROR_UNEXPECTED;
}
nsresult rv = file->Remove(false);
if (rv == NS_ERROR_FILE_NOT_FOUND) {
return NS_OK;
}
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
private:
nsCOMPtr<nsIFile> mProfileDir;
};
private:
virtual ~ParentSingleton()
{
sParentSingleton = nullptr;
LOG((__FUNCTION__));
}
public:
static ParentSingleton* Get()
{
if (!sParentSingleton) {
sParentSingleton = new ParentSingleton();
}
return sParentSingleton;
}
OriginKeysLoader mOriginKeys;
OriginKeysTable mPrivateBrowsingOriginKeys;
};
NS_IMPL_ISUPPORTS0(ParentSingleton)
bool
Parent::RecvGetOriginKey(const nsCString& aOrigin,
const bool& aPrivateBrowsing,
nsCString* aKey)
{
if (aPrivateBrowsing) {
mSingleton->mPrivateBrowsingOriginKeys.GetOriginKey(aOrigin, *aKey);
} else {
mSingleton->mOriginKeys.GetOriginKey(aOrigin, *aKey);
}
return true;
}
bool
Parent::RecvSanitizeOriginKeys(const uint64_t& aSinceWhen)
{
mSingleton->mPrivateBrowsingOriginKeys.Clear(aSinceWhen);
mSingleton->mOriginKeys.Clear(aSinceWhen);
return true;
}
void
Parent::ActorDestroy(ActorDestroyReason aWhy)
{
// No more IPC from here
LOG((__FUNCTION__));
}
Parent::Parent()
: mSingleton(ParentSingleton::Get())
{
#if defined(PR_LOGGING)
if (!gMediaParentLog)
gMediaParentLog = PR_NewLogModule("MediaParent");
#endif
LOG(("media::Parent: %p", this));
MOZ_COUNT_CTOR(Parent);
}
Parent::~Parent()
{
LOG(("~media::Parent: %p", this));
MOZ_COUNT_DTOR(Parent);
}
PMediaParent* CreateParent()
{
return new Parent();
}
}
}

42
dom/media/systemservices/MediaParent.h Normal file
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@ -0,0 +1,42 @@
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et ft=cpp : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_MediaParent_h
#define mozilla_MediaParent_h
#include "MediaChild.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/media/PMediaParent.h"
namespace mozilla {
namespace media {
// media::Parent implements the chrome-process side of ipc for media::Child APIs
class ParentSingleton;
class Parent : public PMediaParent
{
public:
virtual bool RecvGetOriginKey(const nsCString& aOrigin,
const bool& aPrivateBrowsing,
nsCString* aKey) override;
virtual bool RecvSanitizeOriginKeys(const uint64_t& aSinceWhen) override;
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
Parent();
virtual ~Parent();
private:
nsRefPtr<ParentSingleton> mSingleton;
};
PMediaParent* CreateParent();
} // namespace media
} // namespace mozilla
#endif // mozilla_MediaParent_h

23
dom/media/systemservices/MediaUtils.cpp Normal file
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@ -0,0 +1,23 @@
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et ft=cpp : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "MediaUtils.h"
#include "mozilla/MediaManager.h"
namespace mozilla {
namespace media {
template<typename ValueType>
Pledge<ValueType>::Pledge()
: mDone(false)
, mResult(NS_OK)
{
MOZ_ASSERT(MediaManager::IsInMediaThread());
}
}
}

106
dom/media/systemservices/MediaUtils.h Normal file
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@ -0,0 +1,106 @@
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et ft=cpp : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_MediaUtils_h
#define mozilla_MediaUtils_h
#include "nsAutoPtr.h"
namespace mozilla {
namespace media {
// A media::Pledge is a promise-like pattern for c++ that takes lambda functions.
//
// Asynchronous APIs that proxy to the chrome process and back, may return a
// pledge to allow callers to use pledge.Then() to specify a lambda function to
// invoke with the result once the asynchronous API resolves later back on the
// same thread.
//
// An advantage of this pattern is that lambdas allow "capturing" of local
// variables, much like closures in JavaScript.
template<typename ValueType>
class Pledge
{
// TODO: Remove workaround once mozilla allows std::function from <functional>
class FunctorsBase
{
public:
FunctorsBase() {}
virtual void Succeed(const ValueType& result) = 0;
virtual void Fail(nsresult rv) = 0;
virtual ~FunctorsBase() {};
};
public:
explicit Pledge();
template<typename OnSuccessType, typename OnFailureType>
void Then(OnSuccessType aOnSuccess, OnFailureType aOnFailure)
{
class F : public FunctorsBase
{
public:
F(OnSuccessType& aOnSuccess, OnFailureType& aOnFailure)
: mOnSuccess(aOnSuccess), mOnFailure(aOnFailure) {}
void Succeed(const ValueType& result)
{
mOnSuccess(result);
}
void Fail(nsresult rv)
{
mOnFailure(rv);
};
OnSuccessType mOnSuccess;
OnFailureType mOnFailure;
};
mFunctors = new F(aOnSuccess, aOnFailure);
if (mDone) {
if (mResult == NS_OK) {
mFunctors->Succeed(mValue);
} else {
mFunctors->Fail(mResult);
}
}
}
protected:
void Resolve()
{
if (!mDone) {
mDone = true;
MOZ_ASSERT(mResult == NS_OK);
if (mFunctors) {
mFunctors->Succeed(mValue);
}
}
}
void Reject(nsresult rv)
{
if (!mDone) {
mDone = true;
mResult = rv;
if (mFunctors) {
mFunctors->Fail(mResult);
}
}
}
ValueType mValue;
private:
bool mDone;
nsresult mResult;
nsAutoPtr<FunctorsBase> mFunctors;
};
}
}
#endif // mozilla_MediaUtils_h

33
dom/media/systemservices/PMedia.ipdl Normal file
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@ -0,0 +1,33 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
include protocol PContent;
include protocol PBackground;
namespace mozilla {
namespace media {
sync protocol PMedia
{
manager PBackground;
parent:
/**
* Returns a persistent unique secret key for each origin.
* Has no expiry, but is cleared by age along with cookies.
* This is needed by mediaDevices.enumerateDevices() to produce persistent
* deviceIds that wont work cross-origin.
*/
sync GetOriginKey(nsCString origin, bool privateBrowsing) returns (nsCString key);
/**
* On clear cookies.
*/
sync SanitizeOriginKeys(uint64_t sinceWhen);
async __delete__();
};
} // namespace media
} // namespace mozilla

16
dom/media/systemservices/moz.build
View File

@ -37,6 +37,22 @@ if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'gonk':
]
]
EXPORTS.mozilla.media += ['MediaChild.h',
'MediaParent.h',
'MediaUtils.h'
]
UNIFIED_SOURCES += ['MediaChild.cpp',
'MediaParent.cpp',
'MediaUtils.cpp'
]
IPDL_SOURCES += [
'PMedia.ipdl',
]
# /dom/base needed for nsGlobalWindow.h in MediaChild.cpp
LOCAL_INCLUDES += [
'/dom/base',
]
include('/ipc/chromium/chromium-config.mozbuild')
FINAL_LIBRARY = 'xul'

14
ipc/glue/BackgroundChildImpl.cpp
View File

@ -7,6 +7,7 @@
#include "ActorsChild.h" // IndexedDB
#include "BroadcastChannelChild.h"
#include "FileDescriptorSetChild.h"
#include "mozilla/media/MediaChild.h"
#include "mozilla/Assertions.h"
#include "mozilla/dom/PBlobChild.h"
#include "mozilla/dom/cache/ActorUtils.h"
@ -281,6 +282,19 @@ BackgroundChildImpl::DeallocPCacheStreamControlChild(PCacheStreamControlChild* a
return true;
}
media::PMediaChild*
BackgroundChildImpl::AllocPMediaChild()
{
return media::CreateMediaChild();
}
bool
BackgroundChildImpl::DeallocPMediaChild(media::PMediaChild *aActor)
{
delete aActor;
return true;
}
} // namespace ipc
} // namespace mozilla

6
ipc/glue/BackgroundChildImpl.h
View File

@ -71,6 +71,12 @@ protected:
virtual bool
DeallocPFileDescriptorSetChild(PFileDescriptorSetChild* aActor) override;
virtual PMediaChild*
AllocPMediaChild() override;
virtual bool
DeallocPMediaChild(PMediaChild* aActor) override;
virtual PVsyncChild*
AllocPVsyncChild() override;

14
ipc/glue/BackgroundParentImpl.cpp
View File

@ -6,6 +6,7 @@
#include "BroadcastChannelParent.h"
#include "FileDescriptorSetParent.h"
#include "mozilla/media/MediaParent.h"
#include "mozilla/AppProcessChecker.h"
#include "mozilla/Assertions.h"
#include "mozilla/dom/ContentParent.h"
@ -360,6 +361,19 @@ BackgroundParentImpl::DeallocPBroadcastChannelParent(
return true;
}
media::PMediaParent*
BackgroundParentImpl::AllocPMediaParent()
{
return media::CreateParent();
}
bool
BackgroundParentImpl::DeallocPMediaParent(media::PMediaParent *aActor)
{
delete aActor;
return true;
}
namespace {
class RegisterServiceWorkerCallback final : public nsRunnable

6
ipc/glue/BackgroundParentImpl.h
View File

@ -84,6 +84,12 @@ protected:
virtual bool
DeallocPBroadcastChannelParent(PBroadcastChannelParent* aActor) override;
virtual PMediaParent*
AllocPMediaParent() override;
virtual bool
DeallocPMediaParent(PMediaParent* aActor) override;
virtual bool
RecvRegisterServiceWorker(const ServiceWorkerRegistrationData& aData)
override;

3
ipc/glue/PBackground.ipdl
View File

@ -11,6 +11,7 @@ include protocol PCacheStorage;
include protocol PCacheStreamControl;
include protocol PFileDescriptorSet;
include protocol PVsync;
include protocol PMedia;
include DOMTypes;
include PBackgroundSharedTypes;
@ -34,6 +35,7 @@ sync protocol PBackground
manages PCacheStreamControl;
manages PFileDescriptorSet;
manages PVsync;
manages PMedia;
parent:
// Only called at startup during mochitests to check the basic infrastructure.
@ -42,6 +44,7 @@ parent:
PBackgroundIDBFactory(LoggingInfo loggingInfo);
PVsync();
PMedia();
PBroadcastChannel(PrincipalInfo pInfo, nsString origin, nsString channel);

8
security/manager/ssl/src/nsNSSModule.cpp
View File

@ -169,7 +169,7 @@ NS_NSS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nssLoadingComponent, nsNSSComponent,
Init)
using namespace mozilla::psm;
namespace {
// Use the special factory constructor for everything this module implements,
@ -199,9 +199,9 @@ NS_NSS_GENERIC_FACTORY_CONSTRUCTOR(nssEnsure, nsPkcs11)
NS_NSS_GENERIC_FACTORY_CONSTRUCTOR(nssEnsure, nsCertPicker)
NS_NSS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nssEnsure, nsNTLMAuthModule, InitTest)
NS_NSS_GENERIC_FACTORY_CONSTRUCTOR(nssEnsureChromeOrContent, nsCryptoHash)
NS_NSS_GENERIC_FACTORY_CONSTRUCTOR(nssEnsure, nsCryptoHMAC)
NS_NSS_GENERIC_FACTORY_CONSTRUCTOR(nssEnsure, nsKeyObject)
NS_NSS_GENERIC_FACTORY_CONSTRUCTOR(nssEnsure, nsKeyObjectFactory)
NS_NSS_GENERIC_FACTORY_CONSTRUCTOR(nssEnsureChromeOrContent, nsCryptoHMAC)
NS_NSS_GENERIC_FACTORY_CONSTRUCTOR(nssEnsureChromeOrContent, nsKeyObject)
NS_NSS_GENERIC_FACTORY_CONSTRUCTOR(nssEnsureChromeOrContent, nsKeyObjectFactory)
NS_NSS_GENERIC_FACTORY_CONSTRUCTOR(nssEnsure, nsDataSignatureVerifier)
NS_NSS_GENERIC_FACTORY_CONSTRUCTOR(nssEnsure, nsRandomGenerator)
NS_NSS_GENERIC_FACTORY_CONSTRUCTOR(nssEnsureOnChromeOnly, nsSSLStatus)