dom/ipc/PermissionMessageUtils.cpp@7e26c7da4463 (annotated)
dom/ipc/PermissionMessageUtils.cpp
Wed, 31 Dec 2014 06:55:50 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:55:50 +0100
- changeset 2
- 7e26c7da4463
- permissions
- -rw-r--r--
Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #include "mozilla/dom/PermissionMessageUtils.h" |
| michael@0 | 7 | #include "nsISerializable.h" |
| michael@0 | 8 | #include "nsSerializationHelper.h" |
| michael@0 | 9 | |
| michael@0 | 10 | namespace IPC { |
| michael@0 | 11 | |
| michael@0 | 12 | void |
| michael@0 | 13 | ParamTraits<Principal>::Write(Message* aMsg, const paramType& aParam) { |
| michael@0 | 14 | bool isNull = !aParam.mPrincipal; |
| michael@0 | 15 | WriteParam(aMsg, isNull); |
| michael@0 | 16 | if (isNull) { |
| michael@0 | 17 | return; |
| michael@0 | 18 | } |
| michael@0 | 19 | |
| michael@0 | 20 | bool isSerialized = false; |
| michael@0 | 21 | nsCString principalString; |
| michael@0 | 22 | nsCOMPtr<nsISerializable> serializable = do_QueryInterface(aParam.mPrincipal); |
| michael@0 | 23 | if (serializable) { |
| michael@0 | 24 | nsresult rv = NS_SerializeToString(serializable, principalString); |
| michael@0 | 25 | if (NS_SUCCEEDED(rv)) { |
| michael@0 | 26 | isSerialized = true; |
| michael@0 | 27 | } |
| michael@0 | 28 | } |
| michael@0 | 29 | |
| michael@0 | 30 | if (!isSerialized) { |
| michael@0 | 31 | NS_RUNTIMEABORT("Unable to serialize principal."); |
| michael@0 | 32 | return; |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | WriteParam(aMsg, principalString); |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | bool |
| michael@0 | 39 | ParamTraits<Principal>::Read(const Message* aMsg, void** aIter, paramType* aResult) |
| michael@0 | 40 | { |
| michael@0 | 41 | bool isNull; |
| michael@0 | 42 | if (!ReadParam(aMsg, aIter, &isNull)) { |
| michael@0 | 43 | return false; |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | if (isNull) { |
| michael@0 | 47 | aResult->mPrincipal = nullptr; |
| michael@0 | 48 | return true; |
| michael@0 | 49 | } |
| michael@0 | 50 | |
| michael@0 | 51 | nsCString principalString; |
| michael@0 | 52 | if (!ReadParam(aMsg, aIter, &principalString)) { |
| michael@0 | 53 | return false; |
| michael@0 | 54 | } |
| michael@0 | 55 | |
| michael@0 | 56 | nsCOMPtr<nsISupports> iSupports; |
| michael@0 | 57 | nsresult rv = NS_DeserializeObject(principalString, getter_AddRefs(iSupports)); |
| michael@0 | 58 | NS_ENSURE_SUCCESS(rv, false); |
| michael@0 | 59 | |
| michael@0 | 60 | nsCOMPtr<nsIPrincipal> principal = do_QueryInterface(iSupports); |
| michael@0 | 61 | NS_ENSURE_TRUE(principal, false); |
| michael@0 | 62 | |
| michael@0 | 63 | principal.swap(aResult->mPrincipal); |
| michael@0 | 64 | return true; |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | } // namespace IPC |
| michael@0 | 68 |
