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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_IMPORTER_FIREFOX_IMPORTER_UNITTEST_UTILS_H_
#define CHROME_BROWSER_IMPORTER_FIREFOX_IMPORTER_UNITTEST_UTILS_H_
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/process_util.h"
#include "chrome/browser/importer/nss_decryptor.h"
class FFDecryptorServerChannelListener;
namespace IPC {
class Channel;
} // namespace IPC
class MessageLoopForIO;
// On OS X NSSDecryptor needs to run in a separate process. To allow us to use
// the same unit test on all platforms we use a proxy class which spawns a
// child process to do decryption on OS X, and calls through directly
// to NSSDecryptor on other platforms.
// On OS X:
// 2 IPC messages are sent for every method of NSSDecryptor, one containing the
// input arguments sent from Server->Child and one coming back containing
// the return argument e.g.
//
// -> Msg_Decryptor_Init(dll_path, db_path)
// <- Msg_Decryptor_InitReturnCode(bool)
class FFUnitTestDecryptorProxy {
public:
FFUnitTestDecryptorProxy();
virtual ~FFUnitTestDecryptorProxy();
// Initialize a decryptor, returns true if the object was
// constructed successfully.
bool Setup(const FilePath& nss_path);
// This match the parallel functions in NSSDecryptor.
bool DecryptorInit(const FilePath& dll_path, const FilePath& db_path);
string16 Decrypt(const std::string& crypt);
private:
#if defined(OS_MACOSX)
// Blocks until either a timeout is reached, or until the client process
// responds to an IPC message.
// Returns true if a reply was received successfully and false if the
// the operation timed out.
bool WaitForClientResponse();
base::ProcessHandle child_process_;
scoped_ptr<IPC::Channel> channel_;
scoped_ptr<FFDecryptorServerChannelListener> listener_;
scoped_ptr<MessageLoopForIO> message_loop_;
#else
NSSDecryptor decryptor_;
#endif // !OS_MACOSX
DISALLOW_COPY_AND_ASSIGN(FFUnitTestDecryptorProxy);
};
// On Non-OSX platforms FFUnitTestDecryptorProxy simply calls through to
// NSSDecryptor.
#if !defined(OS_MACOSX)
FFUnitTestDecryptorProxy::FFUnitTestDecryptorProxy() {
}
FFUnitTestDecryptorProxy::~FFUnitTestDecryptorProxy() {
}
bool FFUnitTestDecryptorProxy::Setup(const FilePath& nss_path) {
return true;
}
bool FFUnitTestDecryptorProxy::DecryptorInit(const FilePath& dll_path,
const FilePath& db_path) {
return decryptor_.Init(dll_path, db_path);
}
string16 FFUnitTestDecryptorProxy::Decrypt(const std::string& crypt) {
return decryptor_.Decrypt(crypt);
}
#endif // !OS_MACOSX
#endif // CHROME_BROWSER_IMPORTER_FIREFOX_IMPORTER_UNITTEST_UTILS_H_
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