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// Copyright (c) 2009 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.
#include "chrome/browser/transport_security_persister.h"
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/message_loop.h"
#include "base/path_service.h"
#include "chrome/browser/chrome_thread.h"
#include "chrome/common/chrome_paths.h"
#include "net/base/transport_security_state.h"
TransportSecurityPersister::TransportSecurityPersister()
: state_is_dirty_(false) {
}
TransportSecurityPersister::~TransportSecurityPersister() {
transport_security_state_->SetDelegate(NULL);
}
void TransportSecurityPersister::Initialize(
net::TransportSecurityState* state, const FilePath& profile_path) {
transport_security_state_ = state;
state_file_ =
profile_path.Append(FILE_PATH_LITERAL("TransportSecurity"));
state->SetDelegate(this);
Task* task = NewRunnableMethod(this,
&TransportSecurityPersister::LoadState);
ChromeThread::PostDelayedTask(ChromeThread::FILE, FROM_HERE, task, 1000);
}
void TransportSecurityPersister::LoadState() {
AutoLock locked_(lock_);
DCHECK(ChromeThread::CurrentlyOn(ChromeThread::FILE));
std::string state;
if (!file_util::ReadFileToString(state_file_, &state))
return;
transport_security_state_->Deserialise(state);
}
void TransportSecurityPersister::StateIsDirty(
net::TransportSecurityState* state) {
// Runs on arbitary thread, may not block nor reenter
// |transport_security_state_|.
AutoLock locked_(lock_);
DCHECK(state == transport_security_state_);
if (state_is_dirty_)
return; // we already have a serialisation scheduled
Task* task = NewRunnableMethod(this,
&TransportSecurityPersister::SerialiseState);
ChromeThread::PostDelayedTask(ChromeThread::FILE, FROM_HERE, task, 1000);
state_is_dirty_ = true;
}
void TransportSecurityPersister::SerialiseState() {
AutoLock locked_(lock_);
DCHECK(ChromeThread::CurrentlyOn(ChromeThread::FILE));
DCHECK(state_is_dirty_);
state_is_dirty_ = false;
std::string state;
if (!transport_security_state_->Serialise(&state))
return;
file_util::WriteFile(state_file_, state.data(), state.size());
}
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