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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.
#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/common/chrome_paths.h"
#include "content/browser/browser_thread.h"
#include "net/base/transport_security_state.h"
TransportSecurityPersister::TransportSecurityPersister(bool readonly)
: ALLOW_THIS_IN_INITIALIZER_LIST(save_coalescer_(this)),
readonly_(readonly) {
}
TransportSecurityPersister::~TransportSecurityPersister() {
transport_security_state_->SetDelegate(NULL);
}
void TransportSecurityPersister::Initialize(
net::TransportSecurityState* state, const FilePath& profile_path) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
transport_security_state_ = state;
state_file_ =
profile_path.Append(FILE_PATH_LITERAL("TransportSecurity"));
state->SetDelegate(this);
Task* task = NewRunnableMethod(this,
&TransportSecurityPersister::Load);
BrowserThread::PostDelayedTask(BrowserThread::FILE, FROM_HERE, task, 1000);
}
void TransportSecurityPersister::Load() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
std::string state;
if (!file_util::ReadFileToString(state_file_, &state))
return;
BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
NewRunnableMethod(this,
&TransportSecurityPersister::CompleteLoad,
state));
}
void TransportSecurityPersister::CompleteLoad(const std::string& state) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
bool dirty = false;
if (!transport_security_state_->LoadEntries(state, &dirty)) {
LOG(ERROR) << "Failed to deserialize state: " << state;
return;
}
if (dirty)
StateIsDirty(transport_security_state_);
}
void TransportSecurityPersister::StateIsDirty(
net::TransportSecurityState* state) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
DCHECK(state == transport_security_state_);
if (readonly_)
return;
if (!save_coalescer_.empty())
return;
Task* task = save_coalescer_.NewRunnableMethod(
&TransportSecurityPersister::Save);
MessageLoop::current()->PostDelayedTask(FROM_HERE, task, 1000);
}
void TransportSecurityPersister::Save() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
std::string state;
if (!transport_security_state_->Serialise(&state))
return;
BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
NewRunnableMethod(this,
&TransportSecurityPersister::CompleteSave,
state));
}
void TransportSecurityPersister::CompleteSave(const std::string& state) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
DCHECK(!readonly_);
file_util::WriteFile(state_file_, state.data(), state.size());
}
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