blob: 2bad3552212feb560020b1ea671a4c8ccc05fcdb [file] [log] [blame]
// Copyright 2015 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 "net/ssl/ssl_key_logger_impl.h"
#include <stdio.h>
#include "base/bind.h"
#include "base/files/file_util.h"
#include "base/files/scoped_file.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/sequence_checker.h"
#include "base/sequenced_task_runner.h"
#include "base/task/post_task.h"
#include "base/task/task_traits.h"
#if defined(STARBOARD)
#include "starboard/common/file.h"
#include "starboard/types.h"
#endif
namespace net {
// An object which lives on the background SequencedTaskRunner and performs the
// blocking file operations.
class SSLKeyLoggerImpl::Core {
public:
Core() { DETACH_FROM_SEQUENCE(sequence_checker_); }
~Core() { DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); }
void OpenFile(const base::FilePath& path) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(!file_);
#if defined(STARBOARD)
file_.reset(
new starboard::ScopedFile(path.value().c_str(), kSbFileCreateAlways));
#else
file_.reset(base::OpenFile(path, "a"));
#endif
if (!file_)
LOG(WARNING) << "Could not open " << path.value();
}
void WriteLine(const std::string& line) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!file_)
return;
#if defined(STARBOARD)
file_->WriteAll(line.c_str(), line.length());
#else
fprintf(file_.get(), "%s\n", line.c_str());
fflush(file_.get());
#endif
}
private:
#if defined(STARBOARD)
std::unique_ptr<starboard::ScopedFile> file_;
#else
base::ScopedFILE file_;
#endif
SEQUENCE_CHECKER(sequence_checker_);
DISALLOW_COPY_AND_ASSIGN(Core);
};
SSLKeyLoggerImpl::SSLKeyLoggerImpl(const base::FilePath& path)
: core_(new Core) {
// The user explicitly asked for debugging information, so these tasks block
// shutdown to avoid dropping some log entries.
task_runner_ = base::CreateSequencedTaskRunnerWithTraits(
{base::MayBlock(), base::TaskShutdownBehavior::BLOCK_SHUTDOWN});
task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&Core::OpenFile, base::Unretained(core_.get()), path));
}
SSLKeyLoggerImpl::~SSLKeyLoggerImpl() {
task_runner_->DeleteSoon(FROM_HERE, core_.release());
}
void SSLKeyLoggerImpl::WriteLine(const std::string& line) {
task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&Core::WriteLine, base::Unretained(core_.get()), line));
}
} // namespace net