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// Copyright 2014 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/default_channel_id_store.h"
#include "base/bind.h"
#include "base/message_loop/message_loop.h"
#include "base/metrics/histogram.h"
#include "net/base/net_errors.h"
namespace net {
// --------------------------------------------------------------------------
// Task
class DefaultChannelIDStore::Task {
public:
virtual ~Task();
// Runs the task and invokes the client callback on the thread that
// originally constructed the task.
virtual void Run(DefaultChannelIDStore* store) = 0;
protected:
void InvokeCallback(base::Closure callback) const;
};
DefaultChannelIDStore::Task::~Task() {
}
void DefaultChannelIDStore::Task::InvokeCallback(
base::Closure callback) const {
if (!callback.is_null())
callback.Run();
}
// --------------------------------------------------------------------------
// GetChannelIDTask
class DefaultChannelIDStore::GetChannelIDTask
: public DefaultChannelIDStore::Task {
public:
GetChannelIDTask(const std::string& server_identifier,
const GetChannelIDCallback& callback);
~GetChannelIDTask() override;
void Run(DefaultChannelIDStore* store) override;
private:
std::string server_identifier_;
GetChannelIDCallback callback_;
};
DefaultChannelIDStore::GetChannelIDTask::GetChannelIDTask(
const std::string& server_identifier,
const GetChannelIDCallback& callback)
: server_identifier_(server_identifier),
callback_(callback) {
}
DefaultChannelIDStore::GetChannelIDTask::~GetChannelIDTask() {
}
void DefaultChannelIDStore::GetChannelIDTask::Run(
DefaultChannelIDStore* store) {
base::Time expiration_time;
std::string private_key_result;
std::string cert_result;
int err = store->GetChannelID(
server_identifier_, &expiration_time, &private_key_result,
&cert_result, GetChannelIDCallback());
DCHECK(err != ERR_IO_PENDING);
InvokeCallback(base::Bind(callback_, err, server_identifier_,
expiration_time, private_key_result, cert_result));
}
// --------------------------------------------------------------------------
// SetChannelIDTask
class DefaultChannelIDStore::SetChannelIDTask
: public DefaultChannelIDStore::Task {
public:
SetChannelIDTask(const std::string& server_identifier,
base::Time creation_time,
base::Time expiration_time,
const std::string& private_key,
const std::string& cert);
~SetChannelIDTask() override;
void Run(DefaultChannelIDStore* store) override;
private:
std::string server_identifier_;
base::Time creation_time_;
base::Time expiration_time_;
std::string private_key_;
std::string cert_;
};
DefaultChannelIDStore::SetChannelIDTask::SetChannelIDTask(
const std::string& server_identifier,
base::Time creation_time,
base::Time expiration_time,
const std::string& private_key,
const std::string& cert)
: server_identifier_(server_identifier),
creation_time_(creation_time),
expiration_time_(expiration_time),
private_key_(private_key),
cert_(cert) {
}
DefaultChannelIDStore::SetChannelIDTask::~SetChannelIDTask() {
}
void DefaultChannelIDStore::SetChannelIDTask::Run(
DefaultChannelIDStore* store) {
store->SyncSetChannelID(server_identifier_, creation_time_,
expiration_time_, private_key_, cert_);
}
// --------------------------------------------------------------------------
// DeleteChannelIDTask
class DefaultChannelIDStore::DeleteChannelIDTask
: public DefaultChannelIDStore::Task {
public:
DeleteChannelIDTask(const std::string& server_identifier,
const base::Closure& callback);
~DeleteChannelIDTask() override;
void Run(DefaultChannelIDStore* store) override;
private:
std::string server_identifier_;
base::Closure callback_;
};
DefaultChannelIDStore::DeleteChannelIDTask::
DeleteChannelIDTask(
const std::string& server_identifier,
const base::Closure& callback)
: server_identifier_(server_identifier),
callback_(callback) {
}
DefaultChannelIDStore::DeleteChannelIDTask::
~DeleteChannelIDTask() {
}
void DefaultChannelIDStore::DeleteChannelIDTask::Run(
DefaultChannelIDStore* store) {
store->SyncDeleteChannelID(server_identifier_);
InvokeCallback(callback_);
}
// --------------------------------------------------------------------------
// DeleteAllCreatedBetweenTask
class DefaultChannelIDStore::DeleteAllCreatedBetweenTask
: public DefaultChannelIDStore::Task {
public:
DeleteAllCreatedBetweenTask(base::Time delete_begin,
base::Time delete_end,
const base::Closure& callback);
~DeleteAllCreatedBetweenTask() override;
void Run(DefaultChannelIDStore* store) override;
private:
base::Time delete_begin_;
base::Time delete_end_;
base::Closure callback_;
};
DefaultChannelIDStore::DeleteAllCreatedBetweenTask::
DeleteAllCreatedBetweenTask(
base::Time delete_begin,
base::Time delete_end,
const base::Closure& callback)
: delete_begin_(delete_begin),
delete_end_(delete_end),
callback_(callback) {
}
DefaultChannelIDStore::DeleteAllCreatedBetweenTask::
~DeleteAllCreatedBetweenTask() {
}
void DefaultChannelIDStore::DeleteAllCreatedBetweenTask::Run(
DefaultChannelIDStore* store) {
store->SyncDeleteAllCreatedBetween(delete_begin_, delete_end_);
InvokeCallback(callback_);
}
// --------------------------------------------------------------------------
// GetAllChannelIDsTask
class DefaultChannelIDStore::GetAllChannelIDsTask
: public DefaultChannelIDStore::Task {
public:
explicit GetAllChannelIDsTask(const GetChannelIDListCallback& callback);
~GetAllChannelIDsTask() override;
void Run(DefaultChannelIDStore* store) override;
private:
std::string server_identifier_;
GetChannelIDListCallback callback_;
};
DefaultChannelIDStore::GetAllChannelIDsTask::
GetAllChannelIDsTask(const GetChannelIDListCallback& callback)
: callback_(callback) {
}
DefaultChannelIDStore::GetAllChannelIDsTask::
~GetAllChannelIDsTask() {
}
void DefaultChannelIDStore::GetAllChannelIDsTask::Run(
DefaultChannelIDStore* store) {
ChannelIDList cert_list;
store->SyncGetAllChannelIDs(&cert_list);
InvokeCallback(base::Bind(callback_, cert_list));
}
// --------------------------------------------------------------------------
// DefaultChannelIDStore
DefaultChannelIDStore::DefaultChannelIDStore(
PersistentStore* store)
: initialized_(false),
loaded_(false),
store_(store),
weak_ptr_factory_(this) {}
int DefaultChannelIDStore::GetChannelID(
const std::string& server_identifier,
base::Time* expiration_time,
std::string* private_key_result,
std::string* cert_result,
const GetChannelIDCallback& callback) {
DCHECK(CalledOnValidThread());
InitIfNecessary();
if (!loaded_) {
EnqueueTask(scoped_ptr<Task>(
new GetChannelIDTask(server_identifier, callback)));
return ERR_IO_PENDING;
}
ChannelIDMap::iterator it = channel_ids_.find(server_identifier);
if (it == channel_ids_.end())
return ERR_FILE_NOT_FOUND;
ChannelID* channel_id = it->second;
*expiration_time = channel_id->expiration_time();
*private_key_result = channel_id->private_key();
*cert_result = channel_id->cert();
return OK;
}
void DefaultChannelIDStore::SetChannelID(
const std::string& server_identifier,
base::Time creation_time,
base::Time expiration_time,
const std::string& private_key,
const std::string& cert) {
RunOrEnqueueTask(scoped_ptr<Task>(new SetChannelIDTask(
server_identifier, creation_time, expiration_time, private_key,
cert)));
}
void DefaultChannelIDStore::DeleteChannelID(
const std::string& server_identifier,
const base::Closure& callback) {
RunOrEnqueueTask(scoped_ptr<Task>(
new DeleteChannelIDTask(server_identifier, callback)));
}
void DefaultChannelIDStore::DeleteAllCreatedBetween(
base::Time delete_begin,
base::Time delete_end,
const base::Closure& callback) {
RunOrEnqueueTask(scoped_ptr<Task>(
new DeleteAllCreatedBetweenTask(delete_begin, delete_end, callback)));
}
void DefaultChannelIDStore::DeleteAll(
const base::Closure& callback) {
DeleteAllCreatedBetween(base::Time(), base::Time(), callback);
}
void DefaultChannelIDStore::GetAllChannelIDs(
const GetChannelIDListCallback& callback) {
RunOrEnqueueTask(scoped_ptr<Task>(new GetAllChannelIDsTask(callback)));
}
int DefaultChannelIDStore::GetChannelIDCount() {
DCHECK(CalledOnValidThread());
return channel_ids_.size();
}
void DefaultChannelIDStore::SetForceKeepSessionState() {
DCHECK(CalledOnValidThread());
InitIfNecessary();
if (store_.get())
store_->SetForceKeepSessionState();
}
DefaultChannelIDStore::~DefaultChannelIDStore() {
DeleteAllInMemory();
}
void DefaultChannelIDStore::DeleteAllInMemory() {
DCHECK(CalledOnValidThread());
for (ChannelIDMap::iterator it = channel_ids_.begin();
it != channel_ids_.end(); ++it) {
delete it->second;
}
channel_ids_.clear();
}
void DefaultChannelIDStore::InitStore() {
DCHECK(CalledOnValidThread());
DCHECK(store_.get()) << "Store must exist to initialize";
DCHECK(!loaded_);
store_->Load(base::Bind(&DefaultChannelIDStore::OnLoaded,
weak_ptr_factory_.GetWeakPtr()));
}
void DefaultChannelIDStore::OnLoaded(
scoped_ptr<ScopedVector<ChannelID> > channel_ids) {
DCHECK(CalledOnValidThread());
for (std::vector<ChannelID*>::const_iterator it = channel_ids->begin();
it != channel_ids->end(); ++it) {
DCHECK(channel_ids_.find((*it)->server_identifier()) ==
channel_ids_.end());
channel_ids_[(*it)->server_identifier()] = *it;
}
channel_ids->weak_clear();
loaded_ = true;
base::TimeDelta wait_time;
if (!waiting_tasks_.empty())
wait_time = base::TimeTicks::Now() - waiting_tasks_start_time_;
DVLOG(1) << "Task delay " << wait_time.InMilliseconds();
UMA_HISTOGRAM_CUSTOM_TIMES("DomainBoundCerts.TaskMaxWaitTime",
wait_time,
base::TimeDelta::FromMilliseconds(1),
base::TimeDelta::FromMinutes(1),
50);
UMA_HISTOGRAM_COUNTS_100("DomainBoundCerts.TaskWaitCount",
waiting_tasks_.size());
for (ScopedVector<Task>::iterator i = waiting_tasks_.begin();
i != waiting_tasks_.end(); ++i)
(*i)->Run(this);
waiting_tasks_.clear();
}
void DefaultChannelIDStore::SyncSetChannelID(
const std::string& server_identifier,
base::Time creation_time,
base::Time expiration_time,
const std::string& private_key,
const std::string& cert) {
DCHECK(CalledOnValidThread());
DCHECK(loaded_);
InternalDeleteChannelID(server_identifier);
InternalInsertChannelID(
server_identifier,
new ChannelID(
server_identifier, creation_time, expiration_time, private_key,
cert));
}
void DefaultChannelIDStore::SyncDeleteChannelID(
const std::string& server_identifier) {
DCHECK(CalledOnValidThread());
DCHECK(loaded_);
InternalDeleteChannelID(server_identifier);
}
void DefaultChannelIDStore::SyncDeleteAllCreatedBetween(
base::Time delete_begin,
base::Time delete_end) {
DCHECK(CalledOnValidThread());
DCHECK(loaded_);
for (ChannelIDMap::iterator it = channel_ids_.begin();
it != channel_ids_.end();) {
ChannelIDMap::iterator cur = it;
++it;
ChannelID* channel_id = cur->second;
if ((delete_begin.is_null() ||
channel_id->creation_time() >= delete_begin) &&
(delete_end.is_null() || channel_id->creation_time() < delete_end)) {
if (store_.get())
store_->DeleteChannelID(*channel_id);
delete channel_id;
channel_ids_.erase(cur);
}
}
}
void DefaultChannelIDStore::SyncGetAllChannelIDs(
ChannelIDList* channel_id_list) {
DCHECK(CalledOnValidThread());
DCHECK(loaded_);
for (ChannelIDMap::iterator it = channel_ids_.begin();
it != channel_ids_.end(); ++it)
channel_id_list->push_back(*it->second);
}
void DefaultChannelIDStore::EnqueueTask(scoped_ptr<Task> task) {
DCHECK(CalledOnValidThread());
DCHECK(!loaded_);
if (waiting_tasks_.empty())
waiting_tasks_start_time_ = base::TimeTicks::Now();
waiting_tasks_.push_back(task.release());
}
void DefaultChannelIDStore::RunOrEnqueueTask(scoped_ptr<Task> task) {
DCHECK(CalledOnValidThread());
InitIfNecessary();
if (!loaded_) {
EnqueueTask(task.Pass());
return;
}
task->Run(this);
}
void DefaultChannelIDStore::InternalDeleteChannelID(
const std::string& server_identifier) {
DCHECK(CalledOnValidThread());
DCHECK(loaded_);
ChannelIDMap::iterator it = channel_ids_.find(server_identifier);
if (it == channel_ids_.end())
return; // There is nothing to delete.
ChannelID* channel_id = it->second;
if (store_.get())
store_->DeleteChannelID(*channel_id);
channel_ids_.erase(it);
delete channel_id;
}
void DefaultChannelIDStore::InternalInsertChannelID(
const std::string& server_identifier,
ChannelID* channel_id) {
DCHECK(CalledOnValidThread());
DCHECK(loaded_);
if (store_.get())
store_->AddChannelID(*channel_id);
channel_ids_[server_identifier] = channel_id;
}
DefaultChannelIDStore::PersistentStore::PersistentStore() {}
DefaultChannelIDStore::PersistentStore::~PersistentStore() {}
} // namespace net
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