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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/geolocation/chrome_access_token_store.h"
#include "base/bind.h"
#include "base/string_piece.h"
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/prefs/scoped_user_pref_update.h"
#include "chrome/common/pref_names.h"
#include "content/public/browser/browser_thread.h"
#include "googleurl/src/gurl.h"
using content::BrowserThread;
namespace {
// This was the default location service url for Chrome versions 14 and earlier
// but is no longer supported.
const char* kOldDefaultNetworkProviderUrl = "https://www.google.com/loc/json";
// Loads access tokens and other necessary data on the UI thread, and
// calls back to the originator on the originating threaad.
class TokenLoadingJob : public base::RefCountedThreadSafe<TokenLoadingJob> {
public:
TokenLoadingJob(
const AccessTokenStore::LoadAccessTokensCallbackType& callback)
: callback_(callback) {
}
void Run() {
BrowserThread::PostTaskAndReply(
BrowserThread::UI,
FROM_HERE,
base::Bind(&TokenLoadingJob::PerformWorkOnUIThread, this),
base::Bind(&TokenLoadingJob::RespondOnOriginatingThread, this));
}
private:
void PerformWorkOnUIThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DictionaryPrefUpdate update(g_browser_process->local_state(),
prefs::kGeolocationAccessToken);
DictionaryValue* token_dictionary = update.Get();
bool has_old_network_provider_url = false;
// The dictionary value could be NULL if the pref has never been set.
if (token_dictionary != NULL) {
for (DictionaryValue::key_iterator it = token_dictionary->begin_keys();
it != token_dictionary->end_keys(); ++it) {
GURL url(*it);
if (!url.is_valid())
continue;
if (url.spec() == kOldDefaultNetworkProviderUrl) {
has_old_network_provider_url = true;
continue;
}
token_dictionary->GetStringWithoutPathExpansion(
*it, &access_token_set_[url]);
}
if (has_old_network_provider_url)
token_dictionary->RemoveWithoutPathExpansion(
kOldDefaultNetworkProviderUrl, NULL);
}
system_request_context_ = g_browser_process->system_request_context();
}
void RespondOnOriginatingThread() {
callback_.Run(access_token_set_, system_request_context_);
}
AccessTokenStore::LoadAccessTokensCallbackType callback_;
AccessTokenStore::AccessTokenSet access_token_set_;
net::URLRequestContextGetter* system_request_context_;
};
} // namespace
void ChromeAccessTokenStore::RegisterPrefs(PrefService* prefs) {
prefs->RegisterDictionaryPref(prefs::kGeolocationAccessToken);
}
ChromeAccessTokenStore::ChromeAccessTokenStore() {
}
ChromeAccessTokenStore::~ChromeAccessTokenStore() {
}
void ChromeAccessTokenStore::LoadAccessTokens(
const LoadAccessTokensCallbackType& callback) {
scoped_refptr<TokenLoadingJob> job(new TokenLoadingJob(callback));
job->Run();
}
void SetAccessTokenOnUIThread(const GURL& server_url, const string16& token) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DictionaryPrefUpdate update(g_browser_process->local_state(),
prefs::kGeolocationAccessToken);
DictionaryValue* access_token_dictionary = update.Get();
access_token_dictionary->SetWithoutPathExpansion(
server_url.spec(), Value::CreateStringValue(token));
}
void ChromeAccessTokenStore::SaveAccessToken(const GURL& server_url,
const string16& access_token) {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&SetAccessTokenOnUIThread, server_url, access_token));
}
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