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// Copyright (c) 2012 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/prefs/pref_registry_simple.h"
#include "base/prefs/pref_service.h"
#include "base/prefs/scoped_user_pref_update.h"
#include "base/strings/string_piece.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/common/pref_names.h"
#include "content/public/browser/browser_thread.h"
#include "url/gurl.h"
using content::AccessTokenStore;
using content::BrowserThread;
namespace {
bool IsUnsupportedNetworkProviderUrl(const GURL& url) {
const std::string& spec = url.spec();
// Unsupported after Chrome v14.
if (spec == "https://www.google.com/loc/json")
return true;
// Unsupported after Chrome v22.
if (spec == "https://maps.googleapis.com/maps/api/browserlocation/json")
return true;
return false;
}
// Loads access tokens and other necessary data on the UI thread, and
// calls back to the originator on the originating thread.
class TokenLoadingJob : public base::RefCountedThreadSafe<TokenLoadingJob> {
public:
TokenLoadingJob(
const AccessTokenStore::LoadAccessTokensCallbackType& callback)
: callback_(callback),
system_request_context_(NULL) {
}
void Run() {
BrowserThread::PostTaskAndReply(
BrowserThread::UI,
FROM_HERE,
base::Bind(&TokenLoadingJob::PerformWorkOnUIThread, this),
base::Bind(&TokenLoadingJob::RespondOnOriginatingThread, this));
}
private:
friend class base::RefCountedThreadSafe<TokenLoadingJob>;
~TokenLoadingJob() {}
void PerformWorkOnUIThread() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DictionaryPrefUpdate update(g_browser_process->local_state(),
prefs::kGeolocationAccessToken);
base::DictionaryValue* token_dictionary = update.Get();
std::vector<std::string> providers_to_remove;
// The dictionary value could be NULL if the pref has never been set.
if (token_dictionary != NULL) {
for (base::DictionaryValue::Iterator it(*token_dictionary); !it.IsAtEnd();
it.Advance()) {
GURL url(it.key());
if (!url.is_valid())
continue;
if (IsUnsupportedNetworkProviderUrl(url)) {
providers_to_remove.push_back(it.key());
continue;
}
it.value().GetAsString(&access_token_set_[url]);
}
for (size_t i = 0; i < providers_to_remove.size(); ++i) {
token_dictionary->RemoveWithoutPathExpansion(
providers_to_remove[i], 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(PrefRegistrySimple* registry) {
registry->RegisterDictionaryPref(prefs::kGeolocationAccessToken);
}
ChromeAccessTokenStore::ChromeAccessTokenStore() {}
void ChromeAccessTokenStore::LoadAccessTokens(
const LoadAccessTokensCallbackType& callback) {
scoped_refptr<TokenLoadingJob> job(new TokenLoadingJob(callback));
job->Run();
}
ChromeAccessTokenStore::~ChromeAccessTokenStore() {}
static void SetAccessTokenOnUIThread(const GURL& server_url,
const base::string16& token) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DictionaryPrefUpdate update(g_browser_process->local_state(),
prefs::kGeolocationAccessToken);
base::DictionaryValue* access_token_dictionary = update.Get();
access_token_dictionary->SetWithoutPathExpansion(
server_url.spec(), new base::StringValue(token));
}
void ChromeAccessTokenStore::SaveAccessToken(
const GURL& server_url,
const base::string16& access_token) {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&SetAccessTokenOnUIThread, server_url, access_token));
}
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