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// Copyright (c) 2006-2008 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/net/chrome_url_request_context.h"
#include "base/command_line.h"
#include "base/string_util.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/chrome_thread.h"
#include "chrome/browser/extensions/extensions_service.h"
#include "chrome/browser/extensions/user_script_master.h"
#include "chrome/browser/profile.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/notification_service.h"
#include "chrome/common/pref_names.h"
#include "net/http/http_cache.h"
#include "net/http/http_util.h"
#include "net/proxy/proxy_service.h"
#include "webkit/glue/webkit_glue.h"
// Sets up proxy info if it was specified, otherwise returns NULL. The
// returned pointer MUST be deleted by the caller if non-NULL.
static net::ProxyInfo* CreateProxyInfo() {
net::ProxyInfo* proxy_info = NULL;
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kProxyServer)) {
proxy_info = new net::ProxyInfo();
const std::wstring& proxy_server =
command_line.GetSwitchValue(switches::kProxyServer);
proxy_info->UseNamedProxy(WideToASCII(proxy_server));
}
return proxy_info;
}
// static
ChromeURLRequestContext* ChromeURLRequestContext::CreateOriginal(
Profile* profile, const FilePath& cookie_store_path,
const FilePath& disk_cache_path) {
DCHECK(!profile->IsOffTheRecord());
ChromeURLRequestContext* context = new ChromeURLRequestContext(profile);
scoped_ptr<net::ProxyInfo> proxy_info(CreateProxyInfo());
context->proxy_service_ = net::ProxyService::Create(proxy_info.get());
net::HttpCache* cache =
new net::HttpCache(context->proxy_service_,
disk_cache_path.ToWStringHack(), 0);
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
bool record_mode = chrome::kRecordModeEnabled &&
command_line.HasSwitch(switches::kRecordMode);
bool playback_mode = command_line.HasSwitch(switches::kPlaybackMode);
if (record_mode || playback_mode) {
// Don't use existing cookies and use an in-memory store.
context->cookie_store_ = new net::CookieMonster();
cache->set_mode(
record_mode ? net::HttpCache::RECORD : net::HttpCache::PLAYBACK);
}
context->http_transaction_factory_ = cache;
// setup cookie store
if (!context->cookie_store_) {
DCHECK(!cookie_store_path.empty());
context->cookie_db_.reset(new SQLitePersistentCookieStore(
cookie_store_path.ToWStringHack(),
g_browser_process->db_thread()->message_loop()));
context->cookie_store_ = new net::CookieMonster(context->cookie_db_.get());
}
return context;
}
// static
ChromeURLRequestContext* ChromeURLRequestContext::CreateOffTheRecord(
Profile* profile) {
DCHECK(profile->IsOffTheRecord());
ChromeURLRequestContext* context = new ChromeURLRequestContext(profile);
// Share the same proxy service as the original profile. This proxy
// service's lifespan is dependent on the lifespan of the original profile,
// which we reference (see above).
context->proxy_service_ =
profile->GetOriginalProfile()->GetRequestContext()->proxy_service();
context->http_transaction_factory_ =
new net::HttpCache(context->proxy_service_, 0);
context->cookie_store_ = new net::CookieMonster;
return context;
}
ChromeURLRequestContext::ChromeURLRequestContext(Profile* profile)
: prefs_(profile->GetPrefs()),
is_off_the_record_(profile->IsOffTheRecord()) {
// Set up Accept-Language and Accept-Charset header values
accept_language_ = net::HttpUtil::GenerateAcceptLanguageHeader(
WideToASCII(prefs_->GetString(prefs::kAcceptLanguages)));
accept_charset_ = net::HttpUtil::GenerateAcceptCharsetHeader(
WideToASCII(prefs_->GetString(prefs::kDefaultCharset)));
cookie_policy_.SetType(net::CookiePolicy::FromInt(
prefs_->GetInteger(prefs::kCookieBehavior)));
if (profile->GetExtensionsService()) {
const ExtensionList* extensions =
profile->GetExtensionsService()->extensions();
for (ExtensionList::const_iterator iter = extensions->begin();
iter != extensions->end(); ++iter) {
extension_paths_[(*iter)->id()] = (*iter)->path();
}
}
if (profile->GetUserScriptMaster())
user_script_dir_path_ = profile->GetUserScriptMaster()->user_script_dir();
prefs_->AddPrefObserver(prefs::kAcceptLanguages, this);
prefs_->AddPrefObserver(prefs::kCookieBehavior, this);
NotificationService::current()->AddObserver(
this, NotificationType::EXTENSIONS_LOADED,
NotificationService::AllSources());
}
// NotificationObserver implementation.
void ChromeURLRequestContext::Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
if (NotificationType::PREF_CHANGED == type) {
std::wstring* pref_name_in = Details<std::wstring>(details).ptr();
PrefService* prefs = Source<PrefService>(source).ptr();
DCHECK(pref_name_in && prefs);
if (*pref_name_in == prefs::kAcceptLanguages) {
std::string accept_language =
WideToASCII(prefs->GetString(prefs::kAcceptLanguages));
g_browser_process->io_thread()->message_loop()->PostTask(FROM_HERE,
NewRunnableMethod(this,
&ChromeURLRequestContext::OnAcceptLanguageChange,
accept_language));
} else if (*pref_name_in == prefs::kCookieBehavior) {
net::CookiePolicy::Type type = net::CookiePolicy::FromInt(
prefs_->GetInteger(prefs::kCookieBehavior));
g_browser_process->io_thread()->message_loop()->PostTask(FROM_HERE,
NewRunnableMethod(this,
&ChromeURLRequestContext::OnCookiePolicyChange,
type));
}
} else if (NotificationType::EXTENSIONS_LOADED == type) {
ExtensionPaths* new_paths = new ExtensionPaths;
ExtensionList* extensions = Details<ExtensionList>(details).ptr();
DCHECK(extensions);
for (ExtensionList::const_iterator iter = extensions->begin();
iter != extensions->end(); ++iter) {
new_paths->insert(ExtensionPaths::value_type((*iter)->id(),
(*iter)->path()));
}
g_browser_process->io_thread()->message_loop()->PostTask(FROM_HERE,
NewRunnableMethod(this, &ChromeURLRequestContext::OnNewExtensions,
new_paths));
} else {
NOTREACHED();
}
}
void ChromeURLRequestContext::CleanupOnUIThread() {
// Unregister for pref notifications.
prefs_->RemovePrefObserver(prefs::kAcceptLanguages, this);
prefs_->RemovePrefObserver(prefs::kCookieBehavior, this);
prefs_ = NULL;
NotificationService::current()->RemoveObserver(
this, NotificationType::EXTENSIONS_LOADED,
NotificationService::AllSources());
}
FilePath ChromeURLRequestContext::GetPathForExtension(const std::string& id) {
ExtensionPaths::iterator iter = extension_paths_.find(id);
if (iter != extension_paths_.end()) {
return iter->second;
} else {
return FilePath();
}
}
const std::string& ChromeURLRequestContext::GetUserAgent(
const GURL& url) const {
return webkit_glue::GetUserAgent(url);
}
void ChromeURLRequestContext::OnAcceptLanguageChange(
std::string accept_language) {
DCHECK(MessageLoop::current() ==
ChromeThread::GetMessageLoop(ChromeThread::IO));
accept_language_ =
net::HttpUtil::GenerateAcceptLanguageHeader(accept_language);
}
void ChromeURLRequestContext::OnCookiePolicyChange(
net::CookiePolicy::Type type) {
DCHECK(MessageLoop::current() ==
ChromeThread::GetMessageLoop(ChromeThread::IO));
cookie_policy_.SetType(type);
}
void ChromeURLRequestContext::OnNewExtensions(ExtensionPaths* new_paths) {
extension_paths_.insert(new_paths->begin(), new_paths->end());
delete new_paths;
}
ChromeURLRequestContext::~ChromeURLRequestContext() {
DCHECK(NULL == prefs_);
NotificationService::current()->Notify(
NotificationType::URL_REQUEST_CONTEXT_RELEASED,
Source<URLRequestContext>(this),
NotificationService::NoDetails());
delete cookie_store_;
delete http_transaction_factory_;
// Do not delete the proxy service in the case of OTR, as it is owned by the
// original URLRequestContext.
if (!is_off_the_record_)
delete proxy_service_;
}
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