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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 "android_webview/browser/aw_browser_context.h"
#include "android_webview/browser/aw_form_database_service.h"
#include "android_webview/browser/aw_permission_manager.h"
#include "android_webview/browser/aw_pref_store.h"
#include "android_webview/browser/aw_quota_manager_bridge.h"
#include "android_webview/browser/aw_resource_context.h"
#include "android_webview/browser/jni_dependency_factory.h"
#include "android_webview/browser/net/aw_url_request_context_getter.h"
#include "android_webview/browser/net/init_native_callback.h"
#include "android_webview/common/aw_content_client.h"
#include "base/base_paths_android.h"
#include "base/bind.h"
#include "base/path_service.h"
#include "base/prefs/pref_registry_simple.h"
#include "base/prefs/pref_service.h"
#include "base/prefs/pref_service_factory.h"
#include "components/autofill/core/common/autofill_pref_names.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_compression_stats.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_prefs.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_service.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h"
#include "components/data_reduction_proxy/core/common/data_reduction_proxy_params.h"
#include "components/user_prefs/user_prefs.h"
#include "components/visitedlink/browser/visitedlink_master.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/ssl_host_state_delegate.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/browser/web_contents.h"
#include "net/cookies/cookie_store.h"
#include "net/proxy/proxy_config_service_android.h"
#include "net/proxy/proxy_service.h"
using base::FilePath;
using content::BrowserThread;
namespace android_webview {
namespace {
// Shows notifications which correspond to PersistentPrefStore's reading errors.
void HandleReadError(PersistentPrefStore::PrefReadError error) {
}
void DeleteDirRecursively(const base::FilePath& path) {
if (!base::DeleteFile(path, true)) {
// Deleting a non-existent file is considered successful, so this will
// trigger only in case of real errors.
LOG(WARNING) << "Failed to delete " << path.AsUTF8Unsafe();
}
}
AwBrowserContext* g_browser_context = NULL;
net::ProxyConfigService* CreateProxyConfigService() {
net::ProxyConfigServiceAndroid* config_service =
static_cast<net::ProxyConfigServiceAndroid*>(
net::ProxyService::CreateSystemProxyConfigService(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO),
nullptr /* Ignored on Android */ ));
config_service->set_exclude_pac_url(true);
return config_service;
}
} // namespace
// Data reduction proxy is disabled by default.
bool AwBrowserContext::data_reduction_proxy_enabled_ = false;
// Delete the legacy cache dir (in the app data dir) in 10 seconds after init.
int AwBrowserContext::legacy_cache_removal_delay_ms_ = 10000;
AwBrowserContext::AwBrowserContext(
const FilePath path,
JniDependencyFactory* native_factory)
: context_storage_path_(path),
native_factory_(native_factory) {
DCHECK(!g_browser_context);
g_browser_context = this;
// This constructor is entered during the creation of ContentBrowserClient,
// before browser threads are created. Therefore any checks to enforce
// threading (such as BrowserThread::CurrentlyOn()) will fail here.
}
AwBrowserContext::~AwBrowserContext() {
DCHECK_EQ(this, g_browser_context);
g_browser_context = NULL;
}
// static
AwBrowserContext* AwBrowserContext::GetDefault() {
// TODO(joth): rather than store in a global here, lookup this instance
// from the Java-side peer.
return g_browser_context;
}
// static
AwBrowserContext* AwBrowserContext::FromWebContents(
content::WebContents* web_contents) {
// This is safe; this is the only implementation of the browser context.
return static_cast<AwBrowserContext*>(web_contents->GetBrowserContext());
}
// static
void AwBrowserContext::SetDataReductionProxyEnabled(bool enabled) {
// Cache the setting value. It is possible that data reduction proxy is
// not created yet.
data_reduction_proxy_enabled_ = enabled;
AwBrowserContext* context = AwBrowserContext::GetDefault();
// Can't enable Data reduction proxy if user pref service is not ready.
if (context == NULL || context->user_pref_service_.get() == NULL)
return;
data_reduction_proxy::DataReductionProxySettings* proxy_settings =
context->GetDataReductionProxySettings();
if (proxy_settings == NULL)
return;
// At this point, context->PreMainMessageLoopRun() has run, so
// context->data_reduction_proxy_io_data() is valid.
DCHECK(context->GetDataReductionProxyIOData());
context->CreateDataReductionProxyStatisticsIfNecessary();
proxy_settings->SetDataReductionProxyEnabled(data_reduction_proxy_enabled_);
}
// static
void AwBrowserContext::SetLegacyCacheRemovalDelayForTest(int delay_ms) {
legacy_cache_removal_delay_ms_ = delay_ms;
}
void AwBrowserContext::PreMainMessageLoopRun() {
cookie_store_ = CreateCookieStore(this);
FilePath cache_path;
const FilePath fallback_cache_dir =
GetPath().Append(FILE_PATH_LITERAL("Cache"));
if (PathService::Get(base::DIR_CACHE, &cache_path)) {
cache_path = cache_path.Append(
FILE_PATH_LITERAL("org.chromium.android_webview"));
// Delay the legacy dir removal to not impact startup performance.
BrowserThread::PostDelayedTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(&DeleteDirRecursively, fallback_cache_dir),
base::TimeDelta::FromMilliseconds(legacy_cache_removal_delay_ms_));
} else {
cache_path = fallback_cache_dir;
LOG(WARNING) << "Failed to get cache directory for Android WebView. "
<< "Using app data directory as a fallback.";
}
url_request_context_getter_ =
new AwURLRequestContextGetter(
cache_path, cookie_store_.get(),
make_scoped_ptr(CreateProxyConfigService()).Pass());
data_reduction_proxy_io_data_.reset(
new data_reduction_proxy::DataReductionProxyIOData(
data_reduction_proxy::Client::WEBVIEW_ANDROID,
data_reduction_proxy::DataReductionProxyParams::kAllowed,
url_request_context_getter_->GetNetLog(),
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO),
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
false /* enable */,
false /* enable_quic */,
GetUserAgent()));
data_reduction_proxy_settings_.reset(
new data_reduction_proxy::DataReductionProxySettings());
data_reduction_proxy_service_.reset(
new data_reduction_proxy::DataReductionProxyService(
scoped_ptr<
data_reduction_proxy::DataReductionProxyCompressionStats>(),
data_reduction_proxy_settings_.get(), nullptr,
GetAwURLRequestContext(),
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)));
data_reduction_proxy_io_data_->SetDataReductionProxyService(
data_reduction_proxy_service_->GetWeakPtr());
visitedlink_master_.reset(
new visitedlink::VisitedLinkMaster(this, this, false));
visitedlink_master_->Init();
form_database_service_.reset(
new AwFormDatabaseService(context_storage_path_));
}
void AwBrowserContext::AddVisitedURLs(const std::vector<GURL>& urls) {
DCHECK(visitedlink_master_);
visitedlink_master_->AddURLs(urls);
}
net::URLRequestContextGetter* AwBrowserContext::CreateRequestContext(
content::ProtocolHandlerMap* protocol_handlers,
content::URLRequestInterceptorScopedVector request_interceptors) {
// This function cannot actually create the request context because
// there is a reentrant dependency on GetResourceContext() via
// content::StoragePartitionImplMap::Create(). This is not fixable
// until http://crbug.com/159193. Until then, assert that the context
// has already been allocated and just handle setting the protocol_handlers.
DCHECK(url_request_context_getter_.get());
url_request_context_getter_->SetHandlersAndInterceptors(
protocol_handlers, request_interceptors.Pass());
return url_request_context_getter_.get();
}
net::URLRequestContextGetter*
AwBrowserContext::CreateRequestContextForStoragePartition(
const base::FilePath& partition_path,
bool in_memory,
content::ProtocolHandlerMap* protocol_handlers,
content::URLRequestInterceptorScopedVector request_interceptors) {
NOTREACHED();
return NULL;
}
AwQuotaManagerBridge* AwBrowserContext::GetQuotaManagerBridge() {
if (!quota_manager_bridge_.get()) {
quota_manager_bridge_ = native_factory_->CreateAwQuotaManagerBridge(this);
}
return quota_manager_bridge_.get();
}
AwFormDatabaseService* AwBrowserContext::GetFormDatabaseService() {
return form_database_service_.get();
}
data_reduction_proxy::DataReductionProxySettings*
AwBrowserContext::GetDataReductionProxySettings() {
return data_reduction_proxy_settings_.get();
}
data_reduction_proxy::DataReductionProxyIOData*
AwBrowserContext::GetDataReductionProxyIOData() {
return data_reduction_proxy_io_data_.get();
}
AwURLRequestContextGetter* AwBrowserContext::GetAwURLRequestContext() {
return url_request_context_getter_.get();
}
AwMessagePortService* AwBrowserContext::GetMessagePortService() {
if (!message_port_service_.get()) {
message_port_service_.reset(
native_factory_->CreateAwMessagePortService());
}
return message_port_service_.get();
}
// Create user pref service for autofill functionality.
void AwBrowserContext::CreateUserPrefServiceIfNecessary() {
if (user_pref_service_)
return;
PrefRegistrySimple* pref_registry = new PrefRegistrySimple();
// We only use the autocomplete feature of the Autofill, which is
// controlled via the manager_delegate. We don't use the rest
// of autofill, which is why it is hardcoded as disabled here.
pref_registry->RegisterBooleanPref(
autofill::prefs::kAutofillEnabled, false);
pref_registry->RegisterDoublePref(
autofill::prefs::kAutofillPositiveUploadRate, 0.0);
pref_registry->RegisterDoublePref(
autofill::prefs::kAutofillNegativeUploadRate, 0.0);
data_reduction_proxy::RegisterSimpleProfilePrefs(pref_registry);
base::PrefServiceFactory pref_service_factory;
pref_service_factory.set_user_prefs(make_scoped_refptr(new AwPrefStore()));
pref_service_factory.set_read_error_callback(base::Bind(&HandleReadError));
user_pref_service_ = pref_service_factory.Create(pref_registry).Pass();
user_prefs::UserPrefs::Set(this, user_pref_service_.get());
if (data_reduction_proxy_settings_) {
data_reduction_proxy_settings_->InitDataReductionProxySettings(
user_pref_service_.get(), data_reduction_proxy_io_data_.get(),
data_reduction_proxy_service_.Pass());
data_reduction_proxy_settings_->MaybeActivateDataReductionProxy(true);
SetDataReductionProxyEnabled(data_reduction_proxy_enabled_);
}
}
scoped_ptr<content::ZoomLevelDelegate>
AwBrowserContext::CreateZoomLevelDelegate(
const base::FilePath& partition_path) {
return nullptr;
}
base::FilePath AwBrowserContext::GetPath() const {
return context_storage_path_;
}
bool AwBrowserContext::IsOffTheRecord() const {
// Android WebView does not support off the record profile yet.
return false;
}
net::URLRequestContextGetter* AwBrowserContext::GetRequestContext() {
return GetDefaultStoragePartition(this)->GetURLRequestContext();
}
net::URLRequestContextGetter*
AwBrowserContext::GetRequestContextForRenderProcess(
int renderer_child_id) {
return GetRequestContext();
}
net::URLRequestContextGetter* AwBrowserContext::GetMediaRequestContext() {
return GetRequestContext();
}
net::URLRequestContextGetter*
AwBrowserContext::GetMediaRequestContextForRenderProcess(
int renderer_child_id) {
return GetRequestContext();
}
net::URLRequestContextGetter*
AwBrowserContext::GetMediaRequestContextForStoragePartition(
const base::FilePath& partition_path,
bool in_memory) {
NOTREACHED();
return NULL;
}
content::ResourceContext* AwBrowserContext::GetResourceContext() {
if (!resource_context_) {
resource_context_.reset(
new AwResourceContext(url_request_context_getter_.get()));
}
return resource_context_.get();
}
content::DownloadManagerDelegate*
AwBrowserContext::GetDownloadManagerDelegate() {
return &download_manager_delegate_;
}
content::BrowserPluginGuestManager* AwBrowserContext::GetGuestManager() {
return NULL;
}
storage::SpecialStoragePolicy* AwBrowserContext::GetSpecialStoragePolicy() {
// Intentionally returning NULL as 'Extensions' and 'Apps' not supported.
return NULL;
}
content::PushMessagingService* AwBrowserContext::GetPushMessagingService() {
// TODO(johnme): Support push messaging in WebView.
return NULL;
}
content::SSLHostStateDelegate* AwBrowserContext::GetSSLHostStateDelegate() {
if (!ssl_host_state_delegate_.get()) {
ssl_host_state_delegate_.reset(new AwSSLHostStateDelegate());
}
return ssl_host_state_delegate_.get();
}
content::PermissionManager* AwBrowserContext::GetPermissionManager() {
if (!permission_manager_.get())
permission_manager_.reset(new AwPermissionManager());
return permission_manager_.get();
}
void AwBrowserContext::RebuildTable(
const scoped_refptr<URLEnumerator>& enumerator) {
// Android WebView rebuilds from WebChromeClient.getVisitedHistory. The client
// can change in the lifetime of this WebView and may not yet be set here.
// Therefore this initialization path is not used.
enumerator->OnComplete(true);
}
void AwBrowserContext::CreateDataReductionProxyStatisticsIfNecessary() {
DCHECK(user_pref_service_.get());
DCHECK(GetDataReductionProxySettings());
data_reduction_proxy::DataReductionProxyService*
data_reduction_proxy_service =
GetDataReductionProxySettings()->data_reduction_proxy_service();
DCHECK(data_reduction_proxy_service);
if (data_reduction_proxy_service->compression_stats())
return;
// We don't care about commit_delay for now. It is just a dummy value.
base::TimeDelta commit_delay = base::TimeDelta::FromMinutes(60);
data_reduction_proxy_service->EnableCompressionStatisticsLogging(
user_pref_service_.get(),
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
commit_delay);
}
} // namespace android_webview
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