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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/pepper_broker_infobar_delegate.h"
#include "base/prefs/pref_service.h"
#include "chrome/browser/content_settings/host_content_settings_map.h"
#include "chrome/browser/content_settings/tab_specific_content_settings.h"
#include "chrome/browser/infobars/infobar.h"
#include "chrome/browser/infobars/infobar_service.h"
#include "chrome/browser/plugins/plugin_finder.h"
#include "chrome/browser/plugins/plugin_metadata.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/pref_names.h"
#include "content/public/browser/page_navigator.h"
#include "content/public/browser/plugin_service.h"
#include "content/public/browser/user_metrics.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/referrer.h"
#include "content/public/common/webplugininfo.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
#include "net/base/net_util.h"
#include "ui/base/l10n/l10n_util.h"
#if defined(GOOGLE_TV)
#include "base/android/context_types.h"
#endif
// static
void PepperBrokerInfoBarDelegate::Create(
content::WebContents* web_contents,
const GURL& url,
const base::FilePath& plugin_path,
const base::Callback<void(bool)>& callback) {
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
// TODO(wad): Add ephemeral device ID support for broker in guest mode.
if (profile->IsGuestSession()) {
callback.Run(false);
return;
}
TabSpecificContentSettings* tab_content_settings =
TabSpecificContentSettings::FromWebContents(web_contents);
#if defined(OS_CHROMEOS)
// On ChromeOS, we're ok with granting broker access to the Netflix and
// Widevine plugins, since they can only come installed with the OS.
const char kWidevinePluginFileName[] = "libwidevinecdmadapter.so";
const char kNetflixDomain[] = "netflix.com";
base::FilePath plugin_file_name = plugin_path.BaseName();
if (plugin_file_name.value() == FILE_PATH_LITERAL(kWidevinePluginFileName) &&
url.DomainIs(kNetflixDomain)) {
tab_content_settings->SetPepperBrokerAllowed(true);
callback.Run(true);
return;
}
#endif
#if defined(GOOGLE_TV)
// On GoogleTV, Netflix crypto/mdx plugin and DRM server adapter plugin can
// only come pre-installed with the OS, so we're willing to auto-grant access
// to them. PluginRootName should be matched with PEPPER_PLUGIN_ROOT
// in PepperPluginManager.java.
const char kPluginRootName[] = "/system/lib/pepperplugin";
const char kNetflixCryptoPluginFileName[] = "libnrddpicrypto.so";
const char kNetflixMdxPluginFileName[] = "libnrdmdx.so";
const char kDrmServerAdapterPluginFileName[] = "libdrmserveradapter.so";
base::FilePath::StringType plugin_dir_name = plugin_path.DirName().value();
base::FilePath::StringType plugin_file_name = plugin_path.BaseName().value();
if (base::android::IsRunningInWebapp() &&
plugin_dir_name == FILE_PATH_LITERAL(kPluginRootName) &&
(plugin_file_name == FILE_PATH_LITERAL(kNetflixCryptoPluginFileName) ||
plugin_file_name == FILE_PATH_LITERAL(kNetflixMdxPluginFileName) ||
plugin_file_name ==
FILE_PATH_LITERAL(kDrmServerAdapterPluginFileName))) {
tab_content_settings->SetPepperBrokerAllowed(true);
callback.Run(true);
return;
}
#endif
HostContentSettingsMap* content_settings =
profile->GetHostContentSettingsMap();
ContentSetting setting =
content_settings->GetContentSetting(url, url,
CONTENT_SETTINGS_TYPE_PPAPI_BROKER,
std::string());
if (setting == CONTENT_SETTING_ASK) {
content::RecordAction(
content::UserMetricsAction("PPAPI.BrokerInfobarDisplayed"));
InfoBarService* infobar_service =
InfoBarService::FromWebContents(web_contents);
infobar_service->AddInfoBar(ConfirmInfoBarDelegate::CreateInfoBar(
scoped_ptr<ConfirmInfoBarDelegate>(new PepperBrokerInfoBarDelegate(
url, plugin_path,
profile->GetPrefs()->GetString(prefs::kAcceptLanguages),
content_settings, tab_content_settings, callback))));
return;
}
bool allowed = (setting == CONTENT_SETTING_ALLOW);
content::RecordAction(allowed ?
content::UserMetricsAction("PPAPI.BrokerSettingAllow") :
content::UserMetricsAction("PPAPI.BrokerSettingDeny"));
tab_content_settings->SetPepperBrokerAllowed(allowed);
callback.Run(allowed);
}
PepperBrokerInfoBarDelegate::PepperBrokerInfoBarDelegate(
const GURL& url,
const base::FilePath& plugin_path,
const std::string& languages,
HostContentSettingsMap* content_settings,
TabSpecificContentSettings* tab_content_settings,
const base::Callback<void(bool)>& callback)
: ConfirmInfoBarDelegate(),
url_(url),
plugin_path_(plugin_path),
languages_(languages),
content_settings_(content_settings),
tab_content_settings_(tab_content_settings),
callback_(callback) {
}
PepperBrokerInfoBarDelegate::~PepperBrokerInfoBarDelegate() {
if (!callback_.is_null())
callback_.Run(false);
}
int PepperBrokerInfoBarDelegate::GetIconID() const {
return IDR_INFOBAR_PLUGIN_INSTALL;
}
base::string16 PepperBrokerInfoBarDelegate::GetMessageText() const {
content::PluginService* plugin_service =
content::PluginService::GetInstance();
content::WebPluginInfo plugin;
bool success = plugin_service->GetPluginInfoByPath(plugin_path_, &plugin);
DCHECK(success);
scoped_ptr<PluginMetadata> plugin_metadata(
PluginFinder::GetInstance()->GetPluginMetadata(plugin));
return l10n_util::GetStringFUTF16(IDS_PEPPER_BROKER_MESSAGE,
plugin_metadata->name(),
net::FormatUrl(url_.GetOrigin(),
languages_));
}
base::string16 PepperBrokerInfoBarDelegate::GetButtonLabel(
InfoBarButton button) const {
return l10n_util::GetStringUTF16((button == BUTTON_OK) ?
IDS_PEPPER_BROKER_ALLOW_BUTTON : IDS_PEPPER_BROKER_DENY_BUTTON);
}
bool PepperBrokerInfoBarDelegate::Accept() {
DispatchCallback(true);
return true;
}
bool PepperBrokerInfoBarDelegate::Cancel() {
DispatchCallback(false);
return true;
}
base::string16 PepperBrokerInfoBarDelegate::GetLinkText() const {
return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
}
bool PepperBrokerInfoBarDelegate::LinkClicked(
WindowOpenDisposition disposition) {
GURL learn_more_url("https://support.google.com/chrome/?p=ib_pepper_broker");
web_contents()->OpenURL(content::OpenURLParams(
learn_more_url, content::Referrer(),
(disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
content::PAGE_TRANSITION_LINK, false));
return false;
}
void PepperBrokerInfoBarDelegate::DispatchCallback(bool result) {
content::RecordAction(result ?
content::UserMetricsAction("PPAPI.BrokerInfobarClickedAllow") :
content::UserMetricsAction("PPAPI.BrokerInfobarClickedDeny"));
callback_.Run(result);
callback_ = base::Callback<void(bool)>();
content_settings_->SetContentSetting(
ContentSettingsPattern::FromURLNoWildcard(url_),
ContentSettingsPattern::Wildcard(),
CONTENT_SETTINGS_TYPE_PPAPI_BROKER,
std::string(), result ? CONTENT_SETTING_ALLOW : CONTENT_SETTING_BLOCK);
tab_content_settings_->SetPepperBrokerAllowed(result);
}
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