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// Copyright 2014 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/plugins/chrome_content_browser_client_plugins_part.h"
#include "base/command_line.h"
#include "chrome/browser/plugins/plugin_info_message_filter.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/chrome_version_info.h"
#include "chrome/common/pepper_permission_util.h"
#include "content/public/browser/render_process_host.h"
#include "ppapi/host/ppapi_host.h"
#include "ppapi/shared_impl/ppapi_switches.h"
#if defined(ENABLE_EXTENSIONS)
#include "chrome/browser/extensions/extension_service.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/common/constants.h"
#include "extensions/common/permissions/permissions_data.h"
#include "extensions/common/permissions/socket_permission.h"
#endif
namespace plugins {
ChromeContentBrowserClientPluginsPart::ChromeContentBrowserClientPluginsPart() {
}
ChromeContentBrowserClientPluginsPart::
~ChromeContentBrowserClientPluginsPart() {
}
void ChromeContentBrowserClientPluginsPart::RenderProcessWillLaunch(
content::RenderProcessHost* host) {
Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
host->AddFilter(new PluginInfoMessageFilter(host->GetID(), profile));
}
bool ChromeContentBrowserClientPluginsPart::
IsPluginAllowedToCallRequestOSFileHandle(
content::BrowserContext* browser_context,
const GURL& url,
const std::set<std::string>& allowed_file_handle_origins) {
#if defined(ENABLE_EXTENSIONS)
Profile* profile = Profile::FromBrowserContext(browser_context);
const extensions::ExtensionSet* extension_set = NULL;
if (profile) {
extension_set =
&extensions::ExtensionRegistry::Get(profile)->enabled_extensions();
}
return chrome::IsExtensionOrSharedModuleWhitelisted(
url, extension_set, allowed_file_handle_origins) ||
chrome::IsHostAllowedByCommandLine(
url, extension_set, ::switches::kAllowNaClFileHandleAPI);
#else
return false;
#endif
}
bool ChromeContentBrowserClientPluginsPart::AllowPepperSocketAPI(
content::BrowserContext* browser_context,
const GURL& url,
bool private_api,
const content::SocketPermissionRequest* params,
const std::set<std::string>& allowed_socket_origin) {
#if defined(ENABLE_EXTENSIONS)
Profile* profile = Profile::FromBrowserContext(browser_context);
const extensions::ExtensionSet* extension_set = NULL;
if (profile) {
extension_set =
&extensions::ExtensionRegistry::Get(profile)->enabled_extensions();
}
if (private_api) {
// Access to private socket APIs is controlled by the whitelist.
if (chrome::IsExtensionOrSharedModuleWhitelisted(url, extension_set,
allowed_socket_origin)) {
return true;
}
} else {
// Access to public socket APIs is controlled by extension permissions.
if (url.is_valid() && url.SchemeIs(extensions::kExtensionScheme) &&
extension_set) {
const extensions::Extension* extension =
extension_set->GetByID(url.host());
if (extension) {
const extensions::PermissionsData* permissions_data =
extension->permissions_data();
if (params) {
extensions::SocketPermission::CheckParam check_params(
params->type, params->host, params->port);
if (permissions_data->CheckAPIPermissionWithParam(
extensions::APIPermission::kSocket, &check_params)) {
return true;
}
} else if (permissions_data->HasAPIPermission(
extensions::APIPermission::kSocket)) {
return true;
}
}
}
}
// Allow both public and private APIs if the command line says so.
return chrome::IsHostAllowedByCommandLine(url, extension_set,
::switches::kAllowNaClSocketAPI);
#else
return false;
#endif
}
bool ChromeContentBrowserClientPluginsPart::IsPluginAllowedToUseDevChannelAPIs(
content::BrowserContext* browser_context,
const GURL& url,
const std::set<std::string>& allowed_dev_channel_origins) {
// Allow access for tests.
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnablePepperTesting)) {
return true;
}
#if defined(ENABLE_EXTENSIONS)
Profile* profile = Profile::FromBrowserContext(browser_context);
const extensions::ExtensionSet* extension_set = NULL;
if (profile) {
extension_set =
&extensions::ExtensionRegistry::Get(profile)->enabled_extensions();
}
// Allow access for whitelisted applications.
if (chrome::IsExtensionOrSharedModuleWhitelisted(
url, extension_set, allowed_dev_channel_origins)) {
return true;
}
#endif
chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
// Allow dev channel APIs to be used on "Canary", "Dev", and "Unknown"
// releases of Chrome. Permitting "Unknown" allows these APIs to be used on
// Chromium builds as well.
return channel <= chrome::VersionInfo::CHANNEL_DEV;
}
void ChromeContentBrowserClientPluginsPart::DidCreatePpapiPlugin(
content::BrowserPpapiHost* browser_host) {
browser_host->GetPpapiHost()->AddHostFactoryFilter(
scoped_ptr<ppapi::host::HostFactory>(
new chrome::ChromeBrowserPepperHostFactory(browser_host)));
}
} // namespace plugins
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