Split ChromeContentBrowserClient into smaller parts.

chrome/browser/extensions/chrome_content_browser_client_extensions_part.cc

 // 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/extensions/chrome_content_browser_client_extensions_part.h"
 
 #include <set>
 
 #include "base/command_line.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/api/web_request/web_request_api.h"
 #include "chrome/browser/extensions/browser_permissions_policy_delegate.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_web_ui.h"
 #include "chrome/browser/extensions/extension_webkit_preferences.h"
 #include "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_io_data.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/renderer_host/chrome_extension_message_filter.h"
 #include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
 #include "chrome/common/chrome_constants.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/common/chrome_version_info.h"
 #include "chrome/common/extensions/extension_process_policy.h"
 #include "chrome/common/extensions/manifest_handlers/app_isolation_info.h"
+#include "chrome/common/pepper_permission_util.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/browser_url_handler.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_switches.h"
 #include "extensions/browser/extension_host.h"
 #include "extensions/browser/extension_message_filter.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/info_map.h"
 #include "extensions/browser/view_type_utils.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/manifest_handlers/background_info.h"
 #include "extensions/common/manifest_handlers/web_accessible_resources_info.h"
+#include "extensions/common/permissions/socket_permission.h"
 #include "extensions/common/switches.h"
 
 using content::BrowserThread;
 using content::BrowserURLHandler;
 using content::RenderViewHost;
 using content::SiteInstance;
 using content::WebContents;
 using content::WebPreferences;
 
 namespace extensions {
@@ skipping 333 matching lines @@
       Profile::FromBrowserContext(site_instance->GetBrowserContext());
   DCHECK(profile);
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&InfoMap::SetSigninProcess,
                  ExtensionSystem::Get(profile)->info_map(),
                  site_instance->GetProcess()->GetID()));
 }
 
+// static
+bool ChromeContentBrowserClientExtensionsPart::
+    IsPluginAllowedToCallRequestOSFileHandle(
+        content::BrowserContext* browser_context,
+        const GURL& url,
+        const std::set<std::string>& allowed_file_handle_origins) {
+  Profile* profile = Profile::FromBrowserContext(browser_context);

[Lei Zhang, 2014/09/23 01:15:11]

I know you are just cutting+pasting code here, but ExtensionSystem::Get()
actually takes a BrowserContext*, so you don't need this conversion to a
Profile* here.

+  const extensions::ExtensionSet* extension_set = NULL;
+  if (profile) {
+    const ExtensionService* ext_service =
+        extensions::ExtensionSystem::Get(profile)->extension_service();
+    if (ext_service) {
+      extension_set = ext_service->extensions();
+    }
+  }
+  return chrome::IsExtensionOrSharedModuleWhitelisted(
+             url, extension_set, allowed_file_handle_origins) ||
+         chrome::IsHostAllowedByCommandLine(
+             url, extension_set, ::switches::kAllowNaClFileHandleAPI);
+}
+
+bool ChromeContentBrowserClientExtensionsPart::AllowPepperSocketAPI(
+    content::BrowserContext* browser_context,
+    const GURL& url,
+    bool private_api,
+    const content::SocketPermissionRequest* params,
+    const std::set<std::string>& whitelist) {
+  Profile* profile = Profile::FromBrowserContext(browser_context);
+  const extensions::ExtensionSet* extension_set = NULL;
+  if (profile) {
+    const ExtensionService* ext_service =
+        extensions::ExtensionSystem::Get(profile)->extension_service();
+    if (ext_service) {
+      extension_set = ext_service->extensions();
+    }
+  }
+
+  if (private_api) {
+    // Access to private socket APIs is controlled by the whitelist.
+    if (chrome::IsExtensionOrSharedModuleWhitelisted(
+            url, extension_set, whitelist)) {
+      return true;
+    }
+  } else {
+    // Access to public socket APIs is controlled by extension permissions.
+    if (url.is_valid() && url.SchemeIs(extensions::kExtensionScheme) &&
+        extension_set) {
+      const 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);
+}
+
+bool
+ChromeContentBrowserClientExtensionsPart::IsPluginAllowedToUseDevChannelAPIs(
+    content::BrowserContext* browser_context,
+    const GURL& url,
+    const std::set<std::string>& allowed_dev_channel_origins) {
+  Profile* profile = Profile::FromBrowserContext(browser_context);
+  const extensions::ExtensionSet* extension_set = NULL;
+  if (profile) {
+    const ExtensionService* ext_service =
+        extensions::ExtensionSystem::Get(profile)->extension_service();
+    if (ext_service) {
+      extension_set = ext_service->extensions();
+    }
+  }
+
+  // Allow access for whitelisted applications.
+  if (chrome::IsExtensionOrSharedModuleWhitelisted(
+          url, extension_set, allowed_dev_channel_origins)) {
+    return true;
+  }
+
+  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 ChromeContentBrowserClientExtensionsPart::RenderProcessWillLaunch(
     content::RenderProcessHost* host) {
   int id = host->GetID();
   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
 
   host->AddFilter(new ChromeExtensionMessageFilter(id, profile));
   host->AddFilter(new ExtensionMessageFilter(id, profile));
   SendExtensionWebRequestStatusToHost(host);
 }
 
@@ skipping 124 matching lines @@
   DCHECK(profile);
   if (ProcessMap::Get(profile)->Contains(process->GetID())) {
     command_line->AppendSwitch(switches::kExtensionProcess);
 #if defined(ENABLE_WEBRTC)
     command_line->AppendSwitch(::switches::kEnableWebRtcHWH264Encoding);
 #endif
   }
 }
 
 }  // namespace extensions