Add IPCs to check web copy/cut/paste for extensions with the appropriate permission bit.

content/browser/renderer_host/render_message_filter.cc

 // Copyright (c) 2011 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 "content/browser/renderer_host/render_message_filter.h"
 
 #include <map>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 22 matching lines @@
 #include "content/browser/plugin_process_host.h"
 #include "content/browser/plugin_service.h"
 #include "content/browser/ppapi_plugin_process_host.h"
 #include "content/browser/ppapi_broker_process_host.h"
 #include "content/browser/renderer_host/browser_render_process_host.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/renderer_host/render_view_host_notification_task.h"
 #include "content/browser/renderer_host/render_widget_helper.h"
 #include "content/common/desktop_notification_messages.h"
 #include "content/common/notification_service.h"
+#include "content/common/url_constants.h"
 #include "content/common/view_messages.h"
 #include "ipc/ipc_channel_handle.h"
 #include "net/base/cookie_monster.h"
 #include "net/base/host_resolver_impl.h"
 #include "net/base/io_buffer.h"
 #include "net/base/keygen_handler.h"
 #include "net/base/mime_util.h"
 #include "net/base/net_errors.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/http/http_cache.h"
@@ skipping 305 matching lines @@
     IPC_MESSAGE_HANDLER(ViewHostMsg_OpenChannelToPpapiBroker,
                         OnOpenChannelToPpapiBroker)
     IPC_MESSAGE_HANDLER_GENERIC(ViewHostMsg_UpdateRect,
         render_widget_helper_->DidReceiveUpdateMsg(message))
     IPC_MESSAGE_HANDLER(DesktopNotificationHostMsg_CheckPermission,
                         OnCheckNotificationPermission)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RevealFolderInOS, OnRevealFolderInOS)
     IPC_MESSAGE_HANDLER(ViewHostMsg_AllocateSharedMemoryBuffer,
                         OnAllocateSharedMemoryBuffer)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidZoomURL, OnDidZoomURL)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_CanTriggerClipboardRead,
+                        OnCanTriggerClipboardRead)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_CanTriggerClipboardWrite,
+                        OnCanTriggerClipboardWrite)
 #if defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(ViewHostMsg_AllocTransportDIB, OnAllocTransportDIB)
     IPC_MESSAGE_HANDLER(ViewHostMsg_FreeTransportDIB, OnFreeTransportDIB)
 #endif
     IPC_MESSAGE_HANDLER(ViewHostMsg_CloseCurrentConnections,
                         OnCloseCurrentConnections)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetCacheMode, OnSetCacheMode)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(ViewHostMsg_ClearCache, OnClearCache)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ClearHostResolverCache,
                         OnClearHostResolverCache)
@@ skipping 321 matching lines @@
 void RenderMessageFilter::OnDidZoomURL(const IPC::Message& message,
                                        double zoom_level,
                                        bool remember,
                                        const GURL& url) {
   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
       NewRunnableMethod(this,
           &RenderMessageFilter::UpdateHostZoomLevelsOnUIThread,
           zoom_level, remember, url, render_process_id_, message.routing_id()));
 }
 
+void RenderMessageFilter::OnCanTriggerClipboardRead(const GURL& url,
+                                                    bool* allowed) {
+  ChromeURLRequestContext* context = GetRequestContextForURL(url);
+  *allowed = context->extension_info_map()->CheckURLAccessToExtensionPermission(
+      url, Extension::kClipboardReadPermission);
+}
+
+void RenderMessageFilter::OnCanTriggerClipboardWrite(const GURL& url,
+                                                     bool* allowed) {
+  ChromeURLRequestContext* context = GetRequestContextForURL(url);
+  // Since all extensions could historically write to the clipboard, preserve it
+  // for compatibility.
+  *allowed = url.SchemeIs(chrome::kExtensionScheme) ||
+      context->extension_info_map()->CheckURLAccessToExtensionPermission(
+          url, Extension::kClipboardWritePermission);
+}
+
 void RenderMessageFilter::UpdateHostZoomLevelsOnUIThread(
     double zoom_level,
     bool remember,
     const GURL& url,
     int render_process_id,
     int render_view_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (remember) {
     host_zoom_map_->SetZoomLevel(url, zoom_level);
     // Notify renderers from this profile.
@@ skipping 349 matching lines @@
 
     ViewHostMsg_GetRawCookies::WriteReplyParams(reply_msg_, cookies);
     filter_->Send(reply_msg_);
     delete this;
   }
 }
 
 void GetCookiesCompletion::set_cookie_store(CookieStore* cookie_store) {
   cookie_store_ = cookie_store;
 }