chrome/browser/guestview/webview/plugin_permission_helper.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/guestview/webview/plugin_permission_helper.h"
   6
   7 #include "chrome/browser/guestview/webview/webview_guest.h"
   8 #include "chrome/browser/guestview/webview/webview_permission_types.h"
   9 #include "chrome/browser/plugins/chrome_plugin_service_filter.h"
  10 #include "chrome/common/render_messages.h"
  11 #include "content/public/browser/render_process_host.h"
  12 #include "content/public/browser/render_view_host.h"
  13 #include "content/public/browser/user_metrics.h"
  14
  15 using content::BrowserPluginGuestDelegate;
  16 using content::RenderViewHost;
  17 using content::WebContents;
  18
  19 DEFINE_WEB_CONTENTS_USER_DATA_KEY(PluginPermissionHelper);
  20
  21 PluginPermissionHelper::PluginPermissionHelper(WebContents* contents)
  22     : content::WebContentsObserver(contents),
  23       weak_factory_(this) {
  24 }
  25
  26 PluginPermissionHelper::~PluginPermissionHelper() {
  27 }
  28
  29 bool PluginPermissionHelper::OnMessageReceived(const IPC::Message& message) {
  30   IPC_BEGIN_MESSAGE_MAP(PluginPermissionHelper, message)
  31     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_BlockedUnauthorizedPlugin,
  32                         OnBlockedUnauthorizedPlugin)
  33     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_CouldNotLoadPlugin,
  34                         OnCouldNotLoadPlugin)
  35     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_BlockedOutdatedPlugin,
  36                         OnBlockedOutdatedPlugin)
  37     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_NPAPINotSupported,
  38                         OnNPAPINotSupported)
  39     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_OpenAboutPlugins,
  40                         OnOpenAboutPlugins)
  41 #if defined(ENABLE_PLUGIN_INSTALLATION)
  42     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_FindMissingPlugin,
  43                         OnFindMissingPlugin)
  44     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_RemovePluginPlaceholderHost,
  45                         OnRemovePluginPlaceholderHost)
  46 #endif
  47     IPC_MESSAGE_UNHANDLED(return false)
  48   IPC_END_MESSAGE_MAP()
  49
  50   return true;
  51 }
  52
  53 void PluginPermissionHelper::OnBlockedUnauthorizedPlugin(
  54     const base::string16& name,
  55     const std::string& identifier) {
  56   const char kPluginName[] = "name";
  57   const char kPluginIdentifier[] = "identifier";
  58
  59   WebViewGuest* webview = WebViewGuest::FromWebContents(web_contents());
  60   if (!webview)
  61     return;
  62
  63   base::DictionaryValue info;
  64   info.SetString(std::string(kPluginName), name);
  65   info.SetString(std::string(kPluginIdentifier), identifier);
  66   webview->RequestPermission(static_cast<BrowserPluginPermissionType>(
  67           WEB_VIEW_PERMISSION_TYPE_LOAD_PLUGIN),
  68       info,
  69       base::Bind(&PluginPermissionHelper::OnPermissionResponse,
  70                  weak_factory_.GetWeakPtr(),
  71                  identifier),
  72       true /* allowed_by_default */);
  73   content::RecordAction(
  74       base::UserMetricsAction("WebView.Guest.PluginLoadRequest"));
  75 }
  76
  77 void PluginPermissionHelper::OnCouldNotLoadPlugin(
  78     const base::FilePath& plugin_path) {
  79 }
  80
  81 void PluginPermissionHelper::OnBlockedOutdatedPlugin(
  82     int placeholder_id,
  83     const std::string& identifier) {
  84 }
  85
  86 void PluginPermissionHelper::OnNPAPINotSupported(const std::string& id) {
  87 }
  88
  89 void PluginPermissionHelper::OnOpenAboutPlugins() {
  90 }
  91
  92 #if defined(ENABLE_PLUGIN_INSTALLATION)
  93 void PluginPermissionHelper::OnFindMissingPlugin(int placeholder_id,
  94                                                  const std::string& mime_type) {
  95   Send(new ChromeViewMsg_DidNotFindMissingPlugin(placeholder_id));
  96 }
  97
  98 void PluginPermissionHelper::OnRemovePluginPlaceholderHost(int placeholder_id) {
  99 }
 100 #endif // defined(ENABLE_PLUGIN_INSTALLATION)
 101
 102 void PluginPermissionHelper::OnPermissionResponse(const std::string& identifier,
 103                                                   bool allow,
 104                                                   const std::string& input) {
 105   if (allow) {
 106     ChromePluginServiceFilter::GetInstance()->AuthorizeAllPlugins(
 107         web_contents(), true, identifier);
 108   }
 109 }