1 // Copyright (c) 2012 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 "content/browser/renderer_host/pepper/pepper_socket_utils.h" 6 7 #include <string> 8 #include <vector> 9 10 #include "base/logging.h" 11 #include "content/public/browser/browser_thread.h" 12 #include "content/public/browser/content_browser_client.h" 13 #include "content/public/browser/render_view_host.h" 14 #include "content/public/browser/site_instance.h" 15 #include "content/public/common/content_client.h" 16 #include "ppapi/c/private/ppb_net_address_private.h" 17 #include "ppapi/shared_impl/private/net_address_private_impl.h" 18 19 namespace content { 20 namespace pepper_socket_utils { 21 22 SocketPermissionRequest CreateSocketPermissionRequest( 23 SocketPermissionRequest::OperationType type, 24 const PP_NetAddress_Private& net_addr) { 25 std::string host = ppapi::NetAddressPrivateImpl::DescribeNetAddress(net_addr, 26 false); 27 int port = 0; 28 std::vector<unsigned char> address; 29 ppapi::NetAddressPrivateImpl::NetAddressToIPEndPoint(net_addr, 30 &address, 31 &port); 32 return SocketPermissionRequest(type, host, port); 33 } 34 35 bool CanUseSocketAPIs(bool external_plugin, 36 bool private_api, 37 const SocketPermissionRequest& params, 38 int render_process_id, 39 int render_view_id) { 40 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 41 RenderViewHost* render_view_host = RenderViewHost::FromID(render_process_id, 42 render_view_id); 43 return render_view_host && CanUseSocketAPIs(external_plugin, 44 private_api, 45 params, 46 render_view_host); 47 } 48 49 bool CanUseSocketAPIs(bool external_plugin, 50 bool private_api, 51 const SocketPermissionRequest& params, 52 RenderViewHost* render_view_host) { 53 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 54 55 if (!external_plugin) { 56 // Always allow socket APIs for out-process plugins (other than external 57 // plugins instantiated by the embeeder through 58 // BrowserPpapiHost::CreateExternalPluginProcess). 59 return true; 60 } 61 62 if (!render_view_host) 63 return false; 64 SiteInstance* site_instance = render_view_host->GetSiteInstance(); 65 if (!site_instance) 66 return false; 67 if (!GetContentClient()->browser()->AllowPepperSocketAPI( 68 site_instance->GetBrowserContext(), 69 site_instance->GetSiteURL(), 70 private_api, 71 params)) { 72 LOG(ERROR) << "Host " << site_instance->GetSiteURL().host() 73 << " cannot use socket API or destination is not allowed"; 74 return false; 75 } 76 77 return true; 78 } 79 80 } // namespace pepper_socket_utils 81 } // namespace content 82
