CPAPI (0.11) for gears drag drop....

chrome/browser/plugin_process_host.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2009 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 "build/build_config.h"
 
 #include "chrome/browser/plugin_process_host.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include <vector>
 
 #include "app/app_switches.h"
 #include "base/command_line.h"
 #if defined(OS_POSIX)
 #include "base/global_descriptors_posix.h"
 #endif
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/file_version_info.h"
 #include "base/gfx/native_widget_types.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
 #include "base/scoped_ptr.h"
 #include "base/thread.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/child_process_security_policy.h"
 #include "chrome/browser/chrome_plugin_browsing_context.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/plugin_service.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/renderer_host/browser_render_process_host.h"
 #include "chrome/browser/renderer_host/render_process_host.h"
 #include "chrome/browser/renderer_host/resource_dispatcher_host.h"
 #include "chrome/common/chrome_descriptors.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_plugin_lib.h"
@@ skipping 397 matching lines @@
   return true;
 }
 
 void PluginProcessHost::OnMessageReceived(const IPC::Message& msg) {
   IPC_BEGIN_MESSAGE_MAP(PluginProcessHost, msg)
     IPC_MESSAGE_HANDLER(PluginProcessHostMsg_ChannelCreated, OnChannelCreated)
     IPC_MESSAGE_HANDLER(PluginProcessHostMsg_GetPluginFinderUrl,
                         OnGetPluginFinderUrl)
     IPC_MESSAGE_HANDLER(PluginProcessHostMsg_PluginMessage, OnPluginMessage)
     IPC_MESSAGE_HANDLER(PluginProcessHostMsg_GetCookies, OnGetCookies)
+    IPC_MESSAGE_HANDLER(PluginProcessHostMsg_AccessFiles, OnAccessFiles)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(PluginProcessHostMsg_ResolveProxy,
                                     OnResolveProxy)
 #if defined(OS_WIN)
     IPC_MESSAGE_HANDLER(PluginProcessHostMsg_PluginWindowDestroyed,
                         OnPluginWindowDestroyed)
     IPC_MESSAGE_HANDLER(PluginProcessHostMsg_DownloadUrl, OnDownloadUrl)
 #endif
 #if defined(OS_LINUX)
     IPC_MESSAGE_HANDLER(PluginProcessHostMsg_MapNativeViewId,
                         OnMapNativeViewId)
@@ skipping 48 matching lines @@
         ToURLRequestContext(request_context);
   // TODO(mpcomplete): remove fallback case when Gears support is prevalent.
   if (!context)
     context = Profile::GetDefaultRequestContext();
 
   // Note: We don't have a first_party_for_cookies check because plugins bypass
   // third-party cookie blocking.
   *cookies = context->cookie_store()->GetCookies(url);
 }
 
+void PluginProcessHost::OnAccessFiles(int process_id,
+                                      const std::vector<std::string>& files,
+                                      bool* allowed) {
+  ChildProcessSecurityPolicy* policy =
+      ChildProcessSecurityPolicy::GetInstance();
+
+  for (size_t i = 0; i < files.size(); ++i) {
+    const FilePath path = FilePath::FromWStringHack(UTF8ToWide(files[i]));
+    if (!policy->CanUploadFile(process_id, path)) {
+      LOG(INFO) << "Denied unauthorized request for file " << files[i];
+      *allowed = false;
+      return;
+    }
+  }
+
+  *allowed = true;
+}
+
 void PluginProcessHost::OnResolveProxy(const GURL& url,
                                        IPC::Message* reply_msg) {
   resolve_proxy_msg_helper_.Start(url, reply_msg);
 }
 
 void PluginProcessHost::OnResolveProxyCompleted(IPC::Message* reply_msg,
                                                 int result,
                                                 const std::string& proxy_list) {
   PluginProcessHostMsg_ResolveProxy::WriteReplyParams(
       reply_msg, result, proxy_list);
@@ skipping 64 matching lines @@
   DCHECK(MessageLoop::current() ==
          ChromeThread::GetMessageLoop(ChromeThread::IO));
 
   ChromePluginLib *chrome_plugin = ChromePluginLib::Find(info_.path);
   if (chrome_plugin) {
     void *data_ptr = const_cast<void*>(reinterpret_cast<const void*>(&data[0]));
     uint32 data_len = static_cast<uint32>(data.size());
     chrome_plugin->functions().on_message(data_ptr, data_len);
   }
 }