content/browser/renderer_host/socket_stream_dispatcher_host.cc

   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/socket_stream_dispatcher_host.h"
   6
   7 #include <string>
   8
   9 #include "base/logging.h"
  10 #include "content/browser/renderer_host/socket_stream_host.h"
  11 #include "content/browser/ssl/ssl_manager.h"
  12 #include "content/common/resource_messages.h"
  13 #include "content/common/socket_stream.h"
  14 #include "content/common/socket_stream_messages.h"
  15 #include "content/public/browser/content_browser_client.h"
  16 #include "content/public/browser/global_request_id.h"
  17 #include "net/base/net_errors.h"
  18 #include "net/cookies/canonical_cookie.h"
  19 #include "net/url_request/url_request_context_getter.h"
  20 #include "net/websockets/websocket_job.h"
  21 #include "net/websockets/websocket_throttle.h"
  22
  23 namespace content {
  24
  25 namespace {
  26
  27 const size_t kMaxSocketStreamHosts = 16 * 1024;
  28
  29 }  // namespace
  30
  31 SocketStreamDispatcherHost::SocketStreamDispatcherHost(
  32     int render_process_id,
  33     const GetRequestContextCallback& request_context_callback,
  34     ResourceContext* resource_context)
  35     : BrowserMessageFilter(SocketStreamMsgStart),
  36       render_process_id_(render_process_id),
  37       request_context_callback_(request_context_callback),
  38       resource_context_(resource_context),
  39       on_shutdown_(false),
  40       weak_ptr_factory_(this) {
  41   net::WebSocketJob::EnsureInit();
  42 }
  43
  44 bool SocketStreamDispatcherHost::OnMessageReceived(
  45     const IPC::Message& message) {
  46   if (on_shutdown_)
  47     return false;
  48
  49   bool handled = true;
  50   IPC_BEGIN_MESSAGE_MAP(SocketStreamDispatcherHost, message)
  51     IPC_MESSAGE_HANDLER(SocketStreamHostMsg_Connect, OnConnect)
  52     IPC_MESSAGE_HANDLER(SocketStreamHostMsg_SendData, OnSendData)
  53     IPC_MESSAGE_HANDLER(SocketStreamHostMsg_Close, OnCloseReq)
  54     IPC_MESSAGE_UNHANDLED(handled = false)
  55   IPC_END_MESSAGE_MAP()
  56   return handled;
  57 }
  58
  59 // SocketStream::Delegate methods implementations.
  60 void SocketStreamDispatcherHost::OnConnected(net::SocketStream* socket,
  61                                              int max_pending_send_allowed) {
  62   int socket_id = SocketStreamHost::SocketIdFromSocketStream(socket);
  63   DVLOG(2) << "SocketStreamDispatcherHost::OnConnected socket_id=" << socket_id
  64            << " max_pending_send_allowed=" << max_pending_send_allowed;
  65   if (socket_id == kNoSocketId) {
  66     DVLOG(1) << "NoSocketId in OnConnected";
  67     return;
  68   }
  69   if (!Send(new SocketStreamMsg_Connected(
  70           socket_id, max_pending_send_allowed))) {
  71     DVLOG(1) << "SocketStreamMsg_Connected failed.";
  72     DeleteSocketStreamHost(socket_id);
  73   }
  74 }
  75
  76 void SocketStreamDispatcherHost::OnSentData(net::SocketStream* socket,
  77                                             int amount_sent) {
  78   int socket_id = SocketStreamHost::SocketIdFromSocketStream(socket);
  79   DVLOG(2) << "SocketStreamDispatcherHost::OnSentData socket_id=" << socket_id
  80            << " amount_sent=" << amount_sent;
  81   if (socket_id == kNoSocketId) {
  82     DVLOG(1) << "NoSocketId in OnSentData";
  83     return;
  84   }
  85   if (!Send(new SocketStreamMsg_SentData(socket_id, amount_sent))) {
  86     DVLOG(1) << "SocketStreamMsg_SentData failed.";
  87     DeleteSocketStreamHost(socket_id);
  88   }
  89 }
  90
  91 void SocketStreamDispatcherHost::OnReceivedData(
  92     net::SocketStream* socket, const char* data, int len) {
  93   int socket_id = SocketStreamHost::SocketIdFromSocketStream(socket);
  94   DVLOG(2) << "SocketStreamDispatcherHost::OnReceiveData socket_id="
  95            << socket_id;
  96   if (socket_id == kNoSocketId) {
  97     DVLOG(1) << "NoSocketId in OnReceivedData";
  98     return;
  99   }
 100   if (!Send(new SocketStreamMsg_ReceivedData(
 101           socket_id, std::vector<char>(data, data + len)))) {
 102     DVLOG(1) << "SocketStreamMsg_ReceivedData failed.";
 103     DeleteSocketStreamHost(socket_id);
 104   }
 105 }
 106
 107 void SocketStreamDispatcherHost::OnClose(net::SocketStream* socket) {
 108   int socket_id = SocketStreamHost::SocketIdFromSocketStream(socket);
 109   DVLOG(2) << "SocketStreamDispatcherHost::OnClosed socket_id=" << socket_id;
 110   if (socket_id == kNoSocketId) {
 111     DVLOG(1) << "NoSocketId in OnClose";
 112     return;
 113   }
 114   DeleteSocketStreamHost(socket_id);
 115 }
 116
 117 void SocketStreamDispatcherHost::OnError(const net::SocketStream* socket,
 118                                          int error) {
 119   int socket_id = SocketStreamHost::SocketIdFromSocketStream(socket);
 120   DVLOG(2) << "SocketStreamDispatcherHost::OnError socket_id=" << socket_id;
 121   if (socket_id == content::kNoSocketId) {
 122     DVLOG(1) << "NoSocketId in OnError";
 123     return;
 124   }
 125   // SocketStream::Delegate::OnError() events are handled as WebSocket error
 126   // event when user agent was required to fail WebSocket connection or the
 127   // WebSocket connection is closed with prejudice.
 128   if (!Send(new SocketStreamMsg_Failed(socket_id, error))) {
 129     DVLOG(1) << "SocketStreamMsg_Failed failed.";
 130     DeleteSocketStreamHost(socket_id);
 131   }
 132 }
 133
 134 void SocketStreamDispatcherHost::OnSSLCertificateError(
 135     net::SocketStream* socket, const net::SSLInfo& ssl_info, bool fatal) {
 136   int socket_id = SocketStreamHost::SocketIdFromSocketStream(socket);
 137   DVLOG(2) << "SocketStreamDispatcherHost::OnSSLCertificateError socket_id="
 138            << socket_id;
 139   if (socket_id == kNoSocketId) {
 140     DVLOG(1) << "NoSocketId in OnSSLCertificateError";
 141     return;
 142   }
 143   SocketStreamHost* socket_stream_host = hosts_.Lookup(socket_id);
 144   DCHECK(socket_stream_host);
 145   GlobalRequestID request_id(-1, socket_id);
 146   SSLManager::OnSSLCertificateError(
 147       weak_ptr_factory_.GetWeakPtr(), request_id, RESOURCE_TYPE_SUB_RESOURCE,
 148       socket->url(), render_process_id_, socket_stream_host->render_frame_id(),
 149       ssl_info, fatal);
 150 }
 151
 152 bool SocketStreamDispatcherHost::CanGetCookies(net::SocketStream* socket,
 153                                                const GURL& url) {
 154   int socket_id = SocketStreamHost::SocketIdFromSocketStream(socket);
 155   if (socket_id == kNoSocketId) {
 156     return false;
 157   }
 158   SocketStreamHost* socket_stream_host = hosts_.Lookup(socket_id);
 159   DCHECK(socket_stream_host);
 160   return GetContentClient()->browser()->AllowGetCookie(
 161       url,
 162       url,
 163       net::CookieList(),
 164       resource_context_,
 165       render_process_id_,
 166       socket_stream_host->render_frame_id());
 167 }
 168
 169 bool SocketStreamDispatcherHost::CanSetCookie(net::SocketStream* request,
 170                                               const GURL& url,
 171                                               const std::string& cookie_line,
 172                                               net::CookieOptions* options) {
 173   int socket_id = SocketStreamHost::SocketIdFromSocketStream(request);
 174   if (socket_id == kNoSocketId) {
 175     return false;
 176   }
 177   SocketStreamHost* socket_stream_host = hosts_.Lookup(socket_id);
 178   DCHECK(socket_stream_host);
 179   return GetContentClient()->browser()->AllowSetCookie(
 180       url,
 181       url,
 182       cookie_line,
 183       resource_context_,
 184       render_process_id_,
 185       socket_stream_host->render_frame_id(),
 186       options);
 187 }
 188
 189 void SocketStreamDispatcherHost::CancelSSLRequest(
 190     const GlobalRequestID& id,
 191     int error,
 192     const net::SSLInfo* ssl_info) {
 193   int socket_id = id.request_id;
 194   DVLOG(2) << "SocketStreamDispatcherHost::CancelSSLRequest socket_id="
 195            << socket_id;
 196   DCHECK_NE(kNoSocketId, socket_id);
 197   SocketStreamHost* socket_stream_host = hosts_.Lookup(socket_id);
 198   DCHECK(socket_stream_host);
 199   if (ssl_info)
 200     socket_stream_host->CancelWithSSLError(*ssl_info);
 201   else
 202     socket_stream_host->CancelWithError(error);
 203 }
 204
 205 void SocketStreamDispatcherHost::ContinueSSLRequest(
 206     const GlobalRequestID& id) {
 207   int socket_id = id.request_id;
 208   DVLOG(2) << "SocketStreamDispatcherHost::ContinueSSLRequest socket_id="
 209            << socket_id;
 210   DCHECK_NE(kNoSocketId, socket_id);
 211   SocketStreamHost* socket_stream_host = hosts_.Lookup(socket_id);
 212   DCHECK(socket_stream_host);
 213   socket_stream_host->ContinueDespiteError();
 214 }
 215
 216 SocketStreamDispatcherHost::~SocketStreamDispatcherHost() {
 217   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 218   Shutdown();
 219 }
 220
 221 // Message handlers called by OnMessageReceived.
 222 void SocketStreamDispatcherHost::OnConnect(int render_frame_id,
 223                                            const GURL& url,
 224                                            int socket_id) {
 225   DVLOG(2) << "SocketStreamDispatcherHost::OnConnect"
 226            << " render_frame_id=" << render_frame_id
 227            << " url=" << url
 228            << " socket_id=" << socket_id;
 229   DCHECK_NE(kNoSocketId, socket_id);
 230
 231   if (hosts_.size() >= kMaxSocketStreamHosts) {
 232     if (!Send(new SocketStreamMsg_Failed(socket_id,
 233                                          net::ERR_TOO_MANY_SOCKET_STREAMS))) {
 234       DVLOG(1) << "SocketStreamMsg_Failed failed.";
 235     }
 236     if (!Send(new SocketStreamMsg_Closed(socket_id))) {
 237       DVLOG(1) << "SocketStreamMsg_Closed failed.";
 238     }
 239     return;
 240   }
 241
 242   if (hosts_.Lookup(socket_id)) {
 243     DVLOG(1) << "socket_id=" << socket_id << " already registered.";
 244     return;
 245   }
 246
 247   // Note that the SocketStreamHost is responsible for checking that |url|
 248   // is valid.
 249   SocketStreamHost* socket_stream_host =
 250       new SocketStreamHost(this, render_process_id_, render_frame_id,
 251                            socket_id);
 252   hosts_.AddWithID(socket_stream_host, socket_id);
 253   socket_stream_host->Connect(url, GetURLRequestContext());
 254   DVLOG(2) << "SocketStreamDispatcherHost::OnConnect -> " << socket_id;
 255 }
 256
 257 void SocketStreamDispatcherHost::OnSendData(
 258     int socket_id, const std::vector<char>& data) {
 259   DVLOG(2) << "SocketStreamDispatcherHost::OnSendData socket_id=" << socket_id;
 260   SocketStreamHost* socket_stream_host = hosts_.Lookup(socket_id);
 261   if (!socket_stream_host) {
 262     DVLOG(1) << "socket_id=" << socket_id << " already closed.";
 263     return;
 264   }
 265   if (!socket_stream_host->SendData(data)) {
 266     // Cannot accept more data to send.
 267     socket_stream_host->Close();
 268   }
 269 }
 270
 271 void SocketStreamDispatcherHost::OnCloseReq(int socket_id) {
 272   DVLOG(2) << "SocketStreamDispatcherHost::OnCloseReq socket_id=" << socket_id;
 273   SocketStreamHost* socket_stream_host = hosts_.Lookup(socket_id);
 274   if (!socket_stream_host)
 275     return;
 276   socket_stream_host->Close();
 277 }
 278
 279 void SocketStreamDispatcherHost::DeleteSocketStreamHost(int socket_id) {
 280   SocketStreamHost* socket_stream_host = hosts_.Lookup(socket_id);
 281   DCHECK(socket_stream_host);
 282   delete socket_stream_host;
 283   hosts_.Remove(socket_id);
 284   if (!Send(new SocketStreamMsg_Closed(socket_id))) {
 285     DVLOG(1) << "SocketStreamMsg_Closed failed.";
 286   }
 287 }
 288
 289 net::URLRequestContext* SocketStreamDispatcherHost::GetURLRequestContext() {
 290   return request_context_callback_.Run(RESOURCE_TYPE_SUB_RESOURCE);
 291 }
 292
 293 void SocketStreamDispatcherHost::Shutdown() {
 294   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 295   // TODO(ukai): Implement IDMap::RemoveAll().
 296   for (IDMap<SocketStreamHost>::const_iterator iter(&hosts_);
 297        !iter.IsAtEnd();
 298        iter.Advance()) {
 299     int socket_id = iter.GetCurrentKey();
 300     const SocketStreamHost* socket_stream_host = iter.GetCurrentValue();
 301     delete socket_stream_host;
 302     hosts_.Remove(socket_id);
 303   }
 304   on_shutdown_ = true;
 305 }
 306
 307 }  // namespace content