| // Copyright 2013 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 "third_party/blink/renderer/modules/websockets/web_socket_handle_impl.h" |
| |
| #include "base/single_thread_task_runner.h" |
| #include "third_party/blink/public/platform/platform.h" |
| #include "third_party/blink/renderer/modules/websockets/web_socket_handle_client.h" |
| #include "third_party/blink/renderer/platform/network/network_log.h" |
| #include "third_party/blink/renderer/platform/network/web_socket_handshake_request.h" |
| #include "third_party/blink/renderer/platform/network/web_socket_handshake_response.h" |
| #include "third_party/blink/renderer/platform/scheduler/public/thread_scheduler.h" |
| #include "third_party/blink/renderer/platform/weborigin/kurl.h" |
| #include "third_party/blink/renderer/platform/wtf/functional.h" |
| #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" |
| |
| namespace blink { |
| namespace { |
| |
| const uint16_t kAbnormalShutdownOpCode = 1006; |
| |
| } // namespace |
| |
| WebSocketHandleImpl::WebSocketHandleImpl() |
| : client_(nullptr), client_binding_(this) { |
| NETWORK_DVLOG(1) << this << " created"; |
| } |
| |
| WebSocketHandleImpl::~WebSocketHandleImpl() { |
| NETWORK_DVLOG(1) << this << " deleted"; |
| |
| if (websocket_) |
| websocket_->StartClosingHandshake(kAbnormalShutdownOpCode, g_empty_string); |
| } |
| |
| void WebSocketHandleImpl::Connect(network::mojom::blink::WebSocketPtr websocket, |
| const KURL& url, |
| const Vector<String>& protocols, |
| const KURL& site_for_cookies, |
| const String& user_agent_override, |
| WebSocketHandleClient* client, |
| base::SingleThreadTaskRunner* task_runner) { |
| DCHECK(!websocket_); |
| websocket_ = std::move(websocket); |
| websocket_.set_connection_error_with_reason_handler(WTF::Bind( |
| &WebSocketHandleImpl::OnConnectionError, WTF::Unretained(this))); |
| DCHECK(websocket_); |
| |
| NETWORK_DVLOG(1) << this << " connect(" << url.GetString() << ")"; |
| |
| DCHECK(!client_); |
| DCHECK(client); |
| client_ = client; |
| |
| network::mojom::blink::WebSocketClientPtr client_proxy; |
| client_binding_.Bind(mojo::MakeRequest(&client_proxy, task_runner)); |
| websocket_->AddChannelRequest( |
| url, protocols, site_for_cookies, |
| user_agent_override.IsNull() ? g_empty_string : user_agent_override, |
| std::move(client_proxy)); |
| } |
| |
| void WebSocketHandleImpl::Send(bool fin, |
| WebSocketHandle::MessageType type, |
| const char* data, |
| size_t size) { |
| DCHECK(websocket_); |
| |
| network::mojom::blink::WebSocketMessageType type_to_pass; |
| switch (type) { |
| case WebSocketHandle::kMessageTypeContinuation: |
| type_to_pass = network::mojom::blink::WebSocketMessageType::CONTINUATION; |
| break; |
| case WebSocketHandle::kMessageTypeText: |
| type_to_pass = network::mojom::blink::WebSocketMessageType::TEXT; |
| break; |
| case WebSocketHandle::kMessageTypeBinary: |
| type_to_pass = network::mojom::blink::WebSocketMessageType::BINARY; |
| break; |
| default: |
| NOTREACHED(); |
| return; |
| } |
| |
| NETWORK_DVLOG(1) << this << " send(" << fin << ", " << type_to_pass << ", " |
| << "(data size = " << size << "))"; |
| |
| // TODO(darin): Avoid this copy. |
| Vector<uint8_t> data_to_pass(size); |
| std::copy(data, data + size, data_to_pass.begin()); |
| |
| websocket_->SendFrame(fin, type_to_pass, data_to_pass); |
| } |
| |
| void WebSocketHandleImpl::FlowControl(int64_t quota) { |
| DCHECK(websocket_); |
| |
| NETWORK_DVLOG(1) << this << " flowControl(" << quota << ")"; |
| |
| websocket_->SendFlowControl(quota); |
| } |
| |
| void WebSocketHandleImpl::Close(unsigned short code, const String& reason) { |
| DCHECK(websocket_); |
| |
| NETWORK_DVLOG(1) << this << " close(" << code << ", " << reason << ")"; |
| |
| websocket_->StartClosingHandshake(code, |
| reason.IsNull() ? g_empty_string : reason); |
| } |
| |
| void WebSocketHandleImpl::Disconnect() { |
| websocket_.reset(); |
| client_ = nullptr; |
| } |
| |
| void WebSocketHandleImpl::OnConnectionError(uint32_t custom_reason, |
| const std::string& description) { |
| // Our connection to the WebSocket was dropped. This could be due to |
| // exceeding the maximum number of concurrent websockets from this process. |
| String failure_message; |
| if (custom_reason == |
| network::mojom::blink::WebSocket::kInsufficientResources) { |
| failure_message = |
| description.empty() |
| ? "Insufficient resources" |
| : String::FromUTF8(description.c_str(), description.size()); |
| } else { |
| DCHECK(description.empty()); |
| failure_message = "Unspecified reason"; |
| } |
| OnFailChannel(failure_message); |
| } |
| |
| void WebSocketHandleImpl::OnFailChannel(const String& message) { |
| NETWORK_DVLOG(1) << this << " OnFailChannel(" << message << ")"; |
| |
| WebSocketHandleClient* client = client_; |
| Disconnect(); |
| if (!client) |
| return; |
| |
| client->DidFail(this, message); |
| // |this| can be deleted here. |
| } |
| |
| void WebSocketHandleImpl::OnStartOpeningHandshake( |
| network::mojom::blink::WebSocketHandshakeRequestPtr request) { |
| NETWORK_DVLOG(1) << this << " OnStartOpeningHandshake(" |
| << request->url.GetString() << ")"; |
| |
| scoped_refptr<WebSocketHandshakeRequest> request_to_pass = |
| WebSocketHandshakeRequest::Create(request->url); |
| for (size_t i = 0; i < request->headers.size(); ++i) { |
| const network::mojom::blink::HttpHeaderPtr& header = request->headers[i]; |
| request_to_pass->AddHeaderField(AtomicString(header->name), |
| AtomicString(header->value)); |
| } |
| request_to_pass->SetHeadersText(request->headers_text); |
| client_->DidStartOpeningHandshake(this, request_to_pass); |
| } |
| |
| void WebSocketHandleImpl::OnFinishOpeningHandshake( |
| network::mojom::blink::WebSocketHandshakeResponsePtr response) { |
| NETWORK_DVLOG(1) << this << " OnFinishOpeningHandshake(" |
| << response->url.GetString() << ")"; |
| |
| WebSocketHandshakeResponse response_to_pass; |
| response_to_pass.SetStatusCode(response->status_code); |
| response_to_pass.SetStatusText(response->status_text); |
| for (size_t i = 0; i < response->headers.size(); ++i) { |
| const network::mojom::blink::HttpHeaderPtr& header = response->headers[i]; |
| response_to_pass.AddHeaderField(AtomicString(header->name), |
| AtomicString(header->value)); |
| } |
| response_to_pass.SetHeadersText(response->headers_text); |
| client_->DidFinishOpeningHandshake(this, &response_to_pass); |
| } |
| |
| void WebSocketHandleImpl::OnAddChannelResponse(const String& protocol, |
| const String& extensions) { |
| NETWORK_DVLOG(1) << this << " OnAddChannelResponse(" << protocol << ", " |
| << extensions << ")"; |
| |
| if (!client_) |
| return; |
| |
| client_->DidConnect(this, protocol, extensions); |
| // |this| can be deleted here. |
| } |
| |
| void WebSocketHandleImpl::OnDataFrame( |
| bool fin, |
| network::mojom::blink::WebSocketMessageType type, |
| const Vector<uint8_t>& data) { |
| NETWORK_DVLOG(1) << this << " OnDataFrame(" << fin << ", " << type << ", " |
| << "(data size = " << data.size() << "))"; |
| if (!client_) |
| return; |
| |
| WebSocketHandle::MessageType type_to_pass = |
| WebSocketHandle::kMessageTypeContinuation; |
| switch (type) { |
| case network::mojom::blink::WebSocketMessageType::CONTINUATION: |
| type_to_pass = WebSocketHandle::kMessageTypeContinuation; |
| break; |
| case network::mojom::blink::WebSocketMessageType::TEXT: |
| type_to_pass = WebSocketHandle::kMessageTypeText; |
| break; |
| case network::mojom::blink::WebSocketMessageType::BINARY: |
| type_to_pass = WebSocketHandle::kMessageTypeBinary; |
| break; |
| } |
| const char* data_to_pass = |
| reinterpret_cast<const char*>(data.IsEmpty() ? nullptr : &data[0]); |
| client_->DidReceiveData(this, fin, type_to_pass, data_to_pass, data.size()); |
| // |this| can be deleted here. |
| } |
| |
| void WebSocketHandleImpl::OnFlowControl(int64_t quota) { |
| NETWORK_DVLOG(1) << this << " OnFlowControl(" << quota << ")"; |
| if (!client_) |
| return; |
| |
| client_->DidReceiveFlowControl(this, quota); |
| // |this| can be deleted here. |
| } |
| |
| void WebSocketHandleImpl::OnDropChannel(bool was_clean, |
| uint16_t code, |
| const String& reason) { |
| NETWORK_DVLOG(1) << this << " OnDropChannel(" << was_clean << ", " << code |
| << ", " << reason << ")"; |
| |
| WebSocketHandleClient* client = client_; |
| Disconnect(); |
| if (!client) |
| return; |
| |
| client->DidClose(this, was_clean, code, reason); |
| // |this| can be deleted here. |
| } |
| |
| void WebSocketHandleImpl::OnClosingHandshake() { |
| NETWORK_DVLOG(1) << this << " OnClosingHandshake()"; |
| if (!client_) |
| return; |
| |
| client_->DidStartClosingHandshake(this); |
| // |this| can be deleted here. |
| } |
| |
| } // namespace blink |