Vitaly Buka | 974647f | 2015-08-02 20:57:43 -0700 | [diff] [blame] | 1 | // Copyright 2015 The Chromium OS 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 "buffet/webserv_client.h" |
| 6 | |
| 7 | #include <memory> |
| 8 | #include <string> |
| 9 | |
| 10 | #include <libwebserv/protocol_handler.h> |
| 11 | #include <libwebserv/request.h> |
| 12 | #include <libwebserv/response.h> |
| 13 | #include <libwebserv/server.h> |
| 14 | |
| 15 | #include "buffet/dbus_constants.h" |
Alex Vakulenko | b7a325c | 2015-09-21 10:57:17 -0700 | [diff] [blame] | 16 | #include "buffet/socket_stream.h" |
Vitaly Buka | 974647f | 2015-08-02 20:57:43 -0700 | [diff] [blame] | 17 | |
| 18 | namespace buffet { |
| 19 | |
| 20 | namespace { |
| 21 | |
Alex Vakulenko | e32375b | 2015-09-28 08:55:40 -0700 | [diff] [blame^] | 22 | using weave::provider::HttpServer; |
| 23 | |
| 24 | class RequestImpl : public HttpServer::Request { |
Vitaly Buka | 974647f | 2015-08-02 20:57:43 -0700 | [diff] [blame] | 25 | public: |
| 26 | explicit RequestImpl(std::unique_ptr<libwebserv::Request> request) |
| 27 | : request_{std::move(request)} {} |
| 28 | ~RequestImpl() override {} |
| 29 | |
| 30 | // HttpServer::Request implementation. |
| 31 | const std::string& GetPath() const override { return request_->GetPath(); } |
Alex Vakulenko | e32375b | 2015-09-28 08:55:40 -0700 | [diff] [blame^] | 32 | |
Vitaly Buka | 974647f | 2015-08-02 20:57:43 -0700 | [diff] [blame] | 33 | std::string GetFirstHeader(const std::string& name) const override { |
| 34 | return request_->GetFirstHeader(name); |
| 35 | } |
Alex Vakulenko | b7a325c | 2015-09-21 10:57:17 -0700 | [diff] [blame] | 36 | |
| 37 | // TODO(avakulenko): Remove this method and rewrite all call sites in libweave |
| 38 | // to use GetDataStream() instead. |
Vitaly Buka | 974647f | 2015-08-02 20:57:43 -0700 | [diff] [blame] | 39 | const std::vector<uint8_t>& GetData() const override { |
Alex Vakulenko | 458e2c5 | 2015-09-25 13:23:43 -0700 | [diff] [blame] | 40 | if (request_data_) |
Alex Vakulenko | b7a325c | 2015-09-21 10:57:17 -0700 | [diff] [blame] | 41 | return *request_data_; |
| 42 | |
| 43 | request_data_.reset(new std::vector<uint8_t>); |
| 44 | auto stream = request_->GetDataStream(); |
| 45 | if (stream) { |
| 46 | if (stream->CanGetSize()) |
| 47 | request_data_->reserve(stream->GetRemainingSize()); |
| 48 | std::vector<uint8_t> buffer(16 * 1024); // 16K seems to be good enough. |
| 49 | size_t sz = 0; |
| 50 | while (stream->ReadBlocking(buffer.data(), buffer.size(), &sz, nullptr) && |
| 51 | sz > 0) { |
| 52 | request_data_->insert(request_data_->end(), |
| 53 | buffer.data(), buffer.data() + sz); |
| 54 | } |
| 55 | } |
| 56 | return *request_data_; |
| 57 | } |
| 58 | |
| 59 | std::unique_ptr<weave::Stream> GetDataStream() const override { |
| 60 | auto stream = std::unique_ptr<weave::Stream>{ |
| 61 | new SocketStream{request_->GetDataStream()}}; |
| 62 | return stream; |
Vitaly Buka | 974647f | 2015-08-02 20:57:43 -0700 | [diff] [blame] | 63 | } |
| 64 | |
| 65 | private: |
| 66 | std::unique_ptr<libwebserv::Request> request_; |
Alex Vakulenko | b7a325c | 2015-09-21 10:57:17 -0700 | [diff] [blame] | 67 | mutable std::unique_ptr<std::vector<uint8_t>> request_data_; |
Vitaly Buka | 974647f | 2015-08-02 20:57:43 -0700 | [diff] [blame] | 68 | |
| 69 | DISALLOW_COPY_AND_ASSIGN(RequestImpl); |
| 70 | }; |
| 71 | |
| 72 | } // namespace |
| 73 | |
| 74 | WebServClient::~WebServClient() { |
| 75 | web_server_->Disconnect(); |
| 76 | } |
| 77 | |
| 78 | void WebServClient::AddOnStateChangedCallback( |
| 79 | const OnStateChangedCallback& callback) { |
| 80 | on_state_changed_callbacks_.push_back(callback); |
| 81 | callback.Run(*this); |
| 82 | } |
| 83 | |
| 84 | void WebServClient::AddRequestHandler(const std::string& path_prefix, |
| 85 | const OnRequestCallback& callback) { |
| 86 | web_server_->GetDefaultHttpHandler()->AddHandlerCallback( |
| 87 | path_prefix, "", base::Bind(&WebServClient::OnRequest, |
| 88 | weak_ptr_factory_.GetWeakPtr(), callback)); |
| 89 | web_server_->GetDefaultHttpsHandler()->AddHandlerCallback( |
| 90 | path_prefix, "", base::Bind(&WebServClient::OnRequest, |
| 91 | weak_ptr_factory_.GetWeakPtr(), callback)); |
| 92 | } |
| 93 | |
| 94 | uint16_t WebServClient::GetHttpPort() const { |
| 95 | return http_port_; |
| 96 | } |
| 97 | |
| 98 | uint16_t WebServClient::GetHttpsPort() const { |
| 99 | return https_port_; |
| 100 | } |
| 101 | |
| 102 | const chromeos::Blob& WebServClient::GetHttpsCertificateFingerprint() const { |
| 103 | return certificate_; |
| 104 | } |
| 105 | |
| 106 | WebServClient::WebServClient( |
| 107 | const scoped_refptr<dbus::Bus>& bus, |
| 108 | chromeos::dbus_utils::AsyncEventSequencer* sequencer) { |
| 109 | web_server_.reset(new libwebserv::Server); |
| 110 | web_server_->OnProtocolHandlerConnected( |
| 111 | base::Bind(&WebServClient::OnProtocolHandlerConnected, |
| 112 | weak_ptr_factory_.GetWeakPtr())); |
| 113 | web_server_->OnProtocolHandlerDisconnected( |
| 114 | base::Bind(&WebServClient::OnProtocolHandlerDisconnected, |
| 115 | weak_ptr_factory_.GetWeakPtr())); |
| 116 | |
Robert Ginda | cf92c66 | 2015-08-20 09:30:11 -0700 | [diff] [blame] | 117 | web_server_->Connect(bus, buffet::dbus_constants::kServiceName, |
Vitaly Buka | 974647f | 2015-08-02 20:57:43 -0700 | [diff] [blame] | 118 | sequencer->GetHandler("Server::Connect failed.", true), |
| 119 | base::Bind(&base::DoNothing), |
| 120 | base::Bind(&base::DoNothing)); |
| 121 | } |
| 122 | |
| 123 | void WebServClient::OnRequest(const OnRequestCallback& callback, |
| 124 | std::unique_ptr<libwebserv::Request> request, |
| 125 | std::unique_ptr<libwebserv::Response> response) { |
| 126 | callback.Run( |
| 127 | RequestImpl{std::move(request)}, |
| 128 | base::Bind(&WebServClient::OnResponse, weak_ptr_factory_.GetWeakPtr(), |
| 129 | base::Passed(&response))); |
| 130 | } |
| 131 | |
| 132 | void WebServClient::OnResponse(std::unique_ptr<libwebserv::Response> response, |
| 133 | int status_code, |
| 134 | const std::string& data, |
| 135 | const std::string& mime_type) { |
Alex Vakulenko | b2fc690 | 2015-09-23 14:36:25 -0700 | [diff] [blame] | 136 | response->ReplyWithText(status_code, data, mime_type); |
Vitaly Buka | 974647f | 2015-08-02 20:57:43 -0700 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | void WebServClient::OnProtocolHandlerConnected( |
| 140 | libwebserv::ProtocolHandler* protocol_handler) { |
| 141 | if (protocol_handler->GetName() == libwebserv::ProtocolHandler::kHttp) { |
| 142 | http_port_ = *protocol_handler->GetPorts().begin(); |
| 143 | } else if (protocol_handler->GetName() == |
| 144 | libwebserv::ProtocolHandler::kHttps) { |
| 145 | https_port_ = *protocol_handler->GetPorts().begin(); |
| 146 | certificate_ = protocol_handler->GetCertificateFingerprint(); |
| 147 | } |
| 148 | for (const auto& cb : on_state_changed_callbacks_) |
| 149 | cb.Run(*this); |
| 150 | } |
| 151 | |
| 152 | void WebServClient::OnProtocolHandlerDisconnected( |
| 153 | libwebserv::ProtocolHandler* protocol_handler) { |
| 154 | if (protocol_handler->GetName() == libwebserv::ProtocolHandler::kHttp) { |
| 155 | http_port_ = 0; |
| 156 | } else if (protocol_handler->GetName() == |
| 157 | libwebserv::ProtocolHandler::kHttps) { |
| 158 | https_port_ = 0; |
| 159 | certificate_.clear(); |
| 160 | } |
| 161 | for (const auto& cb : on_state_changed_callbacks_) |
| 162 | cb.Run(*this); |
| 163 | } |
| 164 | |
| 165 | } // namespace buffet |