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// Copyright (c) 2011 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 "chrome/browser/extensions/extension_web_socket_proxy_private_api.h"
#include "base/logging.h"
#include "base/values.h"
#include "base/string_number_conversions.h"
#include "chrome/browser/internal_auth.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/extensions/extension.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_details.h"
#include "net/base/escape.h"
#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/web_socket_proxy_controller.h"
#endif
WebSocketProxyPrivate::WebSocketProxyPrivate()
: is_finalized_(false), listening_port_(-1) {
}
WebSocketProxyPrivate::~WebSocketProxyPrivate() {
}
void WebSocketProxyPrivate::Observe(
int type, const content::NotificationSource& source,
const content::NotificationDetails& details) {
#if defined(OS_CHROMEOS)
DCHECK_EQ(chrome::NOTIFICATION_WEB_SOCKET_PROXY_STARTED, type);
#else
NOTREACHED();
#endif
timer_.Stop(); // Cancel timeout timer.
Finalize();
}
void WebSocketProxyPrivate::Finalize() {
if (is_finalized_)
return;
is_finalized_ = true;
SendResponse(true);
Release();
}
WebSocketProxyPrivateGetPassportForTCPFunction::
WebSocketProxyPrivateGetPassportForTCPFunction() {
// This obsolete API uses fixed port to listen websocket connections.
listening_port_ = 10101;
}
void WebSocketProxyPrivateGetURLForTCPFunction::Observe(
int type, const content::NotificationSource& source,
const content::NotificationDetails& details) {
listening_port_ = *content::Details<int>(details).ptr();
WebSocketProxyPrivate::Observe(type, source, details);
}
void WebSocketProxyPrivateGetURLForTCPFunction::Finalize() {
StringValue* url = Value::CreateStringValue(std::string(
"ws://127.0.0.1:" + base::IntToString(listening_port_) +
"/tcpproxy?" + query_));
result_.reset(url);
WebSocketProxyPrivate::Finalize();
}
bool WebSocketProxyPrivateGetPassportForTCPFunction::RunImpl() {
AddRef();
bool delay_response = false;
result_.reset(Value::CreateStringValue(""));
#if defined(OS_CHROMEOS)
std::string hostname;
EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &hostname));
int port = -1;
EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(1, &port));
if (chromeos::WebSocketProxyController::CheckCredentials(
extension_id(), hostname, port,
chromeos::WebSocketProxyController::PLAIN_TCP)) {
if (!chromeos::WebSocketProxyController::IsInitiated()) {
delay_response = true;
registrar_.Add(
this, chrome::NOTIFICATION_WEB_SOCKET_PROXY_STARTED,
content::NotificationService::AllSources());
chromeos::WebSocketProxyController::Initiate();
}
std::map<std::string, std::string> map;
map["hostname"] = hostname;
map["port"] = base::IntToString(port);
map["extension_id"] = extension_id();
StringValue* passport = Value::CreateStringValue(
browser::InternalAuthGeneration::GeneratePassport(
"web_socket_proxy", map));
result_.reset(passport);
}
#endif // defined(OS_CHROMEOS)
if (delay_response) {
const int kTimeout = 3;
timer_.Start(FROM_HERE, base::TimeDelta::FromSeconds(kTimeout),
this, &WebSocketProxyPrivateGetPassportForTCPFunction::Finalize);
} else {
Finalize();
}
return true;
}
bool WebSocketProxyPrivateGetURLForTCPFunction::RunImpl() {
AddRef();
bool delay_response = false;
result_.reset(Value::CreateStringValue(""));
#if defined(OS_CHROMEOS)
std::string hostname;
EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &hostname));
int port = -1;
EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(1, &port));
bool do_tls = false;
DictionaryValue* qualification = NULL;
if (args_->GetDictionary(2, &qualification)) {
const char kTlsOption[] = "tls";
if (qualification->HasKey(kTlsOption)) {
EXTENSION_FUNCTION_VALIDATE(qualification->GetBoolean(
kTlsOption, &do_tls));
}
}
if (chromeos::WebSocketProxyController::CheckCredentials(
extension_id(), hostname, port,
do_tls ? chromeos::WebSocketProxyController::TLS_OVER_TCP :
chromeos::WebSocketProxyController::PLAIN_TCP)) {
if (!chromeos::WebSocketProxyController::IsInitiated()) {
delay_response = true;
registrar_.Add(
this, chrome::NOTIFICATION_WEB_SOCKET_PROXY_STARTED,
content::NotificationService::AllSources());
chromeos::WebSocketProxyController::Initiate();
}
std::map<std::string, std::string> map;
map["hostname"] = hostname;
map["port"] = base::IntToString(port);
map["extension_id"] = extension_id();
map["tls"] = do_tls ? "true" : "false";
std::string passport = browser::InternalAuthGeneration::GeneratePassport(
"web_socket_proxy", map);
query_ = std::string("hostname=") +
net::EscapeQueryParamValue(hostname, false) + "&port=" + map["port"] +
"&tls=" + map["tls"] + "&passport=" +
net::EscapeQueryParamValue(passport, false);
}
#endif // defined(OS_CHROMEOS)
if (delay_response) {
const int kTimeout = 3;
timer_.Start(FROM_HERE, base::TimeDelta::FromSeconds(kTimeout),
this, &WebSocketProxyPrivate::Finalize);
} else {
Finalize();
}
return true;
}
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