An implementation of chrome.socket.secure().

chrome/browser/extensions/api/socket/socket_api.cc

Index: chrome/browser/extensions/api/socket/socket_api.cc
diff --git a/chrome/browser/extensions/api/socket/socket_api.cc b/chrome/browser/extensions/api/socket/socket_api.cc
index da173c2952ae873f8068a4db783838efd5bf2225..666e1afbda1dce7e8c9317efd57e6b15b10ee42d 100644
--- a/chrome/browser/extensions/api/socket/socket_api.cc
+++ b/chrome/browser/extensions/api/socket/socket_api.cc
@@ -12,6 +12,7 @@
 #include "chrome/browser/extensions/api/dns/host_resolver_wrapper.h"
 #include "chrome/browser/extensions/api/socket/socket.h"
 #include "chrome/browser/extensions/api/socket/tcp_socket.h"
+#include "chrome/browser/extensions/api/socket/tls_socket.h"
 #include "chrome/browser/extensions/api/socket/udp_socket.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/io_thread.h"
@@ -24,6 +25,7 @@
 #include "net/base/net_errors.h"
 #include "net/base/net_log.h"
 #include "net/base/net_util.h"
+#include "net/url_request/url_request_context_getter.h"
 
 namespace extensions {
 
@@ -46,6 +48,9 @@ const char kMulticastSocketTypeError[] =
     "Only UDP socket supports multicast.";
 const char kWildcardAddress[] = "*";
 const int kWildcardPort = 0;
+const char kSecureSocketTypeError[] =
+    "Only client TCP sockets are supported for TLS.";
+const char kSocketNotConnectedError[] = "Socket not connected";
 
 SocketAsyncApiFunction::SocketAsyncApiFunction() {
 }
@@ -76,6 +81,11 @@ Socket* SocketAsyncApiFunction::GetSocket(int api_resource_id) {
   return manager_->Get(extension_->id(), api_resource_id);
 }
 
+void SocketAsyncApiFunction::ReplaceSocket(int api_resource_id,
+                                           Socket* socket) {
+  manager_->Replace(extension_->id(), api_resource_id, socket);
+}
+
 base::hash_set<int>* SocketAsyncApiFunction::GetSocketIds() {
   return manager_->GetResourceIds(extension_->id());
 }
@@ -203,6 +213,8 @@ void SocketConnectFunction::AsyncWorkStart() {
     return;
   }
 
+  socket_->set_hostname(hostname_);
+
   SocketPermissionRequest::OperationType operation_type;
   switch (socket_->GetSocketType()) {
     case Socket::TYPE_TCP:
@@ -896,4 +908,76 @@ void SocketGetJoinedGroupsFunction::Work() {
   SetResult(values);
 }
 
+SocketSecureFunction::SocketSecureFunction() {}
+SocketSecureFunction::~SocketSecureFunction() {}
+
+bool SocketSecureFunction::Prepare() {
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  params_ = api::socket::Secure::Params::Create(*args_);
+  EXTENSION_FUNCTION_VALIDATE(params_.get());
+  url_request_getter_ = GetProfile()->GetRequestContext();
+  return true;
+}
+
+// Override the regular implementation, which would call AsyncWorkCompleted
+// immediately after Work().
+void SocketSecureFunction::AsyncWorkStart() {
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+
+  Socket* socket = GetSocket(params_->socket_id);
+  if (!socket) {
+    SetResult(new base::FundamentalValue(net::ERR_INVALID_ARGUMENT));
+    error_ = kSocketNotFoundError;
+    AsyncWorkCompleted();
+    return;
+  }
+
+  // Make sure that the socket is neither UDP nor already TLS. Also make
+  // sure that it's a client stream.
+  if (socket->GetSocketType() != Socket::TYPE_TCP ||
+      static_cast<TCPSocket*>(socket)->ClientStream() == NULL) {
+    SetResult(new base::FundamentalValue(net::ERR_INVALID_ARGUMENT));
+    error_ = kSecureSocketTypeError;
+    AsyncWorkCompleted();
+    return;
+  }
+
+  if (!socket->IsConnected()) {
+    SetResult(new base::FundamentalValue(net::ERR_INVALID_ARGUMENT));
+    error_ = kSocketNotConnectedError;
+    AsyncWorkCompleted();
+    return;
+  }
+
+  Profile* profile = GetProfile();
+  DCHECK(profile);
+
+  scoped_refptr<net::SSLConfigService> config_service(
+      profile->GetSSLConfigService());
+
+  TLSSocket::UpgradeSocketToTLS(
+      socket,
+      config_service,
+      url_request_getter_,
+      extension_id(),
+      params_->options.get(),
+      base::Bind(&SocketSecureFunction::TlsConnectDone, this));
+}
+
+void SocketSecureFunction::TlsConnectDone(scoped_ptr<TLSSocket> socket,
+                                          int result) {
+  // |socket| can only be non-null if |result| == net::OK.
+  DCHECK(result == net::OK || socket == NULL);
+
+  if (socket && result == net::OK) {
+    ReplaceSocket(params_->socket_id, socket.release());
+  } else {
+    RemoveSocket(params_->socket_id);
+    error_ = net::ErrorToString(result);
+  }
+
+  results_ = api::socket::Secure::Results::Create(result);
+  AsyncWorkCompleted();
+}
+
 }  // namespace extensions