Add a new class SpdyProxyClientSocket which implements ClientSocket

by sending a CONNECT request via a SPDY SYN_STREAM frame to a SPDY proxy,
and then reading/writing data to/from SPDY Data frames.

BUG=29625
TEST=none

Review URL: http://codereview.chromium.org/3432009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@60747 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 39 insertions, 0 deletions

diff --git a/net/http/http_proxy_utils.cc b/net/http/http_proxy_utils.cc
new file mode 100644
index 0000000..3e4fb8b
--- /dev/null
+++ b/net/http/http_proxy_utils.cc
@@ -0,0 +1,39 @@
+// Copyright (c) 2010 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 "net/http/http_proxy_utils.h"
+
+#include "base/string_util.h"
+#include "googleurl/src/gurl.h"
+#include "net/base/host_port_pair.h"
+#include "net/base/net_util.h"
+#include "net/http/http_request_info.h"
+
+namespace net {
+
+void BuildTunnelRequest(
+    const HttpRequestInfo& request_info,
+    const HttpRequestHeaders& auth_headers,
+    const HostPortPair& endpoint,
+    std::string* request_line,
+    HttpRequestHeaders* request_headers) {
+  // RFC 2616 Section 9 says the Host request-header field MUST accompany all
+  // HTTP/1.1 requests.  Add "Proxy-Connection: keep-alive" for compat with
+  // HTTP/1.0 proxies such as Squid (required for NTLM authentication).
+  *request_line = StringPrintf(
+      "CONNECT %s HTTP/1.1\r\n", endpoint.ToString().c_str());
+  request_headers->SetHeader(HttpRequestHeaders::kHost,
+                             GetHostAndOptionalPort(request_info.url));
+  request_headers->SetHeader(HttpRequestHeaders::kProxyConnection,
+                             "keep-alive");
+
+  std::string user_agent;
+  if (request_info.extra_headers.GetHeader(HttpRequestHeaders::kUserAgent,
+                                            &user_agent))
+    request_headers->SetHeader(HttpRequestHeaders::kUserAgent, user_agent);
+
+  request_headers->MergeFrom(auth_headers);
+}
+
+}  // namespace net