SPDY proxy authentication support.

chrome/browser/net/spdyproxy/http_auth_handler_spdyproxy.h

+// Copyright (c) 2012 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.
+
+#ifndef CHROME_BROWSER_NET_SPDYPROXY_HTTP_AUTH_HANDLER_SPDYPROXY_H_
+#define CHROME_BROWSER_NET_SPDYPROXY_HTTP_AUTH_HANDLER_SPDYPROXY_H_
+
+#include <string>
+
+#include "base/gtest_prod_util.h"
+#include "net/http/http_auth_handler.h"
+#include "net/http/http_auth_handler_factory.h"
+
+namespace spdyproxy {
+
+// Code for handling http SpdyProxy authentication.
+class HttpAuthHandlerSpdyProxy : public net::HttpAuthHandler {
+ public:
+  class Factory : public net::HttpAuthHandlerFactory {
+   public:
+    // Constructs a new spdyproxy handler factory which mints handlers that
+    // respond to challenges only from the given |authorized_spdyproxy_origin|.
+    explicit Factory(const GURL& authorized_spdyproxy_origin);
+    virtual ~Factory();
+
+    virtual int CreateAuthHandler(
+        net::HttpAuth::ChallengeTokenizer* challenge,
+        net::HttpAuth::Target target,
+        const GURL& origin,
+        CreateReason reason,
+        int digest_nonce_count,
+        const net::BoundNetLog& net_log,
+        scoped_ptr<HttpAuthHandler>* handler) OVERRIDE;
+
+   private:
+    // The origin for which we will respond to SpdyProxy auth challenges.
+    GURL authorized_spdyproxy_origin_;
+  };
+
+  // Constructs a new spdyproxy handler which responds to challenges
+  // from the given |authorized_spdyproxy_origin|.
+  explicit HttpAuthHandlerSpdyProxy(
+      const GURL& authorized_spdyproxy_origin);
+
+  // Overrides from net::HttpAuthHandler.
+  virtual net::HttpAuth::AuthorizationResult HandleAnotherChallenge(
+      net::HttpAuth::ChallengeTokenizer* challenge) OVERRIDE;
+  virtual bool NeedsIdentity() OVERRIDE;
+  virtual bool AllowsDefaultCredentials() OVERRIDE;
+  virtual bool AllowsExplicitCredentials() OVERRIDE;
+
+ private:
+  FRIEND_TEST_ALL_PREFIXES(HttpAuthHandlerSpdyProxyTest, ParseChallenge);
+
+  virtual ~HttpAuthHandlerSpdyProxy() {}
+
+  virtual bool Init(net::HttpAuth::ChallengeTokenizer* challenge) OVERRIDE;
+
+  virtual int GenerateAuthTokenImpl(const net::AuthCredentials* credentials,
+                                    const net::HttpRequestInfo* request,
+                                    const net::CompletionCallback& callback,
+                                    std::string* auth_token) OVERRIDE;
+
+  bool ParseChallenge(net::HttpAuth::ChallengeTokenizer* challenge);
+
+  bool ParseChallengeProperty(const std::string& name,
+                              const std::string& value);
+
+  // The origin for which we will respond to SpdyProxy auth challenges.
+  GURL authorized_spdyproxy_origin_;
+
+  // The ps token, encoded as UTF-8.
+  std::string ps_token_;
+
+  DISALLOW_COPY_AND_ASSIGN(HttpAuthHandlerSpdyProxy);
+};
+
+}  // namespace spdyproxy
+
+#endif  // CHROME_BROWSER_NET_SPDYPROXY_HTTP_AUTH_HANDLER_SPDYPROXY_H_