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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.
#ifndef NET_HTTP_MAC_SIGNATURE_H_
#define NET_HTTP_MAC_SIGNATURE_H_
#pragma once
#include <string>
#include "base/basictypes.h"
#include "base/gtest_prod_util.h"
#include "crypto/hmac.h"
namespace net {
// This class represents an HTTP MAC signature for use in the HTTP MAC
// Authentication scheme. The current draft specification of this
// authentication scheme is located at the following URL:
//
// http://tools.ietf.org/html/draft-hammer-oauth-v2-mac-token
//
class HttpMacSignature {
public:
HttpMacSignature();
~HttpMacSignature();
// Returns whether this information is valid.
bool AddStateInfo(const std::string& id,
const std::string& mac_key,
const std::string& mac_algorithm);
// Returns whether this information is valid.
bool AddHttpInfo(const std::string& method,
const std::string& request_uri,
const std::string& host,
int port);
// Returns the value of the Authorization header for use in an HTTP request.
std::string GenerateAuthorizationHeader();
private:
FRIEND_TEST_ALL_PREFIXES(HttpMacSignatureTest, GenerateHeaderString);
FRIEND_TEST_ALL_PREFIXES(HttpMacSignatureTest, GenerateNormalizedRequest);
FRIEND_TEST_ALL_PREFIXES(HttpMacSignatureTest, GenerateMAC);
std::string GenerateHeaderString(const std::string& timestamp,
const std::string& nonce);
std::string GenerateNormalizedRequest(const std::string& timestamp,
const std::string& nonce);
std::string GenerateMAC(const std::string& timestamp,
const std::string& nonce);
std::string id_;
std::string mac_key_;
crypto::HMAC::HashAlgorithm mac_algorithm_;
std::string method_;
std::string request_uri_;
std::string host_;
std::string port_;
// TODO(abarth): body_hash_
DISALLOW_COPY_AND_ASSIGN(HttpMacSignature);
};
} // namespace net
#endif // NET_HTTP_MAC_SIGNATURE_H_
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