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| 1 /* |
| 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #ifndef WEBRTC_LIBJINGLE_XMPP_SASLMECHANISM_H_ |
| 12 #define WEBRTC_LIBJINGLE_XMPP_SASLMECHANISM_H_ |
| 13 |
| 14 #include <string> |
| 15 |
| 16 namespace buzz { |
| 17 |
| 18 class XmlElement; |
| 19 |
| 20 |
| 21 // Defines a mechnanism to do SASL authentication. |
| 22 // Subclass instances should have a self-contained way to present |
| 23 // credentials. |
| 24 class SaslMechanism { |
| 25 |
| 26 public: |
| 27 |
| 28 // Intended to be subclassed |
| 29 virtual ~SaslMechanism() {} |
| 30 |
| 31 // Should return the name of the SASL mechanism, e.g., "PLAIN" |
| 32 virtual std::string GetMechanismName() = 0; |
| 33 |
| 34 // Should generate the initial "auth" request. Default is just <auth/>. |
| 35 virtual XmlElement * StartSaslAuth(); |
| 36 |
| 37 // Should respond to a SASL "<challenge>" request. Default is |
| 38 // to abort (for mechanisms that do not do challenge-response) |
| 39 virtual XmlElement * HandleSaslChallenge(const XmlElement * challenge); |
| 40 |
| 41 // Notification of a SASL "<success>". Sometimes information |
| 42 // is passed on success. |
| 43 virtual void HandleSaslSuccess(const XmlElement * success); |
| 44 |
| 45 // Notification of a SASL "<failure>". Sometimes information |
| 46 // for the user is passed on failure. |
| 47 virtual void HandleSaslFailure(const XmlElement * failure); |
| 48 |
| 49 protected: |
| 50 static std::string Base64Encode(const std::string & plain); |
| 51 static std::string Base64Decode(const std::string & encoded); |
| 52 static std::string Base64EncodeFromArray(const char * plain, size_t length); |
| 53 }; |
| 54 |
| 55 } |
| 56 |
| 57 #endif // WEBRTC_LIBJINGLE_XMPP_SASLMECHANISM_H_ |
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