rhubarb-lip-sync/rhubarb/lib/webrtc-8d2248ff/webrtc/libjingle/xmpp/saslmechanism.h

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2016-06-21 20:13:05 +00:00
/*
* Copyright 2004 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_LIBJINGLE_XMPP_SASLMECHANISM_H_
#define WEBRTC_LIBJINGLE_XMPP_SASLMECHANISM_H_
#include <string>
namespace buzz {
class XmlElement;
// Defines a mechnanism to do SASL authentication.
// Subclass instances should have a self-contained way to present
// credentials.
class SaslMechanism {
public:
// Intended to be subclassed
virtual ~SaslMechanism() {}
// Should return the name of the SASL mechanism, e.g., "PLAIN"
virtual std::string GetMechanismName() = 0;
// Should generate the initial "auth" request. Default is just <auth/>.
virtual XmlElement * StartSaslAuth();
// Should respond to a SASL "<challenge>" request. Default is
// to abort (for mechanisms that do not do challenge-response)
virtual XmlElement * HandleSaslChallenge(const XmlElement * challenge);
// Notification of a SASL "<success>". Sometimes information
// is passed on success.
virtual void HandleSaslSuccess(const XmlElement * success);
// Notification of a SASL "<failure>". Sometimes information
// for the user is passed on failure.
virtual void HandleSaslFailure(const XmlElement * failure);
protected:
static std::string Base64Encode(const std::string & plain);
static std::string Base64Decode(const std::string & encoded);
static std::string Base64EncodeFromArray(const char * plain, size_t length);
};
}
#endif // WEBRTC_LIBJINGLE_XMPP_SASLMECHANISM_H_