1 /* 2 * libjingle 3 * Copyright 2004--2005, Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef TALK_XMPP_SASLHANDLER_H_ 29 #define TALK_XMPP_SASLHANDLER_H_ 30 31 #include <string> 32 #include <vector> 33 34 namespace buzz { 35 36 class XmlElement; 37 class SaslMechanism; 38 39 // Creates mechanisms to deal with a given mechanism 40 class SaslHandler { 41 42 public: 43 44 // Intended to be subclassed ~SaslHandler()45 virtual ~SaslHandler() {} 46 47 // Should pick the best method according to this handler 48 // returns the empty string if none are suitable 49 virtual std::string ChooseBestSaslMechanism(const std::vector<std::string> & mechanisms, bool encrypted) = 0; 50 51 // Creates a SaslMechanism for the given mechanism name (you own it 52 // once you get it). 53 // If not handled, return NULL. 54 virtual SaslMechanism * CreateSaslMechanism(const std::string & mechanism) = 0; 55 }; 56 57 } 58 59 #endif // TALK_XMPP_SASLHANDLER_H_ 60