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_PLAINSASLHANDLER_H_ 29 #define TALK_XMPP_PLAINSASLHANDLER_H_ 30 31 #include <algorithm> 32 #include "talk/xmpp/saslhandler.h" 33 #include "talk/xmpp/saslplainmechanism.h" 34 #include "webrtc/base/cryptstring.h" 35 36 namespace buzz { 37 38 class PlainSaslHandler : public SaslHandler { 39 public: PlainSaslHandler(const Jid & jid,const rtc::CryptString & password,bool allow_plain)40 PlainSaslHandler(const Jid & jid, const rtc::CryptString & password, 41 bool allow_plain) : jid_(jid), password_(password), 42 allow_plain_(allow_plain) {} 43 ~PlainSaslHandler()44 virtual ~PlainSaslHandler() {} 45 46 // Should pick the best method according to this handler 47 // returns the empty string if none are suitable ChooseBestSaslMechanism(const std::vector<std::string> & mechanisms,bool encrypted)48 virtual std::string ChooseBestSaslMechanism(const std::vector<std::string> & mechanisms, bool encrypted) { 49 50 if (!encrypted && !allow_plain_) { 51 return ""; 52 } 53 54 std::vector<std::string>::const_iterator it = std::find(mechanisms.begin(), mechanisms.end(), "PLAIN"); 55 if (it == mechanisms.end()) { 56 return ""; 57 } 58 else { 59 return "PLAIN"; 60 } 61 } 62 63 // Creates a SaslMechanism for the given mechanism name (you own it 64 // once you get it). If not handled, return NULL. CreateSaslMechanism(const std::string & mechanism)65 virtual SaslMechanism * CreateSaslMechanism(const std::string & mechanism) { 66 if (mechanism == "PLAIN") { 67 return new SaslPlainMechanism(jid_, password_); 68 } 69 return NULL; 70 } 71 72 private: 73 Jid jid_; 74 rtc::CryptString password_; 75 bool allow_plain_; 76 }; 77 78 79 } 80 81 #endif // TALK_XMPP_PLAINSASLHANDLER_H_ 82