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      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 _XMPPAUTH_H_
     29 #define _XMPPAUTH_H_
     30 
     31 #include <vector>
     32 
     33 #include "talk/base/cryptstring.h"
     34 #include "talk/base/sigslot.h"
     35 #include "talk/xmpp/jid.h"
     36 #include "talk/xmpp/saslhandler.h"
     37 #include "talk/xmpp/prexmppauth.h"
     38 
     39 class XmppAuth: public buzz::PreXmppAuth {
     40 public:
     41   XmppAuth();
     42   virtual ~XmppAuth();
     43 
     44   virtual void StartPreXmppAuth(const buzz::Jid & jid,
     45                                 const talk_base::SocketAddress & server,
     46                                 const talk_base::CryptString & pass,
     47                                 const std::string & auth_cookie);
     48 
     49   virtual bool IsAuthDone() const { return done_; }
     50   virtual bool IsAuthorized() const { return true; }
     51   virtual bool HadError() const { return false; }
     52   virtual int  GetError() const { return 0; }
     53   virtual buzz::CaptchaChallenge GetCaptchaChallenge() const {
     54       return buzz::CaptchaChallenge();
     55   }
     56   virtual std::string GetAuthCookie() const { return auth_cookie_; }
     57 
     58   virtual std::string ChooseBestSaslMechanism(
     59       const std::vector<std::string> & mechanisms,
     60       bool encrypted);
     61 
     62   virtual buzz::SaslMechanism * CreateSaslMechanism(
     63       const std::string & mechanism);
     64 
     65 private:
     66   buzz::Jid jid_;
     67   talk_base::CryptString passwd_;
     68   std::string auth_cookie_;
     69   bool done_;
     70 };
     71 
     72 #endif
     73