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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 _PREXMPPAUTH_H_
     29 #define _PREXMPPAUTH_H_
     30 
     31 #include "talk/base/cryptstring.h"
     32 #include "talk/base/sigslot.h"
     33 #include "talk/xmpp/saslhandler.h"
     34 
     35 namespace talk_base {
     36   class SocketAddress;
     37 }
     38 
     39 namespace buzz {
     40 
     41 class Jid;
     42 class SaslMechanism;
     43 
     44 class CaptchaChallenge {
     45  public:
     46   CaptchaChallenge() : captcha_needed_(false) {}
     47   CaptchaChallenge(const std::string& token, const std::string& url)
     48     : captcha_needed_(true), captcha_token_(token), captcha_image_url_(url) {
     49   }
     50 
     51   bool captcha_needed() const { return captcha_needed_; }
     52   const std::string& captcha_token() const { return captcha_token_; }
     53 
     54   // This url is relative to the gaia server.  Once we have better tools
     55   // for cracking URLs, we should probably make this a full URL
     56   const std::string& captcha_image_url() const { return captcha_image_url_; }
     57 
     58  private:
     59   bool captcha_needed_;
     60   std::string captcha_token_;
     61   std::string captcha_image_url_;
     62 };
     63 
     64 class PreXmppAuth : public SaslHandler {
     65 public:
     66   virtual ~PreXmppAuth() {}
     67 
     68   virtual void StartPreXmppAuth(
     69     const Jid & jid,
     70     const talk_base::SocketAddress & server,
     71     const talk_base::CryptString & pass,
     72     const std::string & auth_cookie) = 0;
     73 
     74   sigslot::signal0<> SignalAuthDone;
     75 
     76   virtual bool IsAuthDone() const = 0;
     77   virtual bool IsAuthorized() const = 0;
     78   virtual bool HadError() const = 0;
     79   virtual int GetError() const = 0;
     80   virtual CaptchaChallenge GetCaptchaChallenge() const = 0;
     81   virtual std::string GetAuthCookie() const = 0;
     82 };
     83 
     84 }
     85 
     86 #endif
     87