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 _logintask_h_ 29 #define _logintask_h_ 30 31 #include <string> 32 #include "talk/base/logging.h" 33 #include "talk/base/scoped_ptr.h" 34 #include "talk/xmpp/jid.h" 35 #include "talk/xmpp/xmppengine.h" 36 37 namespace buzz { 38 39 class XmlElement; 40 class XmppEngineImpl; 41 class SaslMechanism; 42 43 44 class XmppLoginTask { 45 46 public: 47 XmppLoginTask(XmppEngineImpl *pctx); 48 ~XmppLoginTask(); 49 IsDone()50 bool IsDone() 51 { return state_ == LOGINSTATE_DONE; } 52 void IncomingStanza(const XmlElement * element, bool isStart); 53 void OutgoingStanza(const XmlElement *element); 54 55 private: 56 enum LoginTaskState { 57 LOGINSTATE_INIT = 0, 58 LOGINSTATE_STREAMSTART_SENT, 59 LOGINSTATE_STARTED_XMPP, 60 LOGINSTATE_TLS_INIT, 61 LOGINSTATE_AUTH_INIT, 62 LOGINSTATE_BIND_INIT, 63 LOGINSTATE_TLS_REQUESTED, 64 LOGINSTATE_SASL_RUNNING, 65 LOGINSTATE_BIND_REQUESTED, 66 LOGINSTATE_SESSION_REQUESTED, 67 LOGINSTATE_DONE, 68 }; 69 70 const XmlElement * NextStanza(); 71 bool Advance(); 72 bool HandleStartStream(const XmlElement * element); 73 bool HandleFeatures(const XmlElement * element); 74 const XmlElement * GetFeature(const QName & name); 75 bool Failure(XmppEngine::Error reason); 76 void FlushQueuedStanzas(); 77 78 XmppEngineImpl * pctx_; 79 bool authNeeded_; 80 LoginTaskState state_; 81 const XmlElement * pelStanza_; 82 bool isStart_; 83 std::string iqId_; 84 talk_base::scoped_ptr<XmlElement> pelFeatures_; 85 Jid fullJid_; 86 std::string streamId_; 87 talk_base::scoped_ptr<std::vector<XmlElement *> > pvecQueuedStanzas_; 88 89 talk_base::scoped_ptr<SaslMechanism> sasl_mech_; 90 91 #ifdef _DEBUG 92 static const talk_base::ConstantLabel LOGINTASK_STATES[]; 93 #endif // _DEBUG 94 }; 95 96 } 97 98 #endif 99