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 _SASLCOOKIEMECHANISM_H_
29#define _SASLCOOKIEMECHANISM_H_
30
31#include "talk/xmllite/qname.h"
32#include "talk/xmllite/xmlelement.h"
33#include "talk/xmpp/saslmechanism.h"
34#include "talk/xmpp/constants.h"
35
36namespace buzz {
37
38class SaslCookieMechanism : public SaslMechanism {
39
40public:
41  SaslCookieMechanism(const std::string & mechanism,
42                      const std::string & username,
43                      const std::string & cookie,
44                      const std::string & token_service)
45    : mechanism_(mechanism),
46      username_(username),
47      cookie_(cookie),
48      token_service_(token_service) {}
49
50  SaslCookieMechanism(const std::string & mechanism,
51                      const std::string & username,
52                      const std::string & cookie)
53    : mechanism_(mechanism),
54      username_(username),
55      cookie_(cookie),
56      token_service_("") {}
57
58  virtual std::string GetMechanismName() { return mechanism_; }
59
60  virtual XmlElement * StartSaslAuth() {
61    // send initial request
62    XmlElement * el = new XmlElement(QN_SASL_AUTH, true);
63    el->AddAttr(QN_MECHANISM, mechanism_);
64    if (!token_service_.empty()) {
65      el->AddAttr(
66          QName(true, "http://www.google.com/talk/protocol/auth", "service"),
67          token_service_);
68    }
69
70    std::string credential;
71    credential.append("\0", 1);
72    credential.append(username_);
73    credential.append("\0", 1);
74    credential.append(cookie_);
75    el->AddText(Base64Encode(credential));
76    return el;
77  }
78
79private:
80  std::string mechanism_;
81  std::string username_;
82  std::string cookie_;
83  std::string token_service_;
84};
85
86}
87
88#endif
89