1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
<?php
class TAuthManager extends TComponent implements IModule
{
const RETURN_URL_VAR='ReturnUrl';
/**
* @var TAuthorizationRuleCollection list of authorization rules
*/
private $_authRules=null;
private $_guest='Guest';
private $_initialized=false;
private $_application;
private $_users=null;
private $_loginPage=null;
private $_skipAuthorization=false;
/**
* @return string id of this module
*/
public function getID()
{
return $this->_id;
}
/**
* @param string id of this module
*/
public function setID($value)
{
$this->_id=$value;
}
/**
* Initializes this module.
* This method is required by the IModule interface.
* @param IApplication Prado application, can be null
* @param TXmlElement configuration for this module, can be null
*/
public function init($application,$config)
{
$this->_application=$application;
$application->attachEventHandler('Authentication',array($this,'doAuthentication'));
$application->attachEventHandler('EndRequest',array($this,'leave'));
$application->attachEventHandler('Authorization',array($this,'doAuthorization'));
$this->_initialized=true;
}
public function getGuestName()
{
return $this->_guest;
}
public function setGuestName($value)
{
$this->_guest=$value;
}
public function getUserManager()
{
if($this->_users instanceof TUserManager)
return $this->_users;
else
{
if(($users=$this->_application->getModule($this->_users))===null)
throw new TConfigurationException('authenticator_usermanager_inexistent',$this->_users);
if(!($users instanceof TUserManager))
throw new TConfigurationException('authenticator_usermanager_invalid',$this->_users);
$this->_users=$users;
return $users;
}
}
public function setUserManager($provider)
{
$this->_users=$provider;
}
public function getLoginPage()
{
return $this->_loginPage;
}
public function setLoginPage($pagePath)
{
$this->_loginPage=$pagePath;
}
public function doAuthentication($sender,$param)
{
$this->onAuthenticate($param);
$service=$this->_application->getService();
if(($service instanceof TPageService) && $service->isRequestingPage($this->getLoginPage()))
$this->_skipAuthorization=true;
}
public function doAuthorization($sender,$param)
{
if(!$this->_skipAuthorization)
{
$this->onAuthorize($param);
}
}
public function leave($sender,$param)
{
if($this->_application->getResponse()->getStatusCode()===401)
{
$service=$this->_application->getService();
if($service instanceof TPageService)
{
$returnUrl=$this->_application->getRequest()->getRequestUri();
$url=$service->constructUrl($this->getLoginPage(),array(self::RETURN_URL_VAR=>$returnUrl));
$this->_application->getResponse()->redirect($url);
}
}
}
public function onAuthenticate($param)
{
if($this->hasEventHandler('Authenticate'))
$this->raiseEvent('Authenticate',$this,$this->_application);
if($this->_application->getUser()!==null)
return;
if(($session=$this->_application->getSession())===null)
throw new TConfigurationException('authenticator_session_required');
$session->open();
if(($userManager=$this->getUserManager())===null)
throw new TConfigurationException('authenticator_usermanager_required');
$sessionInfo=$session->getItems()->itemAt($this->generateUserSessionKey());
$user=$userManager->getUser(null)->loadFromString($sessionInfo);
$this->_application->setUser($user);
}
public function onAuthorize($param)
{
if($this->hasEventHandler('Authenticate'))
$this->raiseEvent('Authorize',$this,$this->_application);
if($this->_authRules!==null && !$this->_authRules->isUserAllowed($this->_application->getUser(),$this->_application->getRequest()->getRequestType()))
{
$this->_application->getResponse()->setStatusCode(401);
$this->_application->completeRequest();
}
}
protected function generateUserSessionKey()
{
return md5($this->_application->getUniqueID().'prado:user');
}
public function updateSessionUser($user)
{
if(!$user->getIsGuest())
{
if(($session=$this->_application->getSession())===null)
throw new TConfigurationException('authenticator_session_required');
else
$session->getItems()->add($this->generateUserSessionKey(),$user->saveToString());
}
}
public function login($username,$password)
{
if(($userManager=$this->getUserManager())===null)
throw new TConfigurationException('authenticator_usermanager_required');
else
{
if($userManager->validateUser($username,$password))
{
$user=$userManager->getUser($username);
$this->updateSessionUser($user);
$this->_application->setUser($user);
return true;
}
else
return false;
}
}
public function logout()
{
if(($userManager=$this->getUserManager())===null)
throw new TConfigurationException('authenticator_usermanager_required');
else if(($session=$this->_application->getSession())===null)
throw new TConfigurationException('authenticator_session_required');
else
{
$userManager->logout($this->_application->getUser());
$session->destroy();
}
}
/**
* @return TAuthorizationRuleCollection list of authorization rules that may be applied
*/
public function getAuthorizationRules()
{
if($this->_authRules===null)
$this->_authRules=new TAuthorizationRuleCollection;
return $this->_authRules;
}
}
?>
|
