diff options
| author | xue <> | 2005-11-10 12:47:19 +0000 |
|---|---|---|
| committer | xue <> | 2005-11-10 12:47:19 +0000 |
| commit | 55c4ac1bfe565f1ca7f537fdd8b7a201be28e581 (patch) | |
| tree | a0599d5e36fdbb3f1e169ae56bab7d529597e3eb /framework/Security/TAuthManager.php | |
Initial import of prado framework
Diffstat (limited to 'framework/Security/TAuthManager.php')
| -rw-r--r-- | framework/Security/TAuthManager.php | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/framework/Security/TAuthManager.php b/framework/Security/TAuthManager.php new file mode 100644 index 00000000..c12ee245 --- /dev/null +++ b/framework/Security/TAuthManager.php @@ -0,0 +1,205 @@ +<?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;
+ }
+}
+
+?>
\ No newline at end of file |