1 files changed, 192 insertions, 0 deletions
diff --git a/framework/Security/TUserManager.php b/framework/Security/TUserManager.php
new file mode 100644
index 00000000..882c5d5c
--- /dev/null
+++ b/framework/Security/TUserManager.php
@@ -0,0 +1,192 @@
+<?php
+
+/**
+ * IUser interface.
+ *
+ * This interface must be implemented by user objects.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Revision: $  $Date: $
+ * @package System.Security
+ * @since 3.0
+ */
+interface IUser
+{
+	public function getManager();
+	public function getName();
+	public function setName($value);
+	public function getIsGuest();
+	public function setIsGuest($value);
+	public function getRoles();
+	public function setRoles($value);
+	/**
+	 * @param string role to be tested
+	 * @return boolean whether the user is of this role
+	 */
+	public function isInRole($role);
+	public function saveToString();
+	public function loadFromString($string);
+}
+
+class TUser extends TComponent implements IUser
+{
+	private $_manager;
+	private $_isGuest=false;
+	private $_name='';
+	private $_roles=array();
+
+	public function __construct($manager=null)
+	{
+		parent::__construct();
+		$this->_manager=$manager;
+	}
+
+	public function getManager()
+	{
+		return $this->_manager;
+	}
+
+	public function getName()
+	{
+		return $this->_name;
+	}
+
+	public function setName($value)
+	{
+		$this->_name=$value;
+	}
+
+	public function getIsGuest()
+	{
+		return $this->_isGuest;
+	}
+
+	public function setIsGuest($value)
+	{
+		$this->_isGuest=TPropertyValue::ensureBoolean($value);
+		if($this->_isGuest)
+		{
+			$this->_name='';
+			$this->_roles=array();
+		}
+	}
+
+	public function getRoles()
+	{
+		return $this->_roles;
+	}
+
+	public function setRoles($value)
+	{
+		if(is_array($value))
+			$this->_roles=$value;
+		else
+		{
+			$this->_roles=array();
+			foreach(explode(',',$value) as $role)
+				$this->_roles[]=trim($value);
+		}
+	}
+
+	public function isInRole($role)
+	{
+		return in_array($role,$this->_roles);
+	}
+
+	public function saveToString()
+	{
+		return serialize(array($this->_name,$this->_roles,$this->_isGuest));
+	}
+
+	public function loadFromString($data)
+	{
+		if(!empty($data))
+		{
+			$array=unserialize($data);
+			$this->_name=$array[0];
+			$this->_roles=$array[1];
+			$this->_isGuest=$array[2];
+		}
+		return $this;
+	}
+}
+
+
+class TUserManager extends TComponent implements IModule
+{
+	private $_id;
+	private $_users=array();
+	private $_guestName='Guest';
+	private $_passwordMode='MD5';
+
+	public function init($application,$config)
+	{
+		foreach($config->getElementsByTagName('user') as $node)
+			$this->_users[$node->getAttribute('name')]=$node->getAttribute('password');
+	}
+
+	public function getID()
+	{
+		return $this->_id;
+	}
+
+	public function setID($value)
+	{
+		$this->_id=$value;
+	}
+
+	public function getGuestName()
+	{
+		return $this->_guestName;
+	}
+
+	public function setGuestName($value)
+	{
+		$this->_guestName=$value;
+	}
+
+	public function getPasswordMode()
+	{
+		return $this->_passwordMode;
+	}
+
+	public function setPasswordMode($value)
+	{
+		$this->_passwordMode=TPropertyValue::ensureEnum($value,array('Clear','MD5','SHA1'));
+	}
+
+	public function validateUser($username,$password)
+	{
+		if($this->_passwordMode==='MD5')
+			$password=md5($password);
+		else if($this->_passwordMode==='SHA1')
+			$password=sha1($password);
+		return (isset($this->_users[$username]) && $this->_users[$username]===$password);
+	}
+
+	public function logout($user)
+	{
+		$user->setIsGuest(true);
+		$user->setName($this->getGuestName());
+	}
+
+	public function getUser($username=null)
+	{
+		if($username===null)
+		{
+			$user=new TUser($this);
+			$user->setIsGuest($username===null);
+			return $user;
+		}
+		else if(isset($this->_users[$username]))
+		{
+			$user=new TUser($this);
+			$user->setName($username);
+			return $user;
+		}
+		else
+			return null;
+	}
+}
+
+?>
+\ No newline at end of file