Initial commit

php/classes/user.php

@@ -0,0 +1,95 @@
+<?php
+
+class User
+{
+	##############################################################################
+	# PRIVATE DATA
+	private $password, $username, $loggedin, $role;
+	private $user_data;
+	##############################################################################
+	# PUBLIC FUNCTIONS
+	public function __construct($site_path)
+	{	
+		$this->user_data = simplexml_load_file($site_path.'data/users/users.xml');
+		$this->username = $_SESSION['username'];
+		$this->loggedin = $_SESSION['_loggedin'];
+		$this->role = $_SESSION['userrole'];
+	}
+	public function __destruct()
+	{
+		# save the session data when the object goes out of context
+		$_SESSION['username'] = $this->username;
+		$_SESSION['_loggedin'] = $this->loggedin;
+		$_SESSION['userrole'] = $this->role;
+	}
+	# see if a user is logged in
+	public function user_exists()
+	{
+		return $this->loggedin;
+	}
+	# check if the user has a role equal to what is passed
+	public function check_role($role_to_check)
+	{
+		$role_to_check = strtolower($role_to_check);
+		if(($role_to_check == $this->role) && $this->loggedin)
+			return true;
+		else
+			return false;
+	}
+	public function login($username,$password)
+	{
+		foreach($this->user_data->user as $user)
+		{
+			if($username == (string)$user->username)
+			{
+				$hash = sha1($password);
+				#print $hash;
+				if($hash == (string)$user->password)
+				{
+					$this->username = $username;
+					$this->password = $hash;
+					$this->loggedin = true;
+					$this->role = (string)$user->role;
+					
+					return true;
+				}
+				return false;
+			}
+		}
+		return false;
+	}
+	# log the user out
+	public function logout()
+	{
+		# delete cookie
+		setcookie('PHPSESSID','',time()-3600);
+		# delete the session entirely
+		session_unset();
+		
+		# reset object vars
+		$this->loggedin = false;
+		$this->username = NULL;
+		$this->password = NULL;
+		$this->role = NULL;
+		
+		return true;
+	}
+	##############################################################################
+	# SETTERS/GETTERS
+	public function username($new_username = NULL)
+	{
+		if(!is_null($new_username))
+			$this->username = $new_username;
+		else
+			return $this->username;
+	}
+	public function role()
+	{
+		return $this->role;
+	}
+	##############################################################################
+	# PRIVATE FUNCTIONS
+	
+}
+
+?>