/lenasys/trunk : contents of codeigniter/application/models/user.php at revision 69

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<?php
	Class User extends CI_Model {
		/*
		 *	Constructor
		 */
		function __construct() {
			parent::__construct();
			
			//Load required libraries and drivers
			$this->load->database();
			$this->load->library('session');
		}


		/*
		 *	This function returns the users password hint (or FALSE if user isn't logged in).
		 *  RESTRICTED-LEVEL: None
		 */ 
		public function getPasswordHint($user) {
			//Query-structure
			$this->db->select('passwdHint');
			$this->db->from('Users');
			$this->db->where('userName', $user);
			$this->db->limit(1);
			
			//Execute query
			$query = $this->db->get();
			$result = $query->result();
			
			//If a matching DB record is found.
			if($result) {
				foreach($result as $row) {
					$hint = $row->passwdHint;
					
					//Return hint
					return $hint;
				}
			}
			
			//No such user
			return FALSE;
		}


		/*
		 *	This function logs the user in (returns FALSE on fail).
		 *  RESTRICTED-LEVEL: None
		 */
		public function login($username, $password) {			
			//Generate a salted hash
			$hash = $this->getSaltedHash($password);
	
			//Query-structure
			$this->db->select('userName, name, passwd, userType, ssn'); // Tog bort firstLogin här.
			$this->db->from('Users');
			$this->db->where('userName', $username);
			$this->db->where('passwd', $hash);
			$this->db->limit(1);
			
			//Execute query
			$query = $this->db->get();
			$result = $query->result();
			
			//If a matching DB record is found.
			if($result) {
				//Prepare session data
				$userDetails = array();
				foreach($result as $row) {
					$userDetails = array(
						'username' => $row->userName,
						'name' => $row->name,
						'usertype' => $row->userType,
						'ssn' => $row->ssn,
					// 	'firstLogin' => $row->firstLogin
					);
				}
				
				//Set session data
				$this->session->set_userdata('authenticated', $userDetails);
				
				//Log attempt as valid
				$this->logLogin($username, 1);
				
				//Return success
				return TRUE;
			}

			//Log attempt as invalid
			$this->logLogin($username, 0);

			//Return fail
			return FALSE;
		}


		/*
		 *	This function logs the user out.
		 *  RESTRICTED-LEVEL: Self
		 */
		public function logout() {
			//Unset session data
			$this->session->unset_userdata('authenticated');
		}


		/*
		 *	This function changes the users password.
		 *  RESTRICTED-LEVEL: Self
		 */
		public function changePassword($pwdOld, $pwdNew, $pwdHint) {
			//Check that a user is logged in.
			if($this->isLoggedIn()) {
				$user = $this->getUserName();
				$oldHash = $this->getSaltedHash($pwdOld);
				$newHash = $this->getSaltedHash($pwdNew);
				
				//Validate input with database
				$this->db->select('userName');
				$this->db->from('Users');
				$this->db->where('userName', $user);
				$this->db->where('passwd', $oldHash);
				$this->db->limit(1);
				$query = $this->db->get();
				$result = $query->result();
				
				//If a matching DB record is found, update database.
				if($result) {
					$data = array(
						'passwd' => $newHash,
						'passwdHint' => $pwdHint
					);
					
					$this->db->where('userName', $user);
					$this->db->update('Users', $data);
					
					//Return Success!
					return TRUE;
				}
			}
			
			//Return error
			return FALSE;
		}


		/*
		 *	This function registers user into the database.
		 *  RESTRICTED-LEVEL: Teacher
		 */
		public function addUser($userName, $name, $ssn, $password, $userType, $pwdHint) {
			//Check that a user is logged in and has the right privileges (is teacher)
			if($this->isLoggedIn() && $this->getUserType() === 'Teacher') {
				//Generate a salted hash
				$hash = $this->getSaltedHash($password);
				
				//Query-structure (All values are escaped automatically by codeigninte, producing safer queries.)
				$this->db->set('userName', $userName);
				$this->db->set('name', $name);
				$this->db->set('ssn', $ssn);
				$this->db->set('passwd', $password);
				$this->db->set('userType', $userType);
				$this->db->set('passwdHint', $pwdHint);
				$result = $this->db->insert('Users');
				
				//Check for my-sql error
				if($result) {
					//Return success
					return TRUE;
				}
			}
			
			//Return error
			return FALSE;
		}


		/*
		 *	This function removes users from the database.
		 *  RESTRICTED-LEVEL: Teacher
		 */
		public function removeUser($userName) {
			//Check that a user is logged in, has the right privileges (is teacher) and not is the users own username.
			if($this->isLoggedIn() && $this->getUserType() === 'Teacher' && $this->getUserName() != $userName) {
				//Query-structure
				$this->db->where('userName', $userName);
				$result = $this->db->delete('Users');
				
				//Check for my-sql error
				if($result) {
					//Return success
					return TRUE;
				}
			}
			
			//Return error
			return FALSE;
		}


		/*
		 *	This reset the password for the user.
		 *  RESTRICTED-LEVEL: Teacher
		 */
		public function resetUser($userName) {
			//Check that a user is logged in, has the right privileges (is teacher) and not is the users own username.
			if($this->isLoggedIn() && $this->getUserType() === 'Teacher' && $this->getUserName() != $userName) {
				//Check user type
				$this->db->select('userName, userType, ssn, email');
				$this->db->from('Users');
				$this->db->where('userName', $username);
				$this->db->limit(1);
				$query = $this->db->get();
				$result = $query->result();
				
				//If a matching DB record is found.
				if($result) {
					//Prepare new hash depending on user-type
					$newPwdHash = '';
					
					if ($row->userType == 'Student') {
						$newPwdHash = $this->getSaltedHash($row->ssn);
					}
					else if ($row->userType == 'Teacher') {
						//$newPwdHash = $this->getSaltedHash($row->email);
						$newPwdHash = $this->getSaltedHash($row->email);
					}
					
					//Execute reset
					$data = array(
						'passwd' => $newPwdHash,
						'passwdHint' => 'default',
						'firstLogin' => 1
					);
					
					$this->db->where('userName', $userName);
					$this->db->update('Users', $data);
					
					//Return Success!
					return TRUE;
				}
			}
			
			//Return error
			return FALSE;
		}


		/*
		 *	This parses a user list from ladok and returns an array with users.
		 *  RESTRICTED-LEVEL: Teacher
		 */
		public function parseLadok($string) {
			//Check that a user is logged in and has the right privileges (is teacher).
			if($this->isLoggedIn() && $this->getUserType() === 'Teacher') {
				$userArray = array();
				
				//Populate array with users from ladok
				$ladokUsers = preg_split( '/\r\n|\r|\n/', $string);
				
				//Trim lines
				foreach ($ladokUsers as $key => $value) {
					$ladokUsers[$key] = trim($ladokUsers[$key]);
				}
				
				//Split after last name
				foreach ($ladokUsers as $key => $value) {
					$ladokUsers[$key] = explode(',', trim($ladokUsers[$key]));
				}
				
				//Replace whitespaces and tabs with divider.
				foreach ($ladokUsers as $key => $value) {
					foreach ($ladokUsers[$key] as $key2 => $value2) {
						$ladokUsers[$key][$key2] = preg_replace('/\s+/', ' ', trim($ladokUsers[$key][$key2]));
					}
				}
				
				//Generate user array
				foreach ($ladokUsers as $key => $value) {
					$temp = array(
						'ssn' => substr($ladokUsers[$key][0], 0, 11),
						'lastname' => substr($ladokUsers[$key][0], 12, strlen($ladokUsers[$key][0])),
						'firstname' => substr($ladokUsers[$key][1], 0, stripos($ladokUsers[$key][1], ' ')),
						'email' => substr($ladokUsers[$key][1], (strrpos($ladokUsers[$key][1], ' ') + 1))
					);
					array_push($userArray, $temp);
				}
				
				//Return parsed user array
				return $userArray;
			}
			
			//If not authed
			return FALSE;
		}


		/*
		 *	Generates a salted password hash, encrypted with sha1.
		 *  RESTRICTED-LEVEL: System
		 */
		private function getSaltedHash($pwd) {
			//Salt = CodeIgniters encryption-key from config
			$salt = $this->config->item('encryption_key');
			
			//Generate SHA1 hash using salt
			$hash = sha1($salt.$pwd);
			
			return $hash;
		}


		/*
		 *	Log the login attempt.
		 *  RESTRICTED-LEVEL: System
		 */
		private function logLogin($userName, $valid) {
			$data = array(
				'userName' => $userName,
				'userAgent' => $this->session->userdata('user_agent'),
				'userIP' => $this->session->userdata('ip_address'),
				'browserID' => $this->session->userdata('session_id'),
				'success' => $valid
			);
			
			$this->db->insert('logUserLoginAttempts', $data);
		}


		/*
		 *	This function return TRUE if the user is logged in and FALSE otherwise.
		 *  RESTRICTED-LEVEL: System
		 */
		public function isLoggedIn() {
			if ($this->session->userdata('authenticated')) {
				return TRUE;
			}
			else{
				return FALSE;
			}
		}


		/*
		 *	This function returns the users type (or FALSE if user isn't logged in).
		 *  RESTRICTED-LEVEL: System
		 */
		public function getUserType() {
			if($this->isLoggedIn()) {
				$temp = $this->session->userdata('authenticated');
				return $temp['usertype'];
			}
			
			return FALSE;
		}


		/*
		 *	This function returns a boolean containing information if it is the first login.
		 *  RESTRICTED-LEVEL: System
		 */
		public function isFirstLogin() {
			if($this->isLoggedIn()) {
				$temp = $this->session->userdata('authenticated');
				if ($temp['firstLogin'] == 1) {
					return TRUE;
				}
			}
			
			return FALSE;
		}


		/*
		 *	This function returns the username (or FALSE if user isn't logged in).
		 *  RESTRICTED-LEVEL: System
		 */ 
		public function getUserName() {
			if($this->isLoggedIn()) {
				$temp = $this->session->userdata('authenticated');
				return $temp['username'];
			}
			
			return FALSE;
		}
	}
	
?>

36.3.1 by Daniel Hermansson Added login functionality	1	<?php
	2	Class User extends CI_Model {
	3	/*
	4	* Constructor
	5	*/
	6	function __construct() {
	7	parent::__construct();
	8
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	9	//Load required libraries and drivers
36.3.1 by Daniel Hermansson Added login functionality	10	$this->load->database();
	11	$this->load->library('session');
	12	}
	13
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	14
	15	/*
	16	* This function returns the users password hint (or FALSE if user isn't logged in).
	17	* RESTRICTED-LEVEL: None
	18	*/
	19	public function getPasswordHint($user) {
	20	//Query-structure
	21	$this->db->select('passwdHint');
	22	$this->db->from('Users');
	23	$this->db->where('userName', $user);
	24	$this->db->limit(1);
	25
	26	//Execute query
	27	$query = $this->db->get();
	28	$result = $query->result();
	29
	30	//If a matching DB record is found.
	31	if($result) {
64.1.1 by b11johgu ExamplesController:	32	foreach($result as $row) {
	33	$hint = $row->passwdHint;
	34
	35	//Return hint
	36	return $hint;
	37	}
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	38	}
	39
	40	//No such user
	41	return FALSE;
	42	}
	43
	44
36.3.1 by Daniel Hermansson Added login functionality	45	/*
52.1.1 by b11johgu Added controllers for examplepage, templatelayout.	46	* This function logs the user in (returns FALSE on fail).
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	47	* RESTRICTED-LEVEL: None
62.1.1 by Daniel Hermansson Cleaned code and added logging of logins	48	*/
	49	public function login($username, $password) {
36.3.1 by Daniel Hermansson Added login functionality	50	//Generate a salted hash
	51	$hash = $this->getSaltedHash($password);
	52
	53	//Query-structure
64.1.1 by b11johgu ExamplesController:	54	$this->db->select('userName, name, passwd, userType, ssn'); // Tog bort firstLogin här.
36.3.1 by Daniel Hermansson Added login functionality	55	$this->db->from('Users');
	56	$this->db->where('userName', $username);
	57	$this->db->where('passwd', $hash);
	58	$this->db->limit(1);
	59
	60	//Execute query
	61	$query = $this->db->get();
	62	$result = $query->result();
	63
	64	//If a matching DB record is found.
	65	if($result) {
	66	//Prepare session data
	67	$userDetails = array();
	68	foreach($result as $row) {
	69	$userDetails = array(
	70	'username' => $row->userName,
	71	'name' => $row->name,
	72	'usertype' => $row->userType,
64.1.1 by b11johgu ExamplesController:	73	'ssn' => $row->ssn,
64.1.1 by b11johgu ExamplesController:	74	// 'firstLogin' => $row->firstLogin
36.3.1 by Daniel Hermansson Added login functionality	75	);
	76	}
	77
	78	//Set session data
	79	$this->session->set_userdata('authenticated', $userDetails);
	80
62.1.1 by Daniel Hermansson Cleaned code and added logging of logins	81	//Log attempt as valid
	82	$this->logLogin($username, 1);
	83
36.3.1 by Daniel Hermansson Added login functionality	84	//Return success
36.3.1 by Daniel Hermansson Added login functionality	85	return TRUE;
52.1.1 by b11johgu Added controllers for examplepage, templatelayout.	86	}
	87
62.1.1 by Daniel Hermansson Cleaned code and added logging of logins	88	//Log attempt as invalid
	89	$this->logLogin($username, 0);
	90
52.1.1 by b11johgu Added controllers for examplepage, templatelayout.	91	//Return fail
62.1.1 by Daniel Hermansson Cleaned code and added logging of logins	92	return FALSE;
36.3.1 by Daniel Hermansson Added login functionality	93	}
	94
	95
	96	/*
	97	* This function logs the user out.
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	98	* RESTRICTED-LEVEL: Self
64.1.1 by b11johgu ExamplesController:	99	*/
64.1.1 by b11johgu ExamplesController:	100	public function logout() {
36.3.1 by Daniel Hermansson Added login functionality	101	//Unset session data
	102	$this->session->unset_userdata('authenticated');
	103	}
64.1.1 by b11johgu ExamplesController:	104
36.3.1 by Daniel Hermansson Added login functionality	105
36.3.1 by Daniel Hermansson Added login functionality	106	/*
52.1.1 by b11johgu Added controllers for examplepage, templatelayout.	107	* This function changes the users password.
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	108	* RESTRICTED-LEVEL: Self
64.1.1 by b11johgu ExamplesController:	109	*/
52.1.1 by b11johgu Added controllers for examplepage, templatelayout.	110	public function changePassword($pwdOld, $pwdNew, $pwdHint) {
	111	//Check that a user is logged in.
	112	if($this->isLoggedIn()) {
	113	$user = $this->getUserName();
	114	$oldHash = $this->getSaltedHash($pwdOld);
	115	$newHash = $this->getSaltedHash($pwdNew);
	116
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	117	//Validate input with database
52.1.1 by b11johgu Added controllers for examplepage, templatelayout.	118	$this->db->select('userName');
	119	$this->db->from('Users');
	120	$this->db->where('userName', $user);
	121	$this->db->where('passwd', $oldHash);
	122	$this->db->limit(1);
	123	$query = $this->db->get();
	124	$result = $query->result();
	125
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	126	//If a matching DB record is found, update database.
52.1.1 by b11johgu Added controllers for examplepage, templatelayout.	127	if($result) {
	128	$data = array(
	129	'passwd' => $newHash,
	130	'passwdHint' => $pwdHint
	131	);
	132
	133	$this->db->where('userName', $user);
	134	$this->db->update('Users', $data);
	135
	136	//Return Success!
64.1.1 by b11johgu ExamplesController:	137	return TRUE;
52.1.1 by b11johgu Added controllers for examplepage, templatelayout.	138	}
	139	}
	140
	141	//Return error
	142	return FALSE;
	143	}
	144
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	145
	146	/*
	147	* This function registers user into the database.
	148	* RESTRICTED-LEVEL: Teacher
	149	*/
	150	public function addUser($userName, $name, $ssn, $password, $userType, $pwdHint) {
	151	//Check that a user is logged in and has the right privileges (is teacher)
	152	if($this->isLoggedIn() && $this->getUserType() === 'Teacher') {
	153	//Generate a salted hash
	154	$hash = $this->getSaltedHash($password);
	155
	156	//Query-structure (All values are escaped automatically by codeigninte, producing safer queries.)
	157	$this->db->set('userName', $userName);
	158	$this->db->set('name', $name);
	159	$this->db->set('ssn', $ssn);
	160	$this->db->set('passwd', $password);
	161	$this->db->set('userType', $userType);
	162	$this->db->set('passwdHint', $pwdHint);
	163	$result = $this->db->insert('Users');
	164
	165	//Check for my-sql error
	166	if($result) {
	167	//Return success
	168	return TRUE;
64.1.1 by b11johgu ExamplesController:	169	}
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	170	}
	171
	172	//Return error
	173	return FALSE;
	174	}
64.1.1 by b11johgu ExamplesController:	175
64.1.1 by b11johgu ExamplesController:	176
52.1.1 by b11johgu Added controllers for examplepage, templatelayout.	177	/*
	178	* This function removes users from the database.
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	179	* RESTRICTED-LEVEL: Teacher
64.1.1 by b11johgu ExamplesController:	180	*/
52.1.1 by b11johgu Added controllers for examplepage, templatelayout.	181	public function removeUser($userName) {
	182	//Check that a user is logged in, has the right privileges (is teacher) and not is the users own username.
	183	if($this->isLoggedIn() && $this->getUserType() === 'Teacher' && $this->getUserName() != $userName) {
	184	//Query-structure
	185	$this->db->where('userName', $userName);
64.1.1 by b11johgu ExamplesController:	186	$result = $this->db->delete('Users');
52.1.1 by b11johgu Added controllers for examplepage, templatelayout.	187
	188	//Check for my-sql error
	189	if($result) {
	190	//Return success
	191	return TRUE;
64.1.1 by b11johgu ExamplesController:	192	}
52.1.1 by b11johgu Added controllers for examplepage, templatelayout.	193	}
	194
	195	//Return error
	196	return FALSE;
	197	}
64.1.1 by b11johgu ExamplesController:	198
64.1.1 by b11johgu ExamplesController:	199
62.1.2 by Daniel Hermansson Added functionality for resetting a users password	200	/*
	201	* This reset the password for the user.
	202	* RESTRICTED-LEVEL: Teacher
	203	*/
	204	public function resetUser($userName) {
	205	//Check that a user is logged in, has the right privileges (is teacher) and not is the users own username.
	206	if($this->isLoggedIn() && $this->getUserType() === 'Teacher' && $this->getUserName() != $userName) {
	207	//Check user type
	208	$this->db->select('userName, userType, ssn, email');
	209	$this->db->from('Users');
	210	$this->db->where('userName', $username);
	211	$this->db->limit(1);
	212	$query = $this->db->get();
	213	$result = $query->result();
	214
	215	//If a matching DB record is found.
	216	if($result) {
	217	//Prepare new hash depending on user-type
	218	$newPwdHash = '';
	219
	220	if ($row->userType == 'Student') {
	221	$newPwdHash = $this->getSaltedHash($row->ssn);
	222	}
	223	else if ($row->userType == 'Teacher') {
	224	//$newPwdHash = $this->getSaltedHash($row->email);
	225	$newPwdHash = $this->getSaltedHash($row->email);
	226	}
	227
	228	//Execute reset
	229	$data = array(
	230	'passwd' => $newPwdHash,
64.1.1 by b11johgu ExamplesController:	231	'passwdHint' => 'default',
64.1.1 by b11johgu ExamplesController:	232	'firstLogin' => 1
62.1.2 by Daniel Hermansson Added functionality for resetting a users password	233	);
	234
	235	$this->db->where('userName', $userName);
	236	$this->db->update('Users', $data);
	237
	238	//Return Success!
	239	return TRUE;
	240	}
	241	}
	242
	243	//Return error
	244	return FALSE;
	245	}
64.1.1 by b11johgu ExamplesController:	246
64.1.1 by b11johgu ExamplesController:	247
62.1.3 by Daniel Hermansson Added functionality for parsing a user list from ladok into a user array (for future use)	248	/*
68.1.1 by Daniel Hermansson Modified and corrected parser functionality.	249	* This parses a user list from ladok and returns an array with users.
62.1.3 by Daniel Hermansson Added functionality for parsing a user list from ladok into a user array (for future use)	250	* RESTRICTED-LEVEL: Teacher
	251	*/
68.1.1 by Daniel Hermansson Modified and corrected parser functionality.	252	public function parseLadok($string) {
	253	//Check that a user is logged in and has the right privileges (is teacher).
	254	if($this->isLoggedIn() && $this->getUserType() === 'Teacher') {
	255	$userArray = array();
	256
	257	//Populate array with users from ladok
	258	$ladokUsers = preg_split( '/\r\n\|\r\|\n/', $string);
	259
	260	//Trim lines
	261	foreach ($ladokUsers as $key => $value) {
	262	$ladokUsers[$key] = trim($ladokUsers[$key]);
	263	}
	264
	265	//Split after last name
	266	foreach ($ladokUsers as $key => $value) {
	267	$ladokUsers[$key] = explode(',', trim($ladokUsers[$key]));
	268	}
	269
	270	//Replace whitespaces and tabs with divider.
	271	foreach ($ladokUsers as $key => $value) {
	272	foreach ($ladokUsers[$key] as $key2 => $value2) {
	273	$ladokUsers[$key][$key2] = preg_replace('/\s+/', ' ', trim($ladokUsers[$key][$key2]));
	274	}
	275	}
	276
	277	//Generate user array
	278	foreach ($ladokUsers as $key => $value) {
	279	$temp = array(
	280	'ssn' => substr($ladokUsers[$key][0], 0, 11),
	281	'lastname' => substr($ladokUsers[$key][0], 12, strlen($ladokUsers[$key][0])),
	282	'firstname' => substr($ladokUsers[$key][1], 0, stripos($ladokUsers[$key][1], ' ')),
	283	'email' => substr($ladokUsers[$key][1], (strrpos($ladokUsers[$key][1], ' ') + 1))
	284	);
	285	array_push($userArray, $temp);
	286	}
	287
	288	//Return parsed user array
	289	return $userArray;
62.1.3 by Daniel Hermansson Added functionality for parsing a user list from ladok into a user array (for future use)	290	}
68.1.1 by Daniel Hermansson Modified and corrected parser functionality.	291
	292	//If not authed
	293	return FALSE;
62.1.3 by Daniel Hermansson Added functionality for parsing a user list from ladok into a user array (for future use)	294	}
64.1.1 by b11johgu ExamplesController:	295
52.1.1 by b11johgu Added controllers for examplepage, templatelayout.	296
	297	/*
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	298	* Generates a salted password hash, encrypted with sha1.
62.1.1 by Daniel Hermansson Cleaned code and added logging of logins	299	* RESTRICTED-LEVEL: System
	300	*/
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	301	private function getSaltedHash($pwd) {
	302	//Salt = CodeIgniters encryption-key from config
	303	$salt = $this->config->item('encryption_key');
36.3.1 by Daniel Hermansson Added login functionality	304
	305	//Generate SHA1 hash using salt
	306	$hash = sha1($salt.$pwd);
	307
	308	return $hash;
	309	}
62.1.1 by Daniel Hermansson Cleaned code and added logging of logins	310
	311
	312	/*
	313	* Log the login attempt.
	314	* RESTRICTED-LEVEL: System
	315	*/
	316	private function logLogin($userName, $valid) {
	317	$data = array(
	318	'userName' => $userName,
	319	'userAgent' => $this->session->userdata('user_agent'),
	320	'userIP' => $this->session->userdata('ip_address'),
64.1.1 by b11johgu ExamplesController:	321	'browserID' => $this->session->userdata('session_id'),
62.1.1 by Daniel Hermansson Cleaned code and added logging of logins	322	'success' => $valid
	323	);
	324
	325	$this->db->insert('logUserLoginAttempts', $data);
	326	}
64.1.1 by b11johgu ExamplesController:	327
64.1.1 by b11johgu ExamplesController:	328
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	329	/*
	330	* This function return TRUE if the user is logged in and FALSE otherwise.
	331	* RESTRICTED-LEVEL: System
64.1.1 by b11johgu ExamplesController:	332	*/
64.1.1 by b11johgu ExamplesController:	333	public function isLoggedIn() {
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	334	if ($this->session->userdata('authenticated')) {
	335	return TRUE;
	336	}
64.1.1 by b11johgu ExamplesController:	337	else{
	338	return FALSE;
	339	}
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	340	}
64.1.1 by b11johgu ExamplesController:	341
64.1.1 by b11johgu ExamplesController:	342
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	343	/*
	344	* This function returns the users type (or FALSE if user isn't logged in).
	345	* RESTRICTED-LEVEL: System
64.1.1 by b11johgu ExamplesController:	346	*/
64.1.1 by b11johgu ExamplesController:	347	public function getUserType() {
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	348	if($this->isLoggedIn()) {
	349	$temp = $this->session->userdata('authenticated');
	350	return $temp['usertype'];
	351	}
	352
	353	return FALSE;
	354	}
64.1.1 by b11johgu ExamplesController:	355
64.1.1 by b11johgu ExamplesController:	356
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	357	/*
62.1.4 by Daniel Hermansson Added method for checking if its the first time a user logs on or not (to know when to require them to change password)	358	* This function returns a boolean containing information if it is the first login.
	359	* RESTRICTED-LEVEL: System
	360	*/
	361	public function isFirstLogin() {
	362	if($this->isLoggedIn()) {
	363	$temp = $this->session->userdata('authenticated');
	364	if ($temp['firstLogin'] == 1) {
	365	return TRUE;
	366	}
	367	}
	368
	369	return FALSE;
	370	}
64.1.1 by b11johgu ExamplesController:	371
64.1.1 by b11johgu ExamplesController:	372
62.1.4 by Daniel Hermansson Added method for checking if its the first time a user logs on or not (to know when to require them to change password)	373	/*
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	374	* This function returns the username (or FALSE if user isn't logged in).
	375	* RESTRICTED-LEVEL: System
	376	*/
64.1.1 by b11johgu ExamplesController:	377	public function getUserName() {
53.2.2 by Daniel Hermansson Activated hash salting, and cleaned up some code.	378	if($this->isLoggedIn()) {
	379	$temp = $this->session->userdata('authenticated');
	380	return $temp['username'];
	381	}
	382
	383	return FALSE;
	384	}
36.3.1 by Daniel Hermansson Added login functionality	385	}
64.1.1 by b11johgu ExamplesController:	386
36.3.1 by Daniel Hermansson Added login functionality	387	?>