67 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			67 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
<?php
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class AuthManager {
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	private $db;
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	public function __construct($db) {
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		$this->db = $db;
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	}
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	public function generateSessionId() {
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		return md5(time() + rand() * 0.100);
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	}
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	public function getProgram($program_id = 0) {
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		$program_data = NULL;
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		if($result = $this->db->query('SELECT * FROM `programs` WHERE `id` = \''.$program_id.'\' AND `active` = 1;')) {
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			if($row = $result->fetch_assoc()) {
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				$program_data = $row;
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			}
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			$result->free();
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		}
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		return $program_data;
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	}
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	public function getUser($username = NULL, $password = NULL) {
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		$user_data = NULL;
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		if($result = $this->db->query('SELECT * FROM `users` WHERE `username` = \''.$username.'\' AND `password` = \''.$password.'\' AND `active` = 1;')) {
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			if($row = $result->fetch_assoc()) {
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				$user_data = $row;
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			}
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			$result->free();
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		}
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		return $user_data;
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	}
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	public function createSession($session_id, $program_id, $user_id, $ip) {
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		$ip = ip2long($ip);
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		if($this->db->query('INSERT INTO `sessions` (`session_id`, `program_id`, `user_id`, `creation_time`, `last_ping_time`, `ip`) 
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			VALUES (\''.$session_id.'\', '.$program_id.', '.$user_id.', UNIX_TIMESTAMP(), UNIX_TIMESTAMP(), '.$ip.');')) {
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			return $this->db->affected_rows > 0;
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		}
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		return FALSE;
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	}
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	public function getSession($session_id = NULL) {
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		$session_data = NULL;
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		if($result = $this->db->query('SELECT * FROM `sessions` WHERE `session_id` = \''.$session_id.'\' AND `last_ping_time` > UNIX_TIMESTAMP() - 900;')) {
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			if($row = $result->fetch_assoc()) {
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				$session_data = $row;
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			}
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			$result->free();
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		}
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		return $session_data;
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	}
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	public function logActivity($session_id, $program_id, $user_id, $ip, $action) {
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		$ip = ip2long($ip);
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		if($this->db->query("INSERT INTO `activity_logs` (`session_id`, `program_id`, `user_id`, `ip`, `activity_time`, `action`) 
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			VALUES ('$session_id', $program_id, $user_id, $ip, UNIX_TIMESTAMP(), '$action');")) {
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			if($this->db->affected_rows > 0) {
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				return TRUE;
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			}
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		}
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		return FALSE;
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	}
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}
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?>
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