96 lines
2.8 KiB
PHP
96 lines
2.8 KiB
PHP
<?php
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/*
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* Session Handler
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*/
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namespace Sakura;
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class Session {
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// Current user data
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public static $userId;
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public static $sessionId;
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// Initiate new session
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public static function init() {
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// Start PHP session
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if(session_status() != PHP_SESSION_ACTIVE)
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session_start();
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// Assign user and session IDs
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self::$userId = isset($_COOKIE[Configuration::getConfig('cookie_prefix') .'id']) ? $_COOKIE[Configuration::getConfig('cookie_prefix') .'id'] : 0;
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self::$sessionId = isset($_COOKIE[Configuration::getConfig('cookie_prefix') .'session']) ? $_COOKIE[Configuration::getConfig('cookie_prefix') .'session'] : '';
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}
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// Create new session
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public static function newSession($userID, $remember = false) {
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// Generate session key
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$session = sha1($userID . base64_encode('sakura'. mt_rand(0, 99999999)) . time());
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// Insert the session into the database
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Database::insert('sessions', [
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'userip' => Main::getRemoteIP(),
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'useragent' => Main::cleanString($_SERVER['HTTP_USER_AGENT']),
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'userid' => $userID,
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'skey' => $session,
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'started' => time(),
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'expire' => time() + 604800,
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'remember' => $remember
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]);
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// Return the session key
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return $session;
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}
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// Check session data (expiry, etc.)
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public static function checkSession($userId, $sessionId) {
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// Get session from database
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$session = Database::fetch('sessions', true, ['userid' => [$userId, '='], 'skey' => [$sessionId, '=']]);
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// Check if we actually got something in return
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if(!count($session))
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return false;
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else
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$session = $session[0];
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// Check if the session expired
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if($session['expire'] < time()) {
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// If it is delete the session...
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self::deleteSession($session['id']);
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// ...and return false
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return false;
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}
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// If the remember flag is set extend the session time
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if($session['remember'])
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Database::update('sessions', [['expire' => time() + 604800], ['id' => [$session['id'], '=']]]);
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// Return 2 if the remember flag is set and return 1 if not
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return $session['remember'] ? 2 : 1;
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}
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// Delete a session
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public static function deleteSession($sessionId, $key = false) {
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// Check if the session exists
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if(!Database::fetch('sessions', [($key ? 'skey' : 'id'), true, [$sessionId, '=']]))
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return false;
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// Run the query
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Database::delete('sessions', [($key ? 'skey' : 'id'), [$sessionId, '=']]);
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// Return true if key was found and deleted
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return true;
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}
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}
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