89 lines
4.6 KiB
PHP
89 lines
4.6 KiB
PHP
<?php
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/**
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* handler for performing changes when shard is back online after being offline.
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* the sync class is responsible for the syncdata function, which will synchronise the website with the shard
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* (when the shard is offline, users can still change their password, email or even register)
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* @author Daan Janssens, mentored by Matthew Lagoe
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*/
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class Sync{
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/**
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* performs the actions listed in the querycache.
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* All entries in the querycache will be read and performed depending on their type.
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* This is done because the shard could have been offline and we want changes made on the website (which is still online) to eventually hit the shard.
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* These changes are: createPermissions, createUser, change_pass, change_mail
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*/
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static public function syncdata ($display = true) {
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if (function_exists('pcntl_fork')) {
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$pid = pcntl_fork();
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}
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$pidfile = '/tmp/ams_cron_pid';
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if(isset($pid)) {
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// We're the main process.
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} else {
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if(!file_exists($pidfile)) {
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$pid = getmypid();
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$file = fopen($pidfile, 'w');
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fwrite($file, $pid);
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fclose($file);
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try {
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$dbl = new DBLayer("lib");
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$statement = $dbl->executeWithoutParams("SELECT * FROM ams_querycache");
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$rows = $statement->fetchAll();
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foreach ($rows as $record) {
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$db = new DBLayer($record['db']);
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switch($record['type']) {
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case 'createPermissions':
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$decode = json_decode($record['query']);
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$values = array('username' => $decode[0]);
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//make connection with and put into shard db & delete from the lib
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$sth = $db->execute("SELECT UId FROM user WHERE Login= :username;", $values);
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$result = $sth->fetchAll();
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foreach ($result as $UId) {
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$ins_values = array('id' => $UId['UId']);
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$db->execute("INSERT INTO permission (UId, ClientApplication, AccessPrivilege) VALUES (:id, 'r2', 'OPEN');", $ins_values);
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$db->execute("INSERT INTO permission (UId, ClientApplication, AccessPrivilege) VALUES (:id , 'ryzom_open', 'OPEN');", $ins_values);
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}
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break;
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case 'change_pass':
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$decode = json_decode($record['query']);
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$values = array('user' => $decode[0], 'pass' => $decode[1]);
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//make connection with and put into shard db & delete from the lib
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$db->execute("UPDATE user SET Password = :pass WHERE Login = :user",$values);
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break;
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case 'change_mail':
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$decode = json_decode($record['query']);
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$values = array('user' => $decode[0], 'mail' => $decode[1]);
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//make connection with and put into shard db & delete from the lib
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$db->execute("UPDATE user SET Email = :mail WHERE Login = :user",$values);
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break;
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case 'createUser':
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$decode = json_decode($record['query']);
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$values = array('login' => $decode[0], 'pass' => $decode[1], 'mail' => $decode[2] );
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//make connection with and put into shard db & delete from the lib
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$db->execute("INSERT INTO user (Login, Password, Email) VALUES (:login, :pass, :mail)",$values);
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break;
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}
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$dbl->execute("DELETE FROM ams_querycache WHERE SID=:SID",array('SID' => $record['SID']));
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}
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if ($display == true) {
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print('Syncing completed');
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}
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}
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catch (PDOException $e) {
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if ($display == true) {
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print('Something went wrong! The shard is probably still offline!');
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print_r($e);
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}
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}
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unlink($pidfile);
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}
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}
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}
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}
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