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97 lines
4.8 KiB
PHP
97 lines
4.8 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 ($display = false) {
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if (function_exists('pcntl_fork')) {
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$pid = pcntl_fork();
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}
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global $AMS_TMPDIR;
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$pidfile = $AMS_TMPDIR.'/ams_cron_pid';
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if(isset($pid) and function_exists('pcntl_fork') ) {
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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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if (!$file)
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echo $pidfile.' is not writeable.';
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error_log($pidfile.' is not writeable.');
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throw new SystemExit();
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}
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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->selectWithParameter("UId", "user", $values, "Login= :username" );
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$result = $sth->fetchAll();
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foreach ($result as $UId) {
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$ins_values = array('UId' => $UId['UId']);
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$ins_values['ClientApplication'] = "r2";
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$ins_values['AccessPrivilege'] = "OPEN";
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$db->insert("permission", $ins_values);
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$ins_values['ClientApplication'] = 'ryzom_open';
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$db->insert("permission",$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('Password' => $decode[1]);
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//make connection with and put into shard db & delete from the lib
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$db->update("user", $values, "Login = '$decode[0]'");
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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('Email' => $decode[1]);
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//make connection with and put into shard db & delete from the lib
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$db->update("user", $values, "Login = '$decode[0]'");
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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], 'Password' => $decode[1], 'Email' => $decode[2] );
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//make connection with and put into shard db & delete from the lib
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$db->insert("user", $values);
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break;
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}
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$dbl->delete("ams_querycache", array('SID' => $record['SID']), "SID=:SID");
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}
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if ($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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