From 381520c8866a5f3be7e743e3ae16b6fb2988c495 Mon Sep 17 00:00:00 2001
From: mcramer <m.cramer@pixcept.de>
Date: Tue, 21 Aug 2012 13:51:27 -0400
Subject: [PATCH] Implemented FS#1448 - one database user name and multiple databases Bugfix on db-Class (datalog Update)
---
server/plugins-available/mysql_clientdb_plugin.inc.php | 412 ++++++++++++++++++++++++++++++++++++++++++++++------------
1 files changed, 328 insertions(+), 84 deletions(-)
diff --git a/server/plugins-available/mysql_clientdb_plugin.inc.php b/server/plugins-available/mysql_clientdb_plugin.inc.php
index 7711236..98efd8c 100644
--- a/server/plugins-available/mysql_clientdb_plugin.inc.php
+++ b/server/plugins-available/mysql_clientdb_plugin.inc.php
@@ -1,7 +1,7 @@
<?php
/*
-Copyright (c) 2008, Till Brehm, projektfarm Gmbh
+Copyright (c) 2007, Till Brehm, projektfarm Gmbh
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
@@ -33,6 +33,19 @@
var $plugin_name = 'mysql_clientdb_plugin';
var $class_name = 'mysql_clientdb_plugin';
+ //* This function is called during ispconfig installation to determine
+ // if a symlink shall be created for this plugin.
+ function onInstall() {
+ global $conf;
+
+ if($conf['services']['db'] == true) {
+ return true;
+ } else {
+ return false;
+ }
+
+ }
+
/*
This function is called when the plugin is loaded
@@ -45,107 +58,254 @@
Register for the events
*/
- //* Mailboxes
+ //* Databases
$app->plugins->registerEvent('database_insert',$this->plugin_name,'db_insert');
$app->plugins->registerEvent('database_update',$this->plugin_name,'db_update');
$app->plugins->registerEvent('database_delete',$this->plugin_name,'db_delete');
+ //* Database users
+ $app->plugins->registerEvent('database_user_insert',$this->plugin_name,'db_user_insert');
+ $app->plugins->registerEvent('database_user_update',$this->plugin_name,'db_user_update');
+ $app->plugins->registerEvent('database_user_delete',$this->plugin_name,'db_user_delete');
+
}
+ function process_host_list($action, $database_name, $database_user, $database_password, $host_list, $link, $database_rename_user = '', $user_read_only = false) {
+ global $app;
+
+ $action = strtoupper($action);
+
+ // set to all hosts if none given
+ if(trim($host_list) == '') $host_list = '%';
+
+ // process arrays and comma separated strings
+ if(!is_array($host_list)) $host_list = explode(',', $host_list);
+
+ $success = true;
+
+ // loop through hostlist
+ foreach($host_list as $db_host) {
+ $db_host = trim($db_host);
+
+ // check if entry is valid ip address
+ $valid = true;
+ if($db_host == '%') {
+ $valid = true;
+ } elseif(preg_match("/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/", $db_host)) {
+ $groups = explode('.', $db_host);
+ foreach($groups as $group){
+ if($group<0 OR $group>255)
+ $valid=false;
+ }
+ } else {
+ $valid = false;
+ }
+
+ if($valid == false) continue;
+
+ if($action == 'GRANT') {
+ if(!$link->query("GRANT " . ($user_read_only ? "SELECT" : "ALL") . " ON ".$link->escape_string($database_name).".* TO '".$link->escape_string($database_user)."'@'$db_host' IDENTIFIED BY PASSWORD '".$link->escape_string($database_password)."';")) $success = false;
+ } elseif($action == 'REVOKE') {
+ if(!$link->query("REVOKE ALL PRIVILEGES ON ".$link->escape_string($database_name).".* FROM '".$link->escape_string($database_user)."'@'$db_host' IDENTIFIED BY PASSWORD '".$link->escape_string($database_password)."';")) $success = false;
+ } elseif($action == 'DROP') {
+ if(!$link->query("DROP USER '".$link->escape_string($database_user)."'@'$db_host';")) $success = false;
+ } elseif($action == 'RENAME') {
+ if(!$link->query("RENAME USER '".$link->escape_string($database_user)."'@'$db_host' TO '".$link->escape_string($database_rename_user)."'@'$db_host'")) $success = false;
+ } elseif($action == 'PASSWORD') {
+ if(!$link->query("SET PASSWORD FOR '".$link->escape_string($database_user)."'@'$db_host' = '".$link->escape_string($database_password)."';")) $success = false;
+ }
+ }
+
+ return $success;
+ }
function db_insert($event_name,$data) {
global $app, $conf;
- if($data["new"]["type"] == 'mysql') {
- if(!include_once(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
+ if($data['new']['type'] == 'mysql') {
+ if(!include(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
$app->log('Unable to open'.ISPC_LIB_PATH.'/mysql_clientdb.conf',LOGLEVEL_ERROR);
- }
-
- //* Connect to the database
- $link = mysql_connect($clientdb_host, $clientdb_user, $clientdb_password);
- if (!$link) {
- $app->log('Unable to connect to the database'.mysql_error($link),LOGLEVEL_ERROR);
return;
}
-
+
+ //* Connect to the database
+ $link = new mysqli($clientdb_host, $clientdb_user, $clientdb_password);
+ if ($link->connect_error) {
+ $app->log('Unable to connect to mysql'.$link->connect_error,LOGLEVEL_ERROR);
+ return;
+ }
+
+ // Charset for the new table
+ if($data['new']['database_charset'] != '') {
+ $query_charset_table = ' DEFAULT CHARACTER SET '.$data['new']['database_charset'];
+ } else {
+ $query_charset_table = '';
+ }
+
//* Create the new database
- if (mysql_query('CREATE DATABASE '.addslashes($data["new"]["database_name"]),$link)) {
- $app->log('Created MySQL database: '.$data["new"]["database_name"],LOGLEVEL_DEBUG);
+ if ($link->query('CREATE DATABASE '.$link->escape_string($data['new']['database_name']).$query_charset_table)) {
+ $app->log('Created MySQL database: '.$data['new']['database_name'],LOGLEVEL_DEBUG);
} else {
- $app->log('Unable to connect to the database'.mysql_error($link),LOGLEVEL_ERROR);
+ $app->log('Unable to create the database: '.$link->error,LOGLEVEL_WARNING);
}
- // Create the database user
- if($data["new"]["remote_access"] == 'y') {
- $db_host = '%';
- } else {
- $db_host = 'localhost';
+ // Create the database user if database is active
+ if($data['new']['active'] == 'y') {
+
+ // get the users for this database
+ $db_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = '" . intval($data['new']['database_user_id']) . "'");
+
+ $db_ro_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = '" . intval($data['new']['database_ro_user_id']) . "'");
+
+ $host_list = '';
+ if($data['new']['remote_access'] == 'y') {
+ $host_list = $data['new']['remote_ips'];
+ }
+ if($host_list != '') $host_list .= ',';
+ $host_list .= 'localhost';
+
+ if($db_user) {
+ if($db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else $this->process_host_list('GRANT', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $host_list, $link);
+ }
+ if($db_ro_user && $data['new']['database_user_id'] != $data['new']['database_ro_user_id']) {
+ if($db_ro_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else $this->process_host_list('GRANT', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $host_list, $link, '', true);
+ }
+
}
- mysql_query("GRANT ALL ON ".addslashes($data["new"]["database_name"]).".* TO '".addslashes($data["new"]["database_user"])."'@'$db_host' IDENTIFIED BY '".addslashes($data["new"]["database_password"])."';",$link);
- //echo "GRANT ALL ON ".addslashes($data["new"]["database_name"]).".* TO '".addslashes($data["new"]["database_user"])."'@'$db_host' IDENTIFIED BY '".addslashes($data["new"]["database_password"])."';";
-
- mysql_query("FLUSH PRIVILEGES;",$link);
- mysql_close($link);
+ $link->query('FLUSH PRIVILEGES;');
+ $link->close();
}
}
function db_update($event_name,$data) {
global $app, $conf;
- if($data["new"]["type"] == 'mysql') {
- if(!include_once(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
+ if($data['new']['type'] == 'mysql') {
+ if(!include(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
$app->log('Unable to open'.ISPC_LIB_PATH.'/mysql_clientdb.conf',LOGLEVEL_ERROR);
return;
}
-
+
//* Connect to the database
- $link = mysql_connect($clientdb_host, $clientdb_user, $clientdb_password);
- if (!$link) {
- $app->log('Unable to connect to the database'.mysql_error($link),LOGLEVEL_ERROR);
+ $link = new mysqli($clientdb_host, $clientdb_user, $clientdb_password);
+ if ($link->connect_error) {
+ $app->log('Unable to connect to the database: '.$link->connect_error,LOGLEVEL_ERROR);
+ return;
}
- //* Rename User
- if($data["new"]["database_user"] != $data["old"]["database_user"]) {
- mysql_query("RENAME USER '".addslashes($data["old"]["database_user"])."' TO '".addslashes($data["new"]["database_user"])."'",$link);
- $app->log('Renaming mysql user: '.$data["old"]["database_user"].' to '.$data["new"]["database_user"],LOGLEVEL_DEBUG);
+ // get the users for this database
+ $db_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = '" . intval($data['new']['database_user_id']) . "'");
+
+ $db_ro_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = '" . intval($data['new']['database_ro_user_id']) . "'");
+
+ $host_list = '';
+ if($data['new']['remote_access'] == 'y') {
+ $host_list = $data['new']['remote_ips'];
+ }
+ if($host_list != '') $host_list .= ',';
+ $host_list .= 'localhost';
+
+ // Create the database user if database was disabled before
+ if($data['new']['active'] == 'y' && $data['old']['active'] == 'n') {
+ if($db_user) {
+ if($db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else $this->process_host_list('GRANT', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $host_list, $link);
+ }
+ if($db_ro_user && $data['new']['database_user_id'] != $data['new']['database_ro_user_id']) {
+ if($db_ro_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else $this->process_host_list('GRANT', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $host_list, $link, '', true);
+ }
+ } else if($data['new']['active'] == 'n' && $data['old']['active'] == 'y') { // revoke database user, if inactive
+ if($db_user) {
+ if($db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else $this->process_host_list('REVOKE', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $host_list, $link);
+ }
+ if($db_ro_user && $data['new']['database_user_id'] != $data['new']['database_ro_user_id']) {
+ if($db_ro_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else $this->process_host_list('REVOKE', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $host_list, $link);
+ }
}
+
+ //* selected Users have changed
+ if($data['new']['database_user_id'] != $data['old']['database_user_id']) {
+ if($data['old']['database_user_id'] && $data['old']['database_user_id'] != $data['new']['database_ro_user_id']) {
+ $old_db_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = '" . intval($data['old']['database_user_id']) . "'");
+ if($old_db_user) {
+ if($old_db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else $this->process_host_list('REVOKE', $data['new']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $host_list, $link);
+ }
+ }
+ if($db_user) {
+ if($db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else $this->process_host_list('GRANT', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $host_list, $link);
+ }
+ }
+ if($data['new']['database_ro_user_id'] != $data['old']['database_ro_user_id']) {
+ if($data['old']['database_ro_user_id'] && $data['old']['database_ro_user_id'] != $data['new']['database_user_id']) {
+ $old_db_user = $app->db->queryOneRecord("SELECT `database_user`, `database_password` FROM `web_database_user` WHERE `database_user_id` = '" . intval($data['old']['database_ro_user_id']) . "'");
+ if($old_db_user) {
+ if($old_db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else $this->process_host_list('REVOKE', $data['new']['database_name'], $old_db_user['database_user'], $old_db_user['database_password'], $host_list, $link);
+ }
+ }
+ if($db_ro_user && $data['new']['database_user_id'] != $data['new']['database_ro_user_id']) {
+ if($db_ro_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else $this->process_host_list('GRANT', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $host_list, $link, '', true);
+ }
+ }
//* Remote access option has changed.
- if($data["new"]["remote_access"] != $data["old"]["remote_access"]) {
- if($data["new"]["remote_access"] == 'y') {
- mysql_query("UPDATE mysql.user SET Host = '%' WHERE User = '".addslashes($data["new"]["database_user"])."' and Host = 'localhost';",$link);
- mysql_query("UPDATE mysql.db SET Host = '%' WHERE User = '".addslashes($data["new"]["database_user"])."' and Host = 'localhost';",$link);
+ if($data['new']['remote_access'] != $data['old']['remote_access']) {
+
+ //* revoke old priveliges
+ //mysql_query("REVOKE ALL PRIVILEGES ON ".mysql_real_escape_string($data["new"]["database_name"],$link).".* FROM '".mysql_real_escape_string($data["new"]["database_user"],$link)."';",$link);
+
+ //* set new priveliges
+ if($data['new']['remote_access'] == 'y') {
+ if($db_user) {
+ if($db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else $this->process_host_list('GRANT', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $data['new']['remote_ips'], $link);
+ }
+ if($db_ro_user && $data['new']['database_user_id'] != $data['new']['database_ro_user_id']) {
+ if($db_ro_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else $this->process_host_list('GRANT', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $data['new']['remote_ips'], $link, '', true);
+ }
} else {
- mysql_query("UPDATE mysql.user SET Host = 'localhost' WHERE User = '".addslashes($data["new"]["database_user"])."' and Host = '%';",$link);
- mysql_query("UPDATE mysql.db SET Host = 'localhost' WHERE User = '".addslashes($data["new"]["database_user"])."' and Host = '%';",$link);
+ if($db_user) {
+ if($db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else $this->process_host_list('REVOKE', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $data['new']['remote_ips'], $link);
+ }
+ if($db_ro_user && $data['new']['database_user_id'] != $data['new']['database_ro_user_id']) {
+ if($db_ro_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else $this->process_host_list('REVOKE', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $data['new']['remote_ips'], $link);
+ }
}
- $app->log('Changing mysql remote access priveliges for database: '.$data["new"]["database_name"],LOGLEVEL_DEBUG);
- }
+ $app->log('Changing MySQL remote access privileges for database: '.$data['new']['database_name'],LOGLEVEL_DEBUG);
+ } elseif($data['new']['remote_access'] == 'y' && $data['new']['remote_ips'] != $data['old']['remote_ips']) {
+ //* Change remote access list
+ if($db_user) {
+ if($db_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else {
+ $this->process_host_list('REVOKE', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $data['old']['remote_ips'], $link);
+ $this->process_host_list('GRANT', $data['new']['database_name'], $db_user['database_user'], $db_user['database_password'], $data['new']['remote_ips'], $link);
+ }
+ }
+ if($db_ro_user && $data['new']['database_user_id'] != $data['new']['database_ro_user_id']) {
+ if($db_ro_user['database_user'] == 'root') $app->log('User root not allowed for Client databases',LOGLEVEL_WARNING);
+ else {
+ $this->process_host_list('REVOKE', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $data['old']['remote_ips'], $link);
+ $this->process_host_list('GRANT', $data['new']['database_name'], $db_ro_user['database_user'], $db_ro_user['database_password'], $data['new']['remote_ips'], $link, '', true);
+ }
+ }
+ }
+
- //* Get the db host setting for the access priveliges
- if($data["new"]["remote_access"] == 'y') {
- $db_host = '%';
- } else {
- $db_host = 'localhost';
- }
-
- /*
- //* Rename database
- if($data["new"]["database_name"] != $data["old"]["database_name"]) {
- mysql_query("",$link);
- }
- */
-
- //* Change password
- if($data["new"]["database_password"] != $data["old"]["database_password"]) {
- mysql_query("SET PASSWORD FOR '".addslashes($data["new"]["database_user"])."'@'$db_host' = PASSWORD('".addslashes($data["new"]["database_password"])."');",$link);
- $app->log('Changing mysql user password for: '.$data["new"]["database_user"],LOGLEVEL_DEBUG);
- }
-
- mysql_query("FLUSH PRIVILEGES;",$link);
- mysql_close($link);
+ $link->query('FLUSH PRIVILEGES;');
+ $link->close();
}
}
@@ -153,42 +313,126 @@
function db_delete($event_name,$data) {
global $app, $conf;
- if($data["old"]["type"] == 'mysql') {
- if(!include_once(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
+ if($data['old']['type'] == 'mysql') {
+ if(!include(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
$app->log('Unable to open'.ISPC_LIB_PATH.'/mysql_clientdb.conf',LOGLEVEL_ERROR);
return;
}
//* Connect to the database
- $link = mysql_connect($clientdb_host, $clientdb_user, $clientdb_password);
- if (!$link) {
- $app->log('Unable to connect to the database'.mysql_error($link),LOGLEVEL_ERROR);
+ $link = new mysqli($clientdb_host, $clientdb_user, $clientdb_password);
+ if ($link->connect_error) {
+ $app->log('Unable to connect to mysql: '.$link->connect_error,LOGLEVEL_ERROR);
+ return;
}
- //* Get the db host setting for the access priveliges
- if($data["old"]["remote_access"] == 'y') {
- $db_host = '%';
+ if($link->query('DROP DATABASE '.$link->escape_string($data['old']['database_name']))) {
+ $app->log('Dropping MySQL database: '.$data['old']['database_name'],LOGLEVEL_DEBUG);
} else {
- $db_host = 'localhost';
+ $app->log('Error while dropping MySQL database: '.$data['old']['database_name'].' '.$link->error,LOGLEVEL_WARNING);
}
- mysql_query("DROP USER '".addslashes($data["old"]["database_user"])."'@'$db_host';",$link);
- $app->log('Dropping mysql user: '.$data["old"]["database_user"],LOGLEVEL_DEBUG);
-
- mysql_query('DROP DATABASE '.addslashes($data["old"]["database_name"]),$link);
- $app->log('Dropping mysql database: '.$data["old"]["database_name"],LOGLEVEL_DEBUG);
-
-
- mysql_query("FLUSH PRIVILEGES;",$link);
- mysql_close($link);
+ $link->query('FLUSH PRIVILEGES;');
+ $link->close();
}
}
+
+ function db_user_insert($event_name,$data) {
+ global $app, $conf;
+ // we have nothing to do here, stale user accounts are useless ;)
+ }
-
+ function db_user_update($event_name,$data) {
+ global $app, $conf;
+
+ if(!include(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
+ $app->log('Unable to open'.ISPC_LIB_PATH.'/mysql_clientdb.conf',LOGLEVEL_ERROR);
+ return;
+ }
+
+ //* Connect to the database
+ $link = new mysqli($clientdb_host, $clientdb_user, $clientdb_password);
+ if ($link->connect_error) {
+ $app->log('Unable to connect to mysql'.$link->connect_error,LOGLEVEL_ERROR);
+ return;
+ }
+
+
+ if($data['old']['database_user'] == $data['new']['database_user'] && $data['old']['database_password'] == $data['new']['database_password']) {
+ return;
+ }
+
+
+ $host_list = array('localhost');
+ // get all databases this user was active for
+ $db_list = $app->db->queryAllRecords("SELECT `remote_access`, `remote_ips` FROM `web_database` WHERE `database_user_id` = '" . intval($data['old']['database_user_id']) . "'");
+ foreach($db_list as $database) {
+ if($database['remote_access'] != 'y') continue;
+
+ if($database['remote_ips'] != '') $ips = explode(',', $database['remote_ips']);
+ else $ips = array('%');
+
+ foreach($ips as $ip) {
+ $ip = trim($ip);
+ if(!in_array($ip, $host_list)) $host_list[] = $ip;
+ }
+ }
+
+ foreach($host_list as $db_host) {
+ if($data['new']['database_user'] != $data['old']['database_user']) {
+ $link->query("RENAME USER '".$link->escape_string($data['old']['database_user'])."'@'$db_host' TO '".$link->escape_string($data['new']['database_user'])."'@'$db_host'");
+ $app->log('Renaming MySQL user: '.$data['old']['database_user'].' to '.$data['new']['database_user'],LOGLEVEL_DEBUG);
+ }
+ if($data['new']['database_password'] != $data['old']['database_password']) {
+ $db_host = 'localhost';
+ $link->query("SET PASSWORD FOR '".$link->escape_string($data['new']['database_user'])."'@'$db_host' = '".$link->escape_string($data['new']['database_password'])."';");
+ $app->log('Changing MySQL user password for: '.$data['new']['database_user'],LOGLEVEL_DEBUG);
+ }
+ }
+
+ $link->query('FLUSH PRIVILEGES;');
+ $link->close();
+
+ }
+
+ function db_user_delete($event_name,$data) {
+ global $app, $conf;
+
+ if(!include(ISPC_LIB_PATH.'/mysql_clientdb.conf')) {
+ $app->log('Unable to open'.ISPC_LIB_PATH.'/mysql_clientdb.conf',LOGLEVEL_ERROR);
+ return;
+ }
+
+ //* Connect to the database
+ $link = new mysqli($clientdb_host, $clientdb_user, $clientdb_password);
+ if ($link->connect_error) {
+ $app->log('Unable to connect to mysql'.$link->connect_error,LOGLEVEL_ERROR);
+ return;
+ }
+
+ $host_list = array();
+ // read all mysql users with this username
+ $result = $link->query("SELECT `User`, `Host` FROM `mysql`.`user` WHERE `User` = '" . $link->escape_string($data['old']['database_user']) . "' AND `Create_user_priv` = 'N'"); // basic protection against accidently deleting system users like debian-sys-maint
+ if($result) {
+ while($row = $result->fetch_assoc()) {
+ $host_list[] = $row['Host'];
+ }
+ $result->free();
+ }
+
+ foreach($host_list as $db_host) {
+ if($link->query("DROP USER '".$link->escape_string($data['old']['database_user'])."'@'$db_host';")) {
+ $app->log('Dropping MySQL user: '.$data['old']['database_user'],LOGLEVEL_DEBUG);
+ }
+ }
+
+ $link->query('FLUSH PRIVILEGES;');
+ $link->close();
+ }
} // end class
-?>
\ No newline at end of file
+?>
--
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