618 lines
20 KiB
PHP
618 lines
20 KiB
PHP
<?php
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/*
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----------------------------------------------------------------------
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AlternC - Web Hosting System
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Copyright (C) 2000-2012 by the AlternC Development Team.
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https://alternc.org/
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----------------------------------------------------------------------
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LICENSE
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License (GPL)
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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To read the license please visit http://www.gnu.org/copyleft/gpl.html
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----------------------------------------------------------------------
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Purpose of file: Manage user quota
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----------------------------------------------------------------------
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*/
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/**
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* Class for hosting quotas management
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*
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* This class manages services' quotas for each user of AlternC.
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* The available quotas for each service is stored in the system.quotas
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* mysql table. The used value is computed by the class using a
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* callback function <code>alternc_quota_check($uid)</code> that
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* may by exported by each service class.<br>
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* each class may also export a function <code>alternc_quota_names()</code>
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* that returns an array with the quotas names managed by this class.
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*
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*/
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class m_quota {
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var $disk=Array(); /* disk resource for which we will manage quotas */
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var $disk_quota_enable;
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var $quotas;
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var $clquota; // Which class manage which quota.
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/* ----------------------------------------------------------------- */
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/**
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* Constructor
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*/
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function m_quota() {
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$this->disk_quota_enable = variable_get('disk_quota_enable', 1,'Are disk quota enabled for this server', array('desc'=>'Enabled','type'=>'boolean'));
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if ( $this->disk_quota_enable ) {
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$this->disk = Array( "web"=>"web" );
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}
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}
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private function dummy_for_translation() {
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_("quota_web");
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}
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function hook_menu() {
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$obj = array(
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'title' => _("Show my quotas"),
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'ico' => 'images/quota.png',
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'link' => 'toggle',
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'pos' => 110,
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'divclass' => 'menu-quota',
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'links' => array(),
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) ;
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$q=$this->getquota();
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foreach ( array('web', 'bw_web') as $key ) {
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if ( ! isset($q[$key]["u"]) || empty($q[$key]["t"])) continue;
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$usage_percent = (int) ($q[$key]["u"] / $q[$key]["t"] * 100);
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$obj['links'][] = array( 'txt'=>_("quota_".$key) . " " . sprintf(_("%s%% of %s"),$usage_percent,format_size($q[$key]["t"]*1024)), 'url'=>($key == 'bw_web' ? 'stats_show_per_month.php' : 'quota_show.php') );
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$obj['links'][] = array( 'txt'=>'progressbar', 'total' => $q[$key]["t"], 'used' => $q[$key]["u"]);
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}
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return $obj;
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}
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/* ----------------------------------------------------------------- */
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/** Check if a user can use a ressource.
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* @param string $ressource the ressource name (a named quota)
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* @Return TRUE if the user can create a ressource (= is there any quota left ?)
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* @return boolean
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*/
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function cancreate($ressource="") {
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$t=$this->getquota($ressource);
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return $t["u"]<$t["t"];
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}
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/* ----------------------------------------------------------------- */
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/** List the quota-managed services in the server
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* @Return array the quota names and description (translated)
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*/
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function qlist() {
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global $classes,$hooks;
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$qlist=array();
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reset($this->disk);
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while (list($key,$val)=each($this->disk)) {
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$qlist[$key]=_("quota_".$key); // those are specific disks quotas.
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}
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foreach($this->getquota() as $qq) {
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if (isset($qq['name'])) {
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$qlist[$qq['name']]=$qq['description'];
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}
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}
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return $qlist;
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}
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/**
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* Synchronise the quotas of the users with the quota of the
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* user's profile.
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* If the user have a greater quota than the profile, no change.
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* If the quota entry doesn't exist for the user, create it with
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* the defaults value.
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*/
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function synchronise_user_profile() {
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global $db,$err;
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$err->log("quota","synchronise_user_profile");
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$q="insert into quotas select m.uid as uid, d.quota as name, d.value as total from membres m, defquotas d left join quotas q on q.name=d.quota where m.type=d.type ON DUPLICATE KEY UPDATE total = greatest(d.value, quotas.total);";
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if (!$db->query($q)) return false;
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return true;
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}
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/*
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* Create default quota in the profile
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* when a new quota appear
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*
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*/
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function create_missing_quota_profile() {
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global $db,$quota,$err;
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$err->log("quota","create_missing_quota_profile");
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$qt=$quota->getquota('',true);
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$type=$quota->listtype();
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foreach($type as $t) {
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foreach($qt as $q=>$vv) {
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$db->query("INSERT IGNORE defquotas (value,quota,type) VALUES (0,'$q','$t');");
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}
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}
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return true;
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}
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/* ----------------------------------------------------------------- */
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/** Return a ressource usage (u) and total quota (t)
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* @param string $ressource ressource to get quota of
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* @Return array the quota used and total for this ressource (or for all ressource if unspecified)
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*/
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function getquota($ressource="",$recheck=false) {
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global $db,$err,$cuid,$get_quota_cache,$hooks,$mem;
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$err->log("quota","getquota",$ressource);
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if ($recheck) { // rebuilding quota
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$get_quota_cache=null;
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$this->quotas=array();
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}
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if (! empty($get_quota_cache[$cuid]) ) {
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// This function is called many time each webpage, so I cache the result
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$this->quotas = $get_quota_cache[$cuid];
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} else {
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$res=$hooks->invoke("hook_quota_get");
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foreach($res as $r) {
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$this->quotas[$r['name']]=$r;
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$this->quotas[$r['name']]['u']=$r['used']; // retrocompatibilité
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$this->quotas[$r['name']]['t']=0; // Default quota = 0
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}
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reset($this->disk);
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if (!empty ($this->disk)) { // Check if there are some disk quota to check
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// Look if there are some cached value
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$disk_cached = $mem->session_tempo_params_get('quota_cache_disk');
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while (list($key,$val)=each($this->disk)) {
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$a=array();
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if (
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isset($disk_cached[$val])
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&& !empty($disk_cached[$val])
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&& $disk_cached[$val]['uid'] == $cuid
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&& $disk_cached[$val]['timestamp'] > ( time() - (90) ) // Cache, en seconde
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) {
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// If there is a cached value
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$a = $disk_cached[$val];
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} else {
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exec("/usr/lib/alternc/quota_get ".$cuid ,$ak);
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$a['u']=intval($ak[0]);
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$a['t']=@intval($ak[1]);
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$a['timestamp'] = time();
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$a['uid'] = $cuid;
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$disk_cached = $mem->session_tempo_params_set('quota_cache_disk', array($val=>$a));
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}
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$this->quotas[$val]=array("name"=>"$val", 'description'=>_("quota_".$val), "t"=>$a['t'],"u"=>$a['u']);
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}
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}
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// Get the allowed quota from database.
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$db->query("select name, total from quotas where uid='$cuid';");
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while ( $db->next_record() ) {
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$this->quotas[$db->f('name')]['t']=$db->f('total');
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}
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$get_quota_cache[$cuid] = $this->quotas;
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}
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if ($ressource) {
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if (isset($this->quotas[$ressource]) ) {
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return $this->quotas[$ressource];
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} else {
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return 0;
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}
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} else {
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return $this->quotas;
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}
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}
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/* ----------------------------------------------------------------- */
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/** Set the quota for a user (and for a ressource)
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* @param string $ressource ressource to set quota of
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* @param integer size of the quota (available or used)
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*/
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function setquota($ressource,$size) {
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global $err,$db,$cuid;
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$err->log("quota","setquota",$ressource."/".$size);
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if (floatval($size)==0) $size="0";
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if (isset($this->disk[$ressource])) {
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// It's a disk resource, update it with shell command
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exec("sudo /usr/lib/alternc/quota_edit $cuid $size &> /dev/null &");
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// Now we check that the value has been written properly :
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exec("sudo /usr/lib/alternc/quota_get $cuid &> /dev/null &",$a);
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if (!isset($a[1]) || $size!=$a[1]) {
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$err->raise("quota",_("Error writing the quota entry!"));
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return false;
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}
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}
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// We check that this ressource exists for this client :
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$db->query("SELECT * FROM quotas WHERE uid='$cuid' AND name='$ressource'");
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if ($db->num_rows()) {
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$db->query("UPDATE quotas SET total='$size' WHERE uid='$cuid' AND name='$ressource';");
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} else {
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$db->query("INSERT INTO quotas (uid,name,total) VALUES ('$cuid','$ressource','$size');");
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}
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return true;
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}
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/* ----------------------------------------------------------------- */
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/**
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* Erase all quota information about the user.
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*/
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function delquotas() {
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global $db,$err,$cuid;
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$err->log("quota","delquota");
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$db->query("DELETE FROM quotas WHERE uid='$cuid';");
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return true;
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}
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/* ----------------------------------------------------------------- */
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/** Get the default quotas as an associative array
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* @return array the array of the default quotas
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*/
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function getdefaults() {
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global $db;
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$c=array();
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$db->query("SELECT type,quota FROM defquotas WHERE type='default'");
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if(!$db->next_record())
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$this->addtype('default');
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$db->query("SELECT value,quota,type FROM defquotas ORDER BY type,quota");
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while($db->next_record()) {
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$type = $db->f("type");
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$c[$type][$db->f("quota")] = $db->f("value");
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}
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return $c;
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}
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/* ----------------------------------------------------------------- */
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/** Set the default quotas
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* @param array associative array of quota (key=>val)
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*/
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function setdefaults($newq) {
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global $db;
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$qlist=$this->qlist();
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foreach($newq as $type => $quotas) {
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foreach($quotas as $qname => $value) {
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if(array_key_exists($qname, $qlist)) {
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if(!$db->query("REPLACE INTO defquotas (value,quota,type) VALUES ($value,'$qname','$type');"))
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return false;
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}
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}
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}
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return true;
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}
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/* ----------------------------------------------------------------- */
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/** Add an account type for quotas
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* @param string $type account type to be added
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* @return boolean true if all went ok
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*/
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function addtype($type) {
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global $db,$err;
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$qlist=$this->qlist();
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if(empty($type)) return false;
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$type=strtolower($type);
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if (!preg_match("#^[a-z0-9]*$#",$type)) {
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$err->raise("quota", "Type can only contains characters a-z and 0-9");
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return false;
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}
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while (list($key,$val)=each($qlist)) {
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if(!$db->query("INSERT IGNORE INTO defquotas (quota,type) VALUES('$key', '$type');")
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|| $db->affected_rows() == 0)
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return false;
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}
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return true;
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}
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/* ----------------------------------------------------------------- */
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/** List for quotas
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* @return array
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*/
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function listtype() {
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global $db;
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$db->query("SELECT distinct(type) FROM defquotas ORDER by type");
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$t=array();
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while ($db->next_record()) {
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$t[] = $db->f("type");
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}
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return $t;
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}
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/* ----------------------------------------------------------------- */
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/** Delete an account type for quotas
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* @param string $type account type to be deleted
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* @return boolean true if all went ok
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*/
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function deltype($type) {
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global $db;
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if($db->query("UPDATE membres SET type='default' WHERE type='$type'") &&
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$db->query("DELETE FROM defquotas WHERE type='$type'")) {
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return true;
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} else {
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return false;
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}
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}
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/* ----------------------------------------------------------------- */
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/** Create default quotas entries for a new user.
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* The user we are talking about is in the global $cuid.
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*/
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function addquotas() {
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global $db,$err,$cuid;
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$err->log("quota","addquota");
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$ql=$this->qlist();
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reset($ql);
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$db->query("SELECT type,quota FROM defquotas WHERE type='default'");
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if(!$db->next_record())
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$this->addtype('default');
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$db->query("SELECT type FROM membres WHERE uid='$cuid'");
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$db->next_record();
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$t = $db->f("type");
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foreach($ql as $res => $val) {
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$db->query("SELECT value FROM defquotas WHERE quota='$res' AND type='$t'");
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$q = $db->next_record() ? $db->f("value") : 0;
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$this->setquota($res, $q);
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}
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return true;
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}
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/* ----------------------------------------------------------------- */
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/** Return a quota value with its unit (when it is a space quota)
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* in MB, GB, TB ...
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* @param string $type The quota type
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* @param integer $value The quota value
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* @return string a quota value with its unit.
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*/
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function display_val($type, $value) {
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switch ($type) {
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case 'bw_web':
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return format_size($value);
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case 'web':
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return format_size($value*1024);
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default:
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return $value;
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}
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}
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/* get size_xx function (filled by spoolsize.php) */
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function _get_sum_sql($sql) {
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global $db,$err,$cuid;
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$db->query($sql);
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if ($db->num_rows() == 0) {
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return -1;
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} else {
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$db->next_record();
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$r = $db->Record;
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return $r['sum'];
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}
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}
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function _get_count_sql($sql) {
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global $db,$err,$cuid;
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$db->query($sql);
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if ($db->num_rows() == 0) {
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return 0;
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} else {
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$db->next_record();
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$r = $db->Record;
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return $r['count'];
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}
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}
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function _get_size_and_record_sql($sql) {
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global $db,$err,$cuid;
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$db->query($sql);
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if ($db->num_rows() == 0) {
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return array();
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} else {
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$ret = array();
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while ($db->next_record()) {
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$ret[] = $db->Record;
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}
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return $ret;
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}
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}
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/* sum of websites sizes from all users */
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function get_size_web_sum_all() {
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return $this->_get_sum_sql("SELECT SUM(size) AS sum FROM size_web;");
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}
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/* sum of websites sizes from one user */
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function get_size_web_sum_user($u) {
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return $this->_get_sum_sql("SELECT SUM(size) AS sum FROM size_web WHERE uid='$u';");
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}
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/* sum of mailbox sizes from all domains */
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function get_size_mail_sum_all() {
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return $this->_get_sum_sql("SELECT SUM(bytes) AS sum FROM mailbox;");
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}
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/* sum of mailbox sizes for one domain */
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function get_size_mail_sum_domain($dom) {
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global $mail;
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return $mail->get_total_size_for_domain($dom);
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}
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/* count of mailbox sizes from all domains */
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function get_size_mail_count_all() {
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return $this->_get_count_sql("SELECT COUNT(*) AS count FROM mailbox;");
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}
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/* count of mailbox for one domain */
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function get_size_mail_count_domain($dom) {
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return $this->_get_count_sql("SELECT COUNT(*) AS count FROM dovecot_view WHERE user LIKE '%@{$dom}'");
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}
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/* get list of mailbox alias and size for one domain */
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function get_size_mail_details_domain($dom) {
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return $this->_get_size_and_record_sql("SELECT user as alias,quota_dovecot as size FROM dovecot_view WHERE user LIKE '%@{$dom}' ORDER BY alias;");
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}
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/* sum of mailman lists sizes from all domains */
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function get_size_mailman_sum_all() {
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return $this->_get_sum_sql("SELECT SUM(size) AS sum FROM size_mailman;");
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}
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/* sum of mailman lists sizes for one domain */
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function get_size_mailman_sum_domain($dom) {
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return $this->_get_sum_sql("SELECT SUM(size) AS sum FROM size_mailman WHERE list LIKE '%@{$dom}'");
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}
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/* sum of mailman lists for one user */
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function get_size_mailman_sum_user($u) {
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return $this->_get_sum_sql("SELECT SUM(size) AS sum FROM size_mailman WHERE uid = '{$u}'");
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}
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/* count of mailman lists sizes from all domains */
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function get_size_mailman_count_all() {
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return $this->_get_count_sql("SELECT COUNT(*) AS count FROM size_mailman;");
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}
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/* count of mailman lists for one user */
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function get_size_mailman_count_user($u) {
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return $this->_get_count_sql("SELECT COUNT(*) AS count FROM size_mailman WHERE uid = '{$u}'");
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}
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/* get list of mailman list and size for one user */
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function get_size_mailman_details_user($u) {
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return $this->_get_size_and_record_sql("SELECT s.size,CONCAT(m.list,'@',m.domain) as list FROM size_mailman s LEFT JOIN mailman m ON s.list=m.name WHERE s.uid='{$u}' ORDER BY s.list ASC");
|
|
}
|
|
|
|
/* sum of databases sizes from all users */
|
|
function get_size_db_sum_all() {
|
|
return $this->_get_sum_sql("SELECT SUM(size) AS sum FROM size_db;");
|
|
}
|
|
|
|
/* sum of databases sizes for one user */
|
|
function get_size_db_sum_user($u) {
|
|
return $this->_get_sum_sql("SELECT SUM(size) AS sum FROM size_db WHERE db = '{$u}' OR db LIKE '{$u}\_%'");
|
|
}
|
|
|
|
/* count of databases from all users */
|
|
function get_size_db_count_all() {
|
|
return $this->_get_count_sql("SELECT COUNT(*) AS count FROM size_db;");
|
|
}
|
|
|
|
/* count of databases for one user */
|
|
function get_size_db_count_user($u) {
|
|
return $this->_get_count_sql("SELECT COUNT(*) AS count FROM size_db WHERE db = '{$u}' OR db LIKE '{$u}\_%'");
|
|
}
|
|
|
|
/* get list of databases name and size for one user */
|
|
function get_size_db_details_user($u) {
|
|
return $this->_get_size_and_record_sql("SELECT db,size FROM size_db WHERE db='{$u}' OR db LIKE '{$u}\_%';");
|
|
}
|
|
|
|
/* Return appropriate value and unit of a size given in Bytes (e.g. 1024 Bytes -> return 1 KB) */
|
|
function get_size_unit($size) {
|
|
$units=array(1073741824=>_("GB"), 1048576=>_("MB"), 1024=>_("KB"), 0=>_("B"));
|
|
foreach($units as $value=>$unit){
|
|
if($size>=$value){
|
|
$size=str_pad(round($size/($value ? $value : 1), 1), 5, ' ', STR_PAD_LEFT);
|
|
return array('size'=>$size, 'unit'=>$unit);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Affiche des barres de progression
|
|
// color_type :
|
|
// 0 = Pas de changement de couleur
|
|
// 1 = Progression du vert vers le rouge en fonction du porcentage
|
|
// 2 = Progression du rouge vers le vert en fonction du porcentage
|
|
function quota_displaybar($usage, $color_type=1) {
|
|
if ($color_type == 1) {
|
|
$csscolor = " background-color:".PercentToColor($usage);
|
|
} elseif ($color_type == 2) {
|
|
$csscolor = " background-color:".PercentToColor(100-$usage);
|
|
} else {
|
|
$csscolor = "";
|
|
}
|
|
|
|
|
|
echo '<div class="progress-bar">';
|
|
echo '<div class="barre" style="width:'.$usage.'%;'.$csscolor.'" ></div>';
|
|
echo '<div class="txt">'.$usage.'%</div>';
|
|
echo '</div>';
|
|
}
|
|
|
|
|
|
/* ==== Hook functions ==== */
|
|
|
|
/* ----------------------------------------------------------------- */
|
|
/** Hook function call when a user is deleted
|
|
* AlternC's standard function called when a user is deleted
|
|
* globals $cuid is the appropriate user
|
|
*/
|
|
function hook_admin_del_member() {
|
|
$this->delquotas();
|
|
}
|
|
|
|
|
|
/* ----------------------------------------------------------------- */
|
|
/** Hook function called when a user is created
|
|
* This function initialize the user's quotas.
|
|
* globals $cuid is the appropriate user
|
|
*/
|
|
function hook_admin_add_member() {
|
|
global $err;
|
|
$err->log("quota","hook_admin_add_member");
|
|
$this->addquotas();
|
|
$this->getquota('',true); // actualise quota
|
|
}
|
|
|
|
|
|
/* ----------------------------------------------------------------- */
|
|
/** Exports all the quota related information for an account.
|
|
* @access private
|
|
* EXPERIMENTAL function ;)
|
|
*/
|
|
function alternc_export_conf() {
|
|
global $db,$err;
|
|
$err->log("quota","export");
|
|
$str=" <quota>";
|
|
|
|
$q=$this->getquota();
|
|
foreach ($q as $k=>$v) {
|
|
$str.=" <$k>\n";
|
|
$str.=" <used>".($v["u"])."</used>\n";
|
|
$str.=" <total>".($v["t"])."</total>\n";
|
|
$str.=" </$k>\n";
|
|
}
|
|
$str.="</quota>\n";
|
|
return $str;
|
|
}
|
|
|
|
|
|
} /* Class m_quota */
|
|
|