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AlternC/bureau/class/m_ftp.php

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<?php
/*
----------------------------------------------------------------------
AlternC - Web Hosting System
Copyright (C) 2000-2012 by the AlternC Development Team.
https://alternc.org/
----------------------------------------------------------------------
LICENSE
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License (GPL)
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
To read the license please visit http://www.gnu.org/copyleft/gpl.html
----------------------------------------------------------------------
Purpose of file: Manage FTP accounts
----------------------------------------------------------------------
*/
/**
* Classe de gestion des comptes FTP de l'hébergé.
*/
class m_ftp {
/* ----------------------------------------------------------------- */
/**
* Constructeur
*/
function m_ftp() {
}
/* ----------------------------------------------------------------- */
/**
* Password kind used in this class (hook for admin class)
*/
function alternc_password_policy() {
return array("ftp"=>"FTP accounts");
}
// Return the values needed to activate security access. See get_auth_class()
// in authip for more informations
function authip_class() {
$c = Array();
$c['name']="FTP";
$c['protocol']="ftp";
$c['values']=Array();
$tt = $this->get_list();
if (empty($tt) || !is_array($tt)) return $c;
foreach ($this->get_list() as $v ) {
$c['values'][$v['id']]=$v['login'];
}
return $c;
}
/* ----------------------------------------------------------------- */
/** Retourne la liste des comptes FTP du compte hébergé
* Retourne la liste des comptes FTP sous forme de tableau indexé de
* tableaus associatifs comme suit :
* $a["id"]= ID du compte ftp
* $a["login"]= Nom de login du compte
* $a["pass"]= Mot de passe du compte
* $a["dir"]= Dossier relatif à la racine du compte de l'utilisateur
* @return array Retourne le tableau des comptes ou FALSE si une erreur s'est produite.
*/
function get_list() {
global $db,$err,$cuid;
$err->log("ftp","get_list");
$r=array();
$db->query("SELECT id, name, homedir FROM ftpusers WHERE uid='$cuid' ORDER BY homedir;");
if ($db->num_rows()) {
while ($db->next_record()) {
// On passe /var/alternc/html/u/user
// FIXME: utiliser getuserpath()
$tr=preg_match("/^\/var\/alternc\/html\/.\/[^\/]*\/(.*)$/", $db->f("homedir"),$match); /* " */
$r[]=array(
"id"=>$db->f("id"),
"login"=>$db->f("name"),
//"dir"=>$match[1]
"dir"=>$db->f("homedir")
);
}
return $r;
} else {
$err->raise("ftp",_("No FTP account found"));
return false;
}
}
function hook_admin_add_member() {
global $mem,$err;
$err->log("ftp","hook_admin_add_member");
return $this->add_ftp($mem->user['login'],"",$mem->user['pass'],"/");
}
/* ----------------------------------------------------------------- */
/** Retourne les détails d'un compte FTP (voir get_list)
* Le tableau est celui du compte d'id spécifié
* @param integer $id Numéro du compte dont on souhaite obtenir les détails
* @return array Tableau associatif contenant les infos du comptes ftp
*/
function get_ftp_details($id) {
global $db,$err,$cuid;
$err->log("ftp","get_ftp_details",$id);
$r=array();
$db->query("SELECT id, name, homedir FROM ftpusers WHERE uid='$cuid' AND id='$id';");
if ($db->num_rows()) {
$db->next_record();
// FIXME: utiliser getuserpath
$tr=preg_match("/^\/var\/alternc\/html\/.\/[^\/]*\/(.*)$/", $db->f("homedir"),$match);
$lg=explode("_",$db->f("name"));
if ((!is_array($lg)) || (count($lg)!=2)) {
$lg[0]=$db->f("name");
$lg[1]="";
}
$r[]=array(
"id"=>$db->f("id"),
"prefixe"=> $lg[0],
"login"=>$lg[1],
"dir"=>$match[1]
);
return $r;
} else {
$err->raise("ftp",_("This FTP account does not exist"));
return false;
}
}
/* ----------------------------------------------------------------- */
/** Retourne la liste des prefixes utilisables par le compte courant
* @return array tableau contenant la liste des prefixes (domaines + login)
* du compte actuel.
*/
function prefix_list() {
global $db,$mem,$cuid;
$r=array();
$r[]=$mem->user["login"];
$db->query("SELECT domaine FROM domaines WHERE compte='$cuid' ORDER BY domaine;");
while ($db->next_record()) {
$r[]=$db->f("domaine");
}
return $r;
}
/* ----------------------------------------------------------------- */
/** Affiche (ECHO) la liste des prefixes disponibles sous forme de champs d'option
* Les champs sont affichés sous la forme <option>prefixe</option>...
* La valeur $current se voit affublée de la balise SELECTED.
* @param string $current Prefixe sélectionné par défaut
* @return boolean TRUE.
*/
function select_prefix_list($current) {
$r=$this->prefix_list();
reset($r);
while (list($key,$val)=each($r)) {
if ($current==$val) $c=" selected=\"selected\""; else $c="";
echo "<option$c>$val</option>";
}
return true;
}
/* ----------------------------------------------------------------- */
/** Modifie les paramètres du comptes FTP $id.
* @param integer $id Numéro du compte dont on veut modifier les paramètres
* @param string $prefixe Prefixe du compte FTP
* @param string $login login ajouté au préfixe ($prefixe_$login)
* @param string $pass mot de passe
* @param string $dir Répertoire racine du compte
* @return boolean TRUE si le compte a été modifié, FALSE si une erreur est survenue.
*/
function put_ftp_details($id,$prefixe,$login,$pass,$dir) {
global $mem,$db,$err,$bro,$cuid,$admin;
$err->log("ftp","put_ftp_details",$id);
$db->query("SELECT count(*) AS cnt FROM ftpusers WHERE id='$id' and uid='$cuid';");
$db->next_record();
if (!$db->f("cnt")) {
$err->raise("ftp",_("This FTP account does not exist"));
return false;
}
$dir=$bro->convertabsolute($dir);
if (substr($dir,0,1)=="/") {
$dir=substr($dir,1);
}
$r=$this->prefix_list();
if (!in_array($prefixe,$r)) {
$err->raise("ftp",_("The chosen prefix is not allowed"));
return false;
}
$lo=$mem->user["login"];
$l=substr($lo,0,1);
if ($login) $login="_".$login;
$db->query("SELECT COUNT(*) AS cnt FROM ftpusers WHERE id!='$id' AND name='$prefixe$login';");
$db->next_record();
if ($db->f("cnt")) {
$err->raise("ftp",_("This FTP account already exists"));
return false;
}
$absolute=getuserpath()."/$dir";
if (!file_exists($absolute)) {
system("/bin/mkdir -p $absolute");
}
if (!is_dir($absolute)) {
$err->raise("ftp",_("The directory cannot be created"));
return false;
}
if (trim($pass)) {
// Check this password against the password policy using common API :
if (is_callable(array($admin,"checkPolicy"))) {
if (!$admin->checkPolicy("ftp",$prefixe.$login,$pass)) {
return false; // The error has been raised by checkPolicy()
}
}
$encrypted_password = crypt($pass,strrev(microtime(true)));
$db->query("UPDATE ftpusers SET name='".$prefixe.$login."', password='', encrypted_password='$encrypted_password', homedir='$absolute', uid='$cuid' WHERE id='$id';");
} else {
$db->query("UPDATE ftpusers SET name='".$prefixe.$login."', homedir='$absolute', uid='$cuid' WHERE id='$id';");
}
return true;
}
/* ----------------------------------------------------------------- */
/** Efface le compte ftp spécifié.
* @param integer $id Numéro du compte FTP à supprimer.
* @return boolean TRUE si le compte a été effacé, FALSE sinon.
*/
function delete_ftp($id) {
global $db,$err,$cuid;
$err->log("ftp","delete_ftp",$id);
$db->query("SELECT name FROM ftpusers WHERE id='$id' and uid='$cuid';");
$db->next_record();
$name=$db->f("name");
if (!$name) {
$err->raise("ftp",_("This FTP account does not exist"));
return false;
}
$db->query("DELETE FROM ftpusers WHERE id='$id'");
return $name;
}
/* ----------------------------------------------------------------- */
/** Crée un nouveau compte FTP.
* @param string $prefixe Prefixe au login
* @param string $login Login ftp (login=prefixe_login)
* @param string $pass Mot de passe FTP
* @param string $dir Répertoire racine du compte relatif à la racine du membre
* @return boolean TRUE si le compte a été créé, FALSE sinon.
*
*/
function add_ftp($prefixe,$login,$pass,$dir) {
global $mem,$db,$err,$quota,$bro,$cuid,$admin;
$err->log("ftp","add_ftp",$prefixe."_".$login);
$dir=$bro->convertabsolute($dir);
if (substr($dir,0,1)=="/") {
$dir=substr($dir,1);
}
$r=$this->prefix_list();
if (!in_array($prefixe,$r) || $prefixe=="") {
$err->raise("ftp",_("The chosen prefix is not allowed"));
return false;
}
if ($login) $login="_".$login;
$db->query("SELECT count(*) AS cnt FROM ftpusers WHERE name='".$prefixe.$login."'");
$db->next_record();
if ($db->f("cnt")) {
$err->raise("ftp",_("This FTP account already exists"));
return false;
}
$db->query("SELECT login FROM membres WHERE uid='$cuid';");
$db->next_record();
$lo=$db->f("login");
$l=substr($lo,0,1);
$absolute=getuserpath()."/$dir";
if (!file_exists($absolute)) {
system("/bin/mkdir -p $absolute");
}
if (!is_dir($absolute)) {
$err->raise("ftp",_("The directory cannot be created"));
return false;
}
// Check this password against the password policy using common API :
if (is_callable(array($admin,"checkPolicy"))) {
if (!$admin->checkPolicy("ftp",$prefixe.$login,$pass)) {
return false; // The error has been raised by checkPolicy()
}
}
if ($quota->cancreate("ftp")) {
$encrypted_password = crypt($pass,strrev(microtime(true)));
$db->query("INSERT INTO ftpusers (name,password, encrypted_password,homedir,uid) VALUES ('".$prefixe.$login."', '', '$encrypted_password', '$absolute', '$cuid')");
return true;
} else {
$err->raise("ftp",_("Your FTP account quota is over. You cannot create more ftp accounts"));
return false;
}
}
/* ----------------------------------------------------------------- */
/** Retourne TRUE si $dir possède un compte FTP
* @param string $dir Dossier à tester, relatif à la racine du compte courant
* @return boolean retourne TRUE si $dir à un compte FTP, FALSE sinon.
*/
function is_ftp($dir) {
global $mem,$db,$err;
$err->log("ftp","is_ftp",$dir);
$lo=$mem->user["login"];
$l=substr($lo,0,1);
if (substr($dir,0,1)=="/") $dir=substr($dir,1);
$db->query("SELECT id FROM ftpusers WHERE homedir='".getuserpath()."/$dir';");
if ($db->num_rows()) {
$db->next_record();
return $db->f("id");
} else {
return false;
}
}
/* ----------------------------------------------------------------- */
/** Fonction appellée par domains quand un deomaine est supprimé pour le membre
* @param string $dom Domaine à détruire.
* @access private
*/
function alternc_del_domain($dom) {
global $db,$err,$cuid;
$err->log("ftp","del_dom",$dom);
$db->query("SELECT COUNT(*) AS cnt FROM ftpusers WHERE uid='$cuid' AND name LIKE '$dom%'");
$db->next_record();
$cnt=$db->Record["cnt"];
$db->query("DELETE FROM ftpusers WHERE uid='$cuid' AND name LIKE '$dom%'");
return true;
}
/* ----------------------------------------------------------------- */
/** Fonction appellée par membres quand un membre est effacé.
* @param integer $uid Numéro de membre effacé.
* @access private
*/
function alternc_del_member() {
global $db,$err,$cuid;
$err->log("ftp","del_member");
$db->query("DELETE FROM ftpusers WHERE uid='$cuid'");
return true;
}
/* ----------------------------------------------------------------- */
/**
* Returns the used quota for the $name service for the current user.
* @param $name string name of the quota
* @return integer the number of service used or false if an error occured
* @access private
*/
function hook_quota_get() {
global $db,$err,$cuid;
$err->log("ftp","getquota");
$q=Array("name"=>"ftp", "description"=>_("FTP accounts"), "used"=>0);
$db->query("SELECT COUNT(*) AS cnt FROM ftpusers WHERE uid='$cuid'");
if ($db->next_record()) {
$q['used']=$db->f("cnt");
}
return $q;
}
/* ----------------------------------------------------------------- */
/**
* Exporte toutes les informations ftp du compte AlternC
* @access private
* EXPERIMENTAL 'sid' function ;)
*/
function alternc_export_conf() {
global $db,$err;
$err->log("ftp","export");
$f=$this->get_list();
$str=" <ftp>";
foreach ($f as $d=>$v) {
$str.=" <login>".($v["login"])."</login>\n";
$str.=" <password>".($v["encrypted_password"])."</password>\n";
$str.=" <directory>".($v["dir"])."<directory>\n";
}
$str.=" </ftp>\n";
return $str;
}
/* ----------------------------------------------------------------- */
/** hook function called by AlternC-upnp to know which open
* tcp or udp ports this class requires or suggests
* @return array a key => value list of port protocol name mandatory values
* @access private
*/
function hook_upnp_list() {
return array(
"ftp" => array("port" => 21, "protocol" => "tcp", "mandatory" => 1),
);
}
} /* Class m_ftp */
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