Files
Phraseanet/lib/classes/ftpclient.php
2018-07-16 11:27:41 +04:00

439 lines
12 KiB
PHP

<?php
/*
* This file is part of Phraseanet
*
* (c) 2005-2014 Alchemy
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class ftpclient
{
protected $connexion;
protected $host;
protected $port;
protected $cached_dirs = [];
protected $debug = false;
private $proxyhost = false;
private $proxyport = false;
private $proxyuser = false;
private $proxypwd = false;
private function cleanAddr($addr, &$usedSSL)
{
$addr = trim($addr);
if(substr($addr, 0, 7) === "ftps://") {
$addr = substr($addr, 7);
$usedSSL = true;
}
elseif(substr($addr, 0, 6) === "ftp://") {
$addr = substr($addr, 6);
}
if(substr($addr, -1, 1) == '/') {
$addr = substr($addr, 0, (strlen($addr) - 1));
}
return $addr;
}
public function __construct($host, $port = 21, $timeout = 90, $ssl = false,
$proxyhost = false,
$proxyport = false,
$proxyuser = false,
$proxypwd = false
)
{
$this->host = $host;
$this->port = $port;
$this->proxyhost = $proxyhost;
$this->proxyport = $proxyport;
$this->proxyuser = $proxyuser;
$this->proxypwd = $proxypwd;
// if there is a proxy, connect to it, not on host/port provided
$host = $proxyhost ? $proxyhost : $host;
$port = $proxyport ? $proxyport : $port;
// clean the addr, force ssl if needed
$host = $this->cleanAddr($host, $ssl);
if ($this->debug)
echo "Ouverture de connection vers $host:$port timeout $timeout\n<br>";
try {
if ($ssl === true) {
if (($this->connexion = @ftp_ssl_connect($host, $port, $timeout)) === false) {
throw new Exception('Impossible de se connecter au serveur FTP en SSL');
}
} else {
if (($this->connexion = @ftp_connect($host, $port, $timeout)) === false) {
throw new Exception('Impossible de se connecter au serveur FTP ' . $host . ":$port $timeout");
}
}
}
catch(\Exception $e) {
// any unknown pb
throw $e;
}
return $this;
}
public function __destruct()
{
if ($this->connexion)
$this->close();
return;
}
public function login($username, $password)
{
if($this->proxyhost) {
$username .= ("@" . $this->host);
if ($this->proxyuser) {
$username .= (' ' . $this->proxyuser);
}
}
$retry = 3;
$done = false;
while (!$done && $retry-- > 0) {
$ret = ftp_raw($this->connexion, "USER ".$username);
if(is_array($ret) && $password) {
$ret = ftp_raw($this->connexion, "PASS ".$password);
}
if(is_array($ret) && $this->proxypwd) {
$ret = ftp_raw($this->connexion, "ACCT ".$this->proxypwd);
}
if(is_array($ret)) {
$done = true;
}
}
if (! $done) {
throw new Exception('Impossible de s\'authentifier sur le serveur FTP');
}
return $this;
}
public function passive($boolean)
{
$boolean = ! ! $boolean;
if ($this->debug)
echo ($boolean ? 'des' : '') . "activation du mode passif\n<br>";
if ((@ftp_pasv($this->connexion, $boolean)) === false) {
throw new Exception('Impossible de changer le mode passif');
}
return $this;
}
public function pwd()
{
if ($this->debug)
echo "Recuperation du path working directory\n<br>";
if (($pwd = @ftp_pwd($this->connexion)) === false) {
throw new Exception('Impossible de recuperer le path working directory');
}
$this->cached_dirs[$pwd] = $pwd;
return $pwd;
}
public function chdir($directory)
{
$directory = $this->get_absolute_path($directory);
if ($this->debug)
echo "Changement de dossier vers $directory\n<br>";
if ((@ftp_chdir($this->connexion, $directory)) === false) {
throw new Exception('Impossible de changer de dossier');
}
$this->pwd();
return $this;
}
public function rmdir($remote_directory)
{
$remote_directory = $this->get_absolute_path($remote_directory);
if ($this->debug)
echo "Suppression du dossier $remote_directory\n<br>";
if ((@ftp_rmdir($this->connexion, $remote_directory)) === false) {
throw new Exception('Impossible de supprimer le dossier');
}
unset($this->cached_dirs[$remote_directory]);
return $this;
}
public function unlink($filepath)
{
$filepath = $this->get_absolute_path($filepath);
if ($this->debug)
echo "Suppression du fichier $filepath \n<br>";
if ((@ftp_delete($this->connexion, $filepath)) === false) {
throw new Exception('Impossible de supprimer le fichier');
}
return $this;
}
public function rename($oldname, $newname)
{
$oldname = $this->get_absolute_path($oldname);
$newname = $this->get_absolute_path($newname);
if ($this->debug)
echo "Renommage de $oldname en $newname\n<br>";
if ((@ftp_rename($this->connexion, $oldname, $newname)) === false) {
throw new Exception('Impossible de renommer le dossier ou le fichier');
}
unset($this->cached_dirs[$oldname]);
return $this;
}
public function mkdir($remote_directory)
{
$remote_directory = $this->get_absolute_path($remote_directory);
if (isset($this->cached_dirs[$remote_directory])) {
return $this;
}
if ($this->debug)
echo "Creation du dossier $remote_directory\n<br>";
if ((@ftp_mkdir($this->connexion, $remote_directory)) === false) {
throw new Exception('Impossible de creer le dossier');
}
$this->cached_dirs[$remote_directory] = $remote_directory;
return $this;
}
public function put($remotefile, $localfile)
{
$remotefile = $this->get_absolute_path($remotefile);
if ($this->debug)
echo "Envoi du fichier par AUTORESUME $localfile vers $remotefile de taille " . filesize($localfile) . "\n<br>";
$ret = $this->nb_put($remotefile, $localfile);
if ($this->debug)
echo "APRES ESSAI EN AUTORESUME ON A retour:" . $ret . "\n<br>";
if ($ret == FTP_FAILED) {
if ($this->debug)
echo "Resume seems not to be supported, try again from scratch\n<br>";
try {
$this->unlink($remotefile);
} catch (\Exception $e) {
echo $e;
}
$ret = $this->nb_put($remotefile, $localfile, 0);
if ($this->debug)
echo "On doit avoir a la fin $remotefile de size " . filesize($localfile) . "\n<br>";
}
if ($ret != FTP_FINISHED) {
throw new Exception('Erreur lors du transfert de fichier');
}
return $this;
}
protected function nb_put($remotefile, $localfile, $start = FTP_AUTORESUME)
{
$ret = @ftp_nb_put($this->connexion, $remotefile, $localfile, FTP_BINARY, $start);
while ($ret === FTP_MOREDATA) {
set_time_limit(20);
$ret = ftp_nb_continue($this->connexion);
}
return $ret;
}
public function get($localfile, $remotefile)
{
$remotefile = $this->get_absolute_path($remotefile);
if ($this->debug)
echo "Reception du fichier par AUTORESUME $remotefile vers $localfile \n<br>";
$ret = $this->nb_get($localfile, $remotefile);
if ($this->debug)
echo "APRES ESSAI EN AUTORESUME ON A retour:" . $ret . "\n<br>";
if ($ret == FTP_FAILED) {
if ($this->debug)
echo "Resume seems not to be supported, try again from scratch\n<br>";
try {
$this->unlink($localfile);
} catch (\Exception $e) {
echo $e;
}
$ret = $this->nb_get($localfile, $remotefile, 0);
}
if ($ret != FTP_FINISHED) {
throw new Exception('Erreur lors du transfert de fichier');
}
return $this;
}
public function delete($filepath)
{
if (!@ftp_delete($this->connexion, $filepath))
throw new Exception('Impossible de supprimer le fichier');
return $this;
}
protected function nb_get($localfile, $remotefile, $start = FTP_AUTORESUME)
{
clearstatcache();
if ( ! file_exists($localfile))
$start = 0;
$ret = @ftp_nb_get($this->connexion, $localfile, $remotefile, FTP_BINARY, $start);
while ($ret === FTP_MOREDATA) {
set_time_limit(20);
$ret = ftp_nb_continue($this->connexion);
}
return $ret;
}
public function system_type()
{
if ($this->debug)
echo "Recuperation du type de systeme distant\n<br>";
if (($systype = @ftp_systype($this->connexion)) === false) {
throw new Exception('Impossible de recuperer le type de systeme');
}
return $systype;
}
public function filesize($remotefile)
{
$remotefile = $this->get_absolute_path($remotefile);
if ($this->debug)
echo "Recuperation de la taille du fichier $remotefile\n<br>";
if (($size = @ftp_size($this->connexion, $remotefile)) === false) {
throw new Exception('Impossible de recuperer la taille du fichier');
}
return $size;
}
public function close()
{
if ($this->debug)
echo "Fermeture de la connexion\n<br>";
if (! $this->connexion) {
return $this;
}
if ((@ftp_close($this->connexion)) === false) {
throw new Exception('Impossible de fermer la connexion');
}
$this->connexion = null;
return $this;
}
protected function is_absolute_path($path)
{
$absolute = false;
if (substr($path, 0, 1) == '/')
$absolute = true;
return $absolute;
}
protected function get_absolute_path($file)
{
$file = str_replace('//', '/', $file);
if ($this->is_absolute_path($file)) {
return $file;
}
$pwd = $this->add_end_slash($this->pwd());
return $pwd . $file;
}
public function add_end_slash($path)
{
$path = trim($path);
if ($path == "" || $path == '/' || $path == '//') {
return("/");
}
if (substr($path, -1, 1) != "/")
$path .= "/";
return($path);
}
public function list_directory($recursive = false)
{
$current_dir = $this->pwd();
$contents = ftp_rawlist($this->connexion, $current_dir, ! ! $recursive);
if($contents === false){
throw new Exception('Vérifier les paramètres ftp ou mettre en mode passive');
}
$list = [];
foreach ($contents as $content) {
if ($content == '')
continue;
$info = preg_split("/[\s]+/", $content, 9);
$is_dir = $info[0]{0} == 'd';
if ($is_dir)
continue;
if ($content[0] == '/') {
$current_dir = str_replace(':', '', $content);
continue;
}
$file = $this->add_end_slash($current_dir) . $info[8];
$date = strtotime($info[6] . ' ' . $info[5] . ' ' . $info[7]);
if (! $date) {
$date = strtotime($info[6] . ' ' . $info[5] . ' ' . date('Y') . ' ' . $info[7]);
}
$list[$file] = [
'date' => $date
];
}
return $list;
}
}