<?php
/*
Uploading files to the WWW server via FTP, version 1.1
(C) Z. Wagner -- Ice Bear Soft, 2001, 2004, 2006
http://icebearsoft.euweb.cz

This PHP script is free software. Its use and distribution should follow
the General Public Licence (see http://www.gnu.org). Since this licence
is void in the Czech Republic, the users may opt to use a modified version
available from http://www.zastudena.cz

You can find more information on http://icebearsoft.euweb.cz/czgpl/
*/

# Make directory for item

function makedir4($item) {
global $remote_dirs, $conn;
if (preg_match('/^(.+)\/(.+)\/(.+)$/', $item, $m)) {
  $d = $m[1] . '/' . $m[2];
  if (!in_array($d, $remote_dirs)) {
    if (!in_array($m[1], $remote_dirs)) makedir4($d);
    echo "\r\nTrying to create directory $d\r\n";
    if (!ftp_mkdir($conn, $d)) {
      ftp_quit($conn);
      die("Directory (1) $d cannot be created.");
    }
    $remote_dirs[] = $d;
  }
}
elseif (preg_match('/^(.+)\/(.+)$/', $item, $m)) {
  $d = $m[1];
  if (!in_array($d, $remote_dirs)) {
    echo "\r\nTrying to create directory $d\r\n";
    if (!ftp_mkdir($conn, $d)) {
      ftp_quit($conn);
      die("Directory (2) $d cannot be created.");
    }
    $remote_dirs[] = $d;
  }
}}


# Main program -- requires <local_dir> <ftp_host> <ftp_user> <ftp_password>

if ($argc != 5) die("Invalid number of parameters! ($argc)");
$local_dir = $argv[1];
$ftp_host = $argv[2];
$ftp_user = $argv[3];
$ftp_pass = $argv[4];

$delay = 600; # delay for putting advertisement...

echo "Building the list of local files.\r\n";
$dirlist[] = $local_dir;
while ($dir = array_shift($dirlist)) {
  $d = opendir($dir);
  while ($file = readdir($d)) {
    if ($file != '.' && $file != '..') {
      $file = $dir . '/' . $file;
      if (is_dir($file)) $dirlist[] = $file;
      else {
        $tm = filemtime($file);
        $local_files[$file] = $tm;
      }
    }
  }
  closedir($d);
}
ksort($local_files);

$conn = ftp_connect($ftp_host);
if (!$conn) {
  die("Connection to $ftp_host failed.");
}

if (!ftp_login($conn, $ftp_user, $ftp_pass)) {
  die("Login for $ftp_user failed.");
}

echo "Building the list of remote files.\r\n";
$fdirs[] = '.';
while ($fd = array_shift($fdirs)) {
  unset($nlist);
  $nlist = ftp_nlist($conn, $fd);

  if ($nlist && is_array($nlist)) {
    foreach($nlist as $v) {
      $mt = ftp_mdtm($conn, $v);
      if ($mt < 0) {
        if (!preg_match('/\.$/', $v)) $fdirs[] = $remote_dirs[] = $v;
      }
      else {
        $remote_files[$v] = $mt;
      }
    }
  }
}
ksort($remote_files);

# Removing the old files from the ftp server

echo "\r\nRemoving the old files from the ftp server\r\n";
echo     "==========================================\r\n";
foreach(array_keys($remote_files) as $rf) {
  $lf = $local_dir . '/' . $rf;
  if (!$local_files[$lf]) {
    echo "Deleting $rf\r\n";
    ftp_delete($conn, $rf);
  }
}
reset($remote_files);


# Uploading the new or changed files

echo "\r\nUploading the new or changed files\r\n";
echo     "==================================\r\n";

$llen = strlen($local_dir) + 1;  # remote files do not have leading slashes
$uploaded = 0;
while (list($lf, $lt) = each($local_files)) {
  $rf = substr($lf, $llen);
  $rt = $remote_files[$rf];
  $lsz = filesize($lf); # size of the local file
  if ($rt) { # file exists
    $rsz = ftp_size($conn, $rf); # size of the remote file
    if ($rt - $delay <= $lt || $lsz > $rsz) { # the file is old or short
      for ($attempt = 0;  $attempt < 10 && (!$attempt || $lsz > $rsz);  $attempt++) {
        echo "Uploading $rf\r\n";
        echo "$rf $rsz $lsz\r\n";
        if (!ftp_put($conn, $rf, $lf, FTP_BINARY)) {
          ftp_quit($conn);
          die('File upload failed.');
        }
        $rsz = ftp_size($conn, $rf); # size of the remote file
      }
      $uploaded++;
    }
  }
  else { # new file
    makedir4($rf);
    $rsz = 0;
    for ($attempt = 0;  $attempt < 10 && $lsz > $rsz;  $attempt++) {
      echo "Uploading $rf\r\n";
      echo "$rf $rsz $lsz\r\n";
      if (!ftp_put($conn, $rf, $lf, FTP_BINARY)) {
        ftp_quit($conn);
        die('File upload failed.');
      }
      $rsz = ftp_size($conn, $rf); # size of the remote file
    }
    $uploaded++;
  }
}

echo "$uploaded files uploaded.\r\n";

ftp_quit($conn);

?>