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4images 1.7.9

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kai:
:flag-de: Die neue Version 4images 1.7.9 wurde veröffentlicht. Das Release bringt Detailverbesserungen, behebt einge bugs und zwei sicherheitsrelevante Fehler.
Wir empfehlen allen Nutzern ein Update auf die aktuelle Version. Alle Änderungen und Features sind in der Datei "docs/Changelog.txt" aufgelistet.

:flag-en: The new version 4images 1.7.9 has been released. This release comes with some improvements, bugfixes, 2 security fixes and minor changes.
We recommend all users to update to the current version. All changes and features are listed in "docs/Changelog.txt".

Download:
http://www.4homepages.de/4images/download.php

Demo:
http://www.4homepages.de/4images/demo.php

Für Feedback zur 4images 1.7.9 Version bitte diesen Thread nutzen.

Please use this thread for feedback about the 4images 1.7.9 version.

kai:
=========================================================
ChangeLog Version 1.7.9
=========================================================
- Added CSRF protection system (see docs/CSRF.english.txt or docs/CSRF.deutsch.txt)
- Security Fix for XSS issue in admin/admin_functions.php
- Fixed "Support for PHP4" (http://www.4homepages.de/forum/index.php?topic=27939.0)
- Fixed "multi-word search in 1.7.8" (http://www.4homepages.de/forum/index.php?topic=28028.0)
- Fixed "Uploadfehler nach Update von 1.7.7 auf 1.78" (http://www.4homepages.de/forum/index.php?topic=27829.0)
- Fixed "Can't login" (http://www.4homepages.de/forum/index.php?topic=27782.0)
- Fixed "Check new images - thumbnail not saved if already existed." (http://www.4homepages.de/forum/index.php?topic=27739.0)
- Fixed "Database Backup shows only *.sql files (no *.sql.gz)" (http://www.4homepages.de/forum/index.php?topic=27757.0)
- Fixed "Beschreibung nicht in Suche eingeschlossen" (http://www.4homepages.de/forum/index.php?topic=27747.0)

Neue Dateien / New Files:
---------------------------------------
- includes/csrf_utils.php


Geänderte Dateien / Changed Files:
---------------------------------------
global.php
member.php
admin/admin_functions.php
admin/admin_global.php
admin/backup.php
admin/checkimages.php
admin/images.php
admin/validateimages.php
admin/plugins/migrate_keywords.php
includes/constants.php
includes/page_header.php
includes/search_utils.php
includes/sessions.php


Sprache / Language:
---------------------------------------
- admin.php
    - edited: $lang['field_keywords_ext']
    - added: $lang['cni_thumbnail_rename_success']
    - added: $lang['cni_thumbnail_rename_error']
    - added: $lang['cni_copy_success']
    - added: $lang['cni_copy_error']
    - added: $lang['cni_copy_thumb_success']
    - added: $lang['cni_copy_thumb_error']
    - added: $lang['file_not_found']

kai:
Here is a detailed list of what has been changed in the php files from 4images 1.7.8 -> 1.7.9.
(The best way for yourself to compare the code of files is to use Winmerge.)


Language files:


lang/deutsch/admin.php

find:
$lang['field_keywords'] = "Keywords";
$lang['field_keywords_ext'] = "Keywords<br /><span class=\"smalltext\">Keywords durch Leerzeichen getrennt eingeben.</span>";

replace with:
$lang['field_keywords'] = "Schlüsselwörter";
$lang['field_keywords_ext'] = "Schlüsselwörter<br /><span class=\"smalltext\">Schlüsselwörter durch Komma getrennt eingeben.</span>";

find:
$lang['field_keywords_contains'] = "Keywords enthält";

replace with:
$lang['field_keywords_contains'] = "Schlüsselwörter enthält";

find:
$lang['cni_media_file_rename'] = "Media Dateiname wurde umbenannt von <b>{from}</b> zu <b>{to}</b>";
$lang['cni_media_file_rename_error'] = "<u>Fehler</u> bei Umbenennen der Media Datei von <b>{from}</b> zu <b>{to}</b>";
$lang['cni_thumb_file_rename'] = "Thumbnail Dateiname wurde umbenannt von <b>{from}</b> zu <b>{to}</b>";
$lang['cni_thumb_file_rename_error'] = "<u>Fehler</u> bei Umbenennen der Thumbnail Datei von <b>{from}</b> zu <b>{to}</b>";
$lang['cni_copy_success'] = "Kopiere Original Datei in <b>{name}</b> Ordner.";
$lang['cni_copy_thumb_success'] = "Kopiere Thumbnail in <b>{name}</b> Ordner.";

replace with:
$lang['cni_thumbnail_rename_success'] = "Thumbnail umbenannt von <b>{from}</b> nach <b>{to}</b>";
$lang['cni_thumbnail_rename_error'] = "<u>Fehler</u> beim Umbenennen des Thumbnails von <b>{from}</b> nach <b>{to}</b>";
$lang['cni_copy_success'] = "Datei wurde in den Ordner <b>{name}</b> kopiert.";
$lang['cni_copy_error'] = "<u>Fehler</u> beim Kopieren der Datei in den Ordner <b>{name}</b>.";
$lang['cni_copy_thumb_success'] = "Thumbnail wurde in den Ordner <b>{name}</b> kopiert.";
$lang['cni_copy_thumb_error'] = "<u>Fehler</u> beim Kopieren des Thumbnails in den Ordner <b>{name}</b>.";

find:
$lang['cni_working'] = "Datei <b>{file}</b> wurde Bearbeitet";

replace with:
$lang['cni_working'] = "Datei <b>{file}</b> wurde bearbeitet";
$lang['file_not_found'] = "Datei nicht gefunden";


lang/english/admin.php

find:
$lang['field_keywords_ext'] = "Keywords<br /><span class=\"smalltext\">Keywords must be separated by commas or newlines.</span>";

replace with:
$lang['field_keywords_ext'] = "Keywords<br /><span class=\"smalltext\">Keywords must be separated by commas.</span>";


lang/english/main.php

find:
$lang['keywords_ext'] = "Keywords:<br /><span class=\"smalltext\">Keywords must be separated by commas or newlines.</span>";

replace with:
$lang['keywords_ext'] = "Keywords:<br /><span class=\"smalltext\">Keywords must be separated by commas.</span>";


lang/spanish/admin.php

find:
$lang['field_keywords_ext'] = "Palabras clave<br /><span class=\"smalltext\">Las palabras clave deben estar separadas por espacios.</span>";

insert after:
$lang['field_keywords_ext'] = "Palabras clave<br /><span class=\"smalltext\">Introducir palabras separadas por comas.</span>";

kai:
Here is a detailed list of what has been changed in the php files from 4images 1.7.8 -> 1.7.9.
(The best way for yourself to compare the code of files is to use Winmerge.)


Root files


global.php

find:
function addslashes_array($array) {

insert before:
if (!function_exists("date_default_timezone_set")) {
  function date_default_timezone_set($timezone) {
    return true;
  }
}

find:
@include(ROOT_PATH.'config.php');

insert before:
// Initialize CSRF protection configuration
$csrf_protection_enable      = 1;
$csrf_protection_frontend    = 1;
$csrf_protection_backend     = 1;
$csrf_protection_expires     = 7200;
$csrf_protection_name        = '__csrf';
$csrf_protection_xhtml       = 1;

find:
include_once(ROOT_PATH.'includes/captcha_utils.php');

insert after:
//-----------------------------------------------------
//--- CSRF protection ---------------------------------
//-----------------------------------------------------
include_once(ROOT_PATH.'includes/csrf_utils.php');


member.php

find:
$search_words[$image_column] = stripslashes($HTTP_POST_VARS[$image_column]);
        }
      }
      remove_searchwords($image_id);

replace with:
$search_words[$image_column] = stripslashes($HTTP_POST_VARS[$image_column]);
          if ($image_column == 'image_keywords') {
            $search_words[$image_column] = explode(',', $search_words[$image_column]);
          }
        }
      }
      remove_searchwords($image_id);

find:
$search_words[$image_column] = stripslashes($HTTP_POST_VARS[$image_column]);
            }
          }
          add_searchwords($image_id, $search_words);

replace with:

$search_words[$image_column] = stripslashes($HTTP_POST_VARS[$image_column]);
              if ($image_column == 'image_keywords') {
                $search_words[$image_column] = explode(',', $search_words[$image_column]);
              }
            }
          }
          add_searchwords($image_id, $search_words);



Admin files


admin/admin_functions.php

find:
echo "<form action=\"".$site_sess->url($phpscript)."\"".$upload." name=\"".$name."\" method=\"post\">\n";

replace with:
echo "<form action=\"".$site_sess->url(safe_htmlspecialchars(strip_tags($phpscript)))."\"".$upload." name=\"".$name."\" method=\"post\">\n";

find:
echo "<a href=\"".$site_sess->url($url)."\"".$target.">[".$text."]</a>&nbsp;&nbsp;";

replace with:
echo "<a href=\"".$site_sess->url(safe_htmlspecialchars(strip_tags($url)))."\"".$target.">[".$text."]</a>&nbsp;&nbsp;";

find:
echo "<a href=\"".$site_sess->url($url)."\" class=\"navlink\">".$title."</a> $extra\n";

replace with:
echo "<a href=\"".$site_sess->url(safe_htmlspecialchars(strip_tags($url)))."\" class=\"navlink\">".$title."</a> $extra\n";

admin/admin_global.php

find:
include_once(ROOT_PATH.'admin/admin_functions.php');

insert after:
if ($csrf_protection_enable && $csrf_protection_backend) {
    csrf_start();
}

admin/backup.php

find:
if (is_file(ROOT_PATH.DATABASE_DIR."/".$file) && $file != "." && $file != ".." && preg_match("/\.sql$/i",$file))

replace with:
if (is_file(ROOT_PATH.DATABASE_DIR."/".$file) && $file != "." && $file != ".." && preg_match("/\.sql/i",$file))

admin/checkimages.php

find and delete (line 345):
$image_thumb_file = "";

find:
$search_words[$image_column] = stripslashes($HTTP_POST_VARS[$image_column.'_'.$i]);

insert after:
if ($image_column == 'image_keywords') {
  $search_words[$image_column] = explode(',', $search_words[$image_column]);
   }

find:
echo "<td>Found in: ".(($cat_name == "" && !$key) ? "[root folder]" : "$cat_name (ID:$key)")."</td>\n";

replace with:
echo "<td>" . $lang['cni_foundin'] . ": ".(($cat_name == "" && !$key) ? "[root folder]" : "$cat_name (ID:$key)")."</td>\n";

admin/images.php

find:
$search_words[$image_column] = stripslashes($HTTP_POST_VARS[$image_column]);

insert after:
if ($image_column == 'image_keywords') {
  $search_words[$image_column] = explode(',', $search_words[$image_column]);
}

find:
$search_words[$image_column] = stripslashes($HTTP_POST_VARS[$image_column.'_'.$i]);

insert after:
if ($image_column == 'image_keywords') {
  $search_words[$image_column] = explode(',', $search_words[$image_column]);
}

admin/validateimages.php

find:
$search_words[$image_column] = $image_cache[$key][$image_column];

insert after:
if ($image_column == 'image_keywords') {
  $search_words[$image_column] = explode(',', $search_words[$image_column]);
}

admin/plugins/migrate_keywords.php

find:
"image_keywords" => $image_keywords,

replace with:
"image_keywords" => explode(',', $image_keywords),


includes files


includes/constants.php

find:
define('MAX_SEARCH_KEYWORD_LENGTH', 25);

replace with:
define('MAX_SEARCH_KEYWORD_LENGTH', 60);

find:
define('SCRIPT_VERSION', '1.7.8');

replace with:
define('SCRIPT_VERSION', '1.7.9');

includes/page_header.php

find:
$site_template->un_register_vars("user_loginform");
  unset($user_box);
}

insert after:
if ($csrf_protection_enable && $csrf_protection_frontend) {
    csrf_start(true);
}

includes/search_utils.php

find:
function prepare_searchwords($val, $for_search = false)
{
  $val = strip_tags(trim($val));
  $val = convert_special($val);
  $val = strtolower($val);

  $val = preg_replace('/[\n\r]+/', ',', $val);

  if ($for_search) {
    $search_array = array(
        "/\s+\+/",
        "/\s+\-/"
);


replace with:
function prepare_searchwords($val, $for_search = false)
{
  if (!is_array($val)) {
    $val = strip_tags(trim($val));
    $val = convert_special($val);
    $val = strtolower($val);

    $val = preg_replace('/[\n\r]+/', ',', $val);

    if ($for_search) {
      $search_array = array(
        "/\s+\+/",
        "/\s+\-/"
      );

      $replace_array = array(
        " and ",
        " not "
      );

      $val = preg_replace($search_array, $replace_array, $val);
    } else {
      $val = str_replace("*", "", $val);
    }

    $search_array = array(
      "/&(?!(#[0-9]+|[a-z]+);)/si",
      "#([^]_a-z0-9-=\"'\/])([a-z]+?)://([^, \(\)<>\n\r]+)#si",
      "#([^]_a-z0-9-=\"'\/])www\.([a-z0-9\-]+)\.([a-z0-9\-.\~]+)((?:/[^, \(\)<>\n\r]*)?)#si",
      "#[-_'`´]+#s",
      "#[\n\t\r^\$\(\)<>\"\|@\?%~\+\.\[\]{}:\/=!§\\\\]+#s"
    );

find:
$replace_array = array(
      " and ",
      " not "
    );

replace with:
$replace_array = array(
      " ",
      " ",
      " ",
      "",
      " "
    );

find:
$val = preg_replace($search_array, $replace_array, $val);
  } else {
    $val = str_replace("*", "", $val);
  }

  $search_array = array(
    "/&(?!(#[0-9]+|[a-z]+);)/si",
    "#([^]_a-z0-9-=\"'\/])([a-z]+?)://([^, \(\)<>\n\r]+)#si",
    "#([^]_a-z0-9-=\"'\/])www\.([a-z0-9\-]+)\.([a-z0-9\-.\~]+)((?:/[^, \(\)<>\n\r]*)?)#si",
    "#[-_'`´]+#s",
    "#[\n\t\r^\$\(\)<>\"\|@\?%~\+\.\[\]{}:\/=!§\\\\]+#s"
  );

  $replace_array = array(
    " ",
    " ",
    " ",
    "",
    " "
  );
  $val = preg_replace($search_array, $replace_array, $val);

  if (empty($val)) {
    return array();
  }

replace with:
$val = preg_replace($search_array, $replace_array, $val);

    if (empty($val)) {
      return array();
    }

    $split_words = preg_split("/\s+/", $val);
  } else {
      $split_words = $val;
      array_walk($split_words, 'trim_value');
      $split_words = array_unique(array_filter($split_words));
  }

find and delete:
$split_words = preg_split("/,+/", $val);

find:
$len = strlen(preg_replace("/&(#[0-9]+|[a-z]+);/siU", "_", $word));
if ($len >= MIN_SEARCH_KEYWORD_LENGTH && $len <= MAX_SEARCH_KEYWORD_LENGTH && !in_array($word, $stopword_list)) {
  $clean_words[] = $word;
    }
  }

insert after:
  if ($for_search) {
    // Add whole string for image_keyword search
    $clean_words[] = implode(' ', $clean_words);
 }

includes/sessions.php

find:
if (@ini_get('register_globals')) {

replace with:
$register_globals = strtolower(@ini_get('register_globals'));
if ($register_globals && $register_globals != "off" && $register_globals != "false") {

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