From 761009df70a20cdc72ab3cea216a86c612b2d804 Mon Sep 17 00:00:00 2001
From: bergware <bergware@users.noreply.github.com>
Date: Fri, 15 May 2020 12:41:12 +0200
Subject: [PATCH] Revert "Multi-language support"

This reverts commit 83d4a10d2b88c001feabd538c88b12ad609ff386.
---
 plugins/dynamix/include/Translations.php | 48 +++++++++---------------
 1 file changed, 17 insertions(+), 31 deletions(-)

diff --git a/plugins/dynamix/include/Translations.php b/plugins/dynamix/include/Translations.php
index d831011eb..9f2282632 100644
--- a/plugins/dynamix/include/Translations.php
+++ b/plugins/dynamix/include/Translations.php
@@ -15,38 +15,32 @@ session_start();
 session_write_close();
 
 function _($text) {
+  // PHP translation function _
   global $language;
   if (!$text) return '';
-  $a = '/\&amp;|[\?\{\}\|\&\~\!\[\]\(\)\/\\:\*^\.\"\']|<.+?\/?>/';
-  $b = '/^(null|yes|no|true|false|on|off|none)$/i';
-  $c = '/  +/';
-  $data = $language[preg_replace([$a,$b,$c],['','$1.',' '],$text)] ?? $text;
+  $data = $language[preg_replace(['/\&amp;|[\?\{\}\|\&\~\!\[\]\(\)\/\\:\*^\.\"\']|<.+?\/?>/','/^(null|yes|no|true|false|on|off|none)$/i','/  +/'],['','$1.',' '],$text)] ?? $text;
   return strpos($data,'*')===false ? $data : preg_replace(['/\*\*(.+?)\*\*/','/\*(.+?)\*/'],['<b>$1</b>','<i>$1</i>'],$data);
 }
 function parse_lang_file($file) {
-  $a = '/^(null|yes|no|true|false|on|off|none)=/mi';
-  $b = '/^([^>].*)=(.*)$/m';
-  $c = '/^:(.+_(help|plug)):$/m';
-  $d = '/^:end$/m';
-  return shield(parse_ini_string(preg_replace([$a,$b,$c,$d],['$1.=','$1="$2"','_$1_="','"'],escapeQuotes(file_get_contents($file)))));
+  // parser for translation files, includes some trickery to handle PHP quirks.
+  return array_filter(parse_ini_string(preg_replace(['/^(null|yes|no|true|false|on|off|none)=/mi','/^([^>].*)=(.*)$/m','/^:(.+_(help|plug)):$/m','/^:end$/m'],['$1.=','$1="$2"','_$1_="','"'],str_replace(["\"\n",'"'],["\" \n",'\"'],file_get_contents($file)))),'secured',ARRAY_FILTER_USE_BOTH);
 }
 function parse_help_file($file) {
-  $a = '/^$/m';
-  $b = '/^([^:;].+)$/m';
-  $c = '/^:(.+_help):$/m';
-  $d = '/^:end$/m';
-  return shield(parse_ini_string(preg_replace([$a,$b,$c,$d],['>','>$1','_$1_="','"'],escapeQuotes(file_get_contents($file)))));
+  // parser for help text files (multi-line sections), includes some trickery to handle PHP quirks.
+  return parse_ini_string(preg_replace(['/^$/m','/^([^:;].+)$/m','/^:(.+_help):$/m','/^:end$/m'],['>','>$1','_$1_="','"'],str_replace(["\"\n",'"'],["\" \n",'\"'],file_get_contents($file))));
 }
 function parse_text($text) {
-  $a = "/^:(.+_help):$/m";
-  $b = "/^:(.+_plug):$/m";
-  $c = "/^:end$/m";
-  $d = '/_\((.+?)\)_/m';
-  return preg_replace_callback($d,function($m){return _($m[1]);},preg_replace([$a,$b,$c],["<?translate(\"_$1_\");?>","<?if (translate(\"_$1_\")):?>","<?endif;?>"],$text));
+  // inline text parser
+  return preg_replace_callback('/_\((.+?)\)_/m',function($m){return _($m[1]);},preg_replace(["/^:(.+_help):$/m","/^:(.+_plug):$/m","/^:end$/m"],["<?translate(\"_$1_\");?>","<?if (translate(\"_$1_\")):?>","<?endif;?>"],$text));
 }
 function parse_file($file,$markdown=true) {
+  // replacement of PHP include function
   return $markdown ? Markdown(parse_text(file_get_contents($file))) : parse_text(file_get_contents($file));
 }
+function parse_array($text,&$array) {
+  // multi keyword parser
+  parse_str(str_replace([' ',':'],['&','='],$text),$array);
+}
 function my_lang($text,$do=0) {
   global $language;
   switch ($do) {
@@ -72,24 +66,16 @@ function my_lang($text,$do=0) {
   }
   return $text;
 }
-// internal helper functions
-function parse_array($text,&$array) {
-  parse_str(str_replace([' ',':'],['&','='],$text),$array);
-}
-function escapeQuotes($text) {
-  return str_replace(["\"\n",'"'],["\" \n",'\"'],$text);
-}
-function shield($array) {
-  $shield = '#<(script|iframe)(.*?)>(.+?)</(script|iframe)>|<(link|meta)\s(.+?)/?>#is';
-  return array_filter($array,function($v,$k){return strlen($v) && !preg_match($shield,html_entity_decode($v));},ARRAY_FILTER_USE_BOTH);
+function secured($v,$k) {
+  // remove potential dangerous tags
+  return strlen($v) && !preg_match('#<(script|iframe)(.*?)>(.+?)</(script|iframe)>|<(link|meta)\s(.+?)/?>#is',html_entity_decode($v));
 }
 function translate($key) {
+  // replaces multi-line sections
   global $language;
   if ($plug = isset($language[$key])) eval('?>'.Markdown($language[$key]));
   return !$plug;
 }
-
-// main
 $language = [];
 $locale   = $_SESSION['locale'];
 $return   = "function _(t){return t;}";