From cdaec9bc62aff17617a1d0aa994602c47c1bdb3f Mon Sep 17 00:00:00 2001
From: xiaomlove <i353856593@163.com>
Date: Sat, 1 Oct 2022 19:54:19 +0800
Subject: [PATCH] fix nfo display

---
 include/functions.php | 38 ++++++++++++++++++++++++++++++++++++++
 public/details.php    |  2 +-
 public/viewnfo.php    |  4 ++--
 3 files changed, 41 insertions(+), 3 deletions(-)

diff --git a/include/functions.php b/include/functions.php
index 11b8e8f0..808e7804 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -3998,6 +3998,44 @@ $s = str_replace($table437, $tablehtml, $s);
 return $s;
 }
 
+/**
+ * @param $ibm_437
+ * @param $view
+ * @return array|string|string[]
+ * @ref https://github.com/HDInnovations/UNIT3D-Community-Edition/blob/master/app/Helpers/Nfo.php
+ */
+function code_new($ibm_437, $view)
+{
+    $swedishmagic = false;
+    if ($view == "magic") {
+        $swedishmagic = true;
+    }
+    $cf = array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 8962, 199, 252, 233, 226, 228, 224, 229, 231, 234, 235, 232, 239, 238, 236, 196, 197, 201, 230, 198, 244, 246, 242, 251, 249, 255, 214, 220, 162, 163, 165, 8359, 402, 225, 237, 243, 250, 241, 209, 170, 186, 191, 8976, 172, 189, 188, 161, 171, 187, 9617, 9618, 9619, 9474, 9508, 9569, 9570, 9558, 9557, 9571, 9553, 9559, 9565, 9564, 9563, 9488, 9492, 9524, 9516, 9500, 9472, 9532, 9566, 9567, 9562, 9556, 9577, 9574, 9568, 9552, 9580, 9575, 9576, 9572, 9573, 9561, 9560, 9554, 9555, 9579, 9578, 9496, 9484, 9608, 9604, 9612, 9616, 9600, 945, 223, 915, 960, 931, 963, 181, 964, 934, 920, 937, 948, 8734, 966, 949, 8745, 8801, 177, 8805, 8804, 8992, 8993, 247, 8776, 176, 8729, 183, 8730, 8319, 178, 9632, 160);
+    $s = "";
+    for ($c = 0; $c < strlen($ibm_437); $c++) {  // cyctle through the whole file doing a byte at a time.
+        $byte = $ibm_437[$c];
+        $ob = ord($byte);
+        if ($ob >= 127) {  // is it in the normal ascii range
+            $s .= '&#' . $cf[$ob] . ';';
+        } else {
+            $s .= $byte;
+        }
+    }
+
+    if ($swedishmagic) {
+        $s = str_replace("\345","\206",$s);
+        $s = str_replace("\344","\204",$s);
+        $s = str_replace("\366","\224",$s);
+        $s = preg_replace("/([ -~])\305([ -~])/", "\\1\217\\2", $s);
+        $s = preg_replace("/([ -~])\304([ -~])/", "\\1\216\\2", $s);
+        $s = preg_replace("/([ -~])\326([ -~])/", "\\1\231\\2", $s);
+        $s = str_replace ( "\311", "\220", $s ); //
+        $s = str_replace ( "\351", "\202", $s ); //
+    }
+
+    return $s;
+}
+
 
 //Tooltip container for hot movie, classic movie, etc
 function create_tooltip_container($id_content_arr, $width = 400)
diff --git a/public/details.php b/public/details.php
index 889ca0f5..33bbeb9f 100644
--- a/public/details.php
+++ b/public/details.php
@@ -300,7 +300,7 @@ JS;
 
 		if (user_can('viewnfo') && $CURUSER['shownfo'] != 'no' && $row["nfosz"] > 0){
 			if (!$nfo = $Cache->get_value('nfo_block_torrent_id_'.$id)){
-				$nfo = code($row["nfo"], get_setting('torrent.nfo_view_style_default'));
+				$nfo = code_new($row["nfo"], get_setting('torrent.nfo_view_style_default'));
 				$Cache->cache_value('nfo_block_torrent_id_'.$id, $nfo, 604800);
 			}
 			tr("<a href=\"javascript: klappe_news('nfo')\"><img class=\"plus\" src=\"pic/trans.gif\" alt=\"Show/Hide\" id=\"picnfo\" title=\"".$lang_details['title_show_or_hide']."\" /> ".$lang_details['text_nfo']."</a><br /><a href=\"viewnfo.php?id=".$row['id']."\" class=\"sublink\">". $lang_details['text_view_nfo']. "</a>", "<div id='knfo' style=\"display: none;\"><pre style=\"font-size:10pt; font-family: 'Courier New', monospace;white-space: break-spaces\">".$nfo."</pre></div>\n", 1);
diff --git a/public/viewnfo.php b/public/viewnfo.php
index 9efee758..6d5b7ed6 100644
--- a/public/viewnfo.php
+++ b/public/viewnfo.php
@@ -28,13 +28,13 @@ if ($view == "latin-1" || $view == "fonthack") {
 // NOTICE: TBSource specifies Latin-1 encoding in include/bittorrent.php:
 // stdhead()
 //$nfo = htmlspecialchars(($a["nfo"]));
-$nfo = code($a["nfo"], $view);
+$nfo = code_new($a["nfo"], $view);
 }
 else {
 // Convert from ibm-437 to html unicode entities.
 // take special care of Swedish letters if in magic view.
 //$nfo = code($a["nfo"], $view == "magic");
-$nfo = code($a["nfo"], $view);
+$nfo = code_new($a["nfo"], $view);
 }
 
 stdhead($lang_viewnfo['head_view_nfo']);