From 21e0220716e718e3f0d264eadc9601e47fc88f20 Mon Sep 17 00:00:00 2001
From: Lorenz Stechauner <lorenz.stechauner@necronda.net>
Date: Fri, 1 Dec 2023 23:42:39 +0100
Subject: [PATCH] files: update parsing

---
 www/files/index.php | 68 +++++++++++++++++++++++++++++++++++++--------
 1 file changed, 56 insertions(+), 12 deletions(-)

diff --git a/www/files/index.php b/www/files/index.php
index c223efc..853cbdd 100644
--- a/www/files/index.php
+++ b/www/files/index.php
@@ -2,7 +2,20 @@
 require "../format.inc";
 $TITLE = 'Downloads';
 
-if ($_SERVER['PATH_INFO'] !== '') {
+global $getProd;
+global $getVers;
+$getProd = null;
+$getVers = null;
+$info = explode('/', $_SERVER['PATH_INFO']);
+if ($info[1] === 'elwig' || $info[1] === 'winziprint') {
+    $getProd = $info[1];
+    $getVers = $info[2];
+    if (sizeof($info) > 3) {
+        header('Status: 404');
+        header('Content-Length: 0');
+        exit();
+    }
+} else if ($_SERVER['PATH_INFO'] !== '') {
     header('Status: 404');
     header('Content-Length: 0');
     exit();
@@ -14,37 +27,68 @@ foreach (scandir('.') as $file) {
     $files[$file] = [filesize($file), filemtime($file), filectime($file)];
 }
 
+$entities = [];
+foreach ($files as $name => [$size, $mtime, $ctime]) {
+    $p1 = strrpos($name, '-') + 1;
+    $p2 = strrpos($name, '.');
+    $vers = substr($name, $p1, $p2 - $p1);
+    $url = "https://www.necronda.net/elwig/files/$name";
+    $mod = date(DATE_ATOM, $mtime);
+    $cre = date(DATE_ATOM, $ctime);
+    $prod = strtolower(substr($name, 0, $p1 - 1));
+    $entities[$name] = [
+        $prod,
+        $vers,
+        $url,
+        $size,
+        $mtime,
+        $ctime,
+        $mod,
+        $cre
+    ];
+}
+$versions = [];
+if ($getVers === 'latest') {
+    foreach ($entities as $name => [$prod, $vers, $url, $size, $mtime, $ctime, $mod, $cre]) {
+        $versions[$prod] = $vers;
+    }
+}
+$entities = array_filter($entities, function($e) {
+    global $getProd;
+    global $getVers;
+    return (empty($getProd) || $getProd === $e[0]) && (empty($getVers) || $getVers === $e[1]);
+});
+
 $format = get_fmt();
 if ($format === 'json') {
     header('Content-Type: application/json; charset=UTF-8');
     echo "{\"status\": \"success\", \"data\": [\n";
     $first = true;
-    foreach ($files as $name => [$size, $mtime, $ctime]) {
+    foreach ($entities as $name => [$prod, $vers, $url, $size, $mtime, $ctime, $mod, $cre]) {
         if (!$first) echo ",\n";
-        $p1 = strrpos($name, '-') + 1;
-        $p2 = strrpos($name, '.');
-        $vers = substr($name, $p1, $p2 - $p1);
-        $url = "https://www.necronda.net/elwig/files/$name";
-        $mod = date(DATE_ATOM, $mtime);
-        $cre = date(DATE_ATOM, $ctime);
-        echo "  {\"version\": \"$vers\", \"name\": \"$name\", \"url\": \"$url\", \"size\": $size, \"created\": \"$cre\", \"modified\": \"$mod\"}";
+        echo "  {\"product\": \"$prod\", \"version\": \"$vers\", \"name\": \"$name\", \"url\": \"$url\", \"size\": $size, \"created\": \"$cre\", \"modified\": \"$mod\"}";
         $first = false;
     }
     echo "\n]}\n";
 } else if ($format === 'text') {
     header('Content-Type: text/plain; charset=UTF-8');
-    foreach ($files as $name => [$size, $mtime, $ctime]) {
+    foreach ($entities as $name => [$prod, $vers, $url, $size, $mtime, $ctime, $mod, $cre]) {
         echo "$name\t" . number_format($size / 1024 / 1024, 1) . " MB\n";
     }
 } else if ($format === 'html') {
+    if (isset($getProd) && isset($getVers) && sizeof($entities) === 1) {
+        header('Status: 303');
+        header('Location: ' . $entities[array_key_first($entities)][2]);
+        exit();
+    }
     header('Content-Type: text/html; charset=UTF-8');
     require "../header.inc"; ?>
     <h1>Downloads</h1>
     <table>
         <thead><tr><th>Name</th><th>Größe</th></tr></thead>
         <tbody>
-<?php foreach ($files as $name => [$size, $mtime, $ctime]) {
-        echo "            <tr><td><a href='$name'>$name</a></td><td>" . number_format($size / 1024 / 1024, 1) . " MB</td></tr>\n";
+<?php foreach ($entities as $name => [$prod, $vers, $url, $size, $mtime, $ctime, $mod, $cre]) {
+        echo "            <tr><td><a href='files/$name'>$name</a></td><td>" . number_format($size / 1024 / 1024, 1) . " MB</td></tr>\n";
     } ?>
         </tbody>
     </table>