From b2708a2b3f59d1ca0c9b214fb3ae898fccf4fbce Mon Sep 17 00:00:00 2001
From: Ken Fallon <ken@fallon.ie>
Date: Mon, 21 Oct 2024 17:35:20 +0200
Subject: [PATCH] The addition of a ccdn redirector and updating the link to
 media to point to it

---
 hub/ccdn.php | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 www/rss.php  | 21 ++----------
 2 files changed, 94 insertions(+), 19 deletions(-)
 create mode 100644 hub/ccdn.php

diff --git a/hub/ccdn.php b/hub/ccdn.php
new file mode 100644
index 0000000..4264f91
--- /dev/null
+++ b/hub/ccdn.php
@@ -0,0 +1,92 @@
+<?php
+# request.php > request_confirm.php > upload.php > upload_confirm.php
+require "/home/hpr/php/include.php";
+
+$ip = $_SERVER["REMOTE_ADDR"];
+
+if ( $_SERVER['REQUEST_METHOD'] !== 'GET' ) {
+  naughty("34522f7b9ba88b319afa9f063b98905c");
+}
+
+if ( empty($_SERVER["REMOTE_ADDR"]) ) {
+  naughty("021dbd5f91f40918ea68fd0ca1a2e381");
+}
+
+if ( count($_GET) !== 1 ) {
+  naughty("f5df1c0d9accb7868e601b60cf2f5c06");
+}
+
+if ( isset($_GET["filename"]) ) {
+
+  $filename = $_GET["filename"];
+  if ( empty($filename) ) {
+    naughty("ef50f1353583f371903daba3abc9b3a4");
+  }
+
+  $filename = filter_var($filename, FILTER_UNSAFE_RAW, FILTER_FLAG_STRIP_LOW|FILTER_FLAG_STRIP_HIGH);
+
+  $dirname = dirname("$filename", 2);
+  if ( empty($dirname) ) {
+    naughty("71b6b14eef459e0404311257dad8ffe4");
+  }
+ 
+  if ( $dirname === "/" ) {
+    naughty("9e342e30b911e1ac3c5e831a6da6116b");
+  }
+
+  if ( !(
+    strcmp($dirname, "/correspondents") === 0 or
+    strcmp($dirname, "/eps") === 0 or
+    strcmp($dirname, "/series") === 0 )
+    ) {
+    naughty("f157a8f5fedc7282c7a6469931223dbf");
+  }
+
+  $name = basename($filename); // To get file name
+  if ( empty($name) ) {
+    naughty("27ece7c2dba5caa5885ef40737270fd3");
+  }
+
+  $ext = pathinfo($filename, PATHINFO_EXTENSION); // To get extension
+  if ( empty($ext) ) {
+    naughty("c6a4329fe2f3c2c739ec666e956c2c5f");
+  }
+
+  $prefix =pathinfo($filename, PATHINFO_FILENAME); // File name without extension
+  if ( empty($prefix) ) {
+    naughty("f398399ec10ec9ab4b5b23ae43f21b01");
+  }
+
+
+  if ( strlen($filename) < 5 ) {
+    naughty("f78bf180af9239fc7fcf5fbc2b13b59b");
+  }
+
+  if ( strlen($filename) > 60 ) {
+    naughty("38e9a0cf7f650ac62e75c08269c9d913");
+  }
+
+  if ( !(
+    strcmp($ext, "flac") === 0 or
+    strcmp($ext, "jpg") === 0 or
+    strcmp($ext, "json") === 0 or
+    strcmp($ext, "mp3") === 0 or
+    strcmp($ext, "ogg") === 0 or
+    strcmp($ext, "opus") === 0 or
+    strcmp($ext, "png") === 0 or
+    strcmp($ext, "spx") === 0 or
+    strcmp($ext, "srt") === 0 or
+    strcmp($ext, "tsv") === 0 or
+    strcmp($ext, "txt") === 0 or
+    strcmp($ext, "vtt") === 0 )
+    ) {
+    naughty("545e49f7ac913863c6c3db40670ebb9d");
+  }
+}
+else {
+  naughty("0b78322e1c5010ba289c20250ca1fb1f");
+}
+
+header("location:https://alpha.nl.eu.mirror.hackerpublicradio.org${filename}");
+
+?>
diff --git a/www/rss.php b/www/rss.php
index ac46d8d..10d7444 100644
--- a/www/rss.php
+++ b/www/rss.php
@@ -60,11 +60,6 @@ switch ($atomurl) {
         $mimetype = "audio/mpeg";
         $feed = "tenday";
         break;
-    case "/rss1.php":
-        $format = "spx";
-        $mimetype = "audio/ogg";
-        $feed = "tenday";
-        break;
 }
 
 require "/home/hpr/php/include.php";
@@ -237,20 +232,8 @@ if ($result = mysqli_query($connection, $query)) {
     else{
         $episode_explicit = "Explicit";
     } 
-    $url="http://hackerpublicradio.org/eps/hpr${id}${version}";
-    if (isset($_GET['hostidinfilename'])) {
-        $hostidinfilename = $_GET['hostidinfilename'];
-        if ( $hostidinfilename === "1" ) {
-          $url = $url . "_host-" . htmlspecialchars(stripslashes(strip_tags($row["hostid"])));
-        }
-    }
-    if ( isset($_GET['seriesidinfilename']) ) {
-        $seriesidinfilename = $_GET['seriesidinfilename'];
-        if ( $seriesidinfilename === "1" ) {
-          $url = $url . "_series-" . htmlspecialchars(stripslashes(strip_tags($row["series"])));
-        }
-    }
-    $url = $url . "." . $format;
+
+    $url="https://hub.hackerpublicradio.org/ccdn.php?filename=/eps/hpr${id}/hpr${id}.${format}";
   
     $itunes_summary = htmlspecialchars(stripslashes(strip_tags(substr($row["notes"],0,4000))));
     if ( $html == 1 ) {