From 63bc6fa13e8c20ec78930e89b36fa50b13c32732 Mon Sep 17 00:00:00 2001
From: kallaballa <amir@viel-zu.org>
Date: Sun, 25 Dec 2022 05:56:27 +0100
Subject: [PATCH] CORS helper files

---
 src/optflow/get.php   | 32 ++++++++++++++++++++++++++++++++
 src/optflow/index.php | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+)
 create mode 100755 src/optflow/get.php
 create mode 100755 src/optflow/index.php

diff --git a/src/optflow/get.php b/src/optflow/get.php
new file mode 100755
index 000000000..4210de3a0
--- /dev/null
+++ b/src/optflow/get.php
@@ -0,0 +1,32 @@
+<?php
+function endsWith( $haystack, $needle ) {
+    $length = strlen( $needle );
+    if( !$length ) {
+        return true;
+    }
+    return substr( $haystack, -$length ) === $needle;
+}
+
+// open the file in a binary mode
+$resource = $_GET["res"];
+$name = "./${resource}";
+$fp = fopen($name, 'rb');
+
+// send the right headers
+if(endsWith($resource, ".html")) {
+	header("Content-Type: text/html");
+} elseif (endsWith($resource, ".js")) {
+	header("Content-Type: text/javascript");
+} elseif (endsWith($resource, ".wasm")) {
+        header("Content-Type: application/wasm");
+} else {
+        header("Content-Type: text/html");
+}
+header("Content-Length: " . filesize($name));
+header("Cross-Origin-Embedder-Policy: require-corp");
+header("Cross-Origin-Opener-Policy: same-origin");
+fpassthru($fp);
+exit;
+
+?>
+
diff --git a/src/optflow/index.php b/src/optflow/index.php
new file mode 100755
index 000000000..8f84dd92f
--- /dev/null
+++ b/src/optflow/index.php
@@ -0,0 +1,32 @@
+<?php
+function endsWith( $haystack, $needle ) {
+    $length = strlen( $needle );
+    if( !$length ) {
+        return true;
+    }
+    return substr( $haystack, -$length ) === $needle;
+}
+
+// open the file in a binary mode
+$resource = "optflow.html";
+$name = "./${resource}";
+$fp = fopen($name, 'rb');
+
+// send the right headers
+if(endsWith($resource, ".html")) {
+	header("Content-Type: text/html");
+} elseif (endsWith($resource, ".js")) {
+	header("Content-Type: text/javascript");
+} elseif (endsWith($resource, ".wasm")) {
+        header("Content-Type: application/wasm");
+} else {
+        header("Content-Type: text/html");
+}
+header("Content-Length: " . filesize($name));
+header("Cross-Origin-Embedder-Policy: require-corp");
+header("Cross-Origin-Opener-Policy: same-origin");
+fpassthru($fp);
+exit;
+
+?>
+