Add script 'get-openssl-version.sh'.

snippets/dokuwiki-2023-04-04/inc/HTTP/Headers.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace dokuwiki\HTTP;
+
+/**
+ * Utilities to send HTTP Headers
+ */
+class Headers
+{
+    /**
+     * Send a Content-Security-Polica Header
+     *
+     * Expects an associative array with individual policies and their values
+     *
+     * @param array $policy
+     */
+    static public function contentSecurityPolicy($policy)
+    {
+        foreach ($policy as $key => $values) {
+            // if the value is not an array, we also accept newline terminated strings
+            if (!is_array($values)) $values = explode("\n", $values);
+            $values = array_map('trim', $values);
+            $values = array_unique($values);
+            $values = array_filter($values);
+            $policy[$key] = $values;
+        }
+
+        $cspheader = 'Content-Security-Policy:';
+        foreach ($policy as $key => $values) {
+            if ($values) {
+                $cspheader .= " $key " . join(' ', $values) . ';';
+            } else {
+                $cspheader .= " $key;";
+            }
+        }
+
+        header($cspheader);
+    }
+}