HeaderParserTrait

Author: valzargaming

src/VerifierServer/Endpoints/HeaderParserTrait.php

@@ -0,0 +1,35 @@
+<?php declare(strict_types=1);
+
+namespace VerifierServer\Endpoints;
+
+/**
+ * Trait HeaderParserTrait
+ *
+ * Provides functionality to parse HTTP request headers from a raw HTTP request string.
+ *
+ * @package VerifierServer\Endpoints
+ */
+trait HeaderParserTrait
+{
+    /**
+     * Parses the headers from a raw HTTP request string.
+     *
+     * This method takes a raw HTTP request string, splits it into lines,
+     * and extracts headers in the format "Header-Name: Header-Value".
+     * It returns an associative array where the keys are header names
+     * and the values are the corresponding header values.
+     *
+     * @param string $request The raw HTTP request string to parse.
+     * @return array An associative array of headers, where the keys are
+     *               header names and the values are header values.
+     */
+    static function parseHeaders(string $request): array
+    {
+        return array_reduce(
+            explode(PHP_EOL, $request), fn($carry, $line) =>
+                (strpos($line, ':') !== false)
+                    ? $carry += [trim(strtok($line, ':')) => trim(substr($line, strpos($line, ':') + 1))]
+                    : $carry,
+            []);
+    }
+}

src/VerifierServer/Endpoints/VerifiedEndpoint.php

@@ -46,6 +46,7 @@
  */
 class VerifiedEndpoint implements EndpointInterface
 {
+    use HeaderParserTrait;
     public function __construct(private PersistentState &$state)
     {}
 
@@ -119,19 +120,12 @@ private function get(int|string &$response, array &$content_type, string &$body)
      */
     private function post(ServerRequestInterface|string $request, int|string &$response, array &$content_type, string &$body, bool $bypass_token = false): void
     {
-        if ($request instanceof ServerRequestInterface) {
-            $formData = $request->getHeaders();
-        } elseif (is_string($request)) {
-            $formData = [];
-            $lines = explode(PHP_EOL, $request);
-            foreach ($lines as $line) {
-                if (strpos($line, ':') !== false) {
-                    [$key, $value] = explode(':', $line, 2);
-                    $formData[trim($key)] = trim($value);
-                }
-            }
-        }
-        
+        $formData = $request instanceof ServerRequestInterface
+            ? $request->getHeaders()
+            : (is_string($request)
+                ? self::parseHeaders($request)
+                : []);
+
         $methodType = isset($formData['method']) 
             ? strtolower(trim(is_array($formData['method']) ? $formData['method'][0] : $formData['method']))
             : null;