暂存

2026-05-01 23:40:14 +08:00
commit b8f599a617
3867 changed files with 478663 additions and 0 deletions
@@ -0,0 +1,65 @@
+<?php
+
+namespace Illuminate\Http\Middleware;
+
+use Closure;
+
+class PrefersJsonResponses
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        $accept = $request->headers->get('Accept');
+
+        if ($this->acceptHeaderIsBroad($accept)) {
+            if ($accept !== null) {
+                $request->headers->set('X-Original-Accept', $accept);
+            }
+
+            $request->headers->set('Accept', 'application/json');
+        }
+
+        return $next($request);
+    }
+
+    /**
+     * Determine if the given "Accept" header value is broad enough to be treated as JSON.
+     *
+     * The header is broad when it's missing or every media-type listed is wildcard ("*\/*" or "application/*").
+     *
+     * @param  string|null  $accept
+     * @return bool
+     */
+    protected function acceptHeaderIsBroad($accept)
+    {
+        if ($accept === null || trim($accept) === '') {
+            return true;
+        }
+
+        foreach (explode(',', $accept) as $value) {
+            $value = strtolower(trim($value));
+
+            if ($value === '') {
+                continue;
+            }
+
+            $pos = strpos($value, ';');
+
+            if ($pos !== false) {
+                $value = trim(substr($value, 0, $pos));
+            }
+
+            if (! in_array($value, ['*/*', 'application/*'], true)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}