暂存

vendor/illuminate/http/Middleware/ValidatePostSize.php

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+<?php
+
+namespace Illuminate\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Exceptions\PostTooLargeException;
+
+class ValidatePostSize
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     *
+     * @throws \Illuminate\Http\Exceptions\PostTooLargeException
+     */
+    public function handle($request, Closure $next)
+    {
+        $max = $this->getPostMaxSize();
+
+        if ($max > 0 && $request->server('CONTENT_LENGTH') > $max) {
+            throw new PostTooLargeException('The POST data is too large.');
+        }
+
+        return $next($request);
+    }
+
+    /**
+     * Determine the server 'post_max_size' as bytes.
+     *
+     * @return int
+     */
+    protected function getPostMaxSize()
+    {
+        if (is_numeric($postMaxSize = ini_get('post_max_size'))) {
+            return (int) $postMaxSize;
+        }
+
+        $metric = strtoupper(substr($postMaxSize, -1));
+
+        $postMaxSize = (int) $postMaxSize;
+
+        return match ($metric) {
+            'K' => $postMaxSize * 1024,
+            'M' => $postMaxSize * 1048576,
+            'G' => $postMaxSize * 1073741824,
+            default => $postMaxSize,
+        };
+    }
+}