{"id":24387,"date":"2024-11-21T14:25:32","date_gmt":"2024-11-21T06:25:32","guid":{"rendered":"https:\/\/fwq.ai\/blog\/24387\/"},"modified":"2024-11-21T14:25:32","modified_gmt":"2024-11-21T06:25:32","slug":"laravel%e4%b8%ad%e7%9a%84%e8%b7%a8%e7%ab%99%e8%84%9a%e6%9c%ac%e6%94%bb%e5%87%bb%ef%bc%88xss%ef%bc%89%e5%92%8c%e8%b7%a8%e7%ab%99%e8%af%b7%e6%b1%82%e4%bc%aa%e9%80%a0%ef%bc%88csrf%ef%bc%89%e9%98%b2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/24387\/","title":{"rendered":"Laravel\u4e2d\u7684\u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff08XSS\uff09\u548c\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\uff08CSRF\uff09\u9632\u62a4"},"content":{"rendered":"

\"Laravel\u4e2d\u7684\u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff08XSS\uff09\u548c\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\uff08CSRF\uff09\u9632\u62a4\u63d2\u56fe\"<\/p>\n

Laravel\u4e2d\u7684\u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff08XSS\uff09\u548c\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\uff08CSRF\uff09\u9632\u62a4<\/p>\n

\u968f\u7740\u4e92\u8054\u7f51\u7684\u53d1\u5c55\uff0c\u7f51\u7edc\u5b89\u5168\u95ee\u9898\u4e5f\u53d8\u5f97\u8d8a\u6765\u8d8a\u4e25\u5cfb\u3002\u5176\u4e2d\uff0c\u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff08Cross-Site Scripting\uff0cXSS\uff09\u548c\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\uff08Cross-Site Request Forgery\uff0cCSRF\uff09\u662f\u6700\u4e3a\u5e38\u89c1\u7684\u653b\u51fb\u624b\u6bb5\u4e4b\u4e00\u3002Laravel\u4f5c\u4e3a\u4e00\u6b3e\u6d41\u884c\u7684PHP\u5f00\u53d1\u6846\u67b6\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u591a\u79cd\u5b89\u5168\u673a\u5236\u6765\u9632\u62a4XSS\u548cCSRF\u653b\u51fb\u3002<\/p>\n

\u4e00\u3001\u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff08XSS\uff09<\/p>\n

XSS\u653b\u51fb\u662f\u6307\u653b\u51fb\u8005\u901a\u8fc7\u6ce8\u5165\u6076\u610f\u811a\u672c\u4ee3\u7801\u5230\u7f51\u9875\u4e2d\uff0c\u4f7f\u5f97\u7528\u6237\u5728\u8bbf\u95ee\u8be5\u7f51\u9875\u65f6\u6267\u884c\u6076\u610f\u4ee3\u7801\u3002XSS\u653b\u51fb\u53ef\u4ee5\u7a83\u53d6\u7528\u6237\u7684\u654f\u611f\u4fe1\u606f\u3001\u7be1\u6539\u7f51\u9875\u5185\u5bb9\u751a\u81f3\u76d7\u53d6\u7528\u6237\u8d26\u53f7\u3002<\/p>\n

\u5728Laravel\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u9632\u62a4XSS\u653b\u51fb\uff1a<\/p>\n

    \n
  1. \u4f7f\u7528Blade\u6a21\u677f\u5f15\u64ce\u81ea\u52a8\u8f6c\u4e49\u8f93\u51fa\u5185\u5bb9<\/li>\n<\/ol>\n

    Blade\u6a21\u677f\u5f15\u64ce\u662fLaravel\u7684\u4e00\u5927\u7279\u8272\uff0c\u5b83\u4f1a\u81ea\u52a8\u5bf9\u8f93\u51fa\u7684\u5185\u5bb9\u8fdb\u884c\u8f6c\u4e49\uff0c\u4ee5\u9632\u6b62XSS\u653b\u51fb\u3002\u4f8b\u5982\uff0c\u5f53\u6211\u4eec\u4f7f\u7528{{ $content }}\u8f93\u51fa\u5185\u5bb9\u5230\u89c6\u56fe\u4e2d\u65f6\uff0cLaravel\u4f1a\u81ea\u52a8\u5bf9$content\u8fdb\u884cHTML\u5b57\u7b26\u8f6c\u4e49\u3002<\/p>\n

    \u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

    <div>\n  {{ $content }}\n<\/div><\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \n
    1. \u4f7f\u7528{{!! $content !!}}\u624b\u52a8\u8f6c\u4e49\u8f93\u51fa\u5185\u5bb9<\/li>\n<\/ol>\n
      \u5982\u679c\u6211\u4eec\u9700\u8981\u8f93\u51fa\u7684\u5185\u5bb9\u5305\u542bHTML\u6807\u7b7e\uff0c\u53ef\u4ee5\u4f7f\u7528{{!! $content !!}}\u624b\u52a8\u5173\u95ed\u81ea\u52a8\u8f6c\u4e49\u529f\u80fd\u3002\u6ce8\u610f\uff0c\u5728\u4f7f\u7528{{!! $content !!}}\u8f93\u51fa\u5185\u5bb9\u65f6\uff0c\u9700\u8981\u786e\u4fdd$content\u7684\u5185\u5bb9\u662f\u53ef\u4fe1\u4efb\u7684\uff0c\u907f\u514d\u63d2\u5165\u6076\u610f\u4ee3\u7801\u3002<\/p>\n
      \u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
      <div>\n  {!! $content !!}\n<\/div><\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \n
      1. \u4f7f\u7528XSS\u8fc7\u6ee4\u5668<\/li>\n<\/ol>\n
        Laravel\u63d0\u4f9b\u4e86htmlspecialchars\u51fd\u6570\u6765\u8fc7\u6ee4\u7528\u6237\u7684\u8f93\u5165\uff0c\u53ef\u4ee5\u6709\u6548\u9632\u6b62XSS\u653b\u51fb\u3002\u6211\u4eec\u53ef\u4ee5\u5728\u5904\u7406\u7528\u6237\u8f93\u5165\u53c2\u6570\u65f6\uff0c\u4f7f\u7528htmlspecialchars\u51fd\u6570\u5bf9\u53c2\u6570\u8fdb\u884c\u8fc7\u6ee4\u3002<\/p>\n
        \u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
        $userInput = '<script>alert(\"XSS\u653b\u51fb\");<\/script>';\n$filteredInput = htmlspecialchars($userInput);\n\necho $filteredInput; \/\/ \u8f93\u51fa: <script>alert(\"XSS\u653b\u51fb\");<\/script><\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u4e8c\u3001\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\uff08CSRF\uff09<\/p>\n
        CSRF\u653b\u51fb\u662f\u6307\u653b\u51fb\u8005\u901a\u8fc7\u4f2a\u9020\u8bf7\u6c42\uff0c\u5229\u7528\u7528\u6237\u5728\u76ee\u6807\u7f51\u7ad9\u4e2d\u7684\u8eab\u4efd\u6743\u9650\u8fdb\u884c\u975e\u6cd5\u64cd\u4f5c\u3002\u8fd9\u79cd\u653b\u51fb\u53ef\u80fd\u9020\u6210\u7528\u6237\u8d26\u53f7\u88ab\u76d7\u3001\u7be1\u6539\u7528\u6237\u6570\u636e\u7b49\u5371\u5bb3\u3002<\/p>\n
        Laravel\u63d0\u4f9b\u4e86CSRF\u9632\u62a4\u4e2d\u95f4\u4ef6\u548c\u751f\u6210Token\u673a\u5236\u6765\u9632\u62a4CSRF\u653b\u51fb\u3002<\/p>\n
          \n
        1. \u4f7f\u7528CSRF\u4e2d\u95f4\u4ef6<\/li>\n<\/ol>\n
          Laravel\u9ed8\u8ba4\u4f1a\u4e3a\u6240\u6709POST\u3001PUT\u3001DELETE\u8bf7\u6c42\u9a8c\u8bc1CSRF Token\u3002\u6211\u4eec\u53ea\u9700\u8981\u5728\u524d\u7aef\u8868\u5355\u4e2d\u6dfb\u52a0@csrf\u6307\u4ee4\uff0cLaravel\u4f1a\u81ea\u52a8\u751f\u6210CSRF Token\u5e76\u9a8c\u8bc1\u8bf7\u6c42\u7684\u5408\u6cd5\u6027\u3002<\/p>\n
          \u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
          <\/pre>\n
            \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236    @csrf \/\/ \u5176\u4ed6\u8868\u5355\u5b57\u6bb5 \u63d0\u4ea4  <\/p>\n
            \n
          1. \u4f7f\u7528csrf_token\u51fd\u6570<\/li>\n<\/ol>\n
            \u9664\u4e86\u5728\u8868\u5355\u4e2d\u4f7f\u7528@csrf\u6307\u4ee4\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528csrf_token\u51fd\u6570\u751f\u6210CSRF Token\uff0c\u5e76\u81ea\u5df1\u624b\u52a8\u6dfb\u52a0\u5230\u8bf7\u6c42\u4e2d\u3002<\/p>\n
            \u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
            <\/pre>\n
              \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236     \/\/ \u5176\u4ed6\u8868\u5355\u5b57\u6bb5 \u63d0\u4ea4  <\/p>\n
              \n
            1. \u4f7f\u7528VerifyCsrfToken\u4e2d\u95f4\u4ef6<\/li>\n<\/ol>\n
              \u6211\u4eec\u53ef\u4ee5\u5728app\/Http\/Middleware\/VerifyCsrfToken.php\u4e2d\u6dfb\u52a0\u9700\u8981\u5ffd\u7565CSRF\u9a8c\u8bc1\u7684URL\u6216\u8005\u8def\u7531\u3002\u8fd9\u4e9bURL\u6216\u8def\u7531\u5c06\u4e0d\u4f1a\u7ecf\u8fc7CSRF Token\u9a8c\u8bc1\u3002<\/p>\n
              \u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
              class VerifyCsrfToken extends Middleware\n{\n    \/**\n     * \u9700\u8981\u6392\u9664CSRF Token\u9a8c\u8bc1\u7684URL\u6216\u8def\u7531\n     *\n     * @var array\n     *\/\n    protected $except = [\n        '\/api\/callback',\n        '\/api\/webhook',\n    ];\n}<\/pre>\n
                \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
              \u901a\u8fc7\u4ee5\u4e0a\u591a\u79cd\u65b9\u5f0f\uff0c\u5728Laravel\u5e94\u7528\u4e2d\u53ef\u4ee5\u6709\u6548\u9632\u62a4XSS\u653b\u51fb\u548cCSRF\u653b\u51fb\uff0c\u63d0\u9ad8\u5e94\u7528\u7684\u5b89\u5168\u6027\u3002\u540c\u65f6\uff0c\u5f00\u53d1\u4eba\u5458\u4e5f\u5e94\u52a0\u5f3a\u5bf9\u7f51\u7edc\u5b89\u5168\u7684\u5b66\u4e60\u548c\u610f\u8bc6\uff0c\u5b9a\u671f\u66f4\u65b0\u6846\u67b6\u548c\u4f9d\u8d56\u5e93\uff0c\u4fdd\u6301\u5e94\u7528\u7684\u5b89\u5168\u6027\u3002<\/p>\n
              \u4ee5\u4e0a\u5c31\u662fLaravel\u4e2d\u7684\u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff08XSS\uff09\u548c\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\uff08CSRF\uff09\u9632\u62a4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
              Laravel\u4e2d\u7684\u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff08XSS\uff09\u548c\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\uff08CSRF\uff09\u9632\u62a4 \u968f\u7740\u4e92\u8054\u7f51\u7684\u53d1\u5c55\uff0c\u7f51\u7edc\u5b89\u5168\u95ee\u9898\u4e5f\u53d8\u5f97\u8d8a\u6765\u8d8a\u4e25\u5cfb\u3002\u5176\u4e2d\uff0c\u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff08Cross-Site Scripting\uff0cXSS\uff09\u548c\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\uff08Cross-Site Request Forgery\uff0cCSRF\uff09\u662f\u6700\u4e3a\u5e38\u89c1\u7684\u653b\u51fb\u624b\u6bb5\u4e4b\u4e00\u3002Laravel\u4f5c\u4e3a\u4e00\u6b3e\u6d41\u884c\u7684PHP\u5f00\u53d1\u6846\u67b6\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u591a\u79cd\u5b89\u5168\u673a\u5236\u6765\u9632\u62a4XSS\u548cCSRF\u653b\u51fb\u3002 \u4e00\u3001\u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff08XSS\uff09 XSS\u653b\u51fb\u662f\u6307\u653b\u51fb\u8005\u901a\u8fc7\u6ce8\u5165\u6076\u610f\u811a\u672c\u4ee3\u7801\u5230\u7f51\u9875\u4e2d\uff0c\u4f7f\u5f97\u7528\u6237\u5728\u8bbf\u95ee\u8be5\u7f51\u9875\u65f6\u6267\u884c\u6076\u610f\u4ee3\u7801\u3002XSS\u653b\u51fb\u53ef\u4ee5\u7a83\u53d6\u7528\u6237\u7684\u654f\u611f\u4fe1\u606f\u3001\u7be1\u6539\u7f51\u9875\u5185\u5bb9\u751a\u81f3\u76d7\u53d6\u7528\u6237\u8d26\u53f7\u3002 \u5728Laravel\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u9632\u62a4XSS\u653b\u51fb\uff1a \u4f7f\u7528Blade\u6a21\u677f\u5f15\u64ce\u81ea\u52a8\u8f6c\u4e49\u8f93\u51fa\u5185\u5bb9 Blade\u6a21\u677f\u5f15\u64ce\u662fLaravel\u7684\u4e00\u5927\u7279\u8272\uff0c\u5b83\u4f1a\u81ea\u52a8\u5bf9\u8f93\u51fa\u7684\u5185\u5bb9\u8fdb\u884c\u8f6c\u4e49\uff0c\u4ee5\u9632\u6b62XSS\u653b\u51fb\u3002\u4f8b\u5982\uff0c\u5f53\u6211\u4eec\u4f7f\u7528{{ $content }}\u8f93\u51fa\u5185\u5bb9\u5230\u89c6\u56fe\u4e2d\u65f6\uff0cLaravel\u4f1a\u81ea\u52a8\u5bf9$content\u8fdb\u884cHTML\u5b57\u7b26\u8f6c\u4e49\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a <div> {{ $content }} <\/div> \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528{{!! 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