{"id":3777,"date":"2025-06-28T12:49:05","date_gmt":"2025-06-28T04:49:05","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=3777"},"modified":"2025-06-28T13:19:26","modified_gmt":"2025-06-28T05:19:26","slug":"%e5%a6%82%e4%bd%95%e9%98%b2%e6%ad%a2php%e4%b8%ad%e7%9a%84%e8%b7%a8%e7%ab%99%e7%82%b9%e4%bc%aa%e9%80%a0%e4%bc%aa%e9%80%a0%ef%bc%88csrf%ef%bc%89%e6%94%bb%e5%87%bb%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/06\/28\/%e5%a6%82%e4%bd%95%e9%98%b2%e6%ad%a2php%e4%b8%ad%e7%9a%84%e8%b7%a8%e7%ab%99%e7%82%b9%e4%bc%aa%e9%80%a0%e4%bc%aa%e9%80%a0%ef%bc%88csrf%ef%bc%89%e6%94%bb%e5%87%bb%ef%bc%9f\/","title":{"rendered":"\u5982\u4f55\u9632\u6b62PHP\u4e2d\u7684\u8de8\u7ad9\u70b9\u4f2a\u9020\u4f2a\u9020\uff08CSRF\uff09\u653b\u51fb\uff1f"},"content":{"rendered":"\n<p>\u9632\u6b62 PHP \u4e2d\u7684\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\uff08CSRF, Cross-Site Request Forgery\uff09\u653b\u51fb\uff0c\u662f\u4fdd\u969c Web \u5e94\u7528\u5b89\u5168\u6027\u7684\u91cd\u8981\u63aa\u65bd\u4e4b\u4e00\u3002\u4ee5\u4e0b\u9002\u7528\u4e8e\u4f60\u5728\u4f7f\u7528 PHP \u6784\u5efa\u767b\u5f55\u3001\u8868\u5355\u3001\u6570\u636e\u4fee\u6539\u7b49\u529f\u80fd\u65f6\u6709\u6548\u9632\u5fa1 CSRF \u653b\u51fb\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662f CSRF \u653b\u51fb\uff1f<\/h2>\n\n\n\n<p><strong>CSRF \u662f\u4e00\u79cd\u5229\u7528\u7528\u6237\u767b\u5f55\u72b6\u6001\uff0c\u8bf1\u5bfc\u5176\u5728\u4e0d\u77e5\u60c5\u60c5\u51b5\u4e0b\u6267\u884c\u6076\u610f\u64cd\u4f5c\u7684\u653b\u51fb\u3002<\/strong><\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;img src=\"http:\/\/example.com\/delete-user.php?id=123\"&gt; &lt;!-- \u7528\u6237\u5df2\u767b\u5f55\uff0c\u88ab\u8bf1\u5bfc\u70b9\u51fb --&gt;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u9632\u5fa1 CSRF \u7684\u901a\u7528\u601d\u8def<\/h2>\n\n\n\n<p>\u6838\u5fc3\u539f\u5219\u662f\uff1a<strong>\u9a8c\u8bc1\u6bcf\u4e2a\u654f\u611f\u8bf7\u6c42\u662f\u5426\u6765\u81ea\u201c\u53ef\u4fe1\u9875\u9762\u201d<\/strong>\uff0c\u4e3b\u8981\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528 CSRF Token\uff08\u63a8\u8350\u505a\u6cd5\uff09<\/li>\n\n\n\n<li>\u8bbe\u7f6e Referer \u9a8c\u8bc1\uff08\u8f85\u52a9\u9632\u5fa1\uff09<\/li>\n\n\n\n<li>\u4f7f\u7528 SameSite Cookie \u5c5e\u6027<\/li>\n\n\n\n<li>\u4f7f\u7528\u53cc\u91cd Cookie \u9a8c\u8bc1\u673a\u5236\uff08\u66f4\u9ad8\u7ea7\uff09<\/li>\n\n\n\n<li>\u5bf9\u8868\u5355\/\u63a5\u53e3\u505a\u767d\u540d\u5355\u8fc7\u6ee4<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b9\u6cd5 1\uff1a\u4f7f\u7528 CSRF Token\uff08\u6700\u63a8\u8350\uff09<\/h2>\n\n\n\n<p>\u6bcf\u6b21\u751f\u6210\u4e00\u4e2a\u968f\u673a\u7684\u4ee4\u724c\uff08token\uff09\uff0c\u4fdd\u5b58\u5728\u7528\u6237 Session\uff0c\u5e76\u63d2\u5165\u8868\u5355\u4e2d\u3002\u63d0\u4ea4\u65f6\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1\ufe0f\u20e3 \u751f\u6210 CSRF Token\uff08\u4fdd\u5b58\u5230 Session\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>session_start();\n\nif (empty($_SESSION&#91;'csrf_token'])) {\n    $_SESSION&#91;'csrf_token'] = bin2hex(random_bytes(32));\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2\ufe0f\u20e3 \u8868\u5355\u4e2d\u63d2\u5165\u9690\u85cf\u5b57\u6bb5<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;form method=\"POST\" action=\"update-profile.php\"&gt;\n    &lt;input type=\"hidden\" name=\"csrf_token\" value=\"&lt;?php echo $_SESSION&#91;'csrf_token']; ?&gt;\"&gt;\n    &lt;input type=\"text\" name=\"name\"&gt;\n    &lt;input type=\"submit\" value=\"\u66f4\u65b0\"&gt;\n&lt;\/form&gt;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3\ufe0f\u20e3 \u63d0\u4ea4\u540e\u9a8c\u8bc1 Token<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>session_start();\n\nif ($_SERVER&#91;'REQUEST_METHOD'] === 'POST') {\n    if (!hash_equals($_SESSION&#91;'csrf_token'], $_POST&#91;'csrf_token'])) {\n        die(\"\u26a0\ufe0f CSRF \u9a8c\u8bc1\u5931\u8d25\uff01\");\n    }\n\n    \/\/ \u5b89\u5168\u5904\u7406\u4e1a\u52a1\u903b\u8f91\n}<\/code><\/pre>\n\n\n\n<p>\ud83d\udccc <code>hash_equals<\/code> \u53ef\u9632\u6b62\u65f6\u5e8f\u653b\u51fb\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b9\u6cd5 2\uff1a\u68c0\u67e5 HTTP Referer\uff08\u8f85\u52a9\u65b9\u6cd5\uff09<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>$referer = $_SERVER&#91;'HTTP_REFERER'] ?? '';\nif (strpos($referer, 'https:\/\/yourdomain.com') !== 0) {\n    die(\"\u26a0\ufe0f \u975e\u6cd5\u8bf7\u6c42\uff01\");\n}<\/code><\/pre>\n\n\n\n<p>\u26a0\ufe0f \u7f3a\u70b9\uff1a\u90e8\u5206\u6d4f\u89c8\u5668\u53ef\u80fd\u4e0d\u53d1\u9001 Referer\uff0c\u6216\u88ab\u7be1\u6539\uff0c\u56e0\u6b64 <strong>\u53ea\u80fd\u4f5c\u4e3a\u8f85\u52a9<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b9\u6cd5 3\uff1a\u8bbe\u7f6e SameSite Cookie \u5c5e\u6027\uff08\u73b0\u4ee3\u6d4f\u89c8\u5668\u652f\u6301\uff09<\/h2>\n\n\n\n<p>\u5728\u8bbe\u7f6e session cookie \u65f6\u6dfb\u52a0 <code>SameSite<\/code> \u9650\u5236\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>session_set_cookie_params(&#91;\n    'lifetime' =&gt; 0,\n    'path' =&gt; '\/',\n    'domain' =&gt; 'yourdomain.com',\n    'secure' =&gt; true,\n    'httponly' =&gt; true,\n    'samesite' =&gt; 'Strict' \/\/ \u6216 Lax\n]);\nsession_start();<\/code><\/pre>\n\n\n\n<p>\ud83d\udccc <code>Strict<\/code> \u6700\u5b89\u5168\uff0c\u4f46\u53ef\u80fd\u5bfc\u81f4\u8de8\u7ad9\u8df3\u8f6c\u5931\u8d25\uff1b<code>Lax<\/code> \u8f83\u5bbd\u677e\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b9\u6cd5 4\uff1a\u53cc\u91cd Cookie \u9a8c\u8bc1\u673a\u5236\uff08Double Submit Cookie\uff09<\/h2>\n\n\n\n<p>\u9002\u7528\u4e8e <strong>\u65e0 Session \u7684 REST API \/ SPA<\/strong> \u573a\u666f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2a CSRF Token Cookie<\/li>\n\n\n\n<li>\u5ba2\u6237\u7aef\u6bcf\u6b21\u8bf7\u6c42\u65f6\uff0c\u5728 header \u6216 body \u4e2d\u56de\u4f20 token<\/li>\n\n\n\n<li>\u670d\u52a1\u5668\u9a8c\u8bc1 cookie \u4e0e body \u4e2d token \u4e00\u81f4<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b9\u6cd5 5\uff1a\u4f7f\u7528 Web \u6846\u67b6\u5185\u5efa CSRF \u9632\u62a4<\/h2>\n\n\n\n<p>\u5f88\u591a PHP \u6846\u67b6\u5df2\u7ecf\u9ed8\u8ba4\u652f\u6301\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6846\u67b6<\/th><th>\u9632\u62a4\u673a\u5236<\/th><\/tr><\/thead><tbody><tr><td>Laravel<\/td><td>\u81ea\u52a8\u4e3a\u6240\u6709 POST\u3001PUT\u3001PATCH\u3001DELETE \u8bf7\u6c42\u9a8c\u8bc1 CSRF<\/td><\/tr><tr><td>Symfony<\/td><td>\u4f7f\u7528 CSRF Token Manager<\/td><\/tr><tr><td>Yii2<\/td><td>\u81ea\u52a8\u5f00\u542f\u8868\u5355 CSRF \u9a8c\u8bc1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Laravel \u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;form method=\"POST\" action=\"\/profile\"&gt;\n    @csrf\n&lt;\/form&gt;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9e\u6218\u68c0\u6d4b\uff1a\u5e38\u89c1 CSRF \u653b\u51fb\u9875\u9762\u5982\u4f55\u4f2a\u9020\u8bf7\u6c42<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;form action=\"http:\/\/victim-site.com\/update-password.php\" method=\"POST\"&gt;\n    &lt;input type=\"hidden\" name=\"password\" value=\"123456\"&gt;\n    &lt;input type=\"submit\" value=\"Click me\"&gt;\n&lt;\/form&gt;<\/code><\/pre>\n\n\n\n<p>\u2705 \u9632\u5fa1\u6210\u529f\u7684\u8868\u73b0\uff1a\u670d\u52a1\u5668\u53d1\u73b0 CSRF Token \u4e0d\u5339\u914d\uff0c\u76f4\u63a5\u62d2\u7edd\u8bf7\u6c42\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcda \u6743\u5a01\u8d44\u6599\u4e0e\u6587\u6863\u94fe\u63a5<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/owasp.org\/www-community\/attacks\/csrf\">OWASP CSRF \u5b98\u65b9\u6587\u6863<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.php.net\/manual\/en\/function.session-set-cookie-params.php\">PHP.net session_set_cookie_params \u6587\u6863<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/laravel.com\/docs\/10.x\/csrf\">Laravel CSRF Protection<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/symfony.com\/doc\/current\/security\/csrf.html\">Symfony CSRF Protection<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u603b\u7ed3\u9632\u5fa1\u5efa\u8bae<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u65b9\u6cd5<\/th><th>\u5b89\u5168\u6027<\/th><th>\u63a8\u8350\u7b49\u7ea7<\/th><\/tr><\/thead><tbody><tr><td>CSRF Token + Session<\/td><td>\u2b50\u2b50\u2b50\u2b50\u2b50<\/td><td>\u2705 \u63a8\u8350<\/td><\/tr><tr><td>CSRF Token + Double Cookie<\/td><td>\u2b50\u2b50\u2b50\u2b50<\/td><td>REST API \u573a\u666f<\/td><\/tr><tr><td>SameSite Cookie<\/td><td>\u2b50\u2b50\u2b50<\/td><td>\u8f85\u52a9<\/td><\/tr><tr><td>Referer \u9a8c\u8bc1<\/td><td>\u2b50\u2b50<\/td><td>\u4e0d\u53ef\u9760\uff0c\u4ec5\u53c2\u8003<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\uff0c\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9632\u6b62 PHP \u4e2d\u7684\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\uff08CSRF, Cross-Site Request Forgery\uff09\u653b\u51fb\uff0c\u662f\u4fdd\u969c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3778,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61],"tags":[],"class_list":["post-3777","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php-"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3777","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=3777"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3777\/revisions"}],"predecessor-version":[{"id":3779,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3777\/revisions\/3779"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/3778"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=3777"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=3777"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=3777"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}