{"id":1104,"date":"2025-08-31T07:41:17","date_gmt":"2025-08-31T07:41:17","guid":{"rendered":"http:\/\/www.nokws.top\/?p=1104"},"modified":"2025-08-31T07:41:18","modified_gmt":"2025-08-31T07:41:18","slug":"javaneicunmaer-filter","status":"publish","type":"post","link":"http:\/\/www.nokws.top\/index.php\/2025\/08\/31\/javaneicunmaer-filter\/","title":{"rendered":"Java\u5185\u5b58\u7801\uff08\u4e8c\uff09–Filter"},"content":{"rendered":"\n

0x01 Filter\u5185\u5b58\u7801<\/h2>\n\n\n\n

Filter\u5185\u5b58\u7801\u662f\u901a\u8fc7\u52a8\u6001\u6ce8\u518cFilter\u5b9e\u73b0\u5c06\u8bf7\u6c42\u62e6\u622a\uff0c\u5b9e\u73b0\u7684\u76ee\u6807\u4e3b\u8981\u5c31\u662f\u52a8\u6001\u6ce8\u518c\u4e00\u4e2afilter\u3002<\/p>\n\n\n\n

0x02 \u5b9e\u73b0\u6b65\u9aa4<\/h2>\n\n\n\n

1\u3001\u52a8\u6001\u6ce8\u518cfilter<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u6839\u636e\u5b98\u65b9\u6587\u6863<\/a>#4.4 \u663e\u793aaddfilter<\/code>\u7b49\u65b9\u6cd5\u4f7f\u7528\u65f6\u9700\u8981\u518d\u7a0b\u5e8f\u521d\u59cb\u5316\uff0c\u7531\u6b64\u5f15\u51fa\u7b2c\u4e8c\u4e2a\u95ee\u9898\uff0c\u5982\u4f55\u5728\u72b6\u6001\u4e3a\u8fd0\u884c\u72b6\u6001\u7684\u65f6\u5019\u6267\u884caddfilter<\/code>\u3002<\/p>\n\n\n\n

2\u3001\u89e3\u51b3\u8fd0\u884c\u72b6\u6001\u9650\u5236<\/p>\n\n\n\n

\u4e24\u4e2a\u601d\u8def\uff1a1\u3001\u4fee\u6539\u5f53\u524d\u8fd0\u884c\u72b6\u6001 2\u3001\u7ed5\u8fc7\u8fd0\u884c\u72b6\u6001\u68c0\u6d4b<\/p>\n\n\n\n

1\u3001\u4fee\u6539\u5f53\u524d\u8fd0\u884c\u72b6\u6001 stateField.set<\/code>
\u6b64\u5904\u6316\u5751 Shiro\u6ce8\u5165\u56de\u663e\u5185\u5b58\u9a6c-\u5148\u77e5\u793e\u533a<\/a>\uff0c\u7ed3\u5408\u53cd\u5e8f\u5217\u5316\u6ce8\u5165tomcat\u5185\u5b58\u9a6c – FreeBuf\u7f51\u7edc\u5b89\u5168\u884c\u4e1a\u95e8\u6237<\/a><\/p>\n\n\n\n

2\u3001\u7ed5\u8fc7\u8fd0\u884c\u68c0\u6d4b
org\/apache\/catalina\/core\/ApplicationContext.java<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u5b9e\u73b0filter<\/code>\u5185\u5bb9\u5b8c\u6210\u5177\u4f53\u521b\u5efa<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u8fd9\u5c31\u662f\u4e0a\u7bc7\u6587\u7ae0\u7684\u8bbe\u7f6eFilter<\/code>\u5b9e\u4f8b<\/p>\n\n\n\n

3\u3001\u5982\u4f55\u8bbf\u95ee\u5230\uff1f\u901a\u8fc7\u5728filterMap<\/code>\u4e2d\u6dfb\u52a0<\/p>\n\n\n\n

addFilter<\/code>\u65b9\u6cd5\u6700\u540e\u8fd4\u56de\u4e86\u4e00\u4e2aApplicationFilterRegistration<\/code>\u5bf9\u8c61<\/p>\n\n\n\n

org\/apache\/catalina\/core\/ApplicationFilterRegistration.java<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u5728filterMap<\/code>\u4e2d\u6dfb\u52a0\u5bf9\u5e94\u7684\u6620\u5c04\u3002\u4e5f\u5c31\u662f\u4e0a\u7bc7\u6587\u7ae0\u4e2d\u7684<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u540c\u65f6\uff0c\u901a\u8fc7addFilterMapBefore<\/code>\u5c06\u4f18\u5148\u7ea7\u63d0\u5230\u6700\u9ad8\u3002<\/p>\n\n\n\n

\u8fd9\u91cc\u90fd\u53ea\u662f\u5b8c\u6210\u4e86Filter\u7684\u6ce8\u518c<\/p>\n\n\n\n

4\u3001Filter\u542f\u52a8<\/p>\n\n\n\n

\u6839\u636eorg\/apache\/catalina\/core\/StandardContext.java\u4e2d\u542f\u52a8Filer\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

0x03 \u603b\u7ed3<\/h2>\n\n\n\n

\u5230\u8fd9\u91cc\uff0c\u4e0a\u7bc7\u6587\u7ae0\u7684\u6838\u5fc3\u5185\u5bb9\uff0c\u52a8\u6001\u6ce8\u518cfilter\u5c31\u5b8c\u6210\u4e86\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

0x04 \u95ee\u9898<\/h2>\n\n\n\n

1\u3001\u6709\u4e9b\u5185\u5bb9\u8fd8\u662f\u4e0d\u719f\u6089\uff0c\u6bd4\u5982\u6700\u540e\u7684StandardContext\u3002
2\u3001\u901a\u8fc7\u4fee\u6539\u72b6\u6001\u7684\u65b9\u6cd5\u662f\u5426\u53ef\u884c\u3002<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

0x01 Filter\u5185\u5b58\u7801 Filter\u5185\u5b58\u7801\u662f\u901a\u8fc7\u52a8\u6001\u6ce8\u518cFilter\u5b9e\u73b0\u5c06\u8bf7\u6c42\u62e6\u622a\uff0c\u5b9e\u73b0\u7684\u76ee\u6807\u4e3b\u8981\u5c31\u662f\u52a8 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1104","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts\/1104","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/comments?post=1104"}],"version-history":[{"count":1,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts\/1104\/revisions"}],"predecessor-version":[{"id":1114,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts\/1104\/revisions\/1114"}],"wp:attachment":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/media?parent=1104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/categories?post=1104"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/tags?post=1104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}