{"id":207916,"date":"2025-07-08T15:49:11","date_gmt":"2025-07-08T07:49:11","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207916\/"},"modified":"2025-07-08T15:49:11","modified_gmt":"2025-07-08T07:49:11","slug":"%e5%9c%a8go-gin%e4%b8%ad%e5%ae%9e%e7%8e%b0ip%e9%99%90%e5%88%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207916\/","title":{"rendered":"\u5728Go gin\u4e2d\u5b9e\u73b0IP\u9650\u5236"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5728Go gin\u4e2d\u5b9e\u73b0IP\u9650\u5236<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-26 20:03:35<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5bf9\u4e8e\u4e00\u4e2aGolang\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300a\u5728Go gin\u4e2d\u5b9e\u73b0IP\u9650\u5236\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n

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\n <\/p>\n

\u6211\u6b63\u5728\u8bbe\u7f6e\u4e00\u4e2a\u5c0f\u578b\u6f14\u793a\u5e94\u7528\u7a0b\u5e8f\uff0c\u76ee\u524d\u53ea\u80fd\u4ece\u6211\u7684\u5bb6\u5ead IP \u5730\u5740\u8bbf\u95ee\uff0c\u4e5f\u8bb8\u6211\u4f1a\u4e0e\u4e00\u5c0f\u90e8\u5206\u6280\u672f\u4eba\u5458\u8fdb\u884c\u534f\u8c03\u548c\u5171\u4eab\u3002 <\/p>\n

\u6211\u67e5\u770b\u4e86\u8fd9\u91cc\u7684\u81ea\u8ff0\u6587\u4ef6\uff0c\u4f46\u627e\u4e0d\u5230\uff1a https:\/\/github.com\/gin-gonic\/gin<\/p>\n

—\u5173\u4e8e\u5982\u4f55\u5c06\u5e94\u7528\u7a0b\u5e8f\u7684\u8bbf\u95ee\u9650\u5236\u4e3a gin \u4e2d\u7684\u7279\u5b9a IP \u5730\u5740\u7684\u89c4\u8303\u3001\u6700\u5c0f\u793a\u4f8b\u662f\u4ec0\u4e48\uff1f<\/p>\n

\uff08\u53e6\u5916\uff0c\u8fd9\u5728 2018 \u5e74\u662f\u4e00\u4e2a\u7279\u522b\u4e0d\u5b89\u5168\u7684\u60f3\u6cd5\uff0c\u6709\u4ec0\u4e48\u7406\u7531\u5417\uff1f\uff09<\/p>\n

<\/p>\n

\u89e3\u51b3\u65b9\u6848<\/h2>\n

<\/p>\n

\u5728\u56de\u7b54\u60a8\u7684\u95ee\u9898\u4e4b\u524d\uff0c\u6211\u60f3\u8bf4\u7684\u662f\uff0c\u4f7f\u7528\u9632\u706b\u5899\u89c4\u5219\u800c\u4e0d\u662f\u7a0b\u5e8f\u672c\u8eab\u6765\u9650\u5236\u5bf9\u5e94\u7528\u7a0b\u5e8f\u7684\u8bbf\u95ee\u53ef\u80fd\u66f4\u5b9e\u9645\uff0c\u4f46\u6211\u79bb\u9898\u4e86\u3002<\/p>\n

\u4e3a\u4e86\u56de\u7b54\u4f60\u7684\u95ee\u9898\uff0c\u5728\u67e5\u770b\u4e86 gin \u540e\uff0c\u6211\u53d1\u73b0 \u5305\u542b\u4e00\u4e2a clientip()<\/code> \u65b9\u6cd5\uff1a<\/p>\n

\u5b9e\u73b0\u4e86\u5c3d\u529b\u800c\u4e3a\u7684\u7b97\u6cd5\u6765\u8fd4\u56de\u771f\u5b9e\u7684\u5ba2\u6237\u7aefip\uff0c\u5b83\u89e3\u6790x-real-ip\u548cx-forwarded-for\uff0c\u4ee5\u4fbf\u4e0e\u53cd\u5411\u4ee3\u7406\uff08\u4f8b\u5982nginx\u6216haproxy\uff09\u6b63\u5e38\u5de5\u4f5c\u3002\u5728 x-real-ip \u4e4b\u524d\u4f7f\u7528 x-forwarded-for\uff0c\u56e0\u4e3a nginx \u4f7f\u7528 x-real-ip \u548c\u4ee3\u7406\u7684 ip\u3002<\/p>\n

\u56e0\u6b64\uff0c\u5982\u679c\u60a8\u6253\u7b97\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u8fdb\u884c ip \u8fc7\u6ee4\uff0c\u5219\u53ef\u4ee5\u6839\u636e\u8be5\u65b9\u6cd5\u8fd4\u56de\u7684\u503c\u8fdb\u884c\u8fc7\u6ee4\u3002<\/p>\n

\u4f7f\u7528 github \u9875\u9762\u4e0a\u7ed9\u51fa\u7684\u57fa\u672c\u793a\u4f8b\uff1a<\/p>\n

package main\n\nimport \"github.com\/gin-gonic\/gin\"\n\nvar Whitelist []string = []string{\"1.2.3.4\"}\n\nfunc main() {\n    r := gin.Default()\n    r.GET(\"\/ping\", func(c *gin.Context) {\n        whitelisted := false\n        for _, v := range Whitelist {\n            if v == c.ClientIP() {\n                whitelisted = true\n            }\n        }\n        if whitelisted {\n            c.JSON(200, gin.H{\n                \"message\": \"pong\",\n            })\n        } else {\n            c.JSON(403, gin.H{})\n        }\n    })\n    r.Run() \/\/ listen and serve on 0.0.0.0:8080\n}<\/pre>\n
\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5728Go gin\u4e2d\u5b9e\u73b0IP\u9650\u5236\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591aGolang\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207916","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207916","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207916"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207916\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207916"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207916"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207916"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}