k8s ingress 转发会把 encode 后的 uri 还原成转义前的字符串 - V2EX
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k8s ingress 转发会把 encode 后的 uri 还原成转义前的字符串

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  •   dhq 87 天前 1784 次点击
    这是一个创建于 87 天前的主题,其中的信息可能已经有所发展或是发生改变。

    我有一个 ingress 转发的配置,就是把匹配/dhq 前缀的请求,转发到后端服务, 访问 /dhq/api/v1/%40aa

    ingress 转发时会直接 把它还原成 /api/v1/@aa

    但我就是不想给他还原,大佬们,有啥经验建议么,目前试了几个 ai 给的答案都不奏效

    apiVersion: networking.k8s.io/v1 kind: Ingress metadata: annotations: nginx.ingress.kubernetes.io/proxy-body-size: 200m nginx.ingress.kubernetes.io/proxy-next-upstream-timeout: "60" nginx.ingress.kubernetes.io/proxy-read-timeout: "360" nginx.ingress.kubernetes.io/rewrite-target: /$2 nginx.ingress.kubernetes.io/configuration-snippet: | proxy_set_header Accept-Encoding ""; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Forwarded-Proto $scheme; nginx.ingress.kubernetes.io/use-regex: "true" nginx.ingress.kubernetes.io/ssl-redirect: "false" nginx.ingress.kubernetes.io/enable-rewrite-log: "true" name: dhq-ingress namespace: monitor spec: ingressClassName: idataexplorer rules: - http: paths: - backend: service: name: dhq-service port: number: 80 path: /dhq(/|$)(.*) pathType: ImplementationSpecific 
    第 1 条附言    86 天前
    这个是 ingress 把 uri 还原的具体日志
    原始 uri 是 /dhq/mos/aa%40aa.sh?tagging

    ```
    2025/09/19 07:00:15 [notice] 18054#18054: *46865544 "(?i)/dhq(/|$)(.*)" matches "/dhq/mos/[email protected]", client: 10.10.241.64, server: _, request: "GET /dhq/mos/aa%40aa.sh?tagging HTTP/1.1", host: "20.20.45.26", referrer: "http://20.20.45.26:6690/"
    2025/09/19 07:00:15 [notice] 18054#18054: *46865544 rewritten data: "/mos/[email protected]", args: "tagging", client: 10.10.241.64, server: _, request: "GET /dhq/mos/aa%40aa.sh?tagging HTTP/1.1", host: "20.20.45.26", referrer: "http://20.20.45.26:6690/"
    10.10.241.64 - - [19/Sep/2025:07:00:15 +0000] "GET /dhq/mos/aa%40aa.sh?tagging HTTP/1.1" 403 239 "http://20.20.45.26:6690/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36" 497 0.002 [monitor-dhq-service-80] [] 20.20.45.27:8002 239 0.002 403 9e7d3ad78c5b90d6473b14d1ae75423b
    ```
    8 条回复    2025-09-22 10:16:34 +08:00
    illl
        1
    illl  
       87 天前 via iPhone
    请求时双重编码?
    xwjlucky
        2
    xwjlucky  
       87 天前
    mark 一下 感觉这种双重编码解码是个很头疼的问题
    dhq
        3
    dhq  
    OP
       87 天前
    @illl 客户端请求的时候会执行一个 urlencode ,像 js 本身有这样的函数,但是 ingress 在拿到编码后的 uri 的时候,会自动给你把 encode 过的字符串给你 decode 还原回去,但我不期望它帮我做这个事情,
    feedcode
        4
    feedcode  
       87 天前
    这个不是 ingress 的问题!
    你只是恰巧用了 nginx ,解决方法
    https://my.f5.com/manage/s/article/K000148648
    试试在 configuration-snippet 再加一个
    rewrite ^ $request_uri;
    dhq
        5
    dhq  
    OP
       86 天前
    @feedcode 昨天又尝试过,但加了这个,它会把 /xxx?aa=bb 修改为 /xxx%3Faa=bb
    ```
    apiVersion: networking.k8s.io/v1
    kind: Ingress
    metadata:
    annotations:
    nginx.ingress.kubernetes.io/proxy-body-size: 200m
    nginx.ingress.kubernetes.io/proxy-next-upstream-timeout: "60"
    nginx.ingress.kubernetes.io/proxy-read-timeout: "360"
    # 移除 rewrite-target 和 use-regex 注解
    # nginx.ingress.kubernetes.io/rewrite-target: /$2
    # nginx.ingress.kubernetes.io/use-regex: "true"
    nginx.ingress.kubernetes.io/ssl-redirect: "false"
    nginx.ingress.kubernetes.io/enable-rewrite-log: "true"
    nginx.ingress.kubernetes.io/configuration-snippet: |
    # 新增的重写逻辑
    # 1. 将当前 URI 重置为原始的、未解码的 URI
    # rewrite ^ $request_uri;

    # 2. 对原始 URI 进行重写,剥离/dhq/前缀
    # 'break'标志表示停止处理后续的 rewrite 规则,并进行内部转发
    rewrite ^/dhq/(.*)$ /$1 break;
    ```
    ca2oh4
        6
    ca2oh4  
       86 天前
    七层的网络真复杂
    feedcode
        7
    feedcode  
       86 天前
    不要 rewrite query parameter

    nginx.ingress.kubernetes.io/configuration-snippet: |
    if ($request_uri ~ "/dhq/([^\?]*)") {
    set $path1 $1;
    rewrite ^/dhq/ /$path1 break;
    }
    dhq
        8
    dhq  
    OP
       83 天前
    @feedcode 没有作用,我 ai 的回答是,nginx 的 rewrite 本身就是会做 uri 的 decode 这一步的,貌似没法避免
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