Cookie value extractor plugin for traefik

Takes specified cookie value (from Cookie header) and put it in a header you want. You can declare prefix for value, which will be added to cookie value. If there is no such cookie, the header value will not be set

Configuration

Fields meaning

• cookieName: name of cookie, its value will be extracted. No default, mandatory field
• headerNameForCookieValue: name of header, in which will be put cookie value. Default is 'Authorization'
• cookieValuePrefix: string prefix, that will be added to cookie value. Default is 'Bearer '
• logLevel: warn, info or debug. Default is info

Static config examples

• cli as local plugin

--experimental.localplugins.extractcookie=true
--experimental.localplugins.extractcookie.modulename=github.com/v-electrolux/extractcookie

• envs as local plugin

TRAEFIK_EXPERIMENTAL_LOCALPLUGINS_extractcookie=true
TRAEFIK_EXPERIMENTAL_LOCALPLUGINS_extractcookie_MODULENAME=github.com/v-electrolux/extractcookie

• yaml as local plugin

experimental:
  localplugins:
     extractcookie:
      modulename: github.com/v-electrolux/extractcookie

• toml as local plugin

[experimental.localplugins.extractcookie]
    modulename = "github.com/v-electrolux/extractcookie"

Dynamic config examples

• docker labels

traefik.http.middlewares.extractCookieMiddleware.plugin.extractcookie.cookieName=test_access_token
traefik.http.middlewares.extractCookieMiddleware.plugin.extractcookie.headerNameForCookieValue=Authorization
traefik.http.middlewares.extractCookieMiddleware.plugin.extractcookie.cookieValuePrefix=Bearer 
traefik.http.middlewares.extractCookieMiddleware.plugin.extractcookie.logLevel=warn
traefik.http.routers.extractCookieRouter.middlewares=extractCookieMiddleware

• yaml

http:

  routers:
    extractCookieRouter:
      rule: host(`demo.localhost`)
      service: backend
      entryPoints:
        - web
      middlewares:
        - extractCookieMiddleware

  services:
    backend:
      loadBalancer:
        servers:
          - url: 127.0.0.1:5000

  middlewares:
    extractCookieMiddleware:
      plugin:
        extractcookie:
          cookieName: test_access_token
          headerNameForCookieValue: Authorization
          cookieValuePrefix: 'Bearer '
          logLevel: warn