Ian 94bb7a1435 Add ability to set authenticated user in request header (#889 )

* Add ability to set authenticated user in request header

Some web applications provide the ability to authorize users based on
the authenticated from Basic Auth. This patch provides a way to set a
key to which the authenticated user can be set in the Header.

For example, if I set `HeaderValue = "X-WebAuth-User"` and authenticate,
my application will be able to read my user name from that header and
provide me with the proper access.

This fixes #802

2016-12-16 16:42:51 +01:00

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Examples

You will find here some configuration examples of Træfɪk.

HTTP only

defaultEntryPoints = ["http"]
[entryPoints]
  [entryPoints.http]
  address = ":80"

HTTP + HTTPS (with SNI)

defaultEntryPoints = ["http", "https"]
[entryPoints]
  [entryPoints.http]
  address = ":80"
  [entryPoints.https]
  address = ":443"
    [entryPoints.https.tls]
      [[entryPoints.https.tls.certificates]]
      CertFile = "integration/fixtures/https/snitest.com.cert"
      KeyFile = "integration/fixtures/https/snitest.com.key"
      [[entryPoints.https.tls.certificates]]
      CertFile = "integration/fixtures/https/snitest.org.cert"
      KeyFile = "integration/fixtures/https/snitest.org.key"

Note that we can either give path to certificate file or directly the file content itself (like in this TOML example).

HTTP redirect on HTTPS

defaultEntryPoints = ["http", "https"]
[entryPoints]
  [entryPoints.http]
  address = ":80"
    [entryPoints.http.redirect]
    entryPoint = "https"
  [entryPoints.https]
  address = ":443"
    [entryPoints.https.tls]
      [[entryPoints.https.tls.certificates]]
      certFile = "tests/traefik.crt"
      keyFile = "tests/traefik.key"

Let's Encrypt support

[entryPoints]
  [entryPoints.https]
  address = ":443"
    [entryPoints.https.tls]
      # certs used as default certs
      [[entryPoints.https.tls.certificates]]
      certFile = "tests/traefik.crt"
      keyFile = "tests/traefik.key"
[acme]
email = "test@traefik.io"
storageFile = "acme.json"
onDemand = true
caServer = "http://172.18.0.1:4000/directory"
entryPoint = "https"

[[acme.domains]]
  main = "local1.com"
  sans = ["test1.local1.com", "test2.local1.com"]
[[acme.domains]]
  main = "local2.com"
  sans = ["test1.local2.com", "test2x.local2.com"]
[[acme.domains]]
  main = "local3.com"
[[acme.domains]]
  main = "local4.com"

Override entrypoints in frontends

[frontends]
  [frontends.frontend1]
  backend = "backend2"
    [frontends.frontend1.routes.test_1]
    rule = "Host:test.localhost"
  [frontends.frontend2]
  backend = "backend1"
  passHostHeader = true
  entrypoints = ["https"] # overrides defaultEntryPoints
    [frontends.frontend2.routes.test_1]
    rule = "Host:{subdomain:[a-z]+}.localhost"
  [frontends.frontend3]
  entrypoints = ["http", "https"] # overrides defaultEntryPoints
  backend = "backend2"
    rule = "Path:/test"

Enable Basic authentication in an entrypoint

With two user/pass:

test:test
test2:test2

Passwords are encoded in MD5: you can use htpasswd to generate those ones.

defaultEntryPoints = ["http"]
[entryPoints]
  [entryPoints.http]
  address = ":80"
  [entryPoints.http.auth.basic]
  users = ["test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/", "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"]

Pass Authenticated user to application via headers

Providing an authentication method as described above, it is possible to pass the user to the application via a configurable header value

defaultEntryPoints = ["http"]
[entryPoints]
  [entryPoints.http]
  address = ":80"
  [entryPoints.http.auth]
    headerField = "X-WebAuth-User"
    [entryPoints.http.auth.basic]
    users = ["test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/", "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"]

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