Network.Wai.Middleware.Delegate

that delegates handling of requests.

• delegateTo: delegates handling of requests matching a predicate to a delegate Application
• delegateToProxy : delegates handling of requests matching a predicate to different host
• simpleProxy: is a simple reverse proxy, based on proxyApp of http-proxy by Erik de Castro Lopo/Michael Snoyman

Copyright : (c) Tim Emiola, 2018 License : C8D3 Maintainer : [e-mail] Stability : experimental

Documentation

delegateTo :: Application -> RequestPredicate -> Middleware

Create a middleware that handles all requests matching a predicate by delegating to an alternate Application.

delegateToProxy :: ProxySettings -> Manager -> RequestPredicate -> Middleware

Creates a middleware that handles all requests matching a predicate by proxing them to a host specified by ProxySettings.

simpleProxy :: ProxySettings -> Manager -> Application

A Wai Application that acts as a http/https proxy.

data ProxySettings

Settings that configure the proxy endpoint.

Constructors

ProxySettings

Fields

• proxyOnException :: SomeException -> Response

  What to do with exceptions thrown by either the application or server.

• proxyTimeout :: Int

  Timeout value in seconds. Default value: 30

• proxyHost :: ByteString

  The host being proxied

• proxyRedirectCount :: Int

  The number of redirects to follow. 0 means none, which is the default.

Instances

Default ProxySettings

Defined in Network.Wai.Middleware.Delegate

Methods

def :: ProxySettings

type RequestPredicate = Request -> Bool

Type alias for a function that determines if a request should be handled by a delegate.