Guide to OpenIG
Chapter 11. Configuration Templates

Logs the user into the target application using the headers passed down from an OpenAM policy agent. This template assumes the user name and password are passed down by the OpenAM policy agent as headers. If the header passed in contains only a user name or subject and requires a lookup to an external data source, you must add an attribute filter to the chain to retrieve the credentials.

{
  "heap": {
    "objects": [
    {
        "name": "HandlerServlet",
        "comment": "Entry point that transforms Servlet request to handler request.",
        "type": "HandlerServlet",
        "config": {
            "handler": "DispatchHandler",
            "baseURI":"http://TARGETIP"
        }
    },
    {       
        "name": "DispatchHandler",
        "type": "DispatchHandler",
        "config": {
            "bindings": [   
                {                       
                    "condition": "${exchange.request.uri.path == '/login'}",
                    "handler": "LoginChain",
                }, 
                {                       
                    "handler": "OutgoingChain",
                }, 
            ]   
        }   
    },
    {
        "name": "LoginChain",
        "type": "Chain",
        "config": {
            "filters": ["LoginRequest"],
            "handler": "OutgoingChain" 
        }   
    },
    {   
        "name": "LoginRequest",
        "type": "StaticRequestFilter",
        "config": {
            "method": "POST",
            "uri": "https://TARGETIP/login",
            "form": {
                "USER": ["${exchange.request.headers['username'][0]}"],
                "PASSWORD": ["${exchange.request.headers['password'][0]}"],
            }   
        }   
    },
    {
        "name": "OutgoingChain",
        "type": "Chain",
        "config": {
            "filters": ["CaptureFilter"],
            "handler": "ClientHandler" 
        }   
    },
    {   
        "name": "CaptureFilter",
        "type": "CaptureFilter",
        "config": {
            "captureEntity": false,
            "file": "/tmp/gateway.log",
        }       
    },
    {
        "name": "ClientHandler",
        "comment": "Responsible for sending all requests to remote servers.",
        "type": "ClientHandler",
        "config": {
            }
        }
    ]
  },
  "servletObject": "HandlerServlet",
}