SSOStrategy (ala-auth 7.0.0 API)

Summary:
Method

| Detail:
Method

```
interface SSOStrategy
```
Strategy for implementing SSO. Used by the SSO Interceptor to generalise authentication method

Methods Summary

Methods
Type Params	Return Type	Name and description
	`abstract boolean`	`authenticate(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, boolean gateway)` Authenticate a request with the SSO provider
	`abstract boolean`	`authenticate(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, boolean gateway, java.lang.String redirectUri)` Authenticate a request with the SSO provider

- Method Detail
  - abstract boolean authenticate(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, boolean gateway)
    
    Authenticate a request with the SSO provider
    Parameters:
    request - The current request
    response - The current response
    gateway - Whether the request is allowed to callback without authenticating
    Returns:
    true if the request will be authenticated, false if no authentication is required.
  - abstract boolean authenticate(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, boolean gateway, java.lang.String redirectUri)
    
    Authenticate a request with the SSO provider
    Parameters:
    request - The current request
    response - The current response
    gateway - Whether the request is allowed to callback without authenticating
    redirectUri - A redirect URI within the current app to redirect to
    Returns:
    true if the request will be authenticated, false if no authentication is required.

Summary:
Method

| Detail:
Method

Groovy Documentation