public abstract class

AbstractAuthenticationTargetUrlRequestHandler

extends Object
java.lang.Object
   ↳ org.springframework.security.web.authentication.AbstractAuthenticationTargetUrlRequestHandler
Known Direct Subclasses
Known Indirect Subclasses

Class Overview

Base class containing the logic used by strategies which handle redirection to a URL and are passed an Authentication object as part of the contract. See AuthenticationSuccessHandler and LogoutSuccessHandler, for example.

Uses the following logic sequence to determine how it should handle the forward/redirect

  • If the alwaysUseDefaultTargetUrl property is set to true, the defaultTargetUrl property will be used for the destination.
  • If a parameter matching the value of targetUrlParameter has been set on the request, the value will be used as the destination. If you are enabling this functionality, then you should ensure that the parameter cannot be used by an attacker to redirect the user to a malicious site (by clicking on a URL with the parameter included, for example). Typically it would be used when the parameter is included in the login form and submitted with the username and password.
  • If the useReferer property is set, the "Referer" HTTP header value will be used, if present.
  • As a fallback option, the defaultTargetUrl value will be used.

Summary

Fields
protected final Log logger
Protected Constructors
AbstractAuthenticationTargetUrlRequestHandler()
Public Methods
void setAlwaysUseDefaultTargetUrl(boolean alwaysUseDefaultTargetUrl)
If true, will always redirect to the value of defaultTargetUrl (defaults to false).
void setDefaultTargetUrl(String defaultTargetUrl)
Supplies the default target Url that will be used if no saved request is found in the session, or the alwaysUseDefaultTargetUrl property is set to true.
void setRedirectStrategy(RedirectStrategy redirectStrategy)
Allows overriding of the behaviour when redirecting to a target URL.
void setTargetUrlParameter(String targetUrlParameter)
If this property is set, the current request will be checked for this a parameter with this name and the value used as the target URL if present.
void setUseReferer(boolean useReferer)
If set to true the Referer header will be used (if available).
Protected Methods
String determineTargetUrl(HttpServletRequest request, HttpServletResponse response)
Builds the target URL according to the logic defined in the main class Javadoc.
final String getDefaultTargetUrl()
Supplies the default target Url that will be used if no saved request is found or the alwaysUseDefaultTargetUrl property is set to true.
RedirectStrategy getRedirectStrategy()
String getTargetUrlParameter()
void handle(HttpServletRequest request, HttpServletResponse response, Authentication authentication)
Invokes the configured RedirectStrategy with the URL returned by the determineTargetUrl method.
boolean isAlwaysUseDefaultTargetUrl()
[Expand]
Inherited Methods
From class java.lang.Object

Fields

protected final Log logger

Protected Constructors

protected AbstractAuthenticationTargetUrlRequestHandler ()

Public Methods

public void setAlwaysUseDefaultTargetUrl (boolean alwaysUseDefaultTargetUrl)

If true, will always redirect to the value of defaultTargetUrl (defaults to false).

public void setDefaultTargetUrl (String defaultTargetUrl)

Supplies the default target Url that will be used if no saved request is found in the session, or the alwaysUseDefaultTargetUrl property is set to true. If not set, defaults to /. It will be treated as relative to the web-app's context path, and should include the leading /. Alternatively, inclusion of a scheme name (such as "http://" or "https://") as the prefix will denote a fully-qualified URL and this is also supported.

public void setRedirectStrategy (RedirectStrategy redirectStrategy)

Allows overriding of the behaviour when redirecting to a target URL.

public void setTargetUrlParameter (String targetUrlParameter)

If this property is set, the current request will be checked for this a parameter with this name and the value used as the target URL if present.

Parameters
targetUrlParameter the name of the parameter containing the encoded target URL. Defaults to null.

public void setUseReferer (boolean useReferer)

If set to true the Referer header will be used (if available). Defaults to false.

Protected Methods

protected String determineTargetUrl (HttpServletRequest request, HttpServletResponse response)

Builds the target URL according to the logic defined in the main class Javadoc.

protected final String getDefaultTargetUrl ()

Supplies the default target Url that will be used if no saved request is found or the alwaysUseDefaultTargetUrl property is set to true. If not set, defaults to /.

Returns
  • the defaultTargetUrl property

protected RedirectStrategy getRedirectStrategy ()

protected String getTargetUrlParameter ()

protected void handle (HttpServletRequest request, HttpServletResponse response, Authentication authentication)

Invokes the configured RedirectStrategy with the URL returned by the determineTargetUrl method.

The redirect will not be performed if the response has already been committed.

Throws
IOException
ServletException

protected boolean isAlwaysUseDefaultTargetUrl ()