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org.securityfilter.authenticator
Class BasicAuthenticator  

java.lang.Object
  org.securityfilter.authenticator.BasicAuthenticator

All Implemented Interfaces:

Authenticator

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public class BasicAuthenticator

extends java.lang.Object

implements Authenticator

BasicAuthenticator - authenticator implementation for the BASIC auth method.

Version:

$Revision: 1.2 $ $Date: 2003/07/14 18:55:14 $

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Field Summary
protected  org.apache.commons.codec.binary.Base64	base64Helper
static java.lang.String	LOGIN_ATTEMPTS
static java.lang.String	LOGIN_FAILED_MESSAGE
static int	MAX_ATTEMPTS
protected  org.securityfilter.realm.SecurityRealmInterface	realm
protected  java.lang.String	realmName

 

Constructor Summary

BasicAuthenticator()

 

Method Summary
boolean	bypassSecurityForThisRequest(org.securityfilter.filter.SecurityRequestWrapper request, org.securityfilter.filter.URLPatternMatcher patternMatcher)           All requests should be subject to security checking for BASIC authentication.
private  java.lang.String	decodeBasicAuthorizationString(java.lang.String authorization)           Decode the BASIC authorization string.
java.lang.String	getAuthMethod()           Returns BASIC as the authentication method.
void	init(javax.servlet.FilterConfig filterConfig, org.securityfilter.config.SecurityConfig securityConfig)           Initialize this Authenticator.
private  java.lang.String	parsePassword(java.lang.String decoded)           Parse the password out of the decoded BASIC authorization header string.
private  java.lang.String	parseUsername(java.lang.String decoded)           Parse the username out of the BASIC authorization header string.
boolean	processLogin(org.securityfilter.filter.SecurityRequestWrapper request, javax.servlet.http.HttpServletResponse response)           Process any login information that was included in the request, if any.
void	showLogin(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)           Show the login page.

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

LOGIN_ATTEMPTS

public static final java.lang.String LOGIN_ATTEMPTS

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LOGIN_FAILED_MESSAGE

public static final java.lang.String LOGIN_FAILED_MESSAGE

See Also:

Constant Field Values

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MAX_ATTEMPTS

public static final int MAX_ATTEMPTS

See Also:

Constant Field Values

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realm

protected org.securityfilter.realm.SecurityRealmInterface realm

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realmName

protected java.lang.String realmName

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base64Helper

protected org.apache.commons.codec.binary.Base64 base64Helper

Constructor Detail

BasicAuthenticator

public BasicAuthenticator()

Method Detail

init

public void init(javax.servlet.FilterConfig filterConfig,
                 org.securityfilter.config.SecurityConfig securityConfig)
          throws java.lang.Exception

Initialize this Authenticator.

Specified by:

init in interface Authenticator

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getAuthMethod

public java.lang.String getAuthMethod()

Returns BASIC as the authentication method.

Specified by:

getAuthMethod in interface Authenticator

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processLogin

public boolean processLogin(org.securityfilter.filter.SecurityRequestWrapper request,
                            javax.servlet.http.HttpServletResponse response)
                     throws java.lang.Exception

Process any login information that was included in the request, if any. Returns true if SecurityFilter should abort further processing after the method completes (for example, if a redirect was sent as part of the login processing).

Specified by:

processLogin in interface Authenticator

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bypassSecurityForThisRequest

public boolean bypassSecurityForThisRequest(org.securityfilter.filter.SecurityRequestWrapper request,
                                            org.securityfilter.filter.URLPatternMatcher patternMatcher)

All requests should be subject to security checking for BASIC authentication.

Specified by:

bypassSecurityForThisRequest in interface Authenticator

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showLogin

public void showLogin(javax.servlet.http.HttpServletRequest request,
                      javax.servlet.http.HttpServletResponse response)
               throws java.io.IOException

Show the login page.

Specified by:

showLogin in interface Authenticator

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parseUsername

private java.lang.String parseUsername(java.lang.String decoded)

Parse the username out of the BASIC authorization header string.

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parsePassword

private java.lang.String parsePassword(java.lang.String decoded)

Parse the password out of the decoded BASIC authorization header string.

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decodeBasicAuthorizationString

private java.lang.String decodeBasicAuthorizationString(java.lang.String authorization)

Decode the BASIC authorization string.

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