public class BasicAuthenticationFilter extends OncePerRequestFilter
SecurityContextHolder
.
For a detailed background on what this filter is designed to process, refer to RFC 1945, Section 11.1. Any realm name presented in the HTTP request is ignored.
In summary, this filter is responsible for processing any request that has a HTTP request header of
Authorization
with an authentication scheme of Basic
and a Base64-encoded
username:password
token. For example, to authenticate user "Aladdin" with password "open sesame" the
following header would be presented:
Authorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==
This filter can be used to provide BASIC authentication services to both remoting protocol clients (such as Hessian and SOAP) as well as standard user agents (such as Internet Explorer and Netscape).
If authentication is successful, the resulting Authentication
object will be placed into the
SecurityContextHolder
.
If authentication fails and ignoreFailure
is false
(the default), an AuthenticationEntryPoint
implementation is called (unless the ignoreFailure property is set to
true). Usually this should be BasicAuthenticationEntryPoint
, which will prompt the user to
authenticate again via BASIC authentication.
Basic authentication is an attractive protocol because it is simple and widely deployed. However, it still
transmits a password in clear text and as such is undesirable in many situations. Digest authentication is also
provided by Spring Security and should be used instead of Basic authentication wherever possible. See DigestAuthenticationFilter
.
Note that if a RememberMeServices
is set, this filter will automatically send back remember-me
details to the client. Therefore, subsequent requests will not need to present a BASIC authentication header as
they will be authenticated using the remember-me mechanism.
ALREADY_FILTERED_SUFFIX
logger
Constructor and Description |
---|
BasicAuthenticationFilter(AuthenticationManager authenticationManager)
Creates an instance which will authenticate against the supplied
AuthenticationManager
and which will ignore failed authentication attempts, allowing the request to proceed down the filter chain. |
BasicAuthenticationFilter(AuthenticationManager authenticationManager,
AuthenticationEntryPoint authenticationEntryPoint)
Creates an instance which will authenticate against the supplied
AuthenticationManager and
use the supplied AuthenticationEntryPoint to handle authentication failures. |
Modifier and Type | Method and Description |
---|---|
void |
afterPropertiesSet() |
protected void |
doFilterInternal(javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response,
javax.servlet.FilterChain chain) |
protected AuthenticationEntryPoint |
getAuthenticationEntryPoint() |
protected AuthenticationManager |
getAuthenticationManager() |
protected String |
getCredentialsCharset(javax.servlet.http.HttpServletRequest httpRequest) |
protected boolean |
isIgnoreFailure() |
protected void |
onSuccessfulAuthentication(javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response,
Authentication authResult) |
protected void |
onUnsuccessfulAuthentication(javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response,
AuthenticationException failed) |
void |
setAuthenticationDetailsSource(AuthenticationDetailsSource<javax.servlet.http.HttpServletRequest,?> authenticationDetailsSource) |
void |
setCredentialsCharset(String credentialsCharset) |
void |
setRememberMeServices(RememberMeServices rememberMeServices) |
doFilter, getAlreadyFilteredAttributeName, isAsyncDispatch, isAsyncStarted, shouldNotFilter, shouldNotFilterAsyncDispatch, shouldNotFilterErrorDispatch
addRequiredProperty, destroy, getFilterConfig, getFilterName, getServletContext, init, initBeanWrapper, initFilterBean, setBeanName, setEnvironment, setServletContext
public BasicAuthenticationFilter(AuthenticationManager authenticationManager)
AuthenticationManager
and which will ignore failed authentication attempts, allowing the request to proceed down the filter chain.authenticationManager
- the bean to submit authentication requests topublic BasicAuthenticationFilter(AuthenticationManager authenticationManager, AuthenticationEntryPoint authenticationEntryPoint)
AuthenticationManager
and
use the supplied AuthenticationEntryPoint
to handle authentication failures.authenticationManager
- the bean to submit authentication requests toauthenticationEntryPoint
- will be invoked when authentication fails. Typically an instance of
BasicAuthenticationEntryPoint
.public void afterPropertiesSet()
afterPropertiesSet
in interface InitializingBean
afterPropertiesSet
in class GenericFilterBean
protected void doFilterInternal(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.FilterChain chain) throws IOException, javax.servlet.ServletException
doFilterInternal
in class OncePerRequestFilter
IOException
javax.servlet.ServletException
protected void onSuccessfulAuthentication(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, Authentication authResult) throws IOException
IOException
protected void onUnsuccessfulAuthentication(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, AuthenticationException failed) throws IOException
IOException
protected AuthenticationEntryPoint getAuthenticationEntryPoint()
protected AuthenticationManager getAuthenticationManager()
protected boolean isIgnoreFailure()
public void setAuthenticationDetailsSource(AuthenticationDetailsSource<javax.servlet.http.HttpServletRequest,?> authenticationDetailsSource)
public void setRememberMeServices(RememberMeServices rememberMeServices)
public void setCredentialsCharset(String credentialsCharset)
protected String getCredentialsCharset(javax.servlet.http.HttpServletRequest httpRequest)