...
So looking at the default security.xml file it contains the following near the top
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<bean id="filterChainProxy" class="org.acegisecurity.util.FilterChainProxy">
<property name="filterInvocationDefinitionSource">
<value>
CONVERT_URL_TO_LOWERCASE_BEFORE_COMPARISON
PATTERN_TYPE_APACHE_ANT
/server/**=httpSessionContextIntegrationFilter,authenticationProcessingFilter,securityContextHolderAwareRequestFilter,rememberMeProcessingFilter,anonymousProcessingFilter,jsonExceptionTranslationFilter,filterInvocationInterceptor
/**=httpSessionContextIntegrationFilter,logoutFilter,authenticationProcessingFilter,securityContextHolderAwareRequestFilter,rememberMeProcessingFilter,anonymousProcessingFilter,exceptionTranslationFilter,filterInvocationInterceptor
</value>
</property>
</bean>
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...
To do this we add a new section to the security.xml file to define a new NtlmProcessingFilter
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<bean id="ntlmProcessingFilter" class="org.acegisecurity.ui.ntlm.NtlmProcessingFilter">
<property name="defaultDomain"><value>DOMAINNAME</value></property>
<property name="domainController"><value>172.16.0.30</value></property>
<property name="authenticationEntryPoint" ref="ntlmEntryPoint"/>
<property name="authenticationManager" ref="ntlmAuthenticationManager"/>
</bean>
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...
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This is the first place where this configuration is different from the original NTLM setup, namely the nullDaoAuthentication provider is used instead of the smbAuthenticationProvider. |
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<bean id="ntlmEntryPoint" class="org.acegisecurity.ui.ntlm.NtlmProcessingFilterEntryPoint"/>
<bean id="ntlmAuthenticationManager" class="org.acegisecurity.providers.ProviderManager">
<property name="providers">
<list>
<ref local="nullDaoAuthenticationProvider"/>
<bean class="org.acegisecurity.providers.anonymous.AnonymousAuthenticationProvider">
<property name="key" value="changeThis"/>
</bean>
<bean class="org.acegisecurity.providers.rememberme.RememberMeAuthenticationProvider">
<property name="key" value="changeThis"/>
</bean>
</list>
</property>
</bean>
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The ntlmEntryPoint is pretty straight forward, but we can see that the ntlmAuthenticationManager references yet another section that we need to add, the nullDaoAuthenticationManager.
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<bean id="nullDaoAuthenticationProvider" class="org.acegisecurity.providers.smb.NullPasswordDaoAuthenticationProvider">
<property name="userDetailsService" ref="userDetailsService"/>
<property name="userCache">
<bean class="org.acegisecurity.providers.dao.cache.EhCacheBasedUserCache">
<property name="cache">
<bean class="org.springframework.cache.ehcache.EhCacheFactoryBean">
<property name="cacheManager">
<bean class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean"/>
</property>
<property name="cacheName" value="userCache"/>
</bean>
</property>
</bean>
</property>
</bean>
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That should be the final new section we need to add, since the sections that it references should already exist. So all that remains is to add the first section we added to the list of filters
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<bean id="filterChainProxy" class="org.acegisecurity.util.FilterChainProxy">
<property name="filterInvocationDefinitionSource">
<value>
CONVERT_URL_TO_LOWERCASE_BEFORE_COMPARISON
PATTERN_TYPE_APACHE_ANT
/server/**=httpSessionContextIntegrationFilter,ntlmProcessingFilter,authenticationProcessingFilter,securityContextHolderAwareRequestFilter,rememberMeProcessingFilter,anonymousProcessingFilter,jsonExceptionTranslationFilter,filterInvocationInterceptor
/**=httpSessionContextIntegrationFilter,ntlmProcessingFilter,logoutFilter,authenticationProcessingFilter,securityContextHolderAwareRequestFilter,rememberMeProcessingFilter,anonymousProcessingFilter,exceptionTranslationFilter,filterInvocationInterceptor
</value>
</property>
</bean>
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...
Depending upon the version of active directory you're running you may need to specify a username/password for the ntlmProcessingFilter, so if you find authentication errors in the weave.log file after enabling integrated authentication then change the ntlmProcessingFilter to the following and set the appropriate username.password.
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<bean id="ntlmProcessingFilter" class="org.acegisecurity.ui.ntlm.NtlmProcessingFilter">
<property name="defaultDomain"><value>DOMAINNAME</value></property>
<property name="domainController"><value>172.16.0.30</value></property>
<property name="authenticationEntryPoint" ref="ntlmEntryPoint"/>
<property name="authenticationManager" ref="ntlmAuthenticationManager"/>
<property name = "JCifsProperties">
<map>
<entry key="jcifs.smb.client.username">
<value>username</value>
</entry>
<entry key="jcifs.smb.client.password">
<value>password</value>
</entry>
</map>
</property>
</bean>
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