[infinispan-issues] [JBoss JIRA] (ISPN-7713) LDAP Authorization Common RoleName Mapper Case Insensitive CN extraction

[Tristan Tarrant (JIRA)]

Tristan Tarrant created ISPN-7713:
-------------------------------------

             Summary:  LDAP Authorization Common RoleName Mapper Case Insensitive CN extraction
                 Key: ISPN-7713
                 URL: https://issues.jboss.org/browse/ISPN-7713
             Project: Infinispan
          Issue Type: Bug
          Components: Security
            Reporter: Kamesh Sampath
            Priority: Critical


When enabling security with Inifinispan with LDAP backend and when using `common-role-name-mapper` for authorisation, the extraction fails to extract the role name when the role name attribute e.g. "cn" is used instead of "CN" in the distinguished name. 

Its identified that the `org.infinispan.security.impl.CommonRoleMapper` use a case sensitive search and extracts roles only when the DN is like "CN=Developers,ou=Groups,dc=example,dc=com"

The current workaround is to use the use a ldap authorization like 

{code:xml}
<group-search group-name="SIMPLE" iterative="true" group-dn-attribute="dn" group-name-attribute="cn">
 <group-to-principal search-by="DISTINGUISHED_NAME" base-dn="ou=Groups,dc=example,dc=com">
                                <membership-filter principal-attribute="uniqueMember"/>
 </group-to-principal>
 </group-search>
{code}

and define the cache-container authorisation like 
{code:xml}
 <security>
      <authorization>
                       <!-- This does not work as the role extraction uses case sensitive extraction of cn -->
                        <!-- common-name-role-mapper/ -->
                        <identity-role-mapper/>
                        <role name="ClusterAdmins" permissions="ALL"/>
                        <role name="Developers" permissions="WRITE"/>
                        <role name="Business" permissions="READ"/>
                        <role name="Managers" permissions="ALL_READ ALL_WRITE"/>
       </authorization>
</security>
{code}




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