Github user annieweng commented on a diff in the pull request:

    
https://github.com/apache/incubator-guacamole-client/pull/68#discussion_r77445759
  
    --- Diff: 
extensions/guacamole-auth-ldap/src/main/java/org/apache/guacamole/auth/ldap/AuthenticationProviderService.java
 ---
    @@ -205,38 +214,80 @@ private LDAPConnection bindAs(Credentials credentials)
          *     denied.
          */
         public AuthenticatedUser authenticateUser(Credentials credentials)
    -            throws GuacamoleException {
    -
    -        // Attempt bind
    -        LDAPConnection ldapConnection;
    -        try {
    -            ldapConnection = bindAs(credentials);
    -        }
    -        catch (GuacamoleException e) {
    -            logger.error("Cannot bind with LDAP server: {}", 
e.getMessage());
    -            logger.debug("Error binding with LDAP server.", e);
    -            ldapConnection = null;
    -        }
    -
    -        // If bind fails, permission to login is denied
    -        if (ldapConnection == null)
    -            throw new GuacamoleInvalidCredentialsException("Permission 
denied.", CredentialsInfo.USERNAME_PASSWORD);
    -
    -        try {
    -
    -            // Return AuthenticatedUser if bind succeeds
    -            AuthenticatedUser authenticatedUser = 
authenticatedUserProvider.get();
    -            authenticatedUser.init(credentials);
    -            return authenticatedUser;
    -
    -        }
    -
    -        // Always disconnect
    -        finally {
    -            ldapService.disconnect(ldapConnection);
    -        }
    -
    +                   throws GuacamoleException {
    +
    +           // Attempt bind
    +           LDAPConnection ldapConnection;
    +           try {
    +                   ldapConnection = bindAs(credentials);
    +           }
    +           catch (GuacamoleException e) {
    +                   logger.error("Cannot bind with LDAP server: {}", 
e.getMessage());
    +                   logger.debug("Error binding with LDAP server.", e);
    +                   ldapConnection = null;
    +           }
    +
    +           // If bind fails, permission to login is denied
    +           if (ldapConnection == null)
    +                   throw new 
GuacamoleInvalidCredentialsException("Permission denied.", 
CredentialsInfo.USERNAME_PASSWORD);
    +
    +           boolean authenticated=true;
    --- End diff --
    
    I have. 
    only way will be if(confService.getAdditionalSearchFilter().length()>0), 
else .
    however that will mean we have to repeat following code
                        // Return AuthenticatedUser if bind succeeds
                            AuthenticatedUser authenticatedUser = 
authenticatedUserProvider.get();
                            authenticatedUser.init(credentials);
    in both if and else block. 
    
                            return authenticatedUser;


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