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/**
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/**
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 * @author mandeep
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 * @author mandeep
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 *
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 *
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 * This class is realm for fetching authentication and authorization details for an agent.
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 * This class is realm for fetching authentication and authorization details for an agent.
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 */
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 */
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public class CRMRealm extends AuthorizingRealm {
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public class CRMAuthorizingRealm extends AuthorizingRealm {
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    private static final Log log = LogFactory.getLog(CRMRealm.class);
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    private static final Log log = LogFactory.getLog(CRMAuthorizingRealm.class);
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    @Override
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    @Override
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    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
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    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
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        //null usernames are invalid
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        //null usernames are invalid
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        if (principals == null) {
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        if (principals == null) {
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            throw new AuthorizationException("PrincipalCollection method argument cannot be null.");
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            throw new AuthorizationException("PrincipalCollection method argument cannot be null.");
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        }
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        }
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        String username = (String) getAvailablePrincipal(principals);
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        String username = (String) getAvailablePrincipal(principals);
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        List<String> roleNames = null;
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        List<String> roleNames = null;
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        Set<String> permissions = null;
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        Set<String> permissions = new HashSet<String>();
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        try {
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        try {
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            Client crmServiceClient = new CRMClient().getClient();
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            Client crmServiceClient = new CRMClient().getClient();
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            // Retrieve roles and permissions from database
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            // Retrieve roles and permissions from database
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            roleNames = crmServiceClient.getRoleNamesForAgent(username);
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            roleNames = crmServiceClient.getRoleNamesForAgent(username);
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//            // XXX - we might not need permissions!
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//            if (permissionsLookupEnabled) {
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            for (String roleName : roleNames) {
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//                permissions = crmServiceClient.getPermissionsForRoleName(roleNames.get(0));
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                permissions.addAll(crmServiceClient.getPermissionsForRoleName(roleName));
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//            }
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            }
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        } catch (TException e) {
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        } catch (TException e) {
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            throw new AuthorizationException("Error fetching roles' information", e);
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            throw new AuthorizationException("Error fetching roles' information", e);
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        } catch (Exception e) {
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        } catch (Exception e) {
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            throw new AuthorizationException("Error creating CRM client", e);
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            throw new AuthorizationException("Error creating CRM client", e);
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        }
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        }