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@ -24,8 +24,10 @@ import org.wso2.andes.configuration.enums.MQTTAuthoriztionPermissionLevel;
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import org.wso2.andes.mqtt.MQTTAuthorizationSubject;
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import org.wso2.carbon.andes.extensions.device.mgt.mqtt.authorization.internal.AuthorizationDataHolder;
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import org.wso2.carbon.context.PrivilegedCarbonContext;
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import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
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import org.wso2.carbon.device.mgt.common.authorization.DeviceAccessAuthorizationException;
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import org.wso2.carbon.user.api.UserRealm;
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import org.wso2.carbon.user.api.UserStoreException;
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import java.util.List;
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/**
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* Authorize the connecting users against Carbon Permission Model. Intended usage is
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@ -35,13 +37,15 @@ import org.wso2.carbon.device.mgt.common.authorization.DeviceAccessAuthorization
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*/
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public class DeviceAccessBasedMQTTAuthorizer implements IAuthorizer {
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private static final Logger logger = Logger.getLogger(DeviceAccessBasedMQTTAuthorizer.class);
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private static final String CONNECTION_PERMISSION = "/permission/admin/device-mgt/user";
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private static final String SCOPE_IDENTIFIER = "scope";
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/**
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* {@inheritDoc} Authorize the user against carbon device mgt model.
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*/
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@Override
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public boolean isAuthorizedForTopic(MQTTAuthorizationSubject authorizationSubject, String topic,
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MQTTAuthoriztionPermissionLevel permissionLevel) {
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try {
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String topics[] = topic.split("/");
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if (topics.length < 3) {
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return false;
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@ -52,18 +56,13 @@ public class DeviceAccessBasedMQTTAuthorizer implements IAuthorizer {
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}
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String deviceTypeFromTopic = topics[1];
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String deviceIdFromTopic = topics[2];
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PrivilegedCarbonContext.startTenantFlow();
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PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantDomain(
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authorizationSubject.getTenantDomain(), true);
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PrivilegedCarbonContext.getThreadLocalCarbonContext().setUsername(authorizationSubject.getUsername());
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return AuthorizationDataHolder.getInstance().getDeviceAccessAuthorizationService().isUserAuthorized(
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new DeviceIdentifier(deviceIdFromTopic, deviceTypeFromTopic));
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} catch (DeviceAccessAuthorizationException e) {
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logger.error("Failed on Device Access Authorization for user " + authorizationSubject.getUsername(), e);
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} finally {
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PrivilegedCarbonContext.endTenantFlow();
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List<String> scopes = (List<String>) authorizationSubject.getProperties().get(SCOPE_IDENTIFIER);
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if (scopes != null) {
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for (String scope : scopes) {
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//TODO : have to validate token with scopes.
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}
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return false;
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}
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return true;
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}
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/**
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@ -71,6 +70,36 @@ public class DeviceAccessBasedMQTTAuthorizer implements IAuthorizer {
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*/
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@Override
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public boolean isAuthorizedToConnect(MQTTAuthorizationSubject authorizationSubject) {
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return true;
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return isUserAuthorized(authorizationSubject, CONNECTION_PERMISSION, "ui.execute");
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}
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/**
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* Check whether the client is authorized with the given permission and action.
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*
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* @param authorizationSubject this contains the client information
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* @param permission Carbon permission that requires for the use
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* @param action Carbon permission action that requires for the given permission.
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* @return boolean - true if user is authorized else return false.
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*/
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private boolean isUserAuthorized(MQTTAuthorizationSubject authorizationSubject, String permission, String action) {
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String username = authorizationSubject.getUsername();
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try {
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PrivilegedCarbonContext.startTenantFlow();
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PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantDomain(
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authorizationSubject.getTenantDomain(), true);
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int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
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UserRealm userRealm = AuthorizationDataHolder.getInstance().getRealmService()
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.getTenantUserRealm(tenantId);
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if (userRealm != null && userRealm.getAuthorizationManager() != null) {
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return userRealm.getAuthorizationManager().isUserAuthorized(username, permission, action);
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}
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return false;
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} catch (UserStoreException e) {
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String errorMsg = String.format("Unable to authorize the user : %s", username);
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logger.error(errorMsg, e);
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return false;
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} finally {
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PrivilegedCarbonContext.endTenantFlow();
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}
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}
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}
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ayyoob
9 years ago