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@ -40,9 +40,10 @@ public class DeviceAccessBasedMQTTAuthorizer implements IAuthorizer {
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private static final String CONNECTION_PERMISSION = "/permission/admin/device-mgt/user";
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private static final String ADMIN_PERMISSION = "/permission/admin/device-mgt/admin";
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private static final String SCOPE_IDENTIFIER = "scope";
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private static final String CDMF_SCOPE_PREFIX = "cdmf";
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private static final String CDMF_SCOPE_SEPERATOR = "/";
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private static final String UI_EXECUTE = "ui.execute";
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private static final String MQTT_PUBLISHER_SCOPE_IDENTIFIER = "mqtt-publisher";
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private static final String MQTT_SUBSCRIBER_SCOPE_IDENTIFIER = "mqtt-subscriber";
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private static final String DEVICE_MGT_SCOPE_IDENTIFIER = "device-mgt";
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/**
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* {@inheritDoc} Authorize the user against carbon device mgt model.
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@ -61,21 +62,24 @@ public class DeviceAccessBasedMQTTAuthorizer implements IAuthorizer {
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if (!tenantIdFromTopic.equals(authorizationSubject.getTenantDomain())) {
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return false;
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}
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String deviceTypeFromTopic = topics[1];
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String deviceIdFromTopic = topics[2];
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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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String deviceType = topics[1];
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String deviceId = topics[2];
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Object scopeObject = authorizationSubject.getProperties().get(SCOPE_IDENTIFIER);
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if (!deviceId.isEmpty() && !deviceType.isEmpty() && scopeObject != null) {
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List<String> scopes = (List<String>) scopeObject;
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String permissionScope = MQTT_PUBLISHER_SCOPE_IDENTIFIER;
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if (permissionLevel == MQTTAuthoriztionPermissionLevel.SUBSCRIBE) {
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permissionScope = MQTT_SUBSCRIBER_SCOPE_IDENTIFIER;
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}
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String requiredScope = DEVICE_MGT_SCOPE_IDENTIFIER + ":" + deviceType + ":" + deviceId + ":"
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+ permissionScope;
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for (String scope : scopes) {
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if (scope.startsWith(CDMF_SCOPE_PREFIX)) {
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String deviceId[] = scope.split(CDMF_SCOPE_SEPERATOR);
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if (deviceId.length == 3) {
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if (deviceIdFromTopic.equals(deviceId[2]) && deviceTypeFromTopic.equals(deviceId[1])) {
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if (requiredScope.equals(scope)) {
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return true;
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}
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}
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}
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}
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}
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return false;
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}
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Milan Perera
8 years ago
committed by
GitHub