forked from community/device-mgt-core
harshanl
9 years ago
parent
3608df2981
commit
026a7c187a
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/*
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* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* you may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.device.mgt.common.authorization;
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/**
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* Custom exception class which wraps exceptions occurred inside DeviceAccessAuthorization service.
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*/
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public class DeviceAccessAuthorizationException extends Exception {
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private static final long serialVersionUID = -3151279331929070297L;
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private String errorMessage;
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public String getErrorMessage() {
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return errorMessage;
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}
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public void setErrorMessage(String errorMessage) {
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this.errorMessage = errorMessage;
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}
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public DeviceAccessAuthorizationException(String msg, Exception nestedEx) {
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super(msg, nestedEx);
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setErrorMessage(msg);
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}
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public DeviceAccessAuthorizationException(String message, Throwable cause) {
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super(message, cause);
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setErrorMessage(message);
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}
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public DeviceAccessAuthorizationException(String msg) {
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super(msg);
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setErrorMessage(msg);
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}
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public DeviceAccessAuthorizationException() {
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super();
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}
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public DeviceAccessAuthorizationException(Throwable cause) {
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super(cause);
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}
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}
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/*
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* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* you may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.device.mgt.common.authorization;
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import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
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import java.util.List;
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/**
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* This represents the contract of DeviceAccessAuthorization service which will be used to check the authorization when
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* accessing the device information and performing MDM operations on devices.
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*/
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public interface DeviceAccessAuthorizationService {
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/**
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* This method will check whether the currently logged-in user has the access to the device identified by the given
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* DeviceIdentifier.
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*
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* @param deviceIdentifier - DeviceIdentifier of the device to be checked.
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* @return Boolean authorization result.
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* @throws DeviceAccessAuthorizationException if something goes wrong when checking the authorization.
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*/
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boolean isUserAuthorized(DeviceIdentifier deviceIdentifier) throws DeviceAccessAuthorizationException;
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/**
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* This method will check whether the currently logged-in user has the access to the devices identified by the given
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* DeviceIdentifier list.
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*
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* @param deviceIdentifiers - List of DeviceIdentifiers to be checked for authorization.
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* @return DeviceAuthorizationResult - Authorization result including the list of authorized devices &
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* unauthorized devices.
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* @throws DeviceAccessAuthorizationException if something goes wrong when checking the authorization.
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*/
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DeviceAuthorizationResult isUserAuthorized(List<DeviceIdentifier> deviceIdentifiers) throws
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DeviceAccessAuthorizationException;
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/**
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* This method will check whether the given user has the access to the device identified by the given
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* DeviceIdentifier.
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*
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* @param deviceIdentifier - DeviceIdentifier of the device to be checked.
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* @param username - Username of the user to be checked for authorization.
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* @return Boolean authorization result.
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* @throws DeviceAccessAuthorizationException if something goes wrong when checking the authorization.
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*/
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boolean isUserAuthorized(DeviceIdentifier deviceIdentifier, String username) throws
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DeviceAccessAuthorizationException;
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/**
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* This method will check whether the given user has the access to the devices identified by the given
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* DeviceIdentifier list.
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*
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* @param deviceIdentifiers - List of DeviceIdentifiers to be checked for authorization.
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* @param username - Username of the user to be checked for authorization.
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* @return DeviceAuthorizationResult - Authorization result including the list of authorized devices &
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* unauthorized devices.
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* @throws DeviceAccessAuthorizationException if something goes wrong when checking the authorization.
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*/
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DeviceAuthorizationResult isUserAuthorized(List<DeviceIdentifier> deviceIdentifiers, String username) throws
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DeviceAccessAuthorizationException;
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}
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/*
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* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* you may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.device.mgt.common.authorization;
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import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Represents a DeviceAuthorizationResult including a list of authorized devices and a list of unauthorized devices.
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*/
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public class DeviceAuthorizationResult {
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private List<DeviceIdentifier> authorizedDevices = new ArrayList<>();
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private List<DeviceIdentifier> unauthorizedDevices = new ArrayList<>();
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public List<DeviceIdentifier> getAuthorizedDevices() {
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return authorizedDevices;
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}
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public void setAuthorizedDevices(List<DeviceIdentifier> authorizedDevices) {
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this.authorizedDevices = authorizedDevices;
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}
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public void setUnauthorizedDevices(
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List<DeviceIdentifier> unauthorizedDevices) {
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this.unauthorizedDevices = unauthorizedDevices;
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}
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public void addAuthorizedDevice(DeviceIdentifier deviceIdentifier) {
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authorizedDevices.add(deviceIdentifier);
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}
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public List<DeviceIdentifier> getUnauthorizedDevices() {
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return unauthorizedDevices;
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}
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public void addUnauthorizedDevice(DeviceIdentifier deviceIdentifier) {
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unauthorizedDevices.add(deviceIdentifier);
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}
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}
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/*
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* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* you may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.device.mgt.core.authorization;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.wso2.carbon.context.PrivilegedCarbonContext;
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import org.wso2.carbon.device.mgt.common.Device;
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import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
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import org.wso2.carbon.device.mgt.common.DeviceManagementException;
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import org.wso2.carbon.device.mgt.common.EnrolmentInfo;
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import org.wso2.carbon.device.mgt.common.authorization.DeviceAccessAuthorizationException;
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import org.wso2.carbon.device.mgt.common.authorization.DeviceAccessAuthorizationService;
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import org.wso2.carbon.device.mgt.common.authorization.DeviceAuthorizationResult;
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import org.wso2.carbon.device.mgt.common.permission.mgt.Permission;
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import org.wso2.carbon.device.mgt.common.permission.mgt.PermissionManagementException;
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import org.wso2.carbon.device.mgt.core.internal.DeviceManagementDataHolder;
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import org.wso2.carbon.device.mgt.core.permission.mgt.PermissionUtils;
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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 org.wso2.carbon.utils.multitenancy.MultitenantUtils;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* Implementation of DeviceAccessAuthorization service.
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*/
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public class DeviceAccessAuthorizationServiceImpl implements DeviceAccessAuthorizationService {
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private final static String EMM_ADMIN_PERMISSION = "/device-mgt/admin-device-access";
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private static Log log = LogFactory.getLog(DeviceAccessAuthorizationServiceImpl.class);
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public static final class PermissionMethod {
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private PermissionMethod() {
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throw new AssertionError();
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}
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public static final String READ = "read";
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public static final String WRITE = "write";
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public static final String DELETE = "delete";
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public static final String ACTION = "action";
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public static final String UI_EXECUTE = "ui.execute";
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}
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public DeviceAccessAuthorizationServiceImpl() {
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try {
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this.addAdminPermissionToRegistry();
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} catch (PermissionManagementException e) {
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log.error("Unable to add the emm-admin permission to the registry.", e);
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}
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}
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@Override
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public boolean isUserAuthorized(DeviceIdentifier deviceIdentifier) throws DeviceAccessAuthorizationException {
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boolean status;
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String username = this.getUserName();
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int tenantId = this.getTenantId();
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if (username == null || username.isEmpty()) {
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return false;
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}
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try {
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//Check for admin users. If the user is an admin user we authorize the access to that device.
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status = isAdminUser(username, tenantId);
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} catch (UserStoreException e) {
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throw new DeviceAccessAuthorizationException("Unable to authorize the access to device : " +
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deviceIdentifier.getId() + " for the user : " + username, e);
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}
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//Check for device ownership. If the user is the owner of the device we allow the access.
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if (!status) {
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try {
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Device device = DeviceManagementDataHolder.getInstance().getDeviceManagementProvider().
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getDevice(deviceIdentifier);
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EnrolmentInfo enrolmentInfo = device.getEnrolmentInfo();
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if (enrolmentInfo != null && username.equalsIgnoreCase(enrolmentInfo.getOwner())) {
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status = true;
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}
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} catch (DeviceManagementException e) {
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throw new DeviceAccessAuthorizationException("Unable to authorize the access to device : " +
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deviceIdentifier.getId() + " for the user : " + username, e);
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}
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}
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return status;
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}
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@Override
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public DeviceAuthorizationResult isUserAuthorized(List<DeviceIdentifier> deviceIdentifiers) throws
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DeviceAccessAuthorizationException {
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boolean status;
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DeviceAuthorizationResult deviceAuthorizationResult = new DeviceAuthorizationResult();
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String username = this.getUserName();
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int tenantId = this.getTenantId();
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if (username == null || username.isEmpty()) {
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return deviceAuthorizationResult;
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}
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try {
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//Check for admin users. If the user is an admin user we authorize the access to that device.
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status = isAdminUser(username, tenantId);
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} catch (UserStoreException e) {
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throw new DeviceAccessAuthorizationException("Unable to authorize the access to devices for the user : " +
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username, e);
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}
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//Check for device ownership. If the user is the owner of the device we allow the access.
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if (!status) {
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try {
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//Get the list of devices of the user
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List<Device> devicesOfUser = DeviceManagementDataHolder.getInstance().getDeviceManagementProvider().
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getDevicesOfUser(username);
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//Convert device-list to a Map
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Map<String, String> ownershipData = this.getOwnershipOfDevices(devicesOfUser);
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for (DeviceIdentifier deviceIdentifier : deviceIdentifiers) {
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if (ownershipData.containsKey(deviceIdentifier.getId())) {
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deviceAuthorizationResult.addAuthorizedDevice(deviceIdentifier);
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} else {
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deviceAuthorizationResult.addUnauthorizedDevice(deviceIdentifier);
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}
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}
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} catch (DeviceManagementException e) {
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throw new DeviceAccessAuthorizationException("Unable to authorize the access to devices for the user : "
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+ username, e);
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}
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} else {
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deviceAuthorizationResult.setAuthorizedDevices(deviceIdentifiers);
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}
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return deviceAuthorizationResult;
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}
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@Override
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public boolean isUserAuthorized(DeviceIdentifier deviceIdentifier, String username)
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throws DeviceAccessAuthorizationException {
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boolean status;
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int tenantId = this.getTenantId();
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if (username == null || username.isEmpty()) {
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return false;
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}
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try {
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//Check for admin users. If the user is an admin user we authorize the access to that device.
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status = isAdminUser(username, tenantId);
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} catch (UserStoreException e) {
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throw new DeviceAccessAuthorizationException("Unable to authorize the access to device : " +
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deviceIdentifier.getId() + " for the user : " + username, e);
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}
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//Check for device ownership. If the user is the owner of the device we allow the access.
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if (!status) {
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try {
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Device device = DeviceManagementDataHolder.getInstance().getDeviceManagementProvider().
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getDevice(deviceIdentifier);
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EnrolmentInfo enrolmentInfo = device.getEnrolmentInfo();
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if (enrolmentInfo != null && username.equalsIgnoreCase(enrolmentInfo.getOwner())) {
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status = true;
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}
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} catch (DeviceManagementException e) {
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throw new DeviceAccessAuthorizationException("Unable to authorize the access to device : " +
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deviceIdentifier.getId() + " for the user : " + username, e);
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}
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}
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return status;
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}
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@Override
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public DeviceAuthorizationResult isUserAuthorized(List<DeviceIdentifier> deviceIdentifiers, String username)
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throws DeviceAccessAuthorizationException {
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boolean status;
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int tenantId = this.getTenantId();
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DeviceAuthorizationResult deviceAuthorizationResult = new DeviceAuthorizationResult();
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if (username == null || username.isEmpty()) {
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return null;
|
||||||
|
}
|
||||||
|
try {
|
||||||
|
//Check for admin users. If the user is an admin user we authorize the access to that device.
|
||||||
|
status = isAdminUser(username, tenantId);
|
||||||
|
} catch (UserStoreException e) {
|
||||||
|
throw new DeviceAccessAuthorizationException("Unable to authorize the access to devices for the user : " +
|
||||||
|
username, e);
|
||||||
|
}
|
||||||
|
//Check for device ownership. If the user is the owner of the device we allow the access.
|
||||||
|
if (!status) {
|
||||||
|
try {
|
||||||
|
Device device;
|
||||||
|
EnrolmentInfo enrolmentInfo;
|
||||||
|
for (DeviceIdentifier deviceIdentifier : deviceIdentifiers) {
|
||||||
|
device = DeviceManagementDataHolder.getInstance().getDeviceManagementProvider().
|
||||||
|
getDevice(deviceIdentifier);
|
||||||
|
enrolmentInfo = device.getEnrolmentInfo();
|
||||||
|
if (enrolmentInfo != null && username.equalsIgnoreCase(enrolmentInfo.getOwner())) {
|
||||||
|
deviceAuthorizationResult.addAuthorizedDevice(deviceIdentifier);
|
||||||
|
} else {
|
||||||
|
deviceAuthorizationResult.addUnauthorizedDevice(deviceIdentifier);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} catch (DeviceManagementException e) {
|
||||||
|
throw new DeviceAccessAuthorizationException("Unable to authorize the access to devices for the user : "
|
||||||
|
+ username, e);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
deviceAuthorizationResult.setAuthorizedDevices(deviceIdentifiers);
|
||||||
|
}
|
||||||
|
return deviceAuthorizationResult;
|
||||||
|
}
|
||||||
|
|
||||||
|
private boolean isAdminUser(String username, int tenantId) throws UserStoreException {
|
||||||
|
UserRealm userRealm = DeviceManagementDataHolder.getInstance().getRealmService().getTenantUserRealm(tenantId);
|
||||||
|
if (userRealm != null && userRealm.getAuthorizationManager() != null) {
|
||||||
|
return userRealm.getAuthorizationManager()
|
||||||
|
.isUserAuthorized(username, PermissionUtils.getAbsolutePermissionPath(EMM_ADMIN_PERMISSION),
|
||||||
|
PermissionMethod.UI_EXECUTE);
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
private String getUserName() {
|
||||||
|
String username = PrivilegedCarbonContext.getThreadLocalCarbonContext().getUsername();
|
||||||
|
String tenantDomain = MultitenantUtils.getTenantDomain(username);
|
||||||
|
if (username.endsWith(tenantDomain)) {
|
||||||
|
return username.substring(0, username.lastIndexOf("@"));
|
||||||
|
}
|
||||||
|
return username;
|
||||||
|
}
|
||||||
|
|
||||||
|
private int getTenantId() {
|
||||||
|
return PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
|
||||||
|
}
|
||||||
|
|
||||||
|
private boolean addAdminPermissionToRegistry() throws PermissionManagementException {
|
||||||
|
Permission permission = new Permission();
|
||||||
|
permission.setPath(PermissionUtils.getAbsolutePermissionPath(EMM_ADMIN_PERMISSION));
|
||||||
|
return PermissionUtils.putPermission(permission);
|
||||||
|
}
|
||||||
|
|
||||||
|
private Map<String, String> getOwnershipOfDevices(List<Device> devices) {
|
||||||
|
Map<String, String> ownershipData = new HashMap<>();
|
||||||
|
EnrolmentInfo enrolmentInfo;
|
||||||
|
String owner;
|
||||||
|
for (Device device : devices) {
|
||||||
|
enrolmentInfo = device.getEnrolmentInfo();
|
||||||
|
if (enrolmentInfo != null) {
|
||||||
|
owner = enrolmentInfo.getOwner();
|
||||||
|
if (owner != null && !owner.isEmpty()) {
|
||||||
|
ownershipData.put(device.getDeviceIdentifier(), owner);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return ownershipData;
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in new issue