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added UI output adapter

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revert-dabc3590
ayyoob 9 years ago
parent 280bea758b
commit b7748b0001
26 changed files with 2256 additions and 2 deletions
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78
components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.output.adapter.ui.endpoint/pom.xml
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<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
~
~ WSO2 Inc. licenses this file to you under the Apache License,
~ Version 2.0 (the "License"); you may not use this file except
~ in compliance with the License.
~ You may obtain a copy of the License at
~
~ http://www.apache.org/licenses/LICENSE-2.0
~
~ Unless required by applicable law or agreed to in writing,
~ software distributed under the License is distributed on an
~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
~ KIND, either express or implied. See the License for the
~ specific language governing permissions and limitations
~ under the License.
-->
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<parent>
<artifactId>iot-base-plugin</artifactId>
<groupId>org.wso2.carbon.devicemgt-plugins</groupId>
<version>2.1.1-SNAPSHOT</version>
<relativePath>../pom.xml</relativePath>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>org.wso2.carbon.device.mgt.iot.output.adapter.ui.endpoint</artifactId>
<packaging>war</packaging>
<name>WSO2 - Webapp for UI Output Event Adapter</name>
<url>http://wso2.org</url>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-websocket-api</artifactId>
</dependency>
<dependency>
<groupId>org.wso2.carbon.devicemgt-plugins</groupId>
<artifactId>org.wso2.carbon.device.mgt.iot.output.adapter.ui</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.ws.rs</groupId>
<artifactId>javax.ws.rs-api</artifactId>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-frontend-jaxrs</artifactId>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents.wso2</groupId>
<artifactId>httpcore</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.wso2.orbit.org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.wso2.carbon.identity</groupId>
<artifactId>org.wso2.carbon.identity.oauth.stub</artifactId>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<finalName>secured-outputui</finalName>
</build>
</project>

73
components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.output.adapter.ui.endpoint/src/main/java/SubscriptionEndpoint.java
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/*
*
* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import util.ServiceHolder;
import javax.websocket.CloseReason;
import javax.websocket.Session;
/**
* Interface for subscription and un-subscription for web socket
*/
public class SubscriptionEndpoint {
private static final Log log = LogFactory.getLog(SubscriptionEndpoint.class);
public SubscriptionEndpoint() {
}
/**
* Web socket onClose - Remove the registered sessions
*
* @param session - Users registered session.
* @param reason - Status code for web-socket close.
* @param streamName - StreamName extracted from the ws url.
* @param version - Version extracted from the ws url.
*/
public void onClose(Session session, CloseReason reason, String streamName, String version) {
if (log.isDebugEnabled()) {
log.debug("Closing a WebSocket due to " + reason.getReasonPhrase() + ", for session ID:" + session.getId
() +
", for request URI - " + session.getRequestURI());
}
ServiceHolder.getInstance().getUiOutputCallbackControllerService().unsubscribeWebsocket(streamName, version,
session);
}
/**
* Web socket onError - Remove the registered sessions
*
* @param session - Users registered session.
* @param throwable - Status code for web-socket close.
* @param streamName - StreamName extracted from the ws url.
* @param version - Version extracted from the ws url.
*/
public void onError(Session session, Throwable throwable, String streamName, String version) {
log.error(
"Error occurred in session ID: " + session.getId() + ", for request URI - " + session.getRequestURI() +
", " + throwable.getMessage(), throwable);
ServiceHolder.getInstance().getUiOutputCallbackControllerService().unsubscribeWebsocket(streamName, version,
session);
}
}

134
components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.output.adapter.ui.endpoint/src/main/java/SuperTenantSubscriptionEndpoint.java
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/*
* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import oauth.OAuthTokenValdiator;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.context.PrivilegedCarbonContext;
import util.ServiceHolder;
import org.wso2.carbon.utils.multitenancy.MultitenantConstants;
import util.AuthenticationInfo;
import javax.websocket.CloseReason;
import javax.websocket.OnClose;
import javax.websocket.OnError;
import javax.websocket.OnMessage;
import javax.websocket.OnOpen;
import javax.websocket.Session;
import javax.websocket.server.PathParam;
import javax.websocket.server.ServerEndpoint;
import java.io.IOException;
/**
* Connect to web socket with Super tenant
*/
@ServerEndpoint(value = "/{streamname}/{version}")
public class SuperTenantSubscriptionEndpoint extends SubscriptionEndpoint {
private static final Log log = LogFactory.getLog(SuperTenantSubscriptionEndpoint.class);
/**
* Web socket onOpen - When client sends a message
*
* @param session - Users registered session.
* @param streamName - StreamName extracted from the ws url.
* @param version - Version extracted from the ws url.
*/
@OnOpen
public void onOpen(Session session, @PathParam("streamname") String streamName,
@PathParam("version") String version) {
if (log.isDebugEnabled()) {
log.debug("WebSocket opened, for Session id: " + session.getId() + ", for the Stream:" + streamName);
}
AuthenticationInfo authenticationInfo = OAuthTokenValdiator.getInstance().validateToken(session);
//TODO Authorization
if (authenticationInfo != null && authenticationInfo.isAuthenticated()) {
try {
PrivilegedCarbonContext.startTenantFlow();
PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantId(MultitenantConstants.SUPER_TENANT_ID);
ServiceHolder.getInstance().getUiOutputCallbackControllerService().subscribeWebsocket(streamName,
version, session);
} finally {
PrivilegedCarbonContext.endTenantFlow();
}
} else {
try {
session.close(new CloseReason(CloseReason.CloseCodes.CANNOT_ACCEPT, "Unauthorized Access"));
} catch (IOException e) {
log.error("Failed to disconnect the unauthorized client.");
}
}
}
/**
* Web socket onMessage - When client sens a message
*
* @param session - Users registered session.
* @param message - Status code for web-socket close.
* @param streamName - StreamName extracted from the ws url.
*/
@OnMessage
public void onMessage(Session session, String message, @PathParam("streamname") String streamName) {
if (log.isDebugEnabled()) {
log.debug("Received and dropped message from client. Message: " + message + ", " +
"for Session id: " + session.getId() + ", for the Stream:" + streamName);
}
}
/**
* Web socket onClose - Remove the registered sessions
*
* @param session - Users registered session.
* @param reason - Status code for web-socket close.
* @param streamName - StreamName extracted from the ws url.
* @param version - Version extracted from the ws url.
*/
@OnClose
public void onClose(Session session, CloseReason reason, @PathParam("streamname") String streamName,
@PathParam("version") String version) {
try {
PrivilegedCarbonContext.startTenantFlow();
PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantId(MultitenantConstants.SUPER_TENANT_ID);
super.onClose(session, reason, streamName, version);
} finally {
PrivilegedCarbonContext.endTenantFlow();
}
}
/**
* Web socket onError - Remove the registered sessions
*
* @param session - Users registered session.
* @param throwable - Status code for web-socket close.
* @param streamName - StreamName extracted from the ws url.
* @param version - Version extracted from the ws url.
*/
@OnError
public void onError(Session session, Throwable throwable, @PathParam("streamname") String streamName,
@PathParam("version") String version) {
try {
PrivilegedCarbonContext.startTenantFlow();
PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantId(MultitenantConstants.SUPER_TENANT_ID);
super.onError(session, throwable, streamName, version);
} finally {
PrivilegedCarbonContext.endTenantFlow();
}
}
}

134
components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.output.adapter.ui.endpoint/src/main/java/TenantSubscriptionEndpoint.java
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/*
* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import oauth.OAuthTokenValdiator;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.context.PrivilegedCarbonContext;
import util.ServiceHolder;
import util.AuthenticationInfo;
import javax.websocket.CloseReason;
import javax.websocket.OnClose;
import javax.websocket.OnError;
import javax.websocket.OnMessage;
import javax.websocket.OnOpen;
import javax.websocket.Session;
import javax.websocket.server.PathParam;
import javax.websocket.server.ServerEndpoint;
import java.io.IOException;
/**
* Connect to web socket with a tenant
*/
@ServerEndpoint(value = "/t/{tdomain}/{streamname}/{version}")
public class TenantSubscriptionEndpoint extends SubscriptionEndpoint {
private static final Log log = LogFactory.getLog(TenantSubscriptionEndpoint.class);
/**
* Web socket onOpen - When client sends a message
*
* @param session - Users registered session.
* @param streamName - StreamName extracted from the ws url.
* @param version - Version extracted from the ws url.
* @param tdomain - Tenant domain extracted from ws url.
*/
@OnOpen
public void onOpen (Session session, @PathParam("streamname") String streamName ,
@PathParam("version") String version, @PathParam("tdomain") String tdomain) {
if (log.isDebugEnabled()) {
log.debug("WebSocket opened, for Session id: "+session.getId()+", for the Stream:"+streamName);
}
AuthenticationInfo authenticationInfo = OAuthTokenValdiator.getInstance().validateToken(session);
//TODO Authorization
if (authenticationInfo != null && authenticationInfo.isAuthenticated()) {
try {
PrivilegedCarbonContext.startTenantFlow();
PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantDomain(tdomain, true);
ServiceHolder.getInstance().getUiOutputCallbackControllerService().subscribeWebsocket(streamName,
version, session);
} finally {
PrivilegedCarbonContext.endTenantFlow();
}
} else {
try {
session.close(new CloseReason(CloseReason.CloseCodes.CANNOT_ACCEPT, "Unauthorized Access"));
} catch (IOException e) {
log.error("Failed to disconnect the unauthorized client.");
}
}
}
/**
* Web socket onMessage - When client sens a message
*
* @param session - Users registered session.
* @param message - Status code for web-socket close.
* @param streamName - StreamName extracted from the ws url.
*/
@OnMessage
public void onMessage (Session session, String message, @PathParam("streamname") String streamName, @PathParam("tdomain") String tdomain) {
if (log.isDebugEnabled()) {
log.debug("Received and dropped message from client. Message: " + message+", for Session id: "+session.getId()+", for tenant domain"+tdomain+", for the Adaptor:"+streamName);
}
}
/**
* Web socket onClose - Remove the registered sessions
*
* @param session - Users registered session.
* @param reason - Status code for web-socket close.
* @param streamName - StreamName extracted from the ws url.
* @param version - Version extracted from the ws url.
*/
@OnClose
public void onClose (Session session, CloseReason reason, @PathParam("streamname") String streamName,
@PathParam("version") String version, @PathParam("tdomain") String tdomain) {
try {
PrivilegedCarbonContext.getThreadLocalCarbonContext().startTenantFlow();
PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantDomain(tdomain,true);
super.onClose(session, reason, streamName, version);
} finally {
PrivilegedCarbonContext.getThreadLocalCarbonContext().endTenantFlow();
}
}
/**
* Web socket onError - Remove the registered sessions
*
* @param session - Users registered session.
* @param throwable - Status code for web-socket close.
* @param streamName - StreamName extracted from the ws url.
* @param version - Version extracted from the ws url.
*/
@OnError
public void onError (Session session, Throwable throwable, @PathParam("streamname") String streamName,
@PathParam("version") String version, @PathParam("tdomain") String tdomain) {
try {
PrivilegedCarbonContext.getThreadLocalCarbonContext().startTenantFlow();
PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantDomain(tdomain, true);
super.onError(session, throwable, streamName, version);
} finally {
PrivilegedCarbonContext.getThreadLocalCarbonContext().endTenantFlow();
}
}
}

205
components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.output.adapter.ui.endpoint/src/main/java/oauth/OAuthTokenValdiator.java
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/*
* Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and limitations under the License.
*
*/
package oauth;
import org.apache.axis2.context.ServiceContext;
import org.apache.axis2.transport.http.HTTPConstants;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.pool.impl.GenericObjectPool;
import org.wso2.carbon.identity.oauth2.stub.OAuth2TokenValidationServiceStub;
import org.wso2.carbon.identity.oauth2.stub.dto.OAuth2TokenValidationRequestDTO;
import org.wso2.carbon.identity.oauth2.stub.dto.OAuth2TokenValidationRequestDTO_OAuth2AccessToken;
import org.wso2.carbon.identity.oauth2.stub.dto.OAuth2TokenValidationResponseDTO;
import org.wso2.carbon.user.api.UserStoreException;
import org.wso2.carbon.utils.CarbonUtils;
import org.wso2.carbon.utils.multitenancy.MultitenantUtils;
import util.AuthenticationInfo;
import javax.websocket.Session;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.rmi.RemoteException;
import java.util.Properties;
/**
* This acts as a contract point for OAuth token validation.
*/
public class OAuthTokenValdiator {
private static String cookie;
private GenericObjectPool stubs;
private static Log log = LogFactory.getLog(OAuthTokenValdiator.class);
private static final String WEBSOCKET_CONFIG_LOCATION =
CarbonUtils.getEtcCarbonConfigDirPath() + File.separator + "websocket-validation.properties";
private static final String QUERY_STRING_SEPERATOR = "&";
private static final String QUERY_KEY_VALUE_SEPERATOR = "=";
private static final String TOKEN_TYPE = "bearer";
private static final String TOKEN_IDENTIFIER = "token";
private static OAuthTokenValdiator oAuthTokenValdiator;
public static OAuthTokenValdiator getInstance() {
if (oAuthTokenValdiator == null) {
synchronized (OAuthTokenValdiator.class) {
if (oAuthTokenValdiator == null) {
oAuthTokenValdiator = new OAuthTokenValdiator();
}
}
}
return oAuthTokenValdiator;
}
private OAuthTokenValdiator() {
try {
Properties properties = getWebSocketConfig();
this.stubs = new GenericObjectPool(new OAuthTokenValidaterStubFactory(properties));
} catch (IOException e) {
log.error("Failed to parse the web socket config file " + WEBSOCKET_CONFIG_LOCATION);
}
}
/**
* This method gets a string accessToken and validates it
*
* @param session which need to be validated.
* @return AuthenticationInfo with the validated results.
*/
public AuthenticationInfo validateToken(Session session) {
String token = getTokenFromSession(session);
if (token == null) {
AuthenticationInfo authenticationInfo = new AuthenticationInfo();
authenticationInfo.setAuthenticated(false);
return authenticationInfo;
}
OAuth2TokenValidationServiceStub tokenValidationServiceStub = null;
try {
Object stub = this.stubs.borrowObject();
if (stub != null) {
tokenValidationServiceStub = (OAuth2TokenValidationServiceStub) stub;
if (cookie != null) {
tokenValidationServiceStub._getServiceClient().getOptions().setProperty(
HTTPConstants.COOKIE_STRING, cookie);
}
return getAuthenticationInfo(token, tokenValidationServiceStub);
} else {
log.warn("Stub initialization failed.");
}
} catch (RemoteException e) {
log.error("Error on connecting with the validation endpoint.", e);
} catch (Exception e) {
log.error("Error occurred in borrowing an validation stub from the pool.", e);
} finally {
try {
if (tokenValidationServiceStub != null) {
this.stubs.returnObject(tokenValidationServiceStub);
}
} catch (Exception e) {
log.warn("Error occurred while returning the object back to the oauth token validation service " +
"stub pool.", e);
}
}
AuthenticationInfo authenticationInfo = new AuthenticationInfo();
authenticationInfo.setAuthenticated(false);
return authenticationInfo;
}
/**
* This creates an AuthenticationInfo object that is used for authorization. This method will validate the token
* and
* sets the required parameters to the object.
*
* @param token that needs to be validated.
* @param tokenValidationServiceStub stub that is used to call the external service.
* @return AuthenticationInfo This contains the information related to authenticated client.
* @throws RemoteException that triggers when failing to call the external service..
*/
private AuthenticationInfo getAuthenticationInfo(String token,
OAuth2TokenValidationServiceStub tokenValidationServiceStub)
throws RemoteException, UserStoreException {
AuthenticationInfo authenticationInfo = new AuthenticationInfo();
OAuth2TokenValidationRequestDTO validationRequest = new OAuth2TokenValidationRequestDTO();
OAuth2TokenValidationRequestDTO_OAuth2AccessToken accessToken =
new OAuth2TokenValidationRequestDTO_OAuth2AccessToken();
accessToken.setTokenType(TOKEN_TYPE);
accessToken.setIdentifier(token);
validationRequest.setAccessToken(accessToken);
boolean authenticated;
OAuth2TokenValidationResponseDTO tokenValidationResponse;
tokenValidationResponse = tokenValidationServiceStub.validate(validationRequest);
if (tokenValidationResponse == null) {
authenticationInfo.setAuthenticated(false);
return authenticationInfo;
}
authenticated = tokenValidationResponse.getValid();
if (authenticated) {
String authorizedUser = tokenValidationResponse.getAuthorizedUser();
String username = MultitenantUtils.getTenantAwareUsername(authorizedUser);
String tenantDomain = MultitenantUtils.getTenantDomain(authorizedUser);
authenticationInfo.setUsername(username);
authenticationInfo.setTenantDomain(tenantDomain);
} else {
if (log.isDebugEnabled()) {
log.debug("Token validation failed for token: " + token);
}
}
ServiceContext serviceContext = tokenValidationServiceStub._getServiceClient()
.getLastOperationContext().getServiceContext();
cookie = (String) serviceContext.getProperty(HTTPConstants.COOKIE_STRING);
authenticationInfo.setAuthenticated(authenticated);
return authenticationInfo;
}
/**
* Retrieve JWT configs from registry.
*/
private Properties getWebSocketConfig() throws IOException {
Properties properties = new Properties();
File configFile =new File(WEBSOCKET_CONFIG_LOCATION);
if (configFile.exists()) {
InputStream fileInputStream = new FileInputStream(configFile);
if (fileInputStream != null) {
properties.load(fileInputStream);
}
}
return properties;
}
/**
* @param session of the user.
* @return retreive the token from the query string
*/
private String getTokenFromSession(Session session) {
String queryString = session.getQueryString();
if (queryString != null) {
String[] allQueryParamPairs = queryString.split(QUERY_STRING_SEPERATOR);
for (String keyValuePair : allQueryParamPairs) {
String[] queryParamPair = keyValuePair.split(QUERY_KEY_VALUE_SEPERATOR);
if (queryParamPair.length != 2) {
log.warn("Invalid query string [" + queryString + "] passed in.");
break;
}
if (queryParamPair[0].equals(TOKEN_IDENTIFIER)) {
return queryParamPair[1];
}
}
}
return null;
}
}

177
components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.output.adapter.ui.endpoint/src/main/java/oauth/OAuthTokenValidaterStubFactory.java
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/*
* Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package oauth;
import oauth.exception.OAuthTokenValidationException;
import org.apache.axis2.AxisFault;
import org.apache.axis2.Constants;
import org.apache.axis2.client.Options;
import org.apache.axis2.client.ServiceClient;
import org.apache.axis2.transport.http.HTTPConstants;
import org.apache.axis2.transport.http.HttpTransportProperties;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpConnectionManager;
import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
import org.apache.commons.httpclient.contrib.ssl.EasySSLProtocolSocketFactory;
import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
import org.apache.commons.httpclient.protocol.Protocol;
import org.apache.commons.httpclient.protocol.ProtocolSocketFactory;
import org.apache.commons.pool.BasePoolableObjectFactory;
import org.apache.log4j.Logger;
import org.wso2.carbon.identity.oauth2.stub.OAuth2TokenValidationServiceStub;
import util.UIConstants;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.GeneralSecurityException;
import java.util.Properties;
/**
* This follows object pool pattern to manage the stub for oauth validation service.
*/
public class OAuthTokenValidaterStubFactory extends BasePoolableObjectFactory {
private static final Logger log = Logger.getLogger(OAuthTokenValidaterStubFactory.class);
private HttpClient httpClient;
Properties tokenValidationProperties;
public OAuthTokenValidaterStubFactory(Properties tokenValidationProperties) {
this.tokenValidationProperties = tokenValidationProperties;
this.httpClient = createHttpClient();
}
/**
* This creates a OAuth2TokenValidationServiceStub object to the pool.
*
* @return an OAuthValidationStub object
* @throws Exception thrown when creating the object.
*/
@Override
public Object makeObject() throws Exception {
return this.generateStub();
}
/**
* This is used to clean up the OAuth validation stub and releases to the object pool.
*
* @param o object that needs to be released.
* @throws Exception throws when failed to release to the pool
*/
@Override
public void passivateObject(Object o) throws Exception {
if (o instanceof OAuth2TokenValidationServiceStub) {
OAuth2TokenValidationServiceStub stub = (OAuth2TokenValidationServiceStub) o;
stub._getServiceClient().cleanupTransport();
}
}
/**
* This is used to create a stub which will be triggered through object pool factory, which will create an
* instance of it.
*
* @return OAuth2TokenValidationServiceStub stub that is used to call an external service.
* @throws OAuthTokenValidationException will be thrown when initialization failed.
*/
private OAuth2TokenValidationServiceStub generateStub() throws OAuthTokenValidationException {
OAuth2TokenValidationServiceStub stub;
try {
URL hostURL = new URL(tokenValidationProperties.getProperty((UIConstants.TOKEN_VALIDATION_ENDPOINT_URL)));
if (hostURL != null) {
stub = new OAuth2TokenValidationServiceStub(hostURL.toString());
if (stub != null) {
ServiceClient client = stub._getServiceClient();
client.getServiceContext().getConfigurationContext().setProperty(
HTTPConstants.CACHED_HTTP_CLIENT, httpClient);
HttpTransportProperties.Authenticator auth =
new HttpTransportProperties.Authenticator();
auth.setPreemptiveAuthentication(true);
String username = tokenValidationProperties.getProperty(UIConstants.USERNAME);
String password = tokenValidationProperties.getProperty(UIConstants.PASSWORD);
auth.setPassword(username);
auth.setUsername(password);
Options options = client.getOptions();
options.setProperty(HTTPConstants.AUTHENTICATE, auth);
options.setProperty(HTTPConstants.REUSE_HTTP_CLIENT, Constants.VALUE_TRUE);
client.setOptions(options);
if (hostURL.getProtocol().equals("https")) {
// set up ssl factory since axis2 https transport is used.
EasySSLProtocolSocketFactory sslProtocolSocketFactory =
createProtocolSocketFactory();
Protocol authhttps = new Protocol(hostURL.getProtocol(),
(ProtocolSocketFactory) sslProtocolSocketFactory,
hostURL.getPort());
Protocol.registerProtocol(hostURL.getProtocol(), authhttps);
options.setProperty(HTTPConstants.CUSTOM_PROTOCOL_HANDLER, authhttps);
}
} else {
String errorMsg = "OAuth Validation instanization failed.";
throw new OAuthTokenValidationException(errorMsg);
}
} else {
String errorMsg = "host url is invalid";
throw new OAuthTokenValidationException(errorMsg);
}
} catch (AxisFault axisFault) {
throw new OAuthTokenValidationException(
"Error occurred while creating the OAuth2TokenValidationServiceStub.", axisFault);
} catch (MalformedURLException e) {
throw new OAuthTokenValidationException(
"Error occurred while parsing token endpoint URL", e);
}
return stub;
}
/**
* This is required to create a trusted connection with the external entity.
* Have to manually configure it since we use CommonHTTPTransport(axis2 transport) in axis2.
*
* @return an EasySSLProtocolSocketFactory for SSL communication.
*/
private EasySSLProtocolSocketFactory createProtocolSocketFactory() throws OAuthTokenValidationException {
try {
EasySSLProtocolSocketFactory easySSLPSFactory = new EasySSLProtocolSocketFactory();
return easySSLPSFactory;
} catch (IOException e) {
String errorMsg = "Failed to initiate EasySSLProtocolSocketFactory.";
throw new OAuthTokenValidationException(errorMsg, e);
} catch (GeneralSecurityException e) {
String errorMsg = "Failed to set the key material in easy ssl factory.";
throw new OAuthTokenValidationException(errorMsg, e);
}
}
/**
* This created httpclient pool that can be used to connect to external entity. This connection can be configured
* via broker.xml by setting up the required http connection parameters.
*
* @return an instance of HttpClient that is configured with MultiThreadedHttpConnectionManager
*/
private HttpClient createHttpClient() {
HttpConnectionManagerParams params = new HttpConnectionManagerParams();
params.setDefaultMaxConnectionsPerHost(Integer.parseInt(tokenValidationProperties.getProperty(
UIConstants.MAXIMUM_HTTP_CONNECTION_PER_HOST)));
params.setMaxTotalConnections(Integer.parseInt(tokenValidationProperties.getProperty(
UIConstants.MAXIMUM_TOTAL_HTTP_CONNECTION)));
HttpConnectionManager connectionManager = new MultiThreadedHttpConnectionManager();
connectionManager.setParams(params);
return new HttpClient(connectionManager);
}
}

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/*
* Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package oauth.exception;
/**
* This Exception will be thrown, when there any interference with token validation flow.
*/
public class OAuthTokenValidationException extends Exception {
private String errMessage;
public OAuthTokenValidationException(String msg, Exception nestedEx) {
super(msg, nestedEx);
setErrorMessage(msg);
}
public OAuthTokenValidationException(String message, Throwable cause) {
super(message, cause);
setErrorMessage(message);
}
public OAuthTokenValidationException(String msg) {
super(msg);
setErrorMessage(msg);
}
public OAuthTokenValidationException() {
super();
}
public OAuthTokenValidationException(Throwable cause) {
super(cause);
}
public String getErrorMessage() {
return errMessage;
}
public void setErrorMessage(String errMessage) {
this.errMessage = errMessage;
}
}

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/*
* Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and limitations under the License.
*
*/
package util;
/**
* This is returned after authentication.
*/
public class AuthenticationInfo {
/**
* this variable is used to check whether the client is authenticated.
*/
private boolean authenticated;
private String username;
private String tenantDomain;
/**
* returns whether the client is authenticated
*/
public boolean isAuthenticated() {
return authenticated;
}
public void setAuthenticated(boolean authenticated) {
this.authenticated = authenticated;
}
/**
* returns the authenticated client username
*/
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
/**
* return the authenticated client tenant domain
*/
public String getTenantDomain() {
return tenantDomain;
}
public void setTenantDomain(String tenantDomain) {
this.tenantDomain = tenantDomain;
}
}

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package util;
import org.wso2.carbon.context.PrivilegedCarbonContext;
import org.wso2.carbon.device.mgt.iot.output.adapter.ui.UIOutputCallbackControllerService;
public class ServiceHolder {
private static ServiceHolder instance;
private UIOutputCallbackControllerService uiOutputCallbackControllerService;
private ServiceHolder(){
uiOutputCallbackControllerService = (UIOutputCallbackControllerService) PrivilegedCarbonContext
.getThreadLocalCarbonContext().getOSGiService(UIOutputCallbackControllerService.class, null);
}
public synchronized static ServiceHolder getInstance(){
if (instance==null){
instance= new ServiceHolder();
}
return instance;
}
public UIOutputCallbackControllerService getUiOutputCallbackControllerService() {
return uiOutputCallbackControllerService;
}
}

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/*
*
* *
* * Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
* *
* * WSO2 Inc. licenses this file to you under the Apache License,
* * Version 2.0 (the "License"); you may not use this file except
* * in compliance with the License.
* * You may obtain a copy of the License at
* *
* * http://www.apache.org/licenses/LICENSE-2.0
* *
* * Unless required by applicable law or agreed to in writing,
* * software distributed under the License is distributed on an
* * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* * KIND, either express or implied. See the License for the
* * specific language governing permissions and limitations
* * under the License.
* *
*
*/
package util;
/**
* This class contains the constants related to ui client.
*/
public class UIConstants {
private UIConstants() {
}
public static final String ADAPTER_UI_COLON = ":";
public static final String MAXIMUM_TOTAL_HTTP_CONNECTION = "maximumTotalHttpConnection";
public static final String MAXIMUM_HTTP_CONNECTION_PER_HOST = "maximumHttpConnectionPerHost";
public static final String TOKEN_VALIDATION_ENDPOINT_URL = "tokenValidationEndpoint";
public static final String USERNAME = "username";
public static final String PASSWORD = "password";
}

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<!--
~ Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
~
~ WSO2 Inc. licenses this file to you under the Apache License,
~ Version 2.0 (the "License"); you may not use this file except
~ in compliance with the License.
~ You may obtain a copy of the License at
~
~ http://www.apache.org/licenses/LICENSE-2.0
~
~ Unless required by applicable law or agreed to in writing,
~ software distributed under the License is distributed on an
~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
~ KIND, either express or implied. See the License for the
~ specific language governing permissions and limitations
~ under the License.
-->
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
<display-name>Output WebSocket</display-name>
</web-app>

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<?xml version="1.0" encoding="utf-8"?>
<!--
~ Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
~
~ WSO2 Inc. licenses this file to you under the Apache License,
~ Version 2.0 (the "License"); you may not use this file except
~ in compliance with the License.
~ You may obtain a copy of the License at
~
~ http://www.apache.org/licenses/LICENSE-2.0
~
~ Unless required by applicable law or agreed to in writing,
~ software distributed under the License is distributed on an
~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
~ KIND, either express or implied. See the License for the
~ specific language governing permissions and limitations
~ under the License.
-->
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<parent>
<artifactId>iot-base-plugin</artifactId>
<groupId>org.wso2.carbon.devicemgt-plugins</groupId>
<version>2.1.1-SNAPSHOT</version>
<relativePath>../pom.xml</relativePath>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>org.wso2.carbon.device.mgt.iot.output.adapter.ui</artifactId>
<packaging>bundle</packaging>
<name>WSO2 Carbon - Event Output UI Adapter Module</name>
<description>org.wso2.carbon.event.output.adapter.ui provides the back-end functionality of
ui event adapter
</description>
<url>http://wso2.org</url>
<dependencies>
<dependency>
<groupId>org.wso2.carbon.analytics-common</groupId>
<artifactId>org.wso2.carbon.event.output.adapter.core</artifactId>
</dependency>
<dependency>
<groupId>org.wso2.carbon</groupId>
<artifactId>org.wso2.carbon.logging</artifactId>
</dependency>
<dependency>
<groupId>org.wso2.carbon</groupId>
<artifactId>org.wso2.carbon.core</artifactId>
</dependency>
<dependency>
<groupId>javax.websocket</groupId>
<artifactId>javax.websocket-api</artifactId>
</dependency>
<dependency>
<groupId>org.wso2.carbon.analytics-common</groupId>
<artifactId>org.wso2.carbon.databridge.commons</artifactId>
</dependency>
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
</dependency>
<dependency>
<groupId>org.wso2.carbon.analytics-common</groupId>
<artifactId>org.wso2.carbon.event.stream.core</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-scr-plugin</artifactId>
<executions>
<execution>
<id>generate-scr-descriptor</id>
<goals>
<goal>scr</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<extensions>true</extensions>
<configuration>
<instructions>
<Bundle-SymbolicName>${project.artifactId}</Bundle-SymbolicName>
<Bundle-Name>${project.artifactId}</Bundle-Name>
<Private-Package>
org.wso2.carbon.device.mgt.iot.output.adapter.ui.internal,
org.wso2.carbon.device.mgt.iot.output.adapter.ui.internal.*
</Private-Package>
<Export-Package>
!org.wso2.carbon.device.mgt.iot.output.adapter.ui.internal,
!org.wso2.carbon.device.mgt.iot.output.adapter.ui.internal.*,
org.wso2.carbon.device.mgt.iot.output.adapter.ui.*
</Export-Package>
<Import-Package>
org.wso2.carbon.event.output.adapter.core.*,
javax.xml.namespace; version=0.0.0,
org.apache.axis2,
org.apache.axis2.client,
org.apache.axis2.context,
org.apache.axis2.transport.http,
org.apache.commons.httpclient,
org.apache.commons.httpclient.contrib.ssl,
org.apache.commons.httpclient.params,
org.apache.commons.httpclient.protocol,
org.apache.commons.pool,
org.apache.commons.pool.impl,
org.apache.log4j,
com.google.gson,
javax.websocket,
org.apache.commons.logging,
org.osgi.framework,
org.osgi.service.component,
org.wso2.carbon.context,
org.wso2.carbon.databridge.commons,
org.wso2.carbon.event.stream.core,
org.wso2.carbon.event.stream.core.exception,
org.wso2.carbon.utils
</Import-Package>
</instructions>
</configuration>
</plugin>
</plugins>
</build>
</project>

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/*
*
* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.wso2.carbon.device.mgt.iot.output.adapter.ui;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.context.CarbonContext;
import org.wso2.carbon.context.PrivilegedCarbonContext;
import org.wso2.carbon.databridge.commons.Attribute;
import org.wso2.carbon.databridge.commons.Event;
import org.wso2.carbon.databridge.commons.StreamDefinition;
import org.wso2.carbon.device.mgt.iot.output.adapter.ui.internal.UIEventAdaptorServiceDataHolder;
import org.wso2.carbon.device.mgt.iot.output.adapter.ui.util.UIEventAdapterConstants;
import org.wso2.carbon.event.output.adapter.core.EventAdapterUtil;
import org.wso2.carbon.event.output.adapter.core.OutputEventAdapter;
import org.wso2.carbon.event.output.adapter.core.OutputEventAdapterConfiguration;
import org.wso2.carbon.event.output.adapter.core.exception.OutputEventAdapterException;
import org.wso2.carbon.event.output.adapter.core.exception.OutputEventAdapterRuntimeException;
import org.wso2.carbon.event.output.adapter.core.exception.TestConnectionNotSupportedException;
import org.wso2.carbon.device.mgt.iot.output.adapter.ui.util.WebSocketSessionUtil;
import org.wso2.carbon.event.stream.core.EventStreamService;
import org.wso2.carbon.event.stream.core.exception.EventStreamConfigurationException;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
/**
* Contains the life cycle of executions regarding the UI Adapter
*/
public class UIEventAdapter implements OutputEventAdapter {
private static final Log log = LogFactory.getLog(UIEventAdapter.class);
private OutputEventAdapterConfiguration eventAdapterConfiguration;
private Map<String, String> globalProperties;
private int queueSize;
private LinkedBlockingDeque<Object> streamSpecificEvents;
private static ThreadPoolExecutor executorService;
private int tenantId;
private boolean doLogDroppedMessage;
private String streamId;
private List<Attribute> streamMetaAttributes;
private List<Attribute> streamCorrelationAttributes;
private List<Attribute> streamPayloadAttributes;
public UIEventAdapter(OutputEventAdapterConfiguration eventAdapterConfiguration, Map<String,
String> globalProperties) {
this.eventAdapterConfiguration = eventAdapterConfiguration;
this.globalProperties = globalProperties;
this.doLogDroppedMessage = true;
}
@Override
public void init() throws OutputEventAdapterException {
tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
//ExecutorService will be assigned if it is null
if (executorService == null) {
int minThread;
int maxThread;
long defaultKeepAliveTime;
int jobQueSize;
//If global properties are available those will be assigned else constant values will be assigned
if (globalProperties.get(UIEventAdapterConstants.ADAPTER_MIN_THREAD_POOL_SIZE_NAME) != null) {
minThread = Integer.parseInt(globalProperties.get(
UIEventAdapterConstants.ADAPTER_MIN_THREAD_POOL_SIZE_NAME));
} else {
minThread = UIEventAdapterConstants.ADAPTER_MIN_THREAD_POOL_SIZE;
}
if (globalProperties.get(UIEventAdapterConstants.ADAPTER_MAX_THREAD_POOL_SIZE_NAME) != null) {
maxThread = Integer.parseInt(globalProperties.get(
UIEventAdapterConstants.ADAPTER_MAX_THREAD_POOL_SIZE_NAME));
} else {
maxThread = UIEventAdapterConstants.ADAPTER_MAX_THREAD_POOL_SIZE;
}
if (globalProperties.get(UIEventAdapterConstants.ADAPTER_KEEP_ALIVE_TIME_NAME) != null) {
defaultKeepAliveTime = Integer.parseInt(globalProperties.get(
UIEventAdapterConstants.ADAPTER_KEEP_ALIVE_TIME_NAME));
} else {
defaultKeepAliveTime = UIEventAdapterConstants.DEFAULT_KEEP_ALIVE_TIME_IN_MILLIS;
}
if (globalProperties.get(UIEventAdapterConstants.ADAPTER_EXECUTOR_JOB_QUEUE_SIZE_NAME) != null) {
jobQueSize = Integer.parseInt(globalProperties.get(
UIEventAdapterConstants.ADAPTER_EXECUTOR_JOB_QUEUE_SIZE_NAME));
} else {
jobQueSize = UIEventAdapterConstants.ADAPTER_EXECUTOR_JOB_QUEUE_SIZE;
}
executorService = new ThreadPoolExecutor(minThread, maxThread, defaultKeepAliveTime, TimeUnit.MILLISECONDS,
new LinkedBlockingQueue<Runnable>(jobQueSize));
}
streamId = eventAdapterConfiguration.getOutputStreamIdOfWso2eventMessageFormat();
if (streamId == null || streamId.isEmpty()) {
throw new OutputEventAdapterRuntimeException("UI event adapter needs a output stream id");
}
// fetch the "streamDefinition" corresponding to the "streamId" and then fetch the different attribute types
// of the streamDefinition corresponding to the event's streamId. They are required when validating values in
// the events against the streamDef attributes.
StreamDefinition streamDefinition = getStreamDefinition(streamId);
streamMetaAttributes = streamDefinition.getMetaData();
streamCorrelationAttributes = streamDefinition.getCorrelationData();
streamPayloadAttributes = streamDefinition.getPayloadData();
ConcurrentHashMap<Integer, ConcurrentHashMap<String, String>> tenantSpecifcEventOutputAdapterMap =
UIEventAdaptorServiceDataHolder.getTenantSpecificOutputEventStreamAdapterMap();
ConcurrentHashMap<String, String> streamSpecifAdapterMap = tenantSpecifcEventOutputAdapterMap.get(tenantId);
if (streamSpecifAdapterMap == null) {
streamSpecifAdapterMap = new ConcurrentHashMap<>();
if (null != tenantSpecifcEventOutputAdapterMap.putIfAbsent(tenantId, streamSpecifAdapterMap)) {
streamSpecifAdapterMap = tenantSpecifcEventOutputAdapterMap.get(tenantId);
}
}
String adapterName = streamSpecifAdapterMap.get(streamId);
if (adapterName != null) {
throw new OutputEventAdapterException(("An Output ui event adapter \"" + adapterName + "\" is already" +
" exist for stream id \"" + streamId + "\""));
} else {
streamSpecifAdapterMap.put(streamId, eventAdapterConfiguration.getName());
ConcurrentHashMap<Integer, ConcurrentHashMap<String, LinkedBlockingDeque<Object>>> tenantSpecificStreamMap =
UIEventAdaptorServiceDataHolder.getTenantSpecificStreamEventMap();
ConcurrentHashMap<String, LinkedBlockingDeque<Object>> streamSpecificEventsMap =
tenantSpecificStreamMap.get(tenantId);
if (streamSpecificEventsMap == null) {
streamSpecificEventsMap = new ConcurrentHashMap<>();
if (null != tenantSpecificStreamMap.putIfAbsent(tenantId, streamSpecificEventsMap)) {
streamSpecificEventsMap = tenantSpecificStreamMap.get(tenantId);
}
}
streamSpecificEvents = streamSpecificEventsMap.get(streamId);
if (streamSpecificEvents == null) {
streamSpecificEvents = new LinkedBlockingDeque<>();
if (null != streamSpecificEventsMap.putIfAbsent(streamId, streamSpecificEvents)) {
streamSpecificEvents = streamSpecificEventsMap.get(streamId);
}
}
}
if (globalProperties.get(UIEventAdapterConstants.ADAPTER_EVENT_QUEUE_SIZE_NAME) != null) {
try {
queueSize = Integer.parseInt(
globalProperties.get(UIEventAdapterConstants.ADAPTER_EVENT_QUEUE_SIZE_NAME));
} catch (NumberFormatException e) {
log.error("String does not have the appropriate format for conversion." + e.getMessage());
queueSize = UIEventAdapterConstants.EVENTS_QUEUE_SIZE;
}
} else {
queueSize = UIEventAdapterConstants.EVENTS_QUEUE_SIZE;
}
}
@Override
public void testConnect() throws TestConnectionNotSupportedException {
throw new TestConnectionNotSupportedException("Test connection is not available");
}
@Override
public void connect() {
//Not needed
}
@Override
public void publish(Object message, Map<String, String> dynamicProperties) {
Event event = (Event) message;
StringBuilder eventBuilder = new StringBuilder("[");
if (streamSpecificEvents.size() == queueSize) {
streamSpecificEvents.removeFirst();
}
eventBuilder.append(event.getTimeStamp());
if (event.getMetaData() != null) {
eventBuilder.append(",");
Object[] metaData = event.getMetaData();
for (int i = 0; i < metaData.length; i++) {
eventBuilder.append("\"");
eventBuilder.append(metaData[i]);
eventBuilder.append("\"");
if (i != (metaData.length - 1)) {
eventBuilder.append(",");
}
}
}
if (event.getCorrelationData() != null) {
Object[] correlationData = event.getCorrelationData();
eventBuilder.append(",");
for (int i = 0; i < correlationData.length; i++) {
eventBuilder.append("\"");
eventBuilder.append(correlationData[i]);
eventBuilder.append("\"");
if (i != (correlationData.length - 1)) {
eventBuilder.append(",");
}
}
}
if (event.getPayloadData() != null) {
Object[] payloadData = event.getPayloadData();
eventBuilder.append(",");
for (int i = 0; i < payloadData.length; i++) {
eventBuilder.append("\"");
eventBuilder.append(payloadData[i]);
eventBuilder.append("\"");
if (i != (payloadData.length - 1)) {
eventBuilder.append(",");
}
}
}
eventBuilder.append("]");
String eventString = eventBuilder.toString();
Object[] eventValues = new Object[UIEventAdapterConstants.INDEX_TWO];
eventValues[UIEventAdapterConstants.INDEX_ZERO] = eventString;
eventValues[UIEventAdapterConstants.INDEX_ONE] = System.currentTimeMillis();
streamSpecificEvents.add(eventValues);
// fetch all valid sessions checked against any queryParameters provided when subscribing.
CopyOnWriteArrayList<WebSocketSessionUtil> validSessions = getValidSessions(event);
try {
executorService.execute(new WebSocketSender(validSessions, eventString));
} catch (RejectedExecutionException e) {
EventAdapterUtil.logAndDrop(eventAdapterConfiguration.getName(), message, "Job queue is full", e, log,
tenantId);
}
}
@Override
public void disconnect() {
//Not needed
}
@Override
public void destroy() {
int tenantId = CarbonContext.getThreadLocalCarbonContext().getTenantId();
ConcurrentHashMap<String, String> tenantSpecificAdapterMap = UIEventAdaptorServiceDataHolder
.getTenantSpecificOutputEventStreamAdapterMap().get(tenantId);
if (tenantSpecificAdapterMap != null && streamId != null) {
tenantSpecificAdapterMap.remove(streamId); //Removing outputadapter and streamId
}
ConcurrentHashMap<String, LinkedBlockingDeque<Object>> tenantSpecificStreamEventMap =
UIEventAdaptorServiceDataHolder.getTenantSpecificStreamEventMap().get(tenantId);
if (tenantSpecificStreamEventMap != null && streamId != null) {
//Removing the streamId and events registered for the output adapter
tenantSpecificStreamEventMap.remove(streamId);
}
}
@Override
public boolean isPolled() {
return true;
}
/**
* Fetch the StreamDefinition corresponding to the given StreamId from the EventStreamService.
*
* @param streamId the streamId of this UIEventAdaptor.
* @return the "StreamDefinition" object corresponding to the streamId of this EventAdaptor.
* @throws OutputEventAdapterException if the "EventStreamService" OSGI service is unavailable/unregistered or if
* the matching Steam-Definition for the given StreamId cannot be retrieved.
*/
private StreamDefinition getStreamDefinition(String streamId) throws OutputEventAdapterException {
EventStreamService eventStreamService = UIEventAdaptorServiceDataHolder.getEventStreamService();
if (eventStreamService != null) {
try {
return eventStreamService.getStreamDefinition(streamId);
} catch (EventStreamConfigurationException e) {
String adaptorType = eventAdapterConfiguration.getType();
String adaptorName = eventAdapterConfiguration.getName();
String errorMsg = "Error while retrieving Stream-Definition for Stream with id [" + streamId + "] " +
"for Adaptor [" + adaptorName + "] of type [" + adaptorType + "].";
log.error(errorMsg);
throw new OutputEventAdapterException(errorMsg, e);
}
}
throw new OutputEventAdapterException(
"Could not retrieve the EventStreamService whilst trying to fetch the Stream-Definition of Stream " +
"with Id [" + streamId + "].");
}
/**
* Fetches all valid web-socket sessions from the entire pool of subscribed sessions. The validity is checked
* against any queryString provided when subscribing to the web-socket endpoint.
*
* @param event the current event received and that which needs to be published to subscribed sessions.
* @return a list of all validated web-socket sessions against the queryString values.
*/
private CopyOnWriteArrayList<WebSocketSessionUtil> getValidSessions(Event event) {
CopyOnWriteArrayList<WebSocketSessionUtil> validSessions = new CopyOnWriteArrayList<>();
UIOutputCallbackControllerServiceImpl uiOutputCallbackControllerServiceImpl =
UIEventAdaptorServiceDataHolder.getUIOutputCallbackRegisterServiceImpl();
// get all subscribed web-socket sessions.
CopyOnWriteArrayList<WebSocketSessionUtil> webSocketSessionUtils =
uiOutputCallbackControllerServiceImpl.getSessions(tenantId, streamId);
if (webSocketSessionUtils != null) {
for (WebSocketSessionUtil webSocketSessionUtil : webSocketSessionUtils) {
boolean isValidSession = validateEventAgainstSessionFilters(event, webSocketSessionUtil);
if (isValidSession) {
validSessions.add(webSocketSessionUtil);
}
}
}
return validSessions;
}
/**
* Processes the given session's validity to receive the current "event" against any queryParams that was used at
* the time when the web-socket-session is subscribed. This method can be extended to validate the event against
* any additional attribute of the given session too.
*
* @param event the current event received and that which needs to be published to subscribed
* sessions.
* @param webSocketSessionUtil the session which needs validated for its authenticity to receive this event.
* @return "true" if the session is valid to receive the event else "false".
*/
private boolean validateEventAgainstSessionFilters(Event event, WebSocketSessionUtil webSocketSessionUtil) {
// fetch the queryString Key:Value pair map of the given session.
Map<String, String> queryParamValuePairs = webSocketSessionUtil.getQueryParamValuePairs();
if (queryParamValuePairs != null) {
// fetch the different attribute values received as part of the current event.
Object[] eventMetaData = event.getMetaData();
Object[] eventCorrelationData = event.getCorrelationData();
Object[] eventPayloadData = event.getPayloadData();
if (streamMetaAttributes != null) {
for (int i = 0; i < streamMetaAttributes.size(); i++) {
String attributeName = streamMetaAttributes.get(i).getName();
String queryValue = queryParamValuePairs.get(attributeName);
if (queryValue != null &&
(eventMetaData == null || !eventMetaData[i].toString().equals(queryValue))) {
return false;
}
}
}
if (streamCorrelationAttributes != null) {
for (int i = 0; i < streamCorrelationAttributes.size(); i++) {
String attributeName = streamCorrelationAttributes.get(i).getName();
String queryValue = queryParamValuePairs.get(attributeName);
if (queryValue != null &&
(eventCorrelationData == null || !eventCorrelationData[i].toString().equals(queryValue))) {
return false;
}
}
}
if (streamPayloadAttributes != null) {
for (int i = 0; i < streamPayloadAttributes.size(); i++) {
String attributeName = streamPayloadAttributes.get(i).getName();
String queryValue = queryParamValuePairs.get(attributeName);
if (queryValue != null && (eventPayloadData == null || !eventPayloadData[i].toString().equals(
queryValue))) {
return false;
}
}
}
}
return true;
}
private class WebSocketSender implements Runnable {
private String message;
private CopyOnWriteArrayList<WebSocketSessionUtil> webSocketSessionUtils;
public WebSocketSender(CopyOnWriteArrayList<WebSocketSessionUtil> webSocketSessionUtils, String message) {
this.webSocketSessionUtils = webSocketSessionUtils;
this.message = message;
}
/**
* When an object implementing interface <code>Runnable</code> is used
* to create a thread, starting the thread causes the object's
* <code>run</code> method to be called in that separately executing
* thread.
* <p/>
* The general contract of the method <code>run</code> is that it may
* take any action whatsoever.
*
* @see Thread#run()
*/
@Override
public void run() {
if (webSocketSessionUtils != null) {
doLogDroppedMessage = true;
for (WebSocketSessionUtil webSocketSessionUtil : webSocketSessionUtils) {
synchronized (WebSocketSessionUtil.class) {
try {
webSocketSessionUtil.getSession().getBasicRemote().sendText(message);
} catch (IOException e) {
EventAdapterUtil.logAndDrop(eventAdapterConfiguration.getName(), message,
"Cannot send to endpoint", e, log, tenantId);
}
}
}
} else if (doLogDroppedMessage) {
EventAdapterUtil.logAndDrop(eventAdapterConfiguration.getName(), message, "No clients registered", log,
tenantId);
doLogDroppedMessage = false;
}
}
}
}

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components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.output.adapter.ui/src/main/java/org/wso2/carbon/device/mgt/iot/output/adapter/ui/UIEventAdapterFactory.java
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/*
*
* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.wso2.carbon.device.mgt.iot.output.adapter.ui;
import org.wso2.carbon.device.mgt.iot.output.adapter.ui.util.UIEventAdapterConstants;
import org.wso2.carbon.event.output.adapter.core.MessageType;
import org.wso2.carbon.event.output.adapter.core.OutputEventAdapter;
import org.wso2.carbon.event.output.adapter.core.OutputEventAdapterConfiguration;
import org.wso2.carbon.event.output.adapter.core.OutputEventAdapterFactory;
import org.wso2.carbon.event.output.adapter.core.Property;
import org.wso2.carbon.utils.CarbonUtils;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.ResourceBundle;
/**
* The UI event adapter factory class to create a UI output adapter
*/
public class UIEventAdapterFactory extends OutputEventAdapterFactory {
private ResourceBundle resourceBundle = ResourceBundle.getBundle("org.wso2.carbon.device.mgt.iot.output.adapter.ui.i18n" +
".Resources", Locale.getDefault());
public UIEventAdapterFactory() {
}
@Override
public String getType() {
return UIEventAdapterConstants.ADAPTER_TYPE_UI;
}
@Override
public List<String> getSupportedMessageFormats() {
List<String> supportedMessageFormats = new ArrayList<String>();
supportedMessageFormats.add(MessageType.WSO2EVENT);
return supportedMessageFormats;
}
@Override
public List<Property> getStaticPropertyList() {
return null;
}
@Override
public List<Property> getDynamicPropertyList() {
return null;
}
@Override
public String getUsageTips() {
return resourceBundle.getString(UIEventAdapterConstants.ADAPTER_USAGE_TIPS_PREFIX) + " "
+ resourceBundle.getString(UIEventAdapterConstants.ADAPTER_USAGE_TIPS_POSTFIX);
}
@Override
public OutputEventAdapter createEventAdapter(OutputEventAdapterConfiguration eventAdapterConfiguration,
Map<String, String> globalProperties) {
return new UIEventAdapter(eventAdapterConfiguration, globalProperties);
}
}

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components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.output.adapter.ui/src/main/java/org/wso2/carbon/device/mgt/iot/output/adapter/ui/UIOutputCallbackControllerService.java
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/*
*
* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.wso2.carbon.device.mgt.iot.output.adapter.ui;
import javax.websocket.Session;
/**
* This interface is exposed as an OSGI service, which will be invoked by the local websocket endpoint to inform new subscriptions; and do un-subscriptions..
*/
public interface UIOutputCallbackControllerService {
/**
* Used to subscribe the session id and stream id for later web socket connectivity
*
* @param streamName - Stream name which user register to.
* @param version - Stream version which user uses.
* @param session - Session which user registered.
* @return
*/
void subscribeWebsocket(String streamName, String version, Session session);
/**
* Used to return events per streamId
*
* @param streamName - Stream name which user register to.
* @param version - Stream version which user uses.
* @param session - Session which user subscribed to.
* @return the events list.
*/
void unsubscribeWebsocket(String streamName, String version, Session session);
}

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/*
*
* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.wso2.carbon.device.mgt.iot.output.adapter.ui;
import com.google.gson.JsonObject;
import org.wso2.carbon.context.PrivilegedCarbonContext;
import org.wso2.carbon.device.mgt.iot.output.adapter.ui.internal.UIEventAdaptorServiceDataHolder;
import org.wso2.carbon.device.mgt.iot.output.adapter.ui.util.WebSocketSessionUtil;
import org.wso2.carbon.device.mgt.iot.output.adapter.ui.util.UIEventAdapterConstants;
import javax.websocket.Session;
import java.util.Iterator;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.LinkedBlockingDeque;
/**
* Service implementation class which exposes to front end
*/
public class UIOutputCallbackControllerServiceImpl implements UIOutputCallbackControllerService {
private ConcurrentHashMap<Integer, ConcurrentHashMap<String, CopyOnWriteArrayList<WebSocketSessionUtil>>>
outputEventAdaptorSessionMap;
public UIOutputCallbackControllerServiceImpl() {
outputEventAdaptorSessionMap = new ConcurrentHashMap<>();
}
/**
* Used to subscribe the session id and stream id for later web socket connectivity
*
* @param streamName - Stream name which user register to.
* @param version - Stream version which user uses.
* @param session - Session which user registered.
*/
public void subscribeWebsocket(String streamName, String version, Session session) {
int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
if (version == null || " ".equals(version)) {
version = UIEventAdapterConstants.ADAPTER_UI_DEFAULT_OUTPUT_STREAM_VERSION;
}
String streamId = streamName + UIEventAdapterConstants.ADAPTER_UI_COLON + version;
ConcurrentHashMap<String, CopyOnWriteArrayList<WebSocketSessionUtil>> tenantSpecificAdaptorMap =
outputEventAdaptorSessionMap.get(tenantId);
if (tenantSpecificAdaptorMap == null) {
tenantSpecificAdaptorMap = new ConcurrentHashMap<>();
if (null != outputEventAdaptorSessionMap.putIfAbsent(tenantId, tenantSpecificAdaptorMap)) {
tenantSpecificAdaptorMap = outputEventAdaptorSessionMap.get(tenantId);
}
}
CopyOnWriteArrayList<WebSocketSessionUtil> adapterSpecificSessions = tenantSpecificAdaptorMap.get(streamId);
if (adapterSpecificSessions == null) {
adapterSpecificSessions = new CopyOnWriteArrayList<>();
if (null != tenantSpecificAdaptorMap.putIfAbsent(streamId, adapterSpecificSessions)) {
adapterSpecificSessions = tenantSpecificAdaptorMap.get(streamId);
}
}
WebSocketSessionUtil webSocketSessionUtil = new WebSocketSessionUtil(session);
adapterSpecificSessions.add(webSocketSessionUtil);
}
/**
* Used to return registered sessions per streamId
*
* @param tenantId - Tenant id of the user.
* @param streamId - Stream name and version which user register to.
* @return the sessions list.
*/
public CopyOnWriteArrayList<WebSocketSessionUtil> getSessions(int tenantId, String streamId) {
ConcurrentHashMap<String, CopyOnWriteArrayList<WebSocketSessionUtil>> tenantSpecificAdaptorMap
= outputEventAdaptorSessionMap.get(tenantId);
if (tenantSpecificAdaptorMap != null) {
return tenantSpecificAdaptorMap.get(streamId);
}
return null;
}
/**
* Used to return events per streamId
*
* @param tenanId - Tenant id of the user.
* @param streamName - Stream name which user register to.
* @param version - Stream version which user uses.
* @return the events list.
*/
public LinkedBlockingDeque<Object> getEvents(int tenanId, String streamName, String version) {
ConcurrentHashMap<String, LinkedBlockingDeque<Object>> tenantSpecificStreamMap =
UIEventAdaptorServiceDataHolder.getTenantSpecificStreamEventMap().get(tenanId);
if (tenantSpecificStreamMap != null) {
String streamId = streamName + UIEventAdapterConstants.ADAPTER_UI_COLON + version;
return tenantSpecificStreamMap.get(streamId);
}
return null;
}
/**
* Used to return events per streamId
*
* @param streamName - Stream name which user register to.
* @param version - Stream version which user uses.
* @param session - Session which user subscribed to.
*/
public void unsubscribeWebsocket(String streamName, String version, Session session) {
int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
if (version == null || " ".equals(version)) {
version = UIEventAdapterConstants.ADAPTER_UI_DEFAULT_OUTPUT_STREAM_VERSION;
}
String id = streamName + UIEventAdapterConstants.ADAPTER_UI_COLON + version;
ConcurrentHashMap<String, CopyOnWriteArrayList<WebSocketSessionUtil>> tenantSpecificAdaptorMap
= outputEventAdaptorSessionMap.get(tenantId);
if (tenantSpecificAdaptorMap != null) {
CopyOnWriteArrayList<WebSocketSessionUtil> adapterSpecificSessions = tenantSpecificAdaptorMap.get(id);
if (adapterSpecificSessions != null) {
WebSocketSessionUtil sessionToRemove = null;
Iterator<WebSocketSessionUtil> iterator = adapterSpecificSessions.iterator();
while (iterator.hasNext()) {
WebSocketSessionUtil webSocketSessionUtil = iterator.next();
if (session.getId().equals(webSocketSessionUtil.getSession().getId())) {
sessionToRemove = webSocketSessionUtil;
break;
}
}
if (sessionToRemove != null) {
adapterSpecificSessions.remove(sessionToRemove);
}
}
}
}
}

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components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.output.adapter.ui/src/main/java/org/wso2/carbon/device/mgt/iot/output/adapter/ui/internal/UIEventAdaptorServiceDataHolder.java
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/*
*
* Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.wso2.carbon.device.mgt.iot.output.adapter.ui.internal;
import org.wso2.carbon.device.mgt.iot.output.adapter.ui.UIOutputCallbackControllerServiceImpl;
import org.wso2.carbon.event.stream.core.EventStreamService;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.LinkedBlockingDeque;
/**
* Creates a holder of type UIOutputCallbackRegisterServiceImpl.
*/
public final class UIEventAdaptorServiceDataHolder {
private static UIOutputCallbackControllerServiceImpl UIOutputCallbackRegisterServiceImpl;
private static ConcurrentHashMap<Integer,ConcurrentHashMap<String, String>>
tenantSpecificOutputEventStreamAdapterMap = new ConcurrentHashMap<Integer,ConcurrentHashMap<String, String>>();
private static ConcurrentHashMap<Integer, ConcurrentHashMap<String, LinkedBlockingDeque<Object>>>
tenantSpecificStreamEventMap = new ConcurrentHashMap<Integer, ConcurrentHashMap<String, LinkedBlockingDeque<Object>>>();
private static EventStreamService eventStreamService;
public static void registerEventStreamService(EventStreamService eventBuilderService) {
UIEventAdaptorServiceDataHolder.eventStreamService = eventBuilderService;
}
public static EventStreamService getEventStreamService() {
return UIEventAdaptorServiceDataHolder.eventStreamService;
}
public static void registerUIOutputCallbackRegisterServiceInternal(
UIOutputCallbackControllerServiceImpl UIOutputCallbackRegisterServiceImpl) {
UIEventAdaptorServiceDataHolder.UIOutputCallbackRegisterServiceImpl =
UIOutputCallbackRegisterServiceImpl;
}
public static UIOutputCallbackControllerServiceImpl getUIOutputCallbackRegisterServiceImpl() {
return UIEventAdaptorServiceDataHolder.UIOutputCallbackRegisterServiceImpl;
}
public static ConcurrentHashMap<Integer,ConcurrentHashMap<String, String>>
getTenantSpecificOutputEventStreamAdapterMap() {
return tenantSpecificOutputEventStreamAdapterMap;
}
public static ConcurrentHashMap<Integer, ConcurrentHashMap<String, LinkedBlockingDeque<Object>>>
getTenantSpecificStreamEventMap() {
return tenantSpecificStreamEventMap;
}
}

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components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.output.adapter.ui/src/main/java/org/wso2/carbon/device/mgt/iot/output/adapter/ui/internal/UILocalEventAdapterServiceComponent.java
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/*
*
* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.wso2.carbon.device.mgt.iot.output.adapter.ui.internal;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.osgi.service.component.ComponentContext;
import org.wso2.carbon.device.mgt.iot.output.adapter.ui.UIEventAdapterFactory;
import org.wso2.carbon.device.mgt.iot.output.adapter.ui.UIOutputCallbackControllerServiceImpl;
import org.wso2.carbon.event.output.adapter.core.OutputEventAdapterFactory;
import org.wso2.carbon.device.mgt.iot.output.adapter.ui.UIOutputCallbackControllerService;
import org.wso2.carbon.event.stream.core.EventStreamService;
/**
* @scr.component component.name="output.extensions.Ui.AdapterService.component" immediate="true"
* @scr.reference name="eventStreamService.service"
* interface="org.wso2.carbon.event.stream.core.EventStreamService" cardinality="1..1"
* policy="dynamic" bind="setEventStreamService" unbind="unsetEventStreamService"
*/
public class UILocalEventAdapterServiceComponent {
private static final Log log = LogFactory.getLog(UILocalEventAdapterServiceComponent.class);
/**
* initialize the ui adapter service here service here.
*
* @param context
*/
protected void activate(ComponentContext context) {
try {
OutputEventAdapterFactory uiEventAdapterFactory = new UIEventAdapterFactory();
context.getBundleContext().registerService(OutputEventAdapterFactory.class.getName(), uiEventAdapterFactory, null);
UIOutputCallbackControllerServiceImpl UIOutputCallbackRegisterServiceImpl =
new UIOutputCallbackControllerServiceImpl();
context.getBundleContext().registerService(UIOutputCallbackControllerService.class.getName(),
UIOutputCallbackRegisterServiceImpl, null);
UIEventAdaptorServiceDataHolder.registerUIOutputCallbackRegisterServiceInternal(
UIOutputCallbackRegisterServiceImpl);
if (log.isDebugEnabled()) {
log.debug("Successfully deployed the output ui adapter service");
}
} catch (RuntimeException e) {
log.error("Can not create the output ui adapter service ", e);
}
}
protected void setEventStreamService(EventStreamService eventStreamService) {
if (log.isDebugEnabled()) {
log.debug("Setting the EventStreamService reference for the UILocalEventAdaptor Service");
}
UIEventAdaptorServiceDataHolder.registerEventStreamService(eventStreamService);
}
protected void unsetEventStreamService(EventStreamService eventStreamService) {
if (log.isDebugEnabled()) {
log.debug("Un-Setting the EventStreamService reference for the UILocalEventAdaptor Service");
}
UIEventAdaptorServiceDataHolder.registerEventStreamService(null);
}
}

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components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.output.adapter.ui/src/main/java/org/wso2/carbon/device/mgt/iot/output/adapter/ui/util/UIEventAdapterConstants.java
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/*
*
* Copyright (c) 2014-2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.wso2.carbon.device.mgt.iot.output.adapter.ui.util;
/**
* This class contains the constants related to ui Output Event Adaptor.
*/
public class UIEventAdapterConstants {
private UIEventAdapterConstants() {
}
public static final String ADAPTER_TYPE_UI = "iot-ui";
public static final String ADAPTER_USAGE_TIPS_PREFIX = "ui.usage.tips_prefix";
public static final String ADAPTER_USAGE_TIPS_POSTFIX = "ui.usage.tips_postfix";
public static final String ADAPTER_UI_DEFAULT_OUTPUT_STREAM_VERSION = "1.0.0";
public static final String ADAPTER_UI_COLON = ":";
public static final int INDEX_ZERO = 0;
public static final int INDEX_ONE = 1;
public static final int INDEX_TWO = 2;
public static final int ADAPTER_MIN_THREAD_POOL_SIZE = 8;
public static final int ADAPTER_MAX_THREAD_POOL_SIZE = 100;
public static final int ADAPTER_EXECUTOR_JOB_QUEUE_SIZE = 2000;
public static final long DEFAULT_KEEP_ALIVE_TIME_IN_MILLIS = 20000;
public static final String ADAPTER_MIN_THREAD_POOL_SIZE_NAME = "minThread";
public static final String ADAPTER_MAX_THREAD_POOL_SIZE_NAME = "maxThread";
public static final String ADAPTER_KEEP_ALIVE_TIME_NAME = "keepAliveTimeInMillis";
public static final String ADAPTER_EXECUTOR_JOB_QUEUE_SIZE_NAME = "jobQueueSize";
public static final String ADAPTER_EVENT_QUEUE_SIZE_NAME = "eventQueueSize";
public static final int EVENTS_QUEUE_SIZE = 30;
}

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components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.output.adapter.ui/src/main/java/org/wso2/carbon/device/mgt/iot/output/adapter/ui/util/WebSocketSessionUtil.java
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package org.wso2.carbon.device.mgt.iot.output.adapter.ui.util;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import javax.websocket.Session;
import java.util.HashMap;
import java.util.Map;
/**
* This is wrapper class over the javax.websocket.Session implementation. This class contains additional attributes
* of the Session object derived from processing some of the (default) existing attributes.
* Ex: Query-String's [Key:Value] Map derived from the queryString attribute of the original class.
*/
public class WebSocketSessionUtil {
private static final Log log = LogFactory.getLog(WebSocketSessionUtil.class);
private static final String QUERY_STRING_SEPERATOR = "&";
private static final String QUERY_KEY_VALUE_SEPERATOR = "=";
private Map<String, String> queryParamValuePairs = null;
private Session session;
public WebSocketSessionUtil(Session session) {
this.session = session;
setQueryParamValuePairs();
}
public Map<String, String> getQueryParamValuePairs() {
return queryParamValuePairs;
}
public Session getSession() {
return session;
}
/**
* Processes the queryString from the current instance's Session attribute and constructs a map of Query
* Key:Value pair.
*/
private void setQueryParamValuePairs() {
if (session.getQueryString() != null) {
String queryString = session.getQueryString();
String[] allQueryParamPairs = queryString.split(QUERY_STRING_SEPERATOR);
for (String keyValuePair : allQueryParamPairs) {
String[] thisQueryParamPair = keyValuePair.split(QUERY_KEY_VALUE_SEPERATOR);
if (thisQueryParamPair.length != 2) {
log.warn("Invalid query string [" + queryString + "] passed in.");
break;
}
if (queryParamValuePairs == null) {
queryParamValuePairs = new HashMap<>();
}
queryParamValuePairs.put(thisQueryParamPair[0], thisQueryParamPair[1]);
}
}
}
}

22
components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.output.adapter.ui/src/main/resources/org/wso2/carbon/device/mgt/iot/output/adapter/ui/i18n/Resources.properties
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@ -0,0 +1,22 @@
#
# Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
#
# WSO2 Inc. licenses this file to you under the Apache License,
# Version 2.0 (the "License"); you may not use this file except
# in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
output.event.stream.name=Output Stream Name
output.event.stream.version=Output Stream Version
ui.usage.tips_prefix=There must be an UI output adaptor for each stream to be visualized
ui.usage.tips_postfix= via Analytics Dashboard.

4
components/iot-plugins/iot-base-plugin/pom.xml
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@ -29,7 +29,7 @@
<modelVersion>4.0.0</modelVersion>
<artifactId>iot-base-plugin</artifactId>
<packaging>pom</packaging>
<name>WSO2 Carbon - Arduino Plugin</name>
<name>WSO2 Carbon - IoT Base Plugin</name>
<url>http://wso2.org</url>
<modules>
@ -37,6 +37,8 @@
<module>org.wso2.carbon.device.mgt.iot.ui</module>
<module>org.wso2.carbon.device.mgt.iot.output.adapter.mqtt</module>
<module>org.wso2.carbon.device.mgt.iot.output.adapter.xmpp</module>
<module>org.wso2.carbon.device.mgt.iot.output.adapter.ui</module>
<module>org.wso2.carbon.device.mgt.iot.output.adapter.ui.endpoint</module>
<module>org.wso2.carbon.device.mgt.iot.input.adapter.extension</module>
<module>org.wso2.carbon.device.mgt.iot.input.adapter.http</module>
<module>org.wso2.carbon.device.mgt.iot.input.adapter.mqtt</module>

33
features/iot-plugins-feature/iot-base-plugin-feature/org.wso2.carbon.device.mgt.iot.adapter.feature/pom.xml
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@ -44,6 +44,10 @@
<groupId>org.wso2.carbon.devicemgt-plugins</groupId>
<artifactId>org.wso2.carbon.device.mgt.iot.output.adapter.xmpp</artifactId>
</dependency>
<dependency>
<groupId>org.wso2.carbon.devicemgt-plugins</groupId>
<artifactId>org.wso2.carbon.device.mgt.iot.output.adapter.ui</artifactId>
</dependency>
<dependency>
<groupId>org.wso2.carbon.devicemgt-plugins</groupId>
<artifactId>org.wso2.carbon.device.mgt.iot.input.adapter.extension</artifactId>
@ -64,6 +68,32 @@
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<id>copy</id>
<phase>package</phase>
<goals>
<goal>copy</goal>
</goals>
<configuration>
<artifactItems>
<artifactItem>
<groupId>org.wso2.carbon.devicemgt-plugins</groupId>
<artifactId>org.wso2.carbon.device.mgt.iot.output.adapter.ui.endpoint</artifactId>
<version>${carbon.devicemgt.plugins.version}</version>
<type>war</type>
<overWrite>true</overWrite>
<outputDirectory>${project.build.directory}/maven-shared-archive-resources/webapps/</outputDirectory>
<destFileName>secured-outputui.war</destFileName>
</artifactItem>
</artifactItems>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<executions>
@ -127,6 +157,9 @@
<bundleDef>
org.wso2.carbon.devicemgt-plugins:org.wso2.carbon.device.mgt.iot.input.adapter.xmpp:${carbon.devicemgt.plugins.version}
</bundleDef>
<bundleDef>
org.wso2.carbon.devicemgt-plugins:org.wso2.carbon.device.mgt.iot.output.adapter.ui:${carbon.devicemgt.plugins.version}
</bundleDef>
</bundles>
<importFeatures>
<importFeatureDef>

3
features/iot-plugins-feature/iot-base-plugin-feature/org.wso2.carbon.device.mgt.iot.adapter.feature/src/main/resources/p2.inf
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@ -1 +1,4 @@
instructions.configure = \
org.eclipse.equinox.p2.touchpoint.natives.mkdir(path:${installFolder}/../../deployment/server/webapps/);\
org.eclipse.equinox.p2.touchpoint.natives.copy(source:${installFolder}/../features/org.wso2.carbon.device.mgt.iot.adapter_${feature.version}/webapps/,target:${installFolder}/../../deployment/server/webapps/,overwrite:true);\
org.eclipse.equinox.p2.touchpoint.natives.copy(source:${installFolder}/../features/org.wso2.carbon.device.mgt.iot.adapter_${feature.version}/websocket-validation.properties,target:${installFolder}/../../conf/etc/websocket-validation.properties,overwrite:true);\

25
features/iot-plugins-feature/iot-base-plugin-feature/org.wso2.carbon.device.mgt.iot.adapter.feature/src/main/resources/websocket-validation.properties
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@ -0,0 +1,25 @@
#
# Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
#
# WSO2 Inc. licenses this file to you under the Apache License,
# Version 2.0 (the "License"); you may not use this file except
# in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
#This hold the properties that is used for token validation for the the websocket
tokenValidationEndpoint=https://localhost:9443/services/OAuth2TokenValidationService
username=admin
password=admin
maximumHttpConnectionPerHost=2
maximumTotalHttpConnection=100

32
pom.xml
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@ -329,6 +329,11 @@
<artifactId>org.wso2.carbon.analytics.api</artifactId>
<version>${carbon.analytics.version}</version>
</dependency>
<dependency>
<groupId>org.wso2.carbon.analytics-common</groupId>
<artifactId>org.wso2.carbon.event.stream.core</artifactId>
<version>${carbon.analytics.common.version}</version>
</dependency>
<!--IoT Server specific dependencies-->
<dependency>
@ -372,6 +377,11 @@
<version>${carbon.devicemgt.plugins.version}</version>
<type>war</type>
</dependency>
<dependency>
<groupId>org.wso2.carbon.devicemgt-plugins</groupId>
<artifactId>org.wso2.carbon.device.mgt.iot.output.adapter.ui</artifactId>
<version>${carbon.devicemgt.plugins.version}</version>
</dependency>
<!--Android sense DeviceType Impl, API and Agent-->
<dependency>
@ -1013,6 +1023,23 @@
<artifactId>commons-pool</artifactId>
<version>${commons.pool.wso2.version}</version>
</dependency>
<!--websocket dependency-->
<dependency>
<groupId>javax.websocket</groupId>
<artifactId>javax.websocket-api</artifactId>
<version>${javax.websocket.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-websocket-api</artifactId>
<version>${tomcat.websocket.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.ws.rs</groupId>
<artifactId>javax.ws.rs-api</artifactId>
<version>${javax.version}</version>
</dependency>
</dependencies>
</dependencyManagement>
@ -1146,6 +1173,11 @@
<commons.pool.wso2.version>1.5.6.wso2v1</commons.pool.wso2.version>
<!--websocket related lib versions-->
<tomcat.websocket.version>7.0.54</tomcat.websocket.version>
<javax.websocket.version>1.0</javax.websocket.version>
<javax.version>2.0</javax.version>
<!-- Release plugin ID for github-->
<project.scm.id>github-scm</project.scm.id>
</properties>

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