78 lines
2.3 KiB
Java
Executable File
78 lines
2.3 KiB
Java
Executable File
package org.gcube.data.analysis.nlphub.is;
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import java.util.List;
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import org.gcube.common.authorization.library.AuthorizationEntry;
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import org.gcube.data.analysis.nlphub.shared.Constants;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import static org.gcube.common.authorization.client.Constants.authorizationService;
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public class DMDiscover {
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private static Logger logger = LoggerFactory.getLogger(DMDiscover.class);
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public DMDiscover() {
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}
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public String retrieveServiceUrl(String token) throws Exception {
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logger.debug("Retrieve DataMiner Service by token: " + token);
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String scope = retrieveScope(token);
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logger.debug("Retrieve DataMiner Service in scope: " + scope);
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String url = retrieveServiceInScope(scope);
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logger.debug("DataMiner url: " + url);
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return url;
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}
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private String retrieveServiceInScope(String scope) throws Exception {
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List<String> serviceAddress = InformationSystemUtils
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.retrieveServiceEndpoint(Constants.DATAMINER_SERVICE_CATEGORY, Constants.DATA_MINER_SERVICE_NAME, scope);
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logger.debug("Service Address retrieved:" + serviceAddress);
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if (serviceAddress == null || serviceAddress.size() < 1) {
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logger.error("No DataMiner service address available!");
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throw new Exception("No DataMiner service address available!");
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} else {
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logger.info("DataMiner service address found: " + serviceAddress.get(0));
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return serviceAddress.get(0);
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}
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}
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private String retrieveScope(String token) throws Exception {
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String userName = null;
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String scope = null;
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if (Constants.DEBUG) {
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logger.debug("Debug Mode");
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userName = Constants.DEFAULT_USER;
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scope = Constants.DEFAULT_SCOPE;
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token = Constants.DEFAULT_TOKEN;
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} else {
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logger.debug("Production Mode");
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if (token == null || token.isEmpty()) {
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logger.error("Error retrieving user credentials: token=" + token);
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throw new Exception("Error retrieving user credentials");
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}
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try {
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logger.debug("Retrieving user credentials");
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AuthorizationEntry entry = authorizationService().get(token);
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userName = entry.getClientInfo().getId();
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scope = entry.getContext();
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} catch (Exception e) {
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logger.error("Error retrieving user credentials: " + e.getLocalizedMessage());
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throw new Exception(e.getLocalizedMessage(), e);
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}
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}
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logger.debug("UserName: " + userName);
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logger.debug("Scope: " + scope);
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return scope;
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}
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}
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