1 files changed, 277 insertions, 0 deletions
diff --git a/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/id/commons/config/ConfigurationUtil.java b/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/id/commons/config/ConfigurationUtil.java
new file mode 100644
index 000000000..4130b2c5d
--- /dev/null
+++ b/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/id/commons/config/ConfigurationUtil.java
@@ -0,0 +1,277 @@
+package at.gv.egovernment.moa.id.commons.config;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.Unmarshaller;
+
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+import org.springframework.transaction.annotation.Transactional;
+
+import at.gv.egiz.components.configuration.api.Configuration;
+import at.gv.egiz.components.configuration.api.ConfigurationException;
+import at.gv.egovernment.moa.id.commons.db.dao.config.deprecated.MOAIDConfiguration;
+import at.gv.egovernment.moa.id.commons.db.dao.config.deprecated.OnlineApplication;
+import at.gv.egovernment.moa.id.commons.db.dao.config.deprecated.STORK;
+import at.gv.egovernment.moa.logging.Logger;
+import at.gv.egovernment.moa.util.MiscUtil;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+
+public class ConfigurationUtil {
+	
+	final boolean isOverwriteData;
+	
+	public ConfigurationUtil(boolean isOverwriteData){
+		this.isOverwriteData = isOverwriteData;
+	}
+
+	/**
+	 * Read an input MOAID 2 XML file, transfer it to properties and write the
+	 * properties to a MOAID 3 property file.
+	 * 
+	 * @param inStream
+	 *            the input stream to read from.
+	 * @param outFile
+	 *            the output file to write to.
+	 * @throws JAXBException
+	 */
+	public void readFromXMLFileConvertToPropertyFile(FileInputStream inStream, File outFile) throws JAXBException {
+
+		try (FileOutputStream outStream = new FileOutputStream(outFile);) {
+
+			// get config from xml file
+			JAXBContext jc = JAXBContext.newInstance("at.gv.egovernment.moa.id.commons.db.dao.config.deprecated");
+			Unmarshaller m = jc.createUnmarshaller();
+			MOAIDConfiguration config = (MOAIDConfiguration) m.unmarshal(inStream);
+
+			// serialize config to JSON properties
+			Properties result = moaIdConfigToJsonProperties(config);
+
+			// write to output stream
+			result.store(outStream, null);
+
+		} catch (FileNotFoundException e) {
+			System.out.println("Could not find the output file.");
+			System.exit(1);
+		} catch (IOException e) {
+			System.out.println("Could not write to the output file.");
+			System.exit(1);
+		}
+	}
+
+	/**
+	 * Helper method to serialize a {@link MOAIDConfiguration} to Properties
+	 * with JSON encoded values.
+	 * 
+	 * @param config
+	 *            the MOAIDConfiguration to serialize
+	 * @return {@link Properties} containing the database key and the serialized
+	 *         values
+	 * @throws JsonProcessingException
+	 *             is thrown if problem occurred while serializing one of the
+	 *             database values
+	 */
+	public static Properties moaIdConfigToJsonProperties(MOAIDConfiguration config) throws JsonProcessingException {
+
+		Properties result = new Properties();
+
+		if (config == null) {
+			return null;
+			
+		}
+		STORK storkConfig = null;
+		try {
+			storkConfig = config.getAuthComponentGeneral().getForeignIdentities().getSTORK();
+		
+		} catch (Exception e) {
+			Logger.debug("No general STORK configuration found.");
+			
+		}
+		
+		//convert all online applications
+		List<OnlineApplication> oaList = config.getOnlineApplication();
+		for (int i=0; i<oaList.size(); i++) {
+			OnlineApplication oa = oaList.get(i);
+			Map<String, String> keyValueOA = ConfigurationMigrationUtils.convertHyberJaxBOnlineApplicationToKeyValue(oa, storkConfig);
+			
+			String serviceIdentifier = keyValueOA.get(MOAIDConfigurationConstants.PREFIX_SERVICES);
+			if (MiscUtil.isEmpty(serviceIdentifier)) {
+				Logger.info("Use default ServiceIdentifier.");
+				serviceIdentifier = MOAIDConfigurationConstants.PREFIX_OA;
+			}
+			
+			//write all OA key/value pairs to configuration
+			for (String key : keyValueOA.keySet()) {
+				if (MiscUtil.isNotEmpty(keyValueOA.get(key)))
+					result.put(MOAIDConfigurationConstants.PREFIX_MOAID_SERVICES 
+							+ "." + serviceIdentifier + "." + String.valueOf(i) + "."
+							+ key, 
+							keyValueOA.get(key));
+				
+			}
+			//set correct metadata list identifier
+			result.put(MOAIDConfigurationConstants.PREFIX_MOAID_SERVICES 
+					+ "." + serviceIdentifier + "." + String.valueOf(i) + "."
+					+ MOAIDConfigurationConstants.METADATA_LIST +".0", 
+					MOAIDConfigurationConstants.PREFIX_MOAID_SERVICES 
+					+ "." + serviceIdentifier);
+		}
+		
+		Map<String, String> keyValueGeneral = ConfigurationMigrationUtils.convertHyberJaxBMOAIDConfigToKeyValue(config);
+		//write all OA key/value pairs to configuration
+		for (String key : keyValueGeneral.keySet()) {
+			if (MiscUtil.isNotEmpty(keyValueGeneral.get(key)))
+				result.put(key, keyValueGeneral.get(key));
+			
+		}
+		
+		return result;
+	}
+
+	/**
+	 * Exports a key-value database to a property file, where keys are the same
+	 * as in the database, and the values are serialized JSON objects.
+	 * 
+	 * @param inputDBConfigFilePath
+	 *            the path to the database properties, for the db the data is
+	 *            read from.
+	 * @param outFile
+	 *            the destination file for the exported data.
+	 */
+	public void readFromDBWriteToFile(String inputDBConfigFilePath, File outFile) {
+
+		try (FileOutputStream outStream = new FileOutputStream(outFile);) {
+
+			Properties result = new Properties();
+
+			System.getProperties().setProperty("location", "file:" + inputDBConfigFilePath);
+			ApplicationContext context = new ClassPathXmlApplicationContext("configuration.beans.xml");
+			Configuration dbConfiguration = (Configuration) context.getBean("config");			
+			String[] allKeys = dbConfiguration.getConfigurationIds();
+			
+			for (String key : allKeys) {
+
+				// extract database value
+				String value = dbConfiguration.getStringValue(key);
+
+				// add to properties
+				result.setProperty(key, value);
+			}
+
+			// write to output stream
+			result.store(outStream, null);
+
+			System.out.println("Property configuration written to:");
+			System.out.println(outFile.getAbsolutePath());
+
+		} catch (FileNotFoundException e) {
+			System.out.println("Could not find the output file.");
+			System.exit(1);
+		} catch (IOException e) {
+			System.out.println("Could not write to the output file.");
+			System.exit(1);
+			
+		} catch (ConfigurationException e) {
+			System.out.println("Could not read from database.");
+			System.exit(1);
+			
+		}
+	}
+
+	/**
+	 * Read an input property file, deserialize it's values and write them to
+	 * the given database.
+	 * 
+	 * @param inStream
+	 *            the FileInputStream to read from.
+	 * @param outputDBConfigFilePath
+	 *            the path to the database properties, for the db which is
+	 *            written.
+	 * @throws IOException
+	 *             is thrown in case the properties could not be loaded from the
+	 *             stream
+	 */
+	@Transactional
+	public void readFromFileWriteToDB(FileInputStream inStream, String outputDBConfigFilePath) throws IOException {
+
+		Properties inProperties = new Properties();
+		inProperties.load(inStream);
+
+		System.getProperties().setProperty("moa.id.webconfig", "file:" + outputDBConfigFilePath);
+		ApplicationContext context = new ClassPathXmlApplicationContext(
+				new String[]{
+						"configuration.beans.xml", 
+						"moaid.migration.beans.xml"
+						});
+		Configuration dbConfiguration = (Configuration) context.getBean("moaidconfig");
+
+		List<String> keys = null;
+		try {
+			keys = Arrays.asList(dbConfiguration.getConfigurationIds());
+			
+		} catch (ConfigurationException e1) {
+			System.out.println("Database can not be read.");
+			System.exit(1);
+		}
+
+		if (keys == null) {
+			System.out.println("Database can not be read.");
+			System.exit(1);
+		}
+
+		if (!keys.isEmpty() && !isOverwriteData) {
+			System.out.println("The database already contains configuration data.");
+			System.out.println("Use force switch if you want to override data)");
+			System.exit(1);
+		}
+
+		if (isOverwriteData) {
+			// remove existing entries
+			for (String key : keys) {
+				try {
+					dbConfiguration.deleteIds(key);
+				} catch (ConfigurationException e) {
+					System.out.println("Could NOT persist the configuration file's information in the database.");
+					
+				}
+			}
+		}
+
+		Enumeration<?> propertyNames = inProperties.propertyNames();
+
+		while (propertyNames.hasMoreElements()) {
+			String key = (String) propertyNames.nextElement();
+			String json = inProperties.getProperty(key);
+			
+			// add to database
+			try {
+				dbConfiguration.setStringValue(key, json);
+				
+			} catch (ConfigurationException e) {
+				System.out.println("Could NOT persist the configuration file's information in the database.");
+				
+			}
+			
+				
+			
+		}
+		System.out.println("Data has been successfully written to the database.");
+	}
+
+	private static void readFromDBWriteToDB(String inputDBConfigFilePath, String outputDBConfigFilePath) {
+		//TODO: implement
+	}
+	
+}