1 files changed, 401 insertions, 0 deletions
diff --git a/Dozentenmodulserver/src/main/java/server/ServerHandler.java b/Dozentenmodulserver/src/main/java/server/ServerHandler.java
new file mode 100644
index 00000000..b6a50952
--- /dev/null
+++ b/Dozentenmodulserver/src/main/java/server/ServerHandler.java
@@ -0,0 +1,401 @@
+package server;
+
+import java.io.File;
+import java.io.IOException;
+import java.math.BigInteger;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.sql.SQLException;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.TransformerException;
+import models.Configuration;
+import org.apache.commons.io.FileUtils;
+import org.apache.log4j.Logger;
+import org.apache.thrift.TException;
+import sql.SQL;
+import util.XMLCreator;
+
+
+
+public class ServerHandler implements Server.Iface {
+	static SQL sql = new SQL();
+
+	private static Logger log = Logger.getLogger(ServerHandler.class);
+
+	@Override
+	public User getFtpUser() throws TException {
+		log.info(new Date() + " - returning FTPUser...");
+		User user = new User();
+		user.setUserName(UUID.randomUUID().toString().substring(0, 8));
+		user.setPassword(getEncodedSha1Sum(UUID.randomUUID().toString()
+				.substring(0, 8)));
+		if (Configuration.config.getAbsolute_path().endsWith("/")) {
+			user.setPath(Configuration.config.getAbsolute_path());
+		} else {
+			user.setPath(Configuration.config.getAbsolute_path() + "/");
+		}
+
+		// check if folder temp and folder prod exist
+		if (folderTempExists() == true && folderProdExists() == true) {
+			sql.writeFTPUser(user.getUserName(), user.getPassword());
+			return user;
+		} else {
+			log.info(new Date() + " - returning null user");
+			return null;
+		}
+	}
+
+	public boolean folderTempExists() {
+		// check if folder temp exists, otherwise create it
+		Path path = null;
+		if (Configuration.config.getAbsolute_path().endsWith("/")) {
+			path = Paths.get(Configuration.config.getAbsolute_path() + "temp");
+		} else {
+			path = Paths.get(Configuration.config.getAbsolute_path() + "/temp");
+		}
+
+		if (Files.exists(path) == true) {
+			log.info(new Date() + " - folder '" + path
+					+ "' exists, no further action");
+			return true;
+		} else {
+			// create directory and set permissions
+			boolean success = (new File(path + "")).mkdirs();
+
+			if (!success) {
+				log.info(new Date() + " - failed to create folder '" + path
+						+ "'");
+				return false;
+			} else {
+				// set permissions
+				try {
+					Runtime.getRuntime().exec("chmod 777 " + path);
+				} catch (IOException e) {
+					// TODO Auto-generated catch block
+					e.printStackTrace();
+				}
+				log.info(new Date() + " - folder '" + path
+						+ "' successfully created");
+				return true;
+			}
+		}
+
+	}// end folderTempExists()
+	
+	public boolean folderProdExists() {
+		// check if folder temp exists, otherwise create it
+		Path path = null;
+		if (Configuration.config.getAbsolute_path().endsWith("/")) {
+			path = Paths.get(Configuration.config.getAbsolute_path() + "prod");
+		} else {
+			path = Paths.get(Configuration.config.getAbsolute_path() + "/prod");
+		}
+
+		if (Files.exists(path) == true) {
+			log.info(new Date() + " - folder '" + path
+					+ "' exists, no further action");
+			return true;
+		} else {
+			// create directory and set permissions
+			boolean success = (new File(path + "")).mkdirs();
+
+			if (!success) {
+				log.info(new Date() + " - failed to create folder '" + path
+						+ "'");
+				return false;
+			} else {
+				// set permissions
+				try {
+					Runtime.getRuntime().exec("chmod 777 " + path);
+				} catch (IOException e) {
+					// TODO Auto-generated catch block
+					e.printStackTrace();
+				}
+				log.info(new Date() + " - folder '" + path
+						+ "' successfully created");
+				return true;
+			}
+		}
+
+	}// end folderProdExists()
+	
+	
+
+	public String getEncodedSha1Sum(String key) {
+		try {
+			MessageDigest md = MessageDigest.getInstance("SHA1");
+			md.update(key.getBytes());
+			log.info(new Date() + " - successfully returned EncodedSha1Sum");
+			return new BigInteger(1, md.digest()).toString(16);
+		} catch (NoSuchAlgorithmException e) {
+			// handle error case to taste
+		}
+		return null;
+	}
+
+	@Override
+	public long DeleteFtpUser(String user) throws TException {
+		return sql.DeleteUser(user);
+	}
+
+	@Override
+	public String getPathOfImage(String image_id, String version)
+			throws TException {
+		log.info(new Date() + " - successfully returned PathOfImage: "
+				+ sql.getPathOfImage(image_id, version));
+		return sql.getPathOfImage(image_id, version);
+
+	}
+
+	@Override
+	public boolean writeVLdata(String imagename, String login,
+			String firstname, String lastname, String university, String Mail,
+			String Tel, String Fak, boolean license, boolean internet,
+			long ram, long cpu, String imagePath, boolean isTemplate,
+			long filesize, long shareMode) throws TException {
+		
+		String mode=null;
+	
+		if(shareMode==0)
+		{
+			mode="only_local";
+		}
+		else{
+			mode="to_be_published";
+		}
+
+		String pk_institution = sql.setInstitution(university);
+
+		String pk_person = sql.setPerson(login, lastname, firstname, Mail,
+				new Date(), pk_institution);
+		
+		sql.setImageData(pk_person, license, internet, cpu, ram, imagename,
+				imagePath, isTemplate, filesize,mode);
+
+		log.info(new Date() + " - written VLdata");
+		// TODO Auto-generated method stub
+		return true;
+	}
+
+	@Override
+	public List<Image> getImageList() throws TException {
+		return sql.getImageList();
+
+	}
+
+	@Override
+	public List<String> getAllOS() throws TException {
+		return sql.getAllOS();
+
+	}
+
+	@Override
+	public Map<String, String> getPersonData(String Vorname, String Nachname)
+			throws TException {
+		return sql.getPersonData(Vorname, Nachname);
+
+	}
+
+	@Override
+	public boolean writeLecturedata(String name, String shortdesc, String desc,
+			String startDate, String endDate, boolean isActive,
+			String imagename, String login, String firstname, String lastname,
+			String university, String Mail, String Tel, String Fak)
+			throws TException {
+		String pk_image = null;
+		Map<String, String> map = new HashMap<String, String>();
+		int imageversion = 0;
+		String pk_institution = sql.setInstitution(university);
+		String pk_person = sql.setPerson(login, lastname, firstname, Mail,
+				new Date(), pk_institution);
+
+		map = sql.getImageIDandVersion(imagename);
+
+		pk_image = map.get("GUID");
+		imageversion = Integer.parseInt(map.get("version"));
+		sql.setLectureData(pk_person, pk_image, imageversion, name, desc,
+				shortdesc, startDate, endDate, isActive);
+		XMLCreator xml = new XMLCreator(sql.getConnection(), name);
+		try {
+			xml.create(name);
+			log.info(new Date() + " - XML created.");
+		} catch (SQLException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (ParserConfigurationException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (TransformerException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		return false;
+	}
+
+	@Override
+	public boolean startFileCopy(String filename) throws TException {
+		//copy file from folder temp to folder prod
+		String file = Configuration.config.getAbsolute_path() + "temp/"
+				+ filename;
+		File tmpFile = new File(file);
+
+		log.info(new Date()
+				+ " - Trying to move file to '/srv/openslx/nfs/prod/"
+				+ tmpFile.getName() + "'");
+		try {
+			FileUtils.moveFile(tmpFile,
+					new File(Configuration.config.getAbsolute_path() + "prod/"
+							+ filename));
+			// int ret = sql.UpdateImagePath(filename);
+			if (sql.UpdateImagePath(filename) == 0) {
+				log.info(new Date() + " - file moved and database updated.");
+			}
+
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			log.info(new Date() + " - Failed to move file.");
+			e.printStackTrace();
+		}
+		return true;
+	}
+
+	@Override
+	public Map<String, String> getImageData(String imageid, String imageversion)
+			throws TException {
+		log.info(new Date() + " - returning ImageData: "
+				+ sql.getImageData(imageid, imageversion).size() + "items.");
+		return sql.getImageData(imageid, imageversion);
+	}
+
+	@Override
+	public boolean updateImageData(String name, String newName,
+			String image_path, boolean license, boolean internet, long ram,
+			long cpu, String id, String version, boolean isTemplate,
+			long filesize, long shareMode) throws TException {
+		String mode=null;
+		
+		if(shareMode==0)
+		{
+			mode="only_local";
+		}
+		else{
+			mode="to_be_published";
+		}
+		sql.UpdateImageData(name, newName, image_path, license, internet, cpu,
+				ram, id, version, isTemplate, filesize,mode);
+		return false;
+	}
+
+	@Override
+	public Map<String, String> getLectureData(String lecturename)
+			throws TException {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public List<Lecture> getLectureList() throws TException {
+
+
+					log.info(new Date().toString() + " - returning LectureList: "
+				+ sql.getLectureList().size() + " items.");
+		return sql.getLectureList();
+		
+
+	}
+
+	@Override
+	public boolean updateLecturedata(String name, String newName,
+			String shortdesc, String desc, String startDate, String endDate,
+			boolean isActive, String imagename, String firstname,
+			String lastname, String university, String Mail, String Tel,
+			String Fak, String id) throws TException {
+		String pk_image = "";
+		int imageversion = 0;
+		Map<String, String> image = sql.getImageIDandVersion(imagename);
+
+		pk_image = image.get("GUID");
+		imageversion = Integer.parseInt(image.get("version"));
+		sql.updateLectureData(pk_image, imageversion, lastname, newName, desc,
+				shortdesc, startDate, endDate, isActive, id);
+
+		XMLCreator xml = new XMLCreator(sql.getConnection(), newName);
+		try {
+			xml.create(newName);
+		} catch (SQLException | ParserConfigurationException
+				| TransformerException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
+		// sql.updateLectureData(con, pk_image, imageversion, lastname, newName,
+		// desc, shortdesc, startDate, endDate, isActive, id);
+		return false;
+	}
+
+	@Override
+	public boolean deleteImageServer(String imageid, String imageversion)
+			throws TException {
+
+		String stringFile = sql.getFile(imageid, imageversion);
+		log.info(new Date() + " - File to Delete: " + stringFile);
+
+		File tmpFile = new File(Configuration.config.getAbsolute_path()
+				+ stringFile);
+
+		try {
+			// File wird von Server gel�scht
+			FileUtils.forceDelete(tmpFile);
+			return true;
+
+		} catch (IOException e) {
+			log.info(new Date() + " - Failed to execute deleteImageServer.");
+			e.printStackTrace();
+
+		}
+
+		return false;
+	}
+
+	@Override
+	public boolean deleteImageData(String id, String version) throws TException {
+
+		return sql.deleteImage(id, version);
+	}
+
+	@Override
+	public boolean connectedToLecture(String id, String version)
+			throws TException {
+		// TODO Auto-generated method stub
+		return sql.connectedToLecture(id, version);
+	}
+
+	public boolean deleteLecture(String id, String hs, String user) {
+		Map<String, String> map = new HashMap<String, String>();
+		map = sql.getDeleteXMLData(id);
+		try {
+
+			String path = Configuration.config.getAbsolute_path()
+					+ "temp/"
+					+ map.get("date")
+							.substring(0, map.get("date").length() - 2) + "_"
+					+ hs + "_" + user + "_" + map.get("name") + ".xml";
+			File xmlFile = new File(path);
+			FileUtils.forceDelete(xmlFile);
+		} catch (IOException e) {
+			log.info(new Date() + " - Failed to execute deleteLecture");
+			e.printStackTrace();
+		}
+		return sql.deleteLecture(id);
+
+	}
+
+}