Merge branch 'master' of https://git.bukova.info/repos/git/isspst
Conflicts: src/main/webapp/app/mainMenu.zulVerze_2.0
						commit
						93e1ef1fd3
					
				| @ -0,0 +1,103 @@ | ||||
| package info.bukova.isspst.storage; | ||||
| 
 | ||||
| import java.io.*; | ||||
| 
 | ||||
| /** | ||||
|  * Abstraktni třída pro práci se soubory. | ||||
|  * | ||||
|  * @author Pepa Rokos | ||||
|  */ | ||||
| public abstract class AbstractFileStorage<T> implements FileStorage<T> { | ||||
| 
 | ||||
| 	protected void saveFileDataToPath(byte[] data, String path) { | ||||
| 
 | ||||
| 		File file = new File(path); | ||||
| 		FileOutputStream os = null; | ||||
| 		try { | ||||
| 			os = new FileOutputStream(file); | ||||
| 			os.write(data); | ||||
| 			os.flush(); | ||||
| 			os.close(); | ||||
| 		} catch (FileNotFoundException e) { | ||||
| 			e.printStackTrace(); | ||||
| 		} catch (IOException e) { | ||||
| 			e.printStackTrace(); | ||||
| 		} finally { | ||||
| 			try { | ||||
| 				if (os != null) { | ||||
| 					os.flush(); | ||||
| 					os.close(); | ||||
| 				} | ||||
| 			} catch (IOException e) { | ||||
| 				throw new StorageException("Cannot close stream", e.getCause()); | ||||
| 			} | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	protected void saveFileToPtah(File file, String path) { | ||||
| 		File dest = new File(path + File.pathSeparator + file.getName()); | ||||
| 		FileOutputStream fos = null; | ||||
| 
 | ||||
| 		try { | ||||
| 			fos = new FileOutputStream(dest); | ||||
| 			fos.write(readFile(file)); | ||||
| 			fos.flush(); | ||||
| 			fos.close(); | ||||
| 		} catch (FileNotFoundException e) { | ||||
| 			throw new StorageException("Cannot move file: " + file.getName(), e.getCause()); | ||||
| 		} catch (IOException e) { | ||||
| 			throw new StorageException("Cannot move file: " + file.getName(), e.getCause()); | ||||
| 		} finally { | ||||
| 			if (fos != null) { | ||||
| 				try { | ||||
| 					fos.flush(); | ||||
| 					fos.close(); | ||||
| 				} catch (IOException e) { | ||||
| 					throw new StorageException("Cannot close stream", e.getCause()); | ||||
| 				} | ||||
| 			} | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	protected void removeFileByPath(String path) { | ||||
| 		File f = new File(path); | ||||
| 		if (!f.delete()) { | ||||
| 			throw new StorageException("Cannot delete file: " + path); | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	protected byte[] fileDataFromPath(String path) { | ||||
| 		File f = new File(path); | ||||
| 		return readFile(f); | ||||
| 	} | ||||
| 
 | ||||
| 	protected byte[] readFile(File file) { | ||||
| 		byte[] out = new byte[(int) file.length()]; | ||||
| 
 | ||||
| 		FileInputStream fis = null; | ||||
| 		try { | ||||
| 			fis = new FileInputStream(file); | ||||
| 			fis.read(out); | ||||
| 			fis.close(); | ||||
| 		} catch (FileNotFoundException e) { | ||||
| 			throw new StorageException("File cannot be found: " + file.getName(), e.getCause()); | ||||
| 		} catch (IOException e) { | ||||
| 			throw new StorageException("Cannot read file: " + file.getName(), e.getCause()); | ||||
| 		} finally { | ||||
| 			if (fis != null) { | ||||
| 				try { | ||||
| 					fis.close(); | ||||
| 				} catch (IOException e) { | ||||
| 					throw new StorageException("Cannot close stream", e.getCause()); | ||||
| 				} | ||||
| 			} | ||||
| 		} | ||||
| 
 | ||||
| 		return out; | ||||
| 	} | ||||
| 
 | ||||
| 	protected File fileFromPath(String path) { | ||||
| 		return new File(path); | ||||
| 	} | ||||
| 
 | ||||
| } | ||||
| @ -0,0 +1,66 @@ | ||||
| package info.bukova.isspst.storage; | ||||
| 
 | ||||
| import info.bukova.isspst.data.FileMetainfo; | ||||
| 
 | ||||
| import java.io.File; | ||||
| 
 | ||||
| /** | ||||
|  * Rozhraní servisního objektu pro práci s přílohami u záznamů. Přílohy jsou reprezentovány objektem FileMetainfo, | ||||
|  * kde je zobrazované jméno souboru, vygenerovaný GUID, pod kterým je soubor fyzicky uložen a MD5 součet používaný | ||||
|  * pro deduplikaci. | ||||
|  * | ||||
|  * @see info.bukova.isspst.data.FileMetainfo | ||||
|  * | ||||
|  * @author  Pepa Rokos | ||||
|  */ | ||||
| public interface DocumentFileStorage extends FileStorage<FileMetainfo> { | ||||
| 
 | ||||
| 	/** | ||||
| 	 * Uloží data předaná jako byte[] do uložiště příloh a vrátí metainformace. | ||||
| 	 * Metoda řeší deduplikaci souborů, takže v uložišti je fyzicky vždy jen jedna kopie. | ||||
| 	 * | ||||
| 	 * @see info.bukova.isspst.data.FileMetainfo | ||||
| 	 * | ||||
| 	 * @param data Data souboru | ||||
| 	 * @param name Zobrazovaný název souboru | ||||
| 	 * @return Metainformace o souboru | ||||
| 	 */ | ||||
| 	public FileMetainfo saveAndCreateInfo(byte[] data, String name); | ||||
| 
 | ||||
| 	/** | ||||
| 	 * Uloží data předaná jako File do uložiště příloh a vrátí metainformace. | ||||
| 	 * Metoda řeší deduplikaci souborů, takže v uložišti je fyzicky vždy jen jedna kopie. | ||||
| 	 * | ||||
| 	 * @see info.bukova.isspst.data.FileMetainfo | ||||
| 	 * | ||||
| 	 * @param file Objekt reprezentující soubor | ||||
| 	 * @param name Zobrazovaný název souboru | ||||
| 	 * @return Metainformace o souboru | ||||
| 	 */ | ||||
| 	public FileMetainfo saveAndCreateInfo(File file, String name); | ||||
| 
 | ||||
| 	/** | ||||
| 	 * Vrátí metainformace podle fyzické cesty v uložišti. | ||||
| 	 * | ||||
| 	 * @param path Cesta k souboru v uložišti | ||||
| 	 * @return Metainformace o souboru | ||||
| 	 */ | ||||
| 	public FileMetainfo getMetainfoForPath(String path); | ||||
| 
 | ||||
| 	/** | ||||
| 	 * Bezpečně odstraní přílohu ze záznamu. Záznam o příloze odstraní z kolekce příloh a následně zavolá metodu | ||||
| 	 * removeFile(FileMetainfo info), která soubor fyzicky smaže, pokud už není nikam linkovaný. | ||||
| 	 * | ||||
| 	 * @param entity Entita s přílohami | ||||
| 	 * @param metaInfo Příloha k odstranění | ||||
| 	 */ | ||||
| 	public void removeAttachment(EntityWithAttachment entity, FileMetainfo metaInfo); | ||||
| 
 | ||||
| 	/** | ||||
| 	 * Bezpečně odstraní všechny přílohy ze záznamu. | ||||
| 	 * | ||||
| 	 * @param entity Entita s přílohami | ||||
| 	 */ | ||||
| 	public void removaAllAttachments(EntityWithAttachment entity); | ||||
| 
 | ||||
| } | ||||
| @ -0,0 +1,222 @@ | ||||
| package info.bukova.isspst.storage; | ||||
| 
 | ||||
| import info.bukova.isspst.dao.QueryDao; | ||||
| import info.bukova.isspst.data.FileMetainfo; | ||||
| import org.apache.commons.codec.binary.Hex; | ||||
| import org.hibernate.Query; | ||||
| import org.springframework.beans.factory.annotation.Autowired; | ||||
| import org.springframework.transaction.annotation.Transactional; | ||||
| 
 | ||||
| import java.io.*; | ||||
| import java.security.MessageDigest; | ||||
| import java.security.NoSuchAlgorithmException; | ||||
| import java.util.List; | ||||
| import java.util.UUID; | ||||
| 
 | ||||
| /** | ||||
|  * @author Pepa Rokos | ||||
|  * | ||||
|  * Třída pro práci s uložištěm příloh u záznamů. Na soubory příloh se odkazuje pomocí objektů FileMetainfo. | ||||
|  * | ||||
|  * @see info.bukova.isspst.data.FileMetainfo | ||||
|  */ | ||||
| public class DocumentFileStorageImpl extends AbstractFileStorage<FileMetainfo> implements DocumentFileStorage { | ||||
| 
 | ||||
| 	private String rootPath; | ||||
| 	@Autowired | ||||
| 	private QueryDao queryDao; | ||||
| 
 | ||||
| 	/** | ||||
| 	 * Nastavuje kořenová adresář pro ukládání příloh. Nastavuje se absolutní cesta na filesystému serveru. | ||||
| 	 * | ||||
| 	 * @param rootPath kořenový adresář pro přílohy | ||||
| 	 */ | ||||
| 	public void setRootPath(String rootPath) { | ||||
| 		this.rootPath = rootPath; | ||||
| 	} | ||||
| 
 | ||||
| 	@Override | ||||
| 	public void saveFile(byte[] data, FileMetainfo fileID) { | ||||
| 		String fileName = generateFileName(fileID.getFileName()); | ||||
| 
 | ||||
| 		saveFileDataToPath(data, rootPath + File.separator + fileName); | ||||
| 		fileID.setPathInFilesystem(fileName); | ||||
| 		fileID.setContentType(MimeTypes.getContentType(data, fileName)); | ||||
| 	} | ||||
| 
 | ||||
| 	@Override | ||||
| 	public void saveFile(File file, FileMetainfo fileID) { | ||||
| 		String fileName = generateFileName(fileID.getFileName()); | ||||
| 
 | ||||
| 		saveFileToPtah(file, rootPath + File.separator + fileName); | ||||
| 		fileID.setPathInFilesystem(fileName); | ||||
| 		fileID.setContentType(MimeTypes.getContentType(readFile(file), fileName)); | ||||
| 	} | ||||
| 
 | ||||
| 	private String generateFileName(String originalName) { | ||||
| 		String extension = null; | ||||
| 		String fileName = UUID.randomUUID().toString(); | ||||
| 
 | ||||
| 		if (originalName != null && !originalName.isEmpty()) { | ||||
| 			extension = MimeTypes.fileExtension(originalName); | ||||
| 		} | ||||
| 
 | ||||
| 		if (extension != null) { | ||||
| 			fileName = fileName + "." + extension; | ||||
| 		} | ||||
| 
 | ||||
| 		return fileName; | ||||
| 	} | ||||
| 
 | ||||
| 	@Override | ||||
| 	@Transactional | ||||
| 	public void removeFile(FileMetainfo fileID) { | ||||
| 		if (fileID.getPathInFilesystem() == null || fileID.getPathInFilesystem().isEmpty()) { | ||||
| 			return; | ||||
| 		} | ||||
| 
 | ||||
| 		if (infosForPath(fileID.getPathInFilesystem()).size() <= 1) { | ||||
| 			removeFileByPath(rootPath + File.separator + fileID.getPathInFilesystem()); | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	@Override | ||||
| 	public void moveFile(String source, String destination) { | ||||
| 		throw new UnsupportedOperationException(); | ||||
| 	} | ||||
| 
 | ||||
| 	@Override | ||||
| 	public void createDirectory(String dir) { | ||||
| 		throw new UnsupportedOperationException(); | ||||
| 	} | ||||
| 
 | ||||
| 	@Override | ||||
| 	public byte[] fileData(FileMetainfo fileID) { | ||||
| 		if (fileID.getPathInFilesystem() != null && !fileID.getPathInFilesystem().isEmpty()) { | ||||
| 			return fileDataFromPath(rootPath + File.separator + fileID.getPathInFilesystem()); | ||||
| 		} | ||||
| 
 | ||||
| 		return null; | ||||
| 	} | ||||
| 
 | ||||
| 	@Override | ||||
| 	public File file(FileMetainfo fileID) { | ||||
| 		if (fileID.getPathInFilesystem() != null && !fileID.getPathInFilesystem().isEmpty()) { | ||||
| 			return fileFromPath(rootPath + File.separator + fileID.getPathInFilesystem()); | ||||
| 		} | ||||
| 
 | ||||
| 		return null; | ||||
| 	} | ||||
| 
 | ||||
| 	@Override | ||||
| 	public boolean dirExists(String path) { | ||||
| 		throw new UnsupportedOperationException(); | ||||
| 	} | ||||
| 
 | ||||
| 	@Override | ||||
| 	public String serverPath(FileMetainfo fileID) { | ||||
| 		return "/api/dl/" + fileID.getPathInFilesystem() + "/" + fileID.getFileName(); | ||||
| 	} | ||||
| 
 | ||||
| 	@Override | ||||
| 	@Transactional | ||||
| 	public FileMetainfo saveAndCreateInfo(byte[] data, String name) { | ||||
| 		FileMetainfo metaInfo = new FileMetainfo(); | ||||
| 		metaInfo.setFileName(name); | ||||
| 
 | ||||
| 		if (!checkForDuplicate(new ByteArrayInputStream(data), metaInfo)) { | ||||
| 			saveFile(data, metaInfo); | ||||
| 		} | ||||
| 
 | ||||
| 		return metaInfo; | ||||
| 	} | ||||
| 
 | ||||
| 	@Override | ||||
| 	@Transactional | ||||
| 	public FileMetainfo saveAndCreateInfo(File file, String name) { | ||||
| 		FileMetainfo metaInfo = new FileMetainfo(); | ||||
| 		metaInfo.setFileName(name); | ||||
| 
 | ||||
| 		try { | ||||
| 			if (!checkForDuplicate(new FileInputStream(file), metaInfo)) { | ||||
| 				saveFile(file, metaInfo); | ||||
| 			} | ||||
| 		} catch (FileNotFoundException e) { | ||||
| 			//TODO: ošetřit
 | ||||
| 			e.printStackTrace(); | ||||
| 		} | ||||
| 
 | ||||
| 		return metaInfo; | ||||
| 	} | ||||
| 
 | ||||
| 	@Override | ||||
| 	@Transactional | ||||
| 	public FileMetainfo getMetainfoForPath(String path) { | ||||
| 		if (infosForPath(path).isEmpty()) { | ||||
| 			return null; | ||||
| 		} | ||||
| 
 | ||||
| 		return infosForPath(path).get(0); | ||||
| 	} | ||||
| 
 | ||||
| 	private List<FileMetainfo> infosForPath(String path) { | ||||
| 		Query q = queryDao.getQuery("from FileMetainfo info where info.pathInFilesystem = :path"); | ||||
| 		q.setString("path", path); | ||||
| 
 | ||||
| 		return q.list(); | ||||
| 	} | ||||
| 
 | ||||
| 	private boolean checkForDuplicate(InputStream is, FileMetainfo info) { | ||||
| 		String md5 = null; | ||||
| 		try { | ||||
| 			MessageDigest md = MessageDigest.getInstance("MD5"); | ||||
| 			byte[] dataBytes = new byte[1024]; | ||||
| 			int nread = 0; | ||||
| 
 | ||||
| 			while ((nread = is.read(dataBytes)) != -1) { | ||||
| 				md.update(dataBytes, 0, nread); | ||||
| 			} | ||||
| 
 | ||||
| 			md5 = new String(Hex.encodeHex(md.digest())); | ||||
| 		} catch (NoSuchAlgorithmException e) { | ||||
| 			//TODO: ošetřit
 | ||||
| 			e.printStackTrace(); | ||||
| 			return false; | ||||
| 		} catch (IOException e) { | ||||
| 			e.printStackTrace(); | ||||
| 		} | ||||
| 
 | ||||
| 		Query q = queryDao.getQuery("select info from FileMetainfo info where info.md5 = :md5"); | ||||
| 		q.setString("md5", md5); | ||||
| 		List<FileMetainfo> found = (List<FileMetainfo>) q.list(); | ||||
| 
 | ||||
| 		if (!found.isEmpty()) { | ||||
| 			FileMetainfo foundInfo = found.get(0); | ||||
| 			info.setPathInFilesystem(foundInfo.getPathInFilesystem()); | ||||
| 			info.setMd5(foundInfo.getMd5()); | ||||
| 			info.setContentType(foundInfo.getContentType()); | ||||
| 
 | ||||
| 			return true; | ||||
| 		} else { | ||||
| 			info.setMd5(md5); | ||||
| 			return false; | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	@Override | ||||
| 	@Transactional | ||||
| 	public void removeAttachment(EntityWithAttachment entity, FileMetainfo metaInfo) { | ||||
| 		entity.removeAttachment(metaInfo); | ||||
| 		removeFile(metaInfo); | ||||
| 	} | ||||
| 
 | ||||
| 	@Override | ||||
| 	@Transactional | ||||
| 	public void removaAllAttachments(EntityWithAttachment entity) { | ||||
| 		for (FileMetainfo metaInfo : entity.getAttachedFiles()) { | ||||
| 			removeFile(metaInfo); | ||||
| 		} | ||||
| 
 | ||||
| 		entity.getAttachedFiles().clear(); | ||||
| 	} | ||||
| } | ||||
| @ -0,0 +1,18 @@ | ||||
| package info.bukova.isspst.storage; | ||||
| 
 | ||||
| import info.bukova.isspst.data.FileMetainfo; | ||||
| 
 | ||||
| import java.util.List; | ||||
| 
 | ||||
| /** | ||||
|  * Rozhraní datových entit s přílohami. | ||||
|  * | ||||
|  * @author Pepa Rokos | ||||
|  */ | ||||
| public interface EntityWithAttachment { | ||||
| 
 | ||||
| 	public List<FileMetainfo> getAttachedFiles(); | ||||
| 	public void addAttachment(FileMetainfo metaInfo); | ||||
| 	public void removeAttachment(FileMetainfo metainfo); | ||||
| 
 | ||||
| } | ||||
| @ -0,0 +1,284 @@ | ||||
| package info.bukova.isspst.storage; | ||||
| 
 | ||||
| import java.io.IOException; | ||||
| import java.io.InputStream; | ||||
| import java.util.HashMap; | ||||
| import java.util.Map; | ||||
| import java.util.Properties; | ||||
| import java.util.StringTokenizer; | ||||
| 
 | ||||
| /** | ||||
|  * Created by pepa on 30.1.15. | ||||
|  */ | ||||
| public class MimeTypes { | ||||
| 
 | ||||
| 	public static String getContentType(byte[] data) | ||||
| 	{ | ||||
| 		return getContentType(data, null); | ||||
| 	} | ||||
| 
 | ||||
| 	public static String getContentType(byte[] data, String name) | ||||
| 	{ | ||||
| 		if (data == null) | ||||
| 		{ | ||||
| 			return null; | ||||
| 		} | ||||
| 		byte[] header = new byte[11]; | ||||
| 		System.arraycopy(data, 0, header, 0, Math.min(data.length, header.length)); | ||||
| 		int c1 = header[0] & 0xff; | ||||
| 		int c2 = header[1] & 0xff; | ||||
| 		int c3 = header[2] & 0xff; | ||||
| 		int c4 = header[3] & 0xff; | ||||
| 		int c5 = header[4] & 0xff; | ||||
| 		int c6 = header[5] & 0xff; | ||||
| 		int c7 = header[6] & 0xff; | ||||
| 		int c8 = header[7] & 0xff; | ||||
| 		int c9 = header[8] & 0xff; | ||||
| 		int c10 = header[9] & 0xff; | ||||
| 		int c11 = header[10] & 0xff; | ||||
| 
 | ||||
| 		if (c1 == 0xCA && c2 == 0xFE && c3 == 0xBA && c4 == 0xBE) | ||||
| 		{ | ||||
| 			return "application/java-vm"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 0xD0 && c2 == 0xCF && c3 == 0x11 && c4 == 0xE0 && c5 == 0xA1 && c6 == 0xB1 && c7 == 0x1A && c8 == 0xE1) | ||||
| 		{ | ||||
| 			// if the name is set then check if it can be validated by name, because it could be a xls or powerpoint
 | ||||
| 			String contentType = guessContentTypeFromName(name); | ||||
| 			if (contentType != null) | ||||
| 			{ | ||||
| 				return contentType; | ||||
| 			} | ||||
| 			return "application/msword"; | ||||
| 		} | ||||
| 		if (c1 == 0x25 && c2 == 0x50 && c3 == 0x44 && c4 == 0x46 && c5 == 0x2d && c6 == 0x31 && c7 == 0x2e) | ||||
| 		{ | ||||
| 			return "application/pdf"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 0x38 && c2 == 0x42 && c3 == 0x50 && c4 == 0x53 && c5 == 0x00 && c6 == 0x01) | ||||
| 		{ | ||||
| 			return "image/photoshop"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 0x25 && c2 == 0x21 && c3 == 0x50 && c4 == 0x53) | ||||
| 		{ | ||||
| 			return "application/postscript"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 0xff && c2 == 0xfb && c3 == 0x30) | ||||
| 		{ | ||||
| 			return "audio/mp3"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 0x49 && c2 == 0x44 && c3 == 0x33) | ||||
| 		{ | ||||
| 			return "audio/mp3"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 0xAC && c2 == 0xED) | ||||
| 		{ | ||||
| 			// next two bytes are version number, currently 0x00 0x05
 | ||||
| 			return "application/x-java-serialized-object"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == '<') | ||||
| 		{ | ||||
| 			if (c2 == '!' || | ||||
| 					((c2 == 'h' && (c3 == 't' && c4 == 'm' && c5 == 'l' || c3 == 'e' && c4 == 'a' && c5 == 'd') || (c2 == 'b' && c3 == 'o' && c4 == 'd' && c5 == 'y'))) || | ||||
| 					((c2 == 'H' && (c3 == 'T' && c4 == 'M' && c5 == 'L' || c3 == 'E' && c4 == 'A' && c5 == 'D') || (c2 == 'B' && c3 == 'O' && c4 == 'D' && c5 == 'Y')))) | ||||
| 			{ | ||||
| 				return "text/html"; | ||||
| 			} | ||||
| 
 | ||||
| 			if (c2 == '?' && c3 == 'x' && c4 == 'm' && c5 == 'l' && c6 == ' ') | ||||
| 			{ | ||||
| 				return "application/xml"; | ||||
| 			} | ||||
| 		} | ||||
| 
 | ||||
| 		// big and little endian UTF-16 encodings, with byte order mark
 | ||||
| 		if (c1 == 0xfe && c2 == 0xff) | ||||
| 		{ | ||||
| 			if (c3 == 0 && c4 == '<' && c5 == 0 && c6 == '?' && c7 == 0 && c8 == 'x') | ||||
| 			{ | ||||
| 				return "application/xml"; | ||||
| 			} | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 0xff && c2 == 0xfe) | ||||
| 		{ | ||||
| 			if (c3 == '<' && c4 == 0 && c5 == '?' && c6 == 0 && c7 == 'x' && c8 == 0) | ||||
| 			{ | ||||
| 				return "application/xml"; | ||||
| 			} | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 'B' && c2 == 'M') | ||||
| 		{ | ||||
| 			return "image/bmp"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 0x49 && c2 == 0x49 && c3 == 0x2a && c4 == 0x00) | ||||
| 		{ | ||||
| 			return "image/tiff"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 0x4D && c2 == 0x4D && c3 == 0x00 && c4 == 0x2a) | ||||
| 		{ | ||||
| 			return "image/tiff"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 'G' && c2 == 'I' && c3 == 'F' && c4 == '8') | ||||
| 		{ | ||||
| 			return "image/gif"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == '#' && c2 == 'd' && c3 == 'e' && c4 == 'f') | ||||
| 		{ | ||||
| 			return "image/x-bitmap"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == '!' && c2 == ' ' && c3 == 'X' && c4 == 'P' && c5 == 'M' && c6 == '2') | ||||
| 		{ | ||||
| 			return "image/x-pixmap"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 137 && c2 == 80 && c3 == 78 && c4 == 71 && c5 == 13 && c6 == 10 && c7 == 26 && c8 == 10) | ||||
| 		{ | ||||
| 			return "image/png"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 0xFF && c2 == 0xD8 && c3 == 0xFF) | ||||
| 		{ | ||||
| 			if (c4 == 0xE0) | ||||
| 			{ | ||||
| 				return "image/jpeg"; | ||||
| 			} | ||||
| 
 | ||||
| 			/** | ||||
| 			 * File format used by digital cameras to store images. Exif Format can be read by any application supporting JPEG. Exif Spec can be found at: | ||||
| 			 * http://www.pima.net/standards/it10/PIMA15740/Exif_2-1.PDF
 | ||||
| 			 */ | ||||
| 			if ((c4 == 0xE1) && (c7 == 'E' && c8 == 'x' && c9 == 'i' && c10 == 'f' && c11 == 0)) | ||||
| 			{ | ||||
| 				return "image/jpeg"; | ||||
| 			} | ||||
| 
 | ||||
| 			if (c4 == 0xEE) | ||||
| 			{ | ||||
| 				return "image/jpg"; | ||||
| 			} | ||||
| 		} | ||||
| 
 | ||||
| 		/** | ||||
| 		 * According to http://www.opendesign.com/files/guestdownloads/OpenDesign_Specification_for_.dwg_files.pdf
 | ||||
| 		 * first 6 bytes are of type "AC1018" (for example) and the next 5 bytes are 0x00. | ||||
| 		 */ | ||||
| 		if ((c1 == 0x41 && c2 == 0x43) && (c7 == 0x00 && c8 == 0x00 && c9 == 0x00 && c10 == 0x00 && c11 == 0x00)) | ||||
| 		{ | ||||
| 			return "application/acad"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 0x2E && c2 == 0x73 && c3 == 0x6E && c4 == 0x64) | ||||
| 		{ | ||||
| 			return "audio/basic"; // .au
 | ||||
| 			// format,
 | ||||
| 			// big
 | ||||
| 			// endian
 | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 0x64 && c2 == 0x6E && c3 == 0x73 && c4 == 0x2E) | ||||
| 		{ | ||||
| 			return "audio/basic"; // .au
 | ||||
| 			// format,
 | ||||
| 			// little
 | ||||
| 			// endian
 | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 'R' && c2 == 'I' && c3 == 'F' && c4 == 'F') | ||||
| 		{ | ||||
| 			/* | ||||
| 			 * I don't know if this is official but evidence suggests that .wav files start with "RIFF" - brown | ||||
| 			 */ | ||||
| 			return "audio/x-wav"; | ||||
| 		} | ||||
| 
 | ||||
| 		if (c1 == 'P' && c2 == 'K') | ||||
| 		{ | ||||
| 			// its application/zip but this could be a open office thing if name is given
 | ||||
| 			String contentType = guessContentTypeFromName(name); | ||||
| 			if (contentType != null) | ||||
| 			{ | ||||
| 				return contentType; | ||||
| 			} | ||||
| 			return "application/zip"; | ||||
| 		} | ||||
| 		return guessContentTypeFromName(name); | ||||
| 	} | ||||
| 
 | ||||
| 	private static final Map<String, String> mimeTypes = new HashMap<String, String>(); | ||||
| 
 | ||||
| 	public static String guessContentTypeFromName(String name) | ||||
| 	{ | ||||
| 		if (name == null) return null; | ||||
| 
 | ||||
| 		int lastIndex = name.lastIndexOf('.'); | ||||
| 		if (lastIndex != -1) | ||||
| 		{ | ||||
| 			String extention = name.substring(lastIndex + 1).toLowerCase(); | ||||
| 			if (mimeTypes.size() == 0) | ||||
| 			{ | ||||
| 				HashMap<String, String> tempMap = new HashMap<String, String>(); | ||||
| 				InputStream is = MimeTypes.class.getResourceAsStream("mime.types.properties"); | ||||
| 				try | ||||
| 				{ | ||||
| 					Properties properties = new Properties(); | ||||
| 					properties.load(is); | ||||
| 					for (Object key : properties.keySet()) | ||||
| 					{ | ||||
| 						String property = properties.getProperty((String)key); | ||||
| 						StringTokenizer st = new StringTokenizer(property, " "); | ||||
| 						while (st.hasMoreTokens()) | ||||
| 						{ | ||||
| 							tempMap.put(st.nextToken(), (String)key); | ||||
| 						} | ||||
| 					} | ||||
| 				} | ||||
| 				catch (IOException e) | ||||
| 				{ | ||||
| 					//Debug.error(e);
 | ||||
| 				} | ||||
| 				finally | ||||
| 				{ | ||||
| 					try | ||||
| 					{ | ||||
| 						is.close(); | ||||
| 					} | ||||
| 					catch (IOException e) | ||||
| 					{ | ||||
| 						//Debug.error(e);
 | ||||
| 					} | ||||
| 				} | ||||
| 				synchronized (mimeTypes) | ||||
| 				{ | ||||
| 					mimeTypes.putAll(tempMap); | ||||
| 				} | ||||
| 			} | ||||
| 			return mimeTypes.get(extention); | ||||
| 		} | ||||
| 		return null; | ||||
| 	} | ||||
| 
 | ||||
| 	public static String fileExtension(String fileName) { | ||||
| 		int index = fileName.lastIndexOf("."); | ||||
| 
 | ||||
| 		if (index > -1) { | ||||
| 			return fileName.substring(index + 1); | ||||
| 		} | ||||
| 
 | ||||
| 		return ""; | ||||
| 	} | ||||
| 
 | ||||
| } | ||||
| @ -0,0 +1,66 @@ | ||||
| package info.bukova.isspst.storage; | ||||
| 
 | ||||
| import info.bukova.isspst.data.FileMetainfo; | ||||
| import org.slf4j.Logger; | ||||
| import org.slf4j.LoggerFactory; | ||||
| import org.springframework.beans.factory.annotation.Autowired; | ||||
| import org.springframework.stereotype.Controller; | ||||
| import org.springframework.web.bind.annotation.PathVariable; | ||||
| import org.springframework.web.bind.annotation.RequestMapping; | ||||
| 
 | ||||
| import javax.servlet.ServletOutputStream; | ||||
| import javax.servlet.http.HttpServletResponse; | ||||
| import java.io.IOException; | ||||
| 
 | ||||
| /** | ||||
|  * Created by pepa on 2.2.15. | ||||
|  */ | ||||
| 
 | ||||
| @Controller | ||||
| public class StorageController { | ||||
| 
 | ||||
| 	@Autowired | ||||
| 	private DocumentFileStorage documentStorage; | ||||
| 	private static final Logger logger = LoggerFactory.getLogger(StorageController.class); | ||||
| 
 | ||||
| 	@RequestMapping(value = "dl/{path}/{name}") | ||||
| 	public void viewFile(HttpServletResponse response, @PathVariable("path") String path, | ||||
| 						 @PathVariable("name") String name) { | ||||
| 		ServletOutputStream os = null; | ||||
| 
 | ||||
| 		try { | ||||
| 			os = response.getOutputStream(); | ||||
| 			FileMetainfo metainfo = new FileMetainfo(); | ||||
| 			metainfo.setPathInFilesystem(path); | ||||
| 			byte[] data = null; | ||||
| 
 | ||||
| 			try { | ||||
| 				data = documentStorage.fileData(metainfo); | ||||
| 				metainfo.setContentType(MimeTypes.getContentType(data, path)); | ||||
| 			} catch (StorageException e) { | ||||
| 				response.sendError(404); | ||||
| 			} | ||||
| 
 | ||||
| 			if (data != null) { | ||||
| 				response.setContentType(metainfo.getContentType()); | ||||
| 				response.setContentLength(data.length); | ||||
| 
 | ||||
| 				os.write(data, 0, data.length); | ||||
| 				os.flush(); | ||||
| 				os.close(); | ||||
| 			} | ||||
| 		} catch (IOException e) { | ||||
| 			logger.error("I/O error: " + e.getMessage()); | ||||
| 		} finally { | ||||
| 			if (os != null) { | ||||
| 				try { | ||||
| 					os.close(); | ||||
| 				} catch (IOException e) { | ||||
| 					e.printStackTrace(); | ||||
| 				} | ||||
| 			} | ||||
| 		} | ||||
| 
 | ||||
| 	} | ||||
| 
 | ||||
| } | ||||
| @ -0,0 +1,2 @@ | ||||
| storage.root=/home/pepa/tmp/isspst | ||||
| storage.fulltextIndex=/home/pepa/tmp/isspst | ||||
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