file-cms.git - Ulrich Hilger Code Repository

ulrich

2018-03-04 8a8152eebc30f4efe8e8e40ba51f46b775476674

commit \| author \| age
8931b7	1	/*
U	2	Dateiverwaltung - File management in your browser
	3	Copyright (C) 2017 Ulrich Hilger, http://uhilger.de
	4
	5	This program is free software: you can redistribute it and/or modify
	6	it under the terms of the GNU Affero General Public License as
	7	published by the Free Software Foundation, either version 3 of the
	8	License, or (at your option) any later version.
	9
	10	This program is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	GNU Affero General Public License for more details.
	14
	15	You should have received a copy of the GNU Affero General Public License
	16	along with this program. If not, see <http://www.gnu.org/licenses/>.
	17	*/
	18
c7c502	19	package de.uhilger.filecms.api;
U	20
6e70be	21	import de.uhilger.filecms.data.FileRef;
d14d78	22	import de.uhilger.filecms.pub.AbstractComparator;
U	23	import de.uhilger.filecms.pub.FileNameComparator;
bb9f8c	24	import de.uhilger.wbx.Bild;
8e51b7	25	import java.io.File;
3ad4db	26	import java.io.FileNotFoundException;
6bd2c1	27	import java.io.FileOutputStream;
3ad4db	28	import java.io.FileReader;
e5ff42	29	import java.io.FileWriter;
U	30	import java.io.IOException;
6bd2c1	31	import java.io.InputStream;
fab80c	32	import java.io.Reader;
e5ff42	33	import java.security.Principal;
7342b1	34	import java.util.ArrayList;
d14d78	35	import java.util.Arrays;
6bd2c1	36	import java.util.Enumeration;
5bfd34	37	import java.util.Iterator;
7342b1	38	import java.util.List;
e5ff42	39	import java.util.logging.Level;
8e51b7	40	import java.util.logging.Logger;
6bd2c1	41	import java.util.zip.ZipEntry;
U	42	import java.util.zip.ZipFile;
bb9f8c	43	import net.coobird.thumbnailator.Thumbnails;
5bfd34	44	import org.apache.commons.io.FileUtils;
c7c502	45
U	46	/**
fafe1b	47	* Methoden zur Verwaltung von Dateien
c7c502	48	*/
8931b7	49	public class FileMgr extends Api {
8e51b7	50	private static final Logger logger = Logger.getLogger(FileMgr.class.getName());
c7c502	51
972e94	52
9e2964	53	public static final int OP_COPY = 1;
U	54	public static final int OP_MOVE = 2;
	55
ea7193	56	public String hallo() {
U	57	return "Hallo Welt!";
	58	}
	59
1f550a	60	/**
U	61	* Inhalte der WebBox listen. Hier wird nur der relative Pfad
	62	* ausgehend von www oder home ausgegeben sowie zudem ausgehend
	63	* von $daten und $basis, sofern der Benutzer die Rolle wbxAdmin hat.
	64	*
	65	* Andere Inhalte werden nicht ausgegeben.
	66	*
	67	* @param relPath
	68	* @return
	69	*/
7342b1	70	public List<FileRef> list(String relPath) {
d14d78	71	return listInt(relPath, "name", AbstractComparator.ORDER_ASC);
U	72	}
	73
	74	public List<FileRef> listOrdered(String relPath, String orderBy, String order) {
	75	return listInt(relPath, orderBy, order);
	76	}
	77
	78	/**
	79	* Inhalte der WebBox listen. Hier wird nur der relative Pfad
	80	* ausgehend von www oder home ausgegeben sowie zudem ausgehend
	81	* von $daten und $basis, sofern der Benutzer die Rolle wbxAdmin hat.
	82	*
	83	* Andere Inhalte werden nicht ausgegeben.
	84	*
	85	* @param relPath
	86	* @param orderBy 'name'
	87	* @param order AbstractComparator.ORDER_ASC oder AbstractComparator.ORDER_DESC
	88	* @return
	89	*/
	90	private List<FileRef> listInt(String relPath, String orderBy, String order) {
f7d8bf	91	Bild bild = new Bild();
5dfab6	92	List<FileRef> files = new ArrayList();
3d0c6d	93	if (!relPath.startsWith(".")) {
U	94	if (relPath.length() == 0) {
	95	FileRef namedPublicFolder = new FileRef(PUB_DIR_NAME, true);
	96	logger.finer(namedPublicFolder.getAbsolutePath());
	97	FileRef namedHomeFolder = new FileRef(HOME_DIR_NAME, true);
	98	logger.finer(namedHomeFolder.getAbsolutePath());
	99	FileRef namedDavFolder = new FileRef(DAV_DIR_NAME, true);
	100	logger.finer(namedDavFolder.getAbsolutePath());
	101	files = new ArrayList();
	102	files.add(namedHomeFolder);
	103	files.add(namedPublicFolder);
	104	files.add(namedDavFolder);
	105	if (getRequest().isUserInRole(WBX_ADMIN_ROLE)) {
	106	FileRef namedBaseFolder = new FileRef(WBX_BASE, true);
	107	FileRef namedDataFolder = new FileRef(WBX_DATA, true);
	108	files.add(namedBaseFolder);
	109	files.add(namedDataFolder);
d14d78	110	}
3d0c6d	111	} else {
U	112	String path = getTargetDir(relPath).getAbsolutePath();
	113	logger.fine("listing path: " + path);
	114	File dir = new File(path);
	115	if (dir.exists()) {
	116	File[] fileArray = dir.listFiles();
	117	if (orderBy != null && orderBy.equalsIgnoreCase("name")) {
	118	Arrays.sort(fileArray, new FileNameComparator(order));
	119	} else {
	120	Arrays.sort(fileArray, new FileNameComparator(AbstractComparator.ORDER_ASC));
5bfd34	121	}
3d0c6d	122	for (int i = 0; i < fileArray.length; i++) {
U	123	logger.fine(fileArray[i].toURI().toString());
	124	String fname = fileArray[i].toURI().toString().replace("file:/", "");
	125	if (fileArray[i].isDirectory()) {
	126	fname = fname.substring(0, fname.length() - 1);
	127	}
	128	logger.fine(fname);
	129	FileRef ref = new FileRef(fname, fileArray[i].isDirectory());
	130	ref.setMimetype(bild.getMimeType(fileArray[i]));
	131	files.add(ref);
	132	}
5bfd34	133	}
5dfab6	134	}
3d0c6d	135	}
7342b1	136	return files;
2121cc	137	}
U	138
d14d78	139
c509a0	140	public FileRef newFolder(String relPath, String folderName) {
eb2a2d	141	if (!relPath.startsWith(".")) {
U	142	logger.finer(relPath);
	143	String targetPath = null;
	144	if(relPath.startsWith(PUB_DIR_NAME)) {
	145	targetPath = PUB_DIR_PATH + getUserName() + "/" + relPath.substring(PUB_DIR_NAME.length()) + "/" + folderName;
	146	} else if(relPath.startsWith(HOME_DIR_NAME)) {
	147	targetPath = HOME_DIR_PATH + getUserName() + "/" + relPath.substring(HOME_DIR_NAME.length()) + "/" + folderName;
	148	} else {
	149	// kann eigentlich nicht sein..
	150	}
	151	logger.finer(targetPath);
	152	File targetDir = new File(getBase().getAbsolutePath(), targetPath);
	153	targetDir.mkdirs();
	154	return new FileRef(targetDir.getAbsolutePath(), true);
c509a0	155	} else {
eb2a2d	156	return null;
c509a0	157	}
5dfab6	158	}
U	159
3ad4db	160	public String getCode(String relPath, String fileName) {
U	161	String code = null;
eb2a2d	162	if (!relPath.startsWith(".")) {
U	163	Object p = getRequest().getUserPrincipal();
	164	if (p instanceof Principal) {
	165	Reader reader = null;
3ad4db	166	try {
eb2a2d	167	File targetFile = new File(getTargetDir(relPath), fileName);
U	168
	169	//reader = new InputStreamReader(new FileInputStream(targetFile), "UTF8");
	170	reader = new FileReader(targetFile);
	171	StringBuffer buf = new StringBuffer();
	172	char[] readBuffer = new char[1024];
	173	int charsRead = reader.read(readBuffer);
	174	while (charsRead > -1) {
	175	buf.append(readBuffer, 0, charsRead);
	176	charsRead = reader.read(readBuffer);
	177	}
	178	code = buf.toString();
	179	} catch (FileNotFoundException ex) {
	180	Logger.getLogger(FileMgr.class.getName()).log(Level.SEVERE, null, ex);
3ad4db	181	} catch (IOException ex) {
U	182	Logger.getLogger(FileMgr.class.getName()).log(Level.SEVERE, null, ex);
eb2a2d	183	} finally {
U	184	try {
	185	reader.close();
	186	} catch (IOException ex) {
	187	Logger.getLogger(FileMgr.class.getName()).log(Level.SEVERE, null, ex);
	188	}
3ad4db	189	}
eb2a2d	190
3ad4db	191	}
eb2a2d	192	}
3ad4db	193	return code;
U	194	}
	195
663ee9	196	public String renameFile(String relPath, String fname, String newName) {
eb2a2d	197	if (!relPath.startsWith(".")) {
U	198	File targetDir = getTargetDir(relPath);
	199	File file = new File(targetDir, fname);
	200	file.renameTo(new File(targetDir, newName));
	201	return fname + " umbenannt zu " + newName;
	202	} else {
	203	return "Pfad nicht erlaubt.";
	204	}
663ee9	205	}
U	206
fc1897	207	public String deleteFiles(String relPath, List fileNames) {
U	208	String result = null;
	209	try {
	210	logger.fine(fileNames.toString());
eb2a2d	211	if (!relPath.startsWith(".")) {
U	212	File targetDir = getTargetDir(relPath);
	213	for(int i=0; i < fileNames.size(); i++) {
	214	Object o = fileNames.get(i);
	215	if(o instanceof ArrayList) {
	216	ArrayList al = (ArrayList) o;
	217	logger.fine(al.get(0).toString());
	218	File targetFile = new File(targetDir, al.get(0).toString());
	219	logger.fine(targetFile.getAbsolutePath());
	220	if(targetFile.isDirectory()) {
	221	FileUtils.deleteDirectory(targetFile);
	222	} else {
	223	targetFile.delete();
	224	}
5bfd34	225	}
fc1897	226	}
eb2a2d	227	result = "deleted";
fc1897	228	}
U	229	} catch (Throwable ex) {
	230	logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
	231	}
	232	return result;
	233	}
	234
9e2964	235	public String copyFiles(String fromPath, String toPath, List fileNames) {
fab629	236	return copyOrMoveFiles(fromPath, toPath, fileNames, OP_COPY);
9e2964	237	}
U	238
	239	public String moveFiles(String fromPath, String toPath, List fileNames) {
fab629	240	return copyOrMoveFiles(fromPath, toPath, fileNames, OP_MOVE);
U	241	}
	242
	243	private String copyOrMoveFiles(String fromPath, String toPath, List fileNames, int operation) {
5bfd34	244	String result = null;
U	245	try {
eb2a2d	246	if (!fromPath.startsWith(".")) {
U	247	File srcDir = getTargetDir(fromPath);
	248	File targetDir = getTargetDir(toPath);
	249	Iterator i = fileNames.iterator();
	250	while(i.hasNext()) {
	251	Object o = i.next();
	252	if (o instanceof ArrayList) {
	253	ArrayList al = (ArrayList) o;
	254	File srcFile = new File(srcDir, al.get(0).toString());
	255	if(srcFile.isDirectory()) {
	256	if(operation == OP_MOVE) {
	257	FileUtils.moveDirectoryToDirectory(srcFile, targetDir, false);
	258	} else {
	259	FileUtils.copyDirectoryToDirectory(srcFile, targetDir);
	260	}
fab629	261	} else {
eb2a2d	262	if(operation == OP_MOVE) {
U	263	FileUtils.moveFileToDirectory(srcFile, targetDir, false);
	264	} else {
	265	FileUtils.copyFileToDirectory(srcFile, targetDir);
	266	}
fab629	267	}
5bfd34	268	}
U	269	}
	270	}
	271	} catch (IOException ex) {
	272	logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
	273	}
	274	return result;
9e2964	275	}
U	276
47e9d4	277	public FileRef saveTextFileAs(String relPath, String fileName, String contents) {
U	278	FileRef savedFile = null;
	279	logger.fine(relPath + " " + fileName);
eb2a2d	280	if (!relPath.startsWith(".")) {
U	281	//FileRef datenRef = getBase();
	282	Object p = getRequest().getUserPrincipal();
	283	if(p instanceof Principal) {
	284	File targetFile = new File(getTargetDir(relPath), fileName);
	285	if(targetFile.exists()) {
	286	targetFile = getNewFileName(targetFile);
	287	} else {
	288	targetFile.getParentFile().mkdirs();
	289	}
	290	saveToFile(targetFile, contents);
47e9d4	291	}
U	292	}
	293	return savedFile;
	294	}
	295
	296	private File getNewFileName(File file) {
	297	File dir = file.getParentFile();
	298	String targetName = file.getName();
	299	logger.fine("targetName: " + targetName);
	300	String ext = "";
	301	int dotpos = targetName.indexOf(".");
	302	if(dotpos > -1) {
	303	ext = targetName.substring(dotpos);
	304	targetName = targetName.substring(0, dotpos);
	305	}
	306	logger.fine("targetName: " + targetName + ", ext: " + ext);
	307	int i = 1;
	308	while(file.exists()) {
	309	StringBuffer buf = new StringBuffer();
	310	buf.append(targetName);
	311	buf.append("-");
	312	buf.append(i);
	313	if(ext.length() > 0) {
	314	buf.append(ext);
	315	}
	316	file = new File(dir, buf.toString());
	317	i++;
	318	}
	319	logger.fine("new file: " + file.getName());
	320	return file;
942d63	321	}
47e9d4	322
U	323	private FileRef saveToFile(File targetFile, String contents) {
ea7193	324	FileRef savedFile = null;
e5ff42	325	try {
47e9d4	326	targetFile.createNewFile();
U	327	FileWriter w = new FileWriter(targetFile);
942d63	328	//w.write(StringEscapeUtils.unescapeHtml(contents));
47e9d4	329	w.write(contents);
U	330	w.flush();
	331	w.close();
	332	savedFile = new FileRef(
	333	targetFile.getAbsolutePath(),
	334	targetFile.isDirectory(),
	335	targetFile.isHidden(),
	336	targetFile.lastModified(),
	337	targetFile.length());
e5ff42	338	} catch (IOException ex) {
47e9d4	339	logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
U	340	}
	341	return savedFile;
	342	}
	343
	344	public FileRef saveTextFile(String relPath, String fileName, String contents) {
	345	FileRef savedFile = null;
	346	logger.fine(relPath + " " + fileName);
eb2a2d	347	if (!relPath.startsWith(".")) {
U	348	//FileRef datenRef = getBase();
	349	Object p = getRequest().getUserPrincipal();
	350	if(p instanceof Principal) {
	351	File targetFile = new File(getTargetDir(relPath), fileName);
	352	if(targetFile.exists()) {
	353	/*
	354	muss delete() sein?
	355	pruefen: ueberschreibt der FileWriter den alteen Inhalt oder
	356	entsteht eine unerwuenschte Mischung aus altem und neuem
	357	Inhalt?
	358	*/
	359	targetFile.delete();
	360	} else {
	361	targetFile.getParentFile().mkdirs();
	362	}
	363	saveToFile(targetFile, contents);
47e9d4	364	}
e5ff42	365	}
ea7193	366	return savedFile;
U	367	}
438b16	368
U	369	public String bildVerkleinern(String relPath, String bildName) {
eb2a2d	370	if (!relPath.startsWith(".")) {
U	371	File dir = getTargetDir(relPath);
	372	File original = new File(dir, bildName);
	373	Bild bild = new Bild();
	374	//for (int i = 0; i < Bild.GR.length; i++) {
	375
438b16	376	//int gr = bild.getVariantenGroesse(i);
U	377	String ext = "";
	378	String nurname = bildName;
	379	int dotpos = bildName.indexOf(".");
	380	if (dotpos > -1) {
	381	ext = bildName.substring(dotpos);
	382	nurname = bildName.substring(0, dotpos);
	383	}
eb2a2d	384
bb9f8c	385	// 120, 240, 500, 700, 1200
U	386
	387
	388	for (int i = 0; i < Bild.GR.length; i++) {
	389	StringBuffer buf = new StringBuffer();
	390	buf.append(nurname);
	391	buf.append(bild.getVariantenName(i));
	392	buf.append(ext);
	393	File newImgFile = new File(dir, buf.toString());
	394	try {
	395	Thumbnails.of(original)
	396	.size(bild.getVariantenGroesse(i), bild.getVariantenGroesse(i))
	397	.keepAspectRatio(true)
8a8152	398	.outputQuality(0.7)
bb9f8c	399	.toFile(newImgFile);
U	400	} catch (IOException ex) {
	401	logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
	402	}
	403	}
eb2a2d	404	return "ok";
U	405	} else {
	406	return "Pfad micht erlaubt.";
	407	}
438b16	408	}
6bd2c1	409
bb9f8c	410	public String bildRotieren(String relPath, String bildName) {
U	411	if (!relPath.startsWith(".")) {
	412	File dir = getTargetDir(relPath);
	413	File original = new File(dir, bildName);
	414
	415	String ext = "";
	416	String nurname = bildName;
	417	int dotpos = bildName.indexOf(".");
	418	if (dotpos > -1) {
	419	ext = bildName.substring(dotpos);
	420	nurname = bildName.substring(0, dotpos);
	421	}
	422
	423	StringBuffer buf = new StringBuffer();
	424	buf.append(nurname);
	425	buf.append("-rot");
	426	buf.append(ext);
	427	File newImgFile = new File(dir, buf.toString());
	428
	429	logger.fine("original: " + original.getAbsolutePath() + " newImgFile: " + newImgFile.getAbsolutePath());
	430
	431	try {
	432	Thumbnails.of(original)
	433	.scale(1)
	434	.rotate(90)
	435	.toFile(newImgFile);
	436	} catch (IOException ex) {
	437	logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
	438	}
	439
	440
	441	return "ok";
	442	} else {
	443	return "Pfad micht erlaubt.";
	444	}
	445	}
6bd2c1	446	public String extractZipfile(String relPath, String filename) {
eb2a2d	447	String result = null;
U	448	if (!relPath.startsWith(".")) {
	449	try {
	450	File targetDir = getTargetDir(relPath);
	451	File archive = new File(targetDir, filename);
	452	if(extract(archive)) {
	453	result = "ok";
	454	} else {
	455	result = "error while extracting";
	456	}
	457	} catch(Exception ex) {
	458	result = ex.getLocalizedMessage();
	459	logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
6bd2c1	460	}
U	461	}
	462	return result;
	463	}
	464
	465	/**
	466	* extract a given ZIP archive to the folder respective archive resides in
	467	* @param archive the archive to extract
	468	* @throws Exception
	469	*/
	470	private boolean extract(File archive) throws Exception {
	471	ZipFile zipfile = new ZipFile(archive);
	472	Enumeration en = zipfile.entries();
	473	while(en.hasMoreElements()) {
	474	ZipEntry zipentry = (ZipEntry) en.nextElement();
	475	unzip(zipfile, zipentry, archive.getParent());
	476	}
	477	zipfile.close();
	478	return true;
	479	}
	480
	481	/**
	482	* unzip a given entry of a given zip file to a given location
	483	* @param zipfile the zip file to read an entry from
	484	* @param zipentry the zip entry to read
	485	* @param destPath the path to the destination location for the extracted content
	486	* @throws IOException
	487	*/
	488	private void unzip(ZipFile zipfile, ZipEntry zipentry, String destPath) throws IOException {
	489	byte buf[] = new byte[1024];
	490	InputStream is = zipfile.getInputStream(zipentry);
	491	String outFileName = destPath + File.separator + zipentry.getName();
	492	File file = new File(outFileName);
	493	if(!zipentry.isDirectory()) {
	494	file.getParentFile().mkdirs();
	495	if(!file.exists())
	496	file.createNewFile();
	497	FileOutputStream fos = new FileOutputStream(file);
	498	int i = is.read(buf, 0, 1024);
	499	while(i > -1) {
	500	fos.write(buf, 0, i);
	501	i = is.read(buf, 0, 1024);
	502	}
	503	fos.close();
	504	is.close();
	505	} else {
	506	file.mkdirs();
	507	}
	508	}
	509
	510
438b16	511
5efd94	512	/* ---- Hilfsfunktionen ---- */
ea7193	513
547755	514	}