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yacy_search_server/htroot/htdocsdefault/dir.java

400 lines
20 KiB

// dir.java
// -----------------------
// (C) by Michael Peter Christen; mc@anomic.de
// first published on http://www.anomic.de
// Frankfurt, Germany, 2004, 2005
//
// $LastChangedDate$
// $LastChangedRevision$
// $LastChangedBy$
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Using this software in any meaning (reading, learning, copying, compiling,
// running) means that you agree that the Author(s) is (are) not responsible
// for cost, loss of data or any harm that may be caused directly or indirectly
// by usage of this softare or this documentation. The usage of this software
// is on your own risk. The installation and usage (starting/running) of this
// software may allow other people or application to access your computer and
// any attached devices and is highly dependent on the configuration of the
// software which must be done by the user of the software; the author(s) is
// (are) also not responsible for proper configuration and usage of the
// software, even if provoked by documentation provided together with
// the software.
//
// Any changes to this file according to the GPL as documented in the file
// gpl.txt aside this file in the shipment you received can be done to the
// lines that follows this copyright notice here, but changes must not be
// done inside the copyright notive above. A re-distribution must contain
// the intact and unchanged copyright notice.
// Contributions and changes to the program code must be marked as such.
//
// You must compile this file with
// javac -classpath <application_root>/classes <application_root>/htroot/htdocsdefault/dir.java
// which most probably means to compile this with
// javac -classpath ../../classes dir.java
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import de.anomic.net.URL;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.Iterator;
import java.util.Map;
import java.net.InetAddress;
import java.net.UnknownHostException;
import de.anomic.http.httpHeader;
import de.anomic.index.indexEntryAttribute;
import de.anomic.index.indexURL;
import de.anomic.kelondro.kelondroBase64Order;
import de.anomic.plasma.plasmaCondenser;
import de.anomic.plasma.plasmaCrawlLURL;
import de.anomic.plasma.plasmaSwitchboard;
import de.anomic.server.serverCodings;
import de.anomic.server.serverCore;
import de.anomic.server.serverFileUtils;
import de.anomic.server.serverMemory;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.server.logging.serverLog;
import de.anomic.tools.dirlistComparator;
import de.anomic.tools.md5DirFileFilter;
import de.anomic.yacy.yacyCore;
import de.anomic.yacy.yacySeed;
import de.anomic.data.userDB;
public class dir {
private static SimpleDateFormat SimpleFormatter = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
public static String dateString(Date date) {
return SimpleFormatter.format(date);
}
public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
final plasmaSwitchboard switchboard = (plasmaSwitchboard) env;
final serverObjects prop = new serverObjects();
// System.out.println("###Header="+ header);
// System.out.println("###post=" + post);
String action = ((post == null) ? "info" : post.get("action", "info"));
// variables for this path
// File htroot = new File(switchboard.getRootPath(), switchboard.getConfig("htRootPath", "htroot"));
final File htroot = new File(switchboard.getRootPath(), switchboard.getConfig("htDocsPath", "DATA/HTDOCS"));
String path = (String) header.get("PATH", "/");
int pos = path.lastIndexOf("/");
if (pos >= 0) { path = path.substring(0, pos + 1); }
final File dir = new File(htroot, path);
// general settings
prop.put("peername", env.getConfig("peerName", "<nameless>"));
prop.put("peerdomain", env.getConfig("peerName", "<nameless>").toLowerCase());
prop.put("peeraddress", yacyCore.seedDB.mySeed.getAddress());
prop.put("hostname", serverCore.publicIP());
try{
prop.put("hostip", InetAddress.getByName(serverCore.publicIP()).getHostAddress());
}catch(UnknownHostException e){
prop.put("hostip", "Unknown Host Exception");
}
prop.put("port", serverCore.getPortNr(env.getConfig("port","8080")));
// generate upload/download authorizations
final String adminAccountBase64MD5 = switchboard.getConfig("adminAccountBase64MD5", "");
final String uploadAccountBase64MD5 = switchboard.getConfig("uploadAccountBase64MD5", "");
final String downloadAccountBase64MD5 = switchboard.getConfig("downloadAccountBase64MD5", "");
userDB.Entry entry = switchboard.userDB.proxyAuth((String)header.get("Authorization", "xxxxxx"));
boolean adminAuthorization, downloadAuthorization, uploadAuthorization;
if(entry == null){
final String authorizationMD5 = de.anomic.server.serverCodings.encodeMD5Hex(((String) header.get("Authorization", "xxxxxx")).trim().substring(6));
// if (logoutAccountBase64.equals(authorization))
adminAuthorization = (adminAccountBase64MD5.length() != 0 && adminAccountBase64MD5.equals(authorizationMD5));
uploadAuthorization = (adminAuthorization ||(uploadAccountBase64MD5.length() != 0 && uploadAccountBase64MD5.equals(authorizationMD5)));
downloadAuthorization = (adminAuthorization || uploadAuthorization || downloadAccountBase64MD5.length() == 0 || downloadAccountBase64MD5.equals(authorizationMD5));
}else{ //userDB
adminAuthorization=entry.hasAdminRight();
uploadAuthorization=entry.hasUploadRight();
downloadAuthorization=entry.hasDownloadRight();
}
// do authentitcate processes by triggering the http authenticate method
if (action.equals("authenticateAdmin") && !adminAuthorization) {
prop.put("AUTHENTICATE", "admin log-in");
return prop;
}
if (action.equals("authenticateUpload") && !uploadAuthorization) {
prop.put("AUTHENTICATE", "upload log-in");
return prop;
}
if (action.equals("authenticateDownload") && !downloadAuthorization) {
prop.put("AUTHENTICATE", "download log-in");
return prop;
}
// work off actions
if (action.equals("logout")) {
if (adminAuthorization) {
prop.put("AUTHENTICATE", "admin log-in");
return prop;
} else if (uploadAuthorization) {
prop.put("AUTHENTICATE", "upload log-in");
return prop;
} else if (downloadAuthorization) {
prop.put("AUTHENTICATE", "download log-in");
return prop;
} else {
action = "";
}
} else if (action.equals("downloadPassword") && adminAuthorization) {
switchboard.setConfig("downloadAccountBase64MD5", (post.get("password", "").length() == 0) ? "" : serverCodings.encodeMD5Hex(kelondroBase64Order.standardCoder.encodeString("download:" + post.get("password", ""))));
} else if (action.equals("uploadPassword") && adminAuthorization) {
switchboard.setConfig("uploadAccountBase64MD5", (post.get("password", "").length() == 0) ? "" : serverCodings.encodeMD5Hex(kelondroBase64Order.standardCoder.encodeString("upload:" + post.get("password", ""))));
} else if (action.equals("upload") && (uploadAuthorization || adminAuthorization)) {
String filename = new File(post.get("file", "dummy")).getName();
String description = post.get("description", "");
pos = filename.lastIndexOf("\\");
if (pos >= 0) { filename = filename.substring(pos + 1); }
final File newfile = new File(dir, filename);
final File newfilemd5 = new File(dir, filename + ".md5");
final byte[] binary = (byte[]) post.get("file$file", new byte[0]);
try {
serverFileUtils.write(binary, newfile);
String md5s = serverCodings.encodeMD5Hex(newfile);
serverFileUtils.write((md5s + "\n" + description).getBytes("UTF-8"), newfilemd5); // generate md5
// index file info
if (post.get("indexing", "").equals("on")) {
final String urlstring = yacyhURL(yacyCore.seedDB.mySeed, filename, md5s);
final String phrase = filename.replace('.', ' ').replace('_', ' ').replace('-', ' ');
indexPhrase(switchboard, urlstring, phrase, description);
}
} catch (IOException e) {}
} else if (action.equals("newdir") && (uploadAuthorization || adminAuthorization)) {
final String newdirname = post.get("directory", "EmptyDir");
if (newdirname != null && newdirname.length() > 0) {
final File newdir = new File(dir, newdirname);
newdir.mkdir();
}
} else if (action.equals("delete") && adminAuthorization) {
String filename = post.get("file", "foo");
final File file = new File(dir, filename);
if (file.exists()) {
final File filemd5 = new File(dir, post.get("file", "foo") + ".md5");
// read md5 and phrase
String md5s = "";
String description = "";
if (filemd5.exists()) try {
md5s = new String(serverFileUtils.read(filemd5));
pos = md5s.indexOf('\n');
if (pos >= 0) {
description = md5s.substring(pos + 1);
md5s = md5s.substring(0, pos);
}
} catch (IOException e) {}
// delete file(s)
if (file.isDirectory()) {
final String[] content = file.list();
for (int i = 0; i < content.length; i++) (new File(file, content[i])).delete();
file.delete();
} else if (file.isFile()) {
file.delete();
if (filemd5.exists()) filemd5.delete();
}
// delete index
final String urlstring = yacyhURL(yacyCore.seedDB.mySeed, filename, md5s);
final String phrase = filename.replace('.', ' ').replace('_', ' ').replace('-', ' ');
deletePhrase(switchboard, urlstring, phrase, description);
}
}
// if authorized, generate directory tree listing
if ((adminAuthorization) || (uploadAuthorization) || (downloadAuthorization)) {
// generate dir listing
md5DirFileFilter fileFilter = new md5DirFileFilter();
final File[] list = dir.listFiles(fileFilter);
// sorting the dir list
dirlistComparator comparator = new dirlistComparator();
Arrays.sort(list,comparator);
String md5s, description;
// tree += "<span class=\"tt\">path&nbsp;=&nbsp;" + path + "</span><br><br>";
if (list != null) {
int filecount = 0, fileIdx = 0;
prop.put("path", path);
boolean dark = false;
for (int i = 0; i < list.length; i++) {
filecount++;
File f = list[i];
String fileName = f.getName();
// changing table row color
prop.put("dirlist_" + fileIdx + "_dark" , dark?1:0);
dark = !dark;
// reading the content of the md5 file that belongs
// to the file
File fmd5 = new File(dir, fileName + ".md5");
try {
if (fmd5.exists()) {
md5s = new String(serverFileUtils.read(fmd5));
pos = md5s.indexOf('\n');
if (pos >= 0) {
// the second line contains an optional description
description = md5s.substring(pos + 1);
// the first line contains the md5 sum of the file
md5s = md5s.substring(0, pos);
} else {
description = "";
}
} else {
// generate md5 on-the-fly
md5s = serverCodings.encodeMD5Hex(f);
description = "";
serverFileUtils.write((md5s + "\n" + description).getBytes("UTF-8"), fmd5);
}
} catch (IOException e) {
md5s = "";
description = "";
}
// last modification date if the entry
prop.put("dirlist_" + fileIdx + "_dir_date" , dateString(new Date(f.lastModified())));
// the entry name
prop.put("dirlist_" + fileIdx + "_dir_name" , fileName);
if (f.isDirectory()) {
// the entry is a directory
prop.put("dirlist_" + fileIdx + "_dir" , 1);
} else {
// determine if we should display the description string or a preview image
boolean showImage = (description.length() == 0) && (fileName.endsWith(".jpg") || fileName.endsWith(".gif") || fileName.endsWith(".png"));
// the entry is a file
prop.put("dirlist_" + fileIdx + "_dir" , 0);
// the file size
prop.put("dirlist_" + fileIdx + "_dir_size" , serverMemory.bytesToString(f.length()).replaceAll(" ", "&nbsp;"));
// the unique url
prop.put("dirlist_" + fileIdx + "_dir_yacyhURL",yacyhURL(yacyCore.seedDB.mySeed, fileName, md5s));
// the md5 sum of the file
prop.put("dirlist_" + fileIdx + "_dir_md5s",md5s);
// description mode: 0...image preview, 1...description text
prop.put("dirlist_" + fileIdx + "_dir_descriptionMode",showImage?0:1);
if (showImage) {
prop.put("dirlist_" + fileIdx + "_dir_descriptionMode_image",fileName);
} else {
prop.put("dirlist_" + fileIdx + "_dir_descriptionMode_text",description);
}
}
prop.put("dirlist_" + fileIdx + "_adminAuthorization",adminAuthorization?1:0);
prop.put("dirlist_" + fileIdx + "_adminAuthorization_name",fileName);
fileIdx++;
}
prop.put("dirlist",filecount);
prop.put("emptydir", filecount == 0 ? 1:0);
}
prop.put("authenticated",1);
} else {
prop.put("authenticated",0);
}
if (adminAuthorization) {
prop.put("ident", 0);
prop.put("logout", 0);
prop.put("account", 0);
prop.put("service",0);
prop.put("info", 0);
} else if (uploadAuthorization) {
prop.put("ident", 1);
prop.put("logout", 1);
prop.put("account", 1);
prop.put("service",0);
prop.put("info", 1);
} else if (downloadAuthorization) {
prop.put("ident", 2);
prop.put("logout", 2);
prop.put("account", 2);
prop.put("service",1);
prop.put("info", 2);
} else {
prop.put("ident", 3);
prop.put("logout", 3);
prop.put("account",3);
prop.put("service", 2);
prop.put("info", 3);
}
// return rewrite properties
return prop;
}
public static String yacyhURL(yacySeed seed, String filename, String md5) {
return "http://share." + seed.getHexHash() + ".yacyh/" + filename + "?md5=" + md5;
}
public static void indexPhrase(plasmaSwitchboard switchboard, String urlstring, String phrase, String descr) {
try {
final URL url = new URL(urlstring);
final plasmaCondenser condenser = new plasmaCondenser(new ByteArrayInputStream(("yacyshare. " + phrase + ". " + descr).getBytes()));
final plasmaCrawlLURL.Entry newEntry = switchboard.urlPool.loadedURL.newEntry(
url, "YaCyShare: " + descr, new Date(), new Date(),
"AAAAAAAAAAAA", /*referrer*/
0, /*copycount*/
false, /*localneed*/
condenser.RESULT_WORD_ENTROPHY,
"**", /*language*/
indexEntryAttribute.DT_SHARE, /*doctype*/
phrase.length(), /*size*/
condenser.RESULT_NUMB_WORDS
);
newEntry.store();
switchboard.urlPool.loadedURL.stackEntry(
newEntry,
"____________", /*initiator*/
yacyCore.seedDB.mySeed.hash, /*executor*/
5 /*process case*/
);
final String urlHash = newEntry.hash();
/*final int words =*/ switchboard.wordIndex.addPageIndex(url, urlHash, new Date(), phrase.length() + descr.length() + 13, null, condenser, "**", indexEntryAttribute.DT_SHARE, 0, 0);
} catch (IOException e) {}
}
public static void deletePhrase(plasmaSwitchboard switchboard, String urlstring, String phrase, String descr) {
try {
final String urlhash = indexURL.urlHash(new URL(urlstring));
final Iterator words = plasmaCondenser.getWords(("yacyshare " + phrase + " " + descr).getBytes("UTF-8"));
Map.Entry entry;
while (words.hasNext()) {
entry = (Map.Entry) words.next();
switchboard.wordIndex.removeEntry(indexEntryAttribute.word2hash((String) entry.getKey()), urlhash, true);
}
switchboard.urlPool.loadedURL.remove(urlhash);
} catch (Exception e) {
serverLog.logSevere("DIR", "INTERNAL ERROR in dir.deletePhrase", e);
}
}
}