*) Updating jMimeMagic Ruleset

- to detect some special formated html documents correctly
   - adding rule to detect vCards
*) plasmaParser now supports parsing of files that have a supported fileExtension
   but a unsupported mimeType because the webserver has set it incorrectly to text/plain
*) Adding vCard new Parser


git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@1107 6c8d7289-2bf4-0310-a012-ef5d649a1542
pull/1/head
theli 19 years ago
parent c48ce6fd13
commit c2fe3a1670

@ -0,0 +1,202 @@
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@ -218,7 +218,8 @@ public class kelondroTree extends kelondroRecords implements Comparator, kelondr
try {
otherkey = new String(thenode.getKey());
} catch (NullPointerException e) {
throw new kelondroException(filename, "kelondroTree.Search.process: nullpointer" + e.getMessage());
throw new kelondroException(filename, "kelondroTree.Search.process: nullpointer" + e.getMessage() +
"\nNode: " + thenode.toString());
}
if (visitedNodeKeys.containsKey(otherkey)) {
// we have loops in the database.

@ -63,8 +63,11 @@ public class bzipParser extends AbstractParser implements Parser {
* @see #getSupportedMimeTypes()
*/
public static final Hashtable SUPPORTED_MIME_TYPES = new Hashtable();
static String fileExtensions = "bz2,tbz,tbz2";
static {
SUPPORTED_MIME_TYPES.put("application/x-bzip2","bz2,tbz,tbz2");
SUPPORTED_MIME_TYPES.put("application/x-bzip2",fileExtensions);
SUPPORTED_MIME_TYPES.put("application/bzip2", fileExtensions);
SUPPORTED_MIME_TYPES.put("application/x-bz2", fileExtensions);
}
/**

@ -0,0 +1,55 @@
<?xml version="1.0"?>
<project name="YACY - vcfParser" default="dist">
<description>
A class to parse vCard files
</description>
<property name="parserShortName" value="vcf"/>
<property name="parserVersion" value="0.1"/>
<property name="parserLongName" value="yacyContentParser_${parserShortName}"/>
<property name="parserArchive" location="${release}/${parserLongName}_${parserVersion}.tgz"/>
<target name="compile">
<javac srcdir="${src}/de/anomic/plasma/parser/${parserShortName}" destdir="${build}" source="${javacSource}" target="${javacTarget}" debug="true" debuglevel="lines,vars,source">
<classpath>
<pathelement location="${build}" />
<pathelement location="${libx}/commons-codec-1.3.jar" />
</classpath>
</javac>
</target>
<target name="zip" depends="compile">
<tar destfile="${parserArchive}" compression="gzip">
<tarfileset dir="${libx}"
includes="commons-codec-1.3.*"
prefix="${releaseDir}/libx/"
dirmode="755" mode="644"/>
<tarfileset dir="${src}/de/anomic/plasma/parser/${parserShortName}"
prefix="${releaseDir}/source/de/anomic/plasma/parser/${parserShortName}"
dirmode="755" mode="644"/>
<tarfileset dir="${build}/de/anomic/plasma/parser/${parserShortName}"
prefix="${releaseDir}/classes/de/anomic/plasma/parser/${parserShortName}"
dirmode="755" mode="644"/>
</tar>
</target>
<target name="copy" depends="compile">
<copy todir="${release}/libx/">
<fileset dir="${libx}" includes="commons-codec-1.3.*"/>
</copy>
<copy todir="${release}/source/de/anomic/plasma/parser/${parserShortName}">
<fileset dir="${src}/de/anomic/plasma/parser/${parserShortName}" includes="**/*"/>
</copy>
<copy todir="${release}/classes/de/anomic/plasma/parser/${parserShortName}">
<fileset dir="${build}/de/anomic/plasma/parser/${parserShortName}" includes="**/*"/>
</copy>
</target>
<target name="dist" depends="compile,zip" description="Compile and zip the parser"/>
</project>

@ -0,0 +1,267 @@
//vcfParser.java
//------------------------
//part of YaCy
//(C) by Michael Peter Christen; mc@anomic.de
//first published on http://www.anomic.de
//Frankfurt, Germany, 2005
//
//this file is contributed by Martin Thelian
//last major change: 20.11.2005
//
//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.
package de.anomic.plasma.parser.vcf;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.LinkedList;
import org.apache.commons.codec.net.QuotedPrintableCodec;
import de.anomic.http.httpc;
import de.anomic.plasma.plasmaParserDocument;
import de.anomic.plasma.parser.AbstractParser;
import de.anomic.plasma.parser.Parser;
import de.anomic.plasma.parser.ParserException;
import de.anomic.server.serverCodings;
/**
* Vcard specification: http://www.imc.org/pdi/vcard-21.txt
* @author theli
*
*/
public class vcfParser extends AbstractParser implements Parser {
/**
* a list of mime types that are supported by this parser class
* @see #getSupportedMimeTypes()
*/
public static final Hashtable SUPPORTED_MIME_TYPES = new Hashtable();
static {
SUPPORTED_MIME_TYPES.put("text/x-vcard","vcf");
SUPPORTED_MIME_TYPES.put("application/vcard","vcf");
}
/**
* a list of library names that are needed by this parser
* @see Parser#getLibxDependences()
*/
private static final String[] LIBX_DEPENDENCIES = new String[] {"commons-codec-1.3.jar"};
public vcfParser() {
super(LIBX_DEPENDENCIES);
}
public Hashtable getSupportedMimeTypes() {
return SUPPORTED_MIME_TYPES;
}
public plasmaParserDocument parse(URL location, String mimeType, InputStream source) throws ParserException {
try {
StringBuffer parsedTitle = new StringBuffer();
StringBuffer parsedDataText = new StringBuffer();
HashMap parsedData = new HashMap();
HashMap anchors = new HashMap();
LinkedList parsedNames = new LinkedList();
boolean useLastLine = false;
int lineNr = 0;
String line = null;
BufferedReader inputReader = new BufferedReader(new InputStreamReader(source));
while (true) {
if (!useLastLine) {
line = inputReader.readLine();
} else {
useLastLine = false;
}
if (line == null) break;
else if (line.length() == 0) continue;
lineNr++;
int pos = line.indexOf(":");
if (pos != -1) {
String key = line.substring(0,pos).trim().toUpperCase();
String value = line.substring(pos+1).trim();
String encoding = null;
String[] keyParts = key.split(";");
if (keyParts.length > 1) {
for (int i=0; i < keyParts.length; i++) {
if (keyParts[i].toUpperCase().startsWith("ENCODING")) {
encoding = keyParts[i].substring("ENCODING".length()+1);
} else if (keyParts[i].toUpperCase().startsWith("QUOTED-PRINTABLE")) {
encoding = "QUOTED-PRINTABLE";
} else if (keyParts[i].toUpperCase().startsWith("BASE64")) {
encoding = "BASE64";
}
}
if (encoding != null) {
try {
if (encoding.equalsIgnoreCase("QUOTED-PRINTABLE")) {
// if the value has multiple lines ...
if (line.endsWith("=")) {
do {
value = value.substring(0,value.length()-1);
line = inputReader.readLine();
if (line == null) break;
value += line;
} while (line.endsWith("="));
}
value = (new QuotedPrintableCodec()).decode(value);
} else if (encoding.equalsIgnoreCase("base64")) {
do {
line = inputReader.readLine();
if (line == null) break;
if (line.indexOf(":")!= -1) {
// we have detected an illegal block end of the base64 data
useLastLine = true;
}
if (!useLastLine) value += line.trim();
else break;
} while (line.length()!=0);
value = serverCodings.standardCoder.decodeBase64String(value);
}
} catch (Exception ey) {
// Encoding error: This could occure e.g. if the base64 doesn't
// end with an empty newline
//
// We can simply ignore it.
}
}
}
if (key.equalsIgnoreCase("END")) {
String name = null, title = null;
// using the name of the current persion as section headline
if (parsedData.containsKey("FN")) {
parsedNames.add(name = (String)parsedData.get("FN"));
} else if (parsedData.containsKey("N")) {
parsedNames.add(name = (String)parsedData.get("N"));
} else {
parsedNames.add(name = "unknown name");
}
// getting the vcard title
if (parsedData.containsKey("TITLE")) {
parsedNames.add(title = (String) parsedData.get("TITLE"));
}
if (parsedTitle.length() > 0) parsedTitle.append(", ");
parsedTitle.append((title==null)?name:name + " - " + title);
// looping through the properties and add there values to
// the text representation of the vCard
Iterator iter = parsedData.values().iterator();
while (iter.hasNext()) {
value = (String) iter.next();
parsedDataText.append(value).append("\r\n");
}
parsedDataText.append("\r\n");
parsedData.clear();
} else if (key.toUpperCase().startsWith("URL")) {
try {
URL newURL = new URL(value);
anchors.put(newURL.toString(),newURL.toString());
//parsedData.put(key,value);
} catch (MalformedURLException ex) {}
} else if (
!key.equalsIgnoreCase("BEGIN") &&
!key.equalsIgnoreCase("END") &&
!key.equalsIgnoreCase("VERSION") &&
!key.toUpperCase().startsWith("LOGO") &&
!key.toUpperCase().startsWith("PHOTO") &&
!key.toUpperCase().startsWith("SOUND") &&
!key.toUpperCase().startsWith("KEY") &&
!key.toUpperCase().startsWith("X-")
) {
// value = value.replaceAll(";","\t");
if ((value.length() > 0)) parsedData.put(key, value);
}
} else {
this.theLogger.logFinest("Invalid data in vcf file" +
"\n\tURL: " + location +
"\n\tLine: " + line +
"\n\tLine-Nr: " + lineNr);
}
}
plasmaParserDocument theDoc = new plasmaParserDocument(
location,
mimeType,
null,
null,
parsedTitle.toString(),
(String[]) parsedNames.toArray(new String[parsedNames.size()]),
"vCard",
parsedDataText.toString().getBytes(),
anchors,
null);
return theDoc;
} catch (Exception e) {
throw new ParserException("Unable to parse the vcard content. " + e.getMessage());
} finally {
}
}
public void reset() {
// Nothing todo here at the moment
}
public static void main(String[] args) {
try {
URL contentUrl = new URL(args[0]);
vcfParser testParser = new vcfParser();
byte[] content = httpc.singleGET(contentUrl, 10000, null, null, null);
ByteArrayInputStream input = new ByteArrayInputStream(content);
testParser.parse(contentUrl, "text/x-vcard", input);
} catch (Exception e) {
e.printStackTrace();
}
}
}

@ -70,6 +70,8 @@ public class zipParser extends AbstractParser implements Parser {
public static final Hashtable SUPPORTED_MIME_TYPES = new Hashtable();
static {
SUPPORTED_MIME_TYPES.put("application/zip","zip");
SUPPORTED_MIME_TYPES.put("application/x-zip","zip");
SUPPORTED_MIME_TYPES.put("application/x-zip-compressed","zip");
SUPPORTED_MIME_TYPES.put("application/java-archive","jar");
}

@ -282,7 +282,7 @@ public final class plasmaParser {
}
}
public static boolean supportedFileExt(URL url) {
public static String getFileExt(URL url) {
// getting the file path
String name = url.getFile();
@ -299,9 +299,15 @@ public final class plasmaParser {
}
// termining last position of . in file path
p = (p != -1) ? name.lastIndexOf('.',p) : name.lastIndexOf('.');
if (p < 0) return true; // seams to be strange, but this is a directory entry or default file (html)
return supportedFileExtContains(name.substring(p + 1));
p = name.lastIndexOf('.');
if (p < 0) return name; // seams to be strange, but this is a directory entry or default file (html)
return name.substring(p + 1);
}
public static boolean supportedFileExt(URL url) {
// getting the file path
String name = getFileExt(url);
return supportedFileExtContains(name);
}
public static boolean supportedFileExtContains(String fileExt) {
@ -503,7 +509,7 @@ public final class plasmaParser {
String mimeType = (String) mimeTypeIterator.next();
availableParserList.put(mimeType,fullClassName);
serverLog.logInfo("PARSER", "Found functional parser for mimeType '" + mimeType + "'." +
((neededLibxBuf.length()>0)?"\nDependencies: " + neededLibxBuf.toString():""));
((neededLibxBuf.length()>0)?"\n Dependencies: " + neededLibxBuf.toString():""));
}
} catch (Exception e) { /* we can ignore this for the moment */
@ -536,9 +542,21 @@ public final class plasmaParser {
Parser theParser = null;
try {
mimeType = getRealMimeType(mimeType);
String fileExt = getFileExt(location);
// TODO: Handling of not trustable mimeTypes
// text/plain, octet-stream
if (
(mimeType.equalsIgnoreCase("text/plain") && !fileExt.equalsIgnoreCase("txt")) ||
(mimeType.equalsIgnoreCase("text/xml") && !fileExt.equalsIgnoreCase("txt"))
) {
if (enabledParserList.containsKey("application/octet-stream")) {
mimeType = "application/octet-stream";
}
}
// getting the correct parser for the given mimeType
theParser = this.getParser(mimeType);
theParser = this.getParser(mimeType);
// if a parser was found we use it ...
if (theParser != null) {
@ -568,6 +586,18 @@ public final class plasmaParser {
Parser theParser = null;
try {
mimeType = getRealMimeType(mimeType);
String fileExt = getFileExt(location);
// TODO: Handling of not trustable mimeTypes
// text/plain, octet-stream
if (
(mimeType.equalsIgnoreCase("text/plain") && !fileExt.equalsIgnoreCase("txt")) ||
(mimeType.equalsIgnoreCase("text/xml") && !fileExt.equalsIgnoreCase("txt"))
) {
if (enabledParserList.containsKey("application/octet-stream")) {
mimeType = "application/octet-stream";
}
}
// getting the correct parser for the given mimeType
theParser = this.getParser(mimeType);
@ -712,7 +742,26 @@ public final class plasmaParser {
//File out = new File(args[1]);
plasmaParser theParser = new plasmaParser();
plasmaParser.initRealtimeParsableMimeTypes("application/xhtml+xml,text/html,text/plain");
plasmaParser.initParseableMimeTypes("application/atom+xml,application/gzip,application/java-archive,application/msword,application/octet-stream,application/pdf,application/rdf+xml,application/rss+xml,application/rtf,application/x-gzip,application/x-tar,application/xml,application/zip,text/rss,text/rtf,text/xml,application/x-bzip2,application/postscript");
plasmaParser.initParseableMimeTypes(
"application/atom+xml," +
"application/gzip," +
"application/java-archive," +
"application/msword," +
"application/octet-stream," +
"application/pdf," +
"application/rdf+xml," +
"application/rss+xml," +
"application/rtf," +
"application/x-gzip," +
"application/x-tar," +
"application/xml," +
"application/zip," +
"text/rss," +
"text/rtf," +
"text/xml," +
"application/x-bzip2," +
"application/postscript," +
"text/x-vcard");
FileInputStream theInput = new FileInputStream(in);
ByteArrayOutputStream theOutput = new ByteArrayOutputStream();
serverFileUtils.copy(theInput, theOutput);

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