2
0
Fork 0
MasterPassword/platform-independent/java/model/src/main/java/com/lyndir/masterpassword/model/impl/MPFlatUnmarshaller.java

204 lines
10 KiB
Java

//==============================================================================
// This file is part of Master Password.
// Copyright (c) 2011-2017, Maarten Billemont.
//
// Master Password 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 3 of the License, or
// (at your option) any later version.
//
// Master Password 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 can find a copy of the GNU General Public License in the
// LICENSE file. Alternatively, see <http://www.gnu.org/licenses/>.
//==============================================================================
package com.lyndir.masterpassword.model.impl;
import com.google.common.base.Charsets;
import com.google.common.io.CharStreams;
import com.google.common.primitives.UnsignedInteger;
import com.lyndir.lhunath.opal.system.CodeUtils;
import com.lyndir.lhunath.opal.system.logging.Logger;
import com.lyndir.lhunath.opal.system.util.ConversionUtils;
import com.lyndir.masterpassword.*;
import com.lyndir.masterpassword.model.MPIncorrectMasterPasswordException;
import com.lyndir.masterpassword.model.MPModelConstants;
import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.annotation.Nonnull;
import org.joda.time.Instant;
/**
* @author lhunath, 14-12-07
*/
public class MPFlatUnmarshaller implements MPUnmarshaller {
private static final Logger logger = Logger.get( MPFlatUnmarshaller.class );
private static final Pattern[] unmarshallFormats = {
Pattern.compile( "^([^ ]+) +(\\d+) +(\\d+)(:\\d+)? +([^\t]+)\t(.*)" ),
Pattern.compile( "^([^ ]+) +(\\d+) +(\\d+)(:\\d+)?(:\\d+)? +([^\t]*)\t *([^\t]+)\t(.*)" ) };
private static final Pattern headerFormat = Pattern.compile( "^#\\s*([^:]+): (.*)" );
private static final Pattern colon = Pattern.compile( ":" );
@Nonnull
@Override
public MPFileUser readUser(@Nonnull final File file)
throws IOException, MPMarshalException {
try (Reader reader = new InputStreamReader( new FileInputStream( file ), Charsets.UTF_8 )) {
byte[] keyID = null;
String fullName = null;
int mpVersion = 0, avatar = 0;
boolean clearContent = false, headerStarted = false;
MPResultType defaultType = null;
Instant date = null;
//noinspection HardcodedLineSeparator
for (final String line : CharStreams.readLines( reader ))
// Header delimitor.
if (line.startsWith( "##" )) {
if (!headerStarted)
// Starts the header.
headerStarted = true;
else if ((fullName != null) && (keyID != null))
// Ends the header.
return new MPFileUser(
fullName, keyID, MPAlgorithm.Version.fromInt( mpVersion ), avatar, defaultType,
date, false, clearContent? MPMarshaller.ContentMode.VISIBLE: MPMarshaller.ContentMode.PROTECTED,
MPMarshalFormat.Flat, file
);
}
// Comment.
else if (line.startsWith( "#" )) {
if (headerStarted) {
// In header.
Matcher headerMatcher = headerFormat.matcher( line );
if (headerMatcher.matches()) {
String name = headerMatcher.group( 1 ), value = headerMatcher.group( 2 );
if ("Full Name".equalsIgnoreCase( name ) || "User Name".equalsIgnoreCase( name ))
fullName = value;
else if ("Key ID".equalsIgnoreCase( name ))
keyID = CodeUtils.decodeHex( value );
else if ("Algorithm".equalsIgnoreCase( name ))
mpVersion = ConversionUtils.toIntegerNN( value );
else if ("Avatar".equalsIgnoreCase( name ))
avatar = ConversionUtils.toIntegerNN( value );
else if ("Passwords".equalsIgnoreCase( name ))
clearContent = "visible".equalsIgnoreCase( value );
else if ("Default Type".equalsIgnoreCase( name ))
defaultType = MPResultType.forType( ConversionUtils.toIntegerNN( value ) );
else if ("Date".equalsIgnoreCase( name ))
date = MPModelConstants.dateTimeFormatter.parseDateTime( value ).toInstant();
}
}
}
throw new MPMarshalException( "No full header found in import file." );
}
}
@Override
public void readSites(final MPFileUser user)
throws IOException, MPMarshalException, MPIncorrectMasterPasswordException, MPKeyUnavailableException, MPAlgorithmException {
user.ignoreChanges();
if (user.getFile().exists())
try (Reader reader = new InputStreamReader( new FileInputStream( user.getFile() ), Charsets.UTF_8 )) {
byte[] keyID = null;
String fullName = null;
int mpVersion = 0, importFormat = 0, avatar = 0;
boolean clearContent = false, headerStarted = false, headerEnded = false;
MPResultType defaultType = null;
//noinspection HardcodedLineSeparator
for (final String line : CharStreams.readLines( reader ))
// Header delimitor.
if (line.startsWith( "##" )) {
if (!headerStarted)
// Starts the header.
headerStarted = true;
else
// Ends the header.
headerEnded = true;
}
// Comment.
else if (line.startsWith( "#" )) {
if (headerStarted && !headerEnded) {
// In header.
Matcher headerMatcher = headerFormat.matcher( line );
if (headerMatcher.matches()) {
String name = headerMatcher.group( 1 ), value = headerMatcher.group( 2 );
if ("Format".equalsIgnoreCase( name ))
importFormat = ConversionUtils.toIntegerNN( value );
else if ("Passwords".equalsIgnoreCase( name ))
clearContent = "visible".equalsIgnoreCase( value );
}
}
}
// No comment.
else if (headerEnded) {
Matcher siteMatcher = unmarshallFormats[importFormat].matcher( line );
if (!siteMatcher.matches()) {
logger.wrn( "Couldn't parse line: %s, skipping.", line );
continue;
}
MPFileSite site;
switch (importFormat) {
case 0:
site = new MPFileSite(
user, siteMatcher.group( 5 ),
MPAlgorithm.Version.fromInt( ConversionUtils.toIntegerNN(
colon.matcher( siteMatcher.group( 4 ) ).replaceAll( "" ) ) ),
user.getAlgorithm().mpw_default_counter(),
MPResultType.forType( ConversionUtils.toIntegerNN( siteMatcher.group( 3 ) ) ),
clearContent? null: siteMatcher.group( 6 ),
null, null, null, ConversionUtils.toIntegerNN( siteMatcher.group( 2 ) ),
MPModelConstants.dateTimeFormatter.parseDateTime( siteMatcher.group( 1 ) ).toInstant() );
if (clearContent)
site.setSitePassword( site.getResultType(), siteMatcher.group( 6 ) );
break;
case 1:
site = new MPFileSite(
user, siteMatcher.group( 7 ),
MPAlgorithm.Version.fromInt( ConversionUtils.toIntegerNN(
colon.matcher( siteMatcher.group( 4 ) ).replaceAll( "" ) ) ),
UnsignedInteger.valueOf(
colon.matcher( siteMatcher.group( 5 ) ).replaceAll( "" ) ),
MPResultType.forType( ConversionUtils.toIntegerNN( siteMatcher.group( 3 ) ) ),
clearContent? null: siteMatcher.group( 8 ),
MPResultType.GeneratedName,
clearContent? null: siteMatcher.group( 6 ),
null, ConversionUtils.toIntegerNN( siteMatcher.group( 2 ) ),
MPModelConstants.dateTimeFormatter.parseDateTime( siteMatcher.group( 1 ) ).toInstant() );
if (clearContent) {
site.setSitePassword( site.getResultType(), siteMatcher.group( 8 ) );
site.setLoginName( MPResultType.StoredPersonal, siteMatcher.group( 6 ) );
}
break;
default:
throw new MPMarshalException( "Unexpected format: " + importFormat );
}
user.addSite( site );
}
if (user == null)
throw new MPMarshalException( "No full header found in import file." );
}
user.setComplete();
user.endChanges();
}
}