+++ /dev/null
-/*
- * DesfireFileSettings.java
- *
- * Copyright (C) 2011 Eric Butler
- *
- * Authors:
- * Eric Butler <eric@codebutler.com>
- *
- * 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 3 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, see <http://www.gnu.org/licenses/>.
- */
-
-package com.codebutler.farebot.card.desfire;
-
-import java.io.ByteArrayInputStream;
-
-import org.apache.commons.lang3.ArrayUtils;
-
-import android.os.Parcel;
-import android.os.Parcelable;
-
-import com.codebutler.farebot.Utils;
-
-public abstract class DesfireFileSettings implements Parcelable {
- public final byte fileType;
- public final byte commSetting;
- public final byte[] accessRights;
-
- /* DesfireFile Types */
- static final byte STANDARD_DATA_FILE = (byte) 0x00;
- static final byte BACKUP_DATA_FILE = (byte) 0x01;
- static final byte VALUE_FILE = (byte) 0x02;
- static final byte LINEAR_RECORD_FILE = (byte) 0x03;
- static final byte CYCLIC_RECORD_FILE = (byte) 0x04;
-
- public static DesfireFileSettings Create (byte[] data) throws DesfireException {
- byte fileType = (byte) data[0];
-
- ByteArrayInputStream stream = new ByteArrayInputStream(data);
-
- if (fileType == STANDARD_DATA_FILE || fileType == BACKUP_DATA_FILE)
- return new StandardDesfireFileSettings(stream);
- else if (fileType == LINEAR_RECORD_FILE || fileType == CYCLIC_RECORD_FILE)
- return new RecordDesfireFileSettings(stream);
- else if (fileType == VALUE_FILE)
- return new ValueDesfireFileSettings(stream);
- else
- throw new DesfireException("Unknown file type: " + Integer.toHexString(fileType));
- }
-
- private DesfireFileSettings (ByteArrayInputStream stream) {
- fileType = (byte) stream.read();
- commSetting = (byte) stream.read();
-
- accessRights = new byte[2];
- stream.read(accessRights, 0, accessRights.length);
- }
-
- private DesfireFileSettings (byte fileType, byte commSetting, byte[] accessRights) {
- this.fileType = fileType;
- this.commSetting = commSetting;
- this.accessRights = accessRights;
- }
-
- public String getFileTypeName () {
- switch (fileType) {
- case STANDARD_DATA_FILE:
- return "Standard";
- case BACKUP_DATA_FILE:
- return "Backup";
- case VALUE_FILE:
- return "Value";
- case LINEAR_RECORD_FILE:
- return "Linear Record";
- case CYCLIC_RECORD_FILE:
- return "Cyclic Record";
- default:
- return "Unknown";
- }
- }
-
- public static final Parcelable.Creator<DesfireFileSettings> CREATOR = new Parcelable.Creator<DesfireFileSettings>() {
- public DesfireFileSettings createFromParcel(Parcel source) {
- byte fileType = source.readByte();
- byte commSetting = source.readByte();
- byte[] accessRights = new byte[source.readInt()];
- source.readByteArray(accessRights);
-
- if (fileType == STANDARD_DATA_FILE || fileType == BACKUP_DATA_FILE) {
- int fileSize = source.readInt();
- return new StandardDesfireFileSettings(fileType, commSetting, accessRights, fileSize);
- } else if (fileType == LINEAR_RECORD_FILE || fileType == CYCLIC_RECORD_FILE) {
- int recordSize = source.readInt();
- int maxRecords = source.readInt();
- int curRecords = source.readInt();
- return new RecordDesfireFileSettings(fileType, commSetting, accessRights, recordSize, maxRecords, curRecords);
- } else {
- return new UnsupportedDesfireFileSettings(fileType);
- }
- }
-
- public DesfireFileSettings[] newArray(int size) {
- return new DesfireFileSettings[size];
- }
- };
-
- public void writeToParcel (Parcel parcel, int flags) {
- parcel.writeByte(fileType);
- parcel.writeByte(commSetting);
- parcel.writeInt(accessRights.length);
- parcel.writeByteArray(accessRights);
- }
-
- public int describeContents () {
- return 0;
- }
-
- public static class StandardDesfireFileSettings extends DesfireFileSettings {
- public final int fileSize;
-
- private StandardDesfireFileSettings (ByteArrayInputStream stream) {
- super(stream);
- byte[] buf = new byte[3];
- stream.read(buf, 0, buf.length);
- ArrayUtils.reverse(buf);
- fileSize = Utils.byteArrayToInt(buf);
- }
-
- StandardDesfireFileSettings (byte fileType, byte commSetting, byte[] accessRights, int fileSize) {
- super(fileType, commSetting, accessRights);
- this.fileSize = fileSize;
- }
-
- @Override
- public void writeToParcel (Parcel parcel, int flags) {
- super.writeToParcel(parcel, flags);
- parcel.writeInt(fileSize);
- }
- }
-
- public static class RecordDesfireFileSettings extends DesfireFileSettings {
- public final int recordSize;
- public final int maxRecords;
- public final int curRecords;
-
- public RecordDesfireFileSettings(ByteArrayInputStream stream) {
- super(stream);
-
- byte[] buf = new byte[3];
- stream.read(buf, 0, buf.length);
- ArrayUtils.reverse(buf);
- recordSize = Utils.byteArrayToInt(buf);
-
- buf = new byte[3];
- stream.read(buf, 0, buf.length);
- ArrayUtils.reverse(buf);
- maxRecords = Utils.byteArrayToInt(buf);
-
- buf = new byte[3];
- stream.read(buf, 0, buf.length);
- ArrayUtils.reverse(buf);
- curRecords = Utils.byteArrayToInt(buf);
- }
-
- RecordDesfireFileSettings (byte fileType, byte commSetting, byte[] accessRights, int recordSize, int maxRecords, int curRecords) {
- super(fileType, commSetting, accessRights);
- this.recordSize = recordSize;
- this.maxRecords = maxRecords;
- this.curRecords = curRecords;
- }
-
- @Override
- public void writeToParcel (Parcel parcel, int flags) {
- super.writeToParcel(parcel, flags);
- parcel.writeInt(recordSize);
- parcel.writeInt(maxRecords);
- parcel.writeInt(curRecords);
- }
- }
-
-
-
-
- public static class ValueDesfireFileSettings extends DesfireFileSettings {
- public final int lowerLimit;
- public final int upperLimit;
- public final int value;
- public final byte limitedCreditEnabled;
-
- public ValueDesfireFileSettings(ByteArrayInputStream stream) {
- super(stream);
-
- byte[] buf = new byte[4];
- stream.read(buf, 0, buf.length);
- ArrayUtils.reverse(buf);
- lowerLimit = Utils.byteArrayToInt(buf);
-
- buf = new byte[4];
- stream.read(buf, 0, buf.length);
- ArrayUtils.reverse(buf);
- upperLimit = Utils.byteArrayToInt(buf);
-
- buf = new byte[4];
- stream.read(buf, 0, buf.length);
- ArrayUtils.reverse(buf);
- value = Utils.byteArrayToInt(buf);
-
-
- buf = new byte[1];
- stream.read(buf, 0, buf.length);
- limitedCreditEnabled = buf[0];
-
- //http://www.skyetek.com/docs/m2/desfire.pdf
- //http://neteril.org/files/M075031_desfire.pdf
- }
-
- @Override
- public void writeToParcel (Parcel parcel, int flags) {
- super.writeToParcel(parcel, flags);
- parcel.writeInt(lowerLimit);
- parcel.writeInt(upperLimit);
- parcel.writeInt(value);
- parcel.writeByte(limitedCreditEnabled);
- }
- }
- public static class UnsupportedDesfireFileSettings extends DesfireFileSettings {
- public UnsupportedDesfireFileSettings(byte fileType) {
- super(fileType, Byte.MIN_VALUE, new byte[0]);
- }
- }
-}
\ No newline at end of file
projects / DHBWCampusApp.git / blobdiff