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package org.uic.barcode;
import java.io.IOException;
import java.security.PrivateKey;
import java.security.Provider;
import java.security.PublicKey;
import java.util.zip.DataFormatException;
import org.uic.barcode.dynamicContent.api.IUicDynamicContent;
import org.uic.barcode.dynamicContent.fdc1.UicDynamicContentDataFDC1;
import org.uic.barcode.dynamicFrame.Constants;
import org.uic.barcode.dynamicFrame.api.DynamicFrameCoder;
import org.uic.barcode.dynamicFrame.api.IData;
import org.uic.barcode.dynamicFrame.api.IDynamicFrame;
import org.uic.barcode.dynamicFrame.api.ILevel1Data;
import org.uic.barcode.dynamicFrame.api.SimpleData;
import org.uic.barcode.dynamicFrame.api.SimpleDynamicFrame;
import org.uic.barcode.dynamicFrame.api.SimpleLevel1Data;
import org.uic.barcode.dynamicFrame.api.SimpleLevel2Data;
import org.uic.barcode.dynamicFrame.v1.DynamicFrameCoderV1;
import org.uic.barcode.dynamicFrame.v2.DynamicFrameCoderV2;
import org.uic.barcode.ssbFrame.SsbFrame;
import org.uic.barcode.staticFrame.StaticFrame;
import org.uic.barcode.staticFrame.UFLEXDataRecord;
import org.uic.barcode.staticFrame.UHEADDataRecord;
import org.uic.barcode.staticFrame.UTLAYDataRecord;
import org.uic.barcode.staticFrame.ticketLayoutBarcode.TicketLayout;
import org.uic.barcode.ticket.EncodingFormatException;
import org.uic.barcode.ticket.UicRailTicketCoder;
import org.uic.barcode.ticket.api.spec.IUicRailTicket;
import org.uic.barcode.utils.ECKeyEncoder;
/**
* The Class Encoder.
*
* signing and encoding of UIC bar codes
*
*
*/
public class Encoder {
/** The dynamic frame. */
private IDynamicFrame dynamicFrame = null;
/** The static frame. */
private StaticFrame staticFrame = null;
/** The ssb frame. */
private SsbFrame ssbFrame = null;
/** The UIC bar code type classic. */
public static String UIC_BARCODE_TYPE_CLASSIC = "UIC_CLASSIC";
/** The UIC bar code type DOSIPAS. */
public static String UIC_BARCODE_TYPE_DOSIPAS = "UIC_DOSIPAS";
/** The UIC bar code type SSB. */
public static String UIC_BARCODE_TYPE_SSB = "UIC_SSB";
/**
* Instantiates a new encoder.
*
* @param ticket the ticket
* @param layout the layout
* @param barcodeType the bar code type
* @param version the version of the bar code
* @param fcbVersion the fcb version
* @throws IOException Signals that an I/O exception has occurred.
* @throws EncodingFormatException the encoding format exception
*/
public Encoder(IUicRailTicket ticket, TicketLayout layout, String barcodeType, int version, int fcbVersion) throws IOException, EncodingFormatException {
if (barcodeType == UIC_BARCODE_TYPE_CLASSIC) {
staticFrame = new StaticFrame();
staticFrame.setVersion(version);
if (layout != null) {
UHEADDataRecord head = new UHEADDataRecord();
head.setVersionId("01");
staticFrame.setHeaderRecord(head);
UTLAYDataRecord tlay = new UTLAYDataRecord();
tlay.setLayout(layout);
tlay.setVersionId("01");
staticFrame.setuTlay(tlay);
}
if (ticket != null) {
UFLEXDataRecord flex = new UFLEXDataRecord();
flex.setTicket(ticket);
flex.setVersionId(String.format("%02d",fcbVersion));
staticFrame.setuFlex(flex);
}
} else if (barcodeType == UIC_BARCODE_TYPE_DOSIPAS) {
dynamicFrame = new SimpleDynamicFrame();
dynamicFrame.setLevel2Data(new SimpleLevel2Data());
dynamicFrame.getLevel2Data().setLevel1Data(new SimpleLevel1Data());
if (ticket != null) {
if (version == 1) {
dynamicFrame.setFormat(Constants.DYNAMIC_BARCODE_FORMAT_VERSION_1);
} else if (version == 2) {
dynamicFrame.setFormat(Constants.DYNAMIC_BARCODE_FORMAT_VERSION_2);
}
IData ticketData = new SimpleData();
UicRailTicketCoder uicTicketCoder = new UicRailTicketCoder();
if (fcbVersion == 1 || fcbVersion == 13) {
ticketData.setFormat(Constants.DATA_TYPE_FCB_VERSION_1);
} else if (fcbVersion == 2) {
ticketData.setFormat(Constants.DATA_TYPE_FCB_VERSION_2);
} else if (fcbVersion == 3) {
ticketData.setFormat(Constants.DATA_TYPE_FCB_VERSION_3);
}
ticketData.setData(uicTicketCoder.encode(ticket, fcbVersion));
dynamicFrame.getLevel2Data().getLevel1Data().addData(ticketData);
}
} else if (barcodeType == UIC_BARCODE_TYPE_SSB) {
ssbFrame = new SsbFrame();
}
}
/**
* Instantiates a new encoder for a level 2 encoding.
*
* @param level1Data the level 1 data (binary as signed)
* @param signatureLevel1 the signature of the level 1 data
* @param version the version of the bar code
* @throws IOException Signals that an I/O exception has occurred.
* @throws EncodingFormatException the encoding format exception
*/
public Encoder(byte[] level1DataBin, byte[] signatureLevel1, int version) throws IOException, EncodingFormatException {
dynamicFrame = new SimpleDynamicFrame();
dynamicFrame.setLevel2Data(new SimpleLevel2Data());
if (version == 1) {
dynamicFrame.setFormat(Constants.DYNAMIC_BARCODE_FORMAT_VERSION_1);
ILevel1Data l1 = DynamicFrameCoderV1.decodeLevel1(level1DataBin);
dynamicFrame.getLevel2Data().setLevel1Data(l1);
dynamicFrame.getLevel2Data().setLevel1Signature(signatureLevel1);
} else if (version == 2) {
dynamicFrame.setFormat(Constants.DYNAMIC_BARCODE_FORMAT_VERSION_2);
ILevel1Data l1 = DynamicFrameCoderV2.decodeLevel1(level1DataBin);
dynamicFrame.getLevel2Data().setLevel1Data(l1);
dynamicFrame.getLevel2Data().setLevel1Signature(signatureLevel1);
} else {
throw new EncodingFormatException("Version of the dynamic header not supported");
}
}
/**
* Instantiates a new encoder for a level 2 encoding with tan encoded dynamic frame containing the level 1 data and signature.
*
* @param level1Data the level 1 data (binary as signed)
* @param signatureLevel1 the signature of the level 1 data
* @param version the version of the bar code
* @throws IOException Signals that an I/O exception has occurred.
* @throws EncodingFormatException the encoding format exception
* @throws DataFormatException
*/
public Encoder(byte[] encoded, int version) throws IOException, EncodingFormatException, DataFormatException {
Decoder decoder = new Decoder(encoded);
if (decoder.getDynamicFrame() == null) {
throw new EncodingFormatException("No dynamic frame included");
}
dynamicFrame = decoder.getDynamicFrame();
byte[] level1DataBin = decoder.getEncodedLevel1Data();
byte[] signatureLevel1 = decoder.getLevel1Signature();
if (version == 1) {
dynamicFrame.setFormat(Constants.DYNAMIC_BARCODE_FORMAT_VERSION_1);
ILevel1Data l1 = DynamicFrameCoderV1.decodeLevel1(level1DataBin);
dynamicFrame.getLevel2Data().setLevel1Data(l1);
dynamicFrame.getLevel2Data().setLevel1Signature(signatureLevel1);
} else if (version == 2) {
dynamicFrame.setFormat(Constants.DYNAMIC_BARCODE_FORMAT_VERSION_2);
ILevel1Data l1 = DynamicFrameCoderV2.decodeLevel1(level1DataBin);
dynamicFrame.getLevel2Data().setLevel1Data(l1);
dynamicFrame.getLevel2Data().setLevel1Signature(signatureLevel1);
} else {
throw new EncodingFormatException("Version of the dynamic header not supported");
}
}
/**
* Signing level 2 of a dynamic bar code
*
* @param key the key
* @throws Exception the exception
*/
public void signLevel2(PrivateKey key) throws Exception {
if (dynamicFrame != null) {
dynamicFrame.signLevel2(key);
}
}
/**
* Signing level 2 of a dynamic bar code
*
* @param key the key
* @param provider - provider of the java security implementation to be used
* @throws Exception the exception
*/
public void signLevel2(PrivateKey key, Provider prov) throws Exception {
if (dynamicFrame != null) {
dynamicFrame.signLevel2(key, prov);
}
}
/**
* Sets the level 1 algorithm Is.
*
* @param level1SigningAlg the level 1 signing algorithm (OID)
* @param level1KeyAlg the level 1 key algorithm (OID)
*/
public void setLevel1Algs(String level1SigningAlg, String level1KeyAlg) {
if (dynamicFrame != null) {
dynamicFrame.getLevel2Data().getLevel1Data().setLevel1SigningAlg(level1SigningAlg);
dynamicFrame.getLevel2Data().getLevel1Data().setLevel1KeyAlg(level1KeyAlg);
}
}
/**
* Sets the level 2 algorithm Is.
*
* @param level2SigningAlg the level 2 signing algorithm (OID)
* @param level2KeyAlg the level 2 key algorithm (OID)
* @param publicKey the public key of the level 2 signature
*/
public void setLevel2Algs(String level2SigningAlg, String level2KeyAlg, PublicKey publicKey) {
if (dynamicFrame != null) {
if (dynamicFrame.getLevel2Data() == null) {
dynamicFrame.setLevel2Data(new SimpleLevel2Data());
}
if (dynamicFrame.getLevel2Data().getLevel1Data() == null) {
dynamicFrame.getLevel2Data().setLevel1Data(new SimpleLevel1Data());
}
dynamicFrame.getLevel2Data().getLevel1Data().setLevel2SigningAlg(level2SigningAlg);
dynamicFrame.getLevel2Data().getLevel1Data().setLevel2KeyAlg(level2KeyAlg);
if (publicKey != null) {
dynamicFrame.getLevel2Data().getLevel1Data().setLevel2publicKey(publicKey.getEncoded());
}
}
}
/**
* Sets the level 2 algorithm Is.
*
* @param level2SigningAlg the level 2 signing algorithm (OID)
* @param level2KeyAlg the level 2 key algorithm (OID)
* @param publicKey the public key of the level 2 signature
* @param publicKeyEncodingFormat "X509", for elliptic curve keys only: "X962_UNCOMPRESSED", "X962_COMPRESSED" constants defined in class ECKeyEncoder.
**/
public void setLevel2Algs(String level2SigningAlg, String level2KeyAlg, PublicKey publicKey, String publicKeyEncodingFormat) {
if (dynamicFrame != null) {
if (dynamicFrame.getLevel2Data() == null) {
dynamicFrame.setLevel2Data(new SimpleLevel2Data());
}
if (dynamicFrame.getLevel2Data().getLevel1Data() == null) {
dynamicFrame.getLevel2Data().setLevel1Data(new SimpleLevel1Data());
}
dynamicFrame.getLevel2Data().getLevel1Data().setLevel2SigningAlg(level2SigningAlg);
dynamicFrame.getLevel2Data().getLevel1Data().setLevel2KeyAlg(level2KeyAlg);
if (publicKey != null) {
dynamicFrame.getLevel2Data().getLevel1Data().setLevel2publicKey(ECKeyEncoder.getEncoded(publicKey, publicKeyEncodingFormat));
}
}
}
public void setDynamicData(IUicDynamicContent content) throws EncodingFormatException {
if (dynamicFrame != null) {
if (dynamicFrame.getLevel2Data() == null) {
dynamicFrame.setLevel2Data(new SimpleLevel2Data());
}
dynamicFrame.addDynamicContent(content);
}
}
public void setLevel2Data(IData level2data) {
if (dynamicFrame != null) {
if (dynamicFrame.getLevel2Data() == null) {
dynamicFrame.setLevel2Data(new SimpleLevel2Data());
}
dynamicFrame.getLevel2Data().setLevel2Data(level2data);
}
}
public void setDynamicContentDataUIC1(UicDynamicContentDataFDC1 dcd) {
if (dynamicFrame != null) {
if (dynamicFrame.getLevel2Data() == null) {
dynamicFrame.setLevel2Data(new SimpleLevel2Data());
}
dynamicFrame.getLevel2Data().setLevel2Data(dcd.getApiDataType());
}
}
public IData getLevel2Data() {
if (dynamicFrame != null && dynamicFrame.getLevel2Data() != null) {
return dynamicFrame.getLevel2Data().getLevel2Data();
}
return null;
}
public IUicDynamicContent getDynamicContent() {
if (dynamicFrame != null && dynamicFrame.getLevel2Data() != null) {
return dynamicFrame.getDynamicContent();
}
return null;
}
/**
* Sign level 1 of a dynamic bar code or a static bar code.
*
* @param securityProvider the security provider (RICS code of the company responsible for the security)
* @param key the key
* @param signingAlg the signing algorithm (OID)
* @param keyId the key id
* @throws Exception the exception
*/
public void signLevel1(String securityProvider,PrivateKey key,String signingAlg, String keyId) throws Exception {
if (dynamicFrame != null) {
dynamicFrame.getLevel2Data().getLevel1Data().setSecurityProvider(securityProvider);
dynamicFrame.getLevel2Data().getLevel1Data().setLevel1SigningAlg(signingAlg);
dynamicFrame.getLevel2Data().getLevel1Data().setKeyId(Long.parseLong(keyId));
dynamicFrame.signLevel1(key);
} else if (staticFrame != null) {
staticFrame.setSignatureKey(keyId);
staticFrame.setSecurityProvider(securityProvider);
if (staticFrame.getHeaderRecord()!= null && staticFrame.getHeaderRecord().getIssuer() == null) {
staticFrame.getHeaderRecord().setIssuer(securityProvider);
}
staticFrame.signByAlgorithmOID(key,signingAlg);
} else if (ssbFrame != null) {
ssbFrame.signLevel1(key, null, keyId, signingAlg);
}
}
/**
* Sign level 1 of a dynamic bar code or a static bar code.
*
* @param securityProvider the security provider (RICS code of the company responsible for the security)
* @param key the key
* @param signingAlg the signing algorithm (OID)
* @param keyId the key id
* @param provider - the provider of the java security implementation
* @throws Exception the exception
*/
public void signLevel1(String securityProvider,PrivateKey key,String signingAlg, String keyId, Provider prov) throws Exception {
if (dynamicFrame != null) {
dynamicFrame.getLevel2Data().getLevel1Data().setSecurityProvider(securityProvider);
dynamicFrame.getLevel2Data().getLevel1Data().setLevel1SigningAlg(signingAlg);
dynamicFrame.getLevel2Data().getLevel1Data().setKeyId(Long.parseLong(keyId));
dynamicFrame.signLevel1(key,prov);
} else if (staticFrame != null) {
staticFrame.setSignatureKey(keyId);
staticFrame.setSecurityProvider(securityProvider);
if (staticFrame.getHeaderRecord()!= null && staticFrame.getHeaderRecord().getIssuer() == null) {
staticFrame.getHeaderRecord().setIssuer(securityProvider);
}
staticFrame.signByAlgorithmOID(key,signingAlg,prov);
} else if (ssbFrame != null) {
ssbFrame.signLevel1(key, prov, keyId, signingAlg);
}
}
/**
* Sets the static header parameter.
*
* @param ticketId the ticket id
* @param language the language
*/
public void setStaticHeaderParams(String ticketId,String language) {
if (staticFrame != null && staticFrame.getHeaderRecord()!= null) {
staticFrame.getHeaderRecord().setIdentifier(ticketId);
staticFrame.getHeaderRecord().setLanguage(language);
}
}
/**
* Gets the dynamic frame.
*
* @return the dynamic frame
*/
public IDynamicFrame getDynamicFrame() {
return dynamicFrame;
}
/**
* Gets the static frame.
*
* @return the static frame
*/
public StaticFrame getStaticFrame() {
return staticFrame;
}
/**
* Encodes the signed bar code data
*
* @return the byte[]
* @throws IOException Signals that an I/O exception has occurred.
* @throws Exception the exception
*/
public byte[] encode() throws IOException, Exception {
if (dynamicFrame != null) {
return DynamicFrameCoder.encode(dynamicFrame);
} else if (staticFrame != null) {
return staticFrame.encode();
} else if (ssbFrame != null) {
return ssbFrame.encode();
}
return null;
}
public byte[] getEncodedLevel1Data() throws IOException, EncodingFormatException {
if (dynamicFrame != null) {
return DynamicFrameCoder.encodeLevel1(dynamicFrame);
} else if (staticFrame != null) {
return staticFrame.getDataForSignature();
} else {
throw new EncodingFormatException("Unknown Header");
}
}
public SsbFrame getSsbFrame() {
return ssbFrame;
}
public void setSsbFrame(SsbFrame ssbFrame) {
this.ssbFrame = ssbFrame;
}
}
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