diff options
Diffstat (limited to 'src/main/java/org/uic/barcode/Decoder.java')
| -rw-r--r-- | src/main/java/org/uic/barcode/Decoder.java | 158 |
1 files changed, 119 insertions, 39 deletions
diff --git a/src/main/java/org/uic/barcode/Decoder.java b/src/main/java/org/uic/barcode/Decoder.java index 9f5ea82..85faa4a 100644 --- a/src/main/java/org/uic/barcode/Decoder.java +++ b/src/main/java/org/uic/barcode/Decoder.java @@ -15,6 +15,7 @@ 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.ILevel2Data;
+import org.uic.barcode.ssbFrame.SsbFrame;
import org.uic.barcode.staticFrame.StaticFrame;
import org.uic.barcode.staticFrame.UFLEXDataRecord;
import org.uic.barcode.staticFrame.UTLAYDataRecord;
@@ -39,6 +40,9 @@ public class Decoder { /** The static frame. */
private StaticFrame staticFrame = null;
+ /** The ssb frame. */
+ private SsbFrame ssbFrame = null;
+
/** The uic ticket coder. */
private UicRailTicketCoder uicTicketCoder = null;
@@ -80,7 +84,7 @@ public class Decoder { * @throws EncodingFormatException the encoding format exception
*/
public int validateLevel1(PublicKey key) throws InvalidKeyException, NoSuchAlgorithmException, SignatureException, IllegalArgumentException, UnsupportedOperationException, IOException, EncodingFormatException {
- if (dynamicFrame != null) {
+ if (dynamicFrame != null && dynamicFrame != null) {
return dynamicFrame.validateLevel1(key) ;
} else {
if (staticFrame != null) {
@@ -106,15 +110,22 @@ public class Decoder { * @throws EncodingFormatException the encoding format exception
*/
public int validateLevel1(PublicKey key, String signingAlg) throws InvalidKeyException, NoSuchAlgorithmException, SignatureException, IllegalArgumentException, UnsupportedOperationException, IOException, EncodingFormatException {
- if (dynamicFrame != null) {
+ if (dynamicFrame != null ) {
return dynamicFrame.validateLevel1(key, signingAlg) ;
- } else {
+ } else if (staticFrame != null) {
if (staticFrame.verifyByAlgorithmOid(key,signingAlg)) {
return Constants.LEVEL1_VALIDATION_OK;
} else {
return Constants.LEVEL1_VALIDATION_FRAUD;
}
+ } else if (ssbFrame!= null) {
+ if (ssbFrame.verifyByAlgorithmOid(key,signingAlg, null)) {
+ return Constants.LEVEL1_VALIDATION_OK;
+ } else {
+ return Constants.LEVEL1_VALIDATION_FRAUD;
+ }
}
+ return Constants.LEVEL1_VALIDATION_NO_SIGNATURE;
}
/**
@@ -133,15 +144,25 @@ public class Decoder { * @throws EncodingFormatException the encoding format exception
*/
public int validateLevel1(PublicKey key, String signingAlg, Provider provider) throws InvalidKeyException, NoSuchAlgorithmException, SignatureException, IllegalArgumentException, UnsupportedOperationException, IOException, EncodingFormatException {
- if (!isStaticHeader(data)) {
+ if (!isStaticHeader(data) && dynamicFrame != null) {
return dynamicFrame.validateLevel1(key, provider) ;
- } else {
+ } else if (isSsbFrame(data) && ssbFrame != null) {
+
+ if (ssbFrame.verifyByAlgorithmOid(key,signingAlg, provider)) {
+ return Constants.LEVEL1_VALIDATION_OK;
+ } else {
+ return Constants.LEVEL1_VALIDATION_FRAUD;
+ }
+
+ } else if (staticFrame != null) {
+
if (staticFrame.verifyByAlgorithmOid(key,signingAlg, provider)) {
return Constants.LEVEL1_VALIDATION_OK;
} else {
return Constants.LEVEL1_VALIDATION_FRAUD;
}
}
+ return Constants.LEVEL1_VALIDATION_NO_SIGNATURE;
}
/**
@@ -151,7 +172,7 @@ public class Decoder { * @throws EncodingFormatException
*/
public int validateLevel2() throws EncodingFormatException {
- if (!isStaticHeader(data)) {
+ if (!isStaticHeader(data) && dynamicFrame != null) {
return dynamicFrame.validateLevel2() ;
} else {
return Constants.LEVEL2_VALIDATION_NO_SIGNATURE;
@@ -164,7 +185,7 @@ public class Decoder { * @return the return code indicating errors
*/
public int validateLevel2(Provider prov) throws EncodingFormatException {
- if (!isStaticHeader(data)) {
+ if (!isStaticHeader(data) && dynamicFrame != null) {
return dynamicFrame.validateLevel2(prov) ;
} else {
return Constants.LEVEL2_VALIDATION_NO_SIGNATURE;
@@ -183,45 +204,81 @@ public class Decoder { public void decode(byte[] data) throws IOException, EncodingFormatException, DataFormatException {
if (!isStaticHeader(data)) {
-
- dynamicFrame = DynamicFrameCoder.decode(data);
-
- ILevel2Data level2 = dynamicFrame.getLevel2Data();
-
- ILevel1Data level1 = level2.getLevel1Data();
-
- for (IData level1Content : level1.getData()) {
-
- uicTicketCoder = new UicRailTicketCoder();
- if (level1Content.getFormat().equals("FCB1")) {
- uicTicket = uicTicketCoder.decodeFromAsn(level1Content.getData(), 1);
- } else if (level1Content.getFormat().equals("FCB2")) {
- uicTicket = uicTicketCoder.decodeFromAsn(level1Content.getData(), 2);
- } else if (level1Content.getFormat().equals("FCB3")) {
- uicTicket = uicTicketCoder.decodeFromAsn(level1Content.getData(), 3);
+ try {
+ decodeDynamicFrame(data);
+ } catch (Exception e) {
+ dynamicFrame = null;
+ if (isSsbFrame(data)) {
+ decodeSsbFrame(data);
+ } else {
+ throw e;
+ }
+ } catch (AssertionError e) {
+ dynamicFrame = null;
+ if (isSsbFrame(data)) {
+ decodeSsbFrame(data);
+ } else {
+ throw new EncodingFormatException(e.getMessage());
}
}
-
+
} else if (isStaticHeader(data)){
-
- staticFrame = new StaticFrame();
-
- staticFrame.decode(data);
-
- UFLEXDataRecord flex = staticFrame.getuFlex();
-
- if (flex != null) {
- uicTicket = flex.getTicket();
+ try {
+ decodeStaticFrame(data);
+ } catch (Exception e) {
+ staticFrame = null;
+ throw e;
}
-
- UTLAYDataRecord tlay = staticFrame.getuTlay();
+ }
+ }
+
+ private void decodeDynamicFrame(byte[] data) throws EncodingFormatException, IOException {
+
+ dynamicFrame = DynamicFrameCoder.decode(data);
+
+ ILevel2Data level2 = dynamicFrame.getLevel2Data();
+
+ ILevel1Data level1 = level2.getLevel1Data();
+
+ for (IData level1Content : level1.getData()) {
- if (tlay != null) {
- layout = tlay.getLayout();
+ uicTicketCoder = new UicRailTicketCoder();
+ if (level1Content.getFormat().equals("FCB1")) {
+ uicTicket = uicTicketCoder.decodeFromAsn(level1Content.getData(), 1);
+ } else if (level1Content.getFormat().equals("FCB2")) {
+ uicTicket = uicTicketCoder.decodeFromAsn(level1Content.getData(), 2);
+ } else if (level1Content.getFormat().equals("FCB3")) {
+ uicTicket = uicTicketCoder.decodeFromAsn(level1Content.getData(), 3);
}
}
}
+
+ private void decodeStaticFrame(byte[] data) throws EncodingFormatException, DataFormatException, IOException {
+
+ staticFrame = new StaticFrame();
+
+ staticFrame.decode(data);
+
+ UFLEXDataRecord flex = staticFrame.getuFlex();
+
+ if (flex != null) {
+ uicTicket = flex.getTicket();
+ }
+
+ UTLAYDataRecord tlay = staticFrame.getuTlay();
+
+ if (tlay != null) {
+ layout = tlay.getLayout();
+ }
+ }
+ private void decodeSsbFrame(byte[] data) throws EncodingFormatException, DataFormatException, IOException {
+
+ ssbFrame = new SsbFrame();
+
+ ssbFrame.decode(data);
+
+ }
/**
* Checks if is static header.
@@ -236,6 +293,19 @@ public class Decoder { }
/**
+ * Checks if is ssb frame.
+ *
+ * @param data the data
+ * @return true, if is static header
+ */
+ private boolean isSsbFrame(byte[] data) {
+ if (data.length == 114) {
+ return true;
+ }
+ return false;
+ }
+
+ /**
* Gets the uic ticket.
*
* @return the uic ticket
@@ -301,14 +371,14 @@ public class Decoder { }
public IData getLevel2Data() {
- if (!isStaticHeader(data) && dynamicFrame.getLevel2Data() != null) {
+ if (!isStaticHeader(data) && dynamicFrame != null && dynamicFrame.getLevel2Data() != null) {
return dynamicFrame.getLevel2Data().getLevel2Data();
}
return null;
}
public byte[] getEncodedLevel1Data() throws IOException, EncodingFormatException {
- if (!isStaticHeader(data)) {
+ if (!isStaticHeader(data) && dynamicFrame != null) {
return dynamicFrame.getLevel1DataBin();
} else if (staticFrame != null) {
return staticFrame.getDataForSignature();
@@ -341,5 +411,15 @@ public class Decoder { }
}
+
+ public SsbFrame getSsbFrame() {
+ return ssbFrame;
+ }
+
+ public void setSsbFrame(SsbFrame ssbFrame) {
+ this.ssbFrame = ssbFrame;
+ }
+
+
}
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