Java DataItem类代码示例

import co.nstant.in.cbor.model.DataItem; //导入依赖的package包/类
@Override
DataItem encode() throws CborException {
  Map result = new Map();
  if (attestnCert != null) {
    Array x5c = new Array();
    x5c.add(new ByteString(attestnCert));
    for (byte[] cert : this.caCert) {
      x5c.add(new ByteString(cert));
    }
    result.put(new UnicodeString("x5c"), x5c);
  }
  if (ecdaaKeyId != null) {
    result.put(new UnicodeString("ecdaaKeyId"), new ByteString(ecdaaKeyId));
  }
  result.put(new UnicodeString("sig"), new ByteString(sig));
  result.put(new UnicodeString("alg"), new UnicodeString(alg.toString()));

  return result;
}
 

import co.nstant.in.cbor.model.DataItem; //导入依赖的package包/类
/**
 * Decodes a cbor representation of an AndroidSafetyNetAttestationStatement into the object
 * representation
 *
 * @param attStmt Cbor DataItem representation of the attestation statement to decode
 * @return Decoded AndroidSafetyNetAttestationStatement
 * @throws ResponseException Input was not a valid AndroidSafetyNetAttestationStatement DataItem
 */
public static AndroidSafetyNetAttestationStatement decode(DataItem attStmt)
    throws ResponseException {
  AndroidSafetyNetAttestationStatement result = new AndroidSafetyNetAttestationStatement();
  Map given = (Map) attStmt;
  for (DataItem data : given.getKeys()) {
    if (data instanceof UnicodeString) {
      if (((UnicodeString) data).getString().equals("ver")) {
        UnicodeString version = (UnicodeString) given.get(data);
        result.ver = version.getString();
      } else if (((UnicodeString) data).getString().equals("response")) {
        result.response = ((ByteString) (given.get(data))).getBytes();
      }
    }
  }
  if (result.response == null || result.ver == null)
    throw new ResponseException("Invalid JWT Cbor");
  return result;
}
 

import co.nstant.in.cbor.model.DataItem; //导入依赖的package包/类
/**
 * Test method for
 * {@link com.google.webauthn.gaedemo.objects.AndroidSafetyNetAttestationStatement#encode()} and
 * {@link com.google.webauthn.gaedemo.objects.AndroidSafetyNetAttestationStatement#decode(co.nstant.in.cbor.model.DataItem)}.
 */
@Test
public void testEncode() {
  SecureRandom random = new SecureRandom();
  AndroidSafetyNetAttestationStatement attStmt = new AndroidSafetyNetAttestationStatement();
  attStmt.ver = "10";
  attStmt.response = new byte[20];
  random.nextBytes(attStmt.response);

  try {
    DataItem encoded = attStmt.encode();
    AndroidSafetyNetAttestationStatement decoded =
        AndroidSafetyNetAttestationStatement.decode(encoded);
    assertEquals(decoded, attStmt);
  } catch (CborException | ResponseException e) {
    fail(e.getMessage());
  }
}
 

import co.nstant.in.cbor.model.DataItem; //导入依赖的package包/类
/**
 * @param attStmt
 * @return Decoded FidoU2fAttestationStatement
 */
public static PackedAttestationStatement decode(DataItem attStmt) {
  PackedAttestationStatement result = new PackedAttestationStatement();
  Map given = null;

  if (attStmt instanceof ByteString) {
    byte[] temp = ((ByteString) attStmt).getBytes();
    List<DataItem> dataItems = null;
    try {
      dataItems = CborDecoder.decode(temp);
    } catch (Exception e) {
    }
    given = (Map) dataItems.get(0);
  } else {
    given = (Map) attStmt;
  }

  for (DataItem data : given.getKeys()) {
    if (data instanceof UnicodeString) {
      if (((UnicodeString) data).getString().equals("x5c")) {
        Array array = (Array) given.get(data);
        List<DataItem> list = array.getDataItems();
        if (list.size() > 0) {
          result.attestnCert = ((ByteString) list.get(0)).getBytes();
        }
        result.caCert = new ArrayList<byte[]>();
        for (int i = 1; i < list.size(); i++) {
          result.caCert.add(((ByteString) list.get(i)).getBytes());
        }
      } else if (((UnicodeString) data).getString().equals("sig")) {
        result.sig = ((ByteString) (given.get(data))).getBytes();
      } else if (((UnicodeString) data).getString().equals("alg")) {
        result.alg = Algorithm.decode(((UnicodeString) (given.get(data))).getString());
      } else if (((UnicodeString) data).getString().equals("ecdaaKeyId")) {
        result.ecdaaKeyId = ((ByteString) (given.get(data))).getBytes();
      }
    }
  }
  return result;
}
 

import co.nstant.in.cbor.model.DataItem; //导入依赖的package包/类
@Override
public byte[] encode() throws CborException {
  ByteArrayOutputStream output = new ByteArrayOutputStream();
  List<DataItem> dataItems =
      new CborBuilder().addMap().put(new UnsignedInteger(KTY_LABEL), new UnsignedInteger(kty))
          .put(new UnsignedInteger(ALG_LABEL), new NegativeInteger(alg.encodeToInt()))
          .put(new NegativeInteger(N_LABEL), new ByteString(n))
          .put(new NegativeInteger(E_LABEL), new ByteString(e)).end().build();
  new CborEncoder(output).encode(dataItems);
  return output.toByteArray();
}
 

import co.nstant.in.cbor.model.DataItem; //导入依赖的package包/类
@Override
public byte[] encode() throws CborException {
  ByteArrayOutputStream output = new ByteArrayOutputStream();
  List<DataItem> dataItems =
      new CborBuilder().addMap().put(new UnsignedInteger(KTY_LABEL), new UnsignedInteger(kty))
          .put(new UnsignedInteger(ALG_LABEL), new NegativeInteger(alg.encodeToInt()))
          .put(new NegativeInteger(CRV_LABEL), new UnsignedInteger(crv))
          .put(new NegativeInteger(X_LABEL), new ByteString(x))
          .put(new NegativeInteger(Y_LABEL), new ByteString(y)).end().build();
  new CborEncoder(output).encode(dataItems);
  return output.toByteArray();
}
 

import co.nstant.in.cbor.model.DataItem; //导入依赖的package包/类
/**
 * @param attestationObject
 * @return AttestationObject created from the provided byte array
 * @throws CborException
 * @throws ResponseException
 */
public static AttestationObject decode(byte[] attestationObject)
    throws CborException, ResponseException {
  AttestationObject result = new AttestationObject();
  List<DataItem> dataItems = CborDecoder.decode(attestationObject);

  if (dataItems.size() == 1 && dataItems.get(0) instanceof Map) {
    DataItem attStmt = null;
    Map attObjMap = (Map) dataItems.get(0);
    for (DataItem key : attObjMap.getKeys()) {
      if (key instanceof UnicodeString) {
        if (((UnicodeString) key).getString().equals("fmt")) {
          UnicodeString value = (UnicodeString) attObjMap.get(key);
          result.fmt = value.getString();
        }
        if (((UnicodeString) key).getString().equals("authData")) {
          byte[] authData = ((ByteString) attObjMap.get(key)).getBytes();
          result.authData = AuthenticatorData.decode(authData);
        }
        if (((UnicodeString) key).getString().equals("attStmt")) {
          attStmt = attObjMap.get(key);
        }
      }
    }

    if (attStmt != null) {
      result.attStmt = AttestationStatement.decode(result.fmt, attStmt);
    }

  }
  return result;
}
 

import co.nstant.in.cbor.model.DataItem; //导入依赖的package包/类
/**
 * @return Encoded byte array containing AttestationObject data
 * @throws CborException
 */
public byte[] encode() throws CborException {
  ByteArrayOutputStream output = new ByteArrayOutputStream();
  List<DataItem> cbor =
      new CborBuilder().addMap().put("fmt", fmt).put("authData", authData.encode())
          .put(new UnicodeString("attStmt"), attStmt.encode()).end().build();
  new CborEncoder(output).encode(cbor);
  return output.toByteArray();
}
 

import co.nstant.in.cbor.model.DataItem; //导入依赖的package包/类
@Override
DataItem encode() throws CborException {
  Map map = new Map();
  map.put(new UnicodeString("ver"), new UnicodeString(ver));
  map.put(new UnicodeString("response"), new ByteString(response));
  return map;
}
 

import co.nstant.in.cbor.model.DataItem; //导入依赖的package包/类
/**
 * @param attStmt
 * @return Decoded FidoU2fAttestationStatement
 */
public static FidoU2fAttestationStatement decode(DataItem attStmt) {
  FidoU2fAttestationStatement result = new FidoU2fAttestationStatement();
  Map given = null;

  if (attStmt instanceof ByteString) {
    byte[] temp = ((ByteString) attStmt).getBytes();
    List<DataItem> dataItems = null;
    try {
      dataItems = CborDecoder.decode(temp);
    } catch (Exception e) {
    }
    given = (Map) dataItems.get(0);
  } else {
    given = (Map) attStmt;
  }

  for (DataItem data : given.getKeys()) {
    if (data instanceof UnicodeString) {
      if (((UnicodeString) data).getString().equals("x5c")) {
        Array array = (Array) given.get(data);
        List<DataItem> list = array.getDataItems();
        if (list.size() > 0) {
          result.attestnCert = ((ByteString) list.get(0)).getBytes();
        }
        result.caCert = new ArrayList<byte[]>();
        for (int i = 1; i < list.size(); i++) {
          result.caCert.add(((ByteString) list.get(i)).getBytes());
        }
      } else if (((UnicodeString) data).getString().equals("sig")) {
        result.sig = ((ByteString) (given.get(data))).getBytes();
      }
    }
  }
  return result;
}
 

import co.nstant.in.cbor.model.DataItem; //导入依赖的package包/类
@Override
DataItem encode() throws CborException {
  Map result = new Map();
  Array x5c = new Array();
  x5c.add(new ByteString(attestnCert));
  for (byte[] cert : this.caCert) {
    x5c.add(new ByteString(cert));
  }
  result.put(new UnicodeString("x5c"), x5c);
  result.put(new UnicodeString("sig"), new ByteString(sig));

  return result;
}
 

import co.nstant.in.cbor.model.DataItem; //导入依赖的package包/类
public static HashMap getHashMap(DataItem dataItem) {
	HashMap hMap = new HashMap();
	
	co.nstant.in.cbor.model.Map map = (co.nstant.in.cbor.model.Map)dataItem;
	HashMap hashMap = new HashMap();
	Iterator<DataItem> itr = map.getKeys().iterator();
	
	while(itr.hasNext()) {
		
		DataItem key = itr.next();
		//System.out.println(map.get(key).getMajorType().toString());
		if(map.get(key).getMajorType().toString().equals("MAP")) {
			
			hMap.put(key.toString(), getHashMap(map.get(key)));
		} else if(map.get(key).getMajorType().toString().equals("ARRAY")) {
			Array cborArr = (Array)map.get(key);
			
			ArrayList<String> arr = new ArrayList<String>();
			for(int i = 0; i < cborArr.getDataItems().size(); i++) {
				arr.add( cborArr.getDataItems().get(i).toString() );
			}
			
			hMap.put(key.toString(), arr);
		} else {
			String value = map.get(key).toString();
			if(map.get(key).getMajorType().name().contains("INTEGER")) {
				hMap.put(key.toString(),Integer.parseInt(value) );
			} else if(map.get(key).getMajorType().name().contains("SPECIAL")){
				SimpleValue simpleValue = (SimpleValue)map.get(key);
				
				String temp = simpleValue.getSimpleValueType().toString().toLowerCase();
				if(temp.equals("true") || temp.equals("false")) {
					hMap.put(key.toString(), Boolean.getBoolean(temp));
				} else {
					hMap.put(key.toString(), temp);
				}
			}else {
				
				hMap.put(key.toString(), value);
			}
			
		}
	}
		
	return hMap;
}
 

import co.nstant.in.cbor.model.DataItem; //导入依赖的package包/类
private static HashMap getCborHashMap(DataItem dataItem) {
	HashMap hMap = new HashMap();
	
	co.nstant.in.cbor.model.Map map = (co.nstant.in.cbor.model.Map)dataItem;
	HashMap hashMap = new HashMap();
	Iterator<DataItem> itr = map.getKeys().iterator();
	
	while(itr.hasNext()) {
		
		DataItem key = itr.next();
		
		if(map.get(key).getMajorType().toString().equals("MAP")) {
			
			hMap.put(key.toString(), getCborHashMap(map.get(key)));
		} else if(map.get(key).getMajorType().toString().equals("ARRAY")) {
			Array cborArr = (Array)map.get(key);
			
			ArrayList<String> arr = new ArrayList<String>();
			for(int i = 0; i < cborArr.getDataItems().size(); i++) {
				arr.add( cborArr.getDataItems().get(i).toString() );
			}
			
			hMap.put(key.toString(), arr);
		} else if(map.get(key).getMajorType().name().contains("SPECIAL")){
			SimpleValue simpleValue = (SimpleValue)map.get(key);
			
			String temp = simpleValue.getSimpleValueType().toString().toLowerCase();
			if(temp.equals("true") || temp.equals("false")) {
				hMap.put(key.toString(), Boolean.getBoolean(temp));
			} else {
				hMap.put(key.toString(), temp);
			}
		} else {
			String value = map.get(key).toString();
			if(map.get(key).getMajorType().name().contains("INTEGER")) {
				hMap.put(key.toString(),Integer.parseInt(value) );
			} else {
				hMap.put(key.toString(), value);
			}
			
		}
	}
		
	return hMap;
}
 

import co.nstant.in.cbor.model.DataItem; //导入依赖的package包/类
public static byte[] encodeCBOR(String json) {
	byte[] result = {};
	try {
		ObjectMapper mapper = new ObjectMapper();
		
		HashMap<String, Object> map = mapper.readValue(json, new TypeReference<Map<String, Object>>(){});
		
		DataItem dataItem = getDataItem(map);
		
		ByteArrayOutputStream byteOutputStream = new ByteArrayOutputStream();
		CborEncoder encoder = new CborEncoder(byteOutputStream);
		encoder.encode(dataItem);
		
		byte[] cborBytes = byteOutputStream.toByteArray();
		
		StringBuffer sb = new StringBuffer();
		
		//String cborEncodedStr = new BigInteger(cborBytes).toString(16);
		for(int i = 0; i < cborBytes.length; i++) {
			sb.append(Integer.toHexString(0x0100 + (cborBytes[i] & 0x00FF)).substring(1));

		}
		
		result = sb.toString().getBytes();
		
	}catch(Exception ex) {
		return null;
	}
	
	return result;
}
 

import co.nstant.in.cbor.model.DataItem; //导入依赖的package包/类
/**
 * @return Encoded AttestationStatement
 * @throws CborException
 */
abstract DataItem encode() throws CborException;