com.ionic.sdk.agent.request.createkey.CreateKeysTransaction Maven / Gradle / Ivy
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The Ionic Java SDK provides an easy-to-use interface to the Ionic Platform.
package com.ionic.sdk.agent.request.createkey;
import com.ionic.sdk.agent.Agent;
import com.ionic.sdk.agent.key.KeyObligationsMap;
import com.ionic.sdk.agent.request.base.AgentRequestBase;
import com.ionic.sdk.agent.request.base.AgentResponseBase;
import com.ionic.sdk.agent.request.base.AgentTransactionBase;
import com.ionic.sdk.agent.service.IDC;
import com.ionic.sdk.agent.transaction.AgentTransactionUtil;
import com.ionic.sdk.cipher.aes.AesGcmCipher;
import com.ionic.sdk.core.codec.Transcoder;
import com.ionic.sdk.core.value.Value;
import com.ionic.sdk.device.profile.DeviceProfile;
import com.ionic.sdk.error.IonicException;
import com.ionic.sdk.httpclient.Http;
import com.ionic.sdk.httpclient.HttpRequest;
import com.ionic.sdk.httpclient.HttpResponse;
import com.ionic.sdk.json.JsonIO;
import com.ionic.sdk.json.JsonSource;
import javax.json.Json;
import javax.json.JsonArray;
import javax.json.JsonObject;
import javax.json.JsonValue;
import java.io.ByteArrayInputStream;
import java.net.URL;
import java.util.Properties;
import java.util.logging.Logger;
/**
* An object encapsulating the server request and response for an Agent.createKeys() request.
*/
public class CreateKeysTransaction extends AgentTransactionBase {
/**
* Class scoped logger.
*/
private final Logger logger = Logger.getLogger(getClass().getName());
/**
* Helper object for serialization of request to json for submission to KeyServices implementation.
*/
private CreateKeysMessage message;
/**
* Constructor.
*
* @param agent the persistent data associated with the device's Secure Enrollment Profile
* @param requestBase the client request
* @param responseBase the server response
*/
public CreateKeysTransaction(
final Agent agent, final AgentRequestBase requestBase, final AgentResponseBase responseBase) {
super(agent, requestBase, responseBase);
}
/**
* Assemble a client request for submission to the IDC infrastructure.
*
* @param fingerprint authentication data associated with the client state to be included in the request
* @return a request object, ready for submission to the server
* @throws IonicException on failure to assemble the request
*/
@Override
protected final HttpRequest buildHttpRequest(final Properties fingerprint) throws IonicException {
final Agent agent = getAgent();
this.message = new CreateKeysMessage(agent);
final CreateKeysRequest request = (CreateKeysRequest) getRequestBase();
final JsonObject jsonMessage = message.getJsonMessage(request, fingerprint);
final String cid = message.getCid();
final String resource = String.format(IDC.Resource.KEYS_CREATE, IDC.Resource.SERVER_API_V24);
final String envelope = JsonIO.write(jsonMessage, false);
//logger.finest(envelope); // plaintext json; IDC http entity (for debugging)
// assemble the secured (outer) HTTP payload
final DeviceProfile activeProfile = agent.getActiveProfile();
final AesGcmCipher cipher = new AesGcmCipher();
cipher.setKey(activeProfile.getAesCdIdcProfileKey());
cipher.setAuthData(Transcoder.utf8().decode(cid));
final String envelopeSecureBase64 = cipher.encryptToBase64(envelope);
final JsonObject payload = Json.createObjectBuilder()
.add(IDC.Payload.CID, cid)
.add(IDC.Payload.ENVELOPE, envelopeSecureBase64)
.build();
final String entitySecure = JsonIO.write(payload, false);
logger.fine(entitySecure);
// assemble the HTTP request to be sent to the server
final URL url = AgentTransactionUtil.getProfileUrl(activeProfile);
final ByteArrayInputStream bis = new ByteArrayInputStream(
Transcoder.utf8().decode(JsonIO.write(payload, false)));
return new HttpRequest(url, Http.Method.POST, resource, getHttpHeaders(), bis);
}
/**
* Parse and process the server response to the client request.
*
* @param httpRequest the server request
* @param httpResponse the server response
* @throws IonicException on errors in the server response
*/
@Override
protected final void parseHttpResponse(
final HttpRequest httpRequest, final HttpResponse httpResponse) throws IonicException {
// unwrap the server response
parseHttpResponseBase(httpRequest, httpResponse, message.getCid());
// apply logic specific to the response type
final Agent agent = getAgent();
final DeviceProfile activeProfile = agent.getActiveProfile();
final CreateKeysRequest request = (CreateKeysRequest) getRequestBase();
final CreateKeysResponse response = (CreateKeysResponse) getResponseBase();
final String cid = response.getConversationId();
final JsonObject jsonPayload = response.getJsonPayload();
final JsonObject jsonData = JsonSource.getJsonObject(jsonPayload, IDC.Payload.DATA);
final JsonArray jsonProtectionKeys = JsonSource.getJsonArray(jsonData, IDC.Payload.PROTECTION_KEYS);
for (JsonValue value : jsonProtectionKeys) {
// deserialize each response key into a user-consumable object
final JsonObject jsonProtectionKey = JsonSource.toJsonObject(value, IDC.Payload.PROTECTION_KEYS);
final String ref = JsonSource.getString(jsonProtectionKey, IDC.Payload.REF);
AgentTransactionUtil.checkNotNull(cid, IDC.Payload.REF, ref);
final CreateKeysRequest.Key keyRequest = request.getKey(ref);
final String csigQ = message.getCsigs().getProperty(ref);
final String msigQ = message.getMsigs().getProperty(ref);
final String id = JsonSource.getString(jsonProtectionKey, IDC.Payload.ID);
final String authData = Value.join(IDC.Signature.DELIMITER, cid, ref, id, csigQ, msigQ);
final String keyHex = JsonSource.getString(jsonProtectionKey, IDC.Payload.KEY);
final String csig = JsonSource.getString(jsonProtectionKey, IDC.Payload.CSIG);
final String msig = JsonSource.getString(jsonProtectionKey, IDC.Payload.MSIG);
// verify each received response key
final AesGcmCipher cipherEi = new AesGcmCipher();
cipherEi.setKey(activeProfile.getAesCdEiProfileKey());
cipherEi.setAuthData(Transcoder.utf8().decode(authData));
final byte[] clearBytesKey = cipherEi.decrypt(Transcoder.hex().decode(keyHex));
response.add(new CreateKeysResponse.Key(ref, id, clearBytesKey, activeProfile.getDeviceId(),
keyRequest.getAttributesMap(), keyRequest.getMutableAttributesMap(), new KeyObligationsMap(),
IDC.Metadata.KEYORIGIN_IONIC, csig, msig));
}
}
}