Examples with ResponseCode edu.umass.cs.gnscommon.ResponseCode used on opensource projects

Example 1 with ResponseCode

use of edu.umass.cs.gnscommon.ResponseCode in project GNS by MobilityFirst.

the class Select method aclCheckFilterFields.

/**
   * This filters individual fields if the cannot be accessed by the reader.
   *
   * @param packet
   * @param records
   * @param reader
   * @param app
   * @return
   */
private static JSONArray aclCheckFilterFields(SelectRequestPacket packet, JSONArray records, String reader, GNSApplicationInterface<String> app) {
    for (int i = 0; i < records.length(); i++) {
        try {
            JSONObject record = records.getJSONObject(i);
            String guid = record.getString(NameRecord.NAME.getName());
            // Look at the keys in the values map
            JSONObject valuesMap = record.getJSONObject(NameRecord.VALUES_MAP.getName());
            Iterator<?> keys = valuesMap.keys();
            while (keys.hasNext()) {
                String field = (String) keys.next();
                if (!InternalField.isInternalField(field)) {
                    LOGGER.log(Level.FINE, "{0} Checking: {1}", new Object[] { app.getNodeID(), field });
                    ResponseCode responseCode = NSAuthentication.signatureAndACLCheck(null, guid, field, null, reader, null, null, MetaDataTypeName.READ_WHITELIST, app, true);
                    if (!responseCode.isOKResult()) {
                        LOGGER.log(Level.FINE, "{0} Removing: {1}", new Object[] { app.getNodeID(), field });
                        // removing the offending field
                        keys.remove();
                    }
                }
            }
        } catch (JSONException | InvalidKeyException | InvalidKeySpecException | SignatureException | NoSuchAlgorithmException | FailedDBOperationException | UnsupportedEncodingException e) {
            // ignore json errros
            LOGGER.log(Level.FINE, "{0} Problem getting guid from json: {1}", new Object[] { app.getNodeID(), e.getMessage() });
        }
    }
    return records;
}

Example 2 with ResponseCode

use of edu.umass.cs.gnscommon.ResponseCode in project GNS by MobilityFirst.

the class Select method aclCheckFilterForRecordsArray.

/**
   * This filters entire records if the query uses fields that cannot be accessed in the
   * returned record by the reader. Otherwise the user would be able to determine that
   * some GUIDS contain specific values for fields they can't access.
   *
   * @param packet
   * @param records
   * @param reader
   * @param app
   * @return
   */
private static JSONArray aclCheckFilterForRecordsArray(SelectRequestPacket packet, JSONArray records, String reader, GNSApplicationInterface<String> app) {
    JSONArray result = new JSONArray();
    for (int i = 0; i < records.length(); i++) {
        try {
            JSONObject record = records.getJSONObject(i);
            String guid = record.getString(NameRecord.NAME.getName());
            List<String> queryFields = getFieldsForQueryType(packet);
            ResponseCode responseCode = NSAuthentication.signatureAndACLCheck(null, guid, null, queryFields, reader, null, null, MetaDataTypeName.READ_WHITELIST, app, true);
            LOGGER.log(Level.FINE, "{0} ACL check for select: guid={0} queryFields={1} responsecode={2}", new Object[] { app.getNodeID(), guid, queryFields, responseCode });
            if (responseCode.isOKResult()) {
                result.put(record);
            }
        } catch (JSONException | InvalidKeyException | InvalidKeySpecException | SignatureException | NoSuchAlgorithmException | FailedDBOperationException | UnsupportedEncodingException e) {
            // ignore json errros
            LOGGER.log(Level.FINE, "{0} Problem getting guid from json: {1}", new Object[] { app.getNodeID(), e.getMessage() });
        }
    }
    return result;
}

Example 3 with ResponseCode

use of edu.umass.cs.gnscommon.ResponseCode in project GNS by MobilityFirst.

the class AclAdd method execute.

@Override
public CommandResponse execute(InternalRequestHeader header, CommandPacket commandPacket, ClientRequestHandlerInterface handler) throws InvalidKeyException, InvalidKeySpecException, JSONException, NoSuchAlgorithmException, SignatureException, ParseException {
    JSONObject json = commandPacket.getCommand();
    String guid = json.getString(GNSProtocol.GUID.toString());
    String field = json.getString(GNSProtocol.FIELD.toString());
    // The guid that wants to access this field
    String accesser = json.getString(GNSProtocol.ACCESSER.toString());
    // allows someone other than guid to change the acl, defaults to guid
    String writer = json.optString(GNSProtocol.WRITER.toString(), guid);
    String accessType = json.getString(GNSProtocol.ACL_TYPE.toString());
    String signature = json.getString(GNSProtocol.SIGNATURE.toString());
    String message = json.getString(GNSProtocol.SIGNATUREFULLMESSAGE.toString());
    // can be null on older client
    Date timestamp = json.has(GNSProtocol.TIMESTAMP.toString()) ? Format.parseDateISO8601UTC(json.getString(GNSProtocol.TIMESTAMP.toString())) : null;
    MetaDataTypeName access;
    if ((access = MetaDataTypeName.valueOf(accessType)) == null) {
        return new CommandResponse(ResponseCode.BAD_ACL_TYPE_ERROR, GNSProtocol.BAD_RESPONSE.toString() + " " + GNSProtocol.BAD_ACL_TYPE.toString() + "Should be one of " + Arrays.toString(MetaDataTypeName.values()));
    }
    // Lookup the public key of the guid that we're giving access to the field.
    String accessorPublicKey;
    if (GNSProtocol.EVERYONE.toString().equals(accesser)) {
        accessorPublicKey = GNSProtocol.EVERYONE.toString();
    } else {
        GuidInfo accessorGuidInfo;
        if ((accessorGuidInfo = AccountAccess.lookupGuidInfoAnywhere(header, accesser, handler)) == null) {
            return new CommandResponse(ResponseCode.BAD_GUID_ERROR, GNSProtocol.BAD_RESPONSE.toString() + " " + GNSProtocol.BAD_GUID.toString() + " " + accesser);
        } else {
            accessorPublicKey = accessorGuidInfo.getPublicKey();
        }
    }
    // This is where we update the ACL. Put the public key of the accessing guid in the appropriate ACL list.
    ResponseCode responseCode;
    if (!(responseCode = FieldMetaData.add(header, commandPacket, access, guid, field, accessorPublicKey, writer, signature, message, timestamp, handler)).isExceptionOrError()) {
        return new CommandResponse(ResponseCode.NO_ERROR, GNSProtocol.OK_RESPONSE.toString());
    } else {
        return new CommandResponse(responseCode, responseCode.getProtocolCode());
    }
}

Example 4 with ResponseCode

use of edu.umass.cs.gnscommon.ResponseCode in project GNS by MobilityFirst.

the class AclRemove method execute.

@Override
public CommandResponse execute(InternalRequestHeader header, CommandPacket commandPacket, ClientRequestHandlerInterface handler) throws InvalidKeyException, InvalidKeySpecException, JSONException, NoSuchAlgorithmException, SignatureException, ParseException {
    JSONObject json = commandPacket.getCommand();
    String guid = json.getString(GNSProtocol.GUID.toString());
    String field = json.getString(GNSProtocol.FIELD.toString());
    // The guid that is losing access to this field
    String accesser = json.getString(GNSProtocol.ACCESSER.toString());
    // allows someone other than guid to change the acl, defaults to guid
    String writer = json.optString(GNSProtocol.WRITER.toString(), guid);
    String accessType = json.getString(GNSProtocol.ACL_TYPE.toString());
    String signature = json.getString(GNSProtocol.SIGNATURE.toString());
    String message = json.getString(GNSProtocol.SIGNATUREFULLMESSAGE.toString());
    Date timestamp = json.has(GNSProtocol.TIMESTAMP.toString()) ? Format.parseDateISO8601UTC(json.getString(GNSProtocol.TIMESTAMP.toString())) : // can be null on older client
    null;
    MetaDataTypeName access;
    if ((access = MetaDataTypeName.valueOf(accessType)) == null) {
        return new CommandResponse(ResponseCode.BAD_ACL_TYPE_ERROR, GNSProtocol.BAD_RESPONSE.toString() + " " + GNSProtocol.BAD_ACL_TYPE.toString() + "Should be one of " + Arrays.toString(MetaDataTypeName.values()));
    }
    ResponseCode responseCode;
    // We need the public key
    String accessorPublicKey;
    if (GNSProtocol.EVERYONE.toString().equals(accesser)) {
        accessorPublicKey = GNSProtocol.EVERYONE.toString();
    } else {
        GuidInfo accessorGuidInfo;
        if ((accessorGuidInfo = AccountAccess.lookupGuidInfoAnywhere(header, accesser, handler)) == null) {
            return new CommandResponse(ResponseCode.BAD_GUID_ERROR, GNSProtocol.BAD_RESPONSE.toString() + " " + GNSProtocol.BAD_GUID.toString() + " " + accesser);
        } else {
            accessorPublicKey = accessorGuidInfo.getPublicKey();
        }
    }
    if (!(responseCode = FieldMetaData.removeValue(header, commandPacket, access, guid, accesser, field, accessorPublicKey, writer, signature, message, timestamp, handler)).isExceptionOrError()) {
        return new CommandResponse(ResponseCode.NO_ERROR, GNSProtocol.OK_RESPONSE.toString());
    } else {
        return new CommandResponse(responseCode, responseCode.getProtocolCode());
    }
}

Example 5 with ResponseCode

use of edu.umass.cs.gnscommon.ResponseCode in project GNS by MobilityFirst.

the class FieldDeleteAcl method execute.

@Override
public CommandResponse execute(InternalRequestHeader header, CommandPacket commandPacket, ClientRequestHandlerInterface handler) throws InvalidKeyException, InvalidKeySpecException, JSONException, NoSuchAlgorithmException, SignatureException, ParseException {
    JSONObject json = commandPacket.getCommand();
    String guid = json.getString(GNSProtocol.GUID.toString());
    String field = json.getString(GNSProtocol.FIELD.toString());
    String accessType = json.getString(GNSProtocol.ACL_TYPE.toString());
    // allows someone other than guid to delete acl, defaults to guid
    String writer = json.optString(GNSProtocol.WRITER.toString(), guid);
    String signature = json.getString(GNSProtocol.SIGNATURE.toString());
    String message = json.getString(GNSProtocol.SIGNATUREFULLMESSAGE.toString());
    Date timestamp = json.has(GNSProtocol.TIMESTAMP.toString()) ? Format.parseDateISO8601UTC(json.getString(GNSProtocol.TIMESTAMP.toString())) : // can be null on older client
    null;
    MetaDataTypeName access;
    if ((access = MetaDataTypeName.valueOf(accessType)) == null) {
        return new CommandResponse(ResponseCode.BAD_ACL_TYPE_ERROR, GNSProtocol.BAD_RESPONSE.toString() + " " + GNSProtocol.BAD_ACL_TYPE.toString() + "Should be one of " + Arrays.toString(MetaDataTypeName.values()));
    }
    ResponseCode responseCode;
    if (!(responseCode = FieldMetaData.deleteField(header, commandPacket, access, guid, field, writer, signature, message, timestamp, handler)).isExceptionOrError()) {
        return new CommandResponse(ResponseCode.NO_ERROR, GNSProtocol.OK_RESPONSE.toString());
    } else {
        return new CommandResponse(responseCode, GNSProtocol.BAD_RESPONSE.toString() + " " + responseCode.getProtocolCode());
    }
}