ApplicationAssertions.java
/*
* Copyright 2016 RedRoma, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package tech.aroma.application.service;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import tech.aroma.thrift.authentication.ApplicationToken;
import tech.aroma.thrift.authentication.service.AuthenticationService;
import tech.aroma.thrift.authentication.service.VerifyTokenRequest;
import tech.aroma.thrift.authentication.service.VerifyTokenResponse;
import tech.aroma.thrift.exceptions.InvalidArgumentException;
import tech.aroma.thrift.exceptions.InvalidTokenException;
import tech.sirwellington.alchemy.annotations.access.Internal;
import tech.sirwellington.alchemy.annotations.access.NonInstantiable;
import tech.sirwellington.alchemy.annotations.arguments.Required;
import tech.sirwellington.alchemy.arguments.AlchemyAssertion;
import tech.sirwellington.alchemy.arguments.ExceptionMapper;
import tech.sirwellington.alchemy.arguments.FailedAssertionException;
import static tech.sirwellington.alchemy.arguments.Arguments.checkThat;
import static tech.sirwellington.alchemy.arguments.assertions.Assertions.notNull;
import static tech.sirwellington.alchemy.arguments.assertions.StringAssertions.nonEmptyString;
/**
*
* @author SirWellington
*/
@NonInstantiable
@Internal
public final class ApplicationAssertions
{
private final static Logger LOG = LoggerFactory.getLogger(ApplicationAssertions.class);
private ApplicationAssertions() throws IllegalAccessException
{
throw new IllegalAccessException("cannot instantiate");
}
public static AlchemyAssertion<ApplicationToken> validTokenIn(@Required AuthenticationService.Iface authenticationService)
{
checkThat(authenticationService)
.usingMessage("authentication service is null")
.is(notNull());
return token ->
{
checkThat(token)
.usingMessage("token is null")
.is(notNull());
checkThat(token.tokenId)
.usingMessage("tokenId is missing")
.is(nonEmptyString());
VerifyTokenRequest request = new VerifyTokenRequest()
.setTokenId(token.getTokenId())
.setOwnerId(token.applicationId);
VerifyTokenResponse response;
try
{
response = authenticationService.verifyToken(request);
}
catch (InvalidTokenException ex)
{
throw new FailedAssertionException("Token is not valid");
}
catch (Exception ex)
{
throw new FailedAssertionException("Could not contact Authentication Service", ex);
}
};
}
public static ExceptionMapper<InvalidArgumentException> withMessage(String message)
{
return ex -> new InvalidArgumentException(message);
}
}