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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.jdisc.athenz.impl;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.inject.Inject;
import com.yahoo.component.AbstractComponent;
import com.yahoo.container.core.identity.IdentityConfig;
import com.yahoo.container.jdisc.athenz.AthenzIdentityProvider;
import java.io.IOException;
import java.security.KeyPair;
/**
* @author mortent
*/
public final class AthenzIdentityProviderImpl extends AbstractComponent implements AthenzIdentityProvider {
private InstanceIdentity instanceIdentity;
private final String dnsSuffix;
private final String providerUniqueId;
private final String domain;
private final String service;
@Inject
public AthenzIdentityProviderImpl(IdentityConfig config) throws IOException {
this(config, new ServiceProviderApi(config.loadBalancerAddress()), new AthenzService());
}
// Test only
AthenzIdentityProviderImpl(IdentityConfig config, ServiceProviderApi serviceProviderApi, AthenzService athenzService) throws IOException {
KeyPair keyPair = CryptoUtils.createKeyPair();
this.domain = config.domain();
this.service = config.service();
String signedIdentityDocument = serviceProviderApi.getSignedIdentityDocument();
String ztsEndpoint = getZtsEndpoint(signedIdentityDocument);
this.dnsSuffix = getDnsSuffix(signedIdentityDocument);
this.providerUniqueId = getProviderUniqueId(signedIdentityDocument);
String providerServiceName = getProviderServiceName(signedIdentityDocument);
InstanceRegisterInformation instanceRegisterInformation = new InstanceRegisterInformation(
providerServiceName,
this.domain,
this.service,
signedIdentityDocument,
CryptoUtils.toPem(CryptoUtils.createCSR(domain, service, dnsSuffix, providerUniqueId, keyPair)),
true
);
instanceIdentity = athenzService.sendInstanceRegisterRequest(instanceRegisterInformation, ztsEndpoint);
}
private static String getProviderUniqueId(String signedIdentityDocument) throws IOException {
return getJsonNode(signedIdentityDocument, "provider-unique-id");
}
private static String getDnsSuffix(String signedIdentityDocument) throws IOException {
return getJsonNode(signedIdentityDocument, "dns-suffix");
}
private static String getProviderServiceName(String signedIdentityDocument) throws IOException {
return getJsonNode(signedIdentityDocument, "provider-service");
}
private static String getZtsEndpoint(String signedIdentityDocument) throws IOException {
return getJsonNode(signedIdentityDocument, "zts-endpoint");
}
private static String getJsonNode(String jsonString, String path) throws IOException {
ObjectMapper mapper = new ObjectMapper();
JsonNode jsonNode = mapper.readTree(jsonString);
return jsonNode.get(path).asText();
}
@Override
public String getNToken() {
return instanceIdentity.getServiceToken();
}
@Override
public String getX509Cert() {
return instanceIdentity.getX509Certificate();
}
@Override
public String domain() {
return domain;
}
@Override
public String service() {
return service;
}
}
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