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// Copyright 2019 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.restapi.athenz;
import com.yahoo.container.jdisc.HttpRequest;
import com.yahoo.container.jdisc.HttpResponse;
import com.yahoo.container.jdisc.LoggingRequestHandler;
import com.yahoo.jdisc.http.HttpRequest.Method;
import com.yahoo.restapi.Path;
import com.yahoo.slime.Cursor;
import com.yahoo.slime.Slime;
import com.yahoo.vespa.athenz.api.AthenzDomain;
import com.yahoo.vespa.hosted.controller.api.identifiers.Property;
import com.yahoo.vespa.hosted.controller.api.identifiers.PropertyId;
import com.yahoo.vespa.hosted.controller.api.integration.entity.EntityService;
import com.yahoo.vespa.hosted.controller.athenz.impl.AthenzFacade;
import com.yahoo.vespa.hosted.controller.restapi.ErrorResponse;
import com.yahoo.vespa.hosted.controller.restapi.ResourceResponse;
import com.yahoo.vespa.hosted.controller.restapi.SlimeJsonResponse;
import com.yahoo.yolean.Exceptions;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* This API proxies requests to an Athenz server.
*
* @author jonmv
*/
@SuppressWarnings("unused") // Handler
public class AthenzApiHandler extends LoggingRequestHandler {
private final static Logger log = Logger.getLogger(AthenzApiHandler.class.getName());
private final AthenzFacade athenz;
private final EntityService properties;
public AthenzApiHandler(Context parentCtx, AthenzFacade athenz, EntityService properties) {
super(parentCtx);
this.athenz = athenz;
this.properties = properties;
}
@Override
public HttpResponse handle(HttpRequest request) {
Method method = request.getMethod();
try {
switch (method) {
case GET: return get(request);
default: return ErrorResponse.methodNotAllowed("Method '" + method + "' is unsupported");
}
}
catch (IllegalArgumentException|IllegalStateException e) {
return ErrorResponse.badRequest(Exceptions.toMessageString(e));
}
catch (RuntimeException e) {
log.log(Level.WARNING, "Unexpected error handling '" + request.getUri() + "'", e);
return ErrorResponse.internalServerError(Exceptions.toMessageString(e));
}
}
private HttpResponse get(HttpRequest request) {
Path path = new Path(request.getUri().getPath());
if (path.matches("/athenz/v1")) return root(request);
if (path.matches("/athenz/v1/domains")) return domainList(request);
if (path.matches("/athenz/v1/properties")) return properties();
return ErrorResponse.notFoundError(String.format("No '%s' handler at '%s'", request.getMethod(),
request.getUri().getPath()));
}
private HttpResponse root(HttpRequest request) {
return new ResourceResponse(request, "domains", "properties");
}
private HttpResponse properties() {
Slime slime = new Slime();
Cursor response = slime.setObject();
Cursor array = response.setArray("properties");
for (Map.Entry<PropertyId, Property> entry : properties.listProperties().entrySet()) {
Cursor propertyObject = array.addObject();
propertyObject.setString("propertyid", entry.getKey().id());
propertyObject.setString("property", entry.getValue().id());
}
return new SlimeJsonResponse(slime);
}
private HttpResponse domainList(HttpRequest request) {
Slime slime = new Slime();
Cursor array = slime.setObject().setArray("data");
for (AthenzDomain athenzDomain : athenz.getDomainList(request.getProperty("prefix")))
array.addString(athenzDomain.getName());
return new SlimeJsonResponse(slime);
}
}
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