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// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.restapi.statuspage;
import com.google.inject.Inject;
import com.yahoo.container.jdisc.HttpRequest;
import com.yahoo.container.jdisc.HttpResponse;
import com.yahoo.container.jdisc.LoggingRequestHandler;
import com.yahoo.container.jdisc.secretstore.SecretStore;
import com.yahoo.vespa.hosted.controller.restapi.ErrorResponse;
import com.yahoo.vespa.hosted.controller.restapi.Path;
import com.yahoo.vespa.hosted.controller.statuspage.config.StatuspageConfig;
import com.yahoo.yolean.Exceptions;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URI;
import java.util.Optional;
import java.util.logging.Level;
/**
* Proxies requests from the controller to StatusPage.
*
* @author andreer
* @author mpolden
*/
@SuppressWarnings("unused") // Handler
public class StatusPageProxyHandler extends LoggingRequestHandler {
private static final String secretKey = "vespa_hosted.controller.statuspage_api_key";
private final SecretStore secretStore;
private final URI apiUrl;
@Inject
public StatusPageProxyHandler(Context parentCtx, SecretStore secretStore, StatuspageConfig config) {
super(parentCtx);
this.secretStore = secretStore;
this.apiUrl = URI.create(config.apiUrl());
}
@Override
public HttpResponse handle(HttpRequest request) {
try {
switch (request.getMethod()) {
case GET: return handleGET(request);
default: return ErrorResponse.methodNotAllowed("Method '" + request.getMethod() + "' is not supported");
}
} catch (IllegalArgumentException 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 handleGET(HttpRequest request) {
Path path = new Path(request.getUri().getPath());
if (!path.matches("/statuspage/v1/{page}")) {
return ErrorResponse.notFoundError("Nothing at " + path);
}
StatusPageClient client = StatusPageClient.create(apiUrl, secretStore.getSecret(secretKey));
Optional<String> since = Optional.ofNullable(request.getProperty("since"));
byte[] response = client.get(path.get("page"), since);
return new ByteArrayHttpResponse(response);
}
private static class ByteArrayHttpResponse extends HttpResponse {
private final byte[] data;
public ByteArrayHttpResponse(byte[] data) {
super(200);
this.data = data;
}
@Override
public void render(OutputStream out) throws IOException {
out.write(data);
}
@Override
public String getContentType() {
return "application/json";
}
}
}
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