com.sap.cloud.mt.subscription.SaasRegistry Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of multi-tenant-subscription Show documentation
Spring Boot Enablement Parent
There is a newer version: 3.3.3
Show newest version
/******************************************************************************
 * © 2020 SAP SE or an SAP affiliate company. All rights reserved.            *
 ******************************************************************************/

package com.sap.cloud.mt.subscription;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.sap.cloud.mt.subscription.exceptions.CommunicationError;
import com.sap.cloud.mt.subscription.exceptions.InternalError;
import com.sap.cloud.mt.subscription.json.SaasCallBackPayload;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHeaders;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.client.methods.RequestBuilder;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;

import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;

public class SaasRegistry {
    private static final String APPLICATION_JSON = "application/json";
    static final String SUCCEEDED = "SUCCEEDED";
    static final String FAILED = "FAILED";
    private final ClientCredentialJwtAccess jwtAccess;
    private final String saasRegistryUrl;
    private static final String AUTHENTIFICATION_SCHEME = "Bearer";

    public SaasRegistry(ClientCredentialJwtReader jwtReader, String saasRegistryUrl) {
        jwtAccess = new ClientCredentialJwtAccess(jwtReader);
        this.saasRegistryUrl = saasRegistryUrl;
    }

    public void callBackSaasRegistry(boolean success, String message, String subscriptionUrl, String callbackUrl) throws InternalError {
        String completeUrl = saasRegistryUrl + callbackUrl;
        try (CloseableHttpClient httpClient = HttpClientBuilder.create().build()) {
            SaasCallBackPayload payload = new SaasCallBackPayload();
            payload.message = message;
            if (success) {
                payload.status = SUCCEEDED;
            } else {
                payload.status = FAILED;
            }
            payload.subscriptionUrl = subscriptionUrl;
            ObjectMapper objectMapper = new ObjectMapper();
            String jsonAsStr = objectMapper.writeValueAsString(payload);
            HttpEntity entity = new StringEntity(jsonAsStr, ContentType.APPLICATION_JSON);
            String jwt = jwtAccess.getJwt();
            if (jwt == null || jwt.isEmpty()) {
                throw new InternalError("Could not call saas registry as jwt is empty");
            }
            HttpUriRequest putRequest = RequestBuilder.put(new URL(completeUrl).toURI())
                    .setHeader(HttpHeaders.AUTHORIZATION, AUTHENTIFICATION_SCHEME + " " + jwt)
                    .setHeader(HttpHeaders.ACCEPT, APPLICATION_JSON)
                    .setHeader(HttpHeaders.CONTENT_TYPE, APPLICATION_JSON)
                    .setEntity(entity)
                    .build();
            try (CloseableHttpResponse response = httpClient.execute(putRequest)) {
                int responseCode = response.getStatusLine().getStatusCode();
                if (responseCode != HttpStatus.SC_OK) {
                    throw new InternalError("Saas registry returned http status " + responseCode + " . Called saas registry url is " + completeUrl);
                }
            }
        } catch (URISyntaxException e) {
            throw new InternalError("Saas registry url " + callbackUrl + " has wrong format " +
                    " . Called saas registry url is " + completeUrl, e);
        } catch (IOException | CommunicationError e) {
            throw new InternalError("Could not call saas registry. Reason is " + e.getMessage() +
                    " . Called saas registry url is " + completeUrl, e);
        }
    }
}