com.atlassian.asap.core.server.SimpleServerRunner Maven / Gradle / Ivy

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package com.atlassian.asap.core.server;

import java.util.Set;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import static org.apache.commons.lang3.StringUtils.defaultIfBlank;

/**
 * A command line interface for {@link SimpleServer}.
 */
public class SimpleServerRunner
{
    /**
     * Port to listen on.
     */
    public static final String PORT_SYSPROP = "asap.port";

    /**
     * System property that specifies the base URL of the public key server repository to use.
     */
    public static final String PUBLIC_KEY_SERVER_URL_SYSPROP = "asap.public.key.repo.url";

    /**
     * System property that specifies the resource server audience.
     */
    public static final String RESOURCE_SERVER_AUDIENCE_SYSPROP = "asap.resource.server.audience";

    /**
     * System property that specifies the authorized subjects for the resource.
     * The authorized subjects must be a comma separated string of subject names without any whitespaces
     */
    public static final String AUTHORIZED_SUBJECT_SYSPROP = "asap.resource.server.authorized.subjects";

    /**
     * System property that specifies the authorized issuers for the resource.
     * The authorized issuers must be a comma separated string of issuer names without any whitespaces.
     * If omitted or empty, the authorized issuers are equal to the authorized subjects.
     */
    public static final String AUTHORIZED_ISSUER_SYSPROP = "asap.resource.server.authorized.issuer";

    private static String DEFAULT_PUBLIC_KEY_REPO = "classpath://publickeyrepo/";

    private static final Logger logger = LoggerFactory.getLogger(SimpleServerRunner.class);

    /**
     * Main function to run the server.
     * @param args command line arguments
     * @throws Exception if the server fails to start
     */
    public static void main(String[] args) throws Exception
    {
        int port = Integer.getInteger(PORT_SYSPROP, 8080);

        String publicKeyBaseUrl = defaultIfBlank(System.getProperty(PUBLIC_KEY_SERVER_URL_SYSPROP), DEFAULT_PUBLIC_KEY_REPO);
        String audience = defaultIfBlank(System.getProperty(RESOURCE_SERVER_AUDIENCE_SYSPROP), "test-resource-server");
        String authorizedSubjectsString = defaultIfBlank(System.getProperty(AUTHORIZED_SUBJECT_SYSPROP), "issuer1,issuer2,issuer3");
        String authorizedIssuersString = defaultIfBlank(System.getProperty(AUTHORIZED_ISSUER_SYSPROP), authorizedSubjectsString);
        Set authorizedSubjects = Pattern.compile(",").splitAsStream(authorizedSubjectsString).filter(StringUtils::isNotEmpty).collect(Collectors.toSet());
        Set authorizedIssuers = Pattern.compile(",").splitAsStream(authorizedIssuersString).filter(StringUtils::isNotEmpty).collect(Collectors.toSet());

        SimpleServer simpleServer = new SimpleServer(port, publicKeyBaseUrl, audience, authorizedSubjects, authorizedIssuers);

        logger.info("Server initialized with: Audience: {}, pkPath: {}, authorized subjects: {}, authorized issuers: {}",
            audience, publicKeyBaseUrl, authorizedSubjects, authorizedIssuers);

        simpleServer.start();
    }
}