org.metaeffekt.artifact.resolver.npm.NpmRepositoryAdapter Maven / Gradle / Ivy

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/*
 * Copyright 2021-2024 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.metaeffekt.artifact.resolver.npm;

import org.metaeffekt.artifact.resolver.ResolverResult;
import org.metaeffekt.artifact.resolver.download.WebAccess;
import org.metaeffekt.artifact.resolver.generic.AbstractDownloadingAdapter;
import org.metaeffekt.artifact.resolver.generic.FileLocation;
import org.metaeffekt.artifact.resolver.model.DownloadLocation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.io.IOException;
import java.util.Optional;

public class NpmRepositoryAdapter extends AbstractDownloadingAdapter {
    private static final Logger LOG = LoggerFactory.getLogger(NpmRepositoryAdapter.class);

    public NpmRepositoryAdapter(DownloadLocation downloadLocation, WebAccess webAccess) {
        super(downloadLocation, webAccess);
    }

    private File downloadArtifact(NpmArtifactReference reference, String urlPart) {
        try {
            // FIXME: move into config; support multiple repos
            final String repositoryUrl = "https://registry.npmjs.org/";

            File download = download(reference, repositoryUrl, urlPart);
            if (download != null) {
                return download;
            }
        } catch (Exception e) {
            // ignore; missing pom will be handled by caller
        }
        return null;
    }

    private File download(NpmArtifactReference reference, String repositoryUrl, String urlPath) throws IOException {

        final String uri = repositoryUrl + urlPath;

        final FileLocation fileLocation = reference.deriveFileLocation();

        final File file = deriveDownloadFile(fileLocation);
        final File markerFile = deriveMarkerFile(fileLocation, repositoryUrl);

        if (!file.exists()) {
            if (uri.startsWith("http")) {

                // do not reattempt download as long as a recent (less than a day old) marker file exists
                if (hasRecentFailedDownloadAttempt(markerFile)) {
                    LOG.info("Skipping download [{}]. Recent attempt failed: [{}]", uri, file.getAbsolutePath());
                    return null;
                }

                // manage markers; remove complete folder once we decided to attempt a new download
                removeMarker(markerFile);

                try (WebAccess.WebSession session = getWebAccess().createSession()) {
                    LOG.info("Downloading: [{}]", uri);
                    Optional downloadFile = session.downloadFile(uri, file, manageMarkerErrorResponseConsumer(markerFile));
                    return downloadFile.orElse(null);
                }
            }
        } else {
            LOG.debug("Skipping download [{}]. File already exists: [{}]", uri, file.getAbsolutePath());
        }
        return file;
    }

    public ResolverResult resolveSourceArchive(NpmArtifactReference artifactReference) {
        final File file = downloadArtifact(artifactReference, artifactReference.deriveUrlPart());
        return resolve(file, null);
    }

}