92 lines
3.5 KiB
Java
92 lines
3.5 KiB
Java
package io.gitlab.jfronny.resclone.fetchers;
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import io.gitlab.jfronny.commons.http.client.HttpClient;
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import io.gitlab.jfronny.resclone.Resclone;
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import io.gitlab.jfronny.resclone.data.github.Release;
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import io.gitlab.jfronny.resclone.data.github.Repository;
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import org.jetbrains.annotations.Nullable;
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import java.io.IOException;
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import java.net.URISyntaxException;
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public class GitHubFetcher extends BasePackFetcher {
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@Override
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public String getSourceTypeName() {
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return "github";
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}
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@Override
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String getDownloadUrl(String baseUrl) throws Exception {
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String[] parts = baseUrl.split("/");
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if (parts.length < 2) {
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throw new Exception("Minimum source must contain \"user/repo\".");
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}
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//"user/repo" - Gets from latest commit of main/master branch.
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else if (parts.length == 2) {
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return getFromBranch(baseUrl, null);
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}
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//"user/repo/branch/branchName" - Gets from latest commit of specified branch.
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else if (parts[2].equalsIgnoreCase("branch")) {
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if (parts.length < 4) throw new Exception("Missing branch name in source definition.");
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else {
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Resclone.LOGGER.info("Getting from " + parts[3] + " branch.");
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return getFromBranch(parts[0] + "/" + parts[1], parts[3]);
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}
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}
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//"user/repo/release" - Gets from the latest release.
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else if (parts[2].equalsIgnoreCase("release")) {
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try {
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Release latestRelease = HttpClient.get("https://api.github.com/repos/" + parts[0] + "/" + parts[1] + "/releases/latest").sendSerialized(Release.class);
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String res = null;
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for (Release.Asset asset : latestRelease.assets) {
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if ("application/x-zip-compressed".equals(asset.content_type) || asset.name.endsWith(".zip")) {
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res = asset.browser_download_url;
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break;
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}
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}
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Resclone.LOGGER.info("Getting from latest release.");
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if (res == null) return latestRelease.zipball_url;
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else return res;
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} catch (Throwable e) {
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throw new Exception("Failed to get github release asset", e);
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}
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}
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//"user/repo/tag/tagNum" - Gets from a specified tag.
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else if (parts[2].equalsIgnoreCase("tag")) {
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if (parts.length < 4) throw new Exception("Missing tag number in source definition.");
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else {
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return getFromTag(parts[0] + "/" + parts[1], parts[3]);
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}
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}
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return null;
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}
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private String getFromBranch(String repo, @Nullable String branch) {
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if (branch == null) {
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try {
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branch = HttpClient.get("https://api.github.com/repos/" + repo).<Repository>sendSerialized(Repository.class).default_branch;
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} catch (IOException | URISyntaxException e) {
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Resclone.LOGGER.error("Failed to fetch branch for " + repo + ". Choosing \"main\"", e);
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branch = "main";
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}
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}
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Resclone.LOGGER.info("Getting " + repo + " from " + branch + " branch.");
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return "https://codeload.github.com/" + repo + "/legacy.zip/refs/heads/" + branch;
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}
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private String getFromTag(String repo, String tag) {
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Resclone.LOGGER.info("Getting from tag " + tag + ".");
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return "https://codeload.github.com/" + repo + "/legacy.zip/refs/tags/" + tag;
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}
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}
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