JfMods/Resclone
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Resclone
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Unified and improved GitHubFetcher

This commit is contained in:
seasnail8169 2021-04-03 02:54:24 +01:00
parent eb1f0c29d5
commit d96ce14496
5 changed files with 92 additions and 84 deletions
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6
src/main/java/io/gitlab/jfronny/resclone/RescloneEntryDefault.java
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@ -5,8 +5,7 @@ import io.gitlab.jfronny.resclone.api.RescloneEntry;
import io.gitlab.jfronny.resclone.config.ConfigLoader;
import io.gitlab.jfronny.resclone.fetchers.BasicFileFetcher;
import io.gitlab.jfronny.resclone.fetchers.CurseforgeFetcher;
import io.gitlab.jfronny.resclone.fetchers.GithubMasterFetcher;
import io.gitlab.jfronny.resclone.fetchers.GithubReleaseFetcher;
import io.gitlab.jfronny.resclone.fetchers.GitHubFetcher;
import io.gitlab.jfronny.resclone.processors.PruneVanillaProcessor;
import net.fabricmc.api.EnvType;
import net.fabricmc.loader.api.FabricLoader;
@ -16,8 +15,7 @@ public class RescloneEntryDefault implements RescloneEntry {
@Override
public void init(RescloneApi api) {
api.addFetcher(new BasicFileFetcher());
api.addFetcher(new GithubMasterFetcher());
api.addFetcher(new GithubReleaseFetcher());
api.addFetcher(new GitHubFetcher());
api.addFetcher(new CurseforgeFetcher());
if (FabricLoader.getInstance().getEnvironmentType() == EnvType.CLIENT)
api.addProcessor(new PruneVanillaProcessor());

89
src/main/java/io/gitlab/jfronny/resclone/fetchers/GitHubFetcher.java Normal file
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@ -0,0 +1,89 @@
package io.gitlab.jfronny.resclone.fetchers;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import io.gitlab.jfronny.resclone.Resclone;
import io.gitlab.jfronny.resclone.util.UrlUtils;
public class GitHubFetcher extends PackFetcher {
@Override
public String getSourceTypeName() {
return "github";
}
@Override
String getDownloadUrl(String baseUrl) throws Exception {
String[] parts = baseUrl.split("/");
if (parts.length < 2) {
throw new Exception("Minimum source must contain \"user/repo\".");
}
/* "user/repo" - Gets from latest commit of main/master branch. */
else if (parts.length == 2) {
Resclone.LOGGER.info("Getting from main branch.");
return getFromMain(parts[0], parts[1]);
}
/* "user/repo/branch/branchName" - Gets from latest commit of specified branch. */
else if (parts[2].equalsIgnoreCase("branch")) {
if (parts.length < 4) throw new Exception("Missing branch name in source definition.");
else {
Resclone.LOGGER.info("Getting from " + parts[3] + " branch.");
return getFromBranch(parts[0], parts[1], parts[3]);
}
}
/* "user/repo/release" - Gets from the latest release. */
else if (parts[2].equalsIgnoreCase("release")) {
try {
JsonObject latestRelease = UrlUtils.readJsonFromURL("https://api.github.com/repos/" + parts[0] + "/" + parts[1] + "/releases/latest", JsonObject.class);
String res = null;
for (JsonElement element : latestRelease.get("assets").getAsJsonArray()) {
JsonObject o = element.getAsJsonObject();
if ("application/x-zip-compressed".equals(o.get("content_type").getAsString()) || o.get("name").getAsString().endsWith(".zip")) {
res = o.get("browser_download_url").getAsString();
break;
}
}
Resclone.LOGGER.info("Getting from latest release.");
if (res == null) return latestRelease.get("zipball_url").getAsString();
else return res;
} catch (Throwable e) {
throw new Exception("Failed to get github release asset", e);
}
}
/* "user/repo/tag/tagNum" - Gets from a specified tag. */
else if (parts[2].equalsIgnoreCase("tag")) {
if (parts.length < 4) throw new Exception("Missing tag number in source definition.");
else {
Resclone.LOGGER.info("Getting from " + parts[3] + " tag.");
return getFromTag(parts[0], parts[1], parts[3]);
}
}
return null;
}
private String getFromMain(String user, String repo) {
String url = getFromBranch(user, repo, "main");
if (!UrlUtils.urlValid(url)) url = getFromBranch(user, repo, "master");
return url;
}
private String getFromBranch(String user, String repo, String branch) {
return "https://github.com/" + user + "/" + repo + "/archive/refs/heads/" + branch + ".zip";
}
private String getFromTag(String user, String repo, String tag) {
return "https://github.com/" + user + "/" + repo + "/archive/refs/tags/" + tag + ".zip";
}
}

36
src/main/java/io/gitlab/jfronny/resclone/fetchers/GithubMasterFetcher.java
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@ -1,36 +0,0 @@
package io.gitlab.jfronny.resclone.fetchers;
import io.gitlab.jfronny.resclone.util.UrlUtils;
public class GithubMasterFetcher extends PackFetcher {
@Override
public String getSourceTypeName() {
return "github-master";
}
@Override
public String getDownloadUrl(String baseUrl) throws Exception {
String[] parts = baseUrl.split("/");
String url;
switch (parts.length) {
case 2:
url = getStr(parts[0], parts[1], "main");
if (!UrlUtils.urlValid(url)) url = getStr(parts[0], parts[1], "master");
break;
case 3:
url = getStr(parts[0], parts[1], parts[2]);
break;
default:
throw new Exception("Format for github-master is USER/REPO[/BRANCH]");
}
return url;
}
private String getStr(String user, String repo, String branch) {
return "https://github.com/" + user + "/" + repo + "/archive/refs/heads/" + branch + ".zip";
}
}

43
src/main/java/io/gitlab/jfronny/resclone/fetchers/GithubReleaseFetcher.java
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@ -1,43 +0,0 @@
package io.gitlab.jfronny.resclone.fetchers;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import io.gitlab.jfronny.resclone.Resclone;
import io.gitlab.jfronny.resclone.util.UrlUtils;
public class GithubReleaseFetcher extends PackFetcher {
@Override
public String getSourceTypeName() {
return "github-release";
}
@Override
String getDownloadUrl(String baseUrl) throws Exception {
String[] parts = baseUrl.split("/");
if (parts.length == 2) {
try {
JsonObject latestRelease = UrlUtils.readJsonFromURL("https://api.github.com/repos/" + parts[0] + "/" + parts[1] + "/releases/latest", JsonObject.class);
String res = null;
for (JsonElement element : latestRelease.get("assets").getAsJsonArray()) {
JsonObject o = element.getAsJsonObject();
if ("application/x-zip-compressed".equals(o.get("content_type").getAsString())
|| o.get("name").getAsString().endsWith(".zip")) {
res = o.get("browser_download_url").getAsString();
break;
}
}
if (res == null) {
Resclone.LOGGER.info("Could not find release asset for " + baseUrl + ", using zipball");
return latestRelease.get("zipball_url").getAsString();
}
return res;
} catch (Throwable e) {
throw new Exception("Failed to get github release asset", e);
}
} else {
throw new Exception("Format for github-release is USER/REPO");
}
}
}

2
src/main/java/io/gitlab/jfronny/resclone/fetchers/PackFetcher.java
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@ -39,7 +39,7 @@ public abstract class PackFetcher {
while ((bytesRead = is.read(dataBuffer, 0, 1024)) != -1) {
os.write(dataBuffer, 0, bytesRead);
}
Resclone.LOGGER.info("Completed download");
Resclone.LOGGER.info("Finished downloading.");
} catch (Throwable e) {
throw new Exception("Could not download pack", e);
}