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Use Maven for installer data
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@Gaming32
Gaming32 committed Jul 26, 2023
1 parent 63ded7a commit 687cca9
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Showing 2 changed files with 66 additions and 35 deletions.
3 changes: 2 additions & 1 deletion build.gradle.kts
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ plugins {
}

group = "io.github.gaming32"
version = "1.0.2"
version = "1.0.3"

application {
mainClass.set("io.github.gaming32.prcraftinstaller.PrcraftInstaller")
Expand All @@ -21,6 +21,7 @@ repositories {
}

dependencies {
api("commons-io:commons-io:2.13.0")
api("com.nitorcreations:javaxdelta:1.5")
api("net.fabricmc:tiny-remapper:0.8.7")
api("org.apache.commons:commons-compress:1.23.0")
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98 changes: 64 additions & 34 deletions src/main/java/io/github/gaming32/prcraftinstaller/PrcraftInstaller.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,59 +4,96 @@
import net.fabricmc.tinyremapper.OutputConsumerPath;
import net.fabricmc.tinyremapper.TinyRemapper;
import net.fabricmc.tinyremapper.TinyUtils;
import org.apache.commons.compress.archivers.zip.Zip64Mode;
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream;
import org.apache.commons.compress.archivers.zip.ZipFile;
import org.apache.commons.compress.utils.IOUtils;
import org.apache.commons.compress.utils.SeekableInMemoryByteChannel;
import org.apache.commons.io.input.SequenceReader;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;

import javax.swing.*;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.awt.*;
import java.io.*;
import java.net.URI;
import java.net.URL;
import java.nio.channels.Channels;
import java.nio.channels.SeekableByteChannel;
import java.nio.charset.StandardCharsets;
import java.nio.file.FileSystem;
import java.nio.file.*;
import java.util.Collections;

public class PrcraftInstaller {
public static final String DATA_ROOT = "https://github.com/Gaming32/prcraft-installer-data/raw/main";
public static final String ARTIFACT_ROOT = "https://maven.jemnetworks.com/releases/io/github/gaming32/prcraft";

public static void runInstaller(Path outputFile) throws IOException {
final Path mappingsZipPath = Files.createTempFile("prcraft", ".zip");
final Path unmappedClientPath = Files.createTempFile("prcraft", ".jar");
try {
downloadFile(unmappedClientPath, "https://launcher.mojang.com/v1/objects/4a2fac7504182a97dcbcd7560c6392d7c8139928/client.jar");
final String latestVersion = getLatestVersion();
final SeekableByteChannel patchChannel = new SeekableInMemoryByteChannel();
downloadFile(
Channels.newOutputStream(patchChannel),
ARTIFACT_ROOT + '/' + latestVersion + "/prcraft-" + latestVersion + ".zip"
);
runInstaller(
patchChannel,
Integer.parseInt(latestVersion.substring(latestVersion.lastIndexOf('.') + 1)),
unmappedClientPath, outputFile
);
} finally {
Files.deleteIfExists(unmappedClientPath);
}
}

public static String getLatestVersion() throws IOException {
try (InputStream is = new URL(ARTIFACT_ROOT + "/maven-metadata.xml").openStream()) {
final Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(is);
return document.getElementsByTagName("latest").item(0).getTextContent();
} catch (ParserConfigurationException | SAXException e) {
throw new RuntimeException(e);
}
}

public static void runInstaller(SeekableByteChannel patchChannel, int buildNumber, Path vanillaJar, Path outputFile) throws IOException {
final Path mappingsZipPath = Files.createTempFile("prcraft", ".zip");
final Path mappedClientPath = Files.createTempFile("prcraft", ".jar");
Files.deleteIfExists(mappedClientPath);
try {
downloadFile(mappingsZipPath, "https://mcphackers.org/versions/1.2.5.zip");
downloadFile(unmappedClientPath, "https://launcher.mojang.com/v1/objects/4a2fac7504182a97dcbcd7560c6392d7c8139928/client.jar");
remapClient(mappingsZipPath, unmappedClientPath, mappedClientPath);

final SeekableByteChannel patchChannel = new SeekableInMemoryByteChannel();
downloadFile(Channels.newOutputStream(patchChannel), DATA_ROOT + "/prcraft-patch.zip");
try (
ZipFile patch = new ZipFile(patchChannel);
ZipFile input = new ZipFile(mappedClientPath);
ZipArchiveOutputStream output = new ZipArchiveOutputStream(outputFile);
BufferedReader patchList = new BufferedReader(new InputStreamReader(patch.getInputStream(patch.getEntry("META-INF/file.list"))))
) {
output.putArchiveEntry(new ZipArchiveEntry("track.txt"));
downloadFile(output, DATA_ROOT + "/buildnumber");
output.flush();
output.closeArchiveEntry();

patchList.readLine();
patchList.readLine();
new JarPatcher("prcraft-patch.zip", "1.2.5-mapped.jar")
.applyDelta(patch, input, output, patchList, "");
try (ZipFile patch = new ZipFile(patchChannel)) {
try (InputStream extraMappings = patch.getInputStream(patch.getEntry("extramappings.tiny"))) {
remapClient(mappingsZipPath, vanillaJar, mappedClientPath, extraMappings);
}

try (
ZipFile input = new ZipFile(mappedClientPath);
ZipArchiveOutputStream output = new ZipArchiveOutputStream(outputFile);
BufferedReader patchList = new BufferedReader(new InputStreamReader(patch.getInputStream(patch.getEntry("META-INF/file.list"))))
) {
output.setUseZip64(Zip64Mode.Never);

output.putArchiveEntry(new ZipArchiveEntry("track.txt"));
output.write(Integer.toString(buildNumber).getBytes(StandardCharsets.UTF_8));
output.flush();
output.closeArchiveEntry();

patchList.readLine();
patchList.readLine();
new JarPatcher("prcraft-patch.zip", "1.2.5-mapped.jar")
.applyDelta(patch, input, output, patchList, "");
}
}
} finally {
Files.deleteIfExists(mappingsZipPath);
Files.deleteIfExists(unmappedClientPath);
Files.deleteIfExists(mappedClientPath);
}
}
Expand All @@ -73,21 +110,14 @@ private static void downloadFile(OutputStream dest, String url) throws IOExcepti
}
}

private static byte[] downloadByteArray(String url) throws IOException {
try (InputStream is = new URL(url).openStream()) {
return IOUtils.toByteArray(is);
}
}

private static void remapClient(Path mappingsZipPath, Path unmappedClientPath, Path destPath) throws IOException {
private static void remapClient(Path mappingsZipPath, Path unmappedClientPath, Path destPath, InputStream extraMappings) throws IOException {
try (FileSystem zipFs = FileSystems.newFileSystem(mappingsZipPath, null)) {
final BufferedReader extraMappingsReader = new BufferedReader(new InputStreamReader(extraMappings));
extraMappingsReader.readLine();
final TinyRemapper remapper = TinyRemapper.newRemapper()
.withMappings(TinyUtils.createTinyMappingProvider(
Files.newBufferedReader(zipFs.getPath("/client.tiny")), "official", "named"
))
.withMappings(TinyUtils.createTinyMappingProvider(
new BufferedReader(new InputStreamReader(
new ByteArrayInputStream(downloadByteArray(DATA_ROOT + "/extramappings.tiny"))
new BufferedReader(new SequenceReader(
Files.newBufferedReader(zipFs.getPath("/client.tiny")), extraMappingsReader
)), "official", "named"
))
.build();
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