This commit is contained in:
Timo Ley 2021-05-27 21:48:38 +02:00
commit 45292c9909
13 changed files with 636 additions and 0 deletions

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.gitignore vendored Normal file
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.gradle
.idea
build
src/test

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build.gradle Normal file
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plugins {
id 'java'
id "com.github.johnrengelman.shadow" version "5.2.0"
}
group 'ley.modding'
version '1.0'
sourceCompatibility = 1.8
repositories {
mavenCentral()
maven {
url "https://libraries.minecraft.net"
name "minecraft"
}
}
dependencies {
implementation group: 'net.lingala.zip4j', name: 'zip4j', version: '2.8.0'
compileOnly group: 'com.google.code.gson', name: 'gson', version: '2.8.7'
compileOnly group: "net.minecraft", name: "launchwrapper", version: "1.12"
testCompile group: 'junit', name: 'junit', version: '4.12'
}
jar {
manifest {
attributes([
"TweakClass": "ley.modding.tcu.UpdateTweaker",
"TweakOrder": -100000,
])
}
}
build.dependsOn shadowJar

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gradle/wrapper/gradle-wrapper.jar vendored Normal file

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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-5.2.1-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

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#!/usr/bin/env sh
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin, switch paths to Windows format before running java
if $cygwin ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=$((i+1))
done
case $i in
(0) set -- ;;
(1) set -- "$args0" ;;
(2) set -- "$args0" "$args1" ;;
(3) set -- "$args0" "$args1" "$args2" ;;
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=$(save "$@")
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
cd "$(dirname "$0")"
fi
exec "$JAVACMD" "$@"

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@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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rootProject.name = 'testcraftupdate'

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package ley.modding.tcu;
import ley.modding.tcu.model.VersionDiff;
import net.lingala.zip4j.ZipFile;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
public class FileHandler {
File gamedir;
public FileHandler(File gamedir) {
this.gamedir = gamedir;
}
private File getFile(String dir, String filename) {
return new File(gamedir.getAbsolutePath() + "/" + dir + "/" + filename);
}
private void downloadFile(String dir, String filename, URL url) throws IOException {
HttpURLConnection con = (HttpURLConnection) url.openConnection();
con.setRequestMethod("GET");
con.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.95 Safari/537.11");
BufferedInputStream in = new BufferedInputStream(con.getInputStream());
FileOutputStream out = new FileOutputStream(getFile(dir, filename));
byte[] dataBuffer = new byte[1024];
int bytesRead;
while ((bytesRead = in.read(dataBuffer, 0, 1024)) != -1) {
out.write(dataBuffer, 0, bytesRead);
}
in.close();
out.close();
}
public void processDiff(VersionDiff diff) {
for (VersionDiff.RemoveFile rem : diff.remove) {
File f = getFile(rem.dir, rem.filename);
if (f.exists()) {
boolean del = f.delete();
if (!del)
throw new RuntimeException("File deletion error");
}
}
for (VersionDiff.AddFile add : diff.add) {
try {
downloadFile(add.dir, add.filename, new URL(add.url));
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}
public void processOverrides(URL overrides) {
try {
downloadFile(".", "temp.zip", overrides);
File tmp = getFile(".", "temp.zip");
ZipFile zip = new ZipFile(tmp);
zip.extractAll(gamedir.getPath());
tmp.delete();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}

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package ley.modding.tcu;
import ley.modding.tcu.model.LocalPack;
import ley.modding.tcu.model.VersionDiff;
import net.minecraft.launchwrapper.ITweaker;
import net.minecraft.launchwrapper.LaunchClassLoader;
import java.io.File;
import java.net.URL;
import java.util.List;
public class UpdateTweaker implements ITweaker {
private List<String> args;
private File gameDir;
private File assetsDir;
private String profile;
private LaunchClassLoader classLoader;
@Override
public void acceptOptions(List<String> args, File gameDir, File assetsDir, String profile) {
this.args = args;
this.gameDir = gameDir;
this.assetsDir = assetsDir;
this.profile = profile;
if(gameDir == null) {
this.gameDir = new File(".").getAbsoluteFile();
}
}
@Override
public void injectIntoClassLoader(LaunchClassLoader classLoader) {
this.classLoader = classLoader;
try {
File modpack = new File(gameDir.getAbsolutePath() + "/modpack.json");
if (modpack.exists()) {
String[] ver = Util.checkVersion(modpack);
if (ver.length == 0)
return;
VersionDiff diff = Util.buildDiff(ver);
FileHandler handler = new FileHandler(gameDir);
handler.processDiff(diff);
URL overrides = Util.getOverrides();
if (overrides != null)
handler.processOverrides(overrides);
LocalPack pack = Util.getLocal(modpack);
pack.version = ver[ver.length - 1];
Util.writeLocal(modpack);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Override
public String getLaunchTarget() {
return "net.minecraft.client.main.Main";
}
@Override
public String[] getLaunchArguments() {
return new String[0];
}
public void callInjectedTweaker(ITweaker tweaker) {
tweaker.acceptOptions(args, gameDir, assetsDir, profile);
tweaker.injectIntoClassLoader(classLoader);
}
}

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package ley.modding.tcu;
import ley.modding.tcu.model.LocalPack;
import ley.modding.tcu.model.RemotePack;
import ley.modding.tcu.model.VersionDiff;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
public class Util {
private static RemotePack rcache = null;
private static LocalPack lcache = null;
public static RemotePack getRemote(LocalPack pack) throws IOException {
if (rcache != null)
return rcache;
URL url = new URL(pack.packURL);
HttpURLConnection con = (HttpURLConnection) url.openConnection();
con.setRequestMethod("GET");
con.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.95 Safari/537.11");
int status = con.getResponseCode();
if (status != 200) {
return null;
}
InputStreamReader r2 = new InputStreamReader(con.getInputStream());
RemotePack ret = RemotePack.fromJSON(r2);
r2.close();
rcache = ret;
return ret;
}
public static LocalPack getLocal(File local) throws IOException {
if (lcache != null)
return lcache;
Reader r = new FileReader(local);
LocalPack pack = LocalPack.fromJSON(r);
r.close();
lcache = pack;
return pack;
}
public static void writeLocal(File local) throws IOException {
Writer w = new FileWriter(local);
lcache.toJson(w);
w.close();
}
public static String[] checkVersion(File local) throws IOException {
LocalPack lpack = getLocal(local);
RemotePack rpack = getRemote(lpack);
if (rpack != null && rpack.versions.contains(lpack.version)) {
int index = rpack.versions.indexOf(lpack.version);
int lastIndex = rpack.versions.size() - 1;
if (index == lastIndex) {
return new String[0];
} else {
String[] ret = new String[lastIndex - index];
int j = 0;
for (int i = index + 1; i <= lastIndex; i++) {
ret [j] = rpack.versions.get(i);
j++;
}
return ret;
}
}
return new String[0];
}
public static VersionDiff buildDiff(String[] versions) throws IOException {
VersionDiff diff = new VersionDiff();
diff.add = new ArrayList<>();
diff.remove = new ArrayList<>();
RemotePack pack = getRemote(lcache);
for (String ver : versions) {
VersionDiff vdiff = pack.diff.get(ver);
if (vdiff != null) {
if (vdiff.remove != null) {
for (VersionDiff.RemoveFile f : vdiff.remove) {
boolean add = true;
List<VersionDiff.AddFile> toRem = new ArrayList<>();
for (VersionDiff.AddFile a : diff.add) {
if (a.dir.equals(f.dir) && a.filename.equals(f.filename)) {
add = false;
toRem.add(a);
}
}
diff.add.removeAll(toRem);
if (add)
diff.remove.add(f);
}
}
if (vdiff.add != null)
diff.add.addAll(vdiff.add);
}
}
return diff;
}
public static URL getOverrides() {
if (rcache != null && rcache.overrides != null && !rcache.overrides.isEmpty()) {
try {
return new URL(rcache.overrides);
} catch (MalformedURLException e) {
e.printStackTrace();
}
}
return null;
}
}

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package ley.modding.tcu.model;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import java.io.Reader;
import java.io.Writer;
public class LocalPack {
private static Gson gson = new GsonBuilder().create();
public static LocalPack fromJSON(Reader reader) {
return gson.fromJson(reader, LocalPack.class);
}
public void toJson(Writer writer) {
gson.toJson(this, writer);
}
public String version;
public String packURL;
}

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package ley.modding.tcu.model;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import java.io.Reader;
import java.util.List;
import java.util.Map;
public class RemotePack {
private static Gson gson = new GsonBuilder().create();
public static RemotePack fromJSON(Reader reader) {
return gson.fromJson(reader, RemotePack.class);
}
public List<String> versions;
public String overrides;
public Map<String, VersionDiff> diff;
}

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package ley.modding.tcu.model;
import java.util.List;
public class VersionDiff {
public List<RemoveFile> remove;
public List<AddFile> add;
public static class RemoveFile {
public String filename;
public String dir;
}
public static class AddFile {
public String url;
public String filename;
public String dir;
}
}