minecraft-launcher-by-anjocaido/decompiled/net/minecraft/MinecraftUtil.java

/*
 * Decompiled with CFR 0.152.
 */
package net.minecraft;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.logging.Level;
import java.util.logging.Logger;

public class MinecraftUtil {
    private static File workDir = null;
    private static File binDir = null;
    private static File resourcesDis = null;
    private static File optionsFile = null;
    private static File lastloginFile = null;
    private static File savesDir = null;
    private static File tempFolder = null;
    private static File nativesFolder = null;

    public static File getWorkingDirectory() {
        if (workDir == null) {
            workDir = MinecraftUtil.getWorkingDirectory("minecraft");
        }
        return workDir;
    }

    public static File getBinFolder() {
        if (binDir == null) {
            binDir = new File(MinecraftUtil.getWorkingDirectory(), "bin");
        }
        return binDir;
    }

    public static File getResourcesFolder() {
        if (resourcesDis == null) {
            resourcesDis = new File(MinecraftUtil.getWorkingDirectory(), "resources");
        }
        return resourcesDis;
    }

    public static File getOptionsFile() {
        if (optionsFile == null) {
            optionsFile = new File(MinecraftUtil.getWorkingDirectory(), "options.txt");
        }
        return optionsFile;
    }

    public static File getLoginFile() {
        if (lastloginFile == null) {
            lastloginFile = new File(MinecraftUtil.getWorkingDirectory(), "lastlogin");
        }
        return lastloginFile;
    }

    public static File getSavesFolder() {
        if (savesDir == null) {
            savesDir = new File(MinecraftUtil.getWorkingDirectory(), "saves");
        }
        return savesDir;
    }

    public static File getNativesFolder() {
        if (nativesFolder == null) {
            nativesFolder = new File(MinecraftUtil.getBinFolder(), "natives");
        }
        return nativesFolder;
    }

    public static File getTempFolder() {
        if (tempFolder == null) {
            tempFolder = new File(System.getProperties().getProperty("java.io.tmpdir"), "MCBKPMNGR");
        }
        if (!tempFolder.exists()) {
            tempFolder.mkdirs();
        }
        return tempFolder;
    }

    public static File getWorkingDirectory(String applicationName) {
        File workingDirectory;
        String userHome = System.getProperty("user.home", ".");
        switch (MinecraftUtil.getPlatform().ordinal()) {
            case 0: 
            case 1: {
                workingDirectory = new File(userHome, '.' + applicationName + '/');
                break;
            }
            case 2: {
                String applicationData = System.getenv("APPDATA");
                if (applicationData != null) {
                    workingDirectory = new File(applicationData, "." + applicationName + '/');
                    break;
                }
                workingDirectory = new File(userHome, '.' + applicationName + '/');
                break;
            }
            case 3: {
                workingDirectory = new File(userHome, "Library/Application Support/" + applicationName);
                break;
            }
            default: {
                workingDirectory = new File(userHome, applicationName + '/');
            }
        }
        if (!workingDirectory.exists() && !workingDirectory.mkdirs()) {
            throw new RuntimeException("The working directory could not be created: " + workingDirectory);
        }
        return workingDirectory;
    }

    private static OS getPlatform() {
        String osName = System.getProperty("os.name").toLowerCase();
        if (osName.contains("win")) {
            return OS.windows;
        }
        if (osName.contains("mac")) {
            return OS.macos;
        }
        if (osName.contains("solaris")) {
            return OS.solaris;
        }
        if (osName.contains("sunos")) {
            return OS.solaris;
        }
        if (osName.contains("linux")) {
            return OS.linux;
        }
        if (osName.contains("unix")) {
            return OS.linux;
        }
        return OS.unknown;
    }

    /*
     * WARNING - Removed try catching itself - possible behaviour change.
     */
    public static String excutePost(String targetURL, String urlParameters) {
        HttpURLConnection connection = null;
        try {
            String str1;
            String line;
            URL url = new URL(targetURL);
            connection = (HttpURLConnection)url.openConnection();
            connection.setRequestMethod("POST");
            connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            connection.setRequestProperty("Content-Length", Integer.toString(urlParameters.getBytes().length));
            connection.setRequestProperty("Content-Language", "en-US");
            connection.setUseCaches(false);
            connection.setDoInput(true);
            connection.setDoOutput(true);
            DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
            wr.writeBytes(urlParameters);
            wr.flush();
            wr.close();
            InputStream is = connection.getInputStream();
            BufferedReader rd = new BufferedReader(new InputStreamReader(is));
            StringBuffer response = new StringBuffer();
            while ((line = rd.readLine()) != null) {
                response.append(line);
                response.append('\r');
            }
            rd.close();
            String string = str1 = response.toString();
            return string;
        }
        catch (Exception e) {
            e.printStackTrace();
            String string = null;
            return string;
        }
        finally {
            if (connection != null) {
                connection.disconnect();
            }
        }
    }

    /*
     * WARNING - Removed try catching itself - possible behaviour change.
     */
    public static void resetVersion() {
        FilterOutputStream dos = null;
        try {
            File dir = new File(MinecraftUtil.getWorkingDirectory() + File.separator + "bin" + File.separator);
            File versionFile = new File(dir, "version");
            dos = new DataOutputStream(new FileOutputStream(versionFile));
            ((DataOutputStream)dos).writeUTF("0");
            dos.close();
        }
        catch (FileNotFoundException ex) {
            Logger.getLogger(MinecraftUtil.class.getName()).log(Level.SEVERE, null, ex);
        }
        catch (IOException ex) {
            Logger.getLogger(MinecraftUtil.class.getName()).log(Level.SEVERE, null, ex);
        }
        finally {
            try {
                dos.close();
            }
            catch (IOException ex) {
                Logger.getLogger(MinecraftUtil.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }

    public static String getFakeLatestVersion() {
        try {
            File dir = new File(MinecraftUtil.getWorkingDirectory() + File.separator + "bin" + File.separator);
            File file = new File(dir, "version");
            DataInputStream dis = new DataInputStream(new FileInputStream(file));
            String version = dis.readUTF();
            dis.close();
            if (version.equals("0")) {
                return "1285241960000";
            }
            return version;
        }
        catch (IOException ex) {
            return "1285241960000";
        }
    }

    /*
     * This class specifies class file version 49.0 but uses Java 6 signatures.  Assumed Java 6.
     */
    private static enum OS {
        linux,
        solaris,
        windows,
        macos,
        unknown;

    }
}