aejarsigner2.java

java 文件下载器。可自定义

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   AEJarSigner2.java

package org.gudy.azureus2.core3.util.jar;

import java.io.*;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;
import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.logging.LogAlert;
import org.gudy.azureus2.core3.logging.Logger;
import org.gudy.azureus2.core3.util.*;

public class AEJarSigner2
{

	protected static Class JarSigner_class;
	protected String keystore_name;
	protected String keystore_password;
	protected String alias;

	public AEJarSigner2(String _alias, String _keystore_name, String _keystore_password)
	{
		alias = _alias;
		keystore_name = _keystore_name;
		keystore_password = _keystore_password;
	}

	protected void loadJarSigner()
		throws IOException
	{
		String manual_tools_dir = COConfigurationManager.getStringParameter("Security.JAR.tools.dir");
		File tools_dir;
		if (manual_tools_dir.length() == 0)
		{
			String java_home = System.getProperty("java.home");
			File jh = new File(java_home);
			if (jh.getName().equalsIgnoreCase("jre"))
			{
				jh = jh.getParentFile();
			} else
			{
				String dir_name = jh.getName();
				if (dir_name.startsWith("jre"))
				{
					dir_name = (new StringBuilder()).append("jdk").append(dir_name.substring(3)).toString();
					jh = new File(jh.getParentFile(), dir_name);
				}
			}
			tools_dir = new File(jh, "lib");
		} else
		{
			tools_dir = new File(manual_tools_dir);
		}
		File tools_jar = new File(tools_dir, "tools.jar");
		if (tools_jar.exists())
		{
			try
			{
				ClassLoader cl = new URLClassLoader(new URL[] {
					tools_jar.toURL()
				}, org/gudy/azureus2/core3/util/jar/AEJarSigner2.getClassLoader());
				JarSigner_class = cl.loadClass("sun.security.tools.JarSigner");
			}
			catch (Throwable e)
			{
				Logger.logTextResource(new LogAlert(false, 3, "Security.jar.signfail"), new String[] {
					e.getMessage()
				});
				Debug.printStackTrace(e);
				throw new IOException((new StringBuilder()).append("JAR signing fails: ").append(e.getMessage()).toString());
			}
		} else
		{
			Logger.logTextResource(new LogAlert(false, 3, "Security.jar.tools_not_found"), new String[] {
				tools_dir.toString()
			});
			throw new IOException("JAR signing fails: tools.jar not found");
		}
	}

	protected void signJarFile(File input_file)
		throws IOException
	{
		PrintStream old_err;
		PrintStream old_out;
		String failure_msg;
		if (JarSigner_class == null)
			loadJarSigner();
		old_err = null;
		old_out = null;
		failure_msg = null;
		Object jar_signer = JarSigner_class.newInstance();
		String args[] = {
			"-keystore", keystore_name, "-storepass", keystore_password, input_file.toString(), alias
		};
		old_err = System.err;
		old_out = System.out;
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		PrintStream ps = new PrintStream(baos);
		System.setErr(ps);
		System.setOut(ps);
		try
		{
			JarSigner_class.getMethod("run", new Class[] {
				[Ljava/lang/String;
			}).invoke(jar_signer, new Object[] {
				args
			});
		}
		catch (Throwable e)
		{
			ps.close();
			String err_msg = baos.toString();
			if (err_msg.length() > 0)
			{
				failure_msg = err_msg;
			} else
			{
				Debug.printStackTrace(e);
				failure_msg = e.getMessage();
			}
		}
		if (old_err != null)
		{
			System.setErr(old_err);
			System.setOut(old_out);
		}
		break MISSING_BLOCK_LABEL_246;
		Throwable e;
		e;
		Debug.printStackTrace(e);
		failure_msg = e.getMessage();
		if (old_err != null)
		{
			System.setErr(old_err);
			System.setOut(old_out);
		}
		break MISSING_BLOCK_LABEL_246;
		Exception exception;
		exception;
		if (old_err != null)
		{
			System.setErr(old_err);
			System.setOut(old_out);
		}
		throw exception;
		if (failure_msg != null)
		{
			Debug.out((new StringBuilder()).append("JAR signing fails '").append(failure_msg).append("'").toString());
			Logger.logTextResource(new LogAlert(false, 3, "Security.jar.signfail"), new String[] {
				failure_msg
			});
			throw new IOException((new StringBuilder()).append("JAR signing fails: ").append(failure_msg).toString());
		} else
		{
			return;
		}
	}

	public void signJarFile(File file, OutputStream os)
		throws IOException
	{
		FileInputStream fis;
		signJarFile(file);
		fis = null;
		fis = new FileInputStream(file);
		FileUtil.copyFile(file, os, false);
		try
		{
			if (fis != null)
				fis.close();
		}
		catch (Throwable e)
		{
			Debug.printStackTrace(e);
		}
		break MISSING_BLOCK_LABEL_67;
		Exception exception;
		exception;
		try
		{
			if (fis != null)
				fis.close();
		}
		catch (Throwable e)
		{
			Debug.printStackTrace(e);
		}
		throw exception;
	}

	public void signJarStream(InputStream is, OutputStream os)
		throws IOException
	{
		File temp_file;
		FileOutputStream fos;
		temp_file = AETemporaryFileHandler.createTempFile();
		fos = null;
		byte buffer[] = new byte[8192];
		fos = new FileOutputStream(temp_file);
		do
		{
			int len = is.read(buffer);
			if (len <= 0)
				break;
			fos.write(buffer, 0, len);
		} while (true);
		fos.close();
		fos = null;
		signJarFile(temp_file, os);
		try
		{
			is.close();
		}
		catch (Throwable e)
		{
			Debug.printStackTrace(e);
		}
		if (fos != null)
			try
			{
				fos.close();
			}
			catch (Throwable e)
			{
				Debug.printStackTrace(e);
			}
		temp_file.delete();
		break MISSING_BLOCK_LABEL_153;
		Exception exception;
		exception;
		try
		{
			is.close();
		}
		catch (Throwable e)
		{
			Debug.printStackTrace(e);
		}
		if (fos != null)
			try
			{
				fos.close();
			}
			catch (Throwable e)
			{
				Debug.printStackTrace(e);
			}
		temp_file.delete();
		throw exception;
	}
}