com.dexels.navajo.tipi.dev.server.appmanager.impl.UnsignJarTask.java Source code

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Here is the source code for com.dexels.navajo.tipi.dev.server.appmanager.impl.UnsignJarTask.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.dexels.navajo.tipi.dev.server.appmanager.impl;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.io.FileUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.dexels.navajo.tipi.dev.core.projectbuilder.Dependency;
import com.dexels.navajo.tipi.dev.core.util.zip.ZipUtils;

public class UnsignJarTask {

    private final static Logger logger = LoggerFactory.getLogger(UnsignJarTask.class);

    public static void downloadDepencency(Dependency d, File repoDir, File destinationFolder,
            List<String> extraHeaders) throws IOException {
        String assembledName = d.getFileNameWithVersion();
        String tmpAssembledFile = "tmp_" + assembledName;
        String tmpAssembled = d.getArtifactId() + "_" + d.getVersion();
        File dest = new File(destinationFolder, tmpAssembledFile);
        FileOutputStream fos = new FileOutputStream(dest);
        File ff = d.getFilePathForDependency(repoDir);
        File parent = ff.getParentFile();
        if (!parent.exists()) {
            parent.mkdirs();
        }
        logger.info("Downloading: " + ff.getAbsolutePath());
        ZipUtils.copyResource(fos, d.getUrl().openStream());
        File tmpDir = new File(destinationFolder, tmpAssembled);
        tmpDir.mkdirs();
        ZipUtils.unzip(dest, tmpDir);
        cleanSigningData(tmpDir, extraHeaders);
        File destinationZip = new File(destinationFolder, assembledName);
        ZipUtils.zipAll(tmpDir, destinationZip);
        FileUtils.copyFileToDirectory(destinationZip, parent);
        FileUtils.deleteDirectory(tmpDir);
        dest.delete();
    }

    private static void cleanSigningData(File tmpDir, List<String> extraHeaders) throws IOException {
        File metainf = new File(tmpDir, "META-INF");
        if (!metainf.exists()) {
            logger.warn("No META-INF. Odd.");
            return;
        }
        File[] list = metainf.listFiles();
        File manifest = null;
        for (File file : list) {
            if (file.getName().toUpperCase().endsWith(".SF")) {
                file.delete();
            }
            if (file.getName().toUpperCase().endsWith(".RSA")) {
                file.delete();
            }
            if (file.getName().equals("MANIFEST.MF")) {
                manifest = file;
            }
        }
        File tmpManifest = new File(metainf, "TMPMANIFEST.MF");
        FileUtils.moveFile(manifest, tmpManifest);
        if (manifest != null) {
            logger.info(
                    "Moving file from: " + manifest.getAbsolutePath() + " to: " + tmpManifest.getAbsolutePath());
            cleanManifest(tmpManifest, manifest, extraHeaders);
        }
        tmpManifest.delete();
    }

    private static void cleanManifest(File manifest, File outputManifest, List<String> extraHeaders)
            throws IOException {

        BufferedReader fr = null;
        List<StringBuffer> manifestheaders;
        try {
            fr = new BufferedReader(new FileReader(manifest));
            String line = null;
            manifestheaders = new ArrayList<StringBuffer>();
            StringBuffer current = null;
            do {
                line = fr.readLine();
                if (line == null) {
                    continue;
                }
                if (line.startsWith(" ")) {
                    current.append(line);
                    current.append("\n");
                } else {
                    if (current != null) {
                        manifestheaders.add(current);
                    }
                    current = new StringBuffer();
                    current.append(line.trim());
                    current.append("\n");
                }
            } while (line != null);
        } finally {
            if (fr != null) {
                try {
                    fr.close();
                } catch (Exception e) {
                }
            }
        }
        BufferedWriter fw = null;
        try {
            fw = new BufferedWriter(new FileWriter(outputManifest));
            List<StringBuffer> output = new ArrayList<StringBuffer>();

            for (StringBuffer header : manifestheaders) {
                if (checkLine(header.toString())) {
                    output.add(header);
                    fw.write(header.toString());
                }
            }
            for (String header : extraHeaders) {
                fw.write(header + "\n");
            }
        } finally {
            if (fw != null) {
                try {
                    fw.close();
                } catch (Exception e) {
                }
            }
        }

    }

    private static boolean checkLine(String line) {
        if (line == null) {
            return false;
        }
        if (line.indexOf('\r') != -1) {
            logger.info("Found CR!");
        }
        if (line.trim().equals("")) {
            return false;
        }
        if (line.trim().startsWith("SHA1-")) {
            return false;
        }
        if (line.trim().startsWith("SHA-")) {
            return false;
        }
        if (line.trim().startsWith("MD5-Digest")) {
            return false;
        }

        if (line.startsWith("Name: ")) {
            return false;
        }
        if (line.startsWith("Java-Bean:")) {
            return false;
        }

        return true;
    }

}