Examples with CodeSource java.security.CodeSource used on opensource projects

Example 36 with CodeSource

use of java.security.CodeSource in project streamsx.topology by IBMStreams.

the class DependencyResolver method addClassDependency.

public void addClassDependency(Class<?> clazz) {
    CodeSource source = clazz.getProtectionDomain().getCodeSource();
    if (source == null)
        return;
    Path absolutePath = null;
    try {
        absolutePath = Paths.get(source.getLocation().toURI()).toAbsolutePath();
    } catch (URISyntaxException e) {
        e.printStackTrace();
    }
    globalDependencies.add(absolutePath);
}

Example 37 with CodeSource

use of java.security.CodeSource in project jdk8u_jdk by JetBrains.

the class FactoryURLClassLoader method defineClass.

/*
     * Defines a Class using the class bytes obtained from the specified
     * Resource. The resulting Class must be resolved before it can be
     * used.
     */
private Class<?> defineClass(String name, Resource res) throws IOException {
    long t0 = System.nanoTime();
    int i = name.lastIndexOf('.');
    URL url = res.getCodeSourceURL();
    if (i != -1) {
        String pkgname = name.substring(0, i);
        // Check if package already loaded.
        Manifest man = res.getManifest();
        definePackageInternal(pkgname, man, url);
    }
    // Now read the class bytes and define the class
    java.nio.ByteBuffer bb = res.getByteBuffer();
    if (bb != null) {
        // Use (direct) ByteBuffer:
        CodeSigner[] signers = res.getCodeSigners();
        CodeSource cs = new CodeSource(url, signers);
        sun.misc.PerfCounter.getReadClassBytesTime().addElapsedTimeFrom(t0);
        return defineClass(name, bb, cs);
    } else {
        byte[] b = res.getBytes();
        // must read certificates AFTER reading bytes.
        CodeSigner[] signers = res.getCodeSigners();
        CodeSource cs = new CodeSource(url, signers);
        sun.misc.PerfCounter.getReadClassBytesTime().addElapsedTimeFrom(t0);
        return defineClass(name, b, 0, b.length, cs);
    }
}

Example 38 with CodeSource

use of java.security.CodeSource in project jdk8u_jdk by JetBrains.

the class MethodUtil method defineClass.

/*
     * Define the proxy classes
     */
private Class<?> defineClass(String name, URL url) throws IOException {
    byte[] b = getBytes(url);
    CodeSource cs = new CodeSource(null, (java.security.cert.Certificate[]) null);
    if (!name.equals(TRAMPOLINE)) {
        throw new IOException("MethodUtil: bad name " + name);
    }
    return defineClass(name, b, 0, b.length, cs);
}

Example 39 with CodeSource

use of java.security.CodeSource in project jdk8u_jdk by JetBrains.

the class LoaderHandler method getLoaderAccessControlContext.

/**
     * Return the access control context that a loader for the given
     * codebase URL path should execute with.
     */
private static AccessControlContext getLoaderAccessControlContext(URL[] urls) {
    /*
         * The approach used here is taken from the similar method
         * getAccessControlContext() in the sun.applet.AppletPanel class.
         */
    // begin with permissions granted to all code in current policy
    PermissionCollection perms = java.security.AccessController.doPrivileged(new java.security.PrivilegedAction<PermissionCollection>() {

        public PermissionCollection run() {
            CodeSource codesource = new CodeSource(null, (java.security.cert.Certificate[]) null);
            Policy p = java.security.Policy.getPolicy();
            if (p != null) {
                return p.getPermissions(codesource);
            } else {
                return new Permissions();
            }
        }
    });
    // createClassLoader permission needed to create loader in context
    perms.add(new RuntimePermission("createClassLoader"));
    // add permissions to read any "java.*" property
    perms.add(new java.util.PropertyPermission("java.*", "read"));
    // add permissions reuiqred to load from codebase URL path
    addPermissionsForURLs(urls, perms, true);
    /*
         * Create an AccessControlContext that consists of a single
         * protection domain with only the permissions calculated above.
         */
    ProtectionDomain pd = new ProtectionDomain(new CodeSource((urls.length > 0 ? urls[0] : null), (java.security.cert.Certificate[]) null), perms);
    return new AccessControlContext(new ProtectionDomain[] { pd });
}

Example 40 with CodeSource

use of java.security.CodeSource in project JMRI by JMRI.

the class FileUtilSupport method getJmriJarFile.

/**
     * Get the JMRI distribution jar file.
     *
     * @return the JAR file containing the JMRI library or null if not running
     *         from a JAR file
     */
public JarFile getJmriJarFile() {
    if (jarPath == null) {
        CodeSource sc = FileUtilSupport.class.getProtectionDomain().getCodeSource();
        if (sc != null) {
            jarPath = sc.getLocation().toString();
            if (jarPath.startsWith("jar:file:")) {
                // 9 = length of jar:file:
                jarPath = jarPath.substring(9, jarPath.lastIndexOf("!"));
            } else {
                log.info("Running from classes not in jar file.");
                // set to empty String to bypass search
                jarPath = "";
                return null;
            }
            log.debug("jmri.jar path is {}", jarPath);
        }
        if (jarPath == null) {
            log.error("Unable to locate jmri.jar");
            // set to empty String to bypass search
            jarPath = "";
            return null;
        }
    }
    if (!jarPath.isEmpty()) {
        try {
            return new JarFile(jarPath);
        } catch (IOException ex) {
            log.error("Unable to open jmri.jar", ex);
            return null;
        }
    }
    return null;
}