Examples with SocketPermission java.net.SocketPermission used on opensource projects

Example 36 with SocketPermission

use of java.net.SocketPermission in project lwjgl by LWJGL.

the class AppletLoader method updateClassPath.

/**
	 * Edits the ClassPath at runtime to include the jars
	 * that have just been downloaded and then adds the
	 * lwjgl natives folder property.
	 *
	 * @param path location where applet is stored
	 * @throws Exception if it fails to add classpath
	 */
protected void updateClassPath(final String path) throws Exception {
    setState(STATE_UPDATING_CLASSPATH);
    percentage = 95;
    URL[] urls = new URL[urlList.length];
    for (int i = 0; i < urlList.length; i++) {
        String file = new File(path, getJarName(urlList[i])).toURI().toString();
        // fix JVM bug where ! is not escaped
        file = file.replace("!", "%21");
        urls[i] = new URL(file);
    }
    // get AppletLoader certificates
    final Certificate[] certs = getCurrentCertificates();
    // detect if we are running on a mac and save result as boolean
    String osName = System.getProperty("os.name");
    final boolean isMacOS = (osName.startsWith("Mac") || osName.startsWith("Darwin"));
    // add downloaded jars to the classpath with required permissions
    classLoader = new URLClassLoader(urls) {

        protected PermissionCollection getPermissions(CodeSource codesource) {
            PermissionCollection perms = null;
            try {
                // no permissions
                perms = new Permissions();
                // if certificates match the AppletLoader certificates then we should be all set
                if (certificatesMatch(certs, codesource.getCertificates())) {
                    perms.add(new AllPermission());
                    return perms;
                }
                String host = getCodeBase().getHost();
                if (host != null && (host.length() > 0)) {
                    // add permission for downloaded jars to access host they were from
                    perms.add(new SocketPermission(host, "connect,accept"));
                } else if ("file".equals(codesource.getLocation().getProtocol())) {
                    // if running locally add file permission
                    String path = codesource.getLocation().getFile().replace('/', File.separatorChar);
                    perms.add(new FilePermission(path, "read"));
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
            return perms;
        }

        // allow non lwjgl native to be found from cache directory
        protected String findLibrary(String libname) {
            String libPath = path + "natives" + File.separator + LWJGLUtil.mapLibraryName(libname);
            if (new File(libPath).exists()) {
                return libPath;
            }
            return super.findLibrary(libname);
        }
    };
    debug_sleep(2000);
    // unload natives loaded by a previous instance of this lwjgl applet
    unloadNatives(path);
    // add natives files path to native class path
    System.setProperty("org.lwjgl.librarypath", path + "natives");
    // Make sure jinput knows about the new path too
    System.setProperty("net.java.games.input.librarypath", path + "natives");
    // set the library path, useful for non lwjgl natives
    System.setProperty("java.library.path", path + "natives");
    // mark natives as loaded
    natives_loaded = true;
}

Example 37 with SocketPermission

use of java.net.SocketPermission in project jdk8u_jdk by JetBrains.

the class MailToURLConnection method getPermission.

@Override
public Permission getPermission() throws IOException {
    if (permission == null) {
        connect();
        String host = client.getMailHost() + ":" + 25;
        permission = new SocketPermission(host, "connect");
    }
    return permission;
}

Example 38 with SocketPermission

use of java.net.SocketPermission in project jdk8u_jdk by JetBrains.

the class MyBasicPermission method trySockPC.

static void trySockPC() throws Exception {
    try {
        SocketPermission p0 = new SocketPermission("example.com", "connect");
        PermissionCollection pc = p0.newPermissionCollection();
        // this should lock out future adds
        pc.setReadOnly();
        //
        SocketPermission p1 = new SocketPermission("example.net", "connect");
        pc.add(p1);
        throw new Exception("Failed...SocketPermission added to readonly SocketPermissionCollection.");
    } catch (SecurityException se) {
        System.out.println("SocketPermissionCollection passed");
    }
}

Example 39 with SocketPermission

use of java.net.SocketPermission in project jdk8u_jdk by JetBrains.

the class EmptyInputStream method followRedirect.

/* Tells us whether to follow a redirect.  If so, it
     * closes the connection (break any keep-alive) and
     * resets the url, re-connects, and resets the request
     * property.
     */
private boolean followRedirect() throws IOException {
    if (!getInstanceFollowRedirects()) {
        return false;
    }
    final int stat = getResponseCode();
    if (stat < 300 || stat > 307 || stat == 306 || stat == HTTP_NOT_MODIFIED) {
        return false;
    }
    final String loc = getHeaderField("Location");
    if (loc == null) {
        /* this should be present - if not, we have no choice
             * but to go forward w/ the response we got
             */
        return false;
    }
    URL locUrl;
    try {
        locUrl = new URL(loc);
        if (!url.getProtocol().equalsIgnoreCase(locUrl.getProtocol())) {
            return false;
        }
    } catch (MalformedURLException mue) {
        // treat loc as a relative URI to conform to popular browsers
        locUrl = new URL(url, loc);
    }
    final URL locUrl0 = locUrl;
    // force recalculation
    socketPermission = null;
    SocketPermission p = URLtoSocketPermission(locUrl);
    if (p != null) {
        try {
            return AccessController.doPrivilegedWithCombiner(new PrivilegedExceptionAction<Boolean>() {

                public Boolean run() throws IOException {
                    return followRedirect0(loc, stat, locUrl0);
                }
            }, null, p);
        } catch (PrivilegedActionException e) {
            throw (IOException) e.getException();
        }
    } else {
        // run without additional permission
        return followRedirect0(loc, stat, locUrl);
    }
}

Example 40 with SocketPermission

use of java.net.SocketPermission in project jdk8u_jdk by JetBrains.

the class FtpURLConnection method getPermission.

/**
     * Gets the <code>Permission</code> associated with the host & port.
     *
     * @return  The <code>Permission</code> object.
     */
@Override
public Permission getPermission() {
    if (permission == null) {
        int urlport = url.getPort();
        urlport = urlport < 0 ? FtpClient.defaultPort() : urlport;
        String urlhost = this.host + ":" + urlport;
        permission = new SocketPermission(urlhost, "connect");
    }
    return permission;
}