/* this code is workaround for subtle bug/feature in JDK1.3.1 and 1.4,
related to loading applets behind proxy */
protected PermissionCollection getPermissions(CodeSource codesource) {
PermissionCollection sysPerms = null;
Policy policy =
(Policy)
AccessController.doPrivileged(
new PrivilegedAction() {
public Object run() {
return Policy.getPolicy();
}
});
if (policy != null) sysPerms = policy.getPermissions(new CodeSource(null, null));
else sysPerms = new Permissions();
final PermissionCollection perms = sysPerms;
if (base != null && base.getHost() != null)
perms.add(new SocketPermission(base.getHost() + ":1-", "accept,connect,resolve"));
URL url = codesource.getLocation();
if (url.getProtocol().equals("file")) {
String path = url.getFile().replace('/', File.separatorChar);
if (!path.endsWith(File.separator)) {
int endIndex = path.lastIndexOf(File.separatorChar);
if (endIndex != -1) {
path = path.substring(0, endIndex + 1) + "-";
perms.add(new FilePermission(path, "read"));
}
}
perms.add(new SocketPermission("localhost", "connect,accept"));
AccessController.doPrivileged(
new PrivilegedAction() {
public Object run() {
try {
String host = InetAddress.getLocalHost().getHostName();
perms.add(new SocketPermission(host, "connect,accept"));
} catch (UnknownHostException uhe) {
}
return null;
}
});
if (base.getProtocol().equals("file")) {
String bpath = base.getFile().replace('/', File.separatorChar);
if (bpath.endsWith(File.separator)) {
bpath += "-";
}
perms.add(new FilePermission(bpath, "read"));
}
}
// for (Enumeration e=perms.elements();e.hasMoreElements();)
// System.err.println("p="+e.nextElement());
return perms;
}
