/**
* Checks that there are enough security permissions to make popup "always on top", which allows
* to show it above the task bar.
*/
static boolean canPopupOverlapTaskBar() {
boolean result = true;
try {
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(SecurityConstants.AWT.SET_WINDOW_ALWAYS_ON_TOP_PERMISSION);
}
} catch (SecurityException se) {
// There is no permission to show popups over the task bar
result = false;
}
return result;
}
public static boolean checkSecurity() {
SecurityManager security = System.getSecurityManager();
if (security != null) {
try {
security.checkPropertyAccess("user.dir");
security.checkPropertyAccess("file.separator");
} catch (SecurityException e) {
System.out.println("SecurityManager restricts session recording.");
return false;
}
}
return true;
}
public void checkPermission(Permission p) {
// liveconnect SocketPermission resolve takes
// FOREVER (like 6 seconds) in Safari
// Java does like 50 of these on the first JS call
// 6*50=300 seconds!
// Opera freaks out though if we deny resolve
if (isActive
&& !isOpera
&& java.net.SocketPermission.class.isInstance(p)
&& p.getActions().matches(".*resolve.*")) {
throw new SecurityException(
"DOH: liveconnect resolve locks up Safari. Denying resolve request.");
} else {
oldsecurity.checkPermission(p);
}
}
public boolean checkTopLevelWindow(Object window) {
// If our users temporarily accept our cert for a session,
// then use the same session to browse to a malicious website also using our applet,
// that website can automatically execute the applet.
// To resolve this issue, RobotSecurityManager overrides checkTopLevelWindow
// to check the JVM to see if there are other instances of the applet running on different
// domains.
// If there are, it prompts the user to confirm that they want to run the applet before
// continuing.
// null is not supposed to be allowed
// so we allow it to distinguish our security manager.
if (window == null) {
isActive = !isActive;
log("Active is now " + isActive);
}
return window == null ? true : oldsecurity.checkTopLevelWindow(window);
}
public void append(String text) {
WordCheckPermission p = new WordCheckPermission(text, "insert");
SecurityManager manager = System.getSecurityManager();
if (manager != null) manager.checkPermission(p);
super.append(text);
}