1 package org
.argeo
.osgi
.useradmin
;
3 import java
.net
.URISyntaxException
;
5 import java
.security
.NoSuchAlgorithmException
;
6 import java
.security
.URIParameter
;
8 import javax
.security
.auth
.Subject
;
9 import javax
.security
.auth
.login
.Configuration
;
10 import javax
.security
.auth
.login
.LoginContext
;
11 import javax
.security
.auth
.login
.LoginException
;
13 public class OsUserUtils
{
14 private static String LOGIN_CONTEXT_USER_NIX
= "USER_NIX";
15 private static String LOGIN_CONTEXT_USER_NT
= "USER_NT";
17 public static String
getOsUsername() {
18 return System
.getProperty("user.name");
21 public static LoginContext
loginAsSystemUser(Subject subject
) {
23 URL jaasConfigurationUrl
= OsUserUtils
.class.getClassLoader()
24 .getResource("org/argeo/osgi/useradmin/jaas-os.cfg");
25 URIParameter uriParameter
= new URIParameter(jaasConfigurationUrl
.toURI());
26 Configuration jaasConfiguration
= Configuration
.getInstance("JavaLoginConfig", uriParameter
);
27 LoginContext lc
= new LoginContext(isWindows() ? LOGIN_CONTEXT_USER_NT
: LOGIN_CONTEXT_USER_NIX
, subject
,
28 null, jaasConfiguration
);
31 } catch (URISyntaxException
| NoSuchAlgorithmException
| LoginException e
) {
32 throw new RuntimeException("Cannot login as system user", e
);
36 public static void main(String args
[]) {
37 Subject subject
= new Subject();
38 LoginContext loginContext
= loginAsSystemUser(subject
);
39 System
.out
.println(subject
);
41 loginContext
.logout();
42 } catch (LoginException e
) {
47 private static boolean isWindows() {
48 return System
.getProperty("os.name").startsWith("Windows");
51 private OsUserUtils() {