| 1 | package dolda.dolcon; |
| 2 | |
| 3 | import java.util.*; |
| 4 | import dolda.dolcon.protocol.*; |
| 5 | |
| 6 | public class Session { |
| 7 | private Connection conn; |
| 8 | |
| 9 | public Session(String aspec, String username, List<Authenticator> auth) throws AuthException, ProtocolException, InterruptedException { |
| 10 | conn = new Connection(aspec); |
| 11 | conn.expectVersion(2); |
| 12 | try { |
| 13 | conn.syncConnect(); |
| 14 | } catch(ConnectException e) { |
| 15 | throw(new ProtocolException(e)); |
| 16 | } |
| 17 | authenticate(username, auth); |
| 18 | } |
| 19 | |
| 20 | public Session(String aspec, String username, Authenticator... auth) throws AuthException, ProtocolException, InterruptedException { |
| 21 | this(aspec, username, Arrays.asList(auth)); |
| 22 | } |
| 23 | |
| 24 | private void authenticate(String username, List<Authenticator> auth) throws AuthException, ProtocolException, InterruptedException { |
| 25 | Response resp; |
| 26 | |
| 27 | try { |
| 28 | resp = ResponseException.check(conn.ecmd("lsauth"), 200); |
| 29 | List<String> mechs = new LinkedList<String>(); |
| 30 | for(List<String> mech : resp.lines) |
| 31 | mechs.add(mech.get(0).intern()); |
| 32 | String use = null; |
| 33 | Authenticator au = null; |
| 34 | for(Authenticator a : auth) { |
| 35 | System.out.println(a); |
| 36 | use = a.handles(mechs); |
| 37 | if(use != null) { |
| 38 | au = a; |
| 39 | break; |
| 40 | } |
| 41 | } |
| 42 | if(use == null) |
| 43 | throw(new NoMechException()); |
| 44 | resp = conn.ecmd("login", use, username); |
| 45 | while(true) { |
| 46 | if(resp.code == 200) { |
| 47 | return; |
| 48 | } else if((resp.code / 100) == 3) { |
| 49 | resp = conn.ecmd(au.step(resp)); |
| 50 | } else if((resp.code / 100) == 5) { |
| 51 | throw(new AuthException(resp.token(0, 0))); |
| 52 | } else { |
| 53 | throw(new ResponseException(resp, 0)); |
| 54 | } |
| 55 | } |
| 56 | } catch(ClosedException e) { |
| 57 | throw(new ProtocolException(e)); |
| 58 | } |
| 59 | } |
| 60 | } |