From 5982df9112b7e5fe7bcab62434771f1ca979e14d Mon Sep 17 00:00:00 2001
From: joe <joe@jerkface.net>
Date: Mon, 17 Jun 2013 13:28:07 -0400
Subject: Now determines username for session.

---
 Presence/LocalPeerCred.hs |  6 ++++--
 Presence/main.hs          | 41 ++++++++++++++++++++++++++++++++++++-----
 2 files changed, 40 insertions(+), 7 deletions(-)

(limited to 'Presence')

diff --git a/Presence/LocalPeerCred.hs b/Presence/LocalPeerCred.hs
index c58fe288..990975ee 100644
--- a/Presence/LocalPeerCred.hs
+++ b/Presence/LocalPeerCred.hs
@@ -49,9 +49,11 @@ getLocalPeerCred sock = do
     addr <- getPeerName sock
     muid <- getLocalPeerCred' addr
     case muid of
-        Just uid -> return uid
-        Nothing  -> return undefined -- trace "proc failed." $ fmap (CUid . fromIntegral . sndOf3) (getPeerCred sock)
+        Just uid -> return (Just uid)
+        Nothing  -> trace "proc failed." $ fmap (validate . CUid . fromIntegral . sndOf3) (getPeerCred sock)
                      where sndOf3 (pid,uid,gid) = uid
+ where
+    validate uid = Just uid -- TODO
 
 from16 :: Word16 -> Int
 from16 = fromEnum
diff --git a/Presence/main.hs b/Presence/main.hs
index 7a5939ff..d679fdba 100644
--- a/Presence/main.hs
+++ b/Presence/main.hs
@@ -18,6 +18,11 @@ import XMPPServer
 import Data.HList
 import Network.Socket (sClose)
 import Control.Exception
+import LocalPeerCred
+import ByteStringOperators
+import qualified Data.ByteString.Lazy.Char8 as L
+import System.Posix.User
+
 
 jid user host rsrc = user ++ "@" ++ host ++ "/" ++ rsrc
 
@@ -37,14 +42,40 @@ utmp_event e = do
     forM_ ids putStrLn
 #endif
 
-data UnixSession = UnixSession
+data UnixSession = UnixSession {
+    unix_uid :: (IORef (Maybe UserID)),
+    unix_resource :: (IORef (Maybe L.ByteString))
+}
 
 instance XMPPSession UnixSession where
     data XMPPClass UnixSession = UnixSessions
-    newSession   _ sock handle = putStrLn "SESSION: open" >> return UnixSession
-    setResource  _ resource    = putStrLn "SESSION: resource"
-    getJID       _             = putStrLn "SESSION: jid" >> return "nobody@fake.bad"
-    closeSession _             = putStrLn "SESSION: close" >> return ()
+    newSession   _ sock handle = do
+        muid <- getLocalPeerCred sock
+        putStrLn $ "SESSION: open " ++ show muid
+        uid_ref <- newIORef muid
+        res_ref <- newIORef Nothing
+        return $ UnixSession uid_ref res_ref
+    setResource  s  resource    = do
+        writeIORef (unix_resource s) (Just resource)
+        L.putStrLn $ "SESSION: resource " <++> resource
+    getJID       s             = do
+        let host = "localhost" -- TODO
+        muid <- readIORef (unix_uid s)
+        user <- maybe (return "nobody") 
+                   (\uid -> 
+                        handle (\(SomeException _) -> 
+                                return . L.append "uid." . L.pack . show $ uid)
+                          $ do
+                             user <- fmap userName $ getUserEntryForID uid
+                             return (L.pack user)
+                        )
+                   muid
+        rsc <- readIORef (unix_resource s)
+        let suf = maybe "" ("/"<++>) rsc
+            jid = user <++> "@" <++> L.pack host <++> suf
+        L.putStrLn $ "SESSION: jid " <++> jid
+        return jid
+    closeSession _             = putStrLn "SESSION: close"
 
 on_chvt vtnum = do
     putStrLn $ "changed vt to "++ show vtnum
-- 
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