version 0.2

ChangeLog.md

@@ -1,6 +1,12 @@
 # Changelog for passman
 
-## Unreleased changes
+## 0.2
+
+- implemented manual saving
+- added a warning when changing master password
+- some code cleanup as suggested by [Stephen Paul Weber](https://github.com/singpolyma)
+
+## 0.1.1
 
 - corrected a bug that was causing the pwGenerate function to hang occasionally.
   - this may cause some passwords to be generated differently

app/UI.hs

@@ -63,6 +63,7 @@ mainMenu =
     [ ( "add a password",         addPassword      )
     , ( "view/edit a password",   viewEditMenu     )
     , ( "change master password", changeMasterPass )
+    , ( "save manually",          save >> mainMenu )
     , ( "lock session",           lockSession      )
     , ( "quit",                   quit             )
     ]
@@ -93,9 +94,13 @@ viewEditMenu = menu "View/Edit Password"
 
 changeMasterPass :: S.StateT Status IO ()
 changeMasterPass = do
+  req (confirm $
+    "\nWARNING: Changing your master password will change all of your saved passwords.\n" ++
+    "Are you sure you would like to proceed?") >>= flip when
+    (do
       oldP <- S.gets $ view masterPass
       newP <- req $ reqDefault getMasterPass oldP
-  S.modify $ set masterPass newP
+      S.modify $ set masterPass newP)
   mainMenu
 
 lockSession :: S.StateT Status IO ()

package.yaml

@@ -1,5 +1,5 @@
 name:                passman
-version:             0.1.1
+version:             0.2
 github:              "jlamothe/passman"
 license:             LGPL-3
 author:              "Jonathan Lamothe"
@@ -30,6 +30,7 @@ dependencies:
 library:
   source-dirs: src
   dependencies:
+  - base16-bytestring
   - base64-bytestring
   - SHA
   - text

src/Password.hs

@@ -59,6 +59,7 @@ import Data.Aeson
   , (.=)
   )
 import qualified Data.ByteString.Lazy as B
+import qualified Data.ByteString.Base16.Lazy as B16
 import qualified Data.ByteString.Base64.Lazy as B64
 import Data.Char (isUpper, isLower, isDigit, isAlphaNum, toLower)
 import Data.Digest.Pure.SHA
@@ -322,10 +323,11 @@ isSpecial :: Char -> Bool
 isSpecial = not . isAlphaNum
 
 mkPass :: String -> PWPolicy -> String
-mkPass (x:xs) p = let p' = nextPolicy x p in
-  if p^.pwLength <= 0
+mkPass [] _ = "" -- this should never happen
+mkPass (x:xs) p = if p^.pwLength <= 0
   then ""
-  else if validatePWPolicy p'
+  else let p' = nextPolicy x p in
+    if validatePWPolicy p'
     then x : mkPass xs p'
     else mkPass xs p
 
@@ -338,10 +340,7 @@ mkSeed :: String -> PWData -> B.ByteString
 mkSeed pw d = toUTF8 pw `B.append` (d^.pwSalt)
 
 mkHash :: B.ByteString -> B.ByteString
-mkHash = raw . show . sha256 where
-  raw (x:y:xs) = read ("0x" ++ [x] ++ [y]) `B.cons` raw xs
-  raw [_] = error "odd number of hex digits in hash"
-  raw "" = B.empty
+mkHash = fst . B16.decode . encodeUtf8 . T.pack . show . sha256
 
 nextPolicy :: Char -> PWPolicy -> PWPolicy
 nextPolicy x p = over pwLength pred $