From 61ab8bd1f576e633a2eea4b63033c368a6645602 Mon Sep 17 00:00:00 2001
From: Joey Hess <joeyh@joeyh.name>
Date: Thu, 6 Oct 2016 14:38:59 -0400
Subject: New --add-storage-directory and --add-server options

* New --add-storage-directory and --add-server options, which can be used
  to make keysafe backup/restore using additional locations.
* Removed --store-local option; use --add-storage-directory instead.

This commit was sponsored by Thomas Hochstein on Patreon.
---
 CmdLine.hs | 36 +++++++++++++++++++++++++++---------
 1 file changed, 27 insertions(+), 9 deletions(-)

(limited to 'CmdLine.hs')

diff --git a/CmdLine.hs b/CmdLine.hs
index 702c97d..ef593a2 100644
--- a/CmdLine.hs
+++ b/CmdLine.hs
@@ -7,26 +7,27 @@ module CmdLine where
 
 import Types
 import Types.Storage
-import Types.Server (HostName)
+import Types.Server (HostName, Port)
 import Types.Cost (Seconds(..))
+import Storage.Local
+import Storage.Network
 import Tunables
 import qualified Gpg
 import Options.Applicative
 import qualified Data.ByteString.UTF8 as BU8
 import qualified Data.Text as T
 import System.Directory
-import Network.Wai.Handler.Warp (Port)
 
 data CmdLine = CmdLine
 	{ mode :: Maybe Mode
 	, secretkeysource :: Maybe SecretKeySource
-	, localstorage :: Bool
 	, localstoragedirectory :: Maybe LocalStorageDirectory
 	, gui :: Bool
 	, testMode :: Bool
 	, customShareParams :: Maybe ShareParams
 	, name :: Maybe Name
 	, othername :: Maybe Name
+	, preferredStorage :: [Maybe LocalStorageDirectory -> Storage]
 	, serverConfig :: ServerConfig
 	, chaffMaxDelay :: Maybe Seconds
 	}
@@ -45,13 +46,13 @@ parse :: Parser CmdLine
 parse = CmdLine
 	<$> optional parseMode
 	<*> optional (gpgswitch <|> fileswitch)
-	<*> localstorageswitch
 	<*> optional localstoragedirectoryopt
 	<*> guiswitch
 	<*> testmodeswitch
 	<*> optional parseShareParams
 	<*> optional nameopt
 	<*> optional othernameopt
+	<*> many (addstoragedirectory <|> addserver)
 	<*> parseServerConfig
 	<*> optional chaffmaxdelayopt
   where
@@ -65,14 +66,10 @@ parse = CmdLine
 		<> metavar "FILE"
 		<> help "Specify secret key file to back up or restore. (The same filename must be used to restore a key as was used to back it up.)"
 		)
-	localstorageswitch = switch
-		( long "store-local"
-		<> help "Store data locally. (The default is to store data in the cloud.)"
-		)
 	localstoragedirectoryopt = LocalStorageDirectory <$> option str
 		( long "store-directory"
 		<> metavar "DIR"
-		<> help "Where to store data locally. (default: ~/.keysafe/objects/)"
+		<> help "Where to store data locally. For the client, data is stored here before it is uploaded to the server. For the server, this is where it stores its data. (default: ~/.keysafe/objects/)"
 		)
 	testmodeswitch = switch
 		( long "testmode"
@@ -97,6 +94,18 @@ parse = CmdLine
 		<> metavar "SECONDS"
 		<> help "Specify a delay between chaff uploads. Will delay a random amount between 0 and this many seconds."
 		)
+	addstoragedirectory = (\d _lsd -> localStorageOverride d) 
+		<$> strOption
+			( long "add-storage-directory"
+			<> metavar "DIR"
+			<> help "Add the directory to the list of locations keysafe will use for backup/restore of keys. Keysafe will use the directory first, before any of its built-in servers."
+			)
+	addserver = (\(h, p) lsd -> networkStorageOverride lsd h p) 
+		<$> option hostPortOption
+			( long "add-server"
+			<> metavar "HOST[:PORT]"
+			<> help "Add the server to the server list which keysafe will use for backup/restore of keys. Keysafe will use the server first before any of its built-in servers."
+			)
 
 parseMode :: Parser Mode
 parseMode = 
@@ -226,3 +235,12 @@ secondsOption = Seconds . toRational <$> (auto :: ReadM Double)
 
 nameOption :: ReadM Name
 nameOption = Name . BU8.fromString <$> auto
+
+hostPortOption :: ReadM (HostName, Port)
+hostPortOption = eitherReader $ \s ->
+	case break (== ':') s of
+		([], []) -> Left "need a hostname"
+		(h, ':':ps) -> case reads ps of
+			[(p, "")] -> Right (h, p)
+			_ -> Left $ "unable to parse port \"" ++ ps ++ "\""
+		(h, _) -> Right (h, 80)
-- 
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