1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
{- git-annex command, used internally by assistant in version
- 8.20201127 and older and provided only to avoid upgrade breakage.
- Remove at some point when such old versions of git-annex are unlikely
- to be running any longer.
-
- Copyright 2012, 2013 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
{-# LANGUAGE TypeSynonymInstances, FlexibleInstances #-}
module Command.TransferKeys where
import Command
import Annex.Content
import Logs.Location
import Annex.Transfer
import qualified Remote
import Utility.SimpleProtocol (dupIoHandles)
import Git.Types (RemoteName)
import qualified Database.Keys
import Annex.BranchState
data TransferRequest = TransferRequest Direction Remote Key AssociatedFile
cmd :: Command
cmd = command "transferkeys" SectionPlumbing "transfers keys (deprecated)"
paramNothing (withParams seek)
seek :: CmdParams -> CommandSeek
seek = withNothing (commandAction start)
start :: CommandStart
start = do
enableInteractiveBranchAccess
(readh, writeh) <- liftIO dupIoHandles
runRequests readh writeh runner
stop
where
runner (TransferRequest direction remote key file)
| direction == Upload = notifyTransfer direction file $
upload' (Remote.uuid remote) key file Nothing stdRetry $ \p -> do
tryNonAsync (Remote.storeKey remote key file p) >>= \case
Left e -> do
warning (show e)
return False
Right () -> do
Remote.logStatus remote key InfoPresent
return True
| otherwise = notifyTransfer direction file $
download' (Remote.uuid remote) key file Nothing stdRetry $ \p ->
logStatusAfter key $ getViaTmp (Remote.retrievalSecurityPolicy remote) (RemoteVerify remote) key file $ \t -> do
r <- tryNonAsync (Remote.retrieveKeyFile remote key file (fromRawFilePath t) p (RemoteVerify remote)) >>= \case
Left e -> do
warning (show e)
return (False, UnVerified)
Right v -> return (True, v)
-- Make sure we get the current
-- associated files data for the key,
-- not old cached data.
Database.Keys.closeDb
return r
runRequests
:: Handle
-> Handle
-> (TransferRequest -> Annex Bool)
-> Annex ()
runRequests readh writeh a = do
liftIO $ hSetBuffering readh NoBuffering
go =<< readrequests
where
go (d:rn:k:f:rest) = do
case (deserialize d, deserialize rn, deserialize k, deserialize f) of
(Just direction, Just remotename, Just key, Just file) -> do
mremote <- Remote.byName' remotename
case mremote of
Left _ -> sendresult False
Right remote -> sendresult =<< a
(TransferRequest direction remote key file)
_ -> sendresult False
go rest
go [] = noop
go [""] = noop
go v = error $ "transferkeys protocol error: " ++ show v
readrequests = liftIO $ split fieldSep <$> hGetContents readh
sendresult b = liftIO $ do
hPutStrLn writeh $ serialize b
hFlush writeh
sendRequest :: Transfer -> TransferInfo -> Handle -> IO ()
sendRequest t tinfo h = do
hPutStr h $ intercalate fieldSep
[ serialize (transferDirection t)
, maybe (serialize ((fromUUID (transferUUID t)) :: String))
(serialize . Remote.name)
(transferRemote tinfo)
, serialize (transferKey t)
, serialize (associatedFile tinfo)
, "" -- adds a trailing null
]
hFlush h
readResponse :: Handle -> IO Bool
readResponse h = fromMaybe False . deserialize <$> hGetLine h
fieldSep :: String
fieldSep = "\0"
class TCSerialized a where
serialize :: a -> String
deserialize :: String -> Maybe a
instance TCSerialized Bool where
serialize True = "1"
serialize False = "0"
deserialize "1" = Just True
deserialize "0" = Just False
deserialize _ = Nothing
instance TCSerialized Direction where
serialize Upload = "u"
serialize Download = "d"
deserialize "u" = Just Upload
deserialize "d" = Just Download
deserialize _ = Nothing
instance TCSerialized AssociatedFile where
serialize (AssociatedFile (Just f)) = fromRawFilePath f
serialize (AssociatedFile Nothing) = ""
deserialize "" = Just (AssociatedFile Nothing)
deserialize f = Just (AssociatedFile (Just (toRawFilePath f)))
instance TCSerialized RemoteName where
serialize n = n
deserialize n = Just n
instance TCSerialized Key where
serialize = serializeKey
deserialize = deserializeKey
|
