blob: 4cc4fe95a0aec2ae391f772cc353abd9d89f588f (
plain)
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
|
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE TypeOperators #-}
module Reaktor.API where
import Blessings
import Control.Concurrent
import Control.Exception (bracket)
import Control.Monad
import Control.Monad.IO.Class
import Data.Aeson
import Data.Aeson.Types (typeMismatch)
import Data.Function ((&))
import Data.Proxy (Proxy)
import qualified Data.Text as T
import Network.Socket.Extended
import Network.Wai
import Network.Wai.Handler.Warp
import Reaktor.Internal (Actions(..),Message(..))
import Reaktor.IRC
import Servant
type API =
ReqBody '[JSON] Message :> PostAccepted '[JSON] NoContent
data Config = Config
{ cListen :: String
}
instance FromJSON Config where
parseJSON = \case
Object v -> do
cListen <- v .: "listen"
pure Config{..}
invalid -> typeMismatch "Config" invalid
api :: Proxy API
api = Proxy
main :: Actions -> Maybe Config -> IO ()
main Actions{..} = \case
Just Config{..} ->
either disable enable =<< readListenString cListen
Nothing ->
disable "no configuration"
where
enable sockAddr =
bracket
(openSocket sockAddr)
closeSocket
$ \sock -> do
aLog $ SGR [38,5,155]
("* enabling API on " <> Plain (T.pack $ show sockAddr))
let port = getAddrPort sockAddr
settings = defaultSettings & setPort port
bind sock sockAddr
listen sock maxListenQueue
runSettingsSocket settings sock
$ app
disable :: String -> IO ()
disable reason = do
aLog $ SGR [38,5,196]
("! disabling API due to " <> Plain (T.pack reason))
forever $ threadDelay 60000
app :: Application
app = serve api server
server :: Server API
server =
serveTest
serveTest :: Message -> Handler NoContent
serveTest = \case
-- Allowing just private messages to (registered) channels for now.
msg@(Message Nothing PRIVMSG [msgtarget,_]) | isChannelName msgtarget -> do
liftIO $ aSend msg
return NoContent
_ ->
throwError err403
where
-- Channel names are defined in RFC 2812, 1.3
isChannelName msgtarget =
case T.uncons msgtarget of
Just (c, _) -> c `elem` ("&#+!" :: String)
Nothing -> False
|
