about summary refs log tree commit diff
path: root/users/Profpatsch/mailbox-org/MailboxOrg.hs
blob: 62277f192aef820a9b0ea579a81733de455c466a (plain) (blame)
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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DerivingStrategies #-}
{-# LANGUAGE GHC2021 #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE OverloadedRecordDot #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE RecordWildCards #-}
{-# OPTIONS_GHC -Wall #-}

module Main where

import Aeson (parseErrorTree)
import Control.Monad (replicateM)
import Data.Aeson qualified as Json
import Data.Aeson.BetterErrors qualified as Json
import Data.Aeson.KeyMap qualified as KeyMap
import Data.ByteString qualified as ByteString
import Data.ByteString.Char8 qualified as Char8
import Data.Error.Tree (prettyErrorTree)
import Data.List qualified as List
import Data.Map.Strict qualified as Map
import ExecHelpers
import GHC.Records (HasField (..))
import Label
import MyPrelude
import Network.HTTP.Conduit qualified as Client
import Network.HTTP.Simple qualified as Client
import Pretty
import System.Exit qualified as Exit
import System.Process qualified as Proc
import System.Random qualified as Random
import System.Random.Stateful qualified as Random
import Prelude hiding (log)

secret :: IO (T2 "email" ByteString "password" ByteString)
secret = do
  T2
    (label @"email" "mail@profpatsch.de")
    <$> (label @"password" <$> fromPass "email/mailbox.org")
  where
    fromPass name =
      Proc.readProcess "pass" [name] ""
        <&> stringToText
        <&> textToBytesUtf8
        <&> Char8.strip

progName :: CurrentProgramName
progName = "mailbox-org"

log :: Error -> IO ()
log err = do
  putStderrLn (errorContext progName.unCurrentProgramName err & prettyError)

main :: IO ()
main =
  secret
    >>= run applyFilters

run ::
  ( HasField "email" dat ByteString,
    HasField "password" dat ByteString
  ) =>
  (Session -> IO ()) ->
  dat ->
  IO ()
run act loginData = do
  session <- login loginData
  act session

listFilterConfig :: Session -> IO ()
listFilterConfig session = do
  mailfilter
    session
    "config"
    mempty
    (Json.key "data" Json.asObject)
    ()
    >>= printPretty

applyFilterRule ::
  ( HasField "folderId" dat Text,
    HasField "rulename" dat Text
  ) =>
  dat ->
  Session ->
  IO ()
applyFilterRule dat session = do
  mailfilter
    session
    "apply"
    ( T2
        (label @"extraQueryParams" [("folderId", Just (dat.folderId & textToBytesUtf8))])
        mempty
    )
    (Json.key "data" Json.asArray >> pure ())
    (Json.Object mempty)

data MailfilterList = MailfilterList
  { id_ :: Json.Value,
    rulename :: Text
  }
  deriving stock (Show, Eq)

applyFilters :: Session -> IO ()
applyFilters session = do
  filters <-
    mailfilter
      session
      "list"
      mempty
      ( Json.key "data" $ do
          ( Json.eachInArray $ asDat @"mailfilter" $ do
              id_ <- Json.key "id" Json.asValue
              rulename <- Json.key "rulename" Json.asText
              pure MailfilterList {..}
            )
            <&> mapFromListOn (\dat -> getLabel @"rulename" dat.parsed)
      )
      ([] :: [()])
  let goal = Map.fromList [(label @"rulename" "another", 32), (label @"rulename" "xyz", 23)]
  let actions = declarativeUpdate goal filters
  log [fmt|Would * create: {actions.toCreate & Map.keys & show}, * update: {actions.toUpdate & Map.keys & show}, * delete: {actions.toDelete & Map.keys & show}|]
  where
    -- filters
    --   & Map.elems
    --   & traverse_
    --     ( updateIfDifferent
    --         session
    --         ( \el ->
    --             pure $
    --               el.original.mailfilter
    --                 & KeyMap.insert "active" (Json.Bool False)
    --         )
    --         (pure ())
    --     )

    mapFromListOn :: Ord k => (a -> k) -> [a] -> Map k a
    mapFromListOn on xs = xs <&> (\x -> (on x, x)) & Map.fromList
    updateIfDifferent ::
      forall label parsed.
      ( HasField "id_" parsed Json.Value,
        HasField "rulename" parsed Text
      ) =>
      Session ->
      (Dat label Json.Object parsed -> IO Json.Object) ->
      Json.Parse Error () ->
      Dat label Json.Object parsed ->
      IO ()
    updateIfDifferent session switcheroo parser dat = do
      new <- switcheroo dat
      if new /= getField @label dat.original
        then do
          log [fmt|Updating filter "{dat.parsed.rulename}" (id {dat.parsed.id_ & show @Json.Value})|]
          mailfilter
            session
            "update"
            mempty
            parser
            new
        else do
          log [fmt|Skipping updating filter "{dat.parsed.rulename}" (id {dat.parsed.id_ & show @Json.Value}) because nothing changed.|]

-- | https://oxpedia.org/wiki/index.php?title=HTTP_API_MailFilter
mailfilter ::
  ( Json.ToJSON a,
    Show b
  ) =>
  Session ->
  ByteString ->
  T2
    "extraQueryParams"
    Client.Query
    "httpMethod"
    (Maybe ByteString) ->
  Json.Parse Error b ->
  a ->
  IO b
mailfilter session action opts parser body = do
  req <-
    Client.parseRequest "https://office.mailbox.org/appsuite/api/mailfilter/v2"
      <&> Client.setQueryString
        ( [ ("action", Just action),
            ("colums", Just "1")
          ]
            <> opts.extraQueryParams
        )
      <&> Client.setRequestMethod (opts.httpMethod & fromMaybe "PUT")
      <&> Client.setRequestBodyJSON body
      <&> addSession session
  req
    & httpJSON [fmt|Cannot parse result for {req & prettyRequestShort}|] parser
    >>= okOrDie
    -- >>= (\resp -> printPretty resp >> pure resp)
    <&> Client.responseBody
  where
    prettyRequestShort :: Client.Request -> Text
    prettyRequestShort req = [fmt|request {req & Client.method}: {req & Client.host}{req & Client.path}{req & Client.queryString}|]

-- | Given a goal and the actual state, return which elements to delete, update and create.
declarativeUpdate ::
  Ord k =>
  -- | goal map
  Map k a ->
  -- | actual map
  Map k b ->
  T3
    "toCreate"
    (Map k a)
    "toDelete"
    (Map k b)
    "toUpdate"
    (Map k a)
declarativeUpdate goal actual =
  T3
    (label @"toCreate" $ goal `Map.difference` actual)
    (label @"toDelete" $ actual `Map.difference` goal)
    (label @"toUpdate" $ goal `Map.intersection` actual)

newtype Session = Session Client.CookieJar

httpJSON ::
  Error ->
  Json.Parse Error b ->
  Client.Request ->
  IO (Client.Response b)
httpJSON errMsg parser req = do
  req
    & Client.httpJSON @_ @Json.Value
    >>= traverse
      ( \val -> do
          case val of
            Json.Object obj
              | "error" `KeyMap.member` obj
                  && "error_desc" `KeyMap.member` obj -> do
                  printPretty obj
                  diePanic progName "Server returned above inline error"
            _ -> pure ()
          val & Json.parseValue parser & \case
            Left errs ->
              errs
                & parseErrorTree errMsg
                & prettyErrorTree
                & diePanic progName
            Right a -> pure a
      )

data Dat label orig parsed = Dat
  { original :: Label label orig,
    parsed :: parsed
  }
  deriving stock (Show, Eq)

asDat ::
  forall label err m a.
  Monad m =>
  Json.ParseT err m a ->
  Json.ParseT err m (Dat label Json.Object a)
asDat parser = do
  original <- label @label <$> Json.asObject
  parsed <- parser
  pure Dat {..}

addSession :: Session -> Client.Request -> Client.Request
addSession (Session jar) req = do
  let sessionId =
        jar
          & Client.destroyCookieJar
          & List.find (\c -> "open-xchange-session-" `ByteString.isPrefixOf` c.cookie_name)
          & annotate "The cookie jar did not contain an open-exchange-session-*"
          & unwrapError
          & (.cookie_value)

  let req' = req & Client.addToRequestQueryString [("session", Just sessionId)]
  req' {Client.cookieJar = Just jar}

-- | Log into the mailbox.org service, and return the session secret cookies.
login :: (HasField "email" dat ByteString, HasField "password" dat ByteString) => dat -> IO Session
login dat = do
  rnd <- randomString
  req <-
    Client.parseRequest "https://office.mailbox.org/ajax/login"
      <&> Client.setQueryString
        [ ("action", Just "formlogin"),
          ("authId", Just $ ("mbo-" <> rnd) & stringToText & textToBytesUtf8)
        ]
      <&> Client.urlEncodedBody
        [ ("version", "Form+Login"),
          ("autologin", "true"),
          ("client", "open-xchange-appsuite"),
          ("uiWebPath", "/appsuite/"),
          ("login", dat.email),
          ("password", dat.password)
        ]
  Client.httpNoBody req
    >>= okOrDie
    <&> Client.responseCookieJar
    <&> Session
  where
    -- For some reason they want the client to pass a random string
    -- which is used for the session?‽!?
    randomString = do
      gen <- Random.newIOGenM =<< Random.newStdGen
      let chars = ['a' .. 'z'] <> ['A' .. 'Z'] <> ['0' .. '9']
      let len = 11
      Random.uniformRM (0, List.length chars - 1) gen
        & replicateM len
        <&> map (\index -> chars !! index)

okOrDie :: Show a => Client.Response a -> IO (Client.Response a)
okOrDie resp =
  case resp & Client.getResponseStatusCode of
    200 -> pure resp
    _ -> do
      printPretty resp
      Exit.die "non-200 result"