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module Erebos.Contact (
Contact,
contactIdentity,
contactCustomName,
contactName,
contactSetName,
ContactService,
contactRequest,
contactAccept,
contactReject,
) where
import Control.Monad
import Control.Monad.Except
import Control.Monad.Reader
import Data.Maybe
import Data.Proxy
import Data.Text (Text)
import qualified Data.Text as T
import Erebos.Identity
import Erebos.Network
import Erebos.Pairing
import Erebos.PubKey
import Erebos.Service
import Erebos.Set
import Erebos.State
import Erebos.Storable
import Erebos.Storage.Merge
data Contact = Contact
{ contactData :: [Stored ContactData]
, contactIdentity_ :: Maybe ComposedIdentity
, contactCustomName_ :: Maybe Text
}
data ContactData = ContactData
{ cdPrev :: [Stored ContactData]
, cdIdentity :: [Stored (Signed ExtendedIdentityData)]
, cdName :: Maybe Text
}
instance Storable ContactData where
store' x = storeRec $ do
mapM_ (storeRef "PREV") $ cdPrev x
mapM_ (storeRef "identity") $ cdIdentity x
storeMbText "name" $ cdName x
load' = loadRec $ ContactData
<$> loadRefs "PREV"
<*> loadRefs "identity"
<*> loadMbText "name"
instance Mergeable Contact where
type Component Contact = ContactData
mergeSorted cdata = Contact
{ contactData = cdata
, contactIdentity_ = validateExtendedIdentityF $ concat $ findProperty ((\case [] -> Nothing; xs -> Just xs) . cdIdentity) cdata
, contactCustomName_ = findPropertyFirst cdName cdata
}
toComponents = contactData
instance SharedType (Set Contact) where
sharedTypeID _ = mkSharedTypeID "34fbb61e-6022-405f-b1b3-a5a1abecd25e"
contactIdentity :: Contact -> Maybe ComposedIdentity
contactIdentity = contactIdentity_
contactCustomName :: Contact -> Maybe Text
contactCustomName = contactCustomName_
contactName :: Contact -> Text
contactName c = fromJust $ msum
[ contactCustomName c
, idName =<< contactIdentity c
, Just T.empty
]
contactSetName :: MonadHead LocalState m => Contact -> Text -> Set Contact -> m (Set Contact)
contactSetName contact name set = do
st <- getStorage
cdata <- wrappedStore st ContactData
{ cdPrev = toComponents contact
, cdIdentity = []
, cdName = Just name
}
storeSetAdd st (mergeSorted @Contact [cdata]) set
type ContactService = PairingService ContactAccepted
data ContactAccepted = ContactAccepted
instance Storable ContactAccepted where
store' ContactAccepted = storeRec $ do
storeText "accept" ""
load' = loadRec $ do
(_ :: T.Text) <- loadText "accept"
return ContactAccepted
instance PairingResult ContactAccepted where
pairingServiceID _ = mkServiceID "d9c37368-0da1-4280-93e9-d9bd9a198084"
pairingVerifyResult = return . Just
pairingFinalizeRequest ContactAccepted = do
pid <- asks svcPeerIdentity
finalizeContact pid
pairingFinalizeResponse = do
pid <- asks svcPeerIdentity
finalizeContact pid
return ContactAccepted
defaultPairingAttributes _ = PairingAttributes
{ pairingHookRequest = do
peer <- asks $ svcPeerIdentity
svcPrint $ "Contact pairing from " ++ T.unpack (displayIdentity peer) ++ " initiated"
, pairingHookResponse = \confirm -> do
peer <- asks $ svcPeerIdentity
svcPrint $ "Confirm contact " ++ T.unpack (displayIdentity $ finalOwner peer) ++ ": " ++ confirm
, pairingHookRequestNonce = \confirm -> do
peer <- asks $ svcPeerIdentity
svcPrint $ "Contact request from " ++ T.unpack (displayIdentity $ finalOwner peer) ++ ": " ++ confirm
, pairingHookRequestNonceFailed = do
peer <- asks $ svcPeerIdentity
svcPrint $ "Failed contact request from " ++ T.unpack (displayIdentity peer)
, pairingHookConfirmedResponse = do
svcPrint $ "Contact accepted, waiting for peer confirmation"
, pairingHookConfirmedRequest = do
svcPrint $ "Contact confirmed by peer"
, pairingHookAcceptedResponse = do
svcPrint $ "Contact accepted"
, pairingHookAcceptedRequest = do
svcPrint $ "Contact accepted"
, pairingHookVerifyFailed = return ()
, pairingHookRejected = do
svcPrint $ "Contact rejected by peer"
, pairingHookFailed = \_ -> do
svcPrint $ "Contact failed"
}
contactRequest :: (MonadIO m, MonadError String m) => Peer -> m ()
contactRequest = pairingRequest @ContactAccepted Proxy
contactAccept :: (MonadIO m, MonadError String m) => Peer -> m ()
contactAccept = pairingAccept @ContactAccepted Proxy
contactReject :: (MonadIO m, MonadError String m) => Peer -> m ()
contactReject = pairingReject @ContactAccepted Proxy
finalizeContact :: MonadHead LocalState m => UnifiedIdentity -> m ()
finalizeContact identity = updateLocalHead_ $ updateSharedState_ $ \contacts -> do
st <- getStorage
cdata <- wrappedStore st ContactData
{ cdPrev = []
, cdIdentity = idExtDataF $ finalOwner identity
, cdName = Nothing
}
storeSetAdd st (mergeSorted @Contact [cdata]) contacts
|