465 lines
19 KiB
Plaintext
465 lines
19 KiB
Plaintext
module App.Messages.AuthenticationDaemon where
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import Prelude (bind, pure, show, ($))
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import Effect (Effect)
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import Data.Argonaut.Core as J
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import Data.Codec.Argonaut as CA
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import Data.Maybe (Maybe)
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import Data.Either (Either(..))
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import Data.Codec.Argonaut.Record as CAR
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import Data.UInt (fromInt, toInt, UInt)
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import Data.Tuple (Tuple(..))
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import Data.ArrayBuffer.Types (ArrayBuffer)
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import App.Email as Email
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import App.UserPublic as UserPublic
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import App.PermissionLevel as PermissionLevel
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import Effect.Class (liftEffect)
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import Data.Argonaut.Parser as JSONParser
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import Data.Bifunctor (lmap)
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import App.IPC as IPC
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{- TODO:
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For a few messages, user can be designated by a string (login) or a number (its UID).
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This was simplified by using the uid for each.
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Maybe this could be changed in the future to match the actual possibilities of the API.
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-}
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type Password = String
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{- UserID should be in a separate module with a dedicated codec. -}
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type UserID = Int -- UserID is either a login or an uid number
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{-
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REQUESTS
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General notes:
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- when the "UserID" is optional, the server will work on the requesting user
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-}
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{- 0 -}
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type Login = { login :: String, password :: String }
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codecLogin ∷ CA.JsonCodec Login
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codecLogin = CA.object "Login" (CAR.record { login: CA.string, password: CA.string })
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{- 1 -}
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type Register = { login :: String
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, password :: Password
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, email :: Maybe Email.Email
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{-, profile :: Maybe Hash(String, JSON::Any) -} }
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codecRegister ∷ CA.JsonCodec Register
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codecRegister
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= CA.object "Register" (CAR.record
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{ login: CA.string
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, password: CA.string
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, email: CAR.optional Email.codec })
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{- 2 -}
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type ValidateUser = { user :: UserID, activation_key :: String }
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codecValidateUser ∷ CA.JsonCodec ValidateUser
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codecValidateUser
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= CA.object "ValidateUser" (CAR.record
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{ user: CA.int
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, activation_key: CA.string })
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{- NOTE: "user" attribute for both PasswordRecovery and AskPasswordRecovery could be UserID,
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but they'll be used as login since the user has to type it. -}
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{- 3 -}
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type AskPasswordRecovery = { user :: String }
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codecAskPasswordRecovery ∷ CA.JsonCodec AskPasswordRecovery
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codecAskPasswordRecovery = CA.object "AskPasswordRecovery" (CAR.record { user: CA.string })
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{- 4 -}
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type PasswordRecovery = { user :: String
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, password_renew_key :: String
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, new_password :: Password }
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codecPasswordRecovery ∷ CA.JsonCodec PasswordRecovery
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codecPasswordRecovery
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= CA.object "PasswordRecovery" (CAR.record
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{ user: CA.string
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, password_renew_key: CA.string
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, new_password: CA.string })
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{- 5 -}
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-- I'll split a message in two: either get a user by UID or by name.
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-- TODO: change it for an Either Int String type.
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type GetUserByUID = { user :: Int }
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type GetUserByName = { user :: String }
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codecGetUserByUID ∷ CA.JsonCodec GetUserByUID
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codecGetUserByUID = CA.object "GetUserByUID" (CAR.record { user: CA.int })
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codecGetUserByName ∷ CA.JsonCodec GetUserByName
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codecGetUserByName = CA.object "GetUserByName" (CAR.record { user: CA.string })
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{- 6 -}
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type ModUser = { user :: Maybe UserID
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, admin :: Maybe Boolean
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, password :: Maybe Password
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, email :: Maybe Email.Email }
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codecModUser ∷ CA.JsonCodec ModUser
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codecModUser
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= CA.object "ModUser" (CAR.record
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{ user: CAR.optional CA.int
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, admin: CAR.optional CA.boolean
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, password: CAR.optional CA.string
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, email: CAR.optional Email.codec })
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{- 7 -}
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{- type EditProfileEntries = { user :: Maybe UserID
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, new_profile_entries :: Hash(String, JSON::Any) } -}
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{- 8 -}
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type DeleteUser = { user :: Maybe UserID }
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codecDeleteUser ∷ CA.JsonCodec DeleteUser
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codecDeleteUser = CA.object "DeleteUser" (CAR.record { user: CAR.optional CA.int })
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{- 9 -}
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type AddUser = { login :: String
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, password :: Password
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, admin :: Boolean
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, email :: Maybe Email.Email
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{-, profile :: Maybe Hash(String, JSON::Any) -} }
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codecAddUser ∷ CA.JsonCodec AddUser
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codecAddUser
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= CA.object "AddUser" (CAR.record
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{ login: CA.string
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, password: CA.string
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, admin: CA.boolean
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, email: CAR.optional Email.codec
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{-, profile :: Maybe Hash(String, JSON::Any) -} })
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{- 10 -}
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type CheckPermission = { user :: Maybe UserID, service :: String, resource :: String }
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codecCheckPermission ∷ CA.JsonCodec CheckPermission
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codecCheckPermission
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= CA.object "CheckPermission" (CAR.record
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{ user: CAR.optional CA.int
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, service: CA.string
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, resource: CA.string })
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{- 11 -}
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type SetPermission = { user :: UserID
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, service :: String
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, resource :: String
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, permission :: PermissionLevel.PermissionLevel }
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codecSetPermission ∷ CA.JsonCodec SetPermission
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codecSetPermission
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= CA.object "SetPermission" (CAR.record
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{ user: CA.int
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, service: CA.string
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, resource: CA.string
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, permission: PermissionLevel.codec })
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{- 12 -}
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type SearchUser = { regex :: Maybe String, offset :: Maybe Int }
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codecSearchUser ∷ CA.JsonCodec SearchUser
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codecSearchUser
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= CA.object "SearchUser" (CAR.record
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{ regex: CAR.optional CA.string
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, offset: CAR.optional CA.int })
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{-
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RESPONSES
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-}
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-- TODO: note to myself: messages seem chaotic. Could be simpler. Should be simpler.
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{- 0 -}
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type Error = { reason :: Maybe String }
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codecGotError ∷ CA.JsonCodec Error
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codecGotError = CA.object "Error" (CAR.record { reason: CAR.optional CA.string })
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{- 1 -}
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type Logged = { uid :: Int, token :: String }
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codecGotToken ∷ CA.JsonCodec Logged
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codecGotToken = CA.object "Logged" (CAR.record { "uid": CA.int, "token": CA.string })
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{- 2 -}
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type User = { user :: UserPublic.UserPublic }
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codecGotUser ∷ CA.JsonCodec User
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codecGotUser = CA.object "User" (CAR.record { user: UserPublic.codec })
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{- 3 -}
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type UserAdded = { user :: UserPublic.UserPublic }
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codecGotUserAdded ∷ CA.JsonCodec UserAdded
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codecGotUserAdded = CA.object "UserAdded" (CAR.record { user: UserPublic.codec })
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{- 4 -}
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type UserEdited = { uid :: Int }
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codecGotUserEdited ∷ CA.JsonCodec UserEdited
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codecGotUserEdited = CA.object "UserEdited" (CAR.record { "uid": CA.int })
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{- 5 -}
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type UserValidated = { user :: UserPublic.UserPublic }
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codecGotUserValidated ∷ CA.JsonCodec UserValidated
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codecGotUserValidated = CA.object "UserValidated" (CAR.record { user: UserPublic.codec })
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{- 6 -}
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type UsersList = { users :: Array UserPublic.UserPublic }
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codecGotUsersList ∷ CA.JsonCodec UsersList
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codecGotUsersList = CA.object "UsersList" (CAR.record { users: CA.array UserPublic.codec })
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{- 7 -}
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type PermissionCheck
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= { user :: Int
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, service :: String
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, resource :: String
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, permission :: PermissionLevel.PermissionLevel }
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codecGotPermissionCheck :: CA.JsonCodec PermissionCheck
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codecGotPermissionCheck
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= CA.object "PermissionCheck" (CAR.record
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{ user: CA.int
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, service: CA.string
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, resource: CA.string
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, permission: PermissionLevel.codec })
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{- 8 -}
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type PermissionSet
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= { user :: Int
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, service :: String
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, resource :: String
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, permission :: PermissionLevel.PermissionLevel }
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codecGotPermissionSet :: CA.JsonCodec PermissionSet
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codecGotPermissionSet
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= CA.object "PermissionSet" (CAR.record
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{ user: CA.int
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, service: CA.string
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, resource: CA.string
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, permission: PermissionLevel.codec })
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{- 9 -}
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type PasswordRecoverySent = { user :: UserPublic.UserPublic }
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codecGotPasswordRecoverySent ∷ CA.JsonCodec PasswordRecoverySent
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codecGotPasswordRecoverySent
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= CA.object "PasswordRecoverySent" (CAR.record { user: UserPublic.codec })
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{- 10 -}
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type PasswordRecovered = { }
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codecGotPasswordRecovered ∷ CA.JsonCodec PasswordRecovered
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codecGotPasswordRecovered = CA.object "PasswordRecovered" (CAR.record { })
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{- 11 -}
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type MatchingUsers = { users :: Array UserPublic.UserPublic }
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codecGotMatchingUsers ∷ CA.JsonCodec MatchingUsers
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codecGotMatchingUsers = CA.object "MatchingUsers" (CAR.record { users: CA.array UserPublic.codec })
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{- 12 -}
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type UserDeleted = { uid :: Int }
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codecGotUserDeleted ∷ CA.JsonCodec UserDeleted
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codecGotUserDeleted = CA.object "UserDeleted" (CAR.record { uid: CA.int })
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{- 20 -}
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type ErrorMustBeAuthenticated = {}
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codecGotErrorMustBeAuthenticated :: CA.JsonCodec ErrorMustBeAuthenticated
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codecGotErrorMustBeAuthenticated = CA.object "ErrorMustBeAuthenticated" (CAR.record {})
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{- 21 -}
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type ErrorAlreadyUsedLogin = {}
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codecGotErrorAlreadyUsedLogin :: CA.JsonCodec ErrorAlreadyUsedLogin
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codecGotErrorAlreadyUsedLogin = CA.object "ErrorAlreadyUsedLogin" (CAR.record {})
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{- 22 -}
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type ErrorMailRequired = {}
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codecGotErrorMailRequired :: CA.JsonCodec ErrorMailRequired
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codecGotErrorMailRequired = CA.object "ErrorMailRequired" (CAR.record {})
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{- 23 -}
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type ErrorUserNotFound = {}
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codecGotErrorUserNotFound :: CA.JsonCodec ErrorUserNotFound
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codecGotErrorUserNotFound = CA.object "ErrorUserNotFound" (CAR.record {})
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{- 24 -}
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type ErrorPasswordTooShort = {}
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codecGotErrorPasswordTooShort :: CA.JsonCodec ErrorPasswordTooShort
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codecGotErrorPasswordTooShort = CA.object "ErrorPasswordTooShort" (CAR.record {})
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{- 25 -}
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type ErrorInvalidCredentials = {}
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codecGotErrorInvalidCredentials :: CA.JsonCodec ErrorInvalidCredentials
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codecGotErrorInvalidCredentials = CA.object "ErrorInvalidCredentials" (CAR.record {})
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{- 26 -}
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type ErrorRegistrationsClosed = {}
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codecGotErrorRegistrationsClosed :: CA.JsonCodec ErrorRegistrationsClosed
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codecGotErrorRegistrationsClosed = CA.object "ErrorRegistrationsClosed" (CAR.record {})
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{- 27 -}
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type ErrorInvalidLoginFormat = {}
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codecGotErrorInvalidLoginFormat :: CA.JsonCodec ErrorInvalidLoginFormat
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codecGotErrorInvalidLoginFormat = CA.object "ErrorInvalidLoginFormat" (CAR.record {})
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{- 28 -}
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type ErrorInvalidEmailFormat = {}
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codecGotErrorInvalidEmailFormat :: CA.JsonCodec ErrorInvalidEmailFormat
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codecGotErrorInvalidEmailFormat = CA.object "ErrorInvalidEmailFormat" (CAR.record {})
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{- 29 -}
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type ErrorAlreadyUsersInDB = {}
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codecGotErrorAlreadyUsersInDB :: CA.JsonCodec ErrorAlreadyUsersInDB
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codecGotErrorAlreadyUsersInDB = CA.object "ErrorAlreadyUsersInDB" (CAR.record {})
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{- 30 -}
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type ErrorReadOnlyProfileKeys = { read_only_keys :: Array String }
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codecGotErrorReadOnlyProfileKeys :: CA.JsonCodec ErrorReadOnlyProfileKeys
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codecGotErrorReadOnlyProfileKeys
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= CA.object "ErrorReadOnlyProfileKeys" (CAR.record { read_only_keys: CA.array CA.string })
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{- 31 -}
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type ErrorInvalidActivationKey = {}
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codecGotErrorInvalidActivationKey :: CA.JsonCodec ErrorInvalidActivationKey
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codecGotErrorInvalidActivationKey = CA.object "ErrorInvalidActivationKey" (CAR.record {})
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{- 32 -}
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type ErrorUserAlreadyValidated = {}
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codecGotErrorUserAlreadyValidated :: CA.JsonCodec ErrorUserAlreadyValidated
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codecGotErrorUserAlreadyValidated = CA.object "ErrorUserAlreadyValidated" (CAR.record {})
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{- 33 -}
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type ErrorCannotContactUser = {}
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codecGotErrorCannotContactUser :: CA.JsonCodec ErrorCannotContactUser
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codecGotErrorCannotContactUser = CA.object "ErrorCannotContactUser" (CAR.record {})
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{- 34 -}
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type ErrorInvalidRenewKey = {}
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codecGotErrorInvalidRenewKey :: CA.JsonCodec ErrorInvalidRenewKey
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codecGotErrorInvalidRenewKey = CA.object "ErrorInvalidRenewKey" (CAR.record {})
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-- All possible requests.
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data RequestMessage
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= MkLogin Login -- 0
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| MkRegister Register -- 1
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| MkValidateUser ValidateUser -- 2
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| MkAskPasswordRecovery AskPasswordRecovery -- 3
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| MkPasswordRecovery PasswordRecovery -- 4
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| MkGetUserByUID GetUserByUID -- 5
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| MkGetUserByName GetUserByName -- 5 (bis)
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| MkModUser ModUser -- 6
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--| MkEditProfileContent EditProfileContent -- 7
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| MkDeleteUser DeleteUser -- 8
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| MkAddUser AddUser -- 9
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| MkCheckPermission CheckPermission -- 10
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| MkSetPermission SetPermission -- 11
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| MkSearchUser SearchUser -- 12
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-- All possible answers from the authentication daemon (authd).
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data AnswerMessage
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= GotError Error -- 0
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| GotToken Logged -- 1
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| GotUser User -- 2
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| GotUserAdded UserAdded -- 3
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| GotUserEdited UserEdited -- 4
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| GotUserValidated UserValidated -- 5
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| GotUsersList UsersList -- 6
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| GotPermissionCheck PermissionCheck -- 7
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| GotPermissionSet PermissionSet -- 8
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| GotPasswordRecoverySent PasswordRecoverySent -- 9
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| GotPasswordRecovered PasswordRecovered -- 10
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| GotMatchingUsers MatchingUsers -- 11
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| GotUserDeleted UserDeleted -- 12
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| GotErrorMustBeAuthenticated ErrorMustBeAuthenticated -- 20
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| GotErrorAlreadyUsedLogin ErrorAlreadyUsedLogin -- 21
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| GotErrorMailRequired ErrorMailRequired -- 22
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| GotErrorUserNotFound ErrorUserNotFound -- 23
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| GotErrorPasswordTooShort ErrorPasswordTooShort -- 24
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| GotErrorInvalidCredentials ErrorInvalidCredentials -- 25
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| GotErrorRegistrationsClosed ErrorRegistrationsClosed -- 26
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| GotErrorInvalidLoginFormat ErrorInvalidLoginFormat -- 27
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| GotErrorInvalidEmailFormat ErrorInvalidEmailFormat -- 28
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| GotErrorAlreadyUsersInDB ErrorAlreadyUsersInDB -- 29
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| GotErrorReadOnlyProfileKeys ErrorReadOnlyProfileKeys -- 30
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| GotErrorInvalidActivationKey ErrorInvalidActivationKey -- 31
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| GotErrorUserAlreadyValidated ErrorUserAlreadyValidated -- 32
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| GotErrorCannotContactUser ErrorCannotContactUser -- 33
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| GotErrorInvalidRenewKey ErrorInvalidRenewKey -- 34
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encode ∷ RequestMessage -> Tuple UInt String
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encode m = case m of
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(MkLogin request) -> get_tuple 0 codecLogin request
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(MkRegister request) -> get_tuple 1 codecRegister request
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(MkValidateUser request) -> get_tuple 2 codecValidateUser request
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(MkAskPasswordRecovery request) -> get_tuple 3 codecAskPasswordRecovery request
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(MkPasswordRecovery request) -> get_tuple 4 codecPasswordRecovery request
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-- Both messages are actually a single message type, so they have the same number.
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-- TODO: change the message codec for an Either Int String.
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(MkGetUserByUID request) -> get_tuple 5 codecGetUserByUID request
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(MkGetUserByName request) -> get_tuple 5 codecGetUserByName request
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(MkModUser request) -> get_tuple 6 codecModUser request
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-- 7 MkEditProfileContent
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(MkDeleteUser request) -> get_tuple 8 codecDeleteUser request
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(MkAddUser request) -> get_tuple 9 codecAddUser request
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(MkCheckPermission request) -> get_tuple 10 codecCheckPermission request
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(MkSetPermission request) -> get_tuple 11 codecSetPermission request
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(MkSearchUser request) -> get_tuple 12 codecSearchUser request
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where
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get_tuple :: forall a. Int -> CA.JsonCodec a -> a -> Tuple UInt String
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get_tuple num codec request = Tuple (fromInt num) (J.stringify $ CA.encode codec request)
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data DecodeError
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= JSONERROR String
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| UnknownError String
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| UnknownNumber
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decode :: Int -> String -> Either DecodeError AnswerMessage
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decode number string
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= case number of
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0 -> error_management codecGotError GotError
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1 -> error_management codecGotToken GotToken
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2 -> error_management codecGotUser GotUser
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3 -> error_management codecGotUserAdded GotUserAdded
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4 -> error_management codecGotUserEdited GotUserEdited
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5 -> error_management codecGotUserValidated GotUserValidated
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6 -> error_management codecGotUsersList GotUsersList
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7 -> error_management codecGotPermissionCheck GotPermissionCheck
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8 -> error_management codecGotPermissionSet GotPermissionSet
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9 -> error_management codecGotPasswordRecoverySent GotPasswordRecoverySent
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10 -> error_management codecGotPasswordRecovered GotPasswordRecovered
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11 -> error_management codecGotMatchingUsers GotMatchingUsers
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12 -> error_management codecGotUserDeleted GotUserDeleted
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20 -> error_management codecGotErrorMustBeAuthenticated GotErrorMustBeAuthenticated
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21 -> error_management codecGotErrorAlreadyUsedLogin GotErrorAlreadyUsedLogin
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22 -> error_management codecGotErrorMailRequired GotErrorMailRequired
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23 -> error_management codecGotErrorUserNotFound GotErrorUserNotFound
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24 -> error_management codecGotErrorPasswordTooShort GotErrorPasswordTooShort
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25 -> error_management codecGotErrorInvalidCredentials GotErrorInvalidCredentials
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26 -> error_management codecGotErrorRegistrationsClosed GotErrorRegistrationsClosed
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27 -> error_management codecGotErrorInvalidLoginFormat GotErrorInvalidLoginFormat
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28 -> error_management codecGotErrorInvalidEmailFormat GotErrorInvalidEmailFormat
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29 -> error_management codecGotErrorAlreadyUsersInDB GotErrorAlreadyUsersInDB
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30 -> error_management codecGotErrorReadOnlyProfileKeys GotErrorReadOnlyProfileKeys
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31 -> error_management codecGotErrorInvalidActivationKey GotErrorInvalidActivationKey
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32 -> error_management codecGotErrorUserAlreadyValidated GotErrorUserAlreadyValidated
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33 -> error_management codecGotErrorCannotContactUser GotErrorCannotContactUser
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34 -> error_management codecGotErrorInvalidRenewKey GotErrorInvalidRenewKey
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_ -> Left UnknownNumber
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where
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-- Signature is required since the compiler's guess is wrong.
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error_management :: forall a. CA.JsonCodec a -> (a -> AnswerMessage) -> Either DecodeError AnswerMessage
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error_management codec f
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= case (parseDecodeJSON codec string) of
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(Left err) -> Left (JSONERROR err)
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(Right v) -> Right (f v)
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parseDecodeJSON :: forall a. CA.JsonCodec a -> String -> Either String a
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parseDecodeJSON codec str = do
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json <- JSONParser.jsonParser str
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lmap CA.printJsonDecodeError (CA.decode codec json)
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serialize :: RequestMessage -> Effect ArrayBuffer
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serialize request
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= case (encode request) of
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(Tuple messageTypeNumber string) -> IPC.toTypedIPC messageTypeNumber string
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deserialize :: ArrayBuffer -> Effect (Either DecodeError AnswerMessage)
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deserialize arraybuffer
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= do
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value <- liftEffect $ IPC.fromTypedIPC arraybuffer
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pure $ case (value) of
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Left err -> Left (UnknownError $ show err)
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Right (Tuple messageTypeNumber string) -> case (decode (toInt messageTypeNumber) string) of
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Left parsingError -> Left parsingError
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Right answerMessage -> Right answerMessage
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