writefreely/auth.go

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/*
* Copyright © 2018 Musing Studio LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
2018-12-31 07:05:26 +01:00
package writefreely
// AuthenticateUser ensures a user with the given accessToken is valid. Call
// it before any operations that require authentication or optionally associate
// data with a user account.
// Returns an error if the given accessToken is invalid. Otherwise the
// associated user ID is returned.
func AuthenticateUser(db writestore, accessToken string) (int64, error) {
if accessToken == "" {
return 0, ErrNoAccessToken
}
userID := db.GetUserID(accessToken)
if userID == -1 {
return 0, ErrBadAccessToken
}
return userID, nil
}