/
user.go
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/
user.go
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/*******************************************************************************
* Copyright (c) 2022 Genome Research Ltd.
*
* Authors:
* - Sendu Bala <sb10@sanger.ac.uk>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
******************************************************************************/
package server
import "os/user"
// User is what we store in our JWTs.
type User struct {
Username string
UID string
}
// GIDs returns the unix group IDs that our UID belongs to (unsorted, with no
// duplicates).
func (u *User) GIDs() ([]string, error) {
if u.UID == "" {
return nil, nil
}
return getGIDsForUID(u.UID)
}
// getGIDsForUID returns the group IDs that the given UID belongs to.
func getGIDsForUID(uid string) ([]string, error) {
u, err := user.LookupId(uid)
if err != nil {
return nil, err
}
return u.GroupIds()
}
// UserNameToUID converts user name to UID.
func UserNameToUID(name string) (string, error) {
u, err := user.Lookup(name)
if err != nil {
return "", err
}
return u.Uid, nil
}