89 lines
1.7 KiB
Go
89 lines
1.7 KiB
Go
// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.
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package resource
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import (
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"os/user"
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"strconv"
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"regexp"
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"log/slog"
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)
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var MatchId *regexp.Regexp = regexp.MustCompile(`^[0-9]+$`)
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func LookupUIDString(userName string) string {
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user, userLookupErr := user.Lookup(userName)
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if userLookupErr != nil {
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return ""
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}
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return user.Uid
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}
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func LookupUID(userName string) (int, error) {
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var userLookupErr error
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var UID string
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if MatchId.MatchString(userName) {
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user, err := user.LookupId(userName)
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slog.Info("LookupUID() numeric", "user", user, "userLookupErr", err)
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if err != nil {
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userLookupErr = err
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UID = userName
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} else {
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UID = user.Uid
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}
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} else {
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if user, err := user.Lookup(userName); err != nil {
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return -1, err
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} else {
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UID = user.Uid
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}
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}
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uid, uidErr := strconv.Atoi(UID)
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slog.Info("LookupUID()", "uid", uid, "uidErr", uidErr)
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if uidErr != nil {
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if userLookupErr != nil {
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return -1, userLookupErr
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} else {
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return -1, uidErr
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}
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}
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return uid, userLookupErr
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}
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func LookupGID(groupName string) (int, error) {
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var GID string
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if MatchId.MatchString(groupName) {
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group, groupLookupErr := user.LookupGroupId(groupName)
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if groupLookupErr != nil {
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//return -1, groupLookupErr
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GID = groupName
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} else {
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GID = group.Gid
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}
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} else {
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group, groupLookupErr := user.LookupGroup(groupName)
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if groupLookupErr != nil {
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return -1, groupLookupErr
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}
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GID = group.Gid
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}
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gid, gidErr := strconv.Atoi(GID)
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if gidErr != nil {
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return -1, gidErr
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}
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return gid, nil
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}
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func LookupGIDString(groupName string) string {
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group, groupLookupErr := user.LookupGroup(groupName)
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if groupLookupErr != nil {
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return ""
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}
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return group.Gid
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}
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