/
groups.go
52 lines (42 loc) · 1.1 KB
/
groups.go
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package providers
import (
"fmt"
"github.com/enfabrica/enkit/lib/logger"
"github.com/enfabrica/enkit/lib/oauth"
"golang.org/x/oauth2"
"regexp"
)
func NewGroupsKeeperFactory(keep, rename string) (oauth.VerifierFactory, error) {
var keepr *regexp.Regexp
var err error
if keep != "" {
keepr, err = regexp.Compile(keep)
if err != nil {
return nil, fmt.Errorf("could not compile keep regexp '%s': %w", keep, err)
}
}
return func(conf *oauth2.Config) (oauth.Verifier, error) {
return &GroupsKeeper{keep: keepr, rename: rename}, nil
}, nil
}
type GroupsKeeper struct {
keep *regexp.Regexp
rename string
}
func (gk *GroupsKeeper) Scopes() []string {
return nil
}
func (gk *GroupsKeeper) Verify(log logger.Logger, identity *oauth.Identity, tok *oauth2.Token) (*oauth.Identity, error) {
newgroups := []string{}
for _, group := range identity.Groups {
if gk.keep != nil && !gk.keep.MatchString(group) {
continue
}
if gk.rename != "" {
group = gk.keep.ReplaceAllString(group, gk.rename)
}
newgroups = append(newgroups, group)
}
identity.Groups = newgroups
return identity, nil
}