Files

38 lines
772 B
Go

package owner
import (
"context"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/peer"
)
// UnixAuthInfo implements credentials.AuthInfo carrying the peer's UID from SO_PEERCRED.
type UnixAuthInfo struct {
credentials.CommonAuthInfo
UID UID
GID uint32
PID int32
}
// AuthType returns the authentication type.
func (u UnixAuthInfo) AuthType() string {
return "unix_peercred"
}
// UIDFromContext extracts the caller's UID from the gRPC peer context.
// Returns uid and true if Unix credentials were available, 0 and false otherwise.
func UIDFromContext(ctx context.Context) (UID, bool) {
p, ok := peer.FromContext(ctx)
if !ok {
return 0, false
}
info, ok := p.AuthInfo.(UnixAuthInfo)
if !ok {
return 0, false
}
return info.UID, true
}