grafana/pkg/social/common.go

package social

import (
	"fmt"
	"strings"
)

func isEmailAllowed(email string, allowedDomains []string) bool {
	if len(allowedDomains) == 0 {
		return true
	}

	valid := false
	for _, domain := range allowedDomains {
		emailSuffix := fmt.Sprintf("@%s", domain)
		valid = valid || strings.HasSuffix(email, emailSuffix)
	}

	return valid
}