alexkappa/terraform-provider-auth0

package validation

import (
    "fmt"
    "net/url"
)

// IsURLWithNoFragment is a SchemaValidateFunc which tests if the provided value
// is of type string and a valid URL with no fragment.
func IsURLWithNoFragment(i interface{}, k string) (warnings []string, errors []error) {

    v, ok := i.(string)
    if !ok {
        errors = append(errors, fmt.Errorf("expected type of %q to be string", k))
        return
    }

    if v == "" {
        errors = append(errors, fmt.Errorf("expected %q url to not be empty, got %v", k, i))
        return
    }

    u, err := url.Parse(v)
    if err != nil {
        errors = append(errors, fmt.Errorf("expected %q to be a valid url, got %v: %+v", k, v, err))
        return
    }

    if u.Host == "" {
        errors = append(errors, fmt.Errorf("expected %q to have a host, got %v", k, v))
        return
    }

    if u.Fragment != "" {
        errors = append(errors, fmt.Errorf("expected %q to have a url with an empty fragment. %s", k, v))
    }

    return
}