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validate_url.go
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/
validate_url.go
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// Copyright 2018 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package validate
import (
"fmt"
"net/url"
"k8s.io/apimachinery/pkg/util/validation/field"
)
// validateURL validates urls in object files follwing Go's net/url parsing rules.
func validateURL(path *field.Path, u string) *field.Error {
if u == "" {
return field.Required(path, "url field was empty")
}
_, err := url.Parse(u)
if err != nil {
return field.Invalid(path, u, fmt.Sprintf("error parsing url: %v", err))
}
return nil
}