66 lines
1.6 KiB
Go
66 lines
1.6 KiB
Go
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/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package authtls
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import (
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"fmt"
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"k8s.io/ingress/core/pkg/ingress/annotations/parser"
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"k8s.io/ingress/core/pkg/k8s"
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"k8s.io/kubernetes/pkg/apis/extensions"
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)
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const (
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// name of the secret
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authTLSSecret = "ingress.kubernetes.io/auth-tls-secret"
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)
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// SSLCert returns external authentication configuration for an Ingress rule
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type SSLCert struct {
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Secret string
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CertFileName string
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KeyFileName string
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CAFileName string
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PemSHA string
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}
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// ParseAnnotations parses the annotations contained in the ingress
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// rule used to use an external URL as source for authentication
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func ParseAnnotations(ing *extensions.Ingress,
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fn func(secret string) (*SSLCert, error)) (*SSLCert, error) {
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if ing.GetAnnotations() == nil {
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return &SSLCert{}, parser.ErrMissingAnnotations
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}
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str, err := parser.GetStringAnnotation(authTLSSecret, ing)
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if err != nil {
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return &SSLCert{}, err
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}
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if str == "" {
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return &SSLCert{}, fmt.Errorf("an empty string is not a valid secret name")
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}
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_, _, err = k8s.ParseNameNS(str)
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if err != nil {
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return &SSLCert{}, err
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}
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return fn(str)
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}
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