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https://github.com/optim-enterprises-bv/kubernetes.git
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70 lines
2.2 KiB
Go
70 lines
2.2 KiB
Go
/*
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Copyright 2016 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 bootstrap
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import (
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"context"
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"time"
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"k8s.io/klog/v2"
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"k8s.io/api/core/v1"
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bootstrapapi "k8s.io/cluster-bootstrap/token/api"
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bootstrapsecretutil "k8s.io/cluster-bootstrap/util/secrets"
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)
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func validateSecretForSigning(ctx context.Context, secret *v1.Secret) (tokenID, tokenSecret string, ok bool) {
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logger := klog.FromContext(ctx)
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nameTokenID, ok := bootstrapsecretutil.ParseName(secret.Name)
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if !ok {
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logger.V(3).Info("Invalid secret name, must be of the form "+bootstrapapi.BootstrapTokenSecretPrefix+"<secret-id>", "secretName", secret.Name)
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return "", "", false
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}
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tokenID = bootstrapsecretutil.GetData(secret, bootstrapapi.BootstrapTokenIDKey)
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if len(tokenID) == 0 {
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logger.V(3).Info("No key in Secret", "key", bootstrapapi.BootstrapTokenIDKey, "secret", klog.KObj(secret))
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return "", "", false
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}
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if nameTokenID != tokenID {
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logger.V(3).Info("Token ID doesn't match secret name", "tokenID", tokenID, "secretName", secret.Name)
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return "", "", false
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}
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tokenSecret = bootstrapsecretutil.GetData(secret, bootstrapapi.BootstrapTokenSecretKey)
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if len(tokenSecret) == 0 {
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logger.V(3).Info("No key in secret", "key", bootstrapapi.BootstrapTokenSecretKey, "secret", klog.KObj(secret))
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return "", "", false
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}
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// Ensure this secret hasn't expired. The TokenCleaner should remove this
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// but if that isn't working or it hasn't gotten there yet we should check
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// here.
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if bootstrapsecretutil.HasExpired(secret, time.Now()) {
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return "", "", false
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}
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// Make sure this secret can be used for signing
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okToSign := bootstrapsecretutil.GetData(secret, bootstrapapi.BootstrapTokenUsageSigningKey)
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if okToSign != "true" {
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return "", "", false
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}
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return tokenID, tokenSecret, true
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}
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