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61 lines
1.7 KiB
Go
61 lines
1.7 KiB
Go
/*
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Copyright 2018 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 printers
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import (
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"strings"
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)
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var (
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InternalObjectPrinterErr = "a versioned object must be passed to a printer"
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// disallowedPackagePrefixes contains regular expression templates
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// for object package paths that are not allowed by printers.
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disallowedPackagePrefixes = []string{
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"k8s.io/kubernetes/pkg/apis/",
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}
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)
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var InternalObjectPreventer = &illegalPackageSourceChecker{disallowedPackagePrefixes}
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func IsInternalObjectError(err error) bool {
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if err == nil {
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return false
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}
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return err.Error() == InternalObjectPrinterErr
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}
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// illegalPackageSourceChecker compares a given
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// object's package path, and determines if the
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// object originates from a disallowed source.
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type illegalPackageSourceChecker struct {
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// disallowedPrefixes is a slice of disallowed package path
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// prefixes for a given runtime.Object that we are printing.
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disallowedPrefixes []string
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}
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func (c *illegalPackageSourceChecker) IsForbidden(pkgPath string) bool {
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for _, forbiddenPrefix := range c.disallowedPrefixes {
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if strings.HasPrefix(pkgPath, forbiddenPrefix) || strings.Contains(pkgPath, "/vendor/"+forbiddenPrefix) {
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return true
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}
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}
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return false
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}
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