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40 lines
1.2 KiB
40 lines
1.2 KiB
/*
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Copyright The Helm 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 plugin
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import (
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"path/filepath"
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"helm.sh/helm/v4/pkg/provenance"
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)
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// VerifyPlugin verifies plugin data against a signature using data in memory.
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func VerifyPlugin(archiveData, provData []byte, filename, keyring string) (*provenance.Verification, error) {
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// Create signatory from keyring
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sig, err := provenance.NewFromKeyring(keyring, "")
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if err != nil {
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return nil, err
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}
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// Use the new VerifyData method directly
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return sig.Verify(archiveData, provData, filename)
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}
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// isTarball checks if a file has a tarball extension
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func IsTarball(filename string) bool {
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return filepath.Ext(filename) == ".gz" || filepath.Ext(filename) == ".tgz"
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}
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