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44 lines
1.1 KiB
44 lines
1.1 KiB
// Copyright 2019 clair authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package clair
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import (
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"context"
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"io"
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"net/http"
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"os"
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"strings"
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"github.com/coreos/clair/pkg/httputil"
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)
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func retrieveLayerBlob(ctx context.Context, path string, headers map[string]string) (io.ReadCloser, error) {
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if strings.HasPrefix(path, "http://") || strings.HasPrefix(path, "https://") {
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httpHeaders := make(http.Header)
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for key, value := range headers {
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httpHeaders[key] = []string{value}
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}
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reader, err := httputil.GetWithContext(ctx, path, httpHeaders)
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if err != nil {
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return nil, err
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}
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return reader, nil
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}
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return os.Open(path)
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}
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