mirror of
https://github.com/yunionio/cloudpods.git
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63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
// Copyright 2019 Yunion
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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 downloader
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import (
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"net/http"
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"yunion.io/x/onecloud/pkg/util/fileutils2"
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)
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type SSnapshotDownloadProvider struct {
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*SDownloadProvider
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snapshotPath string
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}
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func NewSnapshotDownloadProvider(
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w http.ResponseWriter, compress bool, rateLimit int, snapshotPath string,
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) *SSnapshotDownloadProvider {
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return &SSnapshotDownloadProvider{
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SDownloadProvider: NewDownloadProvider(w, compress, rateLimit),
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snapshotPath: snapshotPath,
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}
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}
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func (s *SSnapshotDownloadProvider) getHeaders() http.Header {
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hdrs := http.Header{}
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hdrs.Set("X-Image-Meta-Disk_format", "")
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return hdrs
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}
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func (s *SSnapshotDownloadProvider) HandlerHead() error {
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headers := s.getHeaders()
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if fileutils2.Exists(s.snapshotPath) {
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chksum, err := fileutils2.MD5(s.snapshotPath)
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if err != nil {
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return err
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}
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headers.Set("X-Image-Meta-Checksum", chksum)
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}
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s.w.WriteHeader(200)
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return nil
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}
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func (s *SSnapshotDownloadProvider) downloadFilePath() string {
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return s.snapshotPath
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}
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func (s *SSnapshotDownloadProvider) Start() error {
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return s.SDownloadProvider.Start(nil, nil, s.downloadFilePath(), s.getHeaders())
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}
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