126 lines
3.1 KiB
Go
126 lines
3.1 KiB
Go
/*
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* Copyright 2026 Oleg Borodin <onborodin@gmail.com>
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*
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* This work is published and licensed under a Creative Commons
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* Attribution-NonCommercial-NoDerivatives 4.0 International License.
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*
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* Distribution of this work is permitted, but commercial use and
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* modifications are strictly prohibited.
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*/
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package fileoper
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import (
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"bytes"
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"context"
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"encoding/json"
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"io"
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"net/http"
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"path"
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"strconv"
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"mstore/pkg/auxtool"
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"mstore/pkg/terms"
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yaml "go.yaml.in/yaml/v4"
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chart "helm.sh/helm/v4/pkg/chart/v2"
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repo "helm.sh/helm/v4/pkg/repo/v1"
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)
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// GetFile
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type GetFileParams struct {
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Filepath string
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}
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type GetFileResult struct {
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ContentType string
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ContentSize string
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ContentDigest string
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Source io.ReadCloser
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ContentCreatedAt string
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ContentCreatedBy string
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ContentUpdatedAt string
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ContentUpdatedBy string
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}
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func (oper *Operator) GetFile(ctx context.Context, operatorID string, params *GetFileParams) (int, *GetFileResult, error) {
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var err error
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res := &GetFileResult{}
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xfilepath, err := cleanFilepath(params.Filepath)
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if err != nil {
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code := http.StatusInternalServerError
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return code, res, err
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}
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filename := path.Base(xfilepath)
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collection := path.Dir(xfilepath)
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resName := params.Filepath
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oper.iLock.WaitAndLock(resName)
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defer oper.iLock.Done(resName)
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if filename != "index.yaml" {
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descrExists, fileDescr, err := oper.mdb.GetFileByCollectionName(ctx, collection, filename)
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if err != nil {
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code := http.StatusInternalServerError
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return code, res, err
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}
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if !descrExists {
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code := http.StatusNotFound
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return code, res, err
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}
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reader, err := oper.store.GetFileReader(collection, filename)
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if err != nil {
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code := http.StatusInternalServerError
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return code, res, err
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}
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res = &GetFileResult{
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ContentSize: strconv.FormatInt(fileDescr.Size, 10),
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ContentType: fileDescr.Type,
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ContentDigest: fileDescr.Checksum,
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Source: reader,
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ContentCreatedAt: fileDescr.CreatedAt,
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ContentCreatedBy: fileDescr.CreatedBy,
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ContentUpdatedAt: fileDescr.UpdatedAt,
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ContentUpdatedBy: fileDescr.UpdatedBy,
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}
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code := http.StatusOK
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return code, res, err
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}
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fileDescrs, err := oper.mdb.ListFilesByCollection(ctx, collection)
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index := repo.NewIndexFile()
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for _, descr := range fileDescrs {
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if descr.Type == hcMediaType {
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meta := &chart.Metadata{}
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oper.logg.Debugf("=== %s", descr.HelmMeta)
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err = json.Unmarshal([]byte(descr.HelmMeta), meta)
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if err != nil {
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code := http.StatusInternalServerError
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return code, res, err
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}
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index.MustAdd(meta, descr.Name, "aaa", descr.HelmHash)
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}
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}
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indexdata, err := yaml.Marshal(index)
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if err != nil {
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code := http.StatusInternalServerError
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return code, res, err
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}
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reader := io.NopCloser(bytes.NewReader(indexdata))
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now := auxtool.TimeNow()
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size := int64(len(indexdata))
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res = &GetFileResult{
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ContentSize: strconv.FormatInt(size, 10),
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ContentType: "application/yaml",
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Source: reader,
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ContentCreatedAt: now,
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ContentCreatedBy: terms.ServerID,
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ContentUpdatedAt: now,
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ContentUpdatedBy: terms.ServerID,
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}
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code := http.StatusOK
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return code, res, err
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}
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