81 lines
2.2 KiB
Go
81 lines
2.2 KiB
Go
/*
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* Copyright 2026 Oleg Borodin <onborodin@gmail.com>
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*/
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package imageoper
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import (
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"context"
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"fmt"
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"io"
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"net/http"
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"strconv"
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)
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type PatchUploadParams struct {
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ContentType string
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ContentLength string
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ContentRange string
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Name string
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Reference string
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Reader io.Reader
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}
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type PatchUploadResult struct {
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Location string
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Range string
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}
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// TODO: partial uploading by range? Does anyone use this?
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func (oper *Operator) PatchUpload(ctx context.Context, operatorID string, params *PatchUploadParams) (*PatchUploadResult, int, error) {
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var err error
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res := &PatchUploadResult{}
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if params.Reference == "" {
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err = fmt.Errorf("Empty reference")
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return res, http.StatusBadRequest, err
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}
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if params.Name == "" {
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err = fmt.Errorf("Empty name")
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return res, http.StatusBadRequest, err
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}
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exists, uploadSize, err := oper.store.UploadExists(params.Name, params.Reference)
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if err != nil {
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return res, http.StatusInternalServerError, err
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}
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if exists {
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res.Location = fmt.Sprintf("/v2/%s/uploads/%s", params.Name, params.Reference)
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res.Range = fmt.Sprintf("0-%d", uploadSize-1)
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return res, http.StatusNoContent, err
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}
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if params.ContentType != "application/octet-stream" {
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err = fmt.Errorf("Wrong Conten-Type header: %s", params.ContentType)
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return res, http.StatusBadRequest, err
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}
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var contentLength int64
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// Unfortunately, podman and github.com/containers/image don't sent
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// Content-Length header for docker transport
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if params.ContentLength != "" {
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contentLength, err = strconv.ParseInt(params.ContentLength, 10, 64)
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if err != nil {
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err = fmt.Errorf("Wrong Content-length header")
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return res, http.StatusBadRequest, err
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}
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}
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recsize, err := oper.store.WriteUpload(params.Reference, params.Reader)
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if err != nil {
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return res, http.StatusInternalServerError, err
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}
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if contentLength != 0 && recsize != contentLength {
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oper.store.RemoveUpload(params.Reference)
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err = fmt.Errorf("Mismatch upload recorded size and content length")
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return res, http.StatusInternalServerError, err
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}
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res.Location = fmt.Sprintf("/v2/%s/uploads/%s", params.Name, params.Reference)
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res.Range = fmt.Sprintf("0-%d", recsize-1)
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return res, http.StatusAccepted, err
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}
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