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zeekayandHanzo Dev
aa87442fdd
Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
90 lines
2.3 KiB
Go
90 lines
2.3 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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package lfs
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import (
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"bytes"
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"context"
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"io"
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"net/http"
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"github.com/hanzoai/git/modules/json"
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"github.com/hanzoai/git/modules/log"
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)
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// TransferAdapter represents an adapter for downloading/uploading LFS objects.
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type TransferAdapter interface {
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Name() string
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Download(ctx context.Context, l *Link) (io.ReadCloser, error)
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Upload(ctx context.Context, l *Link, p Pointer, r io.Reader) error
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Verify(ctx context.Context, l *Link, p Pointer) error
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}
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// BasicTransferAdapter implements the "basic" adapter.
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type BasicTransferAdapter struct {
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client *http.Client
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}
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// Name returns the name of the adapter.
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func (a *BasicTransferAdapter) Name() string {
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return "basic"
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}
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// Download reads the download location and downloads the data.
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func (a *BasicTransferAdapter) Download(ctx context.Context, l *Link) (io.ReadCloser, error) {
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req, err := createRequest(ctx, http.MethodGet, l.Href, l.Header, nil)
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if err != nil {
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return nil, err
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}
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log.Debug("Download Request: %+v", req)
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resp, err := performRequest(ctx, a.client, req)
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if err != nil {
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return nil, err
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}
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return resp.Body, nil
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}
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// Upload sends the content to the LFS server.
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func (a *BasicTransferAdapter) Upload(ctx context.Context, l *Link, p Pointer, r io.Reader) error {
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req, err := createRequest(ctx, http.MethodPut, l.Href, l.Header, r)
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if err != nil {
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return err
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}
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if req.Header.Get("Content-Type") == "" {
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req.Header.Set("Content-Type", "application/octet-stream")
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}
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if req.Header.Get("Transfer-Encoding") == "chunked" {
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req.TransferEncoding = []string{"chunked"}
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}
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req.ContentLength = p.Size
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res, err := performRequest(ctx, a.client, req)
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if err != nil {
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return err
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}
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defer res.Body.Close()
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return nil
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}
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// Verify calls the verify handler on the LFS server
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func (a *BasicTransferAdapter) Verify(ctx context.Context, l *Link, p Pointer) error {
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b, err := json.Marshal(p)
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if err != nil {
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log.Error("Error encoding json: %v", err)
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return err
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}
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req, err := createRequest(ctx, http.MethodPost, l.Href, l.Header, bytes.NewReader(b))
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if err != nil {
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return err
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}
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req.Header.Set("Content-Type", MediaType)
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res, err := performRequest(ctx, a.client, req)
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if err != nil {
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return err
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}
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defer res.Body.Close()
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return nil
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}
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