hailey.at
An atproto PDS written in Go
1package server
2
3import (
4 "bytes"
5
6 "github.com/bluesky-social/indigo/carstore"
7 "github.com/haileyok/cocoon/internal/helpers"
8 "github.com/haileyok/cocoon/models"
9 "github.com/ipfs/go-cid"
10 cbor "github.com/ipfs/go-ipld-cbor"
11 "github.com/ipld/go-car"
12 "github.com/labstack/echo/v4"
13)
14
15func (s *Server) handleSyncGetRepo(e echo.Context) error {
16 did := e.QueryParam("did")
17 if did == "" {
18 return helpers.InputError(e, nil)
19 }
20
21 urepo, err := s.getRepoActorByDid(did)
22 if err != nil {
23 return err
24 }
25
26 rc, err := cid.Cast(urepo.Root)
27 if err != nil {
28 return err
29 }
30
31 hb, err := cbor.DumpObject(&car.CarHeader{
32 Roots: []cid.Cid{rc},
33 Version: 1,
34 })
35
36 buf := new(bytes.Buffer)
37
38 if _, err := carstore.LdWrite(buf, hb); err != nil {
39 s.logger.Error("error writing to car", "error", err)
40 return helpers.ServerError(e, nil)
41 }
42
43 var blocks []models.Block
44 if err := s.db.Raw("SELECT * FROM blocks WHERE did = ? ORDER BY rev ASC", nil, urepo.Repo.Did).Scan(&blocks).Error; err != nil {
45 return err
46 }
47
48 for _, block := range blocks {
49 if _, err := carstore.LdWrite(buf, block.Cid, block.Value); err != nil {
50 return err
51 }
52 }
53
54 return e.Stream(200, "application/vnd.ipld.car", bytes.NewReader(buf.Bytes()))
55}