hailey.at
An atproto PDS written in Go
1package server
2
3import (
4 "context"
5 "strings"
6 "time"
7
8 "github.com/Azure/go-autorest/autorest/to"
9 "github.com/bluesky-social/indigo/api/atproto"
10 "github.com/bluesky-social/indigo/atproto/crypto"
11 "github.com/bluesky-social/indigo/events"
12 "github.com/bluesky-social/indigo/util"
13 "github.com/haileyok/cocoon/identity"
14 "github.com/haileyok/cocoon/internal/helpers"
15 "github.com/haileyok/cocoon/models"
16 "github.com/haileyok/cocoon/plc"
17 "github.com/labstack/echo/v4"
18)
19
20type ComAtprotoIdentityUpdateHandleRequest struct {
21 Handle string `json:"handle" validate:"atproto-handle"`
22}
23
24func (s *Server) handleIdentityUpdateHandle(e echo.Context) error {
25 repo := e.Get("repo").(*models.RepoActor)
26
27 var req ComAtprotoIdentityUpdateHandleRequest
28 if err := e.Bind(&req); err != nil {
29 s.logger.Error("error binding", "error", err)
30 return helpers.ServerError(e, nil)
31 }
32
33 req.Handle = strings.ToLower(req.Handle)
34
35 if err := e.Validate(req); err != nil {
36 return helpers.InputError(e, nil)
37 }
38
39 ctx := context.WithValue(e.Request().Context(), "skip-cache", true)
40
41 if strings.HasPrefix(repo.Repo.Did, "did:plc:") {
42 log, err := identity.FetchDidAuditLog(ctx, nil, repo.Repo.Did)
43 if err != nil {
44 s.logger.Error("error fetching doc", "error", err)
45 return helpers.ServerError(e, nil)
46 }
47
48 latest := log[len(log)-1]
49
50 var newAka []string
51 for _, aka := range latest.Operation.AlsoKnownAs {
52 if aka == "at://"+repo.Handle {
53 continue
54 }
55 newAka = append(newAka, aka)
56 }
57
58 newAka = append(newAka, "at://"+req.Handle)
59
60 op := plc.Operation{
61 Type: "plc_operation",
62 VerificationMethods: latest.Operation.VerificationMethods,
63 RotationKeys: latest.Operation.RotationKeys,
64 AlsoKnownAs: newAka,
65 Services: latest.Operation.Services,
66 Prev: &latest.Cid,
67 }
68
69 k, err := crypto.ParsePrivateBytesK256(repo.SigningKey)
70 if err != nil {
71 s.logger.Error("error parsing signing key", "error", err)
72 return helpers.ServerError(e, nil)
73 }
74
75 if err := s.plcClient.SignOp(k, &op); err != nil {
76 return err
77 }
78
79 if err := s.plcClient.SendOperation(e.Request().Context(), repo.Repo.Did, &op); err != nil {
80 return err
81 }
82 }
83
84 if err := s.passport.BustDoc(context.TODO(), repo.Repo.Did); err != nil {
85 s.logger.Warn("error busting did doc", "error", err)
86 }
87
88 s.evtman.AddEvent(context.TODO(), &events.XRPCStreamEvent{
89 RepoIdentity: &atproto.SyncSubscribeRepos_Identity{
90 Did: repo.Repo.Did,
91 Handle: to.StringPtr(req.Handle),
92 Seq: time.Now().UnixMicro(), // TODO: no
93 Time: time.Now().Format(util.ISO8601),
94 },
95 })
96
97 if err := s.db.Exec("UPDATE actors SET handle = ? WHERE did = ?", nil, req.Handle, repo.Repo.Did).Error; err != nil {
98 s.logger.Error("error updating handle in db", "error", err)
99 return helpers.ServerError(e, nil)
100 }
101
102 return nil
103}