veryroundbird.house
1package spindle
2
3import (
4 "context"
5 "encoding/json"
6 "errors"
7 "fmt"
8 "time"
9
10 "tangled.sh/tangled.sh/core/api/tangled"
11 "tangled.sh/tangled.sh/core/eventconsumer"
12 "tangled.sh/tangled.sh/core/idresolver"
13 "tangled.sh/tangled.sh/core/rbac"
14 "tangled.sh/tangled.sh/core/spindle/db"
15
16 comatproto "github.com/bluesky-social/indigo/api/atproto"
17 "github.com/bluesky-social/indigo/atproto/identity"
18 "github.com/bluesky-social/indigo/atproto/syntax"
19 "github.com/bluesky-social/indigo/xrpc"
20 "github.com/bluesky-social/jetstream/pkg/models"
21 securejoin "github.com/cyphar/filepath-securejoin"
22)
23
24type Ingester func(ctx context.Context, e *models.Event) error
25
26func (s *Spindle) ingest() Ingester {
27 return func(ctx context.Context, e *models.Event) error {
28 var err error
29 defer func() {
30 eventTime := e.TimeUS
31 lastTimeUs := eventTime + 1
32 if err := s.db.SaveLastTimeUs(lastTimeUs); err != nil {
33 err = fmt.Errorf("(deferred) failed to save last time us: %w", err)
34 }
35 }()
36
37 if e.Kind != models.EventKindCommit {
38 return nil
39 }
40
41 switch e.Commit.Collection {
42 case tangled.SpindleMemberNSID:
43 s.ingestMember(ctx, e)
44 case tangled.RepoNSID:
45 s.ingestRepo(ctx, e)
46 case tangled.RepoCollaboratorNSID:
47 s.ingestCollaborator(ctx, e)
48 }
49
50 return err
51 }
52}
53
54func (s *Spindle) ingestMember(_ context.Context, e *models.Event) error {
55 var err error
56 did := e.Did
57 rkey := e.Commit.RKey
58
59 l := s.l.With("component", "ingester", "record", tangled.SpindleMemberNSID)
60
61 switch e.Commit.Operation {
62 case models.CommitOperationCreate, models.CommitOperationUpdate:
63 raw := e.Commit.Record
64 record := tangled.SpindleMember{}
65 err = json.Unmarshal(raw, &record)
66 if err != nil {
67 l.Error("invalid record", "error", err)
68 return err
69 }
70
71 domain := s.cfg.Server.Hostname
72 recordInstance := record.Instance
73
74 if recordInstance != domain {
75 l.Error("domain mismatch", "domain", recordInstance, "expected", domain)
76 return fmt.Errorf("domain mismatch: %s != %s", record.Instance, domain)
77 }
78
79 ok, err := s.e.IsSpindleInviteAllowed(did, rbacDomain)
80 if err != nil || !ok {
81 l.Error("failed to add member", "did", did, "error", err)
82 return fmt.Errorf("failed to enforce permissions: %w", err)
83 }
84
85 if err := db.AddSpindleMember(s.db, db.SpindleMember{
86 Did: syntax.DID(did),
87 Rkey: rkey,
88 Instance: recordInstance,
89 Subject: syntax.DID(record.Subject),
90 Created: time.Now(),
91 }); err != nil {
92 l.Error("failed to add member", "error", err)
93 return fmt.Errorf("failed to add member: %w", err)
94 }
95
96 if err := s.e.AddSpindleMember(rbacDomain, record.Subject); err != nil {
97 l.Error("failed to add member", "error", err)
98 return fmt.Errorf("failed to add member: %w", err)
99 }
100 l.Info("added member from firehose", "member", record.Subject)
101
102 if err := s.db.AddDid(record.Subject); err != nil {
103 l.Error("failed to add did", "error", err)
104 return fmt.Errorf("failed to add did: %w", err)
105 }
106 s.jc.AddDid(record.Subject)
107
108 return nil
109
110 case models.CommitOperationDelete:
111 record, err := db.GetSpindleMember(s.db, did, rkey)
112 if err != nil {
113 l.Error("failed to find member", "error", err)
114 return fmt.Errorf("failed to find member: %w", err)
115 }
116
117 if err := db.RemoveSpindleMember(s.db, did, rkey); err != nil {
118 l.Error("failed to remove member", "error", err)
119 return fmt.Errorf("failed to remove member: %w", err)
120 }
121
122 if err := s.e.RemoveSpindleMember(rbacDomain, record.Subject.String()); err != nil {
123 l.Error("failed to add member", "error", err)
124 return fmt.Errorf("failed to add member: %w", err)
125 }
126 l.Info("added member from firehose", "member", record.Subject)
127
128 if err := s.db.RemoveDid(record.Subject.String()); err != nil {
129 l.Error("failed to add did", "error", err)
130 return fmt.Errorf("failed to add did: %w", err)
131 }
132 s.jc.RemoveDid(record.Subject.String())
133
134 }
135 return nil
136}
137
138func (s *Spindle) ingestRepo(ctx context.Context, e *models.Event) error {
139 var err error
140 did := e.Did
141 resolver := idresolver.DefaultResolver()
142
143 l := s.l.With("component", "ingester", "record", tangled.RepoNSID)
144
145 l.Info("ingesting repo record")
146
147 switch e.Commit.Operation {
148 case models.CommitOperationCreate, models.CommitOperationUpdate:
149 raw := e.Commit.Record
150 record := tangled.Repo{}
151 err = json.Unmarshal(raw, &record)
152 if err != nil {
153 l.Error("invalid record", "error", err)
154 return err
155 }
156
157 domain := s.cfg.Server.Hostname
158
159 // no spindle configured for this repo
160 if record.Spindle == nil {
161 l.Info("no spindle configured", "did", record.Owner, "name", record.Name)
162 return nil
163 }
164
165 // this repo did not want this spindle
166 if *record.Spindle != domain {
167 l.Info("different spindle configured", "did", record.Owner, "name", record.Name, "spindle", *record.Spindle, "domain", domain)
168 return nil
169 }
170
171 // add this repo to the watch list
172 if err := s.db.AddRepo(record.Knot, record.Owner, record.Name); err != nil {
173 l.Error("failed to add repo", "error", err)
174 return fmt.Errorf("failed to add repo: %w", err)
175 }
176
177 didSlashRepo, err := securejoin.SecureJoin(record.Owner, record.Name)
178 if err != nil {
179 return err
180 }
181
182 // add repo to rbac
183 if err := s.e.AddRepo(record.Owner, rbac.ThisServer, didSlashRepo); err != nil {
184 l.Error("failed to add repo to enforcer", "error", err)
185 return fmt.Errorf("failed to add repo: %w", err)
186 }
187
188 // add collaborators to rbac
189 owner, err := resolver.ResolveIdent(ctx, did)
190 if err != nil || owner.Handle.IsInvalidHandle() {
191 return err
192 }
193 if err := s.fetchAndAddCollaborators(ctx, owner, didSlashRepo); err != nil {
194 return err
195 }
196
197 // add this knot to the event consumer
198 src := eventconsumer.NewKnotSource(record.Knot)
199 s.ks.AddSource(context.Background(), src)
200
201 return nil
202
203 }
204 return nil
205}
206
207func (s *Spindle) ingestCollaborator(ctx context.Context, e *models.Event) error {
208 var err error
209
210 l := s.l.With("component", "ingester", "record", tangled.RepoCollaboratorNSID, "did", e.Did)
211
212 l.Info("ingesting collaborator record")
213
214 switch e.Commit.Operation {
215 case models.CommitOperationCreate, models.CommitOperationUpdate:
216 raw := e.Commit.Record
217 record := tangled.RepoCollaborator{}
218 err = json.Unmarshal(raw, &record)
219 if err != nil {
220 l.Error("invalid record", "error", err)
221 return err
222 }
223
224 resolver := idresolver.DefaultResolver()
225
226 subjectId, err := resolver.ResolveIdent(ctx, record.Subject)
227 if err != nil || subjectId.Handle.IsInvalidHandle() {
228 return err
229 }
230
231 repoAt, err := syntax.ParseATURI(record.Repo)
232 if err != nil {
233 l.Info("rejecting record, invalid repoAt", "repoAt", record.Repo)
234 return nil
235 }
236
237 // TODO: get rid of this entirely
238 // resolve this aturi to extract the repo record
239 owner, err := resolver.ResolveIdent(ctx, repoAt.Authority().String())
240 if err != nil || owner.Handle.IsInvalidHandle() {
241 return fmt.Errorf("failed to resolve handle: %w", err)
242 }
243
244 xrpcc := xrpc.Client{
245 Host: owner.PDSEndpoint(),
246 }
247
248 resp, err := comatproto.RepoGetRecord(ctx, &xrpcc, "", tangled.RepoNSID, repoAt.Authority().String(), repoAt.RecordKey().String())
249 if err != nil {
250 return err
251 }
252
253 repo := resp.Value.Val.(*tangled.Repo)
254 didSlashRepo, _ := securejoin.SecureJoin(owner.DID.String(), repo.Name)
255
256 // check perms for this user
257 if ok, err := s.e.IsCollaboratorInviteAllowed(owner.DID.String(), rbac.ThisServer, didSlashRepo); !ok || err != nil {
258 return fmt.Errorf("insufficient permissions: %w", err)
259 }
260
261 // add collaborator to rbac
262 if err := s.e.AddCollaborator(record.Subject, rbac.ThisServer, didSlashRepo); err != nil {
263 l.Error("failed to add repo to enforcer", "error", err)
264 return fmt.Errorf("failed to add repo: %w", err)
265 }
266
267 return nil
268 }
269 return nil
270}
271
272func (s *Spindle) fetchAndAddCollaborators(ctx context.Context, owner *identity.Identity, didSlashRepo string) error {
273 l := s.l.With("component", "ingester", "handler", "fetchAndAddCollaborators")
274
275 l.Info("fetching and adding existing collaborators")
276
277 xrpcc := xrpc.Client{
278 Host: owner.PDSEndpoint(),
279 }
280
281 resp, err := comatproto.RepoListRecords(ctx, &xrpcc, tangled.RepoCollaboratorNSID, "", 50, owner.DID.String(), false)
282 if err != nil {
283 return err
284 }
285
286 var errs error
287 for _, r := range resp.Records {
288 if r == nil {
289 continue
290 }
291 record := r.Value.Val.(*tangled.RepoCollaborator)
292
293 if err := s.e.AddCollaborator(record.Subject, rbac.ThisServer, didSlashRepo); err != nil {
294 l.Error("failed to add repo to enforcer", "error", err)
295 errors.Join(errs, fmt.Errorf("failed to add repo: %w", err))
296 }
297 }
298
299 return errs
300}