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Monorepo for Tangled
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Go
at ci-statuses
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import ( "context" "encoding/json" "errors" "fmt" "time"
"tangled.org/core/api/tangled" "tangled.org/core/eventconsumer" "tangled.org/core/idresolver" "tangled.org/core/rbac" "tangled.org/core/spindle/db"
comatproto "github.com/bluesky-social/indigo/api/atproto" "github.com/bluesky-social/indigo/atproto/identity" "github.com/bluesky-social/indigo/atproto/syntax" "github.com/bluesky-social/indigo/xrpc" "github.com/bluesky-social/jetstream/pkg/models" securejoin "github.com/cyphar/filepath-securejoin")
type Ingester func(ctx context.Context, e *models.Event) error
func (s *Spindle) ingest() Ingester { return func(ctx context.Context, e *models.Event) error { var err error defer func() { eventTime := e.TimeUS lastTimeUs := eventTime + 1 if err := s.db.SaveLastTimeUs(lastTimeUs); err != nil { err = fmt.Errorf("(deferred) failed to save last time us: %w", err) } }()
if e.Kind != models.EventKindCommit { return nil }
switch e.Commit.Collection { case tangled.SpindleMemberNSID: err = s.ingestMember(ctx, e) case tangled.RepoNSID: err = s.ingestRepo(ctx, e) case tangled.RepoCollaboratorNSID: err = s.ingestCollaborator(ctx, e) }
if err != nil { s.l.Debug("failed to process message", "nsid", e.Commit.Collection, "err", err) }
return nil }}
func (s *Spindle) ingestMember(_ context.Context, e *models.Event) error { var err error did := e.Did rkey := e.Commit.RKey
l := s.l.With("component", "ingester", "record", tangled.SpindleMemberNSID)
switch e.Commit.Operation { case models.CommitOperationCreate, models.CommitOperationUpdate: raw := e.Commit.Record record := tangled.SpindleMember{} err = json.Unmarshal(raw, &record) if err != nil { l.Error("invalid record", "error", err) return err }
domain := s.cfg.Server.Hostname recordInstance := record.Instance
if recordInstance != domain { l.Error("domain mismatch", "domain", recordInstance, "expected", domain) return fmt.Errorf("domain mismatch: %s != %s", record.Instance, domain) }
ok, err := s.e.IsSpindleInviteAllowed(did, rbacDomain) if err != nil || !ok { l.Error("failed to add member", "did", did, "error", err) return fmt.Errorf("failed to enforce permissions: %w", err) }
if err := db.AddSpindleMember(s.db, db.SpindleMember{ Did: syntax.DID(did), Rkey: rkey, Instance: recordInstance, Subject: syntax.DID(record.Subject), Created: time.Now(), }); err != nil { l.Error("failed to add member", "error", err) return fmt.Errorf("failed to add member: %w", err) }
if err := s.e.AddSpindleMember(rbacDomain, record.Subject); err != nil { l.Error("failed to add member", "error", err) return fmt.Errorf("failed to add member: %w", err) } l.Info("added member from firehose", "member", record.Subject)
if err := s.db.AddDid(record.Subject); err != nil { l.Error("failed to add did", "error", err) return fmt.Errorf("failed to add did: %w", err) } s.jc.AddDid(record.Subject)
return nil
case models.CommitOperationDelete: record, err := db.GetSpindleMember(s.db, did, rkey) if err != nil { l.Error("failed to find member", "error", err) return fmt.Errorf("failed to find member: %w", err) }
if err := db.RemoveSpindleMember(s.db, did, rkey); err != nil { l.Error("failed to remove member", "error", err) return fmt.Errorf("failed to remove member: %w", err) }
if err := s.e.RemoveSpindleMember(rbacDomain, record.Subject.String()); err != nil { l.Error("failed to add member", "error", err) return fmt.Errorf("failed to add member: %w", err) } l.Info("added member from firehose", "member", record.Subject)
if err := s.db.RemoveDid(record.Subject.String()); err != nil { l.Error("failed to add did", "error", err) return fmt.Errorf("failed to add did: %w", err) } s.jc.RemoveDid(record.Subject.String())
} return nil}
func (s *Spindle) ingestRepo(ctx context.Context, e *models.Event) error { var err error did := e.Did resolver := idresolver.DefaultResolver()
l := s.l.With("component", "ingester", "record", tangled.RepoNSID)
l.Info("ingesting repo record", "did", did)
switch e.Commit.Operation { case models.CommitOperationCreate, models.CommitOperationUpdate: raw := e.Commit.Record record := tangled.Repo{} err = json.Unmarshal(raw, &record) if err != nil { l.Error("invalid record", "error", err) return err }
domain := s.cfg.Server.Hostname
// no spindle configured for this repo if record.Spindle == nil { l.Info("no spindle configured", "name", record.Name) return nil }
// this repo did not want this spindle if *record.Spindle != domain { l.Info("different spindle configured", "name", record.Name, "spindle", *record.Spindle, "domain", domain) return nil }
// add this repo to the watch list if err := s.db.AddRepo(record.Knot, did, record.Name); err != nil { l.Error("failed to add repo", "error", err) return fmt.Errorf("failed to add repo: %w", err) }
didSlashRepo, err := securejoin.SecureJoin(did, record.Name) if err != nil { return err }
// add repo to rbac if err := s.e.AddRepo(did, rbac.ThisServer, didSlashRepo); err != nil { l.Error("failed to add repo to enforcer", "error", err) return fmt.Errorf("failed to add repo: %w", err) }
// add collaborators to rbac owner, err := resolver.ResolveIdent(ctx, did) if err != nil || owner.Handle.IsInvalidHandle() { return err } if err := s.fetchAndAddCollaborators(ctx, owner, didSlashRepo); err != nil { return err }
// add this knot to the event consumer src := eventconsumer.NewKnotSource(record.Knot) s.ks.AddSource(context.Background(), src)
return nil
} return nil}
func (s *Spindle) ingestCollaborator(ctx context.Context, e *models.Event) error { var err error
l := s.l.With("component", "ingester", "record", tangled.RepoCollaboratorNSID, "did", e.Did)
l.Info("ingesting collaborator record")
switch e.Commit.Operation { case models.CommitOperationCreate, models.CommitOperationUpdate: raw := e.Commit.Record record := tangled.RepoCollaborator{} err = json.Unmarshal(raw, &record) if err != nil { l.Error("invalid record", "error", err) return err }
resolver := idresolver.DefaultResolver()
subjectId, err := resolver.ResolveIdent(ctx, record.Subject) if err != nil || subjectId.Handle.IsInvalidHandle() { return err }
repoAt, err := syntax.ParseATURI(record.Repo) if err != nil { l.Info("rejecting record, invalid repoAt", "repoAt", record.Repo) return nil }
// TODO: get rid of this entirely // resolve this aturi to extract the repo record owner, err := resolver.ResolveIdent(ctx, repoAt.Authority().String()) if err != nil || owner.Handle.IsInvalidHandle() { return fmt.Errorf("failed to resolve handle: %w", err) }
xrpcc := xrpc.Client{ Host: owner.PDSEndpoint(), }
resp, err := comatproto.RepoGetRecord(ctx, &xrpcc, "", tangled.RepoNSID, repoAt.Authority().String(), repoAt.RecordKey().String()) if err != nil { return err }
repo := resp.Value.Val.(*tangled.Repo) didSlashRepo, _ := securejoin.SecureJoin(owner.DID.String(), repo.Name)
// check perms for this user if ok, err := s.e.IsCollaboratorInviteAllowed(owner.DID.String(), rbac.ThisServer, didSlashRepo); !ok || err != nil { return fmt.Errorf("insufficient permissions: %w", err) }
// add collaborator to rbac if err := s.e.AddCollaborator(record.Subject, rbac.ThisServer, didSlashRepo); err != nil { l.Error("failed to add repo to enforcer", "error", err) return fmt.Errorf("failed to add repo: %w", err) }
return nil } return nil}
func (s *Spindle) fetchAndAddCollaborators(ctx context.Context, owner *identity.Identity, didSlashRepo string) error { l := s.l.With("component", "ingester", "handler", "fetchAndAddCollaborators")
l.Info("fetching and adding existing collaborators")
xrpcc := xrpc.Client{ Host: owner.PDSEndpoint(), }
resp, err := comatproto.RepoListRecords(ctx, &xrpcc, tangled.RepoCollaboratorNSID, "", 50, owner.DID.String(), false) if err != nil { return err }
var errs error for _, r := range resp.Records { if r == nil { continue } record := r.Value.Val.(*tangled.RepoCollaborator)
if err := s.e.AddCollaborator(record.Subject, rbac.ThisServer, didSlashRepo); err != nil { l.Error("failed to add repo to enforcer", "error", err) errors.Join(errs, fmt.Errorf("failed to add repo: %w", err)) } }
return errs}