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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149package knotserver
import ( "context" "encoding/json" "fmt" "strings"
"github.com/bluesky-social/indigo/atproto/syntax" jmodels "github.com/bluesky-social/jetstream/pkg/models" "tangled.org/core/api/tangled" "tangled.org/core/knotserver/db" knotxrpc "tangled.org/core/knotserver/xrpc" "tangled.org/core/log")
func (h *Knot) processPublicKey(ctx context.Context, event *jmodels.Event) error { l := log.FromContext(ctx).With("handler", "processPublicKey", "did", event.Did, "rkey", event.Commit.RKey) did := syntax.DID(event.Did) rkey := syntax.RecordKey(event.Commit.RKey)
switch event.Commit.Operation { case jmodels.CommitOperationCreate, jmodels.CommitOperationUpdate: var record tangled.PublicKey if err := json.Unmarshal(json.RawMessage(event.Commit.Record), &record); err != nil { return fmt.Errorf("failed to unmarshal record: %w", err) }
pk := db.PublicKey{ Did: did, Rkey: rkey, PublicKey: record, } if err := h.db.UpsertPublicKey(pk); err != nil { return fmt.Errorf("failed to upsert public key: %w", err) } l.Info("upserted public key from firehose") case jmodels.CommitOperationDelete: if err := h.db.DeletePublicKeyByRkey(did, rkey); err != nil { return fmt.Errorf("failed to delete public key: %w", err) } l.Info("deleted public key from firehose") }
return nil}
// returns a repo path on disk if present, and error if nottype targetRepo struct { RepoPath string OwnerDid string RepoName string RepoDid string DefaultBranch string // default branch}
func (h *Knot) processRepo(ctx context.Context, event *jmodels.Event) error { l := log.FromContext(ctx).With("handler", "processRepo", "did", event.Did, "rkey", event.Commit.RKey)
rkey := strings.TrimSuffix(strings.TrimSpace(event.Commit.RKey), ".git") if rkey == "" { return nil }
if event.Commit.Operation == jmodels.CommitOperationDelete { return nil }
if event.Commit.Operation != jmodels.CommitOperationCreate && event.Commit.Operation != jmodels.CommitOperationUpdate { return nil }
raw := json.RawMessage(event.Commit.Record) var record tangled.Repo if err := json.Unmarshal(raw, &record); err != nil { return fmt.Errorf("failed to unmarshal repo record: %w", err) }
if record.Knot != h.c.Server.Hostname { return nil } if record.RepoDid == nil || *record.RepoDid == "" { l.Info("skipping repo event without repoDid") return nil } repoDid := *record.RepoDid
if err := knotxrpc.ValidateRepoName(rkey); err != nil { l.Warn("skipping repo event with invalid rkey", "repoDid", repoDid, "rkey", rkey, "err", err) return nil }
ownerDid, _, lookupErr := h.db.GetRepoKeyOwner(repoDid) if lookupErr != nil { l.Info("skipping repo event for unknown repoDid", "repoDid", repoDid) return nil } if ownerDid != event.Did { l.Warn("repo event author does not own repoDid", "repoDid", repoDid, "author", event.Did) return nil }
alias := db.RepoAlias{ OwnerDid: event.Did, Rkey: rkey, RepoDid: repoDid, Rev: event.Commit.Rev, } if err := h.db.UpsertRepoAlias(alias); err != nil { l.Warn("failed to upsert repo alias", "err", err) return nil }
l.Info("recorded repo alias", "repoDid", repoDid, "rkey", rkey, "rev", event.Commit.Rev) return nil}
func (h *Knot) processMessages(ctx context.Context, event *jmodels.Event) error { var err error switch event.Kind { case jmodels.EventKindIdentity: err = h.resolver.InvalidateIdent(ctx, event.Did) case jmodels.EventKindCommit: switch event.Commit.Collection { case tangled.PublicKeyNSID: err = h.processPublicKey(ctx, event) case tangled.RepoNSID: err = h.processRepo(ctx, event) } default: return nil }
if err != nil { args := []any{"kind", event.Kind, "err", err} if event.Kind == jmodels.EventKindCommit { args = append(args, "nsid", event.Commit.Collection, "did", event.Did, "rkey", event.Commit.RKey) } h.l.Warn("failed to process event, skipping", args...) }
lastTimeUs := event.TimeUS + 1 if saveErr := h.db.SaveLastTimeUs(lastTimeUs); saveErr != nil { h.l.Error("failed to save cursor", "err", saveErr) }
return nil}