364 lines
12 KiB
Go
364 lines
12 KiB
Go
package controlplane
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import (
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"context"
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"encoding/json"
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"io"
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"log/slog"
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"net/http"
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"strings"
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"time"
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"git.toki-labs.com/toki/gito/services/core/internal/config"
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"git.toki-labs.com/toki/gito/services/core/internal/protosocket"
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"git.toki-labs.com/toki/gito/services/core/internal/provider/forgejo"
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"git.toki-labs.com/toki/gito/services/core/internal/storage"
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)
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func NewRouter(cfg config.Config, logger *slog.Logger) http.Handler {
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return newRouterWithStore(cfg, logger, nil)
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}
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// NewRouterWithStore constructs a router backed by the given durable store.
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// Pass nil to fall back to in-memory runtime (same as NewRouter).
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func NewRouterWithStore(cfg config.Config, logger *slog.Logger, store storage.Store) http.Handler {
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return newRouterWithStore(cfg, logger, store)
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}
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func newRouterWithStore(cfg config.Config, logger *slog.Logger, store storage.Store) http.Handler {
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mux := http.NewServeMux()
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protoServer := protosocket.NewServer(protosocket.Config{
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HeartbeatIntervalSec: cfg.ProtoSocketHeartbeatSec,
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HeartbeatWaitSec: cfg.ProtoSocketHeartbeatWait,
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}, logger)
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runtime := NewRuntimeWithStore(protoServer, store)
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registerProtoSocketHandlers(protoServer.Dispatcher(), runtime, protoServer)
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mux.HandleFunc("/healthz", func(w http.ResponseWriter, _ *http.Request) {
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writeJSON(w, http.StatusOK, map[string]string{"status": "ok"})
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})
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mux.HandleFunc("/readyz", func(w http.ResponseWriter, _ *http.Request) {
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writeJSON(w, http.StatusOK, map[string]string{
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"status": "ready",
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"env": cfg.AppEnv,
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})
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})
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mux.HandleFunc("/api/listeners/branches", handleBranchListeners(runtime))
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mux.HandleFunc("/api/events", handleEvents(runtime))
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mux.HandleFunc("/callbacks/forgejo/push", handleForgejoPush(cfg, runtime))
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mux.HandleFunc(cfg.ProtoSocketPath, func(w http.ResponseWriter, r *http.Request) {
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if isWebSocketUpgrade(r) {
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protoServer.ServeHTTP(w, r)
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return
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}
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if r.Method != http.MethodGet {
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w.Header().Set("Allow", http.MethodGet)
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writeJSON(w, http.StatusMethodNotAllowed, map[string]string{
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"error": "method not allowed",
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})
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return
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}
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logger.Info("proto-socket registry scaffold", "path", r.URL.Path)
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writeJSON(w, http.StatusOK, DefaultProtoSocketRegistry())
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})
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return mux
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}
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func registerProtoSocketHandlers(dispatcher *protosocket.Dispatcher, runtime *Runtime, subscriber protosocket.EventSubscriber) {
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dispatcher.Register("event.subscribe", func(_ context.Context, env protosocket.Envelope) protosocket.Envelope {
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connectionID := stringValue(env.Meta["connection_id"])
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if connectionID == "" {
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return protosocket.ErrorResponse(env, "event.missing_connection", "event.subscribe requires a proto-socket connection id", false)
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}
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subscription := eventSubscriptionFromPayload(env.Payload)
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registered := subscriber.Subscribe(connectionID, subscription)
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return protosocket.SuccessResponse(env, map[string]any{
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"status": "subscribed",
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"subscription": registered.Payload(),
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})
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})
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dispatcher.Register("event.list", func(_ context.Context, env protosocket.Envelope) protosocket.Envelope {
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return protosocket.SuccessResponse(env, map[string]any{
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"events": eventRecordsPayload(runtime.ListEvents()),
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})
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})
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}
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func eventSubscriptionFromPayload(payload map[string]any) protosocket.EventSubscription {
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events := stringListValue(payload["events"])
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if len(events) == 0 {
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events = []string{"branch.updated"}
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}
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return protosocket.EventSubscription{
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Events: events,
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RepoID: stringValue(payload["repo_id"]),
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Branch: stringValue(payload["branch"]),
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}
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}
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func stringListValue(value any) []string {
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items, ok := value.([]any)
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if !ok {
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if values, ok := value.([]string); ok {
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return values
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}
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return nil
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}
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result := make([]string, 0, len(items))
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for _, item := range items {
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if text := stringValue(item); text != "" {
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result = append(result, text)
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}
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}
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return result
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}
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func stringValue(value any) string {
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text, ok := value.(string)
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if !ok {
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return ""
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}
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return strings.TrimSpace(text)
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}
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func handleBranchListeners(runtime *Runtime) http.HandlerFunc {
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type request struct {
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RepoID string `json:"repo_id"`
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Branch string `json:"branch"`
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Provider string `json:"provider"`
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}
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return func(w http.ResponseWriter, r *http.Request) {
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switch r.Method {
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case http.MethodGet:
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writeJSON(w, http.StatusOK, map[string]any{"listeners": runtime.ListBranchWatches()})
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case http.MethodPost:
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var input request
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if err := json.NewDecoder(r.Body).Decode(&input); err != nil {
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writeJSON(w, http.StatusBadRequest, map[string]string{"error": "invalid listener payload"})
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return
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}
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watch, err := runtime.RegisterBranchWatch(input.RepoID, input.Branch, input.Provider)
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if err != nil {
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writeJSON(w, http.StatusBadRequest, map[string]string{"error": err.Error()})
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return
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}
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writeJSON(w, http.StatusCreated, map[string]any{"listener": watch})
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default:
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w.Header().Set("Allow", "GET, POST")
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writeJSON(w, http.StatusMethodNotAllowed, map[string]string{"error": "method not allowed"})
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}
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}
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}
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func handleEvents(runtime *Runtime) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet {
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w.Header().Set("Allow", http.MethodGet)
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writeJSON(w, http.StatusMethodNotAllowed, map[string]string{"error": "method not allowed"})
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return
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}
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writeJSON(w, http.StatusOK, map[string]any{"events": eventRecordsPayload(runtime.ListEvents())})
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}
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}
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func handleForgejoPush(cfg config.Config, runtime *Runtime) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPost {
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w.Header().Set("Allow", http.MethodPost)
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writeJSON(w, http.StatusMethodNotAllowed, map[string]string{"error": "method not allowed"})
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return
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}
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body, err := io.ReadAll(io.LimitReader(r.Body, 1<<20))
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if err != nil {
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writeJSON(w, http.StatusBadRequest, map[string]string{"error": "failed to read payload"})
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return
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}
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if strings.TrimSpace(cfg.ForgejoWebhookSecret) != "" &&
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!forgejo.VerifySignature(cfg.ForgejoWebhookSecret, body, r.Header.Get("X-Forgejo-Signature")) {
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writeJSON(w, http.StatusUnauthorized, map[string]string{"error": "invalid forgejo signature"})
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return
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}
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if eventName := webhookEventName(r); eventName != "" && eventName != "push" {
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writeJSON(w, http.StatusAccepted, map[string]any{"accepted": true, "matched": false, "reason": "unsupported event"})
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return
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}
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payload, err := forgejo.ParsePushPayload(body)
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if err != nil {
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writeJSON(w, http.StatusBadRequest, map[string]string{"error": "invalid forgejo push payload"})
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return
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}
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revision, err := forgejo.NormalizePush(payload, r.URL.Query().Get("repo_id"), time.Now().UTC())
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if err != nil {
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writeJSON(w, http.StatusAccepted, map[string]any{"accepted": true, "matched": false, "reason": "non-branch ref"})
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return
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}
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record, matched, err := runtime.HandleRevision(r.Context(), "forgejo", r.Header.Get("X-Forgejo-Delivery"), revision)
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if err != nil {
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writeJSON(w, http.StatusInternalServerError, map[string]string{"error": "failed to publish event"})
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return
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}
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resp := map[string]any{
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"accepted": true,
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"matched": matched,
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"event": eventRecordPayload(record),
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}
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if record.Duplicate {
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resp["duplicate"] = true
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}
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writeJSON(w, http.StatusAccepted, resp)
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}
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}
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func webhookEventName(r *http.Request) string {
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for _, header := range []string{"X-Forgejo-Event", "X-Gitea-Event", "X-Gogs-Event", "X-GitHub-Event"} {
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if value := strings.TrimSpace(r.Header.Get(header)); value != "" {
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return strings.ToLower(value)
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}
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}
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return ""
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}
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func isWebSocketUpgrade(r *http.Request) bool {
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return strings.EqualFold(r.Header.Get("Upgrade"), "websocket") &&
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strings.Contains(strings.ToLower(r.Header.Get("Connection")), "upgrade")
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}
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type ProtoSocketRegistry struct {
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Transport string `json:"transport"`
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Status string `json:"status"`
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Channels []ProtoSocketChannel `json:"channels"`
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}
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type ProtoSocketChannel struct {
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Name string `json:"name"`
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Purpose string `json:"purpose"`
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Status string `json:"status"`
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Actions []ProtoSocketAction `json:"actions"`
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}
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type ProtoSocketAction struct {
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Name string `json:"name"`
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Status string `json:"status"`
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}
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func DefaultProtoSocketRegistry() ProtoSocketRegistry {
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return ProtoSocketRegistry{
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Transport: "proto-socket",
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Status: "registry-placeholder",
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Channels: []ProtoSocketChannel{
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{
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Name: "repo",
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Purpose: "register, inspect, and list managed repositories",
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Status: "placeholder",
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Actions: []ProtoSocketAction{
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{Name: "register", Status: "placeholder"},
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{Name: "get", Status: "placeholder"},
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{Name: "list", Status: "placeholder"},
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},
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},
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{
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Name: "workspace",
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Purpose: "lease, release, and inspect workspace slots",
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Status: "placeholder",
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Actions: []ProtoSocketAction{
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{Name: "lease", Status: "placeholder"},
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{Name: "release", Status: "placeholder"},
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{Name: "get", Status: "placeholder"},
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},
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},
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{
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Name: "operation",
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Purpose: "create, cancel, inspect, and stream operations",
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Status: "placeholder",
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Actions: []ProtoSocketAction{
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{Name: "create", Status: "placeholder"},
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{Name: "cancel", Status: "placeholder"},
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{Name: "get", Status: "placeholder"},
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{Name: "stream", Status: "placeholder"},
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},
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},
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{
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Name: "git",
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Purpose: "request platformless Git operations",
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Status: "placeholder",
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Actions: []ProtoSocketAction{
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{Name: "clone", Status: "placeholder"},
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{Name: "fetch", Status: "placeholder"},
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{Name: "status", Status: "placeholder"},
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{Name: "diff", Status: "placeholder"},
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{Name: "commit", Status: "placeholder"},
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{Name: "push", Status: "placeholder"},
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},
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},
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{
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Name: "change_request",
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Purpose: "manage provider-neutral change requests",
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Status: "placeholder",
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Actions: []ProtoSocketAction{
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{Name: "open", Status: "placeholder"},
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{Name: "update", Status: "placeholder"},
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{Name: "list", Status: "placeholder"},
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},
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},
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{
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Name: "agent_shell",
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Purpose: "shell heartbeat, command dispatch, and log streaming",
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Status: "placeholder",
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Actions: []ProtoSocketAction{
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{Name: "heartbeat", Status: "placeholder"},
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{Name: "dispatch", Status: "placeholder"},
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{Name: "stream_logs", Status: "placeholder"},
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},
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},
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{
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Name: "event",
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Purpose: "subscribe to normalized events",
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Status: "mvp",
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Actions: []ProtoSocketAction{
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{Name: "subscribe", Status: "mvp"},
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{Name: "list", Status: "mvp"},
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{Name: "ack", Status: "placeholder"},
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},
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},
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},
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}
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}
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func writeJSON(w http.ResponseWriter, status int, value any) {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(status)
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_ = json.NewEncoder(w).Encode(value)
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}
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func eventRecordsPayload(records []EventRecord) []any {
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payload := make([]any, 0, len(records))
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for _, record := range records {
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payload = append(payload, eventRecordPayload(record))
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}
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return payload
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}
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func eventRecordPayload(record EventRecord) map[string]any {
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changedFiles := make([]any, 0, len(record.Revision.ChangedFiles))
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for _, file := range record.Revision.ChangedFiles {
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changedFiles = append(changedFiles, map[string]any{
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"path": file.Path,
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"change_type": file.ChangeType,
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})
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}
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return map[string]any{
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"id": record.ID,
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"type": record.Type,
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"provider": record.Provider,
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"delivery_id": record.DeliveryID,
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"revision": map[string]any{
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"repo_id": record.Revision.RepoID,
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"branch": record.Revision.Branch,
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"before": record.Revision.Before,
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"after": record.Revision.After,
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"changed_files": changedFiles,
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"observed_at": record.Revision.ObservedAt.UTC().Format(time.RFC3339Nano),
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},
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"created_at": record.CreatedAt.UTC().Format(time.RFC3339Nano),
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}
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}
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