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package api |
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import ( |
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"context" |
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"encoding/json" |
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"fmt" |
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"net/http" |
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"time" |
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"github.com/conflicthq/scuttlebot/internal/auth" |
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"github.com/conflicthq/scuttlebot/internal/bots/bridge" |
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) |
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// chatBridge is the interface the API layer requires from the bridge bot. |
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type chatBridge interface { |
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Channels() []string |
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JoinChannel(channel string) |
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LeaveChannel(channel string) |
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Messages(channel string) []bridge.Message |
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Subscribe(channel string) (<-chan bridge.Message, func()) |
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Send(ctx context.Context, channel, text, senderNick string) error |
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SendWithMeta(ctx context.Context, channel, text, senderNick string, meta *bridge.Meta) error |
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Stats() bridge.Stats |
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TouchUser(channel, nick string) |
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Users(channel string) []string |
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UsersWithModes(channel string) []bridge.UserInfo |
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ChannelModes(channel string) string |
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RefreshNames(channel string) |
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} |
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func (s *Server) handleJoinChannel(w http.ResponseWriter, r *http.Request) { |
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channel := "#" + r.PathValue("channel") |
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s.bridge.JoinChannel(channel) |
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w.WriteHeader(http.StatusNoContent) |
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} |
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func (s *Server) handleDeleteChannel(w http.ResponseWriter, r *http.Request) { |
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channel := "#" + r.PathValue("channel") |
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s.bridge.LeaveChannel(channel) |
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w.WriteHeader(http.StatusNoContent) |
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} |
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func (s *Server) handleListChannels(w http.ResponseWriter, r *http.Request) { |
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writeJSON(w, http.StatusOK, map[string]any{"channels": s.bridge.Channels()}) |
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} |
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func (s *Server) handleChannelMessages(w http.ResponseWriter, r *http.Request) { |
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channel := "#" + r.PathValue("channel") |
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// Auto-join on first access so the bridge starts tracking this channel. |
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s.bridge.JoinChannel(channel) |
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msgs := s.bridge.Messages(channel) |
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if msgs == nil { |
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msgs = []bridge.Message{} |
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} |
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// Filter by ?since=<RFC3339> when provided (avoids sending full history on each poll). |
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if sinceStr := r.URL.Query().Get("since"); sinceStr != "" { |
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since, err := time.Parse(time.RFC3339Nano, sinceStr) |
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if err == nil { |
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filtered := msgs[:0] |
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for _, m := range msgs { |
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if m.At.After(since) { |
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filtered = append(filtered, m) |
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} |
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} |
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msgs = filtered |
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} |
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} |
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writeJSON(w, http.StatusOK, map[string]any{"messages": msgs}) |
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} |
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func (s *Server) handleSendMessage(w http.ResponseWriter, r *http.Request) { |
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channel := "#" + r.PathValue("channel") |
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var req struct { |
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Text string `json:"text"` |
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Nick string `json:"nick"` |
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Meta *bridge.Meta `json:"meta,omitempty"` |
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} |
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil { |
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writeError(w, http.StatusBadRequest, "invalid request body") |
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return |
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} |
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if req.Text == "" { |
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writeError(w, http.StatusBadRequest, "text is required") |
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return |
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} |
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if err := s.bridge.SendWithMeta(r.Context(), channel, req.Text, req.Nick, req.Meta); err != nil { |
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s.log.Error("bridge send", "channel", channel, "err", err) |
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writeError(w, http.StatusInternalServerError, "send failed") |
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return |
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} |
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w.WriteHeader(http.StatusNoContent) |
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} |
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func (s *Server) handleChannelPresence(w http.ResponseWriter, r *http.Request) { |
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channel := "#" + r.PathValue("channel") |
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var req struct { |
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Nick string `json:"nick"` |
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} |
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil { |
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writeError(w, http.StatusBadRequest, "invalid request body") |
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return |
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} |
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if req.Nick == "" { |
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writeError(w, http.StatusBadRequest, "nick is required") |
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return |
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} |
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s.bridge.TouchUser(channel, req.Nick) |
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if s.registry != nil { |
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s.registry.Touch(req.Nick) |
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} |
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w.WriteHeader(http.StatusNoContent) |
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} |
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func (s *Server) handleChannelUsers(w http.ResponseWriter, r *http.Request) { |
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channel := "#" + r.PathValue("channel") |
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users := s.bridge.UsersWithModes(channel) |
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if users == nil { |
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users = []bridge.UserInfo{} |
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} |
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modes := s.bridge.ChannelModes(channel) |
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writeJSON(w, http.StatusOK, map[string]any{"users": users, "channel_modes": modes}) |
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} |
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func (s *Server) handleGetChannelConfig(w http.ResponseWriter, r *http.Request) { |
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channel := "#" + r.PathValue("channel") |
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if s.policies == nil { |
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writeJSON(w, http.StatusOK, ChannelDisplayConfig{}) |
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return |
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} |
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p := s.policies.Get() |
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cfg := p.Bridge.ChannelDisplay[channel] |
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writeJSON(w, http.StatusOK, cfg) |
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} |
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func (s *Server) handlePutChannelConfig(w http.ResponseWriter, r *http.Request) { |
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channel := "#" + r.PathValue("channel") |
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if s.policies == nil { |
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writeError(w, http.StatusServiceUnavailable, "policies not configured") |
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return |
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} |
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var cfg ChannelDisplayConfig |
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if err := json.NewDecoder(r.Body).Decode(&cfg); err != nil { |
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writeError(w, http.StatusBadRequest, "invalid request body") |
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return |
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} |
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p := s.policies.Get() |
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if p.Bridge.ChannelDisplay == nil { |
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p.Bridge.ChannelDisplay = make(map[string]ChannelDisplayConfig) |
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} |
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p.Bridge.ChannelDisplay[channel] = cfg |
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if err := s.policies.Set(p); err != nil { |
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writeError(w, http.StatusInternalServerError, "save failed") |
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return |
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} |
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w.WriteHeader(http.StatusNoContent) |
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} |
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// handleChannelStream serves an SSE stream of IRC messages for a channel. |
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// Auth is via ?token= query param because EventSource doesn't support custom headers. |
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func (s *Server) handleChannelStream(w http.ResponseWriter, r *http.Request) { |
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token := r.URL.Query().Get("token") |
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key := s.apiKeys.Lookup(token) |
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if key == nil || (!key.HasScope(auth.ScopeChannels) && !key.HasScope(auth.ScopeChat)) { |
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writeError(w, http.StatusUnauthorized, "invalid or missing token") |
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return |
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} |
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channel := "#" + r.PathValue("channel") |
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s.bridge.JoinChannel(channel) |
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flusher, ok := w.(http.Flusher) |
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if !ok { |
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writeError(w, http.StatusInternalServerError, "streaming not supported") |
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return |
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} |
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w.Header().Set("Content-Type", "text/event-stream") |
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w.Header().Set("Cache-Control", "no-cache") |
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w.Header().Set("Connection", "keep-alive") |
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w.Header().Set("X-Accel-Buffering", "no") |
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msgs, unsub := s.bridge.Subscribe(channel) |
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defer unsub() |
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ticker := time.NewTicker(25 * time.Second) |
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defer ticker.Stop() |
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for { |
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select { |
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case <-r.Context().Done(): |
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return |
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case msg, ok := <-msgs: |
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if !ok { |
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return |
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} |
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data, err := json.Marshal(msg) |
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if err != nil { |
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continue |
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} |
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fmt.Fprintf(w, "data: %s\n\n", data) |
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flusher.Flush() |
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case <-ticker.C: |
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fmt.Fprintf(w, ": heartbeat\n\n") |
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flusher.Flush() |
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} |
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} |
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} |
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