Channel name cleanup

Dockerfile

@@ -111,6 +111,7 @@ ENV MESHSTREAM_MQTT_USERNAME=meshdev
 ENV MESHSTREAM_MQTT_PASSWORD=large4cats
 ENV MESHSTREAM_MQTT_TOPIC_PREFIX=msh/US/bayarea
 ENV MESHSTREAM_MQTT_CLIENT_ID=meshstream
+ENV MESHSTREAM_CHANNEL_KEYS=""
 
 # Note: Web app configuration is set at build time
 # and baked into the static files

docker-compose.yml

@@ -35,6 +35,9 @@ services:
       - MESHSTREAM_LOG_LEVEL=${MESHSTREAM_LOG_LEVEL:-info}
       - MESHSTREAM_VERBOSE_LOGGING=${MESHSTREAM_VERBOSE_LOGGING:-false}
       - MESHSTREAM_CACHE_SIZE=${MESHSTREAM_CACHE_SIZE:-1000}
+      
+      # Channel keys for decryption
+      - MESHSTREAM_CHANNEL_KEYS=${MESHSTREAM_CHANNEL_KEYS:-}
     restart: unless-stopped
     healthcheck:
       test: ["CMD", "wget", "-q", "--spider", "http://localhost:8080/api/status"]

main.go

@@ -75,7 +75,7 @@ func parseConfig() *Config {
 	flag.StringVar(&config.StaticDir, "static-dir", getEnv("STATIC_DIR", "./server/static"), "Directory containing static web files")
 
 	// Channel key configuration (comma separated list of name:key pairs)
-	channelKeysDefault := getEnv("CHANNEL_KEYS", "LongFast:"+decoder.DefaultPrivateKey+",ERSN:VIuMtC5uDDJtC/ojdH314HLkDIHanX4LdbK5yViV9jA=")
+	channelKeysDefault := getEnv("CHANNEL_KEYS", "LongFast:"+decoder.DefaultPrivateKey)
 	channelKeysFlag := flag.String("channel-keys", channelKeysDefault, "Comma-separated list of channel:key pairs for encrypted channels")
 
 	// Statistics configuration
@@ -214,6 +214,7 @@ func main() {
 		MQTTServer:    config.MQTTBroker,
 		MQTTTopicPath: config.MQTTTopicPrefix + "/#",
 		StaticDir:     config.StaticDir,
+		ChannelKeys:   config.ChannelKeys,
 	})
 
 	// Start the server in a goroutine

server/server.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"net/http"
 	"strconv"
+	"strings"
 	"sync/atomic"
 	"time"
 
@@ -25,6 +26,7 @@ type Config struct {
 	MQTTServer    string       // MQTT server hostname
 	MQTTTopicPath string       // MQTT topic path being subscribed to
 	StaticDir     string       // Directory containing static web files
+	ChannelKeys   []string     // Channel keys for decryption
 }
 
 // Create connection info JSON to send to the client
@@ -111,12 +113,22 @@ func (s *Server) Stop() error {
 func (s *Server) handleStatus(w http.ResponseWriter, r *http.Request) {
 	logger := s.logger.Named("api.status")
 
+	// Extract channel names without keys for security
+	var channelNames []string
+	for _, channelKeyPair := range s.config.ChannelKeys {
+		parts := strings.SplitN(channelKeyPair, ":", 2)
+		if len(parts) == 2 {
+			channelNames = append(channelNames, parts[0])
+		}
+	}
+
 	status := map[string]interface{}{
 		"status":            "ok",
 		"message":           "Meshtastic Stream API is running",
 		"activeConnections": s.activeConnections.Load(),
 		"mqttServer":        s.config.MQTTServer,
 		"mqttTopic":         s.config.MQTTTopicPath,
+		"channels":          channelNames,
 	}
 
 	logger.Debug("Status endpoint called")