comment readKeySecret logic

Author: gaelgatelement

main.go

@@ -187,11 +187,16 @@ func (h *Handler) prepareMux() *http.ServeMux {
 }
 
 func readKeySecret() (string, string) {
+// We initialize keys & secrets from environment variables
 key := os.Getenv("LIVEKIT_KEY")
 secret := os.Getenv("LIVEKIT_SECRET")
+// We initialize potential key & secret path from environment variables
 key_path := os.Getenv("LIVEKIT_KEY_FROM_FILE")
 secret_path := os.Getenv("LIVEKIT_SECRET_FROM_FILE")
 key_secret_path := os.Getenv("LIVEKIT_KEY_FILE")
+
+// If key_secret_path is set we read the file and split it into two parts
+// It takes over any other initialization
 if key_secret_path != "" {
 if keySecretBytes, err := os.ReadFile(key_secret_path); err != nil {
 log.Fatal(err)
@@ -204,6 +209,8 @@ func readKeySecret() (string, string) {
 secret = key_secrets[1]
 }
 } else {
+// If key_secret_path, we try to read the key and secret from files
+// If those files are not set, we return the key & secret from the environment variables
 if key_path != "" {
 if keyBytes, err := os.ReadFile(key_path); err != nil {
 log.Fatal(err)