v2.5.0: maintenance and bot user management

lib/stats.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# stats.sh — Traffic statistics module for GoTelegram
+# stats.sh — Traffic statistics module for GoTelegram v2.5.0
 # Tracks proxy (telemt port 443) and site (nginx port 8443) traffic
 # Uses iptables counters + real-time snapshots + historical CSV
 
@@ -18,6 +18,11 @@ CONFIG_FILE="/opt/gotelegram/config.json"
 
 # Initialize stats infrastructure
 stats_init() {
+    if ! command -v iptables &>/dev/null; then
+        log_warning "iptables не найден: установите пакет iptables или запустите установку зависимостей"
+        return 1
+    fi
+
     # Create runtime directory
     mkdir -p "$STATS_DIR" "$SNAPSHOTS_DIR" 2>/dev/null
     chmod 755 "$STATS_DIR" "$SNAPSHOTS_DIR" 2>/dev/null
@@ -57,6 +62,13 @@ stats_collect() {
     local ts=$(date +%s)
     local temp_file=$(mktemp)
 
+    if ! command -v iptables &>/dev/null; then
+        mkdir -p "$STATS_DIR" 2>/dev/null
+        echo "{\"ts\":$ts,\"proxy_bytes\":0,\"proxy_pkts\":0,\"site_bytes\":0,\"site_pkts\":0,\"error\":\"iptables_missing\"}" > "$CURRENT_SNAPSHOT" 2>/dev/null
+        rm -f "$temp_file" 2>/dev/null
+        return 1
+    fi
+
     # Parse iptables output: format is "pkts bytes target"
     # We need to extract bytes (2nd column) for each rule
     local iptables_output=$(iptables -L GOTELEGRAM_STATS -v -n -x 2>/dev/null)
@@ -350,6 +362,14 @@ install_stats_collector() {
         return 1
     fi
 
+    if ! command -v iptables &>/dev/null; then
+        log_info "Установка iptables для подсчёта трафика..."
+        install_pkg "$(apt_pkg_for_cmd iptables)" || {
+            echo "Не удалось установить iptables" >&2
+            return 1
+        }
+    fi
+
     # Get script directory (resolve symlinks)
     local script_dir=$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")
     local lib_dir=$(dirname "$script_dir")