Update

Author: mmdzov

blocked_ips.csv

@@ -13,6 +13,8 @@ function def() {
       1,
     ),
   );
+
+  new File().ForceExistsFile(join("blocked_ips.csv"), "");
 }
 
 module.exports = def;

def.js

@@ -1,10 +1,10 @@
 #!/bin/bash
 
-declare -A blocked_ips
-
 BLOCK_TIME_MINUTES=$2
 BLOCK_TIME_SECONDS=$((BLOCK_TIME_MINUTES * 60))
 
+CSV_FILE="blocked_ips.csv"
+
 function block_ip() {
   local ip=$1
   local end_time=$(( $(date +%s) + BLOCK_TIME_SECONDS ))
@@ -13,7 +13,7 @@ function block_ip() {
     iptables -D INPUT -s $ip -j DROP
   fi
 
-  blocked_ips[$ip]=$end_time
+  echo "$ip,$end_time" >> "$CSV_FILE"
 
   iptables -A INPUT -s $ip -j DROP
 }

ipban.sh

@@ -1,28 +1,28 @@
 #!/bin/bash
 
-declare -A blocked_ips
-
-source ./ipban.sh
+CSV_FILE="blocked_ips.csv"
 
 function check_ip() {
   local ip=$1
   local current_time=$(date +%s)
-  local block_time_minutes=${blocked_ips[$ip]}
-  local block_time_seconds=$((block_time_minutes * 60))
-  local end_time=$((block_time_seconds + current_time))
+  local end_time=$(awk -F',' -v ip="$ip" '$1 == ip {print $2}' "$CSV_FILE")
+
+  if [ -n "$end_time" ]; then
+    local block_time_seconds=$((end_time - current_time))
 
-  if ((current_time >= end_time)); then
-    unset blocked_ips[$ip]
+    if ((block_time_seconds <= 0)); then
+      if iptables -C INPUT -s $ip -j DROP &> /dev/null; then
+        iptables -D INPUT -s $ip -j DROP
+        echo "Unbanned IP: $ip"
+      fi
 
-    if iptables -C INPUT -s $ip -j DROP &> /dev/null; then
-      iptables -D INPUT -s $ip -j DROP
-      echo "Unbanned IP: $ip"
+      awk -F',' -v ip="$ip" '$1 != ip' "$CSV_FILE" > "$CSV_FILE.tmp" && mv "$CSV_FILE.tmp" "$CSV_FILE"
     fi
   fi
 }
 
-local_blocked_ips=("${!blocked_ips[@]}")
-
-for ip in "${local_blocked_ips[@]}"; do
-  check_ip $ip
-done
+if [ -f "$CSV_FILE" ]; then
+  while IFS=',' read -r ip _; do
+    check_ip "$ip"
+  done < "$CSV_FILE"
+fi