feat: Filter malicious IPs from trackers

Add blacklisting functionality to remove known bad IPs from tracker lists.

Co-authored-by: admin <[email protected]>

blackstr.txt

@@ -0,0 +1 @@
+107.189.2.131

format.sh

@@ -19,9 +19,17 @@ fi
 # - 使用grep -oP 来匹配以http://, https://, udp://, wss://开头并且以/announce结尾的内容
 # - 不进行贪婪匹配
 # - 使用sed来省略默认端口
+# - 过滤掉包含blackstr.txt中恶意IP的URL
 tr ',' '\n' < "$input_file" | \
 grep -oP '(http|https|udp|wss)://[^/]+/announce' | \
 sed -E 's#(http://[^/]+):80/announce#\1/announce#; s#(https://[^/]+):443/announce#\1/announce#' | \
-sed 's/[ \t]*$//' > "$output_file"
+sed 's/[ \t]*$//' | \
+{
+    if [ -f "blackstr.txt" ]; then
+        grep -v -F -f blackstr.txt
+    else
+        cat
+    fi
+} > "$output_file"
 
 echo "Formatted trackers have been saved to $output_file"

test_trackers.sh

@@ -18,8 +18,14 @@ fi
 # 清空输出文件
 > "$output_file"
 
-# 读取文件并逐行处理
-while IFS= read -r tracker; do
+# 过滤掉包含blackstr.txt中恶意IP的URL，然后逐行处理
+{
+    if [ -f "blackstr.txt" ]; then
+        grep -v -F -f blackstr.txt "$input_file"
+    else
+        cat "$input_file"
+    fi
+} | while IFS= read -r tracker; do
     protocol=$(echo "$tracker" | grep -oE '^[a-z]+')
 
     case $protocol in
@@ -62,6 +68,6 @@ while IFS= read -r tracker; do
             echo "Unknown protocol: $protocol"
             ;;
     esac
-done < "$input_file"
+done
 
 echo "Testing complete."