Update owasp2traefik.py

Should fix resulting exported rules to match Traefik standards.

owasp2traefik.py

@@ -4,20 +4,50 @@ import json
 OUTPUT_DIR = "waf_patterns/traefik/"
 
 def load_owasp_rules(file_path):
+    try:
         with open(file_path, "r") as f:
             return json.load(f)
+    except FileNotFoundError:
+        print(f"[-] Error: File '{file_path}' not found.")
+        exit(1)
+    except json.JSONDecodeError:
+        print(f"[-] Error: Invalid JSON in '{file_path}'.")
+        exit(1)
 
 def generate_traefik_conf(rules):
     os.makedirs(OUTPUT_DIR, exist_ok=True)
     config_file = os.path.join(OUTPUT_DIR, "middleware.toml")
 
+    try:
         with open(config_file, "w") as f:
-        f.write("[http.middlewares]\n")
+            f.write("[http.middlewares]\n\n")
+            rule_counter = 1  # Unique identifier for each middleware
+
+            # Group rules by category
+            grouped_rules = {}
             for rule in rules:
-            f.write(f"[http.middlewares.bad_bot_block_{rule['category']}]\n")
+                category = rule.get("category", "default")
-            f.write(f"  [http.middlewares.bad_bot_block_{rule['category']}.plugin.badbot]\n")
+                if category not in grouped_rules:
-            f.write(f"    userAgent = [\"{rule['pattern']}\"]\n")
+                    grouped_rules[category] = []
+                grouped_rules[category].append(rule)
+
+            # Write grouped rules to the TOML file
+            for category, rules_in_category in grouped_rules.items():
+                f.write(f"[http.middlewares.bad_bot_block_{category}]\n")
+                f.write(f"  [http.middlewares.bad_bot_block_{category}.plugin.badbot]\n")
+                f.write("    userAgent = [\n")
+                unique_rules = set()  # Use a set to deduplicate rules
+                for rule in rules_in_category:
+                    # Escape special characters in the pattern
+                    pattern = rule['pattern'].replace('"', '\\"').replace("\\", "\\\\")
+                    unique_rules.add(f'      "{pattern}"')
+                f.write(",\n".join(unique_rules) + "\n")
+                f.write("    ]\n\n")
+
         print(f"[+] Traefik WAF rules generated at {config_file}")
+    except IOError as e:
+        print(f"[-] Error writing to file: {e}")
+        exit(1)
 
 if __name__ == "__main__":
     owasp_rules = load_owasp_rules("owasp_rules.json")