Create owasp2caddy.py

owasp2caddy.py

@@ -0,0 +1,51 @@
+import json
+import os
+from collections import defaultdict
+
+# Paths
+INPUT_FILE = "owasp_rules.json"
+OUTPUT_DIR = "waf_patterns"
+
+# Ensure output directory exists
+os.makedirs(OUTPUT_DIR, exist_ok=True)
+
+def load_owasp_rules(file_path):
+    with open(file_path, "r") as f:
+        return json.load(f)
+
+def generate_caddy_waf(rules):
+    categorized_rules = defaultdict(list)
+
+    # Group rules by category
+    for rule in rules:
+        category = rule.get("category", "generic").lower()
+        categorized_rules[category].append(rule["pattern"])
+
+    # Convert to Caddy conf files
+    for category, patterns in categorized_rules.items():
+        output_file = os.path.join(OUTPUT_DIR, f"{category}.conf")
+
+        with open(output_file, "w") as f:
+            block_name = f"block_{category}"
+
+            # Write Caddy WAF block
+            f.write(f"@{block_name} {{\n")
+            f.write(f"    path_regexp {category} \"(?i)(")
+
+            # Join all patterns with |
+            f.write("|".join(patterns))
+            f.write(")\"\n}\n")
+
+            # Respond with 403 for matched patterns
+            f.write(f"respond @{block_name} 403\n")
+
+        print(f"[+] Generated {output_file} ({len(patterns)} patterns)")
+
+if __name__ == "__main__":
+    print("[*] Loading OWASP rules...")
+    owasp_rules = load_owasp_rules(INPUT_FILE)
+
+    print(f"[*] Generating Caddy WAF configs from {len(owasp_rules)} rules...")
+    generate_caddy_waf(owasp_rules)
+
+    print("[✔] Caddy WAF configurations generated successfully.")