mirror of
https://github.com/fabriziosalmi/patterns.git
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123 lines
3.9 KiB
Python
123 lines
3.9 KiB
Python
import os
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import subprocess
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import logging
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from pathlib import Path
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# Configure logging
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logging.basicConfig(
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level=logging.INFO,
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format="%(asctime)s - %(levelname)s - %(message)s",
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handlers=[logging.StreamHandler()],
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)
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# Constants (configurable via environment variables)
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WAF_DIR = Path(os.getenv("WAF_DIR", "/tmp/waf_patterns/nginx")).resolve() # Source directory for WAF files
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NGINX_WAF_DIR = Path(os.getenv("NGINX_WAF_DIR", "/etc/nginx/waf/")).resolve() # Target directory
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NGINX_CONF = Path(os.getenv("NGINX_CONF", "/etc/nginx/nginx.conf")).resolve() # Nginx config file
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INCLUDE_STATEMENT = "include /etc/nginx/waf/*.conf;" # Include directive
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def copy_waf_files():
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"""
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Copy Nginx WAF configuration files to the target directory.
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Raises:
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Exception: If there is an error copying files.
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"""
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logging.info("Copying Nginx WAF patterns...")
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try:
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# Ensure the target directory exists
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NGINX_WAF_DIR.mkdir(parents=True, exist_ok=True)
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logging.info(f"[+] Created or verified directory: {NGINX_WAF_DIR}")
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# Copy .conf files from source to target directory
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for conf_file in WAF_DIR.glob("*.conf"):
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dst_path = NGINX_WAF_DIR / conf_file.name
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if dst_path.exists():
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logging.warning(f"[!] File already exists: {dst_path}")
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continue
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try:
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subprocess.run(["cp", str(conf_file), str(dst_path)], check=True)
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logging.info(f"[+] Copied {conf_file} to {NGINX_WAF_DIR}")
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except subprocess.CalledProcessError as e:
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logging.error(f"[!] Failed to copy {conf_file}: {e}")
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raise
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except Exception as e:
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logging.error(f"[!] Error copying WAF files: {e}")
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raise
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def update_nginx_conf():
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"""
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Ensure the WAF include statement is present in the Nginx configuration file.
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Raises:
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Exception: If there is an error updating the Nginx configuration.
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"""
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logging.info("Ensuring WAF patterns are included in nginx.conf...")
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try:
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# Read the current configuration
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with open(NGINX_CONF, "r") as f:
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config = f.read()
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# Append include statement if not present
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if INCLUDE_STATEMENT not in config:
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logging.info("Adding WAF include to nginx.conf...")
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with open(NGINX_CONF, "a") as f:
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f.write(f"\n{INCLUDE_STATEMENT}\n")
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logging.info("[+] WAF include statement added to nginx.conf.")
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else:
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logging.info("WAF already included in nginx.conf.")
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except Exception as e:
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logging.error(f"[!] Error updating Nginx configuration: {e}")
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raise
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def reload_nginx():
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"""
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Reload Nginx to apply the new WAF rules.
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Raises:
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Exception: If there is an error reloading Nginx.
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"""
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logging.info("Reloading Nginx to apply new WAF rules...")
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try:
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# Test Nginx configuration
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subprocess.run(["nginx", "-t"], check=True)
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logging.info("[+] Nginx configuration test passed.")
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# Reload Nginx
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subprocess.run(["systemctl", "reload", "nginx"], check=True)
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logging.info("[+] Nginx reloaded successfully.")
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except subprocess.CalledProcessError as e:
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logging.error(f"[!] Nginx configuration test failed: {e}")
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raise
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except FileNotFoundError:
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logging.error("[!] 'nginx' or 'systemctl' command not found. Are you on a supported system?")
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raise
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except Exception as e:
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logging.error(f"[!] Error reloading Nginx: {e}")
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raise
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def main():
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"""
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Main function to execute the script.
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"""
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try:
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copy_waf_files()
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update_nginx_conf()
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reload_nginx()
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logging.info("[✔] Nginx configured with latest WAF rules.")
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except Exception as e:
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logging.critical(f"[!] Script failed: {e}")
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exit(1)
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if __name__ == "__main__":
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main() |