Added support for webhooks.

diff-web.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # Description: Monitor a website for changes.
-# Usage: python3 diff-web.py https://example.com --time 60 --email user@example.com
+# Usage: python3 diff-web.py https://example.com --time 300 --email user@example.com --hook https://example.com/webhook
 # Author: Justin Oros
 # Source: https://github.com/JustinOros
 
@@ -8,6 +8,7 @@ import requests
 import hashlib
 import os
 import time
+import sys
 import argparse
 from urllib.parse import urlparse, urlunparse, parse_qs, urlencode
 from datetime import datetime
@@ -21,12 +22,30 @@ SMTP_USERNAME = os.getenv("EMAIL_USER")
 SMTP_PASSWORD = os.getenv("EMAIL_PASS")
 EMAIL_FROM = SMTP_USERNAME
 
+sys.argv = [arg if not arg.startswith('/') else '-' + arg[1:] for arg in sys.argv]
+
+parser = argparse.ArgumentParser(description="Monitor a website for changes.", add_help=False)
+parser.add_argument("--help", action="help", help="Show this help message and exit")
+parser.add_argument("url", nargs='?', help="The website URL or domain to monitor.")
+parser.add_argument("-d", "--domain", help="Domain to monitor.")
+parser.add_argument("-t", "--time", type=int, default=60,
+                    help="Time interval between checks in seconds (default: 60).")
+parser.add_argument("-l", "--log", type=str,
+                    help="Optional log file name (default: domain.tld.log)")
+parser.add_argument("-q", "--quiet", action="store_true",
+                    help="Suppress console output.")
+parser.add_argument("-e", "--email", nargs='+',
+                    help="Email address(es) to notify on changes.")
+parser.add_argument("-h", "--hook", type=str,
+                    help="Webhook URL to POST to on changes.")
+
+args = parser.parse_args()
+
 def normalize_url(url):
     parsed = urlparse(url)
     if not parsed.scheme:
         url = 'https://' + url
         parsed = urlparse(url)
-
     query = parse_qs(parsed.query)
     stripped_query = {k: v for k, v in query.items() if not k.startswith(('utm_', 'fbclid', 'gclid'))}
     new_query = urlencode(stripped_query, doseq=True)
@@ -82,21 +101,25 @@ def send_email(subject, body, recipients):
     except Exception as e:
         print(f"Failed to send email: {e}")
 
-def monitor_website(url, interval, log_file, quiet=False, recipients=None):
+def send_webhook(url, payload):
+    try:
+        response = requests.post(url, json=payload, timeout=10)
+        response.raise_for_status()
+    except Exception as e:
+        print(f"Failed to send webhook to {url}: {e}")
+
+def monitor_website(url, interval, log_file, quiet=False, recipients=None, webhook_url=None):
     url = normalize_url(url)
     domain = urlparse(url).netloc
     cache_file = get_cache_filename(url)
-
     if not os.path.exists(log_file):
         with open(log_file, 'w') as f:
             pass
-
     initial_message = f"[{timestamp()}] Monitoring {domain}"
     if not quiet:
         print(initial_message)
     with open(log_file, 'a') as f:
         f.write(initial_message + '\n')
-
     while True:
         try:
             current_content = fetch_content(url)
@@ -105,7 +128,6 @@ def monitor_website(url, interval, log_file, quiet=False, recipients=None):
             log_message(f"[{timestamp()}] [ERROR] Failed to fetch {url}: {e}", log_file, quiet)
             time.sleep(interval)
             continue
-
         is_changed = True
         if os.path.exists(cache_file):
             with open(cache_file, 'r') as f:
@@ -117,45 +139,30 @@ def monitor_website(url, interval, log_file, quiet=False, recipients=None):
                     subject = f"Website Change Detected: {domain}"
                     body = f"A change was detected on {url} at {timestamp()}."
                     send_email(subject, body, recipients)
+                if webhook_url:
+                    payload = {
+                        "url": url,
+                        "domain": domain,
+                        "timestamp": timestamp(),
+                        "message": "Change detected on monitored website."
+                    }
+                    send_webhook(webhook_url, payload)
         else:
             log_message(f"[{timestamp()}] First-time check for {url}: storing baseline.", log_file, quiet)
-
         with open(cache_file, 'w') as f:
             f.write(current_hash)
-
         time.sleep(interval)
 
-if __name__ == "__main__":
-    parser = argparse.ArgumentParser(description="Monitor a website for changes.")
-    parser.add_argument("url", nargs='?', help="The website URL or domain to monitor.")
-    parser.add_argument("-d", "--domain", help="Domain to monitor.")
-    parser.add_argument("-t", "--time", type=int, default=60,
-                        help="Time interval between checks in seconds (default: 60).")
-    parser.add_argument("-l", "--log", type=str,
-                        help="Optional log file name (default: domain.tld.log)")
-    parser.add_argument("-q", "--quiet", action="store_true",
-                        help="Suppress console output.")
-    parser.add_argument("-e", "--email", nargs='+',
-                        help="Email address(es) to notify on changes.")
-
-    args = parser.parse_args()
-
 target = args.domain if args.domain else args.url
-
 if not target:
     parser.error("You must specify a URL/domain to monitor either as positional argument or with -d/--domain.")
-
-    # Normalize target for filename extraction
 if not urlparse(target).scheme:
     target = "https://" + target
-
 log_file = get_log_filename(target, args.log)
-
 if not os.path.exists(log_file):
     print(f"Log file created at {os.path.abspath(log_file)}")
-
 try:
-        monitor_website(target, args.time, log_file, args.quiet, args.email)
+    monitor_website(target, args.time, log_file, args.quiet, args.email, args.hook)
 except KeyboardInterrupt:
     message = f"[{timestamp()}] Monitoring halted by user (^C)."
     if not args.quiet: