"""
server_info.py - A /info route that displays request details.
Designed to work even before the session module is added.
Later it will automatically show session and login status.
"""
from datetime import datetime
# Try to import the session module – it may not exist yet.
# This lets the /info page work during all development stages.
try:
import session as session_mod # type: ignore[import]
HAS_SESSION = True
except ImportError:
HAS_SESSION = False
def handle(handler):
# Gather information that every HTTP request provides
client_ip = handler.client_address[0]
client_port = handler.client_address[1]
request_line = f"{handler.command} {handler.path} {handler.request_version}"
headers = handler.headers
current_time = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
# Check if session data was attached by the main server
has_session_data = (
HAS_SESSION and
hasattr(handler, 'session') and
handler.session is not None
)
# Build the HTML page piece by piece
body_parts = [
'',
'',
'Server Info',
'',
'Server Info
',
f'Current server time: {current_time}
',
f'Client IP: {client_ip}:{client_port}
',
f'Request: {request_line}
',
'Session
',
]
if has_session_data:
# Session is active – show details and increment a visit counter
handler.session['visits'] = handler.session.get('visits', 0) + 1
body_parts.extend([
f'Status: Active
',
f'Session ID: {handler._sid}
',
f'New session? {"Yes" if handler._new_sid else "No"}
',
f'Visit count (this session): {handler.session["visits"]}
'
])
if 'user' in handler.session:
body_parts.append(f'Logged in as: {handler.session["user"]}
')
else:
# No session module loaded yet – show a helpful message
body_parts.append('Status: Sessions not active
')
if not HAS_SESSION:
body_parts.append('(session.py module not found)
')
else:
body_parts.append('(ENABLE_SESSIONS may be False)
')
# Show all HTTP headers the client sent
body_parts.append('Request Headers
')
for name, value in headers.items():
body_parts.append(f'- {name}: {value}
')
body_parts.append('
')
body_parts.append('Go to home page
')
body_parts.append('')
body = '\n'.join(body_parts)
content = body.encode('utf-8')
# Send the HTTP response
handler.send_response(200)
handler.send_header('Content-Type', 'text/html; charset=utf-8')
handler.send_header('Content-Length', len(content))
# If sessions are active and this is a new session, set the cookie
if HAS_SESSION and getattr(handler, '_new_sid', False):
session_mod.set_session_cookie(handler)
handler.end_headers()
handler.wfile.write(content)