Files
Bjorn/web_utils/system_utils.py

359 lines
16 KiB
Python

# web_utils/system_utils.py
"""
System utilities for management operations.
Handles system commands, service management, configuration.
"""
from __future__ import annotations
import json
import subprocess
import logging
import os
import time
from typing import Any, Dict, Optional
from logger import Logger
logger = Logger(name="system_utils.py", level=logging.DEBUG)
class SystemUtils:
"""Utilities for system-level operations."""
def __init__(self, shared_data):
self.logger = logger
self.shared_data = shared_data
def reboot_system(self, handler):
"""Reboot the system."""
try:
command = "sudo reboot"
subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
handler.send_response(200)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "success", "message": "System is rebooting"}).encode('utf-8'))
except subprocess.CalledProcessError as e:
handler.send_response(500)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "error", "message": str(e)}).encode('utf-8'))
def shutdown_system(self, handler):
"""Shutdown the system."""
try:
command = "sudo shutdown now"
subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
handler.send_response(200)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "success", "message": "System is shutting down"}).encode('utf-8'))
except subprocess.CalledProcessError as e:
handler.send_response(500)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "error", "message": str(e)}).encode('utf-8'))
def restart_bjorn_service(self, handler):
"""Restart the Bjorn service."""
if not hasattr(handler, 'send_response'):
raise TypeError("Invalid handler passed. Expected an HTTP handler.")
try:
command = "sudo systemctl restart bjorn.service"
subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
handler.send_response(200)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "success", "message": "Bjorn service restarted successfully"}).encode('utf-8'))
except subprocess.CalledProcessError as e:
handler.send_response(500)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "error", "message": str(e)}).encode('utf-8'))
def clear_logs(self, handler):
"""Clear logs directory contents."""
try:
command = "sudo rm -rf data/logs/*"
subprocess.Popen(command, shell=True)
handler.send_response(200)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "success", "message": "Logs cleared successfully"}).encode('utf-8'))
except Exception as e:
handler.send_response(500)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "error", "message": str(e)}).encode('utf-8'))
def initialize_db(self, handler):
"""Initialize or prepare database schema."""
try:
self.shared_data.sync_actions_to_database()
self.shared_data.initialize_database()
self.shared_data.initialize_statistics()
handler.send_response(200)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "success", "message": "Database initialized successfully"}).encode("utf-8"))
except Exception as e:
handler.send_response(500)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "error", "message": str(e)}).encode("utf-8"))
def erase_bjorn_memories(self, handler):
"""Erase all Bjorn-related memories and restart service."""
try:
# Import file_utils for clear operations
from web_utils.file_utils import FileUtils
file_utils = FileUtils(self.logger, self.shared_data)
# Clear various components
file_utils.clear_output_folder(handler)
self.clear_netkb(handler, restart=False)
self.clear_livestatus(handler, restart=False)
self.clear_actions_file(handler, restart=False)
self.clear_shared_config_json(handler, restart=False)
self.clear_logs(handler)
# Restart service once at the end
self.logger.debug("Restarting Bjorn service after clearing memories...")
self.restart_bjorn_service(handler)
self.logger.info("Bjorn memories erased and service restarted successfully.")
handler.send_response(200)
handler.send_header('Content-type', 'application/json')
handler.end_headers()
handler.wfile.write(json.dumps({
"status": "success",
"message": "Bjorn memories erased and service restarted successfully."
}).encode('utf-8'))
except Exception as e:
self.logger.error(f"Error erasing Bjorn memories: {str(e)}")
handler.send_response(500)
handler.send_header('Content-type', 'application/json')
handler.end_headers()
handler.wfile.write(json.dumps({
"status": "error",
"message": f"Error erasing Bjorn memories: {str(e)}"
}).encode('utf-8'))
def clear_netkb(self, handler, restart=True):
"""Clear network knowledge base in database."""
try:
db = self.shared_data.db
db.execute("DELETE FROM action_results;")
db.execute("DELETE FROM hosts;")
db.update_livestats(0, 0, 0, 0)
if restart:
self.restart_bjorn_service(handler)
handler.send_response(200)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "success", "message": "NetKB cleared in database"}).encode("utf-8"))
except Exception as e:
handler.send_response(500)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "error", "message": str(e)}).encode("utf-8"))
def clear_livestatus(self, handler, restart=True):
"""Clear live status counters."""
try:
self.shared_data.db.update_livestats(0, 0, 0, 0)
if restart:
self.restart_bjorn_service(handler)
handler.send_response(200)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "success", "message": "Livestatus counters reset"}).encode("utf-8"))
except Exception as e:
handler.send_response(500)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "error", "message": str(e)}).encode("utf-8"))
def clear_actions_file(self, handler, restart=True):
"""Clear actions table and resynchronize from modules."""
try:
self.shared_data.db.execute("DELETE FROM actions;")
self.shared_data.generate_actions_json()
if restart:
self.restart_bjorn_service(handler)
handler.send_response(200)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "success", "message": "Actions table refreshed"}).encode("utf-8"))
except Exception as e:
handler.send_response(500)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "error", "message": str(e)}).encode("utf-8"))
def clear_shared_config_json(self, handler, restart=True):
"""Reset configuration to defaults."""
try:
self.shared_data.config = self.shared_data.get_default_config()
self.shared_data.save_config()
if restart:
self.restart_bjorn_service(handler)
handler.send_response(200)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "success", "message": "Configuration reset to defaults"}).encode("utf-8"))
except Exception as e:
handler.send_response(500)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "error", "message": str(e)}).encode("utf-8"))
def save_configuration(self, data):
"""Save configuration to database."""
try:
if not isinstance(data, dict):
return {"status": "error", "message": "Invalid data format: expected dictionary"}
cfg = dict(self.shared_data.config)
for k, v in data.items():
if isinstance(v, bool):
cfg[k] = v
elif isinstance(v, str) and v.lower() in ('true', 'false'):
cfg[k] = (v.lower() == 'true')
elif isinstance(v, (int, float)):
cfg[k] = v
elif isinstance(v, list) or v is None:
cfg[k] = [] if v is None else [x for x in v if x != ""]
elif isinstance(v, str):
cfg[k] = float(v) if v.replace('.', '', 1).isdigit() and '.' in v else (int(v) if v.isdigit() else v)
else:
cfg[k] = v
self.shared_data.config = cfg
self.shared_data.save_config()
self.shared_data.load_config()
return {"status": "success", "message": "Configuration saved"}
except Exception as e:
self.logger.error(f"Error saving configuration: {e}")
return {"status": "error", "message": str(e)}
def serve_current_config(self, handler):
"""Serve current configuration as JSON."""
handler.send_response(200)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps(self.shared_data.config).encode('utf-8'))
def restore_default_config(self, handler):
"""Restore default configuration."""
handler.send_response(200)
handler.send_header("Content-type", "application/json")
handler.end_headers()
self.shared_data.config = self.shared_data.default_config.copy()
self.shared_data.save_config()
handler.wfile.write(json.dumps(self.shared_data.config).encode('utf-8'))
def serve_logs(self, handler):
"""Serve logs for web console."""
try:
log_file_path = self.shared_data.webconsolelog
if not os.path.exists(log_file_path):
subprocess.Popen(f"sudo tail -f /home/bjorn/Bjorn/data/logs/* > {log_file_path}", shell=True)
with open(log_file_path, 'r') as log_file:
log_lines = log_file.readlines()
max_lines = 2000
if len(log_lines) > max_lines:
log_lines = log_lines[-max_lines:]
with open(log_file_path, 'w') as log_file:
log_file.writelines(log_lines)
log_data = ''.join(log_lines)
handler.send_response(200)
handler.send_header("Content-type", "text/plain")
handler.end_headers()
handler.wfile.write(log_data.encode('utf-8'))
except BrokenPipeError:
pass
except Exception as e:
handler.send_response(500)
handler.send_header("Content-type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps({"status": "error", "message": str(e)}).encode('utf-8'))
def sse_log_stream(self, handler):
"""Stream logs using Server-Sent Events (SSE)."""
try:
handler.send_response(200)
handler.send_header("Content-Type", "text/event-stream")
handler.send_header("Cache-Control", "no-cache")
handler.send_header("Connection", "keep-alive")
handler.send_header("Access-Control-Allow-Origin", "*")
handler.end_headers()
log_file_path = self.shared_data.log_file
handler.wfile.write(b"data: Connected\n\n")
handler.wfile.flush()
with open(log_file_path, 'r') as log_file:
log_file.seek(0, os.SEEK_END)
while True:
line = log_file.readline()
if line:
message = f"data: {line.strip()}\n\n"
handler.wfile.write(message.encode('utf-8'))
handler.wfile.flush()
else:
handler.wfile.write(b": heartbeat\n\n")
handler.wfile.flush()
time.sleep(1)
except (ConnectionResetError, ConnectionAbortedError, BrokenPipeError) as e:
self.logger.info("Client disconnected from SSE stream")
except Exception as e:
self.logger.error(f"SSE Error: {e}")
finally:
self.logger.info("SSE stream closed")
def serve_bjorn_status(self, handler):
"""Serve Bjorn status information."""
try:
status_data = {
"status": self.shared_data.bjorn_orch_status,
"status2": self.shared_data.bjorn_status_text2,
"image_path": "/bjorn_status_image?t=" + str(int(time.time()))
}
handler.send_response(200)
handler.send_header("Content-Type", "application/json")
handler.end_headers()
handler.wfile.write(json.dumps(status_data).encode('utf-8'))
except BrokenPipeError:
pass
except Exception as e:
self.logger.error(f"Error in serve_bjorn_status: {str(e)}")
def check_manual_mode(self, handler):
"""Check if manual mode is enabled."""
try:
handler.send_response(200)
handler.send_header("Content-type", "text/plain")
handler.end_headers()
handler.wfile.write(str(self.shared_data.manual_mode).encode('utf-8'))
except Exception as e:
handler.send_response(500)
handler.end_headers()
def check_console_autostart(self, handler):
"""Check console autostart setting."""
try:
handler.send_response(200)
handler.send_header("Content-type", "text/plain")
handler.end_headers()
handler.wfile.write(str(self.shared_data.consoleonwebstart).encode('utf-8'))
except Exception as e:
handler.send_response(500)
handler.end_headers()