haproxy-wi/app/modules/server/server.py

562 lines
18 KiB
Python

import json
from flask import render_template
import app.modules.db.sql as sql
import app.modules.db.waf as waf_sql
import app.modules.db.server as server_sql
import app.modules.db.backup as backup_sql
import app.modules.db.checker as checker_sql
import app.modules.db.service as service_sql
import app.modules.db.history as history_sql
import app.modules.db.portscanner as ps_sql
import app.modules.server.ssh as mod_ssh
import app.modules.common.common as common
import app.modules.roxywi.auth as roxywi_auth
import app.modules.roxywi.common as roxywi_common
def ssh_command(server_ip: str, commands: str, **kwargs):
if server_ip == '':
raise Exception('error: IP cannot be empty')
if kwargs.get('timeout'):
timeout = kwargs.get('timeout')
else:
timeout = 2
try:
with mod_ssh.ssh_connect(server_ip) as ssh:
if isinstance(commands, list):
command = commands[0]
else:
command = commands
try:
stdin, stdout, stderr = ssh.run_command(command, timeout=timeout)
stdin.close()
except Exception as e:
roxywi_common.handle_exceptions(e, server_ip, 'Something wrong with SSH connection. Probably sudo with password', roxywi=1)
if stderr:
for line in stderr.readlines():
if line:
roxywi_common.handle_exceptions(line, server_ip, line, roxywi=1)
if stdout.channel.recv_exit_status() and kwargs.get('rc'):
roxywi_common.handle_exceptions(stdout.read().decode('utf-8'), server_ip, f'Cannot perform SSH command: {command} ', roxywi=1)
if kwargs.get('raw'):
return stdout.readlines()
elif kwargs.get("show_log") == "1":
import app.modules.roxywi.logs as roxywi_logs
return roxywi_logs.show_log(stdout, grep=kwargs.get("grep"))
else:
return stdout.read().decode(encoding='UTF-8')
except Exception as e:
roxywi_common.handle_exceptions(e, server_ip, '', roxywi=1)
def subprocess_execute(cmd):
import subprocess
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True, universal_newlines=True)
stdout, stderr = p.communicate()
output = stdout.splitlines()
return output, stderr
def subprocess_execute_stream(cmd):
import subprocess
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, shell=True, universal_newlines=True)
for line in iter(p.stdout.readline, ''):
yield line
def subprocess_execute_with_rc(cmd):
import subprocess
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True, universal_newlines=True)
stdout, stderr = p.communicate()
output = stdout.splitlines()
rc = p.returncode
return_out = {'output': output, 'error': stderr, 'rc': rc}
return return_out
def is_file_exists(server_ip: str, file: str) -> bool:
cmd = f'[ -f {file} ] && echo yes || echo no'
out = ssh_command(server_ip, cmd)
return True if 'yes' in out else False
def is_service_active(server_ip: str, service_name: str) -> bool:
cmd = f'systemctl is-active {service_name}'
out = ssh_command(server_ip, cmd)
out = out.strip()
return True if 'active' == out else False
def get_remote_files(server_ip: str, config_dir: str, file_format: str):
config_dir = common.return_nice_path(config_dir)
if file_format == 'conf':
command = f'sudo ls {config_dir}*/*.{file_format}'
else:
command = f'sudo ls {config_dir}|grep {file_format}$'
config_files = ssh_command(server_ip, command)
return config_files
def get_system_info(server_ip: str) -> str:
server_ip = common.is_ip_or_dns(server_ip)
if server_ip == '':
return 'error: IP cannot be empty'
server_id = server_sql.select_server_id_by_ip(server_ip)
command = "sudo lshw -quiet -json"
command1 = 'sudo hostnamectl |grep "Operating System"|awk -F":" \'{print $2}\''
try:
sys_info_returned = ssh_command(server_ip, command, timeout=5)
except Exception as e:
raise Exception(e)
if 'not found' in sys_info_returned:
raise Exception(f'You should install lshw on the server {server_ip}. Update System info after installation.')
try:
os_info = ssh_command(server_ip, command1)
except Exception as e:
raise Exception(e)
os_info = os_info.strip()
system_info = json.loads(sys_info_returned)
sys_info = {'hostname': system_info['id'], 'family': ''}
cpu = {'cpu_model': '', 'cpu_core': 0, 'cpu_thread': 0, 'hz': 0}
network = {}
ram = {'slots': 0, 'size': 0}
disks = {}
try:
sys_info['family'] = system_info['configuration']['family']
except Exception:
pass
for i in system_info['children']:
if i['class'] == 'network':
try:
ip = i['configuration']['ip']
except Exception:
ip = ''
network[i['logicalname']] = {
'description': i['description'],
'mac': i['serial'],
'ip': ip,
'up': i['configuration']['link']
}
for k, j in i.items():
if isinstance(j, list):
for b in j:
try:
if b['class'] == 'processor':
cpu['cpu_model'] = b['product']
cpu['cpu_core'] += 1
cpu['hz'] = round(int(b['capacity']) / 1000000)
try:
cpu['cpu_thread'] += int(b['configuration']['threads'])
except Exception:
cpu['cpu_thread'] = 1
except Exception:
pass
try:
if b['id'] == 'memory':
ram['size'] = round(b['size'] / 1073741824)
ram['slots'] = len(b['children'])
except Exception:
pass
try:
if b['class'] == 'storage':
for p, pval in b.items():
if isinstance(pval, list):
for disks_info in pval:
for volume_info in disks_info['children']:
if isinstance(volume_info['logicalname'], list):
volume_name = volume_info['logicalname'][0]
mount_point = volume_info['logicalname'][1]
size = round(volume_info['capacity'] / 1073741824)
size = str(size) + 'Gb'
fs = volume_info['configuration']['mount.fstype']
state = volume_info['configuration']['state']
disks[volume_name] = {
'mount_point': mount_point,
'size': size,
'fs': fs,
'state': state
}
except Exception:
pass
try:
if b['class'] == 'bridge':
if 'children' in b:
for s in b['children']:
if s['class'] == 'network':
if 'children' in s:
for net in s['children']:
network[net['logicalname']] = {
'description': net['description'],
'mac': net['serial']
}
if s['class'] == 'storage':
for p, pval in s.items():
if isinstance(pval, list):
for disks_info in pval:
if 'children' in disks_info:
for volume_info in disks_info['children']:
if isinstance(volume_info['logicalname'], dict):
volume_name = volume_info['logicalname'][0]
mount_point = volume_info['logicalname'][1]
size = round(volume_info['size'] / 1073741824)
size = str(size) + 'Gb'
fs = volume_info['configuration']['mount.fstype']
state = volume_info['configuration']['state']
disks[volume_name] = {
'mount_point': mount_point,
'size': size,
'fs': fs,
'state': state
}
for z, n in s.items():
if isinstance(n, list):
for y in n:
if y['class'] == 'network':
try:
for q in y['children']:
try:
ip = q['configuration']['ip']
except Exception:
ip = ''
network[q['logicalname']] = {
'description': q['description'],
'mac': q['serial'],
'ip': ip,
'up': q['configuration']['link']}
except Exception:
try:
network[y['logicalname']] = {
'description': y['description'],
'mac': y['serial'],
'ip': y['configuration']['ip'],
'up': y['configuration']['link']}
except Exception:
pass
if y['class'] == 'disk':
try:
for q in y['children']:
try:
if isinstance(q['logicalname'], list):
volume_name = q['logicalname'][0]
mount_point = q['logicalname'][1]
size = round(q['capacity'] / 1073741824)
size = str(size) + 'Gb'
fs = q['configuration']['mount.fstype']
state = q['configuration']['state']
disks[volume_name] = {
'mount_point': mount_point,
'size': size,
'fs': fs,
'state': state
}
except Exception as e:
print(e)
except Exception:
pass
if y['class'] == 'storage' or y['class'] == 'generic':
try:
for q in y['children']:
for o in q['children']:
try:
volume_name = o['logicalname']
mount_point = ''
size = round(o['size'] / 1073741824)
size = str(size) + 'Gb'
fs = ''
state = ''
disks[volume_name] = {
'mount_point': mount_point,
'size': size,
'fs': fs,
'state': state
}
except Exception:
pass
for w in o['children']:
try:
if isinstance(w['logicalname'], list):
volume_name = w['logicalname'][0]
mount_point = w['logicalname'][1]
try:
size = round(w['size'] / 1073741824)
size = str(size) + 'Gb'
except Exception:
size = ''
fs = w['configuration']['mount.fstype']
state = w['configuration']['state']
disks[volume_name] = {
'mount_point': mount_point,
'size': size,
'fs': fs,
'state': state
}
except Exception:
pass
except Exception:
pass
try:
for q, qval in y.items():
if isinstance(qval, list):
for o in qval:
for w in o['children']:
if isinstance(w['logicalname'], list):
volume_name = w['logicalname'][0]
mount_point = w['logicalname'][1]
size = round(w['size'] / 1073741824)
size = str(size) + 'Gb'
fs = w['configuration']['mount.fstype']
state = w['configuration']['state']
disks[volume_name] = {
'mount_point': mount_point,
'size': size,
'fs': fs,
'state': state
}
except Exception:
pass
except Exception:
pass
try:
server_sql.insert_system_info(server_id, os_info, sys_info, cpu, ram, network, disks)
except Exception as e:
raise e
def show_system_info(server_ip: str, server_id: int) -> str:
if not server_sql.is_system_info(server_id):
try:
get_system_info(server_ip)
except Exception as e:
return f'error: Cannot get system info: {e}'
try:
system_info = server_sql.select_one_system_info(server_id)
except Exception as e:
return f'Cannot update server info: {e}'
else:
system_info = server_sql.select_one_system_info(server_id)
return render_template('ajax/show_system_info.html', system_info=system_info, server_ip=server_ip, server_id=server_id)
def update_system_info(server_ip: str, server_id: int) -> str:
server_sql.delete_system_info(server_id)
try:
get_system_info(server_ip)
system_info = server_sql.select_one_system_info(server_id)
return render_template('ajax/show_system_info.html', system_info=system_info, server_ip=server_ip, server_id=server_id)
except Exception as e:
return f'error: Cannot update server info: {e}'
def show_firewalld_rules(server_ip) -> str:
input_chain2 = []
cmd = "sudo iptables -L INPUT -n --line-numbers|sed 's/ */ /g'|grep -v -E 'Chain|target'"
cmd1 = "sudo iptables -L IN_public_allow -n --line-numbers|sed 's/ */ /g'|grep -v -E 'Chain|target'"
cmd2 = "sudo iptables -L OUTPUT -n --line-numbers|sed 's/ */ /g'|grep -v -E 'Chain|target'"
try:
input_chain = ssh_command(server_ip, cmd, raw=1)
except Exception as e:
roxywi_common.logging(server_ip, f'error: Cannot get Iptables Input chain: {e}')
return 'error: Cannot get Iptables Input chain'
try:
in_public_allow = ssh_command(server_ip, cmd1, raw=1)
except Exception as e:
roxywi_common.logging(server_ip, f'error: Cannot get Iptables IN_public_allow chain: {e}')
return 'error: Cannot get Iptables IN_public_allow chain'
try:
output_chain = ssh_command(server_ip, cmd2, raw=1)
except Exception as e:
roxywi_common.logging(server_ip, f'error: Cannot get Iptables OUTPUT chain: {e}')
return 'error: Cannot get Iptables OUTPUT chain'
for each_line in input_chain:
input_chain2.append(each_line.strip('\n'))
lang = roxywi_common.get_user_lang_for_flask()
return render_template('ajax/firewall_rules.html', input_chain=input_chain2, IN_public_allow=in_public_allow, output_chain=output_chain, lang=lang)
def create_server(hostname, ip, group, typeip, enable, master, cred, port, desc, haproxy, nginx, apache, firewall, **kwargs) -> bool:
if not roxywi_auth.is_admin(level=2, role_id=kwargs.get('role_id')):
raise Exception('error: not enough permission')
if server_sql.add_server(hostname, ip, group, typeip, enable, master, cred, port, desc, haproxy, nginx, apache, firewall):
return True
else:
return False
def update_server_after_creating(hostname: str, ip: str, scan_server: int) -> str:
try:
checker_sql.insert_new_checker_setting_for_server(ip)
except Exception as e:
roxywi_common.logging(f'Cannot insert Checker settings for {hostname}', str(e), roxywi=1)
raise Exception(f'error: Cannot insert Checker settings for {hostname} {e}')
try:
if scan_server == '1':
nginx_config_path = sql.get_setting('nginx_config_path')
haproxy_config_path = sql.get_setting('haproxy_config_path')
haproxy_dir = sql.get_setting('haproxy_dir')
apache_config_path = sql.get_setting('apache_config_path')
keepalived_config_path = sql.get_setting('keepalived_config_path')
if is_file_exists(ip, nginx_config_path):
service_sql.update_nginx(ip)
if is_file_exists(ip, haproxy_config_path):
service_sql.update_haproxy(ip)
if is_file_exists(ip, keepalived_config_path):
service_sql.update_keepalived(ip)
if is_file_exists(ip, apache_config_path):
service_sql.update_apache(ip)
if is_file_exists(ip, haproxy_dir + '/waf/bin/modsecurity'):
waf_sql.insert_waf_metrics_enable(ip, "0")
waf_sql.insert_waf_rules(ip)
if is_service_active(ip, 'firewalld'):
server_sql.update_firewall(ip)
except Exception as e:
roxywi_common.logging(f'Cannot scan a new server {hostname}', str(e), roxywi=1)
raise Exception(f'error: Cannot scan a new server {hostname} {e}')
try:
get_system_info(ip)
except Exception as e:
roxywi_common.logging(f'Cannot get information from {hostname}', str(e), roxywi=1, login=1)
raise Exception(f'error: Cannot get information from {hostname} {e}')
return 'ok'
def delete_server(server_id: int) -> str:
server = server_sql.select_servers(id=server_id)
server_ip = ''
hostname = ''
for s in server:
hostname = s[1]
server_ip = s[2]
if backup_sql.check_exists_backup(server_ip):
return 'warning: Delete the backup first'
if backup_sql.check_exists_s3_backup(server_ip):
return 'warning: Delete the S3 backup first'
if server_sql.delete_server(server_id):
waf_sql.delete_waf_server(server_id)
ps_sql.delete_port_scanner_settings(server_id)
waf_sql.delete_waf_rules(server_ip)
history_sql.delete_action_history(server_id)
server_sql.delete_system_info(server_id)
service_sql.delete_service_settings(server_id)
roxywi_common.logging(server_ip, f'The server {hostname} has been deleted', roxywi=1, login=1)
return 'Ok'
def server_is_up(server_ip: str) -> str:
cmd = f'if ping -c 1 -W 1 {server_ip} >> /dev/null; then echo up; else echo down; fi'
server_status, stderr = subprocess_execute(cmd)
return server_status[0]
def show_server_services(server_id: int) -> str:
server = server_sql.select_servers(id=server_id)
lang = roxywi_common.get_user_lang_for_flask()
return render_template('ajax/show_server_services.html', server=server, lang=lang)
def change_server_services(server_id: int, server_name: str, server_services: dict) -> str:
services = service_sql.select_services()
services_status = {}
for k, v in server_services.items():
for service in services:
if service.service_id == int(k):
services_status[service.service_id] = v
try:
if service_sql.update_server_services(server_id, services_status[1], services_status[2], services_status[4], services_status[3]):
roxywi_common.logging('Roxy-WI server', f'Active services have been updated for {server_name}', roxywi=1, login=1)
return 'ok'
except Exception as e:
return f'error: {e}'
def start_ssh_agent() -> dict:
"""
Start SSH agent
:return: Dict of SSH agent socket and pid
"""
agent_settings = {}
cmd = "ssh-agent -s"
output, stderr = subprocess_execute(cmd)
for out in output:
if 'SSH_AUTH_SOCK=' in out:
agent_settings.setdefault('socket', out.split('=')[1].split(';')[0])
if 'SSH_AGENT_PID=' in out:
agent_settings.setdefault('pid', out.split('=')[1].split(';')[0])
if 'error' in stderr:
raise Exception(f'error: Cannot start SSH agent: {stderr}')
return agent_settings
def add_key_to_agent(ssh_settings: dict, agent_pid: dict) -> None:
"""
Add key to SSH agent
:return: None
"""
cmd = f'export SSH_AGENT_PID={agent_pid["pid"]} && export SSH_AUTH_SOCK={agent_pid["socket"]} && '
if ssh_settings['passphrase']:
cmd += f"{{ sleep .1; echo {ssh_settings['passphrase']}; }} | script -q /dev/null -c 'ssh-add {ssh_settings['key']}'"
else:
cmd += f'ssh-add {ssh_settings["key"]}'
output, stderr = subprocess_execute(cmd)
if 'error' in stderr:
raise Exception(f'error: Cannot add the key {ssh_settings["key"]} to SSH agent: {stderr}')
def stop_ssh_agent(agent_pid: dict) -> None:
"""
Stop SSH agent
:return: None
"""
cmd = f'export SSH_AGENT_PID={agent_pid["pid"]} && ssh-agent -k'
output, stderr = subprocess_execute(cmd)
if 'error' in stderr:
raise Exception(f'error: Cannot stop SSH agent: {stderr}')