227 lines
9.3 KiB
Python
Executable File
227 lines
9.3 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
import argparse
|
|
import asyncio
|
|
import json
|
|
import os
|
|
import sys
|
|
import tempfile
|
|
import traceback
|
|
import urllib
|
|
|
|
import numpy as np
|
|
import requests
|
|
from PIL import Image
|
|
from nio import AsyncClient, AsyncClientConfig, LoginResponse, RoomSendError
|
|
from urllib3.exceptions import InsecureRequestWarning
|
|
|
|
from checker import nagios
|
|
from checker.synapse_client import send_image, write_login_details_to_disk
|
|
|
|
parser = argparse.ArgumentParser(description='')
|
|
parser.add_argument('--user', required=True, help='User ID for the bot.')
|
|
parser.add_argument('--pw', required=True, help='Password for the bot.')
|
|
parser.add_argument('--hs', required=True, help='Homeserver of the bot.')
|
|
parser.add_argument('--admin-endpoint', required=True, help='Admin endpoint that will be called to purge media for this user.')
|
|
parser.add_argument('--room', required=True, help='The room the bot should send its test messages in.')
|
|
parser.add_argument('--check-domain', required=True, help='The domain that should be present.')
|
|
parser.add_argument('--media-cdn-redirect', default='true', help='If set, the server must respond with a redirect to the media CDN domain.')
|
|
parser.add_argument('--required-headers', nargs='*', help="If these headers aren't set to the correct value, critical. Use the format 'key=value")
|
|
parser.add_argument('--auth-file', help="File to cache the bot's login details to.")
|
|
parser.add_argument('--timeout', type=float, default=90, help='Request timeout limit.')
|
|
parser.add_argument('--warn', type=float, default=2.0, help='Manually set warn level.')
|
|
parser.add_argument('--crit', type=float, default=2.5, help='Manually set critical level.')
|
|
args = parser.parse_args()
|
|
|
|
if args.media_cdn_redirect == 'true':
|
|
args.media_cdn_redirect = True
|
|
elif args.media_cdn_redirect == 'false':
|
|
args.media_cdn_redirect = False
|
|
else:
|
|
print('UNKNOWN: could not parse the value for --media-cdn-redirect')
|
|
sys.exit(nagios.UNKNOWN)
|
|
|
|
|
|
def verify_media_header(header: str, header_dict: dict, good_value: str = None, warn_value: str = None, critical_value: str = None):
|
|
"""
|
|
If you don't specify good_value, warn_value, or critical_value then the header will only be checked for existience.
|
|
"""
|
|
|
|
# Convert everything to lowercase strings to prevent any wierdness
|
|
header_dict = {k.lower(): v for k, v in header_dict.items()}
|
|
header = header.lower()
|
|
header_value = str(header_dict.get(header))
|
|
warn_value = str(warn_value)
|
|
critical_value = str(critical_value)
|
|
if not header_value:
|
|
return f'CRITICAL: missing header\n"{header}"', nagios.CRITICAL
|
|
|
|
if good_value:
|
|
good_value = str(good_value)
|
|
if header_value == good_value:
|
|
return f'OK: {header}: "{header_value}"', nagios.OK
|
|
else:
|
|
return f'CRITICAL: {header} is not "{good_value}", is "{header_value}"', nagios.CRITICAL
|
|
# elif warn_value and header_value == warn_value:
|
|
# return f'WARN: {header}: "{header_value}"', nagios.WARNING
|
|
# elif critical_value and header_value == critical_value:
|
|
# return f'CRITICAL: {header}: "{header_value}"', nagios.CRITICAL
|
|
return f'OK: {header} is present', nagios.OK # with value "{header_value}"'
|
|
|
|
|
|
async def main() -> None:
|
|
exit_code = nagios.OK
|
|
|
|
async def cleanup(client, test_image_path, image_event_id=None):
|
|
nonlocal exit_code
|
|
# Clean up
|
|
if image_event_id:
|
|
await client.room_redact(args.room, image_event_id)
|
|
os.remove(test_image_path)
|
|
await client.close()
|
|
|
|
requests.packages.urllib3.disable_warnings(category=InsecureRequestWarning)
|
|
try:
|
|
r = requests.delete(f'{args.admin_endpoint}/_synapse/admin/v1/users/{args.user}/media', headers={'Authorization': f'Bearer {client.access_token}'}, verify=False)
|
|
if r.status_code != 200:
|
|
if nagios.WARNING < exit_code:
|
|
exit_code = nagios.WARNING
|
|
return f"WARN: failed to purge media for this user.\n{r.text}"
|
|
else:
|
|
return None
|
|
except Exception as e:
|
|
if nagios.WARNING < exit_code:
|
|
exit_code = nagios.WARNING
|
|
return f"WARN: failed to purge media for this user.\n{e}"
|
|
|
|
client = AsyncClient(args.hs, args.user, config=AsyncClientConfig(request_timeout=args.timeout, max_timeout_retry_wait_time=10))
|
|
if args.auth_file:
|
|
# If there are no previously-saved credentials, we'll use the password
|
|
if not os.path.exists(args.auth_file):
|
|
resp = await client.login(args.pw)
|
|
|
|
# check that we logged in successfully
|
|
if isinstance(resp, LoginResponse):
|
|
write_login_details_to_disk(resp, args.hs, args.auth_file)
|
|
else:
|
|
print(f'CRITICAL: failed to log in.\n{resp}')
|
|
sys.exit(nagios.CRITICAL)
|
|
else:
|
|
# Otherwise the config file exists, so we'll use the stored credentials
|
|
with open(args.auth_file, "r") as f:
|
|
config = json.load(f)
|
|
client = AsyncClient(config["homeserver"])
|
|
client.access_token = config["access_token"]
|
|
client.user_id = config["user_id"]
|
|
client.device_id = config["device_id"]
|
|
else:
|
|
await client.login(args.pw)
|
|
|
|
await client.join(args.room)
|
|
|
|
# Create a random image
|
|
imarray = np.random.rand(100, 100, 3) * 255
|
|
im = Image.fromarray(imarray.astype('uint8')).convert('RGBA')
|
|
_, test_image_path = tempfile.mkstemp()
|
|
test_image_path = test_image_path + '.png'
|
|
im.save(test_image_path)
|
|
|
|
# Send the image and get the event ID
|
|
image_event_id = (await send_image(client, args.room, test_image_path))
|
|
if isinstance(image_event_id, RoomSendError):
|
|
await cleanup(client, test_image_path)
|
|
print(f'CRITICAL: failed to send message.\n{image_event_id}')
|
|
sys.exit(nagios.CRITICAL)
|
|
image_event_id = image_event_id.event_id
|
|
|
|
# Get the event
|
|
image_event = (await client.room_get_event(args.room, image_event_id)).event
|
|
|
|
# convert mxc:// to http://
|
|
target_file_url = await client.mxc_to_http(image_event.url)
|
|
|
|
# Check the headers. Ignore the non-async thing here, it doesn't
|
|
# matter in this situation.
|
|
r = requests.head(target_file_url, allow_redirects=False)
|
|
|
|
prints = []
|
|
|
|
if r.status_code != 200 and not args.media_cdn_redirect:
|
|
await cleanup(client, test_image_path, image_event_id=image_event_id)
|
|
prints.append(f'CRITICAL: status code is "{r.status_code}"')
|
|
sys.exit(nagios.CRITICAL)
|
|
else:
|
|
prints.append(f'OK: status code is "{r.status_code}"')
|
|
|
|
headers = dict(r.headers)
|
|
|
|
# Check domain
|
|
if args.media_cdn_redirect:
|
|
if 'location' in headers:
|
|
domain = urllib.parse.urlparse(headers['location']).netloc
|
|
if domain != args.check_domain:
|
|
exit_code = nagios.CRITICAL
|
|
prints.append(f'CRITICAL: redirect to media CDN domain is "{domain}"')
|
|
else:
|
|
prints.append(f'OK: media CDN domain is "{domain}"')
|
|
else:
|
|
exit_code = nagios.CRITICAL
|
|
prints.append(f'CRITICAL: was not redirected to the media CDN domain.')
|
|
|
|
# Make sure we aren't redirected if we're a Synapse server
|
|
test = requests.head(target_file_url, headers={'User-Agent': 'Synapse/1.77.3'}, allow_redirects=False)
|
|
if test.status_code != 200:
|
|
prints.append('CRITICAL: Synapse user-agent is redirected with status code', test.status_code)
|
|
exit_code = nagios.CRITICAL
|
|
else:
|
|
prints.append(f'OK: Synapse user-agent is not redirected.')
|
|
else:
|
|
if 'location' in headers:
|
|
exit_code = nagios.CRITICAL
|
|
prints.append(f"CRITICAL: recieved 301 to {urllib.parse.urlparse(headers['location']).netloc}")
|
|
else:
|
|
prints.append(f'OK: was not redirected.')
|
|
|
|
if args.required_headers:
|
|
# Icinga may pass the values as one string
|
|
if len(args.required_headers) == 1:
|
|
args.required_headers = args.required_headers[0].split(' ')
|
|
for item in args.required_headers:
|
|
key, value = item.split('=')
|
|
header_chk, code = verify_media_header(key, headers, good_value=value)
|
|
prints.append(header_chk)
|
|
if code > exit_code:
|
|
exit_code = code
|
|
|
|
# results = [verify_media_header('synapse-media-local-status', headers), verify_media_header('synapse-media-s3-status', headers, good_value='200'), verify_media_header('synapse-media-server', headers, good_value='s3')]
|
|
# for header_chk, code in results:
|
|
# prints.append(header_chk)
|
|
# if code > exit_code:
|
|
# exit_code = code
|
|
|
|
clean_msg = await cleanup(client, test_image_path, image_event_id=image_event_id)
|
|
|
|
if exit_code == nagios.OK:
|
|
print('OK: media CDN is good.')
|
|
elif exit_code == nagios.UNKNOWN:
|
|
print('UNKNOWN: media CDN is bad.')
|
|
elif exit_code == nagios.WARNING:
|
|
print('WARNING: media CDN is bad.')
|
|
elif exit_code == nagios.CRITICAL:
|
|
print('CRITICAL: media CDN is bad.')
|
|
for msg in prints:
|
|
print(msg)
|
|
|
|
if clean_msg:
|
|
print(clean_msg)
|
|
|
|
sys.exit(exit_code)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
try:
|
|
asyncio.run(main())
|
|
except Exception as e:
|
|
print(f'UNKNOWN: exception\n{e}')
|
|
print(traceback.format_exc())
|
|
sys.exit(nagios.UNKNOWN)
|