New test logic, new results

pull/1/head
Marian Steinbach 4 years ago
parent 92fda9958a
commit 56995067ec
  1. 2
      README.md
  2. 7048
      result.json
  3. 221
      spider.py
  4. 32705
      webapp/data/check_2018-04-04_19-10.json

@ -13,6 +13,8 @@ Written and tested in Python3
- submit the URL against a service like Google Page Speed and retrieve the score
- Check against our own webpagetest.org instance
- Detect which one of the well-known CMS is used?
- Certificate expiry warning
- Export and publish the report as a single page web app via GitHub pages
### Usage

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@ -1,9 +1,11 @@
# coding: utf8
from datetime import datetime
from git import Repo
from multiprocessing import Pool
from urllib.parse import urlparse
from socket import gethostbyname_ex
from urllib.parse import urlparse
import certifi
import json
import logging
import os
@ -12,7 +14,6 @@ import requests
import shutil
import sys
import yaml
import json
# configuration
@ -31,12 +32,15 @@ green_directory_repo = 'https://github.com/netzbegruenung/green-directory.git'
green_direcory_data_path = 'data'
green_directory_local_path = './cache/green-directory'
result_path = './webapp/data'
# end configuration
def get_green_directory():
"""
Clones the green directory into the local file system
Clones the source of website URLs, the green directory,
into the local file system using git
"""
if os.path.exists(green_directory_local_path):
shutil.rmtree(green_directory_local_path)
@ -44,6 +48,9 @@ def get_green_directory():
def dir_entries():
"""
Iterator over all data files in the cloned green directory
"""
path = os.path.join(green_directory_local_path, green_direcory_data_path)
for root, dirs, files in os.walk(path):
for fname in files:
@ -56,9 +63,11 @@ def dir_entries():
for doc in yaml.load_all(yamlfile):
yield doc
def repr_entry(entry):
"""
Return string representation of an entry
Return string representation of a directory entry,
for logging/debugging purposes
"""
r = entry['type']
if 'level' in entry:
@ -69,65 +78,160 @@ def repr_entry(entry):
r += "/" + entry['district']
return r
def resolve_hostname(url):
parsed = urlparse(url)
hostname, aliaslist, ipaddrlist = gethostbyname_ex(parsed.hostname)
return (parsed.scheme, hostname, aliaslist, ipaddrlist)
def derive_test_hostnames(hostname):
"""
Derives the hostnames variants to test for a given host name.
From 'gruene-x.de' or 'www.gruene-x.de' it makes
['gruene-x.de', 'www.gruene-x.de']
which are both plausible web URLs to be used for a domain.
"""
hostnames = set()
hostnames.add(hostname)
if hostname.startswith('www.'):
hostnames.add(hostname[4:])
else:
hostnames.add('www.' + hostname)
return list(hostnames)
def reduce_urls(urllist):
"""
Reduce a list of urls with metadata by eliminating those
that either don't work or lead somewhere else
"""
targets = set()
for u in urllist:
if u['error'] is not None:
continue
if u['redirects_to'] is not None:
targets.add(u['redirects_to'])
else:
targets.add(u['url'])
return list(targets)
def check_site(url):
"""
Performs our site check and returns results as a dict
Performs our site check and returns results as a dict.
1. Normalize the input URL and derive the URLs to check for
2. HEAD the check urls
3. Determine the canonical URL
4. Run full check on canonical URL
"""
headers = {
'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 green-spider/0.1'
}
result = {
'status_code': 0,
'error': None,
'redirects': 0,
'final_url': None,
'hostname': None,
'scheme': None,
'aliases': None,
'ip_addresses': None,
'duration': 0,
'input_url': url,
'hostnames': [],
'resolvable_urls': [],
'canonical_urls': [],
'urlchecks': [],
}
try:
(scheme, hostname, aliases, ip_addresses) = resolve_hostname(url)
result['scheme'] = scheme
result['hostname'] = hostname
result['aliases'] = aliases
result['ip_addresses'] = ip_addresses
except Exception as e:
logging.error(str(e) + " " + url)
# derive hostnames to test
parsed = urlparse(url)
hostnames = derive_test_hostnames(parsed.hostname)
headers = {
'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 green-spider/0.1'
}
try:
r = requests.get(url, headers=headers, timeout=(connect_timeout, read_timeout))
result['status_code'] = r.status_code
if len(r.history) > 0:
result['redirects'] = len(r.history)
result['final_url'] = r.url
result['duration'] = round(r.elapsed.microseconds / 1000)
except requests.exceptions.ConnectionError as e:
logging.error(str(e) + " " + url)
result['error'] = "connection"
except requests.exceptions.Timeout as e:
logging.error(str(e) + " " + url)
result['error'] = "connection_timeout"
except requests.exceptions.ReadTimeout as e:
logging.error(str(e) + " " + url)
result['error'] = "read_timeout"
except Exception as e:
logging.error(str(e) + " " + url)
result['error'] = "unknown"
logging.info("%s done" % url)
processed_hostnames = []
for hn in hostnames:
record = {
'input_hostname': hn,
'resolvable': False,
}
try:
hostname, aliases, ip_addresses = gethostbyname_ex(hn)
record['resolvable'] = True
record['resolved_hostname'] = hostname
record['aliases'] = aliases
record['ip_addresses'] = ip_addresses
except:
pass
processed_hostnames.append(record)
result['hostnames'] = processed_hostnames
checked_urls = []
for item in processed_hostnames:
if not item['resolvable']:
continue
for scheme in ('http', 'https'):
record = {
'url': scheme + '://' + item['resolved_hostname'] + '/',
'error': None,
'redirects_to': None,
}
try:
r = requests.head(record['url'], headers=headers, allow_redirects=True)
if r.url == url:
logging.info("URL: %s - status %s - no redirect" % (record['url'], r.status_code))
else:
logging.info("URL: %s - status %s - redirects to %s" % (record['url'], r.status_code, r.url))
record['redirects_to'] = r.url
except Exception as e:
record['error'] = {
'type': str(type(e)),
'message': str(e),
}
logging.info("URL %s: %s %s" % (url, str(type(e)), e))
checked_urls.append(record)
result['resolvable_urls'] = checked_urls
result['canonical_urls'] = reduce_urls(checked_urls)
# Deeper test for the remaining (canonical) URL(s)
for check_url in result['canonical_urls']:
logging.info("Checking URL %s" % check_url)
check = {
'url': check_url,
'status_code': None,
'duration': None,
'error': None,
}
try:
r = requests.get(check_url, headers=headers, timeout=(connect_timeout, read_timeout))
check['status_code'] = r.status_code
check['duration'] = round(r.elapsed.microseconds / 1000)
except requests.exceptions.ConnectionError as e:
logging.error(str(e) + " " + check_url)
check['error'] = "connection"
except requests.exceptions.Timeout as e:
logging.error(str(e) + " " + check_url)
check['error'] = "connection_timeout"
except requests.exceptions.ReadTimeout as e:
logging.error(str(e) + " " + check_url)
check['error'] = "read_timeout"
except Exception as e:
logging.error(str(e) + " " + check_url)
check['error'] = "unknown"
result['urlchecks'].append(check)
return result
def main():
logging.basicConfig(level=logging.INFO)
logging.getLogger("urllib3").setLevel(logging.CRITICAL)
get_green_directory()
@ -139,7 +243,7 @@ def main():
continue
if 'urls' not in entry:
logging.info("Entry %s does not have any URLs." % repr_entry(entry))
logging.debug("Entry %s does not have any URLs." % repr_entry(entry))
continue
website_url = None
@ -167,12 +271,21 @@ def main():
for url in urls:
results[url] = check_site(url)
results2 = {}
results2 = []
done = set()
# convert results from ApplyResult to dict
for url in results.keys():
results2[url] = results[url].get()
if url not in done:
results2.append(results[url].get())
done.add(url)
now = datetime.utcnow()
with open('result.json', 'w', encoding="utf8") as jsonfile:
# Write result as JSON
now_stamp = now.strftime('%Y-%m-%d_%H-%M')
output_filename = os.path.join(result_path, 'check_' + now_stamp + ".json")
with open(output_filename, 'w', encoding="utf8") as jsonfile:
json.dump(results2, jsonfile, indent=2, sort_keys=True)

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