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check_https.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
""" @todo docstring me """
# @todo break into phases:
# 1. Download, report bad urls
# 2. Check hashes, report bad hashes
# 3. Unzip, report by extract_dirs
from __future__ import (
absolute_import,
division,
print_function,
# unicode_literals
)
import datetime
import email.utils
import glob
import hashlib
import io
import logging
import json
import re
import os
# import pprint
# @todo implement progressbar
import shutil
import ssl
import stat
import subprocess
import sys
# import time
import urllib2
# import zipfile
from six.moves.urllib.parse import urlsplit, urlunsplit # pylint: disable=import-error
import jsoncomment
import urllib3
import urllib3.contrib.pyopenssl
import certifi
import requests
DOWNLOADER = 'urllib3'
if DOWNLOADER == 'urllib3':
urllib3.contrib.pyopenssl.inject_into_urllib3()
# UA = "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36"
# SF_UA = "Scoop/1.0 (+http://scoop.sh/) (Windows NT 6.1; WOW64)"
UA = "Scoop/1.0 (+http://scoop.sh/) (Windows NT 6.1; WOW64)"
# UAS = {'sourceforge.net': SF_UA}
UAS = {}
NO_REFERRERS = ['sourceforge.net']
temp_drive = os.environ['TEMP_DRIVE']
if not temp_drive:
temp_drive = 'l:'
TMP_DIR = '%s/tmp' % temp_drive
# https://stackoverflow.com/a/4829285/1432614
def on_rm_error(func, path, exc_info):
# path contains the path of the file that couldn't be removed
# let's just assume that it's read-only and unlink it.
os.chmod(path, stat.S_IWRITE)
return os.unlink(path)
class CheckURLs(object):
""" @todo docstring me """
def __init__(self):
""" @todo docstring me """
self.check_https = True
self.check_hash = True
self.check_exists = True
self.dir = ''
self.file = ''
self.basename = ''
self.data = ''
self.logger = None
self.tmp_file = ''
self.tmp_dir = ''
self.zip_file = ''
self.zip_dir = ''
self.head_file = ''
self.head_values = {}
def is_https(self, url):
""" @todo docstring me """
scheme = self.get_scheme(url).lower()
return scheme == 'https'
def is_http_or_https(self, url):
""" @todo docstring me """
scheme = self.get_scheme(url).lower()
return re.search(r'^(https|http)$', scheme, re.I) is not None
def get_scheme(self, url):
""" @todo docstring me """
parts = list(urlsplit(url))
if parts:
return parts[0]
logging.warning('Cannot split %s', url)
return None
def get_host(self, url):
""" @todo docstring me """
parts = list(urlsplit(url))
if len(parts) > 1:
return parts[1]
logging.warning('Cannot split %s', url)
return None
def is_sourceforge(self, url):
""" @todo docstring me """
host = self.get_host(url)
return re.search(r'sourceforge\.net$', host, re.I) is not None
def get_ua(self, url):
""" @todo docstring me """
host = self.get_host(url)
if not host:
logging.warning('Cannot split %s', url)
return UA
for regex in UAS:
if re.search(re.escape(regex), host, re.I):
return UAS[regex]
return UA
def change_scheme(self, url, new_scheme='https'):
""" @todo docstring me """
if not self.is_http_or_https(url):
return url
parts = list(urlsplit(url))
if not parts:
logging.warning('Cannot split %s', url)
return url
if parts[0] == new_scheme:
return url
parts[0] = new_scheme
return urlunsplit(parts)
def get_referer(self, url):
""" @todo docstring me """
parts = list(urlsplit(url))
if len(parts) < 2:
logging.warning('Cannot split %s', url)
return url
for referer in NO_REFERRERS:
if re.search(re.escape(referer), parts[1], re.I):
return ''
m = re.search(r'(.*/)[^/]+$', parts[2])
if m:
base = m.group(1)
else:
base = '/'
return urlunsplit([parts[0], parts[1], base, '', ''])
def get_filenames(self, url, key):
INVALID_FILE_CHARS = '<>"|?*:/\\%'
m = re.search(r'/([^/]+)/?$', url)
if not m:
logging.warning('%s: no / in url: %s', key, url)
return False
self.tmp_dir = os.path.join(TMP_DIR, '~', self.basename)
file = m.group(1)
for c in INVALID_FILE_CHARS:
file = file.replace(c, '-')
self.tmp_file = os.path.join(self.tmp_dir, file)
self.head_file = os.path.join(self.tmp_dir, '.' + file)
(basename, extension) = os.path.splitext(file)
if basename == file:
self.zip_dir = ''
self.zip_file = ''
return True
# if re.search('\.zip', extension, re.I):
self.zip_dir = os.path.join(self.tmp_dir, basename)
self.zip_file = self.tmp_file
# logging.info('self.zip_dir="%s" self.zip_file="%s"', self.zip_dir, self.zip_file)
# else:
# self.zip_dir = ''
# self.zip_file = ''
return True
def rmtree(self, dir):
def on_rm_error(func, path, exc_info):
logging.error('path=%s', path)
# path contains the path of the file that couldn't be removed
# let's just assume that it's read-only and unlink it.
os.chmod(path, stat.S_IWRITE)
return os.unlink(path)
# https://stackoverflow.com/a/4829285/1432614
return shutil.rmtree(dir, onerror=on_rm_error)
def save(self, url, data, key):
""" @todo docstring me """
if re.search(r'(autoupdate|checkver|github|homepage|license)', key,
re.I):
return False
try:
if os.path.exists(self.tmp_dir):
self.rmtree(self.tmp_dir)
if not os.path.exists(self.tmp_dir):
os.makedirs(self.tmp_dir)
logging.debug('%s: Saving %s bytes to %s', key,
len(data), self.tmp_file)
self.save_headers()
with io.open(self.tmp_file, 'wb') as f:
f.write(data)
if 'epoch' in self.head_values:
os.utime(self.tmp_file, (self.head_values['epoch'],
self.head_values['epoch']))
except Exception as e:
logging.exception(e)
return False
return True
def save_headers(self):
if not os.path.exists(self.tmp_dir):
os.makedirs(self.tmp_dir)
# logging.debug("Saving %s", self.head_file)
jsons = json.dumps(
self.head_values, sort_keys=True, indent=4, separators=(',', ': '))
with open(self.head_file, 'w') as f:
f.write(jsons)
def download(self, url, headers):
""" @todo docstring me """
status = None
data = None
if DOWNLOADER == 'urllib3':
# retries = urllib3.util.retry.Retry(connect=1, read=1)
http = urllib3.PoolManager(
# retries=retries,
cert_reqs=ssl.CERT_REQUIRED,
ca_certs=certifi.where())
r = http.request('HEAD', url, headers=headers)
self.head_values = {}
h = r.getheaders()
for k, v in h.iteritems():
self.head_values[k] = v
# logging.debug(self.head_values)
last_modified = r.getheader('Last-Modified')
# logging.debug('last_modified=%s', last_modified)
etag = r.getheader('ETag')
# logging.debug('etag=%s', etag)
if last_modified or etag:
epoch = 0
if last_modified:
# https://stackoverflow.com/a/1472336/1432614
dt = datetime.datetime(
*email.utils.parsedate(last_modified)[:6])
# logging.debug('dt=%s', dt)
# https://stackoverflow.com/a/11743262/1432614
epoch = (
dt - datetime.datetime(1970, 1, 1)).total_seconds()
epoch = int(epoch)
# logging.debug('epoch=%s', epoch)
self.head_values['epoch'] = epoch
if os.path.isfile(self.head_file):
with open(self.head_file) as f:
old_values = json.load(f)
if 'epoch' in old_values:
if old_values['epoch'] == epoch:
self.save_headers()
status = 304 # not modified
if os.path.isfile(self.tmp_file):
with open(self.tmp_file, 'rb') as f:
data = f.read()
return (status, data)
if 'etag' in old_values:
if old_values['ETag'] == etag:
self.save_headers()
status = 304 # not modified
if os.path.isfile(self.tmp_file):
with open(self.tmp_file, 'rb') as f:
data = f.read()
return (status, data)
self.save_headers()
r = http.request('GET', url, headers=headers)
status = r.status
data = r.data
if DOWNLOADER == 'requests':
r = requests.get(url, headers=headers)
status = r.status_code
data = r.content
if DOWNLOADER == 'urllib2':
request = urllib2.Request(url, headers=headers)
data = urllib2.urlopen(request).read()
status = request.getcode()
return (status, data)
def unzip(self, url, data, key):
""" @todo docstring me """
if not self.zip_file:
return True
if not os.path.exists(self.zip_file):
return True
logging.debug('%s: Unzipping %s to %s', key, self.zip_file,
self.zip_dir)
if os.path.exists(self.zip_dir):
self.rmtree(self.zip_dir)
if not os.path.exists(self.zip_dir):
# logging.debug("Creating directory '%s'", self.zip_dir)
os.makedirs(self.zip_dir)
cmd = '7z x -bb0 -y -o"%s" "%s">NUL' % (self.zip_dir, self.zip_file)
logging.debug(cmd)
os.system(cmd)
return True
"""
try:
z = zipfile.ZipFile(self.zip_file, 'r')
# https://stackoverflow.com/a/9813471/1432614
for f in z.infolist():
name, date_time = f.filename, f.date_time
# logging.debug("name='%s'", name)
name = os.path.join(self.zip_dir, name)
if not os.path.exists(os.path.dirname(name)):
# logging.debug("Creating directory '%s'", os.path.dirname(name))
os.makedirs(os.path.dirname(name))
# logging.debug("Creating '%s'", name)
z.extract(f, self.zip_dir)
# with open(name, 'w') as outFile:
# outFile.write(z.open(f).read())
date_time = time.mktime(date_time + (0, 0, -1))
if os.path.exists(name):
# logging.debug("Setting time")
os.utime(name, (date_time, date_time))
else:
pass
# logging.debug("Cannot set time as file not found: %s", name)
# z.extractall(self.zip_dir)
except Exception as e:
logging.exception(e)
finally:
z.close()
return True
"""
def get(self, url, key='', whine=True):
""" @todo docstring me """
ssl_errors = ['MaxRetryError', 'SSLError']
if re.search(r'(autoupdate|checkver|github|homepage|license)', key,
re.I):
return False
if not self.is_http_or_https(url):
logging.debug('%s %s: %s', key, 'not http or https', url)
return False
try:
logging.debug('%s: Retrieving %s', key, url)
ua = self.get_ua(url)
headers = {'User-Agent': ua}
referer = self.get_referer(url)
if referer:
headers['Referer'] = referer
self.get_filenames(url, key)
(status, data) = self.download(url, headers)
if status == 304:
logging.debug('%s: Status %s: %s', key, status, url)
return data
if status < 200 or status > 299:
if whine:
logging.error('%s: Error %s: %s', key, status, url)
return False
logging.debug('%s: Status %s: %s', key, status, url)
self.save(url, data, key)
self.unzip(url, data, key)
return data
except Exception as e:
reason = ''
if hasattr(e, 'reason'):
reason = e.reason
elif hasattr(e, 'code'):
reason = e.code
if type(e).__name__ in ssl_errors:
logging.debug('%s: Exception %s: %s (%s)', key,
type(e).__name__, reason, url)
return False
logging.error('%s: Exception %s: %s (%s)', key,
type(e).__name__, reason, url)
logging.exception(e)
return False
def check_url(self, url, key, hash='', desc=''):
""" @todo docstring me """
hashmap = {
32: 'md5',
40: 'sha1',
64: 'sha256',
128: 'sha512',
}
if desc:
key += '.' + desc
logging.debug('%s: %s (%s)', key, url, hash)
if not hash and self.is_https(url) and not self.check_exists:
return False
if self.check_https and not self.is_https(url):
new_url = self.change_scheme(url)
else:
new_url = url
content = False
if self.check_exists:
retry = self.is_https(new_url)
else:
retry = new_url != url and hash
content = self.get(new_url, key, not retry)
if retry and not content:
if self.check_exists:
new_url = self.change_scheme(url, 'http')
else:
new_url = url
content = self.get(new_url, key)
if not content:
logging.debug('%s: No content for %s', key, new_url)
return False
if self.check_hash and hash:
logging.debug('%s: Verifying hash %s', key, hash)
m = re.search(r':([^:]+)$', hash)
if m:
hash = m.group(1).strip()
hashlen = len(hash)
if hashlen not in hashmap:
logging.error('%s: Unknown hash type %s: %s', key, hashlen,
hash)
else:
h = hashlib.new(hashmap[hashlen])
h.update(content)
chash = h.hexdigest().lower()
if chash == hash.lower():
logging.debug('%s: Hashes match: %s', key, chash)
else:
output = subprocess.check_output(['file', self.tmp_file])
if re.search(r'html', output, re.I) is None:
logging.error('%s: Found %s, expected %s (%s)', key,
chash, hash, url)
for line in output.splitlines():
line = line.split()
if line:
logging.error(line)
self.data = re.sub(hash, chash, self.data)
if new_url == url:
return ''
old_data = self.data
logging.error('%s: Changing\n%s to\n%s', key, url, new_url)
self.data = re.sub(re.escape(url), new_url, self.data)
if self.data != old_data:
logging.debug('%s: Returning %s', key, self.get_scheme(new_url))
return self.get_scheme(new_url)
logging.debug('%s: Returning ""', key)
return ''
def check_urls(self, url_or_list, key, hash='', desc=''):
""" @todo docstring me """
# if desc:
# key += '.' + desc
if isinstance(url_or_list, list):
schemes = []
for index, url in enumerate(url_or_list):
hash_value = ''
if isinstance(hash, list):
if len(hash) > index:
hash_value = hash[index]
schemes.append(self.check_url(url, key, hash_value, desc))
return schemes
return self.check_url(url_or_list, key, hash, desc)
def process(self, j, key, hash='', desc=''):
""" @todo docstring me """
if key not in j:
return False
if isinstance(j[key], dict):
if 'url' not in j[key]:
return False
if not hash and self.check_hash and 'hash' in j[key]:
hash = j[key]['hash']
return self.check_urls(j[key]['url'], key, hash, desc)
return self.check_urls(j[key], key, hash, desc)
def _fix_scheme(self, url, key, scheme='https', desc=''):
""" @todo docstring me """
if desc:
key += '.' + desc
if isinstance(scheme, list):
logging.info("_fix_scheme: scheme=%s", ",".join(scheme))
scheme = scheme[0]
logging.info("_fix_scheme: scheme=%s", scheme)
new_url = self.change_scheme(url, scheme)
old_data = self.data
if new_url != url:
self.data = re.sub(re.escape(url), new_url, self.data)
if self.data != old_data:
logging.debug('%s: Changing %s to %s', key, url, new_url)
return self.data != old_data
def _fix_schemes(self, url_or_list, key, scheme='https', desc=''):
""" @todo docstring me """
# if desc:
# key += '.' + desc
if isinstance(url_or_list, list):
updated = False
for index, url in enumerate(url_or_list):
if isinstance(scheme, list):
logging.info("_fix_schemes: scheme=%s", ",".join(scheme))
if index < len(scheme):
scheme = scheme[index]
else:
scheme = scheme[0]
logging.info("_fix_schemes: scheme=%s", scheme)
updated |= self._fix_scheme(url, key, scheme, desc)
return updated
# logging.debug('scheme=%s', scheme)
return self._fix_scheme(url_or_list, key, scheme, desc)
def fix_schemes(self, j, key, scheme='https', desc=''):
""" @todo docstring me """
if key not in j:
return False
if isinstance(j[key], dict):
if 'url' not in j[key]:
return False
logging.info("fix_schemes: scheme=%s", scheme)
return self._fix_schemes(j[key]['url'], key, scheme, desc)
logging.info("fix_schemes: scheme=%s", scheme)
return self._fix_schemes(j[key], key, scheme, desc)
def schemes_changed(self, schemes):
if isinstance(schemes, list):
for scheme in schemes:
if scheme:
return True
return False
return schemes
def run(self):
""" @todo docstring me """
if len(sys.argv) >= 3:
filespec = sys.argv[2]
else:
filespec = '*.json'
if len(sys.argv) >= 2:
dir_name = sys.argv[1]
else:
dir_name = '.'
self.dir = dir_name
self.logger = logging.getLogger()
self.logger.setLevel(logging.INFO)
logger2 = logging.getLogger('urllib3')
logger2.setLevel(logging.CRITICAL)
parser = jsoncomment.JsonComment(json)
if not os.path.isdir(TMP_DIR):
os.makedirs(TMP_DIR)
mask = dir_name + '/' + filespec
logging.info("==> Processing dir %s", mask)
for file in glob.glob(mask):
self.file = os.path.basename(file)
self.basename = os.path.splitext(self.file)[0]
logging.info("--> Processing file %s", file)
with io.open(file, 'r', encoding='utf-8') as f:
self.data = f.read()
orig_data = self.data
j = parser.loads(self.data)
hash = ''
if self.check_hash and 'hash' in j:
hash = j['hash']
scheme = self.process(j, 'homepage')
scheme = self.process(j, 'license')
scheme = self.process(j, 'url', hash)
if self.schemes_changed(scheme):
logging.info("run: url: scheme=%s", scheme)
self.fix_schemes(j, 'autoupdate', scheme)
scheme = self.process(j, 'checkver')
if 'checkver' in j:
if isinstance(j['checkver'], dict):
scheme = self.process(j['checkver'], 'github')
if 'architecture' in j:
scheme = self.process(j['architecture'], '32bit', '',
'architecture')
if self.schemes_changed(scheme):
logging.info("run: architecture.32bit: scheme=%s", scheme)
if 'autoupdate' in j:
if 'architecture' in j['autoupdate']:
self.fix_schemes(j['autoupdate']['architecture'],
'32bit', scheme,
'autoupdate.architecture')
scheme = self.process(j['architecture'], '64bit', '',
'architecture')
if self.schemes_changed(scheme):
logging.info("run: architecture.64bit: scheme=%s", scheme)
if 'autoupdate' in j:
if 'architecture' in j['autoupdate']:
self.fix_schemes(j['autoupdate']['architecture'],
'64bit', scheme,
'autoupdate.architecture')
if self.data != orig_data:
logging.info("Updating %s", file)
if os.path.isfile(file + '.bak'):
os.remove(file + '.bak')
os.rename(file, file + '.bak')
with io.open(file, 'w', encoding='utf-8') as f:
f.write(self.data)
checker = CheckURLs()
checker.run()
sys.exit(0)