Source code for linkcheck.httputil

# Copyright (C) 2005-2014 Bastian Kleineidam
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
from datetime import datetime


[docs]def x509_to_dict(x509): """Parse a x509 pyopenssl object to a dictionary with keys subject, subjectAltName and optional notAfter. """ from requests.packages.urllib3.contrib.pyopenssl import get_subj_alt_name res = { 'subject': ((('commonName', x509.get_subject().CN),),), 'subjectAltName': [('DNS', value) for value in get_subj_alt_name(x509)] } notAfter = x509.get_notAfter() if notAfter is not None: notAfter = notAfter.decode() parsedtime = asn1_generaltime_to_seconds(notAfter) if parsedtime is not None: res['notAfter'] = parsedtime.strftime('%b %d %H:%M:%S %Y') if parsedtime.tzinfo is None: res['notAfter'] += ' GMT' else: # give up parsing, just set the string res['notAfter'] = notAfter return res
[docs]def asn1_generaltime_to_seconds(timestr): """The given string has one of the following formats YYYYMMDDhhmmssZ YYYYMMDDhhmmss+hhmm YYYYMMDDhhmmss-hhmm @return: a datetime object or None on error """ res = None timeformat = "%Y%m%d%H%M%S" try: res = datetime.strptime(timestr, timeformat + 'Z') except ValueError: try: res = datetime.strptime(timestr, timeformat + '%z') except ValueError: pass return res
[docs]def get_content_type(headers): """ Get the MIME type from the Content-Type header value, or 'application/octet-stream' if not found. @return: MIME type @rtype: string """ ptype = headers.get('Content-Type', 'application/octet-stream') if ";" in ptype: # split off not needed extension info ptype = ptype.split(';')[0] return ptype.strip().lower()