import re import json import requests import hashlib import ipaddress import os # from app import app from distutils.version import StrictVersion from urllib.parse import urlparse from datetime import datetime, timedelta from threading import Thread from .certutil import KEY_FILE, CERT_FILE def auth_from_url(url): auth = None parsed_url = urlparse(url).netloc if '@' in parsed_url: auth = parsed_url.split('@')[0].split(':') auth = requests.auth.HTTPBasicAuth(auth[0], auth[1]) return auth def fetch_remote(remote_url, method='GET', data=None, accept=None, params=None, timeout=None, headers=None): if data is not None and type(data) != str: data = json.dumps(data) verify = False our_headers = { 'user-agent': 'powerdnsadmin/0', 'pragma': 'no-cache', 'cache-control': 'no-cache' } if accept is not None: our_headers['accept'] = accept if headers is not None: our_headers.update(headers) r = requests.request(method, remote_url, headers=headers, verify=verify, auth=auth_from_url(remote_url), timeout=timeout, data=data, params=params) try: if r.status_code not in (200, 201, 204, 400, 409, 422): r.raise_for_status() except Exception as e: msg = "Returned status {0} and content {1}" raise RuntimeError('Error while fetching {0}'.format(remote_url)) return r def fetch_json(remote_url, method='GET', data=None, params=None, headers=None, timeout=None): r = fetch_remote(remote_url, method=method, data=data, params=params, headers=headers, timeout=timeout, accept='application/json; q=1') if method == "DELETE": return True if r.status_code == 204: return {} elif r.status_code == 409: return {'error': 'Resource already exists or conflict', 'http_code': r.status_code} try: assert ('json' in r.headers['content-type']) except Exception as e: raise RuntimeError( 'Error while fetching {0}'.format(remote_url)) from e # don't use r.json here, as it will read from r.text, which will trigger # content encoding auto-detection in almost all cases, WHICH IS EXTREMELY # SLOOOOOOOOOOOOOOOOOOOOOOW. just don't. data = None try: data = json.loads(r.content.decode('utf-8')) except Exception as e: raise RuntimeError( 'Error while loading JSON data from {0}'.format(remote_url)) from e return data def display_record_name(data): record_name, domain_name = data if record_name == domain_name: return '@' else: return re.sub('\.{}$'.format(domain_name), '', record_name) def display_master_name(data): """ input data: "[u'127.0.0.1', u'8.8.8.8']" """ matches = re.findall(r'\'(.+?)\'', data) return ", ".join(matches) def display_time(amount, units='s', remove_seconds=True): """ Convert timestamp to normal time format """ amount = int(amount) INTERVALS = [(lambda mlsec: divmod(mlsec, 1000), 'ms'), (lambda seconds: divmod(seconds, 60), 's'), (lambda minutes: divmod(minutes, 60), 'm'), (lambda hours: divmod(hours, 24), 'h'), (lambda days: divmod(days, 7), 'D'), (lambda weeks: divmod(weeks, 4), 'W'), (lambda years: divmod(years, 12), 'M'), (lambda decades: divmod(decades, 10), 'Y')] for index_start, (interval, unit) in enumerate(INTERVALS): if unit == units: break amount_abrev = [] last_index = 0 amount_temp = amount for index, (formula, abrev) in enumerate(INTERVALS[index_start:len(INTERVALS)]): divmod_result = formula(amount_temp) amount_temp = divmod_result[0] amount_abrev.append((divmod_result[1], abrev)) if divmod_result[1] > 0: last_index = index amount_abrev_partial = amount_abrev[0:last_index + 1] amount_abrev_partial.reverse() final_string = '' for amount, abrev in amount_abrev_partial: final_string += str(amount) + abrev + ' ' if remove_seconds and 'm' in final_string: final_string = final_string[:final_string.rfind(' ')] return final_string[:final_string.rfind(' ')] return final_string def pdns_api_extended_uri(version): """ Check the pdns version """ if StrictVersion(version) >= StrictVersion('4.0.0'): return "/api/v1" else: return "" def email_to_gravatar_url(email="", size=100): """ AD doesn't necessarily have email """ if email is None: email = "" hash_string = hashlib.md5(email.encode('utf-8')).hexdigest() return "https://s.gravatar.com/avatar/{0}?s={1}".format(hash_string, size) def prepare_flask_request(request): # If server is behind proxys or balancers use the HTTP_X_FORWARDED fields url_data = urlparse(request.url) return { 'https': 'on' if request.scheme == 'https' else 'off', 'http_host': request.host, 'server_port': url_data.port, 'script_name': request.path, 'get_data': request.args.copy(), 'post_data': request.form.copy(), # Uncomment if using ADFS as IdP, https://github.com/onelogin/python-saml/pull/144 'lowercase_urlencoding': True, 'query_string': request.query_string } def init_saml_auth(req): own_url = '' if req['https'] == 'on': own_url = 'https://' else: own_url = 'http://' own_url += req['http_host'] metadata = get_idp_data() settings = {} settings['sp'] = {} if 'SAML_NAMEID_FORMAT' in app.config: settings['sp']['NameIDFormat'] = app.config['SAML_NAMEID_FORMAT'] else: settings['sp']['NameIDFormat'] = idp_data.get('sp', {}).get( 'NameIDFormat', 'urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified') settings['sp']['entityId'] = app.config['SAML_SP_ENTITY_ID'] if os.path.isfile(CERT_FILE): cert = open(CERT_FILE, "r").readlines() settings['sp']['x509cert'] = "".join(cert) if os.path.isfile(KEY_FILE): key = open(KEY_FILE, "r").readlines() settings['sp']['privateKey'] = "".join(key) settings['sp']['assertionConsumerService'] = {} settings['sp']['assertionConsumerService'][ 'binding'] = 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST' settings['sp']['assertionConsumerService'][ 'url'] = own_url + '/saml/authorized' settings['sp']['attributeConsumingService'] = {} settings['sp']['singleLogoutService'] = {} settings['sp']['singleLogoutService'][ 'binding'] = 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect' settings['sp']['singleLogoutService']['url'] = own_url + '/saml/sls' settings['idp'] = metadata['idp'] settings['strict'] = True settings['debug'] = app.config['SAML_DEBUG'] settings['security'] = {} settings['security'][ 'digestAlgorithm'] = 'http://www.w3.org/2001/04/xmldsig-more#rsa-sha256' settings['security']['metadataCacheDuration'] = None settings['security']['metadataValidUntil'] = None settings['security']['requestedAuthnContext'] = True settings['security'][ 'signatureAlgorithm'] = 'http://www.w3.org/2001/04/xmldsig-more#rsa-sha256' settings['security']['wantAssertionsEncrypted'] = False settings['security']['wantAttributeStatement'] = True settings['security']['wantNameId'] = True settings['security']['authnRequestsSigned'] = app.config[ 'SAML_SIGN_REQUEST'] settings['security']['logoutRequestSigned'] = app.config[ 'SAML_SIGN_REQUEST'] settings['security']['logoutResponseSigned'] = app.config[ 'SAML_SIGN_REQUEST'] settings['security']['nameIdEncrypted'] = False settings['security']['signMetadata'] = True settings['security']['wantAssertionsSigned'] = True settings['security']['wantMessagesSigned'] = app.config.get( 'SAML_WANT_MESSAGE_SIGNED', True) settings['security']['wantNameIdEncrypted'] = False settings['contactPerson'] = {} settings['contactPerson']['support'] = {} settings['contactPerson']['support']['emailAddress'] = app.config[ 'SAML_SP_CONTACT_NAME'] settings['contactPerson']['support']['givenName'] = app.config[ 'SAML_SP_CONTACT_MAIL'] settings['contactPerson']['technical'] = {} settings['contactPerson']['technical']['emailAddress'] = app.config[ 'SAML_SP_CONTACT_NAME'] settings['contactPerson']['technical']['givenName'] = app.config[ 'SAML_SP_CONTACT_MAIL'] settings['organization'] = {} settings['organization']['en-US'] = {} settings['organization']['en-US']['displayname'] = 'PowerDNS-Admin' settings['organization']['en-US']['name'] = 'PowerDNS-Admin' settings['organization']['en-US']['url'] = own_url auth = OneLogin_Saml2_Auth(req, settings) return auth def display_setting_state(value): if value == 1: return "ON" elif value == 0: return "OFF" else: return "UNKNOWN" def validate_ipaddress(address): try: ip = ipaddress.ip_address(address) except ValueError: pass else: if isinstance(ip, (ipaddress.IPv4Address, ipaddress.IPv6Address)): return [ip] return [] class customBoxes: boxes = { "reverse": (" ", " "), "ip6arpa": ("ip6", "%.ip6.arpa"), "inaddrarpa": ("in-addr", "%.in-addr.arpa") } order = ["reverse", "ip6arpa", "inaddrarpa"]