60 rader
1,8 KiB
Python
60 rader
1,8 KiB
Python
"""ibt2 utils
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Miscellaneous utilities.
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Copyright 2016 Davide Alberani <da@erlug.linux.it>
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RaspiBO <info@raspibo.org>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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import json
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import string
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import random
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import hashlib
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import datetime
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from bson.objectid import ObjectId
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def hash_password(password, salt=None):
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"""Hash a password.
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:param password: the cleartext password
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:type password: str
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:param salt: the optional salt (randomly generated, if None)
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:type salt: str
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:returns: the hashed password
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:rtype: str"""
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if salt is None:
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salt_pool = string.ascii_letters + string.digits
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salt = ''.join(random.choice(salt_pool) for x in xrange(32))
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hash_ = hashlib.sha512('%s%s' % (salt, password))
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return '$%s$%s' % (salt, hash_.hexdigest())
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class ImprovedEncoder(json.JSONEncoder):
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"""Enhance the default JSON encoder to serialize datetime and ObjectId instances."""
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def default(self, o):
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if isinstance(o, (datetime.datetime, datetime.date,
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datetime.time, datetime.timedelta, ObjectId)):
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try:
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return str(o)
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except:
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pass
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elif isinstance(o, set):
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return list(o)
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return json.JSONEncoder.default(self, o)
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# Inject our class as the default encoder.
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json._default_encoder = ImprovedEncoder()
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