125 lines
4.0 KiB
Python
125 lines
4.0 KiB
Python
# Copyright 2016 Intel, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import jsonpatch
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from oslo_config import cfg
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import random
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import wsme
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from mogan.common.i18n import _
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CONF = cfg.CONF
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JSONPATCH_EXCEPTIONS = (jsonpatch.JsonPatchException,
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jsonpatch.JsonPointerException,
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KeyError)
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# Default symbols to use for passwords. Avoids visually confusing characters.
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# ~6 bits per symbol
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DEFAULT_PASSWORD_SYMBOLS = ('23456789', # Removed: 0,1
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'ABCDEFGHJKLMNPQRSTUVWXYZ', # Removed: I, O
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'abcdefghijkmnopqrstuvwxyz') # Removed: l
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def validate_limit(limit):
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if limit is None:
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return CONF.api.max_limit
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if limit <= 0:
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raise wsme.exc.ClientSideError(_("Limit must be positive"))
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return min(CONF.api.max_limit, limit)
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def validate_sort_dir(sort_dir):
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if sort_dir not in ['asc', 'desc']:
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raise wsme.exc.ClientSideError(_("Invalid sort direction: %s. "
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"Acceptable values are "
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"'asc' or 'desc'") % sort_dir)
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return sort_dir
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def apply_jsonpatch(doc, patch):
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for p in patch:
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if p['op'] == 'add' and p['path'].count('/') == 1:
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if p['path'].lstrip('/') not in doc:
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msg = _('Adding a new attribute (%s) to the root of '
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' the resource is not allowed')
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raise wsme.exc.ClientSideError(msg % p['path'])
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return jsonpatch.apply_patch(doc, jsonpatch.JsonPatch(patch))
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def show_addresses(nics):
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addresses = {}
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for nic in nics:
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address = []
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for fixed_ip in nic.get('fixed_ips', []):
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address.append({'addr': fixed_ip['ip_address'],
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'type': 'fixed'})
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if nic.get('floating_ip'):
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address.append({'addr': nic['floating_ip'],
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'type': 'floating'})
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key = nic.get('network_id')
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if addresses.get(key):
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addresses[key] = addresses[key] + address
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else:
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addresses[key] = address
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return addresses
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def show_nics(nics):
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show_keys = ['port_id', 'network_id', 'mac_address',
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'fixed_ips', 'floating_ip', 'extra']
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ret_nics = []
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for nic in nics:
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ret_nics.append({key: value for key, value in nic.items() if key in
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show_keys})
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return ret_nics
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def generate_password(length=None, symbolgroups=DEFAULT_PASSWORD_SYMBOLS):
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"""Generate a random password from the supplied symbol groups.
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At least one symbol from each group will be included. Unpredictable
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results if length is less than the number of symbol groups.
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Believed to be reasonably secure (with a reasonable password length!)
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"""
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if length is None:
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length = CONF.password_length
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r = random.SystemRandom()
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password = [r.choice(s) for s in symbolgroups]
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# If length < len(symbolgroups), the leading characters will only
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# be from the first length groups. Try our best to not be predictable
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# by shuffling and then truncating.
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r.shuffle(password)
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password = password[:length]
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length -= len(password)
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# then fill with random characters from all symbol groups
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symbols = ''.join(symbolgroups)
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password.extend([r.choice(symbols) for _i in range(length)])
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# finally shuffle to ensure first x characters aren't from a
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# predictable group
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r.shuffle(password)
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return ''.join(password)
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