root / snf-pithos-backend / pithos / backends / modular.py @ f9ea264b
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1 | 2e662088 | Antony Chazapis | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | a9b3f29d | Antony Chazapis | #
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3 | a9b3f29d | Antony Chazapis | # Redistribution and use in source and binary forms, with or
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4 | a9b3f29d | Antony Chazapis | # without modification, are permitted provided that the following
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5 | a9b3f29d | Antony Chazapis | # conditions are met:
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6 | a9b3f29d | Antony Chazapis | #
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7 | a9b3f29d | Antony Chazapis | # 1. Redistributions of source code must retain the above
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8 | a9b3f29d | Antony Chazapis | # copyright notice, this list of conditions and the following
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9 | a9b3f29d | Antony Chazapis | # disclaimer.
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10 | a9b3f29d | Antony Chazapis | #
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11 | 7ff57991 | Antony Chazapis | # 2. Redistributions in binary form must reproduce the above
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12 | 7ff57991 | Antony Chazapis | # copyright notice, this list of conditions and the following
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13 | a9b3f29d | Antony Chazapis | # disclaimer in the documentation and/or other materials
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14 | a9b3f29d | Antony Chazapis | # provided with the distribution.
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15 | a9b3f29d | Antony Chazapis | #
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16 | a9b3f29d | Antony Chazapis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | a9b3f29d | Antony Chazapis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | a9b3f29d | Antony Chazapis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | a9b3f29d | Antony Chazapis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | a9b3f29d | Antony Chazapis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | a9b3f29d | Antony Chazapis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | a9b3f29d | Antony Chazapis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | a9b3f29d | Antony Chazapis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | a9b3f29d | Antony Chazapis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | a9b3f29d | Antony Chazapis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | a9b3f29d | Antony Chazapis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | a9b3f29d | Antony Chazapis | # POSSIBILITY OF SUCH DAMAGE.
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28 | a9b3f29d | Antony Chazapis | #
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29 | a9b3f29d | Antony Chazapis | # The views and conclusions contained in the software and
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30 | a9b3f29d | Antony Chazapis | # documentation are those of the authors and should not be
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31 | a9b3f29d | Antony Chazapis | # interpreted as representing official policies, either expressed
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32 | a9b3f29d | Antony Chazapis | # or implied, of GRNET S.A.
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33 | a9b3f29d | Antony Chazapis | |
34 | 2c5363a0 | Antony Chazapis | import sys |
35 | a9b3f29d | Antony Chazapis | import os |
36 | a9b3f29d | Antony Chazapis | import time |
37 | 37bee317 | Antony Chazapis | import uuid as uuidlib |
38 | a9b3f29d | Antony Chazapis | import logging |
39 | 6e147ecc | Antony Chazapis | import hashlib |
40 | a9b3f29d | Antony Chazapis | import binascii |
41 | a9b3f29d | Antony Chazapis | |
42 | 228de81b | Antony Chazapis | from base import DEFAULT_QUOTA, DEFAULT_VERSIONING, NotAllowedError, QuotaError, BaseBackend |
43 | a9b3f29d | Antony Chazapis | |
44 | 6e147ecc | Antony Chazapis | # Stripped-down version of the HashMap class found in tools.
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45 | 6e147ecc | Antony Chazapis | class HashMap(list): |
46 | 6e147ecc | Antony Chazapis | |
47 | 6e147ecc | Antony Chazapis | def __init__(self, blocksize, blockhash): |
48 | 6e147ecc | Antony Chazapis | super(HashMap, self).__init__() |
49 | 6e147ecc | Antony Chazapis | self.blocksize = blocksize
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50 | 6e147ecc | Antony Chazapis | self.blockhash = blockhash
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51 | 6e147ecc | Antony Chazapis | |
52 | 6e147ecc | Antony Chazapis | def _hash_raw(self, v): |
53 | 6e147ecc | Antony Chazapis | h = hashlib.new(self.blockhash)
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54 | 6e147ecc | Antony Chazapis | h.update(v) |
55 | 6e147ecc | Antony Chazapis | return h.digest()
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56 | 6e147ecc | Antony Chazapis | |
57 | 6e147ecc | Antony Chazapis | def hash(self): |
58 | 6e147ecc | Antony Chazapis | if len(self) == 0: |
59 | 6e147ecc | Antony Chazapis | return self._hash_raw('') |
60 | 6e147ecc | Antony Chazapis | if len(self) == 1: |
61 | 6e147ecc | Antony Chazapis | return self.__getitem__(0) |
62 | 6e147ecc | Antony Chazapis | |
63 | 6e147ecc | Antony Chazapis | h = list(self) |
64 | 6e147ecc | Antony Chazapis | s = 2
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65 | 6e147ecc | Antony Chazapis | while s < len(h): |
66 | 6e147ecc | Antony Chazapis | s = s * 2
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67 | 6e147ecc | Antony Chazapis | h += [('\x00' * len(h[0]))] * (s - len(h)) |
68 | 6e147ecc | Antony Chazapis | while len(h) > 1: |
69 | 6e147ecc | Antony Chazapis | h = [self._hash_raw(h[x] + h[x + 1]) for x in range(0, len(h), 2)] |
70 | 6e147ecc | Antony Chazapis | return h[0] |
71 | 5a96180b | Antony Chazapis | |
72 | 228de81b | Antony Chazapis | # Default modules and settings.
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73 | 228de81b | Antony Chazapis | DEFAULT_DB_MODULE = 'pithos.backends.lib.sqlalchemy'
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74 | 228de81b | Antony Chazapis | DEFAULT_DB_CONNECTION = 'sqlite:///backend.db'
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75 | 228de81b | Antony Chazapis | DEFAULT_BLOCK_MODULE = 'pithos.backends.lib.hashfiler'
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76 | 228de81b | Antony Chazapis | DEFAULT_BLOCK_PATH = 'data/'
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77 | fa9cae7e | Antony Chazapis | #DEFAULT_QUEUE_MODULE = 'pithos.backends.lib.rabbitmq'
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78 | fa9cae7e | Antony Chazapis | #DEFAULT_QUEUE_CONNECTION = 'rabbitmq://guest:guest@localhost:5672/pithos'
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79 | fa9cae7e | Antony Chazapis | |
80 | fa9cae7e | Antony Chazapis | QUEUE_MESSAGE_KEY = '#'
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81 | fa9cae7e | Antony Chazapis | QUEUE_CLIENT_ID = 2 # Pithos. |
82 | 228de81b | Antony Chazapis | |
83 | 44ad5860 | Antony Chazapis | ( CLUSTER_NORMAL, CLUSTER_HISTORY, CLUSTER_DELETED ) = range(3) |
84 | 44ad5860 | Antony Chazapis | |
85 | 44ad5860 | Antony Chazapis | inf = float('inf') |
86 | 44ad5860 | Antony Chazapis | |
87 | bb4eafc6 | Antony Chazapis | ULTIMATE_ANSWER = 42
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88 | bb4eafc6 | Antony Chazapis | |
89 | a9b3f29d | Antony Chazapis | |
90 | a9b3f29d | Antony Chazapis | logger = logging.getLogger(__name__) |
91 | a9b3f29d | Antony Chazapis | |
92 | 1c2fc0ff | Antony Chazapis | |
93 | a9b3f29d | Antony Chazapis | def backend_method(func=None, autocommit=1): |
94 | a9b3f29d | Antony Chazapis | if func is None: |
95 | a9b3f29d | Antony Chazapis | def fn(func): |
96 | a9b3f29d | Antony Chazapis | return backend_method(func, autocommit)
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97 | a9b3f29d | Antony Chazapis | return fn
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98 | a9b3f29d | Antony Chazapis | |
99 | a9b3f29d | Antony Chazapis | if not autocommit: |
100 | a9b3f29d | Antony Chazapis | return func
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101 | a9b3f29d | Antony Chazapis | def fn(self, *args, **kw): |
102 | 2c5363a0 | Antony Chazapis | self.wrapper.execute()
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103 | a9b3f29d | Antony Chazapis | try:
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104 | a9b3f29d | Antony Chazapis | ret = func(self, *args, **kw)
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105 | 2c5363a0 | Antony Chazapis | self.wrapper.commit()
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106 | a9b3f29d | Antony Chazapis | return ret
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107 | a9b3f29d | Antony Chazapis | except:
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108 | 2c5363a0 | Antony Chazapis | self.wrapper.rollback()
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109 | a9b3f29d | Antony Chazapis | raise
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110 | a9b3f29d | Antony Chazapis | return fn
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111 | a9b3f29d | Antony Chazapis | |
112 | a9b3f29d | Antony Chazapis | |
113 | a9b3f29d | Antony Chazapis | class ModularBackend(BaseBackend): |
114 | a9b3f29d | Antony Chazapis | """A modular backend.
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115 | a9b3f29d | Antony Chazapis |
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116 | e9363f82 | Antony Chazapis | Uses modules for SQL functions and storage.
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117 | a9b3f29d | Antony Chazapis | """
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118 | a9b3f29d | Antony Chazapis | |
119 | 46286f5f | Antony Chazapis | def __init__(self, db_module=None, db_connection=None, |
120 | 46286f5f | Antony Chazapis | block_module=None, block_path=None, |
121 | 46286f5f | Antony Chazapis | queue_module=None, queue_connection=None): |
122 | 228de81b | Antony Chazapis | db_module = db_module or DEFAULT_DB_MODULE
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123 | 228de81b | Antony Chazapis | db_connection = db_connection or DEFAULT_DB_CONNECTION
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124 | 228de81b | Antony Chazapis | block_module = block_module or DEFAULT_BLOCK_MODULE
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125 | 228de81b | Antony Chazapis | block_path = block_path or DEFAULT_BLOCK_PATH
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126 | 46286f5f | Antony Chazapis | #queue_module = queue_module or DEFAULT_QUEUE_MODULE
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127 | 46286f5f | Antony Chazapis | #queue_connection = queue_connection or DEFAULT_QUEUE_CONNECTION
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128 | f81e20b0 | Giorgos Verigakis | |
129 | a9b3f29d | Antony Chazapis | self.hash_algorithm = 'sha256' |
130 | a9b3f29d | Antony Chazapis | self.block_size = 4 * 1024 * 1024 # 4MB |
131 | a9b3f29d | Antony Chazapis | |
132 | 228de81b | Antony Chazapis | self.default_policy = {'quota': DEFAULT_QUOTA, 'versioning': DEFAULT_VERSIONING} |
133 | a9b3f29d | Antony Chazapis | |
134 | 46286f5f | Antony Chazapis | def load_module(m): |
135 | 46286f5f | Antony Chazapis | __import__(m)
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136 | 46286f5f | Antony Chazapis | return sys.modules[m]
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137 | a9b3f29d | Antony Chazapis | |
138 | 46286f5f | Antony Chazapis | self.db_module = load_module(db_module)
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139 | 46286f5f | Antony Chazapis | self.wrapper = self.db_module.DBWrapper(db_connection) |
140 | e9363f82 | Antony Chazapis | params = {'wrapper': self.wrapper} |
141 | e9363f82 | Antony Chazapis | self.permissions = self.db_module.Permissions(**params) |
142 | e9363f82 | Antony Chazapis | for x in ['READ', 'WRITE']: |
143 | e9363f82 | Antony Chazapis | setattr(self, x, getattr(self.db_module, x)) |
144 | e9363f82 | Antony Chazapis | self.node = self.db_module.Node(**params) |
145 | 33b4e4a6 | Antony Chazapis | for x in ['ROOTNODE', 'SERIAL', 'HASH', 'SIZE', 'TYPE', 'MTIME', 'MUSER', 'UUID', 'CHECKSUM', 'CLUSTER', 'MATCH_PREFIX', 'MATCH_EXACT']: |
146 | e9363f82 | Antony Chazapis | setattr(self, x, getattr(self.db_module, x)) |
147 | e9363f82 | Antony Chazapis | |
148 | 46286f5f | Antony Chazapis | self.block_module = load_module(block_module)
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149 | 7ca7bb08 | Antony Chazapis | params = {'path': block_path,
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150 | 7ca7bb08 | Antony Chazapis | 'block_size': self.block_size, |
151 | 7ca7bb08 | Antony Chazapis | 'hash_algorithm': self.hash_algorithm} |
152 | 7ca7bb08 | Antony Chazapis | self.store = self.block_module.Store(**params) |
153 | 46286f5f | Antony Chazapis | |
154 | 46286f5f | Antony Chazapis | if queue_module and queue_connection: |
155 | 46286f5f | Antony Chazapis | self.queue_module = load_module(queue_module)
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156 | fa9cae7e | Antony Chazapis | params = {'exchange': queue_connection,
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157 | fa9cae7e | Antony Chazapis | 'message_key': QUEUE_MESSAGE_KEY,
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158 | fa9cae7e | Antony Chazapis | 'client_id': QUEUE_CLIENT_ID}
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159 | 46286f5f | Antony Chazapis | self.queue = self.queue_module.Queue(**params) |
160 | 46286f5f | Antony Chazapis | else:
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161 | 46286f5f | Antony Chazapis | class NoQueue: |
162 | 1a239dc1 | Sofia Papagiannaki | def send(self, *args): |
163 | 46286f5f | Antony Chazapis | pass
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164 | b9a8feec | root | |
165 | b9a8feec | root | def close(self): |
166 | b9a8feec | root | pass
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167 | 46286f5f | Antony Chazapis | |
168 | 46286f5f | Antony Chazapis | self.queue = NoQueue()
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169 | a9b3f29d | Antony Chazapis | |
170 | d14fe290 | Antony Chazapis | def close(self): |
171 | d14fe290 | Antony Chazapis | self.wrapper.close()
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172 | b9a8feec | root | self.queue.close()
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173 | d14fe290 | Antony Chazapis | |
174 | a9b3f29d | Antony Chazapis | @backend_method
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175 | a9b3f29d | Antony Chazapis | def list_accounts(self, user, marker=None, limit=10000): |
176 | a9b3f29d | Antony Chazapis | """Return a list of accounts the user can access."""
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177 | a9b3f29d | Antony Chazapis | |
178 | 02c4d2ba | Antony Chazapis | logger.debug("list_accounts: %s %s %s", user, marker, limit)
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179 | a9b3f29d | Antony Chazapis | allowed = self._allowed_accounts(user)
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180 | a9b3f29d | Antony Chazapis | start, limit = self._list_limits(allowed, marker, limit)
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181 | a9b3f29d | Antony Chazapis | return allowed[start:start + limit]
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182 | a9b3f29d | Antony Chazapis | |
183 | a9b3f29d | Antony Chazapis | @backend_method
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184 | 82482e2c | Antony Chazapis | def get_account_meta(self, user, account, domain, until=None, include_user_defined=True): |
185 | cb69c154 | Antony Chazapis | """Return a dictionary with the account metadata for the domain."""
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186 | a9b3f29d | Antony Chazapis | |
187 | cb69c154 | Antony Chazapis | logger.debug("get_account_meta: %s %s %s", account, domain, until)
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188 | c915d3bf | Antony Chazapis | path, node = self._lookup_account(account, user == account)
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189 | a9b3f29d | Antony Chazapis | if user != account:
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190 | 44ad5860 | Antony Chazapis | if until or node is None or account not in self._allowed_accounts(user): |
191 | a9b3f29d | Antony Chazapis | raise NotAllowedError
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192 | a9b3f29d | Antony Chazapis | try:
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193 | 44ad5860 | Antony Chazapis | props = self._get_properties(node, until)
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194 | 2c5363a0 | Antony Chazapis | mtime = props[self.MTIME]
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195 | a9b3f29d | Antony Chazapis | except NameError: |
196 | 62f915a1 | Antony Chazapis | props = None
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197 | a9b3f29d | Antony Chazapis | mtime = until |
198 | 62f915a1 | Antony Chazapis | count, bytes, tstamp = self._get_statistics(node, until) |
199 | 62f915a1 | Antony Chazapis | tstamp = max(tstamp, mtime)
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200 | a9b3f29d | Antony Chazapis | if until is None: |
201 | a9b3f29d | Antony Chazapis | modified = tstamp |
202 | a9b3f29d | Antony Chazapis | else:
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203 | 62f915a1 | Antony Chazapis | modified = self._get_statistics(node)[2] # Overall last modification. |
204 | 62f915a1 | Antony Chazapis | modified = max(modified, mtime)
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205 | a9b3f29d | Antony Chazapis | |
206 | a9b3f29d | Antony Chazapis | if user != account:
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207 | a9b3f29d | Antony Chazapis | meta = {'name': account}
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208 | a9b3f29d | Antony Chazapis | else:
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209 | 44ad5860 | Antony Chazapis | meta = {} |
210 | 82482e2c | Antony Chazapis | if props is not None and include_user_defined: |
211 | 4819d34f | Antony Chazapis | meta.update(dict(self.node.attribute_get(props[self.SERIAL], domain))) |
212 | a9b3f29d | Antony Chazapis | if until is not None: |
213 | a9b3f29d | Antony Chazapis | meta.update({'until_timestamp': tstamp})
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214 | 44ad5860 | Antony Chazapis | meta.update({'name': account, 'count': count, 'bytes': bytes}) |
215 | a9b3f29d | Antony Chazapis | meta.update({'modified': modified})
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216 | a9b3f29d | Antony Chazapis | return meta
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217 | a9b3f29d | Antony Chazapis | |
218 | a9b3f29d | Antony Chazapis | @backend_method
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219 | cb69c154 | Antony Chazapis | def update_account_meta(self, user, account, domain, meta, replace=False): |
220 | cb69c154 | Antony Chazapis | """Update the metadata associated with the account for the domain."""
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221 | a9b3f29d | Antony Chazapis | |
222 | cb69c154 | Antony Chazapis | logger.debug("update_account_meta: %s %s %s %s", account, domain, meta, replace)
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223 | a9b3f29d | Antony Chazapis | if user != account:
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224 | a9b3f29d | Antony Chazapis | raise NotAllowedError
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225 | c915d3bf | Antony Chazapis | path, node = self._lookup_account(account, True) |
226 | 4819d34f | Antony Chazapis | self._put_metadata(user, node, domain, meta, replace)
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227 | a9b3f29d | Antony Chazapis | |
228 | a9b3f29d | Antony Chazapis | @backend_method
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229 | a9b3f29d | Antony Chazapis | def get_account_groups(self, user, account): |
230 | a9b3f29d | Antony Chazapis | """Return a dictionary with the user groups defined for this account."""
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231 | a9b3f29d | Antony Chazapis | |
232 | a9b3f29d | Antony Chazapis | logger.debug("get_account_groups: %s", account)
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233 | a9b3f29d | Antony Chazapis | if user != account:
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234 | a9b3f29d | Antony Chazapis | if account not in self._allowed_accounts(user): |
235 | a9b3f29d | Antony Chazapis | raise NotAllowedError
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236 | a9b3f29d | Antony Chazapis | return {}
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237 | 44ad5860 | Antony Chazapis | self._lookup_account(account, True) |
238 | 0f9d752c | Antony Chazapis | return self.permissions.group_dict(account) |
239 | a9b3f29d | Antony Chazapis | |
240 | a9b3f29d | Antony Chazapis | @backend_method
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241 | a9b3f29d | Antony Chazapis | def update_account_groups(self, user, account, groups, replace=False): |
242 | a9b3f29d | Antony Chazapis | """Update the groups associated with the account."""
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243 | a9b3f29d | Antony Chazapis | |
244 | a9b3f29d | Antony Chazapis | logger.debug("update_account_groups: %s %s %s", account, groups, replace)
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245 | a9b3f29d | Antony Chazapis | if user != account:
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246 | a9b3f29d | Antony Chazapis | raise NotAllowedError
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247 | 44ad5860 | Antony Chazapis | self._lookup_account(account, True) |
248 | a9b3f29d | Antony Chazapis | self._check_groups(groups)
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249 | 0f9d752c | Antony Chazapis | if replace:
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250 | 0f9d752c | Antony Chazapis | self.permissions.group_destroy(account)
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251 | 0f9d752c | Antony Chazapis | for k, v in groups.iteritems(): |
252 | 0f9d752c | Antony Chazapis | if not replace: # If not already deleted. |
253 | 0f9d752c | Antony Chazapis | self.permissions.group_delete(account, k)
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254 | 0f9d752c | Antony Chazapis | if v:
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255 | 0f9d752c | Antony Chazapis | self.permissions.group_addmany(account, k, v)
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256 | a9b3f29d | Antony Chazapis | |
257 | a9b3f29d | Antony Chazapis | @backend_method
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258 | b2832c6a | Antony Chazapis | def get_account_policy(self, user, account): |
259 | b2832c6a | Antony Chazapis | """Return a dictionary with the account policy."""
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260 | b2832c6a | Antony Chazapis | |
261 | b2832c6a | Antony Chazapis | logger.debug("get_account_policy: %s", account)
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262 | b2832c6a | Antony Chazapis | if user != account:
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263 | 647a5f48 | Antony Chazapis | if account not in self._allowed_accounts(user): |
264 | 647a5f48 | Antony Chazapis | raise NotAllowedError
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265 | 647a5f48 | Antony Chazapis | return {}
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266 | b2832c6a | Antony Chazapis | path, node = self._lookup_account(account, True) |
267 | b9064632 | Antony Chazapis | return self._get_policy(node) |
268 | b2832c6a | Antony Chazapis | |
269 | b2832c6a | Antony Chazapis | @backend_method
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270 | b2832c6a | Antony Chazapis | def update_account_policy(self, user, account, policy, replace=False): |
271 | b2832c6a | Antony Chazapis | """Update the policy associated with the account."""
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272 | b2832c6a | Antony Chazapis | |
273 | b2832c6a | Antony Chazapis | logger.debug("update_account_policy: %s %s %s", account, policy, replace)
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274 | b2832c6a | Antony Chazapis | if user != account:
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275 | b2832c6a | Antony Chazapis | raise NotAllowedError
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276 | b2832c6a | Antony Chazapis | path, node = self._lookup_account(account, True) |
277 | b2832c6a | Antony Chazapis | self._check_policy(policy)
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278 | b2832c6a | Antony Chazapis | self._put_policy(node, policy, replace)
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279 | b2832c6a | Antony Chazapis | |
280 | b2832c6a | Antony Chazapis | @backend_method
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281 | 8693b873 | Sofia Papagiannaki | def put_account(self, user, account, policy={}): |
282 | a9b3f29d | Antony Chazapis | """Create a new account with the given name."""
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283 | a9b3f29d | Antony Chazapis | |
284 | b2832c6a | Antony Chazapis | logger.debug("put_account: %s %s", account, policy)
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285 | a9b3f29d | Antony Chazapis | if user != account:
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286 | a9b3f29d | Antony Chazapis | raise NotAllowedError
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287 | 44ad5860 | Antony Chazapis | node = self.node.node_lookup(account)
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288 | 44ad5860 | Antony Chazapis | if node is not None: |
289 | a9b3f29d | Antony Chazapis | raise NameError('Account already exists') |
290 | b2832c6a | Antony Chazapis | if policy:
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291 | b2832c6a | Antony Chazapis | self._check_policy(policy)
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292 | b2832c6a | Antony Chazapis | node = self._put_path(user, self.ROOTNODE, account) |
293 | b2832c6a | Antony Chazapis | self._put_policy(node, policy, True) |
294 | a9b3f29d | Antony Chazapis | |
295 | a9b3f29d | Antony Chazapis | @backend_method
|
296 | a9b3f29d | Antony Chazapis | def delete_account(self, user, account): |
297 | a9b3f29d | Antony Chazapis | """Delete the account with the given name."""
|
298 | a9b3f29d | Antony Chazapis | |
299 | a9b3f29d | Antony Chazapis | logger.debug("delete_account: %s", account)
|
300 | a9b3f29d | Antony Chazapis | if user != account:
|
301 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
302 | c915d3bf | Antony Chazapis | node = self.node.node_lookup(account)
|
303 | c915d3bf | Antony Chazapis | if node is None: |
304 | c915d3bf | Antony Chazapis | return
|
305 | c915d3bf | Antony Chazapis | if not self.node.node_remove(node): |
306 | a9b3f29d | Antony Chazapis | raise IndexError('Account is not empty') |
307 | 0f9d752c | Antony Chazapis | self.permissions.group_destroy(account)
|
308 | a9b3f29d | Antony Chazapis | |
309 | 62f915a1 | Antony Chazapis | @backend_method
|
310 | 62f915a1 | Antony Chazapis | def list_containers(self, user, account, marker=None, limit=10000, shared=False, until=None): |
311 | 62f915a1 | Antony Chazapis | """Return a list of containers existing under an account."""
|
312 | 62f915a1 | Antony Chazapis | |
313 | 62f915a1 | Antony Chazapis | logger.debug("list_containers: %s %s %s %s %s", account, marker, limit, shared, until)
|
314 | 62f915a1 | Antony Chazapis | if user != account:
|
315 | 62f915a1 | Antony Chazapis | if until or account not in self._allowed_accounts(user): |
316 | 62f915a1 | Antony Chazapis | raise NotAllowedError
|
317 | 62f915a1 | Antony Chazapis | allowed = self._allowed_containers(user, account)
|
318 | 62f915a1 | Antony Chazapis | start, limit = self._list_limits(allowed, marker, limit)
|
319 | 62f915a1 | Antony Chazapis | return allowed[start:start + limit]
|
320 | 62f915a1 | Antony Chazapis | if shared:
|
321 | 62f915a1 | Antony Chazapis | allowed = [x.split('/', 2)[1] for x in self.permissions.access_list_shared(account)] |
322 | 1ad56ff3 | Sofia Papagiannaki | allowed = list(set(allowed)) |
323 | 62f915a1 | Antony Chazapis | start, limit = self._list_limits(allowed, marker, limit)
|
324 | 62f915a1 | Antony Chazapis | return allowed[start:start + limit]
|
325 | 62f915a1 | Antony Chazapis | node = self.node.node_lookup(account)
|
326 | 371d907a | Antony Chazapis | return [x[0] for x in self._list_object_properties(node, account, '', '/', marker, limit, False, None, [], until)] |
327 | 371d907a | Antony Chazapis | |
328 | 371d907a | Antony Chazapis | @backend_method
|
329 | 371d907a | Antony Chazapis | def list_container_meta(self, user, account, container, domain, until=None): |
330 | 371d907a | Antony Chazapis | """Return a list with all the container's object meta keys for the domain."""
|
331 | 371d907a | Antony Chazapis | |
332 | 371d907a | Antony Chazapis | logger.debug("list_container_meta: %s %s %s %s", account, container, domain, until)
|
333 | 371d907a | Antony Chazapis | allowed = [] |
334 | 371d907a | Antony Chazapis | if user != account:
|
335 | 371d907a | Antony Chazapis | if until:
|
336 | 371d907a | Antony Chazapis | raise NotAllowedError
|
337 | 371d907a | Antony Chazapis | allowed = self.permissions.access_list_paths(user, '/'.join((account, container))) |
338 | 371d907a | Antony Chazapis | if not allowed: |
339 | 371d907a | Antony Chazapis | raise NotAllowedError
|
340 | 371d907a | Antony Chazapis | path, node = self._lookup_container(account, container)
|
341 | 371d907a | Antony Chazapis | before = until if until is not None else inf |
342 | 371d907a | Antony Chazapis | allowed = self._get_formatted_paths(allowed)
|
343 | 371d907a | Antony Chazapis | return self.node.latest_attribute_keys(node, domain, before, CLUSTER_DELETED, allowed) |
344 | a9b3f29d | Antony Chazapis | |
345 | a9b3f29d | Antony Chazapis | @backend_method
|
346 | 82482e2c | Antony Chazapis | def get_container_meta(self, user, account, container, domain, until=None, include_user_defined=True): |
347 | cb69c154 | Antony Chazapis | """Return a dictionary with the container metadata for the domain."""
|
348 | a9b3f29d | Antony Chazapis | |
349 | cb69c154 | Antony Chazapis | logger.debug("get_container_meta: %s %s %s %s", account, container, domain, until)
|
350 | a9b3f29d | Antony Chazapis | if user != account:
|
351 | a9b3f29d | Antony Chazapis | if until or container not in self._allowed_containers(user, account): |
352 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
353 | c915d3bf | Antony Chazapis | path, node = self._lookup_container(account, container)
|
354 | c915d3bf | Antony Chazapis | props = self._get_properties(node, until)
|
355 | 2c5363a0 | Antony Chazapis | mtime = props[self.MTIME]
|
356 | 62f915a1 | Antony Chazapis | count, bytes, tstamp = self._get_statistics(node, until) |
357 | 62f915a1 | Antony Chazapis | tstamp = max(tstamp, mtime)
|
358 | a9b3f29d | Antony Chazapis | if until is None: |
359 | a9b3f29d | Antony Chazapis | modified = tstamp |
360 | a9b3f29d | Antony Chazapis | else:
|
361 | 62f915a1 | Antony Chazapis | modified = self._get_statistics(node)[2] # Overall last modification. |
362 | 62f915a1 | Antony Chazapis | modified = max(modified, mtime)
|
363 | a9b3f29d | Antony Chazapis | |
364 | a9b3f29d | Antony Chazapis | if user != account:
|
365 | c915d3bf | Antony Chazapis | meta = {'name': container}
|
366 | a9b3f29d | Antony Chazapis | else:
|
367 | 82482e2c | Antony Chazapis | meta = {} |
368 | 82482e2c | Antony Chazapis | if include_user_defined:
|
369 | 82482e2c | Antony Chazapis | meta.update(dict(self.node.attribute_get(props[self.SERIAL], domain))) |
370 | a9b3f29d | Antony Chazapis | if until is not None: |
371 | a9b3f29d | Antony Chazapis | meta.update({'until_timestamp': tstamp})
|
372 | c915d3bf | Antony Chazapis | meta.update({'name': container, 'count': count, 'bytes': bytes}) |
373 | c915d3bf | Antony Chazapis | meta.update({'modified': modified})
|
374 | a9b3f29d | Antony Chazapis | return meta
|
375 | a9b3f29d | Antony Chazapis | |
376 | a9b3f29d | Antony Chazapis | @backend_method
|
377 | cb69c154 | Antony Chazapis | def update_container_meta(self, user, account, container, domain, meta, replace=False): |
378 | cb69c154 | Antony Chazapis | """Update the metadata associated with the container for the domain."""
|
379 | a9b3f29d | Antony Chazapis | |
380 | cb69c154 | Antony Chazapis | logger.debug("update_container_meta: %s %s %s %s %s", account, container, domain, meta, replace)
|
381 | a9b3f29d | Antony Chazapis | if user != account:
|
382 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
383 | c915d3bf | Antony Chazapis | path, node = self._lookup_container(account, container)
|
384 | f9ea264b | Antony Chazapis | src_version_id, dest_version_id = self._put_metadata(user, node, domain, meta, replace)
|
385 | f9ea264b | Antony Chazapis | if src_version_id is not None: |
386 | f9ea264b | Antony Chazapis | versioning = self._get_policy(node)['versioning'] |
387 | f9ea264b | Antony Chazapis | if versioning != 'auto': |
388 | f9ea264b | Antony Chazapis | self.node.version_remove(src_version_id)
|
389 | a9b3f29d | Antony Chazapis | |
390 | a9b3f29d | Antony Chazapis | @backend_method
|
391 | a9b3f29d | Antony Chazapis | def get_container_policy(self, user, account, container): |
392 | a9b3f29d | Antony Chazapis | """Return a dictionary with the container policy."""
|
393 | a9b3f29d | Antony Chazapis | |
394 | a9b3f29d | Antony Chazapis | logger.debug("get_container_policy: %s %s", account, container)
|
395 | a9b3f29d | Antony Chazapis | if user != account:
|
396 | a9b3f29d | Antony Chazapis | if container not in self._allowed_containers(user, account): |
397 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
398 | a9b3f29d | Antony Chazapis | return {}
|
399 | 5e7485da | Antony Chazapis | path, node = self._lookup_container(account, container)
|
400 | b9064632 | Antony Chazapis | return self._get_policy(node) |
401 | a9b3f29d | Antony Chazapis | |
402 | a9b3f29d | Antony Chazapis | @backend_method
|
403 | a9b3f29d | Antony Chazapis | def update_container_policy(self, user, account, container, policy, replace=False): |
404 | b2832c6a | Antony Chazapis | """Update the policy associated with the container."""
|
405 | a9b3f29d | Antony Chazapis | |
406 | a9b3f29d | Antony Chazapis | logger.debug("update_container_policy: %s %s %s %s", account, container, policy, replace)
|
407 | a9b3f29d | Antony Chazapis | if user != account:
|
408 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
409 | 5e7485da | Antony Chazapis | path, node = self._lookup_container(account, container)
|
410 | a9b3f29d | Antony Chazapis | self._check_policy(policy)
|
411 | b2832c6a | Antony Chazapis | self._put_policy(node, policy, replace)
|
412 | a9b3f29d | Antony Chazapis | |
413 | a9b3f29d | Antony Chazapis | @backend_method
|
414 | 8693b873 | Sofia Papagiannaki | def put_container(self, user, account, container, policy={}): |
415 | a9b3f29d | Antony Chazapis | """Create a new container with the given name."""
|
416 | a9b3f29d | Antony Chazapis | |
417 | a9b3f29d | Antony Chazapis | logger.debug("put_container: %s %s %s", account, container, policy)
|
418 | a9b3f29d | Antony Chazapis | if user != account:
|
419 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
420 | a9b3f29d | Antony Chazapis | try:
|
421 | c915d3bf | Antony Chazapis | path, node = self._lookup_container(account, container)
|
422 | a9b3f29d | Antony Chazapis | except NameError: |
423 | a9b3f29d | Antony Chazapis | pass
|
424 | a9b3f29d | Antony Chazapis | else:
|
425 | a9b3f29d | Antony Chazapis | raise NameError('Container already exists') |
426 | a9b3f29d | Antony Chazapis | if policy:
|
427 | a9b3f29d | Antony Chazapis | self._check_policy(policy)
|
428 | a9b3f29d | Antony Chazapis | path = '/'.join((account, container))
|
429 | 5e7485da | Antony Chazapis | node = self._put_path(user, self._lookup_account(account, True)[1], path) |
430 | b2832c6a | Antony Chazapis | self._put_policy(node, policy, True) |
431 | a9b3f29d | Antony Chazapis | |
432 | a9b3f29d | Antony Chazapis | @backend_method
|
433 | a9b3f29d | Antony Chazapis | def delete_container(self, user, account, container, until=None): |
434 | a9b3f29d | Antony Chazapis | """Delete/purge the container with the given name."""
|
435 | a9b3f29d | Antony Chazapis | |
436 | a9b3f29d | Antony Chazapis | logger.debug("delete_container: %s %s %s", account, container, until)
|
437 | a9b3f29d | Antony Chazapis | if user != account:
|
438 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
439 | c915d3bf | Antony Chazapis | path, node = self._lookup_container(account, container)
|
440 | a9b3f29d | Antony Chazapis | |
441 | a9b3f29d | Antony Chazapis | if until is not None: |
442 | 813e42e5 | Antony Chazapis | hashes, size = self.node.node_purge_children(node, until, CLUSTER_HISTORY)
|
443 | 04230536 | Antony Chazapis | for h in hashes: |
444 | 04230536 | Antony Chazapis | self.store.map_delete(h)
|
445 | c915d3bf | Antony Chazapis | self.node.node_purge_children(node, until, CLUSTER_DELETED)
|
446 | 813e42e5 | Antony Chazapis | self._report_size_change(user, account, -size, {'action': 'container purge'}) |
447 | a9b3f29d | Antony Chazapis | return
|
448 | a9b3f29d | Antony Chazapis | |
449 | 62f915a1 | Antony Chazapis | if self._get_statistics(node)[0] > 0: |
450 | a9b3f29d | Antony Chazapis | raise IndexError('Container is not empty') |
451 | 813e42e5 | Antony Chazapis | hashes, size = self.node.node_purge_children(node, inf, CLUSTER_HISTORY)
|
452 | 04230536 | Antony Chazapis | for h in hashes: |
453 | 04230536 | Antony Chazapis | self.store.map_delete(h)
|
454 | 62f915a1 | Antony Chazapis | self.node.node_purge_children(node, inf, CLUSTER_DELETED)
|
455 | c915d3bf | Antony Chazapis | self.node.node_remove(node)
|
456 | 813e42e5 | Antony Chazapis | self._report_size_change(user, account, -size, {'action': 'container delete'}) |
457 | a9b3f29d | Antony Chazapis | |
458 | 371d907a | Antony Chazapis | def _list_objects(self, user, account, container, prefix, delimiter, marker, limit, virtual, domain, keys, shared, until, size_range, all_props): |
459 | 15a96c3e | Antony Chazapis | if user != account and until: |
460 | 15a96c3e | Antony Chazapis | raise NotAllowedError
|
461 | 15a96c3e | Antony Chazapis | allowed = self._list_object_permissions(user, account, container, prefix, shared)
|
462 | fcd37c40 | Antony Chazapis | if shared and not allowed: |
463 | fcd37c40 | Antony Chazapis | return []
|
464 | 15a96c3e | Antony Chazapis | path, node = self._lookup_container(account, container)
|
465 | 15a96c3e | Antony Chazapis | allowed = self._get_formatted_paths(allowed)
|
466 | 15a96c3e | Antony Chazapis | return self._list_object_properties(node, path, prefix, delimiter, marker, limit, virtual, domain, keys, until, size_range, allowed, all_props) |
467 | 15a96c3e | Antony Chazapis | |
468 | 15a96c3e | Antony Chazapis | def _list_object_permissions(self, user, account, container, prefix, shared): |
469 | 62f915a1 | Antony Chazapis | allowed = [] |
470 | fcd37c40 | Antony Chazapis | path = '/'.join((account, container, prefix)).rstrip('/') |
471 | 62f915a1 | Antony Chazapis | if user != account:
|
472 | fcd37c40 | Antony Chazapis | allowed = self.permissions.access_list_paths(user, path)
|
473 | 62f915a1 | Antony Chazapis | if not allowed: |
474 | 62f915a1 | Antony Chazapis | raise NotAllowedError
|
475 | 62f915a1 | Antony Chazapis | else:
|
476 | 62f915a1 | Antony Chazapis | if shared:
|
477 | fcd37c40 | Antony Chazapis | allowed = self.permissions.access_list_shared(path)
|
478 | 038e0159 | Antony Chazapis | if not allowed: |
479 | 038e0159 | Antony Chazapis | return []
|
480 | 15a96c3e | Antony Chazapis | return allowed
|
481 | 62f915a1 | Antony Chazapis | |
482 | 62f915a1 | Antony Chazapis | @backend_method
|
483 | 371d907a | Antony Chazapis | def list_objects(self, user, account, container, prefix='', delimiter=None, marker=None, limit=10000, virtual=True, domain=None, keys=[], shared=False, until=None, size_range=None): |
484 | 371d907a | Antony Chazapis | """Return a list of object (name, version_id) tuples existing under a container."""
|
485 | 62f915a1 | Antony Chazapis | |
486 | 371d907a | Antony Chazapis | logger.debug("list_objects: %s %s %s %s %s %s %s %s %s %s %s %s", account, container, prefix, delimiter, marker, limit, virtual, domain, keys, shared, until, size_range)
|
487 | 371d907a | Antony Chazapis | return self._list_objects(user, account, container, prefix, delimiter, marker, limit, virtual, domain, keys, shared, until, size_range, False) |
488 | 371d907a | Antony Chazapis | |
489 | 371d907a | Antony Chazapis | @backend_method
|
490 | 371d907a | Antony Chazapis | def list_object_meta(self, user, account, container, prefix='', delimiter=None, marker=None, limit=10000, virtual=True, domain=None, keys=[], shared=False, until=None, size_range=None): |
491 | 371d907a | Antony Chazapis | """Return a list of object metadata dicts existing under a container."""
|
492 | 371d907a | Antony Chazapis | |
493 | 371d907a | Antony Chazapis | logger.debug("list_object_meta: %s %s %s %s %s %s %s %s %s %s %s %s", account, container, prefix, delimiter, marker, limit, virtual, domain, keys, shared, until, size_range)
|
494 | 371d907a | Antony Chazapis | props = self._list_objects(user, account, container, prefix, delimiter, marker, limit, virtual, domain, keys, shared, until, size_range, True) |
495 | 371d907a | Antony Chazapis | objects = [] |
496 | 371d907a | Antony Chazapis | for p in props: |
497 | 371d907a | Antony Chazapis | if len(p) == 2: |
498 | 371d907a | Antony Chazapis | objects.append({'subdir': p[0]}) |
499 | 371d907a | Antony Chazapis | else:
|
500 | 371d907a | Antony Chazapis | objects.append({'name': p[0], |
501 | 371d907a | Antony Chazapis | 'bytes': p[self.SIZE + 1], |
502 | 371d907a | Antony Chazapis | 'type': p[self.TYPE + 1], |
503 | 371d907a | Antony Chazapis | 'hash': p[self.HASH + 1], |
504 | 371d907a | Antony Chazapis | 'version': p[self.SERIAL + 1], |
505 | 371d907a | Antony Chazapis | 'version_timestamp': p[self.MTIME + 1], |
506 | 371d907a | Antony Chazapis | 'modified': p[self.MTIME + 1] if until is None else None, |
507 | 371d907a | Antony Chazapis | 'modified_by': p[self.MUSER + 1], |
508 | 371d907a | Antony Chazapis | 'uuid': p[self.UUID + 1], |
509 | 371d907a | Antony Chazapis | 'checksum': p[self.CHECKSUM + 1]}) |
510 | 371d907a | Antony Chazapis | return objects
|
511 | a9b3f29d | Antony Chazapis | |
512 | a9b3f29d | Antony Chazapis | @backend_method
|
513 | 15a96c3e | Antony Chazapis | def list_object_permissions(self, user, account, container, prefix=''): |
514 | 15a96c3e | Antony Chazapis | """Return a list of paths that enforce permissions under a container."""
|
515 | 15a96c3e | Antony Chazapis | |
516 | 15a96c3e | Antony Chazapis | logger.debug("list_object_permissions: %s %s %s", account, container, prefix)
|
517 | 15a96c3e | Antony Chazapis | return self._list_object_permissions(user, account, container, prefix, True) |
518 | 15a96c3e | Antony Chazapis | |
519 | 15a96c3e | Antony Chazapis | @backend_method
|
520 | 15a96c3e | Antony Chazapis | def list_object_public(self, user, account, container, prefix=''): |
521 | 15a96c3e | Antony Chazapis | """Return a dict mapping paths to public ids for objects that are public under a container."""
|
522 | 15a96c3e | Antony Chazapis | |
523 | 15a96c3e | Antony Chazapis | logger.debug("list_object_public: %s %s %s", account, container, prefix)
|
524 | 15a96c3e | Antony Chazapis | public = {} |
525 | 15a96c3e | Antony Chazapis | for path, p in self.permissions.public_list('/'.join((account, container, prefix))): |
526 | 15a96c3e | Antony Chazapis | public[path] = p + ULTIMATE_ANSWER |
527 | 15a96c3e | Antony Chazapis | return public
|
528 | 15a96c3e | Antony Chazapis | |
529 | 15a96c3e | Antony Chazapis | @backend_method
|
530 | 82482e2c | Antony Chazapis | def get_object_meta(self, user, account, container, name, domain, version=None, include_user_defined=True): |
531 | cb69c154 | Antony Chazapis | """Return a dictionary with the object metadata for the domain."""
|
532 | a9b3f29d | Antony Chazapis | |
533 | cb69c154 | Antony Chazapis | logger.debug("get_object_meta: %s %s %s %s %s", account, container, name, domain, version)
|
534 | a9b3f29d | Antony Chazapis | self._can_read(user, account, container, name)
|
535 | c915d3bf | Antony Chazapis | path, node = self._lookup_object(account, container, name)
|
536 | c915d3bf | Antony Chazapis | props = self._get_version(node, version)
|
537 | a9b3f29d | Antony Chazapis | if version is None: |
538 | 2c5363a0 | Antony Chazapis | modified = props[self.MTIME]
|
539 | a9b3f29d | Antony Chazapis | else:
|
540 | 97d45f69 | Antony Chazapis | try:
|
541 | 97d45f69 | Antony Chazapis | modified = self._get_version(node)[self.MTIME] # Overall last modification. |
542 | 97d45f69 | Antony Chazapis | except NameError: # Object may be deleted. |
543 | 97d45f69 | Antony Chazapis | del_props = self.node.version_lookup(node, inf, CLUSTER_DELETED)
|
544 | 97d45f69 | Antony Chazapis | if del_props is None: |
545 | 97d45f69 | Antony Chazapis | raise NameError('Object does not exist') |
546 | 97d45f69 | Antony Chazapis | modified = del_props[self.MTIME]
|
547 | a9b3f29d | Antony Chazapis | |
548 | 82482e2c | Antony Chazapis | meta = {} |
549 | 82482e2c | Antony Chazapis | if include_user_defined:
|
550 | 82482e2c | Antony Chazapis | meta.update(dict(self.node.attribute_get(props[self.SERIAL], domain))) |
551 | 33b4e4a6 | Antony Chazapis | meta.update({'name': name,
|
552 | 33b4e4a6 | Antony Chazapis | 'bytes': props[self.SIZE], |
553 | 33b4e4a6 | Antony Chazapis | 'type': props[self.TYPE], |
554 | 371d907a | Antony Chazapis | 'hash': props[self.HASH], |
555 | 33b4e4a6 | Antony Chazapis | 'version': props[self.SERIAL], |
556 | 33b4e4a6 | Antony Chazapis | 'version_timestamp': props[self.MTIME], |
557 | 33b4e4a6 | Antony Chazapis | 'modified': modified,
|
558 | 33b4e4a6 | Antony Chazapis | 'modified_by': props[self.MUSER], |
559 | 33b4e4a6 | Antony Chazapis | 'uuid': props[self.UUID], |
560 | 33b4e4a6 | Antony Chazapis | 'checksum': props[self.CHECKSUM]}) |
561 | a9b3f29d | Antony Chazapis | return meta
|
562 | a9b3f29d | Antony Chazapis | |
563 | a9b3f29d | Antony Chazapis | @backend_method
|
564 | cb69c154 | Antony Chazapis | def update_object_meta(self, user, account, container, name, domain, meta, replace=False): |
565 | cb69c154 | Antony Chazapis | """Update the metadata associated with the object for the domain and return the new version."""
|
566 | a9b3f29d | Antony Chazapis | |
567 | cb69c154 | Antony Chazapis | logger.debug("update_object_meta: %s %s %s %s %s %s", account, container, name, domain, meta, replace)
|
568 | a9b3f29d | Antony Chazapis | self._can_write(user, account, container, name)
|
569 | c915d3bf | Antony Chazapis | path, node = self._lookup_object(account, container, name)
|
570 | 4819d34f | Antony Chazapis | src_version_id, dest_version_id = self._put_metadata(user, node, domain, meta, replace)
|
571 | 5cc484e1 | Antony Chazapis | self._apply_versioning(account, container, src_version_id)
|
572 | 5cc484e1 | Antony Chazapis | return dest_version_id
|
573 | a9b3f29d | Antony Chazapis | |
574 | a9b3f29d | Antony Chazapis | @backend_method
|
575 | a9b3f29d | Antony Chazapis | def get_object_permissions(self, user, account, container, name): |
576 | 067cf1fc | Antony Chazapis | """Return the action allowed on the object, the path
|
577 | 067cf1fc | Antony Chazapis | from which the object gets its permissions from,
|
578 | a9b3f29d | Antony Chazapis | along with a dictionary containing the permissions."""
|
579 | a9b3f29d | Antony Chazapis | |
580 | a9b3f29d | Antony Chazapis | logger.debug("get_object_permissions: %s %s %s", account, container, name)
|
581 | 067cf1fc | Antony Chazapis | allowed = 'write'
|
582 | 92da0e5a | Antony Chazapis | permissions_path = self._get_permissions_path(account, container, name)
|
583 | 067cf1fc | Antony Chazapis | if user != account:
|
584 | 92da0e5a | Antony Chazapis | if self.permissions.access_check(permissions_path, self.WRITE, user): |
585 | 067cf1fc | Antony Chazapis | allowed = 'write'
|
586 | 92da0e5a | Antony Chazapis | elif self.permissions.access_check(permissions_path, self.READ, user): |
587 | 067cf1fc | Antony Chazapis | allowed = 'read'
|
588 | 067cf1fc | Antony Chazapis | else:
|
589 | 067cf1fc | Antony Chazapis | raise NotAllowedError
|
590 | 92da0e5a | Antony Chazapis | self._lookup_object(account, container, name)
|
591 | 92da0e5a | Antony Chazapis | return (allowed, permissions_path, self.permissions.access_get(permissions_path)) |
592 | a9b3f29d | Antony Chazapis | |
593 | a9b3f29d | Antony Chazapis | @backend_method
|
594 | a9b3f29d | Antony Chazapis | def update_object_permissions(self, user, account, container, name, permissions): |
595 | a9b3f29d | Antony Chazapis | """Update the permissions associated with the object."""
|
596 | a9b3f29d | Antony Chazapis | |
597 | a9b3f29d | Antony Chazapis | logger.debug("update_object_permissions: %s %s %s %s", account, container, name, permissions)
|
598 | a9b3f29d | Antony Chazapis | if user != account:
|
599 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
600 | c915d3bf | Antony Chazapis | path = self._lookup_object(account, container, name)[0] |
601 | 6f4bce7b | Antony Chazapis | self._check_permissions(path, permissions)
|
602 | 0f9d752c | Antony Chazapis | self.permissions.access_set(path, permissions)
|
603 | a9b3f29d | Antony Chazapis | |
604 | a9b3f29d | Antony Chazapis | @backend_method
|
605 | a9b3f29d | Antony Chazapis | def get_object_public(self, user, account, container, name): |
606 | bb4eafc6 | Antony Chazapis | """Return the public id of the object if applicable."""
|
607 | a9b3f29d | Antony Chazapis | |
608 | a9b3f29d | Antony Chazapis | logger.debug("get_object_public: %s %s %s", account, container, name)
|
609 | a9b3f29d | Antony Chazapis | self._can_read(user, account, container, name)
|
610 | c915d3bf | Antony Chazapis | path = self._lookup_object(account, container, name)[0] |
611 | bb4eafc6 | Antony Chazapis | p = self.permissions.public_get(path)
|
612 | bb4eafc6 | Antony Chazapis | if p is not None: |
613 | bb4eafc6 | Antony Chazapis | p += ULTIMATE_ANSWER |
614 | bb4eafc6 | Antony Chazapis | return p
|
615 | a9b3f29d | Antony Chazapis | |
616 | a9b3f29d | Antony Chazapis | @backend_method
|
617 | a9b3f29d | Antony Chazapis | def update_object_public(self, user, account, container, name, public): |
618 | a9b3f29d | Antony Chazapis | """Update the public status of the object."""
|
619 | a9b3f29d | Antony Chazapis | |
620 | a9b3f29d | Antony Chazapis | logger.debug("update_object_public: %s %s %s %s", account, container, name, public)
|
621 | a9b3f29d | Antony Chazapis | self._can_write(user, account, container, name)
|
622 | c915d3bf | Antony Chazapis | path = self._lookup_object(account, container, name)[0] |
623 | 0f9d752c | Antony Chazapis | if not public: |
624 | 0f9d752c | Antony Chazapis | self.permissions.public_unset(path)
|
625 | 0f9d752c | Antony Chazapis | else:
|
626 | 0f9d752c | Antony Chazapis | self.permissions.public_set(path)
|
627 | a9b3f29d | Antony Chazapis | |
628 | a9b3f29d | Antony Chazapis | @backend_method
|
629 | a9b3f29d | Antony Chazapis | def get_object_hashmap(self, user, account, container, name, version=None): |
630 | a9b3f29d | Antony Chazapis | """Return the object's size and a list with partial hashes."""
|
631 | a9b3f29d | Antony Chazapis | |
632 | a9b3f29d | Antony Chazapis | logger.debug("get_object_hashmap: %s %s %s %s", account, container, name, version)
|
633 | a9b3f29d | Antony Chazapis | self._can_read(user, account, container, name)
|
634 | c915d3bf | Antony Chazapis | path, node = self._lookup_object(account, container, name)
|
635 | c915d3bf | Antony Chazapis | props = self._get_version(node, version)
|
636 | 7ca7bb08 | Antony Chazapis | hashmap = self.store.map_get(binascii.unhexlify(props[self.HASH])) |
637 | 2c5363a0 | Antony Chazapis | return props[self.SIZE], [binascii.hexlify(x) for x in hashmap] |
638 | a9b3f29d | Antony Chazapis | |
639 | f9ea264b | Antony Chazapis | def _update_object_hash(self, user, account, container, name, size, type, hash, checksum, domain, meta, replace_meta, permissions, src_node=None, src_version_id=None, is_copy=False): |
640 | b9064632 | Antony Chazapis | if permissions is not None and user != account: |
641 | b9064632 | Antony Chazapis | raise NotAllowedError
|
642 | b9064632 | Antony Chazapis | self._can_write(user, account, container, name)
|
643 | b9064632 | Antony Chazapis | if permissions is not None: |
644 | b9064632 | Antony Chazapis | path = '/'.join((account, container, name))
|
645 | b9064632 | Antony Chazapis | self._check_permissions(path, permissions)
|
646 | b9064632 | Antony Chazapis | |
647 | b9064632 | Antony Chazapis | account_path, account_node = self._lookup_account(account, True) |
648 | b9064632 | Antony Chazapis | container_path, container_node = self._lookup_container(account, container)
|
649 | b9064632 | Antony Chazapis | path, node = self._put_object_node(container_path, container_node, name)
|
650 | 33b4e4a6 | Antony Chazapis | pre_version_id, dest_version_id = self._put_version_duplicate(user, node, src_node=src_node, size=size, type=type, hash=hash, checksum=checksum, is_copy=is_copy) |
651 | b9064632 | Antony Chazapis | |
652 | f9ea264b | Antony Chazapis | # Handle meta.
|
653 | f9ea264b | Antony Chazapis | if src_version_id is None: |
654 | f9ea264b | Antony Chazapis | src_version_id = pre_version_id |
655 | f9ea264b | Antony Chazapis | self._put_metadata_duplicate(src_version_id, dest_version_id, domain, meta, replace_meta)
|
656 | f9ea264b | Antony Chazapis | |
657 | b9064632 | Antony Chazapis | # Check quota.
|
658 | 813e42e5 | Antony Chazapis | del_size = self._apply_versioning(account, container, pre_version_id)
|
659 | 813e42e5 | Antony Chazapis | size_delta = size - del_size |
660 | b9064632 | Antony Chazapis | if size_delta > 0: |
661 | 8693b873 | Sofia Papagiannaki | account_quota = long(self._get_policy(account_node)['quota']) |
662 | 8693b873 | Sofia Papagiannaki | container_quota = long(self._get_policy(container_node)['quota']) |
663 | 0df22aea | Sofia Papagiannaki | if (account_quota > 0 and self._get_statistics(account_node)[1] + size_delta > account_quota) or \ |
664 | 0df22aea | Sofia Papagiannaki | (container_quota > 0 and self._get_statistics(container_node)[1] + size_delta > container_quota): |
665 | b9064632 | Antony Chazapis | # This must be executed in a transaction, so the version is never created if it fails.
|
666 | 5df6c6d1 | Antony Chazapis | raise QuotaError
|
667 | 813e42e5 | Antony Chazapis | self._report_size_change(user, account, size_delta, {'action': 'object update'}) |
668 | b9064632 | Antony Chazapis | |
669 | b9064632 | Antony Chazapis | if permissions is not None: |
670 | b9064632 | Antony Chazapis | self.permissions.access_set(path, permissions)
|
671 | f9ea264b | Antony Chazapis | return dest_version_id
|
672 | b9064632 | Antony Chazapis | |
673 | a9b3f29d | Antony Chazapis | @backend_method
|
674 | 33b4e4a6 | Antony Chazapis | def update_object_hashmap(self, user, account, container, name, size, type, hashmap, checksum, domain, meta={}, replace_meta=False, permissions=None): |
675 | a9b3f29d | Antony Chazapis | """Create/update an object with the specified size and partial hashes."""
|
676 | a9b3f29d | Antony Chazapis | |
677 | 33b4e4a6 | Antony Chazapis | logger.debug("update_object_hashmap: %s %s %s %s %s %s %s", account, container, name, size, type, hashmap, checksum) |
678 | 6d64339e | Antony Chazapis | if size == 0: # No such thing as an empty hashmap. |
679 | 6d64339e | Antony Chazapis | hashmap = [self.put_block('')] |
680 | 1c2fc0ff | Antony Chazapis | map = HashMap(self.block_size, self.hash_algorithm) |
681 | 1c2fc0ff | Antony Chazapis | map.extend([binascii.unhexlify(x) for x in hashmap]) |
682 | 7ca7bb08 | Antony Chazapis | missing = self.store.block_search(map) |
683 | a9b3f29d | Antony Chazapis | if missing:
|
684 | a9b3f29d | Antony Chazapis | ie = IndexError()
|
685 | dd71f493 | Antony Chazapis | ie.data = [binascii.hexlify(x) for x in missing] |
686 | a9b3f29d | Antony Chazapis | raise ie
|
687 | b9064632 | Antony Chazapis | |
688 | 1c2fc0ff | Antony Chazapis | hash = map.hash()
|
689 | f9ea264b | Antony Chazapis | dest_version_id = self._update_object_hash(user, account, container, name, size, type, binascii.hexlify(hash), checksum, domain, meta, replace_meta, permissions) |
690 | 7ca7bb08 | Antony Chazapis | self.store.map_put(hash, map) |
691 | 02c4d2ba | Antony Chazapis | return dest_version_id
|
692 | a9b3f29d | Antony Chazapis | |
693 | 33b4e4a6 | Antony Chazapis | @backend_method
|
694 | 33b4e4a6 | Antony Chazapis | def update_object_checksum(self, user, account, container, name, version, checksum): |
695 | 33b4e4a6 | Antony Chazapis | """Update an object's checksum."""
|
696 | 33b4e4a6 | Antony Chazapis | |
697 | 33b4e4a6 | Antony Chazapis | logger.debug("update_object_checksum: %s %s %s %s %s", account, container, name, version, checksum)
|
698 | 33b4e4a6 | Antony Chazapis | # Update objects with greater version and same hashmap and size (fix metadata updates).
|
699 | 33b4e4a6 | Antony Chazapis | self._can_write(user, account, container, name)
|
700 | 33b4e4a6 | Antony Chazapis | path, node = self._lookup_object(account, container, name)
|
701 | 33b4e4a6 | Antony Chazapis | props = self._get_version(node, version)
|
702 | 33b4e4a6 | Antony Chazapis | versions = self.node.node_get_versions(node)
|
703 | 33b4e4a6 | Antony Chazapis | for x in versions: |
704 | 33b4e4a6 | Antony Chazapis | if x[self.SERIAL] >= int(version) and x[self.HASH] == props[self.HASH] and x[self.SIZE] == props[self.SIZE]: |
705 | 33b4e4a6 | Antony Chazapis | self.node.version_put_property(x[self.SERIAL], 'checksum', checksum) |
706 | 33b4e4a6 | Antony Chazapis | |
707 | 66ce2ca5 | Antony Chazapis | def _copy_object(self, user, src_account, src_container, src_name, dest_account, dest_container, dest_name, type, dest_domain=None, dest_meta={}, replace_meta=False, permissions=None, src_version=None, is_move=False): |
708 | 79bb41b7 | Antony Chazapis | self._can_read(user, src_account, src_container, src_name)
|
709 | b9064632 | Antony Chazapis | path, node = self._lookup_object(src_account, src_container, src_name)
|
710 | 1730b3bf | chazapis | # TODO: Will do another fetch of the properties in duplicate version...
|
711 | 1730b3bf | chazapis | props = self._get_version(node, src_version) # Check to see if source exists. |
712 | b9064632 | Antony Chazapis | src_version_id = props[self.SERIAL]
|
713 | b9064632 | Antony Chazapis | hash = props[self.HASH]
|
714 | b9064632 | Antony Chazapis | size = props[self.SIZE]
|
715 | b9064632 | Antony Chazapis | |
716 | 25ae8b75 | Antony Chazapis | is_copy = not is_move and (src_account, src_container, src_name) != (dest_account, dest_container, dest_name) # New uuid. |
717 | f9ea264b | Antony Chazapis | dest_version_id = self._update_object_hash(user, dest_account, dest_container, dest_name, size, type, hash, None, dest_domain, dest_meta, replace_meta, permissions, src_node=node, src_version_id=src_version_id, is_copy=is_copy) |
718 | 02c4d2ba | Antony Chazapis | return dest_version_id
|
719 | a9b3f29d | Antony Chazapis | |
720 | a9b3f29d | Antony Chazapis | @backend_method
|
721 | 66ce2ca5 | Antony Chazapis | def copy_object(self, user, src_account, src_container, src_name, dest_account, dest_container, dest_name, type, domain, meta={}, replace_meta=False, permissions=None, src_version=None): |
722 | dff7b6f1 | Sofia Papagiannaki | """Copy an object's data and metadata."""
|
723 | dff7b6f1 | Sofia Papagiannaki | |
724 | 66ce2ca5 | Antony Chazapis | logger.debug("copy_object: %s %s %s %s %s %s %s %s %s %s %s %s", src_account, src_container, src_name, dest_account, dest_container, dest_name, type, domain, meta, replace_meta, permissions, src_version) |
725 | 66ce2ca5 | Antony Chazapis | dest_version_id = self._copy_object(user, src_account, src_container, src_name, dest_account, dest_container, dest_name, type, domain, meta, replace_meta, permissions, src_version, False) |
726 | 46286f5f | Antony Chazapis | return dest_version_id
|
727 | dff7b6f1 | Sofia Papagiannaki | |
728 | dff7b6f1 | Sofia Papagiannaki | @backend_method
|
729 | 66ce2ca5 | Antony Chazapis | def move_object(self, user, src_account, src_container, src_name, dest_account, dest_container, dest_name, type, domain, meta={}, replace_meta=False, permissions=None): |
730 | a9b3f29d | Antony Chazapis | """Move an object's data and metadata."""
|
731 | a9b3f29d | Antony Chazapis | |
732 | 66ce2ca5 | Antony Chazapis | logger.debug("move_object: %s %s %s %s %s %s %s %s %s %s %s", src_account, src_container, src_name, dest_account, dest_container, dest_name, type, domain, meta, replace_meta, permissions) |
733 | 79bb41b7 | Antony Chazapis | if user != src_account:
|
734 | 79bb41b7 | Antony Chazapis | raise NotAllowedError
|
735 | 66ce2ca5 | Antony Chazapis | dest_version_id = self._copy_object(user, src_account, src_container, src_name, dest_account, dest_container, dest_name, type, domain, meta, replace_meta, permissions, None, True) |
736 | 371403f5 | Antony Chazapis | if (src_account, src_container, src_name) != (dest_account, dest_container, dest_name):
|
737 | 371403f5 | Antony Chazapis | self._delete_object(user, src_account, src_container, src_name)
|
738 | 02c4d2ba | Antony Chazapis | return dest_version_id
|
739 | a9b3f29d | Antony Chazapis | |
740 | dff7b6f1 | Sofia Papagiannaki | def _delete_object(self, user, account, container, name, until=None): |
741 | a9b3f29d | Antony Chazapis | if user != account:
|
742 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
743 | a9b3f29d | Antony Chazapis | |
744 | a9b3f29d | Antony Chazapis | if until is not None: |
745 | a9b3f29d | Antony Chazapis | path = '/'.join((account, container, name))
|
746 | c915d3bf | Antony Chazapis | node = self.node.node_lookup(path)
|
747 | c915d3bf | Antony Chazapis | if node is None: |
748 | c915d3bf | Antony Chazapis | return
|
749 | 813e42e5 | Antony Chazapis | hashes = [] |
750 | 813e42e5 | Antony Chazapis | size = 0
|
751 | 813e42e5 | Antony Chazapis | h, s = self.node.node_purge(node, until, CLUSTER_NORMAL)
|
752 | 813e42e5 | Antony Chazapis | hashes += h |
753 | 813e42e5 | Antony Chazapis | size += s |
754 | 813e42e5 | Antony Chazapis | h, s = self.node.node_purge(node, until, CLUSTER_HISTORY)
|
755 | 813e42e5 | Antony Chazapis | hashes += h |
756 | 813e42e5 | Antony Chazapis | size += s |
757 | 04230536 | Antony Chazapis | for h in hashes: |
758 | 04230536 | Antony Chazapis | self.store.map_delete(h)
|
759 | 4a1c29ea | Antony Chazapis | self.node.node_purge(node, until, CLUSTER_DELETED)
|
760 | a9b3f29d | Antony Chazapis | try:
|
761 | c915d3bf | Antony Chazapis | props = self._get_version(node)
|
762 | a9b3f29d | Antony Chazapis | except NameError: |
763 | 0f9d752c | Antony Chazapis | self.permissions.access_clear(path)
|
764 | 813e42e5 | Antony Chazapis | self._report_size_change(user, account, -size, {'action': 'object purge'}) |
765 | a9b3f29d | Antony Chazapis | return
|
766 | a9b3f29d | Antony Chazapis | |
767 | c915d3bf | Antony Chazapis | path, node = self._lookup_object(account, container, name)
|
768 | 33b4e4a6 | Antony Chazapis | src_version_id, dest_version_id = self._put_version_duplicate(user, node, size=0, type='', hash=None, checksum='', cluster=CLUSTER_DELETED) |
769 | 813e42e5 | Antony Chazapis | del_size = self._apply_versioning(account, container, src_version_id)
|
770 | 813e42e5 | Antony Chazapis | if del_size:
|
771 | 813e42e5 | Antony Chazapis | self._report_size_change(user, account, -del_size, {'action': 'object delete'}) |
772 | 0f9d752c | Antony Chazapis | self.permissions.access_clear(path)
|
773 | a9b3f29d | Antony Chazapis | |
774 | 62f915a1 | Antony Chazapis | @backend_method
|
775 | dff7b6f1 | Sofia Papagiannaki | def delete_object(self, user, account, container, name, until=None): |
776 | dff7b6f1 | Sofia Papagiannaki | """Delete/purge an object."""
|
777 | dff7b6f1 | Sofia Papagiannaki | |
778 | dff7b6f1 | Sofia Papagiannaki | logger.debug("delete_object: %s %s %s %s", account, container, name, until)
|
779 | dff7b6f1 | Sofia Papagiannaki | self._delete_object(user, account, container, name, until)
|
780 | dff7b6f1 | Sofia Papagiannaki | |
781 | dff7b6f1 | Sofia Papagiannaki | @backend_method
|
782 | 62f915a1 | Antony Chazapis | def list_versions(self, user, account, container, name): |
783 | 62f915a1 | Antony Chazapis | """Return a list of all (version, version_timestamp) tuples for an object."""
|
784 | 62f915a1 | Antony Chazapis | |
785 | 62f915a1 | Antony Chazapis | logger.debug("list_versions: %s %s %s", account, container, name)
|
786 | 62f915a1 | Antony Chazapis | self._can_read(user, account, container, name)
|
787 | 60b8a083 | Antony Chazapis | path, node = self._lookup_object(account, container, name)
|
788 | 97d45f69 | Antony Chazapis | versions = self.node.node_get_versions(node)
|
789 | 97d45f69 | Antony Chazapis | return [[x[self.SERIAL], x[self.MTIME]] for x in versions if x[self.CLUSTER] != CLUSTER_DELETED] |
790 | a9b3f29d | Antony Chazapis | |
791 | bb4eafc6 | Antony Chazapis | @backend_method
|
792 | 37bee317 | Antony Chazapis | def get_uuid(self, user, uuid): |
793 | 37bee317 | Antony Chazapis | """Return the (account, container, name) for the UUID given."""
|
794 | af75e8a5 | Antony Chazapis | |
795 | 37bee317 | Antony Chazapis | logger.debug("get_uuid: %s", uuid)
|
796 | 37bee317 | Antony Chazapis | info = self.node.latest_uuid(uuid)
|
797 | 37bee317 | Antony Chazapis | if info is None: |
798 | 37bee317 | Antony Chazapis | raise NameError |
799 | 37bee317 | Antony Chazapis | path, serial = info |
800 | 37bee317 | Antony Chazapis | account, container, name = path.split('/', 2) |
801 | 37bee317 | Antony Chazapis | self._can_read(user, account, container, name)
|
802 | 37bee317 | Antony Chazapis | return (account, container, name)
|
803 | 37bee317 | Antony Chazapis | |
804 | 37bee317 | Antony Chazapis | @backend_method
|
805 | bb4eafc6 | Antony Chazapis | def get_public(self, user, public): |
806 | bb4eafc6 | Antony Chazapis | """Return the (account, container, name) for the public id given."""
|
807 | af75e8a5 | Antony Chazapis | |
808 | bb4eafc6 | Antony Chazapis | logger.debug("get_public: %s", public)
|
809 | bb4eafc6 | Antony Chazapis | if public is None or public < ULTIMATE_ANSWER: |
810 | bb4eafc6 | Antony Chazapis | raise NameError |
811 | bb4eafc6 | Antony Chazapis | path = self.permissions.public_path(public - ULTIMATE_ANSWER)
|
812 | 37bee317 | Antony Chazapis | if path is None: |
813 | 37bee317 | Antony Chazapis | raise NameError |
814 | bb4eafc6 | Antony Chazapis | account, container, name = path.split('/', 2) |
815 | bb4eafc6 | Antony Chazapis | self._can_read(user, account, container, name)
|
816 | bb4eafc6 | Antony Chazapis | return (account, container, name)
|
817 | bb4eafc6 | Antony Chazapis | |
818 | a9b3f29d | Antony Chazapis | @backend_method(autocommit=0) |
819 | a9b3f29d | Antony Chazapis | def get_block(self, hash): |
820 | a9b3f29d | Antony Chazapis | """Return a block's data."""
|
821 | a9b3f29d | Antony Chazapis | |
822 | a9b3f29d | Antony Chazapis | logger.debug("get_block: %s", hash) |
823 | 7ca7bb08 | Antony Chazapis | block = self.store.block_get(binascii.unhexlify(hash)) |
824 | 7ca7bb08 | Antony Chazapis | if not block: |
825 | a9b3f29d | Antony Chazapis | raise NameError('Block does not exist') |
826 | 7ca7bb08 | Antony Chazapis | return block
|
827 | a9b3f29d | Antony Chazapis | |
828 | a9b3f29d | Antony Chazapis | @backend_method(autocommit=0) |
829 | a9b3f29d | Antony Chazapis | def put_block(self, data): |
830 | 60b8a083 | Antony Chazapis | """Store a block and return the hash."""
|
831 | a9b3f29d | Antony Chazapis | |
832 | a9b3f29d | Antony Chazapis | logger.debug("put_block: %s", len(data)) |
833 | 7ca7bb08 | Antony Chazapis | return binascii.hexlify(self.store.block_put(data)) |
834 | a9b3f29d | Antony Chazapis | |
835 | a9b3f29d | Antony Chazapis | @backend_method(autocommit=0) |
836 | a9b3f29d | Antony Chazapis | def update_block(self, hash, data, offset=0): |
837 | a9b3f29d | Antony Chazapis | """Update a known block and return the hash."""
|
838 | a9b3f29d | Antony Chazapis | |
839 | a9b3f29d | Antony Chazapis | logger.debug("update_block: %s %s %s", hash, len(data), offset) |
840 | a9b3f29d | Antony Chazapis | if offset == 0 and len(data) == self.block_size: |
841 | a9b3f29d | Antony Chazapis | return self.put_block(data) |
842 | 7ca7bb08 | Antony Chazapis | h = self.store.block_update(binascii.unhexlify(hash), offset, data) |
843 | a9b3f29d | Antony Chazapis | return binascii.hexlify(h)
|
844 | a9b3f29d | Antony Chazapis | |
845 | 44ad5860 | Antony Chazapis | # Path functions.
|
846 | 44ad5860 | Antony Chazapis | |
847 | 37bee317 | Antony Chazapis | def _generate_uuid(self): |
848 | 37bee317 | Antony Chazapis | return str(uuidlib.uuid4()) |
849 | 25ae8b75 | Antony Chazapis | |
850 | b9064632 | Antony Chazapis | def _put_object_node(self, path, parent, name): |
851 | c915d3bf | Antony Chazapis | path = '/'.join((path, name))
|
852 | c915d3bf | Antony Chazapis | node = self.node.node_lookup(path)
|
853 | c915d3bf | Antony Chazapis | if node is None: |
854 | c915d3bf | Antony Chazapis | node = self.node.node_create(parent, path)
|
855 | c915d3bf | Antony Chazapis | return path, node
|
856 | c915d3bf | Antony Chazapis | |
857 | 62f915a1 | Antony Chazapis | def _put_path(self, user, parent, path): |
858 | 62f915a1 | Antony Chazapis | node = self.node.node_create(parent, path)
|
859 | 33b4e4a6 | Antony Chazapis | self.node.version_create(node, None, 0, '', None, user, self._generate_uuid(), '', CLUSTER_NORMAL) |
860 | 62f915a1 | Antony Chazapis | return node
|
861 | 62f915a1 | Antony Chazapis | |
862 | 44ad5860 | Antony Chazapis | def _lookup_account(self, account, create=True): |
863 | 44ad5860 | Antony Chazapis | node = self.node.node_lookup(account)
|
864 | 44ad5860 | Antony Chazapis | if node is None and create: |
865 | 2c5363a0 | Antony Chazapis | node = self._put_path(account, self.ROOTNODE, account) # User is account. |
866 | c915d3bf | Antony Chazapis | return account, node
|
867 | 44ad5860 | Antony Chazapis | |
868 | 44ad5860 | Antony Chazapis | def _lookup_container(self, account, container): |
869 | c915d3bf | Antony Chazapis | path = '/'.join((account, container))
|
870 | c915d3bf | Antony Chazapis | node = self.node.node_lookup(path)
|
871 | 44ad5860 | Antony Chazapis | if node is None: |
872 | 44ad5860 | Antony Chazapis | raise NameError('Container does not exist') |
873 | c915d3bf | Antony Chazapis | return path, node
|
874 | 44ad5860 | Antony Chazapis | |
875 | 44ad5860 | Antony Chazapis | def _lookup_object(self, account, container, name): |
876 | c915d3bf | Antony Chazapis | path = '/'.join((account, container, name))
|
877 | c915d3bf | Antony Chazapis | node = self.node.node_lookup(path)
|
878 | 44ad5860 | Antony Chazapis | if node is None: |
879 | 44ad5860 | Antony Chazapis | raise NameError('Object does not exist') |
880 | c915d3bf | Antony Chazapis | return path, node
|
881 | 44ad5860 | Antony Chazapis | |
882 | 44ad5860 | Antony Chazapis | def _get_properties(self, node, until=None): |
883 | 44ad5860 | Antony Chazapis | """Return properties until the timestamp given."""
|
884 | 44ad5860 | Antony Chazapis | |
885 | 44ad5860 | Antony Chazapis | before = until if until is not None else inf |
886 | 44ad5860 | Antony Chazapis | props = self.node.version_lookup(node, before, CLUSTER_NORMAL)
|
887 | 44ad5860 | Antony Chazapis | if props is None and until is not None: |
888 | 44ad5860 | Antony Chazapis | props = self.node.version_lookup(node, before, CLUSTER_HISTORY)
|
889 | 44ad5860 | Antony Chazapis | if props is None: |
890 | 44ad5860 | Antony Chazapis | raise NameError('Path does not exist') |
891 | 44ad5860 | Antony Chazapis | return props
|
892 | 44ad5860 | Antony Chazapis | |
893 | 62f915a1 | Antony Chazapis | def _get_statistics(self, node, until=None): |
894 | 62f915a1 | Antony Chazapis | """Return count, sum of size and latest timestamp of everything under node."""
|
895 | c915d3bf | Antony Chazapis | |
896 | 44ad5860 | Antony Chazapis | if until is None: |
897 | 62f915a1 | Antony Chazapis | stats = self.node.statistics_get(node, CLUSTER_NORMAL)
|
898 | 44ad5860 | Antony Chazapis | else:
|
899 | 62f915a1 | Antony Chazapis | stats = self.node.statistics_latest(node, until, CLUSTER_DELETED)
|
900 | 62f915a1 | Antony Chazapis | if stats is None: |
901 | 62f915a1 | Antony Chazapis | stats = (0, 0, 0) |
902 | 62f915a1 | Antony Chazapis | return stats
|
903 | 44ad5860 | Antony Chazapis | |
904 | 44ad5860 | Antony Chazapis | def _get_version(self, node, version=None): |
905 | 44ad5860 | Antony Chazapis | if version is None: |
906 | 44ad5860 | Antony Chazapis | props = self.node.version_lookup(node, inf, CLUSTER_NORMAL)
|
907 | 44ad5860 | Antony Chazapis | if props is None: |
908 | 44ad5860 | Antony Chazapis | raise NameError('Object does not exist') |
909 | 44ad5860 | Antony Chazapis | else:
|
910 | 07afd277 | Antony Chazapis | try:
|
911 | 07afd277 | Antony Chazapis | version = int(version)
|
912 | 07afd277 | Antony Chazapis | except ValueError: |
913 | 07afd277 | Antony Chazapis | raise IndexError('Version does not exist') |
914 | 44ad5860 | Antony Chazapis | props = self.node.version_get_properties(version)
|
915 | 2c5363a0 | Antony Chazapis | if props is None or props[self.CLUSTER] == CLUSTER_DELETED: |
916 | 44ad5860 | Antony Chazapis | raise IndexError('Version does not exist') |
917 | 44ad5860 | Antony Chazapis | return props
|
918 | 44ad5860 | Antony Chazapis | |
919 | 33b4e4a6 | Antony Chazapis | def _put_version_duplicate(self, user, node, src_node=None, size=None, type=None, hash=None, checksum=None, cluster=CLUSTER_NORMAL, is_copy=False): |
920 | b9064632 | Antony Chazapis | """Create a new version of the node."""
|
921 | c915d3bf | Antony Chazapis | |
922 | 1730b3bf | chazapis | props = self.node.version_lookup(node if src_node is None else src_node, inf, CLUSTER_NORMAL) |
923 | b9064632 | Antony Chazapis | if props is not None: |
924 | b9064632 | Antony Chazapis | src_version_id = props[self.SERIAL]
|
925 | b9064632 | Antony Chazapis | src_hash = props[self.HASH]
|
926 | b9064632 | Antony Chazapis | src_size = props[self.SIZE]
|
927 | 66ce2ca5 | Antony Chazapis | src_type = props[self.TYPE]
|
928 | 33b4e4a6 | Antony Chazapis | src_checksum = props[self.CHECKSUM]
|
929 | 44ad5860 | Antony Chazapis | else:
|
930 | b9064632 | Antony Chazapis | src_version_id = None
|
931 | b9064632 | Antony Chazapis | src_hash = None
|
932 | b9064632 | Antony Chazapis | src_size = 0
|
933 | 66ce2ca5 | Antony Chazapis | src_type = ''
|
934 | 33b4e4a6 | Antony Chazapis | src_checksum = ''
|
935 | 66ce2ca5 | Antony Chazapis | if size is None: # Set metadata. |
936 | 66ce2ca5 | Antony Chazapis | hash = src_hash # This way hash can be set to None (account or container).
|
937 | b9064632 | Antony Chazapis | size = src_size |
938 | 66ce2ca5 | Antony Chazapis | if type is None: |
939 | 66ce2ca5 | Antony Chazapis | type = src_type |
940 | 33b4e4a6 | Antony Chazapis | if checksum is None: |
941 | 33b4e4a6 | Antony Chazapis | checksum = src_checksum |
942 | 1730b3bf | chazapis | uuid = self._generate_uuid() if (is_copy or src_version_id is None) else props[self.UUID] |
943 | 1730b3bf | chazapis | |
944 | 1730b3bf | chazapis | if src_node is None: |
945 | 1730b3bf | chazapis | pre_version_id = src_version_id |
946 | 1730b3bf | chazapis | else:
|
947 | 1730b3bf | chazapis | pre_version_id = None
|
948 | 1730b3bf | chazapis | props = self.node.version_lookup(node, inf, CLUSTER_NORMAL)
|
949 | 1730b3bf | chazapis | if props is not None: |
950 | 1730b3bf | chazapis | pre_version_id = props[self.SERIAL]
|
951 | 1730b3bf | chazapis | if pre_version_id is not None: |
952 | 1730b3bf | chazapis | self.node.version_recluster(pre_version_id, CLUSTER_HISTORY)
|
953 | b9064632 | Antony Chazapis | |
954 | 33b4e4a6 | Antony Chazapis | dest_version_id, mtime = self.node.version_create(node, hash, size, type, src_version_id, user, uuid, checksum, cluster) |
955 | 1730b3bf | chazapis | return pre_version_id, dest_version_id
|
956 | 44ad5860 | Antony Chazapis | |
957 | 4819d34f | Antony Chazapis | def _put_metadata_duplicate(self, src_version_id, dest_version_id, domain, meta, replace=False): |
958 | 4819d34f | Antony Chazapis | if src_version_id is not None: |
959 | 4819d34f | Antony Chazapis | self.node.attribute_copy(src_version_id, dest_version_id)
|
960 | 4819d34f | Antony Chazapis | if not replace: |
961 | 4819d34f | Antony Chazapis | self.node.attribute_del(dest_version_id, domain, (k for k, v in meta.iteritems() if v == '')) |
962 | 4819d34f | Antony Chazapis | self.node.attribute_set(dest_version_id, domain, ((k, v) for k, v in meta.iteritems() if v != '')) |
963 | 4819d34f | Antony Chazapis | else:
|
964 | 4819d34f | Antony Chazapis | self.node.attribute_del(dest_version_id, domain)
|
965 | 4819d34f | Antony Chazapis | self.node.attribute_set(dest_version_id, domain, ((k, v) for k, v in meta.iteritems())) |
966 | 4819d34f | Antony Chazapis | |
967 | 4819d34f | Antony Chazapis | def _put_metadata(self, user, node, domain, meta, replace=False): |
968 | 44ad5860 | Antony Chazapis | """Create a new version and store metadata."""
|
969 | 44ad5860 | Antony Chazapis | |
970 | b9064632 | Antony Chazapis | src_version_id, dest_version_id = self._put_version_duplicate(user, node)
|
971 | 4819d34f | Antony Chazapis | self._put_metadata_duplicate(src_version_id, dest_version_id, domain, meta, replace)
|
972 | 5cc484e1 | Antony Chazapis | return src_version_id, dest_version_id
|
973 | 44ad5860 | Antony Chazapis | |
974 | 60b8a083 | Antony Chazapis | def _list_limits(self, listing, marker, limit): |
975 | 60b8a083 | Antony Chazapis | start = 0
|
976 | 60b8a083 | Antony Chazapis | if marker:
|
977 | 60b8a083 | Antony Chazapis | try:
|
978 | 60b8a083 | Antony Chazapis | start = listing.index(marker) + 1
|
979 | 60b8a083 | Antony Chazapis | except ValueError: |
980 | 60b8a083 | Antony Chazapis | pass
|
981 | 60b8a083 | Antony Chazapis | if not limit or limit > 10000: |
982 | 60b8a083 | Antony Chazapis | limit = 10000
|
983 | 60b8a083 | Antony Chazapis | return start, limit
|
984 | 60b8a083 | Antony Chazapis | |
985 | 371d907a | Antony Chazapis | def _list_object_properties(self, parent, path, prefix='', delimiter=None, marker=None, limit=10000, virtual=True, domain=None, keys=[], until=None, size_range=None, allowed=[], all_props=False): |
986 | 60b8a083 | Antony Chazapis | cont_prefix = path + '/'
|
987 | 60b8a083 | Antony Chazapis | prefix = cont_prefix + prefix |
988 | 60b8a083 | Antony Chazapis | start = cont_prefix + marker if marker else None |
989 | 60b8a083 | Antony Chazapis | before = until if until is not None else inf |
990 | 4819d34f | Antony Chazapis | filterq = keys if domain else [] |
991 | 7ff57991 | Antony Chazapis | sizeq = size_range |
992 | 60b8a083 | Antony Chazapis | |
993 | 371d907a | Antony Chazapis | objects, prefixes = self.node.latest_version_list(parent, prefix, delimiter, start, limit, before, CLUSTER_DELETED, allowed, domain, filterq, sizeq, all_props)
|
994 | 60b8a083 | Antony Chazapis | objects.extend([(p, None) for p in prefixes] if virtual else []) |
995 | 43be9afd | Sofia Papagiannaki | objects.sort(key=lambda x: x[0]) |
996 | 371d907a | Antony Chazapis | objects = [(x[0][len(cont_prefix):],) + x[1:] for x in objects] |
997 | 60b8a083 | Antony Chazapis | |
998 | 60b8a083 | Antony Chazapis | start, limit = self._list_limits([x[0] for x in objects], marker, limit) |
999 | 60b8a083 | Antony Chazapis | return objects[start:start + limit]
|
1000 | 60b8a083 | Antony Chazapis | |
1001 | 813e42e5 | Antony Chazapis | # Reporting functions.
|
1002 | 813e42e5 | Antony Chazapis | |
1003 | 813e42e5 | Antony Chazapis | def _report_size_change(self, user, account, size, details={}): |
1004 | 813e42e5 | Antony Chazapis | logger.debug("_report_size_change: %s %s %s %s", user, account, size, details)
|
1005 | 813e42e5 | Antony Chazapis | account_node = self._lookup_account(account, True)[1] |
1006 | 813e42e5 | Antony Chazapis | total = self._get_statistics(account_node)[1] |
1007 | 813e42e5 | Antony Chazapis | details.update({'user': user, 'total': total}) |
1008 | 813e42e5 | Antony Chazapis | self.queue.send(account, 'diskspace', size, details) |
1009 | 813e42e5 | Antony Chazapis | |
1010 | 60b8a083 | Antony Chazapis | # Policy functions.
|
1011 | 60b8a083 | Antony Chazapis | |
1012 | 60b8a083 | Antony Chazapis | def _check_policy(self, policy): |
1013 | 60b8a083 | Antony Chazapis | for k in policy.keys(): |
1014 | 60b8a083 | Antony Chazapis | if policy[k] == '': |
1015 | 60b8a083 | Antony Chazapis | policy[k] = self.default_policy.get(k)
|
1016 | 60b8a083 | Antony Chazapis | for k, v in policy.iteritems(): |
1017 | 60b8a083 | Antony Chazapis | if k == 'quota': |
1018 | 60b8a083 | Antony Chazapis | q = int(v) # May raise ValueError. |
1019 | 60b8a083 | Antony Chazapis | if q < 0: |
1020 | 60b8a083 | Antony Chazapis | raise ValueError |
1021 | 60b8a083 | Antony Chazapis | elif k == 'versioning': |
1022 | 5cc484e1 | Antony Chazapis | if v not in ['auto', 'none']: |
1023 | 60b8a083 | Antony Chazapis | raise ValueError |
1024 | 60b8a083 | Antony Chazapis | else:
|
1025 | 60b8a083 | Antony Chazapis | raise ValueError |
1026 | 60b8a083 | Antony Chazapis | |
1027 | b2832c6a | Antony Chazapis | def _put_policy(self, node, policy, replace): |
1028 | b2832c6a | Antony Chazapis | if replace:
|
1029 | b2832c6a | Antony Chazapis | for k, v in self.default_policy.iteritems(): |
1030 | b2832c6a | Antony Chazapis | if k not in policy: |
1031 | b2832c6a | Antony Chazapis | policy[k] = v |
1032 | b2832c6a | Antony Chazapis | self.node.policy_set(node, policy)
|
1033 | b2832c6a | Antony Chazapis | |
1034 | b9064632 | Antony Chazapis | def _get_policy(self, node): |
1035 | b9064632 | Antony Chazapis | policy = self.default_policy.copy()
|
1036 | b9064632 | Antony Chazapis | policy.update(self.node.policy_get(node))
|
1037 | b9064632 | Antony Chazapis | return policy
|
1038 | b9064632 | Antony Chazapis | |
1039 | 5cc484e1 | Antony Chazapis | def _apply_versioning(self, account, container, version_id): |
1040 | 813e42e5 | Antony Chazapis | """Delete the provided version if such is the policy.
|
1041 | 813e42e5 | Antony Chazapis | Return size of object removed.
|
1042 | 813e42e5 | Antony Chazapis | """
|
1043 | 813e42e5 | Antony Chazapis | |
1044 | 5cc484e1 | Antony Chazapis | if version_id is None: |
1045 | 813e42e5 | Antony Chazapis | return 0 |
1046 | 5cc484e1 | Antony Chazapis | path, node = self._lookup_container(account, container)
|
1047 | 5cc484e1 | Antony Chazapis | versioning = self._get_policy(node)['versioning'] |
1048 | 5cc484e1 | Antony Chazapis | if versioning != 'auto': |
1049 | 813e42e5 | Antony Chazapis | hash, size = self.node.version_remove(version_id) |
1050 | 5161c672 | Antony Chazapis | self.store.map_delete(hash) |
1051 | 813e42e5 | Antony Chazapis | return size
|
1052 | 813e42e5 | Antony Chazapis | return 0 |
1053 | 5cc484e1 | Antony Chazapis | |
1054 | a9b3f29d | Antony Chazapis | # Access control functions.
|
1055 | a9b3f29d | Antony Chazapis | |
1056 | a9b3f29d | Antony Chazapis | def _check_groups(self, groups): |
1057 | 0f9d752c | Antony Chazapis | # raise ValueError('Bad characters in groups')
|
1058 | a9b3f29d | Antony Chazapis | pass
|
1059 | a9b3f29d | Antony Chazapis | |
1060 | a9b3f29d | Antony Chazapis | def _check_permissions(self, path, permissions): |
1061 | 0f9d752c | Antony Chazapis | # raise ValueError('Bad characters in permissions')
|
1062 | 5e068361 | Antony Chazapis | pass
|
1063 | 5e068361 | Antony Chazapis | |
1064 | 92da0e5a | Antony Chazapis | def _get_formatted_paths(self, paths): |
1065 | 92da0e5a | Antony Chazapis | formatted = [] |
1066 | 92da0e5a | Antony Chazapis | for p in paths: |
1067 | 92da0e5a | Antony Chazapis | node = self.node.node_lookup(p)
|
1068 | 92da0e5a | Antony Chazapis | if node is not None: |
1069 | 92da0e5a | Antony Chazapis | props = self.node.version_lookup(node, inf, CLUSTER_NORMAL)
|
1070 | 92da0e5a | Antony Chazapis | if props is not None: |
1071 | 692485cc | Antony Chazapis | if props[self.TYPE].split(';', 1)[0].strip() in ('application/directory', 'application/folder'): |
1072 | d57eaad4 | Antony Chazapis | formatted.append((p.rstrip('/') + '/', self.MATCH_PREFIX)) |
1073 | d57eaad4 | Antony Chazapis | formatted.append((p, self.MATCH_EXACT))
|
1074 | 92da0e5a | Antony Chazapis | return formatted
|
1075 | 92da0e5a | Antony Chazapis | |
1076 | 5e068361 | Antony Chazapis | def _get_permissions_path(self, account, container, name): |
1077 | 5e068361 | Antony Chazapis | path = '/'.join((account, container, name))
|
1078 | 5e068361 | Antony Chazapis | permission_paths = self.permissions.access_inherit(path)
|
1079 | 5e068361 | Antony Chazapis | permission_paths.sort() |
1080 | 5e068361 | Antony Chazapis | permission_paths.reverse() |
1081 | 5e068361 | Antony Chazapis | for p in permission_paths: |
1082 | 5e068361 | Antony Chazapis | if p == path:
|
1083 | 5e068361 | Antony Chazapis | return p
|
1084 | 5e068361 | Antony Chazapis | else:
|
1085 | 71dbc012 | Antony Chazapis | if p.count('/') < 2: |
1086 | 71dbc012 | Antony Chazapis | continue
|
1087 | 92da0e5a | Antony Chazapis | node = self.node.node_lookup(p)
|
1088 | 92da0e5a | Antony Chazapis | if node is not None: |
1089 | 92da0e5a | Antony Chazapis | props = self.node.version_lookup(node, inf, CLUSTER_NORMAL)
|
1090 | 92da0e5a | Antony Chazapis | if props is not None: |
1091 | 692485cc | Antony Chazapis | if props[self.TYPE].split(';', 1)[0].strip() in ('application/directory', 'application/folder'): |
1092 | 5e068361 | Antony Chazapis | return p
|
1093 | 5e068361 | Antony Chazapis | return None |
1094 | a9b3f29d | Antony Chazapis | |
1095 | 6f4bce7b | Antony Chazapis | def _can_read(self, user, account, container, name): |
1096 | a9b3f29d | Antony Chazapis | if user == account:
|
1097 | a9b3f29d | Antony Chazapis | return True |
1098 | a9b3f29d | Antony Chazapis | path = '/'.join((account, container, name))
|
1099 | aeb2b64f | Antony Chazapis | if self.permissions.public_get(path) is not None: |
1100 | 71dbc012 | Antony Chazapis | return True |
1101 | 5e068361 | Antony Chazapis | path = self._get_permissions_path(account, container, name)
|
1102 | 71dbc012 | Antony Chazapis | if not path: |
1103 | 71dbc012 | Antony Chazapis | raise NotAllowedError
|
1104 | 2c5363a0 | Antony Chazapis | if not self.permissions.access_check(path, self.READ, user) and not self.permissions.access_check(path, self.WRITE, user): |
1105 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
1106 | a9b3f29d | Antony Chazapis | |
1107 | a9b3f29d | Antony Chazapis | def _can_write(self, user, account, container, name): |
1108 | 6f4bce7b | Antony Chazapis | if user == account:
|
1109 | 6f4bce7b | Antony Chazapis | return True |
1110 | 6f4bce7b | Antony Chazapis | path = '/'.join((account, container, name))
|
1111 | 71dbc012 | Antony Chazapis | path = self._get_permissions_path(account, container, name)
|
1112 | 71dbc012 | Antony Chazapis | if not path: |
1113 | 71dbc012 | Antony Chazapis | raise NotAllowedError
|
1114 | 2c5363a0 | Antony Chazapis | if not self.permissions.access_check(path, self.WRITE, user): |
1115 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
1116 | a9b3f29d | Antony Chazapis | |
1117 | a9b3f29d | Antony Chazapis | def _allowed_accounts(self, user): |
1118 | a9b3f29d | Antony Chazapis | allow = set()
|
1119 | 0f9d752c | Antony Chazapis | for path in self.permissions.access_list_paths(user): |
1120 | a9b3f29d | Antony Chazapis | allow.add(path.split('/', 1)[0]) |
1121 | a9b3f29d | Antony Chazapis | return sorted(allow) |
1122 | a9b3f29d | Antony Chazapis | |
1123 | a9b3f29d | Antony Chazapis | def _allowed_containers(self, user, account): |
1124 | a9b3f29d | Antony Chazapis | allow = set()
|
1125 | 0f9d752c | Antony Chazapis | for path in self.permissions.access_list_paths(user, account): |
1126 | a9b3f29d | Antony Chazapis | allow.add(path.split('/', 2)[1]) |
1127 | a9b3f29d | Antony Chazapis | return sorted(allow) |