root / snf-pithos-backend / pithos / backends / modular.py @ 4a669c71
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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 | a9b3f29d | Antony Chazapis | import binascii |
40 | a9b3f29d | Antony Chazapis | |
41 | 228de81b | Antony Chazapis | from base import DEFAULT_QUOTA, DEFAULT_VERSIONING, NotAllowedError, QuotaError, BaseBackend |
42 | a9b3f29d | Antony Chazapis | |
43 | 5a96180b | Antony Chazapis | from pithos.lib.hashmap import HashMap |
44 | 5a96180b | Antony Chazapis | |
45 | 228de81b | Antony Chazapis | # Default modules and settings.
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46 | 228de81b | Antony Chazapis | DEFAULT_DB_MODULE = 'pithos.backends.lib.sqlalchemy'
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47 | 228de81b | Antony Chazapis | DEFAULT_DB_CONNECTION = 'sqlite:///backend.db'
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48 | 228de81b | Antony Chazapis | DEFAULT_BLOCK_MODULE = 'pithos.backends.lib.hashfiler'
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49 | 228de81b | Antony Chazapis | DEFAULT_BLOCK_PATH = 'data/'
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50 | fa9cae7e | Antony Chazapis | #DEFAULT_QUEUE_MODULE = 'pithos.backends.lib.rabbitmq'
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51 | fa9cae7e | Antony Chazapis | #DEFAULT_QUEUE_CONNECTION = 'rabbitmq://guest:guest@localhost:5672/pithos'
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52 | fa9cae7e | Antony Chazapis | |
53 | fa9cae7e | Antony Chazapis | QUEUE_MESSAGE_KEY = '#'
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54 | fa9cae7e | Antony Chazapis | QUEUE_CLIENT_ID = 2 # Pithos. |
55 | 228de81b | Antony Chazapis | |
56 | 44ad5860 | Antony Chazapis | ( CLUSTER_NORMAL, CLUSTER_HISTORY, CLUSTER_DELETED ) = range(3) |
57 | 44ad5860 | Antony Chazapis | |
58 | 44ad5860 | Antony Chazapis | inf = float('inf') |
59 | 44ad5860 | Antony Chazapis | |
60 | bb4eafc6 | Antony Chazapis | ULTIMATE_ANSWER = 42
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61 | bb4eafc6 | Antony Chazapis | |
62 | a9b3f29d | Antony Chazapis | |
63 | a9b3f29d | Antony Chazapis | logger = logging.getLogger(__name__) |
64 | a9b3f29d | Antony Chazapis | |
65 | 1c2fc0ff | Antony Chazapis | |
66 | a9b3f29d | Antony Chazapis | def backend_method(func=None, autocommit=1): |
67 | a9b3f29d | Antony Chazapis | if func is None: |
68 | a9b3f29d | Antony Chazapis | def fn(func): |
69 | a9b3f29d | Antony Chazapis | return backend_method(func, autocommit)
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70 | a9b3f29d | Antony Chazapis | return fn
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71 | a9b3f29d | Antony Chazapis | |
72 | a9b3f29d | Antony Chazapis | if not autocommit: |
73 | a9b3f29d | Antony Chazapis | return func
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74 | a9b3f29d | Antony Chazapis | def fn(self, *args, **kw): |
75 | 2c5363a0 | Antony Chazapis | self.wrapper.execute()
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76 | a9b3f29d | Antony Chazapis | try:
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77 | a9b3f29d | Antony Chazapis | ret = func(self, *args, **kw)
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78 | 2c5363a0 | Antony Chazapis | self.wrapper.commit()
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79 | a9b3f29d | Antony Chazapis | return ret
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80 | a9b3f29d | Antony Chazapis | except:
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81 | 2c5363a0 | Antony Chazapis | self.wrapper.rollback()
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82 | a9b3f29d | Antony Chazapis | raise
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83 | a9b3f29d | Antony Chazapis | return fn
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84 | a9b3f29d | Antony Chazapis | |
85 | a9b3f29d | Antony Chazapis | |
86 | a9b3f29d | Antony Chazapis | class ModularBackend(BaseBackend): |
87 | a9b3f29d | Antony Chazapis | """A modular backend.
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88 | a9b3f29d | Antony Chazapis |
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89 | e9363f82 | Antony Chazapis | Uses modules for SQL functions and storage.
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90 | a9b3f29d | Antony Chazapis | """
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91 | a9b3f29d | Antony Chazapis | |
92 | 46286f5f | Antony Chazapis | def __init__(self, db_module=None, db_connection=None, |
93 | 46286f5f | Antony Chazapis | block_module=None, block_path=None, |
94 | 46286f5f | Antony Chazapis | queue_module=None, queue_connection=None): |
95 | 228de81b | Antony Chazapis | db_module = db_module or DEFAULT_DB_MODULE
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96 | 228de81b | Antony Chazapis | db_connection = db_connection or DEFAULT_DB_CONNECTION
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97 | 228de81b | Antony Chazapis | block_module = block_module or DEFAULT_BLOCK_MODULE
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98 | 228de81b | Antony Chazapis | block_path = block_path or DEFAULT_BLOCK_PATH
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99 | 46286f5f | Antony Chazapis | #queue_module = queue_module or DEFAULT_QUEUE_MODULE
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100 | 46286f5f | Antony Chazapis | #queue_connection = queue_connection or DEFAULT_QUEUE_CONNECTION
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101 | f81e20b0 | Giorgos Verigakis | |
102 | a9b3f29d | Antony Chazapis | self.hash_algorithm = 'sha256' |
103 | a9b3f29d | Antony Chazapis | self.block_size = 4 * 1024 * 1024 # 4MB |
104 | a9b3f29d | Antony Chazapis | |
105 | 228de81b | Antony Chazapis | self.default_policy = {'quota': DEFAULT_QUOTA, 'versioning': DEFAULT_VERSIONING} |
106 | a9b3f29d | Antony Chazapis | |
107 | 46286f5f | Antony Chazapis | def load_module(m): |
108 | 46286f5f | Antony Chazapis | __import__(m)
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109 | 46286f5f | Antony Chazapis | return sys.modules[m]
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110 | a9b3f29d | Antony Chazapis | |
111 | 46286f5f | Antony Chazapis | self.db_module = load_module(db_module)
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112 | 46286f5f | Antony Chazapis | self.wrapper = self.db_module.DBWrapper(db_connection) |
113 | e9363f82 | Antony Chazapis | params = {'wrapper': self.wrapper} |
114 | e9363f82 | Antony Chazapis | self.permissions = self.db_module.Permissions(**params) |
115 | e9363f82 | Antony Chazapis | for x in ['READ', 'WRITE']: |
116 | e9363f82 | Antony Chazapis | setattr(self, x, getattr(self.db_module, x)) |
117 | e9363f82 | Antony Chazapis | self.node = self.db_module.Node(**params) |
118 | 33b4e4a6 | Antony Chazapis | for x in ['ROOTNODE', 'SERIAL', 'HASH', 'SIZE', 'TYPE', 'MTIME', 'MUSER', 'UUID', 'CHECKSUM', 'CLUSTER', 'MATCH_PREFIX', 'MATCH_EXACT']: |
119 | e9363f82 | Antony Chazapis | setattr(self, x, getattr(self.db_module, x)) |
120 | e9363f82 | Antony Chazapis | |
121 | 46286f5f | Antony Chazapis | self.block_module = load_module(block_module)
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122 | 7ca7bb08 | Antony Chazapis | params = {'path': block_path,
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123 | 7ca7bb08 | Antony Chazapis | 'block_size': self.block_size, |
124 | 7ca7bb08 | Antony Chazapis | 'hash_algorithm': self.hash_algorithm} |
125 | 7ca7bb08 | Antony Chazapis | self.store = self.block_module.Store(**params) |
126 | 46286f5f | Antony Chazapis | |
127 | 46286f5f | Antony Chazapis | if queue_module and queue_connection: |
128 | 46286f5f | Antony Chazapis | self.queue_module = load_module(queue_module)
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129 | fa9cae7e | Antony Chazapis | params = {'exchange': queue_connection,
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130 | fa9cae7e | Antony Chazapis | 'message_key': QUEUE_MESSAGE_KEY,
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131 | fa9cae7e | Antony Chazapis | 'client_id': QUEUE_CLIENT_ID}
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132 | 46286f5f | Antony Chazapis | self.queue = self.queue_module.Queue(**params) |
133 | 46286f5f | Antony Chazapis | else:
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134 | 46286f5f | Antony Chazapis | class NoQueue: |
135 | 1a239dc1 | Sofia Papagiannaki | def send(self, *args): |
136 | 46286f5f | Antony Chazapis | pass
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137 | b9a8feec | root | |
138 | b9a8feec | root | def close(self): |
139 | b9a8feec | root | pass
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140 | 46286f5f | Antony Chazapis | |
141 | 46286f5f | Antony Chazapis | self.queue = NoQueue()
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142 | a9b3f29d | Antony Chazapis | |
143 | d14fe290 | Antony Chazapis | def close(self): |
144 | d14fe290 | Antony Chazapis | self.wrapper.close()
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145 | b9a8feec | root | self.queue.close()
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146 | d14fe290 | Antony Chazapis | |
147 | a9b3f29d | Antony Chazapis | @backend_method
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148 | a9b3f29d | Antony Chazapis | def list_accounts(self, user, marker=None, limit=10000): |
149 | a9b3f29d | Antony Chazapis | """Return a list of accounts the user can access."""
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150 | a9b3f29d | Antony Chazapis | |
151 | 02c4d2ba | Antony Chazapis | logger.debug("list_accounts: %s %s %s", user, marker, limit)
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152 | a9b3f29d | Antony Chazapis | allowed = self._allowed_accounts(user)
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153 | a9b3f29d | Antony Chazapis | start, limit = self._list_limits(allowed, marker, limit)
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154 | a9b3f29d | Antony Chazapis | return allowed[start:start + limit]
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155 | a9b3f29d | Antony Chazapis | |
156 | a9b3f29d | Antony Chazapis | @backend_method
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157 | 82482e2c | Antony Chazapis | def get_account_meta(self, user, account, domain, until=None, include_user_defined=True): |
158 | cb69c154 | Antony Chazapis | """Return a dictionary with the account metadata for the domain."""
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159 | a9b3f29d | Antony Chazapis | |
160 | cb69c154 | Antony Chazapis | logger.debug("get_account_meta: %s %s %s", account, domain, until)
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161 | c915d3bf | Antony Chazapis | path, node = self._lookup_account(account, user == account)
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162 | a9b3f29d | Antony Chazapis | if user != account:
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163 | 44ad5860 | Antony Chazapis | if until or node is None or account not in self._allowed_accounts(user): |
164 | a9b3f29d | Antony Chazapis | raise NotAllowedError
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165 | a9b3f29d | Antony Chazapis | try:
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166 | 44ad5860 | Antony Chazapis | props = self._get_properties(node, until)
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167 | 2c5363a0 | Antony Chazapis | mtime = props[self.MTIME]
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168 | a9b3f29d | Antony Chazapis | except NameError: |
169 | 62f915a1 | Antony Chazapis | props = None
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170 | a9b3f29d | Antony Chazapis | mtime = until |
171 | 62f915a1 | Antony Chazapis | count, bytes, tstamp = self._get_statistics(node, until) |
172 | 62f915a1 | Antony Chazapis | tstamp = max(tstamp, mtime)
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173 | a9b3f29d | Antony Chazapis | if until is None: |
174 | a9b3f29d | Antony Chazapis | modified = tstamp |
175 | a9b3f29d | Antony Chazapis | else:
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176 | 62f915a1 | Antony Chazapis | modified = self._get_statistics(node)[2] # Overall last modification. |
177 | 62f915a1 | Antony Chazapis | modified = max(modified, mtime)
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178 | a9b3f29d | Antony Chazapis | |
179 | a9b3f29d | Antony Chazapis | if user != account:
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180 | a9b3f29d | Antony Chazapis | meta = {'name': account}
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181 | a9b3f29d | Antony Chazapis | else:
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182 | 44ad5860 | Antony Chazapis | meta = {} |
183 | 82482e2c | Antony Chazapis | if props is not None and include_user_defined: |
184 | 4819d34f | Antony Chazapis | meta.update(dict(self.node.attribute_get(props[self.SERIAL], domain))) |
185 | a9b3f29d | Antony Chazapis | if until is not None: |
186 | a9b3f29d | Antony Chazapis | meta.update({'until_timestamp': tstamp})
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187 | 44ad5860 | Antony Chazapis | meta.update({'name': account, 'count': count, 'bytes': bytes}) |
188 | a9b3f29d | Antony Chazapis | meta.update({'modified': modified})
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189 | a9b3f29d | Antony Chazapis | return meta
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190 | a9b3f29d | Antony Chazapis | |
191 | a9b3f29d | Antony Chazapis | @backend_method
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192 | cb69c154 | Antony Chazapis | def update_account_meta(self, user, account, domain, meta, replace=False): |
193 | cb69c154 | Antony Chazapis | """Update the metadata associated with the account for the domain."""
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194 | a9b3f29d | Antony Chazapis | |
195 | cb69c154 | Antony Chazapis | logger.debug("update_account_meta: %s %s %s %s", account, domain, meta, replace)
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196 | a9b3f29d | Antony Chazapis | if user != account:
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197 | a9b3f29d | Antony Chazapis | raise NotAllowedError
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198 | c915d3bf | Antony Chazapis | path, node = self._lookup_account(account, True) |
199 | 4819d34f | Antony Chazapis | self._put_metadata(user, node, domain, meta, replace)
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200 | a9b3f29d | Antony Chazapis | |
201 | a9b3f29d | Antony Chazapis | @backend_method
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202 | a9b3f29d | Antony Chazapis | def get_account_groups(self, user, account): |
203 | a9b3f29d | Antony Chazapis | """Return a dictionary with the user groups defined for this account."""
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204 | a9b3f29d | Antony Chazapis | |
205 | a9b3f29d | Antony Chazapis | logger.debug("get_account_groups: %s", account)
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206 | a9b3f29d | Antony Chazapis | if user != account:
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207 | a9b3f29d | Antony Chazapis | if account not in self._allowed_accounts(user): |
208 | a9b3f29d | Antony Chazapis | raise NotAllowedError
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209 | a9b3f29d | Antony Chazapis | return {}
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210 | 44ad5860 | Antony Chazapis | self._lookup_account(account, True) |
211 | 0f9d752c | Antony Chazapis | return self.permissions.group_dict(account) |
212 | a9b3f29d | Antony Chazapis | |
213 | a9b3f29d | Antony Chazapis | @backend_method
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214 | a9b3f29d | Antony Chazapis | def update_account_groups(self, user, account, groups, replace=False): |
215 | a9b3f29d | Antony Chazapis | """Update the groups associated with the account."""
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216 | a9b3f29d | Antony Chazapis | |
217 | a9b3f29d | Antony Chazapis | logger.debug("update_account_groups: %s %s %s", account, groups, replace)
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218 | a9b3f29d | Antony Chazapis | if user != account:
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219 | a9b3f29d | Antony Chazapis | raise NotAllowedError
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220 | 44ad5860 | Antony Chazapis | self._lookup_account(account, True) |
221 | a9b3f29d | Antony Chazapis | self._check_groups(groups)
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222 | 0f9d752c | Antony Chazapis | if replace:
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223 | 0f9d752c | Antony Chazapis | self.permissions.group_destroy(account)
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224 | 0f9d752c | Antony Chazapis | for k, v in groups.iteritems(): |
225 | 0f9d752c | Antony Chazapis | if not replace: # If not already deleted. |
226 | 0f9d752c | Antony Chazapis | self.permissions.group_delete(account, k)
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227 | 0f9d752c | Antony Chazapis | if v:
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228 | 0f9d752c | Antony Chazapis | self.permissions.group_addmany(account, k, v)
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229 | a9b3f29d | Antony Chazapis | |
230 | a9b3f29d | Antony Chazapis | @backend_method
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231 | b2832c6a | Antony Chazapis | def get_account_policy(self, user, account): |
232 | b2832c6a | Antony Chazapis | """Return a dictionary with the account policy."""
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233 | b2832c6a | Antony Chazapis | |
234 | b2832c6a | Antony Chazapis | logger.debug("get_account_policy: %s", account)
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235 | b2832c6a | Antony Chazapis | if user != account:
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236 | 647a5f48 | Antony Chazapis | if account not in self._allowed_accounts(user): |
237 | 647a5f48 | Antony Chazapis | raise NotAllowedError
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238 | 647a5f48 | Antony Chazapis | return {}
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239 | b2832c6a | Antony Chazapis | path, node = self._lookup_account(account, True) |
240 | b9064632 | Antony Chazapis | return self._get_policy(node) |
241 | b2832c6a | Antony Chazapis | |
242 | b2832c6a | Antony Chazapis | @backend_method
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243 | b2832c6a | Antony Chazapis | def update_account_policy(self, user, account, policy, replace=False): |
244 | b2832c6a | Antony Chazapis | """Update the policy associated with the account."""
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245 | b2832c6a | Antony Chazapis | |
246 | b2832c6a | Antony Chazapis | logger.debug("update_account_policy: %s %s %s", account, policy, replace)
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247 | b2832c6a | Antony Chazapis | if user != account:
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248 | b2832c6a | Antony Chazapis | raise NotAllowedError
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249 | b2832c6a | Antony Chazapis | path, node = self._lookup_account(account, True) |
250 | b2832c6a | Antony Chazapis | self._check_policy(policy)
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251 | b2832c6a | Antony Chazapis | self._put_policy(node, policy, replace)
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252 | b2832c6a | Antony Chazapis | |
253 | b2832c6a | Antony Chazapis | @backend_method
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254 | 8693b873 | Sofia Papagiannaki | def put_account(self, user, account, policy={}): |
255 | a9b3f29d | Antony Chazapis | """Create a new account with the given name."""
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256 | a9b3f29d | Antony Chazapis | |
257 | b2832c6a | Antony Chazapis | logger.debug("put_account: %s %s", account, policy)
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258 | a9b3f29d | Antony Chazapis | if user != account:
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259 | a9b3f29d | Antony Chazapis | raise NotAllowedError
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260 | 44ad5860 | Antony Chazapis | node = self.node.node_lookup(account)
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261 | 44ad5860 | Antony Chazapis | if node is not None: |
262 | a9b3f29d | Antony Chazapis | raise NameError('Account already exists') |
263 | b2832c6a | Antony Chazapis | if policy:
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264 | b2832c6a | Antony Chazapis | self._check_policy(policy)
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265 | b2832c6a | Antony Chazapis | node = self._put_path(user, self.ROOTNODE, account) |
266 | b2832c6a | Antony Chazapis | self._put_policy(node, policy, True) |
267 | a9b3f29d | Antony Chazapis | |
268 | a9b3f29d | Antony Chazapis | @backend_method
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269 | a9b3f29d | Antony Chazapis | def delete_account(self, user, account): |
270 | a9b3f29d | Antony Chazapis | """Delete the account with the given name."""
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271 | a9b3f29d | Antony Chazapis | |
272 | a9b3f29d | Antony Chazapis | logger.debug("delete_account: %s", account)
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273 | a9b3f29d | Antony Chazapis | if user != account:
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274 | a9b3f29d | Antony Chazapis | raise NotAllowedError
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275 | c915d3bf | Antony Chazapis | node = self.node.node_lookup(account)
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276 | c915d3bf | Antony Chazapis | if node is None: |
277 | c915d3bf | Antony Chazapis | return
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278 | c915d3bf | Antony Chazapis | if not self.node.node_remove(node): |
279 | a9b3f29d | Antony Chazapis | raise IndexError('Account is not empty') |
280 | 0f9d752c | Antony Chazapis | self.permissions.group_destroy(account)
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281 | a9b3f29d | Antony Chazapis | |
282 | 62f915a1 | Antony Chazapis | @backend_method
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283 | 62f915a1 | Antony Chazapis | def list_containers(self, user, account, marker=None, limit=10000, shared=False, until=None): |
284 | 62f915a1 | Antony Chazapis | """Return a list of containers existing under an account."""
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285 | 62f915a1 | Antony Chazapis | |
286 | 62f915a1 | Antony Chazapis | logger.debug("list_containers: %s %s %s %s %s", account, marker, limit, shared, until)
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287 | 62f915a1 | Antony Chazapis | if user != account:
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288 | 62f915a1 | Antony Chazapis | if until or account not in self._allowed_accounts(user): |
289 | 62f915a1 | Antony Chazapis | raise NotAllowedError
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290 | 62f915a1 | Antony Chazapis | allowed = self._allowed_containers(user, account)
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291 | 62f915a1 | Antony Chazapis | start, limit = self._list_limits(allowed, marker, limit)
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292 | 62f915a1 | Antony Chazapis | return allowed[start:start + limit]
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293 | 62f915a1 | Antony Chazapis | if shared:
|
294 | 62f915a1 | Antony Chazapis | allowed = [x.split('/', 2)[1] for x in self.permissions.access_list_shared(account)] |
295 | 1ad56ff3 | Sofia Papagiannaki | allowed = list(set(allowed)) |
296 | 62f915a1 | Antony Chazapis | start, limit = self._list_limits(allowed, marker, limit)
|
297 | 62f915a1 | Antony Chazapis | return allowed[start:start + limit]
|
298 | 62f915a1 | Antony Chazapis | node = self.node.node_lookup(account)
|
299 | 371d907a | Antony Chazapis | return [x[0] for x in self._list_object_properties(node, account, '', '/', marker, limit, False, None, [], until)] |
300 | 371d907a | Antony Chazapis | |
301 | 371d907a | Antony Chazapis | @backend_method
|
302 | 371d907a | Antony Chazapis | def list_container_meta(self, user, account, container, domain, until=None): |
303 | 371d907a | Antony Chazapis | """Return a list with all the container's object meta keys for the domain."""
|
304 | 371d907a | Antony Chazapis | |
305 | 371d907a | Antony Chazapis | logger.debug("list_container_meta: %s %s %s %s", account, container, domain, until)
|
306 | 371d907a | Antony Chazapis | allowed = [] |
307 | 371d907a | Antony Chazapis | if user != account:
|
308 | 371d907a | Antony Chazapis | if until:
|
309 | 371d907a | Antony Chazapis | raise NotAllowedError
|
310 | 371d907a | Antony Chazapis | allowed = self.permissions.access_list_paths(user, '/'.join((account, container))) |
311 | 371d907a | Antony Chazapis | if not allowed: |
312 | 371d907a | Antony Chazapis | raise NotAllowedError
|
313 | 371d907a | Antony Chazapis | path, node = self._lookup_container(account, container)
|
314 | 371d907a | Antony Chazapis | before = until if until is not None else inf |
315 | 371d907a | Antony Chazapis | allowed = self._get_formatted_paths(allowed)
|
316 | 371d907a | Antony Chazapis | return self.node.latest_attribute_keys(node, domain, before, CLUSTER_DELETED, allowed) |
317 | a9b3f29d | Antony Chazapis | |
318 | a9b3f29d | Antony Chazapis | @backend_method
|
319 | 82482e2c | Antony Chazapis | def get_container_meta(self, user, account, container, domain, until=None, include_user_defined=True): |
320 | cb69c154 | Antony Chazapis | """Return a dictionary with the container metadata for the domain."""
|
321 | a9b3f29d | Antony Chazapis | |
322 | cb69c154 | Antony Chazapis | logger.debug("get_container_meta: %s %s %s %s", account, container, domain, until)
|
323 | a9b3f29d | Antony Chazapis | if user != account:
|
324 | a9b3f29d | Antony Chazapis | if until or container not in self._allowed_containers(user, account): |
325 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
326 | c915d3bf | Antony Chazapis | path, node = self._lookup_container(account, container)
|
327 | c915d3bf | Antony Chazapis | props = self._get_properties(node, until)
|
328 | 2c5363a0 | Antony Chazapis | mtime = props[self.MTIME]
|
329 | 62f915a1 | Antony Chazapis | count, bytes, tstamp = self._get_statistics(node, until) |
330 | 62f915a1 | Antony Chazapis | tstamp = max(tstamp, mtime)
|
331 | a9b3f29d | Antony Chazapis | if until is None: |
332 | a9b3f29d | Antony Chazapis | modified = tstamp |
333 | a9b3f29d | Antony Chazapis | else:
|
334 | 62f915a1 | Antony Chazapis | modified = self._get_statistics(node)[2] # Overall last modification. |
335 | 62f915a1 | Antony Chazapis | modified = max(modified, mtime)
|
336 | a9b3f29d | Antony Chazapis | |
337 | a9b3f29d | Antony Chazapis | if user != account:
|
338 | c915d3bf | Antony Chazapis | meta = {'name': container}
|
339 | a9b3f29d | Antony Chazapis | else:
|
340 | 82482e2c | Antony Chazapis | meta = {} |
341 | 82482e2c | Antony Chazapis | if include_user_defined:
|
342 | 82482e2c | Antony Chazapis | meta.update(dict(self.node.attribute_get(props[self.SERIAL], domain))) |
343 | a9b3f29d | Antony Chazapis | if until is not None: |
344 | a9b3f29d | Antony Chazapis | meta.update({'until_timestamp': tstamp})
|
345 | c915d3bf | Antony Chazapis | meta.update({'name': container, 'count': count, 'bytes': bytes}) |
346 | c915d3bf | Antony Chazapis | meta.update({'modified': modified})
|
347 | a9b3f29d | Antony Chazapis | return meta
|
348 | a9b3f29d | Antony Chazapis | |
349 | a9b3f29d | Antony Chazapis | @backend_method
|
350 | cb69c154 | Antony Chazapis | def update_container_meta(self, user, account, container, domain, meta, replace=False): |
351 | cb69c154 | Antony Chazapis | """Update the metadata associated with the container for the domain."""
|
352 | a9b3f29d | Antony Chazapis | |
353 | cb69c154 | Antony Chazapis | logger.debug("update_container_meta: %s %s %s %s %s", account, container, domain, meta, replace)
|
354 | a9b3f29d | Antony Chazapis | if user != account:
|
355 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
356 | c915d3bf | Antony Chazapis | path, node = self._lookup_container(account, container)
|
357 | 4819d34f | Antony Chazapis | self._put_metadata(user, node, domain, meta, replace)
|
358 | a9b3f29d | Antony Chazapis | |
359 | a9b3f29d | Antony Chazapis | @backend_method
|
360 | a9b3f29d | Antony Chazapis | def get_container_policy(self, user, account, container): |
361 | a9b3f29d | Antony Chazapis | """Return a dictionary with the container policy."""
|
362 | a9b3f29d | Antony Chazapis | |
363 | a9b3f29d | Antony Chazapis | logger.debug("get_container_policy: %s %s", account, container)
|
364 | a9b3f29d | Antony Chazapis | if user != account:
|
365 | a9b3f29d | Antony Chazapis | if container not in self._allowed_containers(user, account): |
366 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
367 | a9b3f29d | Antony Chazapis | return {}
|
368 | 5e7485da | Antony Chazapis | path, node = self._lookup_container(account, container)
|
369 | b9064632 | Antony Chazapis | return self._get_policy(node) |
370 | a9b3f29d | Antony Chazapis | |
371 | a9b3f29d | Antony Chazapis | @backend_method
|
372 | a9b3f29d | Antony Chazapis | def update_container_policy(self, user, account, container, policy, replace=False): |
373 | b2832c6a | Antony Chazapis | """Update the policy associated with the container."""
|
374 | a9b3f29d | Antony Chazapis | |
375 | a9b3f29d | Antony Chazapis | logger.debug("update_container_policy: %s %s %s %s", account, container, policy, replace)
|
376 | a9b3f29d | Antony Chazapis | if user != account:
|
377 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
378 | 5e7485da | Antony Chazapis | path, node = self._lookup_container(account, container)
|
379 | a9b3f29d | Antony Chazapis | self._check_policy(policy)
|
380 | b2832c6a | Antony Chazapis | self._put_policy(node, policy, replace)
|
381 | a9b3f29d | Antony Chazapis | |
382 | a9b3f29d | Antony Chazapis | @backend_method
|
383 | 8693b873 | Sofia Papagiannaki | def put_container(self, user, account, container, policy={}): |
384 | a9b3f29d | Antony Chazapis | """Create a new container with the given name."""
|
385 | a9b3f29d | Antony Chazapis | |
386 | a9b3f29d | Antony Chazapis | logger.debug("put_container: %s %s %s", account, container, policy)
|
387 | a9b3f29d | Antony Chazapis | if user != account:
|
388 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
389 | a9b3f29d | Antony Chazapis | try:
|
390 | c915d3bf | Antony Chazapis | path, node = self._lookup_container(account, container)
|
391 | a9b3f29d | Antony Chazapis | except NameError: |
392 | a9b3f29d | Antony Chazapis | pass
|
393 | a9b3f29d | Antony Chazapis | else:
|
394 | a9b3f29d | Antony Chazapis | raise NameError('Container already exists') |
395 | a9b3f29d | Antony Chazapis | if policy:
|
396 | a9b3f29d | Antony Chazapis | self._check_policy(policy)
|
397 | a9b3f29d | Antony Chazapis | path = '/'.join((account, container))
|
398 | 5e7485da | Antony Chazapis | node = self._put_path(user, self._lookup_account(account, True)[1], path) |
399 | b2832c6a | Antony Chazapis | self._put_policy(node, policy, True) |
400 | a9b3f29d | Antony Chazapis | |
401 | a9b3f29d | Antony Chazapis | @backend_method
|
402 | a9b3f29d | Antony Chazapis | def delete_container(self, user, account, container, until=None): |
403 | a9b3f29d | Antony Chazapis | """Delete/purge the container with the given name."""
|
404 | a9b3f29d | Antony Chazapis | |
405 | a9b3f29d | Antony Chazapis | logger.debug("delete_container: %s %s %s", account, container, until)
|
406 | a9b3f29d | Antony Chazapis | if user != account:
|
407 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
408 | c915d3bf | Antony Chazapis | path, node = self._lookup_container(account, container)
|
409 | a9b3f29d | Antony Chazapis | |
410 | a9b3f29d | Antony Chazapis | if until is not None: |
411 | 813e42e5 | Antony Chazapis | hashes, size = self.node.node_purge_children(node, until, CLUSTER_HISTORY)
|
412 | 04230536 | Antony Chazapis | for h in hashes: |
413 | 04230536 | Antony Chazapis | self.store.map_delete(h)
|
414 | c915d3bf | Antony Chazapis | self.node.node_purge_children(node, until, CLUSTER_DELETED)
|
415 | 813e42e5 | Antony Chazapis | self._report_size_change(user, account, -size, {'action': 'container purge'}) |
416 | a9b3f29d | Antony Chazapis | return
|
417 | a9b3f29d | Antony Chazapis | |
418 | 62f915a1 | Antony Chazapis | if self._get_statistics(node)[0] > 0: |
419 | a9b3f29d | Antony Chazapis | raise IndexError('Container is not empty') |
420 | 813e42e5 | Antony Chazapis | hashes, size = self.node.node_purge_children(node, inf, CLUSTER_HISTORY)
|
421 | 04230536 | Antony Chazapis | for h in hashes: |
422 | 04230536 | Antony Chazapis | self.store.map_delete(h)
|
423 | 62f915a1 | Antony Chazapis | self.node.node_purge_children(node, inf, CLUSTER_DELETED)
|
424 | c915d3bf | Antony Chazapis | self.node.node_remove(node)
|
425 | 813e42e5 | Antony Chazapis | self._report_size_change(user, account, -size, {'action': 'container delete'}) |
426 | a9b3f29d | Antony Chazapis | |
427 | 371d907a | Antony Chazapis | def _list_objects(self, user, account, container, prefix, delimiter, marker, limit, virtual, domain, keys, shared, until, size_range, all_props): |
428 | 15a96c3e | Antony Chazapis | if user != account and until: |
429 | 15a96c3e | Antony Chazapis | raise NotAllowedError
|
430 | 15a96c3e | Antony Chazapis | allowed = self._list_object_permissions(user, account, container, prefix, shared)
|
431 | fcd37c40 | Antony Chazapis | if shared and not allowed: |
432 | fcd37c40 | Antony Chazapis | return []
|
433 | 15a96c3e | Antony Chazapis | path, node = self._lookup_container(account, container)
|
434 | 15a96c3e | Antony Chazapis | allowed = self._get_formatted_paths(allowed)
|
435 | 15a96c3e | Antony Chazapis | return self._list_object_properties(node, path, prefix, delimiter, marker, limit, virtual, domain, keys, until, size_range, allowed, all_props) |
436 | 15a96c3e | Antony Chazapis | |
437 | 15a96c3e | Antony Chazapis | def _list_object_permissions(self, user, account, container, prefix, shared): |
438 | 62f915a1 | Antony Chazapis | allowed = [] |
439 | fcd37c40 | Antony Chazapis | path = '/'.join((account, container, prefix)).rstrip('/') |
440 | 62f915a1 | Antony Chazapis | if user != account:
|
441 | fcd37c40 | Antony Chazapis | allowed = self.permissions.access_list_paths(user, path)
|
442 | 62f915a1 | Antony Chazapis | if not allowed: |
443 | 62f915a1 | Antony Chazapis | raise NotAllowedError
|
444 | 62f915a1 | Antony Chazapis | else:
|
445 | 62f915a1 | Antony Chazapis | if shared:
|
446 | fcd37c40 | Antony Chazapis | allowed = self.permissions.access_list_shared(path)
|
447 | 038e0159 | Antony Chazapis | if not allowed: |
448 | 038e0159 | Antony Chazapis | return []
|
449 | 15a96c3e | Antony Chazapis | return allowed
|
450 | 62f915a1 | Antony Chazapis | |
451 | 62f915a1 | Antony Chazapis | @backend_method
|
452 | 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): |
453 | 371d907a | Antony Chazapis | """Return a list of object (name, version_id) tuples existing under a container."""
|
454 | 62f915a1 | Antony Chazapis | |
455 | 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)
|
456 | 371d907a | Antony Chazapis | return self._list_objects(user, account, container, prefix, delimiter, marker, limit, virtual, domain, keys, shared, until, size_range, False) |
457 | 371d907a | Antony Chazapis | |
458 | 371d907a | Antony Chazapis | @backend_method
|
459 | 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): |
460 | 371d907a | Antony Chazapis | """Return a list of object metadata dicts existing under a container."""
|
461 | 371d907a | Antony Chazapis | |
462 | 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)
|
463 | 371d907a | Antony Chazapis | props = self._list_objects(user, account, container, prefix, delimiter, marker, limit, virtual, domain, keys, shared, until, size_range, True) |
464 | 371d907a | Antony Chazapis | objects = [] |
465 | 371d907a | Antony Chazapis | for p in props: |
466 | 371d907a | Antony Chazapis | if len(p) == 2: |
467 | 371d907a | Antony Chazapis | objects.append({'subdir': p[0]}) |
468 | 371d907a | Antony Chazapis | else:
|
469 | 371d907a | Antony Chazapis | objects.append({'name': p[0], |
470 | 371d907a | Antony Chazapis | 'bytes': p[self.SIZE + 1], |
471 | 371d907a | Antony Chazapis | 'type': p[self.TYPE + 1], |
472 | 371d907a | Antony Chazapis | 'hash': p[self.HASH + 1], |
473 | 371d907a | Antony Chazapis | 'version': p[self.SERIAL + 1], |
474 | 371d907a | Antony Chazapis | 'version_timestamp': p[self.MTIME + 1], |
475 | 371d907a | Antony Chazapis | 'modified': p[self.MTIME + 1] if until is None else None, |
476 | 371d907a | Antony Chazapis | 'modified_by': p[self.MUSER + 1], |
477 | 371d907a | Antony Chazapis | 'uuid': p[self.UUID + 1], |
478 | 371d907a | Antony Chazapis | 'checksum': p[self.CHECKSUM + 1]}) |
479 | 371d907a | Antony Chazapis | return objects
|
480 | a9b3f29d | Antony Chazapis | |
481 | a9b3f29d | Antony Chazapis | @backend_method
|
482 | 15a96c3e | Antony Chazapis | def list_object_permissions(self, user, account, container, prefix=''): |
483 | 15a96c3e | Antony Chazapis | """Return a list of paths that enforce permissions under a container."""
|
484 | 15a96c3e | Antony Chazapis | |
485 | 15a96c3e | Antony Chazapis | logger.debug("list_object_permissions: %s %s %s", account, container, prefix)
|
486 | 15a96c3e | Antony Chazapis | return self._list_object_permissions(user, account, container, prefix, True) |
487 | 15a96c3e | Antony Chazapis | |
488 | 15a96c3e | Antony Chazapis | @backend_method
|
489 | 15a96c3e | Antony Chazapis | def list_object_public(self, user, account, container, prefix=''): |
490 | 15a96c3e | Antony Chazapis | """Return a dict mapping paths to public ids for objects that are public under a container."""
|
491 | 15a96c3e | Antony Chazapis | |
492 | 15a96c3e | Antony Chazapis | logger.debug("list_object_public: %s %s %s", account, container, prefix)
|
493 | 15a96c3e | Antony Chazapis | public = {} |
494 | 15a96c3e | Antony Chazapis | for path, p in self.permissions.public_list('/'.join((account, container, prefix))): |
495 | 15a96c3e | Antony Chazapis | public[path] = p + ULTIMATE_ANSWER |
496 | 15a96c3e | Antony Chazapis | return public
|
497 | 15a96c3e | Antony Chazapis | |
498 | 15a96c3e | Antony Chazapis | @backend_method
|
499 | 82482e2c | Antony Chazapis | def get_object_meta(self, user, account, container, name, domain, version=None, include_user_defined=True): |
500 | cb69c154 | Antony Chazapis | """Return a dictionary with the object metadata for the domain."""
|
501 | a9b3f29d | Antony Chazapis | |
502 | cb69c154 | Antony Chazapis | logger.debug("get_object_meta: %s %s %s %s %s", account, container, name, domain, version)
|
503 | a9b3f29d | Antony Chazapis | self._can_read(user, account, container, name)
|
504 | c915d3bf | Antony Chazapis | path, node = self._lookup_object(account, container, name)
|
505 | c915d3bf | Antony Chazapis | props = self._get_version(node, version)
|
506 | a9b3f29d | Antony Chazapis | if version is None: |
507 | 2c5363a0 | Antony Chazapis | modified = props[self.MTIME]
|
508 | a9b3f29d | Antony Chazapis | else:
|
509 | 97d45f69 | Antony Chazapis | try:
|
510 | 97d45f69 | Antony Chazapis | modified = self._get_version(node)[self.MTIME] # Overall last modification. |
511 | 97d45f69 | Antony Chazapis | except NameError: # Object may be deleted. |
512 | 97d45f69 | Antony Chazapis | del_props = self.node.version_lookup(node, inf, CLUSTER_DELETED)
|
513 | 97d45f69 | Antony Chazapis | if del_props is None: |
514 | 97d45f69 | Antony Chazapis | raise NameError('Object does not exist') |
515 | 97d45f69 | Antony Chazapis | modified = del_props[self.MTIME]
|
516 | a9b3f29d | Antony Chazapis | |
517 | 82482e2c | Antony Chazapis | meta = {} |
518 | 82482e2c | Antony Chazapis | if include_user_defined:
|
519 | 82482e2c | Antony Chazapis | meta.update(dict(self.node.attribute_get(props[self.SERIAL], domain))) |
520 | 33b4e4a6 | Antony Chazapis | meta.update({'name': name,
|
521 | 33b4e4a6 | Antony Chazapis | 'bytes': props[self.SIZE], |
522 | 33b4e4a6 | Antony Chazapis | 'type': props[self.TYPE], |
523 | 371d907a | Antony Chazapis | 'hash': props[self.HASH], |
524 | 33b4e4a6 | Antony Chazapis | 'version': props[self.SERIAL], |
525 | 33b4e4a6 | Antony Chazapis | 'version_timestamp': props[self.MTIME], |
526 | 33b4e4a6 | Antony Chazapis | 'modified': modified,
|
527 | 33b4e4a6 | Antony Chazapis | 'modified_by': props[self.MUSER], |
528 | 33b4e4a6 | Antony Chazapis | 'uuid': props[self.UUID], |
529 | 33b4e4a6 | Antony Chazapis | 'checksum': props[self.CHECKSUM]}) |
530 | a9b3f29d | Antony Chazapis | return meta
|
531 | a9b3f29d | Antony Chazapis | |
532 | a9b3f29d | Antony Chazapis | @backend_method
|
533 | cb69c154 | Antony Chazapis | def update_object_meta(self, user, account, container, name, domain, meta, replace=False): |
534 | cb69c154 | Antony Chazapis | """Update the metadata associated with the object for the domain and return the new version."""
|
535 | a9b3f29d | Antony Chazapis | |
536 | cb69c154 | Antony Chazapis | logger.debug("update_object_meta: %s %s %s %s %s %s", account, container, name, domain, meta, replace)
|
537 | a9b3f29d | Antony Chazapis | self._can_write(user, account, container, name)
|
538 | c915d3bf | Antony Chazapis | path, node = self._lookup_object(account, container, name)
|
539 | 4819d34f | Antony Chazapis | src_version_id, dest_version_id = self._put_metadata(user, node, domain, meta, replace)
|
540 | 5cc484e1 | Antony Chazapis | self._apply_versioning(account, container, src_version_id)
|
541 | 5cc484e1 | Antony Chazapis | return dest_version_id
|
542 | a9b3f29d | Antony Chazapis | |
543 | a9b3f29d | Antony Chazapis | @backend_method
|
544 | a9b3f29d | Antony Chazapis | def get_object_permissions(self, user, account, container, name): |
545 | 067cf1fc | Antony Chazapis | """Return the action allowed on the object, the path
|
546 | 067cf1fc | Antony Chazapis | from which the object gets its permissions from,
|
547 | a9b3f29d | Antony Chazapis | along with a dictionary containing the permissions."""
|
548 | a9b3f29d | Antony Chazapis | |
549 | a9b3f29d | Antony Chazapis | logger.debug("get_object_permissions: %s %s %s", account, container, name)
|
550 | 067cf1fc | Antony Chazapis | allowed = 'write'
|
551 | 92da0e5a | Antony Chazapis | permissions_path = self._get_permissions_path(account, container, name)
|
552 | 067cf1fc | Antony Chazapis | if user != account:
|
553 | 92da0e5a | Antony Chazapis | if self.permissions.access_check(permissions_path, self.WRITE, user): |
554 | 067cf1fc | Antony Chazapis | allowed = 'write'
|
555 | 92da0e5a | Antony Chazapis | elif self.permissions.access_check(permissions_path, self.READ, user): |
556 | 067cf1fc | Antony Chazapis | allowed = 'read'
|
557 | 067cf1fc | Antony Chazapis | else:
|
558 | 067cf1fc | Antony Chazapis | raise NotAllowedError
|
559 | 92da0e5a | Antony Chazapis | self._lookup_object(account, container, name)
|
560 | 92da0e5a | Antony Chazapis | return (allowed, permissions_path, self.permissions.access_get(permissions_path)) |
561 | a9b3f29d | Antony Chazapis | |
562 | a9b3f29d | Antony Chazapis | @backend_method
|
563 | a9b3f29d | Antony Chazapis | def update_object_permissions(self, user, account, container, name, permissions): |
564 | a9b3f29d | Antony Chazapis | """Update the permissions associated with the object."""
|
565 | a9b3f29d | Antony Chazapis | |
566 | a9b3f29d | Antony Chazapis | logger.debug("update_object_permissions: %s %s %s %s", account, container, name, permissions)
|
567 | a9b3f29d | Antony Chazapis | if user != account:
|
568 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
569 | c915d3bf | Antony Chazapis | path = self._lookup_object(account, container, name)[0] |
570 | 6f4bce7b | Antony Chazapis | self._check_permissions(path, permissions)
|
571 | 0f9d752c | Antony Chazapis | self.permissions.access_set(path, permissions)
|
572 | a9b3f29d | Antony Chazapis | |
573 | a9b3f29d | Antony Chazapis | @backend_method
|
574 | a9b3f29d | Antony Chazapis | def get_object_public(self, user, account, container, name): |
575 | bb4eafc6 | Antony Chazapis | """Return the public id of the object if applicable."""
|
576 | a9b3f29d | Antony Chazapis | |
577 | a9b3f29d | Antony Chazapis | logger.debug("get_object_public: %s %s %s", account, container, name)
|
578 | a9b3f29d | Antony Chazapis | self._can_read(user, account, container, name)
|
579 | c915d3bf | Antony Chazapis | path = self._lookup_object(account, container, name)[0] |
580 | bb4eafc6 | Antony Chazapis | p = self.permissions.public_get(path)
|
581 | bb4eafc6 | Antony Chazapis | if p is not None: |
582 | bb4eafc6 | Antony Chazapis | p += ULTIMATE_ANSWER |
583 | bb4eafc6 | Antony Chazapis | return p
|
584 | a9b3f29d | Antony Chazapis | |
585 | a9b3f29d | Antony Chazapis | @backend_method
|
586 | a9b3f29d | Antony Chazapis | def update_object_public(self, user, account, container, name, public): |
587 | a9b3f29d | Antony Chazapis | """Update the public status of the object."""
|
588 | a9b3f29d | Antony Chazapis | |
589 | a9b3f29d | Antony Chazapis | logger.debug("update_object_public: %s %s %s %s", account, container, name, public)
|
590 | a9b3f29d | Antony Chazapis | self._can_write(user, account, container, name)
|
591 | c915d3bf | Antony Chazapis | path = self._lookup_object(account, container, name)[0] |
592 | 0f9d752c | Antony Chazapis | if not public: |
593 | 0f9d752c | Antony Chazapis | self.permissions.public_unset(path)
|
594 | 0f9d752c | Antony Chazapis | else:
|
595 | 0f9d752c | Antony Chazapis | self.permissions.public_set(path)
|
596 | a9b3f29d | Antony Chazapis | |
597 | a9b3f29d | Antony Chazapis | @backend_method
|
598 | a9b3f29d | Antony Chazapis | def get_object_hashmap(self, user, account, container, name, version=None): |
599 | a9b3f29d | Antony Chazapis | """Return the object's size and a list with partial hashes."""
|
600 | a9b3f29d | Antony Chazapis | |
601 | a9b3f29d | Antony Chazapis | logger.debug("get_object_hashmap: %s %s %s %s", account, container, name, version)
|
602 | a9b3f29d | Antony Chazapis | self._can_read(user, account, container, name)
|
603 | c915d3bf | Antony Chazapis | path, node = self._lookup_object(account, container, name)
|
604 | c915d3bf | Antony Chazapis | props = self._get_version(node, version)
|
605 | 7ca7bb08 | Antony Chazapis | hashmap = self.store.map_get(binascii.unhexlify(props[self.HASH])) |
606 | 2c5363a0 | Antony Chazapis | return props[self.SIZE], [binascii.hexlify(x) for x in hashmap] |
607 | a9b3f29d | Antony Chazapis | |
608 | 33b4e4a6 | Antony Chazapis | def _update_object_hash(self, user, account, container, name, size, type, hash, checksum, permissions, src_node=None, is_copy=False): |
609 | b9064632 | Antony Chazapis | if permissions is not None and user != account: |
610 | b9064632 | Antony Chazapis | raise NotAllowedError
|
611 | b9064632 | Antony Chazapis | self._can_write(user, account, container, name)
|
612 | b9064632 | Antony Chazapis | if permissions is not None: |
613 | b9064632 | Antony Chazapis | path = '/'.join((account, container, name))
|
614 | b9064632 | Antony Chazapis | self._check_permissions(path, permissions)
|
615 | b9064632 | Antony Chazapis | |
616 | b9064632 | Antony Chazapis | account_path, account_node = self._lookup_account(account, True) |
617 | b9064632 | Antony Chazapis | container_path, container_node = self._lookup_container(account, container)
|
618 | b9064632 | Antony Chazapis | path, node = self._put_object_node(container_path, container_node, name)
|
619 | 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) |
620 | b9064632 | Antony Chazapis | |
621 | b9064632 | Antony Chazapis | # Check quota.
|
622 | 813e42e5 | Antony Chazapis | del_size = self._apply_versioning(account, container, pre_version_id)
|
623 | 813e42e5 | Antony Chazapis | size_delta = size - del_size |
624 | b9064632 | Antony Chazapis | if size_delta > 0: |
625 | 8693b873 | Sofia Papagiannaki | account_quota = long(self._get_policy(account_node)['quota']) |
626 | 8693b873 | Sofia Papagiannaki | container_quota = long(self._get_policy(container_node)['quota']) |
627 | 0df22aea | Sofia Papagiannaki | if (account_quota > 0 and self._get_statistics(account_node)[1] + size_delta > account_quota) or \ |
628 | 0df22aea | Sofia Papagiannaki | (container_quota > 0 and self._get_statistics(container_node)[1] + size_delta > container_quota): |
629 | b9064632 | Antony Chazapis | # This must be executed in a transaction, so the version is never created if it fails.
|
630 | 5df6c6d1 | Antony Chazapis | raise QuotaError
|
631 | 813e42e5 | Antony Chazapis | self._report_size_change(user, account, size_delta, {'action': 'object update'}) |
632 | b9064632 | Antony Chazapis | |
633 | b9064632 | Antony Chazapis | if permissions is not None: |
634 | b9064632 | Antony Chazapis | self.permissions.access_set(path, permissions)
|
635 | 1730b3bf | chazapis | return pre_version_id, dest_version_id
|
636 | b9064632 | Antony Chazapis | |
637 | a9b3f29d | Antony Chazapis | @backend_method
|
638 | 33b4e4a6 | Antony Chazapis | def update_object_hashmap(self, user, account, container, name, size, type, hashmap, checksum, domain, meta={}, replace_meta=False, permissions=None): |
639 | a9b3f29d | Antony Chazapis | """Create/update an object with the specified size and partial hashes."""
|
640 | a9b3f29d | Antony Chazapis | |
641 | 33b4e4a6 | Antony Chazapis | logger.debug("update_object_hashmap: %s %s %s %s %s %s %s", account, container, name, size, type, hashmap, checksum) |
642 | 6d64339e | Antony Chazapis | if size == 0: # No such thing as an empty hashmap. |
643 | 6d64339e | Antony Chazapis | hashmap = [self.put_block('')] |
644 | 1c2fc0ff | Antony Chazapis | map = HashMap(self.block_size, self.hash_algorithm) |
645 | 1c2fc0ff | Antony Chazapis | map.extend([binascii.unhexlify(x) for x in hashmap]) |
646 | 7ca7bb08 | Antony Chazapis | missing = self.store.block_search(map) |
647 | a9b3f29d | Antony Chazapis | if missing:
|
648 | a9b3f29d | Antony Chazapis | ie = IndexError()
|
649 | dd71f493 | Antony Chazapis | ie.data = [binascii.hexlify(x) for x in missing] |
650 | a9b3f29d | Antony Chazapis | raise ie
|
651 | b9064632 | Antony Chazapis | |
652 | 1c2fc0ff | Antony Chazapis | hash = map.hash()
|
653 | 33b4e4a6 | Antony Chazapis | pre_version_id, dest_version_id = self._update_object_hash(user, account, container, name, size, type, binascii.hexlify(hash), checksum, permissions) |
654 | 1730b3bf | chazapis | self._put_metadata_duplicate(pre_version_id, dest_version_id, domain, meta, replace_meta)
|
655 | 7ca7bb08 | Antony Chazapis | self.store.map_put(hash, map) |
656 | 02c4d2ba | Antony Chazapis | return dest_version_id
|
657 | a9b3f29d | Antony Chazapis | |
658 | 33b4e4a6 | Antony Chazapis | @backend_method
|
659 | 33b4e4a6 | Antony Chazapis | def update_object_checksum(self, user, account, container, name, version, checksum): |
660 | 33b4e4a6 | Antony Chazapis | """Update an object's checksum."""
|
661 | 33b4e4a6 | Antony Chazapis | |
662 | 33b4e4a6 | Antony Chazapis | logger.debug("update_object_checksum: %s %s %s %s %s", account, container, name, version, checksum)
|
663 | 33b4e4a6 | Antony Chazapis | # Update objects with greater version and same hashmap and size (fix metadata updates).
|
664 | 33b4e4a6 | Antony Chazapis | self._can_write(user, account, container, name)
|
665 | 33b4e4a6 | Antony Chazapis | path, node = self._lookup_object(account, container, name)
|
666 | 33b4e4a6 | Antony Chazapis | props = self._get_version(node, version)
|
667 | 33b4e4a6 | Antony Chazapis | versions = self.node.node_get_versions(node)
|
668 | 33b4e4a6 | Antony Chazapis | for x in versions: |
669 | 33b4e4a6 | Antony Chazapis | if x[self.SERIAL] >= int(version) and x[self.HASH] == props[self.HASH] and x[self.SIZE] == props[self.SIZE]: |
670 | 33b4e4a6 | Antony Chazapis | self.node.version_put_property(x[self.SERIAL], 'checksum', checksum) |
671 | 33b4e4a6 | Antony Chazapis | |
672 | 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): |
673 | 79bb41b7 | Antony Chazapis | self._can_read(user, src_account, src_container, src_name)
|
674 | b9064632 | Antony Chazapis | path, node = self._lookup_object(src_account, src_container, src_name)
|
675 | 1730b3bf | chazapis | # TODO: Will do another fetch of the properties in duplicate version...
|
676 | 1730b3bf | chazapis | props = self._get_version(node, src_version) # Check to see if source exists. |
677 | b9064632 | Antony Chazapis | src_version_id = props[self.SERIAL]
|
678 | b9064632 | Antony Chazapis | hash = props[self.HASH]
|
679 | b9064632 | Antony Chazapis | size = props[self.SIZE]
|
680 | b9064632 | Antony Chazapis | |
681 | 25ae8b75 | Antony Chazapis | is_copy = not is_move and (src_account, src_container, src_name) != (dest_account, dest_container, dest_name) # New uuid. |
682 | f7d5b0cf | Antony Chazapis | pre_version_id, dest_version_id = self._update_object_hash(user, dest_account, dest_container, dest_name, size, type, hash, None, permissions, src_node=node, is_copy=is_copy) |
683 | 4819d34f | Antony Chazapis | self._put_metadata_duplicate(src_version_id, dest_version_id, dest_domain, dest_meta, replace_meta)
|
684 | 02c4d2ba | Antony Chazapis | return dest_version_id
|
685 | a9b3f29d | Antony Chazapis | |
686 | a9b3f29d | Antony Chazapis | @backend_method
|
687 | 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): |
688 | dff7b6f1 | Sofia Papagiannaki | """Copy an object's data and metadata."""
|
689 | dff7b6f1 | Sofia Papagiannaki | |
690 | 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) |
691 | 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) |
692 | 46286f5f | Antony Chazapis | return dest_version_id
|
693 | dff7b6f1 | Sofia Papagiannaki | |
694 | dff7b6f1 | Sofia Papagiannaki | @backend_method
|
695 | 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): |
696 | a9b3f29d | Antony Chazapis | """Move an object's data and metadata."""
|
697 | a9b3f29d | Antony Chazapis | |
698 | 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) |
699 | 79bb41b7 | Antony Chazapis | if user != src_account:
|
700 | 79bb41b7 | Antony Chazapis | raise NotAllowedError
|
701 | 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) |
702 | 371403f5 | Antony Chazapis | if (src_account, src_container, src_name) != (dest_account, dest_container, dest_name):
|
703 | 371403f5 | Antony Chazapis | self._delete_object(user, src_account, src_container, src_name)
|
704 | 02c4d2ba | Antony Chazapis | return dest_version_id
|
705 | a9b3f29d | Antony Chazapis | |
706 | dff7b6f1 | Sofia Papagiannaki | def _delete_object(self, user, account, container, name, until=None): |
707 | a9b3f29d | Antony Chazapis | if user != account:
|
708 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
709 | a9b3f29d | Antony Chazapis | |
710 | a9b3f29d | Antony Chazapis | if until is not None: |
711 | a9b3f29d | Antony Chazapis | path = '/'.join((account, container, name))
|
712 | c915d3bf | Antony Chazapis | node = self.node.node_lookup(path)
|
713 | c915d3bf | Antony Chazapis | if node is None: |
714 | c915d3bf | Antony Chazapis | return
|
715 | 813e42e5 | Antony Chazapis | hashes = [] |
716 | 813e42e5 | Antony Chazapis | size = 0
|
717 | 813e42e5 | Antony Chazapis | h, s = self.node.node_purge(node, until, CLUSTER_NORMAL)
|
718 | 813e42e5 | Antony Chazapis | hashes += h |
719 | 813e42e5 | Antony Chazapis | size += s |
720 | 813e42e5 | Antony Chazapis | h, s = self.node.node_purge(node, until, CLUSTER_HISTORY)
|
721 | 813e42e5 | Antony Chazapis | hashes += h |
722 | 813e42e5 | Antony Chazapis | size += s |
723 | 04230536 | Antony Chazapis | for h in hashes: |
724 | 04230536 | Antony Chazapis | self.store.map_delete(h)
|
725 | 4a1c29ea | Antony Chazapis | self.node.node_purge(node, until, CLUSTER_DELETED)
|
726 | a9b3f29d | Antony Chazapis | try:
|
727 | c915d3bf | Antony Chazapis | props = self._get_version(node)
|
728 | a9b3f29d | Antony Chazapis | except NameError: |
729 | 0f9d752c | Antony Chazapis | self.permissions.access_clear(path)
|
730 | 813e42e5 | Antony Chazapis | self._report_size_change(user, account, -size, {'action': 'object purge'}) |
731 | a9b3f29d | Antony Chazapis | return
|
732 | a9b3f29d | Antony Chazapis | |
733 | c915d3bf | Antony Chazapis | path, node = self._lookup_object(account, container, name)
|
734 | 33b4e4a6 | Antony Chazapis | src_version_id, dest_version_id = self._put_version_duplicate(user, node, size=0, type='', hash=None, checksum='', cluster=CLUSTER_DELETED) |
735 | 813e42e5 | Antony Chazapis | del_size = self._apply_versioning(account, container, src_version_id)
|
736 | 813e42e5 | Antony Chazapis | if del_size:
|
737 | 813e42e5 | Antony Chazapis | self._report_size_change(user, account, -del_size, {'action': 'object delete'}) |
738 | 0f9d752c | Antony Chazapis | self.permissions.access_clear(path)
|
739 | a9b3f29d | Antony Chazapis | |
740 | 62f915a1 | Antony Chazapis | @backend_method
|
741 | dff7b6f1 | Sofia Papagiannaki | def delete_object(self, user, account, container, name, until=None): |
742 | dff7b6f1 | Sofia Papagiannaki | """Delete/purge an object."""
|
743 | dff7b6f1 | Sofia Papagiannaki | |
744 | dff7b6f1 | Sofia Papagiannaki | logger.debug("delete_object: %s %s %s %s", account, container, name, until)
|
745 | dff7b6f1 | Sofia Papagiannaki | self._delete_object(user, account, container, name, until)
|
746 | dff7b6f1 | Sofia Papagiannaki | |
747 | dff7b6f1 | Sofia Papagiannaki | @backend_method
|
748 | 62f915a1 | Antony Chazapis | def list_versions(self, user, account, container, name): |
749 | 62f915a1 | Antony Chazapis | """Return a list of all (version, version_timestamp) tuples for an object."""
|
750 | 62f915a1 | Antony Chazapis | |
751 | 62f915a1 | Antony Chazapis | logger.debug("list_versions: %s %s %s", account, container, name)
|
752 | 62f915a1 | Antony Chazapis | self._can_read(user, account, container, name)
|
753 | 60b8a083 | Antony Chazapis | path, node = self._lookup_object(account, container, name)
|
754 | 97d45f69 | Antony Chazapis | versions = self.node.node_get_versions(node)
|
755 | 97d45f69 | Antony Chazapis | return [[x[self.SERIAL], x[self.MTIME]] for x in versions if x[self.CLUSTER] != CLUSTER_DELETED] |
756 | a9b3f29d | Antony Chazapis | |
757 | bb4eafc6 | Antony Chazapis | @backend_method
|
758 | 37bee317 | Antony Chazapis | def get_uuid(self, user, uuid): |
759 | 37bee317 | Antony Chazapis | """Return the (account, container, name) for the UUID given."""
|
760 | af75e8a5 | Antony Chazapis | |
761 | 37bee317 | Antony Chazapis | logger.debug("get_uuid: %s", uuid)
|
762 | 37bee317 | Antony Chazapis | info = self.node.latest_uuid(uuid)
|
763 | 37bee317 | Antony Chazapis | if info is None: |
764 | 37bee317 | Antony Chazapis | raise NameError |
765 | 37bee317 | Antony Chazapis | path, serial = info |
766 | 37bee317 | Antony Chazapis | account, container, name = path.split('/', 2) |
767 | 37bee317 | Antony Chazapis | self._can_read(user, account, container, name)
|
768 | 37bee317 | Antony Chazapis | return (account, container, name)
|
769 | 37bee317 | Antony Chazapis | |
770 | 37bee317 | Antony Chazapis | @backend_method
|
771 | bb4eafc6 | Antony Chazapis | def get_public(self, user, public): |
772 | bb4eafc6 | Antony Chazapis | """Return the (account, container, name) for the public id given."""
|
773 | af75e8a5 | Antony Chazapis | |
774 | bb4eafc6 | Antony Chazapis | logger.debug("get_public: %s", public)
|
775 | bb4eafc6 | Antony Chazapis | if public is None or public < ULTIMATE_ANSWER: |
776 | bb4eafc6 | Antony Chazapis | raise NameError |
777 | bb4eafc6 | Antony Chazapis | path = self.permissions.public_path(public - ULTIMATE_ANSWER)
|
778 | 37bee317 | Antony Chazapis | if path is None: |
779 | 37bee317 | Antony Chazapis | raise NameError |
780 | bb4eafc6 | Antony Chazapis | account, container, name = path.split('/', 2) |
781 | bb4eafc6 | Antony Chazapis | self._can_read(user, account, container, name)
|
782 | bb4eafc6 | Antony Chazapis | return (account, container, name)
|
783 | bb4eafc6 | Antony Chazapis | |
784 | a9b3f29d | Antony Chazapis | @backend_method(autocommit=0) |
785 | a9b3f29d | Antony Chazapis | def get_block(self, hash): |
786 | a9b3f29d | Antony Chazapis | """Return a block's data."""
|
787 | a9b3f29d | Antony Chazapis | |
788 | a9b3f29d | Antony Chazapis | logger.debug("get_block: %s", hash) |
789 | 7ca7bb08 | Antony Chazapis | block = self.store.block_get(binascii.unhexlify(hash)) |
790 | 7ca7bb08 | Antony Chazapis | if not block: |
791 | a9b3f29d | Antony Chazapis | raise NameError('Block does not exist') |
792 | 7ca7bb08 | Antony Chazapis | return block
|
793 | a9b3f29d | Antony Chazapis | |
794 | a9b3f29d | Antony Chazapis | @backend_method(autocommit=0) |
795 | a9b3f29d | Antony Chazapis | def put_block(self, data): |
796 | 60b8a083 | Antony Chazapis | """Store a block and return the hash."""
|
797 | a9b3f29d | Antony Chazapis | |
798 | a9b3f29d | Antony Chazapis | logger.debug("put_block: %s", len(data)) |
799 | 7ca7bb08 | Antony Chazapis | return binascii.hexlify(self.store.block_put(data)) |
800 | a9b3f29d | Antony Chazapis | |
801 | a9b3f29d | Antony Chazapis | @backend_method(autocommit=0) |
802 | a9b3f29d | Antony Chazapis | def update_block(self, hash, data, offset=0): |
803 | a9b3f29d | Antony Chazapis | """Update a known block and return the hash."""
|
804 | a9b3f29d | Antony Chazapis | |
805 | a9b3f29d | Antony Chazapis | logger.debug("update_block: %s %s %s", hash, len(data), offset) |
806 | a9b3f29d | Antony Chazapis | if offset == 0 and len(data) == self.block_size: |
807 | a9b3f29d | Antony Chazapis | return self.put_block(data) |
808 | 7ca7bb08 | Antony Chazapis | h = self.store.block_update(binascii.unhexlify(hash), offset, data) |
809 | a9b3f29d | Antony Chazapis | return binascii.hexlify(h)
|
810 | a9b3f29d | Antony Chazapis | |
811 | 44ad5860 | Antony Chazapis | # Path functions.
|
812 | 44ad5860 | Antony Chazapis | |
813 | 37bee317 | Antony Chazapis | def _generate_uuid(self): |
814 | 37bee317 | Antony Chazapis | return str(uuidlib.uuid4()) |
815 | 25ae8b75 | Antony Chazapis | |
816 | b9064632 | Antony Chazapis | def _put_object_node(self, path, parent, name): |
817 | c915d3bf | Antony Chazapis | path = '/'.join((path, name))
|
818 | c915d3bf | Antony Chazapis | node = self.node.node_lookup(path)
|
819 | c915d3bf | Antony Chazapis | if node is None: |
820 | c915d3bf | Antony Chazapis | node = self.node.node_create(parent, path)
|
821 | c915d3bf | Antony Chazapis | return path, node
|
822 | c915d3bf | Antony Chazapis | |
823 | 62f915a1 | Antony Chazapis | def _put_path(self, user, parent, path): |
824 | 62f915a1 | Antony Chazapis | node = self.node.node_create(parent, path)
|
825 | 33b4e4a6 | Antony Chazapis | self.node.version_create(node, None, 0, '', None, user, self._generate_uuid(), '', CLUSTER_NORMAL) |
826 | 62f915a1 | Antony Chazapis | return node
|
827 | 62f915a1 | Antony Chazapis | |
828 | 44ad5860 | Antony Chazapis | def _lookup_account(self, account, create=True): |
829 | 44ad5860 | Antony Chazapis | node = self.node.node_lookup(account)
|
830 | 44ad5860 | Antony Chazapis | if node is None and create: |
831 | 2c5363a0 | Antony Chazapis | node = self._put_path(account, self.ROOTNODE, account) # User is account. |
832 | c915d3bf | Antony Chazapis | return account, node
|
833 | 44ad5860 | Antony Chazapis | |
834 | 44ad5860 | Antony Chazapis | def _lookup_container(self, account, container): |
835 | c915d3bf | Antony Chazapis | path = '/'.join((account, container))
|
836 | c915d3bf | Antony Chazapis | node = self.node.node_lookup(path)
|
837 | 44ad5860 | Antony Chazapis | if node is None: |
838 | 44ad5860 | Antony Chazapis | raise NameError('Container does not exist') |
839 | c915d3bf | Antony Chazapis | return path, node
|
840 | 44ad5860 | Antony Chazapis | |
841 | 44ad5860 | Antony Chazapis | def _lookup_object(self, account, container, name): |
842 | c915d3bf | Antony Chazapis | path = '/'.join((account, container, name))
|
843 | c915d3bf | Antony Chazapis | node = self.node.node_lookup(path)
|
844 | 44ad5860 | Antony Chazapis | if node is None: |
845 | 44ad5860 | Antony Chazapis | raise NameError('Object does not exist') |
846 | c915d3bf | Antony Chazapis | return path, node
|
847 | 44ad5860 | Antony Chazapis | |
848 | 44ad5860 | Antony Chazapis | def _get_properties(self, node, until=None): |
849 | 44ad5860 | Antony Chazapis | """Return properties until the timestamp given."""
|
850 | 44ad5860 | Antony Chazapis | |
851 | 44ad5860 | Antony Chazapis | before = until if until is not None else inf |
852 | 44ad5860 | Antony Chazapis | props = self.node.version_lookup(node, before, CLUSTER_NORMAL)
|
853 | 44ad5860 | Antony Chazapis | if props is None and until is not None: |
854 | 44ad5860 | Antony Chazapis | props = self.node.version_lookup(node, before, CLUSTER_HISTORY)
|
855 | 44ad5860 | Antony Chazapis | if props is None: |
856 | 44ad5860 | Antony Chazapis | raise NameError('Path does not exist') |
857 | 44ad5860 | Antony Chazapis | return props
|
858 | 44ad5860 | Antony Chazapis | |
859 | 62f915a1 | Antony Chazapis | def _get_statistics(self, node, until=None): |
860 | 62f915a1 | Antony Chazapis | """Return count, sum of size and latest timestamp of everything under node."""
|
861 | c915d3bf | Antony Chazapis | |
862 | 44ad5860 | Antony Chazapis | if until is None: |
863 | 62f915a1 | Antony Chazapis | stats = self.node.statistics_get(node, CLUSTER_NORMAL)
|
864 | 44ad5860 | Antony Chazapis | else:
|
865 | 62f915a1 | Antony Chazapis | stats = self.node.statistics_latest(node, until, CLUSTER_DELETED)
|
866 | 62f915a1 | Antony Chazapis | if stats is None: |
867 | 62f915a1 | Antony Chazapis | stats = (0, 0, 0) |
868 | 62f915a1 | Antony Chazapis | return stats
|
869 | 44ad5860 | Antony Chazapis | |
870 | 44ad5860 | Antony Chazapis | def _get_version(self, node, version=None): |
871 | 44ad5860 | Antony Chazapis | if version is None: |
872 | 44ad5860 | Antony Chazapis | props = self.node.version_lookup(node, inf, CLUSTER_NORMAL)
|
873 | 44ad5860 | Antony Chazapis | if props is None: |
874 | 44ad5860 | Antony Chazapis | raise NameError('Object does not exist') |
875 | 44ad5860 | Antony Chazapis | else:
|
876 | 07afd277 | Antony Chazapis | try:
|
877 | 07afd277 | Antony Chazapis | version = int(version)
|
878 | 07afd277 | Antony Chazapis | except ValueError: |
879 | 07afd277 | Antony Chazapis | raise IndexError('Version does not exist') |
880 | 44ad5860 | Antony Chazapis | props = self.node.version_get_properties(version)
|
881 | 2c5363a0 | Antony Chazapis | if props is None or props[self.CLUSTER] == CLUSTER_DELETED: |
882 | 44ad5860 | Antony Chazapis | raise IndexError('Version does not exist') |
883 | 44ad5860 | Antony Chazapis | return props
|
884 | 44ad5860 | Antony Chazapis | |
885 | 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): |
886 | b9064632 | Antony Chazapis | """Create a new version of the node."""
|
887 | c915d3bf | Antony Chazapis | |
888 | 1730b3bf | chazapis | props = self.node.version_lookup(node if src_node is None else src_node, inf, CLUSTER_NORMAL) |
889 | b9064632 | Antony Chazapis | if props is not None: |
890 | b9064632 | Antony Chazapis | src_version_id = props[self.SERIAL]
|
891 | b9064632 | Antony Chazapis | src_hash = props[self.HASH]
|
892 | b9064632 | Antony Chazapis | src_size = props[self.SIZE]
|
893 | 66ce2ca5 | Antony Chazapis | src_type = props[self.TYPE]
|
894 | 33b4e4a6 | Antony Chazapis | src_checksum = props[self.CHECKSUM]
|
895 | 44ad5860 | Antony Chazapis | else:
|
896 | b9064632 | Antony Chazapis | src_version_id = None
|
897 | b9064632 | Antony Chazapis | src_hash = None
|
898 | b9064632 | Antony Chazapis | src_size = 0
|
899 | 66ce2ca5 | Antony Chazapis | src_type = ''
|
900 | 33b4e4a6 | Antony Chazapis | src_checksum = ''
|
901 | 66ce2ca5 | Antony Chazapis | if size is None: # Set metadata. |
902 | 66ce2ca5 | Antony Chazapis | hash = src_hash # This way hash can be set to None (account or container).
|
903 | b9064632 | Antony Chazapis | size = src_size |
904 | 66ce2ca5 | Antony Chazapis | if type is None: |
905 | 66ce2ca5 | Antony Chazapis | type = src_type |
906 | 33b4e4a6 | Antony Chazapis | if checksum is None: |
907 | 33b4e4a6 | Antony Chazapis | checksum = src_checksum |
908 | 1730b3bf | chazapis | uuid = self._generate_uuid() if (is_copy or src_version_id is None) else props[self.UUID] |
909 | 1730b3bf | chazapis | |
910 | 1730b3bf | chazapis | if src_node is None: |
911 | 1730b3bf | chazapis | pre_version_id = src_version_id |
912 | 1730b3bf | chazapis | else:
|
913 | 1730b3bf | chazapis | pre_version_id = None
|
914 | 1730b3bf | chazapis | props = self.node.version_lookup(node, inf, CLUSTER_NORMAL)
|
915 | 1730b3bf | chazapis | if props is not None: |
916 | 1730b3bf | chazapis | pre_version_id = props[self.SERIAL]
|
917 | 1730b3bf | chazapis | if pre_version_id is not None: |
918 | 1730b3bf | chazapis | self.node.version_recluster(pre_version_id, CLUSTER_HISTORY)
|
919 | b9064632 | Antony Chazapis | |
920 | 33b4e4a6 | Antony Chazapis | dest_version_id, mtime = self.node.version_create(node, hash, size, type, src_version_id, user, uuid, checksum, cluster) |
921 | 1730b3bf | chazapis | return pre_version_id, dest_version_id
|
922 | 44ad5860 | Antony Chazapis | |
923 | 4819d34f | Antony Chazapis | def _put_metadata_duplicate(self, src_version_id, dest_version_id, domain, meta, replace=False): |
924 | 4819d34f | Antony Chazapis | if src_version_id is not None: |
925 | 4819d34f | Antony Chazapis | self.node.attribute_copy(src_version_id, dest_version_id)
|
926 | 4819d34f | Antony Chazapis | if not replace: |
927 | 4819d34f | Antony Chazapis | self.node.attribute_del(dest_version_id, domain, (k for k, v in meta.iteritems() if v == '')) |
928 | 4819d34f | Antony Chazapis | self.node.attribute_set(dest_version_id, domain, ((k, v) for k, v in meta.iteritems() if v != '')) |
929 | 4819d34f | Antony Chazapis | else:
|
930 | 4819d34f | Antony Chazapis | self.node.attribute_del(dest_version_id, domain)
|
931 | 4819d34f | Antony Chazapis | self.node.attribute_set(dest_version_id, domain, ((k, v) for k, v in meta.iteritems())) |
932 | 4819d34f | Antony Chazapis | |
933 | 4819d34f | Antony Chazapis | def _put_metadata(self, user, node, domain, meta, replace=False): |
934 | 44ad5860 | Antony Chazapis | """Create a new version and store metadata."""
|
935 | 44ad5860 | Antony Chazapis | |
936 | b9064632 | Antony Chazapis | src_version_id, dest_version_id = self._put_version_duplicate(user, node)
|
937 | 4819d34f | Antony Chazapis | self._put_metadata_duplicate(src_version_id, dest_version_id, domain, meta, replace)
|
938 | 5cc484e1 | Antony Chazapis | return src_version_id, dest_version_id
|
939 | 44ad5860 | Antony Chazapis | |
940 | 60b8a083 | Antony Chazapis | def _list_limits(self, listing, marker, limit): |
941 | 60b8a083 | Antony Chazapis | start = 0
|
942 | 60b8a083 | Antony Chazapis | if marker:
|
943 | 60b8a083 | Antony Chazapis | try:
|
944 | 60b8a083 | Antony Chazapis | start = listing.index(marker) + 1
|
945 | 60b8a083 | Antony Chazapis | except ValueError: |
946 | 60b8a083 | Antony Chazapis | pass
|
947 | 60b8a083 | Antony Chazapis | if not limit or limit > 10000: |
948 | 60b8a083 | Antony Chazapis | limit = 10000
|
949 | 60b8a083 | Antony Chazapis | return start, limit
|
950 | 60b8a083 | Antony Chazapis | |
951 | 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): |
952 | 60b8a083 | Antony Chazapis | cont_prefix = path + '/'
|
953 | 60b8a083 | Antony Chazapis | prefix = cont_prefix + prefix |
954 | 60b8a083 | Antony Chazapis | start = cont_prefix + marker if marker else None |
955 | 60b8a083 | Antony Chazapis | before = until if until is not None else inf |
956 | 4819d34f | Antony Chazapis | filterq = keys if domain else [] |
957 | 7ff57991 | Antony Chazapis | sizeq = size_range |
958 | 60b8a083 | Antony Chazapis | |
959 | 371d907a | Antony Chazapis | objects, prefixes = self.node.latest_version_list(parent, prefix, delimiter, start, limit, before, CLUSTER_DELETED, allowed, domain, filterq, sizeq, all_props)
|
960 | 60b8a083 | Antony Chazapis | objects.extend([(p, None) for p in prefixes] if virtual else []) |
961 | 43be9afd | Sofia Papagiannaki | objects.sort(key=lambda x: x[0]) |
962 | 371d907a | Antony Chazapis | objects = [(x[0][len(cont_prefix):],) + x[1:] for x in objects] |
963 | 60b8a083 | Antony Chazapis | |
964 | 60b8a083 | Antony Chazapis | start, limit = self._list_limits([x[0] for x in objects], marker, limit) |
965 | 60b8a083 | Antony Chazapis | return objects[start:start + limit]
|
966 | 60b8a083 | Antony Chazapis | |
967 | 813e42e5 | Antony Chazapis | # Reporting functions.
|
968 | 813e42e5 | Antony Chazapis | |
969 | 813e42e5 | Antony Chazapis | def _report_size_change(self, user, account, size, details={}): |
970 | 813e42e5 | Antony Chazapis | logger.debug("_report_size_change: %s %s %s %s", user, account, size, details)
|
971 | 813e42e5 | Antony Chazapis | account_node = self._lookup_account(account, True)[1] |
972 | 813e42e5 | Antony Chazapis | total = self._get_statistics(account_node)[1] |
973 | 813e42e5 | Antony Chazapis | details.update({'user': user, 'total': total}) |
974 | 813e42e5 | Antony Chazapis | self.queue.send(account, 'diskspace', size, details) |
975 | 813e42e5 | Antony Chazapis | |
976 | 60b8a083 | Antony Chazapis | # Policy functions.
|
977 | 60b8a083 | Antony Chazapis | |
978 | 60b8a083 | Antony Chazapis | def _check_policy(self, policy): |
979 | 60b8a083 | Antony Chazapis | for k in policy.keys(): |
980 | 60b8a083 | Antony Chazapis | if policy[k] == '': |
981 | 60b8a083 | Antony Chazapis | policy[k] = self.default_policy.get(k)
|
982 | 60b8a083 | Antony Chazapis | for k, v in policy.iteritems(): |
983 | 60b8a083 | Antony Chazapis | if k == 'quota': |
984 | 60b8a083 | Antony Chazapis | q = int(v) # May raise ValueError. |
985 | 60b8a083 | Antony Chazapis | if q < 0: |
986 | 60b8a083 | Antony Chazapis | raise ValueError |
987 | 60b8a083 | Antony Chazapis | elif k == 'versioning': |
988 | 5cc484e1 | Antony Chazapis | if v not in ['auto', 'none']: |
989 | 60b8a083 | Antony Chazapis | raise ValueError |
990 | 60b8a083 | Antony Chazapis | else:
|
991 | 60b8a083 | Antony Chazapis | raise ValueError |
992 | 60b8a083 | Antony Chazapis | |
993 | b2832c6a | Antony Chazapis | def _put_policy(self, node, policy, replace): |
994 | b2832c6a | Antony Chazapis | if replace:
|
995 | b2832c6a | Antony Chazapis | for k, v in self.default_policy.iteritems(): |
996 | b2832c6a | Antony Chazapis | if k not in policy: |
997 | b2832c6a | Antony Chazapis | policy[k] = v |
998 | b2832c6a | Antony Chazapis | self.node.policy_set(node, policy)
|
999 | b2832c6a | Antony Chazapis | |
1000 | b9064632 | Antony Chazapis | def _get_policy(self, node): |
1001 | b9064632 | Antony Chazapis | policy = self.default_policy.copy()
|
1002 | b9064632 | Antony Chazapis | policy.update(self.node.policy_get(node))
|
1003 | b9064632 | Antony Chazapis | return policy
|
1004 | b9064632 | Antony Chazapis | |
1005 | 5cc484e1 | Antony Chazapis | def _apply_versioning(self, account, container, version_id): |
1006 | 813e42e5 | Antony Chazapis | """Delete the provided version if such is the policy.
|
1007 | 813e42e5 | Antony Chazapis | Return size of object removed.
|
1008 | 813e42e5 | Antony Chazapis | """
|
1009 | 813e42e5 | Antony Chazapis | |
1010 | 5cc484e1 | Antony Chazapis | if version_id is None: |
1011 | 813e42e5 | Antony Chazapis | return 0 |
1012 | 5cc484e1 | Antony Chazapis | path, node = self._lookup_container(account, container)
|
1013 | 5cc484e1 | Antony Chazapis | versioning = self._get_policy(node)['versioning'] |
1014 | 5cc484e1 | Antony Chazapis | if versioning != 'auto': |
1015 | 813e42e5 | Antony Chazapis | hash, size = self.node.version_remove(version_id) |
1016 | 5161c672 | Antony Chazapis | self.store.map_delete(hash) |
1017 | 813e42e5 | Antony Chazapis | return size
|
1018 | 813e42e5 | Antony Chazapis | return 0 |
1019 | 5cc484e1 | Antony Chazapis | |
1020 | a9b3f29d | Antony Chazapis | # Access control functions.
|
1021 | a9b3f29d | Antony Chazapis | |
1022 | a9b3f29d | Antony Chazapis | def _check_groups(self, groups): |
1023 | 0f9d752c | Antony Chazapis | # raise ValueError('Bad characters in groups')
|
1024 | a9b3f29d | Antony Chazapis | pass
|
1025 | a9b3f29d | Antony Chazapis | |
1026 | a9b3f29d | Antony Chazapis | def _check_permissions(self, path, permissions): |
1027 | 0f9d752c | Antony Chazapis | # raise ValueError('Bad characters in permissions')
|
1028 | 5e068361 | Antony Chazapis | pass
|
1029 | 5e068361 | Antony Chazapis | |
1030 | 92da0e5a | Antony Chazapis | def _get_formatted_paths(self, paths): |
1031 | 92da0e5a | Antony Chazapis | formatted = [] |
1032 | 92da0e5a | Antony Chazapis | for p in paths: |
1033 | 92da0e5a | Antony Chazapis | node = self.node.node_lookup(p)
|
1034 | 92da0e5a | Antony Chazapis | if node is not None: |
1035 | 92da0e5a | Antony Chazapis | props = self.node.version_lookup(node, inf, CLUSTER_NORMAL)
|
1036 | 92da0e5a | Antony Chazapis | if props is not None: |
1037 | 71dbc012 | Antony Chazapis | if props[self.TYPE] in ('application/directory', 'application/folder'): |
1038 | d57eaad4 | Antony Chazapis | formatted.append((p.rstrip('/') + '/', self.MATCH_PREFIX)) |
1039 | d57eaad4 | Antony Chazapis | formatted.append((p, self.MATCH_EXACT))
|
1040 | 92da0e5a | Antony Chazapis | return formatted
|
1041 | 92da0e5a | Antony Chazapis | |
1042 | 5e068361 | Antony Chazapis | def _get_permissions_path(self, account, container, name): |
1043 | 5e068361 | Antony Chazapis | path = '/'.join((account, container, name))
|
1044 | 5e068361 | Antony Chazapis | permission_paths = self.permissions.access_inherit(path)
|
1045 | 5e068361 | Antony Chazapis | permission_paths.sort() |
1046 | 5e068361 | Antony Chazapis | permission_paths.reverse() |
1047 | 5e068361 | Antony Chazapis | for p in permission_paths: |
1048 | 5e068361 | Antony Chazapis | if p == path:
|
1049 | 5e068361 | Antony Chazapis | return p
|
1050 | 5e068361 | Antony Chazapis | else:
|
1051 | 71dbc012 | Antony Chazapis | if p.count('/') < 2: |
1052 | 71dbc012 | Antony Chazapis | continue
|
1053 | 92da0e5a | Antony Chazapis | node = self.node.node_lookup(p)
|
1054 | 92da0e5a | Antony Chazapis | if node is not None: |
1055 | 92da0e5a | Antony Chazapis | props = self.node.version_lookup(node, inf, CLUSTER_NORMAL)
|
1056 | 92da0e5a | Antony Chazapis | if props is not None: |
1057 | 71dbc012 | Antony Chazapis | if props[self.TYPE] in ('application/directory', 'application/folder'): |
1058 | 5e068361 | Antony Chazapis | return p
|
1059 | 5e068361 | Antony Chazapis | return None |
1060 | a9b3f29d | Antony Chazapis | |
1061 | 6f4bce7b | Antony Chazapis | def _can_read(self, user, account, container, name): |
1062 | a9b3f29d | Antony Chazapis | if user == account:
|
1063 | a9b3f29d | Antony Chazapis | return True |
1064 | a9b3f29d | Antony Chazapis | path = '/'.join((account, container, name))
|
1065 | aeb2b64f | Antony Chazapis | if self.permissions.public_get(path) is not None: |
1066 | 71dbc012 | Antony Chazapis | return True |
1067 | 5e068361 | Antony Chazapis | path = self._get_permissions_path(account, container, name)
|
1068 | 71dbc012 | Antony Chazapis | if not path: |
1069 | 71dbc012 | Antony Chazapis | raise NotAllowedError
|
1070 | 2c5363a0 | Antony Chazapis | if not self.permissions.access_check(path, self.READ, user) and not self.permissions.access_check(path, self.WRITE, user): |
1071 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
1072 | a9b3f29d | Antony Chazapis | |
1073 | a9b3f29d | Antony Chazapis | def _can_write(self, user, account, container, name): |
1074 | 6f4bce7b | Antony Chazapis | if user == account:
|
1075 | 6f4bce7b | Antony Chazapis | return True |
1076 | 6f4bce7b | Antony Chazapis | path = '/'.join((account, container, name))
|
1077 | 71dbc012 | Antony Chazapis | path = self._get_permissions_path(account, container, name)
|
1078 | 71dbc012 | Antony Chazapis | if not path: |
1079 | 71dbc012 | Antony Chazapis | raise NotAllowedError
|
1080 | 2c5363a0 | Antony Chazapis | if not self.permissions.access_check(path, self.WRITE, user): |
1081 | a9b3f29d | Antony Chazapis | raise NotAllowedError
|
1082 | a9b3f29d | Antony Chazapis | |
1083 | a9b3f29d | Antony Chazapis | def _allowed_accounts(self, user): |
1084 | a9b3f29d | Antony Chazapis | allow = set()
|
1085 | 0f9d752c | Antony Chazapis | for path in self.permissions.access_list_paths(user): |
1086 | a9b3f29d | Antony Chazapis | allow.add(path.split('/', 1)[0]) |
1087 | a9b3f29d | Antony Chazapis | return sorted(allow) |
1088 | a9b3f29d | Antony Chazapis | |
1089 | a9b3f29d | Antony Chazapis | def _allowed_containers(self, user, account): |
1090 | a9b3f29d | Antony Chazapis | allow = set()
|
1091 | 0f9d752c | Antony Chazapis | for path in self.permissions.access_list_paths(user, account): |
1092 | a9b3f29d | Antony Chazapis | allow.add(path.split('/', 2)[1]) |
1093 | a9b3f29d | Antony Chazapis | return sorted(allow) |