root / pithos / backends / simple.py @ f7667baf
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1 | 5635f9ef | Antony Chazapis | # Copyright 2011 GRNET S.A. All rights reserved.
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2 | 5635f9ef | Antony Chazapis | #
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3 | 5635f9ef | Antony Chazapis | # Redistribution and use in source and binary forms, with or
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4 | 5635f9ef | Antony Chazapis | # without modification, are permitted provided that the following
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5 | 5635f9ef | Antony Chazapis | # conditions are met:
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6 | 5635f9ef | Antony Chazapis | #
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7 | 5635f9ef | Antony Chazapis | # 1. Redistributions of source code must retain the above
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8 | 5635f9ef | Antony Chazapis | # copyright notice, this list of conditions and the following
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9 | 5635f9ef | Antony Chazapis | # disclaimer.
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10 | 5635f9ef | Antony Chazapis | #
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11 | 5635f9ef | Antony Chazapis | # 2. Redistributions in binary form must reproduce the above
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12 | 5635f9ef | Antony Chazapis | # copyright notice, this list of conditions and the following
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13 | 5635f9ef | Antony Chazapis | # disclaimer in the documentation and/or other materials
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14 | 5635f9ef | Antony Chazapis | # provided with the distribution.
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15 | 5635f9ef | Antony Chazapis | #
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16 | 5635f9ef | Antony Chazapis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 5635f9ef | Antony Chazapis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 5635f9ef | Antony Chazapis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 5635f9ef | Antony Chazapis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 5635f9ef | Antony Chazapis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 5635f9ef | Antony Chazapis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 5635f9ef | Antony Chazapis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 5635f9ef | Antony Chazapis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 5635f9ef | Antony Chazapis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 5635f9ef | Antony Chazapis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 5635f9ef | Antony Chazapis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 5635f9ef | Antony Chazapis | # POSSIBILITY OF SUCH DAMAGE.
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28 | 5635f9ef | Antony Chazapis | #
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29 | 5635f9ef | Antony Chazapis | # The views and conclusions contained in the software and
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30 | 5635f9ef | Antony Chazapis | # documentation are those of the authors and should not be
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31 | 5635f9ef | Antony Chazapis | # interpreted as representing official policies, either expressed
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32 | 5635f9ef | Antony Chazapis | # or implied, of GRNET S.A.
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33 | 5635f9ef | Antony Chazapis | |
34 | b956618e | Antony Chazapis | import os |
35 | b956618e | Antony Chazapis | import time |
36 | b956618e | Antony Chazapis | import sqlite3 |
37 | b956618e | Antony Chazapis | import logging |
38 | b956618e | Antony Chazapis | import hashlib |
39 | a156c8b3 | Antony Chazapis | import binascii |
40 | b956618e | Antony Chazapis | |
41 | cca6c617 | Antony Chazapis | from base import NotAllowedError, BaseBackend |
42 | a156c8b3 | Antony Chazapis | from pithos.lib.hashfiler import Mapper, Blocker |
43 | b956618e | Antony Chazapis | |
44 | b956618e | Antony Chazapis | |
45 | b956618e | Antony Chazapis | logger = logging.getLogger(__name__) |
46 | b956618e | Antony Chazapis | |
47 | 30b46c1d | Antony Chazapis | def backend_method(func=None, autocommit=1): |
48 | 30b46c1d | Antony Chazapis | if func is None: |
49 | 30b46c1d | Antony Chazapis | def fn(func): |
50 | 30b46c1d | Antony Chazapis | return backend_method(func, autocommit)
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51 | 30b46c1d | Antony Chazapis | return fn
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52 | 30b46c1d | Antony Chazapis | |
53 | 30b46c1d | Antony Chazapis | if not autocommit: |
54 | 30b46c1d | Antony Chazapis | return func
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55 | 30b46c1d | Antony Chazapis | def fn(self, *args, **kw): |
56 | 30b46c1d | Antony Chazapis | self.con.execute('begin deferred') |
57 | 30b46c1d | Antony Chazapis | try:
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58 | 30b46c1d | Antony Chazapis | ret = func(self, *args, **kw)
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59 | 30b46c1d | Antony Chazapis | self.con.commit()
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60 | 30b46c1d | Antony Chazapis | return ret
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61 | 30b46c1d | Antony Chazapis | except:
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62 | 30b46c1d | Antony Chazapis | self.con.rollback()
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63 | 30b46c1d | Antony Chazapis | raise
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64 | 30b46c1d | Antony Chazapis | return fn
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65 | 30b46c1d | Antony Chazapis | |
66 | b956618e | Antony Chazapis | |
67 | b956618e | Antony Chazapis | class SimpleBackend(BaseBackend): |
68 | 22dab079 | Antony Chazapis | """A simple backend.
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69 | 22dab079 | Antony Chazapis |
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70 | 22dab079 | Antony Chazapis | Uses SQLite for storage.
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71 | 22dab079 | Antony Chazapis | """
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72 | 22dab079 | Antony Chazapis | |
73 | d065f612 | Antony Chazapis | # TODO: Create account if not present in all functions.
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74 | d065f612 | Antony Chazapis | |
75 | 22dab079 | Antony Chazapis | def __init__(self, db): |
76 | a156c8b3 | Antony Chazapis | self.hash_algorithm = 'sha256' |
77 | a156c8b3 | Antony Chazapis | self.block_size = 4 * 1024 * 1024 # 4MB |
78 | b956618e | Antony Chazapis | |
79 | 3ab38c43 | Antony Chazapis | self.default_policy = {'quota': 0, 'versioning': 'auto'} |
80 | 3ab38c43 | Antony Chazapis | |
81 | 22dab079 | Antony Chazapis | basepath = os.path.split(db)[0]
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82 | 22dab079 | Antony Chazapis | if basepath and not os.path.exists(basepath): |
83 | b956618e | Antony Chazapis | os.makedirs(basepath) |
84 | a156c8b3 | Antony Chazapis | if not os.path.isdir(basepath): |
85 | a156c8b3 | Antony Chazapis | raise RuntimeError("Cannot open database at '%s'" % (db,)) |
86 | 22dab079 | Antony Chazapis | |
87 | a156c8b3 | Antony Chazapis | self.con = sqlite3.connect(basepath + '/db', check_same_thread=False) |
88 | 84846143 | Antony Chazapis | |
89 | 84846143 | Antony Chazapis | sql = '''pragma foreign_keys = on'''
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90 | 84846143 | Antony Chazapis | self.con.execute(sql)
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91 | 84846143 | Antony Chazapis | |
92 | 58a6c894 | Antony Chazapis | sql = '''create table if not exists versions (
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93 | 58a6c894 | Antony Chazapis | version_id integer primary key,
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94 | 58a6c894 | Antony Chazapis | name text,
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95 | 104626e3 | Antony Chazapis | user text,
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96 | 84846143 | Antony Chazapis | tstamp integer not null,
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97 | 58a6c894 | Antony Chazapis | size integer default 0,
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98 | 58a6c894 | Antony Chazapis | hide integer default 0)'''
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99 | b956618e | Antony Chazapis | self.con.execute(sql)
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100 | b956618e | Antony Chazapis | sql = '''create table if not exists metadata (
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101 | 84846143 | Antony Chazapis | version_id integer,
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102 | 84846143 | Antony Chazapis | key text,
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103 | 84846143 | Antony Chazapis | value text,
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104 | 84846143 | Antony Chazapis | primary key (version_id, key)
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105 | 84846143 | Antony Chazapis | foreign key (version_id) references versions(version_id)
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106 | 84846143 | Antony Chazapis | on delete cascade)'''
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107 | 84846143 | Antony Chazapis | self.con.execute(sql)
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108 | 84846143 | Antony Chazapis | sql = '''create table if not exists policy (
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109 | 84846143 | Antony Chazapis | name text, key text, value text, primary key (name, key))'''
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110 | b956618e | Antony Chazapis | self.con.execute(sql)
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111 | 84846143 | Antony Chazapis | |
112 | b0a2d1a6 | Antony Chazapis | # Access control tables.
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113 | 02c0c3fa | Antony Chazapis | sql = '''create table if not exists groups (
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114 | b0a2d1a6 | Antony Chazapis | account text, gname text, user text)'''
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115 | 02c0c3fa | Antony Chazapis | self.con.execute(sql)
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116 | 3436eeb0 | Antony Chazapis | sql = '''create table if not exists permissions (
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117 | b0a2d1a6 | Antony Chazapis | name text, op text, user text)'''
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118 | 3436eeb0 | Antony Chazapis | self.con.execute(sql)
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119 | e0f916bb | Antony Chazapis | sql = '''create table if not exists public (
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120 | e0f916bb | Antony Chazapis | name text, primary key (name))'''
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121 | 02c0c3fa | Antony Chazapis | self.con.execute(sql)
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122 | b0a2d1a6 | Antony Chazapis | |
123 | b956618e | Antony Chazapis | self.con.commit()
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124 | a156c8b3 | Antony Chazapis | |
125 | a156c8b3 | Antony Chazapis | params = {'blocksize': self.block_size, |
126 | a156c8b3 | Antony Chazapis | 'blockpath': basepath + '/blocks', |
127 | a156c8b3 | Antony Chazapis | 'hashtype': self.hash_algorithm} |
128 | a156c8b3 | Antony Chazapis | self.blocker = Blocker(**params)
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129 | a156c8b3 | Antony Chazapis | |
130 | a156c8b3 | Antony Chazapis | params = {'mappath': basepath + '/maps', |
131 | a156c8b3 | Antony Chazapis | 'namelen': self.blocker.hashlen} |
132 | a156c8b3 | Antony Chazapis | self.mapper = Mapper(**params)
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133 | b956618e | Antony Chazapis | |
134 | 30b46c1d | Antony Chazapis | @backend_method
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135 | f6c97079 | Antony Chazapis | def list_accounts(self, user, marker=None, limit=10000): |
136 | f6c97079 | Antony Chazapis | """Return a list of accounts the user can access."""
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137 | f6c97079 | Antony Chazapis | |
138 | f6c97079 | Antony Chazapis | allowed = self._allowed_accounts(user)
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139 | f6c97079 | Antony Chazapis | start, limit = self._list_limits(allowed, marker, limit)
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140 | f6c97079 | Antony Chazapis | return allowed[start:start + limit]
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141 | f6c97079 | Antony Chazapis | |
142 | f6c97079 | Antony Chazapis | @backend_method
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143 | 83dd59c5 | Antony Chazapis | def get_account_meta(self, user, account, until=None): |
144 | b956618e | Antony Chazapis | """Return a dictionary with the account metadata."""
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145 | b956618e | Antony Chazapis | |
146 | 58a6c894 | Antony Chazapis | logger.debug("get_account_meta: %s %s", account, until)
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147 | cca6c617 | Antony Chazapis | if user != account:
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148 | f6c97079 | Antony Chazapis | if until or account not in self._allowed_accounts(user): |
149 | f6c97079 | Antony Chazapis | raise NotAllowedError
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150 | d065f612 | Antony Chazapis | else:
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151 | d065f612 | Antony Chazapis | self._create_account(user, account)
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152 | 58a6c894 | Antony Chazapis | try:
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153 | 58a6c894 | Antony Chazapis | version_id, mtime = self._get_accountinfo(account, until)
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154 | 58a6c894 | Antony Chazapis | except NameError: |
155 | d065f612 | Antony Chazapis | # TODO: Make sure this doesn't happen.
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156 | 58a6c894 | Antony Chazapis | version_id = None
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157 | 60be837c | Antony Chazapis | mtime = 0
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158 | 58a6c894 | Antony Chazapis | count, bytes, tstamp = self._get_pathstats(account, until) |
159 | 31a1c80d | Antony Chazapis | if mtime > tstamp:
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160 | 31a1c80d | Antony Chazapis | tstamp = mtime |
161 | 58a6c894 | Antony Chazapis | if until is None: |
162 | 58a6c894 | Antony Chazapis | modified = tstamp |
163 | 58a6c894 | Antony Chazapis | else:
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164 | 58a6c894 | Antony Chazapis | modified = self._get_pathstats(account)[2] # Overall last modification |
165 | 31a1c80d | Antony Chazapis | if mtime > modified:
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166 | 31a1c80d | Antony Chazapis | modified = mtime |
167 | 22dab079 | Antony Chazapis | |
168 | 22dab079 | Antony Chazapis | # Proper count.
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169 | 58a6c894 | Antony Chazapis | sql = 'select count(name) from (%s) where name glob ? and not name glob ?'
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170 | 58a6c894 | Antony Chazapis | sql = sql % self._sql_until(until)
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171 | 22dab079 | Antony Chazapis | c = self.con.execute(sql, (account + '/*', account + '/*/*')) |
172 | 22dab079 | Antony Chazapis | row = c.fetchone() |
173 | 22dab079 | Antony Chazapis | count = row[0]
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174 | 22dab079 | Antony Chazapis | |
175 | f6c97079 | Antony Chazapis | if user != account:
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176 | f6c97079 | Antony Chazapis | meta = {'name': account}
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177 | f6c97079 | Antony Chazapis | else:
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178 | f6c97079 | Antony Chazapis | meta = self._get_metadata(account, version_id)
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179 | f6c97079 | Antony Chazapis | meta.update({'name': account, 'count': count, 'bytes': bytes}) |
180 | f6c97079 | Antony Chazapis | if until is not None: |
181 | f6c97079 | Antony Chazapis | meta.update({'until_timestamp': tstamp})
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182 | d065f612 | Antony Chazapis | meta.update({'modified': modified})
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183 | b956618e | Antony Chazapis | return meta
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184 | b956618e | Antony Chazapis | |
185 | 30b46c1d | Antony Chazapis | @backend_method
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186 | 83dd59c5 | Antony Chazapis | def update_account_meta(self, user, account, meta, replace=False): |
187 | b956618e | Antony Chazapis | """Update the metadata associated with the account."""
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188 | b956618e | Antony Chazapis | |
189 | 22dab079 | Antony Chazapis | logger.debug("update_account_meta: %s %s %s", account, meta, replace)
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190 | cca6c617 | Antony Chazapis | if user != account:
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191 | cca6c617 | Antony Chazapis | raise NotAllowedError
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192 | a156c8b3 | Antony Chazapis | self._put_metadata(user, account, meta, replace, False) |
193 | 58a6c894 | Antony Chazapis | |
194 | 30b46c1d | Antony Chazapis | @backend_method
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195 | 02c0c3fa | Antony Chazapis | def get_account_groups(self, user, account): |
196 | 02c0c3fa | Antony Chazapis | """Return a dictionary with the user groups defined for this account."""
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197 | 58a6c894 | Antony Chazapis | |
198 | 02c0c3fa | Antony Chazapis | logger.debug("get_account_groups: %s", account)
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199 | cca6c617 | Antony Chazapis | if user != account:
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200 | f6c97079 | Antony Chazapis | if account not in self._allowed_accounts(user): |
201 | f6c97079 | Antony Chazapis | raise NotAllowedError
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202 | f6c97079 | Antony Chazapis | return {}
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203 | d065f612 | Antony Chazapis | self._create_account(user, account)
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204 | 02c0c3fa | Antony Chazapis | return self._get_groups(account) |
205 | b956618e | Antony Chazapis | |
206 | 30b46c1d | Antony Chazapis | @backend_method
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207 | 02c0c3fa | Antony Chazapis | def update_account_groups(self, user, account, groups, replace=False): |
208 | 02c0c3fa | Antony Chazapis | """Update the groups associated with the account."""
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209 | b956618e | Antony Chazapis | |
210 | 02c0c3fa | Antony Chazapis | logger.debug("update_account_groups: %s %s %s", account, groups, replace)
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211 | cca6c617 | Antony Chazapis | if user != account:
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212 | cca6c617 | Antony Chazapis | raise NotAllowedError
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213 | d065f612 | Antony Chazapis | self._create_account(user, account)
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214 | b0a2d1a6 | Antony Chazapis | self._check_groups(groups)
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215 | b0a2d1a6 | Antony Chazapis | self._put_groups(account, groups, replace)
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216 | b956618e | Antony Chazapis | |
217 | 30b46c1d | Antony Chazapis | @backend_method
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218 | 84846143 | Antony Chazapis | def put_account(self, user, account): |
219 | 84846143 | Antony Chazapis | """Create a new account with the given name."""
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220 | 84846143 | Antony Chazapis | |
221 | 84846143 | Antony Chazapis | logger.debug("put_account: %s", account)
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222 | 84846143 | Antony Chazapis | if user != account:
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223 | 84846143 | Antony Chazapis | raise NotAllowedError
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224 | 84846143 | Antony Chazapis | try:
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225 | 84846143 | Antony Chazapis | version_id, mtime = self._get_accountinfo(account)
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226 | 84846143 | Antony Chazapis | except NameError: |
227 | 84846143 | Antony Chazapis | pass
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228 | 84846143 | Antony Chazapis | else:
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229 | 84846143 | Antony Chazapis | raise NameError('Account already exists') |
230 | d065f612 | Antony Chazapis | self._put_version(account, user)
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231 | 84846143 | Antony Chazapis | |
232 | 30b46c1d | Antony Chazapis | @backend_method
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233 | 02c0c3fa | Antony Chazapis | def delete_account(self, user, account): |
234 | 02c0c3fa | Antony Chazapis | """Delete the account with the given name."""
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235 | b956618e | Antony Chazapis | |
236 | 02c0c3fa | Antony Chazapis | logger.debug("delete_account: %s", account)
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237 | cca6c617 | Antony Chazapis | if user != account:
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238 | cca6c617 | Antony Chazapis | raise NotAllowedError
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239 | 84846143 | Antony Chazapis | count = self._get_pathstats(account)[0] |
240 | 22dab079 | Antony Chazapis | if count > 0: |
241 | 02c0c3fa | Antony Chazapis | raise IndexError('Account is not empty') |
242 | 84846143 | Antony Chazapis | sql = 'delete from versions where name = ?'
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243 | 84846143 | Antony Chazapis | self.con.execute(sql, (account,))
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244 | b0a2d1a6 | Antony Chazapis | self._del_groups(account)
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245 | 02c0c3fa | Antony Chazapis | |
246 | 30b46c1d | Antony Chazapis | @backend_method
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247 | b18ef3ad | Antony Chazapis | def list_containers(self, user, account, marker=None, limit=10000, shared=False, until=None): |
248 | 02c0c3fa | Antony Chazapis | """Return a list of containers existing under an account."""
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249 | 02c0c3fa | Antony Chazapis | |
250 | 02c0c3fa | Antony Chazapis | logger.debug("list_containers: %s %s %s %s", account, marker, limit, until)
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251 | 02c0c3fa | Antony Chazapis | if user != account:
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252 | f6c97079 | Antony Chazapis | if until or account not in self._allowed_accounts(user): |
253 | 17629fea | Antony Chazapis | raise NotAllowedError
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254 | f6c97079 | Antony Chazapis | allowed = self._allowed_containers(user, account)
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255 | f6c97079 | Antony Chazapis | start, limit = self._list_limits(allowed, marker, limit)
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256 | f6c97079 | Antony Chazapis | return allowed[start:start + limit]
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257 | b18ef3ad | Antony Chazapis | else:
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258 | b18ef3ad | Antony Chazapis | if shared:
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259 | b18ef3ad | Antony Chazapis | allowed = [x.split('/', 2)[1] for x in self._shared_paths(account)] |
260 | b18ef3ad | Antony Chazapis | start, limit = self._list_limits(allowed, marker, limit)
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261 | b18ef3ad | Antony Chazapis | return allowed[start:start + limit]
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262 | f6c97079 | Antony Chazapis | return [x[0] for x in self._list_objects(account, '', '/', marker, limit, False, [], until)] |
263 | b956618e | Antony Chazapis | |
264 | 30b46c1d | Antony Chazapis | @backend_method
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265 | 83dd59c5 | Antony Chazapis | def get_container_meta(self, user, account, container, until=None): |
266 | b956618e | Antony Chazapis | """Return a dictionary with the container metadata."""
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267 | b956618e | Antony Chazapis | |
268 | 58a6c894 | Antony Chazapis | logger.debug("get_container_meta: %s %s %s", account, container, until)
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269 | cca6c617 | Antony Chazapis | if user != account:
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270 | f6c97079 | Antony Chazapis | if until or container not in self._allowed_containers(user, account): |
271 | f6c97079 | Antony Chazapis | raise NotAllowedError
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272 | 58a6c894 | Antony Chazapis | path, version_id, mtime = self._get_containerinfo(account, container, until)
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273 | 58a6c894 | Antony Chazapis | count, bytes, tstamp = self._get_pathstats(path, until) |
274 | 31a1c80d | Antony Chazapis | if mtime > tstamp:
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275 | 31a1c80d | Antony Chazapis | tstamp = mtime |
276 | 58a6c894 | Antony Chazapis | if until is None: |
277 | 58a6c894 | Antony Chazapis | modified = tstamp |
278 | 58a6c894 | Antony Chazapis | else:
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279 | 31a1c80d | Antony Chazapis | modified = self._get_pathstats(path)[2] # Overall last modification |
280 | 31a1c80d | Antony Chazapis | if mtime > modified:
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281 | 31a1c80d | Antony Chazapis | modified = mtime |
282 | 58a6c894 | Antony Chazapis | |
283 | f6c97079 | Antony Chazapis | if user != account:
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284 | f6c97079 | Antony Chazapis | meta = {'name': container, 'modified': modified} |
285 | f6c97079 | Antony Chazapis | else:
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286 | f6c97079 | Antony Chazapis | meta = self._get_metadata(path, version_id)
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287 | f6c97079 | Antony Chazapis | meta.update({'name': container, 'count': count, 'bytes': bytes, 'modified': modified}) |
288 | f6c97079 | Antony Chazapis | if until is not None: |
289 | f6c97079 | Antony Chazapis | meta.update({'until_timestamp': tstamp})
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290 | b956618e | Antony Chazapis | return meta
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291 | b956618e | Antony Chazapis | |
292 | 30b46c1d | Antony Chazapis | @backend_method
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293 | 83dd59c5 | Antony Chazapis | def update_container_meta(self, user, account, container, meta, replace=False): |
294 | b956618e | Antony Chazapis | """Update the metadata associated with the container."""
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295 | b956618e | Antony Chazapis | |
296 | 58a6c894 | Antony Chazapis | logger.debug("update_container_meta: %s %s %s %s", account, container, meta, replace)
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297 | cca6c617 | Antony Chazapis | if user != account:
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298 | cca6c617 | Antony Chazapis | raise NotAllowedError
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299 | 58a6c894 | Antony Chazapis | path, version_id, mtime = self._get_containerinfo(account, container)
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300 | a156c8b3 | Antony Chazapis | self._put_metadata(user, path, meta, replace, False) |
301 | b956618e | Antony Chazapis | |
302 | 30b46c1d | Antony Chazapis | @backend_method
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303 | 02c0c3fa | Antony Chazapis | def get_container_policy(self, user, account, container): |
304 | 02c0c3fa | Antony Chazapis | """Return a dictionary with the container policy."""
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305 | 02c0c3fa | Antony Chazapis | |
306 | 02c0c3fa | Antony Chazapis | logger.debug("get_container_policy: %s %s", account, container)
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307 | 3ab38c43 | Antony Chazapis | if user != account:
|
308 | f6c97079 | Antony Chazapis | if container not in self._allowed_containers(user, account): |
309 | f6c97079 | Antony Chazapis | raise NotAllowedError
|
310 | f6c97079 | Antony Chazapis | return {}
|
311 | 3ab38c43 | Antony Chazapis | path = self._get_containerinfo(account, container)[0] |
312 | 3ab38c43 | Antony Chazapis | return self._get_policy(path) |
313 | 02c0c3fa | Antony Chazapis | |
314 | 30b46c1d | Antony Chazapis | @backend_method
|
315 | 02c0c3fa | Antony Chazapis | def update_container_policy(self, user, account, container, policy, replace=False): |
316 | 02c0c3fa | Antony Chazapis | """Update the policy associated with the account."""
|
317 | 02c0c3fa | Antony Chazapis | |
318 | 02c0c3fa | Antony Chazapis | logger.debug("update_container_policy: %s %s %s %s", account, container, policy, replace)
|
319 | 3ab38c43 | Antony Chazapis | if user != account:
|
320 | 3ab38c43 | Antony Chazapis | raise NotAllowedError
|
321 | 3ab38c43 | Antony Chazapis | path = self._get_containerinfo(account, container)[0] |
322 | 3ab38c43 | Antony Chazapis | self._check_policy(policy)
|
323 | 3ab38c43 | Antony Chazapis | if replace:
|
324 | 3ab38c43 | Antony Chazapis | for k, v in self.default_policy.iteritems(): |
325 | 3ab38c43 | Antony Chazapis | if k not in policy: |
326 | 3ab38c43 | Antony Chazapis | policy[k] = v |
327 | 3ab38c43 | Antony Chazapis | for k, v in policy.iteritems(): |
328 | 3ab38c43 | Antony Chazapis | sql = 'insert or replace into policy (name, key, value) values (?, ?, ?)'
|
329 | 3ab38c43 | Antony Chazapis | self.con.execute(sql, (path, k, v))
|
330 | 02c0c3fa | Antony Chazapis | |
331 | 30b46c1d | Antony Chazapis | @backend_method
|
332 | 02c0c3fa | Antony Chazapis | def put_container(self, user, account, container, policy=None): |
333 | 02c0c3fa | Antony Chazapis | """Create a new container with the given name."""
|
334 | 02c0c3fa | Antony Chazapis | |
335 | 02c0c3fa | Antony Chazapis | logger.debug("put_container: %s %s %s", account, container, policy)
|
336 | 02c0c3fa | Antony Chazapis | if user != account:
|
337 | 02c0c3fa | Antony Chazapis | raise NotAllowedError
|
338 | 02c0c3fa | Antony Chazapis | try:
|
339 | 02c0c3fa | Antony Chazapis | path, version_id, mtime = self._get_containerinfo(account, container)
|
340 | 02c0c3fa | Antony Chazapis | except NameError: |
341 | 3ab38c43 | Antony Chazapis | pass
|
342 | 02c0c3fa | Antony Chazapis | else:
|
343 | 02c0c3fa | Antony Chazapis | raise NameError('Container already exists') |
344 | 3ab38c43 | Antony Chazapis | if policy:
|
345 | 3ab38c43 | Antony Chazapis | self._check_policy(policy)
|
346 | f7667baf | Antony Chazapis | path = '/'.join((account, container))
|
347 | d065f612 | Antony Chazapis | version_id = self._put_version(path, user)[0] |
348 | 3ab38c43 | Antony Chazapis | for k, v in self.default_policy.iteritems(): |
349 | 3ab38c43 | Antony Chazapis | if k not in policy: |
350 | 3ab38c43 | Antony Chazapis | policy[k] = v |
351 | 3ab38c43 | Antony Chazapis | for k, v in policy.iteritems(): |
352 | 3ab38c43 | Antony Chazapis | sql = 'insert or replace into policy (name, key, value) values (?, ?, ?)'
|
353 | 3ab38c43 | Antony Chazapis | self.con.execute(sql, (path, k, v))
|
354 | 02c0c3fa | Antony Chazapis | |
355 | 30b46c1d | Antony Chazapis | @backend_method
|
356 | 84846143 | Antony Chazapis | def delete_container(self, user, account, container, until=None): |
357 | 84846143 | Antony Chazapis | """Delete/purge the container with the given name."""
|
358 | 02c0c3fa | Antony Chazapis | |
359 | 84846143 | Antony Chazapis | logger.debug("delete_container: %s %s %s", account, container, until)
|
360 | 02c0c3fa | Antony Chazapis | if user != account:
|
361 | 02c0c3fa | Antony Chazapis | raise NotAllowedError
|
362 | 02c0c3fa | Antony Chazapis | path, version_id, mtime = self._get_containerinfo(account, container)
|
363 | 84846143 | Antony Chazapis | |
364 | 84846143 | Antony Chazapis | if until is not None: |
365 | c428326e | Antony Chazapis | sql = '''select version_id from versions where name like ? and tstamp <= ?
|
366 | c428326e | Antony Chazapis | and version_id not in (select version_id from (%s))'''
|
367 | c428326e | Antony Chazapis | sql = sql % self._sql_until() # Do not delete current versions. |
368 | 84846143 | Antony Chazapis | c = self.con.execute(sql, (path + '/%', until)) |
369 | 84846143 | Antony Chazapis | for v in [x[0] for x in c.fetchall()]: |
370 | 84846143 | Antony Chazapis | self._del_version(v)
|
371 | 84846143 | Antony Chazapis | return
|
372 | 84846143 | Antony Chazapis | |
373 | 84846143 | Antony Chazapis | count = self._get_pathstats(path)[0] |
374 | 02c0c3fa | Antony Chazapis | if count > 0: |
375 | 02c0c3fa | Antony Chazapis | raise IndexError('Container is not empty') |
376 | 2f51ce47 | Antony Chazapis | sql = 'delete from versions where name = ? or name like ?' # May contain hidden items. |
377 | 2f51ce47 | Antony Chazapis | self.con.execute(sql, (path, path + '/%',)) |
378 | 84846143 | Antony Chazapis | sql = 'delete from policy where name = ?'
|
379 | 84846143 | Antony Chazapis | self.con.execute(sql, (path,))
|
380 | a156c8b3 | Antony Chazapis | self._copy_version(user, account, account, True, False) # New account version (for timestamp update). |
381 | 02c0c3fa | Antony Chazapis | |
382 | 30b46c1d | Antony Chazapis | @backend_method
|
383 | b18ef3ad | Antony Chazapis | def list_objects(self, user, account, container, prefix='', delimiter=None, marker=None, limit=10000, virtual=True, keys=[], shared=False, until=None): |
384 | b956618e | Antony Chazapis | """Return a list of objects existing under a container."""
|
385 | b956618e | Antony Chazapis | |
386 | b18ef3ad | Antony Chazapis | logger.debug("list_objects: %s %s %s %s %s %s %s %s %s %s", account, container, prefix, delimiter, marker, limit, virtual, keys, shared, until)
|
387 | f6c97079 | Antony Chazapis | allowed = [] |
388 | cca6c617 | Antony Chazapis | if user != account:
|
389 | f6c97079 | Antony Chazapis | if until:
|
390 | f6c97079 | Antony Chazapis | raise NotAllowedError
|
391 | f7667baf | Antony Chazapis | allowed = self._allowed_paths(user, '/'.join((account, container))) |
392 | f6c97079 | Antony Chazapis | if not allowed: |
393 | f6c97079 | Antony Chazapis | raise NotAllowedError
|
394 | b18ef3ad | Antony Chazapis | else:
|
395 | b18ef3ad | Antony Chazapis | if shared:
|
396 | f7667baf | Antony Chazapis | allowed = self._shared_paths('/'.join((account, container))) |
397 | 58a6c894 | Antony Chazapis | path, version_id, mtime = self._get_containerinfo(account, container, until)
|
398 | f6c97079 | Antony Chazapis | return self._list_objects(path, prefix, delimiter, marker, limit, virtual, keys, until, allowed) |
399 | 22dab079 | Antony Chazapis | |
400 | 30b46c1d | Antony Chazapis | @backend_method
|
401 | 83dd59c5 | Antony Chazapis | def list_object_meta(self, user, account, container, until=None): |
402 | 22dab079 | Antony Chazapis | """Return a list with all the container's object meta keys."""
|
403 | b956618e | Antony Chazapis | |
404 | 58a6c894 | Antony Chazapis | logger.debug("list_object_meta: %s %s %s", account, container, until)
|
405 | f6c97079 | Antony Chazapis | allowed = [] |
406 | cca6c617 | Antony Chazapis | if user != account:
|
407 | f6c97079 | Antony Chazapis | if until:
|
408 | f6c97079 | Antony Chazapis | raise NotAllowedError
|
409 | f7667baf | Antony Chazapis | allowed = self._allowed_paths(user, '/'.join((account, container))) |
410 | f6c97079 | Antony Chazapis | if not allowed: |
411 | f6c97079 | Antony Chazapis | raise NotAllowedError
|
412 | 58a6c894 | Antony Chazapis | path, version_id, mtime = self._get_containerinfo(account, container, until)
|
413 | 58a6c894 | Antony Chazapis | sql = '''select distinct m.key from (%s) o, metadata m
|
414 | 58a6c894 | Antony Chazapis | where m.version_id = o.version_id and o.name like ?'''
|
415 | 58a6c894 | Antony Chazapis | sql = sql % self._sql_until(until)
|
416 | f6c97079 | Antony Chazapis | param = (path + '/%',)
|
417 | f6c97079 | Antony Chazapis | if allowed:
|
418 | f6c97079 | Antony Chazapis | for x in allowed: |
419 | f6c97079 | Antony Chazapis | sql += ' and o.name like ?'
|
420 | f6c97079 | Antony Chazapis | param += (x,) |
421 | f6c97079 | Antony Chazapis | c = self.con.execute(sql, param)
|
422 | 22dab079 | Antony Chazapis | return [x[0] for x in c.fetchall()] |
423 | b956618e | Antony Chazapis | |
424 | 30b46c1d | Antony Chazapis | @backend_method
|
425 | 83dd59c5 | Antony Chazapis | def get_object_meta(self, user, account, container, name, version=None): |
426 | b956618e | Antony Chazapis | """Return a dictionary with the object metadata."""
|
427 | b956618e | Antony Chazapis | |
428 | 58a6c894 | Antony Chazapis | logger.debug("get_object_meta: %s %s %s %s", account, container, name, version)
|
429 | cca6c617 | Antony Chazapis | self._can_read(user, account, container, name)
|
430 | 104626e3 | Antony Chazapis | path, version_id, muser, mtime, size = self._get_objectinfo(account, container, name, version)
|
431 | 58a6c894 | Antony Chazapis | if version is None: |
432 | 58a6c894 | Antony Chazapis | modified = mtime |
433 | 58a6c894 | Antony Chazapis | else:
|
434 | 104626e3 | Antony Chazapis | modified = self._get_version(path, version)[2] # Overall last modification |
435 | 58a6c894 | Antony Chazapis | |
436 | 58a6c894 | Antony Chazapis | meta = self._get_metadata(path, version_id)
|
437 | 104626e3 | Antony Chazapis | meta.update({'name': name, 'bytes': size}) |
438 | 104626e3 | Antony Chazapis | meta.update({'version': version_id, 'version_timestamp': mtime}) |
439 | 104626e3 | Antony Chazapis | meta.update({'modified': modified, 'modified_by': muser}) |
440 | b956618e | Antony Chazapis | return meta
|
441 | b956618e | Antony Chazapis | |
442 | 30b46c1d | Antony Chazapis | @backend_method
|
443 | 83dd59c5 | Antony Chazapis | def update_object_meta(self, user, account, container, name, meta, replace=False): |
444 | b956618e | Antony Chazapis | """Update the metadata associated with the object."""
|
445 | b956618e | Antony Chazapis | |
446 | 22dab079 | Antony Chazapis | logger.debug("update_object_meta: %s %s %s %s %s", account, container, name, meta, replace)
|
447 | cca6c617 | Antony Chazapis | self._can_write(user, account, container, name)
|
448 | 104626e3 | Antony Chazapis | path, version_id, muser, mtime, size = self._get_objectinfo(account, container, name)
|
449 | 104626e3 | Antony Chazapis | self._put_metadata(user, path, meta, replace)
|
450 | b956618e | Antony Chazapis | |
451 | 30b46c1d | Antony Chazapis | @backend_method
|
452 | 3436eeb0 | Antony Chazapis | def get_object_permissions(self, user, account, container, name): |
453 | cca6c617 | Antony Chazapis | """Return the path from which this object gets its permissions from,\
|
454 | cca6c617 | Antony Chazapis | along with a dictionary containing the permissions."""
|
455 | 3436eeb0 | Antony Chazapis | |
456 | 3436eeb0 | Antony Chazapis | logger.debug("get_object_permissions: %s %s %s", account, container, name)
|
457 | cca6c617 | Antony Chazapis | self._can_read(user, account, container, name)
|
458 | 3436eeb0 | Antony Chazapis | path = self._get_objectinfo(account, container, name)[0] |
459 | cca6c617 | Antony Chazapis | return self._get_permissions(path) |
460 | 3436eeb0 | Antony Chazapis | |
461 | 30b46c1d | Antony Chazapis | @backend_method
|
462 | 3436eeb0 | Antony Chazapis | def update_object_permissions(self, user, account, container, name, permissions): |
463 | 3436eeb0 | Antony Chazapis | """Update the permissions associated with the object."""
|
464 | 3436eeb0 | Antony Chazapis | |
465 | 3436eeb0 | Antony Chazapis | logger.debug("update_object_permissions: %s %s %s %s", account, container, name, permissions)
|
466 | cca6c617 | Antony Chazapis | if user != account:
|
467 | cca6c617 | Antony Chazapis | raise NotAllowedError
|
468 | 3436eeb0 | Antony Chazapis | path = self._get_objectinfo(account, container, name)[0] |
469 | 3436eeb0 | Antony Chazapis | r, w = self._check_permissions(path, permissions)
|
470 | 3436eeb0 | Antony Chazapis | self._put_permissions(path, r, w)
|
471 | 3436eeb0 | Antony Chazapis | |
472 | 30b46c1d | Antony Chazapis | @backend_method
|
473 | 02c0c3fa | Antony Chazapis | def get_object_public(self, user, account, container, name): |
474 | 02c0c3fa | Antony Chazapis | """Return the public URL of the object if applicable."""
|
475 | 02c0c3fa | Antony Chazapis | |
476 | 02c0c3fa | Antony Chazapis | logger.debug("get_object_public: %s %s %s", account, container, name)
|
477 | e0f916bb | Antony Chazapis | self._can_read(user, account, container, name)
|
478 | e0f916bb | Antony Chazapis | path = self._get_objectinfo(account, container, name)[0] |
479 | e0f916bb | Antony Chazapis | if self._get_public(path): |
480 | e0f916bb | Antony Chazapis | return '/public/' + path |
481 | 02c0c3fa | Antony Chazapis | return None |
482 | 02c0c3fa | Antony Chazapis | |
483 | 30b46c1d | Antony Chazapis | @backend_method
|
484 | 02c0c3fa | Antony Chazapis | def update_object_public(self, user, account, container, name, public): |
485 | 02c0c3fa | Antony Chazapis | """Update the public status of the object."""
|
486 | 02c0c3fa | Antony Chazapis | |
487 | 02c0c3fa | Antony Chazapis | logger.debug("update_object_public: %s %s %s %s", account, container, name, public)
|
488 | e0f916bb | Antony Chazapis | self._can_write(user, account, container, name)
|
489 | e0f916bb | Antony Chazapis | path = self._get_objectinfo(account, container, name)[0] |
490 | e0f916bb | Antony Chazapis | self._put_public(path, public)
|
491 | 02c0c3fa | Antony Chazapis | |
492 | 30b46c1d | Antony Chazapis | @backend_method
|
493 | 83dd59c5 | Antony Chazapis | def get_object_hashmap(self, user, account, container, name, version=None): |
494 | 22dab079 | Antony Chazapis | """Return the object's size and a list with partial hashes."""
|
495 | b956618e | Antony Chazapis | |
496 | 22dab079 | Antony Chazapis | logger.debug("get_object_hashmap: %s %s %s %s", account, container, name, version)
|
497 | cca6c617 | Antony Chazapis | self._can_read(user, account, container, name)
|
498 | 104626e3 | Antony Chazapis | path, version_id, muser, mtime, size = self._get_objectinfo(account, container, name, version)
|
499 | a156c8b3 | Antony Chazapis | hashmap = self.mapper.map_retr(version_id)
|
500 | a156c8b3 | Antony Chazapis | return size, [binascii.hexlify(x) for x in hashmap] |
501 | 22dab079 | Antony Chazapis | |
502 | 30b46c1d | Antony Chazapis | @backend_method
|
503 | cca6c617 | Antony Chazapis | def update_object_hashmap(self, user, account, container, name, size, hashmap, meta={}, replace_meta=False, permissions=None): |
504 | 22dab079 | Antony Chazapis | """Create/update an object with the specified size and partial hashes."""
|
505 | b956618e | Antony Chazapis | |
506 | cfe6939d | Antony Chazapis | logger.debug("update_object_hashmap: %s %s %s %s %s", account, container, name, size, hashmap)
|
507 | cca6c617 | Antony Chazapis | if permissions is not None and user != account: |
508 | cca6c617 | Antony Chazapis | raise NotAllowedError
|
509 | cca6c617 | Antony Chazapis | self._can_write(user, account, container, name)
|
510 | a156c8b3 | Antony Chazapis | missing = self.blocker.block_ping([binascii.unhexlify(x) for x in hashmap]) |
511 | 76985443 | Sofia Papagiannaki | if missing:
|
512 | 76985443 | Sofia Papagiannaki | ie = IndexError()
|
513 | 76985443 | Sofia Papagiannaki | ie.data = missing |
514 | 76985443 | Sofia Papagiannaki | raise ie
|
515 | 58a6c894 | Antony Chazapis | path = self._get_containerinfo(account, container)[0] |
516 | f7667baf | Antony Chazapis | path = '/'.join((path, name))
|
517 | cca6c617 | Antony Chazapis | if permissions is not None: |
518 | 3436eeb0 | Antony Chazapis | r, w = self._check_permissions(path, permissions)
|
519 | 104626e3 | Antony Chazapis | src_version_id, dest_version_id = self._copy_version(user, path, path, not replace_meta, False) |
520 | 58a6c894 | Antony Chazapis | sql = 'update versions set size = ? where version_id = ?'
|
521 | 58a6c894 | Antony Chazapis | self.con.execute(sql, (size, dest_version_id))
|
522 | a156c8b3 | Antony Chazapis | self.mapper.map_stor(dest_version_id, [binascii.unhexlify(x) for x in hashmap]) |
523 | 83dd59c5 | Antony Chazapis | for k, v in meta.iteritems(): |
524 | 83dd59c5 | Antony Chazapis | sql = 'insert or replace into metadata (version_id, key, value) values (?, ?, ?)'
|
525 | 83dd59c5 | Antony Chazapis | self.con.execute(sql, (dest_version_id, k, v))
|
526 | cca6c617 | Antony Chazapis | if permissions is not None: |
527 | b0a2d1a6 | Antony Chazapis | self._put_permissions(path, r, w)
|
528 | 22dab079 | Antony Chazapis | |
529 | 30b46c1d | Antony Chazapis | @backend_method
|
530 | cca6c617 | Antony Chazapis | def copy_object(self, user, account, src_container, src_name, dest_container, dest_name, dest_meta={}, replace_meta=False, permissions=None, src_version=None): |
531 | 22dab079 | Antony Chazapis | """Copy an object's data and metadata."""
|
532 | b956618e | Antony Chazapis | |
533 | 3436eeb0 | Antony Chazapis | logger.debug("copy_object: %s %s %s %s %s %s %s %s %s", account, src_container, src_name, dest_container, dest_name, dest_meta, replace_meta, permissions, src_version)
|
534 | cca6c617 | Antony Chazapis | if permissions is not None and user != account: |
535 | cca6c617 | Antony Chazapis | raise NotAllowedError
|
536 | cca6c617 | Antony Chazapis | self._can_read(user, account, src_container, src_name)
|
537 | cca6c617 | Antony Chazapis | self._can_write(user, account, dest_container, dest_name)
|
538 | 6d817842 | Antony Chazapis | self._get_containerinfo(account, src_container)
|
539 | 58a6c894 | Antony Chazapis | if src_version is None: |
540 | 58a6c894 | Antony Chazapis | src_path = self._get_objectinfo(account, src_container, src_name)[0] |
541 | 22dab079 | Antony Chazapis | else:
|
542 | f7667baf | Antony Chazapis | src_path = '/'.join((account, src_container, src_name))
|
543 | 58a6c894 | Antony Chazapis | dest_path = self._get_containerinfo(account, dest_container)[0] |
544 | f7667baf | Antony Chazapis | dest_path = '/'.join((dest_path, dest_name))
|
545 | cca6c617 | Antony Chazapis | if permissions is not None: |
546 | 3436eeb0 | Antony Chazapis | r, w = self._check_permissions(dest_path, permissions)
|
547 | 104626e3 | Antony Chazapis | src_version_id, dest_version_id = self._copy_version(user, src_path, dest_path, not replace_meta, True, src_version) |
548 | 58a6c894 | Antony Chazapis | for k, v in dest_meta.iteritems(): |
549 | 58a6c894 | Antony Chazapis | sql = 'insert or replace into metadata (version_id, key, value) values (?, ?, ?)'
|
550 | 58a6c894 | Antony Chazapis | self.con.execute(sql, (dest_version_id, k, v))
|
551 | cca6c617 | Antony Chazapis | if permissions is not None: |
552 | b0a2d1a6 | Antony Chazapis | self._put_permissions(dest_path, r, w)
|
553 | b956618e | Antony Chazapis | |
554 | 30b46c1d | Antony Chazapis | @backend_method
|
555 | cca6c617 | Antony Chazapis | def move_object(self, user, account, src_container, src_name, dest_container, dest_name, dest_meta={}, replace_meta=False, permissions=None): |
556 | b956618e | Antony Chazapis | """Move an object's data and metadata."""
|
557 | b956618e | Antony Chazapis | |
558 | 3436eeb0 | Antony Chazapis | logger.debug("move_object: %s %s %s %s %s %s %s %s", account, src_container, src_name, dest_container, dest_name, dest_meta, replace_meta, permissions)
|
559 | 3436eeb0 | Antony Chazapis | self.copy_object(user, account, src_container, src_name, dest_container, dest_name, dest_meta, replace_meta, permissions, None) |
560 | 83dd59c5 | Antony Chazapis | self.delete_object(user, account, src_container, src_name)
|
561 | b956618e | Antony Chazapis | |
562 | 30b46c1d | Antony Chazapis | @backend_method
|
563 | 84846143 | Antony Chazapis | def delete_object(self, user, account, container, name, until=None): |
564 | 84846143 | Antony Chazapis | """Delete/purge an object."""
|
565 | b956618e | Antony Chazapis | |
566 | 84846143 | Antony Chazapis | logger.debug("delete_object: %s %s %s %s", account, container, name, until)
|
567 | cca6c617 | Antony Chazapis | if user != account:
|
568 | cca6c617 | Antony Chazapis | raise NotAllowedError
|
569 | 84846143 | Antony Chazapis | |
570 | 84846143 | Antony Chazapis | if until is not None: |
571 | f7667baf | Antony Chazapis | path = '/'.join((account, container, name))
|
572 | 84846143 | Antony Chazapis | sql = '''select version_id from versions where name = ? and tstamp <= ?'''
|
573 | 84846143 | Antony Chazapis | c = self.con.execute(sql, (path, until))
|
574 | 84846143 | Antony Chazapis | for v in [x[0] in c.fetchall()]: |
575 | 84846143 | Antony Chazapis | self._del_version(v)
|
576 | 84846143 | Antony Chazapis | try:
|
577 | 84846143 | Antony Chazapis | version_id = self._get_version(path)[0] |
578 | 84846143 | Antony Chazapis | except NameError: |
579 | 84846143 | Antony Chazapis | pass
|
580 | 84846143 | Antony Chazapis | else:
|
581 | 84846143 | Antony Chazapis | self._del_sharing(path)
|
582 | 84846143 | Antony Chazapis | return
|
583 | 84846143 | Antony Chazapis | |
584 | 104626e3 | Antony Chazapis | path = self._get_objectinfo(account, container, name)[0] |
585 | 104626e3 | Antony Chazapis | self._put_version(path, user, 0, 1) |
586 | 84846143 | Antony Chazapis | self._del_sharing(path)
|
587 | 58a6c894 | Antony Chazapis | |
588 | 30b46c1d | Antony Chazapis | @backend_method
|
589 | 83dd59c5 | Antony Chazapis | def list_versions(self, user, account, container, name): |
590 | 83dd59c5 | Antony Chazapis | """Return a list of all (version, version_timestamp) tuples for an object."""
|
591 | 58a6c894 | Antony Chazapis | |
592 | 83dd59c5 | Antony Chazapis | logger.debug("list_versions: %s %s %s", account, container, name)
|
593 | cca6c617 | Antony Chazapis | self._can_read(user, account, container, name)
|
594 | 58a6c894 | Antony Chazapis | # This will even show deleted versions.
|
595 | f7667baf | Antony Chazapis | path = '/'.join((account, container, name))
|
596 | 84846143 | Antony Chazapis | sql = '''select distinct version_id, tstamp from versions where name = ? and hide = 0'''
|
597 | 58a6c894 | Antony Chazapis | c = self.con.execute(sql, (path,))
|
598 | c9af0703 | Antony Chazapis | return [(int(x[0]), int(x[1])) for x in c.fetchall()] |
599 | b956618e | Antony Chazapis | |
600 | 30b46c1d | Antony Chazapis | @backend_method(autocommit=0) |
601 | 22dab079 | Antony Chazapis | def get_block(self, hash): |
602 | 22dab079 | Antony Chazapis | """Return a block's data."""
|
603 | 22dab079 | Antony Chazapis | |
604 | cfe6939d | Antony Chazapis | logger.debug("get_block: %s", hash) |
605 | a156c8b3 | Antony Chazapis | blocks = self.blocker.block_retr((binascii.unhexlify(hash),)) |
606 | a156c8b3 | Antony Chazapis | if not blocks: |
607 | 22dab079 | Antony Chazapis | raise NameError('Block does not exist') |
608 | a156c8b3 | Antony Chazapis | return blocks[0] |
609 | b956618e | Antony Chazapis | |
610 | 30b46c1d | Antony Chazapis | @backend_method(autocommit=0) |
611 | 22dab079 | Antony Chazapis | def put_block(self, data): |
612 | 22dab079 | Antony Chazapis | """Create a block and return the hash."""
|
613 | 22dab079 | Antony Chazapis | |
614 | cfe6939d | Antony Chazapis | logger.debug("put_block: %s", len(data)) |
615 | a156c8b3 | Antony Chazapis | hashes, absent = self.blocker.block_stor((data,))
|
616 | a156c8b3 | Antony Chazapis | return binascii.hexlify(hashes[0]) |
617 | 22dab079 | Antony Chazapis | |
618 | 30b46c1d | Antony Chazapis | @backend_method(autocommit=0) |
619 | 22dab079 | Antony Chazapis | def update_block(self, hash, data, offset=0): |
620 | 22dab079 | Antony Chazapis | """Update a known block and return the hash."""
|
621 | 22dab079 | Antony Chazapis | |
622 | cfe6939d | Antony Chazapis | logger.debug("update_block: %s %s %s", hash, len(data), offset) |
623 | cfe6939d | Antony Chazapis | if offset == 0 and len(data) == self.block_size: |
624 | cfe6939d | Antony Chazapis | return self.put_block(data) |
625 | a156c8b3 | Antony Chazapis | h, e = self.blocker.block_delta(binascii.unhexlify(hash), ((offset, data),)) |
626 | a156c8b3 | Antony Chazapis | return binascii.hexlify(h)
|
627 | b956618e | Antony Chazapis | |
628 | 58a6c894 | Antony Chazapis | def _sql_until(self, until=None): |
629 | 58a6c894 | Antony Chazapis | """Return the sql to get the latest versions until the timestamp given."""
|
630 | 58a6c894 | Antony Chazapis | if until is None: |
631 | 58a6c894 | Antony Chazapis | until = int(time.time())
|
632 | 84846143 | Antony Chazapis | sql = '''select version_id, name, tstamp, size from versions v
|
633 | 58a6c894 | Antony Chazapis | where version_id = (select max(version_id) from versions
|
634 | 2f51ce47 | Antony Chazapis | where v.name = name and tstamp <= %s)
|
635 | 58a6c894 | Antony Chazapis | and hide = 0'''
|
636 | 84846143 | Antony Chazapis | return sql % (until,)
|
637 | 58a6c894 | Antony Chazapis | |
638 | 58a6c894 | Antony Chazapis | def _get_pathstats(self, path, until=None): |
639 | 58a6c894 | Antony Chazapis | """Return count and sum of size of everything under path and latest timestamp."""
|
640 | 58a6c894 | Antony Chazapis | |
641 | 58a6c894 | Antony Chazapis | sql = 'select count(version_id), total(size), max(tstamp) from (%s) where name like ?'
|
642 | 58a6c894 | Antony Chazapis | sql = sql % self._sql_until(until)
|
643 | 58a6c894 | Antony Chazapis | c = self.con.execute(sql, (path + '/%',)) |
644 | b956618e | Antony Chazapis | row = c.fetchone() |
645 | 58a6c894 | Antony Chazapis | tstamp = row[2] if row[2] is not None else 0 |
646 | 58a6c894 | Antony Chazapis | return int(row[0]), int(row[1]), int(tstamp) |
647 | 58a6c894 | Antony Chazapis | |
648 | 58a6c894 | Antony Chazapis | def _get_version(self, path, version=None): |
649 | cb146cf9 | Antony Chazapis | if version is None: |
650 | 84846143 | Antony Chazapis | sql = '''select version_id, user, tstamp, size, hide from versions where name = ?
|
651 | 58a6c894 | Antony Chazapis | order by version_id desc limit 1'''
|
652 | 58a6c894 | Antony Chazapis | c = self.con.execute(sql, (path,))
|
653 | 58a6c894 | Antony Chazapis | row = c.fetchone() |
654 | 104626e3 | Antony Chazapis | if not row or int(row[4]): |
655 | 58a6c894 | Antony Chazapis | raise NameError('Object does not exist') |
656 | b956618e | Antony Chazapis | else:
|
657 | 104626e3 | Antony Chazapis | # The database (sqlite) will not complain if the version is not an integer.
|
658 | 84846143 | Antony Chazapis | sql = '''select version_id, user, tstamp, size from versions where name = ?
|
659 | 58a6c894 | Antony Chazapis | and version_id = ?'''
|
660 | 58a6c894 | Antony Chazapis | c = self.con.execute(sql, (path, version))
|
661 | 58a6c894 | Antony Chazapis | row = c.fetchone() |
662 | 58a6c894 | Antony Chazapis | if not row: |
663 | 58a6c894 | Antony Chazapis | raise IndexError('Version does not exist') |
664 | 104626e3 | Antony Chazapis | return str(row[0]), str(row[1]), int(row[2]), int(row[3]) |
665 | 58a6c894 | Antony Chazapis | |
666 | 104626e3 | Antony Chazapis | def _put_version(self, path, user, size=0, hide=0): |
667 | 84846143 | Antony Chazapis | tstamp = int(time.time())
|
668 | 84846143 | Antony Chazapis | sql = 'insert into versions (name, user, tstamp, size, hide) values (?, ?, ?, ?, ?)'
|
669 | 84846143 | Antony Chazapis | id = self.con.execute(sql, (path, user, tstamp, size, hide)).lastrowid
|
670 | d065f612 | Antony Chazapis | return str(id), tstamp |
671 | b956618e | Antony Chazapis | |
672 | 104626e3 | Antony Chazapis | def _copy_version(self, user, src_path, dest_path, copy_meta=True, copy_data=True, src_version=None): |
673 | 58a6c894 | Antony Chazapis | if src_version is not None: |
674 | 104626e3 | Antony Chazapis | src_version_id, muser, mtime, size = self._get_version(src_path, src_version)
|
675 | 58a6c894 | Antony Chazapis | else:
|
676 | 58a6c894 | Antony Chazapis | # Latest or create from scratch.
|
677 | 58a6c894 | Antony Chazapis | try:
|
678 | 104626e3 | Antony Chazapis | src_version_id, muser, mtime, size = self._get_version(src_path)
|
679 | 58a6c894 | Antony Chazapis | except NameError: |
680 | 58a6c894 | Antony Chazapis | src_version_id = None
|
681 | 58a6c894 | Antony Chazapis | size = 0
|
682 | 58a6c894 | Antony Chazapis | if not copy_data: |
683 | 58a6c894 | Antony Chazapis | size = 0
|
684 | d065f612 | Antony Chazapis | dest_version_id = self._put_version(dest_path, user, size)[0] |
685 | 58a6c894 | Antony Chazapis | if copy_meta and src_version_id is not None: |
686 | 58a6c894 | Antony Chazapis | sql = 'insert into metadata select %s, key, value from metadata where version_id = ?'
|
687 | 58a6c894 | Antony Chazapis | sql = sql % dest_version_id |
688 | 58a6c894 | Antony Chazapis | self.con.execute(sql, (src_version_id,))
|
689 | 58a6c894 | Antony Chazapis | if copy_data and src_version_id is not None: |
690 | a156c8b3 | Antony Chazapis | # TODO: Copy properly.
|
691 | a156c8b3 | Antony Chazapis | hashmap = self.mapper.map_retr(src_version_id)
|
692 | a156c8b3 | Antony Chazapis | self.mapper.map_stor(dest_version_id, hashmap)
|
693 | 58a6c894 | Antony Chazapis | return src_version_id, dest_version_id
|
694 | 58a6c894 | Antony Chazapis | |
695 | 58a6c894 | Antony Chazapis | def _get_versioninfo(self, account, container, name, until=None): |
696 | 58a6c894 | Antony Chazapis | """Return path, latest version, associated timestamp and size until the timestamp given."""
|
697 | 58a6c894 | Antony Chazapis | |
698 | 58a6c894 | Antony Chazapis | p = (account, container, name) |
699 | 22dab079 | Antony Chazapis | try:
|
700 | 58a6c894 | Antony Chazapis | p = p[:p.index(None)]
|
701 | 58a6c894 | Antony Chazapis | except ValueError: |
702 | 58a6c894 | Antony Chazapis | pass
|
703 | f7667baf | Antony Chazapis | path = '/'.join(p)
|
704 | 58a6c894 | Antony Chazapis | sql = '''select version_id, tstamp, size from (%s) where name = ?'''
|
705 | 58a6c894 | Antony Chazapis | sql = sql % self._sql_until(until)
|
706 | 58a6c894 | Antony Chazapis | c = self.con.execute(sql, (path,))
|
707 | 58a6c894 | Antony Chazapis | row = c.fetchone() |
708 | 58a6c894 | Antony Chazapis | if row is None: |
709 | 58a6c894 | Antony Chazapis | raise NameError('Path does not exist') |
710 | 58a6c894 | Antony Chazapis | return path, str(row[0]), int(row[1]), int(row[2]) |
711 | 58a6c894 | Antony Chazapis | |
712 | 58a6c894 | Antony Chazapis | def _get_accountinfo(self, account, until=None): |
713 | 58a6c894 | Antony Chazapis | try:
|
714 | 58a6c894 | Antony Chazapis | path, version_id, mtime, size = self._get_versioninfo(account, None, None, until) |
715 | 58a6c894 | Antony Chazapis | return version_id, mtime
|
716 | 58a6c894 | Antony Chazapis | except:
|
717 | 58a6c894 | Antony Chazapis | raise NameError('Account does not exist') |
718 | 58a6c894 | Antony Chazapis | |
719 | 58a6c894 | Antony Chazapis | def _get_containerinfo(self, account, container, until=None): |
720 | 58a6c894 | Antony Chazapis | try:
|
721 | 58a6c894 | Antony Chazapis | path, version_id, mtime, size = self._get_versioninfo(account, container, None, until) |
722 | 58a6c894 | Antony Chazapis | return path, version_id, mtime
|
723 | 58a6c894 | Antony Chazapis | except:
|
724 | 22dab079 | Antony Chazapis | raise NameError('Container does not exist') |
725 | 22dab079 | Antony Chazapis | |
726 | 22dab079 | Antony Chazapis | def _get_objectinfo(self, account, container, name, version=None): |
727 | f7667baf | Antony Chazapis | path = '/'.join((account, container, name))
|
728 | 104626e3 | Antony Chazapis | version_id, muser, mtime, size = self._get_version(path, version)
|
729 | 104626e3 | Antony Chazapis | return path, version_id, muser, mtime, size
|
730 | 22dab079 | Antony Chazapis | |
731 | d065f612 | Antony Chazapis | def _create_account(self, user, account): |
732 | d065f612 | Antony Chazapis | try:
|
733 | d065f612 | Antony Chazapis | self._get_accountinfo(account)
|
734 | d065f612 | Antony Chazapis | except NameError: |
735 | d065f612 | Antony Chazapis | self._put_version(account, user)
|
736 | d065f612 | Antony Chazapis | |
737 | 58a6c894 | Antony Chazapis | def _get_metadata(self, path, version): |
738 | 58a6c894 | Antony Chazapis | sql = 'select key, value from metadata where version_id = ?'
|
739 | 58a6c894 | Antony Chazapis | c = self.con.execute(sql, (version,))
|
740 | 58a6c894 | Antony Chazapis | return dict(c.fetchall()) |
741 | 58a6c894 | Antony Chazapis | |
742 | a156c8b3 | Antony Chazapis | def _put_metadata(self, user, path, meta, replace=False, copy_data=True): |
743 | 58a6c894 | Antony Chazapis | """Create a new version and store metadata."""
|
744 | 58a6c894 | Antony Chazapis | |
745 | a156c8b3 | Antony Chazapis | src_version_id, dest_version_id = self._copy_version(user, path, path, not replace, copy_data) |
746 | 58a6c894 | Antony Chazapis | for k, v in meta.iteritems(): |
747 | a6eb13e9 | Antony Chazapis | if not replace and v == '': |
748 | a6eb13e9 | Antony Chazapis | sql = 'delete from metadata where version_id = ? and key = ?'
|
749 | a6eb13e9 | Antony Chazapis | self.con.execute(sql, (dest_version_id, k))
|
750 | a6eb13e9 | Antony Chazapis | else:
|
751 | a6eb13e9 | Antony Chazapis | sql = 'insert or replace into metadata (version_id, key, value) values (?, ?, ?)'
|
752 | a6eb13e9 | Antony Chazapis | self.con.execute(sql, (dest_version_id, k, v))
|
753 | 58a6c894 | Antony Chazapis | |
754 | 3ab38c43 | Antony Chazapis | def _check_policy(self, policy): |
755 | 3ab38c43 | Antony Chazapis | for k in policy.keys(): |
756 | 3ab38c43 | Antony Chazapis | if policy[k] == '': |
757 | 3ab38c43 | Antony Chazapis | policy[k] = self.default_policy.get(k)
|
758 | 3ab38c43 | Antony Chazapis | for k, v in policy.iteritems(): |
759 | 3ab38c43 | Antony Chazapis | if k == 'quota': |
760 | 3ab38c43 | Antony Chazapis | q = int(v) # May raise ValueError. |
761 | 3ab38c43 | Antony Chazapis | if q < 0: |
762 | 3ab38c43 | Antony Chazapis | raise ValueError |
763 | 3ab38c43 | Antony Chazapis | elif k == 'versioning': |
764 | 3ab38c43 | Antony Chazapis | if v not in ['auto', 'manual', 'none']: |
765 | 3ab38c43 | Antony Chazapis | raise ValueError |
766 | 3ab38c43 | Antony Chazapis | else:
|
767 | 3ab38c43 | Antony Chazapis | raise ValueError |
768 | 3ab38c43 | Antony Chazapis | |
769 | 3ab38c43 | Antony Chazapis | def _get_policy(self, path): |
770 | 3ab38c43 | Antony Chazapis | sql = 'select key, value from policy where name = ?'
|
771 | 3ab38c43 | Antony Chazapis | c = self.con.execute(sql, (path,))
|
772 | 3ab38c43 | Antony Chazapis | return dict(c.fetchall()) |
773 | 3ab38c43 | Antony Chazapis | |
774 | f6c97079 | Antony Chazapis | def _list_limits(self, listing, marker, limit): |
775 | f6c97079 | Antony Chazapis | start = 0
|
776 | f6c97079 | Antony Chazapis | if marker:
|
777 | f6c97079 | Antony Chazapis | try:
|
778 | f6c97079 | Antony Chazapis | start = listing.index(marker) + 1
|
779 | f6c97079 | Antony Chazapis | except ValueError: |
780 | f6c97079 | Antony Chazapis | pass
|
781 | f6c97079 | Antony Chazapis | if not limit or limit > 10000: |
782 | f6c97079 | Antony Chazapis | limit = 10000
|
783 | f6c97079 | Antony Chazapis | return start, limit
|
784 | f6c97079 | Antony Chazapis | |
785 | f6c97079 | Antony Chazapis | def _list_objects(self, path, prefix='', delimiter=None, marker=None, limit=10000, virtual=True, keys=[], until=None, allowed=[]): |
786 | b0a2d1a6 | Antony Chazapis | cont_prefix = path + '/'
|
787 | b0a2d1a6 | Antony Chazapis | if keys and len(keys) > 0: |
788 | b0a2d1a6 | Antony Chazapis | sql = '''select distinct o.name, o.version_id from (%s) o, metadata m where o.name like ? and
|
789 | f6c97079 | Antony Chazapis | m.version_id = o.version_id and m.key in (%s)'''
|
790 | b0a2d1a6 | Antony Chazapis | sql = sql % (self._sql_until(until), ', '.join('?' * len(keys))) |
791 | b0a2d1a6 | Antony Chazapis | param = (cont_prefix + prefix + '%',) + tuple(keys) |
792 | f6c97079 | Antony Chazapis | if allowed:
|
793 | f6c97079 | Antony Chazapis | for x in allowed: |
794 | f6c97079 | Antony Chazapis | sql += ' and o.name like ?'
|
795 | f6c97079 | Antony Chazapis | param += (x,) |
796 | f6c97079 | Antony Chazapis | sql += ' order by o.name'
|
797 | b0a2d1a6 | Antony Chazapis | else:
|
798 | f6c97079 | Antony Chazapis | sql = 'select name, version_id from (%s) where name like ?'
|
799 | b0a2d1a6 | Antony Chazapis | sql = sql % self._sql_until(until)
|
800 | b0a2d1a6 | Antony Chazapis | param = (cont_prefix + prefix + '%',)
|
801 | f6c97079 | Antony Chazapis | if allowed:
|
802 | f6c97079 | Antony Chazapis | for x in allowed: |
803 | f6c97079 | Antony Chazapis | sql += ' and name like ?'
|
804 | f6c97079 | Antony Chazapis | param += (x,) |
805 | f6c97079 | Antony Chazapis | sql += ' order by name'
|
806 | b0a2d1a6 | Antony Chazapis | c = self.con.execute(sql, param)
|
807 | b0a2d1a6 | Antony Chazapis | objects = [(x[0][len(cont_prefix):], x[1]) for x in c.fetchall()] |
808 | b0a2d1a6 | Antony Chazapis | if delimiter:
|
809 | b0a2d1a6 | Antony Chazapis | pseudo_objects = [] |
810 | b0a2d1a6 | Antony Chazapis | for x in objects: |
811 | b0a2d1a6 | Antony Chazapis | pseudo_name = x[0]
|
812 | b0a2d1a6 | Antony Chazapis | i = pseudo_name.find(delimiter, len(prefix))
|
813 | b0a2d1a6 | Antony Chazapis | if not virtual: |
814 | b0a2d1a6 | Antony Chazapis | # If the delimiter is not found, or the name ends
|
815 | b0a2d1a6 | Antony Chazapis | # with the delimiter's first occurence.
|
816 | b0a2d1a6 | Antony Chazapis | if i == -1 or len(pseudo_name) == i + len(delimiter): |
817 | b0a2d1a6 | Antony Chazapis | pseudo_objects.append(x) |
818 | b0a2d1a6 | Antony Chazapis | else:
|
819 | b0a2d1a6 | Antony Chazapis | # If the delimiter is found, keep up to (and including) the delimiter.
|
820 | b0a2d1a6 | Antony Chazapis | if i != -1: |
821 | b0a2d1a6 | Antony Chazapis | pseudo_name = pseudo_name[:i + len(delimiter)]
|
822 | b0a2d1a6 | Antony Chazapis | if pseudo_name not in [y[0] for y in pseudo_objects]: |
823 | b0a2d1a6 | Antony Chazapis | if pseudo_name == x[0]: |
824 | b0a2d1a6 | Antony Chazapis | pseudo_objects.append(x) |
825 | b0a2d1a6 | Antony Chazapis | else:
|
826 | b0a2d1a6 | Antony Chazapis | pseudo_objects.append((pseudo_name, None))
|
827 | b0a2d1a6 | Antony Chazapis | objects = pseudo_objects |
828 | b0a2d1a6 | Antony Chazapis | |
829 | f6c97079 | Antony Chazapis | start, limit = self._list_limits([x[0] for x in objects], marker, limit) |
830 | b0a2d1a6 | Antony Chazapis | return objects[start:start + limit]
|
831 | b0a2d1a6 | Antony Chazapis | |
832 | b0a2d1a6 | Antony Chazapis | def _del_version(self, version): |
833 | b0a2d1a6 | Antony Chazapis | self.mapper.map_remv(version)
|
834 | b0a2d1a6 | Antony Chazapis | sql = 'delete from versions where version_id = ?'
|
835 | b0a2d1a6 | Antony Chazapis | self.con.execute(sql, (version,))
|
836 | b0a2d1a6 | Antony Chazapis | |
837 | b0a2d1a6 | Antony Chazapis | # Access control functions.
|
838 | b0a2d1a6 | Antony Chazapis | |
839 | b0a2d1a6 | Antony Chazapis | def _check_groups(self, groups): |
840 | b0a2d1a6 | Antony Chazapis | # Example follows.
|
841 | b0a2d1a6 | Antony Chazapis | # for k, v in groups.iteritems():
|
842 | b0a2d1a6 | Antony Chazapis | # if True in [False or ',' in x for x in v]:
|
843 | b0a2d1a6 | Antony Chazapis | # raise ValueError('Bad characters in groups')
|
844 | b0a2d1a6 | Antony Chazapis | pass
|
845 | b0a2d1a6 | Antony Chazapis | |
846 | b0a2d1a6 | Antony Chazapis | def _get_groups(self, account): |
847 | b0a2d1a6 | Antony Chazapis | sql = 'select gname, user from groups where account = ?'
|
848 | b0a2d1a6 | Antony Chazapis | c = self.con.execute(sql, (account,))
|
849 | b0a2d1a6 | Antony Chazapis | groups = {} |
850 | b0a2d1a6 | Antony Chazapis | for row in c.fetchall(): |
851 | b0a2d1a6 | Antony Chazapis | if row[0] not in groups: |
852 | b0a2d1a6 | Antony Chazapis | groups[row[0]] = []
|
853 | b0a2d1a6 | Antony Chazapis | groups[row[0]].append(row[1]) |
854 | b0a2d1a6 | Antony Chazapis | return groups
|
855 | b0a2d1a6 | Antony Chazapis | |
856 | b0a2d1a6 | Antony Chazapis | def _put_groups(self, account, groups, replace=False): |
857 | b0a2d1a6 | Antony Chazapis | if replace:
|
858 | b0a2d1a6 | Antony Chazapis | self._del_groups(account)
|
859 | b0a2d1a6 | Antony Chazapis | for k, v in groups.iteritems(): |
860 | b0a2d1a6 | Antony Chazapis | sql = 'delete from groups where account = ? and gname = ?'
|
861 | b0a2d1a6 | Antony Chazapis | self.con.execute(sql, (account, k))
|
862 | b0a2d1a6 | Antony Chazapis | if v:
|
863 | b0a2d1a6 | Antony Chazapis | sql = 'insert into groups (account, gname, user) values (?, ?, ?)'
|
864 | b0a2d1a6 | Antony Chazapis | self.con.executemany(sql, [(account, k, x) for x in v]) |
865 | b0a2d1a6 | Antony Chazapis | |
866 | b0a2d1a6 | Antony Chazapis | def _del_groups(self, account): |
867 | b0a2d1a6 | Antony Chazapis | sql = 'delete from groups where account = ?'
|
868 | b0a2d1a6 | Antony Chazapis | self.con.execute(sql, (account,))
|
869 | b0a2d1a6 | Antony Chazapis | |
870 | 3436eeb0 | Antony Chazapis | def _check_permissions(self, path, permissions): |
871 | 3436eeb0 | Antony Chazapis | # Check for existing permissions.
|
872 | 3436eeb0 | Antony Chazapis | sql = '''select name from permissions
|
873 | 3436eeb0 | Antony Chazapis | where name != ? and (name like ? or ? like name || ?)'''
|
874 | 3436eeb0 | Antony Chazapis | c = self.con.execute(sql, (path, path + '%', path, '%')) |
875 | 1993fea9 | Antony Chazapis | row = c.fetchone() |
876 | 1993fea9 | Antony Chazapis | if row:
|
877 | 1993fea9 | Antony Chazapis | ae = AttributeError()
|
878 | 1993fea9 | Antony Chazapis | ae.data = row[0]
|
879 | 1993fea9 | Antony Chazapis | raise ae
|
880 | 3436eeb0 | Antony Chazapis | |
881 | cca6c617 | Antony Chazapis | # Format given permissions.
|
882 | cca6c617 | Antony Chazapis | if len(permissions) == 0: |
883 | b0a2d1a6 | Antony Chazapis | return [], []
|
884 | 3436eeb0 | Antony Chazapis | r = permissions.get('read', [])
|
885 | 3436eeb0 | Antony Chazapis | w = permissions.get('write', [])
|
886 | b0a2d1a6 | Antony Chazapis | # Examples follow.
|
887 | b0a2d1a6 | Antony Chazapis | # if True in [False or ',' in x for x in r]:
|
888 | b0a2d1a6 | Antony Chazapis | # raise ValueError('Bad characters in read permissions')
|
889 | b0a2d1a6 | Antony Chazapis | # if True in [False or ',' in x for x in w]:
|
890 | b0a2d1a6 | Antony Chazapis | # raise ValueError('Bad characters in write permissions')
|
891 | b0a2d1a6 | Antony Chazapis | return r, w
|
892 | 3436eeb0 | Antony Chazapis | |
893 | 3436eeb0 | Antony Chazapis | def _get_permissions(self, path): |
894 | a6eb13e9 | Antony Chazapis | # Check for permissions at path or above.
|
895 | b0a2d1a6 | Antony Chazapis | sql = 'select name, op, user from permissions where ? like name || ?'
|
896 | a6eb13e9 | Antony Chazapis | c = self.con.execute(sql, (path, '%')) |
897 | b0a2d1a6 | Antony Chazapis | name = path |
898 | b0a2d1a6 | Antony Chazapis | perms = {} # Return nothing, if nothing is set.
|
899 | b0a2d1a6 | Antony Chazapis | for row in c.fetchall(): |
900 | b0a2d1a6 | Antony Chazapis | name = row[0]
|
901 | b0a2d1a6 | Antony Chazapis | if row[1] not in perms: |
902 | b0a2d1a6 | Antony Chazapis | perms[row[1]] = []
|
903 | b0a2d1a6 | Antony Chazapis | perms[row[1]].append(row[2]) |
904 | b0a2d1a6 | Antony Chazapis | return name, perms
|
905 | 3436eeb0 | Antony Chazapis | |
906 | 3436eeb0 | Antony Chazapis | def _put_permissions(self, path, r, w): |
907 | b0a2d1a6 | Antony Chazapis | sql = 'delete from permissions where name = ?'
|
908 | b0a2d1a6 | Antony Chazapis | self.con.execute(sql, (path,))
|
909 | b0a2d1a6 | Antony Chazapis | sql = 'insert into permissions (name, op, user) values (?, ?, ?)'
|
910 | b0a2d1a6 | Antony Chazapis | if r:
|
911 | b0a2d1a6 | Antony Chazapis | self.con.executemany(sql, [(path, 'read', x) for x in r]) |
912 | b0a2d1a6 | Antony Chazapis | if w:
|
913 | b0a2d1a6 | Antony Chazapis | self.con.executemany(sql, [(path, 'write', x) for x in w]) |
914 | 3436eeb0 | Antony Chazapis | |
915 | e0f916bb | Antony Chazapis | def _get_public(self, path): |
916 | e0f916bb | Antony Chazapis | sql = 'select name from public where name = ?'
|
917 | e0f916bb | Antony Chazapis | c = self.con.execute(sql, (path,))
|
918 | e0f916bb | Antony Chazapis | row = c.fetchone() |
919 | e0f916bb | Antony Chazapis | if not row: |
920 | e0f916bb | Antony Chazapis | return False |
921 | e0f916bb | Antony Chazapis | return True |
922 | e0f916bb | Antony Chazapis | |
923 | e0f916bb | Antony Chazapis | def _put_public(self, path, public): |
924 | e0f916bb | Antony Chazapis | if not public: |
925 | e0f916bb | Antony Chazapis | sql = 'delete from public where name = ?'
|
926 | e0f916bb | Antony Chazapis | else:
|
927 | e0f916bb | Antony Chazapis | sql = 'insert or replace into public (name) values (?)'
|
928 | e0f916bb | Antony Chazapis | self.con.execute(sql, (path,))
|
929 | e0f916bb | Antony Chazapis | |
930 | 84846143 | Antony Chazapis | def _del_sharing(self, path): |
931 | 84846143 | Antony Chazapis | sql = 'delete from permissions where name = ?'
|
932 | 84846143 | Antony Chazapis | self.con.execute(sql, (path,))
|
933 | 84846143 | Antony Chazapis | sql = 'delete from public where name = ?'
|
934 | 84846143 | Antony Chazapis | self.con.execute(sql, (path,))
|
935 | 17629fea | Antony Chazapis | |
936 | 17629fea | Antony Chazapis | def _is_allowed(self, user, account, container, name, op='read'): |
937 | 17629fea | Antony Chazapis | if user == account:
|
938 | 17629fea | Antony Chazapis | return True |
939 | f7667baf | Antony Chazapis | path = '/'.join((account, container, name))
|
940 | 17629fea | Antony Chazapis | if op == 'read' and self._get_public(path): |
941 | 17629fea | Antony Chazapis | return True |
942 | 17629fea | Antony Chazapis | perm_path, perms = self._get_permissions(path)
|
943 | 17629fea | Antony Chazapis | |
944 | 17629fea | Antony Chazapis | # Expand groups.
|
945 | 17629fea | Antony Chazapis | for x in ('read', 'write'): |
946 | 17629fea | Antony Chazapis | g_perms = set()
|
947 | 17629fea | Antony Chazapis | for y in perms.get(x, []): |
948 | 17629fea | Antony Chazapis | if ':' in y: |
949 | 17629fea | Antony Chazapis | g_account, g_name = y.split(':', 1) |
950 | 17629fea | Antony Chazapis | groups = self._get_groups(g_account)
|
951 | 17629fea | Antony Chazapis | if g_name in groups: |
952 | 17629fea | Antony Chazapis | g_perms.update(groups[g_name]) |
953 | 17629fea | Antony Chazapis | else:
|
954 | 17629fea | Antony Chazapis | g_perms.add(y) |
955 | 17629fea | Antony Chazapis | perms[x] = g_perms |
956 | 17629fea | Antony Chazapis | |
957 | 17629fea | Antony Chazapis | if op == 'read' and ('*' in perms['read'] or user in perms['read']): |
958 | 17629fea | Antony Chazapis | return True |
959 | 17629fea | Antony Chazapis | if '*' in perms['write'] or user in perms['write']: |
960 | 17629fea | Antony Chazapis | return True |
961 | 17629fea | Antony Chazapis | return False |
962 | 17629fea | Antony Chazapis | |
963 | 17629fea | Antony Chazapis | def _can_read(self, user, account, container, name): |
964 | 17629fea | Antony Chazapis | if not self._is_allowed(user, account, container, name, 'read'): |
965 | 17629fea | Antony Chazapis | raise NotAllowedError
|
966 | 17629fea | Antony Chazapis | |
967 | 17629fea | Antony Chazapis | def _can_write(self, user, account, container, name): |
968 | 17629fea | Antony Chazapis | if not self._is_allowed(user, account, container, name, 'write'): |
969 | 17629fea | Antony Chazapis | raise NotAllowedError
|
970 | 17629fea | Antony Chazapis | |
971 | 17629fea | Antony Chazapis | def _allowed_paths(self, user, prefix=None): |
972 | 17629fea | Antony Chazapis | sql = '''select distinct name from permissions where (user = ?
|
973 | 17629fea | Antony Chazapis | or user in (select account || ':' || gname from groups where user = ?))'''
|
974 | 17629fea | Antony Chazapis | param = (user, user) |
975 | 17629fea | Antony Chazapis | if prefix:
|
976 | 17629fea | Antony Chazapis | sql += ' and name like ?'
|
977 | 17629fea | Antony Chazapis | param += (prefix + '/%',)
|
978 | 17629fea | Antony Chazapis | c = self.con.execute(sql, param)
|
979 | 17629fea | Antony Chazapis | return [x[0] for x in c.fetchall()] |
980 | 17629fea | Antony Chazapis | |
981 | 17629fea | Antony Chazapis | def _allowed_accounts(self, user): |
982 | 17629fea | Antony Chazapis | allow = set()
|
983 | 17629fea | Antony Chazapis | for path in self._allowed_paths(user): |
984 | 17629fea | Antony Chazapis | allow.add(path.split('/', 1)[0]) |
985 | 17629fea | Antony Chazapis | return sorted(allow) |
986 | 17629fea | Antony Chazapis | |
987 | 17629fea | Antony Chazapis | def _allowed_containers(self, user, account): |
988 | 17629fea | Antony Chazapis | allow = set()
|
989 | 17629fea | Antony Chazapis | for path in self._allowed_paths(user, account): |
990 | 17629fea | Antony Chazapis | allow.add(path.split('/', 2)[1]) |
991 | 17629fea | Antony Chazapis | return sorted(allow) |
992 | b18ef3ad | Antony Chazapis | |
993 | b18ef3ad | Antony Chazapis | def _shared_paths(self, prefix): |
994 | b18ef3ad | Antony Chazapis | sql = 'select distinct name from permissions where name like ?'
|
995 | b18ef3ad | Antony Chazapis | c = self.con.execute(sql, (prefix + '/%',)) |
996 | b18ef3ad | Antony Chazapis | return [x[0] for x in c.fetchall()] |