root / snf-pithos-backend / pithos / backends / lib / sqlite / public.py @ 3ccbbca8
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1 | 2e662088 | Antony Chazapis | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | 2715ade4 | Sofia Papagiannaki | #
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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 | 2715ade4 | Sofia Papagiannaki | #
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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 | 2715ade4 | Sofia Papagiannaki | #
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11 | a9b3f29d | Antony Chazapis | # 2. Redistributions in binary form must reproduce the above
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12 | a9b3f29d | 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 | 2715ade4 | Sofia Papagiannaki | #
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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 | 2715ade4 | Sofia Papagiannaki | #
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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 | a9b3f29d | Antony Chazapis | from dbworker import DBWorker |
35 | a9b3f29d | Antony Chazapis | |
36 | 4a105ce2 | Sofia Papagiannaki | from pithos.backends.random_word import get_random_word |
37 | 4a105ce2 | Sofia Papagiannaki | |
38 | 4a105ce2 | Sofia Papagiannaki | import logging |
39 | 4a105ce2 | Sofia Papagiannaki | |
40 | 4a105ce2 | Sofia Papagiannaki | logger = logging.getLogger(__name__) |
41 | a9b3f29d | Antony Chazapis | |
42 | 29148653 | Sofia Papagiannaki | |
43 | a9b3f29d | Antony Chazapis | class Public(DBWorker): |
44 | a9b3f29d | Antony Chazapis | """Paths can be marked as public."""
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45 | 2715ade4 | Sofia Papagiannaki | |
46 | a9b3f29d | Antony Chazapis | def __init__(self, **params): |
47 | a9b3f29d | Antony Chazapis | DBWorker.__init__(self, **params)
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48 | a9b3f29d | Antony Chazapis | execute = self.execute
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49 | 2715ade4 | Sofia Papagiannaki | |
50 | a9b3f29d | Antony Chazapis | execute(""" create table if not exists public
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51 | bb4eafc6 | Antony Chazapis | ( public_id integer primary key autoincrement,
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52 | af75e8a5 | Antony Chazapis | path text not null,
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53 | 56f3c759 | Sofia Papagiannaki | active boolean not null default 1,
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54 | 56f3c759 | Sofia Papagiannaki | url text) """)
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55 | bb4eafc6 | Antony Chazapis | execute(""" create unique index if not exists idx_public_path
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56 | bb4eafc6 | Antony Chazapis | on public(path) """)
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57 | 56f3c759 | Sofia Papagiannaki | execute(""" create unique index if not exists idx_public_url
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58 | 56f3c759 | Sofia Papagiannaki | on public(url) """)
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59 | 2715ade4 | Sofia Papagiannaki | |
60 | 4a105ce2 | Sofia Papagiannaki | def get_unique_url(self, public_url_security, public_url_alphabet): |
61 | 4a105ce2 | Sofia Papagiannaki | l = public_url_security |
62 | 56f3c759 | Sofia Papagiannaki | while 1: |
63 | 4a105ce2 | Sofia Papagiannaki | candidate = get_random_word(length=l, alphabet=public_url_alphabet) |
64 | 56f3c759 | Sofia Papagiannaki | if self.public_path(candidate) is None: |
65 | 56f3c759 | Sofia Papagiannaki | return candidate
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66 | 29148653 | Sofia Papagiannaki | l += 1
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67 | 56f3c759 | Sofia Papagiannaki | |
68 | 4a105ce2 | Sofia Papagiannaki | def public_set(self, path, public_url_security, public_url_alphabet): |
69 | 56f3c759 | Sofia Papagiannaki | q = "select public_id from public where path = ?"
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70 | af75e8a5 | Antony Chazapis | self.execute(q, (path,))
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71 | 56f3c759 | Sofia Papagiannaki | row = self.fetchone()
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72 | 56f3c759 | Sofia Papagiannaki | |
73 | 56f3c759 | Sofia Papagiannaki | if not row: |
74 | 56f3c759 | Sofia Papagiannaki | url = self.get_unique_url(
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75 | 4a105ce2 | Sofia Papagiannaki | public_url_security, public_url_alphabet |
76 | 56f3c759 | Sofia Papagiannaki | ) |
77 | 4a105ce2 | Sofia Papagiannaki | q = "insert into public(path, active, url) values(?, 1, ?)"
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78 | 4a105ce2 | Sofia Papagiannaki | self.execute(q, (path, url))
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79 | 3d5906fe | Giorgos Korfiatis | logger.info('Public url set for path: %s' % path)
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80 | 2715ade4 | Sofia Papagiannaki | |
81 | a9b3f29d | Antony Chazapis | def public_unset(self, path): |
82 | 56f3c759 | Sofia Papagiannaki | q = "delete from public where path = ?"
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83 | 7a65e284 | Sofia Papagiannaki | c = self.execute(q, (path,))
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84 | 7a65e284 | Sofia Papagiannaki | if c.rowcount != 0: |
85 | 7a65e284 | Sofia Papagiannaki | logger.info('Public url unset for path: %s' % path)
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86 | 2715ade4 | Sofia Papagiannaki | |
87 | 4d15c94e | Sofia Papagiannaki | def public_unset_bulk(self, paths): |
88 | 4d15c94e | Sofia Papagiannaki | placeholders = ','.join('?' for path in paths) |
89 | 4a105ce2 | Sofia Papagiannaki | q = "delete from public where path in (%s)" % placeholders
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90 | 4d15c94e | Sofia Papagiannaki | self.execute(q, paths)
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91 | 2715ade4 | Sofia Papagiannaki | |
92 | bb4eafc6 | Antony Chazapis | def public_get(self, path): |
93 | 56f3c759 | Sofia Papagiannaki | q = "select url from public where path = ? and active = 1"
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94 | a9b3f29d | Antony Chazapis | self.execute(q, (path,))
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95 | bb4eafc6 | Antony Chazapis | row = self.fetchone()
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96 | bb4eafc6 | Antony Chazapis | if row:
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97 | bb4eafc6 | Antony Chazapis | return row[0] |
98 | bb4eafc6 | Antony Chazapis | return None |
99 | 2715ade4 | Sofia Papagiannaki | |
100 | 15a96c3e | Antony Chazapis | def public_list(self, prefix): |
101 | 29148653 | Sofia Papagiannaki | q = ("select path, url from public where "
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102 | 29148653 | Sofia Papagiannaki | "path like ? escape '\\' and active = 1")
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103 | 15a96c3e | Antony Chazapis | self.execute(q, (self.escape_like(prefix) + '%',)) |
104 | 15a96c3e | Antony Chazapis | return self.fetchall() |
105 | 2715ade4 | Sofia Papagiannaki | |
106 | bb4eafc6 | Antony Chazapis | def public_path(self, public): |
107 | 56f3c759 | Sofia Papagiannaki | q = "select path from public where url = ? and active = 1"
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108 | bb4eafc6 | Antony Chazapis | self.execute(q, (public,))
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109 | bb4eafc6 | Antony Chazapis | row = self.fetchone()
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110 | bb4eafc6 | Antony Chazapis | if row:
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111 | bb4eafc6 | Antony Chazapis | return row[0] |
112 | bb4eafc6 | Antony Chazapis | return None |