root / snf-pithos-backend / pithos / backends / lib / sqlite / public.py @ 4a105ce2
History | View | Annotate | Download (4.1 kB)
1 | 2e662088 | Antony Chazapis | # Copyright 2011-2012 GRNET S.A. All rights reserved.
|
---|---|---|---|
2 | 2715ade4 | Sofia Papagiannaki | #
|
3 | a9b3f29d | Antony Chazapis | # Redistribution and use in source and binary forms, with or
|
4 | a9b3f29d | Antony Chazapis | # without modification, are permitted provided that the following
|
5 | a9b3f29d | Antony Chazapis | # conditions are met:
|
6 | 2715ade4 | Sofia Papagiannaki | #
|
7 | a9b3f29d | Antony Chazapis | # 1. Redistributions of source code must retain the above
|
8 | a9b3f29d | Antony Chazapis | # copyright notice, this list of conditions and the following
|
9 | a9b3f29d | Antony Chazapis | # disclaimer.
|
10 | 2715ade4 | Sofia Papagiannaki | #
|
11 | a9b3f29d | Antony Chazapis | # 2. Redistributions in binary form must reproduce the above
|
12 | a9b3f29d | Antony Chazapis | # copyright notice, this list of conditions and the following
|
13 | a9b3f29d | Antony Chazapis | # disclaimer in the documentation and/or other materials
|
14 | a9b3f29d | Antony Chazapis | # provided with the distribution.
|
15 | 2715ade4 | Sofia Papagiannaki | #
|
16 | a9b3f29d | Antony Chazapis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
|
17 | a9b3f29d | Antony Chazapis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
18 | a9b3f29d | Antony Chazapis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
19 | a9b3f29d | Antony Chazapis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
|
20 | a9b3f29d | Antony Chazapis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
21 | a9b3f29d | Antony Chazapis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
22 | a9b3f29d | Antony Chazapis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
23 | a9b3f29d | Antony Chazapis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
24 | a9b3f29d | Antony Chazapis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
25 | a9b3f29d | Antony Chazapis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
26 | a9b3f29d | Antony Chazapis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
27 | a9b3f29d | Antony Chazapis | # POSSIBILITY OF SUCH DAMAGE.
|
28 | 2715ade4 | Sofia Papagiannaki | #
|
29 | a9b3f29d | Antony Chazapis | # The views and conclusions contained in the software and
|
30 | a9b3f29d | Antony Chazapis | # documentation are those of the authors and should not be
|
31 | a9b3f29d | Antony Chazapis | # interpreted as representing official policies, either expressed
|
32 | a9b3f29d | Antony Chazapis | # or implied, of GRNET S.A.
|
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 | a9b3f29d | Antony Chazapis | class Public(DBWorker): |
43 | a9b3f29d | Antony Chazapis | """Paths can be marked as public."""
|
44 | 2715ade4 | Sofia Papagiannaki | |
45 | a9b3f29d | Antony Chazapis | def __init__(self, **params): |
46 | a9b3f29d | Antony Chazapis | DBWorker.__init__(self, **params)
|
47 | a9b3f29d | Antony Chazapis | execute = self.execute
|
48 | 2715ade4 | Sofia Papagiannaki | |
49 | a9b3f29d | Antony Chazapis | execute(""" create table if not exists public
|
50 | bb4eafc6 | Antony Chazapis | ( public_id integer primary key autoincrement,
|
51 | af75e8a5 | Antony Chazapis | path text not null,
|
52 | 56f3c759 | Sofia Papagiannaki | active boolean not null default 1,
|
53 | 56f3c759 | Sofia Papagiannaki | url text) """)
|
54 | bb4eafc6 | Antony Chazapis | execute(""" create unique index if not exists idx_public_path
|
55 | bb4eafc6 | Antony Chazapis | on public(path) """)
|
56 | 56f3c759 | Sofia Papagiannaki | execute(""" create unique index if not exists idx_public_url
|
57 | 56f3c759 | Sofia Papagiannaki | on public(url) """)
|
58 | 2715ade4 | Sofia Papagiannaki | |
59 | 4a105ce2 | Sofia Papagiannaki | def get_unique_url(self, public_url_security, public_url_alphabet): |
60 | 4a105ce2 | Sofia Papagiannaki | l = public_url_security |
61 | 56f3c759 | Sofia Papagiannaki | while 1: |
62 | 4a105ce2 | Sofia Papagiannaki | candidate = get_random_word(length=l, alphabet=public_url_alphabet) |
63 | 56f3c759 | Sofia Papagiannaki | if self.public_path(candidate) is None: |
64 | 56f3c759 | Sofia Papagiannaki | return candidate
|
65 | 56f3c759 | Sofia Papagiannaki | l +=1
|
66 | 56f3c759 | Sofia Papagiannaki | |
67 | 4a105ce2 | Sofia Papagiannaki | def public_set(self, path, public_url_security, public_url_alphabet): |
68 | 56f3c759 | Sofia Papagiannaki | q = "select public_id from public where path = ?"
|
69 | af75e8a5 | Antony Chazapis | self.execute(q, (path,))
|
70 | 56f3c759 | Sofia Papagiannaki | row = self.fetchone()
|
71 | 56f3c759 | Sofia Papagiannaki | |
72 | 56f3c759 | Sofia Papagiannaki | if not row: |
73 | 56f3c759 | Sofia Papagiannaki | url = self.get_unique_url(
|
74 | 4a105ce2 | Sofia Papagiannaki | public_url_security, public_url_alphabet |
75 | 56f3c759 | Sofia Papagiannaki | ) |
76 | 4a105ce2 | Sofia Papagiannaki | q = "insert into public(path, active, url) values(?, 1, ?)"
|
77 | 4a105ce2 | Sofia Papagiannaki | self.execute(q, (path, url))
|
78 | 4a105ce2 | Sofia Papagiannaki | logger.info('Public url: %s set for path: %s' % (url, path))
|
79 | 2715ade4 | Sofia Papagiannaki | |
80 | a9b3f29d | Antony Chazapis | def public_unset(self, path): |
81 | 56f3c759 | Sofia Papagiannaki | q = "delete from public where path = ?"
|
82 | a9b3f29d | Antony Chazapis | self.execute(q, (path,))
|
83 | 4a105ce2 | Sofia Papagiannaki | logger.info('Public url unset for path: %s' % (path))
|
84 | 2715ade4 | Sofia Papagiannaki | |
85 | 4d15c94e | Sofia Papagiannaki | def public_unset_bulk(self, paths): |
86 | 4d15c94e | Sofia Papagiannaki | placeholders = ','.join('?' for path in paths) |
87 | 4a105ce2 | Sofia Papagiannaki | q = "delete from public where path in (%s)" % placeholders
|
88 | 4d15c94e | Sofia Papagiannaki | self.execute(q, paths)
|
89 | 2715ade4 | Sofia Papagiannaki | |
90 | bb4eafc6 | Antony Chazapis | def public_get(self, path): |
91 | 56f3c759 | Sofia Papagiannaki | q = "select url from public where path = ? and active = 1"
|
92 | a9b3f29d | Antony Chazapis | self.execute(q, (path,))
|
93 | bb4eafc6 | Antony Chazapis | row = self.fetchone()
|
94 | bb4eafc6 | Antony Chazapis | if row:
|
95 | bb4eafc6 | Antony Chazapis | return row[0] |
96 | bb4eafc6 | Antony Chazapis | return None |
97 | 2715ade4 | Sofia Papagiannaki | |
98 | 15a96c3e | Antony Chazapis | def public_list(self, prefix): |
99 | 56f3c759 | Sofia Papagiannaki | q = "select path, url from public where path like ? escape '\\' and active = 1"
|
100 | 15a96c3e | Antony Chazapis | self.execute(q, (self.escape_like(prefix) + '%',)) |
101 | 15a96c3e | Antony Chazapis | return self.fetchall() |
102 | 2715ade4 | Sofia Papagiannaki | |
103 | bb4eafc6 | Antony Chazapis | def public_path(self, public): |
104 | 56f3c759 | Sofia Papagiannaki | q = "select path from public where url = ? and active = 1"
|
105 | bb4eafc6 | Antony Chazapis | self.execute(q, (public,))
|
106 | bb4eafc6 | Antony Chazapis | row = self.fetchone()
|
107 | bb4eafc6 | Antony Chazapis | if row:
|
108 | bb4eafc6 | Antony Chazapis | return row[0] |
109 | bb4eafc6 | Antony Chazapis | return None |