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Viewing changes to userdb/query.py

  • Committer: William Grant
  • Date: 2009-12-08 10:05:52 UTC
  • Revision ID: grantw@unimelb.edu.au-20091208100552-51qd6m3pl3h2owkk
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userdb/query.py
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import pg
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def getCredentials(db, login):
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    cred = {}
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    res = db.query('SELECT users.nick FROM users WHERE users.login=\'' + login + '\'').dictresult()
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    if len(res) <> 1:
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        return None
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    cred['nick'] = res[0]['nick']
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    res = db.query('SELECT groupid FROM group_members WHERE login=\'' + login + '\'').dictresult()
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    cred['groups'] = map(lambda x: x.get('groupid'), res)
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    res = db.query('SELECT role FROM roles WHERE login=\'' + login + '\'').dictresult()
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    if len(res) <> 1:
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        return None
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    cred['role'] = res[0]['role']
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    return cred
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def contains(m, l):
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    for i in l:
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        if m == i:
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            return True
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    return False
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db = pg.connect('tom', 'localhost', 5432, None, None, 'tom', 'sh0r3ham')
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c = getCredentials(db, 'conway')
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if c['role'] != 'student' or contains('2007-INFO10001-321', c['groups']):
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    print c['nick'] + ' may view files for group \'2007-INFO10001-321\'.'
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