VirtualMailManager/Domain.py
author Pascal Volk <neverseen@users.sourceforge.net>
Mon, 01 Sep 2008 03:11:23 +0000
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parent 58 1692da96ec17
child 76 14c0a092d7d2
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* 'create_optional_types_and_functions.pgsql' - Added to repository - To be continued …
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#!/usr/bin/env python
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# -*- coding: UTF-8 -*-
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# Copyright 2007-2008 VEB IT
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# See COPYING for distribution information.
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# $Id$
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"""Virtual Mail Manager's Domain class to manage e-mail domains."""
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from constants.VERSION import VERSION
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__author__ = 'Pascal Volk <p.volk@veb-it.de>'
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__version__ = VERSION
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__revision__ = 'rev '+'$Rev$'.split()[1]
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__date__ = '$Date$'.split()[1]
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from random import choice
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from Exceptions import VMMDomainException as VMMDE
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import constants.ERROR as ERR
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import VirtualMailManager as VMM
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from Transport import Transport
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MAILDIR_CHARS = '0123456789abcdefghijklmnopqrstuvwxyz'
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class Domain:
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    """Class to manage e-mail domains."""
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    def __init__(self, dbh, domainname, basedir=None, transport=None):
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        """Creates a new Domain instance.
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        Keyword arguments:
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        dbh -- a pyPgSQL.PgSQL.connection
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        domainname -- name of the domain (str)
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        transport -- default vmm.cfg/misc/transport  (str)
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        """
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        self._dbh = dbh
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        self._name = VMM.VirtualMailManager.chkDomainname(domainname)
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        self._basedir = basedir
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        if transport is not None:
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            self._transport = Transport(self._dbh, transport=transport)
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        else:
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            self._transport = transport
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        self._id = 0
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        self._domaindir = None
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        if not self._exists() and self._isAlias():
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            raise VMMDE(_(u"The domain »%s« is an alias domain.") %self._name,
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                    ERR.DOMAIN_ALIAS_EXISTS)
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    def _exists(self):
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        """Checks if the domain already exists.
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        If the domain exists _id will be set and returns True, otherwise False
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        will be returned.
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        """
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        dbc = self._dbh.cursor()
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        dbc.execute("SELECT gid, tid, domaindir FROM domain_data WHERE gid =\
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 (SELECT gid FROM domain_name WHERE domainname = %s AND is_primary)",
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                self._name)
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        result = dbc.fetchone()
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        dbc.close()
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        if result is not None:
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            self._id, self._domaindir = result[0], result[2]
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            self._transport = Transport(self._dbh, tid=result[1])
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            return True
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        else:
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            return False
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    def _isAlias(self):
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        """Checks if self._name is known for an alias domain."""
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        dbc = self._dbh.cursor()
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        dbc.execute('SELECT is_primary FROM domain_name WHERE domainname = %s',
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                self._name)
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        result = dbc.fetchone()
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        dbc.close()
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        if result is not None and not result[0]:
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            return True
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        else:
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            return False
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    def _setID(self):
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        """Sets the ID of the domain."""
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        dbc = self._dbh.cursor()
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        dbc.execute("SELECT nextval('domain_gid')")
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        self._id = dbc.fetchone()[0]
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        dbc.close()
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    def _prepare(self):
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        self._setID()
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        self._domaindir = "%s/%s/%i" % (self._basedir, choice(MAILDIR_CHARS),
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                self._id)
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    def _has(self, what):
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        """Checks if aliases or accounts are assigned to the domain.
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        If there are assigned accounts or aliases True will be returned,
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        otherwise False will be returned.
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        Keyword arguments:
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        what -- 'alias' or 'users' (strings)
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        """
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        if what not in ['alias', 'users']:
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            return False
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        dbc = self._dbh.cursor()
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        if what == 'users':
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            dbc.execute("SELECT count(gid) FROM users WHERE gid=%s", self._id)
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        else:
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            dbc.execute("SELECT count(gid) FROM alias WHERE gid=%s", self._id)
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        count = dbc.fetchone()
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        dbc.close()
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        if count[0] > 0:
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            return True
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        else:
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            return False
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    def _chkDelete(self, delUser, delAlias):
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        """Checks dependencies for deletion.
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        Keyword arguments:
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        delUser -- ignore available accounts (bool)
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        delAlias -- ignore available aliases (bool)
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        """
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        if not delUser:
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            hasUser = self._has('users')
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        else:
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            hasUser = False
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        if not delAlias:
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            hasAlias = self._has('alias')
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        else:
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            hasAlias = False
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        if hasUser and hasAlias:
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            raise VMMDE(_(u'There are accounts and aliases.'),
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                ERR.ACCOUNT_AND_ALIAS_PRESENT)
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        elif hasUser:
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            raise VMMDE(_(u'There are accounts.'),
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                ERR.ACCOUNT_PRESENT)
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        elif hasAlias:
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            raise VMMDE(_(u'There are aliases.'),
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                ERR.ALIAS_PRESENT)
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    def save(self):
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        """Stores the new domain in the database."""
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        if self._id < 1:
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            self._prepare()
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            dbc = self._dbh.cursor()
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            dbc.execute("INSERT INTO domain_data (gid, tid, domaindir)\
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 VALUES (%s, %s, %s)", self._id, self._transport.getID(), self._domaindir)
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   146
            dbc.execute("INSERT INTO domain_name (domainname, gid, is_primary)\
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 VALUES (%s, %s, %s)", self._name, self._id, True)
0
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            self._dbh.commit()
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            dbc.close()
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   150
        else:
50
927b0705d31a * 'VirtualMailManager/Domain.py'
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   151
            raise VMMDE(_(u'The domain »%s« already exists.') % self._name,
48
0d5f58f8b8f5 * 'VirtualMailManager/Exceptions.py'
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                ERR.DOMAIN_EXISTS)
0
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bb0aa2102206 Initial import @sf.net
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    def delete(self, delUser=False, delAlias=False):
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        """Deletes the domain.
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        Keyword arguments:
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        delUser -- force deletion of available accounts (bool)
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        delAlias -- force deletion of available aliases (bool)
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        """
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        if self._id > 0:
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            self._chkDelete(delUser, delAlias)
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            dbc = self._dbh.cursor()
45
9e66138aad0b * 'VirtualMailManager/VirtualMailManager.py'
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   164
            for t in ('alias','users','relocated','domain_name','domain_data'):
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                dbc.execute("DELETE FROM %s WHERE gid = %d" % (t, self._id))
0
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            self._dbh.commit()
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            dbc.close()
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   168
        else:
50
927b0705d31a * 'VirtualMailManager/Domain.py'
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            raise VMMDE(_(u"The domain »%s« doesn't exist yet.") % self._name,
48
0d5f58f8b8f5 * 'VirtualMailManager/Exceptions.py'
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                ERR.NO_SUCH_DOMAIN)
0
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   171
50
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    def updateTransport(self, transport, force=False):
0
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        """Sets a new transport for the domain.
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        Keyword arguments:
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        transport -- the new transport (str)
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        force -- True/False force new transport for all accounts (bool)
0
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        """
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        if self._id > 0:
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            trsp = Transport(self._dbh, transport=transport)
0
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   181
            dbc = self._dbh.cursor()
43
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   182
            dbc.execute("UPDATE domain_data SET tid = %s WHERE gid = %s",
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                    trsp.getID(), self._id)
0
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   184
            if dbc.rowcount > 0:
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   185
                self._dbh.commit()
18
c98e08791ee8 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   186
            if force:
43
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   187
                dbc.execute("UPDATE users SET tid = %s WHERE gid = %s",
18
c98e08791ee8 * 'VirtualMailManager/VirtualMailManager.py'
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   188
                        trsp.getID(), self._id)
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   189
                if dbc.rowcount > 0:
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   190
                    self._dbh.commit()
0
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   191
            dbc.close()
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diff changeset
   192
        else:
50
927b0705d31a * 'VirtualMailManager/Domain.py'
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diff changeset
   193
            raise VMMDE(_(u"The domain »%s« doesn't exist yet.") % self._name,
48
0d5f58f8b8f5 * 'VirtualMailManager/Exceptions.py'
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   194
                ERR.NO_SUCH_DOMAIN)
0
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   195
bb0aa2102206 Initial import @sf.net
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   196
    def getID(self):
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        """Returns the ID of the domain."""
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   198
        return self._id
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   199
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    def getDir(self):
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        """Returns the directory of the domain."""
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   202
        return self._domaindir
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   203
9
e3d3dbeb5b84 * 'create_tables.pgsql'
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   204
    def getTransport(self):
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   205
        """Returns domain's transport."""
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diff changeset
   206
        return self._transport.getTransport()
e3d3dbeb5b84 * 'create_tables.pgsql'
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   207
e3d3dbeb5b84 * 'create_tables.pgsql'
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   208
    def getTransportID(self):
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   209
        """Returns the ID from the domain's transport."""
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   210
        return self._transport.getID()
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diff changeset
   211
0
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   212
    def getInfo(self):
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   213
        """Returns a dictionary with information about the domain."""
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   214
        sql = """\
44
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   215
SELECT gid, domainname, transport, domaindir, aliasdomains, accounts, aliases
9
e3d3dbeb5b84 * 'create_tables.pgsql'
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diff changeset
   216
  FROM vmm_domain_info
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diff changeset
   217
 WHERE gid = %i""" % self._id
0
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   218
        dbc = self._dbh.cursor()
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   219
        dbc.execute(sql)
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diff changeset
   220
        info = dbc.fetchone()
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parents:
diff changeset
   221
        dbc.close()
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diff changeset
   222
        if info is None:
50
927b0705d31a * 'VirtualMailManager/Domain.py'
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parents: 48
diff changeset
   223
            raise VMMDE(_(u"The domain »%s« doesn't exist yet.") % self._name,
927b0705d31a * 'VirtualMailManager/Domain.py'
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parents: 48
diff changeset
   224
                    ERR.NO_SUCH_DOMAIN)
0
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diff changeset
   225
        else:
44
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   226
            keys = ['gid', 'domainname', 'transport', 'domaindir',
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   227
                    'aliasdomains', 'accounts', 'aliases']
0
bb0aa2102206 Initial import @sf.net
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diff changeset
   228
            return dict(zip(keys, info))
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diff changeset
   229
bb0aa2102206 Initial import @sf.net
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parents:
diff changeset
   230
    def getAccounts(self):
bb0aa2102206 Initial import @sf.net
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parents:
diff changeset
   231
        """Returns a list with all accounts from the domain."""
bb0aa2102206 Initial import @sf.net
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diff changeset
   232
        dbc = self._dbh.cursor()
44
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   233
        dbc.execute("SELECT local_part from users where gid = %s ORDER BY\
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   234
 local_part", self._id)
0
bb0aa2102206 Initial import @sf.net
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parents:
diff changeset
   235
        users = dbc.fetchall()
bb0aa2102206 Initial import @sf.net
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parents:
diff changeset
   236
        dbc.close()
bb0aa2102206 Initial import @sf.net
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diff changeset
   237
        accounts = []
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parents:
diff changeset
   238
        if len(users) > 0:
bb0aa2102206 Initial import @sf.net
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parents:
diff changeset
   239
            for account in users:
44
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   240
                accounts.append('%s@%s' % (account[0], self._name))
0
bb0aa2102206 Initial import @sf.net
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parents:
diff changeset
   241
        return accounts
bb0aa2102206 Initial import @sf.net
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parents:
diff changeset
   242
bb0aa2102206 Initial import @sf.net
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parents:
diff changeset
   243
    def getAliases(self):
bb0aa2102206 Initial import @sf.net
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diff changeset
   244
        """Returns a list with all aliases from the domain."""
bb0aa2102206 Initial import @sf.net
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parents:
diff changeset
   245
        dbc = self._dbh.cursor()
58
1692da96ec17 * 'VirtualMailManager/Domain.py'
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parents: 56
diff changeset
   246
        dbc.execute("SELECT DISTINCT address FROM alias WHERE gid = %s\
1692da96ec17 * 'VirtualMailManager/Domain.py'
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diff changeset
   247
 ORDER BY address",  self._id)
0
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diff changeset
   248
        addresses = dbc.fetchall()
bb0aa2102206 Initial import @sf.net
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parents:
diff changeset
   249
        dbc.close()
bb0aa2102206 Initial import @sf.net
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diff changeset
   250
        aliases = []
bb0aa2102206 Initial import @sf.net
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parents:
diff changeset
   251
        if len(addresses) > 0:
bb0aa2102206 Initial import @sf.net
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parents:
diff changeset
   252
            for alias in addresses:
44
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   253
                aliases.append('%s@%s' % (alias[0], self._name))
0
bb0aa2102206 Initial import @sf.net
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parents:
diff changeset
   254
        return aliases
35
22cc616aef61 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 34
diff changeset
   255
44
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   256
    def getAliaseNames(self):
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   257
        """Returns a list with all alias names from the domain."""
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   258
        dbc = self._dbh.cursor()
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   259
        dbc.execute("SELECT domainname FROM domain_name WHERE gid = %s\
56
9ae1b1b2ee5c * 'VirtualMailManager/AliasDomain.py'
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parents: 53
diff changeset
   260
 AND NOT is_primary ORDER BY domainname", self._id)
44
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   261
        anames = dbc.fetchall()
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   262
        dbc.close()
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   263
        aliasdomains = []
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diff changeset
   264
        if len(anames) > 0:
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parents: 43
diff changeset
   265
            for aname in anames:
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diff changeset
   266
                aliasdomains.append(aname[0])
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   267
        return aliasdomains
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   268
35
22cc616aef61 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 34
diff changeset
   269
def search(dbh, pattern=None, like=False):
50
927b0705d31a * 'VirtualMailManager/Domain.py'
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parents: 48
diff changeset
   270
    if pattern is not None and like is False: 
927b0705d31a * 'VirtualMailManager/Domain.py'
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parents: 48
diff changeset
   271
        pattern = VMM.VirtualMailManager.chkDomainname(pattern)
44
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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   272
    sql = 'SELECT gid, domainname, is_primary FROM domain_name'
35
22cc616aef61 * 'VirtualMailManager/VirtualMailManager.py'
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   273
    if pattern is None:
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   274
        pass
22cc616aef61 * 'VirtualMailManager/VirtualMailManager.py'
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   275
    elif like:
22cc616aef61 * 'VirtualMailManager/VirtualMailManager.py'
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   276
        sql += " WHERE domainname LIKE '%s'" % pattern
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diff changeset
   277
    else:
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diff changeset
   278
        sql += " WHERE domainname = '%s'" % pattern
44
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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   279
    sql += ' ORDER BY is_primary DESC, domainname'
35
22cc616aef61 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   280
    dbc = dbh.cursor()
22cc616aef61 * 'VirtualMailManager/VirtualMailManager.py'
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   281
    dbc.execute(sql)
44
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   282
    doms = dbc.fetchall()
35
22cc616aef61 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   283
    dbc.close()
44
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   284
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   285
    domdict = {}
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   286
    order = [dom[0] for dom in doms if dom[2]]
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   287
    if len(order) == 0:
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   288
        for dom in doms:
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   289
            if dom[0] not in order:
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   290
                order.append(dom[0])
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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parents: 43
diff changeset
   291
    for gid, dom, is_primary in doms:
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   292
        if is_primary:
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diff changeset
   293
            domdict[gid] = [dom]
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diff changeset
   294
        else:
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   295
            try:
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   296
                domdict[gid].append(dom)
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   297
            except KeyError:
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   298
                domdict[gid] = [None, dom]
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   299
    del doms
c9ab6900ede9 * 'VirtualMailManager/VirtualMailManager.py'
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diff changeset
   300
    return order, domdict
45
9e66138aad0b * 'VirtualMailManager/VirtualMailManager.py'
Pascal Volk <neverseen@users.sourceforge.net>
parents: 44
diff changeset
   301