Mercurial > kallithea
annotate rhodecode/lib/auth_ldap.py @ 781:7ae66bddf48d beta
fixed db manage, to work on other databases than sqlite
author | Marcin Kuzminski <marcin@python-works.com> |
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date | Sat, 27 Nov 2010 16:12:26 +0100 |
parents | aaf2fc59a39a |
children | 22eca93bea97 |
rev | line source |
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1 #!/usr/bin/env python |
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2 # encoding: utf-8 |
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3 # ldap authentication lib |
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4 # Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com> |
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5 # |
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6 # This program is free software; you can redistribute it and/or |
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7 # modify it under the terms of the GNU General Public License |
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8 # as published by the Free Software Foundation; version 2 |
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9 # of the License or (at your opinion) any later version of the license. |
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10 # |
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11 # This program is distributed in the hope that it will be useful, |
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 # GNU General Public License for more details. |
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15 # |
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16 # You should have received a copy of the GNU General Public License |
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17 # along with this program; if not, write to the Free Software |
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18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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19 # MA 02110-1301, USA. |
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20 """ |
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21 Created on Nov 17, 2010 |
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22 |
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23 @author: marcink |
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24 """ |
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25 |
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26 from rhodecode.lib.exceptions import * |
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27 import logging |
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28 |
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29 log = logging.getLogger(__name__) |
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30 |
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31 try: |
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32 import ldap |
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33 except ImportError: |
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34 pass |
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35 |
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36 class AuthLdap(object): |
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37 |
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38 def __init__(self, server, base_dn, port=389, bind_dn='', bind_pass='', |
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39 use_ldaps=False, ldap_version=3): |
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40 self.ldap_version = ldap_version |
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41 if use_ldaps: |
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42 port = port or 689 |
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43 self.LDAP_USE_LDAPS = use_ldaps |
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44 self.LDAP_SERVER_ADDRESS = server |
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45 self.LDAP_SERVER_PORT = port |
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46 |
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47 #USE FOR READ ONLY BIND TO LDAP SERVER |
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48 self.LDAP_BIND_DN = bind_dn |
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49 self.LDAP_BIND_PASS = bind_pass |
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50 |
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51 ldap_server_type = 'ldap' |
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52 if self.LDAP_USE_LDAPS:ldap_server_type = ldap_server_type + 's' |
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53 self.LDAP_SERVER = "%s://%s:%s" % (ldap_server_type, |
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54 self.LDAP_SERVER_ADDRESS, |
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55 self.LDAP_SERVER_PORT) |
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56 |
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57 self.BASE_DN = base_dn |
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58 |
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59 def authenticate_ldap(self, username, password): |
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60 """Authenticate a user via LDAP and return his/her LDAP properties. |
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61 |
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62 Raises AuthenticationError if the credentials are rejected, or |
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63 EnvironmentError if the LDAP server can't be reached. |
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64 |
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65 :param username: username |
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66 :param password: password |
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67 """ |
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68 |
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69 from rhodecode.lib.helpers import chop_at |
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70 |
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71 uid = chop_at(username, "@%s" % self.LDAP_SERVER_ADDRESS) |
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72 |
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73 if "," in username: |
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74 raise LdapUsernameError("invalid character in username: ,") |
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75 try: |
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76 ldap.set_option(ldap.OPT_X_TLS_CACERTDIR, '/etc/openldap/cacerts') |
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77 ldap.set_option(ldap.OPT_NETWORK_TIMEOUT, 10) |
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78 server = ldap.initialize(self.LDAP_SERVER) |
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79 if self.ldap_version == 2: |
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80 server.protocol = ldap.VERSION2 |
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81 else: |
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82 server.protocol = ldap.VERSION3 |
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83 |
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84 if self.LDAP_BIND_DN and self.LDAP_BIND_PASS: |
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85 login_dn = self.BASE_DN % {'user':uid} |
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86 server.simple_bind_s(login_dn, self.LDAP_BIND_PASS) |
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87 |
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88 dn = self.BASE_DN % {'user':uid} |
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89 log.debug("Authenticating %r at %s", dn, self.LDAP_SERVER) |
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90 server.simple_bind_s(dn, password) |
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91 |
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92 properties = server.search_s(dn, ldap.SCOPE_SUBTREE) |
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93 if not properties: |
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94 raise ldap.NO_SUCH_OBJECT() |
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95 except ldap.NO_SUCH_OBJECT, e: |
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96 log.debug("LDAP says no such user '%s' (%s)", uid, username) |
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97 raise LdapUsernameError() |
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98 except ldap.INVALID_CREDENTIALS, e: |
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99 log.debug("LDAP rejected password for user '%s' (%s)", uid, username) |
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100 raise LdapPasswordError() |
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101 except ldap.SERVER_DOWN, e: |
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102 raise LdapConnectionError("LDAP can't access authentication server") |
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103 |
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104 return properties[0] |
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105 |