1 | #!/usr/bin/env python |
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2 | # -*- coding: utf-8 -*- |
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3 | |||
4 | import logging |
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5 | logger = logging.getLogger(__name__) |
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6 | logger.debug("%s loaded", __name__) |
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7 | |||
8 | import time # session timestamp |
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9 | |||
10 | from doorpi.action.base import SingleAction |
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11 | import doorpi |
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12 | |||
13 | CONF_AREA_PREFIX = 'AREA_' |
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14 | |||
15 | class SessionHandler: |
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16 | |||
17 | _Sessions = {} |
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18 | |||
19 | @property |
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20 | def config(self): return doorpi.DoorPi().config |
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21 | |||
22 | @property |
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23 | def session_ids(self): return self._Sessions.keys() |
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24 | |||
25 | @property |
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26 | def sessions(self): return self._Sessions |
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27 | |||
28 | def __init__(self): |
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29 | doorpi.DoorPi().event_handler.register_event('WebServerCreateNewSession', __name__) |
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30 | doorpi.DoorPi().event_handler.register_event('WebServerAuthUnknownUser', __name__) |
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31 | doorpi.DoorPi().event_handler.register_event('WebServerAuthWrongPassword', __name__) |
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32 | |||
33 | def destroy(self): |
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34 | doorpi.DoorPi().event_handler.unregister_source(__name__, True) |
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35 | |||
36 | __del__ = destroy |
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37 | |||
38 | def get_session(self, session_id): |
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39 | if session_id in self._Sessions: |
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40 | logger.trace('session %s found: %s', session_id, self._Sessions[session_id]) |
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41 | return self._Sessions[session_id] |
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42 | else: |
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43 | logger.trace('no session with session id %s found', session_id) |
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44 | return None |
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45 | |||
46 | __call__ = get_session |
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47 | |||
48 | def exists_session(self, session_id): |
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49 | return session_id in self._Sessions |
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50 | |||
51 | def build_security_object(self, username, password, remote_client = ''): |
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52 | if not len(self.config.get_keys('User')): |
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53 | self.config.set_value(section = 'User', key = 'door', value = 'pi', password = True) |
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54 | self.config.set_value(section = 'Group', key = 'administrator', value = 'door') |
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55 | self.config.set_value(section = 'WritePermission', key = 'administrator', value = 'installer') |
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56 | self.config.set_value(section = 'AREA_installer', key = '.*', value = '') |
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57 | |||
58 | groups_with_write_permissions = self.config.get_keys('WritePermission') |
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59 | groups_with_read_permissions = self.config.get_keys('ReadPermission') |
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60 | groups = self.config.get_keys('Group') |
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61 | users = self.config.get_keys('User') |
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62 | |||
63 | if not username in users: |
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64 | doorpi.DoorPi().event_handler('WebServerAuthUnknownUser', __name__, { |
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65 | 'username': username, |
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66 | 'remote_client': remote_client |
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67 | }) |
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68 | return None |
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69 | |||
70 | real_password = self.config.get('User', username, password = True) |
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71 | if real_password != password: |
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72 | doorpi.DoorPi().event_handler('WebServerAuthWrongPassword', __name__, { |
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73 | 'username': username, |
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74 | 'password': password, |
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75 | 'remote_client': remote_client |
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76 | }) |
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77 | return None |
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78 | |||
79 | web_session = dict( |
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80 | username = username, |
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81 | remote_client = remote_client, |
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82 | session_starttime = time.time(), |
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83 | readpermissions = [], |
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84 | writepermissions = [], |
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85 | groups = [] |
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86 | ) |
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87 | |||
88 | for group in groups: |
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89 | users_in_group = self.config.get_list('Group', group) |
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90 | if username in users_in_group: web_session['groups'].append(group) |
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91 | |||
92 | for group in groups_with_read_permissions: |
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93 | if group in web_session['groups']: |
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94 | modules = self.config.get_list('ReadPermission', group) |
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95 | for modul in modules: |
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96 | web_session['readpermissions'].extend( |
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97 | self.config.get_keys(CONF_AREA_PREFIX+modul) |
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98 | ) |
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99 | |||
100 | for group in groups_with_write_permissions: |
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101 | if group in web_session['groups']: |
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102 | modules = self.config.get_list('WritePermission', group) |
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103 | for modul in modules: |
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104 | web_session['writepermissions'].extend( |
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105 | self.config.get_keys(CONF_AREA_PREFIX+modul) |
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106 | ) |
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107 | web_session['readpermissions'].extend( |
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108 | self.config.get_keys(CONF_AREA_PREFIX+modul) |
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109 | ) |
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110 | |||
111 | web_session['readpermissions'] = list(set(web_session['readpermissions'])) |
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112 | web_session['readpermissions'].sort() |
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113 | web_session['writepermissions'] = list(set(web_session['writepermissions'])) |
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114 | web_session['writepermissions'].sort() |
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115 | |||
116 | doorpi.DoorPi().event_handler('WebServerCreateNewSession', __name__, { |
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117 | 'session': web_session |
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118 | }) |
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119 | |||
120 | self._Sessions[web_session['username']] = web_session |
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121 | return web_session |
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122 |