motom001 /
DoorPi
| Conditions | 12 |
| Total Lines | 71 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
Complex classes like SessionHandler.build_security_object() often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
| 1 | #!/usr/bin/env python |
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| 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 |
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