Esempio n. 1
0
File: group.py Progetto: masaar/limp
class Group(BaseModule):
    '''`Group` module provides data type and controller for groups in LIMP eco-system.'''
    collection = 'groups'
    attrs = {
        'user':
        ATTR.ID(desc='`_id` of `User` doc the doc belongs to.'),
        'name':
        ATTR.LOCALE(desc='Name of the groups as `LOCALE`.'),
        'desc':
        ATTR.LOCALE(
            desc=
            'Description of the group as `LOCALE`. This can be used for dynamic generated groups that are meant to be exposed to end-users.'
        ),
        'privileges':
        ATTR.DICT(
            desc='Privileges that any user is a member of the group has.',
            dict={
                '__key': ATTR.STR(),
                '__val': ATTR.LIST(list=[ATTR.STR()])
            }),
        'settings':
        ATTR.DICT(
            desc=
            '`Setting` docs to be created, or required for members users when added to the group.',
            dict={
                '__key': ATTR.STR(),
                '__val': ATTR.ANY()
            }),
        'create_time':
        ATTR.DATETIME(
            desc='Python `datetime` ISO format of the doc creation.'),
    }
    defaults = {
        'desc': {locale: ''
                 for locale in Config.locales},
        'privileges': {},
        'settings': {},
    }
    methods = {
        'read': {
            'permissions': [PERM(privilege='admin')]
        },
        'create': {
            'permissions': [PERM(privilege='admin')]
        },
        'update': {
            'permissions': [
                PERM(privilege='admin'),
                PERM(
                    privilege='update',
                    query_mod={'user': '******'},
                    doc_mod={'privileges': None},
                ),
            ],
            'query_args': {
                '_id': ATTR.ID()
            },
        },
        'delete': {
            'permissions': [
                PERM(privilege='admin'),
                PERM(privilege='delete', query_mod={'user': '******'}),
            ],
            'query_args': {
                '_id': ATTR.ID()
            },
        },
    }

    async def pre_create(self, skip_events, env, query, doc, payload):
        return (skip_events, env, query, doc, payload)

    async def pre_update(self, skip_events, env, query, doc, payload):
        # [DOC] Make sure no attrs overwriting would happen
        if 'attrs' in doc.keys():
            results = await self.read(skip_events=[Event.PERM],
                                      env=env,
                                      query=query)
            if not results.args.count:
                return self.status(status=400,
                                   msg='Group is invalid.',
                                   args={'code': 'INVALID_GROUP'})
            if results.args.count > 1:
                return self.status(
                    status=400,
                    msg=
                    'Updating group attrs can be done only to individual groups.',
                    args={'code': 'MULTI_ATTRS_UPDATE'},
                )
            results.args.docs[0]['attrs'].update({
                attr: doc['attrs'][attr]
                for attr in doc['attrs'].keys()
                if doc['attrs'][attr] != None and doc['attrs'][attr] != ''
            })
            doc['attrs'] = results.args.docs[0]['attrs']
        return (skip_events, env, query, doc, payload)
Esempio n. 2
0
File: user.py Progetto: masaar/limp
class User(BaseModule):
    '''`User` module provides data type and controller for users in LIMP eco-system. This module is supposed to be used for internal calls only, however it has wide-access permissions in order to allow admins, proxy modules to easily expose the methods.'''
    collection = 'users'
    attrs = {
        'name':
        ATTR.LOCALE(desc='Name of the user as `LOCALE`.'),
        'locale':
        ATTR.LOCALES(desc='Default locale of the user.'),
        'create_time':
        ATTR.DATETIME(
            desc='Python `datetime` ISO format of the doc creation.'),
        'login_time':
        ATTR.DATETIME(desc='Python `datetime` ISO format of the last login.'),
        'groups':
        ATTR.LIST(
            desc='List of `_id` for every group the user is member of.',
            list=[ATTR.ID(desc='`_id` of Group doc the user is member of.')]),
        'privileges':
        ATTR.DICT(
            desc=
            'Privileges of the user. These privileges are always available to the user regardless of whether groups user is part of have them or not.',
            dict={
                '__key': ATTR.STR(),
                '__val': ATTR.LIST(list=[ATTR.STR()])
            }),
        'status':
        ATTR.LITERAL(
            desc=
            'Status of the user to determine whether user has access to the app or not.',
            literal=['active', 'banned', 'deleted', 'disabled_password']),
    }
    defaults = {
        'login_time': None,
        'status': 'active',
        'groups': [],
        'privileges': {}
    }
    unique_attrs = []
    methods = {
        'read': {
            'permissions': [
                PERM(privilege='admin'),
                PERM(privilege='read', query_mod={'_id': '$__user'}),
            ]
        },
        'create': {
            'permissions': [PERM(privilege='admin')]
        },
        'update': {
            'permissions': [
                PERM(privilege='admin', doc_mod={'groups': None}),
                PERM(
                    privilege='update',
                    query_mod={'_id': '$__user'},
                    doc_mod={
                        'groups': None,
                        'privileges': None
                    },
                ),
            ],
            'query_args': {
                '_id': ATTR.ID()
            },
        },
        'delete': {
            'permissions': [
                PERM(privilege='admin'),
                PERM(privilege='delete', query_mod={'_id': '$__user'}),
            ],
            'query_args': {
                '_id': ATTR.ID()
            },
        },
        'read_privileges': {
            'permissions': [
                PERM(privilege='admin'),
                PERM(privilege='read', query_mod={'_id': '$__user'}),
            ],
            'query_args': {
                '_id': ATTR.ID()
            },
        },
        'add_group': {
            'permissions': [PERM(privilege='admin')],
            'query_args': {
                '_id': ATTR.ID()
            },
            'doc_args': [{
                'group': ATTR.ID()
            }, {
                'group': ATTR.LIST(list=[ATTR.ID()])
            }],
        },
        'delete_group': {
            'permissions': [PERM(privilege='admin')],
            'query_args': {
                '_id': ATTR.ID(),
                'group': ATTR.ID()
            },
        },
        'retrieve_file': {
            'permissions': [PERM(privilege='__sys')],
            'get_method': True
        },
        'create_file': {
            'permissions': [PERM(privilege='__sys')]
        },
        'delete_file': {
            'permissions': [PERM(privilege='__sys')]
        },
    }

    async def on_read(self, results, skip_events, env, query, doc, payload):
        for i in range(len(results['docs'])):
            user = results['docs'][i]
            user['settings'] = {}
            for auth_attr in Config.user_auth_attrs:
                del user[f'{auth_attr}_hash']
            if len(Config.user_doc_settings):
                setting_results = await Config.modules['setting'].read(
                    skip_events=[Event.PERM, Event.ARGS],
                    env=env,
                    query=[{
                        'user': user._id,
                        'var': {
                            '$in': Config.user_doc_settings
                        }
                    }],
                )
                if setting_results.args.count:
                    user['settings'] = {
                        setting_doc['var']: setting_doc['val']
                        for setting_doc in setting_results.args.docs
                    }
        return (results, skip_events, env, query, doc, payload)

    async def pre_create(self, skip_events, env, query, doc, payload):
        if Event.ARGS not in skip_events:
            if Config.realm:
                realm_results = await Config.modules['realm'].read(
                    skip_events=[Event.PERM], env=env)
                realm = realm_results.args.docs[0]
                doc['groups'] = [realm.default]
            else:
                doc['groups'] = [ObjectId('f00000000000000000000013')]
        if 'settings' in doc.keys():
            payload['settings'] = doc['settings']
        return (skip_events, env, query, doc, payload)

    async def on_create(self, results, skip_events, env, query, doc, payload):
        if 'settings' in payload.keys():
            for setting in payload['settings'].keys():
                if callable(payload['settings'][setting]['val']):
                    setting_val = payload['settings'][setting]['val'](
                        skip_events=skip_events, env=env, query=query, doc=doc)
                else:
                    setting_val = payload['settings'][setting]['val']
                setting_results = await Config.modules['setting'].create(
                    skip_events=[Event.PERM, Event.ARGS],
                    env=env,
                    doc={
                        'user': results['docs'][0]._id,
                        'var': setting,
                        'val': setting_val,
                        'type': payload['settings'][setting]['type'],
                    },
                )
                if setting_results.status != 200:
                    return setting_results
        return (results, skip_events, env, query, doc, payload)

    async def read_privileges(self, skip_events=[], env={}, query=[], doc={}):
        # [DOC] Confirm _id is valid
        results = await self.read(skip_events=[Event.PERM],
                                  env=env,
                                  query=[{
                                      '_id': query['_id'][0]
                                  }])
        if not results.args.count:
            return self.status(status=400,
                               msg='User is invalid.',
                               args={'code': 'INVALID_USER'})
        user = results.args.docs[0]
        for group in user.groups:
            group_results = await Config.modules['group'].read(
                skip_events=[Event.PERM], env=env, query=[{
                    '_id': group
                }])
            group = group_results.args.docs[0]
            for privilege in group.privileges.keys():
                if privilege not in user.privileges.keys():
                    user.privileges[privilege] = []
                for i in range(len(group.privileges[privilege])):
                    if group.privileges[privilege][i] not in user.privileges[
                            privilege]:
                        user.privileges[privilege].append(
                            group.privileges[privilege][i])
        return results

    async def add_group(self, skip_events=[], env={}, query=[], doc={}):
        # [DOC] Check for list group attr
        if type(doc['group']) == list:
            for i in range(0, len(doc['group']) - 1):
                await self.add_group(
                    skip_events=skip_events,
                    env=env,
                    query=query,
                    doc={'group': doc['group'][i]},
                )
            doc['group'] = doc['group'][-1]
        # [DOC] Confirm all basic args are provided
        doc['group'] = ObjectId(doc['group'])
        # [DOC] Confirm group is valid
        results = await Config.modules['group'].read(skip_events=[Event.PERM],
                                                     env=env,
                                                     query=[{
                                                         '_id': doc['group']
                                                     }])
        if not results.args.count:
            return self.status(status=400,
                               msg='Group is invalid.',
                               args={'code': 'INVALID_GROUP'})
        # [DOC] Get user details
        results = await self.read(skip_events=[Event.PERM],
                                  env=env,
                                  query=query)
        if not results.args.count:
            return self.status(status=400,
                               msg='User is invalid.',
                               args={'code': 'INVALID_USER'})
        user = results.args.docs[0]
        # [DOC] Confirm group was not added before
        if doc['group'] in user.groups:
            return self.status(
                status=400,
                msg='User is already a member of the group.',
                args={'code': 'GROUP_ADDED'},
            )
        user.groups.append(doc['group'])
        # [DOC] Update the user
        results = await self.update(skip_events=[Event.PERM],
                                    env=env,
                                    query=query,
                                    doc={'groups': user.groups})
        return results

    async def delete_group(self, skip_events=[], env={}, query=[], doc={}):
        # [DOC] Confirm group is valid
        results = await Config.modules['group'].read(skip_events=[Event.PERM],
                                                     env=env,
                                                     query=[{
                                                         '_id':
                                                         query['group'][0]
                                                     }])
        if not results.args.count:
            return self.status(status=400,
                               msg='Group is invalid.',
                               args={'code': 'INVALID_GROUP'})
        # [DOC] Get user details
        results = await self.read(skip_events=[Event.PERM],
                                  env=env,
                                  query=[{
                                      '_id': query['_id'][0]
                                  }])
        if not results.args.count:
            return self.status(status=400,
                               msg='User is invalid.',
                               args={'code': 'INVALID_USER'})
        user = results.args.docs[0]
        # [DOC] Confirm group was not added before
        if query['group'][0] not in user.groups:
            return self.status(
                status=400,
                msg='User is not a member of the group.',
                args={'code': 'GROUP_NOT_ADDED'},
            )
        # [DOC] Update the user
        results = await self.update(
            skip_events=[Event.PERM],
            env=env,
            query=[{
                '_id': query['_id'][0]
            }],
            doc={'groups': {
                '$remove': [query['group'][0]]
            }},
        )
        return results