990 lines
44 KiB
Python
990 lines
44 KiB
Python
# This file is part of Radicale Server - Calendar Server
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# Copyright © 2026-2026 Peter Bieringer <pb@bieringer.de>
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Radicale. If not, see <http://www.gnu.org/licenses/>.
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import base64
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import io
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import json
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import logging
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import re
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import socket
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import uuid
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from csv import DictWriter
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from datetime import datetime
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from http import client
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from typing import Sequence, Union
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from urllib.parse import parse_qs
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from radicale import (config, httputils, pathutils, rights, storage, types,
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utils)
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from radicale.log import logger
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INTERNAL_TYPES: Sequence[str] = ("csv", "files", "none")
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DB_FIELDS_V1: Sequence[str] = ('ShareType', 'PathOrToken', 'PathMapped', 'Owner', 'User', 'Permissions', 'EnabledByOwner', 'EnabledByUser', 'HiddenByOwner', 'HiddenByUser', 'TimestampCreated', 'TimestampUpdated', 'Properties')
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DB_FIELDS_V1_BOOL: Sequence[str] = ('EnabledByOwner', 'EnabledByUser', 'HiddenByOwner', 'HiddenByUser')
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DB_FIELDS_V1_INT: Sequence[str] = ('TimestampCreated', 'TimestampUpdated')
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# ShareType: <token|map>
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# PathOrToken: <path|token> [PrimaryKey]
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# PathMapped: <path>
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# Owner: <owner> (creator of database entry)
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# User: <user> (user of database entry)
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# Permissions: <radicale permission string>
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# EnabledByOwner: True|False (share status "invite/grant")
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# EnabledByUser: True|False (share status "accept") - check skipped of Owner==User
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# HiddenByOwner: True|False (share exposure controlled by owner)
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# HiddenByUser: True|False (share exposure controlled by user) - check skipped if Owner==User
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# TimestampCreated: <unixtime> (when created)
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# TimestampUpdated: <unixtime> (last update)
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SHARE_TYPES: Sequence[str] = ('token', 'map', 'all')
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SHARE_TYPES_V1: Sequence[str] = ('token', 'map')
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# token: share by secret token (does not require authentication)
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# map : share by mapping collection of one user to another as virtual
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# all : only supported for "list" and "info"
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OUTPUT_TYPES: Sequence[str] = ('csv', 'json', 'txt')
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API_HOOKS_V1: Sequence[str] = ('list', 'create', 'delete', 'update', 'hide', 'unhide', 'enable', 'disable', 'info')
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# list : list sharings (optional filtered)
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# create : create share by token or map
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# delete : delete share
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# update : update share
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# hide : hide share (by user or owner)
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# unhide : unhide share (by user or owner)
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# enable : hide share (by user or owner)
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# disable: unhide share (by user or owner)
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# info : display support status and permissions
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API_SHARE_TOGGLES_V1: Sequence[str] = ('hide', 'unhide', 'enable', 'disable')
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TOKEN_PATTERN_V1: str = "(v1/[a-zA-Z0-9_=\\-]{44})"
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PATH_PATTERN: str = "([a-zA-Z0-9/.\\-]+)" # TODO: extend or find better source
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USER_PATTERN: str = "([a-zA-Z0-9@]+)" # TODO: extend or find better source
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OVERLAY_PROPERTIES_WHITELIST: Sequence[str] = ("C:calendar-description", "ICAL:calendar-color", "CR:addressbook-description", "INF:addressbook-color")
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def load(configuration: "config.Configuration") -> "BaseSharing":
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"""Load the sharing database module chosen in configuration."""
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return utils.load_plugin(INTERNAL_TYPES, "sharing", "Sharing", BaseSharing, configuration)
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class BaseSharing:
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_storage: storage.BaseStorage
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_rights: rights.BaseRights
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_enabled: bool = False
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def __init__(self, configuration: "config.Configuration") -> None:
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"""Initialize Sharing.
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``configuration`` see ``radicale.config`` module.
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The ``configuration`` must not change during the lifetime of
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this object, it is kept as an internal reference.
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"""
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self.configuration = configuration
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self._rights = rights.load(configuration)
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self._storage = storage.load(configuration)
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# Sharing
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self.sharing_collection_by_map = configuration.get("sharing", "collection_by_map")
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self.sharing_collection_by_token = configuration.get("sharing", "collection_by_token")
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self.permit_create_token = configuration.get("sharing", "permit_create_token")
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self.permit_create_map = configuration.get("sharing", "permit_create_map")
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self.default_permissions_create_token = configuration.get("sharing", "default_permissions_create_token")
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self.default_permissions_create_map = configuration.get("sharing", "default_permissions_create_map")
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self.permit_properties_overlay = configuration.get("sharing", "permit_properties_overlay")
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self.enforce_properties_overlay = configuration.get("sharing", "enforce_properties_overlay")
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logger.info("sharing.collection_by_map : %s", self.sharing_collection_by_map)
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logger.info("sharing.collection_by_token: %s", self.sharing_collection_by_token)
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logger.info("sharing.permit_create_token: %s", self.permit_create_token)
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logger.info("sharing.permit_create_map : %s", self.permit_create_map)
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logger.info("sharing.default_permissions_create_token: %r", self.default_permissions_create_token)
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logger.info("sharing.default_permissions_create_map : %r", self.default_permissions_create_map)
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logger.info("sharing.permit_properties_overlay: %s", self.permit_properties_overlay)
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logger.info("sharing.enforce_properties_overlay: %s", self.enforce_properties_overlay)
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if ((self.sharing_collection_by_map is False) and (self.sharing_collection_by_token is False)):
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logger.info("sharing disabled as no feature is enabled")
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self._enabled = False
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return
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else:
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self._enabled = True
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# database tasks
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self.sharing_db_type = configuration.get("sharing", "type")
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logger.info("sharing.db_type: %s", self.sharing_db_type)
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try:
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if self.init_database() is False:
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logger.info("sharing disabled as no database is active")
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self._enabled = False
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return
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except Exception as e:
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logger.error("sharing database cannot be initialized: %r", e)
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exit(1)
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database_info = self.get_database_info()
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if database_info:
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logger.info("sharing database info: %r", database_info)
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else:
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logger.info("sharing database info: (not provided)")
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# overloadable functions
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def init_database(self) -> bool:
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""" initialize database """
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return False
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def get_database_info(self) -> Union[dict, None]:
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""" retrieve database information """
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return None
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def verify_database(self) -> bool:
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""" verify database information """
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return False
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def list_sharing(self,
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OwnerOrUser: Union[str, None] = None,
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ShareType: Union[str, None] = None,
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PathOrToken: Union[str, None] = None,
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PathMapped: Union[str, None] = None,
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User: Union[str, None] = None,
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EnabledByOwner: Union[bool, None] = None,
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EnabledByUser: Union[bool, None] = None,
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HiddenByOwner: Union[bool, None] = None,
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HiddenByUser: Union[bool, None] = None) -> list[dict]:
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""" retrieve sharing """
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return []
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def get_sharing(self,
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ShareType: str,
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PathOrToken: str,
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User: Union[str, None] = None) -> Union[dict, None]:
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""" retrieve sharing target and attributes by map """
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return {"status": "not-implemented"}
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def create_sharing(self,
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ShareType: str,
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PathOrToken: str, PathMapped: str,
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Owner: str, User: str,
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Permissions: str = "r",
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EnabledByOwner: bool = False, EnabledByUser: bool = False,
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HiddenByOwner: bool = True, HiddenByUser: bool = True,
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Timestamp: int = 0,
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Properties: Union[dict, None] = None) -> dict:
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""" create sharing """
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return {"status": "not-implemented"}
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def update_sharing(self,
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ShareType: str,
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PathOrToken: str,
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OwnerOrUser: str,
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User: Union[str, None] = None,
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PathMapped: Union[str, None] = None,
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Permissions: Union[str, None] = None,
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EnabledByOwner: Union[bool, None] = None,
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HiddenByOwner: Union[bool, None] = None,
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Timestamp: int = 0,
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Properties: Union[dict, None] = None) -> dict:
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""" update sharing """
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return {"status": "not-implemented"}
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def delete_sharing(self,
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ShareType: str,
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PathOrToken: str,
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Owner: str,
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PathMapped: Union[str, None] = None) -> dict:
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""" delete sharing """
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return {"status": "not-implemented"}
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def toggle_sharing(self,
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ShareType: str,
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PathOrToken: str,
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OwnerOrUser: str,
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Action: str,
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PathMapped: Union[str, None] = None,
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User: Union[str, None] = None,
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Timestamp: int = 0) -> dict:
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""" toggle sharing """
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return {"status": "not-implemented"}
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# sharing functions called by request methods
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def verify(self) -> bool:
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""" verify database """
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logger.info("sharing database verification begin")
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logger.info("sharing database verification call: %s", self.sharing_db_type)
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result = self.verify_database()
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if result is not True:
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logger.error("sharing database verification call -> PROBLEM: %s", self.sharing_db_type)
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return False
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else:
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pass
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logger.info("sharing database verification call -> OK: %s", self.sharing_db_type)
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# check all entries
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logger.info("sharing database verification content start")
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with self._storage.acquire_lock("r"):
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for entry in self.list_sharing():
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logger.debug("analyze: %r", entry)
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if entry['ShareType'] not in SHARE_TYPES_V1:
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logger.error("ShareType not supported: %r", entry['ShareType'])
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return False
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elif not entry['PathMapped'].endswith("/"):
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logger.error("PathMapped not ending with '/': %r", entry['PathMapped'])
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return False
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elif entry['ShareType'] == "map":
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if not entry['PathOrToken'].endswith("/"):
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logger.error("PathOrToken not ending with '/': %r", entry['PathOrToken'])
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return False
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else:
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pass
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# TODO: check PathMapped exists
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logger.info("sharing database verification content successful")
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return True
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def sharing_collection_resolver(self, path: str, user: str) -> Union[dict, None]:
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""" returning dict with PathMapped, Owner, Permissions or None if not found"""
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if self.sharing_collection_by_token:
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result = self.sharing_collection_by_token_resolver(path)
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if result is not None:
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return result
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else:
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# check for map
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pass
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else:
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/token: not active")
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return None
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if self.sharing_collection_by_map:
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result = self.sharing_collection_by_map_resolver(path, user)
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if result is not None:
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return result
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else:
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/map: not active")
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return None
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# final
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return None
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# list sharings of type "map"
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def sharing_collection_map_list(self, user: str, active: bool = True) -> list[dict]:
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""" returning dict with shared collections (active==True: enabled and unhidden) or None if not found"""
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if not self.sharing_collection_by_map:
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/map: not active")
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return [{}]
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# retrieve collections which are enabled and not hidden by owner+user
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if active:
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shared_collection_list = self.list_sharing(
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ShareType="map",
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OwnerOrUser=user,
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User=user,
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EnabledByOwner=True,
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EnabledByUser=True,
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HiddenByOwner=False,
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HiddenByUser=False)
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else:
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# unconditional
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shared_collection_list = self.list_sharing(
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ShareType="map",
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OwnerOrUser=user,
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User=user)
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# final
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return shared_collection_list
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# internal sharing functions
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def sharing_collection_by_token_resolver(self, path) -> Union[dict, None]:
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""" returning dict with PathMapped, Owner, Permissions or None if invalid"""
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if self.sharing_collection_by_token:
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/token: check path: %r", path)
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if path.startswith("/.token/"):
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pattern = re.compile('^/\\.token/' + TOKEN_PATTERN_V1 + '$')
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match = pattern.match(path)
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if not match:
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/token: unsupported token: %r", path)
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return None
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else:
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# TODO add token validity checks
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/token: supported token found in path: %r (token=%r)", path, match[1])
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return self.get_sharing(
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ShareType="token",
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PathOrToken=match[1])
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else:
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/token: no supported prefix found in path: %r", path)
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return None
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else:
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/token: not active")
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return None
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def sharing_collection_by_map_resolver(self, path: str, user: str) -> Union[dict, None]:
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""" returning dict with PathMapped, Owner, Permissions or None if invalid"""
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if self.sharing_collection_by_map:
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/map/resolver: check path: %r", path)
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result = self.get_sharing(
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ShareType="map",
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PathOrToken=path,
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User=user)
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if result:
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return result
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else:
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# fallback to parent path
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parent_path = pathutils.parent_path(path)
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/map/resolver: check parent path: %r", parent_path)
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result = self.get_sharing(
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ShareType="map",
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PathOrToken=parent_path,
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User=user)
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if result:
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result['PathMapped'] = path.replace(parent_path, result['PathMapped'])
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/map/resolver: PathMapped=%r Permissions=%r by parent_path=%r", result['PathMapped'], result['Permissions'], parent_path)
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return result
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else:
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/map: not found")
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return None
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else:
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/map: not active")
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return None
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# POST API
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def post(self, environ: types.WSGIEnviron, base_prefix: str, path: str, user: str) -> types.WSGIResponse:
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# Late import to avoid circular dependency in config
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from radicale.app.base import Access
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"""POST request.
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``base_prefix`` is sanitized and never ends with "/".
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``path`` is sanitized and always starts with "/.sharing"
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``user`` is empty for anonymous users.
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Request:
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action: (token|map/list
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PathOrToken: <path|token> (optional for filter)
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action: (token|map)/create
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PathMapped: <path> (mandatory)
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Permissions: <Permissions> (default: r)
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token -> returns <token>
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map
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PathOrToken: <path> (mandatory)
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User: <target_user> (mandatory)
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action: (token|map)/update
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action: (token|map)/(delete|disable|enable|hide|unhide)
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PathOrToken: <path|token> (mandatory)
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token
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map
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PathMapped: <path> (mandator)
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User: <target_user>
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Response: output format depending on ACCEPT header
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action: list
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by user-owned filtered sharing list in CSV/JSON/TEXT
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actions: (other)
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Status in JSON/TEXT (TEXT can be parsed by shell)
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"""
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if not self._enabled:
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# API is not enabled
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return httputils.NOT_FOUND
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if user == "":
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# anonymous users are not allowed
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return httputils.NOT_ALLOWED
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# supported API version check
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if not path.startswith("/.sharing/v1/"):
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return httputils.NOT_FOUND
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# split into ShareType and action
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ShareType_action = path.removeprefix("/.sharing/v1/")
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match = re.search('([a-z]+)/([a-z]+)$', ShareType_action)
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if not match:
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/API: ShareType/action not extractable: %r", ShareType_action)
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return httputils.NOT_FOUND
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else:
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ShareType = match.group(1)
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action = match.group(2)
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# check for valid ShareTypes
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if ShareType:
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if ShareType not in SHARE_TYPES:
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/API: ShareType not whitelisted: %r", ShareType)
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return httputils.NOT_FOUND
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# check for enabled ShareTypes
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if not self.sharing_collection_by_map and ShareType == "map":
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# API "map" is not enabled
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return httputils.NOT_FOUND
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if not self.sharing_collection_by_token and ShareType == "token":
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# API "token" is not enabled
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return httputils.NOT_FOUND
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# check for valid API hooks
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if action not in API_HOOKS_V1:
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/API: action not whitelisted: %r", action)
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return httputils.NOT_FOUND
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if logger.isEnabledFor(logging.DEBUG):
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logger.debug("TRACE/sharing/API: called by authenticated user: %r", user)
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# read POST data
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try:
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request_body = httputils.read_request_body(self.configuration, environ)
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except RuntimeError as e:
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logger.warning("Bad POST request on %r (read_request_body): %s", path, e, exc_info=True)
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return httputils.bad_request("Failed read POST request body")
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except socket.timeout:
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logger.debug("Client timed out", exc_info=True)
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return httputils.REQUEST_TIMEOUT
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api_info = "sharing/API/POST/" + ShareType + "/" + action
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|
|
# parse body according to content-type
|
|
content_type = environ.get("CONTENT_TYPE", "")
|
|
if 'application/json' in content_type:
|
|
try:
|
|
request_data = json.loads(request_body)
|
|
except json.JSONDecodeError:
|
|
return httputils.bad_request("Invalid JSON")
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
logger.debug("TRACE/" + api_info + " (json): %r", f"{request_data}")
|
|
elif 'application/x-www-form-urlencoded' in content_type:
|
|
request_parsed = parse_qs(request_body)
|
|
# convert arrays into single value
|
|
request_data = {}
|
|
for key in request_parsed:
|
|
if key == "Properties":
|
|
# Properties key value parser
|
|
properties_dict: dict = {}
|
|
for entry in request_parsed[key]:
|
|
m = re.search('^([^=]+)=([^=]+)$', entry)
|
|
if not m:
|
|
return httputils.bad_request("Invalid properties format in form")
|
|
token = m.group(1).lstrip('"\'').rstrip('"\'')
|
|
value = m.group(2).lstrip('"\'').rstrip('"\'')
|
|
properties_dict[token] = value
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
logger.debug("TRACE/sharing/API: converted Properties from form into dict: %r", properties_dict)
|
|
request_data[key] = properties_dict
|
|
else:
|
|
request_data[key] = request_parsed[key][0]
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
logger.debug("TRACE/" + api_info + " (form): %r", f"{request_data}")
|
|
else:
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
logger.debug("TRACE/" + api_info + ": no supported content data")
|
|
return httputils.bad_request("Content-type not supported")
|
|
|
|
# check for requested output type
|
|
accept = environ.get("HTTP_ACCEPT", "")
|
|
if 'application/json' in accept:
|
|
output_format = "json"
|
|
elif 'text/csv' in accept:
|
|
output_format = "csv"
|
|
else:
|
|
output_format = "txt"
|
|
|
|
if output_format == "csv":
|
|
if not action == "list":
|
|
return httputils.bad_request("CSV output format is only allowed for list action")
|
|
elif output_format == "json":
|
|
pass
|
|
elif output_format == "txt":
|
|
pass
|
|
else:
|
|
return httputils.bad_request("Output format not supported")
|
|
|
|
# parameters default
|
|
PathOrToken: Union[str, None] = None
|
|
PathMapped: Union[str, None] = None
|
|
Owner: str = user
|
|
User: Union[str, None] = None
|
|
Permissions: Union[str, None] = None # no permissions by default
|
|
EnabledByOwner: Union[bool, None] = None
|
|
HiddenByOwner: Union[bool, None] = None
|
|
EnabledByUser: Union[bool, None] = None
|
|
HiddenByUser: Union[bool, None] = None
|
|
Properties: Union[dict, None] = None
|
|
|
|
# parameters sanity check
|
|
for key in request_data:
|
|
if key == "Permissions":
|
|
if not re.search('^[a-zA-Z]+$', request_data[key]):
|
|
return httputils.bad_request("Invalid value for Permissions")
|
|
elif key == "PathOrToken":
|
|
if ShareType == "token":
|
|
if not re.search('^' + TOKEN_PATTERN_V1 + '$', request_data[key]):
|
|
logger.error(api_info + ": unsupported " + key)
|
|
return httputils.bad_request("Invalid value for PathOrToken")
|
|
elif ShareType == "map":
|
|
if not re.search('^' + PATH_PATTERN + '$', request_data[key]):
|
|
logger.error(api_info + ": unsupported " + key)
|
|
return httputils.bad_request("Invalid value for PathOrToken")
|
|
elif not request_data[key].endswith("/"):
|
|
return httputils.bad_request("PathOrToken not ending with /")
|
|
elif key == "PathMapped":
|
|
if not re.search('^' + PATH_PATTERN + '$', request_data[key]):
|
|
logger.error(api_info + ": unsupported " + key)
|
|
return httputils.bad_request("Invalid value for PathMapped")
|
|
elif not request_data[key].endswith("/"):
|
|
return httputils.bad_request("PathMapped not ending with /")
|
|
elif key == "Enabled" or key == "Hidden":
|
|
if not re.search('^(False|True)$', request_data[key]):
|
|
logger.error(api_info + ": unsupported " + key)
|
|
return httputils.bad_request("Invalid value for " + key)
|
|
elif key == "User":
|
|
if not re.search('^' + USER_PATTERN + '$', request_data[key]):
|
|
logger.error(api_info + ": unsupported " + key)
|
|
return httputils.bad_request("Invalid value for User")
|
|
|
|
# check for mandatory parameters
|
|
if 'PathMapped' not in request_data:
|
|
if action in ['info', 'list', 'update']:
|
|
# ignored
|
|
pass
|
|
else:
|
|
if ShareType == "token" and action != 'create':
|
|
# optional
|
|
pass
|
|
else:
|
|
logger.error(api_info + ": missing PathMapped")
|
|
return httputils.bad_request("Missing PathMapped")
|
|
else:
|
|
PathMapped = request_data['PathMapped']
|
|
|
|
if 'PathOrToken' not in request_data:
|
|
if action == 'info':
|
|
# ignored
|
|
pass
|
|
elif action not in ['list', 'create']:
|
|
logger.error(api_info + ": missing PathOrToken")
|
|
return httputils.bad_request("Missing PathOrToken")
|
|
else:
|
|
# PathOrToken is optional
|
|
pass
|
|
else:
|
|
if action == "create" and ShareType == "token":
|
|
# not supported
|
|
logger.error(api_info + ": PathOrToken found but not supported")
|
|
return httputils.bad_request("PathOrToken not supported")
|
|
PathOrToken = request_data['PathOrToken']
|
|
|
|
if 'Permissions' in request_data:
|
|
Permissions = request_data['Permissions']
|
|
|
|
if 'Properties' in request_data:
|
|
# verify against whitelist
|
|
for entry in request_data['Properties']:
|
|
if entry not in OVERLAY_PROPERTIES_WHITELIST:
|
|
return httputils.bad_request("Property not supported to overlay: %r" % entry)
|
|
Properties = request_data['Properties']
|
|
|
|
if ShareType == "map":
|
|
if action == 'info':
|
|
# ignored
|
|
pass
|
|
else:
|
|
if 'User' not in request_data:
|
|
if action not in ['list', 'delete', 'update']:
|
|
logger.warning(api_info + ": missing User")
|
|
return httputils.bad_request("Missing User")
|
|
else:
|
|
# optional
|
|
pass
|
|
else:
|
|
User = request_data['User']
|
|
|
|
answer: dict = {}
|
|
result: dict = {}
|
|
result_array: list[dict]
|
|
answer['ApiVersion'] = 1
|
|
Timestamp = int((datetime.now() - datetime(1970, 1, 1)).total_seconds())
|
|
|
|
if not self.sharing_collection_by_map and not self.sharing_collection_by_token:
|
|
if not action == 'info':
|
|
# API is not enabled
|
|
return httputils.NOT_FOUND
|
|
|
|
# action: list
|
|
if action == "list":
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
logger.debug("TRACE/" + api_info + ": start")
|
|
if 'PathOrToken' in request_data:
|
|
PathOrToken = request_data['PathOrToken']
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
logger.debug("TRACE/" + api_info + ": filter: %r", PathOrToken)
|
|
|
|
if ShareType != "all":
|
|
result_array = self.list_sharing(
|
|
ShareType=ShareType,
|
|
OwnerOrUser=Owner,
|
|
PathMapped=PathMapped,
|
|
PathOrToken=PathOrToken)
|
|
else:
|
|
result_array = self.list_sharing(
|
|
OwnerOrUser=Owner,
|
|
PathMapped=PathMapped,
|
|
PathOrToken=PathOrToken)
|
|
|
|
answer['Lines'] = len(result_array)
|
|
if len(result_array) == 0:
|
|
answer['Status'] = "not-found"
|
|
else:
|
|
answer['Status'] = "success"
|
|
answer['Content'] = result_array
|
|
|
|
# action: create
|
|
elif action == "create":
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
logger.debug("TRACE/" + api_info + ": start")
|
|
if 'Permissions' not in request_data:
|
|
if ShareType == "token":
|
|
Permissions = self.default_permissions_create_token
|
|
elif ShareType == "map":
|
|
Permissions = self.default_permissions_create_map
|
|
else:
|
|
# default
|
|
Permissions = "r"
|
|
|
|
if 'Enabled' in request_data:
|
|
EnabledByOwner = config._convert_to_bool(request_data['Enabled'])
|
|
else:
|
|
EnabledByOwner = False # security by default
|
|
|
|
if 'Hidden' in request_data:
|
|
HiddenByOwner = config._convert_to_bool(request_data['Hidden'])
|
|
else:
|
|
HiddenByOwner = True # security by default
|
|
|
|
EnabledByUser = False # security by default
|
|
HiddenByUser = True # security by default
|
|
|
|
if ShareType == "token":
|
|
# check access Permissions
|
|
access = Access(self._rights, user, str(PathMapped)) # PathMapped is mandatory
|
|
if not access.check("r"):
|
|
logger.info("Add sharing-by-token: access to %r not allowed for user %r", PathMapped, user)
|
|
return httputils.NOT_ALLOWED
|
|
|
|
if self.permit_create_token is False:
|
|
if "t" not in access.permissions:
|
|
logger.info("Add sharing-by-token: access to %r not allowed for user %r (permit=False but explict grant misses 't')", PathMapped, user)
|
|
return httputils.NOT_ALLOWED
|
|
else:
|
|
if "T" in access.permissions:
|
|
logger.info("Add sharing-by-token: access to %r not allowed for user %r (permit=True but denied by 'T')", PathMapped, user)
|
|
return httputils.NOT_ALLOWED
|
|
|
|
# v1: create uuid token with 2x 32 bytes = 256 bit
|
|
token = "v1/" + str(base64.urlsafe_b64encode(uuid.uuid4().bytes + uuid.uuid4().bytes), 'utf-8')
|
|
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
logger.debug("TRACE/" + api_info + ": %r (Permissions=%r token=%r)", PathMapped, Permissions, token)
|
|
result = self.create_sharing(
|
|
ShareType=ShareType,
|
|
PathOrToken=token,
|
|
PathMapped=str(PathMapped), # mandatory
|
|
Owner=Owner, User=Owner,
|
|
Permissions=str(Permissions), # mandantory
|
|
EnabledByOwner=EnabledByOwner, HiddenByOwner=HiddenByOwner,
|
|
Timestamp=Timestamp,
|
|
Properties=Properties)
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
logger.debug("TRACE/" + api_info + ": result=%r", result)
|
|
|
|
elif ShareType == "map":
|
|
# check preconditions
|
|
if PathOrToken is None:
|
|
return httputils.bad_request("Missing PathOrToken")
|
|
else:
|
|
PathOrToken = str(PathOrToken)
|
|
|
|
if User is None:
|
|
return httputils.bad_request("Missing User")
|
|
else:
|
|
User = str(User)
|
|
|
|
# check access Permissions
|
|
access = Access(self._rights, Owner, str(PathMapped), None) # PathMapped is mandatory
|
|
if not access.check("r") and "i" not in access.permissions:
|
|
logger.info("Add sharing-by-map: access to path(mapped) %r not allowed for owner %r", PathMapped, Owner)
|
|
return httputils.NOT_ALLOWED
|
|
|
|
if self.permit_create_map is False:
|
|
if "m" not in access.permissions:
|
|
logger.info("Add sharing-by-map: access to %r not allowed for user %r (permit=False but explicit grant misses 'm')", PathMapped, user)
|
|
return httputils.NOT_ALLOWED
|
|
else:
|
|
if "M" in access.permissions:
|
|
logger.info("Add sharing-by-map: access to %r not allowed for user %r (permit=True but denied by 'M')", PathMapped, user)
|
|
return httputils.NOT_ALLOWED
|
|
|
|
access = Access(self._rights, str(User), PathOrToken)
|
|
if not access.check("r"):
|
|
logger.info("Add sharing-by-map: access to path %r not allowed for user %r", PathOrToken, User)
|
|
return httputils.NOT_ALLOWED
|
|
|
|
# check whether share is already existing as real collection
|
|
with self._storage.acquire_lock("r", user, path=PathOrToken):
|
|
item = next(iter(self._storage.discover(PathOrToken)), None)
|
|
if not item:
|
|
pass
|
|
else:
|
|
logger.info("Add sharing-by-map: path %r already exists as real collection for user %r", PathOrToken, user)
|
|
return httputils.CONFLICT
|
|
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
logger.debug("TRACE/" + api_info + ": %r (Permissions=%r PathOrToken=%r user=%r)", PathMapped, Permissions, PathOrToken, User)
|
|
result = self.create_sharing(
|
|
ShareType=ShareType,
|
|
PathOrToken=PathOrToken, # verification above that it is not None
|
|
PathMapped=str(PathMapped), # mandatory
|
|
Owner=Owner,
|
|
User=User, # verification above that it is not None
|
|
Permissions=str(Permissions), # mandatory
|
|
EnabledByOwner=EnabledByOwner, HiddenByOwner=HiddenByOwner,
|
|
EnabledByUser=EnabledByUser, HiddenByUser=HiddenByUser,
|
|
Timestamp=Timestamp,
|
|
Properties=Properties)
|
|
|
|
else:
|
|
logger.error(api_info + ": unsupported for ShareType=%r", ShareType)
|
|
return httputils.bad_request("Invalid share type")
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
logger.debug("TRACE/" + api_info + ": result=%r", result)
|
|
# result handling
|
|
if result['status'] == "conflict":
|
|
return httputils.CONFLICT
|
|
elif result['status'] == "error":
|
|
return httputils.INTERNAL_SERVER_ERROR
|
|
elif result['status'] == "success":
|
|
answer['Status'] = "success"
|
|
else:
|
|
return httputils.bad_request("Internal failure")
|
|
|
|
if ShareType == "token":
|
|
logger.info(api_info + "(success): %r (Permissions=%r token=%r)", PathMapped, Permissions, token)
|
|
answer['PathOrToken'] = token
|
|
|
|
# action: update
|
|
elif action == "update":
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
logger.debug("TRACE/" + api_info + ": start")
|
|
|
|
if PathOrToken is None:
|
|
return httputils.bad_request("Missing PathOrToken")
|
|
|
|
if ShareType == "token":
|
|
result = self.update_sharing(
|
|
ShareType=ShareType,
|
|
PathMapped=PathMapped,
|
|
Permissions=Permissions,
|
|
EnabledByOwner=EnabledByOwner,
|
|
HiddenByOwner=HiddenByOwner,
|
|
PathOrToken=str(PathOrToken), # verification above that it is not None
|
|
OwnerOrUser=Owner,
|
|
User=User,
|
|
Timestamp=Timestamp,
|
|
Properties=Properties)
|
|
|
|
elif ShareType == "map":
|
|
result = self.update_sharing(
|
|
ShareType=ShareType,
|
|
PathMapped=PathMapped,
|
|
Permissions=Permissions,
|
|
EnabledByOwner=EnabledByOwner,
|
|
HiddenByOwner=HiddenByOwner,
|
|
PathOrToken=str(PathOrToken), # verification above that it is not None
|
|
OwnerOrUser=Owner,
|
|
User=User,
|
|
Timestamp=Timestamp,
|
|
Properties=Properties)
|
|
|
|
else:
|
|
logger.error(api_info + ": unsupported for ShareType=%r", ShareType)
|
|
return httputils.bad_request("Invalid share type")
|
|
|
|
# result handling
|
|
if result['status'] == "not-found":
|
|
return httputils.NOT_FOUND
|
|
elif result['status'] == "permission-denied":
|
|
return httputils.NOT_ALLOWED
|
|
elif result['status'] == "success":
|
|
answer['Status'] = "success"
|
|
pass
|
|
else:
|
|
if ShareType == "token":
|
|
logger.info("Update of sharing-by-token: %r not successful", request_data['PathOrToken'])
|
|
elif ShareType == "map":
|
|
logger.info("Update of sharing-by-map: %r not successful", request_data['PathOrToken'])
|
|
return httputils.bad_request("Invalid share type")
|
|
|
|
# action: delete
|
|
elif action == "delete":
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
logger.debug("TRACE/" + api_info + ": start")
|
|
|
|
if PathOrToken is None:
|
|
return httputils.bad_request("Missing PathOrToken")
|
|
|
|
if ShareType == "token":
|
|
result = self.delete_sharing(
|
|
ShareType=ShareType,
|
|
PathOrToken=str(PathOrToken), # verification above that it is not None
|
|
Owner=Owner)
|
|
|
|
elif ShareType == "map":
|
|
result = self.delete_sharing(
|
|
ShareType=ShareType,
|
|
PathOrToken=str(PathOrToken), # verification above that it is not None
|
|
PathMapped=PathMapped,
|
|
Owner=Owner)
|
|
|
|
else:
|
|
logger.error(api_info + ": unsupported for ShareType=%r", ShareType)
|
|
return httputils.bad_request("Invalid share type")
|
|
|
|
# result handling
|
|
if result['status'] == "not-found":
|
|
return httputils.NOT_FOUND
|
|
elif result['status'] == "permission-denied":
|
|
return httputils.NOT_ALLOWED
|
|
elif result['status'] == "success":
|
|
answer['Status'] = "success"
|
|
pass
|
|
else:
|
|
if ShareType == "token":
|
|
logger.info("Delete sharing-by-token: %r of user %r not successful", request_data['PathOrToken'], request_data['User'])
|
|
elif ShareType == "map":
|
|
logger.info("Delete sharing-by-map: %r of user %r not successful", request_data['PathOrToken'], request_data['User'])
|
|
return httputils.bad_request("Invalid share type")
|
|
|
|
# action: info
|
|
elif action == "info":
|
|
answer['Status'] = "success"
|
|
if ShareType in ["all", "map"]:
|
|
answer['FeatureEnabledCollectionByMap'] = self.sharing_collection_by_map
|
|
answer['PermittedCreateCollectionByMap'] = True # TODO toggle per permission, default?
|
|
if ShareType in ["all", "token"]:
|
|
answer['FeatureEnabledCollectionByToken'] = self.sharing_collection_by_token
|
|
answer['PermittedCreateCollectionByToken'] = True # TODO toggle per permission, default?
|
|
|
|
# action: TOGGLE
|
|
elif action in API_SHARE_TOGGLES_V1:
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
logger.debug("TRACE/sharing/API/POST/" + action)
|
|
|
|
if ShareType in ["token", "map"]:
|
|
if PathOrToken is None:
|
|
return httputils.bad_request("Missing PathOrToken")
|
|
|
|
result = self.toggle_sharing(
|
|
ShareType=ShareType,
|
|
PathOrToken=str(PathOrToken), # verification above that it is not None
|
|
OwnerOrUser=user, # authenticated user
|
|
User=User, # optional for selection
|
|
PathMapped=PathMapped, # optional for selection
|
|
Action=action,
|
|
Timestamp=Timestamp)
|
|
|
|
if result:
|
|
if result['status'] == "not-found":
|
|
return httputils.NOT_FOUND
|
|
if result['status'] == "permission-denied":
|
|
return httputils.NOT_ALLOWED
|
|
elif result['status'] == "success":
|
|
answer['Status'] = "success"
|
|
pass
|
|
else:
|
|
logger.error("Toggle sharing: %r of user %s not successful", request_data['PathOrToken'], user)
|
|
return httputils.bad_request("Internal Error")
|
|
|
|
else:
|
|
logger.error(api_info + ": unsupported for ShareType=%r", ShareType)
|
|
return httputils.bad_request("Invalid share type")
|
|
|
|
else:
|
|
# default
|
|
logger.error(api_info + ": unsupported action=%r", action)
|
|
return httputils.bad_request("Invalid action")
|
|
|
|
# output handler
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
logger.debug("TRACE/sharing/API/POST output format: %r", output_format)
|
|
logger.debug("TRACE/sharing/API/POST answer: %r", answer)
|
|
if output_format == "csv" or output_format == "txt":
|
|
answer_array = []
|
|
if output_format == "txt":
|
|
for key in answer:
|
|
if key != 'Content':
|
|
answer_array.append(key + '=' + str(answer[key]))
|
|
if 'Content' in answer and answer['Content'] is not None:
|
|
csv = io.StringIO()
|
|
writer = DictWriter(csv, fieldnames=DB_FIELDS_V1, delimiter=';')
|
|
if output_format == "csv":
|
|
writer.writeheader()
|
|
for entry in answer['Content']:
|
|
# TODO: Argument 1 to "writerow" of "DictWriter" has incompatible type "str"; expected "Mapping[str, Any]" [arg-type]
|
|
writer.writerow(entry) # type: ignore[arg-type]
|
|
if output_format == "csv":
|
|
answer_array.append(csv.getvalue())
|
|
else:
|
|
index = 0
|
|
for line in csv.getvalue().splitlines():
|
|
# create a shell array with content lines
|
|
answer_array.append('Content[' + str(index) + ']="' + line.replace('"', '\\"') + '"')
|
|
index += 1
|
|
headers = {
|
|
"Content-Type": "text/csv"
|
|
}
|
|
return client.OK, headers, "\n".join(answer_array), None
|
|
elif output_format == "json":
|
|
answer_raw = json.dumps(answer)
|
|
headers = {
|
|
"Content-Type": "text/json"
|
|
}
|
|
return client.OK, headers, answer_raw, None
|
|
else:
|
|
# should not be reached
|
|
return httputils.bad_request("Invalid output format")
|
|
|
|
return httputils.METHOD_NOT_ALLOWED
|