/
users.py
1447 lines (1143 loc) · 45.3 KB
/
users.py
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__license__ = "GNU Affero General Public License http://www.gnu.org/licenses/agpl.html"
__copyright__ = "Copyright (C) 2014 The OctoPrint Project - Released under terms of the AGPLv3 License"
import hashlib
import logging
import os
import time
import uuid
import wrapt
from flask_login import AnonymousUserMixin, UserMixin
from werkzeug.local import LocalProxy
from octoprint.access.groups import Group, GroupChangeListener
from octoprint.access.permissions import OctoPrintPermission, Permissions
from octoprint.settings import settings as s
from octoprint.util import atomic_write, deprecated, generate_api_key
from octoprint.util import get_fully_qualified_classname as fqcn
from octoprint.util import to_bytes, yaml
class UserManager(GroupChangeListener):
def __init__(self, group_manager, settings=None):
self._group_manager = group_manager
self._group_manager.register_listener(self)
self._logger = logging.getLogger(__name__)
self._session_users_by_session = {}
self._sessionids_by_userid = {}
if settings is None:
settings = s()
self._settings = settings
self._login_status_listeners = []
def register_login_status_listener(self, listener):
self._login_status_listeners.append(listener)
def unregister_login_status_listener(self, listener):
self._login_status_listeners.remove(listener)
def anonymous_user_factory(self):
return AnonymousUser([self._group_manager.guest_group])
def api_user_factory(self):
return ApiUser([self._group_manager.admin_group, self._group_manager.user_group])
@property
def enabled(self):
return True
def login_user(self, user):
self._cleanup_sessions()
if user is None or user.is_anonymous:
return
if isinstance(user, LocalProxy):
# noinspection PyProtectedMember
user = user._get_current_object()
if not isinstance(user, User):
return None
if not isinstance(user, SessionUser):
user = SessionUser(user)
self._session_users_by_session[user.session] = user
userid = user.get_id()
if userid not in self._sessionids_by_userid:
self._sessionids_by_userid[userid] = set()
self._sessionids_by_userid[userid].add(user.session)
for listener in self._login_status_listeners:
try:
listener.on_user_logged_in(user)
except Exception:
self._logger.exception(
f"Error in on_user_logged_in on {listener!r}",
extra={"callback": fqcn(listener)},
)
self._logger.info(f"Logged in user: {user.get_id()}")
return user
def logout_user(self, user, stale=False):
if user is None or user.is_anonymous:
return
if isinstance(user, LocalProxy):
user = user._get_current_object()
if not isinstance(user, SessionUser):
return
userid = user.get_id()
sessionid = user.session
if userid in self._sessionids_by_userid:
try:
self._sessionids_by_userid[userid].remove(sessionid)
except KeyError:
pass
if sessionid in self._session_users_by_session:
try:
del self._session_users_by_session[sessionid]
except KeyError:
pass
for listener in self._login_status_listeners:
try:
listener.on_user_logged_out(user, stale=stale)
except Exception:
self._logger.exception(
f"Error in on_user_logged_out on {listener!r}",
extra={"callback": fqcn(listener)},
)
self._logger.info(f"Logged out user: {user.get_id()}")
def _cleanup_sessions(self):
for session, user in list(self._session_users_by_session.items()):
if not isinstance(user, SessionUser):
continue
if user.touched + (15 * 60) < time.monotonic():
self._logger.info(
f"Cleaning up user session {session} for user {user.get_id()}"
)
self.logout_user(user, stale=True)
@staticmethod
def create_password_hash(password, salt=None, settings=None):
if not salt:
if settings is None:
settings = s()
salt = settings.get(["accessControl", "salt"])
if salt is None:
import string
from random import choice
chars = string.ascii_lowercase + string.ascii_uppercase + string.digits
salt = "".join(choice(chars) for _ in range(32))
settings.set(["accessControl", "salt"], salt)
settings.save()
return hashlib.sha512(
to_bytes(password, encoding="utf-8", errors="replace") + to_bytes(salt)
).hexdigest()
def check_password(self, username, password):
user = self.find_user(username)
if not user:
return False
hash = UserManager.create_password_hash(password, settings=self._settings)
if user.check_password(hash):
# new hash matches, correct password
return True
else:
# new hash doesn't match, but maybe the old one does, so check that!
oldHash = UserManager.create_password_hash(
password, salt="mvBUTvwzBzD3yPwvnJ4E4tXNf3CGJvvW", settings=self._settings
)
if user.check_password(oldHash):
# old hash matches, we migrate the stored password hash to the new one and return True since it's the correct password
self.change_user_password(username, password)
return True
else:
# old hash doesn't match either, wrong password
return False
def signature_key_for_user(self, username, salt=None):
return self.create_password_hash(username, salt=salt)
def add_user(self, username, password, active, permissions, groups, overwrite=False):
pass
def change_user_activation(self, username, active):
pass
def change_user_permissions(self, username, permissions):
pass
def add_permissions_to_user(self, username, permissions):
pass
def remove_permissions_from_user(self, username, permissions):
pass
def change_user_groups(self, username, groups):
pass
def add_groups_to_user(self, username, groups):
pass
def remove_groups_from_user(self, username, groups):
pass
def remove_groups_from_users(self, group):
pass
def change_user_password(self, username, password):
pass
def get_user_setting(self, username, key):
return None
def get_all_user_settings(self, username):
return {}
def change_user_setting(self, username, key, value):
pass
def change_user_settings(self, username, new_settings):
pass
def remove_user(self, username):
if username in self._sessionids_by_userid:
sessions = self._sessionids_by_userid[username]
for session in sessions:
if session in self._session_users_by_session:
del self._session_users_by_session[session]
del self._sessionids_by_userid[username]
def validate_user_session(self, userid, session):
self._cleanup_sessions()
if session in self._session_users_by_session:
user = self._session_users_by_session[session]
return userid == user.get_id()
return False
def find_user(self, userid=None, session=None, fresh=False):
self._cleanup_sessions()
if session is not None and session in self._session_users_by_session:
user = self._session_users_by_session[session]
if userid is None or userid == user.get_id():
user.touch()
return user
return None
def find_sessions_for(self, matcher):
self._cleanup_sessions()
result = []
for user in self.get_all_users():
if matcher(user):
try:
session_ids = self._sessionids_by_userid[user.get_id()]
for session_id in session_ids:
try:
session_user = self._session_users_by_session[session_id]
session_user.touch()
result.append(session_user)
except KeyError:
# unknown session after all
continue
except KeyError:
# no session for user
pass
return result
def get_all_users(self):
return []
def has_been_customized(self):
return False
def on_group_removed(self, group):
self._logger.debug(f"Group {group.key} got removed, removing from all users")
self.remove_groups_from_users([group])
def on_group_permissions_changed(self, group, added=None, removed=None):
users = self.find_sessions_for(lambda u: group in u.groups)
for listener in self._login_status_listeners:
try:
for user in users:
listener.on_user_modified(user)
except Exception:
self._logger.exception(
f"Error in on_user_modified on {listener!r}",
extra={"callback": fqcn(listener)},
)
def on_group_subgroups_changed(self, group, added=None, removed=None):
users = self.find_sessions_for(lambda u: group in u.groups)
for listener in self._login_status_listeners:
# noinspection PyBroadException
try:
for user in users:
listener.on_user_modified(user)
except Exception:
self._logger.exception(
f"Error in on_user_modified on {listener!r}",
extra={"callback": fqcn(listener)},
)
def _trigger_on_user_modified(self, user):
if isinstance(user, str):
# user id
users = []
try:
session_ids = self._sessionids_by_userid[user]
for session_id in session_ids:
try:
users.append(self._session_users_by_session[session_id])
except KeyError:
# unknown session id
continue
except KeyError:
# no session for user
return
elif isinstance(user, User) and not isinstance(user, SessionUser):
users = self.find_sessions_for(lambda u: u.get_id() == user.get_id())
elif isinstance(user, User):
users = [user]
else:
return
for listener in self._login_status_listeners:
try:
for user in users:
listener.on_user_modified(user)
except Exception:
self._logger.exception(
f"Error in on_user_modified on {listener!r}",
extra={"callback": fqcn(listener)},
)
def _trigger_on_user_removed(self, username):
for listener in self._login_status_listeners:
try:
listener.on_user_removed(username)
except Exception:
self._logger.exception(
f"Error in on_user_removed on {listener!r}",
extra={"callback": fqcn(listener)},
)
# ~~ Deprecated methods follow
# TODO: Remove deprecated methods in OctoPrint 1.5.0
@staticmethod
def createPasswordHash(*args, **kwargs):
"""
.. deprecated: 1.4.0
Replaced by :func:`~UserManager.create_password_hash`
"""
# we can't use the deprecated decorator here since this method is static
import warnings
warnings.warn(
"createPasswordHash has been renamed to create_password_hash",
DeprecationWarning,
stacklevel=2,
)
return UserManager.create_password_hash(*args, **kwargs)
@deprecated(
"changeUserRoles has been replaced by change_user_permissions",
includedoc="Replaced by :func:`change_user_permissions`",
since="1.4.0",
)
def changeUserRoles(self, username, roles):
user = self.find_user(username)
if user is None:
raise UnknownUser(username)
removed_roles = set(user._roles) - set(roles)
self.removeRolesFromUser(username, removed_roles, user=user)
added_roles = set(roles) - set(user._roles)
self.addRolesToUser(username, added_roles, user=user)
@deprecated(
"addRolesToUser has been replaced by add_permissions_to_user",
includedoc="Replaced by :func:`add_permissions_to_user`",
since="1.4.0",
)
def addRolesToUser(self, username, roles, user=None):
if user is None:
user = self.find_user(username)
if user is None:
raise UnknownUser(username)
if "admin" in roles:
self.add_groups_to_user(username, self._group_manager.admin_group)
if "user" in roles:
self.remove_groups_from_user(username, self._group_manager.user_group)
@deprecated(
"removeRolesFromUser has been replaced by remove_permissions_from_user",
includedoc="Replaced by :func:`remove_permissions_from_user`",
since="1.4.0",
)
def removeRolesFromUser(self, username, roles, user=None):
if user is None:
user = self.find_user(username)
if user is None:
raise UnknownUser(username)
if "admin" in roles:
self.remove_groups_from_user(username, self._group_manager.admin_group)
self.remove_permissions_from_user(username, Permissions.ADMIN)
if "user" in roles:
self.remove_groups_from_user(username, self._group_manager.user_group)
checkPassword = deprecated(
"checkPassword has been renamed to check_password",
includedoc="Replaced by :func:`check_password`",
since="1.4.0",
)(check_password)
addUser = deprecated(
"addUser has been renamed to add_user",
includedoc="Replaced by :func:`add_user`",
since="1.4.0",
)(add_user)
changeUserActivation = deprecated(
"changeUserActivation has been renamed to change_user_activation",
includedoc="Replaced by :func:`change_user_activation`",
since="1.4.0",
)(change_user_activation)
changeUserPassword = deprecated(
"changeUserPassword has been renamed to change_user_password",
includedoc="Replaced by :func:`change_user_password`",
since="1.4.0",
)(change_user_password)
getUserSetting = deprecated(
"getUserSetting has been renamed to get_user_setting",
includedoc="Replaced by :func:`get_user_setting`",
since="1.4.0",
)(get_user_setting)
getAllUserSettings = deprecated(
"getAllUserSettings has been renamed to get_all_user_settings",
includedoc="Replaced by :func:`get_all_user_settings`",
since="1.4.0",
)(get_all_user_settings)
changeUserSetting = deprecated(
"changeUserSetting has been renamed to change_user_setting",
includedoc="Replaced by :func:`change_user_setting`",
since="1.4.0",
)(change_user_setting)
changeUserSettings = deprecated(
"changeUserSettings has been renamed to change_user_settings",
includedoc="Replaced by :func:`change_user_settings`",
since="1.4.0",
)(change_user_settings)
removeUser = deprecated(
"removeUser has been renamed to remove_user",
includedoc="Replaced by :func:`remove_user`",
since="1.4.0",
)(remove_user)
findUser = deprecated(
"findUser has been renamed to find_user",
includedoc="Replaced by :func:`find_user`",
since="1.4.0",
)(find_user)
getAllUsers = deprecated(
"getAllUsers has been renamed to get_all_users",
includedoc="Replaced by :func:`get_all_users`",
since="1.4.0",
)(get_all_users)
hasBeenCustomized = deprecated(
"hasBeenCustomized has been renamed to has_been_customized",
includedoc="Replaced by :func:`has_been_customized`",
since="1.4.0",
)(has_been_customized)
class LoginStatusListener:
def on_user_logged_in(self, user):
pass
def on_user_logged_out(self, user, stale=False):
pass
def on_user_modified(self, user):
pass
def on_user_removed(self, userid):
pass
##~~ FilebasedUserManager, takes available users from users.yaml file
class FilebasedUserManager(UserManager):
def __init__(self, group_manager, path=None, settings=None):
UserManager.__init__(self, group_manager, settings=settings)
self._logger = logging.getLogger(__name__)
if path is None:
path = self._settings.get(["accessControl", "userfile"])
if path is None:
path = os.path.join(s().getBaseFolder("base"), "users.yaml")
self._userfile = path
self._users = {}
self._dirty = False
self._customized = None
self._load()
def _load(self):
if os.path.exists(self._userfile) and os.path.isfile(self._userfile):
data = yaml.load_from_file(path=self._userfile)
if not data or not isinstance(data, dict):
self._logger.fatal(
"{} does not contain a valid map of users. Fix "
"the file, or remove it, then restart OctoPrint.".format(
self._userfile
)
)
raise CorruptUserStorage()
for name, attributes in data.items():
if not isinstance(attributes, dict):
continue
permissions = []
if "permissions" in attributes:
permissions = attributes["permissions"]
if "groups" in attributes:
groups = set(attributes["groups"])
else:
groups = {self._group_manager.user_group}
# migrate from roles to permissions
if "roles" in attributes and "permissions" not in attributes:
self._logger.info(
f"Migrating user {name} to new granular permission system"
)
groups |= set(self._migrate_roles_to_groups(attributes["roles"]))
self._dirty = True
apikey = None
if "apikey" in attributes:
apikey = attributes["apikey"]
settings = {}
if "settings" in attributes:
settings = attributes["settings"]
self._users[name] = User(
username=name,
passwordHash=attributes["password"],
active=attributes["active"],
permissions=self._to_permissions(*permissions),
groups=self._to_groups(*groups),
apikey=apikey,
settings=settings,
)
for sessionid in self._sessionids_by_userid.get(name, set()):
if sessionid in self._session_users_by_session:
self._session_users_by_session[sessionid].update_user(
self._users[name]
)
if self._dirty:
self._save()
self._customized = True
else:
self._customized = False
def _save(self, force=False):
if not self._dirty and not force:
return
data = {}
for name, user in self._users.items():
if not user or not isinstance(user, User):
continue
data[name] = {
"password": user._passwordHash,
"active": user._active,
"groups": self._from_groups(*user._groups),
"permissions": self._from_permissions(*user._permissions),
"apikey": user._apikey,
"settings": user._settings,
# TODO: deprecated, remove in 1.5.0
"roles": user._roles,
}
with atomic_write(
self._userfile, mode="wt", permissions=0o600, max_permissions=0o666
) as f:
yaml.save_to_file(data, file=f, pretty=True)
self._dirty = False
self._load()
def _migrate_roles_to_groups(self, roles):
# If admin is inside the roles, just return admin group
if "admin" in roles:
return [self._group_manager.admin_group, self._group_manager.user_group]
else:
return [self._group_manager.user_group]
def _refresh_groups(self, user):
user._groups = self._to_groups(*map(lambda g: g.key, user.groups))
def add_user(
self,
username,
password,
active=False,
permissions=None,
groups=None,
apikey=None,
overwrite=False,
):
if not permissions:
permissions = []
permissions = self._to_permissions(*permissions)
if not groups:
groups = self._group_manager.default_groups
groups = self._to_groups(*groups)
if username in self._users and not overwrite:
raise UserAlreadyExists(username)
self._users[username] = User(
username,
UserManager.create_password_hash(password, settings=self._settings),
active,
permissions,
groups,
apikey=apikey,
)
self._dirty = True
self._save()
def change_user_activation(self, username, active):
if username not in self._users:
raise UnknownUser(username)
if self._users[username].is_active != active:
self._users[username]._active = active
self._dirty = True
self._save()
self._trigger_on_user_modified(username)
def change_user_permissions(self, username, permissions):
if username not in self._users:
raise UnknownUser(username)
user = self._users[username]
permissions = self._to_permissions(*permissions)
removed_permissions = list(set(user._permissions) - set(permissions))
added_permissions = list(set(permissions) - set(user._permissions))
if len(removed_permissions) > 0:
user.remove_permissions_from_user(removed_permissions)
self._dirty = True
if len(added_permissions) > 0:
user.add_permissions_to_user(added_permissions)
self._dirty = True
if self._dirty:
self._save()
self._trigger_on_user_modified(username)
def add_permissions_to_user(self, username, permissions):
if username not in self._users:
raise UnknownUser(username)
if self._users[username].add_permissions_to_user(
self._to_permissions(*permissions)
):
self._dirty = True
self._save()
self._trigger_on_user_modified(username)
def remove_permissions_from_user(self, username, permissions):
if username not in self._users:
raise UnknownUser(username)
if self._users[username].remove_permissions_from_user(
self._to_permissions(*permissions)
):
self._dirty = True
self._save()
self._trigger_on_user_modified(username)
def remove_permissions_from_users(self, permissions):
modified = []
for user in self._users:
dirty = user.remove_permissions_from_user(self._to_permissions(*permissions))
if dirty:
self._dirty = True
modified.append(user.get_id())
if self._dirty:
self._save()
for username in modified:
self._trigger_on_user_modified(username)
def change_user_groups(self, username, groups):
if username not in self._users:
raise UnknownUser(username)
user = self._users[username]
groups = self._to_groups(*groups)
removed_groups = list(set(user._groups) - set(groups))
added_groups = list(set(groups) - set(user._groups))
if len(removed_groups):
self._dirty |= user.remove_groups_from_user(removed_groups)
if len(added_groups):
self._dirty |= user.add_groups_to_user(added_groups)
if self._dirty:
self._save()
self._trigger_on_user_modified(username)
def add_groups_to_user(self, username, groups, save=True, notify=True):
if username not in self._users:
raise UnknownUser(username)
if self._users[username].add_groups_to_user(self._to_groups(*groups)):
self._dirty = True
if save:
self._save()
if notify:
self._trigger_on_user_modified(username)
def remove_groups_from_user(self, username, groups, save=True, notify=True):
if username not in self._users:
raise UnknownUser(username)
if self._users[username].remove_groups_from_user(self._to_groups(*groups)):
self._dirty = True
if save:
self._save()
if notify:
self._trigger_on_user_modified(username)
def remove_groups_from_users(self, groups):
modified = []
for username, user in self._users.items():
dirty = user.remove_groups_from_user(self._to_groups(*groups))
if dirty:
self._dirty = True
modified.append(username)
if self._dirty:
self._save()
for username in modified:
self._trigger_on_user_modified(username)
def change_user_password(self, username, password):
if username not in self._users:
raise UnknownUser(username)
passwordHash = UserManager.create_password_hash(password, settings=self._settings)
user = self._users[username]
if user._passwordHash != passwordHash:
user._passwordHash = passwordHash
self._dirty = True
self._save()
self._trigger_on_user_modified(user)
def signature_key_for_user(self, username, salt=None):
if username not in self._users:
raise UnknownUser(username)
user = self._users[username]
return UserManager.create_password_hash(username + user._passwordHash, salt=salt)
def change_user_setting(self, username, key, value):
if username not in self._users:
raise UnknownUser(username)
user = self._users[username]
old_value = user.get_setting(key)
if not old_value or old_value != value:
user.set_setting(key, value)
self._dirty = self._dirty or old_value != value
self._save()
def change_user_settings(self, username, new_settings):
if username not in self._users:
raise UnknownUser(username)
user = self._users[username]
for key, value in new_settings.items():
old_value = user.get_setting(key)
user.set_setting(key, value)
self._dirty = self._dirty or old_value != value
self._save()
def get_all_user_settings(self, username):
if username not in self._users:
raise UnknownUser(username)
user = self._users[username]
return user.get_all_settings()
def get_user_setting(self, username, key):
if username not in self._users:
raise UnknownUser(username)
user = self._users[username]
return user.get_setting(key)
def generate_api_key(self, username):
if username not in self._users:
raise UnknownUser(username)
user = self._users[username]
user._apikey = generate_api_key()
self._dirty = True
self._save()
return user._apikey
def delete_api_key(self, username):
if username not in self._users:
raise UnknownUser(username)
user = self._users[username]
user._apikey = None
self._dirty = True
self._save()
def remove_user(self, username):
UserManager.remove_user(self, username)
if username not in self._users:
raise UnknownUser(username)
del self._users[username]
self._dirty = True
self._save()
def find_user(self, userid=None, apikey=None, session=None, fresh=False):
user = UserManager.find_user(self, userid=userid, session=session)
if user is not None or (session and fresh):
return user
if userid is not None:
if userid not in self._users:
return None
return self._users[userid]
elif apikey is not None:
for user in self._users.values():
if apikey == user._apikey:
return user
return None
else:
return None
def get_all_users(self):
return list(self._users.values())
def has_been_customized(self):
return self._customized
def on_group_permissions_changed(self, group, added=None, removed=None):
# refresh our group references
for user in self.get_all_users():
if group in user.groups:
self._refresh_groups(user)
# call parent
UserManager.on_group_permissions_changed(
self, group, added=added, removed=removed
)
def on_group_subgroups_changed(self, group, added=None, removed=None):
# refresh our group references
for user in self.get_all_users():
if group in user.groups:
self._refresh_groups(user)
# call parent
UserManager.on_group_subgroups_changed(self, group, added=added, removed=removed)
# ~~ Helpers
def _to_groups(self, *groups):
return list(
set(
filter(
lambda x: x is not None,
(self._group_manager._to_group(group) for group in groups),
)
)
)
def _to_permissions(self, *permissions):
return list(
set(
filter(
lambda x: x is not None,
(Permissions.find(permission) for permission in permissions),
)
)
)
def _from_groups(self, *groups):
return list({group.key for group in groups})
def _from_permissions(self, *permissions):
return list({permission.key for permission in permissions})
# ~~ Deprecated methods follow
# TODO: Remove deprecated methods in OctoPrint 1.5.0
generateApiKey = deprecated(
"generateApiKey has been renamed to generate_api_key",
includedoc="Replaced by :func:`generate_api_key`",
since="1.4.0",
)(generate_api_key)
deleteApiKey = deprecated(
"deleteApiKey has been renamed to delete_api_key",
includedoc="Replaced by :func:`delete_api_key`",
since="1.4.0",
)(delete_api_key)
addUser = deprecated(
"addUser has been renamed to add_user",
includedoc="Replaced by :func:`add_user`",
since="1.4.0",
)(add_user)
changeUserActivation = deprecated(
"changeUserActivation has been renamed to change_user_activation",
includedoc="Replaced by :func:`change_user_activation`",
since="1.4.0",
)(change_user_activation)
changeUserPassword = deprecated(
"changeUserPassword has been renamed to change_user_password",
includedoc="Replaced by :func:`change_user_password`",
since="1.4.0",
)(change_user_password)
getUserSetting = deprecated(
"getUserSetting has been renamed to get_user_setting",
includedoc="Replaced by :func:`get_user_setting`",
since="1.4.0",
)(get_user_setting)
getAllUserSettings = deprecated(
"getAllUserSettings has been renamed to get_all_user_settings",
includedoc="Replaced by :func:`get_all_user_settings`",
since="1.4.0",
)(get_all_user_settings)
changeUserSetting = deprecated(
"changeUserSetting has been renamed to change_user_setting",
includedoc="Replaced by :func:`change_user_setting`",
since="1.4.0",
)(change_user_setting)
changeUserSettings = deprecated(
"changeUserSettings has been renamed to change_user_settings",
includedoc="Replaced by :func:`change_user_settings`",
since="1.4.0",
)(change_user_settings)
removeUser = deprecated(
"removeUser has been renamed to remove_user",
includedoc="Replaced by :func:`remove_user`",
since="1.4.0",
)(remove_user)
findUser = deprecated(
"findUser has been renamed to find_user",
includedoc="Replaced by :func:`find_user`",
since="1.4.0",
)(find_user)
getAllUsers = deprecated(
"getAllUsers has been renamed to get_all_users",