ScoDoc/app/auth/models.py

890 lines
33 KiB
Python

# -*- coding: UTF-8 -*
"""Users and Roles models for ScoDoc
"""
import base64
from datetime import datetime, timedelta
import os
import re
from time import time
from typing import Optional
import cracklib # pylint: disable=import-error
from flask import current_app, flash, g
from flask_login import UserMixin, AnonymousUserMixin
from sqlalchemy.exc import (
IntegrityError,
DataError,
DatabaseError,
OperationalError,
ProgrammingError,
StatementError,
InterfaceError,
)
from werkzeug.security import generate_password_hash, check_password_hash
import jwt
from app import db, email, log, login
from app.models import Departement, ScoDocModel
from app.models import SHORT_STR_LEN, USERNAME_STR_LEN
from app.models.config import ScoDocSiteConfig
from app.scodoc.sco_exceptions import ScoValueError
from app.scodoc.sco_permissions import Permission
from app.scodoc.sco_roles_default import SCO_ROLES_DEFAULTS
import app.scodoc.sco_utils as scu
VALID_LOGIN_EXP = re.compile(r"^[a-zA-Z0-9@\\\-_\.]+$")
DEFAULT_RESET_TOKEN_DURATION = 24 * 60 * 60 # seconds (default 24h)
def is_valid_password(cleartxt) -> bool:
"""Check password.
returns True if OK.
"""
if (
hasattr(scu.CONFIG, "MIN_PASSWORD_LENGTH")
and scu.CONFIG.MIN_PASSWORD_LENGTH > 0
and len(cleartxt) < scu.CONFIG.MIN_PASSWORD_LENGTH
):
return False # invalid: too short
try:
_ = cracklib.FascistCheck(cleartxt)
return True
except ValueError:
return False
def is_valid_user_name(user_name: str) -> bool:
"Check that user_name (aka login) is valid"
return (
user_name
and (len(user_name) >= 2)
and (len(user_name) < USERNAME_STR_LEN)
and VALID_LOGIN_EXP.match(user_name)
)
class User(UserMixin, ScoDocModel):
"""ScoDoc users, handled by Flask / SQLAlchemy"""
id = db.Column(db.Integer, primary_key=True)
user_name = db.Column(db.String(USERNAME_STR_LEN), index=True, unique=True)
"le login"
email = db.Column(db.String(120))
"email à utiliser par ScoDoc"
email_institutionnel = db.Column(db.String(120))
"email dans l'établissement, facultatif"
nom = db.Column(db.String(USERNAME_STR_LEN))
prenom = db.Column(db.String(USERNAME_STR_LEN))
dept = db.Column(db.String(SHORT_STR_LEN), index=True)
"acronyme du département de l'utilisateur"
active = db.Column(db.Boolean, default=True, index=True)
"si faux, compte utilisateur désactivé"
cas_id = db.Column(db.Text(), index=True, unique=True, nullable=True)
"uid sur le CAS (id, mail ou autre attribut, selon config.cas_attribute_id)"
cas_allow_login = db.Column(
db.Boolean, default=False, server_default="false", nullable=False
)
"Peut-on se logguer via le CAS ?"
cas_allow_scodoc_login = db.Column(
db.Boolean, default=False, server_default="false", nullable=False
)
"""Si CAS activé et forcé, peut-on se logguer sur ScoDoc directement ?
(le rôle ScoSuperAdmin peut toujours, mettre à True pour les utilisateur API)
"""
cas_last_login = db.Column(db.DateTime, nullable=True)
"""date du dernier login via CAS"""
edt_id = db.Column(db.Text(), index=True, nullable=True)
"identifiant emplois du temps (unicité non imposée)"
password_hash = db.Column(db.Text()) # les hashs modernes peuvent être très longs
password_scodoc7 = db.Column(db.String(42))
last_seen = db.Column(db.DateTime, default=datetime.now)
date_modif_passwd = db.Column(db.DateTime, default=datetime.now)
date_created = db.Column(db.DateTime, default=datetime.now)
date_expiration = db.Column(db.DateTime, default=None)
passwd_must_be_changed = db.Column(
db.Boolean, nullable=False, server_default="false", default=False
)
passwd_temp = db.Column(db.Boolean, default=False)
"""champ obsolete. Si connexion alors que passwd_temp est vrai,
efface mot de passe et redirige vers accueil."""
token = db.Column(db.Text(), index=True, unique=True)
token_expiration = db.Column(db.DateTime)
# Define the back reference from User to ModuleImpl
modimpls = db.relationship("ModuleImpl", back_populates="responsable")
roles = db.relationship("Role", secondary="user_role", viewonly=True)
Permission = Permission
_departement = db.relationship(
"Departement",
foreign_keys=[Departement.acronym],
primaryjoin=(dept == Departement.acronym),
lazy="select",
passive_deletes="all",
uselist=False,
)
def __init__(self, **kwargs):
"user_name:str is mandatory"
self.roles = []
self.user_roles = []
# check login:
if "user_name" not in kwargs:
raise ValueError("missing user_name argument")
if not is_valid_user_name(kwargs["user_name"]):
raise ValueError(f"invalid user_name: {kwargs['user_name']}")
kwargs["nom"] = kwargs.get("nom", "") or ""
kwargs["prenom"] = kwargs.get("prenom", "") or ""
super().__init__(**kwargs)
# Ajoute roles:
if (
not self.roles
and self.email
and self.email == current_app.config["SCODOC_ADMIN_MAIL"]
):
# super-admin
admin_role = Role.query.filter_by(name="SuperAdmin").first()
assert admin_role
self.add_role(admin_role, None)
db.session.commit()
# current_app.logger.info("creating user with roles={}".format(self.roles))
def __repr__(self):
return f"""<User {self.user_name} id={self.id} dept={self.dept}{
' (inactive)' if not self.active else ''}>"""
def __str__(self):
return self.user_name
@classmethod
def get_user(cls, user_id: int | str, accept_none=False):
"""Get user by id, user_name or User instance, ou 404 (ou None si accept_none)
If user_id == -1, returns None (without exception)
"""
query = None
if isinstance(user_id, str):
query = db.session.query(cls).filter_by(user_name=user_id)
elif isinstance(user_id, int):
if user_id == -1:
return None
query = db.session.query(cls).filter_by(id=user_id)
elif isinstance(user_id, User):
return user_id
else:
raise ValueError("invalid user_id")
return query.first_or_404() if not accept_none else query.first()
def can_login_using_cas(self, require_cas_id=False) -> bool:
"""True si l'utilisateur peut se connecter via CAS.
Attention: si le cas_id est extrait de l'adresse mail, il est au départ vide.
L'argument require_cas_id indique si on le requiert ou pas.
"""
return (
self.cas_allow_login
and (self.cas_id or not require_cas_id)
and ScoDocSiteConfig.is_cas_enabled()
)
def can_login_using_scodoc(self) -> bool:
"""True si l'utilisateur peut (essayer de) se connecter avec son compte local ScoDoc
(si par ailleurs un mot de passe valide existe et que le compte est actif)
Toujours vrai pour le super-admin ou si CAS non activé.
Si CAS forcé, il faut cas_allow_scodoc_login.
"""
if self.is_administrator():
return True # super admin ou autorisation individuelle
if not ScoDocSiteConfig.is_cas_enabled():
return True # CAS not enabled
return self.cas_allow_scodoc_login or not ScoDocSiteConfig.is_cas_forced()
def set_password(self, password: str):
"Set password"
log(f"set_password({self})")
previous_hash = self.password_hash
if password:
self.password_hash = generate_password_hash(password)
else:
self.password_hash = None
if self.password_hash != previous_hash:
self.date_modif_passwd = datetime.now()
# La création d'un mot de passe efface l'éventuel mot de passe historique
self.password_scodoc7 = None
self.passwd_temp = False
# Retire le flag
self.passwd_must_be_changed = False
def check_password(self, password: str) -> bool:
"""Check given password vs current one.
Returns `True` if the password matched, `False` otherwise.
Also checks for temporary passwords and if CAS disables scodoc login.
"""
if not self.active: # inactived users can't login
current_app.logger.warning(
f"auth: login attempt from inactive account {self}"
)
return False
if self.passwd_temp:
# Anciens comptes ScoDoc 7 non migrés
# désactive le compte par sécurité.
current_app.logger.warning(f"auth: desactivating legacy account {self}")
self.active = False
self.passwd_temp = True
db.session.add(self)
db.session.commit()
send_notif_desactivation_user(self)
return False
if not self.can_login_using_scodoc():
return False
if not self.password_hash: # user without password can't login
if self.password_scodoc7:
# Special case: user freshly migrated from ScoDoc7
return self._migrate_scodoc7_password(password)
return False
return check_password_hash(self.password_hash, password)
def _migrate_scodoc7_password(self, password) -> bool:
"""After migration, rehash password."""
if scu.check_scodoc7_password(self.password_scodoc7, password):
current_app.logger.warning(
f"auth: migrating legacy ScoDoc7 password for {self}"
)
self.set_password(password)
self.password_scodoc7 = None
db.session.add(self)
db.session.commit()
return True
return False
def get_reset_password_token(
self, expires_in=DEFAULT_RESET_TOKEN_DURATION
) -> str | None:
"""Un token pour réinitialiser son mot de passe.
Par défaut valide durant 24 heures.
Note: si le CAS est obligatoire pour l'utilisateur, renvoie None
"""
# si la config CAS interdit le login ScoDoc, pas de token
if not self.can_login_using_scodoc():
return None
token = jwt.encode(
{"reset_password": self.id, "exp": time() + expires_in},
current_app.config["SECRET_KEY"],
algorithm="HS256",
)
return token
@staticmethod
def verify_reset_password_token(token):
"Vérification du token de ré-initialisation du mot de passe"
try:
token = jwt.decode(
token, current_app.config["SECRET_KEY"], algorithms=["HS256"]
)
except jwt.exceptions.ExpiredSignatureError:
log("verify_reset_password_token: token expired")
return None
except Exception as exc: # pylint: disable=bare-except
log("verify_reset_password_token: checking token '{token}'")
log(f"verify_reset_password_token: {exc}")
return None
try:
user_id = token["reset_password"]
# double check en principe inutile car déjà fait dans decode()
expire = float(token["exp"])
if time() > expire:
log(f"verify_reset_password_token: token expired for uid={user_id}")
return None
except (TypeError, KeyError):
return None
return db.session.get(User, user_id)
def sort_key(self) -> tuple:
"sort key"
return (
(self.nom or "").upper(),
(self.prenom or "").upper(),
(self.user_name or "").upper(),
)
def to_dict(self, include_email=True):
"""l'utilisateur comme un dict, avec des champs supplémentaires"""
data = {
"date_expiration": (
self.date_expiration.isoformat() + "Z" if self.date_expiration else None
),
"date_modif_passwd": (
self.date_modif_passwd.isoformat() + "Z"
if self.date_modif_passwd
else None
),
"passwd_must_be_changed": self.passwd_must_be_changed,
"date_created": (
self.date_created.isoformat() + "Z" if self.date_created else None
),
"dept": self.dept,
"id": self.id,
"active": self.active,
"cas_id": self.cas_id,
"cas_allow_login": self.cas_allow_login,
"cas_allow_scodoc_login": self.cas_allow_scodoc_login,
"cas_last_login": (
self.cas_last_login.isoformat() + "Z" if self.cas_last_login else None
),
"edt_id": self.edt_id,
"status_txt": "actif" if self.active else "fermé",
"last_seen": self.last_seen.isoformat() + "Z" if self.last_seen else None,
"nom": self.nom or "",
"prenom": self.prenom or "",
"roles_string": self.get_roles_string(), # eg "Ens_RT, Ens_Info"
"user_name": self.user_name,
# Les champs calculés:
"nom_fmt": self.get_nom_fmt(),
"prenom_fmt": self.get_prenom_fmt(),
"nomprenom": self.get_nomprenom(),
"prenomnom": self.get_prenomnom(),
"nomplogin": self.get_nomplogin(),
"nomcomplet": self.get_nomcomplet(),
}
if include_email:
data["email"] = self.email or ""
data["email_institutionnel"] = self.email_institutionnel or ""
return data
@classmethod
def convert_dict_fields(cls, args: dict) -> dict:
"""Convert fields in the given dict. No other side effect.
args: dict with args in application.
returns: dict to store in model's db.
Convert boolean values to bools.
"""
args_dict = args
# Dates
if "date_expiration" in args:
date_expiration = args.get("date_expiration")
if isinstance(date_expiration, str):
args["date_expiration"] = (
datetime.fromisoformat(date_expiration) if date_expiration else None
)
# booléens:
for field in ("active", "cas_allow_login", "cas_allow_scodoc_login"):
if field in args:
args_dict[field] = scu.to_bool(args.get(field))
# chaines ne devant pas être NULLs
for field in ("nom", "prenom"):
if field in args:
args[field] = args[field] or ""
# chaines ne devant pas être vides mais au contraire null (unicité)
if "cas_id" in args:
args["cas_id"] = args["cas_id"] or None
return args_dict
def from_dict(self, args: dict, new_user=False):
"""Set users' attributes from given dict values.
- roles_string : roles, encoded like "Ens_RT, Secr_CJ"
- date_expiration is a dateime object.
Does not check permissions here.
"""
if new_user:
if "user_name" in args:
# never change name of existing users
# (see change_user_name method to do that)
if not is_valid_user_name(args["user_name"]):
raise ValueError(f"invalid user_name: {args['user_name']}")
self.user_name = args["user_name"]
if "password" in args:
self.set_password(args["password"])
# Roles: roles_string is "Ens_RT, Secr_RT, ..."
if "roles_string" in args:
self.user_roles = []
for r_d in args["roles_string"].split(","):
if r_d:
role, dept = UserRole.role_dept_from_string(r_d)
self.add_role(role, dept)
# email_institutionnel may not be unique, but check and warns user
email_institutionnel = args.get("email_institutionnel")
if email_institutionnel and email_institutionnel != self.email_institutionnel:
nb_with_this_mail = (
db.session.query(User)
.filter_by(email_institutionnel=email_institutionnel)
.count()
)
if nb_with_this_mail > 0:
log(
"User.from_dict: plusieurs utilisateurs avec ce mail institutionnel"
)
flash(
"Attention: plusieurs utilisateurs avec ce mail institutionnel",
"warning",
)
super().from_dict(
args, excluded={"cas_id", "user_name", "roles_string", "roles"}
)
new_cas_id = args.get("cas_id", "").strip() or None
if ScoDocSiteConfig.cas_uid_use_scodoc():
new_cas_id = self.user_name
else:
# Set cas_id using regexp if configured:
exp = ScoDocSiteConfig.get("cas_uid_from_mail_regexp")
if exp and self.email_institutionnel:
cas_id = ScoDocSiteConfig.extract_cas_id(self.email_institutionnel)
if cas_id:
new_cas_id = cas_id
if new_cas_id != self.cas_id:
existing: User = (
db.session.query(User).filter_by(cas_id=new_cas_id).first()
if new_cas_id is not None
else None
)
if not existing:
self.cas_id = new_cas_id
else:
msg = f"""CAS id invalide pour {self.user_name
}, déjà utilisé par {existing.user_name}"""
log(f"User.from_dict: {msg}")
raise ScoValueError(msg)
def get_token(self, expires_in=3600):
"Un jeton pour cet user. Stocké en base, non commité."
now = datetime.now()
if self.token and self.token_expiration > now + timedelta(seconds=60):
return self.token
self.token = base64.b64encode(os.urandom(24)).decode("utf-8")
self.token_expiration = now + timedelta(seconds=expires_in)
db.session.add(self)
return self.token
def revoke_token(self):
"Révoque le jeton de cet utilisateur"
self.token_expiration = datetime.now() - timedelta(seconds=1)
@staticmethod
def check_token(token):
"""Retreive user for given token, check token's validity
and returns the user object.
"""
user = User.query.filter_by(token=token).first()
if user is None or user.token_expiration < datetime.now():
return None
return user
def get_dept_id(self) -> int:
"returns user's department id, or None"
if self.dept:
return self._departement.id
return None
def get_emails(self):
"List mail adresses to contact this user"
mails = []
if self.email:
mails.append(self.email)
if self.email_institutionnel:
mails.append(self.email_institutionnel)
return mails
# Permissions management:
def has_permission(self, perm: int, dept: str = False):
"""Check if user has permission `perm` in given `dept` (acronym).
Similar to Zope ScoDoc7 `has_permission``
Args:
perm: integer, one of the value defined in Permission class.
dept: dept id (eg 'RT'), default to current departement.
"""
if not self.active:
return False
if dept is False:
dept = g.scodoc_dept
# les role liés à ce département, et les roles avec dept=None (super-admin)
roles_in_dept = (
UserRole.query.filter_by(user_id=self.id)
.filter(
(UserRole.dept == dept)
| (UserRole.dept == None) # pylint: disable=C0121
)
.all()
)
for user_role in roles_in_dept:
if user_role.role.has_permission(perm):
return True
return False
# Role management
def add_role(self, role: "Role", dept: str):
"""Add a role to this user.
:param role: Role to add.
"""
if not isinstance(role, Role):
raise ScoValueError("add_role: rôle invalide")
user_role = UserRole(user=self, role=role, dept=dept)
db.session.add(user_role)
self.user_roles.append(user_role)
def add_roles(self, roles: "list[Role]", dept: str):
"""Add roles to this user.
:param roles: Roles to add.
"""
for role in roles:
self.add_role(role, dept)
def set_roles(self, roles, dept):
"set roles in the given dept"
self.user_roles = []
for r in roles:
if isinstance(r, Role):
self.add_role(r, dept)
def get_roles(self):
"iterator on my roles"
for role in self.roles:
yield role
def get_roles_string(self):
"""string repr. of user's roles (with depts)
e.g. "Ens_RT, Ens_Info, Secr_CJ"
"""
return ", ".join(
f"{r.role.name or ''}_{r.dept or ''}"
for r in self.user_roles
if r is not None
)
def get_depts_with_permission(self, permission: int) -> list[str]:
"""Liste des acronymes de département dans lesquels cet utilisateur
possède la permission indiquée.
L'"acronyme" None signifie "tous les départements".
Si plusieurs permissions (plusieurs bits) sont indiquées, c'est un "ou":
les départements dans lesquels l'utilisateur a l'une des permissions.
"""
return [
user_role.dept
for user_role in UserRole.query.filter_by(user=self)
.join(Role)
.filter(Role.permissions.op("&")(permission) != 0)
]
def is_administrator(self):
"True if i'm an active SuperAdmin"
return self.active and self.has_permission(Permission.ScoSuperAdmin, dept=None)
# Some useful strings:
def get_nomplogin(self):
"""nomplogin est le nom en majuscules suivi du prénom et du login
e.g. Dupont Pierre (dupont)
"""
nom = scu.format_nom(self.nom) if self.nom else self.user_name.upper()
return f"{nom} {scu.format_prenom(self.prenom)} ({self.user_name})"
@staticmethod
def get_user_from_nomplogin(nomplogin: str) -> Optional["User"]:
"""Returns User instance from the string "Dupont Pierre (dupont)"
or None if user does not exist
"""
match = re.match(r".*\((.*)\)", nomplogin.strip())
if match:
user_name = match.group(1)
u = User.query.filter_by(user_name=user_name).first()
if u:
return u
return None
def get_nom_fmt(self):
"""Nom formaté: "Martin" """
if self.nom:
return scu.format_nom(self.nom, uppercase=False)
else:
return self.user_name
def get_prenom_fmt(self):
"""Prénom formaté (minuscule capitalisées)"""
return scu.format_prenom(self.prenom)
def get_nomprenom(self):
"""Nom capitalisé suivi de l'initiale du prénom:
Viennet E.
"""
prenom_abbrv = scu.abbrev_prenom(scu.format_prenom(self.prenom))
return (self.get_nom_fmt() + " " + prenom_abbrv).strip()
def get_prenomnom(self):
"""L'initiale du prénom suivie du nom: "J.-C. Dupont" """
prenom_abbrv = scu.abbrev_prenom(scu.format_prenom(self.prenom))
return (prenom_abbrv + " " + self.get_nom_fmt()).strip()
def get_nomcomplet(self):
"Prénom et nom complets"
return scu.format_prenom(self.prenom) + " " + self.get_nom_fmt()
# nomnoacc était le nom en minuscules sans accents (inutile)
def change_user_name(self, new_user_name: str):
"""Modify user name, update all relevant tables.
commit session.
"""
# Safety check
new_user_name = new_user_name.strip()
if (
not is_valid_user_name(new_user_name)
or User.query.filter_by(user_name=new_user_name).count() > 0
):
raise ValueError("invalid user_name")
# Le user_name est utilisé dans d'autres tables (sans être une clé)
# BulAppreciations.author
# EntrepriseHistorique.authenticated_user
# EtudAnnotation.author
# ScolarNews.authenticated_user
# Scolog.authenticated_user
from app.models import (
BulAppreciations,
EtudAnnotation,
ScolarNews,
Scolog,
)
from app.entreprises.models import EntrepriseHistorique
try:
# Update all instances of EtudAnnotation
db.session.query(BulAppreciations).filter(
BulAppreciations.author == self.user_name
).update({BulAppreciations.author: new_user_name})
db.session.query(EntrepriseHistorique).filter(
EntrepriseHistorique.authenticated_user == self.user_name
).update({EntrepriseHistorique.authenticated_user: new_user_name})
db.session.query(EtudAnnotation).filter(
EtudAnnotation.author == self.user_name
).update({EtudAnnotation.author: new_user_name})
db.session.query(ScolarNews).filter(
ScolarNews.authenticated_user == self.user_name
).update({ScolarNews.authenticated_user: new_user_name})
db.session.query(Scolog).filter(
Scolog.authenticated_user == self.user_name
).update({Scolog.authenticated_user: new_user_name})
# And update ourself:
self.user_name = new_user_name
db.session.add(self)
db.session.commit()
except (
IntegrityError,
DataError,
DatabaseError,
OperationalError,
ProgrammingError,
StatementError,
InterfaceError,
) as exc:
db.session.rollback()
raise exc
class AnonymousUser(AnonymousUserMixin):
"Notre utilisateur anonyme"
def has_permission(self, perm, dept=None): # pylint: disable=unused-argument
"always false, anonymous has no permission"
return False
def is_administrator(self):
"always false, anonymous is not admin"
return False
login.anonymous_user = AnonymousUser
class Role(ScoDocModel):
"""Roles for ScoDoc"""
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(64), unique=True, nullable=False, index=True)
default = db.Column(db.Boolean, default=False, index=True)
permissions = db.Column(db.BigInteger) # 64 bits
users = db.relationship("User", secondary="user_role", viewonly=True)
def __init__(self, **kwargs):
super(Role, self).__init__(**kwargs)
if self.permissions is None:
self.permissions = 0
def __repr__(self):
return "<Role {} perm={:0{w}b}>".format(
self.name,
self.permissions & ((1 << Permission.NBITS) - 1),
w=Permission.NBITS,
)
def __str__(self):
return f"{self.name}: perm={', '.join(Permission.permissions_names(self.permissions))}"
def to_dict(self) -> dict:
"As dict. Convert permissions to names."
return {
"id": self.id,
"role_name": self.name, # pour être cohérent avec partion_name, etc.
"permissions": Permission.permissions_names(self.permissions),
}
def add_permission(self, perm: int):
"Add permission to role"
self.permissions |= perm
def remove_permission(self, perm: int):
"Remove permission from role"
self.permissions = self.permissions & ~perm
def reset_permissions(self):
"Remove all permissions from role"
self.permissions = 0
def get_named_permissions(self) -> list[str]:
"List of the names of the permissions associated to this rôle"
return Permission.permissions_names(self.permissions)
def set_named_permissions(self, permission_names: list[str]):
"""Set permissions, given as a list of permissions names.
Raises ScoValueError if invalid permission."""
self.permissions = 0
for permission_name in permission_names:
permission = Permission.get_by_name(permission_name)
if permission is None:
raise ScoValueError("set_named_permissions: invalid permission name")
self.permissions |= permission
def has_permission(self, perm: int) -> bool:
"True if role as this permission"
return self.permissions & perm == perm
@staticmethod
def reset_standard_roles_permissions(reset_permissions=True):
"""Create default roles if missing, then, if reset_permissions,
reset their permissions to default values.
"""
Role.reset_roles_permissions(
SCO_ROLES_DEFAULTS, reset_permissions=reset_permissions
)
@staticmethod
def reset_roles_permissions(roles_perms: dict[str, tuple], reset_permissions=True):
"""Ajoute les permissions aux roles
roles_perms : { "role_name" : (permission, ...) }
reset_permissions : si vrai efface permissions déja existantes
Si le role n'existe pas, il est (re) créé.
"""
default_role = "Observateur"
for role_name, permissions in roles_perms.items():
role = Role.query.filter_by(name=role_name).first()
if role is None:
role = Role(name=role_name)
role.default = role.name == default_role
db.session.add(role)
if reset_permissions:
role.reset_permissions()
for perm in permissions:
role.add_permission(perm)
db.session.add(role)
db.session.commit()
@staticmethod
def ensure_standard_roles():
"""Create default roles if missing"""
Role.reset_standard_roles_permissions(reset_permissions=False)
@staticmethod
def get_named_role(name):
"""Returns existing role with given name, or None."""
return Role.query.filter_by(name=name).first()
class UserRole(ScoDocModel):
"""Associate user to role, in a dept.
If dept is None, the role applies to all departments (eg super admin).
"""
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey("user.id"))
role_id = db.Column(db.Integer, db.ForeignKey("role.id"))
dept = db.Column(db.String(64)) # dept acronym ou NULL
user = db.relationship(
User, backref=db.backref("user_roles", cascade="all, delete-orphan")
)
role = db.relationship(
Role, backref=db.backref("user_roles", cascade="all, delete-orphan")
)
def __repr__(self):
return f"<UserRole u={self.user} r={self.role} dept={self.dept}>"
@staticmethod
def role_dept_from_string(role_dept: str):
"""Return tuple (role, dept) from the string
role_dept, of the forme "Role_Dept".
role is a Role instance, dept is a string, or None.
"""
fields = role_dept.strip().split("_", 1)
# maxsplit=1, le dept peut contenir un "_"
if len(fields) != 2:
current_app.logger.warning(
f"auth: role_dept_from_string: Invalid role_dept '{role_dept}'"
)
raise ScoValueError("Invalid role_dept")
role_name, dept = fields
dept = dept.strip() if dept else ""
if dept == "":
dept = None
role = Role.query.filter_by(name=role_name).first()
if role is None:
raise ScoValueError(f"role {role_name} does not exists")
return (role, dept)
def get_super_admin():
"""L'utilisateur admin (ou le premier, s'il y en a plusieurs).
Utilisé par les tests unitaires et le script de migration.
"""
admin_role = Role.query.filter_by(name="SuperAdmin").first()
assert admin_role
admin_user = (
User.query.join(UserRole)
.filter((UserRole.user_id == User.id) & (UserRole.role_id == admin_role.id))
.first()
)
assert admin_user
return admin_user
def send_notif_desactivation_user(user: User):
"""Envoi un message mail de notification à l'admin et à l'adresse du compte désactivé"""
recipients = user.get_emails() + [current_app.config.get("SCODOC_ADMIN_MAIL")]
txt = [
f"""Le compte ScoDoc '{user.user_name}' associé à votre adresse <{user.email}>""",
"""a été désactivé par le système car son mot de passe n'était pas valide.\n""",
"""Contactez votre responsable pour le ré-activer.\n""",
"""Ceci est un message automatique, ne pas répondre.""",
]
txt = "\n".join(txt)
email.send_email(
f"ScoDoc: désactivation automatique du compte {user.user_name}",
email.get_from_addr(),
recipients,
txt,
)
return txt