forked from ScoDoc/ScoDoc
105 lines
3.5 KiB
Python
105 lines
3.5 KiB
Python
# -*- mode: python -*-
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# -*- coding: utf-8 -*-
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"""Functions checking permissions for some common operations
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"""
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from flask import g
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from flask_login import current_user
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from app import db
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from app.auth.models import User
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import app.scodoc.notesdb as ndb
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from app.scodoc.sco_permissions import Permission
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from app.scodoc import html_sco_header
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from app.scodoc import sco_etud
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from app.scodoc import sco_exceptions
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def can_suppress_annotation(annotation_id):
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"""True if current user can suppress this annotation
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Seuls l'auteur de l'annotation et le chef de dept peuvent supprimer
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une annotation.
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"""
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cnx = ndb.GetDBConnexion()
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annos = sco_etud.etud_annotations_list(cnx, args={"id": annotation_id})
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if len(annos) != 1:
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raise sco_exceptions.ScoValueError("annotation inexistante !")
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anno = annos[0]
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return (current_user.user_name == anno["author"]) or current_user.has_permission(
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Permission.EtudAddAnnotations
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)
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def can_edit_suivi():
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"""Vrai si l'utilisateur peut modifier les informations de suivi sur la page etud" """
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return current_user.has_permission(Permission.EtudChangeAdr)
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def is_chef_or_diretud(sem): # remplacé par formsemestre.est_chef_or_diretud
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"Vrai si utilisateur est admin, chef dept ou responsable du semestre"
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if (
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current_user.has_permission(Permission.EditFormSemestre)
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or current_user.id in sem["responsables"]
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):
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return True
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return False
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def check_access_diretud(
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formsemestre_id, required_permission=Permission.EditFormSemestre
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):
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"""Check if access granted: responsable or EditFormSemestre
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Return True|False, HTML_error_page
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"""
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from app.scodoc import sco_formsemestre
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sem = sco_formsemestre.get_formsemestre(formsemestre_id)
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header = html_sco_header.sco_header(page_title="Accès interdit")
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footer = html_sco_header.sco_footer()
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if (current_user.id not in sem["responsables"]) and not current_user.has_permission(
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required_permission
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):
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return (
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False,
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"\n".join(
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[
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header,
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"<h2>Opération non autorisée pour %s</h2>" % current_user,
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"<p>Responsable de ce semestre : <b>%s</b></p>"
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% ", ".join(
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[
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db.session.get(User, i).get_prenomnom()
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for i in sem["responsables"]
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]
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),
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footer,
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]
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),
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)
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else:
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return True, ""
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def can_handle_passwd(user: User, allow_admindepts=False) -> bool:
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"""True if the current user can see or change passwd info of user.
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If allow_admindepts, allow Admin from all depts (so they can view users from other depts
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and add roles to them).
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user is a User instance.
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"""
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if not user:
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return False
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if current_user.is_administrator():
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return True # super admin
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# Anyone can change his own passwd (or see his informations)
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if user.user_name == current_user.user_name:
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return True
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# If don't have permission in the current dept, abort
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if not current_user.has_permission(Permission.UsersAdmin, g.scodoc_dept):
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return False
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# Now check that current_user can manage users from this departement
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if not current_user.dept:
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return True # if no dept, can access users from all depts !
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if (current_user.dept == user.dept) or allow_admindepts:
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return True
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return False
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