doc/book/fr/13-security.fr.txt
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Wed, 27 May 2009 15:01:19 +0200
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.. -*- coding: utf-8 -*-
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Utilisateurs de l'application : Le contrôle d'accès
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===================================================
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Vocabulaire
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-----------
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* Personne, Societe définissent deux *types* d'entité 
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* "Personne travaille_pour Societé" déclare qu'une relation
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  travaille_pour peut exister entre une entité de type Personne et une
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  entité de type Societe. L'ensemble des règles de ce type appliqué
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  à la relation "travaille_pour" définit le schéma de la relation
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  "travaille_pour"
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Description du modèle de sécurité
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---------------------------------
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Le modèle de sécurité de CubicWeb est un modèle fondé sur des `Access
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Control List`. Les notions sont les suivantes :
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* utilisateurs et groupes d'utilisateurs
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* un utilisateur appartient à au moins un groupe
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* droits (lire, modifier, créer, supprimer) 
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* les droits sont attribués aux groupes (et non aux utilisateurs)
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Pour CubicWeb plus spécifiquement :
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* on associe les droits au niveau des schemas d'entites / relations
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* pour chaque type d'entité, on distingue les droits de lecture,
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  ajout, modification et suppression
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* pour chaque type de relation, on distingue les droits de lecture,
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  ajout et suppression (on ne peut pas modifer une relation)
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* les groupes de base sont : Administrateurs, Utilisateurs, Invités
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* les utilisateurs font par défaut parti du groupe Utilisateurs
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* on a un groupe virtuel "Utilisateurs Propriétaires", auquel on peut
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  associer uniquement les droits de suppression et de modification
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* on ne peut pas mettre d'utilisateurs dans ce groupe, ils y sont
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  ajoutés implicitement dans le contexte des objets dont ils sont
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  propriétaires 
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* les droits de ce groupe ne sont vérifiés que sur
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  modification / suppression si tous les autres groupes auxquels
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  l'utilisateur appartient se sont vu interdir l'accès
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