mirror of https://gitlab.crans.org/bde/nk20
Update a lot of things
This commit is contained in:
Yohann D'ANELLO
parent
a014a97e14
commit
30ce17b644
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@ -78,6 +78,10 @@ def save_object(sender, instance, **kwargs):
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user, ip = get_user_and_ip(sender)
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from django.contrib.auth.models import AnonymousUser
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if isinstance(user, AnonymousUser):
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user = None
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if user is not None and instance._meta.label_lower == "auth.user" and previous:
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# Don't save last login modifications
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if instance.last_login != previous.last_login:
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@ -6,7 +6,7 @@ from django.contrib.auth.admin import UserAdmin
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from django.contrib.auth.models import User
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from .forms import ProfileForm
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from .models import Club, Membership, Profile, Role
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from .models import Club, Membership, Profile, Role, RolePermissions
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class ProfileInline(admin.StackedInline):
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@ -40,3 +40,4 @@ admin.site.register(User, CustomUserAdmin)
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admin.site.register(Club)
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admin.site.register(Membership)
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admin.site.register(Role)
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admin.site.register(RolePermissions)
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@ -1,33 +1,37 @@
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from django.contribs.contenttype.models import ContentType
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# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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from member.models import Club, Membership, RolePermissions
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from django.contrib.auth.backends import ModelBackend
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class PermissionBackend(object):
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class PermissionBackend(ModelBackend):
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supports_object_permissions = True
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supports_anonymous_user = False
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supports_inactive_user = False
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def authenticate(self, username, password):
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return None
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def permissions(self, user, obj):
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for membership in user.memberships.all():
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if not membership.valid() or membership.role is None:
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def permissions(self, user):
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for membership in Membership.objects.filter(user=user).all():
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if not membership.valid() or membership.roles is None:
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continue
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for permission in RolePermissions.objects.get(role=membership.role).permissions.objects.all():
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permission = permission.about(user=user, club=membership.club)
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yield permission
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for role_permissions in RolePermissions.objects.filter(role=membership.roles).all():
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for permission in role_permissions.permissions.all():
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permission = permission.about(user=user, club=membership.club)
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yield permission
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def has_perm(self, user_obj, perm, obj=None):
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if user_obj.is_superuser:
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return True
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if obj is None:
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return False
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perm = perm.split('_', 3)
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perm_type = perm[1]
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perm_field = perm[2] if len(perm) == 3 else None
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return any(permission.applies(obj, perm_type, perm_field) for obj in self.permissions(user_obj, obj))
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return any(permission.applies(obj, perm_type, perm_field) for permission in self.permissions(user_obj))
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def has_module_perms(self, user_obj, app_label):
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return False
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def get_all_permissions(self, user_obj, obj=None):
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if obj is None:
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return []
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else:
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return list(self.permissions(user_obj, obj))
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return list(self.permissions(user_obj))
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@ -154,9 +154,9 @@ class Membership(models.Model):
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def valid(self):
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if self.date_end is not None:
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return self.date_start <= datetime.datetime.now() < self.date_end
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return self.date_start.toordinal() <= datetime.datetime.now().toordinal() < self.date_end.toordinal()
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else:
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return self.date_start <= datetime.datetime.now()
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return self.date_start.toordinal() <= datetime.datetime.now().toordinal()
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class Meta:
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verbose_name = _('membership')
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@ -1,3 +1,6 @@
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# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-lateré
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from django.contrib import admin
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from .models import Permission
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@ -1,3 +1,6 @@
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# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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from django.apps import AppConfig
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@ -1,3 +1,6 @@
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# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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import functools
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import json
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import operator
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@ -24,28 +27,25 @@ class InstancedPermission:
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"""
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if self.type == 'add':
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if permission_type == self.type:
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return self.query(obj)
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return obj in self.model.modelclass().objects.get(self.query)
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if ContentType.objects.get_for_model(obj) != self.model:
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# The permission does not apply to the model
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return False
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if self.permission is None:
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if permission_type == self.type:
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if field_name is not None:
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return field_name == self.field
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else:
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return True
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else:
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if permission_type == self.type:
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if field_name and field_name != self.field:
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return False
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elif obj in self.model.objects.get(self.query):
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return True
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return obj in self.model.model_class().objects.filter(self.query).all()
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else:
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return False
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def __repr__(self):
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if self.field:
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return _("Can {type} {model}.{field} in {permission}").format(type=self.type, model=self.model, field=self.field, permission=self.permission)
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return _("Can {type} {model}.{field} in {query}").format(type=self.type, model=self.model, field=self.field, query=self.query)
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else:
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return _("Can {type} {model} in {permission}").format(type=self.type, model=self.model, permission=self.permission)
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return _("Can {type} {model} in {query}").format(type=self.type, model=self.model, query=self.query)
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def __str__(self):
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return self.__repr__()
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class Permission(models.Model):
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@ -61,24 +61,24 @@ class Permission(models.Model):
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# A json encoded Q object with the following grammar
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# query -> [] | {} (the empty query representing all objects)
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# query -> ['AND', query, …] AND multiple queries
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# | ['OR', query, …] OR multiple queries
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# | ['NOT', query] Opposite of query
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# query -> ["AND", query, …] AND multiple queries
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# | ["OR", query, …] OR multiple queries
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# | ["NOT", query] Opposite of query
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# query -> {key: value, …} A list of fields and values of a Q object
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# key -> string A field name
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# value -> int | string | bool | null Literal values
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# | [parameter] A parameter
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# | {'F': oper} An F object
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# | {"F": oper} An F object
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# oper -> [string] A parameter
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# | ['ADD', oper, …] Sum multiple F objects or literal
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# | ['SUB', oper, oper] Substract two F objects or literal
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# | ['MUL', oper, …] Multiply F objects or literals
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# | ["ADD", oper, …] Sum multiple F objects or literal
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# | ["SUB", oper, oper] Substract two F objects or literal
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# | ["MUL", oper, …] Multiply F objects or literals
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# | int | string | bool | null Literal values
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# | ['F', string] A field
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# | ["F", string] A field
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#
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# Examples:
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# Q(is_admin=True) := {'is_admin': ['TYPE', 'bool', 'True']}
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# ~Q(is_admin=True) := ['NOT', {'is_admin': ['TYPE', 'bool', 'True']}]
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# Q(is_superuser=True) := {"is_superuser": true}
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# ~Q(is_superuser=True) := ["NOT", {"is_superuser": true}]
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query = models.TextField()
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type = models.CharField(max_length=15, choices=PERMISSION_TYPES)
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@ -94,23 +94,22 @@ class Permission(models.Model):
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if self.field and self.type not in {'view', 'change'}:
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raise ValidationError(_("Specifying field applies only to view and change permission types."))
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def save(self):
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def save(self, **kwargs):
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self.full_clean()
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super().save()
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@staticmethod
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def compute_f(_oper, **kwargs):
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oper = _oper
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def compute_f(oper, **kwargs):
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if isinstance(oper, list):
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if len(oper) == 1:
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return kwargs[oper[0]].pk
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elif len(oper) >= 2:
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if oper[0] == 'ADD':
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return functools.reduce(operator.add, [compute_f(oper, **kwargs) for oper in oper[1:]])
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return functools.reduce(operator.add, [Permission.compute_f(oper, **kwargs) for oper in oper[1:]])
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elif oper[0] == 'SUB':
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return compute_f(oper[1], **kwargs) - compute_f(oper[2], **kwargs)
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return Permission.compute_f(oper[1], **kwargs) - Permission.compute_f(oper[2], **kwargs)
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elif oper[0] == 'MUL':
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return functools.reduce(operator.mul, [compute_f(oper, **kwargs) for oper in oper[1:]])
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return functools.reduce(operator.mul, [Permission.compute_f(oper, **kwargs) for oper in oper[1:]])
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elif oper[0] == 'F':
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return F(oper[1])
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else:
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@ -118,9 +117,7 @@ class Permission(models.Model):
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# TODO: find a better way to crash here
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raise Exception("F is wrong")
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def _about(_self, _query, **kwargs):
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self = _self
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query = _query
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def _about(self, query, **kwargs):
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if self.type == 'add':
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# Handle add permission differently
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return self._about_add(query, **kwargs)
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@ -145,7 +142,7 @@ class Permission(models.Model):
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q_kwargs[key] = kwargs[value[0]].pk
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elif isinstance(value, dict):
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# It is an F object
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q_kwargs[key] = compute_f(query['F'], **kwargs)
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q_kwargs[key] = Permission.compute_f(query['F'], **kwargs)
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else:
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q_kwargs[key] = value
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return Q(**q_kwargs)
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@ -153,16 +150,15 @@ class Permission(models.Model):
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# TODO: find a better way to crash here
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raise Exception("query {} is wrong".format(self.query))
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def _about_add(_self, _query, **kwargs):
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self = _self
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def _about_add(self, _query, **kwargs):
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query = _query
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if len(query) == 0:
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return lambda _: True
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if isinstance(query, list):
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if query[0] == 'AND':
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return lambda obj: functools.reduce(operator.and_, [self._about_add(query, **kwargs)(obj) for query in query[1:]])
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return lambda obj: functools.reduce(operator.and_, [self._about_add(q, **kwargs)(obj) for q in query[1:]])
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elif query[0] == 'OR':
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return lambda obj: functools.reduce(operator.or_, [self._about_add(query, **kwargs)(obj) for query in query[1:]])
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return lambda obj: functools.reduce(operator.or_, [self._about_add(q, **kwargs)(obj) for q in query[1:]])
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elif query[0] == 'NOT':
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return lambda obj: not self._about_add(query[1], **kwargs)(obj)
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elif isinstance(query, dict):
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@ -174,7 +170,7 @@ class Permission(models.Model):
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q_kwargs[key] = kwargs[value[0]].pk
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elif isinstance(value, dict):
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# It is an F object
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q_kwargs[key] = compute_f(query['F'], **kwargs)
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q_kwargs[key] = Permission.compute_f(query['F'], **kwargs)
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else:
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q_kwargs[key] = value
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def func(obj):
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@ -1,3 +1,6 @@
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# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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from django.test import TestCase
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# Create your tests here.
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@ -1,3 +1,6 @@
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# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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from django.shortcuts import render
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# Create your views here.
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@ -37,7 +37,6 @@ INSTALLED_APPS = [
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# External apps
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'polymorphic',
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'guardian',
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'reversion',
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'crispy_forms',
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'django_tables2',
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@ -134,8 +133,8 @@ PASSWORD_HASHERS = [
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# Django Guardian object permissions
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AUTHENTICATION_BACKENDS = (
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'django.contrib.auth.backends.ModelBackend', # this is default
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'guardian.backends.ObjectPermissionBackend',
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#'django.contrib.auth.backends.ModelBackend', # this is default
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'member.backends.PermissionBackend',
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'cas.backends.CASBackend',
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)
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@ -153,8 +152,6 @@ REST_FRAMEWORK = {
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ANONYMOUS_USER_NAME = None # Disable guardian anonymous user
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GUARDIAN_GET_CONTENT_TYPE = 'polymorphic.contrib.guardian.get_polymorphic_base_content_type'
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# Internationalization
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# https://docs.djangoproject.com/en/2.2/topics/i18n/
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@ -9,7 +9,6 @@ django-cas-server==1.1.0
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django-crispy-forms==1.7.2
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django-extensions==2.1.9
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django-filter==2.2.0
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django-guardian==2.1.0
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django-polymorphic==2.0.3
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djangorestframework==3.9.0
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django-rest-polymorphic==0.1.8
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