hooks/security.py
author Rémi Cardona <remi.cardona@logilab.fr>
Wed, 19 Feb 2014 11:01:19 +0100
branchstable
changeset 9558 1a719ca9c585
parent 9536 1e39c5e91b68
child 9543 39f981482e34
child 9981 7099bbd685aa
permissions -rw-r--r--
[doc/book] Fix typo in import
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
9395
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
     1
# copyright 2003-2013 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
5421
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4999
diff changeset
     2
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4999
diff changeset
     3
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4999
diff changeset
     4
# This file is part of CubicWeb.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4999
diff changeset
     5
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4999
diff changeset
     6
# CubicWeb is free software: you can redistribute it and/or modify it under the
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4999
diff changeset
     7
# terms of the GNU Lesser General Public License as published by the Free
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4999
diff changeset
     8
# Software Foundation, either version 2.1 of the License, or (at your option)
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4999
diff changeset
     9
# any later version.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4999
diff changeset
    10
#
5424
8ecbcbff9777 replace logilab-common by CubicWeb in disclaimer
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5421
diff changeset
    11
# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
5421
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4999
diff changeset
    12
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4999
diff changeset
    13
# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4999
diff changeset
    14
# details.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4999
diff changeset
    15
#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4999
diff changeset
    16
# You should have received a copy of the GNU Lesser General Public License along
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4999
diff changeset
    17
# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    18
"""Security hooks: check permissions to add/delete/update entities according to
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    19
the user connected to a session
5813
0b250d72fcfa [transaction w/ separated web/repo processes] the dbapi should explicitly specify a transaction id to avoid confusion when web server / repository run in separated processes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5670
diff changeset
    20
"""
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    21
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    22
__docformat__ = "restructuredtext en"
9395
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    23
from warnings import warn
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    24
8190
2a3c1b787688 [vreg] move base registry implementation to logilab.common. Closes #1916014
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6426
diff changeset
    25
from logilab.common.registry import objectify_predicate
2a3c1b787688 [vreg] move base registry implementation to logilab.common. Closes #1916014
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6426
diff changeset
    26
9129
6c4ae3a06619 [hooks/security] Streamline attributes default permission check.
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8239
diff changeset
    27
from yams import buildobjs
6c4ae3a06619 [hooks/security] Streamline attributes default permission check.
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8239
diff changeset
    28
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    29
from cubicweb import Unauthorized
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
    30
from cubicweb.server import BEFORE_ADD_RELATIONS, ON_COMMIT_ADD_RELATIONS, hook
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
    31
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    32
9395
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    33
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    34
def check_entity_attributes(session, entity, action, editedattrs=None):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    35
    eid = entity.eid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    36
    eschema = entity.e_schema
5557
1a534c596bff [entity] continue cleanup of Entity/AnyEntity namespace
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5449
diff changeset
    37
    # ._cw_skip_security_attributes is there to bypass security for attributes
8238
087bb529035c [spelling] fix dictionnary -> dictionary typo
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6426
diff changeset
    38
    # set by hooks by modifying the entity's dictionary
4577
049d92fc8614 [security] we should save back edited_attributes in case of multiple modification of an entity during the same transaction
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4570
diff changeset
    39
    if editedattrs is None:
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5849
diff changeset
    40
        editedattrs = entity.cw_edited
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5849
diff changeset
    41
    dontcheck = editedattrs.skip_security
2647
b0a2e779845c enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
    42
    for attr in editedattrs:
4999
221f76e14eea don't update dontcheck until everything went fine:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4970
diff changeset
    43
        if attr in dontcheck:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    44
            continue
9521
9eb810333b0f [hooks/security, devtools/fill] silence yams 0.38.0 warnings
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9129
diff changeset
    45
        rdef = eschema.rdef(attr, takefirst=True)
9129
6c4ae3a06619 [hooks/security] Streamline attributes default permission check.
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8239
diff changeset
    46
        if rdef.final: # non final relation are checked by standard hooks
9395
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    47
            perms = rdef.permissions.get(action)
9129
6c4ae3a06619 [hooks/security] Streamline attributes default permission check.
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8239
diff changeset
    48
            # comparison below works because the default update perm is:
6c4ae3a06619 [hooks/security] Streamline attributes default permission check.
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8239
diff changeset
    49
            #
9395
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    50
            #  ('managers', ERQLExpression(Any X WHERE U has_update_permission X,
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    51
            #                              X eid %(x)s, U eid %(u)s))
9129
6c4ae3a06619 [hooks/security] Streamline attributes default permission check.
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8239
diff changeset
    52
            #
6c4ae3a06619 [hooks/security] Streamline attributes default permission check.
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8239
diff changeset
    53
            # is deserialized in this order (groups first), and ERQLExpression
9395
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    54
            # implements comparison by rql expression.
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    55
            if perms == buildobjs.DEFAULT_ATTRPERMS[action]:
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    56
                # The default rule is to delegate to the entity
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    57
                # rule. This is an historical artefact. Hence we take
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    58
                # this object as a marker saying "no specific"
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    59
                # permission rule for this attribute. Thus we just do
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    60
                # nothing.
9129
6c4ae3a06619 [hooks/security] Streamline attributes default permission check.
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 8239
diff changeset
    61
                continue
9395
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    62
            if perms == ():
9412
8aa6c923d6c0 [security] Add comment to check_entity_attributes shortcut
Julien Cristau <julien.cristau@logilab.fr>
parents: 9395
diff changeset
    63
                # That means an immutable attribute; as an optimization, avoid
8aa6c923d6c0 [security] Add comment to check_entity_attributes shortcut
Julien Cristau <julien.cristau@logilab.fr>
parents: 9395
diff changeset
    64
                # going through check_perm.
9395
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    65
                raise Unauthorized(action, str(rdef))
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    66
            rdef.check_perm(session, action, eid=eid)
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 479
diff changeset
    67
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 479
diff changeset
    68
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142
diff changeset
    69
class CheckEntityPermissionOp(hook.DataOperationMixIn, hook.LateOperation):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    70
    def precommit_event(self):
5448
9bf648d678cd [hooks/operations] use set_operations for three ops (huge gains for massive imports)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5424
diff changeset
    71
        session = self.session
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142
diff changeset
    72
        for eid, action, edited in self.get_data():
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5849
diff changeset
    73
            entity = session.entity_from_eid(eid)
5557
1a534c596bff [entity] continue cleanup of Entity/AnyEntity namespace
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5449
diff changeset
    74
            entity.cw_check_perm(action)
9395
96dba2efd16d [hooks/security] provide attribute "add" permission
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9254
diff changeset
    75
            check_entity_attributes(session, entity, action, edited)
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 479
diff changeset
    76
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 479
diff changeset
    77
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142
diff changeset
    78
class CheckRelationPermissionOp(hook.DataOperationMixIn, hook.LateOperation):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    79
    def precommit_event(self):
5848
b5640328ffad [security] use set_operation for relation permission checking operation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
    80
        session = self.session
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142
diff changeset
    81
        for action, rschema, eidfrom, eidto in self.get_data():
5848
b5640328ffad [security] use set_operation for relation permission checking operation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
    82
            rdef = rschema.rdef(session.describe(eidfrom)[0],
b5640328ffad [security] use set_operation for relation permission checking operation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
    83
                                session.describe(eidto)[0])
b5640328ffad [security] use set_operation for relation permission checking operation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5813
diff changeset
    84
            rdef.check_perm(session, action, fromeid=eidfrom, toeid=eidto)
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 479
diff changeset
    85
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
    86
8190
2a3c1b787688 [vreg] move base registry implementation to logilab.common. Closes #1916014
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6426
diff changeset
    87
@objectify_predicate
4835
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4577
diff changeset
    88
def write_security_enabled(cls, req, **kwargs):
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4577
diff changeset
    89
    if req is None or not req.write_security:
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4577
diff changeset
    90
        return 0
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4577
diff changeset
    91
    return 1
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4577
diff changeset
    92
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
    93
class SecurityHook(hook.Hook):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
    94
    __abstract__ = True
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
    95
    category = 'security'
4835
13b0b96d7982 [repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4577
diff changeset
    96
    __select__ = hook.Hook.__select__ & write_security_enabled()
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
    97
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    98
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
    99
class AfterAddEntitySecurityHook(SecurityHook):
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
   100
    __regid__ = 'securityafteraddentity'
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   101
    events = ('after_add_entity',)
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   102
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   103
    def __call__(self):
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142
diff changeset
   104
        CheckEntityPermissionOp.get_instance(self._cw).add_data(
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142
diff changeset
   105
            (self.entity.eid, 'add', self.entity.cw_edited) )
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   106
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   107
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   108
class AfterUpdateEntitySecurityHook(SecurityHook):
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
   109
    __regid__ = 'securityafterupdateentity'
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   110
    events = ('after_update_entity',)
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   111
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   112
    def __call__(self):
9254
e1369f2dba79 [hooks/security] Defer entity permission checks to an Operation.
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9129
diff changeset
   113
        # save back editedattrs in case the entity is reedited later in the
e1369f2dba79 [hooks/security] Defer entity permission checks to an Operation.
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9129
diff changeset
   114
        # same transaction, which will lead to cw_edited being
e1369f2dba79 [hooks/security] Defer entity permission checks to an Operation.
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9129
diff changeset
   115
        # overwritten
e1369f2dba79 [hooks/security] Defer entity permission checks to an Operation.
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9129
diff changeset
   116
        CheckEntityPermissionOp.get_instance(self._cw).add_data(
e1369f2dba79 [hooks/security] Defer entity permission checks to an Operation.
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 9129
diff changeset
   117
            (self.entity.eid, 'update', self.entity.cw_edited) )
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   118
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   119
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   120
class BeforeDelEntitySecurityHook(SecurityHook):
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
   121
    __regid__ = 'securitybeforedelentity'
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   122
    events = ('before_delete_entity',)
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   123
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   124
    def __call__(self):
5557
1a534c596bff [entity] continue cleanup of Entity/AnyEntity namespace
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5449
diff changeset
   125
        self.entity.cw_check_perm('delete')
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   126
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 479
diff changeset
   127
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   128
class BeforeAddRelationSecurityHook(SecurityHook):
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
   129
    __regid__ = 'securitybeforeaddrelation'
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   130
    events = ('before_add_relation',)
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   131
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   132
    def __call__(self):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   133
        if self.rtype in BEFORE_ADD_RELATIONS:
2968
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2920 2895
diff changeset
   134
            nocheck = self._cw.transaction_data.get('skip-security', ())
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2920 2895
diff changeset
   135
            if (self.eidfrom, self.rtype, self.eidto) in nocheck:
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2920 2895
diff changeset
   136
                return
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   137
            rschema = self._cw.repo.schema[self.rtype]
3890
d7a270f50f54 backport stable branch (one more time painfully)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3877 3720
diff changeset
   138
            rdef = rschema.rdef(self._cw.describe(self.eidfrom)[0],
d7a270f50f54 backport stable branch (one more time painfully)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3877 3720
diff changeset
   139
                                self._cw.describe(self.eidto)[0])
4190
742e3eb16f81 fix bad merge
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4048
diff changeset
   140
            rdef.check_perm(self._cw, 'add', fromeid=self.eidfrom, toeid=self.eidto)
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   141
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   142
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   143
class AfterAddRelationSecurityHook(SecurityHook):
3376
f5c69485381f [appobjects] use __regid__ instead of __id__, more explicit
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2968
diff changeset
   144
    __regid__ = 'securityafteraddrelation'
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   145
    events = ('after_add_relation',)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   146
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   147
    def __call__(self):
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   148
        if not self.rtype in BEFORE_ADD_RELATIONS:
2968
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2920 2895
diff changeset
   149
            nocheck = self._cw.transaction_data.get('skip-security', ())
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2920 2895
diff changeset
   150
            if (self.eidfrom, self.rtype, self.eidto) in nocheck:
0e3460341023 somewhat painful backport of 3.5 branch, should mostly be ok
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2920 2895
diff changeset
   151
                return
2847
c2ee28f4d4b1 use ._cw instead of .cw_req
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2835
diff changeset
   152
            rschema = self._cw.repo.schema[self.rtype]
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   153
            if self.rtype in ON_COMMIT_ADD_RELATIONS:
6426
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142
diff changeset
   154
                CheckRelationPermissionOp.get_instance(self._cw).add_data(
541659c39f6a [hook/operation] nicer api to achieve same result as set_operation, as described in #1253630
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6142
diff changeset
   155
                    ('add', rschema, self.eidfrom, self.eidto) )
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   156
            else:
4003
b9436fe77c9e fix bad merge
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents: 3890
diff changeset
   157
                rdef = rschema.rdef(self._cw.describe(self.eidfrom)[0],
b9436fe77c9e fix bad merge
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents: 3890
diff changeset
   158
                                    self._cw.describe(self.eidto)[0])
b9436fe77c9e fix bad merge
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents: 3890
diff changeset
   159
                rdef.check_perm(self._cw, 'add', fromeid=self.eidfrom, toeid=self.eidto)
2835
04034421b072 [hooks] major refactoring:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2647
diff changeset
   160
4048
12c4f7e2bed6 had been involontarly dropped
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4003
diff changeset
   161
12c4f7e2bed6 had been involontarly dropped
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4003
diff changeset
   162
class BeforeDeleteRelationSecurityHook(SecurityHook):
12c4f7e2bed6 had been involontarly dropped
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4003
diff changeset
   163
    __regid__ = 'securitybeforedelrelation'
12c4f7e2bed6 had been involontarly dropped
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4003
diff changeset
   164
    events = ('before_delete_relation',)
12c4f7e2bed6 had been involontarly dropped
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4003
diff changeset
   165
12c4f7e2bed6 had been involontarly dropped
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4003
diff changeset
   166
    def __call__(self):
12c4f7e2bed6 had been involontarly dropped
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4003
diff changeset
   167
        nocheck = self._cw.transaction_data.get('skip-security', ())
12c4f7e2bed6 had been involontarly dropped
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4003
diff changeset
   168
        if (self.eidfrom, self.rtype, self.eidto) in nocheck:
12c4f7e2bed6 had been involontarly dropped
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4003
diff changeset
   169
            return
12c4f7e2bed6 had been involontarly dropped
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4003
diff changeset
   170
        rschema = self._cw.repo.schema[self.rtype]
12c4f7e2bed6 had been involontarly dropped
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4003
diff changeset
   171
        rdef = rschema.rdef(self._cw.describe(self.eidfrom)[0],
12c4f7e2bed6 had been involontarly dropped
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4003
diff changeset
   172
                            self._cw.describe(self.eidto)[0])
4190
742e3eb16f81 fix bad merge
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4048
diff changeset
   173
        rdef.check_perm(self._cw, 'delete', fromeid=self.eidfrom, toeid=self.eidto)
4048
12c4f7e2bed6 had been involontarly dropped
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4003
diff changeset
   174