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Carlos Ramos Carreño
erp5
Commits
008e061a
Commit
008e061a
authored
Mar 14, 2015
by
wenjie.zheng
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Guard.py: file removed.
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product/ERP5Workflow/Document/Guard.py
product/ERP5Workflow/Document/Guard.py
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product/ERP5Workflow/Document/Guard.py
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##############################################################################
#
# Copyright (c) 2015 Nexedi SARL and Contributors. All Rights Reserved.
# 2015 Wenjie ZHENG <wenjie.zheng@tiolive.com>
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""
Guard conditions in a erp5-configurable workflow.
"""
from
cgi
import
escape
from
AccessControl.SecurityInfo
import
ClassSecurityInfo
from
Acquisition
import
Explicit
from
Acquisition
import
aq_base
from
App.class_init
import
InitializeClass
from
App.special_dtml
import
DTMLFile
from
Persistence
import
Persistent
from
Products.CMFCore.Expression
import
Expression
from
Products.CMFCore.utils
import
_checkPermission
from
Products.DCWorkflow.Expression
import
StateChangeInfo
from
Products.DCWorkflow.Expression
import
createExprContext
from
Products.DCWorkflow.permissions
import
ManagePortal
from
Products.ERP5Type.XMLObject
import
XMLObject
from
Products.ERP5Type
import
Permissions
,
PropertySheet
class
Guard
(
XMLObject
):
permissions
=
()
roles
=
()
groups
=
()
expr
=
None
meta_type
=
'ERP5 Workflow'
portal_type
=
'Guard'
add_permission
=
Permissions
.
AddPortalContent
isPortalContent
=
1
isRADContent
=
1
# Declarative security
security
=
ClassSecurityInfo
()
security
.
declareObjectProtected
(
Permissions
.
AccessContentsInformation
)
# Declarative properties
property_sheets
=
(
PropertySheet
.
Base
,
PropertySheet
.
XMLObject
,
PropertySheet
.
CategoryCore
,
PropertySheet
.
DublinCore
,
PropertySheet
.
Guard
,
)
def
check
(
self
,
sm
,
wf_def
,
ob
,
**
kw
):
"""Checks conditions in this guard.
"""
u_roles
=
None
if
wf_def
.
manager_bypass
:
# Possibly bypass.
u_roles
=
sm
.
getUser
().
getRolesInContext
(
ob
)
if
'Manager'
in
u_roles
:
return
1
if
self
.
permissions
:
for
p
in
self
.
permissions
:
if
_checkPermission
(
p
,
ob
):
break
else
:
return
0
if
self
.
roles
:
# Require at least one of the given roles.
if
u_roles
is
None
:
u_roles
=
sm
.
getUser
().
getRolesInContext
(
ob
)
for
role
in
self
.
roles
:
if
role
in
u_roles
:
break
else
:
return
0
if
self
.
groups
:
# Require at least one of the specified groups.
u
=
sm
.
getUser
()
b
=
aq_base
(
u
)
if
hasattr
(
b
,
'getGroupsInContext'
):
u_groups
=
u
.
getGroupsInContext
(
ob
)
elif
hasattr
(
b
,
'getGroups'
):
u_groups
=
u
.
getGroups
()
else
:
u_groups
=
()
for
group
in
self
.
groups
:
if
group
in
u_groups
:
break
else
:
return
0
expr
=
self
.
expr
if
expr
is
not
None
:
econtext
=
createExprContext
(
StateChangeInfo
(
ob
,
wf_def
,
kwargs
=
kw
))
res
=
expr
(
econtext
)
if
not
res
:
return
0
return
1
security
.
declareProtected
(
ManagePortal
,
'getSummary'
)
def
getSummary
(
self
):
# Perhaps ought to be in DTML.
res
=
[]
if
self
.
permissions
:
res
.
append
(
'Requires permission:'
)
res
.
append
(
formatNameUnion
(
self
.
permissions
))
if
self
.
roles
:
if
res
:
res
.
append
(
'<br/>'
)
res
.
append
(
'Requires role:'
)
res
.
append
(
formatNameUnion
(
self
.
roles
))
if
self
.
groups
:
if
res
:
res
.
append
(
'<br/>'
)
res
.
append
(
'Requires group:'
)
res
.
append
(
formatNameUnion
(
self
.
groups
))
if
self
.
expr
is
not
None
:
if
res
:
res
.
append
(
'<br/>'
)
res
.
append
(
'Requires expr:'
)
res
.
append
(
'<code>'
+
escape
(
self
.
expr
.
text
)
+
'</code>'
)
return
' '
.
join
(
res
)
def
changeFromProperties
(
self
,
props
):
'''
Returns 1 if changes were specified.
'''
if
props
is
None
:
return
0
res
=
0
s
=
props
.
get
(
'guard_permissions'
,
None
)
if
s
:
res
=
1
p
=
[
permission
.
strip
()
for
permission
in
s
.
split
(
';'
)
]
self
.
permissions
=
tuple
(
p
)
s
=
props
.
get
(
'guard_roles'
,
None
)
if
s
:
res
=
1
r
=
[
role
.
strip
()
for
role
in
s
.
split
(
';'
)
]
self
.
roles
=
tuple
(
r
)
s
=
props
.
get
(
'guard_groups'
,
None
)
if
s
:
res
=
1
g
=
[
group
.
strip
()
for
group
in
s
.
split
(
';'
)
]
self
.
groups
=
tuple
(
g
)
s
=
props
.
get
(
'guard_expr'
,
None
)
if
s
:
res
=
1
self
.
expr
=
Expression
(
s
)
return
res
security
.
declareProtected
(
ManagePortal
,
'getPermissionsText'
)
def
getPermissionsText
(
self
):
if
not
self
.
permissions
:
return
''
return
'; '
.
join
(
self
.
permissions
)
security
.
declareProtected
(
ManagePortal
,
'getRolesText'
)
def
getRolesText
(
self
):
if
not
self
.
roles
:
return
''
return
'; '
.
join
(
self
.
roles
)
security
.
declareProtected
(
ManagePortal
,
'getGroupsText'
)
def
getGroupsText
(
self
):
if
not
self
.
groups
:
return
''
return
'; '
.
join
(
self
.
groups
)
security
.
declareProtected
(
ManagePortal
,
'getExprText'
)
def
getExprText
(
self
):
if
not
self
.
expr
:
return
''
return
str
(
self
.
expr
.
text
)
InitializeClass
(
Guard
)
def
formatNameUnion
(
names
):
escaped
=
[
'<code>'
+
escape
(
name
)
+
'</code>'
for
name
in
names
]
if
len
(
escaped
)
==
2
:
return
' or '
.
join
(
escaped
)
elif
len
(
escaped
)
>
2
:
escaped
[
-
1
]
=
' or '
+
escaped
[
-
1
]
return
'; '
.
join
(
escaped
)
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