StaffPermissionLogic.has_perm() - Code Metrics - lambdalisue/django-permission - Measure and Improve Code Quality continuously with Scrutinizer

StaffPermissionLogic.has_perm() F
last analyzed 2017-03-28 05:50 UTC

↳ Parent: StaffPermissionLogic

Complexity

Conditions

Size

Total Lines

Duplication

Lines	63
Ratio	100 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	19
c	1
b	0
f	0
dl	63
loc	63
rs	2.9282

How to fix Long Method Complexity

# coding=utf-8
"""
Permission logic module for author based permission system
"""
from permission.conf import settings
from permission.logics.base import PermissionLogic
from permission.compat import is_authenticated


class StaffPermissionLogic(PermissionLogic):
    """
    Permission logic class for is_staff authority based permission system
    """
    def __init__(self,
                 any_permission=None,
                 add_permission=None,
                 change_permission=None,
                 delete_permission=None):
        """
        Constructor

        Parameters
        ----------
        any_permission : boolean
            True for give any permission of the specified object to the staff
            user. Default value will be taken from
            ``PERMISSION_DEFAULT_SPL_ANY_PERMISSION`` in
            settings.
        add_permission : boolean
            True for give change permission of the specified object to the
            staff user.
            It will be ignored if :attr:`any_permission` is True.
            Default value will be taken from
            ``PERMISSION_DEFAULT_SPL_ADD_PERMISSION`` in
            settings.
        change_permission : boolean
            True for give change permission of the specified object to the
            staff user.
            It will be ignored if :attr:`any_permission` is True.
            Default value will be taken from
            ``PERMISSION_DEFAULT_SPL_CHANGE_PERMISSION`` in
            settings.
        delete_permission : boolean
            True for give delete permission of the specified object to the
            staff user.
            It will be ignored if :attr:`any_permission` is True.
            Default value will be taken from
            ``PERMISSION_DEFAULT_SPL_DELETE_PERMISSION`` in
            settings.
        """
        self.any_permission = any_permission
        self.add_permission = add_permission
        self.change_permission = change_permission
        self.delete_permission = delete_permission

        if self.any_permission is None:
            self.any_permission = \
                settings.PERMISSION_DEFAULT_SPL_ANY_PERMISSION
        if self.add_permission is None:
            self.add_permission = \
                settings.PERMISSION_DEFAULT_SPL_ADD_PERMISSION
        if self.change_permission is None:
            self.change_permission = \
                settings.PERMISSION_DEFAULT_SPL_CHANGE_PERMISSION
        if self.delete_permission is None:
            self.delete_permission = \
                settings.PERMISSION_DEFAULT_SPL_DELETE_PERMISSION

    def has_perm(self, user_obj, perm, obj=None):

        """
        Check if user have permission (of object)

        If the user_obj is not authenticated, it return ``False``.

        If no object is specified, it return ``True`` when the corresponding
        permission was specified to ``True`` (changed from v0.7.0).
        This behavior is based on the django system.
        https://code.djangoproject.com/wiki/RowLevelPermissions

        If an object is specified, it will return ``True`` if the user is
        staff. The staff can add, change or delete the object (you can change
        this behavior to set ``any_permission``, ``add_permission``,
        ``change_permission``, or ``delete_permission`` attributes of this
        instance).

        Parameters
        ----------
        user_obj : django user model instance
            A django user model instance which be checked
        perm : string
            `app_label.codename` formatted permission string
        obj : None or django model instance
            None or django model instance for object permission

        Returns
        -------
        boolean
            Weather the specified user have specified permission (of specified
            object).
        """
        if not is_authenticated(user_obj):
            return False
        # construct the permission full name
        add_permission = self.get_full_permission_string('add')
        change_permission = self.get_full_permission_string('change')
        delete_permission = self.get_full_permission_string('delete')
        if obj is None:
            if user_obj.is_staff:
                if self.add_permission and perm == add_permission:
                    return True
                if self.change_permission and perm == change_permission:
                    return True
                if self.delete_permission and perm == delete_permission:
                    return True
                return self.any_permission
            return False
        elif user_obj.is_active:
            if user_obj.is_staff:
                if self.any_permission:
                    # have any kind of permissions to the obj
                    return True
                if (self.add_permission and
                        perm == add_permission):
                    return True
                if (self.change_permission and
                        perm == change_permission):
                    return True
                if (self.delete_permission and
                        perm == delete_permission):
                    return True
        return False


1		# coding=utf-8
2		"""
3		Permission logic module for author based permission system
4		"""
5		from permission.conf import settings
6		from permission.logics.base import PermissionLogic
7		from permission.compat import is_authenticated
8
9
10		class StaffPermissionLogic(PermissionLogic):
11		"""
12		Permission logic class for is_staff authority based permission system
13		"""
14		def __init__(self,
15		any_permission=None,
16		add_permission=None,
17		change_permission=None,
18		delete_permission=None):
19		"""
20		Constructor
21
22		Parameters
23		----------
24		any_permission : boolean
25		True for give any permission of the specified object to the staff
26		user. Default value will be taken from
27		``PERMISSION_DEFAULT_SPL_ANY_PERMISSION`` in
28		settings.
29		add_permission : boolean
30		True for give change permission of the specified object to the
31		staff user.
32		It will be ignored if :attr:`any_permission` is True.
33		Default value will be taken from
34		``PERMISSION_DEFAULT_SPL_ADD_PERMISSION`` in
35		settings.
36		change_permission : boolean
37		True for give change permission of the specified object to the
38		staff user.
39		It will be ignored if :attr:`any_permission` is True.
40		Default value will be taken from
41		``PERMISSION_DEFAULT_SPL_CHANGE_PERMISSION`` in
42		settings.
43		delete_permission : boolean
44		True for give delete permission of the specified object to the
45		staff user.
46		It will be ignored if :attr:`any_permission` is True.
47		Default value will be taken from
48		``PERMISSION_DEFAULT_SPL_DELETE_PERMISSION`` in
49		settings.
50		"""
51		self.any_permission = any_permission
52		self.add_permission = add_permission
53		self.change_permission = change_permission
54		self.delete_permission = delete_permission
55
56		if self.any_permission is None:
57		self.any_permission = \
58		settings.PERMISSION_DEFAULT_SPL_ANY_PERMISSION
59		if self.add_permission is None:
60		self.add_permission = \
61		settings.PERMISSION_DEFAULT_SPL_ADD_PERMISSION
62		if self.change_permission is None:
63		self.change_permission = \
64		settings.PERMISSION_DEFAULT_SPL_CHANGE_PERMISSION
65		if self.delete_permission is None:
66		self.delete_permission = \
67		settings.PERMISSION_DEFAULT_SPL_DELETE_PERMISSION
68
69	View Code Duplication	def has_perm(self, user_obj, perm, obj=None):
		0 ignored issues – show Duplication introduced 2016-07-13 02:08 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
70		"""
71		Check if user have permission (of object)
72
73		If the user_obj is not authenticated, it return ``False``.
74
75		If no object is specified, it return ``True`` when the corresponding
76		permission was specified to ``True`` (changed from v0.7.0).
77		This behavior is based on the django system.
78		https://code.djangoproject.com/wiki/RowLevelPermissions
79
80		If an object is specified, it will return ``True`` if the user is
81		staff. The staff can add, change or delete the object (you can change
82		this behavior to set ``any_permission``, ``add_permission``,
83		``change_permission``, or ``delete_permission`` attributes of this
84		instance).
85
86		Parameters
87		----------
88		user_obj : django user model instance
89		A django user model instance which be checked
90		perm : string
91		`app_label.codename` formatted permission string
92		obj : None or django model instance
93		None or django model instance for object permission
94
95		Returns
96		-------
97		boolean
98		Weather the specified user have specified permission (of specified
99		object).
100		"""
101		if not is_authenticated(user_obj):
102		return False
103		# construct the permission full name
104		add_permission = self.get_full_permission_string('add')
105		change_permission = self.get_full_permission_string('change')
106		delete_permission = self.get_full_permission_string('delete')
107		if obj is None:
108		if user_obj.is_staff:
109		if self.add_permission and perm == add_permission:
110		return True
111		if self.change_permission and perm == change_permission:
112		return True
113		if self.delete_permission and perm == delete_permission:
114		return True
115		return self.any_permission
116		return False
117		elif user_obj.is_active:
118		if user_obj.is_staff:
119		if self.any_permission:
120		# have any kind of permissions to the obj
121		return True
122		if (self.add_permission and
123		perm == add_permission):
124		return True
125		if (self.change_permission and
126		perm == change_permission):
127		return True
128		if (self.delete_permission and
129		perm == delete_permission):
130		return True
131		return False
132

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StaffPermissionLogic.has_perm() F last analyzed 2017-03-28 05:50 UTC

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StaffPermissionLogic.has_perm() F
last analyzed 2017-03-28 05:50 UTC