src.permission.logics.GroupInPermissionLogic.has_perm() - Code Metrics - Inspection of "Merge pull request #61 from AmbientLighter/feature..." - lambdalisue/django-permission - Measure and Improve Code Quality continuously with Scrutinizer

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by Lambda

created 2016-07-13 02:07 UTC

GroupInPermissionLogic.has_perm() F

↳ Parent: GroupInPermissionLogic

Complexity

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Duplication

Lines	0
Ratio	0 %

Metric	Value
cc	19
dl	0
loc	65
rs	2.8123

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


class GroupInPermissionLogic(PermissionLogic):
    """
    Permission logic class for group based permission system
    """
    def __init__(self,
                 group_names,
                 any_permission=None,
                 add_permission=None,
                 change_permission=None,
                 delete_permission=None):   # noqa
        """
        Constructor

        Parameters
        ----------
        group_names : string or list
            A group name list of this permission logic treat
        any_permission : boolean
            True for give any permission to the user_obj
            Default value will be taken from
            ``PERMISSION_DEFAULT_GIPL_ANY_PERMISSION`` in
            settings.
        add_permission : boolean
            True for give add permission to the user_obj.
            It will be ignored if :attr:`any_permission` is True.
            Default value will be taken from
            ``PERMISSION_DEFAULT_GIPL_ADD_PERMISSION`` in
            settings.
        change_permission : boolean
            True for give change permission of the specified object to the
            user_obj.
            It will be ignored if :attr:`any_permission` is True.
            Default value will be taken from
            ``PERMISSION_DEFAULT_GIPL_CHANGE_PERMISSION`` in
            settings.
        delete_permission : boolean
            True for give delete permission of the specified object to the
            user_obj.
            It will be ignored if :attr:`any_permission` is True.
            Default value will be taken from
            ``PERMISSION_DEFAULT_GIPL_DELETE_PERMISSION`` in
            settings.
        """
        self.group_names = group_names
        if not isinstance(self.group_names, (list, tuple)):
            self.group_names = [self.group_names]
        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_GIPL_ANY_PERMISSION
        if self.add_permission is None:
            self.add_permission = \
                settings.PERMISSION_DEFAULT_GIPL_ADD_PERMISSION
        if self.change_permission is None:
            self.change_permission = \
                settings.PERMISSION_DEFAULT_GIPL_CHANGE_PERMISSION
        if self.delete_permission is None:
            self.delete_permission = \
                settings.PERMISSION_DEFAULT_GIPL_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
        in group specified in ``group_names`` of this instance.
        This permission logic is used mainly for group based role permission
        system.
        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
            Whether the specified user have specified permission (of specified
            object).
        """
        if not user_obj.is_authenticated():
            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.groups.filter(name__in=self.group_names):
                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.groups.filter(name__in=self.group_names):
                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 group based permission system
4		"""
5		from permission.conf import settings
6		from permission.logics.base import PermissionLogic
7
8
9		class GroupInPermissionLogic(PermissionLogic):
10		"""
11		Permission logic class for group based permission system
12		"""
13		def __init__(self,
14		group_names,
15		any_permission=None,
16		add_permission=None,
17		change_permission=None,
18		delete_permission=None): # noqa
19		"""
20		Constructor
21
22		Parameters
23		----------
24		group_names : string or list
25		A group name list of this permission logic treat
26		any_permission : boolean
27		True for give any permission to the user_obj
28		Default value will be taken from
29		``PERMISSION_DEFAULT_GIPL_ANY_PERMISSION`` in
30		settings.
31		add_permission : boolean
32		True for give add permission to the user_obj.
33		It will be ignored if :attr:`any_permission` is True.
34		Default value will be taken from
35		``PERMISSION_DEFAULT_GIPL_ADD_PERMISSION`` in
36		settings.
37		change_permission : boolean
38		True for give change permission of the specified object to the
39		user_obj.
40		It will be ignored if :attr:`any_permission` is True.
41		Default value will be taken from
42		``PERMISSION_DEFAULT_GIPL_CHANGE_PERMISSION`` in
43		settings.
44		delete_permission : boolean
45		True for give delete permission of the specified object to the
46		user_obj.
47		It will be ignored if :attr:`any_permission` is True.
48		Default value will be taken from
49		``PERMISSION_DEFAULT_GIPL_DELETE_PERMISSION`` in
50		settings.
51		"""
52		self.group_names = group_names
53		if not isinstance(self.group_names, (list, tuple)):
54		self.group_names = [self.group_names]
55		self.any_permission = any_permission
56		self.add_permission = add_permission
57		self.change_permission = change_permission
58		self.delete_permission = delete_permission
59
60		if self.any_permission is None:
61		self.any_permission = \
62		settings.PERMISSION_DEFAULT_GIPL_ANY_PERMISSION
63		if self.add_permission is None:
64		self.add_permission = \
65		settings.PERMISSION_DEFAULT_GIPL_ADD_PERMISSION
66		if self.change_permission is None:
67		self.change_permission = \
68		settings.PERMISSION_DEFAULT_GIPL_CHANGE_PERMISSION
69		if self.delete_permission is None:
70		self.delete_permission = \
71		settings.PERMISSION_DEFAULT_GIPL_DELETE_PERMISSION
72
73	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...
74		"""
75		Check if user have permission (of object)
76
77		If the user_obj is not authenticated, it return ``False``.
78
79		If no object is specified, it return ``True`` when the corresponding
80		permission was specified to ``True`` (changed from v0.7.0).
81		This behavior is based on the django system.
82		https://code.djangoproject.com/wiki/RowLevelPermissions
83
84		If an object is specified, it will return ``True`` if the user is
85		in group specified in ``group_names`` of this instance.
86		This permission logic is used mainly for group based role permission
87		system.
88		You can change this behavior to set ``any_permission``,
89		``add_permission``, ``change_permission``, or ``delete_permission``
90		attributes of this instance.
91
92		Parameters
93		----------
94		user_obj : django user model instance
95		A django user model instance which be checked
96		perm : string
97		`app_label.codename` formatted permission string
98		obj : None or django model instance
99		None or django model instance for object permission
100
101		Returns
102		-------
103		boolean
104		Whether the specified user have specified permission (of specified
105		object).
106		"""
107		if not user_obj.is_authenticated():
108		return False
109		# construct the permission full name
110		add_permission = self.get_full_permission_string('add')
111		change_permission = self.get_full_permission_string('change')
112		delete_permission = self.get_full_permission_string('delete')
113		if obj is None:
114		if user_obj.groups.filter(name__in=self.group_names):
115		if self.add_permission and perm == add_permission:
116		return True
117		if self.change_permission and perm == change_permission:
118		return True
119		if self.delete_permission and perm == delete_permission:
120		return True
121		return self.any_permission
122		return False
123		elif user_obj.is_active:
124		if user_obj.groups.filter(name__in=self.group_names):
125		if self.any_permission:
126		# have any kind of permissions to the obj
127		return True
128		if (self.add_permission and
129		perm == add_permission):
130		return True
131		if (self.change_permission and
132		perm == change_permission):
133		return True
134		if (self.delete_permission and
135		perm == delete_permission):
136		return True
137		return False
138

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GroupInPermissionLogic.has_perm() F

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