How to get OR permissions instead of AND in REST framework

How to get OR permissions instead of AND in REST framework

In Django REST framework, by default, permissions are combined using the "AND" logic, meaning that all specified permissions must be satisfied for access to be granted. If you want to use "OR" logic instead, where any one of the specified permissions is enough to grant access, you need to create a custom permission class that implements the desired behavior.

Here's an example of how you can create a custom permission class that uses "OR" logic:

from rest_framework import permissions class ORPermissions(permissions.BasePermission): def __init__(self, permissions): self.permissions = permissions def has_permission(self, request, view): return any(permission.has_permission(request, view) for permission in self.permissions)

In this example, the ORPermissions class takes a list of permission classes as an argument during initialization. The has_permission method checks whether any of the provided permission classes grants permission. If at least one of the permission classes returns True, access is granted.

You can use this custom permission class in your views like this:

from rest_framework.views import APIView from rest_framework.response import Response from .permissions import ORPermissions from rest_framework import permissions class MyView(APIView): permission_classes = [ORPermissions([permissions.IsAuthenticated, permissions.AllowAny])] def get(self, request): return Response("Access granted")

In this example, the MyView class uses the ORPermissions class with a list of permission classes [permissions.IsAuthenticated, permissions.AllowAny]. This means that either an authenticated user or any user (authenticated or not) will be granted access to the view.

Keep in mind that using "OR" logic for permissions can affect the security and control of your API, so make sure you carefully consider the implications and use cases for this approach.

Examples

  1. How to implement OR permissions logic in Django REST framework?

    • Description: This query seeks to understand how to implement permissions logic in Django REST framework where any of multiple permissions can grant access instead of requiring all permissions.
    # Implement OR permissions logic in Django REST framework from rest_framework.permissions import BasePermission class ORPermission(BasePermission): def has_permission(self, request, view): return request.user.has_perm('app.permission1') or request.user.has_perm('app.permission2')

  2. How to allow access if user has any of the specified permissions in Django REST framework?

    • Description: Here, the user wants to know how to grant access in Django REST framework if the user possesses any of the specified permissions instead of requiring all permissions.
    # Allow access if user has any of the specified permissions in Django REST framework from rest_framework.permissions import BasePermission class AnyOfPermissions(BasePermission): def has_permission(self, request, view): allowed_permissions = ['app.permission1', 'app.permission2'] return any(request.user.has_perm(perm) for perm in allowed_permissions)

  3. How to configure Django REST framework to use OR logic for permissions?

    • Description: This query focuses on configuring Django REST framework to utilize OR logic for permissions, allowing access if any of the specified permissions are granted.
    # Configure Django REST framework to use OR logic for permissions from rest_framework.permissions import BasePermission class OrPermission(BasePermission): def has_permission(self, request, view): return request.user.has_perm('app.permission1') or request.user.has_perm('app.permission2')

  4. Implementing OR permissions in Django REST framework for multiple roles?

    • Description: Here, the user wants to implement OR permissions in Django REST framework to allow access for users possessing any of multiple roles.
    # Implementing OR permissions in Django REST framework for multiple roles from rest_framework.permissions import BasePermission class ORPermissions(BasePermission): def has_permission(self, request, view): allowed_roles = ['role1', 'role2'] return any(request.user.groups.filter(name=role).exists() for role in allowed_roles)

  5. How to grant access if user has one of the specified permissions in Django REST framework?

    • Description: This query seeks to grant access in Django REST framework if the user has at least one of the specified permissions.
    # Grant access if user has one of the specified permissions in Django REST framework from rest_framework.permissions import BasePermission class AnyPermission(BasePermission): def has_permission(self, request, view): allowed_permissions = ['app.permission1', 'app.permission2'] return any(request.user.has_perm(perm) for perm in allowed_permissions)

  6. Configuring Django REST framework to allow access if user has any of the specified permissions?

    • Description: Here, the user wants to configure Django REST framework to permit access if the user possesses any of the specified permissions.
    # Configuring Django REST framework to allow access if user has any of the specified permissions from rest_framework.permissions import BasePermission class AnyPermission(BasePermission): def has_permission(self, request, view): allowed_permissions = ['app.permission1', 'app.permission2'] return any(request.user.has_perm(perm) for perm in allowed_permissions)

  7. How to implement OR logic for permissions in Django REST framework views?

    • Description: This query focuses on implementing OR logic for permissions in Django REST framework views to grant access if any of the specified permissions are met.
    # Implement OR logic for permissions in Django REST framework views from rest_framework.permissions import BasePermission class OrPermission(BasePermission): def has_permission(self, request, view): return request.user.has_perm('app.permission1') or request.user.has_perm('app.permission2')

  8. Allowing access based on multiple permissions in Django REST framework?

    • Description: Here, the user wants to allow access in Django REST framework based on multiple permissions, with access granted if any of the permissions are met.
    # Allowing access based on multiple permissions in Django REST framework from rest_framework.permissions import BasePermission class ORPermission(BasePermission): def has_permission(self, request, view): return request.user.has_perm('app.permission1') or request.user.has_perm('app.permission2')

  9. How to use OR logic for permissions in Django REST framework authentication?

    • Description: This query seeks to use OR logic for permissions in Django REST framework authentication to permit access if any of the specified permissions are satisfied.
    # Use OR logic for permissions in Django REST framework authentication from rest_framework.permissions import BasePermission class OrPermission(BasePermission): def has_permission(self, request, view): return request.user.has_perm('app.permission1') or request.user.has_perm('app.permission2')

  10. Implementing OR permissions for Django REST framework API views?

    • Description: This query focuses on implementing OR permissions for Django REST framework API views to allow access if any of the specified permissions are met.
    # Implementing OR permissions for Django REST framework API views from rest_framework.permissions import BasePermission class ORPermission(BasePermission): def has_permission(self, request, view): return request.user.has_perm('app.permission1') or request.user.has_perm('app.permission2')

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