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Simply build a powerful JSON-REST-API with django

Project description

djsonREST

djsonREST provides simple powerful features to implement your own REST-API (data encoded as json) within minutes.

The routes are versioned by default.

It also includes an addon for authentication using JWTs using consumers and users.

Base Structure of a rest route url: your_path/ + VersionMajor.Minor + /endpoint_url

Installation

Use the python package manager pip to install djsonrest.

pip install djsonrest

Dependencies

djutils

Usage

Add to your django project

Add djsonrest to your INSTALLED_APPS.

INSTALLED_APPS = [
    ...
    'djsonrest',
]

If you want to override default routes provided by djsonrest, order this app before your project app.

Add djsonrest.middleware.RESTRoutesMiddleware to your MIDDLEWARE.

MIDDLEWARE = [
    ...
    'djsonrest.middleware.RESTRoutesMiddleware',
]

If you want to customize the exception handling of rest routes override the RESTRoutesMiddleware class and configure your own middleware class instead.

Add a path for the api endpoints to your urls.py's urlpatterns.

from djsonrest import rest

urlpatterns = [
    ...
    path('api/', rest.routes.urls),
]

Define your routes

Define your own rest route using the route decorator @rest.route(...). All rest routes have to be defined in a module inside your app/project called rest_routes. This module will be automatically loaded on django initialization and so the routes are being registered.

from djsonrest import rest


class Users(rest.RESTRouteGroup):
    @rest.route('/users', version=1.0, method='GET')
    def users_get(self, request):
        return [...] # Return any json-encodable object

Using routes defined as classmethods, you can override them in inherited classes. This way you can provide extendable routes. To override the existing route, keep the route decorator the same. Change the route decorator if you want to add a second route.

class MyUsers(Users):
    @rest.route('/users', version=1.0, method='GET')
    def users_get(self, request):
        result = super().users_get(request)
        result.append([...])
        return result


class MyUsersV2(Users):
    @rest.route('/users', version=2.0, method='GET')
    def users_get(self, request):
        result = super().users_get(request)
        return {"users": result}

Routes with authentication

The route decorator provides an auth argument to which an auth class (a subclass of djsonrest.auth.Authentication) can be passed. The given auth class will be used to authenticate the request before its main processing.

There are the following authentication classes already given:

  • djsonrest.auth.Public (default) Public route, no authentication will be performed
  • djsonrest.addons.jwt_auth.auth.AbstractJWTAuth (abstract base class for JWT authentication) Expects a JWT token in the Authentication HTTP-Header with the type Bearer
  • djsonrest.addons.jwt_auth.auth.Consumer (jwt_auth addon, extends djsonrest.addons.jwt_auth.auth.AbstractJWTAuth) Expects a JWT token with the audience consumer. The request user will be the user that is defined in the consumer record
  • djsonrest.addons.jwt_auth.auth.User (jwt_auth addon, extends djsonrest.addons.jwt_auth.auth.AbstractJWTAuth) Base of UserStrong and UserWeak auth. Expects a JWT token with an audience user_strong or user_weak Tokens with the audience user_strong are only valid for 1 hour (default, can be canged in your settings), so you can use those tokens for high risk endpoints which should be only available short time after the initial authentication against the api Tokens with the audience user_weak are valid for 30 days (default, can be changed in your settings), so those tokens can be used for general interaction of a user with the api
  • djsonrest.addons.jwt_auth.auth.UserStrong (jwt_auth addon, extends djsonrest.addons.jwt_auth.auth.AbstractJWTAuth) Like User auth, but only accepts tokens with the audience user_strong
  • djsonrest.addons.jwt_auth.auth.UserWeak (jwt_auth addon, extends djsonrest.addons.jwt_auth.auth.AbstractJWTAuth) Like User auth, but only accepts tokens with the audience user_weak
from djsonrest import rest
from djsonrest.addons.jwt_auth import auth


class Users(rest.RESTRouteGroup):
    @rest.route('/users', version=1.0, method='GET', auth=auth.UserWeak)
    def users_get(self, request):
        return [...]

    @rest.route('/users/<int:id>', version=1.0, method='PATCH', auth=auth.UserStrong)
    def user_edit(self, request, id):
        # high risk action, protected by a short life token
        ...

Remove an existing route

This is intended to be used for unwanted routes a other app registers

It is recommended that this is implemented in the __init__.py of the rest_routes module (or at the beginning if its just a file). It is possible to remove all routes with a given path (always required) or filter it by adding the version and method of the route to remove.

from djsonrest import rest

rest.remove('/unwanted/anything')
rest.remove('/unwanted/route_at_version', version=1.0)
rest.remove('/unwanted/method_route_at_version', version=1.0, method='GET')

License

GNU GPLv3, see LICENSE

Maintainer

This package is maintained by Manuel Stingl. For more information see https://opensource.voltane.eu

Project details


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