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Add Authorization to a Django API Application

This guide demonstrates how to integrate Auth0 with any new or existing Python API built with Django.

If you haven't created an API in your Auth0 Dashboard yet, you can use the interactive selector to create a new Auth0 API or select an existing API that represents the project you want to integrate with.

Alternatively, you can read our getting started guide, which will help you set up your first API through the Auth0 Dashboard.

Every API in Auth0 is configured using an API Identifier that your application code will use as the Audience to validate the Access Token.

New to Auth0? Learn how Auth0 works and read about implementing API authentication and authorization using the OAuth 2.0 framework.

1
Define permissions

Permissions let you define how resources can be accessed on behalf of the user with a given access token. For example, you might choose to grant read access to the messages resource if users have the manager access level, and a write access to that resource if they have the administrator access level.

You can define allowed permissions in the Permissions view of the Auth0 Dashboard's APIs section.

Configure Permissions

This example uses the read:messages scope.

Configure Django to use Auth0

2
Install dependencies

Add the following dependencies to your requirements.txt:

# /requirements.txt

Authlib~=1.0.0
Django~=4.0.3
python-dotenv~=0.19.2

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Run pip install -r requirements.txt

Create a Django application

django-admin startproject apiexample
cd apiexample

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3
Create the JWT validator

You're going to use a library called Authlib to create a ResourceProtector, which is a type of Django view decorator that protects your resources (API views) with a given validator.

The validator will verify the Access Token that you pass to the resource by checking that it has a valid signature and claims.

You can use AuthLib's JWTBearerTokenValidator validator with a few tweaks to make sure it conforms to our requirements on validating Access Tokens.

To create your Auth0JWTBearerTokenValidator, you need to pass it your domain and audience (API Identifier). It will then get the public key required to verify the token's signature and pass it to the JWTBearerTokenValidator class.

You'll then override the class's claims_options to make sure the token's expiry, audience, and issue claims are validated according to our requirements.

Create the file apiexample/validator.py using the code from the interactive panel.

4
Create the API views

Next, you'll create three API views in apiexample/views.py:

/api/public: A public endpoint that requires no authentication.
/api/private: A private endpoint that requires a valid Access Token JWT.
/api/private-scoped: A private endpoint that requires a valid Access Token JWT containing the given scope.

The protected routes will have a require_auth decorator, which is a ResourceProtector that uses the Auth0JWTBearerTokenValidator you created earlier.

To create the Auth0JWTBearerTokenValidator, you'll pass it your tenant's domain and the API Identifier of the API you created earlier.

The require_auth decorator on the private_scoped route accepts an additional argument "read:messages", which checks the Access Token for the Permission (Scope) you created earlier.

5
Add URL mappings

In previous steps, you added methods to the views.py file. You need to map those methods to URLs using Django's URL dispatcher, which lets you map URL patterns to views.

Add the URL patterns to apiexample/urls.py:

Make a Call to Your API

To make calls to your API, you need an Access Token. You can get an Access Token for testing purposes from the Test view in your API settings.

Obtain a JWT

Provide the Access Token as an Authorization header in your requests.

cURL
C#
Go
Java
Node.JS
Obj-C
...
- PHP
- Python
- Ruby
- Swift

curl --request GET \
  --url http://your-domain.com/api_path \
  --header 'authorization: Bearer YOUR_ACCESS_TOKEN_HERE'

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var client = new RestClient("http://your-domain.com/api_path");
var request = new RestRequest(Method.GET);
request.AddHeader("authorization", "Bearer YOUR_ACCESS_TOKEN_HERE");
IRestResponse response = client.Execute(request);

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package main

import (
	"fmt"
	"net/http"
	"io/ioutil"
)

func main() {

	url := "http://your-domain.com/api_path"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("authorization", "Bearer YOUR_ACCESS_TOKEN_HERE")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}

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HttpResponse<String> response = Unirest.get("http://your-domain.com/api_path")
  .header("authorization", "Bearer YOUR_ACCESS_TOKEN_HERE")
  .asString();

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var axios = require("axios").default;

var options = {
  method: 'GET',
  url: 'http://your-domain.com/api_path',
  headers: {authorization: 'Bearer YOUR_ACCESS_TOKEN_HERE'}
};

axios.request(options).then(function (response) {
  console.log(response.data);
}).catch(function (error) {
  console.error(error);
});

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#import <Foundation/Foundation.h>

NSDictionary *headers = @{ @"authorization": @"Bearer YOUR_ACCESS_TOKEN_HERE" };

NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"http://your-domain.com/api_path"]
                                                       cachePolicy:NSURLRequestUseProtocolCachePolicy
                                                   timeoutInterval:10.0];
[request setHTTPMethod:@"GET"];
[request setAllHTTPHeaderFields:headers];

NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request
                                            completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
                                                if (error) {
                                                    NSLog(@"%@", error);
                                                } else {
                                                    NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
                                                    NSLog(@"%@", httpResponse);
                                                }
                                            }];
[dataTask resume];

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$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "http://your-domain.com/api_path",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "authorization: Bearer YOUR_ACCESS_TOKEN_HERE"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

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import http.client

conn = http.client.HTTPConnection("your-domain.com")

headers = { 'authorization': "Bearer YOUR_ACCESS_TOKEN_HERE" }

conn.request("GET", "/api_path", headers=headers)

res = conn.getresponse()
data = res.read()

print(data.decode("utf-8"))

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require 'uri'
require 'net/http'

url = URI("http://your-domain.com/api_path")

http = Net::HTTP.new(url.host, url.port)

request = Net::HTTP::Get.new(url)
request["authorization"] = 'Bearer YOUR_ACCESS_TOKEN_HERE'

response = http.request(request)
puts response.read_body

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import Foundation

let headers = ["authorization": "Bearer YOUR_ACCESS_TOKEN_HERE"]

let request = NSMutableURLRequest(url: NSURL(string: "http://your-domain.com/api_path")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"
request.allHTTPHeaderFields = headers

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()

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Next Steps

Excellent work! If you made it this far, you should now have login, logout, and user profile information running in your application.

This concludes our quickstart tutorial, but there is so much more to explore. To learn more about what you can do with Auth0, check out:

Auth0 Dashboard - Learn how to configure and manage your Auth0 tenant and applications
Auth0 Marketplace - Discover integrations you can enable to extend Auth0’s functionality

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Edit on GitHub

Add Authorization to a Django API Application

1Define permissions

Configure Django to use Auth0

2Install dependencies

Create a Django application

3Create the JWT validator

4Create the API views

5Add URL mappings

Make a Call to Your API

Next Steps

1
Define permissions

2
Install dependencies

3
Create the JWT validator

4
Create the API views

5
Add URL mappings