Accessing JWT secured Restful API from python script

Question

I can access JWT secured Restful API using curl command as follows

#Get the access Token in a variable ID

export ID=`curl  -X POST --header 'Content-Type: application/json' --header 'Accept: application/json' -d '{  "password": "admin",  "rememberMe": true,  "username": "admin"  }' 'http://localhost:8080/api/authenticate' | jq -r .id_token`

#Use this token to access endpoint 

curl 'http://localhost:8080/api/downloads' --header 'Content-Type: application/json' --header 'Accept: application/json' --header "Authorization: Bearer $ID"

My python script for authentication part and get bearer token is as follows:

import requests

LOGIN_URL = "http://localhost:8080/api/authenticate"
ENDPOINT_URL = 'http://localhost:8080/api/downloads'
PARAMS = {'password': 'admin','rememberMe': True,  'username': 'admin'  }
r1 = requests.post(LOGIN_URL,  data =PARAMS, headers={"Content-Type": "application/json","Accept": "application/json"})
print(r1)

When i am trying to do the same through python script,Authentication request fails with message <Response [400]>

Help needed !

Please extend your error description beyond "it is not working."! — Klaus D.
– Klaus D., Commented Jun 27, 2020 at 10:50
Try r1.get("id_token") instead of r1.get_dict()['id_token']. — Prav
– Prav, Commented Jun 27, 2020 at 11:14
Usually if I'm not sure about the response structure and I know it's a some sort of dictionary. I'd try sticking .__dict__ to the variable. r1.__dict__. Ps. Not supported by everything but most mainstream package classes has this implementation. — Prav
– Prav, Commented Jun 27, 2020 at 11:21

Dan-Dev · Accepted Answer · 2020-06-27 16:10:38Z

1

You are passing a dictionary where you should be passing JSON.

Try using json not data and pass the dictionary:

import requests

LOGIN_URL = "https://httpbin.org/post"
PARAMS = {'password': 'admin','rememberMe': True,  'username': 'admin'  }
r1 = requests.post(LOGIN_URL,  json=PARAMS, headers={"Content-Type": "application/json","Accept": "application/json"})
print(r1.text)

or pass a string and use data:

import requests

LOGIN_URL = "https://httpbin.org/post"
PARAMS = '{"password": "admin", "rememberMe": true, "username": "admin"}'
r1 = requests.post(LOGIN_URL, data=PARAMS, headers={"Content-Type": "application/json", "Accept": "application/json"})
print(r1.text)

answered Jun 27, 2020 at 16:10

Dan-Dev

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