PYTHON: requests and response 401

Question

I have a little problem with authentication. I am writting a script, which is getting login and password from user(input from keyboard) and then I want to get some data from the website(http not https), but every time I run the script the response is 401.I read some similar posts from stack and I tried this solutions:

Solution 1

c = HTTPConnection("somewebsite")
userAndPass = b64encode(b"username:password").decode("ascii")
headers = { 'Authorization' : 'Basic %s' %  userAndPass }
c.request('GET', '/', headers=headers)
res = c.getresponse()
data = res.read()

Solution 2

with requests.Session() as c:
    url = 'somewebsite'
    USERNAME = 'username'
    PASSWORD = 'password'
    c.get(url)
    login_data = dict(username = USERNAME, password = PASSWORD)
    c.post(url,data = login_data)
    page = c.get('somewebsite', headers = {"Referer": "somwebsite"})
    print(page)

Solution 3

www = 'somewebsite'
value ={'filter':'somefilter'}
data = urllib.parse.urlencode(value)
data=data.encode('utf-8')
req = urllib.request.Request(www,data)
resp = urllib.request.urlopen(req)
respData = resp.read()
print(respData)
x = urllib.request.urlopen(www,"username","password")
print(x.read())'

I don't know how to solve this problem. Can somebody give me some link or tip ?

maybe your username or password is incorrect because it may be reading the error code 401 which means HTTP 401 Unauthorized client error status response code so you may be unauthorized to login — hypadr1v3
– hypadr1v3, Commented Aug 20, 2018 at 7:35
When I open the website thought the browser and I write my password and login it`s ok, but when I run this from cmd I get 401 — MB_YD
– MB_YD, Commented Aug 20, 2018 at 7:42
Trace the requests in the browser's developer tools to find out what it's doing. If none of the basic authentication examples are working, it must be something else. — Alex Taylor
– Alex Taylor, Commented Aug 20, 2018 at 8:02
@MB_YD hey did you get this working? I landed in the same situation. — srikanth
– srikanth, Commented Nov 16, 2020 at 7:34

Alex Taylor · Accepted Answer · 2018-08-20 07:45:56Z

3

Have you tried the Basic Authentication example from requests?

>>> from requests.auth import HTTPBasicAuth
>>> requests.get('https://api.github.com/user', auth=HTTPBasicAuth('user', 'pass'))
<Response [200]>

answered Aug 20, 2018 at 7:45

Alex Taylor

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1 Comment

MB_YD Over a year ago

Yes, but 401 :(

EunChong Lee · Accepted Answer · 2018-08-20 07:48:16Z

2

Can I know what type of authentication on the website?

this is an official Basic Auth example (http://docs.python-requests.org/en/master/user/advanced/#http-verbs)

from requests.auth import HTTPBasicAuth
auth = HTTPBasicAuth('[email protected]', 'not_a_real_password')

r = requests.post(url=url, data=body, auth=auth)
print(r.status_code)

answered Aug 20, 2018 at 7:48

EunChong Lee

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2 Comments

MB_YD Over a year ago

I checked it and it is : NTLM

EunChong Lee Over a year ago

Can you use chrome developer tools?? it provides you to trace Request Headers. This may help: developers.google.com/web/tools/chrome-devtools/…

kumarnvn · Accepted Answer · 2020-09-14 11:43:01Z

1

To use api with authentication, we need to have token_id or app_id that will provide the access for our request. Below is an example how we can formulate the url and get the response: strong text

import requests
city = input()
api_call = "http://api.openweathermap.org/data/2.5/weather?"
app_id = "892d5406f4811786e2b80a823c78f466"
req_url = api_call + "q=" + city + "&appid=" + app_id
response = requests.get(req_url)
data = response.json()
if (data["cod"] == 200):
    hum = data["main"]["humidity"]
    print("Humidity is % d " %(hum))
elif data["cod"] != 200:
    print("Error occurred : " ,data["cod"], data["message"])

answered Sep 14, 2020 at 11:43

kumarnvn

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