Using SSL Certificates in Python2.7.*

Question

I'm on a corporate network I need to use certificates for to get access to certain pages. I've tried looking around online for a module that'll retrieve an HTTPS webpage and also allow me to specify which certificate I want to use. I have this code:

import requests
page = requests.get("https://k9ballistics.com/",'lxml')
thing = page.content
thing = thing.split('\n')
for m in thing:
    if '<tr>' in m:
        print m

This works on retrieving a normal HTTPS page, but when I try to access our page it throws this error:

requests.exceptions.SSLError: ("bad handshake: Error([('SSL routines', 'tls_process_server_certificate', 'certificate verify failed')],)",)

I was hoping to find a way to do it with a module that already comes with Python as opposed to relying on a pip installed package for portability's sake.

I'm on Windows, but I have my certificates from my linux workstation in a folder I'd like to point to, and also have Ubuntu Bash on Windows.

the URL listed is an example of a normal HTTPS site that I can retrieve source code from. The internal domain is not listed in this question. — sanigirl
– sanigirl, Commented Apr 27, 2017 at 3:22

McGrady · Accepted Answer · 2017-04-27 03:27:39Z

2

You can pass verify the path to a CA_BUNDLE file or directory with certificates of trusted CAs:

requests.get('https://eg.com', verify='/path/to/certfile.pem')

or persistent:

s = requests.Session()
s.verify = '/path/to/certfile.pem'

Also you can ignore verifying the SSL certificate by verify=False.

Have a look at SSL Cert Verification to see more details.

answered Apr 27, 2017 at 3:27

McGrady

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1 Comment

sanigirl Over a year ago

I'm still receiving the same error, but in this case I think these may just not be the certificates I need. You answered my question though so thank you for that!

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