Script to test an SSL connection to a Shotgun server.

shotgun_ssl_check.py

import os
import sys
import socket
import logging
import optparse
import platform
import tempfile

# Public signing cert pulled from https://sha2check.shotgunstudio.com
CACERT="""
-----BEGIN CERTIFICATE-----
MIIEADCCAuigAwIBAgIBADANBgkqhkiG9w0BAQUFADBjMQswCQYDVQQGEwJVUzEh
MB8GA1UEChMYVGhlIEdvIERhZGR5IEdyb3VwLCBJbmMuMTEwLwYDVQQLEyhHbyBE
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
MIIEfTCCA2WgAwIBAgIDG+cVMA0GCSqGSIb3DQEBCwUAMGMxCzAJBgNVBAYTAlVT
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rw==
-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
MIIE0DCCA7igAwIBAgIBBzANBgkqhkiG9w0BAQsFADCBgzELMAkGA1UEBhMCVVMx
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LXY2JtwE65/3YR8V3Idv7kaWKK2hJn0KCacuBKONvPi8BDAB
-----END CERTIFICATE-----
"""

def test_site(site):
    """ Test the given site to make sure basic API access works. """
    def test_ssl_socket(cert_reqs, ca_certs):
        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        sock.connect((site, 443))
        ssl_sock = ssl.wrap_socket(sock, ca_certs=ca_certs, cert_reqs=cert_reqs)

        # Set a simple HTTP request -- use httplib in actual code.
        ssl_sock.write("""GET / HTTP/1.0\rHost: www.shotgunsoftware.com\n\n""")

        # Read a chunk of data.  Will not necessarily
        # read all the data returned by the server.
        ssl_sock.read()

        # note that closing the SSLSocket will also close the underlying socket
        ssl_sock.close()

    # Setup the tempfile for CACERTS
    tfile = tempfile.NamedTemporaryFile(delete=False)
    try:
        tfile.write(CACERT)
        tfile.close()

        # Test with certificates required
        try:
            test_ssl_socket(ssl.CERT_REQUIRED, tfile.name)
            print "- %s: TEST PASSED" % site
        except Exception, e:
            print "- %s: TEST FAILED: %s" % (site, str(e))

            # Test without certificate validation
            try:
                test_ssl_socket(ssl.CERT_NONE, tfile.name)
                print "- %s: VALIDATION TEST WORKS" % site
            except Exception, e:
                print "- %s: VALIDATION TEST FAILS: %s" % (site, str(e))
    finally:
        # Make sure that the tempfile is cleaned up
        os.remove(tfile.name)

# Print Python version being tested
print "================================================="
print "%s" % platform.platform()
print "Python %s", sys.version

try:
    import ssl

    ssl_version = hasattr(ssl, "OPENSSL_VERSION") and ssl.OPENSSL_VERSION or "OpenSSL Unknown (not py2.7)"
    print "%s" % ssl_version
    print "================================================="

    # Test each site
    test_site('sha2check.shotgunstudio.com')
except ImportError:
    print "No ssl"
    print "================================================="
    print "- sha2check.shotgunstudio.com: TEST PASSED (could not import ssl)"

print "================================================="

This script will test a Shotgun site for SSL compatibility.

Paste the contents into a script editor to run (for example within Maya or Nuke) or run the script from the command line like:

python ./shotgun_ssl_check.py

An example of successful output is:

=================================================
Windows-post2008Server-6.2.9200
Python %s 2.7.3 (default, Jul 29 2013, 17:54:54) [MSC v.1600 64 bit (AMD64)]
OpenSSL 1.0.0a 1 Jun 2010
=================================================
- sha2check.shotgunstudio.com: TEST PASSED
=================================================

An example of failed output is:

=================================================
Windows-post2008Server-6.2.9200
Python %s 2.6.5 (r265:79063, Sep  8 2010, 11:54:22) [MSC v.1400 64 bit (AMD64)]
OpenSSL Unknown (not py2.7)
=================================================
- sha2check.shotgunstudio.com: TEST FAILED: [Errno 1] _ssl.c:480: error:0D0C50A1:asn1 encoding routines:ASN1_item_verify:unknown message digest algorithm
- sha2check.shotgunstudio.com: VALIDATION TEST WORKS
=================================================

Hey Rob,

Is there a version of this script for testing through a proxy?

Cheers

Andy