Remove ACMEv1 example. (#6668)

acme/docs/index.rst

@@ -16,13 +16,6 @@ Contents:
 .. automodule:: acme
    :members:
 
-
-Example client:
-
-.. include:: ../examples/example_client.py
-   :code: python
-
-
 Indices and tables
 ==================
 

acme/examples/example_client.py

@@ -1,47 +0,0 @@
-"""Example script showing how to use acme client API."""
-import logging
-import os
-import pkg_resources
-
-from cryptography.hazmat.backends import default_backend
-from cryptography.hazmat.primitives.asymmetric import rsa
-import josepy as jose
-import OpenSSL
-
-from acme import client
-from acme import messages
-
-
-logging.basicConfig(level=logging.DEBUG)
-
-
-DIRECTORY_URL = 'https://acme-staging.api.letsencrypt.org/directory'
-BITS = 2048  # minimum for Boulder
-DOMAIN = 'example1.com'  # example.com is ignored by Boulder
-
-# generate_private_key requires cryptography>=0.5
-key = jose.JWKRSA(key=rsa.generate_private_key(
-    public_exponent=65537,
-    key_size=BITS,
-    backend=default_backend()))
-acme = client.Client(DIRECTORY_URL, key)
-
-regr = acme.register()
-logging.info('Auto-accepting TOS: %s', regr.terms_of_service)
-acme.agree_to_tos(regr)
-logging.debug(regr)
-
-authzr = acme.request_challenges(
-    identifier=messages.Identifier(typ=messages.IDENTIFIER_FQDN, value=DOMAIN))
-logging.debug(authzr)
-
-authzr, authzr_response = acme.poll(authzr)
-
-csr = OpenSSL.crypto.load_certificate_request(
-    OpenSSL.crypto.FILETYPE_ASN1, pkg_resources.resource_string(
-        'acme', os.path.join('testdata', 'csr.der')))
-try:
-    acme.request_issuance(jose.util.ComparableX509(csr), (authzr,))
-except messages.Error as error:
-    print ("This script is doomed to fail as no authorization "
-           "challenges are ever solved. Error from server: {0}".format(error))