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-rw-r--r--acmens.py58
1 files changed, 41 insertions, 17 deletions
diff --git a/acmens.py b/acmens.py
index 0cb037b..12743e5 100644
--- a/acmens.py
+++ b/acmens.py
@@ -15,7 +15,7 @@ from urllib.error import HTTPError
__version__ = "0.1.3.dev1"
-def sign_csr(account_key, csr, email=None):
+def sign_csr(account_key, csr, email=None, challenge_type='http'):
"""Use the ACME protocol to get an ssl certificate signed by a
certificate authority.
@@ -23,6 +23,8 @@ def sign_csr(account_key, csr, email=None):
:param string csr: Path to the certificate signing request.
:param string email: An optional user account contact email
(defaults to webmaster@<shortest_domain>)
+ :param string challenge_type: The challenge type to use.
+ (defaults to http)
:returns: Signed Certificate (PEM format)
:rtype: string
@@ -200,7 +202,8 @@ def sign_csr(account_key, csr, email=None):
order["authorizations"][0], None, "Error getting challenges"
)
- challenge = [c for c in chl_result["challenges"] if c["type"] == "http-01"][0]
+ type_id = 'dns-01' if challenge_type == 'dns' else 'http-01'
+ challenge = [c for c in chl_result["challenges"] if c["type"] == type_id][0]
token = re.sub(r"[^A-Za-z0-9_\-]", "_", challenge["token"])
keyauthorization = "{0}.{1}".format(challenge["token"], thumbprint)
@@ -208,34 +211,47 @@ def sign_csr(account_key, csr, email=None):
test_url = challenge["url"]
test_raw = "{}"
- # challenge response for server
- response = {
- "uri": ".well-known/acme-challenge/{0}".format(challenge["token"]),
- "data": keyauthorization,
- }
-
# Step 6: Ask the user to host the token on their server
- sys.stderr.write(
+ if challenge_type == 'dns':
+ sys.stderr.write(
+ """\
+Please update your DNS to have the following TXT record:
+
+--------------
+DNS TXT record: _acme-challenge.{domain}
+DNS TXT record contents: \"{token}\"
+--------------
+
+Notes:
+- Do not include the quotes in the TXT record.
+
+""".format(domain=domain, token=challenge["token"]))
+ else:
+ # Challenge response for http server.
+ response_uri = ".well-known/acme-challenge/{0}".format(
+ challenge["token"])
+
+ sys.stderr.write(
"""\
Please update your server to serve the following file at this URL:
--------------
-URL: http://{0}/{1}
-File contents: \"{2}\"
+URL: http://{domain}/{uri}
+File contents: \"{token}\"
--------------
Notes:
- Do not include the quotes in the file.
- The file should be one line without any spaces.
-""".format(
- domain, response["uri"], response["data"]
- )
- )
+""".format(domain=domain, uri=response_uri, token=keyauthorization))
stdout = sys.stdout
sys.stdout = sys.stderr
- input("Press Enter when you've got the file hosted on your server...")
+ if challenge_type == 'dns':
+ input("Press Enter when the TXT record is updated on the DNS...")
+ else:
+ input("Press Enter when you've got the file hosted on your server...")
sys.stdout = stdout
# Step 7: Let the CA know you're ready for the challenge
@@ -483,6 +499,12 @@ $ acmens --revoke --account-key user.key --crt domain.crt
default=None,
help="contact email, default is webmaster@<shortest_domain>",
)
+ parser.add_argument(
+ "-c",
+ "--challenge",
+ default='http',
+ help="Challenge type (http or dns), default is http",
+ )
parser.add_argument("--csr", help="path to your certificate signing request")
parser.add_argument("--crt", help="path to your signed certificate")
@@ -497,7 +519,9 @@ $ acmens --revoke --account-key user.key --crt domain.crt
if args.revoke:
revoke_crt(args.account_key, args.crt)
else:
- signed_crt = sign_csr(args.account_key, args.csr, email=args.email)
+ signed_crt = sign_csr(
+ args.account_key, args.csr, email=args.email,
+ challenge_type=args.challenge)
sys.stdout.write(signed_crt)