Merge pull request #2911 from Netflix/powerdnsplugin_01
Add PowerDNS ACME Plugin
This commit is contained in:
csine-nflx
GitHub
commit
b9736dfd3f
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@ -0,0 +1,86 @@
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import time
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import json
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from flask_script import Manager
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from flask import current_app
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from lemur.extensions import sentry
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from lemur.constants import SUCCESS_METRIC_STATUS
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from lemur.plugins.lemur_acme.plugin import AcmeHandler
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manager = Manager(
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usage="Handles all ACME related tasks"
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)
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@manager.option(
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"-d",
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"--domain",
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dest="domain",
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required=True,
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help="Name of the Domain to store to (ex. \"_acme-chall.test.com\".",
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)
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@manager.option(
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"-t",
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"--token",
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dest="token",
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required=True,
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help="Value of the Token to store in DNS as content.",
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)
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def dnstest(domain, token):
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"""
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Create, verify, and delete DNS TXT records using an autodetected provider.
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"""
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print("[+] Starting ACME Tests.")
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change_id = (domain, token)
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acme_handler = AcmeHandler()
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acme_handler.autodetect_dns_providers(domain)
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if not acme_handler.dns_providers_for_domain[domain]:
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raise Exception(f"No DNS providers found for domain: {format(domain)}.")
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# Create TXT Records
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for dns_provider in acme_handler.dns_providers_for_domain[domain]:
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dns_provider_plugin = acme_handler.get_dns_provider(dns_provider.provider_type)
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dns_provider_options = json.loads(dns_provider.credentials)
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account_number = dns_provider_options.get("account_id")
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print(f"[+] Creating TXT Record in `{dns_provider.name}` provider")
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change_id = dns_provider_plugin.create_txt_record(domain, token, account_number)
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print("[+] Verifying TXT Record has propagated to DNS.")
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print("[+] This step could take a while...")
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time.sleep(10)
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# Verify TXT Records
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for dns_provider in acme_handler.dns_providers_for_domain[domain]:
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dns_provider_plugin = acme_handler.get_dns_provider(dns_provider.provider_type)
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dns_provider_options = json.loads(dns_provider.credentials)
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account_number = dns_provider_options.get("account_id")
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try:
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dns_provider_plugin.wait_for_dns_change(change_id, account_number)
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print(f"[+] Verified TXT Record in `{dns_provider.name}` provider")
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except Exception:
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sentry.captureException()
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current_app.logger.debug(
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f"Unable to resolve DNS challenge for change_id: {change_id}, account_id: "
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f"{account_number}",
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exc_info=True,
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)
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print(f"[+] Unable to Verify TXT Record in `{dns_provider.name}` provider")
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time.sleep(10)
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# Delete TXT Records
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for dns_provider in acme_handler.dns_providers_for_domain[domain]:
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dns_provider_plugin = acme_handler.get_dns_provider(dns_provider.provider_type)
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dns_provider_options = json.loads(dns_provider.credentials)
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account_number = dns_provider_options.get("account_id")
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# TODO(csine@: Add Exception Handling
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dns_provider_plugin.delete_txt_record(change_id, account_number, domain, token)
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print(f"[+] Deleted TXT Record in `{dns_provider.name}` provider")
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status = SUCCESS_METRIC_STATUS
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print("[+] Done with ACME Tests.")
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@ -99,6 +99,7 @@ def get_types():
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},
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{"name": "dyn"},
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{"name": "ultradns"},
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{"name": "powerdns"},
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]
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},
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)
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@ -0,0 +1,101 @@
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import sys
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import dns
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import dns.exception
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import dns.name
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import dns.query
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import dns.resolver
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import re
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from lemur.extensions import sentry
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from lemur.extensions import metrics
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class DNSError(Exception):
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"""Base class for DNS Exceptions."""
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pass
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class BadDomainError(DNSError):
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"""Error for when a Bad Domain Name is given."""
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def __init__(self, message):
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self.message = message
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class DNSResolveError(DNSError):
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"""Error for DNS Resolution Errors."""
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def __init__(self, message):
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self.message = message
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def is_valid_domain(domain):
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"""Checks if a domain is syntactically valid and returns a bool"""
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if len(domain) > 253:
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return False
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if domain[-1] == ".":
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domain = domain[:-1]
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fqdn_re = re.compile("(?=^.{1,254}$)(^(?:(?!\d+\.|-)[a-zA-Z0-9_\-]{1,63}(?<!-)\.?)+(?:[a-zA-Z]{2,})$)", re.IGNORECASE)
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return all(fqdn_re.match(d) for d in domain.split("."))
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def get_authoritative_nameserver(domain):
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"""Get the authoritative nameservers for the given domain"""
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if not is_valid_domain(domain):
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raise BadDomainError(f"{domain} is not a valid FQDN")
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n = dns.name.from_text(domain)
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depth = 2
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default = dns.resolver.get_default_resolver()
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nameserver = default.nameservers[0]
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last = False
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while not last:
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s = n.split(depth)
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last = s[0].to_unicode() == u"@"
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sub = s[1]
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query = dns.message.make_query(sub, dns.rdatatype.NS)
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response = dns.query.udp(query, nameserver)
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rcode = response.rcode()
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if rcode != dns.rcode.NOERROR:
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function = sys._getframe().f_code.co_name
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metrics.send(f"{function}.error", "counter", 1)
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if rcode == dns.rcode.NXDOMAIN:
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raise DNSResolveError(f"{sub} does not exist.")
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else:
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raise DNSResolveError(f"Error: {dns.rcode.to_text(rcode)}")
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if len(response.authority) > 0:
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rrset = response.authority[0]
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else:
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rrset = response.answer[0]
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rr = rrset[0]
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if rr.rdtype != dns.rdatatype.SOA:
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authority = rr.target
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nameserver = default.query(authority).rrset[0].to_text()
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depth += 1
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return nameserver
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def get_dns_records(domain, rdtype, nameserver):
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"""Retrieves the DNS records matching the name and type and returns a list of records"""
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records = []
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try:
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dns_resolver = dns.resolver.Resolver()
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dns_resolver.nameservers = [nameserver]
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dns_response = dns_resolver.query(domain, rdtype)
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for rdata in dns_response:
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for record in rdata.strings:
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records.append(record.decode("utf-8"))
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except dns.exception.DNSException:
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sentry.captureException()
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function = sys._getframe().f_code.co_name
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metrics.send(f"{function}.fail", "counter", 1)
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return records
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@ -17,6 +17,7 @@ from flask_migrate import Migrate, MigrateCommand, stamp
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from flask_script.commands import ShowUrls, Clean, Server
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from lemur.dns_providers.cli import manager as dns_provider_manager
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from lemur.acme_providers.cli import manager as acme_manager
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from lemur.sources.cli import manager as source_manager
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from lemur.policies.cli import manager as policy_manager
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from lemur.reporting.cli import manager as report_manager
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@ -584,6 +585,7 @@ def main():
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manager.add_command("policy", policy_manager)
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manager.add_command("pending_certs", pending_certificate_manager)
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manager.add_command("dns_providers", dns_provider_manager)
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manager.add_command("acme", acme_manager)
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manager.run()
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@ -31,7 +31,7 @@ from lemur.exceptions import InvalidAuthority, InvalidConfiguration, UnknownProv
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from lemur.extensions import metrics, sentry
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from lemur.plugins import lemur_acme as acme
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from lemur.plugins.bases import IssuerPlugin
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from lemur.plugins.lemur_acme import cloudflare, dyn, route53, ultradns
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from lemur.plugins.lemur_acme import cloudflare, dyn, route53, ultradns, powerdns
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from retrying import retry
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@ -377,6 +377,7 @@ class AcmeHandler(object):
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"dyn": dyn,
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"route53": route53,
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"ultradns": ultradns,
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"powerdns": powerdns
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}
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provider = provider_types.get(type)
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if not provider:
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@ -436,6 +437,7 @@ class ACMEIssuerPlugin(IssuerPlugin):
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"dyn": dyn,
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"route53": route53,
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"ultradns": ultradns,
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"powerdns": powerdns
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}
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provider = provider_types.get(type)
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if not provider:
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@ -0,0 +1,267 @@
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import time
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import requests
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import json
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import sys
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import lemur.common.utils as utils
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import lemur.dns_providers.util as dnsutil
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from flask import current_app
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from lemur.extensions import metrics, sentry
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REQUIRED_VARIABLES = [
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"ACME_POWERDNS_APIKEYNAME",
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"ACME_POWERDNS_APIKEY",
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"ACME_POWERDNS_DOMAIN",
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]
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class Zone:
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""" This class implements a PowerDNS zone in JSON. """
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def __init__(self, _data):
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self._data = _data
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@property
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def id(self):
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""" Zone id, has a trailing "." at the end, which we manually remove. """
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return self._data["id"][:-1]
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@property
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def name(self):
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""" Zone name, has a trailing "." at the end, which we manually remove. """
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return self._data["name"][:-1]
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@property
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def kind(self):
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""" Indicates whether the zone is setup as a PRIMARY or SECONDARY """
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return self._data["kind"]
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class Record:
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""" This class implements a PowerDNS record. """
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def __init__(self, _data):
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self._data = _data
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@property
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def name(self):
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return self._data["name"]
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@property
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def disabled(self):
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return self._data["disabled"]
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@property
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def content(self):
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return self._data["content"]
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@property
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def ttl(self):
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return self._data["ttl"]
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def get_zones(account_number):
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"""Retrieve authoritative zones from the PowerDNS API and return a list"""
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_check_conf()
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server_id = current_app.config.get("ACME_POWERDNS_SERVERID", "localhost")
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path = f"/api/v1/servers/{server_id}/zones"
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zones = []
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function = sys._getframe().f_code.co_name
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log_data = {
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"function": function
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}
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try:
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records = _get(path)
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log_data["message"] = "Retrieved Zones Successfully"
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current_app.logger.debug(log_data)
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except Exception as e:
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sentry.captureException()
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log_data["message"] = "Failed to Retrieve Zone Data"
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current_app.logger.debug(log_data)
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raise
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for record in records:
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zone = Zone(record)
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if zone.kind == 'Master':
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zones.append(zone.name)
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return zones
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def create_txt_record(domain, token, account_number):
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""" Create a TXT record for the given domain and token and return a change_id tuple """
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_check_conf()
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zone_name = _get_zone_name(domain, account_number)
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server_id = current_app.config.get("ACME_POWERDNS_SERVERID", "localhost")
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zone_id = zone_name + "."
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domain_id = domain + "."
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path = f"/api/v1/servers/{server_id}/zones/{zone_id}"
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payload = {
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"rrsets": [
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{
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"name": domain_id,
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"type": "TXT",
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"ttl": 300,
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"changetype": "REPLACE",
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"records": [
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{
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"content": f"\"{token}\"",
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"disabled": False
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}
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],
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"comments": []
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}
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]
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}
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function = sys._getframe().f_code.co_name
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log_data = {
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"function": function,
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"fqdn": domain,
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"token": token,
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}
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try:
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_patch(path, payload)
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log_data["message"] = "TXT record successfully created"
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current_app.logger.debug(log_data)
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except Exception as e:
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sentry.captureException()
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log_data["Exception"] = e
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log_data["message"] = "Unable to create TXT record"
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current_app.logger.debug(log_data)
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change_id = (domain, token)
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return change_id
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def wait_for_dns_change(change_id, account_number=None):
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"""
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Checks the authoritative DNS Server to see if changes have propagated to DNS
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Retries and waits until successful.
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"""
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_check_conf()
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domain, token = change_id
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number_of_attempts = current_app.config.get("ACME_POWERDNS_RETRIES", 3)
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zone_name = _get_zone_name(domain, account_number)
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nameserver = dnsutil.get_authoritative_nameserver(zone_name)
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record_found = False
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for attempts in range(0, number_of_attempts):
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txt_records = dnsutil.get_dns_records(domain, "TXT", nameserver)
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for txt_record in txt_records:
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if txt_record == token:
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record_found = True
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break
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if record_found:
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break
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time.sleep(10)
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function = sys._getframe().f_code.co_name
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log_data = {
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"function": function,
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"fqdn": domain,
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"status": record_found,
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"message": "Record status on PowerDNS authoritative server"
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}
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current_app.logger.debug(log_data)
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if record_found:
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metrics.send(f"{function}.success", "counter", 1, metric_tags={"fqdn": domain, "txt_record": token})
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else:
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metrics.send(f"{function}.fail", "counter", 1, metric_tags={"fqdn": domain, "txt_record": token})
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def delete_txt_record(change_id, account_number, domain, token):
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""" Delete the TXT record for the given domain and token """
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_check_conf()
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zone_name = _get_zone_name(domain, account_number)
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server_id = current_app.config.get("ACME_POWERDNS_SERVERID", "localhost")
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zone_id = zone_name + "."
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domain_id = domain + "."
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path = f"/api/v1/servers/{server_id}/zones/{zone_id}"
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payload = {
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"rrsets": [
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{
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"name": domain_id,
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"type": "TXT",
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"ttl": 300,
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"changetype": "DELETE",
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"records": [
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{
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"content": f"\"{token}\"",
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"disabled": False
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}
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],
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"comments": []
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}
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]
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}
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function = sys._getframe().f_code.co_name
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log_data = {
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"function": function,
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"fqdn": domain,
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"token": token
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}
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try:
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_patch(path, payload)
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log_data["message"] = "TXT record successfully deleted"
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current_app.logger.debug(log_data)
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except Exception as e:
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sentry.captureException()
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log_data["Exception"] = e
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log_data["message"] = "Unable to delete TXT record"
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current_app.logger.debug(log_data)
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def _check_conf():
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utils.validate_conf(current_app, REQUIRED_VARIABLES)
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def _generate_header():
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"""Generate a PowerDNS API header and return it as a dictionary"""
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api_key_name = current_app.config.get("ACME_POWERDNS_APIKEYNAME")
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api_key = current_app.config.get("ACME_POWERDNS_APIKEY")
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headers = {api_key_name: api_key}
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return headers
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|
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def _get_zone_name(domain, account_number):
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"""Get most specific matching zone for the given domain and return as a String"""
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zones = get_zones(account_number)
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zone_name = ""
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for z in zones:
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if domain.endswith(z):
|
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if z.count(".") > zone_name.count("."):
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zone_name = z
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if not zone_name:
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function = sys._getframe().f_code.co_name
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log_data = {
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"function": function,
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"fqdn": domain,
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"message": "No PowerDNS zone name found.",
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}
|
||||
metrics.send(f"{function}.fail", "counter", 1)
|
||||
return zone_name
|
||||
|
||||
|
||||
def _get(path, params=None):
|
||||
""" Execute a GET request on the given URL (base_uri + path) and return response as JSON object """
|
||||
base_uri = current_app.config.get("ACME_POWERDNS_DOMAIN")
|
||||
resp = requests.get(
|
||||
f"{base_uri}{path}",
|
||||
headers=_generate_header(),
|
||||
params=params,
|
||||
verify=True,
|
||||
)
|
||||
resp.raise_for_status()
|
||||
return resp.json()
|
||||
|
||||
|
||||
def _patch(path, payload):
|
||||
""" Execute a Patch request on the given URL (base_uri + path) with given payload """
|
||||
base_uri = current_app.config.get("ACME_POWERDNS_DOMAIN")
|
||||
resp = requests.patch(
|
||||
f"{base_uri}{path}",
|
||||
data=json.dumps(payload),
|
||||
headers=_generate_header()
|
||||
)
|
||||
resp.raise_for_status()
|
||||
|
|
@ -364,7 +364,7 @@ class TestAcme(unittest.TestCase):
|
|||
|
||||
@patch("lemur.plugins.lemur_acme.ultradns.requests")
|
||||
@patch("lemur.plugins.lemur_acme.ultradns.current_app")
|
||||
def test_get_ultradns_token(self, mock_current_app, mock_requests):
|
||||
def test_ultradns_get_token(self, mock_current_app, mock_requests):
|
||||
# ret_val = json.dumps({"access_token": "access"})
|
||||
the_response = Response()
|
||||
the_response._content = b'{"access_token": "access"}'
|
||||
|
|
@ -374,7 +374,7 @@ class TestAcme(unittest.TestCase):
|
|||
self.assertTrue(len(result) > 0)
|
||||
|
||||
@patch("lemur.plugins.lemur_acme.ultradns.current_app")
|
||||
def test_create_txt_record(self, mock_current_app):
|
||||
def test_ultradns_create_txt_record(self, mock_current_app):
|
||||
domain = "_acme_challenge.test.example.com"
|
||||
zone = "test.example.com"
|
||||
token = "ABCDEFGHIJ"
|
||||
|
|
@ -395,7 +395,7 @@ class TestAcme(unittest.TestCase):
|
|||
|
||||
@patch("lemur.plugins.lemur_acme.ultradns.current_app")
|
||||
@patch("lemur.extensions.metrics")
|
||||
def test_delete_txt_record(self, mock_metrics, mock_current_app):
|
||||
def test_ultradns_delete_txt_record(self, mock_metrics, mock_current_app):
|
||||
domain = "_acme_challenge.test.example.com"
|
||||
zone = "test.example.com"
|
||||
token = "ABCDEFGHIJ"
|
||||
|
|
@ -418,7 +418,7 @@ class TestAcme(unittest.TestCase):
|
|||
|
||||
@patch("lemur.plugins.lemur_acme.ultradns.current_app")
|
||||
@patch("lemur.extensions.metrics")
|
||||
def test_wait_for_dns_change(self, mock_metrics, mock_current_app):
|
||||
def test_ultradns_wait_for_dns_change(self, mock_metrics, mock_current_app):
|
||||
ultradns._has_dns_propagated = Mock(return_value=True)
|
||||
nameserver = "1.1.1.1"
|
||||
ultradns.get_authoritative_nameserver = Mock(return_value=nameserver)
|
||||
|
|
@ -437,7 +437,7 @@ class TestAcme(unittest.TestCase):
|
|||
}
|
||||
mock_current_app.logger.debug.assert_called_with(log_data)
|
||||
|
||||
def test_get_zone_name(self):
|
||||
def test_ultradns_get_zone_name(self):
|
||||
zones = ['example.com', 'test.example.com']
|
||||
zone = "test.example.com"
|
||||
domain = "_acme-challenge.test.example.com"
|
||||
|
|
@ -446,7 +446,7 @@ class TestAcme(unittest.TestCase):
|
|||
result = ultradns.get_zone_name(domain, account_number)
|
||||
self.assertEqual(result, zone)
|
||||
|
||||
def test_get_zones(self):
|
||||
def test_ultradns_get_zones(self):
|
||||
account_number = "1234567890"
|
||||
path = "a/b/c"
|
||||
zones = ['example.com', 'test.example.com']
|
||||
|
|
|
|||
|
|
@ -0,0 +1,120 @@
|
|||
import unittest
|
||||
from mock import Mock, patch
|
||||
from lemur.plugins.lemur_acme import plugin, powerdns
|
||||
|
||||
|
||||
class TestPowerdns(unittest.TestCase):
|
||||
@patch("lemur.plugins.lemur_acme.plugin.dns_provider_service")
|
||||
def setUp(self, mock_dns_provider_service):
|
||||
self.ACMEIssuerPlugin = plugin.ACMEIssuerPlugin()
|
||||
self.acme = plugin.AcmeHandler()
|
||||
mock_dns_provider = Mock()
|
||||
mock_dns_provider.name = "powerdns"
|
||||
mock_dns_provider.credentials = "{}"
|
||||
mock_dns_provider.provider_type = "powerdns"
|
||||
self.acme.dns_providers_for_domain = {
|
||||
"www.test.com": [mock_dns_provider],
|
||||
"test.fakedomain.net": [mock_dns_provider],
|
||||
}
|
||||
|
||||
@patch("lemur.plugins.lemur_acme.powerdns.current_app")
|
||||
def test_get_zones(self, mock_current_app):
|
||||
account_number = "1234567890"
|
||||
path = "a/b/c"
|
||||
zones = ['example.com', 'test.example.com']
|
||||
get_response = [{'account': '', 'dnssec': 'False', 'id': 'example.com.', 'kind': 'Master', 'last_check': 0, 'masters': [],
|
||||
'name': 'example.com.', 'notified_serial': '2019111907', 'serial': '2019111907',
|
||||
'url': '/api/v1/servers/localhost/zones/example.com.'},
|
||||
{'account': '', 'dnssec': 'False', 'id': 'bad.example.com.', 'kind': 'Secondary', 'last_check': 0, 'masters': [],
|
||||
'name': 'bad.example.com.', 'notified_serial': '2018053104', 'serial': '2018053104',
|
||||
'url': '/api/v1/servers/localhost/zones/bad.example.com.'},
|
||||
{'account': '', 'dnssec': 'False', 'id': 'test.example.com.', 'kind': 'Master', 'last_check': 0,
|
||||
'masters': [], 'name': 'test.example.com.', 'notified_serial': '2019112501', 'serial': '2019112501',
|
||||
'url': '/api/v1/servers/localhost/zones/test.example.com.'}]
|
||||
powerdns._check_conf = Mock()
|
||||
powerdns._get = Mock(path)
|
||||
powerdns._get.side_effect = [get_response]
|
||||
mock_current_app.config.get = Mock(return_value="localhost")
|
||||
result = powerdns.get_zones(account_number)
|
||||
self.assertEqual(result, zones)
|
||||
|
||||
def test_get_zone_name(self):
|
||||
zones = ['example.com', 'test.example.com']
|
||||
zone = "test.example.com"
|
||||
domain = "_acme-challenge.test.example.com"
|
||||
account_number = "1234567890"
|
||||
powerdns.get_zones = Mock(return_value=zones)
|
||||
result = powerdns._get_zone_name(domain, account_number)
|
||||
self.assertEqual(result, zone)
|
||||
|
||||
@patch("lemur.plugins.lemur_acme.powerdns.current_app")
|
||||
def test_create_txt_record(self, mock_current_app):
|
||||
domain = "_acme_challenge.test.example.com"
|
||||
zone = "test.example.com"
|
||||
token = "ABCDEFGHIJ"
|
||||
account_number = "1234567890"
|
||||
change_id = (domain, token)
|
||||
powerdns._check_conf = Mock()
|
||||
powerdns._get_zone_name = Mock(return_value=zone)
|
||||
mock_current_app.logger.debug = Mock()
|
||||
mock_current_app.config.get = Mock(return_value="localhost")
|
||||
powerdns._patch = Mock()
|
||||
log_data = {
|
||||
"function": "create_txt_record",
|
||||
"fqdn": domain,
|
||||
"token": token,
|
||||
"message": "TXT record successfully created"
|
||||
}
|
||||
result = powerdns.create_txt_record(domain, token, account_number)
|
||||
mock_current_app.logger.debug.assert_called_with(log_data)
|
||||
self.assertEqual(result, change_id)
|
||||
|
||||
@patch("lemur.plugins.lemur_acme.powerdns.dnsutil")
|
||||
@patch("lemur.plugins.lemur_acme.powerdns.current_app")
|
||||
@patch("lemur.extensions.metrics")
|
||||
@patch("time.sleep")
|
||||
def test_wait_for_dns_change(self, mock_sleep, mock_metrics, mock_current_app, mock_dnsutil):
|
||||
domain = "_acme-challenge.test.example.com"
|
||||
token = "ABCDEFG"
|
||||
zone_name = "test.example.com"
|
||||
nameserver = "1.1.1.1"
|
||||
change_id = (domain, token)
|
||||
powerdns._check_conf = Mock()
|
||||
mock_records = (token,)
|
||||
mock_current_app.config.get = Mock(return_value=1)
|
||||
powerdns._get_zone_name = Mock(return_value=zone_name)
|
||||
mock_dnsutil.get_authoritative_nameserver = Mock(return_value=nameserver)
|
||||
mock_dnsutil.get_dns_records = Mock(return_value=mock_records)
|
||||
mock_sleep.return_value = False
|
||||
mock_metrics.send = Mock()
|
||||
mock_current_app.logger.debug = Mock()
|
||||
powerdns.wait_for_dns_change(change_id)
|
||||
|
||||
log_data = {
|
||||
"function": "wait_for_dns_change",
|
||||
"fqdn": domain,
|
||||
"status": True,
|
||||
"message": "Record status on PowerDNS authoritative server"
|
||||
}
|
||||
mock_current_app.logger.debug.assert_called_with(log_data)
|
||||
|
||||
@patch("lemur.plugins.lemur_acme.powerdns.current_app")
|
||||
def test_delete_txt_record(self, mock_current_app):
|
||||
domain = "_acme_challenge.test.example.com"
|
||||
zone = "test.example.com"
|
||||
token = "ABCDEFGHIJ"
|
||||
account_number = "1234567890"
|
||||
change_id = (domain, token)
|
||||
powerdns._check_conf = Mock()
|
||||
powerdns._get_zone_name = Mock(return_value=zone)
|
||||
mock_current_app.logger.debug = Mock()
|
||||
mock_current_app.config.get = Mock(return_value="localhost")
|
||||
powerdns._patch = Mock()
|
||||
log_data = {
|
||||
"function": "delete_txt_record",
|
||||
"fqdn": domain,
|
||||
"token": token,
|
||||
"message": "TXT record successfully deleted"
|
||||
}
|
||||
powerdns.delete_txt_record(change_id, account_number, domain, token)
|
||||
mock_current_app.logger.debug.assert_called_with(log_data)
|
||||
|
|
@ -0,0 +1,12 @@
|
|||
import unittest
|
||||
from lemur.dns_providers import util as dnsutil
|
||||
|
||||
|
||||
class TestDNSProvider(unittest.TestCase):
|
||||
def test_is_valid_domain(self):
|
||||
self.assertTrue(dnsutil.is_valid_domain("example.com"))
|
||||
self.assertTrue(dnsutil.is_valid_domain("foo.bar.org"))
|
||||
self.assertTrue(dnsutil.is_valid_domain("_acme-chall.example.com"))
|
||||
self.assertFalse(dnsutil.is_valid_domain("e/xample.com"))
|
||||
self.assertFalse(dnsutil.is_valid_domain("exam\ple.com"))
|
||||
self.assertFalse(dnsutil.is_valid_domain("*.example.com"))
|
||||
Loading…
Reference in New Issue