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acme_class.py
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acme_class.py
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# coding=utf-8
from acme_util import dns01_plugin_dir, dns01_txt, notify_plugin_dir, init_domain_key, result_dir, path_check, get_ARI_CertID
from acme_req import ACME_Order, ACME_AuthZ, ACME_Chall, ACME_Finalize, ACME_Cert, ARI_Req
import os
from importlib import import_module
import time
from datetime import datetime
class DNS01():
def __init__(self,info):
self.name = info['name']
self.type = info['type']
self.spec = info['spec']
def precheck(self):
if os.path.exists(os.path.join(dns01_plugin_dir, self.type+'.py')):
self.plugin = import_module('dns01.'+self.type)
return True
else:
print "DNS-01 Plugin Program Not Exist!"
return False
def add_txt_record(self,domain,token):
record = ("_acme-challenge."+domain, dns01_txt(token))
try:
if self.plugin.add(self.spec, record):
return True
else:
raise
except:
print "DNS-01 Plugin Add record Fail!"
return False
def rm_txt_record(self,domain):
record = ("_acme-challenge."+domain, "")
try:
if not self.plugin.rm(self.spec, record):
raise
except:
print "Warn: DNS-01 Plugin Remove record Fail"
# 删除解析记录即使失败提示即可不必退出
class Notify():
def __init__(self,info):
self.name = info['name']
self.type = info['type']
self.spec = info['spec']
def precheck(self):
if os.path.exists(os.path.join(notify_plugin_dir, self.type+'.py')):
self.plugin = import_module('notify.'+self.type)
return True
else:
print "Notify Plugin Program Not Exist!"
return False
def send_notify(self,statu,order_info):
try:
if statu:
if not self.plugin.normal(self.spec,order_info):
raise
else:
if not self.plugin.error(self.spec,order_info):
raise
except:
print "Warn: Notify Plugin Send Fail"
# VERIFY_RETRY_NUM = 5
CHALLENGE_DELAY = 60
# NEAR_EXPIRE_MIN = 6
DEPLOY_DEFAULT_TIMEOUT = 10
class Order():
def __init__(self,info):
self.name = info['name']
self.domains = info['domains']
self.use_dns01 = info['use_dns01']
if info.has_key('use_notify'):
self.use_notify = info['use_notify']
else:
self.use_notify = None
if info.has_key('no_cron'):
self.no_cron = info['no_cron']
else:
self.no_cron = False
if info.has_key('deploy'):
self.deploy = info['deploy']
else:
self.deploy = None
self.order_dir = os.path.join(result_dir, self.name)
self.key_path = os.path.join(self.order_dir, 'domain')
self.cert_path = os.path.join(self.order_dir, 'fullchain.crt')
self.csr_path = os.path.join(self.order_dir, 'domain.csr')
def precheck(self, dns01_list, notify_list):
if not dns01_list.has_key(self.use_dns01):
print "Selected DNS-01 Config Not Exist!"
return False
self.dns01_obj = dns01_list[self.use_dns01]
if self.use_notify:
if not notify_list.has_key(self.use_notify):
print "Selected Notify Config Not Exist!"
return False
self.notify_obj = notify_list[self.use_notify]
return True
# def _cert_date(self):
# raw = os.popen("openssl x509 -in {} -noout -enddate".format(self.cert_path)).read()
# raw_split = raw.split('=')[1].split()
# maked = "{}-{}-{}".format(raw_split[-2], raw_split[0], raw_split[1])
# expire = datetime.datetime.strptime(maked, "%Y-%b-%d")
# return expire
# def cert_date_check(self):
# expire = self._cert_date()
# today = datetime.datetime.today()
# if expire > today:
# delta = expire - today
# return delta.days > NEAR_EXPIRE_MIN
# else: # expire long ago ....
# return False
# https://letsencrypt.org/2024/04/25/guide-to-integrating-ari-into-existing-acme-clients#
def ARI_Check(self):
self.ARI_CertID = get_ARI_CertID(self.cert_path)
start, _end = ARI_Req(self.ARI_CertID)
start_datetime = datetime.strptime(start.split('.')[0], "%Y-%m-%dT%H:%M:%SZ")
return datetime.utcnow() < start_datetime
def renew(self,cron=False):
if cron and self.no_cron:
return True
# PreCheck
if os.path.exists(self.cert_path):
if self.ARI_Check():
print "Certificate Not In ARI suggested Window for Order [{}], Skip.".format(self.name)
print "( If want to Force Update, Delete the specified directory in result )"
return True # 跳过流程 继续执行下一订单
print "Start Order (Renew) -- {}".format(self.name)
order_obj = ACME_Order(1, domains=self.domains, replaces=self.ARI_CertID)
else:
print "Start Order -- {}".format(self.name)
order_obj = ACME_Order(1, domains=self.domains)
result = order_obj.stable_return()
if result["status"] == "pending":
if not self.normal_order(result):
return False
elif result["status"] == "ready": # 处理上次中断的订单
print "Order Ready Before :) Continue."
else:
self.ERROR_EXIT()
return False
finalize_url = result["finalize"]
if os.path.exists(self.csr_path):
print "Order is used, Use last CSR."
else:
init_domain_key(self.domains, self.order_dir)
print "Complete Finalize, Submit CSR"
finalize_obj = ACME_Finalize(1, finalize_url, self.csr_path)
result = finalize_obj.stable_return()
if result["status"] != "valid":
self.ERROR_EXIT()
return False
cert_url = result["certificate"]
print "Receive Certificate And Save."
cert_obj = ACME_Cert(0,cert_url)
result = cert_obj.stable_return()
fullchain_path = self.cert_path
with open(fullchain_path, 'w') as f:
f.write(result)
print "ACME Done."
self.normal_notify()
if self.deploy:
self.deploy_process()
def normal_order(self,order_result):
order_url = order_result['url']
authz_url_list = order_result["authorizations"] # 注意这里是个挑战列表
print "Authorization Count {}".format(len(authz_url_list))
for authz_url in authz_url_list:
print "Start Authorization {}".format(authz_url.split('/')[-1])
authz_obj = ACME_AuthZ(0,authz_url)
result = authz_obj.stable_return()
for chall in result["challenges"]:
if chall["type"] == "dns-01":
chall_url = chall["url"]
chall_token = chall["token"]
break
chall_domain = result["identifier"]["value"]
if not self.dns01_obj.add_txt_record(chall_domain,chall_token):
self.ERROR_EXIT("DNS-01 Plugin Add record Fail!")
return False
print "Wait {} second, Then Request Challenge".format(CHALLENGE_DELAY)
time.sleep(CHALLENGE_DELAY)
ACME_Chall(1,chall_url)
# Fuck Let's Encrypt!!!!
# 实测 Let's Encrypt 挑战失败直接invalid 导致整个订单invalid 没有意义
# for i in range(VERIFY_RETRY_NUM):
# wait_second = 5*(1+i)
# print "Wait {} second, Then verify Challenge".format(wait_second)
# time.sleep(wait_second)
# chall_obj = ACME_Chall(0,chall_url)
# result = chall_obj.stable_return()
# if result["status"] == "valid":
# break
# elif result["status"] == "processing":
# continue
# else:
# Unknow_Error()
time.sleep(2)
print "Verify Challenge."
chall_obj = ACME_Chall(0,chall_url)
result = chall_obj.stable_return()
if result["status"] != "valid":
self.ERROR_EXIT()
return False
print "Verify Authorization {}".format(authz_url.split('/')[-1])
authz_obj = ACME_AuthZ(0,authz_url)
result = authz_obj.stable_return()
if result["status"] != "valid":
if "error" in result:
self.ERROR_EXIT("Challenge Error: " + result["error"]["detail"])
else:
self.ERROR_EXIT()
return False
# 删除解析记录即使失败提示即可不必退出
self.dns01_obj.rm_txt_record(chall_domain)
print "Verify Order whether Ready"
order_obj = ACME_Order(0, url=order_url)
result = order_obj.stable_return()
if result["status"] != "ready":
self.ERROR_EXIT()
return False
return True
def deploy_process(self):
for deploy in self.deploy:
if deploy.has_key('copy-file'):
target = deploy['copy-file']
if target.has_key('key-path'):
path_check(target['key-path'])
os.popen("/bin/cp -f {} {}".format(self.key_path,target['key-path'])) # /bin/cp 防止 alias cp='cp -i' 干扰
if target.has_key('cert-path'):
path_check(target['cert-path'])
os.popen("/bin/cp -f {} {}".format(self.cert_path,target['cert-path'])) # /bin/cp 防止 alias cp='cp -i' 干扰
if deploy.has_key('link-file'):
target = deploy['link-file']
if target.has_key('key-path'):
path_check(target['key-path'])
os.popen("ln -sf {} {}".format(self.key_path,target['key-path']))
if target.has_key('cert-path'):
path_check(target['cert-path'])
os.popen("ln -sf {} {}".format(self.cert_path,target['cert-path']))
if deploy.has_key('command'):
for command in deploy['command']:
command = command.replace("{KEY-PATH}", self.key_path)
command = command.replace("{CERT-PATH}", self.cert_path)
os.popen("timeout {} {}".format(DEPLOY_DEFAULT_TIMEOUT, command)) # 不接受执行结果 And 超时控制
print "deploy task [{}] End.".format(deploy['name'])
def ERROR_EXIT(self,msg=None):
if msg:
self.error = msg
else:
self.error = "Unknow Error, Exception Exit."
print self.error
self.error_notify()
def error_notify(self):
if self.use_notify:
self.notify_obj.send_notify(0,self.__dict__)
def normal_notify(self):
if self.use_notify:
self.notify_obj.send_notify(1,self.__dict__)