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acme_req.py
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acme_req.py
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# coding=utf-8
import requests
import json
from acme_util import _b64, acct_auth_option, signature, log_dir
import time
import os
REQ_RETRY_NUM = 5
directory_Data = {}
def ACME_directory(staging=False):
if staging:
directory_url = "https://acme-staging-v02.api.letsencrypt.org/directory"
else:
# This is Production
directory_url = "https://acme-v02.api.letsencrypt.org/directory"
r = requests.get(directory_url)
if r.status_code != 200:
return False
else:
info = r.json()
directory_Data["newAccount"] = info["newAccount"]
directory_Data["newNonce"] = info["newNonce"]
directory_Data["newOrder"] = info["newOrder"]
directory_Data["renewalInfo"] = info["renewalInfo"]
return True
def ARI_Req(ARI_CertID):
r = requests.get(directory_Data["renewalInfo"] + '/' + ARI_CertID)
info = r.json()
if info.has_key("explanationURL"):
print "ARI WARN:\t" + info["explanationURL"]
return info["suggestedWindow"]["start"], info["suggestedWindow"]["end"]
class ACME_REQ:
Forward_r_list = []
@staticmethod
def get_nonce():
if len(ACME_REQ.Forward_r_list):
r = ACME_REQ.Forward_r_list[-1]
else:
r = requests.head(directory_Data["newNonce"])
return r.headers.get('Replay-Nonce')
def __init__(self,url,payload=None):
self.url = url
# Fuck!!! {} Empty Dict also as False
if payload == None:
self.payload64 = ""
else:
self.payload64 = _b64(json.dumps(payload))
self.try_req()
def build_protected(self):
protected = {
"nonce": self.get_nonce(),
"url": self.url,
"alg": "ES256"
}
protected.update(acct_auth_option())
self.protected64 = _b64(json.dumps(protected))
def req_signature(self):
return signature(self.protected64,self.payload64)
def req(self):
# Fix Bug: should get_nonce Every req
self.build_protected()
content = {
"protected": self.protected64,
"payload": self.payload64,
"signature": self.req_signature()
}
# 不用 json= 参数, 防止 Content-Type 覆盖
r = requests.post(self.url, headers={"Content-Type":"application/jose+json"}, data=json.dumps(content))
# 无论是否成功都加入列表中 因为响应中都包含Replay-Nonce 同时也方便调试
ACME_REQ.Forward_r_list.append(r)
# 还有 201 Created
if r.status_code != 200 and r.status_code != 201:
return False
else:
self.r = r
return True
def try_req(self):
for i in range(REQ_RETRY_NUM):
if self.req():
return
else:
print "Request Error, 10s Later Retry..."
time.sleep(10)
print "Limit Retry Number upper, Exception Exit."
self.Exception_Exit()
def stable_return(self):
# Fix Bug: some response Not json (e.g. ACME_Cert)
if self.r.headers["Content-Type"] == "application/json":
# some response Not have Location (headers.get return None)
data = {'url': self.r.headers.get('Location')}
data.update(self.r.json())
return data
else:
return self.r.content
@staticmethod
def print_raw_res():
output = ""
for r in ACME_REQ.Forward_r_list:
output += '''
###
{req.method} {req.url}
{req_headers}
{req_body}
-------------------------------------------------
{res.status_code} {res.reason}
{res_headers}
{res.text}
'''.format(
req=r.request,
req_body=json.dumps(json.loads(r.request.body), indent=2, encoding='utf-8'),
res=r,
req_headers='\r\n'.join('{}: {}'.format(k, v) for k, v in r.request.headers.items()),
res_headers='\r\n'.join('{}: {}'.format(k, v) for k, v in r.headers.items())
)
return output
@staticmethod
def save_http_log():
filetime = time.strftime("%Y-%m-%d_%H-%M", time.localtime())
http_log_path = os.path.join(log_dir, filetime+'.http')
write_content = ACME_REQ.print_raw_res()
if write_content:
with open(http_log_path,'w') as f:
f.write(write_content)
@staticmethod
def Exception_Exit():
ACME_REQ.save_http_log()
import sys
sys.exit(1)
class ACME_Account(ACME_REQ):
def __init__(self,mode):
if mode:
url = directory_Data["newAccount"]
payload = {
"termsOfServiceAgreed": True
}
ACME_REQ.__init__(self,url,payload)
# Not Used
# else:
# url = acct_Data["kid"]
# ACME_REQ.__init__(self,url)
class ACME_Order(ACME_REQ):
def __init__(self,mode,domains=[],url=None, replaces=None):
if mode:
url = directory_Data["newOrder"]
payload = {
"identifiers": []
}
for d in domains:
payload["identifiers"].append(
{
"type": "dns",
"value": d
}
)
# ARI replaces option
if replaces:
payload["replaces"] = replaces
ACME_REQ.__init__(self,url,payload)
# verify statu
else:
ACME_REQ.__init__(self,url)
class ACME_AuthZ(ACME_REQ):
def __init__(self,mode,url): # mode only 0
ACME_REQ.__init__(self,url)
class ACME_Chall(ACME_REQ):
def __init__(self,mode,url):
# Go Challenge
if mode:
payload = {}
ACME_REQ.__init__(self,url,payload)
# verify statu
else:
ACME_REQ.__init__(self,url)
class ACME_Finalize(ACME_REQ):
def __init__(self,mode,url,csrfile): # mode only 1
csr_der = _b64(os.popen("openssl req -in {} -outform DER".format(csrfile)).read())
payload = {
"csr": csr_der
}
ACME_REQ.__init__(self,url,payload)
class ACME_Cert(ACME_REQ):
def __init__(self,mode,url): # mode only 0
ACME_REQ.__init__(self,url)