Refactoring GET request handling. (#45051)
This commit is contained in:
Felix Fontein
René Moser
parent
998badbda5
commit
26edeb7cce
2 changed files with 47 additions and 51 deletions
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@ -81,29 +81,6 @@ def nopad_b64(data):
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return base64.urlsafe_b64encode(data).decode('utf8').replace("=", "")
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def simple_get(module, url):
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resp, info = fetch_url(module, url, method='GET')
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result = {}
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try:
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content = resp.read()
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except AttributeError:
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content = info.get('body')
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if content:
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if info['content-type'].startswith('application/json'):
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try:
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result = module.from_json(content.decode('utf8'))
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except ValueError:
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raise ModuleFailException("Failed to parse the ACME response: {0} {1}".format(url, content))
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else:
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result = content
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if info['status'] >= 400:
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raise ModuleFailException("ACME request failed: CODE: {0} RESULT: {1}".format(info['status'], result))
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return result
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def read_file(fn, mode='b'):
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try:
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with open(fn, 'r' + mode) as f:
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@ -469,12 +446,12 @@ class ACMEDirectory(object):
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https://tools.ietf.org/html/draft-ietf-acme-acme-14#section-7.1.1
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'''
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def __init__(self, module):
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def __init__(self, module, account):
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self.module = module
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self.directory_root = module.params['acme_directory']
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self.version = module.params['acme_version']
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self.directory = simple_get(self.module, self.directory_root)
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self.directory, dummy = account.get_request(self.directory_root)
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# Check whether self.version matches what we expect
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if self.version == 1:
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@ -512,7 +489,6 @@ class ACMEAccount(object):
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# account_key path and content are mutually exclusive
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self.key = module.params['account_key_src']
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self.key_content = module.params['account_key_content']
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self.directory = ACMEDirectory(module)
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# Grab account URI from module parameters.
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# Make sure empty string is treated as None.
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@ -533,6 +509,8 @@ class ACMEAccount(object):
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# Make sure self.jws_header is updated
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self.set_account_uri(self.uri)
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self.directory = ACMEDirectory(module, self)
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def get_keyauthorization(self, token):
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'''
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Returns the key authorization for the given token
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@ -566,7 +544,7 @@ class ACMEAccount(object):
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else:
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return _sign_request_openssl(self._openssl_bin, self.module, payload64, protected64, key_data)
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def send_signed_request(self, url, payload, key_data=None, jws_header=None):
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def send_signed_request(self, url, payload, key_data=None, jws_header=None, parse_json_result=True):
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'''
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Sends a JWS signed HTTP POST request to the ACME server and returns
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the response as dictionary
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@ -596,17 +574,19 @@ class ACMEAccount(object):
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except AttributeError:
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content = info.get('body')
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if content:
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if info['content-type'].startswith('application/json') or 400 <= info['status'] < 600:
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if content or not parse_json_result:
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if (parse_json_result and info['content-type'].startswith('application/json')) or 400 <= info['status'] < 600:
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try:
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result = self.module.from_json(content.decode('utf8'))
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decoded_result = self.module.from_json(content.decode('utf8'))
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# In case of badNonce error, try again (up to 5 times)
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# (https://tools.ietf.org/html/draft-ietf-acme-acme-14#section-6.6)
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if (400 <= info['status'] < 600 and
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result.get('type') == 'urn:ietf:params:acme:error:badNonce' and
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decoded_result.get('type') == 'urn:ietf:params:acme:error:badNonce' and
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failed_tries <= 5):
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failed_tries += 1
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continue
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if parse_json_result:
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result = decoded_result
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except ValueError:
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raise ModuleFailException("Failed to parse the ACME response: {0} {1}".format(url, content))
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else:
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@ -614,6 +594,31 @@ class ACMEAccount(object):
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return result, info
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def get_request(self, uri, parse_json_result=True, headers=None):
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resp, info = fetch_url(self.module, uri, method='GET', headers=headers)
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try:
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content = resp.read()
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except AttributeError:
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content = info.get('body')
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if parse_json_result:
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result = {}
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if content:
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if info['content-type'].startswith('application/json'):
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try:
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result = self.module.from_json(content.decode('utf8'))
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except ValueError:
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raise ModuleFailException("Failed to parse the ACME response: {0} {1}".format(uri, content))
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else:
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result = content
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else:
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result = content
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if info['status'] >= 400:
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raise ModuleFailException("ACME request failed: CODE: {0} RESULT: {1}".format(info['status'], result))
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return result, info
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def set_account_uri(self, uri):
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'''
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Set account URI. For ACME v2, it needs to be used to sending signed
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@ -330,7 +330,7 @@ account_uri:
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'''
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from ansible.module_utils.acme import (
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ModuleFailException, fetch_url, write_file, nopad_b64, simple_get, pem_to_der, ACMEAccount,
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ModuleFailException, write_file, nopad_b64, pem_to_der, ACMEAccount,
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HAS_CURRENT_CRYPTOGRAPHY, cryptography_get_csr_domains, cryptography_get_cert_days,
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set_crypto_backend,
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)
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@ -553,7 +553,7 @@ class ACMEClient(object):
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status = ''
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while status not in ['valid', 'invalid', 'revoked']:
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result = simple_get(self.module, auth['uri'])
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result, dummy = self.account.get_request(auth['uri'])
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result['uri'] = auth['uri']
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if self._add_or_update_auth(domain, result):
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self.changed = True
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@ -590,7 +590,7 @@ class ACMEClient(object):
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status = result['status']
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while status not in ['valid', 'invalid']:
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time.sleep(2)
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result = simple_get(self.module, order)
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result, dummy = self.account.get_request(order)
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status = result['status']
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if status != 'valid':
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@ -611,11 +611,7 @@ class ACMEClient(object):
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Download and parse the certificate chain.
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https://tools.ietf.org/html/draft-ietf-acme-acme-14#section-7.4.2
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'''
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resp, info = fetch_url(self.module, url, headers={'Accept': 'application/pem-certificate-chain'})
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try:
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content = resp.read()
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except AttributeError:
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content = info.get('body')
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content, info = self.account.get_request(url, parse_json_result=False, headers={'Accept': 'application/pem-certificate-chain'})
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if not content or not info['content-type'].startswith('application/pem-certificate-chain'):
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raise ModuleFailException("Cannot download certificate chain from {0}: {1} (headers: {2})".format(url, content, info))
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@ -642,9 +638,9 @@ class ACMEClient(object):
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parsed_link = re.match(r'<(.+)>;rel="(\w+)"', link)
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if parsed_link and parsed_link.group(2) == "up":
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chain_link = parsed_link.group(1)
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chain_result, chain_info = fetch_url(self.module, chain_link, method='GET')
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chain_result, chain_info = self.account.get_request(chain_link, parse_json_result=False)
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if chain_info['status'] in [200, 201]:
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chain.append(self._der_to_pem(chain_result.read()))
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chain.append(self._der_to_pem(chain_result))
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if cert is None or current:
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raise ModuleFailException("Failed to parse certificate chain download from {0}: {1} (headers: {2})".format(url, content, info))
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@ -669,9 +665,9 @@ class ACMEClient(object):
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parsed_link = re.match(r'<(.+)>;rel="(\w+)"', link)
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if parsed_link and parsed_link.group(2) == "up":
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chain_link = parsed_link.group(1)
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chain_result, chain_info = fetch_url(self.module, chain_link, method='GET')
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chain_result, chain_info = self.account.get_request(chain_link, parse_json_result=False)
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if chain_info['status'] in [200, 201]:
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chain = [self._der_to_pem(chain_result.read())]
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chain = [self._der_to_pem(chain_result)]
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if info['status'] not in [200, 201]:
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raise ModuleFailException("Error new cert: CODE: {0} RESULT: {1}".format(info['status'], result))
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@ -698,7 +694,7 @@ class ACMEClient(object):
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raise ModuleFailException("Error new order: CODE: {0} RESULT: {1}".format(info['status'], result))
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for auth_uri in result['authorizations']:
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auth_data = simple_get(self.module, auth_uri)
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auth_data, dummy = self.account.get_request(auth_uri)
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auth_data['uri'] = auth_uri
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domain = auth_data['identifier']['value']
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if auth_data.get('wildcard', False):
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@ -774,11 +770,7 @@ class ACMEClient(object):
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else:
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# For ACME v2, we obtain the order object by fetching the
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# order URI, and extract the information from there.
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resp, info = fetch_url(self.module, self.order_uri)
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try:
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result = resp.read()
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except AttributeError:
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result = info.get('body')
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result, info = self.account.get_request(self.order_uri)
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if not result:
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raise ModuleFailException("Cannot download order from {0}: {1} (headers: {2})".format(self.order_uri, result, info))
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@ -786,9 +778,8 @@ class ACMEClient(object):
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if info['status'] not in [200]:
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raise ModuleFailException("Error on downloading order: CODE: {0} RESULT: {1}".format(info['status'], result))
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result = self.module.from_json(result.decode('utf8'))
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for auth_uri in result['authorizations']:
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auth_data = simple_get(self.module, auth_uri)
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auth_data, dummy = self.account.get_request(auth_uri)
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auth_data['uri'] = auth_uri
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domain = auth_data['identifier']['value']
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if auth_data.get('wildcard', False):
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