63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
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from urllib.parse import quote_plus, urlencode
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import hmac
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import hashlib
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import base64
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import socket
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import uuid
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import datetime
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import platform
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import alibabacloud_credentials
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from Tea.request import TeaRequest
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TIME_ZONE = "UTC"
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FORMAT_ISO_8601 = "yyyy-MM-dd'T'HH:mm:ss'Z'"
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FORMAT_RFC_2616 = "%a, %d %b %Y %H:%M:%S GMT"
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SEPARATOR = "&"
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ENCODING = "UTF-8"
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ALGORITHM_NAME = "HmacSHA1"
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def get_new_request():
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request = TeaRequest()
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request.headers['user-agent'] = f'AlibabaCloud ({platform.system()}; {platform.machine()}) ' \
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f'Python/{platform.python_version()} ' \
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f'Credentials/{alibabacloud_credentials.__version__} ' \
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f'TeaDSL/1'
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return request
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def get_uuid():
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name = socket.gethostname() + str(uuid.uuid1())
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namespace = uuid.NAMESPACE_URL
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return str(uuid.uuid5(namespace, name))
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def get_iso_8061_date():
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return datetime.datetime.utcnow().strftime("%Y-%m-%dT%H:%M:%SZ")
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def compose_string_to_sign(method, queries):
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sorted_key = sorted(list(queries.keys()))
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canonicalized_query_string = ''
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for key in sorted_key:
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canonicalized_query_string += '&%s=%s' % (
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quote_plus(key), quote_plus(queries.get(key))
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)
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string_to_sign = method + SEPARATOR + quote_plus('/') + SEPARATOR + quote_plus(canonicalized_query_string[1:])
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return string_to_sign
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def sign_string(sign, secret):
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hash_val = hmac.new(secret.encode(ENCODING), sign.encode(ENCODING), hashlib.sha1).digest()
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signature = base64.encodebytes(hash_val).decode(ENCODING)
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return signature.rstrip('\n')
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def compose_url(endpoint, queries, protocol):
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url = protocol + "://" + endpoint + "/?"
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url += urlencode(queries)
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return url
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