55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import absolute_import, unicode_literals
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import copy
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import hashlib
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import socket
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import six
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from wechatpy.utils import to_binary, to_text
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def format_url(params, api_key=None):
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data = [to_binary('{0}={1}'.format(k, params[k])) for k in sorted(params) if params[k]]
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if api_key:
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data.append(to_binary('key={0}'.format(api_key)))
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return b"&".join(data)
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def calculate_signature(params, api_key):
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url = format_url(params, api_key)
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return to_text(hashlib.md5(url).hexdigest().upper())
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def _check_signature(params, api_key):
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_params = copy.deepcopy(params)
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sign = _params.pop('sign', '')
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return sign == calculate_signature(_params, api_key)
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def dict_to_xml(d, sign):
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xml = ['<xml>\n']
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for k in sorted(d):
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# use sorted to avoid test error on Py3k
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v = d[k]
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if isinstance(v, six.integer_types) or v.isdigit():
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xml.append('<{0}>{1}</{0}>\n'.format(to_text(k), to_text(v)))
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else:
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xml.append(
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'<{0}><![CDATA[{1}]]></{0}>\n'.format(to_text(k), to_text(v))
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)
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xml.append('<sign><![CDATA[{0}]]></sign>\n</xml>'.format(to_text(sign)))
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return ''.join(xml)
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def get_external_ip():
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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try:
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wechat_ip = socket.gethostbyname('api.mch.weixin.qq.com')
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sock.connect((wechat_ip, 80))
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addr, port = sock.getsockname()
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sock.close()
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return addr
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except socket.error:
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return '127.0.0.1'
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