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46 lines
1.1 KiB
46 lines
1.1 KiB
6 months ago
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import re
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from hashlib import md5
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"""
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用于生成网售签名
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"""
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class Sign:
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def __init__(self, salt='ly725xw701'):
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self.salt = salt
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def __ksort(self, params):
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"""
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请求参数排序
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:params: 未排序的参数字典
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:return: 排列后的请求参数字符串
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"""
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sorted_params = sorted(params.items(), key=lambda k: k[0])
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p = [f'{k}={v}' for k, v in sorted_params]
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params_str = '&'.join(p)
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return params_str
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def __generate_sign(self, params):
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"""
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生成签名方法
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:param params: 未排序的参数字典
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:param salt: 盐值（授权码）
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:return: 生成签名
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"""
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str0 = self.salt + self.__ksort(params)
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m1 = md5(str0.encode()).hexdigest()
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str1 = m1 + self.salt
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sign = md5(str1.encode()).hexdigest()
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return sign
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def add_sig(self, params):
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"""
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添加sig到params
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:param params:
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:return:
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"""
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sig = self.__generate_sign(params)
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params.update({'_sig': sig})
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return params
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