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46 lines
1.1 KiB
46 lines
1.1 KiB
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 |