加密函数 转 py

utils.py

+import base64
+import math
+import re
+from urllib.parse import quote, unquote
+
+
+def wv(t, e, n, r, o):
+    return math.floor(((t - e) / (n - e)) * (o - r) + r)
+
+
+class PxUtils():
+    def __init__(self):
+        pass
+
+    def encode_payload(self, payload, uuid, ts=''):
+        sts = ts if len(ts) != 0 else '1604064986000'
+        t1 = self.ie(payload, 50)
+        # print(t1)
+        BasePayload = self.encode(t1)
+        print(BasePayload)
+        fv = self.ie(self.encode(sts), 10)
+        print(fv)
+        t3 = self.Ev(fv, len(BasePayload), uuid)
+        print(t3)
+    def ie(self, t, e):
+        n = bytearray()
+        for i in range(len(t)):
+            n.append(e ^ ord(t[i]))
+        return n.decode()
+    def encode(self, t):
+        encoded_str = quote(t)
+        res = re.findall('(%[0-9A-F]{2})', encoded_str)
+        for i in set(list(res)):
+            # print(i, '0x'+i[1:])
+            encoded_str = encoded_str.replace(i, chr(int('0x'+i[1:] , 16)))
+        b64_encoded = base64.b64encode(encoded_str.encode('utf-8')).decode('utf-8')
+        return b64_encoded
+
+    def Ev(self, t, e, n):
+        r = self.ie(self.encode(n), 10)
+        o = []
+        a = -1
+        for i in range(len(t)):
+            l = math.floor(i / len(r)+ 1)
+            if i >= len(r):
+                c = i % len(r)
+            else:
+                c = i
+            u = ord(r[c]) * ord(r[l])
+
+            if u > a:
+                a = u
+        for f in range(len(t)):
+            s = math.floor(f / len(r)) + 1
+            d = f % len(r)
+            p = ord(r[d]) * ord(r[s])
+            if p >= e:
+                p = wv(p, 0,a,0,e-1)
+            while p in o:
+                p += 1
+            o.append(p)
+
+        sorted(o)
+        return o
+
+if __name__ == '__main__':
+    p = PxUtils()
+    payload = '[{"t":"PX12095","d":{"PX11645":"https://www.flyfrontier.com/","PX12207":0,"PX12458":"MacIntel","PX11902":0,"PX11560":4769,"PX12248":3600,"PX11385":1700553697276,"PX12280":1700553697286,"PX11496":"31fafcb0-8844-11ee-8d49-97ed9bc8f96f","PX12564":null,"PX12565":-1,"PX11379":false}}]'
+    uuid = '31fafcb0-8844-11ee-8d49-97ed9bc8f96f'
+    p.encode_payload(payload, uuid)
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