1.0.0

sign_py.py

@@ -0,0 +1,121 @@
+import time
+import random
+from datetime import datetime
+
+
+def getSign(e):
+    def unsigned_right_shift(n, shift):
+        return (n % 0x100000000) >> shift
+
+    def simulate_js_overflow(js_int, n):
+        # 转二进制
+        if js_int < 0:
+            js_int = -js_int
+            js_int = str(bin(js_int))[2:]
+            js_int = js_int.zfill(32)
+            js_int = js_int.replace("0", "2")
+            js_int = js_int.replace("1", "0")
+            js_int = js_int.replace("2", "1")
+            js_int = int(js_int, 2) + 1
+        bin_int = str(bin(js_int))[2:].zfill(32)
+        if n < 0:
+            # 转补码
+            n = -n
+            n = str(bin(n))[2:]
+            n = n.zfill(32)
+            n = n.replace("0", "2")
+            n = n.replace("1", "0")
+            n = n.replace("2", "1")
+            n = int(n, 2) + 1
+        bin_n = str(bin(n))[2:].zfill(32)
+        result = ""
+        for i in range(0, len(bin_int)):
+            temp = int(bin_n[i]) ^ int(bin_int[i])
+            result = result + str(temp)
+        if result[0] == "1":
+            # 取补码
+            result = result.replace("0", "2")
+            result = result.replace("1", "0")
+            result = result.replace("2", "1")
+            result = int(result, 2) + 1
+            result = -result
+        else:
+            result = int(result, 2)
+        return result
+
+    def A(t):
+        r = t.replace('\r\n', '\n')
+        a = -1
+
+        def generate_array():
+            t = []
+            for e in range(256):
+                n = e
+                for _ in range(8):
+                    if n & 1:  # 如果 n 的最低位是 1
+                        # print("入口：n：", n)
+                        n = simulate_js_overflow(3988292384, unsigned_right_shift(n, 1))
+                    else:
+                        n = unsigned_right_shift(n, 1)
+                t.append(n)
+            return t
+
+        n = generate_array()
+        # print(n)
+        for i in range(len(r)):
+            # print("a:", unsigned_right_shift(a, 8))
+            a = unsigned_right_shift(a, 8) ^ n[255 & (a ^ ord(r[i]))]
+        # print("zz", a)
+        return str((simulate_js_overflow(-1, a)) & 0xFFFFFFFF)
+
+    def generate_timestamp():
+        return round((time.time() + datetime.now().astimezone().utcoffset().total_seconds() + 28800) / 1)
+
+    def adjust_timestamp(o, timestamp):
+        if timestamp:
+            i = timestamp
+            m = i
+            if 20 <= abs(1000 * o - 1000 * int(m)) / 1000 / 60:
+                return i
+        return o
+
+    def formatDate(t, e=None, n=8):
+        t = int(t)  # Use the original timestamp
+        t = t - 480 * 60
+        r = datetime.fromtimestamp(t + 3600 * n)  # Convert to seconds and add 'n' hours
+        data = {
+            'y': str(r.year),
+            'm': f"0{r.month}" if r.month < 10 else str(r.month),
+            'd': f"0{r.day}" if r.day < 10 else str(r.day),
+            'h': f"0{r.hour}" if r.hour < 10 else str(r.hour),
+            'f': f"0{r.minute}" if r.minute < 10 else str(r.minute)
+        }
+        return data
+
+    def generate_signature(a, o, e, n, r):
+        s = ["a", "d", "e", "f", "g", "h", "l", "m", "y", "i", "j", "n", "o", "p", "k", "q", "r", "s", "t", "u", "b",
+             "c", "v", "w", "s", "z"]
+        u = formatDate(o)
+        h = u['y']
+        g = u['m']
+        l = u['d']
+        c = u['h']
+        u = u['f']
+        d = ''.join([h, g, l, c, u])
+        f = [s[int(p)] for p in d]
+        h = A(''.join(f))
+        g = A(f"{o}|{a}|{e}|{n}|{r}|{h}")
+        return [h, f"{o}-{a}-{g}"]
+
+    a = str(random.randint(0, 9999999))
+    o = generate_timestamp()
+    o = adjust_timestamp(o, timestamp=round(time.time()))
+
+    n = "web"
+    r = '3'
+    return generate_signature(a, o, e, n, r)
+
+
+if __name__ == '__main__':
+    e = '/b/api/file/list/new'
+    print(getSign(e))