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py_arkose_generator/util.py

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+import base64
+import json
+import random
+import time
+import urllib.parse
+
+from .crypt import encrypt
+from .fingerprint import getEnhancedFingerprint, getFingerprint, prepareF, prepareFe
+from .murmur import x64hash128
+
+DEFAULT_USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36"
+
+
+def _random():
+    hex_chars = "0123456789abcdef"
+    random_string = "".join(random.choice(hex_chars) for _ in range(32))
+    return random_string
+
+
+def constructFormData(data):
+    filtered_data = {k: v for k, v in data.items() if v is not None}
+    encoded_data = [
+        f"{k}={urllib.parse.quote(str(v))}" for k, v in filtered_data.items()
+    ]
+    form_data = "&".join(encoded_data)
+    return form_data
+
+
+def getBda(userAgent, opts):
+    fp = getFingerprint()
+    fe = prepareFe(fp)
+
+    bda = [
+        {"key": "api_type", "value": "js"},
+        {"key": "p", "value": 1},
+        {"key": "f", "value": x64hash128(prepareF(fp), 31)},
+        {
+            "key": "n",
+            "value": base64.b64encode(str(int(time.time())).encode()).decode("utf-8"),
+        },
+        {"key": "wh", "value": f"{_random()}|{_random()}"},
+        {"key": "enhanced_fp", "value": getEnhancedFingerprint(fp, userAgent, opts)},
+        {"key": "fe", "value": fe},
+        {"key": "ife_hash", "value": x64hash128(", ".join(fe), 38)},
+        {"key": "cs", "value": 1},
+        {
+            "key": "jsbd",
+            "value": json.dumps(
+                {"HL": 4, "DT": "", "NWD": "false", "DOTO": 1, "DMTO": 1}
+            ),
+        },
+    ]
+
+    current_time = int(time.time())
+    key = userAgent + str(current_time - (current_time % 21600))
+    s = json.dumps(bda)
+    encrypted = encrypt(s, key)
+
+    return base64.b64encode(encrypted.encode()).decode("utf-8")