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7 changes: 6 additions & 1 deletion app/services/randomgen_service.py
Original file line number Diff line number Diff line change
Expand Up @@ -17,4 +17,9 @@ def generate_uuidv4():
@staticmethod
def generate_minecraft_uuid(username: str):
"""Generates the offline UUID of a Minecraft username"""
return uuid.uuid3(uuid.NAMESPACE_OID, f"OfflinePlayer:{username.strip()}")
name = f"OfflinePlayer:{username.strip()}".encode("utf-8")
md5 = hashlib.md5(name).digest()
byte_array = bytearray(md5)
byte_array[6] = (byte_array[6] & 0x0F) | 0x30
byte_array[8] = (byte_array[8] & 0x3F) | 0x80
return str(uuid.UUID(bytes=bytes(byte_array)))
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