mirror of
https://wiilab.wiimart.org/wiimart/SWF-Checker
synced 2025-09-03 20:11:11 +02:00
116 lines
3.6 KiB
Python
116 lines
3.6 KiB
Python
import os
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import zlib
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from sys import version, exit
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import platform
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platf = platform.system()
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if platf == "Windows":
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os.system("title SWF Checker v2.3")
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os.system("clear")
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else:
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os.system("clear")
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print(f"SWF Version Checker v2.3\nPython {version}")
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try:
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swf = input("SWF Filename: ").strip()
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except KeyboardInterrupt:
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print("\nExiting...")
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exit()
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def CheckSWF(swf):
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try:
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if not os.path.exists(swf):
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print("Error: File not found. Please check the filename and try again.")
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return None, None, None
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with open(swf, "rb") as f:
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obj = f.read()
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# decompress (CWS, zlib)
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if obj[:3] == b"CWS":
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print("SWF is compressed (zlib, CWS head), uncompressing...")
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obj = b"FWS" + obj[3:8] + zlib.decompress(obj[8:])
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flashver = obj[3]
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result_isas3 = False
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fileAttrIdx = obj.find(b'\x45')
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# looks for FileAttributes, (actionScript3: false/true)
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if fileAttrIdx != -1:
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flags_byte = obj[fileAttrIdx + 2]
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if flags_byte in [0x0, 0x1]:
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result_isas3 = False
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else:
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result_isas3 = (flags_byte & 0x08) != 0
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# fallback method (looks for doabc (as3 only))
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else:
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doabc_IDX = obj.find(b'\x52')
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if doabc_IDX != -1:
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doabc_len = int.from_bytes(obj[doabc_IDX+1:doabc_IDX+4], "little")
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result_isas3 = (doabc_len > 10)
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else:
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result_isas3 = False
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# looks for doaction (as2/1 only)
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doact_idx = obj.find(b'\x0C')
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if doact_idx != -1 and not result_isas3:
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result_isas3 = False
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if flashver >= 9:
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isas3 = result_isas3 # AS3 support is based on external result
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else:
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isas3 = False # AS3 does not exist before Flash Player 9
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asver = "ActionScript 3.0 (incompatible)" if isas3 else "ActionScript 1.0/2.0 (compatible)"
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return flashver, asver, obj
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except KeyboardInterrupt:
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print("\nExiting...")
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exit()
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except Exception as e:
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print(f"exception occurred!\n{e}")
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return None, None, None
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def GetStageWH(obj):
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rectS = 8
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nbits = (obj[rectS] >> 3) & 0x1F
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bOffset = rectS * 8 + 5
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def ReadBit(offset, bits_Num):
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ByteOffs = offset // 8
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BShift = offset % 8
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val = int.from_bytes(obj[ByteOffs:ByteOffs + 4], "big")
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return (val >> (32 - bits_Num - BShift)) & ((1 << bits_Num) - 1)
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XMin = ReadBit(bOffset, nbits)
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XMax = ReadBit(bOffset + nbits, nbits)
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YMin = ReadBit(bOffset + 2 * nbits, nbits)
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YMax = ReadBit(bOffset + 3 * nbits, nbits)
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w = round((XMax - XMin) / 20, 2)
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h = round((YMax - YMin) / 20, 2)
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return w, h # w=width, h=height, px
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flashver, asver, SWFDAT = CheckSWF(swf)
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if flashver is not None:
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w, h = GetStageWH(SWFDAT)
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print(f"SWF Dimensions: {w}x{h} pixels")
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if flashver > 8:
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print(f"Flash version: {flashver}, this version MAY NOT be compatible with the Wii.")
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else:
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print(f"Flash version: {flashver}, this version is compatible with the Wii.")
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print(f"ActionScript version: {asver}")
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if w > 700 and h > 500:
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print("WARNING: The given SWF might overlap/clip on the Wii.")
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else:
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print("The SWF should NOT overlap and/or clip on the Wii.")
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if platf == "Windows":
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os.system("pause")
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exit()
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else:
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os.system("/bin/bash -c 'read -s -n 1 -p \"Press any key to exit.\"'")
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exit() |