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Detect Installshield compiled scripts as text files #10

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Detect Installshield compiled scripts as text files #10

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15 changes: 15 additions & 0 deletions SabreTools.Serialization/Wrappers/WrapperFactory.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -639,6 +639,21 @@ public static WrapperType GetFileType(byte[]? magic, string? extension)
if (magic.StartsWith(new byte?[] { 0x61, 0x4C, 0x75, 0x5A }))
return WrapperType.Textfile;

// InstallShield Compiled Installation Script (1993)
// http://justsolve.archiveteam.org/wiki/InstallShield_INS
if (magic.StartsWith(new byte?[] { 0xff, 0xff, 0x0c, 0x00, null, 0x00, 0x34, 0x12 }))
return WrapperType.Textfile;

// InstallShield Compiled Installation Script (1995)
// http://justsolve.archiveteam.org/wiki/InstallShield_INS
if (magic.StartsWith(new byte?[] { 0xb8, 0xc9, 0x0c, 0x00, null, 0x00, 0x34, 0x12 }))
return WrapperType.Textfile;

// InstallShield Compiled Installation Script (1997)
// http://justsolve.archiveteam.org/wiki/InstallShield_INS
if (magic.StartsWith(new byte?[] { 0xb8, 0xc9, 0x0c, 0x00, null, 0x00, 0x01, 0x00 }))
return WrapperType.Textfile;

// Microsoft Office File (old)
if (magic.StartsWith(new byte?[] { 0xd0, 0xcf, 0x11, 0xe0, 0xa1, 0xb1, 0x1a, 0xe1 }))
return WrapperType.Textfile;
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