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ASP File Validator (No-DLL) - See if a file is true to its extension.
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Email
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| Submitted on: |
10/16/2006 1:24:47 AM |
| By: |
James Dougherty
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| Level: |
Intermediate |
| User Rating: |
By 4 Users |
| Compatibility: |
ASP (Active Server Pages), VbScript (browser/client side)
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| Views: |
7120 |
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This is a non-dll based solution for validating file types. This was going to be part of an advanced upload system I was working on, but abandoned as I am going to take another approach to it. This class will let you know if the file being uploaded to the server is what it states it is. In other words, if you only allow jpg files and someone renames an exe to jpg it will catch it. It currently supports the following formats: iff, psp, bmp, tga, dds, jpg, jp2, pcx, gif, tif, avi, wav, mp3, ogg, exe, dll, ocx, zip, and rar. Please note that I do not think there is anything notably different about the exe, dll, and ocx headers to set them apart. I hope this will be useful to someone and someone can take advantage of it.
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By using this code, you agree to the following terms...
- You may use
this code in your own programs (and may compile it into a program and distribute it in compiled format for languages that allow it) freely and with no charge.
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Other 3 submission(s) by this author
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Other User Comments
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 3/16/2007 7:31:32 AM: Mark
Great idea! - 5 Globals
(If this comment was disrespectful, please report it.)
| 12/11/2011 3:49:56 AM: Dave Vroman
Excellent approach. This is what the system needs to do too.
(If this comment was disrespectful, please report it.)
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