What is the MIME type for TTF files?

Question

I can't find correct MIME type for TrueType fonts. I need it because I'm using File Uploading Class (CodeIgniter) to upload files, and I want to allow only TTF to be uploaded. Tried this:

'ttf'   =>  'font/ttf' 'ttf'   =>  'font/truetype' 

With no success.

Any ideas ?

Answer 1

TTF font files has the following MIME type: font/ttf.

Before February 2017:

TTF does not have a MIME type assigned. You'll have to use the more general application/octet-stream, which is used to indicate binary data with no assigned MIME type.

Answer 2

I've seen font/ttf and application/x-font-ttf used as MIME types for TTF. But if your files are being uploaded as application/octet-stream and you don't want to simply trust the .ttf file extension (or if you want to handle files without an extension), you'll have to check the file content to see whether they're TTF files. The UNIX magic file says that a TTF will begin with the 5 bytes

00 01 00 00 00 

(That's 00 01 00 00 from the GDEF table version and the leading 00 from the GlyphClassDef table offset.)

If your file begins with those 5 bytes, it's probably a TTF.