It is possible, as far as i know, to use the unix command "file -bi <filename>" and parse the returned result. It works very fine, but, unfortunatedly ;^)) just on Unix/Linux/*nix. Have read this on the [Zope] list and tested myself.
Em Monday 22 October 2001 16:33, Casey Duncan escreveu: > Problem: Getting Zope to properly detect MIME types of posted files > > The current solution is to try the following methods: > > 1. See if the browser specified a type and if so, use it. > 2. See if the file extension can be recognized and derive a mime-type from > it 3. Do some inspection of the file data (limited to text files at > present) > > Obviously #1 is preferred, and anytime the browser supplies the mime type, > method #2 and #3 are never used. However, I have found a problem with this. > Sometimes, IE reports a mime-type of "application/octet-stream" on files > that is doesn't know better about. > > This specifically happens on WordPerfect files. Now, I am as shocked as you > are that a competitor's file format would not be recognized by IE, however, > difficult as this may be to believe, it appears to be true. > > My proposed solution and change in behavior is to ignore the browser > supplied type if it is "application/octet-stream" and use #2 and perhaps #3 > in that case to delve in further. Obviously this may pose a problem for > applications that rely on the mime-type for files with extensions that > might otherwise indicate something else. But since this behavior seems > restricted to IE (amongst the browsers I tested), I doubt it would cause > harm or breakage. > > Thoughts? > > I will supply the necessary patches if there is no objection. > > /---------------------------------------------------\ > Casey Duncan, Sr. Web Developer > National Legal Aid and Defender Association > [EMAIL PROTECTED] > \---------------------------------------------------/ > > _______________________________________________ > Zope-Dev maillist - [EMAIL PROTECTED] > http://lists.zope.org/mailman/listinfo/zope-dev > ** No cross posts or HTML encoding! ** > (Related lists - > http://lists.zope.org/mailman/listinfo/zope-announce > http://lists.zope.org/mailman/listinfo/zope ) -- Sidnei da Silva X3ng Consultoria e Desenvolvimento Ltda. [EMAIL PROTECTED] _______________________________________________ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
