Re: how to determine the actual file format of an image file?
This WebDNA talk-list message is from 2002
It keeps the original formatting.
numero = 44561
interpreted = N
texte = on 10/30/02 11:22 AM, dale's stuff at stuff@colony.net so noted...> does anyone know how to determine the actual file format of an image file > that has been uploaded? > > I do not wish to rely just on the file extension as supplied by the user.I ignore the extension and look at the MIME type as supplied by the browser during the processing of the upload. [text]ca_fileType=[middle startafter=Content-Type: ][name][/middle][/text][if ([ca_fileType]^/gif)][then] [text]ca_fileExt=gif[/text][/then] [else][if ([ca_fileType]^/jpeg)][then] [text]ca_fileExt=jpeg[/text][/then] [else][if ([ca_fileType]^/msword)][then] [text]ca_fileExt=doc[/text][/then] [else][if ([ca_fileType]^/plain)|([ca_fileType]^/x-usenet-faq)][then] [text]ca_fileExt=txt[/text][/then] [else][if ([ca_fileType]^/rtf)|([ca_fileType]^/x-rtf)|([ca_fileType]^/richt ext)][then] [text]ca_fileExt=rtf[/text][/then] [else][if ([ca_fileType]^/mspowerpoint)|([ca_fileType]^/powerpoint)|([ca_file Type]^/vnd.ms-powerpoint)|([ca_fileType]^/x-mspowerpoint)][then] [text]ca_fileExt=ppt[/text][/then] [else][if ([ca_fileType]^/pdf)][then] [text]ca_fileExt=pdf[/text][/then] [else][if ([ca_fileType]^/x-compressed)|([ca_fileType]^/x-zip-compressed)|([c a_fileType]^/zip)|([ca_fileType]^/x-zip)][then] [text]ca_fileExt=zip[/text][/then] [else][if ([ca_fileType]^/x-sit)|([ca_fileType]^/x-stuffit)][then] [text]ca_fileExt=sit[/text][/then] [else][text multi=T]ca_linkedError=T&ca_localErr=T&ca_linkedError.[ca_linkedNum]=Linked file is not a supported type[/text][/else][/if][/else][/if][/else][/if][/else][/if][/else][/if][/else][/if] [/else][/if][/else][/if][/else][/if] Rob Marquardt Designer/Resident Wirehead Toast Design800 Washington Avenue North Minneapolis MN 55401 612.330.9863 v 612.321.9424 f www.toastdesign.com ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list
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Associated Messages, from the most recent to the oldest:
on 10/30/02 11:22 AM, dale's stuff at stuff@colony.net so noted...> does anyone know how to determine the actual file format of an image file > that has been uploaded? > > I do not wish to rely just on the file extension as supplied by the user.I ignore the extension and look at the MIME type as supplied by the browser during the processing of the upload. [text]ca_fileType=[middle startafter=Content-Type: ][name][/middle][/text][if ([ca_fileType]^/gif)][then] [text]ca_fileExt=gif[/text][/then] [else][if ([ca_fileType]^/jpeg)][then] [text]ca_fileExt=jpeg[/text][/then] [else][if ([ca_fileType]^/msword)][then] [text]ca_fileExt=doc[/text][/then] [else][if ([ca_fileType]^/plain)|([ca_fileType]^/x-usenet-faq)][then] [text]ca_fileExt=txt[/text][/then] [else][if ([ca_fileType]^/rtf)|([ca_fileType]^/x-rtf)|([ca_fileType]^/richt ext)][then] [text]ca_fileExt=rtf[/text][/then] [else][if ([ca_fileType]^/mspowerpoint)|([ca_fileType]^/powerpoint)|([ca_file Type]^/vnd.ms-powerpoint)|([ca_fileType]^/x-mspowerpoint)][then] [text]ca_fileExt=ppt[/text][/then] [else][if ([ca_fileType]^/pdf)][then] [text]ca_fileExt=pdf[/text][/then] [else][if ([ca_fileType]^/x-compressed)|([ca_fileType]^/x-zip-compressed)|([c a_fileType]^/zip)|([ca_fileType]^/x-zip)][then] [text]ca_fileExt=zip[/text][/then] [else][if ([ca_fileType]^/x-sit)|([ca_fileType]^/x-stuffit)][then] [text]ca_fileExt=sit[/text][/then] [else][text multi=T]ca_linkedError=T&ca_localErr=T&ca_linkedError.[ca_linkedNum]=Linked file is not a supported type[/text][/else][/if][/else][/if][/else][/if][/else][/if][/else][/if][/else][/if] [/else][/if][/else][/if][/else][/if] Rob Marquardt Designer/Resident Wirehead Toast Design800 Washington Avenue North Minneapolis MN 55401 612.330.9863 v 612.321.9424 f www.toastdesign.com ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://search.smithmicro.com/
Rob Marquardt
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