question on multipart forms and %fdat

[Keith Watanabe]

i think this issue was discussed in the past, but i really didn't see a resolution in the mail archives so i might be covering grounds again. still i want to work through this problem with anyone else who encountered it and see what they did to solve it (if at all possible).

Here's the issue. Currently i have a form where i'm using the method="post" and enctype="multipart/form-data" part of a form for uploading an image file. when I use post in the form, my %fdat variable produces something like (in going through my error logs):


[Mon Jan 6 22:17:49 2003] [warn] [7054]ERR: 32: Warning in Perl code: q : name is "upload" at /home/jadmin/projects/joshi/perl/lib/Handler/Controller.pm line 25.
[Mon Jan 6 22:17:49 2003] [warn] [7054]ERR: 32: Warning in Perl code: q : filename is "fl.jpg"
Content-Type: image/jpeg

ÿØÿà at /home/jadmin/projects/joshi/perl/lib/Handler/Controller.pm line 25.

(Note: I'm using a model-view-controller type of design pattern, so I'm passing in %fdat and printing out warning messages in my controller module to examine the contents)

Here, upload is supposed to be the key value and I'm assuming that the funky looking characters are the binary file that corresponds to "upload". filename apparently is the name of the file i'm trying to upload.

Now, if I remove the method="post" portion in the form, I don't see these warnings, instead seeing the normal key/value pairs from the form (I have a few more fields in my form that I'm using to store information of the file into a database). However, by removing the "post" part, I can't get the form to upload the image file properly, so I assume that the post part is necessary.

Anyway, what I'm wondering is how/why having the "post" portion mangles the variables in my form when i use embperl in a multipart type of form. I tried this through a cgi script which wrote the file fine. When I say, do a "use CGI" and attempt to retrieve the form values through my CGI object, my values are still mangled in the embperl page. Also i tried hacking the Embperl.pm module where I attempted to print the contents from the @ffld array into my log file, but the @ffld array was of size 0.

Currently, my setup is Apache 1.3.26 on a Redhat 8.0 linux box, using Embperl 1.3.5 and CGI.pm v 2.86, mod perl 1.26 and perl 5.8. i tried varying the embperl version using 1.3.4 and 1.3.1, but the same results occurred there.

thanks!

-keith

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