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Man Pages


Manual Reference Pages  -  CATALYST::REQUEST::UPLOAD (3)

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NAME

Catalyst::Request::Upload - handles file upload requests

CONTENTS

SYNOPSIS



    my $upload = $c->req->upload(field);

    $upload->basename;
    $upload->copy_to;
    $upload->fh;
    $upload->decoded_fh
    $upload->filename;
    $upload->headers;
    $upload->link_to;
    $upload->size;
    $upload->slurp;
    $upload->decoded_slurp;
    $upload->tempname;
    $upload->type;
    $upload->charset;



To specify where Catalyst should put the temporary files, set the ’uploadtmp’ option in the Catalyst config. If unset, Catalyst will use the system temp dir.



    __PACKAGE__->config( uploadtmp => /path/to/tmpdir );



See also Catalyst.

DESCRIPTION

This class provides accessors and methods to handle client upload requests.

METHODS

CW$upload->new

Simple constructor.

CW$upload->copy_to

Copies the temporary file using File::Copy. Returns true for success, false for failure.



     $upload->copy_to(/path/to/target);



Please note the filename used for the copy target is the ’tempname’ that is the actual filename on the filesystem, NOT the ’filename’ that was part of the upload headers. This might seem counter intuitive but at this point this behavior is so established that its not something we can change.

You can always create your own copy routine that munges the target path as you wish.

CW$upload->is_utf8_encoded

Returns true of the upload defines a character set at that value is ’UTF-8’. This does not try to inspect your upload and make any guesses if the Content Type charset is undefined.

CW$upload->fh

Opens a temporary file (see tempname below) and returns an IO::File handle.

This is a filehandle that is opened with no additional IO Layers.

CW$upload->decoded_fh(?$encoding)

Returns a filehandle that has binmode set to UTF-8 if a UTF-8 character set is found. This also accepts an override encoding value that you can use to force a particular PerlIO layer. If neither are found the filehandle is set to :raw.

This is useful if you are pulling the file into code and inspecting bits and maybe then sending those bits back as the response. (Please note this is not a suitable filehandle to set in the body; use fh if you are doing that).

Please note that using this method sets the underlying filehandle IO layer so once you use this method if you go back and use the fh method you still get the IO layer applied.

CW$upload->filename

Returns the client-supplied filename.

CW$upload->headers

Returns an HTTP::Headers object for the request.

CW$upload->link_to

Creates a hard link to the temporary file. Returns true for success, false for failure.



    $upload->link_to(/path/to/target);



CW$upload->size

Returns the size of the uploaded file in bytes.

CW$upload->slurp(?$encoding)

Optionally accepts an argument to define an IO Layer (which is applied to the filehandle via binmode; if no layer is defined the default is set to :raw.

Returns a scalar containing the contents of the temporary file.

Note that this will cause the filehandle pointed to by $upload->fh to be reset to the start of the file using seek and the file handle to be put into whatever encoding mode is applied.

CW$upload->decoded_slurp(?$encoding)

Works just like slurp except we use decoded_fh instead of fh to open a filehandle to slurp. This means if your upload charset is UTF8 we binmode the filehandle to that encoding.

CW$upload->basename

Returns basename for filename. This filters the name through a regexp basename =~ s|[^\w\.-]+|_|g to make it safe for filesystems that don’t like advanced characters. This will of course filter UTF8 characters. If you need the exact basename unfiltered use raw_basename.

CW$upload->raw_basename

Just like basename but without filtering the filename for characters that don’t always write to a filesystem.

CW$upload->tempname

Returns the path to the temporary file.

CW$upload->type

Returns the client-supplied Content-Type.

CW$upload->charset

The character set information part of the content type, if any. Useful if you need to figure out any encodings on the file upload.

    meta

Provided by Moose

AUTHORS

Catalyst Contributors, see Catalyst.pm

COPYRIGHT

This library is free software. You can redistribute it and/or modify it under the same terms as Perl itself.
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perl v5.20.3 CATALYST::REQUEST::UPLOAD (3) 2015-07-28

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