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Manual Reference Pages  -  HTTP::BODY (3)

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HTTP::Body - HTTP Body Parser



    use HTTP::Body;
    sub handler : method {
        my ( $class, $r ) = @_;

        my $content_type   = $r->headers_in->get(Content-Type);
        my $content_length = $r->headers_in->get(Content-Length);
        my $body   = HTTP::Body->new( $content_type, $content_length );
        my $length = $content_length;

        while ( $length ) {

            $r->read( my $buffer, ( $length < 8192 ) ? $length : 8192 );

            $length -= length($buffer);
        my $uploads     = $body->upload;     # hashref
        my $params      = $body->param;      # hashref
        my $param_order = $body->param_order # arrayref
        my $body        = $body->body;       # IO::Handle


HTTP::Body parses chunks of HTTP POST data and supports application/octet-stream, application/json, application/x-www-form-urlencoded, and multipart/form-data.

Chunked bodies are supported by not passing a length value to new().

It is currently used by Catalyst to parse POST bodies.


When parsing multipart bodies, temporary files are created to store any uploaded files. You must delete these temporary files yourself after processing them, or set $body->cleanup(1) to automatically delete them at DESTROY-time.


new Constructor. Takes content type and content length as parameters, returns a HTTP::Body object.
add Add string to internal buffer. Will call spin unless done. returns length before adding self.
body accessor for the body.
chunked Returns 1 if the request is chunked.
cleanup Set to 1 to enable automatic deletion of temporary files at DESTROY-time.
content_length Returns the content-length for the body data if known. Returns -1 if the request is chunked.
content_type Returns the content-type of the body data.
init return self.
length Returns the total length of data we expect to read if known. In the case of a chunked request, returns the amount of data read so far.
trailing_headers If a chunked request body had trailing headers, trailing_headers will return an HTTP::Headers object populated with those headers.
spin Abstract method to spin the io handle.
state Returns the current state of the parser.
param Get/set body parameters.
upload Get/set file uploads.
part_data Just like ’param’ but gives you a hash of the full data associated with the part in a multipart type POST/PUT. Example:

      data => "test",
      done => 1,
      headers => {
        "Content-Disposition" => "form-data; name=\"arg2\"",
        "Content-Type" => "text/plain"
      name => "arg2",
      size => 4

tmpdir Specify a different path for temporary files. Defaults to the system temporary path.
param_order Returns the array ref of the param keys in the order how they appeared on the body


Since its original creation this module has been taken over by the Catalyst development team. If you want to contribute patches, these will be your primary contact points:


    Join #catalyst-dev on

Mailing Lists:


Christian Hansen,

Sebastian Riedel,

Andy Grundman,


Simon Elliott

Kent Fredric <>

Christian Walde

Torsten Raudssus <>


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 HTTP::BODY (3) 2015-01-29

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