StackOverflow2013

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8870043
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2012-01-15T13:38:49.650
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2012-01-15T13:38:49.650
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2017-05-23T11:55:49.670
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text
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<p>I do not have the Flash app that creates the PDF in the request body, but I verified it against the output of a static resource with the same response headers. <code>Content-Disposition</code> is the crucial one. This was tested in Konqueror with the Okular KPart and works, I fully expect other browsers/plug-in combinations to also work.</p> <pre><code>#!/usr/bin/perl -T # ↑↑↑↑↑ # on Windows you can just write … #!perl -T # … instead, using the Unix shebang however does no harm use strict; use warnings FATAL => 'all'; use CGI qw(); use IO::File qw(); # delete @ENV{qw(BASH_ENV CDPATH ENV IFS PATH)}; # ↑↑↑↑↑ # Cleaning path is required for taint-checked programs # that want to run other programs. It does not affect anything here, # so I commented it out. my $c = CGI->new; # untaint data coming from outside my ($name) = defined $c->url_param('name') ? $c->url_param('name') =~ /\A ([a-zA-Z_-]{1,40}\.pdf) \z/msx : (); my ($method) = defined $c->url_param('method') ? $c->url_param('method') =~ /\A (attachment|inline) \z/msx : (); die 'invalid parameters' unless $name or $method; # FIXME: untaint blindly because I don't know how to validate PDF my ($pdf) = $c->param('POSTDATA') =~ /(.*)/msx; STDOUT->binmode(':raw'); STDOUT->print($c->header( -Content_Type => 'application/pdf', -Content_Length => length($pdf), -Content_Disposition => qq($method; filename="$name"), )); STDOUT->print($pdf); </code></pre> <p>Be aware that you are <a href="https://stackoverflow.com/questions/7920076/how-can-i-get-both-the-get-and-post-request-params-on-a-post-request">mixing GET and POST parameters</a>. Learn how to write secure CGI programs.</p>
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1. POHow to Render a PDF using Perl
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