[cgiapp] Serve Algorithmically generated PDF

[jerry]

On 2023-12-07 10:13, Rhesa "perl" Rozendaal wrote:
> I serve pdf files through cgiapp as well. Here's how my runmode looks 
> like:
*** Thanks.  That worked!  Woo hoo!

                 - Jerry



> 
>     sub receipt {
>         my $self = shift;
>         my $pdf = '<the raw pdf data>';
>         $self->header_add( -type => 'application/pdf');
>         return $pdf;
>     }
> 
> rhesa
> 
> On 07/12/2023 18:50, jerry wrote:
>> Hello!
>> 
>>   I have a CGI::App - based application that I have been writing & 
>> expanding since 2006.  At this time,
>> I'm trying to serve PDF data that is algorithmically generated. 
>> Specifically, I use a fillable form, an
>> "FDF" file to create a filled out PDF from a web form.
>> 
>>   When I try to have a run mode directly serve a PDF, the browser 
>> chokes and displays pages of binary garbage.  If, OTOH, I create the 
>> file and then have the user click a separate button to serve it,( not 
>> a run mode, just an HTML link to the actual file ) the PDF renders 
>> normally.
>> 
>> I tried specifying PDF in the header:
>> 
>> $cgi->header( -type => 'application/pdf' )
>> 
>> The browser then shows the same garbage, just prefixed by 
>> "application/pdf".
>> 
>> Here's a snippet of what's seen on the browser:
>> ----------snip----------------
>> Content-Type: application/pdf; charset=ISO-8859-1 %PDF-1.6 %§ãññ 2 0 
>> obj
>> -------- endsnip --------------
>> 
>> Can anybody supply a clue?  I can always get these files in a two-step 
>> process - "generate PDF", and then
>> "get PDF", but that's a little hokey, even if I use javascript to only 
>> create the "get PDF" button when there is actually a PDF to get.
>> 
>>                        - jerry at tr2.com
>> 
>> 
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