#!/usr/bin/perl -Tw

use strict;
use CGI;
use CGI::Carp qw(fatalsToBrowser);
use FileHandle;

$ENV{PATH} = '/usr/sbin/';

my $q = new CGI;
my $mail_prog = '/usr/sbin/sendmail';

# Get the format to be used

my $mail_format;

if($q->param('mail_format')){
    $mail_format = $q->param('mail_format');
    $q->delete('mail_format');
}

# If none specified, use default

else{
    $mail_format = 'default';
}

# Grab headers for mail and delete em so they won't
# show up in the body when using default

my $recipient = $q->param('recipient');
$q->delete('recipient');

my $subject = $q->param('subject');
$q->delete('subject');

my $from = $q->param('from');
$q->delete('from');

my $redirect = $q->param('redirect');
$q->delete('redirect');

open(MAIL,"|$mail_prog -t") || die ("Cannot open sendmail: $!\n");

my @all_params;

if($mail_format eq 'default'){
    foreach($q->param()){
        $q->param_fetch("$_")->[0] =~ s/</&lt;/g;
            push(@all_params,$_);
    }    

    # Invoke the default format for MAIL

    formatDefault(\@all_params,*MAIL{IO});
}
else{
    foreach($q->param()){
        $q->param_fetch("$_")->[0] =~ s/</&lt;/g;
        push(@all_params,$q->param_fetch("$_")->[0]);
    }

    # Invoke the user-specified format
    
    &selectFormat($mail_format,*MAIL{IO},\@all_params);
}

print MAIL "To: $recipient\n";
print MAIL "From: $from\n";
print MAIL "Subject: $subject\n\n";

write(MAIL);

close(MAIL) || die ("Cannot close MAIL: $!\n");

print $q->redirect("http://$redirect");

# The default format

sub formatDefault{
    
    my $params=shift;
    my $fh=shift;
    my $time=localtime();

    format_name $fh "default";
    format_top_name $fh "default_top";

format default_top=
  
------------------------------------------------------------
 Default Format          @>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
                             $time
------------------------------------------------------------
.

format default=  
@*
&formatDefaultParams($params);
.
}

sub formatDefaultParams{
       my $incoming = shift;
       my $outgoing;
     
       foreach(@$incoming){
         $outgoing .= "$_ : ". $q->param("$_") . "\n";
       }
       
    return($outgoing);
}

# The other formats

sub selectFormat{

    my $format = shift;
    my $fh = shift;
    my $params = shift;
    my $time = localtime();
    
    format_name $fh "$format";
    format_top_name $fh "${format}_top";

format example_top=

+----------------------------------------------------------+
| An example format        @>>>>>>>>>>>>>>>>>>>>>>>>>>>>>  |
               $time
+----------------------------------------------------------+
.

format example=
| Something user said:   |  Yada yada blah blah            |
|  @<<<<<<<<<<<<         |        ^<<<<<<<<<<<               |
  $params->[0],                $params->[1]    
+------------------------+        ^<<<<<<<<<<<               |
                    $params->[1]
|  ..and so on           |                                 |
+------------------------+---------------------------------+
.

# Insert own formats here..

}
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