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File name : popcon-upload
Content :
#!/usr/bin/perl -w
# Written by Bill Allombert for the Debian popularity-contest project.
# This file is placed in the public domain.

use strict;
use IO::Socket::IP;

my %opts;

# Not using Getopt::Std to avoid perl-modules dependency
while($#ARGV >= 0 && ($_ = $ARGV[0]) =~ /^-/) {
        shift @ARGV;
        if (/^-C$/) { $opts{'C'} = 1; next }
        if (/^-d$/) { $opts{'d'} = 1; next }
        if (/^-u$/) { $opts{'u'} = shift; next }
        if (/^-f$/) { $opts{'f'} = shift; next }
        &usage("unknown option");
	exit 1;
}

sub usage {
    print "popcon-upload: error: @_\n" if ($#_ >= 0);
    print <<"EOF";
Usage: $0 [-Cd] [-u <url>] [-f <file>]
  -C        send submissions in clear text, and not compressed
  -d        enable debugging
  -u <url>  submit to the given URL (default popcon.debian.org)
  -f <file> read popcon report from file (default stdin)
EOF
}

my $compressed = 1; # Submit reports in a compressed form?

my ($submiturl)  = $opts{'u'} || "http://popcon.debian.org/cgi-bin/popcon.cgi";
my ($file)  = $opts{'f'} || "-";
$compressed = 0 if ($opts{'C'});

my ($host) = $submiturl =~ m%http://([^/]+)%;

print "Unable to parse url\n" if ($opts{'d'} && ! $host);

# Configure the proxy:
my ($http_proxy,$proxy,$port,$remote);

$http_proxy=$ENV{'http_proxy'};
if (defined($http_proxy))
{
  $http_proxy =~ m{http://([^:]*)(?::([0-9]+))?}
        or die ("unrecognized http_proxy");
  $proxy=$1; $port=$2;
}

$proxy=$host unless (defined($proxy));
$port=80 unless (defined($port));

# Compress the report:
my ($str,$len);
my $encoding;
if ($compressed) {
    open FILE, "gzip -c $file |" or die "gzip -c $file";
    $encoding = "x-gzip";
} else {
    open FILE, "< $file" or die "reading from '$file'";
    $encoding = "identity";
}
$str .= $_ while(<FILE>);
close(FILE);
$len = length($str);

# 30 second timeout on http connections
$SIG{ALRM} = sub { die "timeout in popcon-upload\n" };
alarm(30);

# Connect to server
$remote = IO::Socket::IP->new(Proto => "tcp", PeerAddr => $proxy,
                                              PeerPort => $port);
unless ($remote) { die "cannot connect to $proxy:$port" }

my $boundary = "----------ThIs_Is_tHe_bouNdaRY_\$";

#Content-Length: $len
# text/plain; charset=utf-8
my $ORS = "\r\n"; # Use DOS line endings to make HTTP happy
my $form;
$form .= "--${boundary}$ORS";
$form .= "Content-Disposition: form-data; name=\"popcondata\"; filename=\"popcon-data\"$ORS";
$form .= "Content-Encoding: $encoding$ORS";
$form .= "Content-Type: application/octet-stream$ORS$ORS";
$form .= "$str$ORS";
$form .= "--${boundary}--$ORS";
$form .= "$ORS";

my $formlen = length($form);

#Send data
print $remote "POST $submiturl HTTP/1.1\r\n";
print $remote "User-Agent: popcon-upload\r\n";
print $remote "Host: $host\r\n";
print $remote "Content-Type: multipart/form-data; boundary=$boundary\r\n";
print $remote "Content-Length: $formlen\r\n";
print $remote "\r\n";
print $remote "$form";

#Get answer
my($answer)="";
while(<$remote>)
{
  $answer.=$_;
  m/Thanks/ and last;
}
close ($remote);
#Check answer
my $status = ($answer =~ m/Thanks/) ? 0 : 1;
print "Failed to upload, answer '$answer'\n" if $status && $opts{'d'};
exit $status;