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path: root/sitesummary-collector.cgi
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#!/usr/bin/perl -wT
#
# Receive HTTP post request with a file upload and process it as a
# sitesummary submission.
#
# Handle three different submission methods
#  - mime-encoded upload with sitesummary report in compressed form

use strict;
use CGI;

my $basedir   = "/var/lib/sitesummary";

$ENV{PATH}="";

print "Content-Type: text/plain\n\n";
if (exists $ENV{REQUEST_METHOD} && $ENV{REQUEST_METHOD} ne "POST")
{
    print "Sitesummary  HTTP-POST submission URL\n";
    print "Visit http://debian-edu.alioth.debian.org/ for more info.\n";
    exit 0;
}

# Extract post data, handle both simple and multipart way
my @entry;
if (exists $ENV{CONTENT_TYPE} && $ENV{CONTENT_TYPE} =~ m%multipart/form-data%){
    my $query = new CGI;
    my $fh = $query->upload("sitesummary");
    if ($fh) {
        my $filename = $query->param("sitesummary");
        my $type = $query->uploadInfo($filename)->{'Content-Type'};
        if ("application/octet-stream" ne $type) {
            print "Only 'application/octet-stream' is supported (not $type)!";
            die;
        } else {
            my $encoding = $query->uploadInfo($filename)->{'Content-Encoding'};
            if ("x-gzip" eq $encoding || "gzip" eq $encoding) {
                # Uncompress
                print "Compressed ($encoding) encoding detected.\n";
                my $data;
                # $data = join("", <$fh>);
                my $len = (stat($fh))[7];
                read $fh, $data, $len;
                $data = Compress::Zlib::memGunzip($data);
                @entry = ($data);
            } else { # Pass throught
                print "Identity encoding detected.\n";
                @entry = <$fh>;
            }
        }
    } else {
        print $query->cgi_error;
        die;
    }
} else {
    print <<EOF;
Unsupported submission method.
EOF
}

my $ip "127.0.0.1";
my $timestamp = "2006-08-25T11:30:30";

open(SITESUMMARY, "$basedir/tmpstorage/storage-$ip-$timestamp") or die "Unable to write to storage";
print SITESUMMARY @entry;
close SITESUMMARY;

print "Thanks for your submission to site-summary!\n";
print "SITESUMMARY HTTP-POST OK\n";

exit 0;