Tien un límite de subida, pero lo he puesto mas cero que la inflación de mi país.
Código PHP:
#!/usr/bin/perl
print "Content-Type: text/html\n\n";
print "000 - CGI funciona en este servidor";
$max_upload = 100000000; # Set this to whatever you feel suitable for you.
$tmp_dir="tempfiles"; # If you change this you need to change it in filestatus.php too.
# Also, on *nix systems you may have to set the folder permissions
# to 777 in order to get this script to work properly.
#############
# /SETTINGS #
#############
use CGI;
use Fcntl qw(:DEFAULT :flock);
use File::Temp qw/ tempfile tempdir /;
#use Carp;
@qstring=split(/&/,$ENV{'QUERY_STRING'});
@p1 = split(/=/,$qstring[0]);
$sessionid = $p1[1];
$sessionid =~ s/[^a-zA-Z0-9]//g; # sanitized as suggested by Terrence Johnson.
# don't change the next few lines unless you have a very good reason to.
$post_data_file = "$tmp_dir/$sessionid"."_postdata";
$monitor_file = "$tmp_dir/$sessionid"."_flength";
$error_file = "$tmp_dir/$sessionid"."_err";
$signal_file = "$tmp_dir/$sessionid"."_signal";
$qstring_file = "$tmp_dir/$sessionid"."_qstring";
#require("./header.cgi");
#carp "$post_data_file and $monitor_file";
$content_type = $ENV{'CONTENT_TYPE'};
$len = $ENV{'CONTENT_LENGTH'};
$bRead=0;
$|=1;
sub bye_bye {
$mes = shift;
# Try to open error file to output message too
$err_ok = open (ERRFILE,">", $error_file);
if($err_ok) {
print ERRFILE $mes; #write message to file, so can be read from fileprogress.php
close (ERRFILE);
}
exit;
}
# see if we are within the allowed limit.
if($len > $max_upload)
{
close (STDIN);
bye_bye("The maximum upload size has been exceeded");
}
#
# The thing to watch out for is file locking. Only
# one thread may open a file for writing at any given time.
#
if (-e "$post_data_file") {
unlink("$post_data_file");
}
if (-e "$monitor_file") {
unlink("$monitor_file");
}
if (-e "$error_file") {
unlink("$error_file");
}
sysopen(FH, $monitor_file, O_RDWR | O_CREAT)
or &bye_bye ("cannot open numfile: $!");
# autoflush FH
$ofh = select(FH); $| = 1; select ($ofh);
flock(FH, LOCK_EX)
or &bye_bye ("Cannot write-lock numfile: $!");
seek(FH, 0, 0)
or &bye_bye ("cannot rewind numfile : $!");
print FH $len;
close(FH);
sleep(1);
open(TMP,">","$post_data_file") or &bye_bye ("cannot open temp file");
binmode TMP, ':raw';
#
# read and store the raw post data on a temporary file so that we can
# pass it though to a CGI instance later on.
#
my $i=0;
$ofh = select(TMP); $| = 1; select ($ofh);
while (read (STDIN ,$LINE, 4096) && $bRead < $len )
{
$bRead += length $LINE;
select(undef, undef, undef,0.35); # sleep for 0.35 of a second.
# Many thanx to Patrick Knoell who came up with the optimized value for
# the duration of the sleep
$i++;
print TMP $LINE;
}
close (TMP);
#
# We don't want to decode the post data ourselves. That's like
# reinventing the wheel. If we handle the post data with the perl
# CGI module that means the PHP script does not get access to the
# files, but there is a way around this.
#
# We can ask the CGI module to save the files, then we can pass
# these filenames to the PHP script. In other words instead of
# giving the raw post data (which contains the 'bodies' of the
# files), we just send a list of file names.
#
open(STDIN,"$post_data_file") or &bye_bye("cannot open temp file");
my $cg = new CGI();
my $qstring="";
my %vars = $cg->Vars;
my $j=0;
while(($key,$value) = each %vars)
{
$file_upload = $cg->param($key);
if(defined $value && $value ne '')
{
my $fh = $cg->upload($key);
if(defined $fh)
{
#carp $fh;
($tmp_fh, $tmp_filename) = tempfile();
while(<$fh>) {
print $tmp_fh $_;
}
close($tmp_fh);
$fsize =(-s $fh);
$fh =~ s/([^a-zA-Z0-9_-.])/uc sprintf("%%%02x",ord($1))/eg;
$tmp_filename =~ s/([^a-zA-Z0-9_-.])/uc sprintf("%%%02x",ord($1))/eg;
$qstring .= "file[name][$j]=$fh&file[size][$j]=$fsize&";
$qstring .= "file[tmp_name][$j]=$tmp_filename&";
$j++;
}
else
{
$value =~ s/([^a-zA-Z0-9_-.])/uc sprintf("%%%02x",ord($1))/eg;
$qstring .= "$key=$value&" ;
}
}
}
open (SIGNAL,">", $signal_file) or &bye_bye ("cannot open signal file");
print SIGNAL "\n";
close (SIGNAL);
open (QSTR,">", "$qstring_file") or &bye_bye ("cannot open output file");
print QSTR $qstring;
close (QSTR);
print "Content-type: text/html\r\n";
print "<html></html>";
