package install::http; # $Id: http.pm 223879 2007-06-19 10:56:09Z pixel $ use IO::Socket; my $sock; sub close() { $sock->close if $sock; } sub getFile { my ($url) = @_; my ($_size, $fh) = get_file_and_size($url) or return; $fh; } sub parse_url { my ($url) = @_; $url =~ m,^(?:http|ftp)://([^/:]+)(?::(\d+))?(/\S*)?$,; } sub get_file_and_size_ { my ($f, $url) = @_; if ($f =~ m!^/!) { my ($host, $port, $_path) = parse_url($url); get_file_and_size("http://$host" . ($port ? ":$port" : '') . $f); } else { get_file_and_size("$url/$f"); } } sub get_file_and_size { local ($^W) = 0; my ($url) = @_; $sock->close if $sock; # can be used for ftp urls (with http proxy) my ($host, $port, $path) = parse_url($url); defined $host or return undef; my $use_http_proxy = $ENV{PROXY} && $ENV{PROXYPORT}; $sock = IO::Socket::INET->new(PeerAddr => $use_http_proxy ? $ENV{PROXY} : $host, PeerPort => $use_http_proxy ? $ENV{PROXYPORT} : $port || 80, Proto => 'tcp', Timeout => 60) or die "can not connect $@"; $sock->autoflush; print $sock join("\015\012" => "GET " . ($use_http_proxy ? $url : $path) . " HTTP/1.0", "Host: $host" . ($port && ":$port"), "User-Agent: DrakX/vivelinuxabaszindozs", "", ""); #- skip until empty line my $now = 0; my ($last, $buf, $tmp); my $read = sub { sysread($sock, $buf, 1) or die ''; $tmp .= $buf }; do { $last = $now; &$read; &$read if $buf =~ /\015/; $now = $buf =~ /\012/; } until $now && $last; if ($tmp =~ /^(.*\b(\d+)\b.*)/ && $2 == 200) { my ($size) = $tmp =~ /^Content-Length:\s*(\d+)\015?$/m; $size, $sock; } else { log::l("HTTP error: $1"); undef; } } 1;