1 files changed, 59 insertions, 0 deletions
diff --git a/perl-install/install/http.pm b/perl-install/install/http.pm
new file mode 100644
index 000000000..75d026d0d
--- /dev/null
+++ b/perl-install/install/http.pm
@@ -0,0 +1,59 @@
+package install::http; # $Id$
+
+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;
+    $fh;
+}
+sub get_file_and_size {
+    local ($^W) = 0;
+
+    my ($url) = @_;
+    $sock->close if $sock;
+
+    # can be used for ftp urls (with http proxy)
+    my ($host, $port, $path) = $url =~ m,^(?:http|ftp)://([^/:]+)(?::(\d+))?(/\S*)?$,;
+    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;