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#!/usr/bin/perl ### WS radio proxy v0.1 ### By Kelly "STrRedWolf" Price ### Code! $ourver="0.1 beta - downsampling"; $d=$hard=$help=$log=$v=0; #debug $log=$v=1; # Requirements use Socket; $|=1; # Error subroutine. If we run into trouble, we do it here. sub err { my ($e,$r)=@_; # Quickly suck in some junk just in case... # BUG: It just delays netscape somehow. # while(<>) {;} print STDERR "$$: $e -- $r\n" if($v); print "HTTP/1.0 $e\r\n"; print "Content-Type: text/html\r\n"; print "Connection: close\r\n\r\n"; print "<html><head><title>$e</title></head><body>\r\n"; print "<h1>$e</h1><BR><P>"; print "WSProxy cannot fulfill your request -- $r<P>$req<P>\n"; print "<hr><br><i>WSProxy version $ourver<br></I>\r\n"; exit 0; } # Open up a logfile. if($log) { $log='' unless(open(LOG,">/tmp/wsproxy.$$")); } # Read the first line of the request and pharze it. $_=$req=<STDIN>; tr/\n\r//d; exit 0 if(/^$/); m#^(GET|POST|HEAD) http://([^/]+)(/.*) (HTTP\S+)$#i; $type=$1; $site=$2; $page=$3; $ver=$4; print LOG "> $req" if($log); $url=$site.$page; print STDERR "$$: pulling $url\n" if($v); if($site =~ /^([^:]+):(\d+)$/) { $remote=$1; $port=$2; } else { $remote=$site; $port=80; } # Call out and strangle someone $iaddr = inet_aton($remote) ; # print STDERR "$$: $remote -> $iaddr\n" if($v); &err("400 Bad Request","Site $remote can't be resolved ($!).") unless($iaddr); $paddr = sockaddr_in($port, $iaddr); $proto = getprotobyname('tcp'); socket(SOCK, PF_INET, SOCK_STREAM, $proto) || &err("500 Internal Serv +er Error","Something went wrong trying to connect to $remote ($!)."); connect(SOCK, $paddr) || &err("500 Internal Server Error","Cannot c +onnect to $remote ($!)"); $old=select(SOCK); $|=1; select($old); print SOCK "$type $page $ver\r\n"; # Xmission's webserver is funky $lo=0; while(<STDIN>) { $ok=1; $l=$_; tr/\r\n//d; $lo=2 if(/^$/); $cont=$1 if(/^Content-[lL]ength: (\d+)$/); $nocache++ if(/^Pragma: no-cache/); $ok=0 if(/^Proxy-Connection:/); print SOCK "Connection: close$l" if($lo); print SOCK "$l" if($ok); print STDERR "$$ >>> $l" if($ok && $d); print LOG "> $l" if($ok && $log); last if($lo); } if($cont) { while($cont) { $in=read STDIN, $buf, ($cont < 256 ? $cont : 256 ); $cont -= $in; print SOCK $buf; print STDERR "$$ >>> $buf" if($d); print LOG "> $buf\n" if($log); } } print STDERR "$$ XXX\n" if($d); $conn=0; $lc=0; $first=1; while(<SOCK>) { # print STDERR "$$: Site went bang: $!\n" if($!); $l=$_; $lc++; tr/\r\n//d; last if(/^$/); $conn++ if(/^Connection:/); $cont=$1 if(/^Content-[lL]ength: (\d+)$/); if($first) { $cachethis=0 if(/^HTTP.* 4\d+/); } print $l; print STDERR "$$ << $l" if($d); print LOG "< $l" if($log); $first=0; } &err("500 Internal Server Error","Blank document returned. ($!)") unless($lc); print "Connection: close\r\n" unless($conn); print $l; open(OUT,"|lame -b 16 --mp3input - -"); if($cont) { while(1) { $in=read SOCK, $buf, ($cont < 256 ? $cont : 256 ); $cont -= $in; print OUT $buf; # print STDERR "$$ << $buf" if($d); print LOG "< $buf\n" if($log); } } else { while(<SOCK>) { print OUT; print LOG if($log); } } close(SOCK); close(OUT); print STDERR "$$: Done with $url\n" if($v);

In reply to wsradio: MP3 stream downsampling proxy by strredwolf

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