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#pike __REAL_VERSION__ 
//#pragma strict_types 
 
constant version = sprintf(#"Pike httpserver %d.%d.%d 
",(int)__REAL_VERSION__,__REAL_MINOR__,__REAL_BUILD__); 
 
constant description = "Minimal HTTP-server."; 
 
class Options 
{ 
  inherit Arg.Options; 
 
  constant help_pre = #"Usage: httpserver [flags] [path] 
Starts a simple HTTP server on port 8080 unless another port is specified. The 
server will present the contents of the current directory and it's children to 
the world without any authentication. 
"; 
 
  constant port_help = "Port to use. Defaults to 8080."; 
  constant version_help = "Displays version information."; 
  constant headers_help = "Set additional header and value, e.g. --header X-Content-Type-Options:nosniff"; 
 
  Opt port = Int(HasOpt("--port")|Default(8080)); 
  Opt version = NoOpt("--version"); 
  Opt headers = Multiple(HasOpt("--header")); 
} 
 
Options opt; 
mapping headers = ([]); 
 
int main(int argc, array(string) argv) 
{ 
  opt = Options(argv); 
 
  if(opt->version) 
    exit(0, version); 
 
  int port = opt->port; 
  if(sizeof(argv=opt[Arg.REST])) 
  { 
    string home = combine_path(getcwd(), argv[-1]); 
    if( Stdio.is_dir(home) ) 
      cd(home); 
    else if(port==8080 && (int)argv[-1]) 
      port=(int)argv[-1]; 
  } 
 
  if( opt->headers ) 
  { 
    foreach(opt->headers, string hdr) 
    { 
      array h = hdr/":"; 
      if(sizeof(h)<2) error("Illegal header format %O.\n", hdr); 
      headers[h[0]] = h[1..]*":"; 
    } 
  } 
 
  Protocols.HTTP.Server.Port(handle_request, port, NetUtils.ANY); 
  write("%s is now accessible on port %d through http, " 
        "without password.\n", getcwd(), port); 
  return -1; 
} 
 
string dirlist( string dir ) 
{ 
    string res = 
        "<html><head>\n" 
        "<style>a { text-decoration: none;  }\n" 
        ".odd { background-color:#efefef; }\n" 
        ".even { background-color:#fefefe; }\n" 
        "</style>\n" 
        "</head><body>\n" 
        "<h1>"+Parser.encode_html_entities(dir[2..])+"</h1>" 
        "<table cellspacing='0' cellpadding='2'>\n" 
        "<tr><th align='left'>Filename</th>" 
        "<th align='right'>Type</th>" 
        "<th align='right'>Size</th></tr>\n"; 
 
    foreach( sort( get_dir( dir ) ); int i; string fn ) 
    { 
        Stdio.Stat s = file_stat( combine_path(dir, fn) ); 
        if( !s ) 
            continue; 
 
        string t = s->isdir?"":Protocols.HTTP.Server.filename_to_type(fn); 
        if( t == "application/octet-stream" ) 
            t = "<span style='color:darkgrey'>unknown</span>"; 
 
        res += 
            sprintf("<tr class='%s'><td><a href='%s%s'>%s%[2]s</a></td>" 
                    "<td align='right'>%s</td>" 
                    "<td align='right'>%s</td></tr>\n", 
                    (i&1?"odd":"even"), 
                    Protocols.HTTP.uri_encode(fn), s->isdir?"/":"", 
                    Parser.encode_html_entities(fn), t, 
                    s->isdir?"":String.int2size(s->size)); 
    } 
    return res+"</table></body></html>\n"; 
} 
 
string file_not_found(string fname) 
{ 
  return 
    "<html><body><h1>File not found</h1>\n" 
    "<tt>" + Parser.encode_html_entities(fname) + "</tt><br />\n" 
    "</body></html>\n"; 
} 
 
void handle_request(Protocols.HTTP.Server.Request request) 
{ 
    string file = "."+combine_path("/",request->not_query); 
    file = Protocols.HTTP.uri_decode(file); 
    Stdio.Stat s = file_stat( file ); 
 
    if( !s ) 
        request->response_and_finish( (["data": 
                                        file_not_found(request->not_query), 
                                        "type":"text/html", 
                                        "extra_heads" : headers, 
                                        "error":404]) ); 
    else if( s->isdir ) 
        request->response_and_finish( ([ "data":dirlist(file), 
                                         "extra_heads" : headers, 
                                         "type":"text/html" ]) ); 
    else 
      request->response_and_finish( ([ "file":Stdio.File(file), 
                                       "extra_heads" : headers, 
                                    ]) ); 
}