first import of project's documentation for the webserver.

[privoxy.git] / doc / webserver / redirect.php

diff --git a/doc/webserver/redirect.php b/doc/webserver/redirect.php
new file mode 100755 (executable)
index 0000000..70d7e0b
--- /dev/null
+++ b/doc/webserver/redirect.php
@@ -0,0 +1,141 @@
+M<?php
+
+error_reporting(E_ALL);
+
+// File        :  $Source: /cvsroot/ijbswa/current/project.h,v $
+//
+// Purpose     :  redirects requests to a specific paragraph in the online docs
+//                This file belongs into
+//                ijbswa.sourceforge.net:/home/groups/i/ij/ijbswa/htdocs/
+//                
+// $Id: Makefile.in,v 1.12 2001/06/12 17:15:56 swa Exp $
+//
+// Written by and Copyright (C) 2001 the SourceForge
+// IJBSWA team.  http://ijbswa.sourceforge.net
+//
+// Based on the Internet Junkbuster originally written
+// by and Copyright (C) 1997 Anonymous Coders and 
+// Junkbusters Corporation.  http://www.junkbusters.com
+
+
+// Parse the v= and to= paramaters
+function parse_parameters()
+{
+   global $v, $to;
+   global $version_major, $version_minor, $version_point;
+
+   $version_major = 0;
+   $version_minor = 0;
+   $version_point = 0;
+
+   if (isset($v))
+   {
+      // Version specified
+
+      $v = trim($v);
+
+      // Check if it's valid.
+      // Valid versions have the form "n.n.n", where n=digit(s).
+      if ( (strspn($v,"0123456789.") == strlen($v)) )
+      {
+         // Probably valid.  Copy into globals.
+         $version_pieces = explode (".", $v, 4);
+         if (isset($version_pieces[0]))
+         {
+            $version_major = 0 + $version_pieces[0];
+         }
+         if (isset($version_pieces[1]))
+         {
+            $version_minor = 0 + $version_pieces[1];
+         }
+         if (isset($version_pieces[2]))
+         {
+            $version_point = 0 + $version_pieces[2];
+         }
+      }
+   }
+
+   if (isset($to))
+   {
+      // Trim whitespace and convert to lowercase.
+      $to = strtolower(trim($to));
+
+      // Restrict the characters in the string by removing everything
+      // from the first disallowed character onwards.
+      //
+      // Allowed characters are 0-9, a-z, ".", "_", "-".
+      //
+      $to = substr($to, 0, strspn($to, "0123456789abcdefghijklmnopqrstuvwxyz._-"));
+   }
+   else
+   {
+      $to = "";
+   }
+}
+
+parse_parameters();
+
+// For debugging:
+// print "Version {$version_major}.{$version_minor}.{$version_point}<br>";
+// print "Target \"{$to}\"<br>";
+
+
+// Please do NOT delete any of these redirects.  Even if you take them
+// out of JunkBuster, they may be in use by older releases.
+
+// Note 2: Should *not* include #target part in these URLs.
+// (It works with MS IE, but is not valid HTTP.)
+
+switch($to)
+{
+   case "faq":
+      // Used by 2.9.0+
+      header ("Location: http://www.junkbusters.com/ht/en/ijb2faq.html");
+      exit;
+   case "option":
+      // Used by 2.9.0+
+      // Config file options
+      // called as redirect.php?v=X.X.X&to=option#optionname
+      header ("Location: http://www.junkbusters.com/ht/en/ijb2man.html");
+      exit;
+   case "win":
+      // Used by 2.9.0+ on WIN32
+      header ("Location: http://www.junkbusters.com/ht/en/ijbwin.html");
+      exit;
+//   case "home":
+//      // Currently hard-wired into the code.
+//      header ("Location: http://ijbswa.sourceforge.net/");
+//      exit;
+//   case "gpl":
+//      // Currently hard-wired into the code.
+//      header ("Location: http://www.fsf.org/copyleft/gpl.html");
+//      exit;
+   default:
+      header ("Location: http://ijbswa.sourceforge.net/");
+      exit;
+}
+
+exit;
+?>
+
+// This program is free software; you can redistribute it 
+// and/or modify it under the terms of the GNU General
+// Public License as published by the Free Software
+// Foundation; either version 2 of the License, or (at
+// your option) any later version.
+//
+// This program is distributed in the hope that it will
+// be useful, but WITHOUT ANY WARRANTY; without even the
+// implied warranty of MERCHANTABILITY or FITNESS FOR A
+// PARTICULAR PURPOSE.  See the GNU General Public
+// License for more details.
+//
+// The GNU General Public License should be included with
+// this file.  If not, you can view it at
+// http://www.gnu.org/copyleft/gpl.html
+// or write to the Free Software Foundation, Inc., 59
+// Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+//
+//
+// $Log: Makefile.in,v $
+//