yourls-loader.php

   1 <?php\r
   2 // Handle inexistent root favicon requests and exit\r
   3 if ( '/favicon.ico' == $_SERVER['REQUEST_URI'] ) {\r
   4         header( 'Content-Type: image/gif' );\r
   5         echo base64_decode( "R0lGODlhEAAQAJECAAAAzFZWzP///wAAACH5BAEAAAIALAAAAAAQABAAAAIplI+py+0PUQAgSGoNQFt0LWTVOE6GuX1H6onTVHaW2tEHnJ1YxPc+UwAAOw==" );\r
   6         exit;\r
   7 }\r
   8 \r
   9 // Handle inexistent root robots.txt requests and exit\r
  10 if ( '/robots.txt' == $_SERVER['REQUEST_URI'] ) {\r
  11         header( 'Content-Type: text/plain; charset=utf-8' );\r
  12         echo "User-agent: *\n";\r
  13         echo "Disallow:\n";\r
  14         exit;\r
  15 }\r
  16 \r
  17 // Start YOURLS\r
  18 require_once( dirname( __FILE__ ) . ' /includes/load-yourls.php' );\r
  19 \r
  20 // Get request in YOURLS base (eg in 'http://site.com/yourls/abcd' get 'abdc')\r
  21 $request = yourls_get_request();\r
  22 \r
  23 // Make valid regexp pattern from authorized charset in keywords\r
  24 $pattern = yourls_make_regexp_pattern( yourls_get_shorturl_charset() );\r
  25 \r
  26 // Now load required template and exit\r
  27 \r
  28 yourls_do_action( 'pre_load_template', $request );\r
  29 \r
  30 // At this point, $request is not sanitized. Sanitize in loaded template.\r
  31 \r
  32 // Redirection:\r
  33 if( preg_match( "@^([$pattern]+)/?$@", $request, $matches ) ) {\r
  34         $keyword = isset( $matches[1] ) ? $matches[1] : '';\r
  35         $keyword = yourls_sanitize_keyword( $keyword );\r
  36         yourls_do_action( 'load_template_go', $keyword );\r
  37         include( YOURLS_ABSPATH.'/yourls-go.php' );\r
  38         exit;\r
  39 }\r
  40 \r
  41 // Stats:\r
  42 if( preg_match( "@^([$pattern]+)\+(all)?/?$@", $request, $matches ) ) {\r
  43         $keyword = isset( $matches[1] ) ? $matches[1] : '';\r
  44         $keyword = yourls_sanitize_keyword( $keyword );\r
  45         $aggregate = isset( $matches[2] ) ? (bool)$matches[2] && yourls_allow_duplicate_longurls() : false;\r
  46         yourls_do_action( 'load_template_infos', $keyword );\r
  47         include( YOURLS_ABSPATH.'/yourls-infos.php' );\r
  48         exit;\r
  49 }\r
  50 \r
  51 // Prefix-n-Shorten sends to bookmarklet (doesn't work on Windows)\r
  52 if( preg_match( "@^[a-zA-Z]+://.+@", $request, $matches ) ) {\r
  53         $url = yourls_sanitize_url( $matches[0] );\r
  54         yourls_do_action( 'load_template_redirect_admin', $url );\r
  55         yourls_redirect( yourls_admin_url('index.php').'?u='.rawurlencode( $url ), 302 );\r
  56         exit;\r
  57 }\r
  58 \r
  59 // Past this point this is a request the loader could not understand\r
  60 yourls_do_action( 'loader_failed', $request );\r
  61 yourls_redirect( YOURLS_SITE, 302 );\r
  62 exit;