[Summary view] [Print] [Text view]

   1  <?php
   2  /**
   3   * Router for the php cli-server built-in webserver.
   4   * http://www.php.net/manual/en/features.commandline.webserver.php
   5   *
   6   * This program is free software; you can redistribute it and/or modify
   7   * it under the terms of the GNU General Public License as published by
   8   * the Free Software Foundation; either version 2 of the License, or
   9   * (at your option) any later version.
  10   *
  11   * This program is distributed in the hope that it will be useful,
  12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14   * GNU General Public License for more details.
  15   *
  16   * You should have received a copy of the GNU General Public License along
  17   * with this program; if not, write to the Free Software Foundation, Inc.,
  18   * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19   * http://www.gnu.org/copyleft/gpl.html
  20   *
  21   * @file
  22   */
  23  
  24  if ( PHP_SAPI != 'cli-server' ) {
  25      die( "This script can only be run by php's cli-server sapi." );
  26  }
  27  
  28  ini_set( 'display_errors', 1 );
  29  error_reporting( E_ALL );
  30  
  31  if ( isset( $_SERVER["SCRIPT_FILENAME"] ) ) {
  32      # Known resource, sometimes a script sometimes a file
  33      $file = $_SERVER["SCRIPT_FILENAME"];
  34  } elseif ( isset( $_SERVER["SCRIPT_NAME"] ) ) {
  35      # Usually unknown, document root relative rather than absolute
  36      # Happens with some cases like /wiki/File:Image.png
  37      if ( is_readable( $_SERVER['DOCUMENT_ROOT'] . $_SERVER["SCRIPT_NAME"] ) ) {
  38          # Just in case this actually IS a file, set it here
  39          $file = $_SERVER['DOCUMENT_ROOT'] . $_SERVER["SCRIPT_NAME"];
  40      } else {
  41          # Otherwise let's pretend that this is supposed to go to index.php
  42          $file = $_SERVER['DOCUMENT_ROOT'] . '/index.php';
  43      }
  44  } else {
  45      # Meh, we'll just give up
  46      return false;
  47  }
  48  
  49  # And now do handling for that $file
  50  
  51  if ( !is_readable( $file ) ) {
  52      # Let the server throw the error if it doesn't exist
  53      return false;
  54  }
  55  $ext = pathinfo( $file, PATHINFO_EXTENSION );
  56  if ( $ext == 'php' || $ext == 'php5' ) {
  57      # Execute php files
  58      # We use require and return true here because when you return false
  59      # the php webserver will discard post data and things like login
  60      # will not function in the dev environment.
  61      require $file;
  62  
  63      return true;
  64  }
  65  $mime = false;
  66  $lines = explode( "\n", file_get_contents( "includes/mime.types" ) );
  67  foreach ( $lines as $line ) {
  68      $exts = explode( " ", $line );
  69      $mime = array_shift( $exts );
  70      if ( in_array( $ext, $exts ) ) {
  71          break; # this is the right value for $mime
  72      }
  73      $mime = false;
  74  }
  75  if ( !$mime ) {
  76      $basename = basename( $file );
  77      if ( $basename == strtoupper( $basename ) ) {
  78          # IF it's something like README serve it as text
  79          $mime = "text/plain";
  80      }
  81  }
  82  if ( $mime ) {
  83      # Use custom handling to serve files with a known MIME type
  84      # This way we can serve things like .svg files that the built-in
  85      # PHP webserver doesn't understand.
  86      # ;) Nicely enough we just happen to bundle a mime.types file
  87      $f = fopen( $file, 'rb' );
  88      if ( preg_match( '#^text/#', $mime ) ) {
  89          # Text should have a charset=UTF-8 (php's webserver does this too)
  90          header( "Content-Type: $mime; charset=UTF-8" );
  91      } else {
  92          header( "Content-Type: $mime" );
  93      }
  94      header( "Content-Length: " . filesize( $file ) );
  95      // Stream that out to the browser
  96      fpassthru( $f );
  97  
  98      return true;
  99  }
 100  
 101  # Let the php server handle things on it's own otherwise
 102  return false;