web/public_php/ams/func/update_plugin.php

   1 <?php
   2 /**
   3  * This function is used in installing updates for plugins.
   4  * It takes id of the plugin whose update is available using
   5  * $_GET global variable and then extract the update details
   6  * from db and then install it in the plugin.
   7  *
   8  * @author Shubham Meena, mentored by Matthew Lagoe
   9  */
  10 function update_plugin() {
  11
  12     // if logged in
  13     if ( WebUsers :: isLoggedIn() ) {
  14
  15         if ( isset( $_GET['id'] ) )
  16              {
  17             // id of plugin to update
  18             $id = filter_var( $_GET['id'], FILTER_SANITIZE_FULL_SPECIAL_CHARS );
  19              $db = new DBLayer( 'lib' );
  20              $sth = $db -> executeWithoutParams( "SELECT * FROM plugins INNER JOIN updates ON plugins.Id=updates.PluginId Where plugins.Id=$id" );
  21              $row = $sth -> fetch();
  22
  23              // replacing update in the  database
  24             Plugincache :: rrmdir( $row['FileName'] );
  25              Plugincache :: zipExtraction( $row['UpdatePath'], rtrim( $row['FileName'], strtolower( $row['Name'] ) ) );
  26
  27              $db -> update( "plugins", array( 'Info' => $row['UpdateInfo'] ), "Id=$row[Id]" );
  28
  29              // deleting the previous update
  30             $db -> delete( "updates", array( 'id' => $row['s.no'] ), "s.no=:id" );
  31
  32              // if update is installed succesffully redirect to show success message
  33                 header("Cache-Control: max-age=1");
  34              header( "Location: index.php?page=plugins&result=8" );
  35              throw new SystemExit();
  36
  37              }
  38         }
  39     }