khanat-opennel-code/code/web/public_php/ams/func/update_plugin.php

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2014-09-06 01:46:13 +00:00
<?php
/**
* This function is used in installing updates for plugins.
* It takes id of the plugin whose update is available using
* $_GET global variable and then extract the update details
* from db and then install it in the plugin.
*
* @author Shubham Meena, mentored by Matthew Lagoe
*/
function update_plugin() {
// if logged in
if ( WebUsers :: isLoggedIn() ) {
if ( isset( $_GET['id'] ) )
{
// id of plugin to update
$id = filter_var( $_GET['id'], FILTER_SANITIZE_FULL_SPECIAL_CHARS );
$db = new DBLayer( 'lib' );
$sth = $db -> executeWithoutParams( "SELECT * FROM plugins INNER JOIN updates ON plugins.Id=updates.PluginId Where plugins.Id=$id" );
$row = $sth -> fetch();
// replacing update in the database
Plugincache :: rrmdir( $row['FileName'] );
Plugincache :: zipExtraction( $row['UpdatePath'], rtrim( $row['FileName'], strtolower( $row['Name'] ) ) );
$db -> update( "plugins", array( 'Info' => $row['UpdateInfo'] ), "Id=$row[Id]" );
// deleting the previous update
$db -> delete( "updates", array( 'id' => $row['s.no'] ), "s.no=:id" );
// if update is installed succesffully redirect to show success message
header("Cache-Control: max-age=1");
header( "Location: index.php?page=plugins&result=8" );
throw new SystemExit();
}
}
}