Version 4.0.13.1

system/File/Database.php

@@ -0,0 +1,222 @@
+<?php
+/**
+ * @brief		File Handler: Database
+ * @author		<a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
+ * @copyright	(c) 2001 - SVN_YYYY Invision Power Services, Inc.
+ * @license		http://www.invisionpower.com/legal/standards/
+ * @package		IPS Social Suite
+ * @since		06 May 2013
+ * @version		SVN_VERSION_NUMBER
+ */
+
+namespace IPS\File;
+
+/* To prevent PHP errors (extending class does not exist) revealing path */
+if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
+{
+	header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
+	exit;
+}
+
+/**
+ * File Handler: Database
+ */
+class _Database extends \IPS\File
+{
+	/* !ACP Configuration */
+	
+	/**
+	 * Settings
+	 *
+	 * @param	array	$configuration		Configuration if editing a setting, or array() if creating a setting.
+	 * @return	array
+	 */
+	public static function settings( $configuration=array() )
+	{
+		return array();
+	}
+	
+	/**
+	 * Display name
+	 *
+	 * @param	array	$settings	Configuration settings
+	 * @return	string
+	 */
+	public static function displayName( $settings )
+	{
+		return \IPS\Member::loggedIn()->language()->addToStack('filehandler__Database');
+	}
+	
+	/* !File Handling */
+
+	/**
+	 * Is this URL valid for this engine?
+	 *
+	 * @param   \IPS\Http\Url   $url            URL
+	 * @param   array           $configuration  Specific configuration for this method
+	 * @return  bool
+	 */
+	public static function isValidUrl( $url, $configuration )
+	{
+		$check = \IPS\Http\Url::internal( "applications/core/interface/file/index.php", 'none', NULL, array(), \IPS\Http\Url::PROTOCOL_RELATIVE );
+		if ( mb_substr( $url, 0, mb_strlen( $check ) ) === $check )
+		{
+			return TRUE;
+		}
+
+		return FALSE;
+	}
+	
+	/**
+	 * Constructor
+	 *
+	 * @param	array	$configuration	Storage configuration
+	 * @return	void
+	 */
+	public function __construct( $configuration )
+	{
+		$this->container = 'monthly_' . date( 'Y' ) . '_' . date( 'm' );
+		parent::__construct( $configuration );
+	}
+
+	/**
+	 * Return the base URL
+	 *
+	 * @return string
+	 */
+	public function baseUrl()
+	{
+		return (string) \IPS\Http\Url::internal( "applications/core/interface/file/index.php?file=", 'none', NULL, array(), \IPS\Http\Url::PROTOCOL_RELATIVE );
+	}
+	
+	/**
+	 * Load File Data
+	 *
+	 * @return	void
+	 */
+	public function load()
+	{
+		parent::load();
+		
+		$this->filename = urldecode( $this->filename );
+		$this->container = urldecode( $this->container );
+		$this->originalFilename = urldecode( $this->originalFilename );
+	}
+
+	/**
+	 * Get Contents
+	 *
+	 * @param	bool	$refresh	If TRUE, will fetch again
+	 * @return	string
+	 */
+	public function contents( $refresh=FALSE )
+	{		
+		if ( $this->contents === NULL or $refresh === TRUE )
+		{
+			try
+			{
+				$record = \IPS\Db::i()->select( '*', 'core_files', array( 'filename=? AND container=?', $this->filename, $this->container ) )->first();
+				$this->contents = $record['contents'];
+			}
+			catch( \UnderflowException $ex )
+			{
+				throw new \RuntimeException( 'FILE_DOES_NOT_EXIST' );
+			}
+		}
+		return $this->contents;
+	}
+		
+	/**
+	 * Save File
+	 *
+	 * @return	void
+	 */
+	public function save()
+	{
+		$salt = md5( uniqid() );
+		
+		/* Make sure name doesn't have anything that may break URLs */
+		if ( preg_match( '#[^a-zA-Z0-9!\-_\.\*\(\)]#', $this->filename ) )
+		{
+			$this->filename = uniqid() . '_' . preg_replace( '#[^a-zA-Z0-9!\-_\.\*\(\)]#', '', $this->filename );
+		}
+		
+		$id = \IPS\Db::i()->insert( 'core_files', array(
+			'filename'	=> $this->filename,
+			'salt'		=> $salt,
+			'contents'	=> $this->contents(),
+			'container'	=> $this->container
+		) );
+
+		$this->url = new \IPS\Http\Url( $this->fullyQualifiedUrl( "{$this->container}/{$this->filename}" ) );
+	}
+	
+	/**
+	 * Delete
+	 *
+	 * @return	void
+	 */
+	public function delete()
+	{
+		\IPS\Db::i()->delete( 'core_files', array( 'filename=? AND container=?', $this->filename, $this->container ) );
+	}
+	
+	/**
+	 * Delete Container
+	 *
+	 * @param	string	$container	Key
+	 * @return	void
+	 */
+	public function deleteContainer( $container )
+	{
+		\IPS\Db::i()->delete( 'core_files', array( 'container=?', $container ) );
+	}
+
+	/**
+	 * Remove orphaned files
+	 *
+	 * @param	int			$fileIndex		The file offset to start at in a listing
+	 * @param	array	$engines	All file storage engine extension objects
+	 * @return	array
+	 */
+	public function removeOrphanedFiles( $fileIndex, $engines )
+	{
+		/* Start off our results array */
+		$results	= array(
+			'_done'				=> FALSE,
+			'fileIndex'			=> $fileIndex,
+		);
+
+		/* Init */
+		$checked	= 0;
+
+		/* Loop over files */
+		foreach( \IPS\DB::i()->select( '*', 'core_files', array(), 'id ASC', array( $fileIndex, 100 ) ) as $file )
+		{
+			$checked++;
+
+			/* Next we will have to loop through each storage engine type and call it to see if the file is valid */
+			foreach( $engines as $engine )
+			{
+				/* If this file is valid for the engine, skip to the next file */
+				if( $engine->isValidFile( $file['container'] . '/' . $file['filename'] ) )
+				{
+					continue 2;
+				}
+			}
+
+			/* If we are still here, the file was not valid.  Delete and increment count. */
+			$this->logOrphanedFile( $file['container'] . '/' . $file['filename'] );
+		}
+
+		$results['fileIndex'] += $checked;
+
+		/* Are we done? */
+		if( !$checked OR $checked < 100 )
+		{
+			$results['_done']	= TRUE;
+		}
+
+		return $results;
+	}
+}