<?php
/**
* @brief File Class
* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
* @copyright (c) Invision Power Services, Inc.
* @license https://www.invisioncommunity.com/legal/standards/
* @package Invision Community
* @since 19 Feb 2013
*/
namespace IPS;
/* 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 Class
*/
abstract class _File
{
/**
* @brief File extensions considered safe. Not an exhaustive list but these are the files we're most interested in being recognised.
*/
public static $safeFileExtensions = array( 'js', 'css', 'txt', 'xml', 'ico', 'gif', 'jpg', 'jpe', 'jpeg', 'png', 'mp4', '3gp', 'mov', 'ogg', 'ogv', 'mp3', 'mpg', 'mpeg', 'ico', 'flv', 'webm', 'wmv', 'avi', 'm4v' );
/**
* @brief File extensions for HTML5 compatible videos
*/
public static $videoExtensions = array( 'mp4', '3gp', 'mov', 'ogg', 'ogv', 'mpg', 'mpeg', 'flv', 'webm', 'wmv', 'avi', 'm4v' );
/**
* @brief Does this storage method support chunked uploads?
*/
public static $supportsChunking = FALSE;
/**
* @brief Storage Configurations
*/
protected static $storageConfigurations = NULL;
/**
* @brief Thumbnail dimensions
*/
protected static $thumbnailDimensions = array();
/**
* @brief Ignore errors from uploaded files?
*/
const IGNORE_UPLOAD_ERRORS = 1;
/**
* @brief When moving files, do not delete the original immediately but log for later deletion
*/
const MOVE_DELETE_NOW = 2;
/**
* Get class
*
* @param string|int $storageExtension Storage extension or configuration ID
* @param bool $tryOldFirst Whether to try the old file storage config first or not
* @throws \RuntimeException
* @return \IPS\File
*/
public static function getClass( $storageExtension, $tryOldFirst=FALSE )
{
static::getConfigurations();
$configurationId = NULL;
if ( is_int( $storageExtension ) )
{
$configurationId = $storageExtension;
}
else
{
$settings = json_decode( \IPS\Settings::i()->upload_settings, TRUE );
/* If this storage extension hasn't been set yet, grab the first *valid* configuration and use that (and set it for future use) */
if ( !isset( $settings[ "filestorage__{$storageExtension}" ] ) )
{
foreach ( static::$storageConfigurations as $k => $data )
{
/* Test the storage config - the first one that works wins! */
$classname = 'IPS\File\\' . $data['method'];
$class = new $classname( json_decode( $data['configuration'], TRUE ) );
$class->configurationId = $k;
try
{
/* Test - if no LogicException is thrown we are ok */
$configSettings = json_decode( $data['configuration'], TRUE );
$class->testSettings( $configSettings );
/* Still here? Then let's use this configuration. */
$configurationId = $k;
/* Now store this for future reference */
$settings["filestorage__{$storageExtension}"] = $configurationId;
\IPS\Settings::i()->changeValues( array( 'upload_settings' => json_encode( $settings ) ) );
break;
}
catch( \LogicException $e )
{
/* Move on to the next file storage configuration */
continue;
}
}
}
else
{
/* We have an array of IDs when a move is in progress, the first ID is the new storage method, the second ID is the old */
if ( is_array( $settings[ "filestorage__{$storageExtension}" ] ) )
{
/* Do we want to use the old storage config if available? */
if ( $tryOldFirst === TRUE )
{
/* We want the old storage method as we know the file is on the old server, but may not have moved to the new yet */
$copyOfSettings = $settings["filestorage__{$storageExtension}"];
$configurationId = array_pop( $copyOfSettings );
if ( ! isset( static::$storageConfigurations[ $configurationId ] ) )
{
/* No longer exists, lets use the new storage method */
$copyOfSettings = $settings["filestorage__{$storageExtension}"];
$configurationId = array_shift( $copyOfSettings );
}
}
if ( ! isset( static::$storageConfigurations[ $configurationId ] ) )
{
/* Use the first ID as this is the 'new' storage engine */
$copyOfSettings = $settings["filestorage__{$storageExtension}"];
$configurationId = array_shift( $copyOfSettings );
}
}
else if ( isset( static::$storageConfigurations[ $settings[ "filestorage__{$storageExtension}" ] ] ) )
{
$configurationId = $settings[ "filestorage__{$storageExtension}" ];
}
else
{
$configurationId = $settings[ "filestorage__{$storageExtension}" ];
$storageConfigurations = static::$storageConfigurations;
static::$storageConfigurations[ $settings[ "filestorage__{$storageExtension}" ] ] = array_shift( $storageConfigurations );
}
}
}
if ( ! isset( static::$storageConfigurations[ $configurationId ] ) )
{
throw new \RuntimeException;
}
$classname = 'IPS\File\\' . static::$storageConfigurations[ $configurationId ]['method'];
$class = new $classname( json_decode( static::$storageConfigurations[ $configurationId ]['configuration'], TRUE ) );
$class->configurationId = $configurationId;
return $class;
}
/**
* Load storage configurations
*
* @return array
*/
public static function getConfigurations()
{
if ( static::$storageConfigurations === NULL )
{
if ( isset( \IPS\Data\Store::i()->storageConfigurations ) )
{
static::$storageConfigurations = \IPS\Data\Store::i()->storageConfigurations;
}
else
{
static::$storageConfigurations = iterator_to_array( \IPS\Db::i()->select( '*', 'core_file_storage' )->setKeyField('id') );
\IPS\Data\Store::i()->storageConfigurations = static::$storageConfigurations;
}
}
return static::$storageConfigurations;
}
/**
* @brief Copy files instead of moving them
*/
public static $copyFiles = FALSE;
/**
* Create File
*
* @param string $storageExtension Storage extension
* @param string $filename Filename
* @param string|null $data Data (set to null if you intend to use $filePath)
* @param string|null $container Key to identify container for storage
* @param boolean $isSafe This file is safe and doesn't require security checking
* @param string|null $filePath Path to existing file on disk - Filesystem can move file without loading all of the contents into memory if this method is used
* @param bool $obscure Controls if an md5 hash should be added to the filename
* @return \IPS\File
* @throws \DomainException
* @throws \RuntimeException
*/
public static function create( $storageExtension, $filename, $data=NULL, $container=NULL, $isSafe=FALSE, $filePath=NULL, $obscure=TRUE )
{
/* Check we have a file */
if( $data === NULL AND $filePath === NULL )
{
throw new \DomainException( "NO_FILE_UPLOADED", 1 );
}
/* Init */
$class = static::getClass( $storageExtension );
if ( $container !== NULL )
{
$class->container = $container;
}
$class->storageExtension = $storageExtension;
/* Image-specific stuff */
$ext = mb_substr( $filename, ( mb_strrpos( $filename, '.' ) + 1 ) );
if( in_array( mb_strtolower( $ext ), \IPS\Image::$imageExtensions ) and ( !$isSafe or \IPS\Image::exifSupported() ) )
{
/* Get contents */
if( $data === NULL AND $filePath !== NULL )
{
$data = \file_get_contents( $filePath );
$filePath = NULL;
}
/* Make sure images don't have HTML in the comments, which can cause be an XSS in older versions of IE */
$image = NULL;
if( !$isSafe and static::checkXssInFile( $data ) )
{
/* Try to just strip the EXIF */
$image = \IPS\Image::create( $data );
$image->resize( $image->width, $image->height );
$data = (string) $image;
/* And if it still fails, throw an error */
if ( static::checkXssInFile( $data ) )
{
throw new \DomainException( "SECURITY_EXCEPTION_RAISED", 99 );
}
}
/* Correct orientation */
if ( \IPS\Image::exifSupported() )
{
$image = $image ?: \IPS\Image::create( $data );
if ( $image->hasBeenRotated )
{
$data = (string) \IPS\Image::create( $data );
}
}
}
/* Set the name */
$class->setFilename( $filename, $obscure );
/* Set the contents */
if( $data !== NULL )
{
$class->contents = $data;
}
else
{
$class->setFile( $filePath );
}
/* Save and return */
$class->save();
return $class;
}
/**
* Create \IPS\File objects from uploaded $_FILES array
*
* @param string $storageLocation The storage location to create the files under (e.g. core_Attachment)
* @param string|NULL $fieldName Restrict collection of uploads to this upload field name, or pass NULL to collect any and all uploads
* @param array|NULL $allowedFileTypes Array of allowed file extensions, or NULL to allow any extensions
* @param int|NULL $maxFileSize The maximum file size in MB, or NULL to allow any size
* @param int|NULL $totalMaxSize The maximum total size of all files in MB, or NULL for no limit
* @param int $flags \IPS\File::IGNORE_UPLOAD_ERRORS to skip over invalid files rather than throw exception
* @param array|NULL $callback Callback function to run against the file contents before creating the file (useful for resizing images, for instance)
* @param string|null $container Key to identify container for storage
* @param bool $obscure Controls if an md5 hash should be added to the filename
* @return array Array of \IPS\File objects
* @throws \DomainException
* @throws \RuntimeException
*/
public static function createFromUploads( $storageLocation, $fieldName=NULL, $allowedFileTypes=NULL, $maxFileSize=NULL, $totalMaxSize=NULL, $flags=0, $callback=NULL, $container=NULL, $obscure=TRUE )
{
/* Do we have any uploads? */
if( empty( $_FILES ) )
{
return array();
}
if( $fieldName !== NULL )
{
if( empty( $_FILES[ $fieldName ]['name'] ) )
{
return array();
}
}
/* Normalize the files array */
$files = static::normalizeFilesArray( $fieldName );
$fileObjects = array();
/* Now loop over each file */
$currentTotal = 0;
foreach( $files as $file )
{
/* First, validate the upload */
try
{
static::validateUpload( $file, $allowedFileTypes, $maxFileSize );
if ( $totalMaxSize !== NULL )
{
$currentTotal += $file['size'];
if ( $currentTotal > ( $totalMaxSize * 1048576 ) )
{
throw new \DomainException( \IPS\Member::loggedIn()->language()->addToStack('uploaderr_total_size', FALSE, array( 'sprintf' => array( $totalMaxSize ) ) ) );
}
}
if ( $file['name'] === 'blob' )
{
switch ( $file['type'] )
{
case 'image/png':
$file['name'] .= '.png';
break;
case 'image/jpeg':
$file['name'] .= '.jpg';
break;
case 'image/gif':
$file['name'] .= '.gif';
break;
}
}
if( $callback !== NULL )
{
$contents = file_get_contents( $file['tmp_name'] );
$contents = call_user_func( $callback, $contents, $file['name'] );
$fileObjects[] = static::create( $storageLocation, $file['name'], $contents, $container, FALSE, NULL, $obscure );
}
else
{
$fileObjects[] = static::create( $storageLocation, $file['name'], NULL, $container, FALSE, $file['tmp_name'], $obscure );
}
if( is_file( $file['tmp_name'] ) and file_exists( $file['tmp_name'] ) )
{
@unlink( $file['tmp_name'] );
}
}
catch( \DomainException $e )
{
if( is_file( $file['tmp_name'] ) and file_exists( $file['tmp_name'] ) )
{
@unlink( $file['tmp_name'] );
}
/* Are we ignoring upload errors? */
if( $flags === \IPS\File::IGNORE_UPLOAD_ERRORS )
{
continue;
}
else
{
throw $e;
}
}
}
return $fileObjects;
}
/**
* Normalize the files array
*
* @param string|NULL $fieldName Restrict collection of uploads to this upload field name, or pass NULL to collect any and all uploads
* @return array
*/
public static function normalizeFilesArray( $fieldName=NULL )
{
$files = array();
foreach( $_FILES as $index => $file )
{
if( $fieldName !== NULL AND $fieldName != $index )
{
continue;
}
/* Do we have $_FILES['field'] = array( 'name' => ..., 'size' => ... ) */
if( isset( $file['name'] ) AND !is_array( $file['name'] ) )
{
$files[] = $file;
}
/* Or do we have $_FILES['field'] = array( 'name' => array( 0 => ..., 1 => ... ), 'size' => array( 0 => ..., 1 => ... ) ) */
else
{
if( is_array( $file['name'] ) )
{
foreach( $file as $fieldName => $fields )
{
foreach( $fields as $fileIndex => $fileFieldValue )
{
$files[ $fileIndex ][ $fieldName ] = $fileFieldValue;
}
}
}
}
}
return $files;
}
/**
* Validate the uploaded file is valid
*
* @param array $file The uploaded file data
* @param array|NULL $allowedFileTypes Array of allowed file extensions, or NULL to allow any extensions
* @param int|NULL $maxFileSize The maximum file size in MB, or NULL to allow any size
* @return void
* @throws \DomainException
* @note plupload inherently supports certain errors, so when appropriate we return the error code plupload expects
*/
public static function validateUpload( $file, $allowedFileTypes, $maxFileSize )
{
/* Was an error registered by PHP already? */
if( $file['error'] )
{
$extraInfo = NULL;
switch( $file['error'] )
{
case 1: //UPLOAD_ERR_INI_SIZE
case 2: //UPLOAD_ERR_FORM_SIZE
$errorCode = "-600";
$extraInfo = 2;
break;
case 3: //UPLOAD_ERR_PARTIAL
case 4: //UPLOAD_ERR_NO_FILE
$errorCode = "NO_FILE_UPLOADED";
$extraInfo = 1;
break;
case 6: //UPLOAD_ERR_NO_TMP_DIR
case 7: //UPLOAD_ERR_CANT_WRITE
case 8: //UPLOAD_ERR_EXTENSION
$errorCode = "SERVER_CONFIGURATION";
$extraInfo = $file['error'];
break;
}
throw new \DomainException( $errorCode, $extraInfo );
}
/* Do we have a path? */
if ( empty( $file['tmp_name'] ) AND !isset( $file['_skipUploadCheck'] ) )
{
throw new \DomainException( 'upload_error', 1 );
}
/* Is this actually an uploaded file? */
if( !is_uploaded_file( $file['tmp_name'] ) AND !isset( $file['_skipUploadCheck'] ) )
{
throw new \DomainException( 'upload_error', 1 );
}
/* Check size */
if( $maxFileSize !== NULL )
{
$maxFileSize = $maxFileSize * 1048576;
if( $file['size'] > $maxFileSize OR ( !isset( $file['_skipUploadCheck'] ) AND filesize( $file['tmp_name'] ) > $maxFileSize ) )
{
throw new \DomainException( '-600', 2 );
}
}
/* Check allowed types */
$ext = mb_substr( $file['name'], mb_strrpos( $file['name'], '.' ) + 1 );
if( $allowedFileTypes !== NULL and is_array( $allowedFileTypes ) and !empty( $allowedFileTypes ) )
{
if( !in_array( mb_strtolower( $ext ), array_map( 'mb_strtolower', $allowedFileTypes ) ) )
{
throw new \DomainException( '-601', 3 );
}
}
/* If it's got an image extension, check it's actually a valid image */
if ( in_array( $ext, \IPS\Image::$imageExtensions ) AND !isset( $file['_skipUploadCheck'] ) )
{
$imageAttributes = getimagesize( $file['tmp_name'] );
if( !in_array( $imageAttributes[2], array( IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG ) ) )
{
throw new \DomainException( 'upload_error', 4 );
}
}
return;
}
/**
* Load File
*
* @param string $storageExtension Storage extension
* @param string|\IPS\Http|Url $url URL to file
* @return \IPS\File
* @throws \OutOfRangeException
*/
public static function get( $storageExtension, $url )
{
/* Don't allow something/../../../../etc/passwd */
if( mb_strpos( rawurldecode( $url ), '../' ) !== FALSE )
{
throw new \OutOfRangeException( 'INVALID_PATH' );
}
$class = static::getClass( $storageExtension, TRUE );
$class->storageExtension = $storageExtension;
$class->url = $url;
$class->load();
return $class;
}
/**
* Remove orphaned files based on a given storage configuration
*
* @param array $configurationId Storage configuration ID
* @param int $fileIndex The file offset to start at in a listing
* @return array
*/
public static function orphanedFiles( $configurationId, $fileIndex )
{
return static::getClass( $configurationId )->removeOrphanedFiles( $fileIndex, \IPS\Application::allExtensions( 'core', 'FileStorage', FALSE ) );
}
/**
* Determine if the change in configuration warrants a move process
*
* @param array $configuration New Storage configuration
* @param array $oldConfiguration Existing Storage Configuration
* @return boolean
*/
public static function moveCheck( $configuration, $oldConfiguration )
{
$needsMove = FALSE;
if ( count( array_merge( array_diff( $configuration, $oldConfiguration ), array_diff( $oldConfiguration, $configuration ) ) ) )
{
$needsMove = TRUE;
}
if ( ! $needsMove )
{
foreach( $configuration as $k => $v )
{
$pass = TRUE;
if ( ! isset( $oldConfiguration[ $k ] ) or $v != $oldConfiguration[ $k ] )
{
$pass = FALSE;
}
}
$needsMove = ( $pass ) ? FALSE : TRUE;
}
return $needsMove;
}
/**
* Is this a fully qualified URL?
*
* @param string $url URL to examine
* @return boolean
*/
public static function isFullyQualifiedUrl( $url )
{
return ( mb_substr( $url, 0, 4 ) === 'http' OR mb_substr( $url, 0, 2 ) === '//' );
}
/**
* This is primarily a utility function to convert old style full URLs (http://site.com/uploads/monthly_04_2015/file.txt) into the new style (monthly_04_2015/file.txt)
*
* @deprecated 4.1.0
* @return string|boolean URL (string) if URL needed repairing, or FALSE if it did not.
*/
public static function repairUrl( $url )
{
if ( static::isFullyQualifiedUrl( $url ) )
{
/* Loop through all configurations and remove the baseUrl() if it matches */
static::getConfigurations();
foreach( static::$storageConfigurations as $id => $data )
{
$class = static::getClass( $data['id'] );
$urlRelative = preg_replace( '#^http(s)?://#', '//', $url );
$baseRelative = preg_replace( '#^http(s)?://#', '//', $class->baseUrl() );
if ( mb_strpos( $urlRelative, $baseRelative ) === 0 )
{
return ltrim( str_replace( $baseRelative, '', $urlRelative ), '/' );
}
}
}
return FALSE;
}
/**
* @brief Storage Configuration
*/
public $configuration = array();
/**
* @brief Storage Configuration ID
*/
public $configurationId;
/**
* @brief Storage Extension (core_Theme, etc)
*/
public $storageExtension;
/**
* @brief Original Filename
*/
public $originalFilename;
/**
* @brief Filename
*/
public $filename;
/**
* @brief Container
*/
public $container;
/**
* @brief Cached contents
*/
protected $contents;
/**
* @brief URL
*/
public $url;
/**
* @brief Temp ID
*/
public $tempId;
/**
* Constructor
*
* @param array $configuration Storage configuration
* @return void
*/
public function __construct( $configuration )
{
$this->configuration = $configuration;
}
/**
* Return the base URL
*
* @return string
*/
public function baseUrl()
{
return NULL;
}
/**
* Print the contents of the file
*
* @param int|null $start Start point to print from (for ranges)
* @param int|null $length Length to print to (for ranges)
* @param int|null $throttle Throttle speed
* @return void
*/
public function printFile( $start=NULL, $length=NULL, $throttle=NULL )
{
if( $start AND $length )
{
$contents = substr( $this->contents(), $start, $length );
}
else
{
$contents = $this->contents();
}
if( $throttle === NULL )
{
print $contents;
}
else
{
$pointer = 0;
$contentsLength = \strlen( $contents );
while( $pointer < $contentsLength )
{
print \substr( $contents, $pointer, $throttle );
$pointer += $throttle;
sleep( 1 );
}
}
}
/**
* Send file with byte-offset supported. Requires a path to a locally stored file. This method can be more efficient than
* getting the file contents and printing as the file contents do not need to be stored in memory, however files will need to
* be written to disk and removed, and the method is only useful if there is a way to retrieve a file without storing the
* contents in memory already.
*
* @param string $file Path to file
* @param int|null $start Start point to print from (for ranges)
* @param int|null $length Length to print to (for ranges)
* @param int|null $throttle Throttle speed
* @return void
*/
protected function sendFile( $file, $start=NULL, $length=NULL, $throttle=NULL )
{
/* Turn off output buffering if it is on */
while( ob_get_level() > 0 )
{
ob_end_clean();
}
if( $throttle === NULL AND $start === NULL AND function_exists('readfile') )
{
readfile( $file );
}
else
{
if( $fh = fopen( $file, 'rb' ) )
{
$read = ( $throttle !== NULL ) ? $throttle : 4096;
if( $start !== NULL AND $length )
{
fseek( $fh, $start );
while( $length AND !feof( $fh ) )
{
if( $read > $length )
{
$read = $length;
}
echo fread( $fh, $read );
flush();
$length -= $read;
if( $throttle )
{
sleep( 1 );
}
}
}
else
{
while( ! feof( $fh ) )
{
echo fread( $fh, $read );
flush();
if( $throttle )
{
sleep( 1 );
}
}
}
fclose( $fh );
}
}
}
/**
* Get Contents
*
* @param bool $refresh If TRUE, will fetch again
* @return string
*/
public function contents( $refresh=FALSE )
{
if ( $this->contents === NULL or $refresh === TRUE )
{
$this->contents = (string) \IPS\Http\Url::external( $this->url )->request()->get();
}
return $this->contents;
}
/**
* Get filesize (in bytes)
*
* @return string
*/
public function filesize()
{
try
{
return \strlen( $this->contents() );
}
catch( \RuntimeException $ex )
{
return FALSE;
}
}
/**
* Set the file
*
* @param string $filepath The path to the file on disk
* @return void
*/
public function setFile( $filepath )
{
$this->contents = file_get_contents( $filepath );
}
/**
* Set filename
*
* @param string $filename The filename
* @param bool $obscure Controls if an md5 hash should be added to the filename
* @return void
*/
public function setFilename( $filename, $obscure=TRUE )
{
$this->originalFilename = $filename;
/* Make sure name doesn't have anything that may break URLs */
if ( preg_match( '#[^a-zA-Z0-9!\-_\.\*\(\)\@]#', $filename ) )
{
$filename = mt_rand() . '_' . preg_replace( '#[^a-zA-Z0-9!\-_\.\*\(\)\@]#', '', $filename );
}
if ( $obscure )
{
$filename = static::obscureFilename( $filename );
}
else
{
$filename = $filename;
}
/* Most operating systems allow a max filename length of 255 bytes, so we should make sure we don't go over that */
if( \strlen( $filename ) > 200 )
{
/* If the filename is over 200 chars, grab the first 100 and the last 100 and concatenate with a dash - this should help ensure we retain the most useful info */
$filename = mb_substr( $filename, 0, 100 ) . '-' . mb_substr( $filename, -100 );
}
$this->filename = $filename;
}
/**
* Obscure Filename
*
* @param string $filename The filename
* @return string
*/
protected function obscureFilename( $filename )
{
$ext = mb_substr( $filename, ( mb_strrpos( $filename, '.' ) + 1 ) );
$safe = in_array( mb_strtolower( $ext ), static::$safeFileExtensions );
if ( ! $safe )
{
$filename = mb_substr( $filename, 0, ( mb_strrpos( $filename, '.' ) ) ) . '_' . $ext;
}
while( preg_match( '#\.(?!(' . implode( '|', static::$safeFileExtensions ) . '))([a-z0-9]{2,4})(\.|$)#i', $filename, $matches ) )
{
$filename = str_replace( '.' . $matches[2], '_' . $matches[2], $filename );
}
return str_replace( array( ' ', '#' ), '_', $filename ) . '.' . md5( mt_rand() ) . ( ( $safe ) ? '.' . $ext : '' );
}
/**
* "Un"-obscure the filename
*
* @param string $filename The filename
* @return string
*/
protected function unObscureFilename( $filename )
{
$ext = mb_substr( $filename, ( mb_strrpos( $filename, '.' ) + 1 ) );
if ( mb_strlen( $ext ) == 32 )
{
preg_match( '#(.*)_([A-Z0-9\-]{2,10})\.([A-Z0-9]{32})#i', $filename, $matches );
if ( isset( $matches[1] ) and isset( $matches[2] ) )
{
return $matches[1] . '.' . $matches[2];
}
else
{
/* Fix foo.pdf.hash */
preg_match( '#(.*)\.([A-Z0-9\-]{2,10})\.([A-Z0-9]{32})#i', $filename, $matches );
if ( isset( $matches[1] ) and isset( $matches[2] ) )
{
return $matches[1] . '.' . $matches[2];
}
}
}
if( preg_match( "/\.([a-zA-Z0-9]{32})\." . preg_quote( $ext ) . "$/", $filename ) )
{
return mb_substr( $filename, 0, mb_strlen( $filename ) - ( 34 + mb_strlen( $ext ) ) );
}
else
{
return $filename;
}
}
/**
* Load File Data
*
* @return void
*/
public function load()
{
$url = (string) $this->url;
if ( static::isFullyQualifiedUrl( $url ) )
{
$url = mb_substr( $url, mb_strlen( $this->baseUrl() ) + 1 );
}
$exploded = explode( '/', $url );
$this->filename = array_pop( $exploded );
$this->originalFilename = $this->unObscureFilename( $this->filename );
$this->url = \IPS\Http\Url::createFromString( $this->fullyQualifiedUrl( $this->url ), FALSE, TRUE );
/* Upon upgrade we don't rename every file, so we need to account for this */
if( mb_strpos( $this->originalFilename, '.' ) === FALSE )
{
$this->originalFilename = $this->filename;
}
$this->container = implode( '/', $exploded );
}
/**
* Replace file contents
*
* @param string $contents New contents
* @return void
*/
public function replace( $contents )
{
$this->contents = $contents;
$this->save();
}
/**
* Save File
*
* @return void
*/
abstract public function save();
/**
* Delete
*
* @return void
*/
abstract public function delete();
/**
* Delete Container
*
* @param string $container Key
* @return void
*/
abstract public function deleteContainer( $container );
/**
* Get the relative URL
*
* @return string
*/
public function __toString()
{
return $this->container ? ( $this->container . '/' . $this->filename ) : $this->filename;
}
/**
* The configuration settings have been updated
*
* @return void
*/
public function settingsUpdated()
{
$settings = json_decode( \IPS\Settings::i()->upload_settings, TRUE );
foreach( $settings as $method => $id )
{
if ( $id == $this->configurationId )
{
$exploded = explode( '_', str_replace( 'filestorage__', '', $method ) );
$classname = "IPS\\{$exploded[0]}\\extensions\\core\\FileStorage\\{$exploded[1]}";
if ( method_exists( $classname, 'settingsUpdated' ) )
{
$classname::settingsUpdated( $this->configuration );
}
}
}
/* Clear guest page caches */
\IPS\Data\Cache::i()->clearAll();
/* Clear datastore */
\IPS\Data\Store::i()->clearAll();
}
/**
* Return the fully qualified URL
*
* @return string
*/
public function fullyQualifiedUrl( $url )
{
if ( mb_substr( $url, 0, 4 ) !== 'http' AND mb_substr( $url, 0, 2 ) !== '//' )
{
$url = $this->baseUrl() . '/' . $this->encodeFileUrl( $url );
}
return $url;
}
/**
* Encode the file name for the fully qualified URL
*
* @return string
*/
public function encodeFileUrl( $filename )
{
return \IPS\Http\Url::encodeComponent( \IPS\Http\Url::COMPONENT_PATH, $filename );
}
/**
* Move file to a different storage location
*
* @param int $storageConfiguration New storage configuration ID
* @param int $flags Bitwise Flags
* @return \IPS\File
*/
public function move( $storageConfiguration, $flags=0 )
{
/* Copy file */
try
{
$class = $this->copy( $storageConfiguration );
}
catch( \Exception $e )
{
throw new \RuntimeException( $e->getMessage(), $e->getCode() );
}
try
{
if( $flags === \IPS\File::MOVE_DELETE_NOW )
{
/* Delete this one */
$this->delete();
}
else
{
/* Will be deleted later */
$this->log( "file_moved", 'move', array(
'method' => static::$storageConfigurations[ $storageConfiguration ]['method'],
'configuration_id' => $storageConfiguration,
'container' => $class->container,
'filename' => $class->filename
), 'move' );
}
}
catch( \Exception $e )
{
$this->log( $e->getMessage(), 'delete' );
throw new \RuntimeException( $e->getMessage(), $e->getCode() );
}
/* Return */
return $class;
}
/**
* Copy a file to a different storage location
*
* @param int $storageConfiguration New storage configuration ID
* @return \IPS\File
* @throws \RuntimeException
*/
public function copy( $storageConfiguration )
{
/* Load class */
static::getConfigurations();
$classname = '\IPS\File\\' . static::$storageConfigurations[ $storageConfiguration ]['method'];
$class = new $classname( json_decode( static::$storageConfigurations[ $storageConfiguration ]['configuration'], TRUE ) );
/* Store it there */
if ( $this->container !== NULL )
{
$class->container = trim( $this->container, '/' );
}
/* We want to keep the same filename so we don't have to update the database */
$class->originalFilename = $this->unObscureFilename( $this->filename );
$class->filename = $this->filename;
try
{
$class->contents = $this->contents();
}
catch( \Exception $e )
{
$this->log( $e->getMessage(), 'copy', array(
'method' => static::$storageConfigurations[ $storageConfiguration ]['method'],
'configuration_id' => $storageConfiguration
) );
throw new \RuntimeException( $e->getMessage(), $e->getCode() );
}
try
{
$class->save();
}
catch( \Exception $e )
{
$this->log( $e->getMessage(), 'copy', array(
'method' => static::$storageConfigurations[ $storageConfiguration ]['method'],
'configuration_id' => $storageConfiguration
) );
throw new \RuntimeException( $e->getMessage(), $e->getCode() );
}
/* Return */
return $class;
}
/**
* @brief Attachment thumbnail URL
*/
public $attachmentThumbnailUrl = NULL;
/**
* Make into an attachment
*
* @param string $postKey Post key
* @param \IPS\Member|NULL Member who uploaded the attachment
* @return array
* @throws \DomainException
*/
public function makeAttachment( $postKey, \IPS\Member $member = NULL )
{
$ext = mb_substr( $this->originalFilename, mb_strrpos($this->originalFilename, '.') + 1 );
$memberId = ( $member and $member->member_id ) ? $member->member_id : 0;
$data = array(
'attach_ext' => $ext,
'attach_file' => $this->originalFilename,
'attach_location' => (string) $this,
'attach_thumb_location' => '',
'attach_thumb_width' => 0,
'attach_thumb_height' => 0,
'attach_is_image' => 0,
'attach_hits' => 0,
'attach_date' => time(),
'attach_post_key' => $postKey,
'attach_member_id' => $memberId,
'attach_filesize' => $this->filesize(),
'attach_img_width' => 0,
'attach_img_height' => 0,
'attach_is_archived' => FALSE
);
/* If this is an image, grab the appropriate data */
if ( $this->isImage() )
{
try
{
$thumbDims = \IPS\Settings::i()->attachment_image_size ? explode( 'x', \IPS\Settings::i()->attachment_image_size ) : array( 1000, 750 );
$dimensions = $this->getImageDimensions();
$data['attach_is_image'] = TRUE;
$data['attach_img_width'] = $dimensions[0];
$data['attach_img_height'] = $dimensions[1];
if ( $dimensions[0] > $thumbDims[0] or $dimensions[1] > $thumbDims[1] )
{
$data['attach_thumb_location'] = (string) $this->thumbnail( 'core_Attachment', $thumbDims[0], $thumbDims[1] );
$data['attach_thumb_width'] = static::$thumbnailDimensions[0];
$data['attach_thumb_height'] = static::$thumbnailDimensions[1];
$this->attachmentThumbnailUrl = $data['attach_thumb_location'];
}
}
catch ( \InvalidArgumentException $e ) { }
}
return array_merge( array( 'attach_id' => \IPS\Db::i()->insert( 'core_attachments', $data ) ), $data );
}
/**
* Determine if the file is an image
*
* @return bool
*/
public function isImage()
{
$ext = mb_substr( $this->originalFilename, mb_strrpos( $this->originalFilename, '.' ) + 1 );
if ( in_array( mb_strtolower( $ext ), \IPS\Image::$imageExtensions ) )
{
return TRUE;
}
return FALSE;
}
/**
* Determine if the file is a video
*
* @return bool
*/
public function isVideo()
{
$ext = mb_substr( $this->originalFilename, mb_strrpos( $this->originalFilename, '.' ) + 1 );
if ( in_array( mb_strtolower( $ext ), \IPS\File::$videoExtensions ) )
{
return TRUE;
}
return FALSE;
}
/**
* Get media type ("file", "image" or "video")
*
* @return bool
*/
public function mediaType()
{
if ( $this->isVideo() )
{
return 'video';
}
elseif ( $this->isImage() )
{
return 'image';
}
else
{
return 'file';
}
}
/**
* If the file is an image, get the dimensions
*
* @return array
* @throws \DomainException
* @throws \InvalidArgumentException
* @throws \RuntimeException
*/
public function getImageDimensions()
{
if( !$this->isImage() )
{
throw new \DomainException;
}
$image = \IPS\Image::create( $this->contents() );
return array( $image->width, $image->height );
}
/**
* Claim Attachments and clear autosave content
*
* @param string $autoSaveKey Auto-save key
* @param int|NULL $id1 ID 1
* @param int|NULL $id2 ID 2
* @param int|NULL $id3 ID 3
* @param bool $translatable Are we claiming from a Translatable field?
* @return void
* @note If you call this, it is your responsibility to call unclaimAttachments if/when the thing is deleted
*/
public static function claimAttachments( $autoSaveKey, $id1=NULL, $id2=NULL, $id3=NULL, $translatable=FALSE )
{
if ( $translatable )
{
foreach ( \IPS\Lang::languages() as $lang )
{
\IPS\Db::i()->update( 'core_attachments_map', array(
'id1' => $id1,
'id2' => $id2,
'id3' => $id3,
'temp' => NULL
), array( 'temp=?', md5( $autoSaveKey . $lang->id ) ) );
\IPS\Db::i()->update( 'core_attachments', array( 'attach_post_key' => '' ), array( 'attach_post_key=?', md5( $autoSaveKey . $lang->id . ':' . session_id() ) ) );
\IPS\Request::i()->setClearAutosaveCookie( $autoSaveKey . $lang->id );
}
}
else
{
\IPS\Db::i()->update( 'core_attachments_map', array(
'id1' => $id1,
'id2' => $id2,
'id3' => $id3,
'temp' => NULL
), array( 'temp=?', md5( $autoSaveKey ) ) );
\IPS\Db::i()->update( 'core_attachments', array( 'attach_post_key' => '' ), array( 'attach_post_key=?', md5( $autoSaveKey . ':' . session_id() ) ) );
\IPS\Request::i()->setClearAutosaveCookie( $autoSaveKey );
}
}
/**
* Unclaim Attachments
*
* @param string $locationKey Location key (e.g. "forums_Forums")
* @param int|NULL $id1 ID 1
* @param int|NULL $id2 ID 2
* @param int|NULL $id3 ID 3
* @return void
* @note If any of the IDs are NULL, this will unclaim any attachments with any value. This can be useful to unclaim all attachments for all posts in a topic, but caution must be used.
*/
public static function unclaimAttachments( $locationKey, $id1=NULL, $id2=NULL, $id3=NULL )
{
/* Delete from core_attachments_map */
$where = array( array( 'location_key=?', $locationKey ) );
foreach ( range( 1, 3 ) as $i )
{
$v = "id{$i}";
if ( $$v !== NULL )
{
$where[] = array( "{$v}=?", $$v );
}
}
\IPS\Db::i()->delete( 'core_attachments_map', $where );
}
/**
* @brief This can be used to force a thumbnail name
*/
public $thumbnailName = NULL;
/**
* @brief This can be used to force a thumbnail container
*/
public $thumbnailContainer = NULL;
/**
* Make a thumbnail of the file - copies file, resizes and returns new file object
*
* @param string $storageExtension Storage extension to use for generated thumbnail
* @param int $maxWidth Max width (in pixels) - NULL to use \IPS\THUMBNAIL_SIZE
* @param int $maxHeight Max height (in pixels) - NULL to use \IPS\THUMBNAIL_SIZE
* @param bool $cropToSquare If TRUE, will first crop to a square
* @return \IPS\File
*/
public function thumbnail( $storageExtension, $maxWidth=NULL, $maxHeight=NULL, $cropToSquare=FALSE )
{
/* Work out size */
$defaultSize = explode( 'x', \IPS\THUMBNAIL_SIZE );
$maxWidth = $maxWidth ?: $defaultSize[0];
$maxHeight = $maxHeight ?: $defaultSize[1];
/* Create an \IPS\Image object */
$image = \IPS\Image::create( $this->contents() );
/* Crop it */
if ( $cropToSquare and $image->width != $image->height )
{
$cropProperty = ( $image->width > $image->height ) ? 'height' : 'width';
$image->crop( $image->$cropProperty, $image->$cropProperty );
}
/* Resize it */
$image->resizeToMax( $maxWidth, $maxHeight );
static::$thumbnailDimensions = array( $image->width, $image->height );
/* What are we calling this? */
$thumbnailName = $this->thumbnailName ?: mb_substr( $this->originalFilename, 0, mb_strrpos( $this->originalFilename, '.' ) ) . '.thumb' . mb_substr( $this->originalFilename, mb_strrpos( $this->originalFilename, '.' ) );
/* Create and return */
return \IPS\File::create( $storageExtension, $thumbnailName, $image, $this->thumbnailContainer, FALSE, NULL, $this->thumbnailName ? FALSE : TRUE );
}
/**
* Log an error
*
* @param string $message Message to log
* @param string $action Action that triggered the error (copy/move/delete/save)
* @param mixed $data Extra data to save
* @param string $type Type of log (error/log/copy/move)
* @return void
*/
protected function log( $message, $action, $data=NULL, $type='error' )
{
\IPS\Db::i()->insert( 'core_file_logs', array (
'log_action' => $action,
'log_type' => $type,
'log_configuration_id' => $this->configurationId,
'log_method' => static::$storageConfigurations[ $this->configurationId ]['method'],
'log_filename' => $this->filename,
'log_url' => $this->url,
'log_container' => $this->container,
'log_msg' => $message,
'log_date' => time(),
'log_data' => is_array( $data ) ? json_encode( $data ) : NULL
) );
}
/**
* Log a found orphaned file
*
* @param string $url URL or container/filename.ext
*/
protected function logOrphanedFile( $url )
{
if ( static::isFullyQualifiedUrl( $url ) )
{
$url = mb_substr( $url, mb_strlen( $this->baseUrl() ) + 1 );
}
$exploded = explode( '/', $url );
$filename = array_pop( $exploded );
$container = implode( '/', $exploded );
$method = static::$storageConfigurations[ $this->configurationId ]['method'];
\IPS\Db::i()->delete( 'core_file_logs', array(
'log_action=? AND log_type=? AND log_configuration_id=? AND log_method=? AND log_url=?',
'orphaned',
'orphaned',
$this->configurationId,
$method,
$url
) );
\IPS\Db::i()->insert( 'core_file_logs', array (
'log_action' => 'orphaned',
'log_type' => 'orphaned',
'log_configuration_id' => $this->configurationId,
'log_method' => $method,
'log_filename' => $filename,
'log_url' => $url,
'log_container' => $container,
'log_msg' => 'orphan_found',
'log_date' => time(),
'log_data' => NULL
) );
}
/**
* Check a file for XSS content inside it
*
* @param string $data File data
* @return bool
* @note Thanks to Nicolas Grekas from comments at www.splitbrain.org for helping to identify all vulnerable HTML tags
*/
public static function checkXssInFile( $data )
{
/* We only need to check the first 1kb of the file...some programs will use more, but this is the most common */
$firstBytes = \substr( $data, 0, 1024 );
/* @see https://mimesniff.spec.whatwg.org/#identifying-a-resource-with-an-unknown-mime-type */
if( preg_match( '#(<\!DOCTYPE\s+HTML|<script|<html|<head|<iframe|<h1|<div|<font|<table|<title|<style|<body|<pre|<table|<br|<a\s+href|<img|<plaintext|<cross\-domain\-policy|<\!\-\-|<\?xml)(\s|=|>)#si', $firstBytes, $matches ) )
{
return TRUE;
}
return FALSE;
}
/**
* Get mime type
*
* @return string
*/
public static function getMimeType( $filename )
{
$extension = mb_strtolower( mb_substr( $filename, mb_strrpos( $filename, '.' ) + 1 ) );
if ( array_key_exists( $extension, static::$mimeTypes ) )
{
return static::$mimeTypes[ $extension ];
}
return 'application/x-unknown'; // This, slightly unusual, type is needed to stop some browsers adding random extensions
}
/**
* Return a value pulled from php.ini in bytes
*
* @note This function is intended to normalize values for things like post_max_size which could be -1, 0, 8383900, 8M, 1G, etc.
* @return float
*/
public static function returnBytes( $size )
{
$size = trim( $size );
if( !$size OR $size == -1 )
{
return 0;
}
/* Get the last character, which may be 'm' or may be a number */
$last = mb_strtolower( $size[ \strlen( $size ) - 1 ] );
/* Convert $size to a number */
$size = intval( preg_replace( '/[^0-9]/', '', $size ) );
/* Adjust value as necessary - note that we do not break intentionally */
switch( $last )
{
case 'g':
$size *= 1024;
case 'm':
$size *= 1024;
case 'k':
$size *= 1024;
}
return (float) $size;
}
/**
* Get output for API
*
* @param \IPS\Member|NULL $authorizedMember The member making the API request or NULL for API Key / client_credentials
* @return array
* @apiresponse string name The filename
* @apiresponse string url URL to where file is stored
* @apiresponse int size Filesize in bytes
*/
public function apiOutput( \IPS\Member $authorizedMember = NULL )
{
return array(
'name' => $this->originalFilename,
'url' => (string) $this->url,
'size' => $this->filesize()
);
}
/* !Mime-Type Map */
/**
* @brief Mime-Type Map
*/
public static $mimeTypes = array(
'3dml' => 'text/vnd.in3d.3dml',
'3g2' => 'video/3gpp2',
'3gp' => 'video/3gpp',
'7z' => 'application/x-7z-compressed',
'aab' => 'application/x-authorware-bin',
'aac' => 'audio/x-aac',
'aam' => 'application/x-authorware-map',
'aas' => 'application/x-authorware-seg',
'abw' => 'application/x-abiword',
'ac' => 'application/pkix-attr-cert',
'acc' => 'application/vnd.americandynamics.acc',
'ace' => 'application/x-ace-compressed',
'acu' => 'application/vnd.acucobol',
'acutc' => 'application/vnd.acucorp',
'adp' => 'audio/adpcm',
'aep' => 'application/vnd.audiograph',
'afm' => 'application/x-font-type1',
'afp' => 'application/vnd.ibm.modcap',
'ahead' => 'application/vnd.ahead.space',
'ai' => 'application/postscript',
'aif' => 'audio/x-aiff',
'aifc' => 'audio/x-aiff',
'aiff' => 'audio/x-aiff',
'air' => 'application/vnd.adobe.air-application-installer-package+zip',
'ait' => 'application/vnd.dvb.ait',
'ami' => 'application/vnd.amiga.ami',
'apk' => 'application/vnd.android.package-archive',
'application' => 'application/x-ms-application',
'apr' => 'application/vnd.lotus-approach',
'asa' => 'text/plain',
'asax' => 'application/octet-stream',
'asc' => 'application/pgp-signature',
'ascx' => 'text/plain',
'asf' => 'video/x-ms-asf',
'ashx' => 'text/plain',
'asm' => 'text/x-asm',
'asmx' => 'text/plain',
'aso' => 'application/vnd.accpac.simply.aso',
'asp' => 'text/plain',
'aspx' => 'text/plain',
'asx' => 'video/x-ms-asf',
'atc' => 'application/vnd.acucorp',
'atom' => 'application/atom+xml',
'atomcat' => 'application/atomcat+xml',
'atomsvc' => 'application/atomsvc+xml',
'atx' => 'application/vnd.antix.game-component',
'au' => 'audio/basic',
'avi' => 'video/x-msvideo',
'aw' => 'application/applixware',
'axd' => 'text/plain',
'azf' => 'application/vnd.airzip.filesecure.azf',
'azs' => 'application/vnd.airzip.filesecure.azs',
'azw' => 'application/vnd.amazon.ebook',
'bat' => 'application/x-msdownload',
'bcpio' => 'application/x-bcpio',
'bdf' => 'application/x-font-bdf',
'bdm' => 'application/vnd.syncml.dm+wbxml',
'bed' => 'application/vnd.realvnc.bed',
'bh2' => 'application/vnd.fujitsu.oasysprs',
'bin' => 'application/octet-stream',
'bmi' => 'application/vnd.bmi',
'bmp' => 'image/bmp',
'book' => 'application/vnd.framemaker',
'box' => 'application/vnd.previewsystems.box',
'boz' => 'application/x-bzip2',
'bpk' => 'application/octet-stream',
'btif' => 'image/prs.btif',
'bz' => 'application/x-bzip',
'bz2' => 'application/x-bzip2',
'c' => 'text/x-c',
'c11amc' => 'application/vnd.cluetrust.cartomobile-config',
'c11amz' => 'application/vnd.cluetrust.cartomobile-config-pkg',
'c4d' => 'application/vnd.clonk.c4group',
'c4f' => 'application/vnd.clonk.c4group',
'c4g' => 'application/vnd.clonk.c4group',
'c4p' => 'application/vnd.clonk.c4group',
'c4u' => 'application/vnd.clonk.c4group',
'cab' => 'application/vnd.ms-cab-compressed',
'car' => 'application/vnd.curl.car',
'cat' => 'application/vnd.ms-pki.seccat',
'cc' => 'text/x-c',
'cct' => 'application/x-director',
'ccxml' => 'application/ccxml+xml',
'cdbcmsg' => 'application/vnd.contact.cmsg',
'cdf' => 'application/x-netcdf',
'cdkey' => 'application/vnd.mediastation.cdkey',
'cdmia' => 'application/cdmi-capability',
'cdmic' => 'application/cdmi-container',
'cdmid' => 'application/cdmi-domain',
'cdmio' => 'application/cdmi-object',
'cdmiq' => 'application/cdmi-queue',
'cdx' => 'chemical/x-cdx',
'cdxml' => 'application/vnd.chemdraw+xml',
'cdy' => 'application/vnd.cinderella',
'cer' => 'application/pkix-cert',
'cfc' => 'application/x-coldfusion',
'cfm' => 'application/x-coldfusion',
'cgm' => 'image/cgm',
'chat' => 'application/x-chat',
'chm' => 'application/vnd.ms-htmlhelp',
'chrt' => 'application/vnd.kde.kchart',
'cif' => 'chemical/x-cif',
'cii' => 'application/vnd.anser-web-certificate-issue-initiation',
'cil' => 'application/vnd.ms-artgalry',
'cla' => 'application/vnd.claymore',
'class' => 'application/java-vm',
'clkk' => 'application/vnd.crick.clicker.keyboard',
'clkp' => 'application/vnd.crick.clicker.palette',
'clkt' => 'application/vnd.crick.clicker.template',
'clkw' => 'application/vnd.crick.clicker.wordbank',
'clkx' => 'application/vnd.crick.clicker',
'clp' => 'application/x-msclip',
'cmc' => 'application/vnd.cosmocaller',
'cmdf' => 'chemical/x-cmdf',
'cml' => 'chemical/x-cml',
'cmp' => 'application/vnd.yellowriver-custom-menu',
'cmx' => 'image/x-cmx',
'cod' => 'application/vnd.rim.cod',
'com' => 'application/x-msdownload',
'conf' => 'text/plain',
'cpio' => 'application/x-cpio',
'cpp' => 'text/x-c',
'cpt' => 'application/mac-compactpro',
'crd' => 'application/x-mscardfile',
'crl' => 'application/pkix-crl',
'crt' => 'application/x-x509-ca-cert',
'cryptonote' => 'application/vnd.rig.cryptonote',
'cs' => 'text/plain',
'csh' => 'application/x-csh',
'csml' => 'chemical/x-csml',
'csp' => 'application/vnd.commonspace',
'css' => 'text/css',
'cst' => 'application/x-director',
'csv' => 'text/csv',
'cu' => 'application/cu-seeme',
'curl' => 'text/vnd.curl',
'cww' => 'application/prs.cww',
'cxt' => 'application/x-director',
'cxx' => 'text/x-c',
'dae' => 'model/vnd.collada+xml',
'daf' => 'application/vnd.mobius.daf',
'dataless' => 'application/vnd.fdsn.seed',
'davmount' => 'application/davmount+xml',
'dcr' => 'application/x-director',
'dcurl' => 'text/vnd.curl.dcurl',
'dd2' => 'application/vnd.oma.dd2+xml',
'ddd' => 'application/vnd.fujixerox.ddd',
'deb' => 'application/x-debian-package',
'def' => 'text/plain',
'deploy' => 'application/octet-stream',
'der' => 'application/x-x509-ca-cert',
'dfac' => 'application/vnd.dreamfactory',
'dic' => 'text/x-c',
'dir' => 'application/x-director',
'dis' => 'application/vnd.mobius.dis',
'dist' => 'application/octet-stream',
'distz' => 'application/octet-stream',
'djv' => 'image/vnd.djvu',
'djvu' => 'image/vnd.djvu',
'dll' => 'application/x-msdownload',
'dmg' => 'application/octet-stream',
'dms' => 'application/octet-stream',
'dna' => 'application/vnd.dna',
'doc' => 'application/msword',
'docm' => 'application/vnd.ms-word.document.macroenabled.12',
'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'dot' => 'application/msword',
'dotm' => 'application/vnd.ms-word.template.macroenabled.12',
'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
'dp' => 'application/vnd.osgi.dp',
'dpg' => 'application/vnd.dpgraph',
'dra' => 'audio/vnd.dra',
'dsc' => 'text/prs.lines.tag',
'dssc' => 'application/dssc+der',
'dtb' => 'application/x-dtbook+xml',
'dtd' => 'application/xml-dtd',
'dts' => 'audio/vnd.dts',
'dtshd' => 'audio/vnd.dts.hd',
'dump' => 'application/octet-stream',
'dvi' => 'application/x-dvi',
'dwf' => 'model/vnd.dwf',
'dwg' => 'image/vnd.dwg',
'dxf' => 'image/vnd.dxf',
'dxp' => 'application/vnd.spotfire.dxp',
'dxr' => 'application/x-director',
'ecelp4800' => 'audio/vnd.nuera.ecelp4800',
'ecelp7470' => 'audio/vnd.nuera.ecelp7470',
'ecelp9600' => 'audio/vnd.nuera.ecelp9600',
'ecma' => 'application/ecmascript',
'edm' => 'application/vnd.novadigm.edm',
'edx' => 'application/vnd.novadigm.edx',
'efif' => 'application/vnd.picsel',
'ei6' => 'application/vnd.pg.osasli',
'elc' => 'application/octet-stream',
'eml' => 'message/rfc822',
'emma' => 'application/emma+xml',
'eol' => 'audio/vnd.digital-winds',
'eot' => 'application/vnd.ms-fontobject',
'eps' => 'application/postscript',
'epub' => 'application/epub+zip',
'es3' => 'application/vnd.eszigno3+xml',
'esf' => 'application/vnd.epson.esf',
'et3' => 'application/vnd.eszigno3+xml',
'etx' => 'text/x-setext',
'exe' => 'application/x-msdownload',
'exi' => 'application/exi',
'ext' => 'application/vnd.novadigm.ext',
'ez' => 'application/andrew-inset',
'ez2' => 'application/vnd.ezpix-album',
'ez3' => 'application/vnd.ezpix-package',
'f' => 'text/x-fortran',
'f4v' => 'video/x-f4v',
'f77' => 'text/x-fortran',
'f90' => 'text/x-fortran',
'fbs' => 'image/vnd.fastbidsheet',
'fcs' => 'application/vnd.isac.fcs',
'fdf' => 'application/vnd.fdf',
'fe_launch' => 'application/vnd.denovo.fcselayout-link',
'fg5' => 'application/vnd.fujitsu.oasysgp',
'fgd' => 'application/x-director',
'fh' => 'image/x-freehand',
'fh4' => 'image/x-freehand',
'fh5' => 'image/x-freehand',
'fh7' => 'image/x-freehand',
'fhc' => 'image/x-freehand',
'fig' => 'application/x-xfig',
'fli' => 'video/x-fli',
'flo' => 'application/vnd.micrografx.flo',
'flv' => 'video/x-flv',
'flw' => 'application/vnd.kde.kivio',
'flx' => 'text/vnd.fmi.flexstor',
'fly' => 'text/vnd.fly',
'fm' => 'application/vnd.framemaker',
'fnc' => 'application/vnd.frogans.fnc',
'for' => 'text/x-fortran',
'fpx' => 'image/vnd.fpx',
'frame' => 'application/vnd.framemaker',
'fsc' => 'application/vnd.fsc.weblaunch',
'fst' => 'image/vnd.fst',
'ftc' => 'application/vnd.fluxtime.clip',
'fti' => 'application/vnd.anser-web-funds-transfer-initiation',
'fvt' => 'video/vnd.fvt',
'fxp' => 'application/vnd.adobe.fxp',
'fxpl' => 'application/vnd.adobe.fxp',
'fzs' => 'application/vnd.fuzzysheet',
'g2w' => 'application/vnd.geoplan',
'g3' => 'image/g3fax',
'g3w' => 'application/vnd.geospace',
'gac' => 'application/vnd.groove-account',
'gdl' => 'model/vnd.gdl',
'geo' => 'application/vnd.dynageo',
'gex' => 'application/vnd.geometry-explorer',
'ggb' => 'application/vnd.geogebra.file',
'ggt' => 'application/vnd.geogebra.tool',
'ghf' => 'application/vnd.groove-help',
'gif' => 'image/gif',
'gim' => 'application/vnd.groove-identity-message',
'gmx' => 'application/vnd.gmx',
'gnumeric' => 'application/x-gnumeric',
'gph' => 'application/vnd.flographit',
'gqf' => 'application/vnd.grafeq',
'gqs' => 'application/vnd.grafeq',
'gram' => 'application/srgs',
'gre' => 'application/vnd.geometry-explorer',
'grv' => 'application/vnd.groove-injector',
'grxml' => 'application/srgs+xml',
'gsf' => 'application/x-font-ghostscript',
'gtar' => 'application/x-gtar',
'gtm' => 'application/vnd.groove-tool-message',
'gtw' => 'model/vnd.gtw',
'gv' => 'text/vnd.graphviz',
'gxt' => 'application/vnd.geonext',
'h' => 'text/x-c',
'h261' => 'video/h261',
'h263' => 'video/h263',
'h264' => 'video/h264',
'hal' => 'application/vnd.hal+xml',
'hbci' => 'application/vnd.hbci',
'hdf' => 'application/x-hdf',
'hh' => 'text/x-c',
'hlp' => 'application/winhlp',
'hpgl' => 'application/vnd.hp-hpgl',
'hpid' => 'application/vnd.hp-hpid',
'hps' => 'application/vnd.hp-hps',
'hqx' => 'application/mac-binhex40',
'hta' => 'application/octet-stream',
'htc' => 'text/html',
'htke' => 'application/vnd.kenameaapp',
'htm' => 'text/html',
'html' => 'text/html',
'hvd' => 'application/vnd.yamaha.hv-dic',
'hvp' => 'application/vnd.yamaha.hv-voice',
'hvs' => 'application/vnd.yamaha.hv-script',
'i2g' => 'application/vnd.intergeo',
'icc' => 'application/vnd.iccprofile',
'ice' => 'x-conference/x-cooltalk',
'icm' => 'application/vnd.iccprofile',
'ico' => 'image/x-icon',
'ics' => 'text/calendar',
'ief' => 'image/ief',
'ifb' => 'text/calendar',
'ifm' => 'application/vnd.shana.informed.formdata',
'iges' => 'model/iges',
'igl' => 'application/vnd.igloader',
'igm' => 'application/vnd.insors.igm',
'igs' => 'model/iges',
'igx' => 'application/vnd.micrografx.igx',
'iif' => 'application/vnd.shana.informed.interchange',
'imp' => 'application/vnd.accpac.simply.imp',
'ims' => 'application/vnd.ms-ims',
'in' => 'text/plain',
'ini' => 'text/plain',
'ipfix' => 'application/ipfix',
'ipk' => 'application/vnd.shana.informed.package',
'irm' => 'application/vnd.ibm.rights-management',
'irp' => 'application/vnd.irepository.package+xml',
'iso' => 'application/octet-stream',
'itp' => 'application/vnd.shana.informed.formtemplate',
'ivp' => 'application/vnd.immervision-ivp',
'ivu' => 'application/vnd.immervision-ivu',
'jad' => 'text/vnd.sun.j2me.app-descriptor',
'jam' => 'application/vnd.jam',
'jar' => 'application/java-archive',
'java' => 'text/x-java-source',
'jisp' => 'application/vnd.jisp',
'jlt' => 'application/vnd.hp-jlyt',
'jnlp' => 'application/x-java-jnlp-file',
'joda' => 'application/vnd.joost.joda-archive',
'jpe' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpg' => 'image/jpeg',
'jpgm' => 'video/jpm',
'jpgv' => 'video/jpeg',
'jpm' => 'video/jpm',
'js' => 'text/javascript',
'json' => 'application/json',
'kar' => 'audio/midi',
'karbon' => 'application/vnd.kde.karbon',
'kfo' => 'application/vnd.kde.kformula',
'kia' => 'application/vnd.kidspiration',
'kml' => 'application/vnd.google-earth.kml+xml',
'kmz' => 'application/vnd.google-earth.kmz',
'kne' => 'application/vnd.kinar',
'knp' => 'application/vnd.kinar',
'kon' => 'application/vnd.kde.kontour',
'kpr' => 'application/vnd.kde.kpresenter',
'kpt' => 'application/vnd.kde.kpresenter',
'ksp' => 'application/vnd.kde.kspread',
'ktr' => 'application/vnd.kahootz',
'ktx' => 'image/ktx',
'ktz' => 'application/vnd.kahootz',
'kwd' => 'application/vnd.kde.kword',
'kwt' => 'application/vnd.kde.kword',
'lasxml' => 'application/vnd.las.las+xml',
'latex' => 'application/x-latex',
'lbd' => 'application/vnd.llamagraphics.life-balance.desktop',
'lbe' => 'application/vnd.llamagraphics.life-balance.exchange+xml',
'les' => 'application/vnd.hhe.lesson-player',
'lha' => 'application/octet-stream',
'link66' => 'application/vnd.route66.link66+xml',
'list' => 'text/plain',
'list3820' => 'application/vnd.ibm.modcap',
'listafp' => 'application/vnd.ibm.modcap',
'log' => 'text/plain',
'lostxml' => 'application/lost+xml',
'lrf' => 'application/octet-stream',
'lrm' => 'application/vnd.ms-lrm',
'ltf' => 'application/vnd.frogans.ltf',
'lvp' => 'audio/vnd.lucent.voice',
'lwp' => 'application/vnd.lotus-wordpro',
'lzh' => 'application/octet-stream',
'm13' => 'application/x-msmediaview',
'm14' => 'application/x-msmediaview',
'm1v' => 'video/mpeg',
'm21' => 'application/mp21',
'm2a' => 'audio/mpeg',
'm2v' => 'video/mpeg',
'm3a' => 'audio/mpeg',
'm3u' => 'audio/x-mpegurl',
'm3u8' => 'application/vnd.apple.mpegurl',
'm4a' => 'audio/mp4',
'm4u' => 'video/vnd.mpegurl',
'm4v' => 'video/mp4',
'ma' => 'application/mathematica',
'mads' => 'application/mads+xml',
'mag' => 'application/vnd.ecowin.chart',
'maker' => 'application/vnd.framemaker',
'man' => 'text/troff',
'mathml' => 'application/mathml+xml',
'mb' => 'application/mathematica',
'mbk' => 'application/vnd.mobius.mbk',
'mbox' => 'application/mbox',
'mc1' => 'application/vnd.medcalcdata',
'mcd' => 'application/vnd.mcd',
'mcurl' => 'text/vnd.curl.mcurl',
'mdb' => 'application/x-msaccess',
'mdi' => 'image/vnd.ms-modi',
'me' => 'text/troff',
'mesh' => 'model/mesh',
'meta4' => 'application/metalink4+xml',
'mets' => 'application/mets+xml',
'mfm' => 'application/vnd.mfmp',
'mgp' => 'application/vnd.osgeo.mapguide.package',
'mgz' => 'application/vnd.proteus.magazine',
'mid' => 'audio/midi',
'midi' => 'audio/midi',
'mif' => 'application/vnd.mif',
'mime' => 'message/rfc822',
'mj2' => 'video/mj2',
'mjp2' => 'video/mj2',
'mlp' => 'application/vnd.dolby.mlp',
'mmd' => 'application/vnd.chipnuts.karaoke-mmd',
'mmf' => 'application/vnd.smaf',
'mmr' => 'image/vnd.fujixerox.edmics-mmr',
'mny' => 'application/x-msmoney',
'mobi' => 'application/x-mobipocket-ebook',
'mods' => 'application/mods+xml',
'mov' => 'video/quicktime',
'movie' => 'video/x-sgi-movie',
'mp2' => 'audio/mpeg',
'mp21' => 'application/mp21',
'mp2a' => 'audio/mpeg',
'mp3' => 'audio/mpeg',
'mp4' => 'video/mp4',
'mp4a' => 'audio/mp4',
'mp4s' => 'application/mp4',
'mp4v' => 'video/mp4',
'mpc' => 'application/vnd.mophun.certificate',
'mpe' => 'video/mpeg',
'mpeg' => 'video/mpeg',
'mpg' => 'video/mpeg',
'mpg4' => 'video/mp4',
'mpga' => 'audio/mpeg',
'mpkg' => 'application/vnd.apple.installer+xml',
'mpm' => 'application/vnd.blueice.multipass',
'mpn' => 'application/vnd.mophun.application',
'mpp' => 'application/vnd.ms-project',
'mpt' => 'application/vnd.ms-project',
'mpy' => 'application/vnd.ibm.minipay',
'mqy' => 'application/vnd.mobius.mqy',
'mrc' => 'application/marc',
'mrcx' => 'application/marcxml+xml',
'ms' => 'text/troff',
'mscml' => 'application/mediaservercontrol+xml',
'mseed' => 'application/vnd.fdsn.mseed',
'mseq' => 'application/vnd.mseq',
'msf' => 'application/vnd.epson.msf',
'msh' => 'model/mesh',
'msi' => 'application/x-msdownload',
'msl' => 'application/vnd.mobius.msl',
'msty' => 'application/vnd.muvee.style',
'mts' => 'model/vnd.mts',
'mus' => 'application/vnd.musician',
'musicxml' => 'application/vnd.recordare.musicxml+xml',
'mvb' => 'application/x-msmediaview',
'mwf' => 'application/vnd.mfer',
'mxf' => 'application/mxf',
'mxl' => 'application/vnd.recordare.musicxml',
'mxml' => 'application/xv+xml',
'mxs' => 'application/vnd.triscape.mxs',
'mxu' => 'video/vnd.mpegurl',
'n-gage' => 'application/vnd.nokia.n-gage.symbian.install',
'n3' => 'text/n3',
'nb' => 'application/mathematica',
'nbp' => 'application/vnd.wolfram.player',
'nc' => 'application/x-netcdf',
'ncx' => 'application/x-dtbncx+xml',
'ngdat' => 'application/vnd.nokia.n-gage.data',
'nlu' => 'application/vnd.neurolanguage.nlu',
'nml' => 'application/vnd.enliven',
'nnd' => 'application/vnd.noblenet-directory',
'nns' => 'application/vnd.noblenet-sealer',
'nnw' => 'application/vnd.noblenet-web',
'npx' => 'image/vnd.net-fpx',
'nsf' => 'application/vnd.lotus-notes',
'oa2' => 'application/vnd.fujitsu.oasys2',
'oa3' => 'application/vnd.fujitsu.oasys3',
'oas' => 'application/vnd.fujitsu.oasys',
'obd' => 'application/x-msbinder',
'oda' => 'application/oda',
'odb' => 'application/vnd.oasis.opendocument.database',
'odc' => 'application/vnd.oasis.opendocument.chart',
'odf' => 'application/vnd.oasis.opendocument.formula',
'odft' => 'application/vnd.oasis.opendocument.formula-template',
'odg' => 'application/vnd.oasis.opendocument.graphics',
'odi' => 'application/vnd.oasis.opendocument.image',
'odm' => 'application/vnd.oasis.opendocument.text-master',
'odp' => 'application/vnd.oasis.opendocument.presentation',
'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
'odt' => 'application/vnd.oasis.opendocument.text',
'oga' => 'audio/ogg',
'ogg' => 'audio/ogg',
'ogv' => 'video/ogg',
'ogx' => 'application/ogg',
'onepkg' => 'application/onenote',
'onetmp' => 'application/onenote',
'onetoc' => 'application/onenote',
'onetoc2' => 'application/onenote',
'opf' => 'application/oebps-package+xml',
'oprc' => 'application/vnd.palm',
'org' => 'application/vnd.lotus-organizer',
'osf' => 'application/vnd.yamaha.openscoreformat',
'osfpvg' => 'application/vnd.yamaha.openscoreformat.osfpvg+xml',
'otc' => 'application/vnd.oasis.opendocument.chart-template',
'otf' => 'application/x-font-otf',
'otg' => 'application/vnd.oasis.opendocument.graphics-template',
'oth' => 'application/vnd.oasis.opendocument.text-web',
'oti' => 'application/vnd.oasis.opendocument.image-template',
'otp' => 'application/vnd.oasis.opendocument.presentation-template',
'ots' => 'application/vnd.oasis.opendocument.spreadsheet-template',
'ott' => 'application/vnd.oasis.opendocument.text-template',
'oxt' => 'application/vnd.openofficeorg.extension',
'p' => 'text/x-pascal',
'p10' => 'application/pkcs10',
'p12' => 'application/x-pkcs12',
'p7b' => 'application/x-pkcs7-certificates',
'p7c' => 'application/pkcs7-mime',
'p7m' => 'application/pkcs7-mime',
'p7r' => 'application/x-pkcs7-certreqresp',
'p7s' => 'application/pkcs7-signature',
'p8' => 'application/pkcs8',
'pas' => 'text/x-pascal',
'paw' => 'application/vnd.pawaafile',
'pbd' => 'application/vnd.powerbuilder6',
'pbm' => 'image/x-portable-bitmap',
'pcf' => 'application/x-font-pcf',
'pcl' => 'application/vnd.hp-pcl',
'pclxl' => 'application/vnd.hp-pclxl',
'pct' => 'image/x-pict',
'pcurl' => 'application/vnd.curl.pcurl',
'pcx' => 'image/x-pcx',
'pdb' => 'application/vnd.palm',
'pdf' => 'application/pdf',
'pfa' => 'application/x-font-type1',
'pfb' => 'application/x-font-type1',
'pfm' => 'application/x-font-type1',
'pfr' => 'application/font-tdpfr',
'pfx' => 'application/x-pkcs12',
'pgm' => 'image/x-portable-graymap',
'pgn' => 'application/x-chess-pgn',
'pgp' => 'application/pgp-encrypted',
'php' => 'text/x-php',
'phps' => 'application/x-httpd-phps',
'pic' => 'image/x-pict',
'pkg' => 'application/octet-stream',
'pki' => 'application/pkixcmp',
'pkipath' => 'application/pkix-pkipath',
'plb' => 'application/vnd.3gpp.pic-bw-large',
'plc' => 'application/vnd.mobius.plc',
'plf' => 'application/vnd.pocketlearn',
'pls' => 'application/pls+xml',
'pml' => 'application/vnd.ctc-posml',
'png' => 'image/png',
'pnm' => 'image/x-portable-anymap',
'portpkg' => 'application/vnd.macports.portpkg',
'pot' => 'application/vnd.ms-powerpoint',
'potm' => 'application/vnd.ms-powerpoint.template.macroenabled.12',
'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
'ppam' => 'application/vnd.ms-powerpoint.addin.macroenabled.12',
'ppd' => 'application/vnd.cups-ppd',
'ppm' => 'image/x-portable-pixmap',
'pps' => 'application/vnd.ms-powerpoint',
'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroenabled.12',
'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
'ppt' => 'application/vnd.ms-powerpoint',
'pptm' => 'application/vnd.ms-powerpoint.presentation.macroenabled.12',
'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
'pqa' => 'application/vnd.palm',
'prc' => 'application/x-mobipocket-ebook',
'pre' => 'application/vnd.lotus-freelance',
'prf' => 'application/pics-rules',
'ps' => 'application/postscript',
'psb' => 'application/vnd.3gpp.pic-bw-small',
'psd' => 'image/vnd.adobe.photoshop',
'psf' => 'application/x-font-linux-psf',
'pskcxml' => 'application/pskc+xml',
'ptid' => 'application/vnd.pvi.ptid1',
'pub' => 'application/x-mspublisher',
'pvb' => 'application/vnd.3gpp.pic-bw-var',
'pwn' => 'application/vnd.3m.post-it-notes',
'pya' => 'audio/vnd.ms-playready.media.pya',
'pyv' => 'video/vnd.ms-playready.media.pyv',
'qam' => 'application/vnd.epson.quickanime',
'qbo' => 'application/vnd.intu.qbo',
'qfx' => 'application/vnd.intu.qfx',
'qps' => 'application/vnd.publishare-delta-tree',
'qt' => 'video/quicktime',
'qwd' => 'application/vnd.quark.quarkxpress',
'qwt' => 'application/vnd.quark.quarkxpress',
'qxb' => 'application/vnd.quark.quarkxpress',
'qxd' => 'application/vnd.quark.quarkxpress',
'qxl' => 'application/vnd.quark.quarkxpress',
'qxt' => 'application/vnd.quark.quarkxpress',
'ra' => 'audio/x-pn-realaudio',
'ram' => 'audio/x-pn-realaudio',
'rar' => 'application/x-rar-compressed',
'ras' => 'image/x-cmu-raster',
'rb' => 'text/plain',
'rcprofile' => 'application/vnd.ipunplugged.rcprofile',
'rdf' => 'application/rdf+xml',
'rdz' => 'application/vnd.data-vision.rdz',
'rep' => 'application/vnd.businessobjects',
'res' => 'application/x-dtbresource+xml',
'resx' => 'text/xml',
'rgb' => 'image/x-rgb',
'rif' => 'application/reginfo+xml',
'rip' => 'audio/vnd.rip',
'rl' => 'application/resource-lists+xml',
'rlc' => 'image/vnd.fujixerox.edmics-rlc',
'rld' => 'application/resource-lists-diff+xml',
'rm' => 'application/vnd.rn-realmedia',
'rmi' => 'audio/midi',
'rmp' => 'audio/x-pn-realaudio-plugin',
'rms' => 'application/vnd.jcp.javame.midlet-rms',
'rnc' => 'application/relax-ng-compact-syntax',
'roff' => 'text/troff',
'rp9' => 'application/vnd.cloanto.rp9',
'rpss' => 'application/vnd.nokia.radio-presets',
'rpst' => 'application/vnd.nokia.radio-preset',
'rq' => 'application/sparql-query',
'rs' => 'application/rls-services+xml',
'rsd' => 'application/rsd+xml',
'rss' => 'text/xml', /* application/rss+xml is not actually a registered IANA mime-type */
'rtf' => 'application/rtf',
'rtx' => 'text/richtext',
's' => 'text/x-asm',
'saf' => 'application/vnd.yamaha.smaf-audio',
'sbml' => 'application/sbml+xml',
'sc' => 'application/vnd.ibm.secure-container',
'scd' => 'application/x-msschedule',
'scm' => 'application/vnd.lotus-screencam',
'scq' => 'application/scvp-cv-request',
'scs' => 'application/scvp-cv-response',
'scurl' => 'text/vnd.curl.scurl',
'sda' => 'application/vnd.stardivision.draw',
'sdc' => 'application/vnd.stardivision.calc',
'sdd' => 'application/vnd.stardivision.impress',
'sdkd' => 'application/vnd.solent.sdkm+xml',
'sdkm' => 'application/vnd.solent.sdkm+xml',
'sdp' => 'application/sdp',
'sdw' => 'application/vnd.stardivision.writer',
'see' => 'application/vnd.seemail',
'seed' => 'application/vnd.fdsn.seed',
'sema' => 'application/vnd.sema',
'semd' => 'application/vnd.semd',
'semf' => 'application/vnd.semf',
'ser' => 'application/java-serialized-object',
'setpay' => 'application/set-payment-initiation',
'setreg' => 'application/set-registration-initiation',
'sfd-hdstx' => 'application/vnd.hydrostatix.sof-data',
'sfs' => 'application/vnd.spotfire.sfs',
'sgl' => 'application/vnd.stardivision.writer-global',
'sgm' => 'text/sgml',
'sgml' => 'text/sgml',
'sh' => 'application/x-sh',
'shar' => 'application/x-shar',
'shf' => 'application/shf+xml',
'sig' => 'application/pgp-signature',
'silo' => 'model/mesh',
'sis' => 'application/vnd.symbian.install',
'sisx' => 'application/vnd.symbian.install',
'sit' => 'application/x-stuffit',
'sitx' => 'application/x-stuffitx',
'skd' => 'application/vnd.koan',
'skm' => 'application/vnd.koan',
'skp' => 'application/vnd.koan',
'skt' => 'application/vnd.koan',
'sldm' => 'application/vnd.ms-powerpoint.slide.macroenabled.12',
'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
'slt' => 'application/vnd.epson.salt',
'sm' => 'application/vnd.stepmania.stepchart',
'smf' => 'application/vnd.stardivision.math',
'smi' => 'application/smil+xml',
'smil' => 'application/smil+xml',
'snd' => 'audio/basic',
'snf' => 'application/x-font-snf',
'so' => 'application/octet-stream',
'spc' => 'application/x-pkcs7-certificates',
'spf' => 'application/vnd.yamaha.smaf-phrase',
'spl' => 'application/x-futuresplash',
'spot' => 'text/vnd.in3d.spot',
'spp' => 'application/scvp-vp-response',
'spq' => 'application/scvp-vp-request',
'spx' => 'audio/ogg',
'src' => 'application/x-wais-source',
'sru' => 'application/sru+xml',
'srx' => 'application/sparql-results+xml',
'sse' => 'application/vnd.kodak-descriptor',
'ssf' => 'application/vnd.epson.ssf',
'ssml' => 'application/ssml+xml',
'st' => 'application/vnd.sailingtracker.track',
'stc' => 'application/vnd.sun.xml.calc.template',
'std' => 'application/vnd.sun.xml.draw.template',
'stf' => 'application/vnd.wt.stf',
'sti' => 'application/vnd.sun.xml.impress.template',
'stk' => 'application/hyperstudio',
'stl' => 'application/vnd.ms-pki.stl',
'str' => 'application/vnd.pg.format',
'stw' => 'application/vnd.sun.xml.writer.template',
'sub' => 'image/vnd.dvb.subtitle',
'sus' => 'application/vnd.sus-calendar',
'susp' => 'application/vnd.sus-calendar',
'sv4cpio' => 'application/x-sv4cpio',
'sv4crc' => 'application/x-sv4crc',
'svc' => 'application/vnd.dvb.service',
'svd' => 'application/vnd.svd',
'svg' => 'image/svg+xml',
'svgz' => 'image/svg+xml',
'swa' => 'application/x-director',
'swf' => 'application/x-shockwave-flash',
'swi' => 'application/vnd.aristanetworks.swi',
'sxc' => 'application/vnd.sun.xml.calc',
'sxd' => 'application/vnd.sun.xml.draw',
'sxg' => 'application/vnd.sun.xml.writer.global',
'sxi' => 'application/vnd.sun.xml.impress',
'sxm' => 'application/vnd.sun.xml.math',
'sxw' => 'application/vnd.sun.xml.writer',
't' => 'text/troff',
'tao' => 'application/vnd.tao.intent-module-archive',
'tar' => 'application/x-tar',
'tcap' => 'application/vnd.3gpp2.tcap',
'tcl' => 'application/x-tcl',
'teacher' => 'application/vnd.smart.teacher',
'tei' => 'application/tei+xml',
'teicorpus' => 'application/tei+xml',
'tex' => 'application/x-tex',
'texi' => 'application/x-texinfo',
'texinfo' => 'application/x-texinfo',
'text' => 'text/plain',
'tfi' => 'application/thraud+xml',
'tfm' => 'application/x-tex-tfm',
'thmx' => 'application/vnd.ms-officetheme',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'tmo' => 'application/vnd.tmobile-livetv',
'torrent' => 'application/x-bittorrent',
'tpl' => 'application/vnd.groove-tool-template',
'tpt' => 'application/vnd.trid.tpt',
'tr' => 'text/troff',
'tra' => 'application/vnd.trueapp',
'trm' => 'application/x-msterminal',
'tsd' => 'application/timestamped-data',
'tsv' => 'text/tab-separated-values',
'ttc' => 'application/x-font-ttf',
'ttf' => 'application/x-font-ttf',
'ttl' => 'text/turtle',
'twd' => 'application/vnd.simtech-mindmapper',
'twds' => 'application/vnd.simtech-mindmapper',
'txd' => 'application/vnd.genomatix.tuxedo',
'txf' => 'application/vnd.mobius.txf',
'txt' => 'text/plain',
'u32' => 'application/x-authorware-bin',
'udeb' => 'application/x-debian-package',
'ufd' => 'application/vnd.ufdl',
'ufdl' => 'application/vnd.ufdl',
'umj' => 'application/vnd.umajin',
'unityweb' => 'application/vnd.unity',
'uoml' => 'application/vnd.uoml+xml',
'uri' => 'text/uri-list',
'uris' => 'text/uri-list',
'urls' => 'text/uri-list',
'ustar' => 'application/x-ustar',
'utz' => 'application/vnd.uiq.theme',
'uu' => 'text/x-uuencode',
'uva' => 'audio/vnd.dece.audio',
'uvd' => 'application/vnd.dece.data',
'uvf' => 'application/vnd.dece.data',
'uvg' => 'image/vnd.dece.graphic',
'uvh' => 'video/vnd.dece.hd',
'uvi' => 'image/vnd.dece.graphic',
'uvm' => 'video/vnd.dece.mobile',
'uvp' => 'video/vnd.dece.pd',
'uvs' => 'video/vnd.dece.sd',
'uvt' => 'application/vnd.dece.ttml+xml',
'uvu' => 'video/vnd.uvvu.mp4',
'uvv' => 'video/vnd.dece.video',
'uvva' => 'audio/vnd.dece.audio',
'uvvd' => 'application/vnd.dece.data',
'uvvf' => 'application/vnd.dece.data',
'uvvg' => 'image/vnd.dece.graphic',
'uvvh' => 'video/vnd.dece.hd',
'uvvi' => 'image/vnd.dece.graphic',
'uvvm' => 'video/vnd.dece.mobile',
'uvvp' => 'video/vnd.dece.pd',
'uvvs' => 'video/vnd.dece.sd',
'uvvt' => 'application/vnd.dece.ttml+xml',
'uvvu' => 'video/vnd.uvvu.mp4',
'uvvv' => 'video/vnd.dece.video',
'uvvx' => 'application/vnd.dece.unspecified',
'uvx' => 'application/vnd.dece.unspecified',
'vcd' => 'application/x-cdlink',
'vcf' => 'text/x-vcard',
'vcg' => 'application/vnd.groove-vcard',
'vcs' => 'text/x-vcalendar',
'vcx' => 'application/vnd.vcx',
'vis' => 'application/vnd.visionary',
'viv' => 'video/vnd.vivo',
'vor' => 'application/vnd.stardivision.writer',
'vox' => 'application/x-authorware-bin',
'vrml' => 'model/vrml',
'vsd' => 'application/vnd.visio',
'vsf' => 'application/vnd.vsf',
'vss' => 'application/vnd.visio',
'vst' => 'application/vnd.visio',
'vsw' => 'application/vnd.visio',
'vtu' => 'model/vnd.vtu',
'vxml' => 'application/voicexml+xml',
'w3d' => 'application/x-director',
'wad' => 'application/x-doom',
'wav' => 'audio/x-wav',
'wax' => 'audio/x-ms-wax',
'wbmp' => 'image/vnd.wap.wbmp',
'wbs' => 'application/vnd.criticaltools.wbs+xml',
'wbxml' => 'application/vnd.wap.wbxml',
'wcm' => 'application/vnd.ms-works',
'wdb' => 'application/vnd.ms-works',
'weba' => 'audio/webm',
'webm' => 'video/webm',
'webp' => 'image/webp',
'wg' => 'application/vnd.pmi.widget',
'wgt' => 'application/widget',
'wks' => 'application/vnd.ms-works',
'wm' => 'video/x-ms-wm',
'wma' => 'audio/x-ms-wma',
'wmd' => 'application/x-ms-wmd',
'wmf' => 'application/x-msmetafile',
'wml' => 'text/vnd.wap.wml',
'wmlc' => 'application/vnd.wap.wmlc',
'wmls' => 'text/vnd.wap.wmlscript',
'wmlsc' => 'application/vnd.wap.wmlscriptc',
'wmv' => 'video/x-ms-wmv',
'wmx' => 'video/x-ms-wmx',
'wmz' => 'application/x-ms-wmz',
'woff' => 'application/x-font-woff',
'wpd' => 'application/vnd.wordperfect',
'wpl' => 'application/vnd.ms-wpl',
'wps' => 'application/vnd.ms-works',
'wqd' => 'application/vnd.wqd',
'wri' => 'application/x-mswrite',
'wrl' => 'model/vrml',
'wsdl' => 'application/wsdl+xml',
'wspolicy' => 'application/wspolicy+xml',
'wtb' => 'application/vnd.webturbo',
'wvx' => 'video/x-ms-wvx',
'x32' => 'application/x-authorware-bin',
'x3d' => 'application/vnd.hzn-3d-crossword',
'xap' => 'application/x-silverlight-app',
'xar' => 'application/vnd.xara',
'xbap' => 'application/x-ms-xbap',
'xbd' => 'application/vnd.fujixerox.docuworks.binder',
'xbm' => 'image/x-xbitmap',
'xdf' => 'application/xcap-diff+xml',
'xdm' => 'application/vnd.syncml.dm+xml',
'xdp' => 'application/vnd.adobe.xdp+xml',
'xdssc' => 'application/dssc+xml',
'xdw' => 'application/vnd.fujixerox.docuworks',
'xenc' => 'application/xenc+xml',
'xer' => 'application/patch-ops-error+xml',
'xfdf' => 'application/vnd.adobe.xfdf',
'xfdl' => 'application/vnd.xfdl',
'xht' => 'application/xhtml+xml',
'xhtml' => 'application/xhtml+xml',
'xhvml' => 'application/xv+xml',
'xif' => 'image/vnd.xiff',
'xla' => 'application/vnd.ms-excel',
'xlam' => 'application/vnd.ms-excel.addin.macroenabled.12',
'xlc' => 'application/vnd.ms-excel',
'xlm' => 'application/vnd.ms-excel',
'xls' => 'application/vnd.ms-excel',
'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroenabled.12',
'xlsm' => 'application/vnd.ms-excel.sheet.macroenabled.12',
'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'xlt' => 'application/vnd.ms-excel',
'xltm' => 'application/vnd.ms-excel.template.macroenabled.12',
'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
'xlw' => 'application/vnd.ms-excel',
'xml' => 'application/xml',
'xo' => 'application/vnd.olpc-sugar',
'xop' => 'application/xop+xml',
'xpi' => 'application/x-xpinstall',
'xpm' => 'image/x-xpixmap',
'xpr' => 'application/vnd.is-xpr',
'xps' => 'application/vnd.ms-xpsdocument',
'xpw' => 'application/vnd.intercon.formnet',
'xpx' => 'application/vnd.intercon.formnet',
'xsl' => 'application/xml',
'xslt' => 'application/xslt+xml',
'xsm' => 'application/vnd.syncml+xml',
'xspf' => 'application/xspf+xml',
'xul' => 'application/vnd.mozilla.xul+xml',
'xvm' => 'application/xv+xml',
'xvml' => 'application/xv+xml',
'xwd' => 'image/x-xwindowdump',
'xyz' => 'chemical/x-xyz',
'yaml' => 'text/yaml',
'yang' => 'application/yang',
'yin' => 'application/yin+xml',
'yml' => 'text/yaml',
'zaz' => 'application/vnd.zzazz.deck+xml',
'zip' => 'application/zip',
'zir' => 'application/vnd.zul',
'zirz' => 'application/vnd.zul',
'zmm' => 'application/vnd.handheld-entertainment+xml'
);
}