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<?php
/**
* Attachments component
*
* @package Attachments
* @subpackage Attachments_Component
*
* @copyright Copyright (C) 2007-2015 Jonathan M. Cameron, All Rights Reserved
* @license http://www.gnu.org/licenses/gpl-3.0.html GNU/GPL
* @link http://joomlacode.org/gf/project/attachments/frs/
* @author Jonathan M. Cameron
*/
defined('_JEXEC') or die('Restricted access');
/**
* A utility class to help deal with file types
*
* @package Attachments
*/
class AttachmentsFileTypes {
/** Array of lookups for icon filename given a filename extension */
static $attachments_icon_from_file_extension =
Array( 'aif' => 'music.gif',
'aiff' => 'music.gif',
'avi' => 'video.gif',
'bmp' => 'image.gif',
'bz2' => 'archive.gif',
'c' => 'c.gif',
'c++' => 'cpp.gif',
'cab' => 'zip.gif',
'cc' => 'cpp.gif',
'cpp' => 'cpp.gif',
'css' => 'css.gif',
'csv' => 'csv.gif',
'doc' => 'word.gif',
'docx' => 'wordx.gif',
'eps' => 'eps.gif',
'gif' => 'image.gif',
'gz' => 'archive.gif',
'h' => 'h.gif',
'iv' => '3d.gif',
'jpg' => 'image.gif',
'js' => 'js.gif',
'midi' => 'midi.gif',
'mov' => 'mov.gif',
'mp3' => 'music.gif',
'mpeg' => 'video.gif',
'mpg' => 'video.gif',
'odg' => 'oo-draw.gif',
'odp' => 'oo-impress.gif',
'ods' => 'oo-calc.gif',
'odt' => 'oo-write.gif',
'pdf' => 'pdf.gif',
'php' => 'php.gif',
'png' => 'image.gif',
'pps' => 'ppt.gif',
'ppt' => 'ppt.gif',
'pptx' => 'pptx.gif',
'ps' => 'ps.gif',
'ra' => 'audio.gif',
'ram' => 'audio.gif',
'rar' => 'archive.gif',
'rtf' => 'rtf.gif',
'sql' => 'sql.gif',
'swf' => 'flash.gif',
'tar' => 'archive.gif',
'txt' => 'text.gif',
'vcf' => 'vcard.gif',
'vrml' => '3d.gif',
'wav' => 'audio.gif',
'wma' => 'music.gif',
'wmv' => 'video.gif',
'wrl' => '3d.gif',
'xls' => 'excel.gif',
'xlsx' => 'excelx.gif',
'xml' => 'xml.gif',
'zip' => 'zip.gif',
// Artificial
'_generic' => 'generic.gif',
'_link' => 'link.gif',
);
/** Array of lookups for icon filename from mime type */
static $attachments_icon_from_mime_type =
Array( 'application/bzip2' => 'archive.gif',
'application/excel' => 'excel.gif',
'application/msword' => 'word.gif',
'application/pdf' => 'pdf.gif',
'application/postscript' => 'ps.gif',
'application/powerpoint' => 'ppt.gif',
'application/vnd.ms-cab-compressed' => 'zip.gif',
'application/vnd.ms-excel' => 'excel.gif',
'application/vnd.ms-powerpoint' => 'ppt.gif',
'application/vnd.ms-pps' => 'ppt.gif',
'application/vnd.ms-word' => 'word.gif',
'application/vnd.oasis.opendocument.graphics' => 'oo-draw.gif',
'application/vnd.oasis.opendocument.presentation' => 'oo-impress.gif',
'application/vnd.oasis.opendocument.spreadsheet' => 'oo-calc.gif',
'application/vnd.oasis.opendocument.text' => 'oo-write.gif',
'application/vnd.openxmlformats' => 'xml.gif',
'application/vnd.openxmlformats-officedocument.presentationml.presentation' => 'pptx.gif',
'application/vnd.openxmlformats-officedocument.presentationml.slideshow' => 'ppt.gif',
'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' => 'xlsx.gif',
'application/vnd.openxmlformats-officedocument.wordprocessingml.document' => 'wordx.gif',
'application/x-bz2' => 'archive.gif',
'application/x-gzip' => 'archive.gif',
'application/x-javascript' => 'js.gif',
'application/x-midi' => 'midi.gif',
'application/x-shockwave-flash' => 'flash.gif',
'application/x-rar-compressed' => 'archive.gif',
'application/x-tar' => 'archive.gif',
'application/x-vrml' => '3d.gif',
'application/x-zip' => 'zip.gif',
'application/xml' => 'xml.gif',
'audio/mpeg' => 'music.gif',
'audio/x-aiff' => 'music.gif',
'audio/x-ms-wma' => 'music.gif',
'audio/x-pn-realaudio' => 'audio.gif',
'audio/x-wav' => 'audio.gif',
'image/bmp' => 'image.gif',
'image/gif' => 'image.gif',
'image/jpeg' => 'image.gif',
'image/png' => 'image.gif',
'model/vrml' => '3d.gif',
'text/css' => 'css.gif',
'text/html' => 'generic.gif',
'text/plain' => 'text.gif',
'text/rtf' => 'rtf.gif',
'text/x-vcard' => 'vcard.gif',
'video/mpeg' => 'video.gif',
'video/quicktime' => 'mov.gif',
'video/x-ms-wmv' => 'video.gif',
'video/x-msvideo' => 'video.gif',
// Artificial
'link/generic' => 'generic.gif',
'link/unknown' => 'link.gif'
);
/** Array of lookups for mime type from filename extension */
static $attachments_mime_type_from_extension =
Array( 'aif' => 'audio/x-aiff',
'aiff' => 'audio/x-aiff',
'avi' => 'video/x-msvideo',
'bmp' => 'image/bmp',
'bz2' => 'application/x-bz2',
'c' => 'text/plain',
'c++' => 'text/plain',
'cab' => 'application/vnd.ms-cab-compressed',
'cc' => 'text/plain',
'cpp' => 'text/plain',
'css' => 'text/css',
'csv' => 'text/csv',
'doc' => 'application/msword',
'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'eps' => 'application/postscript',
'gif' => 'image/gif',
'gz' => 'application/x-gzip',
'h' => 'text/plain',
'iv' => 'graphics/x-inventor',
'jpg' => 'image/jpeg',
'js' => 'application/x-javascript',
'midi' => 'application/x-midi',
'mov' => 'video/quicktime',
'mp3' => 'audio/mpeg',
'mpeg' => 'audio/mpeg',
'mpg' => 'audio/mpeg',
'odg' => 'application/vnd.oasis.opendocument.graphics',
'odp' => 'application/vnd.oasis.opendocument.presentation',
'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
'odt' => 'application/vnd.oasis.opendocument.text',
'pdf' => 'application/pdf',
'php' => 'text/plain',
'png' => 'image/png',
'pps' => 'application/vnd.ms-powerpoint',
'ppt' => 'application/vnd.ms-powerpoint',
'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
'ps' => 'application/postscript',
'ra' => 'audio/x-pn-realaudio',
'ram' => 'audio/x-pn-realaudio',
'rar' => 'application/x-rar-compressed',
'rtf' => 'application/rtf',
'sql' => 'text/plain',
'swf' => 'application/x-shockwave-flash',
'tar' => 'application/x-tar',
'txt' => 'text/plain',
'vcf' => 'text/x-vcard',
'vrml' => 'application/x-vrml',
'wav' => 'audio/x-wav',
'wma' => 'audio/x-ms-wma',
'wmv' => 'video/x-ms-wmv',
'wrl' => 'x-world/x-vrml',
'xls' => 'application/vnd.ms-excel',
'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'xml' => 'application/xml',
'zip' => 'application/x-zip'
);
/** Array of known PDF mime types */
static $attachments_pdf_mime_types =
array('application/pdf',
'application/x-pdf',
'application/vnd.fdf',
'application/download',
'application/x-download',
'binary/octet-stream'
);
/**
* Get the icon filename for a specific filename (or mime type)
*
* @param string $filename the filename to check
* @param string $mime_type the MIME type to check (if the filename fails)
*
* @return the icon filename (or '' if none is found)
*/
public static function icon_filename($filename, $mime_type)
{
// Recognize some special cases first
if ( ($mime_type == 'link/unknown') OR ($mime_type == 'unknown') ) {
return 'link.gif';
}
if ( $mime_type == 'link/broken' ) {
return 'link_bad.gif';
}
if ( $filename ) {
// Make sure it is a real filename
if (strpos($filename, '.') === false) {
// Do not know any better, assume it is text
return 'text/plain';
}
$path_info = pathinfo($filename);
// Try the extension first
$extension = JString::strtolower($path_info['extension']);
if ( array_key_exists( $extension, AttachmentsFileTypes::$attachments_icon_from_file_extension ) ) {
$iconf = AttachmentsFileTypes::$attachments_icon_from_file_extension[$extension];
if ( JString::strlen($iconf) > 0 ) {
return $iconf;
}
}
}
else {
// Try the mime type
if ( array_key_exists( $mime_type, AttachmentsFileTypes::$attachments_icon_from_mime_type ) ) {
$iconf = AttachmentsFileTypes::$attachments_icon_from_mime_type[$mime_type];
if ( $iconf && (JString::strlen($iconf) > 0) ) {
return $iconf;
}
}
}
return '';
}
/**
* Get an array of unique icon filenames
*
* @return an array of unique icon filenames
*/
public static function unique_icon_filenames()
{
$vals = array_unique(array_values(AttachmentsFileTypes::$attachments_icon_from_file_extension));
sort($vals);
return $vals;
}
/**
* Get the mime type for a specific file
*
* @param string $filename the filename to check
*
* @return the mime type string
*/
public static function mime_type($filename)
{
$path_info = pathinfo($filename);
// Make sure it is a real filename
if (strpos($filename, '.') === false) {
return 'unknown';
}
// Try the extension first
$extension = strtolower($path_info['extension']);
if ( array_key_exists($extension, AttachmentsFileTypes::$attachments_mime_type_from_extension) ) {
$mime_type = AttachmentsFileTypes::$attachments_mime_type_from_extension[$extension];
if ( strlen($mime_type) > 0 )
return $mime_type;
}
return false;
}
}