<?php namespace Config;

/*
| -------------------------------------------------------------------
| MIME TYPES
| -------------------------------------------------------------------
| This file contains an array of mime types.  It is used by the
| Upload class to help identify allowed file types.
|
| When more than one variation for an extension exist (like jpg, jpeg, etc)
| the most common one should be first in the array to aid the guess*
| methods. The same applies when more than one mime-type exists for a
| single extension.
|
*/
class Mimes
{
	/**
	 * Map of extensions to mime types.
	 *
	 * @var array
	 */
	public static $mimes = [
		'hqx'   => [
			'application/mac-binhex40',
			'application/mac-binhex',
			'application/x-binhex40',
			'application/x-mac-binhex40',
		],
		'cpt'   => 'application/mac-compactpro',
		'csv'   => [
			'text/csv',
			'text/x-comma-separated-values',
			'text/comma-separated-values',
			'application/octet-stream',
			'application/vnd.ms-excel',
			'application/x-csv',
			'text/x-csv',
			'application/csv',
			'application/excel',
			'application/vnd.msexcel',
			'text/plain',
		],
		'bin'   => [
			'application/macbinary',
			'application/mac-binary',
			'application/octet-stream',
			'application/x-binary',
			'application/x-macbinary',
		],
		'dms'   => 'application/octet-stream',
		'lha'   => 'application/octet-stream',
		'lzh'   => 'application/octet-stream',
		'exe'   => ['application/octet-stream', 'application/x-msdownload'],
		'class' => 'application/octet-stream',
		'psd'   => ['application/x-photoshop', 'image/vnd.adobe.photoshop'],
		'so'    => 'application/octet-stream',
		'sea'   => 'application/octet-stream',
		'dll'   => 'application/octet-stream',
		'oda'   => 'application/oda',
		'pdf'   => ['application/pdf', 'application/force-download', 'application/x-download', 'binary/octet-stream'],
		'ai'    => ['application/pdf', 'application/postscript'],
		'eps'   => 'application/postscript',
		'ps'    => 'application/postscript',
		'smi'   => 'application/smil',
		'smil'  => 'application/smil',
		'mif'   => 'application/vnd.mif',
		'xls'   => [
			'application/vnd.ms-excel',
			'application/msexcel',
			'application/x-msexcel',
			'application/x-ms-excel',
			'application/x-excel',
			'application/x-dos_ms_excel',
			'application/xls',
			'application/x-xls',
			'application/excel',
			'application/download',
			'application/vnd.ms-office',
			'application/msword',
		],
		'ppt'   => [
			'application/vnd.ms-powerpoint',
			'application/powerpoint',
			'application/vnd.ms-office',
			'application/msword',
		],
		'pptx'  => [
			'application/vnd.openxmlformats-officedocument.presentationml.presentation',
			'application/x-zip',
			'application/zip',
		],
		'wbxml' => 'application/wbxml',
		'wmlc'  => 'application/wmlc',
		'dcr'   => 'application/x-director',
		'dir'   => 'application/x-director',
		'dxr'   => 'application/x-director',
		'dvi'   => 'application/x-dvi',
		'gtar'  => 'application/x-gtar',
		'gz'    => 'application/x-gzip',
		'gzip'  => 'application/x-gzip',
		'php'   => [
			'application/x-php',
			'application/x-httpd-php',
			'application/php',
			'text/php',
			'text/x-php',
			'application/x-httpd-php-source',
		],
		'php4'  => 'application/x-httpd-php',
		'php3'  => 'application/x-httpd-php',
		'phtml' => 'application/x-httpd-php',
		'phps'  => 'application/x-httpd-php-source',
		'js'    => ['application/x-javascript', 'text/plain'],
		'swf'   => 'application/x-shockwave-flash',
		'sit'   => 'application/x-stuffit',
		'tar'   => 'application/x-tar',
		'tgz'   => ['application/x-tar', 'application/x-gzip-compressed'],
		'z'     => 'application/x-compress',
		'xhtml' => 'application/xhtml+xml',
		'xht'   => 'application/xhtml+xml',
		'zip'   => [
			'application/x-zip',
			'application/zip',
			'application/x-zip-compressed',
			'application/s-compressed',
			'multipart/x-zip',
		],
		'rar'   => ['application/x-rar', 'application/rar', 'application/x-rar-compressed'],
		'mid'   => 'audio/midi',
		'midi'  => 'audio/midi',
		'mpga'  => 'audio/mpeg',
		'mp2'   => 'audio/mpeg',
		'mp3'   => ['audio/mpeg', 'audio/mpg', 'audio/mpeg3', 'audio/mp3'],
		'aif'   => ['audio/x-aiff', 'audio/aiff'],
		'aiff'  => ['audio/x-aiff', 'audio/aiff'],
		'aifc'  => 'audio/x-aiff',
		'ram'   => 'audio/x-pn-realaudio',
		'rm'    => 'audio/x-pn-realaudio',
		'rpm'   => 'audio/x-pn-realaudio-plugin',
		'ra'    => 'audio/x-realaudio',
		'rv'    => 'video/vnd.rn-realvideo',
		'wav'   => ['audio/x-wav', 'audio/wave', 'audio/wav'],
		'bmp'   => [
			'image/bmp',
			'image/x-bmp',
			'image/x-bitmap',
			'image/x-xbitmap',
			'image/x-win-bitmap',
			'image/x-windows-bmp',
			'image/ms-bmp',
			'image/x-ms-bmp',
			'application/bmp',
			'application/x-bmp',
			'application/x-win-bitmap',
		],
		'gif'   => 'image/gif',
		'jpg'   => ['image/jpeg', 'image/pjpeg'],
		'jpeg'  => ['image/jpeg', 'image/pjpeg'],
		'jpe'   => ['image/jpeg', 'image/pjpeg'],
		'jp2'   => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
		'j2k'   => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
		'jpf'   => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
		'jpg2'  => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
		'jpx'   => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
		'jpm'   => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
		'mj2'   => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
		'mjp2'  => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
		'png'   => ['image/png', 'image/x-png'],
		'tif'   => 'image/tiff',
		'tiff'  => 'image/tiff',
		'css'   => ['text/css', 'text/plain'],
		'html'  => ['text/html', 'text/plain'],
		'htm'   => ['text/html', 'text/plain'],
		'shtml' => ['text/html', 'text/plain'],
		'txt'   => 'text/plain',
		'text'  => 'text/plain',
		'log'   => ['text/plain', 'text/x-log'],
		'rtx'   => 'text/richtext',
		'rtf'   => 'text/rtf',
		'xml'   => ['application/xml', 'text/xml', 'text/plain'],
		'xsl'   => ['application/xml', 'text/xsl', 'text/xml'],
		'mpeg'  => 'video/mpeg',
		'mpg'   => 'video/mpeg',
		'mpe'   => 'video/mpeg',
		'qt'    => 'video/quicktime',
		'mov'   => 'video/quicktime',
		'avi'   => ['video/x-msvideo', 'video/msvideo', 'video/avi', 'application/x-troff-msvideo'],
		'movie' => 'video/x-sgi-movie',
		'doc'   => ['application/msword', 'application/vnd.ms-office'],
		'docx'  => [
			'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
			'application/zip',
			'application/msword',
			'application/x-zip',
		],
		'dot'   => ['application/msword', 'application/vnd.ms-office'],
		'dotx'  => [
			'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
			'application/zip',
			'application/msword',
		],
		'xlsx'  => [
			'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
			'application/zip',
			'application/vnd.ms-excel',
			'application/msword',
			'application/x-zip',
		],
		'word'  => ['application/msword', 'application/octet-stream'],
		'xl'    => 'application/excel',
		'eml'   => 'message/rfc822',
		'json'  => ['application/json', 'text/json'],
		'pem'   => ['application/x-x509-user-cert', 'application/x-pem-file', 'application/octet-stream'],
		'p10'   => ['application/x-pkcs10', 'application/pkcs10'],
		'p12'   => 'application/x-pkcs12',
		'p7a'   => 'application/x-pkcs7-signature',
		'p7c'   => ['application/pkcs7-mime', 'application/x-pkcs7-mime'],
		'p7m'   => ['application/pkcs7-mime', 'application/x-pkcs7-mime'],
		'p7r'   => 'application/x-pkcs7-certreqresp',
		'p7s'   => 'application/pkcs7-signature',
		'crt'   => ['application/x-x509-ca-cert', 'application/x-x509-user-cert', 'application/pkix-cert'],
		'crl'   => ['application/pkix-crl', 'application/pkcs-crl'],
		'der'   => 'application/x-x509-ca-cert',
		'kdb'   => 'application/octet-stream',
		'pgp'   => 'application/pgp',
		'gpg'   => 'application/gpg-keys',
		'sst'   => 'application/octet-stream',
		'csr'   => 'application/octet-stream',
		'rsa'   => 'application/x-pkcs7',
		'cer'   => ['application/pkix-cert', 'application/x-x509-ca-cert'],
		'3g2'   => 'video/3gpp2',
		'3gp'   => ['video/3gp', 'video/3gpp'],
		'mp4'   => 'video/mp4',
		'm4a'   => 'audio/x-m4a',
		'f4v'   => ['video/mp4', 'video/x-f4v'],
		'flv'   => 'video/x-flv',
		'webm'  => 'video/webm',
		'aac'   => 'audio/x-acc',
		'm4u'   => 'application/vnd.mpegurl',
		'm3u'   => 'text/plain',
		'xspf'  => 'application/xspf+xml',
		'vlc'   => 'application/videolan',
		'wmv'   => ['video/x-ms-wmv', 'video/x-ms-asf'],
		'au'    => 'audio/x-au',
		'ac3'   => 'audio/ac3',
		'flac'  => 'audio/x-flac',
		'ogg'   => ['audio/ogg', 'video/ogg', 'application/ogg'],
		'kmz'   => ['application/vnd.google-earth.kmz', 'application/zip', 'application/x-zip'],
		'kml'   => ['application/vnd.google-earth.kml+xml', 'application/xml', 'text/xml'],
		'ics'   => 'text/calendar',
		'ical'  => 'text/calendar',
		'zsh'   => 'text/x-scriptzsh',
		'7zip'  => ['application/x-compressed', 'application/x-zip-compressed', 'application/zip', 'multipart/x-zip'],
		'cdr'   => [
			'application/cdr',
			'application/coreldraw',
			'application/x-cdr',
			'application/x-coreldraw',
			'image/cdr',
			'image/x-cdr',
			'zz-application/zz-winassoc-cdr',
		],
		'wma'   => ['audio/x-ms-wma', 'video/x-ms-asf'],
		'jar'   => [
			'application/java-archive',
			'application/x-java-application',
			'application/x-jar',
			'application/x-compressed',
		],
		'svg'   => ['image/svg+xml', 'application/xml', 'text/xml'],
		'vcf'   => 'text/x-vcard',
		'srt'   => ['text/srt', 'text/plain'],
		'vtt'   => ['text/vtt', 'text/plain'],
		'ico'   => ['image/x-icon', 'image/x-ico', 'image/vnd.microsoft.icon'],
	];

	//--------------------------------------------------------------------

	/**
	 * Attempts to determine the best mime type for the given file extension.
	 *
	 * @param string $ext
	 *
	 * @return string|null The mime type found, or none if unable to determine.
	 */
	public static function guessTypeFromExtension(string $extension)
	{
		$extension = trim(strtolower($extension), '. ');

		if (! array_key_exists($extension, self::$mimes))
		{
			return null;
		}

		return is_array(self::$mimes[$extension]) ? self::$mimes[$extension][0] : self::$mimes[$extension];
	}

	//--------------------------------------------------------------------

	/**
	 * Attempts to determine the best file extension for a given mime type.
	 *
	 * @param string $type
	 *
	 * @return string|null The extension determined, or null if unable to match.
	 */
	public static function guessExtensionFromType(string $type)
	{
		$type = trim(strtolower($type), '. ');

		foreach (self::$mimes as $ext => $types)
		{
			if (is_string($types) && $types == $type)
			{
				return $ext;
			}
			else if (is_array($types) && in_array($type, $types))
			{
				return $ext;
			}
		}

		return null;
	}

	//--------------------------------------------------------------------


}
