<?php
-/** Module defining helper functions for detecting and dealing with mime types.
+/**
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
- * @package MediaWiki
- */
-
- /** Defines a set of well known mime types
- * This is used as a fallback to mime.types files.
- * An extensive list of well known mime types is provided by
- * the file mime.types in the includes directory.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
*/
-define('MM_WELL_KNOWN_MIME_TYPES',<<<END_STRING
-application/ogg ogg ogm
-application/pdf pdf
-application/x-javascript js
-application/x-shockwave-flash swf
-audio/midi mid midi kar
-audio/mpeg mpga mpa mp2 mp3
-audio/x-aiff aif aiff aifc
-audio/x-wav wav
-audio/ogg ogg
-image/x-bmp bmp
-image/gif gif
-image/jpeg jpeg jpg jpe
-image/png png
-image/svg+xml svg
-image/tiff tiff tif
-text/plain txt
-text/html html htm
-video/ogg ogm ogg
-video/mpeg mpg mpeg
-END_STRING
-);
+use MediaWiki\MediaWikiServices;
+use Wikimedia\Assert\Assert;
- /** Defines a set of well known mime info entries
- * This is used as a fallback to mime.info files.
- * An extensive list of well known mime types is provided by
- * the file mime.info in the includes directory.
+/**
+ * @deprecated since 1.29
+ * MimeAnalyzer should be used instead of MimeMagic
*/
-define('MM_WELL_KNOWN_MIME_INFO', <<<END_STRING
-application/pdf [OFFICE]
-text/javascript application/x-javascript [EXECUTABLE]
-application/x-shockwave-flash [MULTIMEDIA]
-audio/midi [AUDIO]
-audio/x-aiff [AUDIO]
-audio/x-wav [AUDIO]
-audio/mp3 audio/mpeg [AUDIO]
-application/ogg audio/ogg video/ogg [MULTIMEDIA]
-image/x-bmp image/bmp [BITMAP]
-image/gif [BITMAP]
-image/jpeg [BITMAP]
-image/png [BITMAP]
-image/svg image/svg+xml [DRAWING]
-image/tiff [BITMAP]
-text/plain [TEXT]
-text/html [TEXT]
-video/ogg [VIDEO]
-video/mpeg [VIDEO]
-unknown/unknown application/octet-stream application/x-empty [UNKNOWN]
-END_STRING
-);
-
-#note: because this file is possibly included by a function,
-#we need to access the global scope explicitely!
-global $wgLoadFileinfoExtension;
-
-if ($wgLoadFileinfoExtension) {
- if(!extension_loaded('fileinfo')) dl('fileinfo.' . PHP_SHLIB_SUFFIX);
-}
-
-/** Implements functions related to mime types such as detection and mapping to
-* file extension,
-*
-* Instances of this class are stateles, there only needs to be one global instance
-* of MimeMagic. Please use wfGetMimeMagic to get that instance.
-* @package MediaWiki
-*/
-class MimeMagic {
-
- /**
- * Mapping of media types to arrays of mime types.
- * This is used by findMediaType and getMediaType, respectively
- */
- var $mMediaTypes= NULL;
-
- /** Map of mime type aliases
- */
- var $mMimeTypeAliases= NULL;
-
- /** map of mime types to file extensions (as a space seprarated list)
- */
- var $mMimeToExt= NULL;
-
- /** map of file extensions types to mime types (as a space seprarated list)
- */
- var $mExtToMime= NULL;
-
- /** Initializes the MimeMagic object. This is called by wfGetMimeMagic when instantiation
- * the global MimeMagic singleton object.
- *
- * This constructor parses the mime.types and mime.info files and build internal mappings.
- */
- function MimeMagic() {
- /*
- * --- load mime.types ---
- */
-
- global $wgMimeTypeFile;
-
- $types= MM_WELL_KNOWN_MIME_TYPES;
-
- if ($wgMimeTypeFile) {
- if (is_file($wgMimeTypeFile) and is_readable($wgMimeTypeFile)) {
- wfDebug("MimeMagic::MimeMagic: loading mime types from $wgMimeTypeFile\n");
-
- $types.= "\n";
- $types.= file_get_contents($wgMimeTypeFile);
- }
- else wfDebug("MimeMagic::MimeMagic: can't load mime types from $wgMimeTypeFile\n");
- }
- else wfDebug("MimeMagic::MimeMagic: no mime types file defined, using build-ins only.\n");
-
- $types= str_replace(array("\r\n","\n\r","\n\n","\r\r","\r"),"\n",$types);
- $types= str_replace("\t"," ",$types);
-
- $this->mMimeToExt= array();
- $this->mToMime= array();
-
- $lines= explode("\n",$types);
- foreach ($lines as $s) {
- $s= trim($s);
- if (empty($s)) continue;
- if (strpos($s,'#')===0) continue;
-
- $s= strtolower($s);
- $i= strpos($s,' ');
-
- if ($i===false) continue;
-
- #print "processing MIME line $s<br>";
-
- $mime= substr($s,0,$i);
- $ext= trim(substr($s,$i+1));
-
- if (empty($ext)) continue;
-
- if (@$this->mMimeToExt[$mime]) $this->mMimeToExt[$mime] .= ' '.$ext;
- else $this->mMimeToExt[$mime]= $ext;
-
- $extensions= explode(' ',$ext);
-
- foreach ($extensions as $e) {
- $e= trim($e);
- if (empty($e)) continue;
-
- if (@$this->mExtToMime[$e]) $this->mExtToMime[$e] .= ' '.$mime;
- else $this->mExtToMime[$e]= $mime;
- }
- }
-
- /*
- * --- load mime.info ---
- */
-
- global $wgMimeInfoFile;
-
- $info= MM_WELL_KNOWN_MIME_INFO;
-
- if ($wgMimeInfoFile) {
- if (is_file($wgMimeInfoFile) and is_readable($wgMimeInfoFile)) {
- wfDebug("MimeMagic::MimeMagic: loading mime info from $wgMimeInfoFile\n");
-
- $info.= "\n";
- $info.= file_get_contents($wgMimeInfoFile);
- }
- else wfDebug("MimeMagic::MimeMagic: can't load mime info from $wgMimeInfoFile\n");
- }
- else wfDebug("MimeMagic::MimeMagic: no mime info file defined, using build-ins only.\n");
-
- $info= str_replace(array("\r\n","\n\r","\n\n","\r\r","\r"),"\n",$info);
- $info= str_replace("\t"," ",$info);
-
- $this->mMimeTypeAliases= array();
- $this->mMediaTypes= array();
-
- $lines= explode("\n",$info);
- foreach ($lines as $s) {
- $s= trim($s);
- if (empty($s)) continue;
- if (strpos($s,'#')===0) continue;
-
- $s= strtolower($s);
- $i= strpos($s,' ');
-
- if ($i===false) continue;
-
- #print "processing MIME INFO line $s<br>";
-
- $match= array();
- if (preg_match('!\[\s*(\w+)\s*\]!',$s,$match)) {
- $s= preg_replace('!\[\s*(\w+)\s*\]!','',$s);
- $mtype= trim(strtoupper($match[1]));
- }
- else $mtype= MEDIATYPE_UNKNOWN;
-
- $m= explode(' ',$s);
-
- if (!isset($this->mMediaTypes[$mtype])) $this->mMediaTypes[$mtype]= array();
-
- foreach ($m as $mime) {
- $mime= trim($mime);
- if (empty($mime)) continue;
-
- $this->mMediaTypes[$mtype][]= $mime;
- }
-
- if (sizeof($m)>1) {
- $main= $m[0];
- for ($i=1; $i<sizeof($m); $i+= 1) {
- $mime= $m[$i];
- $this->mMimeTypeAliases[$mime]= $main;
- }
- }
- }
-
- }
-
- /** returns a list of file extensions for a given mime type
- * as a space separated string.
- */
- function getExtensionsForType($mime) {
- $mime= strtolower($mime);
-
- $r= @$this->mMimeToExt[$mime];
-
- if (@!$r and isset($this->mMimeTypeAliases[$mime])) {
- $mime= $this->mMimeTypeAliases[$mime];
- $r= @$this->mMimeToExt[$mime];
- }
-
- return $r;
- }
-
- /** returns a list of mime types for a given file extension
- * as a space separated string.
- */
- function getTypesForExtension($ext) {
- $ext= strtolower($ext);
-
- $r= @$this->mExtToMime[$ext];
- return $r;
- }
-
- /** returns a single mime type for a given file extension.
- * This is always the first type from the list returned by getTypesForExtension($ext).
- */
- function guessTypesForExtension($ext) {
- $m= $this->getTypesForExtension( $ext );
- if( is_null($m) ) return NULL;
-
- $m= trim( $m );
- $m= preg_replace('/\s.*$/','',$m);
-
- return $m;
- }
-
-
- /** tests if the extension matches the given mime type.
- * returns true if a match was found, NULL if the mime type is unknown,
- * and false if the mime type is known but no matches where found.
- */
- function isMatchingExtension($extension,$mime) {
- $ext= $this->getExtensionsForType($mime);
-
- if (!$ext) {
- return NULL; //unknown
- }
-
- $ext= explode(' ',$ext);
-
- $extension= strtolower($extension);
- if (in_array($extension,$ext)) {
- return true;
- }
-
- return false;
- }
-
- /** returns true if the mime type is known to represent
- * an image format supported by the PHP GD library.
- */
- function isPHPImageType( $mime ) {
- #as defined by imagegetsize and image_type_to_mime
- static $types = array(
- 'image/gif', 'image/jpeg', 'image/png',
- 'image/x-bmp', 'image/xbm', 'image/tiff',
- 'image/jp2', 'image/jpeg2000', 'image/iff',
- 'image/xbm', 'image/x-xbitmap',
- 'image/vnd.wap.wbmp', 'image/vnd.xiff',
- 'image/x-photoshop',
- 'application/x-shockwave-flash',
- );
-
- return in_array( $mime, $types );
- }
-
+class MimeMagic extends MimeAnalyzer {
/**
- * Returns true if the extension represents a type which can
- * be reliably detected from its content. Use this to determine
- * whether strict content checks should be applied to reject
- * invalid uploads; if we can't identify the type we won't
- * be able to say if it's invalid.
- *
- * @todo Be more accurate when using fancy mime detector plugins;
- * right now this is the bare minimum getimagesize() list.
- * @return bool
+ * Get an instance of this class
+ * @return MimeMagic
+ * @deprecated since 1.28 get a MimeAnalyzer instance from MediaWikiServices
*/
- function isRecognizableExtension( $extension ) {
- static $types = array(
- 'gif', 'jpeg', 'jpg', 'png', 'swf', 'psd',
- 'bmp', 'tiff', 'tif', 'jpc', 'jp2',
- 'jpx', 'jb2', 'swc', 'iff', 'wbmp',
- 'xbm'
+ public static function singleton() {
+ // XXX: We know that the MimeAnalyzer is currently an instance of MimeMagic
+ $instance = MediaWikiServices::getInstance()->getMimeAnalyzer();
+ Assert::postcondition(
+ $instance instanceof MimeMagic,
+ __METHOD__ . ' should return an instance of ' . self::class
);
- return in_array( strtolower( $extension ), $types );
- }
-
-
- /** mime type detection. This uses detectMimeType to detect the mim type of the file,
- * but applies additional checks to determine some well known file formats that may be missed
- * or misinterpreter by the default mime detection (namely xml based formats like XHTML or SVG).
- *
- * @param string $file The file to check
- * @param bool $useExt switch for allowing to use the file extension to guess the mime type. true by default.
- *
- * @return string the mime type of $file
- */
- function guessMimeType( $file, $useExt=true ) {
- $fname = 'MimeMagic::guessMimeType';
- $mime= $this->detectMimeType($file,$useExt);
-
- // Read a chunk of the file
- $f = fopen( $file, "rt" );
- if( !$f ) return "unknown/unknown";
- $head = fread( $f, 1024 );
- fclose( $f );
-
- $sub4 = substr( $head, 0, 4 );
- if ( $sub4 == "\x01\x00\x09\x00" || $sub4 == "\xd7\xcd\xc6\x9a" ) {
- // WMF kill kill kill
- // Note that WMF may have a bare header, no magic number.
- // The former of the above two checks is theoretically prone to false positives
- $mime = "application/x-msmetafile";
- }
-
- if (strpos($mime,"text/")===0 || $mime==="application/xml") {
-
- $xml_type= NULL;
- $script_type= NULL;
-
- /*
- * look for XML formats (XHTML and SVG)
- */
- if ($mime==="text/sgml" ||
- $mime==="text/plain" ||
- $mime==="text/html" ||
- $mime==="text/xml" ||
- $mime==="application/xml") {
-
- if (substr($head,0,5)=="<?xml") $xml_type= "ASCII";
- elseif (substr($head,0,8)=="\xef\xbb\xbf<?xml") $xml_type= "UTF-8";
- elseif (substr($head,0,10)=="\xfe\xff\x00<\x00?\x00x\x00m\x00l") $xml_type= "UTF-16BE";
- elseif (substr($head,0,10)=="\xff\xfe<\x00?\x00x\x00m\x00l\x00") $xml_type= "UTF-16LE";
-
- if ($xml_type) {
- if ($xml_type!=="UTF-8" && $xml_type!=="ASCII") $head= iconv($xml_type,"ASCII//IGNORE",$head);
-
- $match= array();
- $doctype= "";
- $tag= "";
-
- if (preg_match('%<!DOCTYPE\s+[\w-]+\s+PUBLIC\s+["'."'".'"](.*?)["'."'".'"].*>%sim',$head,$match)) $doctype= $match[1];
- if (preg_match('%<(\w+).*>%sim',$head,$match)) $tag= $match[1];
-
- #print "<br>ANALYSING $file ($mime): doctype= $doctype; tag= $tag<br>";
-
- if (strpos($doctype,"-//W3C//DTD SVG")===0) $mime= "image/svg";
- elseif ($tag==="svg") $mime= "image/svg";
- elseif (strpos($doctype,"-//W3C//DTD XHTML")===0) $mime= "text/html";
- elseif ($tag==="html") $mime= "text/html";
-
- $test_more= false;
- }
- }
-
- /*
- * look for shell scripts
- */
- if (!$xml_type) {
- $script_type= NULL;
-
- #detect by shebang
- if (substr($head,0,2)=="#!") $script_type= "ASCII";
- elseif (substr($head,0,5)=="\xef\xbb\xbf#!") $script_type= "UTF-8";
- elseif (substr($head,0,7)=="\xfe\xff\x00#\x00!") $script_type= "UTF-16BE";
- elseif (substr($head,0,7)=="\xff\xfe#\x00!") $script_type= "UTF-16LE";
-
- if ($script_type) {
- if ($script_type!=="UTF-8" && $script_type!=="ASCII") $head= iconv($script_type,"ASCII//IGNORE",$head);
-
- $match= array();
- $prog= "";
-
- if (preg_match('%/?([^\s]+/)(w+)%sim',$head,$match)) $script= $match[2];
-
- $mime= "application/x-$prog";
- }
- }
-
- /*
- * look for PHP
- */
- if( !$xml_type && !$script_type ) {
-
- if( ( strpos( $head, '<?php' ) !== false ) ||
- ( strpos( $head, '<? ' ) !== false ) ||
- ( strpos( $head, "<?\n" ) !== false ) ||
- ( strpos( $head, "<?\t" ) !== false ) ||
- ( strpos( $head, "<?=" ) !== false ) ||
-
- ( strpos( $head, "<\x00?\x00p\x00h\x00p" ) !== false ) ||
- ( strpos( $head, "<\x00?\x00 " ) !== false ) ||
- ( strpos( $head, "<\x00?\x00\n" ) !== false ) ||
- ( strpos( $head, "<\x00?\x00\t" ) !== false ) ||
- ( strpos( $head, "<\x00?\x00=" ) !== false ) ) {
-
- $mime= "application/x-php";
- }
- }
-
- }
-
- if (isset($this->mMimeTypeAliases[$mime])) $mime= $this->mMimeTypeAliases[$mime];
-
- wfDebug("$fname: final mime type of $file: $mime\n");
- return $mime;
- }
-
- /** Internal mime type detection, please use guessMimeType() for application code instead.
- * Detection is done using an external program, if $wgMimeDetectorCommand is set.
- * Otherwise, the fileinfo extension and mime_content_type are tried (in this order), if they are available.
- * If the dections fails and $useExt is true, the mime type is guessed from the file extension, using guessTypesForExtension.
- * If the mime type is still unknown, getimagesize is used to detect the mime type if the file is an image.
- * If no mime type can be determined, this function returns "unknown/unknown".
- *
- * @param string $file The file to check
- * @param bool $useExt switch for allowing to use the file extension to guess the mime type. true by default.
- *
- * @return string the mime type of $file
- * @private
- */
- function detectMimeType( $file, $useExt=true ) {
- $fname = 'MimeMagic::detectMimeType';
-
- global $wgMimeDetectorCommand;
-
- $m= NULL;
- if ($wgMimeDetectorCommand) {
- $fn= wfEscapeShellArg($file);
- $m= `$wgMimeDetectorCommand $fn`;
- }
- else if (function_exists("finfo_open") && function_exists("finfo_file")) {
-
- # This required the fileinfo extension by PECL,
- # see http://pecl.php.net/package/fileinfo
- # This must be compiled into PHP
- #
- # finfo is the official replacement for the deprecated
- # mime_content_type function, see below.
- #
- # If you may need to load the fileinfo extension at runtime, set
- # $wgLoadFileinfoExtension in LocalSettings.php
-
- $mime_magic_resource = finfo_open(FILEINFO_MIME); /* return mime type ala mimetype extension */
-
- if ($mime_magic_resource) {
- $m= finfo_file($mime_magic_resource, $file);
-
- finfo_close($mime_magic_resource);
- }
- else wfDebug("$fname: finfo_open failed on ".FILEINFO_MIME."!\n");
- }
- else if (function_exists("mime_content_type")) {
-
- # NOTE: this function is available since PHP 4.3.0, but only if
- # PHP was compiled with --with-mime-magic or, before 4.3.2, with --enable-mime-magic.
- #
- # On Winodws, you must set mime_magic.magicfile in php.ini to point to the mime.magic file bundeled with PHP;
- # sometimes, this may even be needed under linus/unix.
- #
- # Also note that this has been DEPRECATED in favor of the fileinfo extension by PECL, see above.
- # see http://www.php.net/manual/en/ref.mime-magic.php for details.
-
- $m= mime_content_type($file);
- }
- else wfDebug("$fname: no magic mime detector found!\n");
-
- if ($m) {
- #normalize
- $m= preg_replace('![;, ].*$!','',$m); #strip charset, etc
- $m= trim($m);
- $m= strtolower($m);
-
- if (strpos($m,'unknown')!==false) $m= NULL;
- else {
- wfDebug("$fname: magic mime type of $file: $m\n");
- return $m;
- }
- }
-
- #if still not known, use getimagesize to find out the type of image
- #TODO: skip things that do not have a well-known image extension? Would that be safe?
- wfSuppressWarnings();
- $gis = getimagesize( $file );
- wfRestoreWarnings();
-
- $notAnImage= false;
-
- if ($gis && is_array($gis) && $gis[2]) {
- switch ($gis[2]) {
- case IMAGETYPE_GIF: $m= "image/gif"; break;
- case IMAGETYPE_JPEG: $m= "image/jpeg"; break;
- case IMAGETYPE_PNG: $m= "image/png"; break;
- case IMAGETYPE_SWF: $m= "application/x-shockwave-flash"; break;
- case IMAGETYPE_PSD: $m= "application/photoshop"; break;
- case IMAGETYPE_BMP: $m= "image/bmp"; break;
- case IMAGETYPE_TIFF_II: $m= "image/tiff"; break;
- case IMAGETYPE_TIFF_MM: $m= "image/tiff"; break;
- case IMAGETYPE_JPC: $m= "image"; break;
- case IMAGETYPE_JP2: $m= "image/jpeg2000"; break;
- case IMAGETYPE_JPX: $m= "image/jpeg2000"; break;
- case IMAGETYPE_JB2: $m= "image"; break;
- case IMAGETYPE_SWC: $m= "application/x-shockwave-flash"; break;
- case IMAGETYPE_IFF: $m= "image/vnd.xiff"; break;
- case IMAGETYPE_WBMP: $m= "image/vnd.wap.wbmp"; break;
- case IMAGETYPE_XBM: $m= "image/x-xbitmap"; break;
- }
-
- if ($m) {
- wfDebug("$fname: image mime type of $file: $m\n");
- return $m;
- }
- else $notAnImage= true;
- }
-
- #if desired, look at extension as a fallback.
- if ($useExt) {
- $i = strrpos( $file, '.' );
- $e= strtolower( $i ? substr( $file, $i + 1 ) : '' );
-
- $m= $this->guessTypesForExtension($e);
-
- #TODO: if $notAnImage is set, do not trust the file extension if
- # the results is one of the image types that should have been recognized
- # by getimagesize
-
- if ($m) {
- wfDebug("$fname: extension mime type of $file: $m\n");
- return $m;
- }
- }
-
- #unknown type
- wfDebug("$fname: failed to guess mime type for $file!\n");
- return "unknown/unknown";
- }
-
- /**
- * Determine the media type code for a file, using its mime type, name and possibly
- * its contents.
- *
- * This function relies on the findMediaType(), mapping extensions and mime
- * types to media types.
- *
- * @todo analyse file if need be
- * @todo look at multiple extension, separately and together.
- *
- * @param string $path full path to the image file, in case we have to look at the contents
- * (if null, only the mime type is used to determine the media type code).
- * @param string $mime mime type. If null it will be guessed using guessMimeType.
- *
- * @return (int?string?) a value to be used with the MEDIATYPE_xxx constants.
- */
- function getMediaType($path=NULL,$mime=NULL) {
- if( !$mime && !$path ) return MEDIATYPE_UNKNOWN;
-
- #if mime type is unknown, guess it
- if( !$mime ) $mime= $this->guessMimeType($path,false);
-
- #special code for ogg - detect if it's video (theora),
- #else label it as sound.
- if( $mime=="application/ogg" && file_exists($path) ) {
-
- // Read a chunk of the file
- $f = fopen( $path, "rt" );
- if( !$f ) return MEDIATYPE_UNKNOWN;
- $head = fread( $f, 256 );
- fclose( $f );
-
- $head= strtolower( $head );
-
- #This is an UGLY HACK, file should be parsed correctly
- if( strpos($head,'theora')!==false ) return MEDIATYPE_VIDEO;
- elseif( strpos($head,'vorbis')!==false ) return MEDIATYPE_AUDIO;
- elseif( strpos($head,'flac')!==false ) return MEDIATYPE_AUDIO;
- elseif( strpos($head,'speex')!==false ) return MEDIATYPE_AUDIO;
- else return MEDIATYPE_MULTIMEDIA;
- }
-
- #check for entry for full mime type
- if( $mime ) {
- $type= $this->findMediaType($mime);
- if( $type!==MEDIATYPE_UNKNOWN ) return $type;
- }
-
- #check for entry for file extension
- $e= NULL;
- if( $path ) {
- $i = strrpos( $path, '.' );
- $e= strtolower( $i ? substr( $path, $i + 1 ) : '' );
-
- #TODO: look at multi-extension if this fails, parse from full path
-
- $type= $this->findMediaType('.'.$e);
- if( $type!==MEDIATYPE_UNKNOWN ) return $type;
- }
-
- #check major mime type
- if( $mime ) {
- $i= strpos($mime,'/');
- if( $i !== false ) {
- $major= substr($mime,0,$i);
- $type= $this->findMediaType($major);
- if( $type!==MEDIATYPE_UNKNOWN ) return $type;
- }
- }
-
- if( !$type ) $type= MEDIATYPE_UNKNOWN;
-
- return $type;
- }
-
- /** returns a media code matching the given mime type or file extension.
- * File extensions are represented by a string starting with a dot (.) to
- * distinguish them from mime types.
- *
- * This funktion relies on the mapping defined by $this->mMediaTypes
- * @private
- */
- function findMediaType($extMime) {
-
- if (strpos($extMime,'.')===0) { #if it's an extension, look up the mime types
- $m= $this->getTypesForExtension(substr($extMime,1));
- if (!$m) return MEDIATYPE_UNKNOWN;
-
- $m= explode(' ',$m);
- }
- else { #normalize mime type
- if (isset($this->mMimeTypeAliases[$extMime])) {
- $extMime= $this->mMimeTypeAliases[$extMime];
- }
-
- $m= array($extMime);
- }
-
- foreach ($m as $mime) {
- foreach ($this->mMediaTypes as $type => $codes) {
- if (in_array($mime,$codes,true)) return $type;
- }
- }
-
- return MEDIATYPE_UNKNOWN;
+ return $instance;
}
}
-
-?>
scripts.mit.edu / autoinstalls / mediawiki.git / blobdiff