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+<?php
+/** Module defining helper functions for detecting and dealing with mime types.
+ *
+ * @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.
+ */
+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
+image/vnd.djvu djvu
+text/plain txt
+text/html html htm
+video/ogg ogm ogg
+video/mpeg mpg mpeg
+END_STRING
+);
+
+ /** 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.
+ */
+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]
+image/vnd.djvu [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 );
+ }
+
+ /**
+ * 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
+ */
+ function isRecognizableExtension( $extension ) {
+ static $types = array(
+ 'gif', 'jpeg', 'jpg', 'png', 'swf', 'psd',
+ 'bmp', 'tiff', 'tif', 'jpc', 'jp2',
+ 'jpx', 'jb2', 'swc', 'iff', 'wbmp',
+ 'xbm', 'djvu'
+ );
+ 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
+ * @access 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;
+ } else {
+ // Also test DjVu
+ $deja = new DjVuImage( $file );
+ if( $deja->isValid() ) {
+ wfDebug("$fname: detected $file as image/vnd.djvu\n");
+ return 'image/vnd.djvu';
+ }
+ }
+
+ #if desired, look at extension as a fallback.
+ if ($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 $this->mMediaTypes
+ * @access private
+ */
+ function findMediaType($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;
+ }
+}
+
+?>
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-22 21:12:26 +0000