+ /** improves a mime type using the file extension. Some file formats are very generic,
+ * so their mime type is not very meaningful. A more useful mime type can be derived
+ * by looking at the file extension. Typically, this method would be called on the
+ * result of guessMimeType().
+ *
+ * Currently, this method does the following:
+ *
+ * If $mime is "unknown/unknown" and isRecognizableExtension( $ext ) returns false,
+ * return the result of guessTypesForExtension($ext).
+ *
+ * If $mime is "application/x-opc+zip" and isMatchingExtension( $ext, $mime )
+ * gives true, return the result of guessTypesForExtension($ext).
+ *
+ * @param $mime String: the mime type, typically guessed from a file's content.
+ * @param $ext String: the file extension, as taken from the file name
+ *
+ * @return string the mime type
+ */
+ function improveTypeFromExtension( $mime, $ext ) {
+ if ( $mime === "unknown/unknown" ) {
+ if( $this->isRecognizableExtension( $ext ) ) {
+ wfDebug( __METHOD__. ": refusing to guess mime type for .$ext file, " .
+ "we should have recognized it\n" );
+ } else {
+ /* Not something we can detect, so simply
+ * trust the file extension */
+ $mime = $this->guessTypesForExtension( $ext );
+ }
+ }
+ else if ( $mime === "application/x-opc+zip" ) {
+ if ( $this->isMatchingExtension( $ext, $mime ) ) {
+ /* A known file extension for an OPC file,
+ * find the proper mime type for that file extension */
+ $mime = $this->guessTypesForExtension( $ext );
+ } else {
+ wfDebug( __METHOD__. ": refusing to guess better type for $mime file, " .
+ ".$ext is not a known OPC extension.\n" );
+ $mime = "application/zip";
+ }
+ }
+
+ if ( isset( $this->mMimeTypeAliases[$mime] ) ) {
+ $mime = $this->mMimeTypeAliases[$mime];
+ }
dépôts / lhc / web / wiklou.git / blobdiff