Font Library: remove "has_font_mime_type" function (#57364)

* Remove usage of has_font_mime_type function

* Remove definition of has_font_mime_type function

* Remove test cases for has_font_mime_type

lib/experimental/fonts/font-library/class-wp-font-family-utils.php

@@ -76,21 +76,6 @@ public static function merge_fonts_data( $font1, $font2 ) {
 		return $merged_font;
 	}
 
-	/**
-	 * Returns whether the given file has a font MIME type.
-	 *
-	 * @since 6.5.0
-	 *
-	 * @param string $filepath The file to check.
-	 * @return bool True if the file has a font MIME type, false otherwise.
-	 */
-	public static function has_font_mime_type( $filepath ) {
-		$allowed_mime_types = WP_Font_Library::get_expected_font_mime_types_per_php_version();
-		$filetype           = wp_check_filetype( $filepath, $allowed_mime_types );
-
-		return in_array( $filetype['type'], $allowed_mime_types, true );
-	}
-
 	/**
 	 * Format font family to make it valid CSS.
 	 *

lib/experimental/fonts/font-library/class-wp-font-family.php

@@ -202,11 +202,6 @@ private function get_upload_overrides( $filename ) {
 	 *                     False if the download failed.
 	 */
 	private function download_asset( $url, $filename ) {
-		// Checks if the file to be downloaded has a font mime type.
-		if ( ! WP_Font_Family_Utils::has_font_mime_type( $filename ) ) {
-			return false;
-		}
-
 		// Include file with download_url() if function doesn't exist.
 		if ( ! function_exists( 'download_url' ) ) {
 			require_once ABSPATH . 'wp-admin/includes/file.php';
@@ -263,12 +258,6 @@ private function move_font_face_asset( $font_face, $file ) {
 		// because it is no longer needed.
 		unset( $new_font_face['uploadedFile'] );
 
-		// If the filename has no font mime type, don't move the file and
-		// return the font face definition without src to be ignored later.
-		if ( ! WP_Font_Family_Utils::has_font_mime_type( $filename ) ) {
-			return $new_font_face;
-		}
-
 		// Move the uploaded font asset from the temp folder to the fonts directory.
 		if ( ! function_exists( 'wp_handle_upload' ) ) {
 			require_once ABSPATH . 'wp-admin/includes/file.php';