elementor / core / files / uploads-manager.php

uploads-manager.php in Elementor Website Builder – more than just a page builder 4.1.5, at core/files/uploads-manager.php

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1	<?php
2	namespace Elementor\Core\Files;
3
4	use Elementor\Core\Base\Base_Object;
5	use Elementor\Core\Common\Modules\Ajax\Module as Ajax;
6	use Elementor\Core\Files\File_Types\Base as File_Type_Base;
7	use Elementor\Core\Files\File_Types\Json;
8	use Elementor\Core\Files\File_Types\Svg;
9	use Elementor\Core\Files\File_Types\Zip;
10	use Elementor\Core\Files\Fonts\Google_Font;
11	use Elementor\Core\Utils\Exceptions;
12	use Elementor\Fonts;
13	use Elementor\User;
14
15	if ( ! defined( 'ABSPATH' ) ) {
16	exit; // Exit if accessed directly.
17	}
18
19	/**
20	* Elementor uploads manager.
21	*
22	* Elementor uploads manager handler class is responsible for handling file uploads that are not done with WP Media.
23	*
24	* @since 3.3.0
25	*/
26	class Uploads_Manager extends Base_Object {
27
28	const UNFILTERED_FILE_UPLOADS_KEY = 'elementor_unfiltered_files_upload';
29	const INVALID_FILE_CONTENT = 'Invalid Content In File';
30	const ELEMENTOR_UPLOAD_DIR = 'elementor';
31
32	/**
33	* @var File_Type_Base[]
34	*/
35	private $file_type_handlers = [];
36
37	private $allowed_file_extensions;
38
39	/**
40	* @var bool
41	*/
42	private $is_elementor_upload = false;
43
44	/**
45	* @var string
46	*/
47	private $temp_dir;
48
49	/**
50	* Register File Types
51	*
52	* To Add a new file type to Elementor, with its own handling logic, you need to add it to the $file_types array here.
53	*
54	* @since 3.3.0
55	* @access public
56	*/
57	public function register_file_types() {
58	// All file types that have handlers should be included here.
59	$file_types = [
60	'json' => new Json(),
61	'zip' => new Zip(),
62	'svg' => new Svg(),
63	];
64
65	foreach ( $file_types as $file_type => $file_handler ) {
66	$this->file_type_handlers[ $file_type ] = $file_handler;
67	}
68	}
69
70	/**
71	* Extract and Validate Zip
72	*
73	* This method accepts a $file array (which minimally should include a 'tmp_name')
74	*
75	* @since 3.3.0
76	* @access public
77	*
78	* @param string $file_path
79	* @param array $allowed_file_types
80	* @return array\|\WP_Error
81	*/
82	public function extract_and_validate_zip( $file_path, $allowed_file_types = null ) {
83	$result = [];
84
85	/** @var Zip $zip_handler - File Type */
86	$zip_handler = $this->file_type_handlers['zip'];
87
88	// Returns an array of file paths.
89	$extracted = $zip_handler->extract( $file_path, $allowed_file_types );
90
91	if ( is_wp_error( $extracted ) ) {
92	return $extracted;
93	}
94
95	// If there are no extracted file names, no files passed the extraction validation.
96	if ( empty( $extracted['files'] ) ) {
97	// TODO: Decide what to do if no files passed the extraction validation
98	return new \WP_Error( 'file_error', self::INVALID_FILE_CONTENT );
99	}
100
101	$result['extraction_directory'] = $extracted['extraction_directory'];
102
103	foreach ( $extracted['files'] as $extracted_file_path ) {
104	// Each file is an array with a 'name' (file path) property.
105	if ( ! is_wp_error( $this->validate_file( [ 'tmp_name' => $extracted_file_path ] ) ) ) {
106	$result['files'][] = $extracted_file_path;
107	}
108	}
109
110	return $result;
111	}
112
113	/**
114	* Handle Elementor Upload
115	*
116	* This method receives a $file array. If the received file is a Base64 string, the $file array should include a
117	* 'fileData' property containing the string, which is decoded and has its contents stored in a temporary file.
118	* If the $file parameter passed is a standard $file array, the 'name' and 'tmp_name' properties are used for
119	* validation.
120	*
121	* The file goes through validation; if it passes validation, the file is returned. Otherwise, an error is returned.
122	*
123	* @since 3.3.0
124	* @access public
125	*
126	* @param array $data
127	* @param array $allowed_file_extensions Optional. an array of file types that are allowed to pass validation for each
128	* upload.
129	* @return array\|\WP_Error
130	*/
131	public function handle_elementor_upload( array $data, $allowed_file_extensions = null ) {
132	// If $file['fileData'] is set, it signals that the passed file is a Base64 string that needs to be decoded and
133	// saved to a temporary file.
134	if ( isset( $data['fileData'] ) ) {
135	$data = $this->save_base64_to_tmp_file( $data, $allowed_file_extensions );
136	}
137
138	if ( is_wp_error( $data ) ) {
139	return $data;
140	}
141
142	if ( ! isset( $data['fileData'] ) ) {
143	if ( empty( $data['tmp_name'] ) ) {
144	return new \WP_Error( 'file_error', esc_html__( 'Invalid temporary file path.', 'elementor' ) );
145	}
146
147	// Path validation only applies to direct calls (e.g. import_template) where
148	// tmp_name originates from user input. When is_elementor_upload is true, this
149	// method is used as a WordPress filter (wp_handle_sideload_prefilter) and
150	// tmp_name is set by WordPress core.
151	if ( ! $this->is_elementor_upload && ! $this->is_path_in_allowed_dir( $data['tmp_name'] ) ) {
152	return new \WP_Error( 'file_error', esc_html__( 'Invalid temporary file path.', 'elementor' ) );
153	}
154	}
155
156	$validation_result = $this->validate_file( $data, $allowed_file_extensions );
157
158	if ( is_wp_error( $validation_result ) ) {
159	if ( ! empty( $data['tmp_name'] ) ) {
160	$this->remove_file_or_dir( dirname( $data['tmp_name'] ) );
161	}
162
163	return $validation_result;
164	}
165
166	return $data;
167	}
168
169	/**
170	* Is Unfiltered Uploads Enabled
171	*
172	* @since 3.5.0
173	* @access public
174	*
175	* @return bool
176	*/
177	final public static function are_unfiltered_uploads_enabled() {
178	$enabled = (bool) get_option( self::UNFILTERED_FILE_UPLOADS_KEY )
179	&& Svg::file_sanitizer_can_run()
180	&& User::is_current_user_can_upload_json();
181
182	/**
183	* Allow Unfiltered Files Upload.
184	*
185	* Determines whether to enable unfiltered file uploads.
186	*
187	* @since 3.0.0
188	*
189	* @param bool $enabled Whether upload is enabled or not.
190	*/
191	$enabled = apply_filters( 'elementor/files/allow_unfiltered_upload', $enabled );
192
193	return $enabled;
194	}
195
196	/**
197	* Handle Elementor WP Media Upload
198	*
199	* Runs on the 'wp_handle_upload_prefilter' filter.
200	*
201	* @since 3.2.0
202	* @access public
203	*
204	* @param $file
205	* @return mixed
206	*/
207	public function handle_elementor_wp_media_upload( $file ) {
208	// If it isn't a file uploaded by Elementor, we do not intervene.
209	if ( ! $this->is_elementor_wp_media_upload() ) {
210	return $file;
211	}
212
213	$result = $this->validate_file( $file );
214
215	if ( is_wp_error( $result ) ) {
216	$file['error'] = $result->get_error_message();
217	}
218
219	return $file;
220	}
221
222	/**
223	* Get File Type Handler
224	*
225	* Initialize the proper file type handler according to the file extension
226	* and assign it to the file type handlers array.
227	*
228	* @since 3.3.0
229	* @access public
230	*
231	* @param string\|null $file_extension - file extension
232	* @return File_Type_Base[]\|File_Type_Base
233	*/
234	public function get_file_type_handlers( $file_extension = null ) {
235	return self::get_items( $this->file_type_handlers, $file_extension );
236	}
237
238	/**
239	* Check filetype and ext
240	*
241	* A workaround for upload validation which relies on a PHP extension (fileinfo)
242	* with inconsistent reporting behaviour.
243	* ref: https://core.trac.wordpress.org/ticket/39550
244	* ref: https://core.trac.wordpress.org/ticket/40175
245	*
246	* @since 3.5.0
247	* @access public
248	*
249	* @param $data
250	* @param $file
251	* @param $filename
252	* @param $mimes
253	*
254	* @return mixed
255	*/
256	public function check_filetype_and_ext( $data, $file, $filename, $mimes ) {
257	if ( ! empty( $data['ext'] ) && ! empty( $data['type'] ) ) {
258	return $data;
259	}
260
261	$wp_file_type = wp_check_filetype( $filename, $mimes );
262
263	$file_type_handlers = $this->get_file_type_handlers();
264
265	if ( isset( $file_type_handlers[ $wp_file_type['ext'] ] ) ) {
266	$file_type_handler = $file_type_handlers[ $wp_file_type['ext'] ];
267
268	$data['ext'] = $file_type_handler->get_file_extension();
269	$data['type'] = $file_type_handler->get_mime_type();
270	}
271
272	return $data;
273	}
274
275	/**
276	* Check if path is within the allowed Elementor uploads directory.
277	*
278	* Prevents path traversal and arbitrary directory deletion by ensuring the path
279	* resolves under wp-content/uploads/elementor/ or under the configured temp dir
280	* (elementor/files/temp-dir filter), so that cleanup works when temp dir is customized.
281	*
282	* @since 3.35.4
283	* @access private
284	*
285	* @param string $path
286	* @return bool
287	*/
288	private function is_path_in_allowed_dir( $path ) {
289	if ( ! is_string( $path ) \|\| '' === $path ) {
290	return false;
291	}
292
293	$real_path = realpath( $path );
294
295	if ( false === $real_path ) {
296	$real_path = realpath( dirname( $path ) );
297	if ( false === $real_path ) {
298	return false;
299	}
300	}
301
302	$wp_upload_dir = wp_upload_dir();
303	$elementor_base = realpath( $wp_upload_dir['basedir'] . DIRECTORY_SEPARATOR . self::ELEMENTOR_UPLOAD_DIR );
304
305	if ( false !== $elementor_base ) {
306	$allowed = $real_path === $elementor_base \|\| 0 === strpos( $real_path, $elementor_base . DIRECTORY_SEPARATOR );
307	if ( $allowed ) {
308	return true;
309	}
310	}
311
312	$temp_dir = realpath( $this->get_temp_dir() );
313	if ( false !== $temp_dir ) {
314	$temp_dir = rtrim( $temp_dir, DIRECTORY_SEPARATOR ) . DIRECTORY_SEPARATOR;
315	return 0 === strpos( $real_path, $temp_dir );
316	}
317
318	return false;
319	}
320
321	/**
322	* Remove File Or Directory
323	*
324	* Directory is deleted recursively with all of its contents (subdirectories and files).
325	* Only paths under wp-content/uploads/elementor/ are allowed (security: prevents arbitrary directory deletion).
326	*
327	* @since 3.3.0
328	* @access public
329	*
330	* @param string $path
331	*/
332	public function remove_file_or_dir( $path ) {
333	if ( ! $this->is_path_in_allowed_dir( $path ) ) {
334	return;
335	}
336
337	if ( is_dir( $path ) ) {
338	$this->remove_directory_with_files( $path );
339	} elseif ( is_file( $path ) ) {
340	unlink( $path );
341	}
342	}
343
344	/**
345	* Create Temp File
346	*
347	* Create a random temporary file.
348	*
349	* @since 3.3.0
350	* @access public
351	*
352	* @param string $file_content
353	* @param string $file_name
354	* @return string\|\WP_Error
355	*/
356	public function create_temp_file( $file_content, $file_name ) {
357	$file_name = str_replace( ' ', '', sanitize_file_name( $file_name ) );
358
359	if ( empty( $file_name ) ) {
360	return new \WP_Error( 'invalid_file_name', esc_html__( 'Invalid file name.', 'elementor' ) );
361	}
362
363	$temp_filename = $this->create_unique_dir() . $file_name;
364
365	/**
366	* Temp File Path
367	*
368	* Allows modifying the full path of the temporary file.
369	*
370	* @since 3.7.0
371	*
372	* @param string full path to file
373	*/
374	$temp_filename = apply_filters( 'elementor/files/temp-file-path', $temp_filename );
375
376	file_put_contents( $temp_filename, $file_content ); // phpcs:ignore
377
378	return $temp_filename;
379	}
380
381	/**
382	* Get Temp Directory
383	*
384	* Get the temporary files directory path. If the directory does not exist, this method creates it.
385	*
386	* @since 3.3.0
387	* @access public
388	*
389	* @return string $temp_dir
390	*/
391	public function get_temp_dir() {
392	if ( ! $this->temp_dir ) {
393	$wp_upload_dir = wp_upload_dir();
394
395	$temp_dir = implode( DIRECTORY_SEPARATOR, [ $wp_upload_dir['basedir'], self::ELEMENTOR_UPLOAD_DIR, 'tmp' ] ) . DIRECTORY_SEPARATOR;
396
397	/**
398	* Temp File Path
399	*
400	* Allows modifying the full path of the temporary file.
401	*
402	* @since 3.7.0
403	*
404	* @param string temporary directory
405	*/
406	$this->temp_dir = apply_filters( 'elementor/files/temp-dir', $temp_dir );
407
408	if ( ! is_dir( $this->temp_dir ) ) {
409	wp_mkdir_p( $this->temp_dir );
410	}
411	}
412
413	return $this->temp_dir;
414	}
415
416	/**
417	* Create Unique Temp Dir
418	*
419	* Create a unique temporary directory
420	*
421	* @since 3.3.0
422	* @access public
423	*
424	* @return string the new directory path
425	*/
426	public function create_unique_dir() {
427	$unique_dir_path = $this->get_temp_dir() . uniqid() . DIRECTORY_SEPARATOR;
428
429	wp_mkdir_p( $unique_dir_path );
430
431	return $unique_dir_path;
432	}
433
434	/**
435	* Register Ajax Actions
436	*
437	* Runs on the 'elementor/ajax/register_actions' hook. Receives the AJAX module as a parameter and registers
438	* callbacks for specified action IDs.
439	*
440	* @since 3.5.0
441	* @access public
442	*
443	* @param Ajax $ajax
444	*/
445	public function register_ajax_actions( Ajax $ajax ) {
446	$ajax->register_ajax_action( 'enable_unfiltered_files_upload', [ $this, 'enable_unfiltered_files_upload' ] );
447	$ajax->register_ajax_action( 'enqueue_google_fonts', [ $this, 'ajax_enqueue_google_fonts' ] );
448	}
449
450	/**
451	* Set Unfiltered Files Upload
452	*
453	* @since 3.5.0
454	* @access public
455	*/
456	public function enable_unfiltered_files_upload() {
457	if ( ! current_user_can( 'manage_options' ) ) {
458	return;
459	}
460
461	update_option( self::UNFILTERED_FILE_UPLOADS_KEY, 1 );
462	}
463
464	public function ajax_enqueue_google_fonts( $data ): bool {
465	if ( empty( $data['font_name'] ) ) {
466	return false;
467	}
468
469	$font_type = Fonts::get_font_type( $data['font_name'] );
470
471	if ( Fonts::GOOGLE !== $font_type ) {
472	return false;
473	}
474
475	Google_Font::enqueue( $data['font_name'] );
476
477	return true;
478	}
479
480	/**
481	* Support Unfiltered File Uploads
482	*
483	* When uploading a file within Elementor, this method adds the registered
484	* file types to WordPress' allowed mimes list. This will only happen if the user allowed unfiltered file uploads
485	* in Elementor's settings in the admin dashboard.
486	*
487	* @since 3.5.0
488	* @access public
489	*
490	* @param array $allowed_mimes
491	* @return array allowed mime types
492	*/
493	final public function support_unfiltered_elementor_file_uploads( $allowed_mimes ) {
494	if ( $this->is_elementor_upload() && $this->are_unfiltered_uploads_enabled() ) {
495	foreach ( $this->file_type_handlers as $file_type_handler ) {
496	$allowed_mimes[ $file_type_handler->get_file_extension() ] = $file_type_handler->get_mime_type();
497	}
498	}
499
500	return $allowed_mimes;
501	}
502
503	/**
504	* Set Elementor Upload State
505	*
506	* @since 3.5.0
507	* @access public
508	*
509	* @param $state
510	*/
511	public function set_elementor_upload_state( $state ) {
512	$this->is_elementor_upload = $state;
513	}
514
515	/**
516	* Is Elementor Upload
517	*
518	* This method checks if the current session includes a request to upload files made via Elementor.
519	*
520	* @since 3.5.0
521	* @access private
522	*
523	* @return bool
524	*/
525	private function is_elementor_upload() {
526	return $this->is_elementor_upload \|\| $this->is_elementor_media_upload() \|\| $this->is_elementor_wp_media_upload();
527	}
528
529	/**
530	* Is Elementor Media Upload
531	*
532	* Checks whether the current request includes uploading files via Elementor which are not destined for the Media
533	* Library.
534	*
535	* @since 3.5.0
536	* @access public
537	*
538	* @return bool
539	*/
540	public function is_elementor_media_upload() {
541	// Sometimes `uploadTypeCaller` passed as a GET parameter when using the WP Media Library REST API, where the
542	// whole request body is occupied by the uploaded file.
543	return isset( $_REQUEST['uploadTypeCaller'] ) && 'elementor-media-upload' === $_REQUEST['uploadTypeCaller']; // phpcs:ignore
544	}
545
546	/**
547	* Is Elementor WP Media Upload
548	*
549	* Checks whether the current request is a request to upload files into the WP Media Library via Elementor.
550	*
551	* @since 3.3.0
552	* @access private
553	*
554	* @return bool
555	*/
556	private function is_elementor_wp_media_upload() {
557	return isset( $_REQUEST['uploadTypeCaller'] ) && 'elementor-wp-media-upload' === $_REQUEST['uploadTypeCaller']; // phpcs:ignore
558	}
559
560	/**
561	* Add File Extension To Allowed Extensions List
562	*
563	* @since 3.3.0
564	* @access private
565	*
566	* @param string $file_type
567	*/
568	private function add_file_extension_to_allowed_extensions_list( $file_type ) {
569	$file_handler = $this->file_type_handlers[ $file_type ];
570
571	$file_extension = $file_handler->get_file_extension();
572
573	// Only add the file extension to the list if it doesn't already exist in it.
574	if ( ! in_array( $file_extension, $this->allowed_file_extensions, true ) ) {
575	$this->allowed_file_extensions[] = $file_extension;
576	}
577	}
578
579	/**
580	* Save Base64 as File
581	*
582	* Saves a Base64 string as a .tmp file in Elementor's temporary files directory.
583	*
584	* @since 3.3.0
585	* @access private
586	*
587	* @param $file
588	* @param array\|null $allowed_file_extensions
589	*
590	* @return array\|\WP_Error
591	*/
592	private function save_base64_to_tmp_file( $file, $allowed_file_extensions = null ) {
593	if ( empty( $file['fileName'] ) \|\| empty( $file['fileData'] ) ) {
594	return new \WP_Error( 'file_error', self::INVALID_FILE_CONTENT );
595	}
596
597	$file_extension = pathinfo( $file['fileName'], PATHINFO_EXTENSION );
598	$is_file_type_allowed = $this->is_file_type_allowed( $file_extension, $allowed_file_extensions );
599
600	if ( is_wp_error( $is_file_type_allowed ) ) {
601	return $is_file_type_allowed;
602	}
603
604	$file_content = base64_decode( $file['fileData'] ); // phpcs:ignore
605
606	// If the decode fails
607	if ( ! $file_content ) {
608	return new \WP_Error( 'file_error', self::INVALID_FILE_CONTENT );
609	}
610
611	$temp_filename = $this->create_temp_file( $file_content, $file['fileName'] );
612
613	if ( is_wp_error( $temp_filename ) ) {
614	return $temp_filename;
615	}
616
617	return [
618	// the original uploaded file name
619	'name' => $file['fileName'],
620	// The path to the temporary file
621	'tmp_name' => $temp_filename,
622	];
623	}
624
625	/**
626	* Validate File
627	*
628	* @since 3.3.0
629	* @access private
630	*
631	* @param array $file
632	* @param array $file_extensions Optional
633	* @return bool\|\WP_Error
634	*/
635	private function validate_file( array $file, $file_extensions = [] ) {
636	$uploaded_file_name = isset( $file['name'] ) ? $file['name'] : $file['tmp_name'];
637
638	$file_extension = pathinfo( $uploaded_file_name, PATHINFO_EXTENSION );
639
640	if ( ! $this->is_elementor_wp_media_upload() ) {
641	$is_file_type_allowed = $this->is_file_type_allowed( $file_extension, $file_extensions );
642
643	if ( is_wp_error( $is_file_type_allowed ) ) {
644	return $is_file_type_allowed;
645	}
646	}
647
648	$file_type_handler = $this->get_file_type_handlers( $file_extension );
649
650	// If Elementor does not have a handler for this file type, don't block it.
651	if ( ! $file_type_handler ) {
652	return true;
653	}
654
655	// If there is a File Type Handler for the uploaded file, it means it is a non-standard file type. In this case,
656	// we check if unfiltered file uploads are enabled or not before allowing it.
657	if ( ! self::are_unfiltered_uploads_enabled() ) {
658	$error = 'json' === $file_extension
659	? esc_html__( 'You do not have permission to upload JSON files.', 'elementor' )
660	: esc_html__( 'This file is not allowed for security reasons.', 'elementor' );
661	return new \WP_Error( Exceptions::FORBIDDEN, $error );
662	}
663
664	// Here is each file type handler's chance to run its own specific validations
665	return $file_type_handler->validate_file( $file );
666	}
667
668	/**
669	* Is File Type Allowed
670	*
671	* Checks whether the passed file extension is allowed for upload.
672	*
673	* @since 3.5.0
674	* @access private
675	*
676	* @param $file_extension
677	* @param $filtered_file_extensions
678	* @return bool\|\WP_Error
679	*/
680	private function is_file_type_allowed( $file_extension, $filtered_file_extensions ) {
681	$allowed_file_extensions = $this->get_allowed_file_extensions();
682
683	if ( $filtered_file_extensions ) {
684	$allowed_file_extensions = array_intersect( $allowed_file_extensions, $filtered_file_extensions );
685	}
686
687	$is_allowed = false;
688
689	// Check if the file type (extension) is in the allowed extensions list. If it is a non-standard file type (not
690	// enabled by default in WordPress) and unfiltered file uploads are not enabled, it will not be in the allowed
691	// file extensions list.
692	foreach ( $allowed_file_extensions as $allowed_extension ) {
693	if ( preg_match( '/' . $allowed_extension . '/', $file_extension ) ) {
694	$is_allowed = true;
695
696	break;
697	}
698	}
699
700	if ( ! $is_allowed ) {
701	$is_allowed = new \WP_Error( Exceptions::FORBIDDEN, 'Uploading this file type is not allowed.' );
702	}
703
704	/**
705	* Elementor File Type Allowed
706	*
707	* Allows setting file types
708	*
709	* @since 3.5.0
710	*
711	* @param bool\|\WP_Error $is_allowed
712	*/
713	return apply_filters( 'elementor/files/allow-file-type/' . $file_extension, $is_allowed );
714	}
715
716	/**
717	* Remove Directory with Files
718	*
719	* @since 3.3.0
720	* @access private
721	*
722	* @param string $dir
723	* @return bool
724	*/
725	private function remove_directory_with_files( $dir ) {
726	$dir_iterator = new \RecursiveDirectoryIterator( $dir, \RecursiveDirectoryIterator::SKIP_DOTS );
727
728	foreach ( new \RecursiveIteratorIterator( $dir_iterator, \RecursiveIteratorIterator::CHILD_FIRST ) as $name => $item ) {
729	if ( is_dir( $name ) ) {
730	rmdir( $name );
731	} elseif ( is_file( $name ) ) {
732	unlink( $name );
733	}
734	}
735
736	return rmdir( $dir );
737	}
738
739	/**
740	* Get Allowed File Extensions
741	*
742	* Retrieve an array containing the list of file extensions allowed for upload.
743	*
744	* @since 3.3.0
745	* @access private
746	*
747	* @return array file extension/s
748	*/
749	private function get_allowed_file_extensions() {
750	if ( ! $this->allowed_file_extensions ) {
751	$this->allowed_file_extensions = array_keys( get_allowed_mime_types() );
752
753	foreach ( $this->get_file_type_handlers() as $file_type => $handler ) {
754	if ( $handler->is_upload_allowed() ) {
755	// Add the file extension to the allowed extensions list only if unfiltered files upload is enabled.
756	$this->add_file_extension_to_allowed_extensions_list( $file_type );
757	}
758	}
759	}
760
761	return $this->allowed_file_extensions;
762	}
763
764	public function __construct() {
765	$this->register_file_types();
766
767	add_filter( 'upload_mimes', [ $this, 'support_unfiltered_elementor_file_uploads' ] );
768	add_filter( 'wp_handle_upload_prefilter', [ $this, 'handle_elementor_wp_media_upload' ] );
769	add_filter( 'wp_check_filetype_and_ext', [ $this, 'check_filetype_and_ext' ], 10, 4 );
770
771	// Ajax.
772	add_action( 'elementor/ajax/register_actions', [ $this, 'register_ajax_actions' ] );
773	}
774	}
775