elementor / includes / template-library / manager.php

manager.php in Elementor Website Builder – more than just a page builder 4.0.0-beta1, at includes/template-library/manager.php

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1	<?php
2	namespace Elementor\TemplateLibrary;
3
4	use Elementor\Api;
5	use Elementor\Core\Common\Modules\Ajax\Module as Ajax;
6	use Elementor\Core\Settings\Manager as SettingsManager;
7	use Elementor\Includes\TemplateLibrary\Data\Controller;
8	use Elementor\TemplateLibrary\Classes\Import_Images;
9	use Elementor\Core\Utils\Template_Library_Import_Export_Utils;
10	use Elementor\Plugin;
11	use Elementor\User;
12	use Elementor\Utils;
13
14	if ( ! defined( 'ABSPATH' ) ) {
15	exit; // Exit if accessed directly.
16	}
17
18	/**
19	* Elementor template library manager.
20	*
21	* Elementor template library manager handler class is responsible for
22	* initializing the template library.
23	*
24	* @since 1.0.0
25	*/
26	class Manager {
27
28	const ERROR_TEMPLATE_SOURCE_NOT_FOUND = 'Template source not found.';
29	const ERROR_TEMPLATE_IDS_MISSING = 'Template IDs are missing.';
30
31	/**
32	* Registered template sources.
33	*
34	* Holds a list of all the supported sources with their instances.
35	*
36	* @access protected
37	*
38	* @var Source_Base[]
39	*/
40	protected $_registered_sources = []; // phpcs:ignore PSR2.Classes.PropertyDeclaration.Underscore
41
42	/**
43	* Imported template images.
44	*
45	* Holds an instance of `Import_Images` class.
46	*
47	* @access private
48	*
49	* @var Import_Images
50	*/
51	private $_import_images = null; // phpcs:ignore PSR2.Classes.PropertyDeclaration.Underscore
52
53	/**
54	* Template library manager constructor.
55	*
56	* Initializing the template library manager by registering default template
57	* sources and initializing ajax calls.
58	*
59	* @since 1.0.0
60	* @access public
61	*/
62	public function __construct() {
63	Plugin::$instance->data_manager_v2->register_controller( new Controller() );
64
65	$this->register_default_sources();
66
67	$this->add_actions();
68	}
69
70	/**
71	* @since 2.3.0
72	* @access public
73	*/
74	public function add_actions() {
75	add_action( 'elementor/ajax/register_actions', [ $this, 'register_ajax_actions' ] );
76	add_action( 'wp_ajax_elementor_library_direct_actions', [ $this, 'handle_direct_actions' ] );
77	}
78
79	/**
80	* Get `Import_Images` instance.
81	*
82	* Retrieve the instance of the `Import_Images` class.
83	*
84	* @since 1.0.0
85	* @access public
86	*
87	* @return Import_Images Imported images instance.
88	*/
89	public function get_import_images_instance() {
90	if ( null === $this->_import_images ) {
91	$this->_import_images = new Import_Images();
92	}
93
94	return $this->_import_images;
95	}
96
97	/**
98	* Register template source.
99	*
100	* Used to register new template sources displayed in the template library.
101	*
102	* @since 1.0.0
103	* @access public
104	*
105	* @param string $source_class The name of source class.
106	* @param array $args Optional. Class arguments. Default is an
107	* empty array.
108	*
109	* @return \WP_Error\|true True if the source was registered, `WP_Error`
110	* otherwise.
111	*/
112	public function register_source( $source_class, $args = [] ) {
113	if ( ! class_exists( $source_class ) ) {
114	return new \WP_Error( 'source_class_name_not_exists' );
115	}
116
117	$source_instance = new $source_class( $args );
118
119	if ( ! $source_instance instanceof Source_Base ) {
120	return new \WP_Error( 'wrong_instance_source' );
121	}
122
123	$source_id = $source_instance->get_id();
124
125	if ( isset( $this->_registered_sources[ $source_id ] ) ) {
126	return new \WP_Error( 'source_exists' );
127	}
128
129	$this->_registered_sources[ $source_id ] = $source_instance;
130
131	return true;
132	}
133
134	/**
135	* Unregister template source.
136	*
137	* Remove an existing template sources from the list of registered template
138	* sources.
139	*
140	* @since 1.0.0
141	* @deprecated 2.7.0
142	* @access public
143	*
144	* @param string $id The source ID.
145	*
146	* @return bool Whether the source was unregistered.
147	*/
148	public function unregister_source( $id ) {
149	return true;
150	}
151
152	/**
153	* Get registered template sources.
154	*
155	* Retrieve registered template sources.
156	*
157	* @since 1.0.0
158	* @access public
159	*
160	* @return Source_Base[] Registered template sources.
161	*/
162	public function get_registered_sources() {
163	return $this->_registered_sources;
164	}
165
166	/**
167	* Get template source.
168	*
169	* Retrieve single template sources for a given template ID.
170	*
171	* @since 1.0.0
172	* @access public
173	*
174	* @param string $id The source ID.
175	*
176	* @return false\|Source_Base Template sources if one exist, False otherwise.
177	*/
178	public function get_source( $id ) {
179	$sources = $this->get_registered_sources();
180
181	if ( ! isset( $sources[ $id ] ) ) {
182	return false;
183	}
184
185	return $sources[ $id ];
186	}
187
188	/**
189	* Get templates.
190	*
191	* Retrieve all the templates from all the registered sources.
192	*
193	* @param array $filter_sources
194	* @param bool $force_update
195	* @return array
196	*/
197	public function get_templates( array $filter_sources = [], bool $force_update = false ): array {
198	$templates = [];
199
200	foreach ( $this->get_registered_sources() as $source ) {
201	if ( ! empty( $filter_sources ) && ! in_array( $source->get_id(), $filter_sources, true ) ) {
202	continue;
203	}
204
205	$templates = array_merge( $templates, $source->get_items( [ 'force_update' => $force_update ] ) );
206	}
207
208	return $templates;
209	}
210
211	/**
212	* Get library data.
213	*
214	* Retrieve the library data.
215	*
216	* @since 1.9.0
217	* @access public
218	*
219	* @param array $args Library arguments.
220	*
221	* @return array Library data.
222	*/
223	public function get_library_data( array $args ) {
224	$force_update = ! empty( $args['sync'] );
225
226	$library_data = Api::get_library_data( $force_update );
227
228	if ( empty( $library_data ) ) {
229	return $library_data;
230	}
231
232	// Ensure all document are registered.
233	Plugin::$instance->documents->get_document_types();
234
235	$filter_sources = ! empty( $args['filter_sources'] ) ? $args['filter_sources'] : [];
236
237	$full_library_data = [
238	'templates' => $this->get_templates( $filter_sources, $force_update ),
239	'config' => $library_data['types_data'],
240	];
241
242	/**
243	* Filter the full library data.
244	*
245	* @since 3.32.2
246	* @param-out $full_library_data - 'templates' and 'config' data ('config' holds the list of categories).
247	*/
248	return apply_filters( 'elementor/library/full-data', $full_library_data );
249	}
250
251	/**
252	* Save template.
253	*
254	* Save new or update existing template on the database.
255	*
256	* @since 1.0.0
257	* @access public
258	*
259	* @param array $args Template arguments.
260	*
261	* @return \WP_Error\|int The ID of the saved/updated template.
262	*/
263	public function save_template( array $args ) {
264	$validate_args = $this->ensure_args( [ 'post_id', 'source', 'content', 'type' ], $args );
265
266	if ( is_wp_error( $validate_args ) ) {
267	return $validate_args;
268	}
269
270	$sources = (array) $args['source']; // BC
271	$results = [];
272
273	foreach ( $sources as $source ) {
274	$args_copy = $args;
275	$args_copy['source'] = $source;
276	$results[] = $this->save_template_item( $args_copy );
277	}
278
279	return 1 === count( $results ) ? $results[0] : $results;
280	}
281
282	private function save_template_item( array $args ) {
283	$source = $this->get_source( $args['source'] );
284
285	if ( ! $source ) {
286	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
287	}
288
289	$args['content'] = json_decode( $args['content'], true );
290
291	$page = SettingsManager::get_settings_managers( 'page' )->get_model( $args['post_id'] );
292
293	$args['page_settings'] = $page->get_data( 'settings' );
294
295	$template_id = $source->save_item( $args );
296
297	if ( is_wp_error( $template_id ) ) {
298	return $template_id;
299	}
300
301	return $source->get_item( $template_id );
302	}
303
304	public function move_template( array $args ) {
305	$validate_args = $this->ensure_args( [ 'source', 'from_source', 'from_template_id' ], $args );
306
307	if ( is_wp_error( $validate_args ) ) {
308	return $validate_args;
309	}
310
311	$args['source'] = $args['source'][0];
312
313	$result = $this->move_template_item( $args );
314
315	if ( ! $this->is_action_to_same_source( $args ) ) {
316	$this->delete_template( [
317	'source' => $args['from_source'],
318	'template_id' => $args['from_template_id'],
319	] );
320	}
321
322	return $result;
323	}
324
325	private function move_template_item( array $args ) {
326	$validate_args = $this->ensure_args( [ 'source', 'from_source', 'from_template_id' ], $args );
327
328	if ( is_wp_error( $validate_args ) ) {
329	return $validate_args;
330	}
331
332	$source = $this->get_source( $args['source'] );
333
334	if ( ! $source ) {
335	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
336	}
337
338	if ( $this->is_action_to_same_source( $args ) ) {
339	return $source->move_template_to_folder( $args );
340	}
341
342	$from_source = $this->get_source( $args['from_source'] );
343
344	if ( ! $from_source ) {
345	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
346	}
347
348	$args = $from_source->format_args_for_single_action( $args );
349
350	$template_id = $source->save_item( $args );
351
352	if ( is_wp_error( $template_id ) ) {
353	return $template_id;
354	}
355
356	return $source->get_item( $template_id );
357	}
358
359	public function copy_template( array $args ) {
360	$validate_args = $this->ensure_args( [ 'source', 'from_source', 'from_template_id' ], $args );
361
362	if ( is_wp_error( $validate_args ) ) {
363	return $validate_args;
364	}
365
366	$source = $this->get_source( $args['source'][0] );
367
368	if ( ! $source ) {
369	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
370	}
371
372	$from_source = $this->get_source( $args['from_source'] );
373
374	if ( ! $from_source ) {
375	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
376	}
377
378	$args = $from_source->format_args_for_single_action( $args );
379
380	$template_id = $source->save_item( $args );
381
382	if ( is_wp_error( $template_id ) ) {
383	return $template_id;
384	}
385
386	return $source->get_item( $template_id );
387	}
388
389	private function is_action_to_same_source( $args ) {
390	return $args['source'] === $args['from_source'];
391	}
392
393	/**
394	* Update template.
395	*
396	* Update template on the database.
397	*
398	* @since 1.0.0
399	* @access public
400	*
401	* @param array $template_data New template data.
402	*
403	* @return \WP_Error\|Source_Base Template sources instance if the templates
404	* was updated, `WP_Error` otherwise.
405	*/
406	public function update_template( array $template_data ) {
407	$validate_args = $this->ensure_args( [ 'source', 'content', 'type' ], $template_data );
408
409	if ( is_wp_error( $validate_args ) ) {
410	return $validate_args;
411	}
412
413	$source = $this->get_source( $template_data['source'] );
414
415	if ( ! $source ) {
416	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
417	}
418
419	$template_data['content'] = json_decode( $template_data['content'], true );
420
421	$update = $source->update_item( $template_data );
422
423	if ( is_wp_error( $update ) ) {
424	return $update;
425	}
426
427	return $source->get_item( $template_data['id'] );
428	}
429
430	public function rename_template( array $template_data ) {
431	$validate_args = $this->ensure_args( [ 'source', 'title', 'id' ], $template_data );
432
433	if ( is_wp_error( $validate_args ) ) {
434	return $validate_args;
435	}
436
437	$source = $this->get_source( $template_data['source'] );
438
439	if ( ! $source ) {
440	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
441	}
442
443	$update = $source->update_item( $template_data );
444
445	if ( is_wp_error( $update ) ) {
446	return $update;
447	}
448
449	return $source->get_item( $template_data['id'] );
450	}
451
452	/**
453	* Update templates.
454	*
455	* Update template on the database.
456	*
457	* @since 1.0.0
458	* @access public
459	*
460	* @param array $args Template arguments.
461	*
462	* @return \WP_Error\|true True if templates updated, `WP_Error` otherwise.
463	*/
464	public function update_templates( array $args ) {
465	foreach ( $args['templates'] as $template_data ) {
466	$result = $this->update_template( $template_data );
467
468	if ( is_wp_error( $result ) ) {
469	return $result;
470	}
471	}
472
473	return true;
474	}
475
476	/**
477	* Get template data.
478	*
479	* Retrieve the template data.
480	*
481	* @since 1.5.0
482	* @access public
483	*
484	* @param array $args Template arguments.
485	*
486	* @return \WP_Error\|bool\|array ??
487	*/
488	public function get_template_data( array $args ) {
489	$validate_args = $this->ensure_args( [ 'source', 'template_id' ], $args );
490
491	if ( is_wp_error( $validate_args ) ) {
492	return $validate_args;
493	}
494
495	$source = $this->get_source( $args['source'] );
496
497	if ( ! $source ) {
498	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
499	}
500
501	if ( method_exists( $source, 'is_allowed_to_read_template' ) && ! $source->is_allowed_to_read_template( $args ) ) {
502	return new \WP_Error(
503	'template_error',
504	esc_html__( 'You do not have permission to access this template.', 'elementor' )
505	);
506	}
507
508	if ( isset( $args['edit_mode'] ) ) {
509	Plugin::$instance->editor->set_edit_mode( $args['edit_mode'] );
510	}
511
512	do_action( 'elementor/template-library/before_get_source_data', $args, $source );
513
514	$data = $source->get_data( $args );
515
516	do_action( 'elementor/template-library/after_get_source_data', $args, $source );
517
518	return $data;
519	}
520
521	/**
522	* Delete template.
523	*
524	* Delete template from the database.
525	*
526	* @since 1.0.0
527	* @access public
528	*
529	* @param array $args Template arguments.
530	*
531	* @return \WP_Post\|\WP_Error\|false\|null Post data on success, false or null
532	* or 'WP_Error' on failure.
533	*/
534	public function delete_template( array $args ) {
535	$validate_args = $this->ensure_args( [ 'source', 'template_id' ], $args );
536
537	if ( is_wp_error( $validate_args ) ) {
538	return $validate_args;
539	}
540
541	$source = $this->get_source( $args['source'] );
542
543	if ( ! $source ) {
544	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
545	}
546
547	return $source->delete_template( $args['template_id'] );
548	}
549
550	/**
551	* Export template.
552	*
553	* Export template to a file after ensuring it is a valid Elementor template
554	* and checking user permissions for private posts.
555	*
556	* @since 1.0.0
557	* @access public
558	*
559	* @param array $args Template arguments.
560	*
561	* @return mixed Whether the export succeeded or failed.
562	*/
563	public function export_template( array $args ) {
564	$validate_args = $this->ensure_args( [ 'source', 'template_id' ], $args );
565
566	if ( is_wp_error( $validate_args ) ) {
567	return $validate_args;
568	}
569
570	$source = $this->get_source( $args['source'] );
571
572	if ( ! $source ) {
573	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
574	}
575
576	return $source->export_template( $args['template_id'] );
577	}
578
579	/**
580	* @since 2.3.0
581	* @access public
582	*/
583	public function direct_import_template() {
584	/** @var Source_Local $source */
585	$source = $this->get_source( 'local' );
586	$file = Utils::get_super_global_value( $_FILES, 'file' ); // phpcs:ignore WordPress.Security.NonceVerification.Missing
587	return $source->import_template( $file['name'], $file['tmp_name'] );
588	}
589
590	/**
591	* Import template.
592	*
593	* Import template from a file.
594	*
595	* @since 1.0.0
596	* @access public
597	*
598	* @param array $data
599	*
600	* @return mixed Whether the export succeeded or failed.
601	*/
602	public function import_template( array $data ) {
603	// If the template is a JSON file, allow uploading it.
604	add_filter( 'elementor/files/allow-file-type/json', [ $this, 'enable_json_template_upload' ] );
605	add_filter( 'elementor/files/allow_unfiltered_upload', [ $this, 'enable_json_template_upload' ] );
606
607	// Imported templates can be either JSON files, or Zip files containing multiple JSON files
608	$upload_result = Plugin::$instance->uploads_manager->handle_elementor_upload( $data, [ 'zip', 'json' ] );
609
610	remove_filter( 'elementor/files/allow-file-type/json', [ $this, 'enable_json_template_upload' ] );
611	remove_filter( 'elementor/files/allow_unfiltered_upload', [ $this, 'enable_json_template_upload' ] );
612
613	if ( is_wp_error( $upload_result ) ) {
614	Plugin::$instance->uploads_manager->remove_file_or_dir( dirname( $upload_result['tmp_name'] ) );
615
616	return $upload_result;
617	}
618
619	$source = $this->get_source( $data['source'] ?? 'local' );
620
621	$import_mode = $data['import_mode'] ?? 'match_site';
622	$import_result = $source->import_template( $upload_result['name'], $upload_result['tmp_name'], $import_mode );
623
624	// Remove the temporary directory generated for the stream-uploaded file.
625	Plugin::$instance->uploads_manager->remove_file_or_dir( dirname( $upload_result['tmp_name'] ) );
626
627	return $import_result;
628	}
629
630	/**
631	* Enable JSON Template Upload
632	*
633	* Runs on the 'elementor/files/allow-file-type/json' Uploads Manager filter.
634	*
635	* @since 3.5.0
636	* @access public
637	*
638	* return bool
639	*/
640	public function enable_json_template_upload() {
641	return true;
642	}
643
644	/**
645	* Mark template as favorite.
646	*
647	* Add the template to the user favorite templates.
648	*
649	* @since 1.9.0
650	* @access public
651	*
652	* @param array $args Template arguments.
653	*
654	* @return mixed Whether the template marked as favorite.
655	*/
656	public function mark_template_as_favorite( $args ) {
657	$validate_args = $this->ensure_args( [ 'source', 'template_id', 'favorite' ], $args );
658
659	if ( is_wp_error( $validate_args ) ) {
660	return $validate_args;
661	}
662
663	$source = $this->get_source( $args['source'] );
664
665	return $source->mark_as_favorite( $args['template_id'], filter_var( $args['favorite'], FILTER_VALIDATE_BOOLEAN ) );
666	}
667
668	public function import_from_json( array $args ) {
669	$validate_args = $this->ensure_args( [ 'editor_post_id', 'elements' ], $args );
670
671	if ( is_wp_error( $validate_args ) ) {
672	return $validate_args;
673	}
674
675	$elements = json_decode( $args['elements'], true );
676
677	$document = Plugin::$instance->documents->get( $args['editor_post_id'] );
678	if ( ! $document ) {
679	return new \WP_Error( 'template_error', 'Document not found.' );
680	}
681
682	$import_data = $document->get_import_data( [ 'content' => $elements ] );
683
684	return $import_data['content'];
685	}
686
687	public function process_global_styles( array $args ) {
688	$validate_args = $this->ensure_args( [ 'content', 'import_mode' ], $args );
689
690	if ( is_wp_error( $validate_args ) ) {
691	return $validate_args;
692	}
693
694	$import_mode = Template_Library_Import_Export_Utils::sanitize_import_mode( $args['import_mode'] );
695
696	$content = $this->get_validated_json_arg( $args, 'content' );
697	if ( is_wp_error( $content ) ) {
698	return $content;
699	}
700
701	$global_classes = $this->get_validated_json_arg( $args, 'global_classes', true );
702	if ( is_wp_error( $global_classes ) ) {
703	return $global_classes;
704	}
705
706	$global_variables = $this->get_validated_json_arg( $args, 'global_variables', true );
707	if ( is_wp_error( $global_variables ) ) {
708	return $global_variables;
709	}
710
711	$data = [
712	'global_classes' => $global_classes,
713	'global_variables' => $global_variables,
714	];
715
716	$result = apply_filters(
717	'elementor/template_library/import/process_content',
718	[ 'content' => $content ],
719	$import_mode,
720	$data,
721	null
722	);
723
724	$response = [
725	'content' => $result['content'],
726	];
727
728	if ( ! empty( $result['updated_global_classes'] ) ) {
729	$response['updated_global_classes'] = $result['updated_global_classes'];
730	}
731
732	if ( ! empty( $result['updated_global_variables'] ) ) {
733	$response['updated_global_variables'] = $result['updated_global_variables'];
734	}
735
736	$classes_to_flatten = $result['classes_to_flatten'] ?? [];
737	$variables_to_flatten = $result['variables_to_flatten'] ?? [];
738
739	if ( ! empty( $classes_to_flatten ) ) {
740	$response['flattened_classes_count'] = count( $classes_to_flatten );
741	}
742
743	if ( ! empty( $variables_to_flatten ) ) {
744	$response['flattened_variables_count'] = count( $variables_to_flatten );
745	}
746
747	return $response;
748	}
749
750	private function get_validated_json_arg( array $args, string $key, bool $is_optional = false ) {
751	if ( ! array_key_exists( $key, $args ) \|\| null === $args[ $key ] \|\| '' === $args[ $key ] ) {
752	return $is_optional ? null : new \WP_Error( "invalid_$key", "Invalid $key." );
753	}
754
755	$value = $args[ $key ];
756	if ( is_string( $value ) ) {
757	$decoded = json_decode( $value, true );
758	if ( JSON_ERROR_NONE !== json_last_error() ) {
759	return new \WP_Error( "invalid_$key", "Invalid JSON $key." );
760	}
761	return $decoded;
762	}
763
764	if ( ! is_array( $value ) ) {
765	return new \WP_Error( "invalid_$key", "Invalid $key format." );
766	}
767
768	return $value;
769	}
770
771	public function get_item_children( array $args ) {
772	$validate_args = $this->ensure_args( [ 'source', 'template_id' ], $args );
773
774	if ( is_wp_error( $validate_args ) ) {
775	return $validate_args;
776	}
777
778	$source = $this->get_source( $args['source'] );
779
780	if ( ! $source ) {
781	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
782	}
783
784	return $source->get_item_children( $args );
785	}
786
787	public function search_templates( array $args ) {
788	$validate_args = $this->ensure_args( [ 'source', 'search' ], $args );
789
790	if ( is_wp_error( $validate_args ) ) {
791	return $validate_args;
792	}
793
794	$source = $this->get_source( $args['source'] );
795
796	if ( ! $source ) {
797	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
798	}
799
800	return $source->search_templates( $args );
801	}
802
803	public function load_more_templates( array $args ) {
804	$validate_args = $this->ensure_args( [ 'source', 'offset' ], $args );
805
806	if ( is_wp_error( $validate_args ) ) {
807	return $validate_args;
808	}
809
810	$source = $this->get_source( $args['source'] );
811
812	if ( ! $source ) {
813	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
814	}
815
816	return $source->get_items( $args );
817	}
818
819	public function create_folder( array $args ) {
820	$validate_args = $this->ensure_args( [ 'source', 'title' ], $args );
821
822	if ( is_wp_error( $validate_args ) ) {
823	return $validate_args;
824	}
825
826	$source = $this->get_source( $args['source'] );
827
828	if ( ! $source ) {
829	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
830	}
831
832	return $source->save_folder( $args );
833	}
834
835	public function get_folders( array $args ) {
836	$validate_args = $this->ensure_args( [ 'source', 'offset' ], $args );
837
838	if ( is_wp_error( $validate_args ) ) {
839	return $validate_args;
840	}
841
842	$source = $this->get_source( $args['source'] );
843
844	if ( ! $source ) {
845	return new \WP_Error( 'template_error', 'Folder source not found.' );
846	}
847
848	$args['templateType'] = 'folder';
849
850	return $source->get_items( $args );
851	}
852
853	/**
854	* Register default template sources.
855	*
856	* Register the 'local' and 'remote' template sources that Elementor use by
857	* default.
858	*
859	* @since 1.0.0
860	* @access private
861	*/
862	private function register_default_sources() {
863	$sources = [
864	'local',
865	'remote',
866	'cloud',
867	];
868
869	foreach ( $sources as $source_filename ) {
870	$class_name = ucwords( $source_filename );
871	$class_name = str_replace( '-', '_', $class_name );
872
873	$this->register_source( __NAMESPACE__ . '\Source_' . $class_name );
874	}
875	}
876
877	/**
878	* Handle ajax request.
879	*
880	* Fire authenticated ajax actions for any given ajax request.
881	*
882	* @since 1.0.0
883	* @access private
884	*
885	* @param string $ajax_request Ajax request.
886	*
887	* @param array $data
888	*
889	* @return mixed
890	* @throws \Exception If current user has no permission or the post is not found.
891	*/
892	private function handle_ajax_request( $ajax_request, array $data ) {
893	if ( ! User::is_current_user_can_edit_post_type( Source_Local::CPT ) ) {
894	throw new \Exception( 'Access denied.' );
895	}
896
897	if ( ! empty( $data['editor_post_id'] ) ) {
898	$editor_post_id = absint( $data['editor_post_id'] );
899
900	if ( ! get_post( $editor_post_id ) ) {
901	throw new \Exception( 'Post not found.' );
902	}
903
904	Plugin::$instance->db->switch_to_post( $editor_post_id );
905	}
906
907	$result = call_user_func( [ $this, $ajax_request ], $data );
908
909	if ( is_wp_error( $result ) ) {
910	throw new \Exception( esc_html( $result->get_error_message() ) );
911	}
912
913	return $result;
914	}
915
916	/**
917	* @throws \Exception If template import fails, file validation errors occur, or processing encounters issues.
918	*/
919	public function save_template_screenshot( $data ): string {
920	$validate_args = $this->ensure_args( [ 'template_id', 'screenshot' ], $data );
921
922	if ( is_wp_error( $validate_args ) ) {
923	return $validate_args;
924	}
925
926	$raw_binary = base64_decode( substr( $data['screenshot'], strlen( 'data:image/png;base64,' ) ) );
927
928	return $this->get_source( 'cloud' )->save_item_preview( $data['template_id'], $raw_binary );
929	}
930
931	/**
932	* @throws \Exception If template processing fails or data validation errors occur.
933	*/
934	public function template_screenshot_failed( $data ): string {
935	$validate_args = $this->ensure_args( [ 'template_id' ], $data );
936
937	if ( is_wp_error( $validate_args ) ) {
938	return $validate_args;
939	}
940
941	return $this->get_source( 'cloud' )->mark_preview_as_failed( $data['template_id'], $data['error'] );
942	}
943
944	public function bulk_delete_templates( $data ) {
945	$validate_args = $this->ensure_args( [ 'template_ids', 'source' ], $data );
946
947	if ( is_wp_error( $validate_args ) ) {
948	return $validate_args;
949	}
950
951	$source = $this->get_source( $data['source'] );
952
953	if ( ! $source ) {
954	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
955	}
956
957	if ( empty( $data['template_ids'] ) \|\| ! is_array( $data['template_ids'] ) ) {
958	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_IDS_MISSING );
959	}
960
961	return $source->bulk_delete_items( $data['template_ids'] );
962	}
963
964	public function bulk_undo_delete_items( $data ) {
965	$validate_args = $this->ensure_args( [ 'template_ids', 'source' ], $data );
966
967	if ( is_wp_error( $validate_args ) ) {
968	return $validate_args;
969	}
970
971	$source = $this->get_source( $data['source'] );
972
973	if ( ! $source ) {
974	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
975	}
976
977	if ( empty( $data['template_ids'] ) \|\| ! is_array( $data['template_ids'] ) ) {
978	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_IDS_MISSING );
979	}
980
981	return $source->bulk_undo_delete_items( $data['template_ids'] );
982	}
983
984	/**
985	* Init ajax calls.
986	*
987	* Initialize template library ajax calls for allowed ajax requests.
988	*
989	* @since 2.3.0
990	* @access public
991	*
992	* @param Ajax $ajax
993	*/
994	public function register_ajax_actions( Ajax $ajax ) {
995	$library_ajax_requests = [
996	'get_library_data',
997	'get_template_data',
998	'save_template',
999	'update_templates',
1000	'delete_template',
1001	'import_template',
1002	'mark_template_as_favorite',
1003	'import_from_json',
1004	'get_item_children',
1005	'search_templates',
1006	'rename_template',
1007	'load_more_templates',
1008	'create_folder',
1009	'get_folders',
1010	'save_template_screenshot',
1011	'move_template',
1012	'copy_template',
1013	'bulk_move_templates',
1014	'bulk_delete_templates',
1015	'bulk_copy_templates',
1016	'bulk_undo_delete_items',
1017	'get_templates_quota',
1018	'template_screenshot_failed',
1019	'process_global_styles',
1020	];
1021
1022	foreach ( $library_ajax_requests as $ajax_request ) {
1023	$ajax->register_ajax_action( $ajax_request, function( $data ) use ( $ajax_request ) {
1024	return $this->handle_ajax_request( $ajax_request, $data );
1025	} );
1026	}
1027	}
1028
1029	/**
1030	* @since 2.3.0
1031	* @access public
1032	*/
1033	public function handle_direct_actions() {
1034	if ( ! User::is_current_user_can_edit_post_type( Source_Local::CPT ) ) {
1035	return;
1036	}
1037
1038	/** @var Ajax $ajax */
1039	$ajax = Plugin::$instance->common->get_component( 'ajax' );
1040
1041	if ( ! $ajax->verify_request_nonce() ) {
1042	$this->handle_direct_action_error( 'Access Denied' );
1043	}
1044
1045	$action = Utils::get_super_global_value( $_REQUEST, 'library_action' ); // phpcs:ignore -- Nonce already verified.
1046
1047	$whitelist_methods = [
1048	'export_template',
1049	'direct_import_template',
1050	];
1051
1052	if ( 'direct_import_template' === $action && ! User::is_current_user_can_upload_json() ) {
1053	return;
1054	}
1055
1056	if ( in_array( $action, $whitelist_methods, true ) ) {
1057	$result = $this->$action( $_REQUEST ); // phpcs:ignore -- Nonce already verified.
1058	} else {
1059	$result = new \WP_Error( 'method_not_exists', 'Method Not exists' );
1060	}
1061
1062	if ( is_wp_error( $result ) ) {
1063	/** @var \WP_Error $result */
1064	$this->handle_direct_action_error( $result->get_error_message() . '.' );
1065	}
1066
1067	$callback = "on_{$action}_success";
1068
1069	if ( method_exists( $this, $callback ) ) {
1070	$this->$callback( $result );
1071	}
1072
1073	die;
1074	}
1075
1076	/**
1077	* On successful template import.
1078	*
1079	* Redirect the user to the template library after template import was
1080	* successful finished.
1081	*
1082	* @since 2.3.0
1083	* @access private
1084	*/
1085	private function on_direct_import_template_success() {
1086	wp_safe_redirect( admin_url( Source_Local::ADMIN_MENU_SLUG ) );
1087	}
1088
1089	/**
1090	* @since 2.3.0
1091	* @access private
1092	*/
1093	private function handle_direct_action_error( $message ) {
1094	_default_wp_die_handler( $message, 'Elementor Library' );
1095	}
1096
1097	/**
1098	* Ensure arguments exist.
1099	*
1100	* Checks whether the required arguments exist in the specified arguments.
1101	*
1102	* @since 1.0.0
1103	* @access private
1104	*
1105	* @param array $required_args Required arguments to check whether they
1106	* exist.
1107	* @param array $specified_args The list of all the specified arguments to
1108	* check against.
1109	*
1110	* @return \WP_Error\|true True on success, 'WP_Error' otherwise.
1111	*/
1112	private function ensure_args( array $required_args, array $specified_args ) {
1113	$not_specified_args = array_diff( $required_args, array_keys( $specified_args ) );
1114
1115	if ( $not_specified_args ) {
1116	return new \WP_Error( 'arguments_not_specified', sprintf( 'The required argument(s) "%s" not specified.', implode( ', ', $not_specified_args ) ) );
1117	}
1118
1119	return true;
1120	}
1121
1122	public function bulk_move_templates( array $args ) {
1123	$validate_args = $this->ensure_args( [ 'source', 'from_source', 'from_template_id' ], $args );
1124
1125	if ( is_wp_error( $validate_args ) ) {
1126	return $validate_args;
1127	}
1128
1129	$args['source'] = $args['source'][0];
1130
1131	return $this->bulk_move_template_items( $args );
1132	}
1133
1134	private function bulk_move_template_items( array $args ) {
1135	$source = $this->get_source( $args['source'] );
1136
1137	if ( ! $source ) {
1138	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
1139	}
1140
1141	if ( $this->is_action_to_same_source( $args ) ) {
1142	return $source->move_bulk_templates_to_folder( $args );
1143	}
1144
1145	$from_source = $this->get_source( $args['from_source'] );
1146
1147	if ( ! $from_source ) {
1148	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
1149	}
1150
1151	$bulk_args = $from_source->format_args_for_bulk_action( $args );
1152
1153	if ( $source->supports_quota() && ! $this->is_action_to_same_source( $args ) ) {
1154	$quota_validation = $source->validate_quota( $bulk_args );
1155
1156	if ( is_wp_error( $quota_validation ) ) {
1157	return $quota_validation;
1158	}
1159
1160	if ( false === $quota_validation ) {
1161	return new \WP_Error( 'quota_error', 'The moving failed because it will pass the maximum templates you can save.' );
1162	}
1163	}
1164
1165	$bulk_save = $source->save_bulk_items( $bulk_args );
1166
1167	if ( ! empty( $bulk_save ) ) {
1168	$this->bulk_delete_templates( [
1169	'template_ids' => $args['from_template_id'],
1170	'source' => $args['from_source'],
1171	] );
1172	}
1173
1174	return $bulk_save;
1175	}
1176
1177	public function bulk_copy_templates( array $args ) {
1178	$validate_args = $this->ensure_args( [ 'source', 'from_source', 'from_template_id' ], $args );
1179
1180	if ( is_wp_error( $validate_args ) ) {
1181	return $validate_args;
1182	}
1183
1184	$args['source'] = $args['source'][0];
1185
1186	return $this->bulk_copy_template_items( $args );
1187	}
1188
1189	private function bulk_copy_template_items( array $args ) {
1190	$source = $this->get_source( $args['source'] );
1191
1192	if ( ! $source ) {
1193	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
1194	}
1195
1196	$from_source = $this->get_source( $args['from_source'] );
1197
1198	if ( ! $from_source ) {
1199	return new \WP_Error( 'template_error', self::ERROR_TEMPLATE_SOURCE_NOT_FOUND );
1200	}
1201
1202	$bulk_args = $from_source->format_args_for_bulk_action( $args );
1203
1204	if ( $source->supports_quota() && ! $this->is_action_to_same_source( $args ) ) {
1205	$quota_validation = $source->validate_quota( $bulk_args );
1206
1207	if ( is_wp_error( $quota_validation ) ) {
1208	return $quota_validation;
1209	}
1210
1211	if ( false === $quota_validation ) {
1212	return new \WP_Error( 'quota_error', 'The copying failed because it will pass the maximum templates you can save.' );
1213	}
1214	}
1215
1216	return $source->save_bulk_items( $bulk_args );
1217	}
1218
1219	public function get_templates_quota( array $args ) {
1220	$validate_args = $this->ensure_args( [ 'source' ], $args );
1221
1222	if ( is_wp_error( $validate_args ) ) {
1223	return $validate_args;
1224	}
1225
1226	$source = $this->get_source( $args['source'] );
1227
1228	if ( ! $source ) {
1229	return new \WP_Error( 'template_error', 'Source not found.' );
1230	}
1231
1232	return $source->get_quota();
1233	}
1234	}
1235