sharing-image / classes / class-tools.php

class-tools.php in Sharing Image trunk, at classes/class-tools.php

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1	<?php
2	/**
3	* Handle tools tab on settings page and provide static methods.
4	*
5	* @package sharing-image
6	* @author Anton Lukin
7	*/
8
9	namespace Sharing_Image;
10
11	if ( ! defined( 'ABSPATH' ) ) {
12	die;
13	}
14
15	/**
16	* Tools class.
17	*
18	* @class Tools
19	*/
20	class Tools {
21	/**
22	* Sharing Image config options name.
23	*
24	* @var string
25	*/
26	const OPTION_CONFIG = 'sharing_image_config';
27
28	/**
29	* Init class actions and filters.
30	*/
31	public static function init() {
32	add_action( 'admin_init', array( __CLASS__, 'handle_requests' ) );
33	}
34
35	/**
36	* Handle tools requests from admin-side.
37	*/
38	public static function handle_requests() {
39	add_action( 'admin_post_sharing_image_export_templates', array( __CLASS__, 'export_templates' ) );
40	add_action( 'admin_post_sharing_image_import_templates', array( __CLASS__, 'import_templates' ) );
41	add_action( 'admin_post_sharing_image_clone_template', array( __CLASS__, 'clone_template' ) );
42	add_action( 'admin_post_sharing_image_clear_templates', array( __CLASS__, 'clear_templates' ) );
43	}
44
45	/**
46	* Action to export templates.
47	*/
48	public static function export_templates() {
49	check_admin_referer( Settings::SETTINGS_NONCE, 'nonce' );
50
51	if ( ! current_user_can( 'manage_options' ) ) {
52	wp_die( esc_html__( 'Sorry, you do not have permission to manage options for this site.', 'sharing-image' ) );
53	}
54
55	$templates = Templates::get_templates();
56
57	// Remove site-dependent posters.
58	foreach ( $templates as &$template ) {
59	unset( $template['preview'] );
60	}
61
62	$filename = 'sharing-image-export-' . time() . '.json';
63
64	status_header( 200 );
65
66	header( 'Content-Description: File Transfer' );
67	header( "Content-Disposition: attachment; filename={$filename}" );
68	header( 'Content-Type: application/json; charset=utf-8' );
69
70	echo wp_json_encode( $templates, JSON_UNESCAPED_UNICODE \| JSON_PRETTY_PRINT );
71	exit;
72	}
73
74	/**
75	* Action to import templates.
76	*/
77	public static function import_templates() {
78	check_admin_referer( Settings::SETTINGS_NONCE, 'sharing_image_nonce' );
79
80	if ( ! current_user_can( 'manage_options' ) ) {
81	wp_die( esc_html__( 'Sorry, you do not have permission to manage options for this site.', 'sharing-image' ) );
82	}
83
84	if ( ! current_user_can( 'upload_files' ) ) {
85	wp_die( esc_html__( 'Sorry, you do not have permission to upload files.', 'sharing-image' ) );
86	}
87
88	$redirect = Settings::get_tab_link( 'tools' );
89
90	if ( empty( $_FILES['sharing_image_file']['tmp_name'] ) ) {
91	Settings::redirect_with_message( $redirect, 6 );
92	}
93
94	if ( ! empty( $_FILES['sharing_image_file']['error'] ) ) {
95	Settings::redirect_with_message( $redirect, 6 );
96	}
97
98	$file = sanitize_text_field( $_FILES['sharing_image_file']['tmp_name'] );
99
100	// phpcs:ignore WordPress.WP.AlternativeFunctions
101	$templates = file_get_contents( $file );
102	$templates = json_decode( $templates, true );
103
104	// Check if empty.
105	if ( empty( $templates ) \|\| ! is_array( $templates ) ) {
106	Settings::redirect_with_message( $redirect, 7 );
107	}
108
109	foreach ( $templates as $index => $template ) {
110	$index = sanitize_key( $index );
111
112	if ( ! Templates::is_valid_unique_index( $index ) ) {
113	$index = Templates::create_unique_index();
114	}
115
116	Templates::update_templates( $index, Templates::sanitize_editor( $template ) );
117	}
118
119	Settings::redirect_with_message( $redirect, 9 );
120	}
121
122	/**
123	* Action to clone template.
124	*/
125	public static function clone_template() {
126	check_admin_referer( Settings::SETTINGS_NONCE, 'sharing_image_nonce' );
127
128	if ( ! current_user_can( 'manage_options' ) ) {
129	wp_die( esc_html__( 'Sorry, you are not allowed to manage options for this site.', 'sharing-image' ) );
130	}
131
132	$redirect = Settings::get_tab_link( 'tools' );
133
134	if ( ! isset( $_REQUEST['sharing_image_source'] ) ) {
135	Settings::redirect_with_message( $redirect, 10 );
136	}
137
138	$index = sanitize_key( $_REQUEST['sharing_image_source'] );
139
140	// Get all templates to find by index.
141	$templates = Templates::get_templates();
142
143	if ( ! isset( $templates[ $index ] ) ) {
144	Settings::redirect_with_message( $redirect, 10 );
145	}
146
147	$template = $templates[ $index ];
148
149	// Remove poster if exists.
150	unset( $template['preview'] );
151
152	if ( empty( $template['title'] ) ) {
153	$template['title'] = esc_html__( 'Untitled', 'sharing-image' );
154	}
155
156	$prefix = esc_html__( 'Copy: ' );
157
158	if ( strpos( $template['title'], $prefix ) !== 0 ) {
159	$template['title'] = $prefix . $template['title'];
160	}
161
162	$layers = array();
163
164	foreach ( $template['layers'] as $layer ) {
165	$key = Templates::generate_layer_key();
166
167	$layers[ $key ] = $layer;
168	}
169
170	$template['layers'] = $layers;
171
172	if ( ! Templates::update_templates( Templates::create_unique_index(), $template ) ) {
173	Settings::redirect_with_message( $redirect, 10 );
174	}
175
176	Settings::redirect_with_message( $redirect, 11 );
177	}
178
179	/**
180	* Action to clear templates data.
181	*/
182	public static function clear_templates() {
183	check_admin_referer( Settings::SETTINGS_NONCE, 'nonce' );
184
185	if ( ! current_user_can( 'manage_options' ) ) {
186	wp_die( esc_html__( 'Sorry, you do not have permission to manage options for this site.', 'sharing-image' ) );
187	}
188
189	$redirect = Settings::get_tab_link( 'tools' );
190
191	delete_metadata( 'post', null, Widget::META_SOURCE, '', true );
192	delete_metadata( 'post', null, Widget::META_FIELDSET, '', true );
193
194	delete_metadata( 'term', null, Widget::META_SOURCE, '', true );
195	delete_metadata( 'term', null, Widget::META_FIELDSET, '', true );
196
197	Settings::redirect_with_message( $redirect, 12 );
198	}
199	}
200