polylang / settings / settings-licenses.php

settings-licenses.php in Polylang 2.9.2, at settings/settings-licenses.php

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1	<?php
2	/**
3	* @package Polylang
4	*/
5
6	/**
7	* Settings class for licenses
8	*
9	* @since 1.9
10	*/
11	class PLL_Settings_Licenses extends PLL_Settings_Module {
12	/**
13	* Stores the display order priority.
14	*
15	* @var int
16	*/
17	public $priority = 100;
18
19	/**
20	* Stores an array of PLL_License instances.
21	*
22	* @var array
23	*/
24	protected $items;
25
26	/**
27	* Constructor
28	*
29	* @since 1.9
30	*
31	* @param object $polylang polylang object
32	*/
33	public function __construct( &$polylang ) {
34	parent::__construct(
35	$polylang,
36	array(
37	'module' => 'licenses',
38	'title' => __( 'License keys', 'polylang' ),
39	'description' => __( 'Manage licenses for Polylang Pro and add-ons.', 'polylang' ),
40	)
41	);
42
43	$this->buttons['cancel'] = sprintf( '<button type="button" class="button button-secondary cancel">%s</button>', __( 'Close', 'polylang' ) );
44
45	$this->items = apply_filters( 'pll_settings_licenses', array() );
46
47	add_action( 'wp_ajax_pll_deactivate_license', array( $this, 'deactivate_license' ) );
48	}
49
50	/**
51	* Tells if the module is active
52	*
53	* @since 1.9
54	*
55	* @return bool
56	*/
57	public function is_active() {
58	return ! empty( $this->items );
59	}
60
61	/**
62	* Displays the settings form
63	*
64	* @since 1.9
65	*/
66	protected function form() {
67	if ( ! empty( $this->items ) ) { ?>
68	<table id="pll-licenses-table" class="form-table">
69	<?php
70	foreach ( $this->items as $item ) {
71	echo $this->get_row( $item ); // phpcs:ignore WordPress.Security.EscapeOutput
72	}
73	?>
74	</table>
75	<?php
76	}
77	}
78
79	/**
80	* Get the html for a row (one per license key) for display
81	*
82	* @since 1.9
83	*
84	* @param array $item licence id, name and key
85	* @return string
86	*/
87	protected function get_row( $item ) {
88	return $item->get_form_field();
89	}
90
91	/**
92	* Ajax method to save the license keys and activate the licenses at the same time
93	* Overrides parent's method
94	*
95	* @since 1.9
96	*/
97	public function save_options() {
98	check_ajax_referer( 'pll_options', '_pll_nonce' );
99	if ( ! current_user_can( 'manage_options' ) ) {
100	wp_die( -1 );
101	}
102
103	if ( isset( $_POST['module'] ) && $this->module === $_POST['module'] && ! empty( $_POST['licenses'] ) ) {
104	$x = new WP_Ajax_Response();
105	foreach ( $this->items as $item ) {
106	if ( ! empty( $_POST['licenses'][ $item->id ] ) ) {
107	$updated_item = $item->activate_license( sanitize_key( $_POST['licenses'][ $item->id ] ) );
108	$x->Add( array( 'what' => 'license-update', 'data' => $item->id, 'supplemental' => array( 'html' => $this->get_row( $updated_item ) ) ) );
109	}
110	}
111
112	// Updated message
113	add_settings_error( 'general', 'settings_updated', __( 'Settings saved.', 'polylang' ), 'updated' );
114	ob_start();
115	settings_errors();
116	$x->Add( array( 'what' => 'success', 'data' => ob_get_clean() ) );
117	$x->send();
118	}
119	}
120
121	/**
122	* Ajax method to deactivate a license
123	*
124	* @since 1.9
125	*/
126	public function deactivate_license() {
127	check_ajax_referer( 'pll_options', '_pll_nonce' );
128
129	if ( ! current_user_can( 'manage_options' ) ) {
130	wp_die( -1 );
131	}
132
133	if ( ! isset( $_POST['id'] ) ) {
134	wp_die( 0 );
135	}
136
137	$id = substr( sanitize_text_field( wp_unslash( $_POST['id'] ) ), 11 );
138	wp_send_json(
139	array(
140	'id' => $id,
141	'html' => $this->get_row( $this->items[ $id ]->deactivate_license() ),
142	)
143	);
144	}
145	}
146