sendwp / includes / functions.php

functions.php in SendWP 1.0.3, at includes/functions.php

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1	<?php
2
3	function sendwp_get_server_url()
4	{
5	$server_url = ( defined('SENDWP_SERVER_URL') ) ? SENDWP_SERVER_URL : 'https://sendwp.com';
6	return trailingslashit( $server_url );
7	}
8
9	function sendwp_get_request_auth_header()
10	{
11	return 'Basic ' . base64_encode( sendwp_get_client_name() . ':' . sendwp_get_client_secret() );
12	}
13
14	function sendwp_get_client_name()
15	{
16	$site_url = get_site_url();
17	return parse_url( $site_url, PHP_URL_HOST );
18	}
19	function sendwp_get_client_url()
20	{
21	return get_site_url();
22	}
23
24	function sendwp_get_client_redirect()
25	{
26	return add_query_arg('page', 'sendwp', get_admin_url(null, 'tools.php') );
27	}
28
29	function sendwp_get_client_secret()
30	{
31	$secret = get_option( 'sendwp_client_secret' );
32	if(!$secret) {
33	$secret = sendwp_generate_secret();
34	sendwp_set_client_secret($secret);
35	}
36	return $secret;
37	}
38
39	function sendwp_set_client_secret( $secret )
40	{
41	return update_option( 'sendwp_client_secret', $secret );
42	}
43
44	function sendwp_generate_secret( $length = 40 )
45	{
46	if( 0 >= $length ) $length = 40; // Min key length.
47	if( 255 <= $length ) $length = 255; // Max key length.
48
49	$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
50	$random_string = '';
51	for ( $i = 0; $i < $length; $i ++ ) {
52	$random_string .= $characters[ rand( 0, strlen( $characters ) - 1 ) ];
53	}
54
55	return $random_string;
56	}
57
58	function sendwp_connect_client()
59	{
60	update_option('sendwp_client_connected', '1');
61	}
62
63	function sendwp_disconnect_client()
64	{
65	update_option('sendwp_client_connected', '0');
66	}
67
68	function sendwp_client_connected()
69	{
70	$connected = get_option('sendwp_client_connected', '0');
71	if ('1' == $connected) {
72	$connected = true;
73	} else {
74	$connected = false;
75	}
76	return $connected;
77	}
78
79	function sendwp_update_client_connection()
80	{
81	if (! isset($_POST['sendwp_server_request'])) return false;
82	if (! isset($_POST['sendwp_hash']) \|\| ! sendwp_validate_hash($_POST['sendwp_hash'])) return false;
83	if ('disconnect' == $_POST['sendwp_server_request']) {
84	sendwp_disconnect_client();
85	} elseif ('connect' == $_POST['sendwp_server_request']) {
86	sendwp_connect_client();
87	}
88	}
89
90	function sendwp_get_client_status()
91	{
92	if (! isset($_POST['sendwp_request_status'])) return false;
93	if (! isset($_POST['sendwp_hash']) \|\| ! sendwp_validate_hash($_POST['sendwp_hash'])) return false;
94	$response = [
95	'connected' => sendwp_client_connected(),
96	'enabled' => sendwp_forwarding_enabled()
97	];
98	header('Content-Type: application/json');
99	echo json_encode($response);
100	die();
101	}
102
103	function sendwp_validate_hash( $hash )
104	{
105	return sendwp_generate_hash() === $hash;
106	}
107
108	function sendwp_generate_hash()
109	{
110	$data = sendwp_get_client_name() . sendwp_get_client_secret();
111	return hash('sha256', $data);
112	}
113
114	function sendwp_enable_forwarding()
115	{
116	update_option('sendwp_forwarding_enabled', '1');
117	}
118
119	function sendwp_disable_forwarding()
120	{
121	update_option('sendwp_forwarding_enabled', '0');
122	}
123
124	function sendwp_forwarding_disabled_notice()
125	{
126	if( isset( $_GET['page'] ) && 'sendwp' == $_GET['page'] ) return;
127
128	if (!sendwp_forwarding_enabled() ) {
129	wp_enqueue_style('sendwp-notices', plugins_url( 'assets/css/admin/notices.css', __DIR__));
130	include 'admin/views/disabled-notice.html.php';
131	}
132	}
133
134	function sendwp_forwarding_enabled()
135	{
136	$enabled = get_option('sendwp_forwarding_enabled', '1');
137	if ('1' == $enabled && sendwp_client_connected()) {
138	$enabled = true;
139	} else {
140	$enabled = false;
141	}
142	return $enabled;
143	}
144
145	function sendwp_maybe_disable_forwarding()
146	{
147	if (! isset($_POST['security'])) return false;
148	if (! wp_verify_nonce($_POST['security'], 'sendwp_settings_nonce')) return false;
149	if (isset($_POST['sendwp_forwarding'])) {
150	if ('enable' == $_POST['sendwp_forwarding']) {
151	sendwp_enable_forwarding();
152	} elseif('disable' == $_POST['sendwp_forwarding']) {
153	sendwp_disable_forwarding();
154	}
155	}
156	}
157
158	function sendwp_connect_pulse_monitor()
159	{
160	if (! wp_next_scheduled('sendwp_heartbeat')) {
161	wp_schedule_event(time(), 'daily', 'sendwp_heartbeat');
162	}
163	}
164
165	function sendwp_pulse_monitor()
166	{
167	if (get_transient('sendwp_pulse_monitor')) return false;
168	$status = 'unknown';
169	$request = \SendWP\API\Request::create('clients/status');
170	$response = $request->post( [] );
171
172	if(is_wp_error($response)){
173	set_transient('sendwp_pulse_monitor', $response->get_error_message(), 10 * MINUTE_IN_SECONDS);
174	return;
175	}
176
177	$response_body = wp_remote_retrieve_body($response);
178	set_transient('sendwp_pulse_monitor', $response_body, 10 * MINUTE_IN_SECONDS);
179
180	$status = json_decode($response_body);
181
182	if ('not-connected' == $status->message) {
183	sendwp_disconnect_client();
184	} elseif ('connected' == $status->message) {
185	sendwp_connect_client();
186	}
187	}
188
189	function sendwp_last_pulse()
190	{
191	$timestamp = time();
192	$saved = get_option('_transient_timeout_sendwp_pulse_monitor', $timestamp);
193	if($saved > $timestamp) {
194	$timestamp = $saved - 600;
195	}
196	$iso_date = date( 'Y-m-d H:i:s', $timestamp );
197	$local_timestamp = get_date_from_gmt( $iso_date, 'F j, Y, g:i a' );
198	return $local_timestamp;
199	}
200
201	function sendwp_last_pulse_result()
202	{
203	return get_option('_transient_sendwp_pulse_monitor', 'unknown');
204	}