class-coupon.php — NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall 4.9

ninjafirewall / lib / class-coupon.php

ninjafirewall / lib Last commit date

class-coupon.php

149 lines

1	<?php
2	/*
3	+=====================================================================+
4	\| _ _ _ _ _____ _ _ _ \|
5	\| \| \ \| (_)_ __ (_) __ _\| ___(_)_ __ _____ ____ _\| \| \| \|
6	\| \| \\| \| \| '_ \ \| \|/ _` \| \|_ \| \| '__/ _ \ \ /\ / / _` \| \| \| \|
7	\| \| \|\ \| \| \| \| \|\| \| (_\| \| _\| \| \| \| \| __/\ V V / (_\| \| \| \| \|
8	\| \|_\| \_\|_\|_\| \|_\|/ \|\__,_\|_\| \|_\|_\| \___\| \_/\_/ \__,_\|_\|_\| \|
9	\| \|__/ \|
10	\| (c) NinTechNet Limited ~ https://nintechnet.com/ \|
11	+=====================================================================+
12	*/
13
14	if ( class_exists('NinjaFirewall_coupon') ) {
15	return;
16	}
17
18	class NinjaFirewall_coupon {
19
20	private $options = [];
21	private $frequency = 86400; /** Daily check only */
22	private $url = 'https://api.nintechnet.com/coupons';
23	private $cache = NFW_LOG_DIR . '/nfwlog/cache';
24	private $file = 'coupon.png';
25
26	/**
27	* Retrieve NinjaFirewall's options.
28	*/
29	function __construct() {
30
31	$this->options = nfw_get_option('nfw_options');
32	}
33
34
35	/**
36	* Display any available coupon.
37	*/
38	function show() {
39
40	if ( empty( $this->options['coupon']['date'] ) ) {
41	return ['error' => 'no coupon'];
42	}
43	/**
44	* Make sure it didn't expire yet.
45	*/
46	$today = date('Y-m-d');
47	if ( $today > $this->options['coupon']['date'] ) {
48	return ['error' => 'expired coupon'];
49	}
50
51	if (! is_file( "{$this->cache}/{$this->file}" ) ) {
52	return ['error' => 'missing file'];
53	}
54	$data = file_get_contents( "{$this->cache}/{$this->file}" );
55
56	$until = 'This offer is valid until '.
57	date('F d', strtotime( $this->options['coupon']['date'] ) );
58
59	if (! empty( $this->options['coupon']['url'] ) ) {
60	$url = $this->options['coupon']['url'];
61	} else {
62	$url = 'https://nintechnet.com/';
63	}
64
65	echo '<a href="'. esc_url( $url ) .'" alt="Go Pro! Limited time offer" '.
66	'title="Go Pro! Limited time offer" target="_blank" rel="noreferrer noopener">'.
67	'<img style="max-width:250px" src="data:image/png;base64, '. esc_attr( $data ) .'" />'.
68	'<br />'. esc_html( $until ) .'</a>';
69	}
70
71
72	/**
73	* Remote connection (WP-CRON).
74	*/
75	function run() {
76	/**
77	* We run on the main site only.
78	*/
79	if (! is_main_site() ) {
80	return ['error' => 'child site'];
81	}
82
83	/**
84	* It should not run more than once daily.
85	*/
86	if (! empty( $this->options['cronjobs']['coupon']['last'] ) &&
87	$this->options['cronjobs']['coupon']['last'] + $this->frequency > time() ) {
88
89	return ['error' => 'frequency'];
90	}
91	/**
92	* Update last checked time.
93	*/
94	$this->options['cronjobs']['coupon']['last'] = time();
95	nfw_update_option('nfw_options', $this->options );
96	/**
97	* Connect.
98	*/
99	global $wp_version;
100	$res = wp_remote_get(
101	$this->url,
102	[
103	'timeout' => 5,
104	'httpversion' => '1.1' ,
105	'user-agent' => 'Mozilla/5.0 (compatible; NinjaFirewall/'.
106	NFW_ENGINE_VERSION ."; WordPress/$wp_version)",
107	'sslverify' => true,
108	'headers' => [
109	'ntn-plugin' => 'nf',
110	'ntn-cache' => md5( network_site_url() )
111	]
112	]
113	);
114	if (! is_wp_error( $res ) && $res['response']['code'] == 200 ) {
115	$coupon = json_decode( $res['body'], true );
116
117	if ( empty( $coupon['nf']['img'] ) ) {
118	/**
119	* Clear the old coupon.
120	*/
121	if (! empty( $this->options['coupon'] ) ) {
122	unset( $this->options['coupon'] );
123	nfw_update_option('nfw_options', $this->options );
124	}
125	return ['error' => 'no coupon'];
126	}
127	/**
128	* Save the image.
129	*/
130	@ file_put_contents( "{$this->cache}/{$this->file}", $coupon['nf']['img'] );
131	$coupon['nf']['img'] = $this->file;
132
133	if ( empty( $this->options['coupon'] ) \|\| $this->options['coupon'] != $coupon['nf'] ) {
134	/**
135	* Save/update the coupon.
136	*/
137	$this->options['coupon'] = $coupon['nf'];
138	nfw_update_option('nfw_options', $this->options );
139	}
140	return $coupon['nf'];
141	}
142	return ['error' => 'HTTP error'];
143	}
144
145	}
146
147	// =====================================================================
148	// EOF
149