wecantrack / wecantrack.php

wecantrack.php in Affiliate Sales in Google Analytics and other tools trunk, at wecantrack.php

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1	<?php
2	/**
3	* Plugin Name: WeCanTrack
4	* Plugin URI: https://wecantrack.com/wordpress
5	* Description: Integrate all your affiliate sales into Google Analytics, Google Ads, Facebook, Data Studio, and more!
6	* Version: 5.5.0
7	* Author: WeCanTrack
8	* Author URI: https://wecantrack.com
9	* Requires PHP: 7.4
10	* Requires at least: 5.0
11	* Tested up to: 7.1
12	* License: GPLv3
13	* License URI: https://www.gnu.org/licenses/gpl-3.0.html
14	* Text Domain: wecantrack
15	* Domain Path: /languages
16	*/
17
18	if (!defined('ABSPATH')) { die('You are not allowed to call this page directly.'); }
19
20	define('WECANTRACK_VERSION', '5.5.0');
21	define('WECANTRACK_PLUGIN_NAME', 'wecantrack');
22	define('WECANTRACK_PATH', plugin_dir_path(__FILE__));
23	define('WECANTRACK_URL', plugin_dir_url(__FILE__));
24	// Overridable for local development (e.g. in wp-config.php via .wp-env.override.json);
25	// the shipped default always points at production.
26	if (!defined('WECANTRACK_API_BASE_URL')) {
27	define('WECANTRACK_API_BASE_URL', 'https://api.wecantrack.com');
28	}
29
30	// Load core classes
31	require_once(WECANTRACK_PATH . '/WecantrackHelper.php');
32
33	if (is_admin() \|\| defined('WP_CLI')) {
34	require_once(WECANTRACK_PATH . '/WecantrackDiagnostics.php');
35	require_once(WECANTRACK_PATH . '/WecantrackAdmin.php');
36	new WecantrackAdmin();
37	} else if ((! defined('DOING_CRON') \|\| ! DOING_CRON) && filter_input(INPUT_SERVER, 'REQUEST_URI') !== '/wp-login.php') {
38	// Do not enqueue our JS scripts in Thrive Architect's iframe.
39	$thriveIsActive = defined('TVE_PLUGIN_FILE') && strpos(filter_input(INPUT_SERVER, 'REQUEST_URI'), 'tve=true') !== false;
40	$elementorIsActive = defined('ELEMENTOR_VERSION') && strpos(filter_input(INPUT_SERVER, 'REQUEST_URI'), 'elementor-preview=') !== false;
41	$diviIsActive = defined('ET_CORE_VERSION') && strpos(filter_input(INPUT_SERVER, 'REQUEST_URI'), 'et_fb=') !== false;
42
43	if (! $thriveIsActive && ! $elementorIsActive && ! $diviIsActive) {
44	require_once(WECANTRACK_PATH . '/WecantrackApp.php');
45
46	if (! empty($_GET['afflink']) && ! empty($_GET['data'])) {
47	add_action('template_redirect', 'wecantrack_handle_deprecated_go_redirect');
48	}
49
50	new WecantrackApp();
51	}
52	}
53
54	/**
55	* Installation/Uninstall process
56	*/
57
58	register_activation_hook(__FILE__, 'wecantrack_plugin_activation');
59	register_deactivation_hook(__FILE__, 'wecantrack_plugin_deactivation');
60	register_uninstall_hook(__FILE__, 'wecantrack_plugin_uninstall');
61	add_action('upgrader_process_complete', 'wecantrack_plugin_upgraded', 10, 2);
62	add_action('wecantrack_cron_refresh', 'wecantrack_refresh_website_options');
63
64	// Ensure cron is scheduled for existing installs that updated without reactivating
65	if (is_admin() && !wp_next_scheduled('wecantrack_cron_refresh')) {
66	wp_schedule_event(time(), 'hourly', 'wecantrack_cron_refresh');
67	}
68
69	if (!function_exists('wecantrack_refresh_website_options')) {
70	/**
71	* Cron callback that refreshes website options and tracking code from the WeCanTrack API.
72	*
73	* @return void
74	*/
75	function wecantrack_refresh_website_options()
76	{
77	$api_key = get_option('wecantrack_api_key');
78	if (empty($api_key)) {
79	return;
80	}
81
82	try {
83	WecantrackHelper::refresh_config_with_candidates($api_key, WecantrackHelper::get_candidate_site_urls());
84	} catch (\Exception $e) {
85	error_log('[WeCanTrack] Cron refresh error: ' . $e->getMessage());
86	}
87	}
88	}
89
90	if (!function_exists('wecantrack_plugin_activation')) {
91	/**
92	* Runs on plugin activation.
93	*
94	* Registers default plugin options in the WordPress database.
95	*
96	* @return void
97	*/
98	function wecantrack_plugin_activation()
99	{
100	add_option('wecantrack_api_key', null, null);
101	add_option('wecantrack_plugin_status', 0, null);
102	add_option('wecantrack_fetch_expiration', null, null);
103	add_option('wecantrack_snippet', 1, null);
104	add_option('wecantrack_session_enabler', null, null);
105	add_option('wecantrack_snippet_version', null, null);
106	add_option('wecantrack_domain_patterns', null, null);
107	add_option('wecantrack_custom_redirect_html', null, null);
108	add_option('wecantrack_redirect_options', null, null);
109	add_option('wecantrack_website_options', null, null);
110	add_option('wecantrack_version', null, null);
111	add_option('wecantrack_storage', null, null);
112	add_option('wecantrack_referrer_cookie_status', 0, null);
113	add_option('wecantrack_website_override', null, null);
114
115	if (!wp_next_scheduled('wecantrack_cron_refresh')) {
116	wp_schedule_event(time(), 'hourly', 'wecantrack_cron_refresh');
117	}
118	}
119	}
120
121	if (!function_exists('wecantrack_plugin_deactivation')) {
122	/**
123	* Runs on plugin deactivation.
124	*
125	* Disables plugin functionality without deleting saved options.
126	*
127	* @return void
128	*/
129	function wecantrack_plugin_deactivation()
130	{
131	update_option('wecantrack_plugin_status', 0);
132	wp_clear_scheduled_hook('wecantrack_cron_refresh');
133	}
134	}
135
136	if (!function_exists('wecantrack_plugin_uninstall')) {
137	/**
138	* Runs on plugin uninstall.
139	*
140	* Deletes all plugin options from the WordPress database.
141	* This is a full cleanup to ensure no leftover data remains.
142	*
143	* @return void
144	*/
145	function wecantrack_plugin_uninstall()
146	{
147	delete_option('wecantrack_api_key');
148	delete_option('wecantrack_plugin_status');
149	delete_option('wecantrack_fetch_expiration');
150	delete_option('wecantrack_snippet');
151	delete_option('wecantrack_session_enabler');
152	delete_option('wecantrack_snippet_version');
153	delete_option('wecantrack_domain_patterns');
154	delete_option('wecantrack_custom_redirect_html');
155	delete_option('wecantrack_redirect_options');
156	delete_option('wecantrack_website_options');
157	delete_option('wecantrack_version');
158	delete_option('wecantrack_storage');
159	delete_option('wecantrack_referrer_cookie_status');
160	delete_option('wecantrack_website_override');
161	}
162	}
163
164	if (!function_exists('wecantrack_plugin_upgraded')) {
165	/**
166	* Callback triggered after plugin is updated.
167	*
168	* If this plugin was updated, it refreshes the WeCanTrack tracking code
169	* and website information, then clears all known cache layers.
170	*
171	* @param WP_Upgrader $upgrader_object The upgrader instance.
172	* @param array $options Array of options for the upgrade action.
173	*
174	* @return void
175	*/
176	function wecantrack_plugin_upgraded($upgrader_object, $options) {
177	$current_plugin_path_name = plugin_basename( __FILE__ );
178
179	if ($options['action'] == 'upgrade' && $options['type'] == 'plugin') {
180	foreach($options['plugins'] as $each_plugin) {
181	if ($each_plugin == $current_plugin_path_name) {
182	$api_key = get_option('wecantrack_api_key');
183
184	if (empty($api_key)) {
185	return;
186	}
187
188	// refetch the wecantrack script
189	try {
190	WecantrackHelper::refresh_config_with_candidates($api_key, WecantrackHelper::get_candidate_site_urls());
191	} catch (\Exception $e) {
192	error_log('[WeCanTrack] Error occurred during plugin upgrade. Message: ' . $e->getMessage() . ' in ' . $e->getFile() . ' on line ' . $e->getLine());
193	}
194
195	wecantrack_clear_all_known_caches();
196	}
197	}
198	}
199	}
200	}
201
202	if (!function_exists('wecantrack_clear_all_known_caches')) {
203	/**
204	* Clears cache from known WordPress caching plugins and platforms.
205	*
206	* Attempts to programmatically flush caches for:
207	* - WP Super Cache
208	* - W3 Total Cache
209	* - WP Rocket
210	* - LiteSpeed
211	* - SiteGround
212	* - Autoptimize
213	* - Swift Performance
214	* - Hummingbird
215	* - Comet Cache
216	* - Breeze
217	* - WP Fastest Cache
218	* - WP-Optimize
219	* - Cache Enabler
220	* - Kinsta
221	* - Hyper Cache
222	* - Simple Cache
223	* - Cachify
224	*
225	* @return void
226	*/
227	function wecantrack_clear_all_known_caches() {
228	// WP Super Cache
229	if (function_exists('wp_cache_clear_cache')) {
230	wp_cache_clear_cache();
231	}
232
233	// W3 Total Cache
234	if (class_exists('W3_Plugin_TotalCacheAdmin')) {
235	if (function_exists('w3_instance')) {
236	$w3_plugin_totalcacheadmin = w3_instance('W3_Plugin_TotalCacheAdmin');
237	if (method_exists($w3_plugin_totalcacheadmin, 'flush_all')) {
238	$w3_plugin_totalcacheadmin->flush_all();
239	}
240	}
241	}
242
243	// WP Rocket
244	if (function_exists('rocket_clean_domain')) {
245	rocket_clean_domain();
246	}
247
248	// LiteSpeed Cache
249	do_action('litespeed_purge_all');
250
251	// SiteGround Optimizer
252	if (class_exists('SG_CachePress_Supercacher')) {
253	$sg_cache = new SG_CachePress_Supercacher();
254	$sg_cache->purge_cache();
255	}
256
257	// Autoptimize (Clears only its own cache)
258	if (class_exists('autoptimizeCache')) {
259	autoptimizeCache::clearall();
260	}
261
262	// Swift Performance
263	if (class_exists('Swift_Performance_Cache')) {
264	Swift_Performance_Cache::clear_all_cache();
265	}
266
267	// Hummingbird (by WPMU DEV)
268	do_action('wphb_clear_cache');
269
270	// Comet Cache (Zencache)
271	if (class_exists('comet_cache')) {
272	comet_cache::clear();
273	}
274
275	// Breeze (by Cloudways)
276	if (function_exists('breeze_clear_cache')) {
277	breeze_clear_cache();
278	}
279
280	// WP Fastest Cache
281	if (function_exists('wpfc_clear_all_cache')) {
282	// true = clear minified CSS/JS as well; omit/false if you only need the page cache.
283	wpfc_clear_all_cache(true);
284	}
285
286	// WP-Optimize
287	if (function_exists('wpo_cache_flush')) {
288	wpo_cache_flush();
289	}
290
291	// Cache Enabler
292	if (function_exists('cache_enabler_clear_total_cache')) {
293	cache_enabler_clear_total_cache();
294	}
295
296	// Kinsta MU Cache
297	do_action('kinsta_cache_purge_all');
298
299	// Hyper Cache
300	if (function_exists('hyper_cache_clean')) {
301	hyper_cache_clean();
302	}
303
304	// Simple Cache
305	if (function_exists('sc_clear_cache')) {
306	sc_clear_cache();
307	}
308
309	// Cachify
310	if (function_exists('cachify_flush_total_cache')) {
311	cachify_flush_total_cache();
312	}
313	}
314	}
315
316	if (!function_exists('wecantrack_handle_deprecated_go_redirect')) {
317	/**
318	* Handles deprecated /go redirects.
319	* This function sends a 410 Gone status and displays a message indicating that the redirect method is no longer supported.
320	* Additionally, it optionally emails the admin once per hour if the deprecated link is accessed.
321	*
322	* @return void Terminates script execution with exit().
323	*/
324	function wecantrack_handle_deprecated_go_redirect() {
325	status_header(410); // Gone
326	header('Content-Type: text/html; charset=utf-8');
327
328	echo '<html>';
329	echo '<head>';
330	echo '<meta name="robots" content="noindex,nofollow">';
331	echo '<meta charset="UTF-8">';
332	echo '<title>Redirect Not Available</title>';
333	echo '<style>body{font-family:sans-serif;padding:2em;max-width:600px;margin:auto;}</style>';
334	echo '</head>';
335
336	echo '<body>';
337	echo '<h1>Link no longer available</h1>';
338	echo '<p>This affiliate link redirect method is no longer supported.</p>';
339	echo '<p>If you are the site admin, please clear your website and CDN caches to resolve issues with outdated or broken outgoing links.</p>';
340	if (!empty($_GET['afflink'])) {
341	echo '<p><a href="' . esc_url($_GET['afflink']) . '">Go to offer</a></p>';
342	}
343	echo '<p><a href="' . esc_url(home_url()) . '">Go back to homepage</a></p>';
344
345	echo '</body>';
346	echo '</html>';
347	exit;
348	}
349	}
350