← All changes | taboola_widget.php +430 -227 2.0.1 → 3.0.2 View file →

		@@ -1,85 +1,218 @@
1	1	<?php
2	2	/**
3		- * Plugin Name: Taboola
4		- * Plugin URI: https://developers.taboola.com/web-integrations/discuss
5		- * Description: Taboola
6		- * Version: 2.0.1
7		- * Author: Taboola
	3	+ * Plugin Name: Taboola
	4	+ * Plugin URI: https://developers.taboola.com/web-integrations/docs/wordpress-plugin
	5	+ * Description: Taboola
	6	+ * Version: 3.0.2
	7	+ * Author: Taboola
8	8	*/
9	9
10		-define ("TABOOLA_PLUGIN_VERSION","2.0.1"); // => UPDATE FOR *EVERY* RELEASE (USED FOR TRACKING)
11		-define ("TABOOLA_MIN_VER","2.0.1"); // => UPDATE *ONLY* IF THIS RELEASE HAS *DB CHANGES*
12		-define ("TABOOLA_DEBUG_MODE", false); // => SET TO 'FALSE' FOR *EVERY* RELEASE (USED TO SUPRESS DEBUGGING LOGS)
	10	+define( 'TABOOLA_PLUGIN_VERSION', '3.0.2' ); // track every release
	11	+define( 'TABOOLA_MIN_VER', '3.0' ); // bump only when DB changes
	12	+define( 'TABOOLA_DEBUG_MODE', false );
13	13
14		-define ("TABOOLA_OPTION_NAME","taboola_plugin_version"); // *If* this release has DB changes, then the min version will be saved under 'taboola_plugin_version' in 'wp_options'.
	14	+define( 'TABOOLA_OPTION_NAME', 'taboola_plugin_version' );
15	15
16		-define ("TABOOLA_XPATH_MARKER","/");
17		-define ("TABOOLA_JS_INDICATOR","{JS}");
18		-define ("TABOOLA_JS_MARKER","{");
19		-define ("TABOOLA_CONTENT_FORMAT_STRING",'string');
20		-define ("TABOOLA_CONTENT_FORMAT_SCRIPT",'script');
21		-define ("TABOOLA_CONTENT_FORMAT_HTML",'html');
	16	+define( 'TABOOLA_XPATH_MARKER', '/' );
	17	+define( 'TABOOLA_JS_INDICATOR', '{JS}' );
	18	+define( 'TABOOLA_JS_MARKER', '{' );
	19	+define( 'TABOOLA_CONTENT_FORMAT_STRING', 'string' );
	20	+define( 'TABOOLA_CONTENT_FORMAT_SCRIPT', 'script' );
	21	+define( 'TABOOLA_CONTENT_FORMAT_HTML', 'html' );
22	22
	23	+include_once 'widget.php';
	24	+require_once 'JavaScriptWrapper.php';
	25	+if ( ! class_exists( 'simple_html_dom' ) ) {
	26	+ require_once plugin_dir_path( __FILE__ ) . 'simple_html_dom.php'; // ← NEW
	27	+}
23	28
24		-include_once('widget.php');
25		-require_once('JavaScriptWrapper.php');
	29	+if ( ! class_exists( 'TaboolaWP' ) ) {
	30	+class TaboolaWP {
26	31
27		-if (!class_exists('TaboolaWP')) {
28		- class TaboolaWP
29		- {
30		- //save internal data
31		- public $data = array();
32		- public $_is_widget_on_page;
33		- public $_is_head_script_loaded = false;
	32	+ /* ─────────────────────────── properties ─────────────────────────── */
	33	+ public $data = [];
	34	+ public $_is_widget_on_page;
	35	+ public $_is_head_script_loaded = false;
34	36
35		- function __construct()
36		- {
37		- global $wpdb;
	37	+ private $tpl_sw = 'importScripts("https://cdn.taboola.com/webpush/tsw.js");';
	38	+ private $msg_sw_error = <<<SWE
	39	+ <p>The file <code>sw.js</code> in the WP root is not writable.
	40	+ Please change its permissions or paste the code below manually:</p>
	41	+ <pre><code>{{SW}}</code></pre>
	42	+ <p>Also make sure it's reachable at <code>{{DOMAIN}}/sw.js</code></p>
	43	+SWE;
38	44
39		- //initialize plugin constant
40		- DEFINE('TaboolaWP', true);
	45	+ public $plugin_name;
	46	+ public $plugin_directory;
	47	+ public $plugin_url;
	48	+ public $settings;
	49	+ public $tbl_taboola_settings;
41	50
42		- $this->_is_widget_on_page = false;
43		- $this->_is_head_script_loaded = false;
	51	+ /* ─────────────────────────── constructor ─────────────────────────── */
	52	+ public function __construct() {
	53	+ global $wpdb;
	54	+ //initialize plugin constant
	55	+ define( 'TaboolaWP', true );
44	56
45		- $this->plugin_name = plugin_basename(__FILE__);
46		- $this->plugin_directory = plugin_dir_path(__FILE__);
47		- $this->plugin_url = trailingslashit(WP_PLUGIN_URL . '/' . dirname(plugin_basename(__FILE__)));
48		- $this->settings = $wpdb->get_row("select * from ".$wpdb->prefix."_taboola_settings limit 1");
	57	+ $this->_is_widget_on_page = false;
	58	+ $this->_is_head_script_loaded = false;
49	59
50		- $this->tbl_taboola_settings = $wpdb->prefix . '_taboola_settings';
	60	+ $this->plugin_name = plugin_basename( __FILE__ );
	61	+ $this->plugin_directory = plugin_dir_path( __FILE__ );
	62	+ $this->plugin_url = trailingslashit(
	63	+ WP_PLUGIN_URL . '/' . dirname( plugin_basename( __FILE__ ) )
	64	+ );
	65	+ $this->tbl_taboola_settings = $wpdb->prefix . '_taboola_settings';
	66	+ $this->settings = $wpdb->get_row(
	67	+ "SELECT * FROM {$this->tbl_taboola_settings} LIMIT 1"
	68	+ );
51	69
52		- //activation function
53		- register_activation_hook($this->plugin_name, array(&$this, 'update_db'));
54		- add_action('admin_init', array(&$this, 'update_db'));
	70	+ /* activation / upgrade */
	71	+ register_activation_hook( $this->plugin_name, [ $this, 'update_db' ] );
	72	+ add_action( 'admin_init', [ $this, 'update_db' ] );
55	73
56		- // Enable sidebar widgets
57		- if ($this->settings != NULL && !empty($this->settings->publisher_id)){
58		- //register Taboola widget
59		- add_action('widgets_init',
60		- function(){
61		- return register_widget("WP_Widget_Taboola");
	74	+ /* widgets */
	75	+ if ( $this->settings && ! empty( $this->settings->publisher_id ) ) {
	76	+ add_action(
	77	+ 'widgets_init',
	78	+ static fn() => register_widget( 'WP_Widget_Taboola' )
	79	+ );
	80	+ }
	81	+
	82	+ /* admin vs front-end hooks */
	83	+ if ( is_admin() ) {
	84	+ add_action( 'admin_menu', [ $this, 'admin_generate_menu' ] );
	85	+ add_filter( 'plugin_action_links',
	86	+ [ $this, 'plugin_action_links' ], 10, 2 );
	87	+ }
	88	+
	89	+
	90	+
	91	+
	92	+ elseif ( $this->settings ) {
	93	+ /* loader & flush */
	94	+ add_action( 'wp_head', [ $this, 'taboola_header_loader_inject' ] );
	95	+ if ( ! empty( $this->settings->publisher_id_push ) ) {
	96	+ add_action( 'wp_head', [ $this, 'taboola_webpush_loader_js' ] );
	97	+
	98	+ $sw = 'sw.js';
	99	+ $sw_path = ABSPATH . $sw;
	100	+
	101	+ $content = file_exists( $sw_path ) ? file_get_contents( $sw_path ) : '';
	102	+
	103	+ if ( strpos( $content, $this->tpl_sw ) === false ) {
	104	+ if ( ! is_writable( ABSPATH ) || ( file_exists( $sw_path ) && ! is_writable( $sw_path ) ) ) {
	105	+ return $this->notice( $this->msg_sw_error );
	106	+ }
	107	+ $content = $this->tpl_sw . PHP_EOL . $content;
	108	+ if ( file_put_contents( $sw_path, $content ) === false ) {
	109	+ return $this->notice( $this->msg_sw_error );
	110	+ }
	111	+ }
62	112	}
63		- );
64		- }
	113	+ add_action( 'wp_footer', [ $this, 'taboola_footer_loader_js' ] );
65	114
66		- //$this->should_place_tag_outside_of_content = $this->settings->out_of_content_enabled;
	115	+ /* content widgets */
	116	+ add_filter( 'the_content', [ $this, 'load_taboola_content' ] );
	117	+ add_filter( 'the_content', [ $this, 'load_taboola_content_mid' ] );
67	118
68		- if (is_admin()) {
69		- //add menu for plugin
70		- add_action( 'admin_menu', array(&$this, 'admin_generate_menu') );
71		- add_filter('plugin_action_links', array(&$this, 'plugin_action_links'), 10, 2 );
72		- }else if ($this->settings != NULL){
73		- add_action('wp_head', array(&$this, 'taboola_header_loader_inject'));
74		- add_action('wp_footer', array(&$this, 'taboola_footer_loader_js'));
75		- add_filter('the_content', array(&$this, 'load_taboola_content'));
76		- add_filter('the_content', array(&$this, 'load_taboola_content_mid'));
77		- add_filter('the_content', array(&$this, 'load_taboola_content_home'));
78		- }
	119	+ /* full-page buffer – home & category */
	120	+ add_action( 'template_redirect', [ $this, 'tb_home_buffer_start' ], 0 );
	121	+ add_action( 'shutdown', [ $this, 'tb_home_buffer_flush' ], PHP_INT_MAX );
	122	+
	123	+ add_action( 'template_redirect', [ $this, 'tb_cat_buffer_start' ], 0 );
	124	+ add_action( 'shutdown', [ $this, 'tb_cat_buffer_flush' ], PHP_INT_MAX );
	125	+ }
	126	+ } // __construct
	127	+
	128	+
	129	+/* ======================================================================
	130	+ CATEGORY ▸ should we show the widget?
	131	+ ====================================================================== */
	132	+private function should_show_content_widget_category(): bool {
	133	+ return (
	134	+ trim( $this->settings->publisher_id ) !== '' &&
	135	+ ( is_category() || is_archive() || is_search() ) &&
	136	+ $this->settings->category_enabled &&
	137	+ trim( $this->settings->category_widget_id ) !== ''
	138	+ );
	139	+}
	140	+
	141	+/* ----------------------------------------------------------------------
	142	+ HOMEPAGE ▸ full-page buffer
	143	+ -------------------------------------------------------------------- */
	144	+public function tb_home_buffer_start() {
	145	+ if ( $this->should_show_content_widget_home() ) {
	146	+ ob_start( [ $this, 'tb_home_buffer_inject' ] );
79	147	}
	148	+}
	149	+public function tb_home_buffer_inject( $html ) {
	150	+ return $this->load_taboola_content_home( $html );
	151	+}
80	152
81		- function plugin_action_links($links, $file) {
	153	+/* ----------------------------------------------------------------------
	154	+ CATEGORY ▸ buffer hooks
	155	+ -------------------------------------------------------------------- */
	156	+public function tb_cat_buffer_start() {
	157	+ if ( $this->should_show_content_widget_category() ) {
	158	+ ob_start( [ $this, 'tb_cat_buffer_inject' ] );
	159	+ }
	160	+}
	161	+public function tb_cat_buffer_inject( $html ) {
	162	+ return $this->load_taboola_content_category( $html );
	163	+}
	164	+public function tb_cat_buffer_flush() {
	165	+ if ( ob_get_length() ) {
	166	+ echo ob_get_clean();
	167	+ }
	168	+}
	169	+
	170	+/* ----------------------------------------------------------------------
	171	+ CATEGORY ▸ choose where to inject
	172	+ -------------------------------------------------------------------- */
	173	+private function embed_taboola_content_location_category(
	174	+ string $html,
	175	+ array $taboola_content,
	176	+ string $selector ) : string {
	177	+
	178	+ $formatted = $this->format_taboola_content_category( $taboola_content );
	179	+
	180	+ /* A. no selector → bottom of page */
	181	+ if ( $selector === '' ) {
	182	+ return str_ireplace( '</body>', $formatted . '</body>', $html );
	183	+ }
	184	+
	185	+ /* B. selector given → try server-side injection */
	186	+ $doc = str_get_html( $html );
	187	+ if ( ! $doc ) {
	188	+ // parser failed → graceful fallback
	189	+ return str_ireplace( '</body>', $formatted . '</body>', $html );
	190	+ }
	191	+
	192	+ $occurrence = max( 0, $this->settings->category_location_string_occurrence - 1 );
	193	+ $target = $doc->find( $selector, $occurrence );
	194	+
	195	+ if ( $target ) { // selector found
	196	+ $target->outertext .= $formatted;
	197	+ return (string) $doc; // done – no duplicate
	198	+ }
	199	+
	200	+ /* C. selector not found → bottom of page */
	201	+ return str_ireplace( '</body>', $formatted . '</body>', $html );
	202	+}
	203	+
	204	+/* ------------------------------------------------------------------ */
	205	+public function tb_home_buffer_flush() {
	206	+ if ( ob_get_length() ) {
	207	+ echo ob_get_clean();
	208	+ }
	209	+}
	210	+
	211	+
	212	+
	213	+
	214	+function plugin_action_links($links, $file) {
82	215	static $this_plugin;
83	216
84	217	if (!$this_plugin) {
85	218	$this_plugin = plugin_basename(__FILE__);
		@@ -101,17 +234,20 @@
101	234	private function should_show_content_widget_mid(){
102	235	// PC - only if v2 was installed:
103	236	if (!$this->is_db_updated_for_min_ver("2.0.0"))
104	237	return false;
105		- $retVal1 = ((trim($this->settings->publisher_id) != '') && is_single() && $this->settings->mid_enabled && trim($this->settings->mid_widget_id) != '');
	238	+ $retVal1 = ((trim($this->settings->publisher_id) != '') && is_single() && !empty($this->settings->mid_enabled));
106	239	return $retVal1;
107	240	}
108	241
109	242	private function should_show_content_widget_home(){
110	243	// PC - only if v2 was installed:
	244	+
	245	+ //error_log( print_r( $this->settings, true ) ); // TEMP line
	246	+
111	247	if (!$this->is_db_updated_for_min_ver("2.0.0"))
112	248	return false;
113		- $retVal2 = ((trim($this->settings->publisher_id) != '') && is_front_page() && $this->settings->home_enabled && trim($this->settings->home_widget_id) != '');
	249	+ $retVal2 = ((trim($this->settings->publisher_id) != '') && (is_front_page() || is_home()) && $this->settings->home_enabled && trim($this->settings->home_widget_id) != '');
114	250	return $retVal2;
115	251	}
116	252
117	253	private function should_show_sidebar_widget(){
		@@ -120,9 +256,9 @@
120	256	}
121	257
122	258	// Determine if a taboola widget should be added somewhere on the current page (content or sidebar)
123	259	function is_widget_on_page(){
124		- return $this->should_show_content_widget() || $this->should_show_content_widget_mid() || $this->should_show_content_widget_home() || $this->should_show_sidebar_widget();
	260	+ return $this->should_show_content_widget() || $this->should_show_content_widget_mid() || $this->should_show_content_widget_home() || $this->should_show_sidebar_widget() || $this->should_show_content_widget_category() ;
125	261	}
126	262
127	263	function get_page_type(){
128	264	$page_type='article';
		@@ -134,13 +270,20 @@
134	270	return $page_type;
135	271	}
136	272
137	273	// return the head loader script
138		- function taboola_header_loader_js() {
139		- $head_string = "";
140		-
141		- // Only adding the loader if a widget is going to be placed on the page.
	274	+ function taboola_header_loader_js() {
142	275	if ($this->is_widget_on_page()){
	276	+
	277	+ // New logic to get all mid-article locations
	278	+ $mid_locations_string = '';
	279	+ if (!empty($this->settings->mid_widgets)) {
	280	+ $mid_widgets_array = json_decode($this->settings->mid_widgets, true);
	281	+ if (is_array($mid_widgets_array)) {
	282	+ $locations = array_column($mid_widgets_array, 'location_string');
	283	+ $mid_locations_string = implode(', ', $locations);
	284	+ }
	285	+ }
143	286
144	287	$stringParams = array(
145	288	'{{PUBLISHER_ID}}' => $this->settings->publisher_id,
146	289	'{{PAGE_TYPE}}' => $this->get_page_type(),
		@@ -146,30 +289,38 @@
146	289	'{{PAGE_TYPE}}' => $this->get_page_type(),
147	290	'{{WORDPRESS_VERSION}}' => get_bloginfo('version'),
148	291	'{{PHP_VERSION}}' => phpversion(),
149	292	'{{PLUGIN_VERSION}}' => TABOOLA_PLUGIN_VERSION,
150		- '{{LOC_MID}}' => $this->settings->mid_location_string,
151		- '{{LOC_HOME}}' => $this->settings->home_location_string
	293	+ '{{LOC_MID}}' => $mid_locations_string,
	294	+ '{{LOC_HOME}}' => $this->settings->home_location_string ?? ''
152	295	);
153	296
154	297	$scriptWrapper = new JavaScriptWrapper("loaderInjectionScript.js",$stringParams);
155		- $head_string = $scriptWrapper->getScriptMarkupString();
	298	+ return $scriptWrapper->getScriptMarkupString();
156	299	}
157		-
158		- return $head_string;
	300	+ return "";
159	301	}
160	302
161		-
162	303	// This function is used for the hook action, injects the header content to the <head> tag.
163	304	function taboola_header_loader_inject(){
164	305	echo $this->taboola_header_loader_js();
165	306	}
166	307
	308	+ // adding webpush loader
	309	+ function taboola_webpush_loader_js() {
	310	+ if(is_single() || is_home() || is_category() || is_front_page()){
	311	+ $stringParamsWeb = array(
	312	+ '{{PUBLISHER_ID}}' => $this->settings->publisher_id_push
	313	+ );
	314	+ $webpushInjectionScript = new JavaScriptWrapper("webPush.js",$stringParamsWeb);
	315	+ echo $webpushInjectionScript;
	316	+ }
	317	+ }
167	318
168	319	function taboola_footer_loader_js() {
169	320
170	321	// Only adding flush script if a widget is going to be placed on the page.
171		- if ( $this->is_widget_on_page() ){
	322	+ if ($this->is_widget_on_page()){
172	323	$flushInjectionScript = new JavaScriptWrapper('flushInjectionScript.js',array());
173	324	echo $flushInjectionScript->getScriptMarkupString();
174	325	}
175	326	}
		@@ -197,24 +348,37 @@
197	348	return $content;
198	349	}
199	350
200	351	// Mid-article-widget
201		- function load_taboola_content_mid($content)
202		- {
203		- $taboola_content_mid = array();
	352	+ function load_taboola_content_mid($content) {
204	353	if ($this->should_show_content_widget_mid()){
	354	+ $mid_widgets = json_decode($this->settings->mid_widgets ?? '[]');
205	355
206		- $secondWidgetParams = array('{{WIDGET_ID}}' => $this->settings->mid_widget_id,
207		- '{{CONTAINER}}' => 'taboola-mid-article-thumbnails',
208		- '{{PLACEMENT}}' => $this->settings->mid_placement);
209		-
210		- $secondWidgetScript = new JavaScriptWrapper("widgetInjectionScript.js",$secondWidgetParams);
211		- $taboola_content_mid[TABOOLA_CONTENT_FORMAT_HTML][] = "<div id='taboola-mid-article-thumbnails'></div>";
212		- $taboola_content_mid[TABOOLA_CONTENT_FORMAT_SCRIPT][] = $secondWidgetScript;
	356	+ if (is_array($mid_widgets) && !empty($mid_widgets)) {
	357	+ foreach ($mid_widgets as $index => $widget) {
	358	+ $container_id = 'taboola-mid-article-thumbnails-' . $index;
	359	+
	360	+ $widgetParams = array(
	361	+ '{{WIDGET_ID}}' => $widget->widget_id,
	362	+ '{{CONTAINER}}' => $container_id,
	363	+ '{{PLACEMENT}}' => $widget->placement
	364	+ );
213	365
214		- $content = $this->embed_taboola_content_location_mid($content,$taboola_content_mid,trim($this->settings->mid_location_string));
	366	+ $widgetScript = new JavaScriptWrapper("widgetInjectionScript.js", $widgetParams);
	367	+ $taboola_content_mid = array(
	368	+ TABOOLA_CONTENT_FORMAT_HTML => array("<div id='{$container_id}'></div>"),
	369	+ TABOOLA_CONTENT_FORMAT_SCRIPT => array($widgetScript),
	370	+ );
	371	+
	372	+ $content = $this->embed_taboola_content_location_mid(
	373	+ $content,
	374	+ $taboola_content_mid,
	375	+ $widget->location_string,
	376	+ $widget->occurrence
	377	+ );
	378	+ }
	379	+ }
215	380	}
216		-
217	381	return $content;
218	382	}
219	383
220	384	// Homepage widget
		@@ -219,9 +383,9 @@
219	383
220	384	// Homepage widget
221	385	function load_taboola_content_home($content)
222	386	{
223		-
	387	+ //error_log( 'TB-DEBUG ② entered load_taboola_content_home' );
224	388	$taboola_content_home = array();
225	389	if ($this->should_show_content_widget_home()){
226	390
227	391	$homeWidgetParams = array('{{WIDGET_ID}}' => $this->settings->home_widget_id,
		@@ -236,9 +400,33 @@
236	400	}
237	401	return $content;
238	402
239	403	}
	404	+ /* ------------------------------------------------------------------
	405	+ * CATEGORY ▸ build widget & inject
	406	+ * ------------------------------------------------------------------*/
	407	+public function load_taboola_content_category( $content ) {
240	408
	409	+ // 1) Build the DIV that Taboola will fill
	410	+ $taboola[TABOOLA_CONTENT_FORMAT_HTML][] =
	411	+ "<div id='taboola-category-thumbnails'></div>";
	412	+
	413	+ // 2) Build the JS that loads the feed (reuse the wrapper)
	414	+ $taboola[TABOOLA_CONTENT_FORMAT_SCRIPT][] =
	415	+ new JavaScriptWrapper( 'widgetInjectionScript.js', [
	416	+ '{{WIDGET_ID}}' => $this->settings->category_widget_id,
	417	+ '{{CONTAINER}}' => 'taboola-category-thumbnails',
	418	+ '{{PLACEMENT}}' => $this->settings->category_placement,
	419	+ ]);
	420	+
	421	+ // 3) Decide where to insert (selector or end of <body>)
	422	+ return $this->embed_taboola_content_location_category(
	423	+ $content,
	424	+ $taboola,
	425	+ trim( $this->settings->category_location_string )
	426	+ );
	427	+}
	428	+
241	429	// Below-article widget
242	430
243	431	// Extract the taboola content in the required format:
244	432	// String - for injecting on the servr side
		@@ -305,8 +493,18 @@
305	493	return $ret_val;
306	494
307	495	}
308	496
	497	+
	498	+ // ► CATEGORY formatter ◄
	499	+private function format_taboola_content_category( $arr ) {
	500	+ return implode( "\n", [
	501	+ implode( "\n", $arr[TABOOLA_CONTENT_FORMAT_HTML] ?? [] ),
	502	+ '<script type="text/javascript">' .
	503	+ implode( "\n", $arr[TABOOLA_CONTENT_FORMAT_SCRIPT] ?? [] ) .
	504	+ '</script>',
	505	+ ]);
	506	+}
309	507	// Below-article widget
310	508	// Do the actual logic of choosing where to place the taboola content.
311	509	function embed_taboola_content_location($content, $taboola_content){
312	510	$do_default = true;
		@@ -332,9 +530,9 @@
332	530	}
333	531
334	532	// Mid-article widget
335	533	// Do the actual logic of choosing where to place the taboola content based on the "location" attribute
336		- function embed_taboola_content_location_mid($content, $taboola_content_mid, $location){
	534	+ function embed_taboola_content_location_mid($content, $taboola_content_mid, $location, $occurrence = 1){
337	535	$do_default = true;
338	536
339	537	if (isset($location) && $location != ''){
340	538	$first_char = substr($location,0,1);
		@@ -358,12 +556,14 @@
358	556
359	557	// server side selector provided (see simple_html_dom selectors http://simplehtmldom.sourceforge.net/manual.htm)
360	558	// basically it's CSS selectors like in jQuery
361	559	} else{
362		- require_once('simple_html_dom.php');
	560	+ if ( ! class_exists( 'simple_html_dom' ) ) {
	561	+ require_once('simple_html_dom.php');
	562	+ }
363	563
364	564	$html_doc = str_get_html($content);
365		- $target_location = $html_doc->find($location,($this->settings->mid_location_string_occurrence)-1);
	565	+ $target_location = $html_doc->find($location, ($occurrence) - 1);
366	566
367	567	// if the location was found within the html content
368	568	if (isset($target_location) && is_object($target_location)){
369	569
		@@ -373,12 +573,8 @@
373	573	$do_default = false;
374	574	}
375	575	}
376	576	}
377		- // Default for below-article widget - add to the end of the content
378		- // if ($do_default){
379		- // $content = $content.$this->format_taboola_content_mid($taboola_content_mid,TABOOLA_CONTENT_FORMAT_STRING);
380		- // }
381	577
382	578	return $content;
383	579	}
384	580
		@@ -385,8 +581,22 @@
385	581	// Homepage widget
386	582	// Do the actual logic of choosing where to place the taboola content based on the "location" attribute
387	583	function embed_taboola_content_location_home($content, $taboola_content_home, $location){
388	584
	585	+
	586	+ // error_log( 'TB-DEBUG ③ raw selector string: [' . $location . ']' );
	587	+
	588	+ // load parser
	589	+ //require_once plugin_dir_path( __FILE__ ) . 'simple_html_dom.php';
	590	+ // $html_doc = str_get_html( $content );
	591	+
	592	+ // occurrence: settings is 1-based, find() wants 0-based
	593	+ // $occurrence = max( 1, intval( $this->settings->home_location_string_occurrence ) );
	594	+ // $node = $html_doc->find( $location, $occurrence - 1 );
	595	+ // $found = is_object( $node ) ? 1 : 0;
	596	+
	597	+ // error_log( "TB-DEBUG ③ found {$found} matching node(s) for selector [{$location}]" );
	598	+ // ────────────────────────────
389	599	$do_default = true;
390	600
391	601	if (isset($location) && $location != ''){
392	602	$first_char = substr($location,0,1);
		@@ -409,10 +619,12 @@
409	619	}
410	620
411	621	// server side selector provided (see simple_html_dom selectors http://simplehtmldom.sourceforge.net/manual.htm)
412	622	// basically it's CSS selectors like in jQuery
413		- } else{
	623	+ } else{
	624	+ if ( ! class_exists( 'simple_html_dom' ) ) {
414	625	require_once('simple_html_dom.php');
	626	+ }
415	627
416	628	$html_doc = str_get_html($content);
417	629	$target_location = $html_doc->find($location,($this->settings->home_location_string_occurrence)-1);
418	630
		@@ -426,18 +638,19 @@
426	638	}
427	639	}
428	640	}
429	641	// Default for below-article widget - add to the end of the content
430		- // if ($do_default){
431		- // $content = $content.$this->format_taboola_content_home($taboola_content_home,TABOOLA_CONTENT_FORMAT_STRING);
432		- // }
	642	+ if ($do_default){
	643	+ $content = $content.$this->format_taboola_content_home($taboola_content_home,TABOOLA_CONTENT_FORMAT_STRING);
	644	+ }
433	645	return $content;
	646	+
434	647
435	648	}
436	649
437	650	function admin_generate_menu(){
438	651	global $current_user;
439		- add_menu_page('Taboola', 'Taboola', 'manage_options', 'taboola_widget', array(&$this, 'admin_taboola_settings'), $this->plugin_url.'img/taboola_icon.png', 110);
	652	+ add_menu_page(__('Taboola','taboola_widget'), __('Taboola','taboola_widget'), 'manage_options', 'taboola_widget', array(&$this, 'admin_taboola_settings'), $this->plugin_url.'img/taboola_icon.png', 110);
440	653	}
441	654
442	655	function admin_taboola_settings(){
443	656	global $wpdb;
		@@ -444,82 +657,95 @@
444	657	$settings = $wpdb->get_row("select * from ".$wpdb->prefix."_taboola_settings limit 1");
445	658	$taboola_errors = array();
446	659	if($_SERVER['REQUEST_METHOD'] == 'POST'){
447	660
448		- if(trim($_POST['publisher_id']) == ''){
	661	+ if(trim(strip_tags($_POST['publisher_id'])) == ''){
449	662	$taboola_errors[] = "Publisher ID";
450	663	}
451	664
	665	+ if(isset($_POST['web_push_enabled'])) {
	666	+ if (trim(strip_tags($_POST['publisher_id_push'])) == '') {
	667	+ $taboola_errors[] = "Publisher Push ID";
	668	+ }
	669	+ }
	670	+
452	671	if(isset($_POST['first_bc_enabled'])) {
453		- if (trim($_POST['first_bc_widget_id']) == '') {
	672	+ if (trim(strip_tags($_POST['first_bc_widget_id'])) == '') {
454	673	$taboola_errors[] = "Below-article > Widget ID";
455	674	}
456		- if (trim($_POST['first_bc_placement']) == '') {
	675	+ if (trim(strip_tags($_POST['first_bc_placement'])) == '') {
457	676	$taboola_errors[] = "Below-article > Placement Name";
458	677	}
459	678	}
460	679
461	680	if(isset($_POST['mid_enabled'])) {
462		- if (trim($_POST['mid_widget_id']) == '') {
463		- $taboola_errors[] = "Mid-article > Widget ID";
464		- }
465		- if (trim($_POST['mid_placement']) == '') {
466		- $taboola_errors[] = "Mid-article > Placement Name";
467		- }
468		- if (trim($_POST['mid_location_string']) == '') {
469		- $taboola_errors[] = "Mid-article > CSS selector";
470		- }
471		- else {
472		- // If the 'location' WAS filled in, then...
473		-
474		- // 1) Check for a valid 'location':
475		-
476		- // Validation method has not been implemented
477		- // mid_if (!$this->is_locaton_string_valid1($_POST['mid_location_string'])) {
478		- // $taboola_errors[] = "Mid-article > CSS Selector (invalid value)";
479		- // }
480		-
481		- // 2) Validate the 'occurrence':
482		- if (!$this->is_mid_location_string_occurrence_valid($_POST['mid_location_string_occurrence'])) {
483		- $taboola_errors[] = "Mid-article > Occurance (must be >= 1)";
	681	+ if(isset($_POST['mid_widget_id']) && is_array($_POST['mid_widget_id'])) {
	682	+ foreach ($_POST['mid_widget_id'] as $index => $widget_id) {
	683	+ if(trim($widget_id) == '') {
	684	+ $taboola_errors[] = "Mid-article Widget #".($index + 1)." > Widget ID";
	685	+ }
	686	+ if(trim($_POST['mid_placement'][$index]) == '') {
	687	+ $taboola_errors[] = "Mid-article Widget #".($index + 1)." > Placement Name";
	688	+ }
484	689	}
485	690	}
486		-
487	691	}
488	692
489	693	if(isset($_POST['home_enabled'])) {
490		- if (trim($_POST['home_widget_id']) == '') {
	694	+ if (trim(strip_tags($_POST['home_widget_id'])) == '') {
491	695	$taboola_errors[] = "Homepage > Widget ID";
492	696	}
493		- if (trim($_POST['home_placement']) == '') {
	697	+ if (trim(strip_tags($_POST['home_placement'])) == '') {
494	698	$taboola_errors[] = "Homepage > Placement Name";
495	699	}
496	700
497		- if (trim($_POST['home_location_string']) == '') {
	701	+ if (trim(strip_tags($_POST['home_location_string'])) == '') {
498	702	$taboola_errors[] = "Homepage > CSS selector";
499	703	}
500	704	else {
501		- // If the 'location' WAS filled in, then...
502		-
503		- // 1) Check for a valid 'location':
504		-
505		- // Validation method has not been implemented
506		- // if (!$this->is_home_location_string_valid($_POST['home_location_string'])) {
507		- // $taboola_errors[] = "Homepage > CSS Selector (invalid value)";
508		- // }
509		-
510		- // 2) Validate the 'occurrence':
511	705	if (!empty($_POST['home_location_string']) && !$this->is_home_location_string_occurrence_valid($_POST['home_location_string_occurrence'])) {
512	706	$taboola_errors[] = "Homepage > Occurance (must be >= 1)";
513	707	}
514	708	}
515		- }
	709	+ }
	710	+ if ( isset($_POST['category_enabled']) ) {
	711	+ if ( trim(strip_tags($_POST['category_widget_id'])) == '' )
	712	+ $taboola_errors[] = "Category > Widget ID";
	713	+ if ( trim(strip_tags($_POST['category_placement'])) == '' )
	714	+ $taboola_errors[] = "Category > Placement Name";
	715	+ }
516	716
517	717	if(count($taboola_errors) == 0){
	718	+
	719	+ $mid_widgets_data = array();
	720	+ if (isset($_POST['mid_widget_id']) && is_array($_POST['mid_widget_id'])) {
	721	+ foreach ($_POST['mid_widget_id'] as $index => $widget_id) {
	722	+ if (!empty(trim($widget_id))) {
	723	+
	724	+ $location_string = 'p';
	725	+ if (isset($_POST['mid_paragraph_ui_mode'][$index]) && $_POST['mid_paragraph_ui_mode'][$index] === 'Other') {
	726	+ if (isset($_POST['mid_location_string'][$index])) {
	727	+ $location_string = sanitize_text_field($_POST['mid_location_string'][$index]);
	728	+ }
	729	+ }
518	730
	731	+ $mid_widgets_data[] = array(
	732	+ 'widget_id' => sanitize_text_field($widget_id),
	733	+ 'placement' => sanitize_text_field($_POST['mid_placement'][$index]),
	734	+ 'location_string' => $location_string,
	735	+ 'occurrence' => intval($_POST['mid_location_string_occurrence'][$index]),
	736	+ );
	737	+ }
	738	+ }
	739	+ }
	740	+ $mid_widgets_json = json_encode($mid_widgets_data);
	741	+
519	742	$data = array(
520	743	"publisher_id" => trim($_POST['publisher_id']),
521	744
	745	+ "web_push_enabled" => isset($_POST['web_push_enabled']) ? true : false,
	746	+ "publisher_id_push" => !empty($_POST['publisher_id_push']) ? trim($_POST['publisher_id_push']) : '',
	747	+
522	748	"first_bc_enabled" => isset($_POST['first_bc_enabled']) ? true : false,
523	749	"first_bc_widget_id" => !empty($_POST['first_bc_widget_id']) ? trim($_POST['first_bc_widget_id']) : '',
524	750	"first_bc_placement" => !empty($_POST['first_bc_placement']) ? trim($_POST['first_bc_placement']) : '',
525	751
		@@ -525,36 +751,43 @@
525	751
526	752	"out_of_content_enabled" => isset($_POST['out_of_content_enabled']) ? true : false,
527	753
528	754	"mid_enabled" => isset($_POST['mid_enabled']) ? true : false,
529		- "mid_widget_id" => !empty($_POST['mid_widget_id']) ? trim($_POST['mid_widget_id']) : '',
530		- "mid_placement" => !empty($_POST['mid_placement']) ? trim($_POST['mid_placement']) : '',
531		- "mid_paragraph_ui_mode" => !empty($_POST['mid_paragraph_ui_mode']) ? trim($_POST['mid_paragraph_ui_mode']) : '',
532		-
533		- "mid_location_string_occurrence" => !empty($_POST['mid_location_string_occurrence']) ? $_POST['mid_location_string_occurrence'] : '',
534		- "mid_location_string" => !empty($_POST['mid_location_string']) ? trim($_POST['mid_location_string']) : '',
535		-
	755	+ "mid_widgets" => $mid_widgets_json,
	756	+
536	757	"home_enabled" => isset($_POST['home_enabled']) ? true : false,
537	758	"home_widget_id" => !empty($_POST['home_widget_id']) ? trim($_POST['home_widget_id']) : '',
538	759	"home_placement" => !empty($_POST['home_placement']) ? trim($_POST['home_placement']) : '',
539	760
540	761	"home_location_string_occurrence" => !empty($_POST['home_location_string_occurrence']) ? $_POST['home_location_string_occurrence'] : '',
541		- "home_location_string" => !empty($_POST['home_location_string']) ? trim($_POST['home_location_string']) : ''
	762	+ "home_location_string" => !empty($_POST['home_location_string']) ? trim($_POST['home_location_string']) : '',
	763	+ "category_enabled" => isset($_POST['category_enabled']) ? true : false,
	764	+ "category_widget_id" => !empty($_POST['category_widget_id']) ? trim($_POST['category_widget_id']) : '',
	765	+ "category_placement" => !empty($_POST['category_placement']) ? trim($_POST['category_placement']) : '',
	766	+ "category_location_string_occurrence" => !empty($_POST['category_location_string_occurrence']) ? $_POST['category_location_string_occurrence'] : '',
	767	+ "category_location_string" => !empty($_POST['category_location_string']) ? trim($_POST['category_location_string']) : '',
	768	+
542	769	);
543	770
544		- //var_dump($settings);
545		- if($settings == NULL){
546		- $wpdb->insert($this->tbl_taboola_settings, $data, null, null);
547		- } else {
548		- $wpdb->update($this->tbl_taboola_settings, $data, array('id' => $settings->id));
	771	+ $is_valid_nonce = false;
	772	+
	773	+ if (isset( $_POST['my_plugin_nonce']) && wp_verify_nonce( $_POST['my_plugin_nonce'], 'my_plugin_update_field_action' ) ) {
	774	+ $is_valid_nonce = true;
549	775	}
	776	+
	777	+ if ($is_valid_nonce) {
	778	+ if($settings == NULL){
	779	+ $wpdb->insert($this->tbl_taboola_settings, $data);
	780	+ } else {
	781	+ $wpdb->update($this->tbl_taboola_settings, $data, array('id' => $settings->id));
	782	+ }
	783	+ }
550	784	}
551	785	$settings = $wpdb->get_row("select * from ".$wpdb->prefix."_taboola_settings limit 1");
552	786	}
553		-
554	787	include_once('settings.php');
555	788	}
556		-
	789	+
557	790	function is_mid_location_string_valid($mid_location_string){
558	791	// TODO:: validate the location string
559	792	return true;
560	793	}
		@@ -578,8 +811,9 @@
578	811	return true;
579	812	}
580	813	return false;
581	814	}
	815	+
582	816	function columnExists($column_name) {
583	817	global $wpdb;
584	818	$table_name = $wpdb->prefix . "_taboola_settings";
585	819	tb_write_log("table name : " . $table_name);
		@@ -605,60 +839,44 @@
605	839	else {
606	840	tb_write_log("This is NOT a v1 upgrade!"); //PC
607	841	return false;
608	842	}
609		-
610	843	}
611	844
612	845	function is_db_updated_for_min_ver($min_ver) {
613		- /**
614		- * Checks if the DB was *previously* updated for the minimum version specified.
615		- * $min_ver should be passed in a format like this: "2.1.0"
616		- */
617	846	global $wpdb;
	847	+ $table_name = $wpdb->prefix . "_taboola_settings";
618	848
619		- // Check the saved version in wp_options. Default to '1.0.0' if the option is not found.
	849	+ if($wpdb->get_var("SHOW TABLES LIKE '$table_name'") != $table_name) {
	850	+ tb_write_log("Table NOT FOUND");
	851	+ return false;
	852	+ }
	853	+ else {
	854	+ tb_write_log("Table EXISTS");
	855	+ }
620	856	$saved_version = get_option(TABOOLA_OPTION_NAME, '1.0.0');
621	857
622	858	$db_is_up_to_date = version_compare($saved_version, $min_ver, '>=');
623		- //tb_write_log($db_is_up_to_date);
624	859	return $db_is_up_to_date;
625	860
626	861	}
627	862
628	863	function is_db_updated_for_current_ver() {
629		- /**
630		- * Checks if the DB was *previously* updated for the version currently loaded.
631		- */
632	864	global $wpdb;
633		-
634		- // Check the saved version in wp_options. Default to '1.0.0' if the option is not found.
635	865	$saved_version = get_option(TABOOLA_OPTION_NAME, '1.0.0');
636		-
637		- // Get the currently loaded plugin version from wp_options.
638	866	$plugin_version = $this->get_loaded_plugin_version();
639		-
640	867	$db_is_up_to_date = version_compare($saved_version, $plugin_version, '>=');
641		- //tb_write_log($db_is_up_to_date);
642	868	return $db_is_up_to_date;
643		-
644	869	}
645	870
646	871	function get_loaded_plugin_version() {
647		-
648		- $plugin_data = get_plugin_data( __FILE__ ); // Can be invoked from Admin page only
	872	+ $plugin_data = get_plugin_data( __FILE__ );
649	873	$loaded_plugin_version = $plugin_data['Version'];
650	874	return $loaded_plugin_version;
651		-
652	875	}
653	876
654	877	function save_taboola_version($min_ver) {
655		- // Get the currently loaded plugin version
656		- // $plugin_version = $this->get_loaded_plugin_version();
657		-
658	878	tb_write_log("SAVING NEW MIN VERSION: " . $min_ver); // PC
659		-
660		- // Check the saved version in wp_options. Default to '' if the option is not found.
661	879	$saved_version = get_option(TABOOLA_OPTION_NAME, '');
662	880	if ($saved_version == '') {
663	881	add_option(TABOOLA_OPTION_NAME, $min_ver);
664	882	}
		@@ -667,12 +885,9 @@
667	885	}
668	886	}
669	887
670	888	function update_db(){
671		-
672		- // If we are up to date, then skip this method...
673	889	if ($this->is_db_updated_for_min_ver(TABOOLA_MIN_VER)) {
674		- //tb_write_log("All up to date!");
675	890	return;
676	891	}
677	892
678	893	$this->save_taboola_version(TABOOLA_MIN_VER);
		@@ -679,54 +894,41 @@
679	894
680	895	global $wpdb;
681	896	require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
682	897
683		-
684		- //check mysql version
685		- if (function_exists('mysql_get_server_info') && version_compare(mysql_get_server_info(), '4.1.0', '>=')) {
686		- if (!empty($wpdb->charset))
687		- $charset_collate = "DEFAULT CHARACTER SET $wpdb->charset";
688		- if (!empty($wpdb->collate))
689		- $charset_collate .= " COLLATE $wpdb->collate";
	898	+ $charset_collate = '';
	899	+ if ( ! empty( $wpdb->charset ) ) {
	900	+ $charset_collate = "DEFAULT CHARACTER SET {$wpdb->charset}";
690	901	}
	902	+ if ( ! empty( $wpdb->collate ) ) {
	903	+ $charset_collate .= " COLLATE {$wpdb->collate}";
	904	+ }
691	905
692		- // Check if this is an upgrade from v1
693	906	$is_upgrade_from_v1 = $this->is_upgrade_from_v1();
694		-
695		- // tb_write_log("Is upgrade from v1: " . ($is_upgrade_from_v1 ? 'true' : 'false'));
696		-
697		-
698		- //settings table structure
699	907	$sql_table_settings = "
700	908	CREATE TABLE `" . $wpdb->prefix . "_taboola_settings` (
701	909	`id` INT NOT NULL AUTO_INCREMENT ,
702	910	`publisher_id` VARCHAR(255) DEFAULT NULL,
	911	+ `web_push_enabled` TINYINT(1) NOT NULL DEFAULT FALSE,
	912	+ `publisher_id_push` INT(15) DEFAULT NULL,
703	913	`first_bc_enabled` TINYINT(1) NOT NULL DEFAULT FALSE,
704	914	`first_bc_widget_id` VARCHAR(255) DEFAULT NULL,
705	915	`first_bc_placement` VARCHAR(255) DEFAULT " . ($is_upgrade_from_v1 ? "'below-article'" : "NULL") .",
706		- `first_bc_custom_css` TEXT DEFAULT NULL,
707		- `second_bc_enabled` TINYINT(1) NOT NULL DEFAULT FALSE,
708		- `second_bc_widget_id` VARCHAR(255) DEFAULT NULL,
709		- `second_bc_custom_css` TEXT DEFAULT NULL,
710		- `location_string` TEXT DEFAULT NULL,
	916	+ `out_of_content_enabled` TINYINT(1) NOT NULL DEFAULT TRUE,
711	917	`mid_enabled` TINYINT(1) NOT NULL DEFAULT FALSE,
712		- `mid_widget_id` VARCHAR(255) DEFAULT NULL,
713		- `mid_placement` VARCHAR(255) DEFAULT NULL,
714		- `out_of_content_enabled` TINYINT(1) NOT NULL DEFAULT TRUE,
715		- `mid_location_string` TEXT DEFAULT NULL,
716		- `mid_location_string_occurrence` SMALLINT DEFAULT NULL,
717		- `mid_paragraph_ui_mode` VARCHAR(255) DEFAULT NULL,
	918	+ `mid_widgets` TEXT DEFAULT NULL,
718	919	`home_enabled` TINYINT(1) NOT NULL DEFAULT FALSE,
719	920	`home_widget_id` VARCHAR(255) DEFAULT NULL,
720	921	`home_placement` VARCHAR(255) DEFAULT NULL,
721	922	`home_location_string` TEXT DEFAULT NULL,
722	923	`home_location_string_occurrence` SMALLINT DEFAULT NULL,
	924	+ `category_enabled` TINYINT(1) NOT NULL DEFAULT FALSE,
	925	+ `category_widget_id` VARCHAR(255) DEFAULT NULL,
	926	+ `category_placement` VARCHAR(255) DEFAULT NULL,
	927	+ `category_location_string` TEXT DEFAULT NULL,
	928	+ `category_location_string_occurrence` SMALLINT DEFAULT NULL,
723	929	PRIMARY KEY (`id`)
724		- )" . $charset_collate . ";";
725		-
726		- // tb_write_log($sql_table_settings);
727		-
728		- // create/update the table
	930	+ ) $charset_collate;";
729	931	dbDelta($sql_table_settings);
730	932	}
731	933	}
732	934	}
		@@ -733,18 +935,13 @@
733	935
734	936	global $taboolaWP;
735	937	$taboolaWP = new TaboolaWP();
736	938
737		-/*
738		-A few utility methods for logging
739		-*/
740		-
741		-// Writes debugging messages to 'logs/debug.log'.
742		-// The exact file location depends on *where* you trigger the function.
743		-// In this script, we trigger the function from the admin dashboard.
744		-// So the log file is located under 'wp-admin/logs'.
745	939	function tb_write_log($log_msg)
746	940	{
	941	+ if (!TABOOLA_DEBUG_MODE)
	942	+ return;
	943	+
747	944	$log_filename = "logs";
748	945	if (!file_exists($log_filename))
749	946	{
750	947	mkdir($log_filename, 0777, true);
		@@ -750,18 +947,14 @@
750	947	mkdir($log_filename, 0777, true);
751	948	}
752	949	$log_file_data = $log_filename.'/debug.log';
753	950
754		- // Add date/time
755	951	$date = date('Y-m-d H:i:s');
756	952	$log_msg_with_date = $date." : ".$log_msg;
757		-
758		- if (TABOOLA_DEBUG_MODE)
759		- file_put_contents($log_file_data, $log_msg_with_date . "\n", FILE_APPEND);
760		-
	953	+
	954	+ file_put_contents($log_file_data, $log_msg_with_date . "\n", FILE_APPEND);
761	955	}
762	956
763		-// Write to console
764	957	function tb_console_log( $data ){
765	958
766	959	If(wp_get_environment_type() === 'development') {
767	960
		@@ -771,9 +964,8 @@
771	964
772	965	}
773	966	}
774	967
775		-// Write to webpage and stop
776	968	function tb_print_to_page($data) {
777	969	If(wp_get_environment_type() === 'development') {
778	970	print_r($data);
779	971	die;
		@@ -779,5 +971,16 @@
779	971	die;
780	972	}
781	973	}
782	974
783		-//
	975	+function enqueue_taboola_scripts() {
	976	+ wp_register_script(
	977	+ 'taboola-injector',
	978	+ plugins_url('js/js_inject.min.js', __FILE__),
	979	+ array(),
	980	+ null,
	981	+ true
	982	+ );
	983	+
	984	+ wp_enqueue_script('taboola-injector');
	985	+}
	986	+add_action('wp_enqueue_scripts', 'enqueue_taboola_scripts');