| 1 |
<?php |
| 2 |
/** |
| 3 |
* Plugin Name: Taboola |
| 4 |
* Plugin URI: https://developers.taboola.com/web-integrations/docs/wordpress-plugin |
| 5 |
* Description: Taboola |
| 6 |
* Version: 3.0.0 |
| 7 |
* Author: Taboola |
| 8 |
*/ |
| 9 |
|
| 10 |
define( 'TABOOLA_PLUGIN_VERSION', '3.0' ); // track every release |
| 11 |
define( 'TABOOLA_MIN_VER', '3.0' ); // bump only when DB changes |
| 12 |
define( 'TABOOLA_DEBUG_MODE', false ); |
| 13 |
|
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define( 'TABOOLA_OPTION_NAME', 'taboola_plugin_version' ); |
| 15 |
|
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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 |
|
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include_once 'widget.php'; |
| 24 |
require_once 'JavaScriptWrapper.php'; |
| 25 |
require_once plugin_dir_path( __FILE__ ) . 'simple_html_dom.php'; // ← NEW |
| 26 |
|
| 27 |
if ( ! class_exists( 'TaboolaWP' ) ) { |
| 28 |
class TaboolaWP { |
| 29 |
|
| 30 |
/* ─────────────────────────── properties ─────────────────────────── */ |
| 31 |
public $data = []; |
| 32 |
public $_is_widget_on_page; |
| 33 |
public $_is_head_script_loaded = false; |
| 34 |
|
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private $tpl_sw = 'importScripts("https://cdn.taboola.com/webpush/tsw.js");'; |
| 36 |
private $msg_sw_error = <<<SWE |
| 37 |
<p>The file <code>sw.js</code> in the WP root is not writable. |
| 38 |
Please change its permissions or paste the code below manually:</p> |
| 39 |
<pre><code>{{SW}}</code></pre> |
| 40 |
<p>Also make sure it's reachable at <code>{{DOMAIN}}/sw.js</code></p> |
| 41 |
SWE; |
| 42 |
|
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public $plugin_name; |
| 44 |
public $plugin_directory; |
| 45 |
public $plugin_url; |
| 46 |
public $settings; |
| 47 |
public $tbl_taboola_settings; |
| 48 |
|
| 49 |
/* ─────────────────────────── constructor ─────────────────────────── */ |
| 50 |
public function __construct() { |
| 51 |
global $wpdb; |
| 52 |
|
| 53 |
define( 'TaboolaWP', true ); |
| 54 |
|
| 55 |
$this->_is_widget_on_page = false; |
| 56 |
$this->_is_head_script_loaded = false; |
| 57 |
|
| 58 |
$this->plugin_name = plugin_basename( __FILE__ ); |
| 59 |
$this->plugin_directory = plugin_dir_path( __FILE__ ); |
| 60 |
$this->plugin_url = trailingslashit( |
| 61 |
WP_PLUGIN_URL . '/' . dirname( plugin_basename( __FILE__ ) ) |
| 62 |
); |
| 63 |
$this->tbl_taboola_settings = $wpdb->prefix . '_taboola_settings'; |
| 64 |
$this->settings = $wpdb->get_row( |
| 65 |
"SELECT * FROM {$this->tbl_taboola_settings} LIMIT 1" |
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); |
| 67 |
|
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/* activation / upgrade */ |
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register_activation_hook( $this->plugin_name, [ $this, 'update_db' ] ); |
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add_action( 'admin_init', [ $this, 'update_db' ] ); |
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|
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/* widgets */ |
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if ( $this->settings && ! empty( $this->settings->publisher_id ) ) { |
| 74 |
add_action( |
| 75 |
'widgets_init', |
| 76 |
static fn() => register_widget( 'WP_Widget_Taboola' ) |
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); |
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} |
| 79 |
|
| 80 |
/* admin vs front-end hooks */ |
| 81 |
if ( is_admin() ) { |
| 82 |
add_action( 'admin_menu', [ $this, 'admin_generate_menu' ] ); |
| 83 |
add_filter( 'plugin_action_links', |
| 84 |
[ $this, 'plugin_action_links' ], 10, 2 ); |
| 85 |
} elseif ( $this->settings ) { |
| 86 |
/* loader & flush */ |
| 87 |
add_action( 'wp_head', [ $this, 'taboola_header_loader_inject' ] ); |
| 88 |
add_action( 'wp_footer', [ $this, 'taboola_footer_loader_js' ] ); |
| 89 |
|
| 90 |
/* content widgets */ |
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add_filter( 'the_content', [ $this, 'load_taboola_content' ] ); |
| 92 |
add_filter( 'the_content', [ $this, 'load_taboola_content_mid' ] ); |
| 93 |
|
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/* full-page buffer – home & category */ |
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add_action( 'template_redirect', [ $this, 'tb_home_buffer_start' ], 0 ); |
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add_action( 'shutdown', [ $this, 'tb_home_buffer_flush' ], PHP_INT_MAX ); |
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|
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add_action( 'template_redirect', [ $this, 'tb_cat_buffer_start' ], 0 ); |
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add_action( 'shutdown', [ $this, 'tb_cat_buffer_flush' ], PHP_INT_MAX ); |
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} |
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} // __construct |
| 102 |
|
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|
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/* ====================================================================== |
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CATEGORY ▸ should we show the widget? |
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====================================================================== */ |
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private function should_show_content_widget_category(): bool { |
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return ( |
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trim( $this->settings->publisher_id ) !== '' && |
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( is_category() || is_archive() || is_search() ) && |
| 111 |
$this->settings->category_enabled && |
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trim( $this->settings->category_widget_id ) !== '' |
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); |
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} |
| 115 |
|
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/* ---------------------------------------------------------------------- |
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HOMEPAGE ▸ full-page buffer |
| 118 |
-------------------------------------------------------------------- */ |
| 119 |
public function tb_home_buffer_start() { |
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if ( $this->should_show_content_widget_home() ) { |
| 121 |
ob_start( [ $this, 'tb_home_buffer_inject' ] ); |
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} |
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} |
| 124 |
public function tb_home_buffer_inject( $html ) { |
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return $this->load_taboola_content_home( $html ); |
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} |
| 127 |
|
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/* ---------------------------------------------------------------------- |
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CATEGORY ▸ buffer hooks |
| 130 |
-------------------------------------------------------------------- */ |
| 131 |
public function tb_cat_buffer_start() { |
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if ( $this->should_show_content_widget_category() ) { |
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ob_start( [ $this, 'tb_cat_buffer_inject' ] ); |
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} |
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} |
| 136 |
public function tb_cat_buffer_inject( $html ) { |
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return $this->load_taboola_content_category( $html ); |
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} |
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public function tb_cat_buffer_flush() { |
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if ( ob_get_length() ) { |
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echo ob_get_clean(); |
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} |
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} |
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|
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/* ---------------------------------------------------------------------- |
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CATEGORY ▸ choose where to inject |
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-------------------------------------------------------------------- */ |
| 148 |
private function embed_taboola_content_location_category( |
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string $html, |
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array $taboola_content, |
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string $selector ) : string { |
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|
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$formatted = $this->format_taboola_content_category( $taboola_content ); |
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|
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/* A. no selector → bottom of page */ |
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if ( $selector === '' ) { |
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return str_ireplace( '</body>', $formatted . '</body>', $html ); |
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} |
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|
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/* B. selector given → try server-side injection */ |
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$doc = str_get_html( $html ); |
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if ( ! $doc ) { |
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// parser failed → graceful fallback |
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return str_ireplace( '</body>', $formatted . '</body>', $html ); |
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} |
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|
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$occurrence = max( 0, $this->settings->category_location_string_occurrence - 1 ); |
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$target = $doc->find( $selector, $occurrence ); |
| 169 |
|
| 170 |
if ( $target ) { // selector found |
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$target->outertext .= $formatted; |
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return (string) $doc; // done – no duplicate |
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} |
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|
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/* C. selector not found → bottom of page */ |
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return str_ireplace( '</body>', $formatted . '</body>', $html ); |
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} |
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|
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/* ------------------------------------------------------------------ */ |
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public function tb_home_buffer_flush() { |
| 181 |
if ( ob_get_length() ) { |
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echo ob_get_clean(); |
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} |
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} |
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|
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|
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|
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|
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function plugin_action_links($links, $file) { |
| 190 |
static $this_plugin; |
| 191 |
|
| 192 |
if (!$this_plugin) { |
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$this_plugin = plugin_basename(__FILE__); |
| 194 |
} |
| 195 |
|
| 196 |
if ($file == $this_plugin) { |
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$settings_link = '<a href="' . get_bloginfo('wpurl') . '/wp-admin/options-general.php?page=taboola_widget">Settings</a>'; |
| 198 |
array_unshift($links, $settings_link); |
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} |
| 200 |
|
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return $links; |
| 202 |
} |
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|
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private function should_show_content_widget(){ |
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$retVal = ((trim($this->settings->publisher_id) != '') && is_single() && $this->settings->first_bc_enabled && trim($this->settings->first_bc_widget_id) != ''); |
| 206 |
return $retVal; |
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} |
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|
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private function should_show_content_widget_mid(){ |
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// PC - only if v2 was installed: |
| 211 |
if (!$this->is_db_updated_for_min_ver("2.0.0")) |
| 212 |
return false; |
| 213 |
$retVal1 = ((trim($this->settings->publisher_id) != '') && is_single() && !empty($this->settings->mid_enabled)); |
| 214 |
return $retVal1; |
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} |
| 216 |
|
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private function should_show_content_widget_home(){ |
| 218 |
// PC - only if v2 was installed: |
| 219 |
|
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//error_log( print_r( $this->settings, true ) ); // TEMP line |
| 221 |
|
| 222 |
if (!$this->is_db_updated_for_min_ver("2.0.0")) |
| 223 |
return false; |
| 224 |
$retVal2 = ((trim($this->settings->publisher_id) != '') && (is_front_page() || is_home()) && $this->settings->home_enabled && trim($this->settings->home_widget_id) != ''); |
| 225 |
return $retVal2; |
| 226 |
} |
| 227 |
|
| 228 |
private function should_show_sidebar_widget(){ |
| 229 |
$retVal = ((trim($this->settings->publisher_id) != '') && is_active_widget( false, false, TABOOLA_WIDGET_BASE_ID, true )); |
| 230 |
return $retVal; |
| 231 |
} |
| 232 |
|
| 233 |
// Determine if a taboola widget should be added somewhere on the current page (content or sidebar) |
| 234 |
function is_widget_on_page(){ |
| 235 |
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() ; |
| 236 |
} |
| 237 |
|
| 238 |
function get_page_type(){ |
| 239 |
$page_type='article'; |
| 240 |
if (is_front_page()){ |
| 241 |
$page_type='home'; |
| 242 |
}else if (is_category() || is_archive() || is_search()){ |
| 243 |
$page_type='category'; |
| 244 |
} |
| 245 |
return $page_type; |
| 246 |
} |
| 247 |
|
| 248 |
// return the head loader script |
| 249 |
function taboola_header_loader_js() { |
| 250 |
$head_string = ""; |
| 251 |
|
| 252 |
// Only adding the loader if a widget is going to be placed on the page. |
| 253 |
if ($this->is_widget_on_page()){ |
| 254 |
// PC - since these params will be inserted in 'loaderInjectionScript.js' via search and replace, |
| 255 |
// double brackets are used to ensure that each key is a unique string. |
| 256 |
$stringParams = array( |
| 257 |
'{{PUBLISHER_ID}}' => $this->settings->publisher_id, |
| 258 |
'{{PAGE_TYPE}}' => $this->get_page_type(), |
| 259 |
'{{WORDPRESS_VERSION}}' => get_bloginfo('version'), |
| 260 |
'{{PHP_VERSION}}' => phpversion(), |
| 261 |
'{{PLUGIN_VERSION}}' => TABOOLA_PLUGIN_VERSION, |
| 262 |
'{{LOC_MID}}' => $this->settings->mid_location_string, |
| 263 |
'{{LOC_HOME}}' => $this->settings->home_location_string |
| 264 |
); |
| 265 |
|
| 266 |
$scriptWrapper = new JavaScriptWrapper("loaderInjectionScript.js",$stringParams); |
| 267 |
$head_string = $scriptWrapper->getScriptMarkupString(); |
| 268 |
} |
| 269 |
return $head_string; |
| 270 |
} |
| 271 |
|
| 272 |
|
| 273 |
// This function is used for the hook action, injects the header content to the <head> tag. |
| 274 |
function taboola_header_loader_inject(){ |
| 275 |
echo $this->taboola_header_loader_js(); |
| 276 |
} |
| 277 |
|
| 278 |
// adding webpush loader |
| 279 |
function taboola_webpush_loader_js() { |
| 280 |
if(is_single() || is_home() || is_category() || is_front_page()){ |
| 281 |
$stringParamsWeb = array( |
| 282 |
'{{PUBLISHER_ID}}' => $this->settings->publisher_id_push |
| 283 |
); |
| 284 |
$webpushInjectionScript = new JavaScriptWrapper("webPush.js",$stringParamsWeb); |
| 285 |
echo $webpushInjectionScript; |
| 286 |
} |
| 287 |
} |
| 288 |
|
| 289 |
function taboola_footer_loader_js() { |
| 290 |
|
| 291 |
// Only adding flush script if a widget is going to be placed on the page. |
| 292 |
if ($this->is_widget_on_page()){ |
| 293 |
$flushInjectionScript = new JavaScriptWrapper('flushInjectionScript.js',array()); |
| 294 |
echo $flushInjectionScript->getScriptMarkupString(); |
| 295 |
} |
| 296 |
} |
| 297 |
|
| 298 |
// Below-article widget |
| 299 |
function load_taboola_content($content) |
| 300 |
{ |
| 301 |
$taboola_content = array(); |
| 302 |
if ($this->should_show_content_widget()){ |
| 303 |
|
| 304 |
$firstWidgetParams = array( |
| 305 |
'{{WIDGET_ID}}' => $this->settings->first_bc_widget_id, |
| 306 |
'{{CONTAINER}}' => 'taboola-below-article-thumbnails', |
| 307 |
// PC - If v2 was not installed, then use v1 logic |
| 308 |
'{{PLACEMENT}}' => (!empty($this->settings->first_bc_placement)) ? $this->settings->first_bc_placement : 'below-article' // In case v1 upgrade has not run yet |
| 309 |
); |
| 310 |
|
| 311 |
$firstWidgetScript = new JavaScriptWrapper("widgetInjectionScript.js",$firstWidgetParams); |
| 312 |
$taboola_content[TABOOLA_CONTENT_FORMAT_HTML][] = "<div id='taboola-below-article-thumbnails'></div>"; |
| 313 |
$taboola_content[TABOOLA_CONTENT_FORMAT_SCRIPT][] = $firstWidgetScript; |
| 314 |
|
| 315 |
$content = $this->embed_taboola_content_location($content,$taboola_content); |
| 316 |
} |
| 317 |
|
| 318 |
return $content; |
| 319 |
} |
| 320 |
|
| 321 |
// Mid-article-widget |
| 322 |
function load_taboola_content_mid($content) { |
| 323 |
if ($this->should_show_content_widget_mid()){ |
| 324 |
$mid_widgets = json_decode($this->settings->mid_widgets ?? '[]'); |
| 325 |
|
| 326 |
if (is_array($mid_widgets) && !empty($mid_widgets)) { |
| 327 |
foreach ($mid_widgets as $index => $widget) { |
| 328 |
$container_id = 'taboola-mid-article-thumbnails-' . $index; |
| 329 |
|
| 330 |
$widgetParams = array( |
| 331 |
'{{WIDGET_ID}}' => $widget->widget_id, |
| 332 |
'{{CONTAINER}}' => $container_id, |
| 333 |
'{{PLACEMENT}}' => $widget->placement |
| 334 |
); |
| 335 |
|
| 336 |
$widgetScript = new JavaScriptWrapper("widgetInjectionScript.js", $widgetParams); |
| 337 |
$taboola_content_mid = array( |
| 338 |
TABOOLA_CONTENT_FORMAT_HTML => array("<div id='{$container_id}'></div>"), |
| 339 |
TABOOLA_CONTENT_FORMAT_SCRIPT => array($widgetScript), |
| 340 |
); |
| 341 |
|
| 342 |
$content = $this->embed_taboola_content_location_mid( |
| 343 |
$content, |
| 344 |
$taboola_content_mid, |
| 345 |
$widget->location_string, |
| 346 |
$widget->occurrence |
| 347 |
); |
| 348 |
} |
| 349 |
} |
| 350 |
} |
| 351 |
return $content; |
| 352 |
} |
| 353 |
|
| 354 |
// Homepage widget |
| 355 |
function load_taboola_content_home($content) |
| 356 |
{ |
| 357 |
//error_log( 'TB-DEBUG ② entered load_taboola_content_home' ); |
| 358 |
$taboola_content_home = array(); |
| 359 |
if ($this->should_show_content_widget_home()){ |
| 360 |
|
| 361 |
$homeWidgetParams = array('{{WIDGET_ID}}' => $this->settings->home_widget_id, |
| 362 |
'{{CONTAINER}}' => 'taboola-homepage-thumbnails', |
| 363 |
'{{PLACEMENT}}' => $this->settings->home_placement); |
| 364 |
|
| 365 |
$homeWidgetScript = new JavaScriptWrapper("widgetInjectionScript.js",$homeWidgetParams); |
| 366 |
$taboola_content_home[TABOOLA_CONTENT_FORMAT_HTML][] = "<div id='taboola-homepage-thumbnails'></div>"; |
| 367 |
$taboola_content_home[TABOOLA_CONTENT_FORMAT_SCRIPT][] = $homeWidgetScript; |
| 368 |
|
| 369 |
$content = $this->embed_taboola_content_location_home($content,$taboola_content_home,trim($this->settings->home_location_string)); |
| 370 |
} |
| 371 |
return $content; |
| 372 |
|
| 373 |
} |
| 374 |
/* ------------------------------------------------------------------ |
| 375 |
* CATEGORY ▸ build widget & inject |
| 376 |
* ------------------------------------------------------------------*/ |
| 377 |
public function load_taboola_content_category( $content ) { |
| 378 |
|
| 379 |
// 1) Build the DIV that Taboola will fill |
| 380 |
$taboola[TABOOLA_CONTENT_FORMAT_HTML][] = |
| 381 |
"<div id='taboola-category-thumbnails'></div>"; |
| 382 |
|
| 383 |
// 2) Build the JS that loads the feed (reuse the wrapper) |
| 384 |
$taboola[TABOOLA_CONTENT_FORMAT_SCRIPT][] = |
| 385 |
new JavaScriptWrapper( 'widgetInjectionScript.js', [ |
| 386 |
'{{WIDGET_ID}}' => $this->settings->category_widget_id, |
| 387 |
'{{CONTAINER}}' => 'taboola-category-thumbnails', |
| 388 |
'{{PLACEMENT}}' => $this->settings->category_placement, |
| 389 |
]); |
| 390 |
|
| 391 |
// 3) Decide where to insert (selector or end of <body>) |
| 392 |
return $this->embed_taboola_content_location_category( |
| 393 |
$content, |
| 394 |
$taboola, |
| 395 |
trim( $this->settings->category_location_string ) |
| 396 |
); |
| 397 |
} |
| 398 |
|
| 399 |
// Below-article widget |
| 400 |
|
| 401 |
// Extract the taboola content in the required format: |
| 402 |
// String - for injecting on the servr side |
| 403 |
// Script or HTML - for injecting on the client side |
| 404 |
function format_taboola_content($taboola_content,$format){ |
| 405 |
$ret_val = null; |
| 406 |
|
| 407 |
switch($format){ |
| 408 |
case TABOOLA_CONTENT_FORMAT_STRING: |
| 409 |
$result_string = join("",$taboola_content[TABOOLA_CONTENT_FORMAT_HTML]). |
| 410 |
"<script type='text/javascript'>".join("\n",$taboola_content[TABOOLA_CONTENT_FORMAT_SCRIPT])."</script>"; |
| 411 |
$ret_val = $result_string; |
| 412 |
break; |
| 413 |
|
| 414 |
// script or html |
| 415 |
default: |
| 416 |
$ret_val = str_replace("\n","",join("",$taboola_content[$format])); |
| 417 |
break; |
| 418 |
} |
| 419 |
|
| 420 |
return $ret_val; |
| 421 |
} |
| 422 |
|
| 423 |
|
| 424 |
// Mid-article widget |
| 425 |
function format_taboola_content_mid($taboola_content_mid,$format){ |
| 426 |
$ret_val = null; |
| 427 |
|
| 428 |
switch($format){ |
| 429 |
case TABOOLA_CONTENT_FORMAT_STRING: |
| 430 |
$result_string = join("",$taboola_content_mid[TABOOLA_CONTENT_FORMAT_HTML]). |
| 431 |
"<script type='text/javascript'>".join("\n",$taboola_content_mid[TABOOLA_CONTENT_FORMAT_SCRIPT])."</script>"; |
| 432 |
$ret_val = $result_string; |
| 433 |
break; |
| 434 |
|
| 435 |
// script or html |
| 436 |
default: |
| 437 |
$ret_val = str_replace("\n","",join("",$taboola_content_mid[$format])); |
| 438 |
break; |
| 439 |
} |
| 440 |
|
| 441 |
return $ret_val; |
| 442 |
} |
| 443 |
|
| 444 |
|
| 445 |
// Homepage widget |
| 446 |
function format_taboola_content_home($taboola_content_home,$format){ |
| 447 |
|
| 448 |
$ret_val = null; |
| 449 |
|
| 450 |
switch($format){ |
| 451 |
case TABOOLA_CONTENT_FORMAT_STRING: |
| 452 |
$result_string = join("",$taboola_content_home[TABOOLA_CONTENT_FORMAT_HTML]). |
| 453 |
"<script type='text/javascript'>".join("\n",$taboola_content_home[TABOOLA_CONTENT_FORMAT_SCRIPT])."</script>"; |
| 454 |
$ret_val = $result_string; |
| 455 |
break; |
| 456 |
|
| 457 |
// script or html |
| 458 |
default: |
| 459 |
$ret_val = str_replace("\n","",join("",$taboola_content_home[$format])); |
| 460 |
break; |
| 461 |
} |
| 462 |
|
| 463 |
return $ret_val; |
| 464 |
|
| 465 |
} |
| 466 |
|
| 467 |
|
| 468 |
// ► CATEGORY formatter ◄ |
| 469 |
private function format_taboola_content_category( $arr ) { |
| 470 |
return implode( "\n", [ |
| 471 |
implode( "\n", $arr[TABOOLA_CONTENT_FORMAT_HTML] ?? [] ), |
| 472 |
'<script type="text/javascript">' . |
| 473 |
implode( "\n", $arr[TABOOLA_CONTENT_FORMAT_SCRIPT] ?? [] ) . |
| 474 |
'</script>', |
| 475 |
]); |
| 476 |
} |
| 477 |
// Below-article widget |
| 478 |
// Do the actual logic of choosing where to place the taboola content. |
| 479 |
function embed_taboola_content_location($content, $taboola_content){ |
| 480 |
$do_default = true; |
| 481 |
|
| 482 |
// tag is placed outside of content in order to allow "read more" functionality. |
| 483 |
if ($this->settings->out_of_content_enabled){ |
| 484 |
|
| 485 |
$scriptWrapper = new JavaScriptWrapper("js_inject.min.js",array( |
| 486 |
"{{HTML}}" => $this->format_taboola_content($taboola_content,TABOOLA_CONTENT_FORMAT_HTML), |
| 487 |
"{{SCRIPT}}" => $this->format_taboola_content($taboola_content,TABOOLA_CONTENT_FORMAT_SCRIPT)) |
| 488 |
); |
| 489 |
$scriptWrapper->appendScript("injectWidgetByMarker('tbmarker');"); |
| 490 |
$content = $content."<span id='tbmarker'></span><script type='text/javascript'>".$scriptWrapper."</script>"; |
| 491 |
$do_default = false; |
| 492 |
} |
| 493 |
|
| 494 |
// Default for below-article widget - add to the end of the content |
| 495 |
if ($do_default){ |
| 496 |
$content = $content.$this->format_taboola_content($taboola_content,TABOOLA_CONTENT_FORMAT_STRING); |
| 497 |
} |
| 498 |
|
| 499 |
return $content; |
| 500 |
} |
| 501 |
|
| 502 |
// Mid-article widget |
| 503 |
// Do the actual logic of choosing where to place the taboola content based on the "location" attribute |
| 504 |
function embed_taboola_content_location_mid($content, $taboola_content_mid, $location, $occurrence = 1){ |
| 505 |
$do_default = true; |
| 506 |
|
| 507 |
if (isset($location) && $location != ''){ |
| 508 |
$first_char = substr($location,0,1); |
| 509 |
|
| 510 |
// DIV/XPATH provided for JS handling |
| 511 |
if ($first_char == TABOOLA_JS_MARKER){ |
| 512 |
$full_indicator = substr($location,0,strlen(TABOOLA_JS_INDICATOR)); |
| 513 |
|
| 514 |
if ($full_indicator == TABOOLA_JS_INDICATOR){ |
| 515 |
|
| 516 |
$xpath = substr($location,strlen(TABOOLA_JS_INDICATOR)); |
| 517 |
$scriptWrapper = new JavaScriptWrapper("js_inject.min.js",array( |
| 518 |
"{{HTML}}" => $this->format_taboola_content_mid($taboola_content_mid,TABOOLA_CONTENT_FORMAT_HTML), |
| 519 |
"{{SCRIPT}}" => $this->format_taboola_content_mid($taboola_content_mid,TABOOLA_CONTENT_FORMAT_SCRIPT)) |
| 520 |
); |
| 521 |
$scriptWrapper->appendScript("injectWidgetByXpath('".$xpath."');"); |
| 522 |
$content = $content."<span id='tbdefault'></span><script type='text/javascript'>".$scriptWrapper."</script>"; |
| 523 |
|
| 524 |
$do_default = false; |
| 525 |
} |
| 526 |
|
| 527 |
// server side selector provided (see simple_html_dom selectors http://simplehtmldom.sourceforge.net/manual.htm) |
| 528 |
// basically it's CSS selectors like in jQuery |
| 529 |
} else{ |
| 530 |
require_once('simple_html_dom.php'); |
| 531 |
|
| 532 |
$html_doc = str_get_html($content); |
| 533 |
$target_location = $html_doc->find($location, ($occurrence) - 1); |
| 534 |
|
| 535 |
// if the location was found within the html content |
| 536 |
if (isset($target_location) && is_object($target_location)){ |
| 537 |
|
| 538 |
// adding taboola content AFTER the target location |
| 539 |
$target_location->outertext = $target_location->outertext.$this->format_taboola_content_mid($taboola_content_mid,TABOOLA_CONTENT_FORMAT_STRING); |
| 540 |
$content = $html_doc; |
| 541 |
$do_default = false; |
| 542 |
} |
| 543 |
} |
| 544 |
} |
| 545 |
|
| 546 |
return $content; |
| 547 |
} |
| 548 |
|
| 549 |
// Homepage widget |
| 550 |
// Do the actual logic of choosing where to place the taboola content based on the "location" attribute |
| 551 |
function embed_taboola_content_location_home($content, $taboola_content_home, $location){ |
| 552 |
|
| 553 |
|
| 554 |
// error_log( 'TB-DEBUG ③ raw selector string: [' . $location . ']' ); |
| 555 |
|
| 556 |
// load parser |
| 557 |
//require_once plugin_dir_path( __FILE__ ) . 'simple_html_dom.php'; |
| 558 |
// $html_doc = str_get_html( $content ); |
| 559 |
|
| 560 |
// occurrence: settings is 1-based, find() wants 0-based |
| 561 |
// $occurrence = max( 1, intval( $this->settings->home_location_string_occurrence ) ); |
| 562 |
// $node = $html_doc->find( $location, $occurrence - 1 ); |
| 563 |
// $found = is_object( $node ) ? 1 : 0; |
| 564 |
|
| 565 |
// error_log( "TB-DEBUG ③ found {$found} matching node(s) for selector [{$location}]" ); |
| 566 |
// ──────────────────────────── |
| 567 |
$do_default = true; |
| 568 |
|
| 569 |
if (isset($location) && $location != ''){ |
| 570 |
$first_char = substr($location,0,1); |
| 571 |
|
| 572 |
// DIV/XPATH provided for JS handling |
| 573 |
if ($first_char == TABOOLA_JS_MARKER){ |
| 574 |
$full_indicator = substr($location,0,strlen(TABOOLA_JS_INDICATOR)); |
| 575 |
|
| 576 |
if ($full_indicator == TABOOLA_JS_INDICATOR){ |
| 577 |
|
| 578 |
$xpath = substr($location,strlen(TABOOLA_JS_INDICATOR)); |
| 579 |
$scriptWrapper = new JavaScriptWrapper("js_inject.min.js",array( |
| 580 |
"{{HTML}}" => $this->format_taboola_content_home($taboola_content_home,TABOOLA_CONTENT_FORMAT_HTML), |
| 581 |
"{{SCRIPT}}" => $this->format_taboola_content_home($taboola_content_home,TABOOLA_CONTENT_FORMAT_SCRIPT)) |
| 582 |
); |
| 583 |
$scriptWrapper->appendScript("injectWidgetByXpath('".$xpath."');"); |
| 584 |
$content = $content."<span id='tbdefault'></span><script type='text/javascript'>".$scriptWrapper."</script>"; |
| 585 |
|
| 586 |
$do_default = false; |
| 587 |
} |
| 588 |
|
| 589 |
// server side selector provided (see simple_html_dom selectors http://simplehtmldom.sourceforge.net/manual.htm) |
| 590 |
// basically it's CSS selectors like in jQuery |
| 591 |
} else{ |
| 592 |
require_once('simple_html_dom.php'); |
| 593 |
|
| 594 |
$html_doc = str_get_html($content); |
| 595 |
$target_location = $html_doc->find($location,($this->settings->home_location_string_occurrence)-1); |
| 596 |
|
| 597 |
// if the location was found within the html content |
| 598 |
if (isset($target_location) && is_object($target_location)){ |
| 599 |
|
| 600 |
// adding taboola content AFTER the target location |
| 601 |
$target_location->outertext = $target_location->outertext.$this->format_taboola_content_home($taboola_content_home,TABOOLA_CONTENT_FORMAT_STRING); |
| 602 |
$content = $html_doc; |
| 603 |
$do_default = false; |
| 604 |
} |
| 605 |
} |
| 606 |
} |
| 607 |
// Default for below-article widget - add to the end of the content |
| 608 |
if ($do_default){ |
| 609 |
$content = $content.$this->format_taboola_content_home($taboola_content_home,TABOOLA_CONTENT_FORMAT_STRING); |
| 610 |
} |
| 611 |
return $content; |
| 612 |
|
| 613 |
|
| 614 |
} |
| 615 |
|
| 616 |
function admin_generate_menu(){ |
| 617 |
global $current_user; |
| 618 |
add_menu_page(__('Taboola','taboola_widget'), __('Taboola','taboola_widget'), 'manage_options', 'taboola_widget', array(&$this, 'admin_taboola_settings'), $this->plugin_url.'img/taboola_icon.png', 110); |
| 619 |
} |
| 620 |
|
| 621 |
function admin_taboola_settings(){ |
| 622 |
global $wpdb; |
| 623 |
$settings = $wpdb->get_row("select * from ".$wpdb->prefix."_taboola_settings limit 1"); |
| 624 |
$taboola_errors = array(); |
| 625 |
if($_SERVER['REQUEST_METHOD'] == 'POST'){ |
| 626 |
|
| 627 |
if(trim(strip_tags($_POST['publisher_id'])) == ''){ |
| 628 |
$taboola_errors[] = "Publisher ID"; |
| 629 |
} |
| 630 |
|
| 631 |
if(isset($_POST['web_push_enabled'])) { |
| 632 |
if (trim(strip_tags($_POST['publisher_id_push'])) == '') { |
| 633 |
$taboola_errors[] = "Publisher Push ID"; |
| 634 |
} |
| 635 |
} |
| 636 |
|
| 637 |
if(isset($_POST['first_bc_enabled'])) { |
| 638 |
if (trim(strip_tags($_POST['first_bc_widget_id'])) == '') { |
| 639 |
$taboola_errors[] = "Below-article > Widget ID"; |
| 640 |
} |
| 641 |
if (trim(strip_tags($_POST['first_bc_placement'])) == '') { |
| 642 |
$taboola_errors[] = "Below-article > Placement Name"; |
| 643 |
} |
| 644 |
} |
| 645 |
|
| 646 |
if(isset($_POST['mid_enabled'])) { |
| 647 |
if(isset($_POST['mid_widget_id']) && is_array($_POST['mid_widget_id'])) { |
| 648 |
foreach ($_POST['mid_widget_id'] as $index => $widget_id) { |
| 649 |
if(trim($widget_id) == '') { |
| 650 |
$taboola_errors[] = "Mid-article Widget #".($index + 1)." > Widget ID"; |
| 651 |
} |
| 652 |
if(trim($_POST['mid_placement'][$index]) == '') { |
| 653 |
$taboola_errors[] = "Mid-article Widget #".($index + 1)." > Placement Name"; |
| 654 |
} |
| 655 |
} |
| 656 |
} |
| 657 |
} |
| 658 |
|
| 659 |
if(isset($_POST['home_enabled'])) { |
| 660 |
if (trim(strip_tags($_POST['home_widget_id'])) == '') { |
| 661 |
$taboola_errors[] = "Homepage > Widget ID"; |
| 662 |
} |
| 663 |
if (trim(strip_tags($_POST['home_placement'])) == '') { |
| 664 |
$taboola_errors[] = "Homepage > Placement Name"; |
| 665 |
} |
| 666 |
|
| 667 |
if (trim(strip_tags($_POST['home_location_string'])) == '') { |
| 668 |
$taboola_errors[] = "Homepage > CSS selector"; |
| 669 |
} |
| 670 |
else { |
| 671 |
if (!empty($_POST['home_location_string']) && !$this->is_home_location_string_occurrence_valid($_POST['home_location_string_occurrence'])) { |
| 672 |
$taboola_errors[] = "Homepage > Occurance (must be >= 1)"; |
| 673 |
} |
| 674 |
} |
| 675 |
} |
| 676 |
if ( isset($_POST['category_enabled']) ) { |
| 677 |
if ( trim(strip_tags($_POST['category_widget_id'])) == '' ) |
| 678 |
$taboola_errors[] = "Category > Widget ID"; |
| 679 |
if ( trim(strip_tags($_POST['category_placement'])) == '' ) |
| 680 |
$taboola_errors[] = "Category > Placement Name"; |
| 681 |
} |
| 682 |
|
| 683 |
if(count($taboola_errors) == 0){ |
| 684 |
|
| 685 |
$mid_widgets_data = array(); |
| 686 |
if (isset($_POST['mid_widget_id']) && is_array($_POST['mid_widget_id'])) { |
| 687 |
foreach ($_POST['mid_widget_id'] as $index => $widget_id) { |
| 688 |
if (!empty(trim($widget_id))) { |
| 689 |
|
| 690 |
$location_string = 'p'; |
| 691 |
if (isset($_POST['mid_paragraph_ui_mode'][$index]) && $_POST['mid_paragraph_ui_mode'][$index] === 'Other') { |
| 692 |
if (isset($_POST['mid_location_string'][$index])) { |
| 693 |
$location_string = sanitize_text_field($_POST['mid_location_string'][$index]); |
| 694 |
} |
| 695 |
} |
| 696 |
|
| 697 |
$mid_widgets_data[] = array( |
| 698 |
'widget_id' => sanitize_text_field($widget_id), |
| 699 |
'placement' => sanitize_text_field($_POST['mid_placement'][$index]), |
| 700 |
'location_string' => $location_string, |
| 701 |
'occurrence' => intval($_POST['mid_location_string_occurrence'][$index]), |
| 702 |
); |
| 703 |
} |
| 704 |
} |
| 705 |
} |
| 706 |
$mid_widgets_json = json_encode($mid_widgets_data); |
| 707 |
|
| 708 |
$data = array( |
| 709 |
"publisher_id" => trim($_POST['publisher_id']), |
| 710 |
|
| 711 |
"web_push_enabled" => isset($_POST['web_push_enabled']) ? true : false, |
| 712 |
"publisher_id_push" => !empty($_POST['publisher_id_push']) ? trim($_POST['publisher_id_push']) : '', |
| 713 |
|
| 714 |
"first_bc_enabled" => isset($_POST['first_bc_enabled']) ? true : false, |
| 715 |
"first_bc_widget_id" => !empty($_POST['first_bc_widget_id']) ? trim($_POST['first_bc_widget_id']) : '', |
| 716 |
"first_bc_placement" => !empty($_POST['first_bc_placement']) ? trim($_POST['first_bc_placement']) : '', |
| 717 |
|
| 718 |
"out_of_content_enabled" => isset($_POST['out_of_content_enabled']) ? true : false, |
| 719 |
|
| 720 |
"mid_enabled" => isset($_POST['mid_enabled']) ? true : false, |
| 721 |
"mid_widgets" => $mid_widgets_json, |
| 722 |
|
| 723 |
"home_enabled" => isset($_POST['home_enabled']) ? true : false, |
| 724 |
"home_widget_id" => !empty($_POST['home_widget_id']) ? trim($_POST['home_widget_id']) : '', |
| 725 |
"home_placement" => !empty($_POST['home_placement']) ? trim($_POST['home_placement']) : '', |
| 726 |
|
| 727 |
"home_location_string_occurrence" => !empty($_POST['home_location_string_occurrence']) ? $_POST['home_location_string_occurrence'] : '', |
| 728 |
"home_location_string" => !empty($_POST['home_location_string']) ? trim($_POST['home_location_string']) : '', |
| 729 |
"category_enabled" => isset($_POST['category_enabled']) ? true : false, |
| 730 |
"category_widget_id" => !empty($_POST['category_widget_id']) ? trim($_POST['category_widget_id']) : '', |
| 731 |
"category_placement" => !empty($_POST['category_placement']) ? trim($_POST['category_placement']) : '', |
| 732 |
"category_location_string_occurrence" => !empty($_POST['category_location_string_occurrence']) ? $_POST['category_location_string_occurrence'] : '', |
| 733 |
"category_location_string" => !empty($_POST['category_location_string']) ? trim($_POST['category_location_string']) : '', |
| 734 |
|
| 735 |
); |
| 736 |
|
| 737 |
$is_valid_nonce = false; |
| 738 |
|
| 739 |
if (isset( $_POST['my_plugin_nonce']) && wp_verify_nonce( $_POST['my_plugin_nonce'], 'my_plugin_update_field_action' ) ) { |
| 740 |
$is_valid_nonce = true; |
| 741 |
} |
| 742 |
|
| 743 |
if ($is_valid_nonce) { |
| 744 |
if($settings == NULL){ |
| 745 |
$wpdb->insert($this->tbl_taboola_settings, $data); |
| 746 |
} else { |
| 747 |
$wpdb->update($this->tbl_taboola_settings, $data, array('id' => $settings->id)); |
| 748 |
} |
| 749 |
} |
| 750 |
} |
| 751 |
$settings = $wpdb->get_row("select * from ".$wpdb->prefix."_taboola_settings limit 1"); |
| 752 |
} |
| 753 |
include_once('settings.php'); |
| 754 |
} |
| 755 |
|
| 756 |
function is_mid_location_string_valid($mid_location_string){ |
| 757 |
// TODO:: validate the location string |
| 758 |
return true; |
| 759 |
} |
| 760 |
|
| 761 |
function is_mid_location_string_occurrence_valid($mid_location_string_occurrence){ |
| 762 |
|
| 763 |
if ((int)$mid_location_string_occurrence >= 1) { |
| 764 |
return true; |
| 765 |
} |
| 766 |
return false; |
| 767 |
} |
| 768 |
|
| 769 |
function is_home_location_string_valid($home_location_string){ |
| 770 |
// TODO:: validate the location string |
| 771 |
return true; |
| 772 |
} |
| 773 |
|
| 774 |
function is_home_location_string_occurrence_valid($home_location_string_occurrence){ |
| 775 |
|
| 776 |
if ((int)$home_location_string_occurrence >= 1) { |
| 777 |
return true; |
| 778 |
} |
| 779 |
return false; |
| 780 |
} |
| 781 |
|
| 782 |
function columnExists($column_name) { |
| 783 |
global $wpdb; |
| 784 |
$table_name = $wpdb->prefix . "_taboola_settings"; |
| 785 |
tb_write_log("table name : " . $table_name); |
| 786 |
tb_write_log("column name : " . $column_name); |
| 787 |
|
| 788 |
$column_exists = $wpdb->get_var("SHOW COLUMNS FROM $table_name LIKE '$column_name'") !== null; |
| 789 |
|
| 790 |
if ($column_exists) { |
| 791 |
tb_write_log("Yes - column " . $column_name . " DOES exist!"); //PC |
| 792 |
return true; |
| 793 |
} else { |
| 794 |
tb_write_log("No - column " . $column_name . " does NOT exist!"); //PC |
| 795 |
return false; |
| 796 |
} |
| 797 |
} |
| 798 |
|
| 799 |
function is_upgrade_from_v1() { |
| 800 |
|
| 801 |
if($this->columnExists("first_bc_widget_id") && !$this->columnExists("first_bc_placement")){ |
| 802 |
tb_write_log("This IS a v1 upgrade!"); //PC |
| 803 |
return true; |
| 804 |
} |
| 805 |
else { |
| 806 |
tb_write_log("This is NOT a v1 upgrade!"); //PC |
| 807 |
return false; |
| 808 |
} |
| 809 |
} |
| 810 |
|
| 811 |
function is_db_updated_for_min_ver($min_ver) { |
| 812 |
global $wpdb; |
| 813 |
$table_name = $wpdb->prefix . "_taboola_settings"; |
| 814 |
|
| 815 |
if($wpdb->get_var("SHOW TABLES LIKE '$table_name'") != $table_name) { |
| 816 |
tb_write_log("Table NOT FOUND"); |
| 817 |
return false; |
| 818 |
} |
| 819 |
else { |
| 820 |
tb_write_log("Table EXISTS"); |
| 821 |
} |
| 822 |
$saved_version = get_option(TABOOLA_OPTION_NAME, '1.0.0'); |
| 823 |
|
| 824 |
$db_is_up_to_date = version_compare($saved_version, $min_ver, '>='); |
| 825 |
return $db_is_up_to_date; |
| 826 |
|
| 827 |
} |
| 828 |
|
| 829 |
function is_db_updated_for_current_ver() { |
| 830 |
global $wpdb; |
| 831 |
$saved_version = get_option(TABOOLA_OPTION_NAME, '1.0.0'); |
| 832 |
$plugin_version = $this->get_loaded_plugin_version(); |
| 833 |
$db_is_up_to_date = version_compare($saved_version, $plugin_version, '>='); |
| 834 |
return $db_is_up_to_date; |
| 835 |
} |
| 836 |
|
| 837 |
function get_loaded_plugin_version() { |
| 838 |
$plugin_data = get_plugin_data( __FILE__ ); |
| 839 |
$loaded_plugin_version = $plugin_data['Version']; |
| 840 |
return $loaded_plugin_version; |
| 841 |
} |
| 842 |
|
| 843 |
function save_taboola_version($min_ver) { |
| 844 |
tb_write_log("SAVING NEW MIN VERSION: " . $min_ver); // PC |
| 845 |
$saved_version = get_option(TABOOLA_OPTION_NAME, ''); |
| 846 |
if ($saved_version == '') { |
| 847 |
add_option(TABOOLA_OPTION_NAME, $min_ver); |
| 848 |
} |
| 849 |
else { |
| 850 |
update_option(TABOOLA_OPTION_NAME, $min_ver); |
| 851 |
} |
| 852 |
} |
| 853 |
|
| 854 |
function update_db(){ |
| 855 |
if ($this->is_db_updated_for_min_ver(TABOOLA_MIN_VER)) { |
| 856 |
return; |
| 857 |
} |
| 858 |
|
| 859 |
$this->save_taboola_version(TABOOLA_MIN_VER); |
| 860 |
|
| 861 |
global $wpdb; |
| 862 |
require_once(ABSPATH . 'wp-admin/includes/upgrade.php'); |
| 863 |
|
| 864 |
$charset_collate = ''; |
| 865 |
if ( ! empty( $wpdb->charset ) ) { |
| 866 |
$charset_collate = "DEFAULT CHARACTER SET {$wpdb->charset}"; |
| 867 |
} |
| 868 |
if ( ! empty( $wpdb->collate ) ) { |
| 869 |
$charset_collate .= " COLLATE {$wpdb->collate}"; |
| 870 |
} |
| 871 |
|
| 872 |
$is_upgrade_from_v1 = $this->is_upgrade_from_v1(); |
| 873 |
$sql_table_settings = " |
| 874 |
CREATE TABLE `" . $wpdb->prefix . "_taboola_settings` ( |
| 875 |
`id` INT NOT NULL AUTO_INCREMENT , |
| 876 |
`publisher_id` VARCHAR(255) DEFAULT NULL, |
| 877 |
`web_push_enabled` TINYINT(1) NOT NULL DEFAULT FALSE, |
| 878 |
`publisher_id_push` INT(15) DEFAULT NULL, |
| 879 |
`first_bc_enabled` TINYINT(1) NOT NULL DEFAULT FALSE, |
| 880 |
`first_bc_widget_id` VARCHAR(255) DEFAULT NULL, |
| 881 |
`first_bc_placement` VARCHAR(255) DEFAULT " . ($is_upgrade_from_v1 ? "'below-article'" : "NULL") .", |
| 882 |
`out_of_content_enabled` TINYINT(1) NOT NULL DEFAULT TRUE, |
| 883 |
`mid_enabled` TINYINT(1) NOT NULL DEFAULT FALSE, |
| 884 |
`mid_widgets` TEXT DEFAULT NULL, |
| 885 |
`home_enabled` TINYINT(1) NOT NULL DEFAULT FALSE, |
| 886 |
`home_widget_id` VARCHAR(255) DEFAULT NULL, |
| 887 |
`home_placement` VARCHAR(255) DEFAULT NULL, |
| 888 |
`home_location_string` TEXT DEFAULT NULL, |
| 889 |
`home_location_string_occurrence` SMALLINT DEFAULT NULL, |
| 890 |
`category_enabled` TINYINT(1) NOT NULL DEFAULT FALSE, |
| 891 |
`category_widget_id` VARCHAR(255) DEFAULT NULL, |
| 892 |
`category_placement` VARCHAR(255) DEFAULT NULL, |
| 893 |
`category_location_string` TEXT DEFAULT NULL, |
| 894 |
`category_location_string_occurrence` SMALLINT DEFAULT NULL, |
| 895 |
PRIMARY KEY (`id`) |
| 896 |
) $charset_collate;"; |
| 897 |
dbDelta($sql_table_settings); |
| 898 |
} |
| 899 |
} |
| 900 |
} |
| 901 |
|
| 902 |
global $taboolaWP; |
| 903 |
$taboolaWP = new TaboolaWP(); |
| 904 |
|
| 905 |
function tb_write_log($log_msg) |
| 906 |
{ |
| 907 |
if (!TABOOLA_DEBUG_MODE) |
| 908 |
return; |
| 909 |
|
| 910 |
$log_filename = "logs"; |
| 911 |
if (!file_exists($log_filename)) |
| 912 |
{ |
| 913 |
mkdir($log_filename, 0777, true); |
| 914 |
} |
| 915 |
$log_file_data = $log_filename.'/debug.log'; |
| 916 |
|
| 917 |
$date = date('Y-m-d H:i:s'); |
| 918 |
$log_msg_with_date = $date." : ".$log_msg; |
| 919 |
|
| 920 |
file_put_contents($log_file_data, $log_msg_with_date . "\n", FILE_APPEND); |
| 921 |
} |
| 922 |
|
| 923 |
function tb_console_log( $data ){ |
| 924 |
|
| 925 |
If(wp_get_environment_type() === 'development') { |
| 926 |
|
| 927 |
echo '<script>'; |
| 928 |
echo 'console.log('. json_encode( $data ) .')'; |
| 929 |
echo '</script>'; |
| 930 |
|
| 931 |
} |
| 932 |
} |
| 933 |
|
| 934 |
function tb_print_to_page($data) { |
| 935 |
If(wp_get_environment_type() === 'development') { |
| 936 |
print_r($data); |
| 937 |
die; |
| 938 |
} |
| 939 |
} |
| 940 |
|
| 941 |
function enqueue_taboola_scripts() { |
| 942 |
wp_register_script( |
| 943 |
'taboola-injector', |
| 944 |
plugins_url('js/js_inject.min.js', __FILE__), |
| 945 |
array(), |
| 946 |
null, |
| 947 |
true |
| 948 |
); |
| 949 |
|
| 950 |
wp_enqueue_script('taboola-injector'); |
| 951 |
} |
| 952 |
add_action('wp_enqueue_scripts', 'enqueue_taboola_scripts'); |
