EDD_SL_Plugin_Updater.php
7 years ago
ad-ajax.php
8 years ago
ad-debug.php
8 years ago
ad-model.php
8 years ago
ad-select.php
9 years ago
ad.php
7 years ago
ad_ajax_callbacks.php
7 years ago
ad_group.php
7 years ago
ad_placements.php
7 years ago
ad_type_abstract.php
8 years ago
ad_type_content.php
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ad_type_dummy.php
8 years ago
ad_type_group.php
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ad_type_image.php
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ad_type_plain.php
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checks.php
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compatibility.php
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display-conditions.php
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filesystem.php
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frontend_checks.php
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plugin.php
7 years ago
upgrades.php
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utils.php
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visitor-conditions.php
7 years ago
widget.php
7 years ago
ad_placements.php
635 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Advanced Ads |
| 5 | * |
| 6 | * @package Advanced_Ads_Placements |
| 7 | * @author Thomas Maier <thomas.maier@webgilde.com> |
| 8 | * @license GPL-2.0+ |
| 9 | * @link http://webgilde.com |
| 10 | * @copyright 2014 Thomas Maier, webgilde GmbH |
| 11 | */ |
| 12 | |
| 13 | /** |
| 14 | * grouping placements functions |
| 15 | * |
| 16 | * @since 1.1.0 |
| 17 | * @package Advanced_Ads_Placements |
| 18 | * @author Thomas Maier <thomas.maier@webgilde.com> |
| 19 | */ |
| 20 | class Advanced_Ads_Placements { |
| 21 | |
| 22 | /** |
| 23 | * get placement types |
| 24 | * |
| 25 | * @since 1.2.1 |
| 26 | * @return arr $types array with placement types |
| 27 | */ |
| 28 | public static function get_placement_types() { |
| 29 | $types = array( |
| 30 | 'default' => array( |
| 31 | 'title' => __( 'Manual Placement', 'advanced-ads' ), |
| 32 | 'description' => __( 'Manual placement to use as function or shortcode.', 'advanced-ads' ), |
| 33 | 'image' => ADVADS_BASE_URL . 'admin/assets/img/placements/manual.png', |
| 34 | 'options' => array( 'show_position' => true, 'show_lazy_load' => true ) |
| 35 | ), |
| 36 | 'header' => array( |
| 37 | 'title' => __( 'Header Code', 'advanced-ads' ), |
| 38 | 'description' => __( 'Injected in Header (before closing </head> Tag, often not visible).', 'advanced-ads' ), |
| 39 | 'image' => ADVADS_BASE_URL . 'admin/assets/img/placements/header.png' |
| 40 | ), |
| 41 | 'footer' => array( |
| 42 | 'title' => __( 'Footer Code', 'advanced-ads' ), |
| 43 | 'description' => __( 'Injected in Footer (before closing </body> Tag).', 'advanced-ads' ), |
| 44 | 'image' => ADVADS_BASE_URL . 'admin/assets/img/placements/footer.png' |
| 45 | ), |
| 46 | 'post_top' => array( |
| 47 | 'title' => __( 'Before Content', 'advanced-ads' ), |
| 48 | 'description' => __( 'Injected before the post content.', 'advanced-ads' ), |
| 49 | 'image' => ADVADS_BASE_URL . 'admin/assets/img/placements/content-before.png', |
| 50 | 'options' => array( 'show_position' => true, 'show_lazy_load' => true, 'uses_the_content' => true ) |
| 51 | ), |
| 52 | 'post_bottom' => array( |
| 53 | 'title' => __( 'After Content', 'advanced-ads' ), |
| 54 | 'description' => __( 'Injected after the post content.', 'advanced-ads' ), |
| 55 | 'image' => ADVADS_BASE_URL . 'admin/assets/img/placements/content-after.png', |
| 56 | 'options' => array( 'show_position' => true, 'show_lazy_load' => true, 'uses_the_content' => true ) |
| 57 | ), |
| 58 | 'post_content' => array( |
| 59 | 'title' => __( 'Content', 'advanced-ads' ), |
| 60 | 'description' => __( 'Injected into the content. You can choose the paragraph after which the ad content is displayed.', 'advanced-ads' ), |
| 61 | 'image' => ADVADS_BASE_URL . 'admin/assets/img/placements/content-within.png', |
| 62 | 'options' => array( 'show_position' => true, 'show_lazy_load' => true, 'uses_the_content' => true ) |
| 63 | ), |
| 64 | 'sidebar_widget' => array( |
| 65 | 'title' => __( 'Sidebar Widget', 'advanced-ads' ), |
| 66 | 'description' => __( 'Create a sidebar widget with an ad. Can be placed and used like any other widget.', 'advanced-ads' ), |
| 67 | 'image' => ADVADS_BASE_URL . 'admin/assets/img/placements/widget.png', |
| 68 | 'options' => array( 'show_lazy_load' => true ) |
| 69 | ), |
| 70 | ); |
| 71 | return apply_filters( 'advanced-ads-placement-types', $types ); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * update placements if sent |
| 76 | * |
| 77 | * @since 1.5.2 |
| 78 | */ |
| 79 | static function update_placements(){ |
| 80 | |
| 81 | // check user permissions |
| 82 | if( ! current_user_can( Advanced_Ads_Plugin::user_cap( 'advanced_ads_manage_placements') ) ) { |
| 83 | return; |
| 84 | } |
| 85 | |
| 86 | $success = null; |
| 87 | |
| 88 | // add hook of last opened placement settings to URL |
| 89 | $hook = !empty( $_POST['advads-last-edited-placement'] ) ? '#single-placement-' . $_POST['advads-last-edited-placement'] : ''; |
| 90 | |
| 91 | if ( isset($_POST['advads']['placement']) && check_admin_referer( 'advads-placement', 'advads_placement' ) ){ |
| 92 | $success = self::save_new_placement( $_POST['advads']['placement'] ); |
| 93 | } |
| 94 | // save placement data |
| 95 | if ( isset($_POST['advads']['placements']) && check_admin_referer( 'advads-placement', 'advads_placement' )){ |
| 96 | $success = self::save_placements( $_POST['advads']['placements'] ); |
| 97 | } |
| 98 | |
| 99 | $success = apply_filters( 'advanced-ads-update-placements', $success ); |
| 100 | |
| 101 | if(isset($success)){ |
| 102 | $message = $success ? 'updated' : 'error'; |
| 103 | wp_redirect( esc_url_raw( add_query_arg(array('message' => $message) ) ) . $hook ); |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * save a new placement |
| 109 | * |
| 110 | * @since 1.1.0 |
| 111 | * @param array $new_placement |
| 112 | * @return mixed slug if saved; false if not |
| 113 | */ |
| 114 | public static function save_new_placement($new_placement) { |
| 115 | // load placements // -TODO use model |
| 116 | $placements = Advanced_Ads::get_ad_placements_array(); |
| 117 | |
| 118 | // create slug |
| 119 | $new_placement['slug'] = sanitize_title( $new_placement['name'] ); |
| 120 | |
| 121 | if ( isset( $placements[ $new_placement['slug'] ] ) ) { |
| 122 | $i = 1; |
| 123 | // try to save placement until we found an empty slug |
| 124 | do { |
| 125 | $i ++; |
| 126 | if ( $i === 100 ) { // prevent endless loop, just in case |
| 127 | Advanced_Ads::log( 'endless loop when injecting placement' ); |
| 128 | break; |
| 129 | } |
| 130 | } while ( isset( $placements[ $new_placement['slug'] . '_' . $i ] ) ); |
| 131 | |
| 132 | $new_placement['slug'] .= '_' . $i; |
| 133 | $new_placement['name'] .= ' ' . $i; |
| 134 | } |
| 135 | |
| 136 | // check if slug already exists or is empty |
| 137 | if ( $new_placement['slug'] === '' || isset( $placements[$new_placement['slug']]) || !isset( $new_placement['type'] ) ) { |
| 138 | return false; |
| 139 | } |
| 140 | |
| 141 | // make sure only allowed types are being saved |
| 142 | $placement_types = Advanced_Ads_Placements::get_placement_types(); |
| 143 | $new_placement['type'] = (isset($placement_types[$new_placement['type']])) ? $new_placement['type'] : 'default'; |
| 144 | // escape name |
| 145 | $new_placement['name'] = esc_attr( $new_placement['name'] ); |
| 146 | |
| 147 | // add new place to all placements |
| 148 | $placements[$new_placement['slug']] = array( |
| 149 | 'type' => $new_placement['type'], |
| 150 | 'name' => $new_placement['name'], |
| 151 | 'item' => $new_placement['item'] |
| 152 | ); |
| 153 | |
| 154 | // add index options |
| 155 | if ( isset($new_placement['options']) ){ |
| 156 | $placements[$new_placement['slug']]['options'] = $new_placement['options']; |
| 157 | if ( isset($placements[$new_placement['slug']]['options']['index']) ) { |
| 158 | $placements[$new_placement['slug']]['options']['index'] = absint( $placements[$new_placement['slug']]['options']['index'] ); } |
| 159 | } |
| 160 | |
| 161 | // save array |
| 162 | Advanced_Ads::get_instance()->get_model()->update_ad_placements_array( $placements ); |
| 163 | |
| 164 | return $new_placement['slug']; |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * save placements |
| 169 | * |
| 170 | * @since 1.1.0 |
| 171 | * @param array $placement_items |
| 172 | * @return mixed true if saved; error message if not |
| 173 | */ |
| 174 | public static function save_placements($placement_items) { |
| 175 | |
| 176 | // load placements // -TODO use model |
| 177 | $placements = Advanced_Ads::get_ad_placements_array(); |
| 178 | |
| 179 | foreach ( $placement_items as $_placement_slug => $_placement ) { |
| 180 | // remove the placement |
| 181 | if ( isset($_placement['delete']) ) { |
| 182 | unset($placements[$_placement_slug]); |
| 183 | continue; |
| 184 | } |
| 185 | // save item |
| 186 | if ( isset($_placement['item']) ) { |
| 187 | $placements[$_placement_slug]['item'] = $_placement['item']; } |
| 188 | // save item options |
| 189 | if ( isset($_placement['options']) ){ |
| 190 | $placements[$_placement_slug]['options'] = $_placement['options']; |
| 191 | if ( isset($placements[$_placement_slug]['options']['index']) ) { |
| 192 | $placements[$_placement_slug]['options']['index'] = absint( $placements[$_placement_slug]['options']['index'] ); } |
| 193 | } else { |
| 194 | $placements[$_placement_slug]['options'] = array(); |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | // save array |
| 199 | Advanced_Ads::get_instance()->get_model()->update_ad_placements_array( $placements ); |
| 200 | |
| 201 | return true; |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * get items for item select field |
| 206 | * |
| 207 | * @since 1.1 |
| 208 | * @return arr $select items for select field |
| 209 | */ |
| 210 | public static function items_for_select() { |
| 211 | $select = array(); |
| 212 | $model = Advanced_Ads::get_instance()->get_model(); |
| 213 | |
| 214 | // load all ad groups |
| 215 | $groups = $model->get_ad_groups(); |
| 216 | foreach ( $groups as $_group ) { |
| 217 | $select['groups']['group_' . $_group->term_id] = $_group->name; |
| 218 | } |
| 219 | |
| 220 | // load all ads |
| 221 | $ads = $model->get_ads( array('orderby' => 'title', 'order' => 'ASC') ); |
| 222 | foreach ( $ads as $_ad ) { |
| 223 | $select['ads']['ad_' . $_ad->ID] = $_ad->post_title; |
| 224 | } |
| 225 | |
| 226 | return $select; |
| 227 | } |
| 228 | |
| 229 | /** |
| 230 | * get html tags for content injection |
| 231 | * |
| 232 | * @since 1.3.5 |
| 233 | * @return arr $tags array with tags that can be used for content injection |
| 234 | */ |
| 235 | public static function tags_for_content_injection(){ |
| 236 | $tags = apply_filters( 'advanced-ads-tags-for-injection', array( |
| 237 | 'p' => sprintf( __( 'paragraph (%s)', 'advanced-ads' ), '<p>' ), |
| 238 | 'pwithoutimg' => sprintf( __( 'paragraph without image (%s)', 'advanced-ads' ), '<p>' ), |
| 239 | 'h2' => sprintf( __( 'headline 2 (%s)', 'advanced-ads' ), '<h2>' ), |
| 240 | 'h3' => sprintf( __( 'headline 3 (%s)', 'advanced-ads' ), '<h3>' ), |
| 241 | 'h4' => sprintf( __( 'headline 4 (%s)', 'advanced-ads' ), '<h4>' ), |
| 242 | )); |
| 243 | |
| 244 | return $tags; |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * return content of a placement |
| 249 | * |
| 250 | * @since 1.1.0 |
| 251 | * @param string $id slug of the display |
| 252 | * @param array $args optional arguments (passed to child) |
| 253 | */ |
| 254 | public static function output( $id = '', $args = array() ) { |
| 255 | // get placement data for the slug |
| 256 | if ( $id == '' ) { |
| 257 | return; |
| 258 | } |
| 259 | |
| 260 | $placements = Advanced_Ads::get_ad_placements_array(); |
| 261 | $placement = ( isset( $placements[ $id ] ) && is_array( $placements[ $id ] ) ) ? $placements[ $id ] : array(); |
| 262 | |
| 263 | if ( isset( $args['change-placement'] ) ) { |
| 264 | // some options was provided by the user |
| 265 | $placement = Advanced_Ads_Utils::merge_deep_array( array( $placement, $args['change-placement'] ) ) ; |
| 266 | } |
| 267 | |
| 268 | if ( isset( $placement['item'] ) && $placement['item'] !== '' ) { |
| 269 | $_item = explode( '_', $placement['item'] ); |
| 270 | |
| 271 | if ( ! isset( $_item[1] ) || empty( $_item[1] ) ) { |
| 272 | return ; |
| 273 | } |
| 274 | |
| 275 | // inject options |
| 276 | if ( isset( $placement['options'] ) && is_array( $placement['options'] ) ) { |
| 277 | foreach ( $placement['options'] as $_k => $_v ) { |
| 278 | if ( ! isset( $args[ $_k ] ) ) { |
| 279 | $args[ $_k ] = $_v; |
| 280 | } |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | // inject placement type |
| 285 | if ( isset( $placement['type'] ) ) { |
| 286 | $args[ 'placement_type' ] = $placement['type']; |
| 287 | } |
| 288 | |
| 289 | // options |
| 290 | $prefix = Advanced_Ads_Plugin::get_instance()->get_frontend_prefix(); |
| 291 | |
| 292 | // return either ad or group content |
| 293 | switch ( $_item[0] ) { |
| 294 | case 'ad': |
| 295 | case Advanced_Ads_Select::AD : |
| 296 | // create class from placement id (not if header injection) |
| 297 | if ( ! isset( $placement['type'] ) || $placement['type'] !== 'header' ) { |
| 298 | if ( ! isset( $args['output'] ) ) { |
| 299 | $args['output'] = array(); |
| 300 | } |
| 301 | if ( ! isset( $args['output']['class'] ) ) { |
| 302 | $args['output']['class'] = array(); |
| 303 | } |
| 304 | $class = $prefix . $id; |
| 305 | if ( ! in_array( $class, $args['output']['class'] ) ) { |
| 306 | $args['output']['class'][] = $class; |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | // fix method id |
| 311 | $_item[0] = Advanced_Ads_Select::AD; |
| 312 | break; |
| 313 | |
| 314 | // avoid loops (programmatical error) |
| 315 | case Advanced_Ads_Select::PLACEMENT : |
| 316 | return; |
| 317 | |
| 318 | case Advanced_Ads_Select::GROUP : |
| 319 | $class = $prefix . $id; |
| 320 | if ( ( isset( $placement['type'] ) && $placement['type'] !== 'header' ) |
| 321 | && ( !isset( $args['output']['class'] ) |
| 322 | || !is_array( $args['output']['class'] ) |
| 323 | || !in_array( $class, $args['output']['class'] ) ) ) { |
| 324 | $args['output']['class'][] = $class; |
| 325 | } |
| 326 | default: |
| 327 | } |
| 328 | |
| 329 | // create placement id for various features |
| 330 | $args['output']['placement_id'] = $id; |
| 331 | |
| 332 | // add the placement to the global output array |
| 333 | $advads = Advanced_Ads::get_instance(); |
| 334 | $name = isset( $placement['name'] ) ? $placement['name'] : $id; |
| 335 | |
| 336 | if ( ! isset( $args['global_output'] ) || $args['global_output'] ) { |
| 337 | $advads->current_ads[] = array( 'type' => 'placement', 'id' => $id, 'title' => $name ); |
| 338 | } |
| 339 | |
| 340 | $result = Advanced_Ads_Select::get_instance()->get_ad_by_method( (int) $_item[1], $_item[0], $args ); |
| 341 | |
| 342 | if ( $result && ! empty( $args['placement_clearfix'] ) ) { |
| 343 | $result .= '<br style="clear: both; display: block; float: none; color:blue;"/>'; |
| 344 | } |
| 345 | |
| 346 | return $result; |
| 347 | } |
| 348 | } |
| 349 | |
| 350 | /** |
| 351 | * inject ads directly into the content |
| 352 | * |
| 353 | * @since 1.2.1 |
| 354 | * @param string $placement_id id of the placement |
| 355 | * @param arr $placement_opts placement options |
| 356 | * @param string $content |
| 357 | * @return type |
| 358 | * @link inspired by http://www.wpbeginner.com/wp-tutorials/how-to-insert-ads-within-your-post-content-in-wordpress/ |
| 359 | */ |
| 360 | public static function &inject_in_content($placement_id, $placement_opts, &$content) { |
| 361 | if ( ! extension_loaded( 'dom' ) ) { |
| 362 | return $content; |
| 363 | } |
| 364 | |
| 365 | // get plugin options |
| 366 | $plugin_options = Advanced_Ads::get_instance()->options(); |
| 367 | |
| 368 | // parse document as DOM (fragment - having only a part of an actual post given) |
| 369 | // -TODO may want to verify the wpcharset is supported by server (mb_list_encodings) |
| 370 | // prevent messages from dom parser |
| 371 | $wpCharset = get_bloginfo('charset'); |
| 372 | // check if mbstring exists |
| 373 | if ( ! function_exists( 'mb_convert_encoding' ) ) { |
| 374 | if ( $wpCharset === "UTF-8" ) { |
| 375 | $content_to_load = htmlspecialchars_decode( htmlentities( $content, ENT_COMPAT, $wpCharset, false ) ); |
| 376 | } else { |
| 377 | return $content; |
| 378 | } |
| 379 | } else { |
| 380 | $content_to_load = mb_convert_encoding( $content, 'HTML-ENTITIES', $wpCharset ); |
| 381 | } |
| 382 | |
| 383 | // check which priority the wpautop filter has; might have been disabled on purpose |
| 384 | $wpautop_priority = has_filter( 'the_content', 'wpautop'); |
| 385 | if ( $wpautop_priority && Advanced_Ads_Plugin::get_instance()->get_content_injection_priority() < $wpautop_priority ) { |
| 386 | $content_to_load = wpautop( $content_to_load ); |
| 387 | } |
| 388 | |
| 389 | // temporarily change content during processing |
| 390 | $replacements = array( |
| 391 | 'gcse:search' => 'gcse__search', // Google custom search namespaced tags. |
| 392 | ); |
| 393 | $content_to_load = str_replace( array_keys( $replacements ), array_values( $replacements ), $content_to_load ); |
| 394 | |
| 395 | $dom = new DOMDocument('1.0', $wpCharset); |
| 396 | // may loose some fragments or add autop-like code |
| 397 | libxml_use_internal_errors(true); // avoid notices and warnings - html is most likely malformed |
| 398 | |
| 399 | $success = $dom->loadHtml('<!DOCTYPE html><html><meta http-equiv="Content-Type" content="text/html; charset=' . $wpCharset . '" /><body>' . $content_to_load); |
| 400 | libxml_use_internal_errors(false); |
| 401 | if ($success !== true) { |
| 402 | // -TODO handle cases were dom-parsing failed (at least inform user) |
| 403 | return $content; |
| 404 | } |
| 405 | |
| 406 | // parse arguments |
| 407 | $tag = isset($placement_opts['tag']) ? $placement_opts['tag'] : 'p'; |
| 408 | $tag = preg_replace('/[^a-z0-9]/i', '', $tag); // simplify tag |
| 409 | |
| 410 | // allow more complex xPath expression |
| 411 | $tag = apply_filters( 'advanced-ads-placement-content-injection-xpath', $tag, $placement_opts ); |
| 412 | |
| 413 | if ( $tag === 'pwithoutimg' ) { |
| 414 | $tag = 'p[not(descendant::img)]'; |
| 415 | } |
| 416 | |
| 417 | // select positions |
| 418 | $xpath = new DOMXPath($dom); |
| 419 | $items = $xpath->query('/html/body/' . $tag); |
| 420 | |
| 421 | $options = array( |
| 422 | 'allowEmpty' => false, // whether the tag can be empty to be counted |
| 423 | 'paragraph_select_from_bottom' => isset($placement_opts['start_from_bottom']) && $placement_opts['start_from_bottom'], |
| 424 | // only has before and after |
| 425 | 'before' => isset($placement_opts['position']) && $placement_opts['position'] === 'before' |
| 426 | ); |
| 427 | |
| 428 | $options['paragraph_id'] = isset($placement_opts['index']) ? $placement_opts['index'] : 1; |
| 429 | $options['paragraph_id'] = max( 1, (int) $options['paragraph_id'] ); |
| 430 | |
| 431 | // if there are too few items at this level test nesting |
| 432 | $options['itemLimit'] = $tag === 'p' ? 2 : 1; |
| 433 | |
| 434 | // trigger such a high item limit that all elements will be considered |
| 435 | if( ! empty($plugin_options['content-injection-level-disabled'] ) ){ |
| 436 | $options['itemLimit'] = 1000; |
| 437 | } |
| 438 | |
| 439 | // allow hooks to change some options |
| 440 | $options = apply_filters( |
| 441 | 'advanced-ads-placement-content-injection-options', |
| 442 | $options, |
| 443 | $tag ); |
| 444 | |
| 445 | if ($items->length < $options['itemLimit'] ) { |
| 446 | $items = $xpath->query('/html/body/*/' . $tag); |
| 447 | } |
| 448 | // try third level |
| 449 | if ( $items->length < $options['itemLimit'] ) { |
| 450 | $items = $xpath->query('/html/body/*/*/' . $tag); |
| 451 | } |
| 452 | // try all levels as last resort |
| 453 | if ( $items->length < $options['itemLimit'] ) { |
| 454 | $items = $xpath->query( '//' . $tag ); |
| 455 | } |
| 456 | |
| 457 | // allow to select other elements |
| 458 | $items = apply_filters( 'advanced-ads-placement-content-injection-items', $items, $xpath, $tag ); |
| 459 | |
| 460 | // filter empty tags from items |
| 461 | $whitespaces = json_decode('"\t\n\r \u00A0"'); |
| 462 | $paragraphs = array(); |
| 463 | foreach ($items as $item) { |
| 464 | if ( $options['allowEmpty'] || ( isset($item->textContent) && trim($item->textContent, $whitespaces) !== '' ) ) { |
| 465 | $paragraphs[] = $item; |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | $options['paragraph_count'] = count($paragraphs); |
| 470 | |
| 471 | if ($options['paragraph_count'] >= $options['paragraph_id']) { |
| 472 | $offset = $options['paragraph_select_from_bottom'] ? $options['paragraph_count'] - $options['paragraph_id'] : $options['paragraph_id'] - 1; |
| 473 | $offsets = apply_filters( 'advanced-ads-placement-content-offsets', array( $offset ), $options, $placement_opts ); |
| 474 | $did_inject = false; |
| 475 | |
| 476 | foreach ( $offsets as $offset ) { |
| 477 | // test ad is emtpy |
| 478 | $adContent = Advanced_Ads_Select::get_instance()->get_ad_by_method( $placement_id, 'placement', $options ); |
| 479 | if ( trim( $adContent, $whitespaces ) === '' ) { |
| 480 | continue; |
| 481 | } |
| 482 | |
| 483 | // convert HTML to XML! |
| 484 | $adDom = new DOMDocument('1.0', $wpCharset); |
| 485 | libxml_use_internal_errors(true); |
| 486 | // replace `</` with `<\/` in ad content when placed within `document.write()` to prevent code from breaking |
| 487 | // source for this regex: http://stackoverflow.com/questions/17852537/preg-replace-only-specific-part-of-string |
| 488 | $adContent = preg_replace('#(document.write.+)</(.*)#', '$1<\/$2', $adContent); // escapes all closing html tags |
| 489 | // $adContent = preg_replace('#(document.write.+)</sc(.*)#', '$1<\/sc$2', $adContent); // only escapes closing </script> tags |
| 490 | // $adContent = preg_replace('#(document.write[^<^)]+)</sc(.*)#', '$1<\/sc$2', $adContent); // too restrict, doesn’t work when beginning <script> tag is in the same line |
| 491 | $adDom->loadHtml('<!DOCTYPE html><html><meta http-equiv="Content-Type" content="text/html; charset=' . $wpCharset . '" /><body>' . $adContent); |
| 492 | // log errors |
| 493 | if ( defined ( 'WP_DEBUG' ) && WP_DEBUG && current_user_can( 'advanced_ads_manage_options' ) ) { |
| 494 | foreach( libxml_get_errors() as $_error ) { |
| 495 | // continue, if there is '&' symbol, but not HTML entity |
| 496 | if ( false === stripos( $_error->message, 'htmlParseEntityRef:' ) ) { |
| 497 | Advanced_Ads::log( 'possible content injection error for placement "' . $placement_id . '": ' . print_r( $_error, true ) ); |
| 498 | } |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | // inject |
| 503 | $node = apply_filters( 'advanced-ads-placement-content-injection-node', $paragraphs[$offset], $tag, $options['before'] ); |
| 504 | if ( $options['before'] ) { |
| 505 | $refNode = $node; |
| 506 | |
| 507 | foreach ( $adDom->getElementsByTagName( 'body' )->item( 0 )->childNodes as $importedNode ) { |
| 508 | $importedNode = $dom->importNode( $importedNode, true ); |
| 509 | $refNode->parentNode->insertBefore( $importedNode, $refNode ); |
| 510 | } |
| 511 | } else { |
| 512 | // append before next node or as last child to body |
| 513 | $refNode = $node->nextSibling; |
| 514 | if (isset($refNode)) { |
| 515 | |
| 516 | foreach ( $adDom->getElementsByTagName( 'body' )->item( 0 )->childNodes as $importedNode ) { |
| 517 | $importedNode = $dom->importNode( $importedNode, true ); |
| 518 | $refNode->parentNode->insertBefore( $importedNode, $refNode ); |
| 519 | } |
| 520 | |
| 521 | } else { |
| 522 | // append to body; -TODO using here that we only select direct children of the body tag |
| 523 | foreach ( $adDom->getElementsByTagName( 'body' )->item( 0 )->childNodes as $importedNode ) { |
| 524 | $importedNode = $dom->importNode( $importedNode, true ); |
| 525 | $node->parentNode->appendChild( $importedNode ); |
| 526 | } |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | libxml_use_internal_errors(false); |
| 531 | $did_inject = true; |
| 532 | } |
| 533 | |
| 534 | if ( ! $did_inject ) { |
| 535 | return $content; |
| 536 | } |
| 537 | |
| 538 | // convert to text-representation |
| 539 | $content = $dom->saveHTML(); |
| 540 | // remove head and tail (required for dom parser but unwanted for content) |
| 541 | $content = substr($content, stripos($content, '<body>') + 6); |
| 542 | $content = str_replace(array('</body>', '</html>'), '', $content); |
| 543 | $content = str_replace( array_values( $replacements ), array_keys( $replacements ), $content ); |
| 544 | |
| 545 | // no fall-back desired: if there are too few paragraphs do nothing |
| 546 | |
| 547 | // fix shortcode quotes (malformed by backend editor) |
| 548 | $matches = array(); |
| 549 | if (0 < preg_match_all('/\[[^]]+\]/Siu', $content, $matches, PREG_OFFSET_CAPTURE) && isset($matches[0])) { |
| 550 | foreach ($matches[0] as $match) { |
| 551 | $offset = $match[1]; |
| 552 | $content = substr($content, 0, $offset) . str_replace(array('“', '″', '“', '"e;', '″'), '"', $match[0]) . substr($content, $offset + strlen($match[0])); |
| 553 | } |
| 554 | } |
| 555 | /** |
| 556 | * show a warning to ad admins in the Ad Health bar in the frontend, when |
| 557 | * |
| 558 | * * the level limitation was not disabled |
| 559 | * * could not inject one ad (as by use of `elseif` here) |
| 560 | * * but there are enough elements on the site, but just in sub-containers |
| 561 | * |
| 562 | */ |
| 563 | } elseif( current_user_can( Advanced_Ads_Plugin::user_cap( 'advanced_ads_manage_options') ) |
| 564 | && empty($plugin_options['content-injection-level-disabled'] ) ) { |
| 565 | |
| 566 | // check if there are more elements without limitation |
| 567 | $all_items = $xpath->query( '//' . $tag ); |
| 568 | if( $options['paragraph_id'] <= $all_items->length ){ |
| 569 | // add a warning to ad health |
| 570 | add_filter( 'advanced-ads-ad-health-nodes', array( 'Advanced_Ads_Placements', 'add_ad_health_node' ) ); |
| 571 | } |
| 572 | } |
| 573 | |
| 574 | return $content; |
| 575 | } |
| 576 | |
| 577 | /** |
| 578 | * Add a warning to 'Ad health'. |
| 579 | * |
| 580 | * @param array $nodes. |
| 581 | * @return array $nodes. |
| 582 | */ |
| 583 | public static function add_ad_health_node( $nodes ) { |
| 584 | $nodes[] = array( 'type' => 1, 'data' => array( |
| 585 | 'parent' => 'advanced_ads_ad_health', |
| 586 | 'id' => 'advanced_ads_ad_health_the_content_not_enough_elements', |
| 587 | 'title' => sprintf( |
| 588 | /* translators: %s stands for the name of the "Disable level limitation" option and automatically translated as well */ |
| 589 | __( 'Set <em>%s</em> to show more ads', 'advanced-ads' ), |
| 590 | __('Disable level limitation', 'advanced-ads' ) ), |
| 591 | 'href' => admin_url( '/admin.php?page=advanced-ads-settings#top#general' ), |
| 592 | 'meta' => array( |
| 593 | 'class' => 'advanced_ads_ad_health_warning', |
| 594 | 'target' => '_blank' |
| 595 | ) |
| 596 | ) ); |
| 597 | return $nodes; |
| 598 | } |
| 599 | |
| 600 | /** |
| 601 | * check if the placement can be displayed |
| 602 | * |
| 603 | * @since 1.6.9 |
| 604 | * @param int $id placement id |
| 605 | * @return bool true if placement can be displayed |
| 606 | */ |
| 607 | static function can_display( $id = 0 ){ |
| 608 | if ( ! isset($id) || $id === 0 ) { |
| 609 | return true; |
| 610 | } |
| 611 | |
| 612 | return apply_filters( 'advanced-ads-can-display-placement', true, $id ); |
| 613 | } |
| 614 | |
| 615 | /** |
| 616 | * Get the placements that includes the ad or group. |
| 617 | * |
| 618 | * @param string $type 'ad' or 'group'. |
| 619 | * @param int $id Id. |
| 620 | * @return array |
| 621 | */ |
| 622 | public static function get_placements_by( $type, $id ) { |
| 623 | $result = array(); |
| 624 | |
| 625 | $placements = Advanced_Ads::get_ad_placements_array(); |
| 626 | foreach ( $placements as $_id => $_placement ) { |
| 627 | if ( isset( $_placement['item'] ) && $_placement['item'] === $type . '_' . $id ) { |
| 628 | $result[ $_id ] = $_placement; |
| 629 | } |
| 630 | } |
| 631 | |
| 632 | return $result; |
| 633 | } |
| 634 | } |
| 635 |