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| 1 | <?php // phpcs:ignore Squiz.Commenting.FileComment.Missing |
| 2 | /** |
| 3 | * Top Clicks Widget (retired) from WordPress.com |
| 4 | * Copied from: fbhepr%2Skers%2Sgehax%2Sjc%2Qpbagrag%2Szh%2Qcyhtvaf%2Sfgngf.cuc%234198-og |
| 5 | */ |
| 6 | class Widget_Top_Clicks extends WP_Widget { |
| 7 | /** |
| 8 | * Alt option name. |
| 9 | * |
| 10 | * @var string $alt_option_name |
| 11 | */ |
| 12 | public $alt_option_name = 'widget_stats_topclicks'; |
| 13 | |
| 14 | /** |
| 15 | * Widget default settings. |
| 16 | * |
| 17 | * @var array{title:string,count:int,len:int} $defaults |
| 18 | */ |
| 19 | public $defaults = array( |
| 20 | 'title' => '', |
| 21 | 'count' => 10, |
| 22 | 'len' => 25, |
| 23 | ); |
| 24 | |
| 25 | /** |
| 26 | * Constructor. |
| 27 | */ |
| 28 | public function __construct() { |
| 29 | parent::__construct( |
| 30 | 'top-clicks', |
| 31 | __( 'Top Clicks', 'wpcomsh' ), |
| 32 | array( 'description' => __( 'List the most-clicked links on your blog.', 'wpcomsh' ) ) |
| 33 | ); |
| 34 | } |
| 35 | |
| 36 | /** |
| 37 | * Display the widget. |
| 38 | * |
| 39 | * @param array $args Widget arguments. |
| 40 | * @param array $instance Widget instance. |
| 41 | */ |
| 42 | public function widget( $args, $instance ) { |
| 43 | $instance = wp_parse_args( $instance, $this->defaults ); |
| 44 | |
| 45 | if ( empty( $instance['title'] ) ) { |
| 46 | $instance['title'] = __( 'Top Clicks', 'wpcomsh' ); |
| 47 | } |
| 48 | |
| 49 | $instance['count'] = isset( $instance['count'] ) ? intval( $instance['count'] ) : null; |
| 50 | if ( empty( $instance['count'] ) || $instance['count'] < 1 || 10 < $instance['count'] ) { |
| 51 | $instance['count'] = 10; |
| 52 | } |
| 53 | |
| 54 | echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 55 | echo $args['before_title'] . esc_html( $instance['title'] ) . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 56 | $this->display_top_clicks( $instance['count'], $instance['len'] ); |
| 57 | echo $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 58 | |
| 59 | do_action( 'jetpack_stats_extra', 'widget_view', 'top_clicks' ); |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Display the widget settings form. |
| 64 | * |
| 65 | * @param array $instance Current settings. |
| 66 | * @return never |
| 67 | */ |
| 68 | public function form( $instance ) { |
| 69 | $instance = wp_parse_args( $instance, $this->defaults ); |
| 70 | ?> |
| 71 | <p> |
| 72 | <label> |
| 73 | <?php esc_html_e( 'Title:', 'wpcomsh' ); ?> |
| 74 | <input class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>" /> |
| 75 | </label> |
| 76 | </p> |
| 77 | <p> |
| 78 | <label> |
| 79 | <?php esc_html_e( 'Display length:', 'wpcomsh' ); ?> |
| 80 | <input style="width: 60px;" name="<?php echo esc_attr( $this->get_field_name( 'len' ) ); ?>" type="text" value="<?php echo esc_attr( $instance['len'] ); ?>" /> |
| 81 | </label> |
| 82 | </p> |
| 83 | <p> |
| 84 | <label> |
| 85 | <?php esc_html_e( 'URLs to show:', 'wpcomsh' ); ?> |
| 86 | <select name="<?php echo esc_attr( $this->get_field_name( 'count' ) ); ?>"> |
| 87 | <?php for ( $i = 1; $i <= 12; ++$i ) { ?> |
| 88 | <option value="<?php echo $i; ?>" <?php selected( $i, $instance['count'] ); ?>><?php echo $i; /* phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- $i is an integer iterator. */ ?></option> |
| 89 | <?php } ?> |
| 90 | </select> |
| 91 | </label> |
| 92 | </p> |
| 93 | <p><?php esc_html_e( 'Top Clicks are calculated from 48-72 hours of stats. They take a while to change.', 'wpcomsh' ); ?></p> |
| 94 | <?php |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Update the widget settings. |
| 99 | * |
| 100 | * @param array $new_instance New settings. |
| 101 | * @param array $old_instance Old settings. |
| 102 | */ |
| 103 | public function update( $new_instance, $old_instance ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 104 | $new_instance = wp_parse_args( |
| 105 | $new_instance, |
| 106 | array( |
| 107 | 'title' => __( 'Top Clicks', 'wpcomsh' ), |
| 108 | 'count' => 10, |
| 109 | 'len' => 25, |
| 110 | ) |
| 111 | ); |
| 112 | $new_instance['title'] = wp_strip_all_tags( $new_instance['title'] ); |
| 113 | $new_instance['count'] = intval( $new_instance['count'] ); |
| 114 | $new_instance['len'] = intval( $new_instance['len'] ); |
| 115 | |
| 116 | if ( $new_instance['len'] < 1 ) { |
| 117 | $new_instance['len'] = 20; |
| 118 | } |
| 119 | |
| 120 | wp_cache_delete( 'display_top_clicks', 'output' ); |
| 121 | |
| 122 | return $new_instance; |
| 123 | } |
| 124 | |
| 125 | /** |
| 126 | * Display top clicks widget content. |
| 127 | * |
| 128 | * @param int $number Number of links to show. |
| 129 | * @param int|false $len Trim link text to X chars, or false to not trim. |
| 130 | */ |
| 131 | protected function display_top_clicks( $number, $len = 25 ) { |
| 132 | $html = wp_cache_get( 'display_top_clicks', 'output' ); |
| 133 | if ( empty( $html ) ) { |
| 134 | $urls = wp_cache_get( 'display_top_clicks_urls', 'stats' ); |
| 135 | if ( false === $urls ) { |
| 136 | $stats = stats_get_from_restapi( array( 'num' => 3 ), 'clicks' ); |
| 137 | if ( is_wp_error( $stats ) || empty( $stats ) ) { |
| 138 | $urls = array(); |
| 139 | } else { |
| 140 | $urls = $this->get_urls_from_stats( $stats ); |
| 141 | } |
| 142 | wp_cache_add( 'display_top_clicks_urls', $urls, 'stats' ); |
| 143 | } |
| 144 | |
| 145 | $html = '<ul>'; |
| 146 | if ( ! empty( $urls ) ) { |
| 147 | arsort( $urls ); |
| 148 | foreach ( $urls as $url => $views ) { |
| 149 | if ( ! $number-- ) { |
| 150 | break; |
| 151 | } |
| 152 | if ( strstr( $url, 'pagead2.google' ) ) { |
| 153 | continue; |
| 154 | } |
| 155 | // TEMP: mask out url shorteners to hide Top Clicks spam till we have a better solution |
| 156 | if ( preg_match( '#(?:tinyurl[.]com)/.#', $url ) ) { |
| 157 | continue; |
| 158 | } |
| 159 | $url = preg_replace( '/http:\/\/wordpress\.redirectingat\.com\/\?id=725X1342&site=[a-zA-Z0-9]+\.WordPress\.com&url=http%3A/', 'http:', $url ); |
| 160 | $html .= '<li>' . $this->shrink_link( $url, $len ) . '</li>'; |
| 161 | } |
| 162 | } else { |
| 163 | $html .= '<li>' . __( 'None', 'wpcomsh' ) . '</li>'; |
| 164 | } |
| 165 | $html .= '</ul>'; |
| 166 | $html = preg_replace( '|<a (.+?)>|', "<a $1 rel='nofollow'>", $html ); |
| 167 | wp_cache_add( 'display_top_clicks', $html, 'output', 3600 ); |
| 168 | } |
| 169 | echo $html; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- as it's HTML that is already escaped in shrink_link(). |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Get click count by URL. |
| 174 | * |
| 175 | * @param object $stats Stats. |
| 176 | * |
| 177 | * @return array |
| 178 | */ |
| 179 | protected function get_urls_from_stats( $stats ) { |
| 180 | if ( is_wp_error( $stats ) || ! is_object( $stats ) || empty( $stats->days ) ) { |
| 181 | return array(); |
| 182 | } |
| 183 | $urls = array(); |
| 184 | $days = (array) $stats->days; |
| 185 | foreach ( $days as $day ) { |
| 186 | foreach ( $day->clicks as $click ) { |
| 187 | if ( empty( $click->url ) || empty( $click->views ) ) { |
| 188 | continue; |
| 189 | } |
| 190 | $urls[ $click->url ] = $click->views; |
| 191 | } |
| 192 | } |
| 193 | return $urls; |
| 194 | } |
| 195 | |
| 196 | /** |
| 197 | * Trim link text. |
| 198 | * |
| 199 | * @param string $url Raw URL. |
| 200 | * @param int|false $len Trim link text to X chars, or false to not trim. |
| 201 | * |
| 202 | * @return string |
| 203 | */ |
| 204 | protected function shrink_link( $url, $len = false ) { |
| 205 | $text = preg_replace( '!^(mailto:|https?://(www\.)?)!', '', $url ); |
| 206 | $text = trim( $text, '/' ); |
| 207 | $text = rawurldecode( $text ); |
| 208 | if ( $len > 0 && strlen( $text ) > $len ) { |
| 209 | $text = wp_html_excerpt( $text, $len ) . '…'; |
| 210 | } |
| 211 | $text = esc_html( $text ); |
| 212 | |
| 213 | $url = esc_attr( $url ); |
| 214 | |
| 215 | return "<a href='$url' target='_blank'>$text</a>"; |
| 216 | } |
| 217 | |
| 218 | /** |
| 219 | * Determine if URL is presentable. |
| 220 | * |
| 221 | * @param string $url URL. |
| 222 | * |
| 223 | * @return bool |
| 224 | */ |
| 225 | protected function is_presentable_url( $url ) { |
| 226 | if ( empty( $url ) ) { |
| 227 | return false; |
| 228 | } |
| 229 | |
| 230 | // ALL NON-URL REFERRERS ARE ALLOWED UNLESS ADDED HERE |
| 231 | if ( in_array( |
| 232 | $url, |
| 233 | array( |
| 234 | 'internal', |
| 235 | 'DOCUMENT_REFERRER', |
| 236 | ), |
| 237 | true |
| 238 | ) ) { |
| 239 | return false; |
| 240 | } |
| 241 | $parts = @ wp_parse_url( $url ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged |
| 242 | if ( empty( $parts['host'] ) ) { |
| 243 | return true; |
| 244 | } |
| 245 | |
| 246 | // ALL NON-HTTP REFERRERS FAIL |
| 247 | if ( $parts['scheme'] !== 'http' && $parts['scheme'] !== 'https' ) { |
| 248 | return false; |
| 249 | } |
| 250 | |
| 251 | // ALL HOSTS ARE ALLOWED UNLESS ADDED HERE |
| 252 | if ( in_array( |
| 253 | $parts['host'], |
| 254 | array( |
| 255 | 'redirect.ad-feeds.com', |
| 256 | 'shots.snap.com', |
| 257 | ), |
| 258 | true |
| 259 | ) ) { |
| 260 | return false; |
| 261 | } |
| 262 | |
| 263 | // Filter out wp-admin links |
| 264 | if ( str_starts_with( $parts['path'], '/wp-admin/' ) ) { |
| 265 | return false; |
| 266 | } |
| 267 | |
| 268 | // Filter out clicks on abuse link |
| 269 | if ( false !== strpos( $url, 'wordpress.com/abuse' ) ) { |
| 270 | return false; |
| 271 | } |
| 272 | |
| 273 | if ( wp_check_invalid_utf8( $url ) === '' ) { |
| 274 | return false; |
| 275 | } |
| 276 | |
| 277 | return true; |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | /** |
| 282 | * Register the widget. |
| 283 | */ |
| 284 | function wpcomsh_register_top_clicks_widget() { // phpcs:ignore Universal.Files.SeparateFunctionsFromOO.Mixed |
| 285 | // Only register the widget if the Jetpack Stats module is active and we already have an existing instance (since the widget is retired). |
| 286 | if ( function_exists( 'stats_get_from_restapi' ) && is_active_widget( false, false, 'top-clicks' ) ) { |
| 287 | register_widget( 'Widget_Top_Clicks' ); |
| 288 | } |
| 289 | } |
| 290 | add_action( 'widgets_init', 'wpcomsh_register_top_clicks_widget' ); |