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| 1 | <?php |
| 2 | /** |
| 3 | * Nosara Tracks for Jetpack |
| 4 | * |
| 5 | * @package automattic/jetpack-connection |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack; |
| 9 | |
| 10 | /** |
| 11 | * The Tracking class, used to record events in wpcom |
| 12 | */ |
| 13 | class Tracking { |
| 14 | /** |
| 15 | * The assets version. |
| 16 | * |
| 17 | * @since 1.13.1 |
| 18 | * @deprecated since 1.40.1 |
| 19 | * |
| 20 | * @var string Assets version. |
| 21 | */ |
| 22 | const ASSETS_VERSION = '1.0.0'; |
| 23 | |
| 24 | /** |
| 25 | * Slug of the product that we are tracking. |
| 26 | * |
| 27 | * @var string |
| 28 | */ |
| 29 | private $product_name; |
| 30 | |
| 31 | /** |
| 32 | * Connection manager object. |
| 33 | * |
| 34 | * @var Object |
| 35 | */ |
| 36 | private $connection; |
| 37 | |
| 38 | /** |
| 39 | * Creates the Tracking object. |
| 40 | * |
| 41 | * @param string $product_name the slug of the product that we are tracking. |
| 42 | * @param \Automattic\Jetpack\Connection\Manager $connection the connection manager object. |
| 43 | */ |
| 44 | public function __construct( $product_name = 'jetpack', $connection = null ) { |
| 45 | $this->product_name = $product_name; |
| 46 | $this->connection = $connection; |
| 47 | if ( $this->connection === null ) { |
| 48 | // TODO We should always pass a Connection. |
| 49 | $this->connection = new Connection\Manager(); |
| 50 | } |
| 51 | |
| 52 | if ( ! did_action( 'jetpack_set_tracks_ajax_hook' ) ) { |
| 53 | add_action( 'wp_ajax_jetpack_tracks', array( $this, 'ajax_tracks' ) ); |
| 54 | |
| 55 | /** |
| 56 | * Fires when the Tracking::ajax_tracks() callback has been hooked to the |
| 57 | * wp_ajax_jetpack_tracks action. This action is used to ensure that |
| 58 | * the callback is hooked only once. |
| 59 | * |
| 60 | * @since 1.13.11 |
| 61 | */ |
| 62 | do_action( 'jetpack_set_tracks_ajax_hook' ); |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Universal method for for all tracking events triggered via the JavaScript client. |
| 68 | * |
| 69 | * @access public |
| 70 | */ |
| 71 | public function ajax_tracks() { |
| 72 | // Check for nonce. |
| 73 | if ( |
| 74 | empty( $_REQUEST['tracksNonce'] ) |
| 75 | || ! wp_verify_nonce( $_REQUEST['tracksNonce'], 'jp-tracks-ajax-nonce' ) // phpcs:ignore WordPress.Security.ValidatedSanitizedInput -- WP core doesn't pre-sanitize nonces either. |
| 76 | ) { |
| 77 | wp_send_json_error( |
| 78 | __( 'You aren’t authorized to do that.', 'jetpack-connection' ), |
| 79 | 403, |
| 80 | JSON_UNESCAPED_SLASHES |
| 81 | ); |
| 82 | } |
| 83 | |
| 84 | if ( ! isset( $_REQUEST['tracksEventName'] ) || ! isset( $_REQUEST['tracksEventType'] ) ) { |
| 85 | wp_send_json_error( |
| 86 | __( 'No valid event name or type.', 'jetpack-connection' ), |
| 87 | 403, |
| 88 | JSON_UNESCAPED_SLASHES |
| 89 | ); |
| 90 | } |
| 91 | |
| 92 | $tracks_data = array(); |
| 93 | if ( 'click' === $_REQUEST['tracksEventType'] && isset( $_REQUEST['tracksEventProp'] ) ) { |
| 94 | if ( is_array( $_REQUEST['tracksEventProp'] ) ) { |
| 95 | $tracks_data = array_map( 'filter_var', wp_unslash( $_REQUEST['tracksEventProp'] ) ); |
| 96 | } else { |
| 97 | $tracks_data = array( 'clicked' => filter_var( wp_unslash( $_REQUEST['tracksEventProp'] ) ) ); |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | $this->record_user_event( filter_var( wp_unslash( $_REQUEST['tracksEventName'] ) ), $tracks_data, null, false ); |
| 102 | |
| 103 | wp_send_json_success( null, null, JSON_UNESCAPED_SLASHES ); |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Register script necessary for tracking. |
| 108 | * |
| 109 | * @param boolean $enqueue Also enqueue? defaults to false. |
| 110 | */ |
| 111 | public static function register_tracks_functions_scripts( $enqueue = false ) { |
| 112 | |
| 113 | // Register jp-tracks as it is a dependency. |
| 114 | wp_register_script( |
| 115 | 'jp-tracks', |
| 116 | '//stats.wp.com/w.js', |
| 117 | array(), |
| 118 | gmdate( 'YW' ), |
| 119 | true |
| 120 | ); |
| 121 | |
| 122 | Assets::register_script( |
| 123 | 'jp-tracks-functions', |
| 124 | '../dist/tracks-callables.js', |
| 125 | __FILE__, |
| 126 | array( |
| 127 | 'dependencies' => array( 'jp-tracks' ), |
| 128 | 'enqueue' => $enqueue, |
| 129 | 'in_footer' => true, |
| 130 | ) |
| 131 | ); |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Enqueue script necessary for tracking. |
| 136 | */ |
| 137 | public function enqueue_tracks_scripts() { |
| 138 | Assets::register_script( |
| 139 | 'jptracks', |
| 140 | '../dist/tracks-ajax.js', |
| 141 | __FILE__, |
| 142 | array( |
| 143 | 'dependencies' => array( 'jquery' ), |
| 144 | 'enqueue' => true, |
| 145 | 'in_footer' => true, |
| 146 | ) |
| 147 | ); |
| 148 | |
| 149 | wp_localize_script( |
| 150 | 'jptracks', |
| 151 | 'jpTracksAJAX', |
| 152 | array( |
| 153 | 'ajaxurl' => admin_url( 'admin-ajax.php' ), |
| 154 | 'jpTracksAJAX_nonce' => wp_create_nonce( 'jp-tracks-ajax-nonce' ), |
| 155 | ) |
| 156 | ); |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * Send an event in Tracks. |
| 161 | * |
| 162 | * @param string $event_type Type of the event. |
| 163 | * @param array $data Data to send with the event. |
| 164 | * @param mixed $user Username, user_id, or WP_User object. |
| 165 | * @param bool $use_product_prefix Whether to use the object's product name as a prefix to the event type. If |
| 166 | * set to false, the prefix will be 'jetpack_'. |
| 167 | */ |
| 168 | public function record_user_event( $event_type, $data = array(), $user = null, $use_product_prefix = true ) { |
| 169 | if ( ! $user ) { |
| 170 | $user = wp_get_current_user(); |
| 171 | } |
| 172 | $site_url = get_option( 'siteurl' ); |
| 173 | |
| 174 | $data['_via_ua'] = isset( $_SERVER['HTTP_USER_AGENT'] ) ? filter_var( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ) : ''; |
| 175 | $data['_via_ip'] = isset( $_SERVER['REMOTE_ADDR'] ) ? filter_var( wp_unslash( $_SERVER['REMOTE_ADDR'] ) ) : ''; |
| 176 | $data['_lg'] = isset( $_SERVER['HTTP_ACCEPT_LANGUAGE'] ) ? filter_var( wp_unslash( $_SERVER['HTTP_ACCEPT_LANGUAGE'] ) ) : ''; |
| 177 | $data['blog_url'] = $site_url; |
| 178 | $data['blog_id'] = \Jetpack_Options::get_option( 'id' ); |
| 179 | |
| 180 | // Top level events should not be namespaced. |
| 181 | if ( '_aliasUser' !== $event_type ) { |
| 182 | $prefix = $use_product_prefix ? $this->product_name : 'jetpack'; |
| 183 | $event_type = $prefix . '_' . $event_type; |
| 184 | } |
| 185 | |
| 186 | $data['jetpack_version'] = defined( 'JETPACK__VERSION' ) ? JETPACK__VERSION : '0'; |
| 187 | |
| 188 | return $this->tracks_record_event( $user, $event_type, $data ); |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * Record an event in Tracks - this is the preferred way to record events from PHP. |
| 193 | * |
| 194 | * @param mixed $user username, user_id, or WP_User object. |
| 195 | * @param string $event_name The name of the event. |
| 196 | * @param array $properties Custom properties to send with the event. |
| 197 | * @param int $event_timestamp_millis The time in millis since 1970-01-01 00:00:00 when the event occurred. |
| 198 | * |
| 199 | * @return bool true for success | \WP_Error if the event pixel could not be fired |
| 200 | */ |
| 201 | public function tracks_record_event( $user, $event_name, $properties = array(), $event_timestamp_millis = false ) { |
| 202 | |
| 203 | // We don't want to track user events during unit tests/CI runs. |
| 204 | if ( $user instanceof \WP_User && 'wptests_capabilities' === $user->cap_key ) { |
| 205 | return false; |
| 206 | } |
| 207 | $terms_of_service = new Terms_Of_Service(); |
| 208 | $status = new Status(); |
| 209 | // Don't track users who have not agreed to our TOS. |
| 210 | if ( ! $this->should_enable_tracking( $terms_of_service, $status ) ) { |
| 211 | return false; |
| 212 | } |
| 213 | |
| 214 | $event_obj = $this->tracks_build_event_obj( $user, $event_name, $properties, $event_timestamp_millis ); |
| 215 | |
| 216 | if ( is_wp_error( $event_obj->error ) ) { |
| 217 | return $event_obj->error; |
| 218 | } |
| 219 | |
| 220 | return $event_obj->record(); |
| 221 | } |
| 222 | |
| 223 | /** |
| 224 | * Determines whether tracking should be enabled. |
| 225 | * |
| 226 | * @param \Automattic\Jetpack\Terms_Of_Service $terms_of_service A Terms_Of_Service object. |
| 227 | * @param \Automattic\Jetpack\Status $status A Status object. |
| 228 | * |
| 229 | * @return boolean True if tracking should be enabled, else false. |
| 230 | */ |
| 231 | public function should_enable_tracking( $terms_of_service, $status ) { |
| 232 | if ( $status->is_offline_mode() ) { |
| 233 | return false; |
| 234 | } |
| 235 | |
| 236 | return $terms_of_service->has_agreed() || $this->connection->is_user_connected(); |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * Procedurally build a Tracks Event Object. |
| 241 | * NOTE: Use this only when the simpler Automattic\Jetpack\Tracking->jetpack_tracks_record_event() function won't work for you. |
| 242 | * |
| 243 | * @param \WP_User $user WP_User object. |
| 244 | * @param string $event_name The name of the event. |
| 245 | * @param array $properties Custom properties to send with the event. |
| 246 | * @param int $event_timestamp_millis The time in millis since 1970-01-01 00:00:00 when the event occurred. |
| 247 | * |
| 248 | * @return \Jetpack_Tracks_Event|\WP_Error |
| 249 | */ |
| 250 | private function tracks_build_event_obj( $user, $event_name, $properties = array(), $event_timestamp_millis = false ) { |
| 251 | $identity = $this->tracks_get_identity( $user->ID ); |
| 252 | |
| 253 | $properties['user_lang'] = $user->get( 'WPLANG' ); |
| 254 | |
| 255 | $blog_details = array( |
| 256 | 'blog_lang' => $properties['blog_lang'] ?? get_bloginfo( 'language' ), |
| 257 | 'blog_id' => \Jetpack_Options::get_option( 'id' ), |
| 258 | ); |
| 259 | |
| 260 | $timestamp = ( false !== $event_timestamp_millis ) ? $event_timestamp_millis : round( microtime( true ) * 1000 ); |
| 261 | $timestamp_string = is_string( $timestamp ) ? $timestamp : number_format( $timestamp, 0, '', '' ); |
| 262 | |
| 263 | return new \Jetpack_Tracks_Event( |
| 264 | array_merge( |
| 265 | $blog_details, |
| 266 | (array) $properties, |
| 267 | $identity, |
| 268 | array( |
| 269 | '_en' => $event_name, |
| 270 | '_ts' => $timestamp_string, |
| 271 | ) |
| 272 | ) |
| 273 | ); |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * Get the identity to send to tracks. |
| 278 | * |
| 279 | * @param int $user_id The user id of the local user. |
| 280 | * |
| 281 | * @return array $identity |
| 282 | */ |
| 283 | public function tracks_get_identity( $user_id ) { |
| 284 | |
| 285 | // Meta is set, and user is still connected. Use WPCOM ID. |
| 286 | $wpcom_id = get_user_meta( $user_id, 'jetpack_tracks_wpcom_id', true ); |
| 287 | if ( $wpcom_id && is_string( $wpcom_id ) && $this->connection->is_user_connected( $user_id ) ) { |
| 288 | return array( |
| 289 | '_ut' => 'wpcom:user_id', |
| 290 | '_ui' => $wpcom_id, |
| 291 | ); |
| 292 | } |
| 293 | |
| 294 | // User is connected, but no meta is set yet. Use WPCOM ID and set meta. |
| 295 | if ( $this->connection->is_user_connected( $user_id ) ) { |
| 296 | $wpcom_user_data = $this->connection->get_connected_user_data( $user_id ); |
| 297 | $wpcom_id = $wpcom_user_data['ID'] ?? null; |
| 298 | |
| 299 | if ( is_string( $wpcom_id ) ) { |
| 300 | update_user_meta( $user_id, 'jetpack_tracks_wpcom_id', $wpcom_id ); |
| 301 | |
| 302 | return array( |
| 303 | '_ut' => 'wpcom:user_id', |
| 304 | '_ui' => $wpcom_id, |
| 305 | ); |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | // User isn't linked at all. Fall back to anonymous ID. |
| 310 | $anon_id = get_user_meta( $user_id, 'jetpack_tracks_anon_id', true ); |
| 311 | if ( ! $anon_id ) { |
| 312 | $anon_id = \Jetpack_Tracks_Client::get_anon_id(); |
| 313 | add_user_meta( $user_id, 'jetpack_tracks_anon_id', $anon_id, false ); |
| 314 | } |
| 315 | |
| 316 | if ( ! isset( $_COOKIE['tk_ai'] ) && ! headers_sent() ) { |
| 317 | setcookie( 'tk_ai', $anon_id, 0, COOKIEPATH, COOKIE_DOMAIN, is_ssl(), false ); // phpcs:ignore Jetpack.Functions.SetCookie -- This is a random string and should be fine. |
| 318 | } |
| 319 | |
| 320 | return array( |
| 321 | '_ut' => 'anon', |
| 322 | '_ui' => $anon_id, |
| 323 | ); |
| 324 | } |
| 325 | } |