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| 1 | <?php |
| 2 | /** |
| 3 | * Email log table. |
| 4 | * |
| 5 | * @package automattic/jetpack-send |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Send; |
| 9 | |
| 10 | if ( ! defined( 'ABSPATH' ) ) { |
| 11 | exit( 0 ); |
| 12 | } |
| 13 | |
| 14 | // phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- A custom log table; nothing to cache. |
| 15 | |
| 16 | /** |
| 17 | * Stores one row per email Send handled, with its content for previewing unless filtered out. |
| 18 | * |
| 19 | * Nothing a GET request reaches deletes rows: only the hourly job, a lowered retention and the Log's |
| 20 | * own delete routes do. |
| 21 | */ |
| 22 | class Email_Log { |
| 23 | |
| 24 | const DB_VERSION = '4'; |
| 25 | const DB_VERSION_OPTION = 'jetpack_send_db_version'; |
| 26 | const PRUNE_HOOK = 'jetpack_send_prune_log'; |
| 27 | const STATUS_SENT = 'sent'; |
| 28 | const STATUS_FALLBACK = 'fallback'; |
| 29 | const STATUS_FAILED = 'failed'; |
| 30 | |
| 31 | /** |
| 32 | * Transient prefix for the cached stats of one preset range; the range in days is appended. |
| 33 | * |
| 34 | * @var string |
| 35 | */ |
| 36 | const STATS_TRANSIENT = 'jetpack_send_stats_'; |
| 37 | |
| 38 | /** |
| 39 | * The ranges GET /stats accepted before presets, in days. Their caches are cleared too. |
| 40 | * |
| 41 | * @var int[] |
| 42 | */ |
| 43 | const STATS_RANGES = array( 7, 30 ); |
| 44 | |
| 45 | /** |
| 46 | * Bumped whenever cached stats can be stale without a new row: deletes, the prune, a moved count. |
| 47 | * |
| 48 | * @var string |
| 49 | */ |
| 50 | const STATS_GEN_OPTION = 'jetpack_send_stats_gen'; |
| 51 | |
| 52 | /** |
| 53 | * Cursor (the last row id done) while older rows get their search columns filled; deleted when done. |
| 54 | * |
| 55 | * @var string |
| 56 | */ |
| 57 | const FIELDS_BACKFILL_OPTION = 'jetpack_send_fields_backfill'; |
| 58 | |
| 59 | /** |
| 60 | * Larger bodies are logged without content, keeping the table small. |
| 61 | * |
| 62 | * @var int |
| 63 | */ |
| 64 | const MAX_BODY_BYTES = 524288; |
| 65 | |
| 66 | /** |
| 67 | * The searchable plain-text copy of a body is cut to this many bytes. |
| 68 | * |
| 69 | * @var int |
| 70 | */ |
| 71 | const BODY_TEXT_BYTES = 16384; |
| 72 | |
| 73 | /** |
| 74 | * Largest `detail` kept, JSON-encoded. |
| 75 | * |
| 76 | * @var int |
| 77 | */ |
| 78 | const DETAIL_BYTES = 8192; |
| 79 | |
| 80 | /** |
| 81 | * Search looks inside email text only while the other filters match this many rows or fewer. |
| 82 | * |
| 83 | * @var int |
| 84 | */ |
| 85 | const TEXT_SEARCH_MAX_ROWS = 20000; |
| 86 | |
| 87 | /** |
| 88 | * A search's total stops counting here. |
| 89 | * |
| 90 | * @var int |
| 91 | */ |
| 92 | const SEARCH_TOTAL_CAP = 1000; |
| 93 | |
| 94 | /** |
| 95 | * Shorter searches match too much to be useful, so they search nothing. |
| 96 | * |
| 97 | * @var int |
| 98 | */ |
| 99 | const SEARCH_MIN_CHARS = 2; |
| 100 | |
| 101 | /** |
| 102 | * Longest search. |
| 103 | * |
| 104 | * @var int |
| 105 | */ |
| 106 | const SEARCH_MAX_CHARS = 100; |
| 107 | |
| 108 | /** |
| 109 | * Rows deleted per query by the prune. |
| 110 | * |
| 111 | * @var int |
| 112 | */ |
| 113 | const PRUNE_BATCH = 1000; |
| 114 | |
| 115 | /** |
| 116 | * Older rows given their search columns per run. |
| 117 | * |
| 118 | * @var int |
| 119 | */ |
| 120 | const FIELDS_BATCH = 200; |
| 121 | |
| 122 | /** |
| 123 | * Most message bytes one backfill run reads, so a run of large bodies can't exhaust memory on an |
| 124 | * admin page. At least one row always moves on. |
| 125 | * |
| 126 | * @var int |
| 127 | */ |
| 128 | const FIELDS_BATCH_BYTES = 8388608; |
| 129 | |
| 130 | /** |
| 131 | * Set when the host refused the table changes, so the upgrade is tried again an hour later, not on |
| 132 | * every request. |
| 133 | * |
| 134 | * @var string |
| 135 | */ |
| 136 | const UPGRADE_RETRY_TRANSIENT = 'jetpack_send_upgrade_retry'; |
| 137 | |
| 138 | /** |
| 139 | * Wire the hooks. |
| 140 | * |
| 141 | * @return void |
| 142 | */ |
| 143 | public static function init() { |
| 144 | // Every request, not just admin ones, so front-end emails are never dropped after an upgrade. |
| 145 | // The version option is autoloaded, so the check costs no query. |
| 146 | add_action( 'init', array( __CLASS__, 'maybe_install' ) ); |
| 147 | add_action( self::PRUNE_HOOK, array( __CLASS__, 'run_hourly' ) ); |
| 148 | add_action( 'admin_init', array( __CLASS__, 'ensure_scheduled' ), 10, 0 ); |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Put the hourly job back if it went missing (a cron clean-up, a site move), since it's the only |
| 153 | * thing that keeps the log within its retention after the day it was set. |
| 154 | * |
| 155 | * @since $$next-version$$ |
| 156 | * |
| 157 | * @return void |
| 158 | */ |
| 159 | public static function ensure_scheduled() { |
| 160 | if ( self::has_v4_schema() && ! wp_next_scheduled( self::PRUNE_HOOK ) ) { |
| 161 | wp_schedule_event( time() + HOUR_IN_SECONDS, 'hourly', self::PRUNE_HOOK ); |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Table name. |
| 167 | * |
| 168 | * @return string |
| 169 | */ |
| 170 | public static function table_name() { |
| 171 | global $wpdb; |
| 172 | return $wpdb->prefix . 'jetpack_send_log'; |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Whether the table exists with the columns every log read and write needs (schema 3 or later). |
| 177 | * Stays true while another request upgrades it. |
| 178 | * |
| 179 | * @return bool |
| 180 | */ |
| 181 | public static function is_installed() { |
| 182 | return version_compare( (string) get_option( self::DB_VERSION_OPTION, '' ), '3', '>=' ); |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Whether the search and failure columns, the counts table and the debug table exist (schema 4). |
| 187 | * Every read or write of them checks this first, so newer code runs safely on an older table. |
| 188 | * |
| 189 | * @since $$next-version$$ |
| 190 | * |
| 191 | * @return bool |
| 192 | */ |
| 193 | public static function has_v4_schema() { |
| 194 | return version_compare( (string) get_option( self::DB_VERSION_OPTION, '' ), '4', '>=' ); |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Install or upgrade the table when the schema version changed. |
| 199 | * |
| 200 | * @return void |
| 201 | */ |
| 202 | public static function maybe_install() { |
| 203 | if ( version_compare( (string) get_option( self::DB_VERSION_OPTION, '' ), self::DB_VERSION, '<' ) && ! get_transient( self::UPGRADE_RETRY_TRANSIENT ) ) { |
| 204 | self::install(); |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | /** |
| 209 | * Whether the newest columns and both new tables are really there after `dbDelta()`, which doesn't |
| 210 | * report a change the host refused. |
| 211 | * |
| 212 | * @return bool |
| 213 | */ |
| 214 | private static function schema_ready() { |
| 215 | global $wpdb; |
| 216 | $suppress = $wpdb->suppress_errors(); |
| 217 | $columns = (array) $wpdb->get_col( $wpdb->prepare( 'DESCRIBE %i', self::table_name() ) ); |
| 218 | $ready = in_array( 'resend_of', $columns, true ) |
| 219 | && array() !== (array) $wpdb->get_col( $wpdb->prepare( 'DESCRIBE %i', Stats::table_name() ) ) |
| 220 | && array() !== (array) $wpdb->get_col( $wpdb->prepare( 'DESCRIBE %i', Debug_Log::table_name() ) ); |
| 221 | $wpdb->suppress_errors( $suppress ); |
| 222 | return $ready; |
| 223 | } |
| 224 | |
| 225 | /** |
| 226 | * Create or upgrade the tables, under a lock. Every step adds; nothing is dropped or deleted. |
| 227 | * |
| 228 | * @return void |
| 229 | */ |
| 230 | public static function install() { |
| 231 | global $wpdb; |
| 232 | // Another request is upgrading; this one carries on with the stored version. |
| 233 | if ( ! Lock::acquire( 'upgrade', 5 * MINUTE_IN_SECONDS ) ) { |
| 234 | return; |
| 235 | } |
| 236 | |
| 237 | try { |
| 238 | require_once ABSPATH . 'wp-admin/includes/upgrade.php'; |
| 239 | $previous = (string) get_option( self::DB_VERSION_OPTION, '' ); |
| 240 | $table = self::table_name(); |
| 241 | $charset = $wpdb->get_charset_collate(); |
| 242 | dbDelta( |
| 243 | "CREATE TABLE {$table} ( |
| 244 | id bigint(20) unsigned NOT NULL AUTO_INCREMENT, |
| 245 | created_at datetime NOT NULL, |
| 246 | recipients varchar(1000) NOT NULL DEFAULT '', |
| 247 | subject varchar(255) NOT NULL DEFAULT '', |
| 248 | status varchar(20) NOT NULL, |
| 249 | error text NULL, |
| 250 | request_id varchar(64) NOT NULL DEFAULT '', |
| 251 | source varchar(20) NOT NULL DEFAULT 'wp_mail', |
| 252 | origin varchar(100) NOT NULL DEFAULT '', |
| 253 | message longtext NULL, |
| 254 | from_email varchar(255) NOT NULL DEFAULT '', |
| 255 | other_addresses varchar(1000) NOT NULL DEFAULT '', |
| 256 | body_text text NULL, |
| 257 | reason varchar(32) NOT NULL DEFAULT '', |
| 258 | detail text NULL, |
| 259 | resend_of bigint(20) unsigned NOT NULL DEFAULT 0, |
| 260 | user_id bigint(20) unsigned NOT NULL DEFAULT 0, |
| 261 | PRIMARY KEY (id), |
| 262 | KEY created_at (created_at), |
| 263 | KEY created_status (created_at,status), |
| 264 | KEY status_created (status,created_at), |
| 265 | KEY origin_created (origin,created_at), |
| 266 | KEY reason_created (reason,created_at), |
| 267 | KEY resend_of (resend_of) |
| 268 | ) {$charset};" |
| 269 | ); |
| 270 | dbDelta( Stats::schema( $charset ) ); |
| 271 | dbDelta( Debug_Log::schema( $charset ) ); |
| 272 | |
| 273 | // A host that refused a change keeps the version it had, so newer code stays off the |
| 274 | // missing columns and every email is still logged; it's tried again in an hour. |
| 275 | if ( ! self::schema_ready() ) { |
| 276 | set_transient( self::UPGRADE_RETRY_TRANSIENT, 1, HOUR_IN_SECONDS ); |
| 277 | return; |
| 278 | } |
| 279 | |
| 280 | // Sites that already had a log keep the 30 days it kept before the setting existed. Read the raw |
| 281 | // option: Settings::get() merges in the new default, which would hide a missing key. |
| 282 | if ( in_array( $previous, array( '1', '2', '3' ), true ) && ! array_key_exists( 'log_retention_days', Settings::stored() ) ) { |
| 283 | Settings::update( array( 'log_retention_days' => 30 ) ); |
| 284 | } |
| 285 | Stats::start_backfill( self::max_id_raw() ); |
| 286 | update_option( self::FIELDS_BACKFILL_OPTION, 0, false ); |
| 287 | |
| 288 | wp_clear_scheduled_hook( self::PRUNE_HOOK ); |
| 289 | wp_schedule_event( time() + HOUR_IN_SECONDS, 'hourly', self::PRUNE_HOOK ); |
| 290 | self::clear_stats_cache(); |
| 291 | update_option( self::DB_VERSION_OPTION, self::DB_VERSION, true ); |
| 292 | } finally { |
| 293 | Lock::release( 'upgrade' ); |
| 294 | } |
| 295 | |
| 296 | // One batch now, so a log of up to 5,000 emails is counted in this request. |
| 297 | Stats::backfill_batch( 0 ); |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * Insert a row; a no-op until the table is installed. |
| 302 | * |
| 303 | * @param array $row status, recipients, subject, error, request_id, source, origin, message (array|null), |
| 304 | * and from schema 4 reason, detail (array), resend_of, user_id. `created_at` (Unix time) defaults to now. |
| 305 | * @return int|false The new row's id, or false when nothing was stored. |
| 306 | */ |
| 307 | public static function insert( array $row ) { |
| 308 | global $wpdb; |
| 309 | if ( ! self::is_installed() ) { |
| 310 | return false; |
| 311 | } |
| 312 | |
| 313 | $columns = self::columns( $row + array( 'source' => 'wp_mail' ) ); |
| 314 | $columns['created_at'] = gmdate( 'Y-m-d H:i:s', isset( $row['created_at'] ) && is_int( $row['created_at'] ) ? $row['created_at'] : time() ); |
| 315 | if ( ! $wpdb->insert( self::table_name(), $columns, self::formats( $columns ) ) ) { |
| 316 | return false; |
| 317 | } |
| 318 | $id = (int) $wpdb->insert_id; |
| 319 | return $id > 0 ? $id : false; |
| 320 | } |
| 321 | |
| 322 | /** |
| 323 | * Change the given columns of a row, e.g. once a reserved row's email has been sent. |
| 324 | * |
| 325 | * @param int $id Row ID. |
| 326 | * @param array $row Columns to change, as for insert(). |
| 327 | * @return bool Whether the update ran. |
| 328 | */ |
| 329 | public static function update( $id, array $row ) { |
| 330 | global $wpdb; |
| 331 | if ( ! self::is_installed() || $id < 1 ) { |
| 332 | return false; |
| 333 | } |
| 334 | |
| 335 | $columns = self::columns( $row ); |
| 336 | if ( array() === $columns ) { |
| 337 | return false; |
| 338 | } |
| 339 | return false !== $wpdb->update( self::table_name(), $columns, array( 'id' => (int) $id ), self::formats( $columns ), array( '%d' ) ); |
| 340 | } |
| 341 | |
| 342 | /** |
| 343 | * Formats for the columns: numbers for ids, text for the rest. |
| 344 | * |
| 345 | * @param array $columns Column values. |
| 346 | * @return string[] |
| 347 | */ |
| 348 | private static function formats( array $columns ) { |
| 349 | return array_map( fn( $key ) => in_array( $key, array( 'resend_of', 'user_id' ), true ) ? '%d' : '%s', array_keys( $columns ) ); |
| 350 | } |
| 351 | |
| 352 | /** |
| 353 | * Clean and truncate the given row keys into column values. |
| 354 | * |
| 355 | * @param array $row Keys from insert(). |
| 356 | * @return array<string, string|int|null> |
| 357 | */ |
| 358 | private static function columns( array $row ) { |
| 359 | // Invalid UTF-8 makes wpdb refuse the whole row, losing the log entry. |
| 360 | $text = fn( $key ) => (string) wp_check_invalid_utf8( (string) $row[ $key ], true ); |
| 361 | $limits = array( |
| 362 | 'recipients' => 1000, |
| 363 | 'subject' => 255, |
| 364 | 'status' => 20, |
| 365 | 'error' => 0, |
| 366 | 'request_id' => 64, |
| 367 | 'source' => 20, |
| 368 | 'origin' => 100, |
| 369 | ); |
| 370 | $columns = array(); |
| 371 | foreach ( $limits as $key => $limit ) { |
| 372 | if ( array_key_exists( $key, $row ) ) { |
| 373 | $columns[ $key ] = $limit ? mb_substr( $text( $key ), 0, $limit ) : $text( $key ); |
| 374 | } |
| 375 | } |
| 376 | // The service sometimes repeats what it was sent, a key included. |
| 377 | if ( isset( $columns['error'] ) ) { |
| 378 | $columns['error'] = Debug_Log::remove_secrets( $columns['error'] ); |
| 379 | } |
| 380 | $message = null; |
| 381 | if ( array_key_exists( 'message', $row ) ) { |
| 382 | $message = empty( $row['message'] ) || ! is_array( $row['message'] ) ? null : self::strip_sign_in_links( $row['message'] ); |
| 383 | $encoded = null === $message ? false : wp_json_encode( $message, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE ); |
| 384 | $columns['message'] = false === $encoded ? null : $encoded; |
| 385 | } |
| 386 | if ( ! self::has_v4_schema() ) { |
| 387 | return $columns; |
| 388 | } |
| 389 | |
| 390 | if ( array_key_exists( 'message', $row ) ) { |
| 391 | $columns = array_merge( $columns, self::search_fields( $message ) ); |
| 392 | } |
| 393 | if ( array_key_exists( 'reason', $row ) ) { |
| 394 | $columns['reason'] = substr( (string) preg_replace( '/[^a-z_]/', '', (string) $row['reason'] ), 0, 32 ); |
| 395 | } |
| 396 | if ( array_key_exists( 'detail', $row ) ) { |
| 397 | $columns['detail'] = is_array( $row['detail'] ) ? self::encode_detail( Debug_Log::remove_secrets( $row['detail'] ) ) : null; |
| 398 | } |
| 399 | foreach ( array( 'resend_of', 'user_id' ) as $key ) { |
| 400 | if ( array_key_exists( $key, $row ) ) { |
| 401 | $columns[ $key ] = max( 0, (int) $row[ $key ] ); |
| 402 | } |
| 403 | } |
| 404 | return $columns; |
| 405 | } |
| 406 | |
| 407 | /** |
| 408 | * The search columns for a stored message: the From address, the other addresses, and the text. |
| 409 | * |
| 410 | * @param array|null $message Decoded message, sign-in links already stripped. |
| 411 | * @return array{from_email: string, other_addresses: string, body_text: string|null} |
| 412 | */ |
| 413 | private static function search_fields( $message ) { |
| 414 | $message = is_array( $message ) ? $message : array(); |
| 415 | $others = array(); |
| 416 | foreach ( array( 'cc', 'bcc' ) as $key ) { |
| 417 | foreach ( (array) ( $message[ $key ] ?? array() ) as $address ) { |
| 418 | $others[] = is_array( $address ) ? (string) ( $address['email'] ?? '' ) : ''; |
| 419 | } |
| 420 | } |
| 421 | $others[] = is_array( $message['reply_to'] ?? null ) ? (string) ( $message['reply_to']['email'] ?? '' ) : ''; |
| 422 | $body = $message['body'] ?? null; |
| 423 | return array( |
| 424 | 'from_email' => is_array( $message['from'] ?? null ) ? substr( (string) ( $message['from']['email'] ?? '' ), 0, 255 ) : '', |
| 425 | 'other_addresses' => mb_substr( implode( ',', array_filter( $others ) ), 0, 1000 ), |
| 426 | 'body_text' => is_string( $body ) ? self::cut_bytes( (string) wp_check_invalid_utf8( Message_Builder::plain_text( $body, (string) ( $message['content_type'] ?? 'text/plain' ) ), true ), self::BODY_TEXT_BYTES ) : null, |
| 427 | ); |
| 428 | } |
| 429 | |
| 430 | /** |
| 431 | * Cut text to a number of bytes without splitting a character, which would make wpdb drop the row. |
| 432 | * |
| 433 | * @param string $text Text. |
| 434 | * @param int $bytes Most bytes. |
| 435 | * @return string |
| 436 | */ |
| 437 | private static function cut_bytes( $text, $bytes ) { |
| 438 | if ( strlen( $text ) <= $bytes ) { |
| 439 | return $text; |
| 440 | } |
| 441 | if ( function_exists( 'mb_strcut' ) ) { |
| 442 | return mb_strcut( $text, 0, $bytes, 'UTF-8' ); |
| 443 | } |
| 444 | return (string) preg_replace( '/[\xC0-\xFF][\x80-\xBF]*$/', '', substr( $text, 0, $bytes ) ); |
| 445 | } |
| 446 | |
| 447 | /** |
| 448 | * Encode a detail, shortening it to fit DETAIL_BYTES. |
| 449 | * |
| 450 | * @param array $detail Detail. |
| 451 | * @return string|null |
| 452 | */ |
| 453 | private static function encode_detail( array $detail ) { |
| 454 | $encode = fn( $value ) => wp_json_encode( $value, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE ); |
| 455 | $encoded = $encode( Failure_Reason::cap( $detail ) ); |
| 456 | if ( false !== $encoded && strlen( $encoded ) > self::DETAIL_BYTES ) { |
| 457 | unset( $detail['service_errors'] ); |
| 458 | $encoded = $encode( map_deep( $detail, fn( $value ) => is_string( $value ) && mb_strlen( $value ) > 100 ? mb_substr( $value, 0, 99 ) . '…' : $value ) ); |
| 459 | } |
| 460 | return false === $encoded || strlen( $encoded ) > self::DETAIL_BYTES ? null : $encoded; |
| 461 | } |
| 462 | |
| 463 | /** |
| 464 | * The stored copy of a message with sign-in links stripped, marked `redacted` when any were. |
| 465 | * |
| 466 | * @param array $message Message. |
| 467 | * @return array |
| 468 | */ |
| 469 | private static function strip_sign_in_links( array $message ) { |
| 470 | if ( ! is_string( $message['body'] ?? null ) ) { |
| 471 | return $message; |
| 472 | } |
| 473 | $body = self::redact_body( $message['body'] ); |
| 474 | if ( null === $body ) { |
| 475 | // Couldn't check it: keep the body, and let it go only to the same people or the sender. |
| 476 | $message['locked'] = true; |
| 477 | } elseif ( $body !== $message['body'] ) { |
| 478 | $message['body'] = $body; |
| 479 | $message['redacted'] = true; |
| 480 | } |
| 481 | return $message; |
| 482 | } |
| 483 | |
| 484 | /** |
| 485 | * Remove the secret part of sign-in links from a stored body; the email that goes out is untouched. |
| 486 | * Kept narrow on purpose, so links like a store's order page still work in a resend. |
| 487 | * |
| 488 | * @since $$next-version$$ |
| 489 | * |
| 490 | * @param string $body Body. |
| 491 | * @return string |
| 492 | */ |
| 493 | public static function redact_links( $body ) { |
| 494 | $redacted = self::redact_body( (string) $body ); |
| 495 | return null === $redacted ? (string) $body : $redacted; |
| 496 | } |
| 497 | |
| 498 | /** |
| 499 | * The body with sign-in links stripped, or null when a pattern couldn't run on it (a backtrack or |
| 500 | * memory limit), so the caller can keep the original rather than store an empty body. |
| 501 | * |
| 502 | * @param string $body Body. |
| 503 | * @return string|null |
| 504 | */ |
| 505 | private static function redact_body( $body ) { |
| 506 | // A link is a run of URL characters with a `?` in it. Matches start only where a run starts and |
| 507 | // the part before the `?` never gives characters back, so a long run with no `?` (an inline |
| 508 | // image, say) is read once, not once per character. |
| 509 | $body = preg_replace_callback( '#(?<![^\s"\'<>()])[^\s"\'<>()?]*+\?[^\s"\'<>()]+#', array( __CLASS__, 'redact_link' ), (string) $body ); |
| 510 | if ( null === $body ) { |
| 511 | return null; |
| 512 | } |
| 513 | // Personal data export files are reachable by anyone with the link. |
| 514 | $body = preg_replace( '#(wp-content/uploads/wp-personal-data-exports/)[^\s"\'<>()?]++#i', '$1[removed]', $body ); |
| 515 | if ( null === $body ) { |
| 516 | return null; |
| 517 | } |
| 518 | |
| 519 | /** |
| 520 | * More sign-in link patterns to strip from stored emails. A pattern's first capture group is removed, |
| 521 | * or the whole match when it has none. |
| 522 | * |
| 523 | * @since $$next-version$$ |
| 524 | * |
| 525 | * @param string[] $patterns Regular expressions. Default none. |
| 526 | */ |
| 527 | foreach ( (array) apply_filters( 'jetpack_send_log_redact_patterns', array() ) as $pattern ) { |
| 528 | if ( ! is_string( $pattern ) || '' === $pattern ) { |
| 529 | continue; |
| 530 | } |
| 531 | $result = @preg_replace_callback( $pattern, fn( $match ) => isset( $match[1] ) && '' !== $match[1] ? str_replace( $match[1], '[removed]', $match[0] ) : '[removed]', $body ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged -- A bad pattern from a filter must not stop logging. |
| 532 | if ( is_string( $result ) ) { |
| 533 | $body = $result; |
| 534 | } |
| 535 | } |
| 536 | return $body; |
| 537 | } |
| 538 | |
| 539 | /** |
| 540 | * Strip the secrets from one link with a query string. |
| 541 | * |
| 542 | * @param array $match The link, as `[0]`. |
| 543 | * @return string |
| 544 | */ |
| 545 | private static function redact_link( array $match ) { |
| 546 | $url = $match[0]; |
| 547 | $params = array( 'adminhash', 'newuseremail' ); |
| 548 | if ( preg_match( '/wp-login\.php/i', $url ) && preg_match( '/\baction=(?:rp|resetpass)\b/i', $url ) ) { |
| 549 | $params[] = 'key'; |
| 550 | } |
| 551 | if ( preg_match( '/\baction=enter_recovery_mode\b/i', $url ) ) { |
| 552 | array_push( $params, 'rm_token', 'rm_key' ); |
| 553 | } |
| 554 | if ( preg_match( '/\baction=confirmaction\b/i', $url ) ) { |
| 555 | $params[] = 'confirm_key'; |
| 556 | } |
| 557 | if ( preg_match( '/wp-activate\.php/i', $url ) ) { |
| 558 | $params[] = 'key'; |
| 559 | } |
| 560 | // Store account set-password links: a lost-password page with a key, and a new account's link. |
| 561 | if ( preg_match( '#/lost-password/?(?:\?|&)#i', $url ) || preg_match( '/\baction=newaccount\b/i', $url ) ) { |
| 562 | $params[] = 'key'; |
| 563 | } |
| 564 | foreach ( array_unique( $params ) as $param ) { |
| 565 | $url = (string) preg_replace( '/((?:\?|&(?:amp;|#0?38;)?)' . preg_quote( $param, '/' ) . '=)[^&#\s"\'<>]+/i', '$1[removed]', $url ); |
| 566 | } |
| 567 | return $url; |
| 568 | } |
| 569 | |
| 570 | /** |
| 571 | * A page of rows without their message, newest first. |
| 572 | * |
| 573 | * Takes an args array: `page`, `per_page`, `search`, `status`, `origin` and `source` (lists; any of), |
| 574 | * `start_utc` and `end_utc` (UTC `Y-m-d H:i:s`, or Unix times). The older positional form still works. |
| 575 | * |
| 576 | * @param array|int $args Args, or the 1-based page in the older form. |
| 577 | * @param int $per_page Older form: rows per page. |
| 578 | * @param string $status Older form: status filter, or '' for all. |
| 579 | * @param string $source Older form: source filter, or '' for all. |
| 580 | * @param string $since Older form: UTC `Y-m-d H:i:s`; only rows at or after it. '' for any date. |
| 581 | * @return array{items: array[], total: int, searched_text: bool, total_capped: bool} |
| 582 | */ |
| 583 | public static function query( $args, $per_page = 20, $status = '', $source = '', $since = '' ) { |
| 584 | global $wpdb; |
| 585 | if ( ! is_array( $args ) ) { |
| 586 | $args = array( |
| 587 | 'page' => (int) $args, |
| 588 | 'per_page' => (int) $per_page, |
| 589 | 'status' => '' === (string) $status ? array() : array( (string) $status ), |
| 590 | 'source' => '' === (string) $source ? array() : array( (string) $source ), |
| 591 | 'start_utc' => (string) $since, |
| 592 | ); |
| 593 | } |
| 594 | $page = array( |
| 595 | 'items' => array(), |
| 596 | 'total' => 0, |
| 597 | 'searched_text' => true, |
| 598 | 'total_capped' => false, |
| 599 | ); |
| 600 | if ( ! self::is_installed() ) { |
| 601 | return $page; |
| 602 | } |
| 603 | |
| 604 | $table = self::table_name(); |
| 605 | $per_page = max( 1, (int) ( $args['per_page'] ?? 20 ) ); |
| 606 | $offset = max( 0, ( (int) ( $args['page'] ?? 1 ) - 1 ) * $per_page ); |
| 607 | $v4 = self::has_v4_schema(); |
| 608 | $columns = 'id, created_at, recipients, subject, status, error, request_id, source, origin' . ( $v4 ? ', from_email, reason, resend_of' : '' ); |
| 609 | list( $where, $values ) = self::filters( $args ); |
| 610 | $search = self::clean_search( $args['search'] ?? '' ); |
| 611 | |
| 612 | // phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared, WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber -- `$where` and `$match` hold placeholders only, with values to match. |
| 613 | if ( '' === $search ) { |
| 614 | $page['items'] = $wpdb->get_results( $wpdb->prepare( "SELECT {$columns} FROM %i WHERE {$where} ORDER BY created_at DESC, id DESC LIMIT %d OFFSET %d", $table, ...array_merge( $values, array( $per_page, $offset ) ) ), ARRAY_A ); |
| 615 | $page['total'] = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM %i WHERE {$where}", $table, ...$values ) ); |
| 616 | } else { |
| 617 | $fields = $v4 ? array( 'subject', 'recipients', 'from_email', 'other_addresses' ) : array( 'subject', 'recipients' ); |
| 618 | // Text is searched only while the other filters leave few enough rows to scan; the count stops early. |
| 619 | $page['searched_text'] = $v4 && (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM ( SELECT 1 FROM %i WHERE {$where} LIMIT %d ) counted", $table, ...array_merge( $values, array( self::TEXT_SEARCH_MAX_ROWS + 1 ) ) ) ) <= self::TEXT_SEARCH_MAX_ROWS; |
| 620 | if ( $page['searched_text'] ) { |
| 621 | $fields[] = 'body_text'; |
| 622 | } |
| 623 | $match = '( ' . implode( ' OR ', array_map( fn( $field ) => "{$field} LIKE %s", $fields ) ) . ' )'; |
| 624 | $values = array_merge( $values, array_fill( 0, count( $fields ), '%' . $wpdb->esc_like( $search ) . '%' ) ); |
| 625 | |
| 626 | $page['items'] = $wpdb->get_results( $wpdb->prepare( "SELECT {$columns} FROM %i WHERE {$where} AND {$match} ORDER BY created_at DESC, id DESC LIMIT %d OFFSET %d", $table, ...array_merge( $values, array( $per_page, $offset ) ) ), ARRAY_A ); |
| 627 | $total = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM ( SELECT 1 FROM %i WHERE {$where} AND {$match} LIMIT %d ) counted", $table, ...array_merge( $values, array( self::SEARCH_TOTAL_CAP + 1 ) ) ) ); |
| 628 | $page['total_capped'] = $total > self::SEARCH_TOTAL_CAP; |
| 629 | $page['total'] = min( $total, self::SEARCH_TOTAL_CAP ); |
| 630 | } |
| 631 | // phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared, WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber |
| 632 | |
| 633 | $page['items'] = is_array( $page['items'] ) ? $page['items'] : array(); |
| 634 | return $page; |
| 635 | } |
| 636 | |
| 637 | /** |
| 638 | * The WHERE clause for the filters, which the indexes cover. |
| 639 | * |
| 640 | * @param array $args As for query(). |
| 641 | * @return array{0: string, 1: array} SQL with placeholders, and their values. |
| 642 | */ |
| 643 | private static function filters( array $args ) { |
| 644 | $where = array( '1=1' ); |
| 645 | $values = array(); |
| 646 | foreach ( array( 'status', 'origin', 'source' ) as $column ) { |
| 647 | $list = array_values( array_unique( array_filter( array_map( 'strval', (array) ( $args[ $column ] ?? array() ) ), 'strlen' ) ) ); |
| 648 | if ( $list ) { |
| 649 | $where[] = "{$column} IN (" . implode( ',', array_fill( 0, count( $list ), '%s' ) ) . ')'; |
| 650 | $values = array_merge( $values, $list ); |
| 651 | } |
| 652 | } |
| 653 | foreach ( array( |
| 654 | 'start_utc' => '>=', |
| 655 | 'end_utc' => '<', |
| 656 | ) as $key => $operator ) { |
| 657 | $time = $args[ $key ] ?? ''; |
| 658 | if ( is_int( $time ) ) { |
| 659 | $time = gmdate( 'Y-m-d H:i:s', $time ); |
| 660 | } |
| 661 | if ( '' !== (string) $time ) { |
| 662 | $where[] = "created_at {$operator} %s"; |
| 663 | $values[] = (string) $time; |
| 664 | } |
| 665 | } |
| 666 | return array( implode( ' AND ', $where ), $values ); |
| 667 | } |
| 668 | |
| 669 | /** |
| 670 | * Search text as the Log sends it: trimmed, control characters dropped, cut to SEARCH_MAX_CHARS |
| 671 | * characters, and '' when shorter than SEARCH_MIN_CHARS. Not sanitize_text_field(): it would change "50%" or "<b>". |
| 672 | * |
| 673 | * @since $$next-version$$ |
| 674 | * |
| 675 | * @param mixed $value Typed text. |
| 676 | * @return string |
| 677 | */ |
| 678 | public static function clean_search( $value ) { |
| 679 | if ( ! is_scalar( $value ) ) { |
| 680 | return ''; |
| 681 | } |
| 682 | $text = trim( (string) preg_replace( '/[\x00-\x1F\x7F]/u', '', (string) wp_check_invalid_utf8( (string) $value, true ) ) ); |
| 683 | return mb_strlen( $text ) < self::SEARCH_MIN_CHARS ? '' : mb_substr( $text, 0, self::SEARCH_MAX_CHARS ); |
| 684 | } |
| 685 | |
| 686 | /** |
| 687 | * One row with its decoded message, which is null when none was kept. |
| 688 | * |
| 689 | * @param int $id Row ID. |
| 690 | * @return array|null Null when the row doesn't exist. |
| 691 | */ |
| 692 | public static function get( $id ) { |
| 693 | global $wpdb; |
| 694 | if ( ! self::is_installed() ) { |
| 695 | return null; |
| 696 | } |
| 697 | |
| 698 | $row = $wpdb->get_row( $wpdb->prepare( 'SELECT * FROM %i WHERE id = %d', self::table_name(), $id ), ARRAY_A ); |
| 699 | if ( ! is_array( $row ) ) { |
| 700 | return null; |
| 701 | } |
| 702 | |
| 703 | $message = is_string( $row['message'] ) ? json_decode( $row['message'], true ) : null; |
| 704 | $row['message'] = is_array( $message ) ? $message : null; |
| 705 | return $row; |
| 706 | } |
| 707 | |
| 708 | /** |
| 709 | * When an email was logged and how it went, or null when it's no longer in the log. |
| 710 | * |
| 711 | * @since $$next-version$$ |
| 712 | * |
| 713 | * @param int $id Row id. |
| 714 | * @return array{created_at: string, status: string}|null UTC `Y-m-d H:i:s` and the status. |
| 715 | */ |
| 716 | public static function brief_of( $id ) { |
| 717 | global $wpdb; |
| 718 | if ( ! self::is_installed() || (int) $id < 1 ) { |
| 719 | return null; |
| 720 | } |
| 721 | $row = $wpdb->get_row( $wpdb->prepare( 'SELECT created_at, status FROM %i WHERE id = %d', self::table_name(), $id ), ARRAY_A ); |
| 722 | return is_array( $row ) && is_string( $row['created_at'] ?? null ) && '' !== $row['created_at'] |
| 723 | ? array( |
| 724 | 'created_at' => $row['created_at'], |
| 725 | 'status' => (string) ( $row['status'] ?? '' ), |
| 726 | ) |
| 727 | : null; |
| 728 | } |
| 729 | |
| 730 | /** |
| 731 | * The copies of an email sent again from the Log, newest first. |
| 732 | * |
| 733 | * @since $$next-version$$ |
| 734 | * |
| 735 | * @param int $id The original's row id. |
| 736 | * @param int $limit Most copies listed. |
| 737 | * @return array{items: array[], total: int} `items` hold id, status and created_at. |
| 738 | */ |
| 739 | public static function resends_of( $id, $limit = 20 ) { |
| 740 | global $wpdb; |
| 741 | if ( ! self::has_v4_schema() || (int) $id < 1 ) { |
| 742 | return array( |
| 743 | 'items' => array(), |
| 744 | 'total' => 0, |
| 745 | ); |
| 746 | } |
| 747 | $table = self::table_name(); |
| 748 | $items = $wpdb->get_results( $wpdb->prepare( 'SELECT id, status, created_at FROM %i WHERE resend_of = %d ORDER BY id DESC LIMIT %d', $table, $id, $limit ), ARRAY_A ); |
| 749 | $total = $wpdb->get_var( $wpdb->prepare( 'SELECT COUNT(*) FROM %i WHERE resend_of = %d', $table, $id ) ); |
| 750 | return array( |
| 751 | 'items' => is_array( $items ) ? $items : array(), |
| 752 | 'total' => (int) $total, |
| 753 | ); |
| 754 | } |
| 755 | |
| 756 | /** |
| 757 | * Origins still in the log, most first. |
| 758 | * |
| 759 | * @since $$next-version$$ |
| 760 | * |
| 761 | * @return array<int, array{origin: string, n: string}> |
| 762 | */ |
| 763 | public static function origins_in_log() { |
| 764 | global $wpdb; |
| 765 | if ( ! self::is_installed() ) { |
| 766 | return array(); |
| 767 | } |
| 768 | $rows = $wpdb->get_results( $wpdb->prepare( "SELECT origin, COUNT(*) AS n FROM %i WHERE origin <> '' GROUP BY origin ORDER BY n DESC", self::table_name() ), ARRAY_A ); |
| 769 | return is_array( $rows ) ? $rows : array(); |
| 770 | } |
| 771 | |
| 772 | /** |
| 773 | * How many emails the log holds, the oldest one, and how many each retention choice would delete, |
| 774 | * with the same rolling cutoff the prune uses. |
| 775 | * |
| 776 | * @since $$next-version$$ |
| 777 | * |
| 778 | * @param int|null $now Unix time; defaults to now. |
| 779 | * @return array{total: int, oldest_at: string|null, older_than: array<string, int>} |
| 780 | */ |
| 781 | public static function summary( $now = null ) { |
| 782 | global $wpdb; |
| 783 | $now = null === $now ? time() : (int) $now; |
| 784 | $choices = array_values( array_filter( Settings::RETENTION_DAYS ) ); |
| 785 | $summary = array( |
| 786 | 'total' => 0, |
| 787 | 'oldest_at' => null, |
| 788 | 'older_than' => array_fill_keys( array_map( 'strval', $choices ), 0 ), |
| 789 | ); |
| 790 | if ( ! self::is_installed() ) { |
| 791 | return $summary; |
| 792 | } |
| 793 | |
| 794 | $sums = implode( ', ', array_map( fn( $days ) => "SUM( CASE WHEN created_at < %s THEN 1 ELSE 0 END ) AS d{$days}", $choices ) ); |
| 795 | $values = array_map( fn( $days ) => gmdate( 'Y-m-d H:i:s', $now - $days * DAY_IN_SECONDS ), $choices ); |
| 796 | // phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared, WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber -- `$sums` holds one placeholder per choice. |
| 797 | $row = $wpdb->get_row( $wpdb->prepare( "SELECT COUNT(*) AS total, MIN(created_at) AS oldest, {$sums} FROM %i", ...array_merge( $values, array( self::table_name() ) ) ), ARRAY_A ); |
| 798 | // phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared, WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber |
| 799 | if ( ! is_array( $row ) ) { |
| 800 | return $summary; |
| 801 | } |
| 802 | $summary['total'] = (int) ( $row['total'] ?? 0 ); |
| 803 | $summary['oldest_at'] = empty( $row['oldest'] ) ? null : self::iso( (string) $row['oldest'] ); |
| 804 | foreach ( $choices as $days ) { |
| 805 | $summary['older_than'][ (string) $days ] = (int) ( $row[ 'd' . $days ] ?? 0 ); |
| 806 | } |
| 807 | return $summary; |
| 808 | } |
| 809 | |
| 810 | /** |
| 811 | * When the oldest row was logged. |
| 812 | * |
| 813 | * @since $$next-version$$ |
| 814 | * |
| 815 | * @return string|null UTC `Y-m-d H:i:s`, or null when the log is empty. |
| 816 | */ |
| 817 | public static function oldest_created_at() { |
| 818 | global $wpdb; |
| 819 | if ( ! self::is_installed() ) { |
| 820 | return null; |
| 821 | } |
| 822 | $value = $wpdb->get_var( $wpdb->prepare( 'SELECT MIN(created_at) FROM %i', self::table_name() ) ); |
| 823 | return is_string( $value ) && '' !== $value ? $value : null; |
| 824 | } |
| 825 | |
| 826 | /** |
| 827 | * Failed and host-sent site emails and resends still in the log in a window. |
| 828 | * |
| 829 | * @since $$next-version$$ |
| 830 | * |
| 831 | * @param int $start_utc First second, Unix time. |
| 832 | * @param int $end_utc Second after the last one. |
| 833 | * @return array{failed_in_log: int, fallback_in_log: int} |
| 834 | */ |
| 835 | public static function attention( $start_utc, $end_utc ) { |
| 836 | global $wpdb; |
| 837 | $counts = array( |
| 838 | 'failed_in_log' => 0, |
| 839 | 'fallback_in_log' => 0, |
| 840 | ); |
| 841 | if ( ! self::is_installed() ) { |
| 842 | return $counts; |
| 843 | } |
| 844 | $row = $wpdb->get_row( $wpdb->prepare( "SELECT SUM( CASE WHEN status = 'failed' THEN 1 ELSE 0 END ) AS failed, SUM( CASE WHEN status = 'fallback' THEN 1 ELSE 0 END ) AS fallback FROM %i WHERE created_at >= %s AND created_at < %s AND source IN ( 'wp_mail', 'resend' ) AND status IN ( 'failed', 'fallback' )", self::table_name(), gmdate( 'Y-m-d H:i:s', (int) $start_utc ), gmdate( 'Y-m-d H:i:s', (int) $end_utc ) ), ARRAY_A ); |
| 845 | if ( is_array( $row ) ) { |
| 846 | $counts['failed_in_log'] = (int) ( $row['failed'] ?? 0 ); |
| 847 | $counts['fallback_in_log'] = (int) ( $row['fallback'] ?? 0 ); |
| 848 | } |
| 849 | return $counts; |
| 850 | } |
| 851 | |
| 852 | /** |
| 853 | * Delete rows by id, for good. Nothing else changes: the onboarding state, the hourly test limit and |
| 854 | * the dashboard's counts live outside the log, so deleting a row reopens nothing and lowers no number. |
| 855 | * |
| 856 | * @param int[] $ids Row IDs; duplicates and anything below 1 are ignored. |
| 857 | * @return array{deleted: int[], missing: int[]} The ids that were removed, and the ones that weren't there. |
| 858 | */ |
| 859 | public static function delete( array $ids ) { |
| 860 | global $wpdb; |
| 861 | $ids = array_values( array_unique( array_filter( array_map( 'intval', $ids ), fn( $id ) => $id > 0 ) ) ); |
| 862 | if ( ! self::is_installed() || array() === $ids ) { |
| 863 | return array( |
| 864 | 'deleted' => array(), |
| 865 | 'missing' => $ids, |
| 866 | ); |
| 867 | } |
| 868 | |
| 869 | $in = implode( ',', array_fill( 0, count( $ids ), '%d' ) ); |
| 870 | $table = self::table_name(); |
| 871 | // phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared, WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare, WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber -- `$in` is one `%d` per id. |
| 872 | $found = array_map( 'intval', (array) $wpdb->get_col( $wpdb->prepare( "SELECT id FROM %i WHERE id IN ($in)", $table, ...$ids ) ) ); |
| 873 | if ( array() !== $found ) { |
| 874 | $wpdb->query( $wpdb->prepare( "DELETE FROM %i WHERE id IN ($in)", $table, ...$ids ) ); |
| 875 | } |
| 876 | // phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared, WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare, WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber |
| 877 | // The cached stats only notice a new newest row, and the attention notice counts rows still in the log. |
| 878 | self::clear_stats_cache(); |
| 879 | |
| 880 | $deleted = array_values( array_intersect( $ids, $found ) ); |
| 881 | if ( $deleted ) { |
| 882 | /* translators: %d: how many emails. */ |
| 883 | Debug_Log::add( 'info', 'cleanup', 'log.deleted', sprintf( _n( 'Deleted %d email from the log.', 'Deleted %d emails from the log.', count( $deleted ), 'jetpack-send-pkg' ), count( $deleted ) ), array( 'count' => count( $deleted ) ) ); |
| 884 | } |
| 885 | return array( |
| 886 | 'deleted' => $deleted, |
| 887 | 'missing' => array_values( array_diff( $ids, $deleted ) ), |
| 888 | ); |
| 889 | } |
| 890 | |
| 891 | /** |
| 892 | * How many days the log keeps rows: the setting, unless the site's code sets it. |
| 893 | * |
| 894 | * @return int Days; 0 when rows are kept for good. |
| 895 | */ |
| 896 | public static function retention_days() { |
| 897 | $days = self::retention_setting(); |
| 898 | |
| 899 | /** |
| 900 | * Days to keep Send log rows. Overrides the Email log setting, which then can't be changed. |
| 901 | * |
| 902 | * @since $$next-version$$ |
| 903 | * |
| 904 | * @param int $days Retention in days from the setting; 0 keeps rows for good. Default 7. |
| 905 | */ |
| 906 | return max( 0, (int) apply_filters( 'jetpack_send_log_retention_days', $days ) ); |
| 907 | } |
| 908 | |
| 909 | /** |
| 910 | * The Email log setting's days, before the site's code has its say. |
| 911 | * |
| 912 | * @since $$next-version$$ |
| 913 | * |
| 914 | * @return int Days; 0 keeps rows for good. |
| 915 | */ |
| 916 | public static function retention_setting() { |
| 917 | $stored = Settings::stored(); |
| 918 | if ( array_key_exists( 'log_retention_days', $stored ) ) { |
| 919 | return (int) $stored['log_retention_days']; |
| 920 | } |
| 921 | // A log from before the setting kept 30 days, until the upgrade writes that down. |
| 922 | return self::is_installed() && ! self::has_v4_schema() ? 30 : (int) Settings::get()['log_retention_days']; |
| 923 | } |
| 924 | |
| 925 | /** |
| 926 | * Whether the site's code sets the retention, so the setting can't change it. |
| 927 | * |
| 928 | * @since $$next-version$$ |
| 929 | * |
| 930 | * @return bool |
| 931 | */ |
| 932 | public static function retention_locked() { |
| 933 | return false !== has_filter( 'jetpack_send_log_retention_days' ); |
| 934 | } |
| 935 | |
| 936 | /** |
| 937 | * Delete rows older than the retention window, in batches, until done or the time runs out. |
| 938 | * Rows the counts backfill hasn't reached stay, so no email drops out of the dashboard. |
| 939 | * |
| 940 | * @param int $budget_seconds Time to spend. |
| 941 | * @return array{deleted: int, remaining: int} |
| 942 | */ |
| 943 | public static function prune( $budget_seconds = 10 ) { |
| 944 | global $wpdb; |
| 945 | $result = array( |
| 946 | 'deleted' => 0, |
| 947 | 'remaining' => 0, |
| 948 | ); |
| 949 | $days = self::retention_days(); |
| 950 | if ( ! self::is_installed() || $days < 1 ) { |
| 951 | return $result; |
| 952 | } |
| 953 | |
| 954 | $table = self::table_name(); |
| 955 | $cutoff = gmdate( 'Y-m-d H:i:s', time() - $days * DAY_IN_SECONDS ); |
| 956 | $state = Stats::backfill_state(); |
| 957 | $counted = null === $state || $state['done'] ? '' : $wpdb->prepare( ' AND ( id <= %d OR id > %d )', $state['cursor'], $state['until_id'] ); |
| 958 | $started = microtime( true ); |
| 959 | $full = false; |
| 960 | // phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared, WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare, WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber -- `$counted` is already prepared; `$in` is one `%d` per id. |
| 961 | do { |
| 962 | $ids = array_map( 'intval', (array) $wpdb->get_col( $wpdb->prepare( "SELECT id FROM %i WHERE created_at < %s{$counted} ORDER BY id LIMIT %d", $table, $cutoff, self::PRUNE_BATCH ) ) ); |
| 963 | if ( array() === $ids ) { |
| 964 | break; |
| 965 | } |
| 966 | $in = implode( ',', array_fill( 0, count( $ids ), '%d' ) ); |
| 967 | $wpdb->query( $wpdb->prepare( "DELETE FROM %i WHERE id IN ($in)", $table, ...$ids ) ); |
| 968 | $result['deleted'] += count( $ids ); |
| 969 | $full = count( $ids ) === self::PRUNE_BATCH; |
| 970 | } while ( $full && microtime( true ) - $started < $budget_seconds ); |
| 971 | if ( $full ) { |
| 972 | $result['remaining'] = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM %i WHERE created_at < %s{$counted}", $table, $cutoff ) ); |
| 973 | } |
| 974 | // phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared, WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare, WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber |
| 975 | |
| 976 | if ( $result['deleted'] > 0 ) { |
| 977 | self::clear_stats_cache(); |
| 978 | /* translators: %d: a number of days. */ |
| 979 | $length = sprintf( _n( '%d day', '%d days', $days, 'jetpack-send-pkg' ), $days ); |
| 980 | Debug_Log::add( |
| 981 | 'info', |
| 982 | 'cleanup', |
| 983 | 'log.pruned', |
| 984 | /* translators: 1: how many emails, 2: how long the log keeps them, e.g. "7 days". */ |
| 985 | sprintf( _n( 'Deleted %1$d email older than %2$s.', 'Deleted %1$d emails older than %2$s.', $result['deleted'], 'jetpack-send-pkg' ), $result['deleted'], $length ), |
| 986 | $result + array( 'days' => $days ) |
| 987 | ); |
| 988 | } |
| 989 | return $result; |
| 990 | } |
| 991 | |
| 992 | /** |
| 993 | * The hourly job: count older emails, then prune the log, the counts and the debug log. |
| 994 | * |
| 995 | * @since $$next-version$$ |
| 996 | * |
| 997 | * @return void |
| 998 | */ |
| 999 | public static function run_hourly() { |
| 1000 | Stats::backfill_batch(); |
| 1001 | self::backfill_batch(); |
| 1002 | self::prune( 10 ); |
| 1003 | Stats::prune(); |
| 1004 | Debug_Log::expire_if_due(); |
| 1005 | Debug_Log::prune(); |
| 1006 | } |
| 1007 | |
| 1008 | /** |
| 1009 | * Fill the search columns of rows logged before they existed, a batch at a time. Only fills; |
| 1010 | * restarting it is harmless. Runs on admin pages and the hourly job, never on the front end. |
| 1011 | * |
| 1012 | * @since $$next-version$$ |
| 1013 | * |
| 1014 | * @param float $budget_seconds Time to spend. |
| 1015 | * @return bool Whether every older row is done. |
| 1016 | */ |
| 1017 | public static function backfill_batch( $budget_seconds = 2.0 ) { |
| 1018 | global $wpdb; |
| 1019 | $cursor = get_option( self::FIELDS_BACKFILL_OPTION, false ); |
| 1020 | if ( false === $cursor || ! self::has_v4_schema() ) { |
| 1021 | return true; |
| 1022 | } |
| 1023 | |
| 1024 | $state = Stats::backfill_state(); |
| 1025 | $until = null === $state ? self::max_id() : $state['until_id']; |
| 1026 | $table = self::table_name(); |
| 1027 | $cursor = (int) $cursor; |
| 1028 | $started = microtime( true ); |
| 1029 | // Sizes first, so one run reads at most FIELDS_BATCH_BYTES of bodies, and always at least one row. |
| 1030 | $sizes = (array) $wpdb->get_results( $wpdb->prepare( 'SELECT id, LENGTH(message) AS bytes FROM %i WHERE id > %d AND id <= %d ORDER BY id LIMIT %d', $table, $cursor, $until, self::FIELDS_BATCH ), ARRAY_A ); |
| 1031 | $take = 0; |
| 1032 | $bytes = 0; |
| 1033 | foreach ( $sizes as $size ) { |
| 1034 | $bytes += (int) ( $size['bytes'] ?? 0 ); |
| 1035 | if ( $take > 0 && $bytes > self::FIELDS_BATCH_BYTES ) { |
| 1036 | break; |
| 1037 | } |
| 1038 | ++$take; |
| 1039 | } |
| 1040 | $rows = $take > 0 ? (array) $wpdb->get_results( $wpdb->prepare( 'SELECT id, message FROM %i WHERE id > %d AND id <= %d ORDER BY id LIMIT %d', $table, $cursor, $until, $take ), ARRAY_A ) : array(); |
| 1041 | foreach ( $rows as $row ) { |
| 1042 | $message = is_string( $row['message'] ) ? json_decode( $row['message'], true ) : null; |
| 1043 | $stripped = is_array( $message ) ? self::strip_sign_in_links( $message ) : null; |
| 1044 | $fields = self::search_fields( $stripped ); |
| 1045 | $formats = array( '%s', '%s', '%s' ); |
| 1046 | // Older rows kept sign-in links in their stored copy; the copy loses them too, as new rows do. |
| 1047 | if ( is_array( $stripped ) && $stripped !== $message ) { |
| 1048 | $encoded = wp_json_encode( $stripped, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE ); |
| 1049 | if ( false !== $encoded ) { |
| 1050 | $fields['message'] = $encoded; |
| 1051 | $formats[] = '%s'; |
| 1052 | } |
| 1053 | } |
| 1054 | $wpdb->update( $table, $fields, array( 'id' => (int) $row['id'] ), $formats, array( '%d' ) ); |
| 1055 | $cursor = (int) $row['id']; |
| 1056 | if ( microtime( true ) - $started > $budget_seconds ) { |
| 1057 | break; |
| 1058 | } |
| 1059 | } |
| 1060 | |
| 1061 | $done = count( $sizes ) < self::FIELDS_BATCH && count( $rows ) === count( $sizes ) && ( array() === $rows || (int) end( $rows )['id'] === $cursor ); |
| 1062 | if ( $done ) { |
| 1063 | delete_option( self::FIELDS_BACKFILL_OPTION ); |
| 1064 | } else { |
| 1065 | update_option( self::FIELDS_BACKFILL_OPTION, $cursor, false ); |
| 1066 | } |
| 1067 | return $done; |
| 1068 | } |
| 1069 | |
| 1070 | /** |
| 1071 | * Emails handed to the mail service since a UTC time: every sent row, tests included, since |
| 1072 | * tests use the plan's sends too. |
| 1073 | * |
| 1074 | * @param string $since_utc UTC `Y-m-d H:i:s`. |
| 1075 | * @return array{emails: int, tests: int} |
| 1076 | */ |
| 1077 | public static function sent_counts( $since_utc ) { |
| 1078 | global $wpdb; |
| 1079 | if ( ! self::is_installed() ) { |
| 1080 | return array( |
| 1081 | 'emails' => 0, |
| 1082 | 'tests' => 0, |
| 1083 | ); |
| 1084 | } |
| 1085 | $row = $wpdb->get_row( $wpdb->prepare( "SELECT COUNT(*) AS emails, SUM( CASE WHEN source = 'test' THEN 1 ELSE 0 END ) AS tests FROM %i WHERE created_at >= %s AND status = %s", self::table_name(), $since_utc, self::STATUS_SENT ), ARRAY_A ); |
| 1086 | return array( |
| 1087 | 'emails' => (int) ( $row['emails'] ?? 0 ), |
| 1088 | 'tests' => (int) ( $row['tests'] ?? 0 ), |
| 1089 | ); |
| 1090 | } |
| 1091 | |
| 1092 | /** |
| 1093 | * Non-test emails per site-local day and status since a UTC time. |
| 1094 | * |
| 1095 | * @param string $since_utc UTC `Y-m-d H:i:s`; rows at or after it count. |
| 1096 | * @param int $offset Site timezone offset from UTC, in seconds. |
| 1097 | * @return array<int, array{d: string, status: string, n: string}> |
| 1098 | */ |
| 1099 | public static function stats( $since_utc, $offset ) { |
| 1100 | global $wpdb; |
| 1101 | if ( ! self::is_installed() ) { |
| 1102 | return array(); |
| 1103 | } |
| 1104 | // A negative INTERVAL comes back NULL under the SQLite integration, so shift west with DATE_SUB. |
| 1105 | $sql = (int) $offset >= 0 |
| 1106 | ? "SELECT DATE(DATE_ADD(created_at, INTERVAL %d SECOND)) AS d, status, COUNT(*) AS n FROM %i WHERE created_at >= %s AND source <> 'test' GROUP BY d, status" |
| 1107 | : "SELECT DATE(DATE_SUB(created_at, INTERVAL %d SECOND)) AS d, status, COUNT(*) AS n FROM %i WHERE created_at >= %s AND source <> 'test' GROUP BY d, status"; |
| 1108 | $rows = $wpdb->get_results( $wpdb->prepare( $sql, abs( (int) $offset ), self::table_name(), $since_utc ), ARRAY_A ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- $sql is one of the two literals above. |
| 1109 | return is_array( $rows ) ? $rows : array(); |
| 1110 | } |
| 1111 | |
| 1112 | /** |
| 1113 | * Test emails since a UTC time. |
| 1114 | * |
| 1115 | * @param string $since_utc UTC `Y-m-d H:i:s`. |
| 1116 | * @return int |
| 1117 | */ |
| 1118 | public static function test_count( $since_utc ) { |
| 1119 | global $wpdb; |
| 1120 | if ( ! self::is_installed() ) { |
| 1121 | return 0; |
| 1122 | } |
| 1123 | return (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM %i WHERE created_at >= %s AND source = 'test'", self::table_name(), $since_utc ) ); |
| 1124 | } |
| 1125 | |
| 1126 | /** |
| 1127 | * Non-test emails per origin since a UTC time, most first. Rows logged before origins existed are left out. |
| 1128 | * |
| 1129 | * @param string $since_utc UTC `Y-m-d H:i:s`. |
| 1130 | * @return array<int, array{origin: string, n: string}> |
| 1131 | */ |
| 1132 | public static function origins( $since_utc ) { |
| 1133 | global $wpdb; |
| 1134 | if ( ! self::is_installed() ) { |
| 1135 | return array(); |
| 1136 | } |
| 1137 | $rows = $wpdb->get_results( $wpdb->prepare( "SELECT origin, COUNT(*) AS n FROM %i WHERE created_at >= %s AND source <> 'test' AND origin <> '' GROUP BY origin ORDER BY n DESC", self::table_name(), $since_utc ), ARRAY_A ); |
| 1138 | return is_array( $rows ) ? $rows : array(); |
| 1139 | } |
| 1140 | |
| 1141 | /** |
| 1142 | * The newest row's id, 0 when the table is empty: a cheap way to tell whether anything was logged. |
| 1143 | * |
| 1144 | * @return int |
| 1145 | */ |
| 1146 | public static function max_id() { |
| 1147 | if ( ! self::is_installed() ) { |
| 1148 | return 0; |
| 1149 | } |
| 1150 | return self::max_id_raw(); |
| 1151 | } |
| 1152 | |
| 1153 | /** |
| 1154 | * The newest row's id, whatever the stored version: the upgrade reads it before storing its own. |
| 1155 | * |
| 1156 | * @return int |
| 1157 | */ |
| 1158 | private static function max_id_raw() { |
| 1159 | global $wpdb; |
| 1160 | return (int) $wpdb->get_var( $wpdb->prepare( 'SELECT MAX(id) FROM %i', self::table_name() ) ); |
| 1161 | } |
| 1162 | |
| 1163 | /** |
| 1164 | * When the newest non-test email was logged. |
| 1165 | * |
| 1166 | * @return string|null UTC `Y-m-d H:i:s`, or null when there is none. |
| 1167 | */ |
| 1168 | public static function last_email_at() { |
| 1169 | global $wpdb; |
| 1170 | if ( ! self::is_installed() ) { |
| 1171 | return null; |
| 1172 | } |
| 1173 | $value = $wpdb->get_var( $wpdb->prepare( "SELECT MAX(created_at) FROM %i WHERE source <> 'test'", self::table_name() ) ); |
| 1174 | return is_string( $value ) && '' !== $value ? $value : null; |
| 1175 | } |
| 1176 | |
| 1177 | /** |
| 1178 | * Whether the log holds any email the site sent (tests don't count). Stops at the first one. |
| 1179 | * |
| 1180 | * @return bool |
| 1181 | */ |
| 1182 | public static function has_history() { |
| 1183 | global $wpdb; |
| 1184 | if ( ! self::is_installed() ) { |
| 1185 | return false; |
| 1186 | } |
| 1187 | return null !== $wpdb->get_var( $wpdb->prepare( "SELECT 1 FROM %i WHERE source <> 'test' LIMIT 1", self::table_name() ) ); |
| 1188 | } |
| 1189 | |
| 1190 | /** |
| 1191 | * A user's display name for the Log and the debug log. |
| 1192 | * |
| 1193 | * @since $$next-version$$ |
| 1194 | * |
| 1195 | * @param int $user_id User id; 0 for automatic work. |
| 1196 | * @return string '' for 0, and "a former user" once the account is gone. |
| 1197 | */ |
| 1198 | public static function user_name( $user_id ) { |
| 1199 | if ( (int) $user_id < 1 ) { |
| 1200 | return ''; |
| 1201 | } |
| 1202 | $user = get_userdata( (int) $user_id ); |
| 1203 | if ( ! $user ) { |
| 1204 | return __( 'a former user', 'jetpack-send-pkg' ); |
| 1205 | } |
| 1206 | return '' !== (string) $user->display_name ? (string) $user->display_name : (string) $user->user_login; |
| 1207 | } |
| 1208 | |
| 1209 | /** |
| 1210 | * A stored UTC time as ISO 8601. |
| 1211 | * |
| 1212 | * @param string $utc UTC `Y-m-d H:i:s`. |
| 1213 | * @return string |
| 1214 | */ |
| 1215 | public static function iso( $utc ) { |
| 1216 | return gmdate( 'Y-m-d\\TH:i:s\\Z', (int) strtotime( $utc . ' UTC' ) ); |
| 1217 | } |
| 1218 | |
| 1219 | /** |
| 1220 | * The cached stats' generation; cached stats from another one aren't used. |
| 1221 | * |
| 1222 | * @since $$next-version$$ |
| 1223 | * |
| 1224 | * @return int |
| 1225 | */ |
| 1226 | public static function stats_gen() { |
| 1227 | return (int) get_option( self::STATS_GEN_OPTION, 0 ); |
| 1228 | } |
| 1229 | |
| 1230 | /** |
| 1231 | * Forget the cached stats for every range. |
| 1232 | * |
| 1233 | * @return void |
| 1234 | */ |
| 1235 | public static function clear_stats_cache() { |
| 1236 | update_option( self::STATS_GEN_OPTION, self::stats_gen() + 1, false ); |
| 1237 | foreach ( array_unique( array_merge( self::STATS_RANGES, Period::PRESETS ) ) as $range ) { |
| 1238 | delete_transient( self::STATS_TRANSIENT . $range ); |
| 1239 | } |
| 1240 | } |
| 1241 | |
| 1242 | /** |
| 1243 | * Drop the log, counts and debug tables and every option they use (uninstall). |
| 1244 | * |
| 1245 | * @return void |
| 1246 | */ |
| 1247 | public static function drop_table() { |
| 1248 | global $wpdb; |
| 1249 | $wpdb->query( $wpdb->prepare( 'DROP TABLE IF EXISTS %i', self::table_name() ) ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.SchemaChange -- Uninstall. |
| 1250 | Stats::drop(); |
| 1251 | Debug_Log::drop(); |
| 1252 | wp_clear_scheduled_hook( self::PRUNE_HOOK ); |
| 1253 | self::clear_stats_cache(); |
| 1254 | foreach ( array( self::DB_VERSION_OPTION, self::FIELDS_BACKFILL_OPTION, self::STATS_GEN_OPTION, Resend::TIMES_OPTION ) as $option ) { |
| 1255 | delete_option( $option ); |
| 1256 | } |
| 1257 | delete_transient( self::UPGRADE_RETRY_TRANSIENT ); |
| 1258 | Lock::delete_all(); |
| 1259 | } |
| 1260 | } |