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PHP Cross Reference of WordPress Trunk (Updated Daily) |
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1 <?php 2 /** 3 * These functions can be replaced via plugins. If plugins do not redefine these 4 * functions, then these will be used instead. 5 * 6 * @package WordPress 7 */ 8 9 if ( ! function_exists( 'wp_set_current_user' ) ) : 10 /** 11 * Changes the current user by ID or name. 12 * 13 * Set $id to null and specify a name if you do not know a user's ID. 14 * 15 * Some WordPress functionality is based on the current user and not based on 16 * the signed in user. Therefore, it opens the ability to edit and perform 17 * actions on users who aren't signed in. 18 * 19 * @since 2.0.3 20 * 21 * @global WP_User $current_user The current user object which holds the user data. 22 * 23 * @param int|null $id User ID. 24 * @param string $name User's username. 25 * @return WP_User Current user User object. 26 */ 27 function wp_set_current_user( $id, $name = '' ) { 28 global $current_user; 29 30 // If `$id` matches the current user, there is nothing to do. 31 if ( isset( $current_user ) 32 && ( $current_user instanceof WP_User ) 33 && ( $id === $current_user->ID ) 34 && ( null !== $id ) 35 ) { 36 return $current_user; 37 } 38 39 $current_user = new WP_User( $id, $name ); 40 41 setup_userdata( $current_user->ID ); 42 43 /** 44 * Fires after the current user is set. 45 * 46 * @since 2.0.1 47 */ 48 do_action( 'set_current_user' ); 49 50 return $current_user; 51 } 52 endif; 53 54 if ( ! function_exists( 'wp_get_current_user' ) ) : 55 /** 56 * Retrieves the current user object. 57 * 58 * Will set the current user, if the current user is not set. The current user 59 * will be set to the logged-in person. If no user is logged-in, then it will 60 * set the current user to 0, which is invalid and won't have any permissions. 61 * 62 * @since 2.0.3 63 * 64 * @see _wp_get_current_user() 65 * @global WP_User $current_user Checks if the current user is set. 66 * 67 * @return WP_User Current WP_User instance. 68 */ 69 function wp_get_current_user() { 70 return _wp_get_current_user(); 71 } 72 endif; 73 74 if ( ! function_exists( 'get_userdata' ) ) : 75 /** 76 * Retrieves user info by user ID. 77 * 78 * @since 0.71 79 * 80 * @param int $user_id User ID 81 * @return WP_User|false WP_User object on success, false on failure. 82 */ 83 function get_userdata( $user_id ) { 84 return get_user_by( 'id', $user_id ); 85 } 86 endif; 87 88 if ( ! function_exists( 'get_user_by' ) ) : 89 /** 90 * Retrieves user info by a given field. 91 * 92 * @since 2.8.0 93 * @since 4.4.0 Added 'ID' as an alias of 'id' for the `$field` parameter. 94 * 95 * @global WP_User $current_user The current user object which holds the user data. 96 * 97 * @param string $field The field to retrieve the user with. id | ID | slug | email | login. 98 * @param int|string $value A value for $field. A user ID, slug, email address, or login name. 99 * @return WP_User|false WP_User object on success, false on failure. 100 */ 101 function get_user_by( $field, $value ) { 102 $userdata = WP_User::get_data_by( $field, $value ); 103 104 if ( ! $userdata ) { 105 return false; 106 } 107 108 $user = new WP_User(); 109 $user->init( $userdata ); 110 111 return $user; 112 } 113 endif; 114 115 if ( ! function_exists( 'cache_users' ) ) : 116 /** 117 * Retrieves info for user lists to prevent multiple queries by get_userdata(). 118 * 119 * @since 3.0.0 120 * 121 * @global wpdb $wpdb WordPress database abstraction object. 122 * 123 * @param int[] $user_ids User ID numbers list 124 */ 125 function cache_users( $user_ids ) { 126 global $wpdb; 127 128 update_meta_cache( 'user', $user_ids ); 129 130 $clean = _get_non_cached_ids( $user_ids, 'users' ); 131 132 if ( empty( $clean ) ) { 133 return; 134 } 135 136 $list = implode( ',', $clean ); 137 138 $users = $wpdb->get_results( "SELECT * FROM $wpdb->users WHERE ID IN ($list)" ); 139 140 foreach ( $users as $user ) { 141 update_user_caches( $user ); 142 } 143 } 144 endif; 145 146 if ( ! function_exists( 'wp_mail' ) ) : 147 /** 148 * Sends an email, similar to PHP's mail function. 149 * 150 * A true return value does not automatically mean that the user received the 151 * email successfully. It just only means that the method used was able to 152 * process the request without any errors. 153 * 154 * The default content type is `text/plain` which does not allow using HTML. 155 * However, you can set the content type of the email by using the 156 * {@see 'wp_mail_content_type'} filter. 157 * 158 * The default charset is based on the charset used on the blog. The charset can 159 * be set using the {@see 'wp_mail_charset'} filter. 160 * 161 * When using the `$embeds` parameter to embed images for use in HTML emails, 162 * reference the embedded file in your HTML with a `cid:` URL whose value 163 * matches the file's Content-ID. By default, the Content-ID (`cid`) used for 164 * each embedded file is the key in the embeds array, unless modified via the 165 * {@see 'wp_mail_embed_args'} filter. For example: 166 * 167 * `<img src="cid:0" alt="Logo">` 168 * `<img src="cid:my-image" alt="Image">` 169 * 170 * You may also customize the Content-ID for each file by using the 171 * {@see 'wp_mail_embed_args'} filter and setting the `cid` value. 172 * 173 * @since 1.2.1 174 * @since 5.5.0 is_email() is used for email validation, 175 * instead of PHPMailer's default validator. 176 * @since 6.9.0 Added $embeds parameter. 177 * 178 * @global PHPMailer\PHPMailer\PHPMailer $phpmailer 179 * 180 * @param string|string[] $to Array or comma-separated list of email addresses to send message. 181 * @param string $subject Email subject. 182 * @param string $message Message contents. 183 * @param string|string[] $headers Optional. Additional headers. 184 * @param string|string[] $attachments Optional. Paths to files to attach. 185 * @param string|string[] $embeds Optional. Paths to files to embed. 186 * @return bool Whether the email was sent successfully. 187 */ 188 function wp_mail( $to, $subject, $message, $headers = '', $attachments = array(), $embeds = array() ) { 189 // Compact the input, apply the filters, and extract them back out. 190 191 /** 192 * Filters the wp_mail() arguments. 193 * 194 * @since 2.2.0 195 * 196 * @param array $args { 197 * Array of the `wp_mail()` arguments. 198 * 199 * @type string|string[] $to Array or comma-separated list of email addresses to send message. 200 * @type string $subject Email subject. 201 * @type string $message Message contents. 202 * @type string|string[] $headers Additional headers. 203 * @type string|string[] $attachments Paths to files to attach. 204 * @type string|string[] $embeds Paths to files to embed. 205 * } 206 */ 207 $atts = apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers', 'attachments', 'embeds' ) ); 208 209 /** 210 * Filters whether to preempt sending an email. 211 * 212 * Returning a non-null value will short-circuit {@see wp_mail()}, returning 213 * that value instead. A boolean return value should be used to indicate whether 214 * the email was successfully sent. 215 * 216 * @since 5.7.0 217 * 218 * @param null|bool $return Short-circuit return value. 219 * @param array $atts { 220 * Array of the `wp_mail()` arguments. 221 * 222 * @type string|string[] $to Array or comma-separated list of email addresses to send message. 223 * @type string $subject Email subject. 224 * @type string $message Message contents. 225 * @type string|string[] $headers Additional headers. 226 * @type string|string[] $attachments Paths to files to attach. 227 * @type string|string[] $embeds Paths to files to embed. 228 * } 229 */ 230 $pre_wp_mail = apply_filters( 'pre_wp_mail', null, $atts ); 231 232 if ( null !== $pre_wp_mail ) { 233 return $pre_wp_mail; 234 } 235 236 if ( isset( $atts['to'] ) ) { 237 $to = $atts['to']; 238 } 239 240 if ( ! is_array( $to ) ) { 241 $to = explode( ',', $to ); 242 } 243 244 if ( isset( $atts['subject'] ) ) { 245 $subject = $atts['subject']; 246 } 247 248 if ( isset( $atts['message'] ) ) { 249 $message = $atts['message']; 250 } 251 252 if ( isset( $atts['headers'] ) ) { 253 $headers = $atts['headers']; 254 } 255 256 if ( isset( $atts['attachments'] ) ) { 257 $attachments = $atts['attachments']; 258 } 259 260 if ( ! is_array( $attachments ) ) { 261 $attachments = explode( "\n", str_replace( "\r\n", "\n", $attachments ) ); 262 } 263 264 if ( isset( $atts['embeds'] ) ) { 265 $embeds = $atts['embeds']; 266 } 267 268 if ( ! is_array( $embeds ) ) { 269 $embeds = explode( "\n", str_replace( "\r\n", "\n", $embeds ) ); 270 } 271 272 global $phpmailer; 273 274 // (Re)create it, if it's gone missing. 275 if ( ! ( $phpmailer instanceof PHPMailer\PHPMailer\PHPMailer ) ) { 276 require_once ABSPATH . WPINC . '/PHPMailer/PHPMailer.php'; 277 require_once ABSPATH . WPINC . '/PHPMailer/SMTP.php'; 278 require_once ABSPATH . WPINC . '/PHPMailer/Exception.php'; 279 require_once ABSPATH . WPINC . '/class-wp-phpmailer.php'; 280 $phpmailer = new WP_PHPMailer( true ); 281 282 $phpmailer::$validator = static function ( $email ) { 283 return (bool) is_email( $email ); 284 }; 285 } 286 287 // Headers. 288 $cc = array(); 289 $bcc = array(); 290 $reply_to = array(); 291 292 if ( empty( $headers ) ) { 293 $headers = array(); 294 } else { 295 if ( ! is_array( $headers ) ) { 296 /* 297 * Explode the headers out, so this function can take 298 * both string headers and an array of headers. 299 */ 300 $tempheaders = explode( "\n", str_replace( "\r\n", "\n", $headers ) ); 301 } else { 302 $tempheaders = $headers; 303 } 304 $headers = array(); 305 306 // If it's actually got contents. 307 if ( ! empty( $tempheaders ) ) { 308 // Iterate through the raw headers. 309 foreach ( (array) $tempheaders as $header ) { 310 if ( ! str_contains( $header, ':' ) ) { 311 if ( false !== stripos( $header, 'boundary=' ) ) { 312 $parts = preg_split( '/boundary=/i', trim( $header ) ); 313 $boundary = trim( str_replace( array( "'", '"' ), '', $parts[1] ) ); 314 } 315 continue; 316 } 317 // Explode them out. 318 list( $name, $content ) = explode( ':', trim( $header ), 2 ); 319 320 // Cleanup crew. 321 $name = trim( $name ); 322 $content = trim( $content ); 323 324 switch ( strtolower( $name ) ) { 325 // Mainly for legacy -- process a "From:" header if it's there. 326 case 'from': 327 $bracket_pos = strpos( $content, '<' ); 328 if ( false !== $bracket_pos ) { 329 // Text before the bracketed email is the "From" name. 330 if ( $bracket_pos > 0 ) { 331 $from_name = substr( $content, 0, $bracket_pos ); 332 $from_name = str_replace( '"', '', $from_name ); 333 $from_name = trim( $from_name ); 334 } 335 336 $from_email = substr( $content, $bracket_pos + 1 ); 337 $from_email = str_replace( '>', '', $from_email ); 338 $from_email = trim( $from_email ); 339 340 // Avoid setting an empty $from_email. 341 } elseif ( '' !== trim( $content ) ) { 342 $from_email = trim( $content ); 343 } 344 break; 345 case 'content-type': 346 if ( str_contains( $content, ';' ) ) { 347 list( $type, $charset_content ) = explode( ';', $content ); 348 $content_type = trim( $type ); 349 if ( false !== stripos( $charset_content, 'charset=' ) ) { 350 $charset = trim( str_replace( array( 'charset=', '"' ), '', $charset_content ) ); 351 } elseif ( false !== stripos( $charset_content, 'boundary=' ) ) { 352 $boundary = trim( str_replace( array( 'BOUNDARY=', 'boundary=', '"' ), '', $charset_content ) ); 353 $charset = ''; 354 } 355 356 // Avoid setting an empty $content_type. 357 } elseif ( '' !== trim( $content ) ) { 358 $content_type = trim( $content ); 359 } 360 break; 361 case 'cc': 362 $cc = array_merge( (array) $cc, explode( ',', $content ) ); 363 break; 364 case 'bcc': 365 $bcc = array_merge( (array) $bcc, explode( ',', $content ) ); 366 break; 367 case 'reply-to': 368 $reply_to = array_merge( (array) $reply_to, explode( ',', $content ) ); 369 break; 370 default: 371 // Add it to our grand headers array. 372 $headers[ trim( $name ) ] = trim( $content ); 373 break; 374 } 375 } 376 } 377 } 378 379 // Empty out the values that may be set. 380 $phpmailer->clearAllRecipients(); 381 $phpmailer->clearAttachments(); 382 $phpmailer->clearCustomHeaders(); 383 $phpmailer->clearReplyTos(); 384 $phpmailer->Body = ''; 385 $phpmailer->AltBody = ''; 386 387 // Set "From" name and email. 388 389 // If we don't have a name from the input headers. 390 if ( ! isset( $from_name ) ) { 391 $from_name = 'WordPress'; 392 } 393 394 /* 395 * If we don't have an email from the input headers, default to wordpress@$sitename 396 * Some hosts will block outgoing mail from this address if it doesn't exist, 397 * but there's no easy alternative. Defaulting to admin_email might appear to be 398 * another option, but some hosts may refuse to relay mail from an unknown domain. 399 * See https://core.trac.wordpress.org/ticket/5007. 400 */ 401 if ( ! isset( $from_email ) ) { 402 // Get the site domain and get rid of www. 403 $sitename = wp_parse_url( network_home_url(), PHP_URL_HOST ); 404 $from_email = 'wordpress@'; 405 406 if ( null !== $sitename ) { 407 if ( str_starts_with( $sitename, 'www.' ) ) { 408 $sitename = substr( $sitename, 4 ); 409 } 410 411 $from_email .= $sitename; 412 } 413 } 414 415 /** 416 * Filters the email address to send from. 417 * 418 * @since 2.2.0 419 * 420 * @param string $from_email Email address to send from. 421 */ 422 $from_email = apply_filters( 'wp_mail_from', $from_email ); 423 424 /** 425 * Filters the name to associate with the "from" email address. 426 * 427 * @since 2.3.0 428 * 429 * @param string $from_name Name associated with the "from" email address. 430 */ 431 $from_name = apply_filters( 'wp_mail_from_name', $from_name ); 432 433 try { 434 $phpmailer->setFrom( $from_email, $from_name, false ); 435 } catch ( PHPMailer\PHPMailer\Exception $e ) { 436 $mail_error_data = compact( 'to', 'subject', 'message', 'headers', 'attachments' ); 437 $mail_error_data['phpmailer_exception_code'] = $e->getCode(); 438 439 /** This filter is documented in wp-includes/pluggable.php */ 440 do_action( 'wp_mail_failed', new WP_Error( 'wp_mail_failed', $e->getMessage(), $mail_error_data ) ); 441 442 return false; 443 } 444 445 // Set mail's subject and body. 446 $phpmailer->Subject = $subject; 447 $phpmailer->Body = $message; 448 449 // Set destination addresses, using appropriate methods for handling addresses. 450 $address_headers = compact( 'to', 'cc', 'bcc', 'reply_to' ); 451 452 foreach ( $address_headers as $address_header => $addresses ) { 453 if ( empty( $addresses ) ) { 454 continue; 455 } 456 457 foreach ( (array) $addresses as $address ) { 458 try { 459 // Break $recipient into name and address parts if in the format "Foo <bar@baz.com>". 460 $recipient_name = ''; 461 462 if ( preg_match( '/(.*)<(.+)>/', $address, $matches ) ) { 463 if ( count( $matches ) === 3 ) { 464 $recipient_name = $matches[1]; 465 $address = $matches[2]; 466 } 467 } 468 469 switch ( $address_header ) { 470 case 'to': 471 $phpmailer->addAddress( $address, $recipient_name ); 472 break; 473 case 'cc': 474 $phpmailer->addCC( $address, $recipient_name ); 475 break; 476 case 'bcc': 477 $phpmailer->addBCC( $address, $recipient_name ); 478 break; 479 case 'reply_to': 480 $phpmailer->addReplyTo( $address, $recipient_name ); 481 break; 482 } 483 } catch ( PHPMailer\PHPMailer\Exception $e ) { 484 continue; 485 } 486 } 487 } 488 489 // Set to use PHP's mail(). 490 $phpmailer->isMail(); 491 492 // Set Content-Type and charset. 493 494 // If we don't have a Content-Type from the input headers. 495 if ( ! isset( $content_type ) ) { 496 $content_type = 'text/plain'; 497 } 498 499 /** 500 * Filters the wp_mail() content type. 501 * 502 * @since 2.3.0 503 * 504 * @param string $content_type Default wp_mail() content type. 505 */ 506 $content_type = apply_filters( 'wp_mail_content_type', $content_type ); 507 508 $phpmailer->ContentType = $content_type; 509 510 // Set whether it's plaintext, depending on $content_type. 511 if ( 'text/html' === $content_type ) { 512 $phpmailer->isHTML( true ); 513 } 514 515 // If we don't have a charset from the input headers. 516 if ( ! isset( $charset ) ) { 517 $charset = get_bloginfo( 'charset' ); 518 } 519 520 /** 521 * Filters the default wp_mail() charset. 522 * 523 * @since 2.3.0 524 * 525 * @param string $charset Default email charset. 526 */ 527 $phpmailer->CharSet = apply_filters( 'wp_mail_charset', $charset ); 528 529 // Set custom headers. 530 if ( ! empty( $headers ) ) { 531 foreach ( (array) $headers as $name => $content ) { 532 // Only add custom headers not added automatically by PHPMailer. 533 if ( ! in_array( $name, array( 'MIME-Version', 'X-Mailer' ), true ) ) { 534 try { 535 $phpmailer->addCustomHeader( sprintf( '%1$s: %2$s', $name, $content ) ); 536 } catch ( PHPMailer\PHPMailer\Exception $e ) { 537 continue; 538 } 539 } 540 } 541 542 if ( false !== stripos( $content_type, 'multipart' ) && ! empty( $boundary ) ) { 543 $phpmailer->addCustomHeader( sprintf( 'Content-Type: %s; boundary="%s"', $content_type, $boundary ) ); 544 } 545 } 546 547 if ( ! empty( $attachments ) ) { 548 foreach ( $attachments as $filename => $attachment ) { 549 $filename = is_string( $filename ) ? $filename : ''; 550 551 try { 552 $phpmailer->addAttachment( $attachment, $filename ); 553 } catch ( PHPMailer\PHPMailer\Exception $e ) { 554 continue; 555 } 556 } 557 } 558 559 if ( ! empty( $embeds ) ) { 560 foreach ( $embeds as $key => $embed_path ) { 561 /** 562 * Filters the arguments for PHPMailer's addEmbeddedImage() method. 563 * 564 * @since 6.9.0 565 * 566 * @param array $args { 567 * An array of arguments for `addEmbeddedImage()`. 568 * @type string $path The path to the file. 569 * @type string $cid The Content-ID of the image. Default: The key in the embeds array. 570 * @type string $name The filename of the image. 571 * @type string $encoding The encoding of the image. Default: 'base64'. 572 * @type string $type The MIME type of the image. Default: empty string, which lets PHPMailer auto-detect. 573 * @type string $disposition The disposition of the image. Default: 'inline'. 574 * } 575 */ 576 $embed_args = apply_filters( 577 'wp_mail_embed_args', 578 array( 579 'path' => $embed_path, 580 'cid' => (string) $key, 581 'name' => basename( $embed_path ), 582 'encoding' => 'base64', 583 'type' => '', 584 'disposition' => 'inline', 585 ) 586 ); 587 588 try { 589 $phpmailer->addEmbeddedImage( 590 $embed_args['path'], 591 $embed_args['cid'], 592 $embed_args['name'], 593 $embed_args['encoding'], 594 $embed_args['type'], 595 $embed_args['disposition'] 596 ); 597 } catch ( PHPMailer\PHPMailer\Exception $e ) { 598 continue; 599 } 600 } 601 } 602 603 /** 604 * Fires after PHPMailer is initialized. 605 * 606 * @since 2.2.0 607 * 608 * @param PHPMailer $phpmailer The PHPMailer instance (passed by reference). 609 */ 610 do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) ); 611 612 $mail_data = compact( 'to', 'subject', 'message', 'headers', 'attachments' ); 613 614 // Send! 615 try { 616 $send = $phpmailer->send(); 617 618 /** 619 * Fires after PHPMailer has successfully sent an email. 620 * 621 * The firing of this action does not necessarily mean that the recipient(s) received the 622 * email successfully. It only means that the `send` method above was able to 623 * process the request without any errors. 624 * 625 * @since 5.9.0 626 * 627 * @param array $mail_data { 628 * An array containing the email recipient(s), subject, message, headers, and attachments. 629 * 630 * @type string[] $to Email addresses to send message. 631 * @type string $subject Email subject. 632 * @type string $message Message contents. 633 * @type string[] $headers Additional headers. 634 * @type string[] $attachments Paths to files to attach. 635 * @type string[] $embeds Paths to files to embed. 636 * } 637 */ 638 do_action( 'wp_mail_succeeded', $mail_data ); 639 640 return $send; 641 } catch ( PHPMailer\PHPMailer\Exception $e ) { 642 $mail_data['phpmailer_exception_code'] = $e->getCode(); 643 644 /** 645 * Fires after a PHPMailer\PHPMailer\Exception is caught. 646 * 647 * @since 4.4.0 648 * 649 * @param WP_Error $error A WP_Error object with the PHPMailer\PHPMailer\Exception message, and an array 650 * containing the mail recipient, subject, message, headers, and attachments. 651 */ 652 do_action( 'wp_mail_failed', new WP_Error( 'wp_mail_failed', $e->getMessage(), $mail_data ) ); 653 654 return false; 655 } 656 } 657 endif; 658 659 if ( ! function_exists( 'wp_authenticate' ) ) : 660 /** 661 * Authenticates a user, confirming the login credentials are valid. 662 * 663 * @since 2.5.0 664 * @since 4.5.0 `$username` now accepts an email address. 665 * 666 * @param string $username User's username or email address. 667 * @param string $password User's password. 668 * @return WP_User|WP_Error WP_User object if the credentials are valid, 669 * otherwise WP_Error. 670 */ 671 function wp_authenticate( 672 $username, 673 #[\SensitiveParameter] 674 $password 675 ) { 676 $username = sanitize_user( $username ); 677 $password = trim( $password ); 678 679 /** 680 * Filters whether a set of user login credentials are valid. 681 * 682 * A WP_User object is returned if the credentials authenticate a user. 683 * WP_Error or null otherwise. 684 * 685 * @since 2.8.0 686 * @since 4.5.0 `$username` now accepts an email address. 687 * 688 * @param null|WP_User|WP_Error $user WP_User if the user is authenticated. 689 * WP_Error or null otherwise. 690 * @param string $username Username or email address. 691 * @param string $password User password. 692 */ 693 $user = apply_filters( 'authenticate', null, $username, $password ); 694 695 if ( null === $user || false === $user ) { 696 /* 697 * TODO: What should the error message be? (Or would these even happen?) 698 * Only needed if all authentication handlers fail to return anything. 699 */ 700 $user = new WP_Error( 'authentication_failed', __( '<strong>Error:</strong> Invalid username, email address or incorrect password.' ) ); 701 } 702 703 $ignore_codes = array( 'empty_username', 'empty_password' ); 704 705 if ( is_wp_error( $user ) && ! in_array( $user->get_error_code(), $ignore_codes, true ) ) { 706 $error = $user; 707 708 /** 709 * Fires after a user login has failed. 710 * 711 * @since 2.5.0 712 * @since 4.5.0 The value of `$username` can now be an email address. 713 * @since 5.4.0 The `$error` parameter was added. 714 * 715 * @param string $username Username or email address. 716 * @param WP_Error $error A WP_Error object with the authentication failure details. 717 */ 718 do_action( 'wp_login_failed', $username, $error ); 719 } 720 721 return $user; 722 } 723 endif; 724 725 if ( ! function_exists( 'wp_logout' ) ) : 726 /** 727 * Logs the current user out. 728 * 729 * @since 2.5.0 730 */ 731 function wp_logout() { 732 $user_id = get_current_user_id(); 733 734 wp_destroy_current_session(); 735 wp_clear_auth_cookie(); 736 wp_set_current_user( 0 ); 737 738 /** 739 * Fires after a user is logged out. 740 * 741 * @since 1.5.0 742 * @since 5.5.0 Added the `$user_id` parameter. 743 * 744 * @param int $user_id ID of the user that was logged out. 745 */ 746 do_action( 'wp_logout', $user_id ); 747 } 748 endif; 749 750 if ( ! function_exists( 'wp_validate_auth_cookie' ) ) : 751 /** 752 * Validates authentication cookie. 753 * 754 * The checks include making sure that the authentication cookie is set and 755 * pulling in the contents (if $cookie is not used). 756 * 757 * Makes sure the cookie is not expired. Verifies the hash in cookie is what is 758 * should be and compares the two. 759 * 760 * @since 2.5.0 761 * 762 * @global int $login_grace_period 763 * 764 * @param string $cookie Optional. If used, will validate contents instead of cookie's. 765 * @param string $scheme Optional. The cookie scheme to use: 'auth', 'secure_auth', or 'logged_in'. 766 * Note: This does *not* default to 'auth' like other cookie functions. 767 * @return int|false User ID if valid cookie, false if invalid. 768 */ 769 function wp_validate_auth_cookie( $cookie = '', $scheme = '' ) { 770 $cookie_elements = wp_parse_auth_cookie( $cookie, $scheme ); 771 if ( ! $cookie_elements ) { 772 /** 773 * Fires if an authentication cookie is malformed. 774 * 775 * @since 2.7.0 776 * 777 * @param string $cookie Malformed auth cookie. 778 * @param string $scheme Authentication scheme. Values include 'auth', 'secure_auth', 779 * or 'logged_in'. 780 */ 781 do_action( 'auth_cookie_malformed', $cookie, $scheme ); 782 return false; 783 } 784 785 $scheme = $cookie_elements['scheme']; 786 $username = $cookie_elements['username']; 787 $hmac = $cookie_elements['hmac']; 788 $token = $cookie_elements['token']; 789 $expiration = $cookie_elements['expiration']; 790 791 $expired = (int) $expiration; 792 793 // Allow a grace period for POST and Ajax requests. 794 if ( wp_doing_ajax() || 'POST' === $_SERVER['REQUEST_METHOD'] ) { 795 $expired += HOUR_IN_SECONDS; 796 } 797 798 // Quick check to see if an honest cookie has expired. 799 if ( $expired < time() ) { 800 /** 801 * Fires once an authentication cookie has expired. 802 * 803 * @since 2.7.0 804 * 805 * @param string[] $cookie_elements { 806 * Authentication cookie components. None of the components should be assumed 807 * to be valid as they come directly from a client-provided cookie value. 808 * 809 * @type string $username User's username. 810 * @type string $expiration The time the cookie expires as a UNIX timestamp. 811 * @type string $token User's session token used. 812 * @type string $hmac The security hash for the cookie. 813 * @type string $scheme The cookie scheme to use. 814 * } 815 */ 816 do_action( 'auth_cookie_expired', $cookie_elements ); 817 return false; 818 } 819 820 $user = get_user_by( 'login', $username ); 821 if ( ! $user ) { 822 /** 823 * Fires if a bad username is entered in the user authentication process. 824 * 825 * @since 2.7.0 826 * 827 * @param string[] $cookie_elements { 828 * Authentication cookie components. None of the components should be assumed 829 * to be valid as they come directly from a client-provided cookie value. 830 * 831 * @type string $username User's username. 832 * @type string $expiration The time the cookie expires as a UNIX timestamp. 833 * @type string $token User's session token used. 834 * @type string $hmac The security hash for the cookie. 835 * @type string $scheme The cookie scheme to use. 836 * } 837 */ 838 do_action( 'auth_cookie_bad_username', $cookie_elements ); 839 return false; 840 } 841 842 if ( str_starts_with( $user->user_pass, '$P$' ) || str_starts_with( $user->user_pass, '$2y$' ) ) { 843 // Retain previous behaviour of phpass or vanilla bcrypt hashed passwords. 844 $pass_frag = substr( $user->user_pass, 8, 4 ); 845 } else { 846 // Otherwise, use a substring from the end of the hash to avoid dealing with potentially long hash prefixes. 847 $pass_frag = substr( $user->user_pass, -4 ); 848 } 849 850 $key = wp_hash( $username . '|' . $pass_frag . '|' . $expiration . '|' . $token, $scheme ); 851 852 $hash = hash_hmac( 'sha256', $username . '|' . $expiration . '|' . $token, $key ); 853 854 if ( ! hash_equals( $hash, $hmac ) ) { 855 /** 856 * Fires if a bad authentication cookie hash is encountered. 857 * 858 * @since 2.7.0 859 * 860 * @param string[] $cookie_elements { 861 * Authentication cookie components. None of the components should be assumed 862 * to be valid as they come directly from a client-provided cookie value. 863 * 864 * @type string $username User's username. 865 * @type string $expiration The time the cookie expires as a UNIX timestamp. 866 * @type string $token User's session token used. 867 * @type string $hmac The security hash for the cookie. 868 * @type string $scheme The cookie scheme to use. 869 * } 870 */ 871 do_action( 'auth_cookie_bad_hash', $cookie_elements ); 872 return false; 873 } 874 875 $manager = WP_Session_Tokens::get_instance( $user->ID ); 876 if ( ! $manager->verify( $token ) ) { 877 /** 878 * Fires if a bad session token is encountered. 879 * 880 * @since 4.0.0 881 * 882 * @param string[] $cookie_elements { 883 * Authentication cookie components. None of the components should be assumed 884 * to be valid as they come directly from a client-provided cookie value. 885 * 886 * @type string $username User's username. 887 * @type string $expiration The time the cookie expires as a UNIX timestamp. 888 * @type string $token User's session token used. 889 * @type string $hmac The security hash for the cookie. 890 * @type string $scheme The cookie scheme to use. 891 * } 892 */ 893 do_action( 'auth_cookie_bad_session_token', $cookie_elements ); 894 return false; 895 } 896 897 // Ajax/POST grace period set above. 898 if ( $expiration < time() ) { 899 $GLOBALS['login_grace_period'] = 1; 900 } 901 902 /** 903 * Fires once an authentication cookie has been validated. 904 * 905 * @since 2.7.0 906 * 907 * @param string[] $cookie_elements { 908 * Authentication cookie components. 909 * 910 * @type string $username User's username. 911 * @type string $expiration The time the cookie expires as a UNIX timestamp. 912 * @type string $token User's session token used. 913 * @type string $hmac The security hash for the cookie. 914 * @type string $scheme The cookie scheme to use. 915 * } 916 * @param WP_User $user User object. 917 */ 918 do_action( 'auth_cookie_valid', $cookie_elements, $user ); 919 920 return $user->ID; 921 } 922 endif; 923 924 if ( ! function_exists( 'wp_generate_auth_cookie' ) ) : 925 /** 926 * Generates authentication cookie contents. 927 * 928 * @since 2.5.0 929 * @since 4.0.0 The `$token` parameter was added. 930 * 931 * @param int $user_id User ID. 932 * @param int $expiration The time the cookie expires as a UNIX timestamp. 933 * @param string $scheme Optional. The cookie scheme to use: 'auth', 'secure_auth', or 'logged_in'. 934 * Default 'auth'. 935 * @param string $token User's session token to use for this cookie. 936 * @return string Authentication cookie contents. Empty string if user does not exist. 937 */ 938 function wp_generate_auth_cookie( $user_id, $expiration, $scheme = 'auth', $token = '' ) { 939 $user = get_userdata( $user_id ); 940 if ( ! $user ) { 941 return ''; 942 } 943 944 if ( ! $token ) { 945 $manager = WP_Session_Tokens::get_instance( $user_id ); 946 $token = $manager->create( $expiration ); 947 } 948 949 if ( str_starts_with( $user->user_pass, '$P$' ) || str_starts_with( $user->user_pass, '$2y$' ) ) { 950 // Retain previous behaviour of phpass or vanilla bcrypt hashed passwords. 951 $pass_frag = substr( $user->user_pass, 8, 4 ); 952 } else { 953 // Otherwise, use a substring from the end of the hash to avoid dealing with potentially long hash prefixes. 954 $pass_frag = substr( $user->user_pass, -4 ); 955 } 956 957 $key = wp_hash( $user->user_login . '|' . $pass_frag . '|' . $expiration . '|' . $token, $scheme ); 958 959 $hash = hash_hmac( 'sha256', $user->user_login . '|' . $expiration . '|' . $token, $key ); 960 961 $cookie = $user->user_login . '|' . $expiration . '|' . $token . '|' . $hash; 962 963 /** 964 * Filters the authentication cookie. 965 * 966 * @since 2.5.0 967 * @since 4.0.0 The `$token` parameter was added. 968 * 969 * @param string $cookie Authentication cookie. 970 * @param int $user_id User ID. 971 * @param int $expiration The time the cookie expires as a UNIX timestamp. 972 * @param string $scheme Cookie scheme used. Accepts 'auth', 'secure_auth', or 'logged_in'. 973 * @param string $token User's session token used. 974 */ 975 return apply_filters( 'auth_cookie', $cookie, $user_id, $expiration, $scheme, $token ); 976 } 977 endif; 978 979 if ( ! function_exists( 'wp_parse_auth_cookie' ) ) : 980 /** 981 * Parses a cookie into its components. 982 * 983 * @since 2.7.0 984 * @since 4.0.0 The `$token` element was added to the return value. 985 * 986 * @param string $cookie Authentication cookie. 987 * @param string $scheme Optional. The cookie scheme to use: 'auth', 'secure_auth', or 'logged_in'. 988 * @return string[]|false { 989 * Authentication cookie components. None of the components should be assumed 990 * to be valid as they come directly from a client-provided cookie value. If 991 * the cookie value is malformed, false is returned. 992 * 993 * @type string $username User's username. 994 * @type string $expiration The time the cookie expires as a UNIX timestamp. 995 * @type string $token User's session token used. 996 * @type string $hmac The security hash for the cookie. 997 * @type string $scheme The cookie scheme to use. 998 * } 999 */ 1000 function wp_parse_auth_cookie( $cookie = '', $scheme = '' ) { 1001 if ( empty( $cookie ) ) { 1002 switch ( $scheme ) { 1003 case 'auth': 1004 $cookie_name = AUTH_COOKIE; 1005 break; 1006 case 'secure_auth': 1007 $cookie_name = SECURE_AUTH_COOKIE; 1008 break; 1009 case 'logged_in': 1010 $cookie_name = LOGGED_IN_COOKIE; 1011 break; 1012 default: 1013 if ( is_ssl() ) { 1014 $cookie_name = SECURE_AUTH_COOKIE; 1015 $scheme = 'secure_auth'; 1016 } else { 1017 $cookie_name = AUTH_COOKIE; 1018 $scheme = 'auth'; 1019 } 1020 } 1021 1022 if ( empty( $_COOKIE[ $cookie_name ] ) ) { 1023 return false; 1024 } 1025 $cookie = $_COOKIE[ $cookie_name ]; 1026 } 1027 1028 $cookie_elements = explode( '|', $cookie ); 1029 if ( count( $cookie_elements ) !== 4 ) { 1030 return false; 1031 } 1032 1033 list( $username, $expiration, $token, $hmac ) = $cookie_elements; 1034 1035 return compact( 'username', 'expiration', 'token', 'hmac', 'scheme' ); 1036 } 1037 endif; 1038 1039 if ( ! function_exists( 'wp_set_auth_cookie' ) ) : 1040 /** 1041 * Sets the authentication cookies based on user ID. 1042 * 1043 * The $remember parameter increases the time that the cookie will be kept. The 1044 * default the cookie is kept without remembering is two days. When $remember is 1045 * set, the cookies will be kept for 14 days or two weeks. 1046 * 1047 * @since 2.5.0 1048 * @since 4.3.0 Added the `$token` parameter. 1049 * 1050 * @param int $user_id User ID. 1051 * @param bool $remember Whether to remember the user. 1052 * @param bool|string $secure Whether the auth cookie should only be sent over HTTPS. Default is an empty 1053 * string which means the value of `is_ssl()` will be used. 1054 * @param string $token Optional. User's session token to use for this cookie. 1055 */ 1056 function wp_set_auth_cookie( $user_id, $remember = false, $secure = '', $token = '' ) { 1057 if ( $remember ) { 1058 /** 1059 * Filters the duration of the authentication cookie expiration period. 1060 * 1061 * @since 2.8.0 1062 * 1063 * @param int $length Duration of the expiration period in seconds. 1064 * @param int $user_id User ID. 1065 * @param bool $remember Whether to remember the user login. Default false. 1066 */ 1067 $expiration = time() + apply_filters( 'auth_cookie_expiration', 14 * DAY_IN_SECONDS, $user_id, $remember ); 1068 1069 /* 1070 * Ensure the browser will continue to send the cookie after the expiration time is reached. 1071 * Needed for the login grace period in wp_validate_auth_cookie(). 1072 */ 1073 $expire = $expiration + ( 12 * HOUR_IN_SECONDS ); 1074 } else { 1075 /** This filter is documented in wp-includes/pluggable.php */ 1076 $expiration = time() + apply_filters( 'auth_cookie_expiration', 2 * DAY_IN_SECONDS, $user_id, $remember ); 1077 $expire = 0; 1078 } 1079 1080 if ( '' === $secure ) { 1081 $secure = is_ssl(); 1082 } 1083 1084 // Front-end cookie is secure when the auth cookie is secure and the site's home URL uses HTTPS. 1085 $secure_logged_in_cookie = $secure && 'https' === parse_url( get_option( 'home' ), PHP_URL_SCHEME ); 1086 1087 /** 1088 * Filters whether the auth cookie should only be sent over HTTPS. 1089 * 1090 * @since 3.1.0 1091 * 1092 * @param bool $secure Whether the cookie should only be sent over HTTPS. 1093 * @param int $user_id User ID. 1094 */ 1095 $secure = apply_filters( 'secure_auth_cookie', $secure, $user_id ); 1096 1097 /** 1098 * Filters whether the logged in cookie should only be sent over HTTPS. 1099 * 1100 * @since 3.1.0 1101 * 1102 * @param bool $secure_logged_in_cookie Whether the logged in cookie should only be sent over HTTPS. 1103 * @param int $user_id User ID. 1104 * @param bool $secure Whether the auth cookie should only be sent over HTTPS. 1105 */ 1106 $secure_logged_in_cookie = apply_filters( 'secure_logged_in_cookie', $secure_logged_in_cookie, $user_id, $secure ); 1107 1108 if ( $secure ) { 1109 $auth_cookie_name = SECURE_AUTH_COOKIE; 1110 $scheme = 'secure_auth'; 1111 } else { 1112 $auth_cookie_name = AUTH_COOKIE; 1113 $scheme = 'auth'; 1114 } 1115 1116 if ( '' === $token ) { 1117 $manager = WP_Session_Tokens::get_instance( $user_id ); 1118 $token = $manager->create( $expiration ); 1119 } 1120 1121 $auth_cookie = wp_generate_auth_cookie( $user_id, $expiration, $scheme, $token ); 1122 $logged_in_cookie = wp_generate_auth_cookie( $user_id, $expiration, 'logged_in', $token ); 1123 1124 /** 1125 * Fires immediately before the authentication cookie is set. 1126 * 1127 * @since 2.5.0 1128 * @since 4.9.0 The `$token` parameter was added. 1129 * 1130 * @param string $auth_cookie Authentication cookie value. 1131 * @param int $expire The time the login grace period expires as a UNIX timestamp. 1132 * Default is 12 hours past the cookie's expiration time. 1133 * @param int $expiration The time when the authentication cookie expires as a UNIX timestamp. 1134 * Default is 14 days from now. 1135 * @param int $user_id User ID. 1136 * @param string $scheme Authentication scheme. Values include 'auth' or 'secure_auth'. 1137 * @param string $token User's session token to use for this cookie. 1138 */ 1139 do_action( 'set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme, $token ); 1140 1141 /** 1142 * Fires immediately before the logged-in authentication cookie is set. 1143 * 1144 * @since 2.6.0 1145 * @since 4.9.0 The `$token` parameter was added. 1146 * 1147 * @param string $logged_in_cookie The logged-in cookie value. 1148 * @param int $expire The time the login grace period expires as a UNIX timestamp. 1149 * Default is 12 hours past the cookie's expiration time. 1150 * @param int $expiration The time when the logged-in authentication cookie expires as a UNIX timestamp. 1151 * Default is 14 days from now. 1152 * @param int $user_id User ID. 1153 * @param string $scheme Authentication scheme. Default 'logged_in'. 1154 * @param string $token User's session token to use for this cookie. 1155 */ 1156 do_action( 'set_logged_in_cookie', $logged_in_cookie, $expire, $expiration, $user_id, 'logged_in', $token ); 1157 1158 /** 1159 * Allows preventing auth cookies from actually being sent to the client. 1160 * 1161 * @since 4.7.4 1162 * @since 6.2.0 The `$expire`, `$expiration`, `$user_id`, `$scheme`, and `$token` parameters were added. 1163 * 1164 * @param bool $send Whether to send auth cookies to the client. Default true. 1165 * @param int $expire The time the login grace period expires as a UNIX timestamp. 1166 * Default is 12 hours past the cookie's expiration time. Zero when clearing cookies. 1167 * @param int $expiration The time when the logged-in authentication cookie expires as a UNIX timestamp. 1168 * Default is 14 days from now. Zero when clearing cookies. 1169 * @param int $user_id User ID. Zero when clearing cookies. 1170 * @param string $scheme Authentication scheme. Values include 'auth' or 'secure_auth'. 1171 * Empty string when clearing cookies. 1172 * @param string $token User's session token to use for this cookie. Empty string when clearing cookies. 1173 */ 1174 if ( ! apply_filters( 'send_auth_cookies', true, $expire, $expiration, $user_id, $scheme, $token ) ) { 1175 return; 1176 } 1177 1178 setcookie( $auth_cookie_name, $auth_cookie, $expire, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN, $secure, true ); 1179 setcookie( $auth_cookie_name, $auth_cookie, $expire, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, $secure, true ); 1180 setcookie( LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true ); 1181 if ( COOKIEPATH !== SITECOOKIEPATH ) { 1182 setcookie( LOGGED_IN_COOKIE, $logged_in_cookie, $expire, SITECOOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true ); 1183 } 1184 } 1185 endif; 1186 1187 if ( ! function_exists( 'wp_clear_auth_cookie' ) ) : 1188 /** 1189 * Removes all of the cookies associated with authentication. 1190 * 1191 * @since 2.5.0 1192 */ 1193 function wp_clear_auth_cookie() { 1194 /** 1195 * Fires just before the authentication cookies are cleared. 1196 * 1197 * @since 2.7.0 1198 */ 1199 do_action( 'clear_auth_cookie' ); 1200 1201 /** This filter is documented in wp-includes/pluggable.php */ 1202 if ( ! apply_filters( 'send_auth_cookies', true, 0, 0, 0, '', '' ) ) { 1203 return; 1204 } 1205 1206 // Auth cookies. 1207 setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN ); 1208 setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN ); 1209 setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN ); 1210 setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN ); 1211 setcookie( LOGGED_IN_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); 1212 setcookie( LOGGED_IN_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN ); 1213 1214 // Settings cookies. 1215 setcookie( 'wp-settings-' . get_current_user_id(), ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH ); 1216 setcookie( 'wp-settings-time-' . get_current_user_id(), ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH ); 1217 1218 // Old cookies. 1219 setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); 1220 setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN ); 1221 setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); 1222 setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN ); 1223 1224 // Even older cookies. 1225 setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); 1226 setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); 1227 setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN ); 1228 setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN ); 1229 1230 // Post password cookie. 1231 setcookie( 'wp-postpass_' . COOKIEHASH, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); 1232 } 1233 endif; 1234 1235 if ( ! function_exists( 'is_user_logged_in' ) ) : 1236 /** 1237 * Determines whether the current visitor is a logged in user. 1238 * 1239 * For more information on this and similar theme functions, check out 1240 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 1241 * Conditional Tags} article in the Theme Developer Handbook. 1242 * 1243 * @since 2.0.0 1244 * 1245 * @return bool True if user is logged in, false if not logged in. 1246 */ 1247 function is_user_logged_in() { 1248 $user = wp_get_current_user(); 1249 1250 return $user->exists(); 1251 } 1252 endif; 1253 1254 if ( ! function_exists( 'auth_redirect' ) ) : 1255 /** 1256 * Checks if a user is logged in, if not it redirects them to the login page. 1257 * 1258 * When this code is called from a page, it checks to see if the user viewing the page is logged in. 1259 * If the user is not logged in, they are redirected to the login page. The user is redirected 1260 * in such a way that, upon logging in, they will be sent directly to the page they were originally 1261 * trying to access. 1262 * 1263 * @since 1.5.0 1264 */ 1265 function auth_redirect() { 1266 $secure = ( is_ssl() || force_ssl_admin() ); 1267 1268 /** 1269 * Filters whether to use a secure authentication redirect. 1270 * 1271 * @since 3.1.0 1272 * 1273 * @param bool $secure Whether to use a secure authentication redirect. Default false. 1274 */ 1275 $secure = apply_filters( 'secure_auth_redirect', $secure ); 1276 1277 // If https is required and request is http, redirect. 1278 if ( $secure && ! is_ssl() && str_contains( $_SERVER['REQUEST_URI'], 'wp-admin' ) ) { 1279 if ( str_starts_with( $_SERVER['REQUEST_URI'], 'http' ) ) { 1280 wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) ); 1281 exit; 1282 } else { 1283 wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); 1284 exit; 1285 } 1286 } 1287 1288 /** 1289 * Filters the authentication redirect scheme. 1290 * 1291 * @since 2.9.0 1292 * 1293 * @param string $scheme Authentication redirect scheme. Default empty. 1294 */ 1295 $scheme = apply_filters( 'auth_redirect_scheme', '' ); 1296 1297 $user_id = wp_validate_auth_cookie( '', $scheme ); 1298 if ( $user_id ) { 1299 /** 1300 * Fires before the authentication redirect. 1301 * 1302 * @since 2.8.0 1303 * 1304 * @param int $user_id User ID. 1305 */ 1306 do_action( 'auth_redirect', $user_id ); 1307 1308 // If the user wants ssl but the session is not ssl, redirect. 1309 if ( ! $secure && get_user_option( 'use_ssl', $user_id ) && str_contains( $_SERVER['REQUEST_URI'], 'wp-admin' ) ) { 1310 if ( str_starts_with( $_SERVER['REQUEST_URI'], 'http' ) ) { 1311 wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) ); 1312 exit; 1313 } else { 1314 wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); 1315 exit; 1316 } 1317 } 1318 1319 return; // The cookie is good, so we're done. 1320 } 1321 1322 // The cookie is no good, so force login. 1323 nocache_headers(); 1324 1325 if ( str_contains( $_SERVER['REQUEST_URI'], '/options.php' ) && wp_get_referer() ) { 1326 $redirect = wp_get_referer(); 1327 } else { 1328 $redirect = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); 1329 } 1330 1331 $login_url = wp_login_url( $redirect, true ); 1332 1333 wp_redirect( $login_url ); 1334 exit; 1335 } 1336 endif; 1337 1338 if ( ! function_exists( 'check_admin_referer' ) ) : 1339 /** 1340 * Ensures intent by verifying that a user was referred from another admin page with the correct security nonce. 1341 * 1342 * This function ensures the user intends to perform a given action, which helps protect against clickjacking style 1343 * attacks. It verifies intent, not authorization, therefore it does not verify the user's capabilities. This should 1344 * be performed with `current_user_can()` or similar. 1345 * 1346 * If the nonce value is invalid, the function will exit with an "Are You Sure?" style message. 1347 * 1348 * @since 1.2.0 1349 * @since 2.5.0 The `$query_arg` parameter was added. 1350 * 1351 * @param int|string $action The nonce action. 1352 * @param string $query_arg Optional. Key to check for nonce in `$_REQUEST`. Default '_wpnonce'. 1353 * @return int|false 1 if the nonce is valid and generated between 0-12 hours ago, 1354 * 2 if the nonce is valid and generated between 12-24 hours ago. 1355 * False if the nonce is invalid. 1356 */ 1357 function check_admin_referer( $action = -1, $query_arg = '_wpnonce' ) { 1358 if ( -1 === $action ) { 1359 _doing_it_wrong( __FUNCTION__, __( 'You should specify an action to be verified by using the first parameter.' ), '3.2.0' ); 1360 } 1361 1362 $adminurl = strtolower( admin_url() ); 1363 $referer = strtolower( wp_get_referer() ); 1364 $result = isset( $_REQUEST[ $query_arg ] ) ? wp_verify_nonce( $_REQUEST[ $query_arg ], $action ) : false; 1365 1366 /** 1367 * Fires once the admin request has been validated or not. 1368 * 1369 * @since 1.5.1 1370 * 1371 * @param string $action The nonce action. 1372 * @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between 1373 * 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago. 1374 */ 1375 do_action( 'check_admin_referer', $action, $result ); 1376 1377 if ( ! $result && ! ( -1 === $action && str_starts_with( $referer, $adminurl ) ) ) { 1378 wp_nonce_ays( $action ); 1379 die(); 1380 } 1381 1382 return $result; 1383 } 1384 endif; 1385 1386 if ( ! function_exists( 'check_ajax_referer' ) ) : 1387 /** 1388 * Verifies the Ajax request to prevent processing requests external of the blog. 1389 * 1390 * @since 2.0.3 1391 * 1392 * @param int|string $action Action nonce. 1393 * @param false|string $query_arg Optional. Key to check for the nonce in `$_REQUEST` (since 2.5). If false, 1394 * `$_REQUEST` values will be evaluated for '_ajax_nonce', and '_wpnonce' 1395 * (in that order). Default false. 1396 * @param bool $stop Optional. Whether to stop early when the nonce cannot be verified. 1397 * Default true. 1398 * @return int|false 1 if the nonce is valid and generated between 0-12 hours ago, 1399 * 2 if the nonce is valid and generated between 12-24 hours ago. 1400 * False if the nonce is invalid. 1401 */ 1402 function check_ajax_referer( $action = -1, $query_arg = false, $stop = true ) { 1403 if ( -1 === $action ) { 1404 _doing_it_wrong( __FUNCTION__, __( 'You should specify an action to be verified by using the first parameter.' ), '4.7.0' ); 1405 } 1406 1407 $nonce = ''; 1408 1409 if ( $query_arg && isset( $_REQUEST[ $query_arg ] ) ) { 1410 $nonce = $_REQUEST[ $query_arg ]; 1411 } elseif ( isset( $_REQUEST['_ajax_nonce'] ) ) { 1412 $nonce = $_REQUEST['_ajax_nonce']; 1413 } elseif ( isset( $_REQUEST['_wpnonce'] ) ) { 1414 $nonce = $_REQUEST['_wpnonce']; 1415 } 1416 1417 $result = wp_verify_nonce( $nonce, $action ); 1418 1419 /** 1420 * Fires once the Ajax request has been validated or not. 1421 * 1422 * @since 2.1.0 1423 * 1424 * @param string $action The Ajax nonce action. 1425 * @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between 1426 * 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago. 1427 */ 1428 do_action( 'check_ajax_referer', $action, $result ); 1429 1430 if ( $stop && false === $result ) { 1431 if ( wp_doing_ajax() ) { 1432 wp_die( -1, 403 ); 1433 } else { 1434 die( '-1' ); 1435 } 1436 } 1437 1438 return $result; 1439 } 1440 endif; 1441 1442 if ( ! function_exists( 'wp_redirect' ) ) : 1443 /** 1444 * Redirects to another page. 1445 * 1446 * Note: wp_redirect() does not exit automatically, and should almost always be 1447 * followed by a call to `exit;`: 1448 * 1449 * wp_redirect( $url ); 1450 * exit; 1451 * 1452 * Exiting can also be selectively manipulated by using wp_redirect() as a conditional 1453 * in conjunction with the {@see 'wp_redirect'} and {@see 'wp_redirect_status'} filters: 1454 * 1455 * if ( wp_redirect( $url ) ) { 1456 * exit; 1457 * } 1458 * 1459 * @since 1.5.1 1460 * @since 5.1.0 The `$x_redirect_by` parameter was added. 1461 * @since 5.4.0 On invalid status codes, wp_die() is called. 1462 * 1463 * @global bool $is_IIS 1464 * 1465 * @param string $location The path or URL to redirect to. 1466 * @param int $status Optional. HTTP response status code to use. Default '302' (Moved Temporarily). 1467 * @param string|false $x_redirect_by Optional. The application doing the redirect or false to omit. Default 'WordPress'. 1468 * @return bool False if the redirect was canceled, true otherwise. 1469 */ 1470 function wp_redirect( $location, $status = 302, $x_redirect_by = 'WordPress' ) { 1471 global $is_IIS; 1472 1473 /** 1474 * Filters the redirect location. 1475 * 1476 * @since 2.1.0 1477 * 1478 * @param string $location The path or URL to redirect to. 1479 * @param int $status The HTTP response status code to use. 1480 */ 1481 $location = apply_filters( 'wp_redirect', $location, $status ); 1482 1483 /** 1484 * Filters the redirect HTTP response status code to use. 1485 * 1486 * @since 2.3.0 1487 * 1488 * @param int $status The HTTP response status code to use. 1489 * @param string $location The path or URL to redirect to. 1490 */ 1491 $status = apply_filters( 'wp_redirect_status', $status, $location ); 1492 1493 if ( ! $location ) { 1494 return false; 1495 } 1496 1497 if ( $status < 300 || 399 < $status ) { 1498 wp_die( __( 'HTTP redirect status code must be a redirection code, 3xx.' ) ); 1499 } 1500 1501 $location = wp_sanitize_redirect( $location ); 1502 1503 if ( ! $is_IIS && 'cgi-fcgi' !== PHP_SAPI ) { 1504 status_header( $status ); // This causes problems on IIS and some FastCGI setups. 1505 } 1506 1507 /** 1508 * Filters the X-Redirect-By header. 1509 * 1510 * Allows applications to identify themselves when they're doing a redirect. 1511 * 1512 * @since 5.1.0 1513 * 1514 * @param string|false $x_redirect_by The application doing the redirect or false to omit the header. 1515 * @param int $status Status code to use. 1516 * @param string $location The path to redirect to. 1517 */ 1518 $x_redirect_by = apply_filters( 'x_redirect_by', $x_redirect_by, $status, $location ); 1519 if ( is_string( $x_redirect_by ) ) { 1520 header( "X-Redirect-By: $x_redirect_by" ); 1521 } 1522 1523 header( "Location: $location", true, $status ); 1524 1525 return true; 1526 } 1527 endif; 1528 1529 if ( ! function_exists( 'wp_sanitize_redirect' ) ) : 1530 /** 1531 * Sanitizes a URL for use in a redirect. 1532 * 1533 * @since 2.3.0 1534 * 1535 * @param string $location The path to redirect to. 1536 * @return string Redirect-sanitized URL. 1537 */ 1538 function wp_sanitize_redirect( $location ) { 1539 // Encode spaces. 1540 $location = str_replace( ' ', '%20', $location ); 1541 1542 $regex = '/ 1543 ( 1544 (?: [\xC2-\xDF][\x80-\xBF] # double-byte sequences 110xxxxx 10xxxxxx 1545 | \xE0[\xA0-\xBF][\x80-\xBF] # triple-byte sequences 1110xxxx 10xxxxxx * 2 1546 | [\xE1-\xEC][\x80-\xBF]{2} 1547 | \xED[\x80-\x9F][\x80-\xBF] 1548 | [\xEE-\xEF][\x80-\xBF]{2} 1549 | \xF0[\x90-\xBF][\x80-\xBF]{2} # four-byte sequences 11110xxx 10xxxxxx * 3 1550 | [\xF1-\xF3][\x80-\xBF]{3} 1551 | \xF4[\x80-\x8F][\x80-\xBF]{2} 1552 ){1,40} # ...one or more times 1553 )/x'; 1554 $location = preg_replace_callback( $regex, '_wp_sanitize_utf8_in_redirect', $location ); 1555 $location = preg_replace( '|[^a-z0-9-~+_.?#=&;,/:%!*\[\]()@]|i', '', $location ); 1556 $location = wp_kses_no_null( $location ); 1557 1558 // Remove %0D and %0A from location. 1559 $strip = array( '%0d', '%0a', '%0D', '%0A' ); 1560 return _deep_replace( $strip, $location ); 1561 } 1562 1563 /** 1564 * URL encodes UTF-8 characters in a URL. 1565 * 1566 * @ignore 1567 * @since 4.2.0 1568 * @access private 1569 * 1570 * @see wp_sanitize_redirect() 1571 * 1572 * @param array $matches RegEx matches against the redirect location. 1573 * @return string URL-encoded version of the first RegEx match. 1574 */ 1575 function _wp_sanitize_utf8_in_redirect( $matches ) { 1576 return urlencode( $matches[0] ); 1577 } 1578 endif; 1579 1580 if ( ! function_exists( 'wp_safe_redirect' ) ) : 1581 /** 1582 * Performs a safe (local) redirect, using wp_redirect(). 1583 * 1584 * Checks whether the $location is using an allowed host, if it has an absolute 1585 * path. A plugin can therefore set or remove allowed host(s) to or from the 1586 * list. 1587 * 1588 * If the host is not allowed, then the redirect defaults to wp-admin on the siteurl 1589 * instead. This prevents malicious redirects which redirect to another host, 1590 * but only used in a few places. 1591 * 1592 * Note: wp_safe_redirect() does not exit automatically, and should almost always be 1593 * followed by a call to `exit;`: 1594 * 1595 * wp_safe_redirect( $url ); 1596 * exit; 1597 * 1598 * Exiting can also be selectively manipulated by using wp_safe_redirect() as a conditional 1599 * in conjunction with the {@see 'wp_redirect'} and {@see 'wp_redirect_status'} filters: 1600 * 1601 * if ( wp_safe_redirect( $url ) ) { 1602 * exit; 1603 * } 1604 * 1605 * @since 2.3.0 1606 * @since 5.1.0 The return value from wp_redirect() is now passed on, and the `$x_redirect_by` parameter was added. 1607 * 1608 * @param string $location The path or URL to redirect to. 1609 * @param int $status Optional. HTTP response status code to use. Default '302' (Moved Temporarily). 1610 * @param string|false $x_redirect_by Optional. The application doing the redirect or false to omit. Default 'WordPress'. 1611 * @return bool False if the redirect was canceled, true otherwise. 1612 */ 1613 function wp_safe_redirect( $location, $status = 302, $x_redirect_by = 'WordPress' ) { 1614 1615 // Need to look at the URL the way it will end up in wp_redirect(). 1616 $location = wp_sanitize_redirect( $location ); 1617 1618 /** 1619 * Filters the redirect fallback URL for when the provided redirect is not safe (local). 1620 * 1621 * @since 4.3.0 1622 * 1623 * @param string $fallback_url The fallback URL to use by default. 1624 * @param int $status The HTTP response status code to use. 1625 */ 1626 $fallback_url = apply_filters( 'wp_safe_redirect_fallback', admin_url(), $status ); 1627 1628 $location = wp_validate_redirect( $location, $fallback_url ); 1629 1630 return wp_redirect( $location, $status, $x_redirect_by ); 1631 } 1632 endif; 1633 1634 if ( ! function_exists( 'wp_validate_redirect' ) ) : 1635 /** 1636 * Validates a URL for use in a redirect. 1637 * 1638 * Checks whether the $location is using an allowed host, if it has an absolute 1639 * path. A plugin can therefore set or remove allowed host(s) to or from the 1640 * list. 1641 * 1642 * If the host is not allowed, then the redirect is to $fallback_url supplied. 1643 * 1644 * @since 2.8.1 1645 * 1646 * @param string $location The redirect to validate. 1647 * @param string $fallback_url The value to return if $location is not allowed. 1648 * @return string Redirect-sanitized URL. 1649 */ 1650 function wp_validate_redirect( $location, $fallback_url = '' ) { 1651 $location = wp_sanitize_redirect( trim( $location, " \t\n\r\0\x08\x0B" ) ); 1652 // Browsers will assume 'http' is your protocol, and will obey a redirect to a URL starting with '//'. 1653 if ( str_starts_with( $location, '//' ) ) { 1654 $location = 'http:' . $location; 1655 } 1656 1657 /* 1658 * In PHP 5 parse_url() may fail if the URL query part contains 'http://'. 1659 * See https://bugs.php.net/bug.php?id=38143 1660 */ 1661 $cut = strpos( $location, '?' ); 1662 $test = $cut ? substr( $location, 0, $cut ) : $location; 1663 1664 $lp = parse_url( $test ); 1665 1666 // Give up if malformed URL. 1667 if ( false === $lp ) { 1668 return $fallback_url; 1669 } 1670 1671 // Allow only 'http' and 'https' schemes. No 'data:', etc. 1672 if ( isset( $lp['scheme'] ) && ! ( 'http' === $lp['scheme'] || 'https' === $lp['scheme'] ) ) { 1673 return $fallback_url; 1674 } 1675 1676 if ( ! isset( $lp['host'] ) && ! empty( $lp['path'] ) && '/' !== $lp['path'][0] ) { 1677 $path = ''; 1678 if ( ! empty( $_SERVER['REQUEST_URI'] ) ) { 1679 $path = dirname( parse_url( 'http://placeholder' . $_SERVER['REQUEST_URI'], PHP_URL_PATH ) . '?' ); 1680 $path = wp_normalize_path( $path ); 1681 } 1682 $location = '/' . ltrim( $path . '/', '/' ) . $location; 1683 } 1684 1685 /* 1686 * Reject if certain components are set but host is not. 1687 * This catches URLs like https:host.com for which parse_url() does not set the host field. 1688 */ 1689 if ( ! isset( $lp['host'] ) && ( isset( $lp['scheme'] ) || isset( $lp['user'] ) || isset( $lp['pass'] ) || isset( $lp['port'] ) ) ) { 1690 return $fallback_url; 1691 } 1692 1693 // Reject malformed components parse_url() can return on odd inputs. 1694 foreach ( array( 'user', 'pass', 'host' ) as $component ) { 1695 if ( isset( $lp[ $component ] ) && strpbrk( $lp[ $component ], ':/?#@' ) ) { 1696 return $fallback_url; 1697 } 1698 } 1699 1700 $wpp = parse_url( home_url() ); 1701 1702 /** 1703 * Filters the list of allowed hosts to redirect to. 1704 * 1705 * @since 2.3.0 1706 * 1707 * @param string[] $hosts An array of allowed host names. 1708 * @param string $host The host name of the redirect destination; empty string if not set. 1709 */ 1710 $allowed_hosts = (array) apply_filters( 'allowed_redirect_hosts', array( $wpp['host'] ), isset( $lp['host'] ) ? $lp['host'] : '' ); 1711 1712 if ( isset( $lp['host'] ) && ( ! in_array( $lp['host'], $allowed_hosts, true ) && strtolower( $wpp['host'] ) !== $lp['host'] ) ) { 1713 $location = $fallback_url; 1714 } 1715 1716 return $location; 1717 } 1718 endif; 1719 1720 if ( ! function_exists( 'wp_notify_postauthor' ) ) : 1721 /** 1722 * Notifies an author (and/or others) of a comment/trackback/pingback on a post. 1723 * 1724 * @since 1.0.0 1725 * 1726 * @param int|WP_Comment $comment_id Comment ID or WP_Comment object. 1727 * @param string $deprecated Not used. 1728 * @return bool True on completion. False if no email addresses were specified. 1729 */ 1730 function wp_notify_postauthor( $comment_id, $deprecated = null ) { 1731 if ( null !== $deprecated ) { 1732 _deprecated_argument( __FUNCTION__, '3.8.0' ); 1733 } 1734 1735 $comment = get_comment( $comment_id ); 1736 if ( empty( $comment ) || empty( $comment->comment_post_ID ) ) { 1737 return false; 1738 } 1739 1740 $post = get_post( $comment->comment_post_ID ); 1741 $author = get_userdata( $post->post_author ); 1742 1743 // Who to notify? By default, just the post author, but others can be added. 1744 $emails = array(); 1745 if ( $author ) { 1746 $emails[] = $author->user_email; 1747 } 1748 1749 /** 1750 * Filters the list of email addresses to receive a comment notification. 1751 * 1752 * By default, only post authors are notified of comments. This filter allows 1753 * others to be added. 1754 * 1755 * @since 3.7.0 1756 * 1757 * @param string[] $emails An array of email addresses to receive a comment notification. 1758 * @param string $comment_id The comment ID as a numeric string. 1759 */ 1760 $emails = apply_filters( 'comment_notification_recipients', $emails, $comment->comment_ID ); 1761 $emails = array_filter( $emails ); 1762 1763 // If there are no addresses to send the comment to, bail. 1764 if ( ! count( $emails ) ) { 1765 return false; 1766 } 1767 1768 // Facilitate unsetting below without knowing the keys. 1769 $emails = array_flip( $emails ); 1770 1771 /** 1772 * Filters whether to notify comment authors of their comments on their own posts. 1773 * 1774 * By default, comment authors aren't notified of their comments on their own 1775 * posts. This filter allows you to override that. 1776 * 1777 * @since 3.8.0 1778 * 1779 * @param bool $notify Whether to notify the post author of their own comment. 1780 * Default false. 1781 * @param string $comment_id The comment ID as a numeric string. 1782 */ 1783 $notify_author = apply_filters( 'comment_notification_notify_author', false, $comment->comment_ID ); 1784 1785 // The comment was left by the author. 1786 if ( $author && ! $notify_author && (int) $comment->user_id === (int) $post->post_author ) { 1787 unset( $emails[ $author->user_email ] ); 1788 } 1789 1790 // The author moderated a comment on their own post. 1791 if ( $author && ! $notify_author && get_current_user_id() === (int) $post->post_author ) { 1792 unset( $emails[ $author->user_email ] ); 1793 } 1794 1795 // The post author is no longer a member of the blog. 1796 if ( $author && ! $notify_author && ! user_can( $post->post_author, 'read_post', $post->ID ) ) { 1797 unset( $emails[ $author->user_email ] ); 1798 } 1799 1800 // If there's no email to send the comment to, bail, otherwise flip array back around for use below. 1801 if ( ! count( $emails ) ) { 1802 return false; 1803 } else { 1804 $emails = array_flip( $emails ); 1805 } 1806 1807 $comment_author_domain = ''; 1808 if ( WP_Http::is_ip_address( $comment->comment_author_IP ) ) { 1809 $comment_author_domain = gethostbyaddr( $comment->comment_author_IP ); 1810 } 1811 1812 /* 1813 * The blogname option is escaped with esc_html() on the way into the database in sanitize_option(). 1814 * We want to reverse this for the plain text arena of emails. 1815 */ 1816 $blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); 1817 $comment_content = wp_specialchars_decode( $comment->comment_content ); 1818 1819 $wp_email = 'wordpress@' . preg_replace( '#^www\.#', '', wp_parse_url( network_home_url(), PHP_URL_HOST ) ); 1820 1821 if ( '' === $comment->comment_author ) { 1822 $from = "From: \"$blogname\" <$wp_email>"; 1823 if ( '' !== $comment->comment_author_email ) { 1824 $reply_to = "Reply-To: $comment->comment_author_email"; 1825 } 1826 } else { 1827 $from = "From: \"$comment->comment_author\" <$wp_email>"; 1828 if ( '' !== $comment->comment_author_email ) { 1829 $reply_to = "Reply-To: \"$comment->comment_author_email\" <$comment->comment_author_email>"; 1830 } 1831 } 1832 1833 $message_headers = "$from\n" 1834 . 'Content-Type: text/plain; charset="' . get_option( 'blog_charset' ) . "\"\n"; 1835 1836 if ( isset( $reply_to ) ) { 1837 $message_headers .= $reply_to . "\n"; 1838 } 1839 1840 /** 1841 * Filters the comment notification email headers. 1842 * 1843 * @since 1.5.2 1844 * 1845 * @param string $message_headers Headers for the comment notification email. 1846 * @param string $comment_id Comment ID as a numeric string. 1847 */ 1848 $message_headers = apply_filters( 'comment_notification_headers', $message_headers, $comment->comment_ID ); 1849 1850 foreach ( $emails as $email ) { 1851 $user = get_user_by( 'email', $email ); 1852 1853 if ( $user ) { 1854 $switched_locale = switch_to_user_locale( $user->ID ); 1855 } else { 1856 $switched_locale = switch_to_locale( get_locale() ); 1857 } 1858 1859 switch ( $comment->comment_type ) { 1860 case 'trackback': 1861 /* translators: %s: Post title. */ 1862 $notify_message = sprintf( __( 'New trackback on your post "%s"' ), $post->post_title ) . "\r\n"; 1863 /* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */ 1864 $notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1865 /* translators: %s: Trackback/pingback/comment author URL. */ 1866 $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; 1867 /* translators: %s: Comment text. */ 1868 $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; 1869 $notify_message .= __( 'You can see all trackbacks on this post here:' ) . "\r\n"; 1870 /* translators: Trackback notification email subject. 1: Site title, 2: Post title. */ 1871 $subject = sprintf( __( '[%1$s] Trackback: "%2$s"' ), $blogname, $post->post_title ); 1872 break; 1873 1874 case 'pingback': 1875 /* translators: %s: Post title. */ 1876 $notify_message = sprintf( __( 'New pingback on your post "%s"' ), $post->post_title ) . "\r\n"; 1877 /* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */ 1878 $notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1879 /* translators: %s: Trackback/pingback/comment author URL. */ 1880 $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; 1881 /* translators: %s: Comment text. */ 1882 $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; 1883 $notify_message .= __( 'You can see all pingbacks on this post here:' ) . "\r\n"; 1884 /* translators: Pingback notification email subject. 1: Site title, 2: Post title. */ 1885 $subject = sprintf( __( '[%1$s] Pingback: "%2$s"' ), $blogname, $post->post_title ); 1886 break; 1887 1888 default: // Comments. 1889 /* translators: %s: Post title. */ 1890 $notify_message = sprintf( __( 'New comment on your post "%s"' ), $post->post_title ) . "\r\n"; 1891 /* translators: 1: Comment author's name, 2: Comment author's IP address, 3: Comment author's hostname. */ 1892 $notify_message .= sprintf( __( 'Author: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1893 /* translators: %s: Comment author email. */ 1894 $notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n"; 1895 /* translators: %s: Trackback/pingback/comment author URL. */ 1896 $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; 1897 1898 if ( $comment->comment_parent && user_can( $post->post_author, 'edit_comment', $comment->comment_parent ) ) { 1899 /* translators: Comment moderation. %s: Parent comment edit URL. */ 1900 $notify_message .= sprintf( __( 'In reply to: %s' ), admin_url( "comment.php?action=editcomment&c={$comment->comment_parent}#wpbody-content" ) ) . "\r\n"; 1901 } 1902 1903 /* translators: %s: Comment text. */ 1904 $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; 1905 $notify_message .= __( 'You can see all comments on this post here:' ) . "\r\n"; 1906 /* translators: Comment notification email subject. 1: Site title, 2: Post title. */ 1907 $subject = sprintf( __( '[%1$s] Comment: "%2$s"' ), $blogname, $post->post_title ); 1908 break; 1909 } 1910 1911 $notify_message .= get_permalink( $comment->comment_post_ID ) . "#comments\r\n\r\n"; 1912 /* translators: %s: Comment URL. */ 1913 $notify_message .= sprintf( __( 'Permalink: %s' ), get_comment_link( $comment ) ) . "\r\n"; 1914 1915 if ( user_can( $post->post_author, 'edit_comment', $comment->comment_ID ) ) { 1916 if ( EMPTY_TRASH_DAYS ) { 1917 /* translators: Comment moderation. %s: Comment action URL. */ 1918 $notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n"; 1919 } else { 1920 /* translators: Comment moderation. %s: Comment action URL. */ 1921 $notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n"; 1922 } 1923 /* translators: Comment moderation. %s: Comment action URL. */ 1924 $notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n"; 1925 } 1926 1927 /** 1928 * Filters the comment notification email text. 1929 * 1930 * @since 1.5.2 1931 * 1932 * @param string $notify_message The comment notification email text. 1933 * @param string $comment_id Comment ID as a numeric string. 1934 */ 1935 $notify_message = apply_filters( 'comment_notification_text', $notify_message, $comment->comment_ID ); 1936 1937 /** 1938 * Filters the comment notification email subject. 1939 * 1940 * @since 1.5.2 1941 * 1942 * @param string $subject The comment notification email subject. 1943 * @param string $comment_id Comment ID as a numeric string. 1944 */ 1945 $subject = apply_filters( 'comment_notification_subject', $subject, $comment->comment_ID ); 1946 1947 wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers ); 1948 1949 if ( $switched_locale ) { 1950 restore_previous_locale(); 1951 } 1952 } 1953 1954 return true; 1955 } 1956 endif; 1957 1958 if ( ! function_exists( 'wp_notify_moderator' ) ) : 1959 /** 1960 * Notifies the moderator of the site about a new comment that is awaiting approval. 1961 * 1962 * @since 1.0.0 1963 * 1964 * @global wpdb $wpdb WordPress database abstraction object. 1965 * 1966 * Uses the {@see 'notify_moderator'} filter to determine whether the site moderator 1967 * should be notified, overriding the site setting. 1968 * 1969 * @param int $comment_id Comment ID. 1970 * @return true Always returns true. 1971 */ 1972 function wp_notify_moderator( $comment_id ) { 1973 global $wpdb; 1974 1975 $maybe_notify = get_option( 'moderation_notify' ); 1976 1977 /** 1978 * Filters whether to send the site moderator email notifications, overriding the site setting. 1979 * 1980 * @since 4.4.0 1981 * 1982 * @param bool $maybe_notify Whether to notify blog moderator. 1983 * @param int $comment_id The ID of the comment for the notification. 1984 */ 1985 $maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_id ); 1986 1987 if ( ! $maybe_notify ) { 1988 return true; 1989 } 1990 1991 $comment = get_comment( $comment_id ); 1992 $post = get_post( $comment->comment_post_ID ); 1993 $user = get_userdata( $post->post_author ); 1994 // Send to the administration and to the post author if the author can modify the comment. 1995 $emails = array( get_option( 'admin_email' ) ); 1996 if ( $user && user_can( $user->ID, 'edit_comment', $comment_id ) && ! empty( $user->user_email ) ) { 1997 if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) { 1998 $emails[] = $user->user_email; 1999 } 2000 } 2001 2002 $comment_author_domain = ''; 2003 if ( WP_Http::is_ip_address( $comment->comment_author_IP ) ) { 2004 $comment_author_domain = gethostbyaddr( $comment->comment_author_IP ); 2005 } 2006 2007 $comments_waiting = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->comments WHERE comment_approved = '0'" ); 2008 2009 /* 2010 * The blogname option is escaped with esc_html() on the way into the database in sanitize_option(). 2011 * We want to reverse this for the plain text arena of emails. 2012 */ 2013 $blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); 2014 $comment_content = wp_specialchars_decode( $comment->comment_content ); 2015 2016 $message_headers = ''; 2017 2018 /** 2019 * Filters the list of recipients for comment moderation emails. 2020 * 2021 * @since 3.7.0 2022 * 2023 * @param string[] $emails List of email addresses to notify for comment moderation. 2024 * @param int $comment_id Comment ID. 2025 */ 2026 $emails = apply_filters( 'comment_moderation_recipients', $emails, $comment_id ); 2027 2028 /** 2029 * Filters the comment moderation email headers. 2030 * 2031 * @since 2.8.0 2032 * 2033 * @param string $message_headers Headers for the comment moderation email. 2034 * @param int $comment_id Comment ID. 2035 */ 2036 $message_headers = apply_filters( 'comment_moderation_headers', $message_headers, $comment_id ); 2037 2038 foreach ( $emails as $email ) { 2039 $user = get_user_by( 'email', $email ); 2040 2041 if ( $user ) { 2042 $switched_locale = switch_to_user_locale( $user->ID ); 2043 } else { 2044 $switched_locale = switch_to_locale( get_locale() ); 2045 } 2046 2047 switch ( $comment->comment_type ) { 2048 case 'trackback': 2049 /* translators: %s: Post title. */ 2050 $notify_message = sprintf( __( 'A new trackback on the post "%s" is waiting for your approval' ), $post->post_title ) . "\r\n"; 2051 $notify_message .= get_permalink( $comment->comment_post_ID ) . "\r\n\r\n"; 2052 /* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */ 2053 $notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 2054 /* translators: %s: Trackback/pingback/comment author URL. */ 2055 $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; 2056 $notify_message .= __( 'Trackback excerpt: ' ) . "\r\n" . $comment_content . "\r\n\r\n"; 2057 break; 2058 2059 case 'pingback': 2060 /* translators: %s: Post title. */ 2061 $notify_message = sprintf( __( 'A new pingback on the post "%s" is waiting for your approval' ), $post->post_title ) . "\r\n"; 2062 $notify_message .= get_permalink( $comment->comment_post_ID ) . "\r\n\r\n"; 2063 /* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */ 2064 $notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 2065 /* translators: %s: Trackback/pingback/comment author URL. */ 2066 $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; 2067 $notify_message .= __( 'Pingback excerpt: ' ) . "\r\n" . $comment_content . "\r\n\r\n"; 2068 break; 2069 2070 default: // Comments. 2071 /* translators: %s: Post title. */ 2072 $notify_message = sprintf( __( 'A new comment on the post "%s" is waiting for your approval' ), $post->post_title ) . "\r\n"; 2073 $notify_message .= get_permalink( $comment->comment_post_ID ) . "\r\n\r\n"; 2074 /* translators: 1: Comment author's name, 2: Comment author's IP address, 3: Comment author's hostname. */ 2075 $notify_message .= sprintf( __( 'Author: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 2076 /* translators: %s: Comment author email. */ 2077 $notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n"; 2078 /* translators: %s: Trackback/pingback/comment author URL. */ 2079 $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; 2080 2081 if ( $comment->comment_parent ) { 2082 /* translators: Comment moderation. %s: Parent comment edit URL. */ 2083 $notify_message .= sprintf( __( 'In reply to: %s' ), admin_url( "comment.php?action=editcomment&c={$comment->comment_parent}#wpbody-content" ) ) . "\r\n"; 2084 } 2085 2086 /* translators: %s: Comment text. */ 2087 $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; 2088 break; 2089 } 2090 2091 /* translators: Comment moderation. %s: Comment action URL. */ 2092 $notify_message .= sprintf( __( 'Approve it: %s' ), admin_url( "comment.php?action=approve&c={$comment_id}#wpbody-content" ) ) . "\r\n"; 2093 2094 if ( EMPTY_TRASH_DAYS ) { 2095 /* translators: Comment moderation. %s: Comment action URL. */ 2096 $notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment_id}#wpbody-content" ) ) . "\r\n"; 2097 } else { 2098 /* translators: Comment moderation. %s: Comment action URL. */ 2099 $notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment_id}#wpbody-content" ) ) . "\r\n"; 2100 } 2101 2102 /* translators: Comment moderation. %s: Comment action URL. */ 2103 $notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment_id}#wpbody-content" ) ) . "\r\n"; 2104 2105 $notify_message .= sprintf( 2106 /* translators: Comment moderation. %s: Number of comments awaiting approval. */ 2107 _n( 2108 'Currently %s comment is waiting for approval. Please visit the moderation panel:', 2109 'Currently %s comments are waiting for approval. Please visit the moderation panel:', 2110 $comments_waiting 2111 ), 2112 number_format_i18n( $comments_waiting ) 2113 ) . "\r\n"; 2114 $notify_message .= admin_url( 'edit-comments.php?comment_status=moderated#wpbody-content' ) . "\r\n"; 2115 2116 /* translators: Comment moderation notification email subject. 1: Site title, 2: Post title. */ 2117 $subject = sprintf( __( '[%1$s] Please moderate: "%2$s"' ), $blogname, $post->post_title ); 2118 2119 /** 2120 * Filters the comment moderation email text. 2121 * 2122 * @since 1.5.2 2123 * 2124 * @param string $notify_message Text of the comment moderation email. 2125 * @param int $comment_id Comment ID. 2126 */ 2127 $notify_message = apply_filters( 'comment_moderation_text', $notify_message, $comment_id ); 2128 2129 /** 2130 * Filters the comment moderation email subject. 2131 * 2132 * @since 1.5.2 2133 * 2134 * @param string $subject Subject of the comment moderation email. 2135 * @param int $comment_id Comment ID. 2136 */ 2137 $subject = apply_filters( 'comment_moderation_subject', $subject, $comment_id ); 2138 2139 wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers ); 2140 2141 if ( $switched_locale ) { 2142 restore_previous_locale(); 2143 } 2144 } 2145 2146 return true; 2147 } 2148 endif; 2149 2150 if ( ! function_exists( 'wp_password_change_notification' ) ) : 2151 /** 2152 * Notifies the blog admin of a user changing password, normally via email. 2153 * 2154 * @since 2.7.0 2155 * 2156 * @param WP_User $user User object. 2157 */ 2158 function wp_password_change_notification( $user ) { 2159 /* 2160 * Send a copy of password change notification to the admin, 2161 * but check to see if it's the admin whose password we're changing, and skip this. 2162 */ 2163 if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) { 2164 2165 $admin_user = get_user_by( 'email', get_option( 'admin_email' ) ); 2166 2167 if ( $admin_user ) { 2168 $switched_locale = switch_to_user_locale( $admin_user->ID ); 2169 } else { 2170 $switched_locale = switch_to_locale( get_locale() ); 2171 } 2172 2173 /* translators: %s: User name. */ 2174 $message = sprintf( __( 'Password changed for user: %s' ), $user->user_login ) . "\r\n"; 2175 /* 2176 * The blogname option is escaped with esc_html() on the way into the database in sanitize_option(). 2177 * We want to reverse this for the plain text arena of emails. 2178 */ 2179 $blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); 2180 2181 $wp_password_change_notification_email = array( 2182 'to' => get_option( 'admin_email' ), 2183 /* translators: Password change notification email subject. %s: Site title. */ 2184 'subject' => __( '[%s] Password Changed' ), 2185 'message' => $message, 2186 'headers' => '', 2187 ); 2188 2189 /** 2190 * Filters the contents of the password change notification email sent to the site admin. 2191 * 2192 * @since 4.9.0 2193 * 2194 * @param array $wp_password_change_notification_email { 2195 * Used to build wp_mail(). 2196 * 2197 * @type string $to The intended recipient - site admin email address. 2198 * @type string $subject The subject of the email. 2199 * @type string $message The body of the email. 2200 * @type string $headers The headers of the email. 2201 * } 2202 * @param WP_User $user User object for user whose password was changed. 2203 * @param string $blogname The site title. 2204 */ 2205 $wp_password_change_notification_email = apply_filters( 'wp_password_change_notification_email', $wp_password_change_notification_email, $user, $blogname ); 2206 2207 wp_mail( 2208 $wp_password_change_notification_email['to'], 2209 wp_specialchars_decode( sprintf( $wp_password_change_notification_email['subject'], $blogname ) ), 2210 $wp_password_change_notification_email['message'], 2211 $wp_password_change_notification_email['headers'] 2212 ); 2213 2214 if ( $switched_locale ) { 2215 restore_previous_locale(); 2216 } 2217 } 2218 } 2219 endif; 2220 2221 if ( ! function_exists( 'wp_new_user_notification' ) ) : 2222 /** 2223 * Emails login credentials to a newly-registered user. 2224 * 2225 * A new user registration notification is also sent to admin email. 2226 * 2227 * @since 2.0.0 2228 * @since 4.3.0 The `$plaintext_pass` parameter was changed to `$notify`. 2229 * @since 4.3.1 The `$plaintext_pass` parameter was deprecated. `$notify` added as a third parameter. 2230 * @since 4.6.0 The `$notify` parameter accepts 'user' for sending notification only to the user created. 2231 * 2232 * @param int $user_id User ID. 2233 * @param null $deprecated Not used (argument deprecated). 2234 * @param string $notify Optional. Type of notification that should happen. Accepts 'admin' or an empty 2235 * string (admin only), 'user', or 'both' (admin and user). Default empty. 2236 */ 2237 function wp_new_user_notification( $user_id, $deprecated = null, $notify = '' ) { 2238 if ( null !== $deprecated ) { 2239 _deprecated_argument( __FUNCTION__, '4.3.1' ); 2240 } 2241 2242 // Accepts only 'user', 'admin' , 'both' or default '' as $notify. 2243 if ( ! in_array( $notify, array( 'user', 'admin', 'both', '' ), true ) ) { 2244 return; 2245 } 2246 2247 $user = get_userdata( $user_id ); 2248 2249 /* 2250 * The blogname option is escaped with esc_html() on the way into the database in sanitize_option(). 2251 * We want to reverse this for the plain text arena of emails. 2252 */ 2253 $blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); 2254 2255 /** 2256 * Filters whether the admin is notified of a new user registration. 2257 * 2258 * @since 6.1.0 2259 * 2260 * @param bool $send Whether to send the email. Default true. 2261 * @param WP_User $user User object for new user. 2262 */ 2263 $send_notification_to_admin = apply_filters( 'wp_send_new_user_notification_to_admin', true, $user ); 2264 2265 if ( 'user' !== $notify && true === $send_notification_to_admin ) { 2266 2267 $admin_user = get_user_by( 'email', get_option( 'admin_email' ) ); 2268 2269 if ( $admin_user ) { 2270 $switched_locale = switch_to_user_locale( $admin_user->ID ); 2271 } else { 2272 $switched_locale = switch_to_locale( get_locale() ); 2273 } 2274 2275 /* translators: %s: Site title. */ 2276 $message = sprintf( __( 'New user registration on your site %s:' ), $blogname ) . "\r\n\r\n"; 2277 /* translators: %s: User login. */ 2278 $message .= sprintf( __( 'Username: %s' ), $user->user_login ) . "\r\n\r\n"; 2279 /* translators: %s: User email address. */ 2280 $message .= sprintf( __( 'Email: %s' ), $user->user_email ) . "\r\n"; 2281 2282 $wp_new_user_notification_email_admin = array( 2283 'to' => get_option( 'admin_email' ), 2284 /* translators: New user registration notification email subject. %s: Site title. */ 2285 'subject' => __( '[%s] New User Registration' ), 2286 'message' => $message, 2287 'headers' => '', 2288 ); 2289 2290 /** 2291 * Filters the contents of the new user notification email sent to the site admin. 2292 * 2293 * @since 4.9.0 2294 * 2295 * @param array $wp_new_user_notification_email_admin { 2296 * Used to build wp_mail(). 2297 * 2298 * @type string $to The intended recipient - site admin email address. 2299 * @type string $subject The subject of the email. 2300 * @type string $message The body of the email. 2301 * @type string $headers The headers of the email. 2302 * } 2303 * @param WP_User $user User object for new user. 2304 * @param string $blogname The site title. 2305 */ 2306 $wp_new_user_notification_email_admin = apply_filters( 'wp_new_user_notification_email_admin', $wp_new_user_notification_email_admin, $user, $blogname ); 2307 2308 wp_mail( 2309 $wp_new_user_notification_email_admin['to'], 2310 wp_specialchars_decode( sprintf( $wp_new_user_notification_email_admin['subject'], $blogname ) ), 2311 $wp_new_user_notification_email_admin['message'], 2312 $wp_new_user_notification_email_admin['headers'] 2313 ); 2314 2315 if ( $switched_locale ) { 2316 restore_previous_locale(); 2317 } 2318 } 2319 2320 /** 2321 * Filters whether the user is notified of their new user registration. 2322 * 2323 * @since 6.1.0 2324 * 2325 * @param bool $send Whether to send the email. Default true. 2326 * @param WP_User $user User object for new user. 2327 */ 2328 $send_notification_to_user = apply_filters( 'wp_send_new_user_notification_to_user', true, $user ); 2329 2330 // `$deprecated` was pre-4.3 `$plaintext_pass`. An empty `$plaintext_pass` didn't sent a user notification. 2331 if ( 'admin' === $notify || true !== $send_notification_to_user || ( empty( $deprecated ) && empty( $notify ) ) ) { 2332 return; 2333 } 2334 2335 $key = get_password_reset_key( $user ); 2336 if ( is_wp_error( $key ) ) { 2337 return; 2338 } 2339 2340 $switched_locale = switch_to_user_locale( $user_id ); 2341 2342 /* translators: %s: User login. */ 2343 $message = sprintf( __( 'Username: %s' ), $user->user_login ) . "\r\n\r\n"; 2344 $message .= __( 'To set your password, visit the following address:' ) . "\r\n\r\n"; 2345 2346 /* 2347 * Since some user login names end in a period, this could produce ambiguous URLs that 2348 * end in a period. To avoid the ambiguity, ensure that the login is not the last query 2349 * arg in the URL. If moving it to the end, a trailing period will need to be escaped. 2350 * 2351 * @see https://core.trac.wordpress.org/tickets/42957 2352 */ 2353 $message .= network_site_url( 'wp-login.php?login=' . rawurlencode( $user->user_login ) . "&key=$key&action=rp", 'login' ) . "\r\n\r\n"; 2354 2355 $message .= wp_login_url() . "\r\n"; 2356 2357 $wp_new_user_notification_email = array( 2358 'to' => $user->user_email, 2359 /* translators: Login details notification email subject. %s: Site title. */ 2360 'subject' => __( '[%s] Login Details' ), 2361 'message' => $message, 2362 'headers' => '', 2363 ); 2364 2365 /** 2366 * Filters the contents of the new user notification email sent to the new user. 2367 * 2368 * @since 4.9.0 2369 * 2370 * @param array $wp_new_user_notification_email { 2371 * Used to build wp_mail(). 2372 * 2373 * @type string $to The intended recipient - New user email address. 2374 * @type string $subject The subject of the email. 2375 * @type string $message The body of the email. 2376 * @type string $headers The headers of the email. 2377 * } 2378 * @param WP_User $user User object for new user. 2379 * @param string $blogname The site title. 2380 */ 2381 $wp_new_user_notification_email = apply_filters( 'wp_new_user_notification_email', $wp_new_user_notification_email, $user, $blogname ); 2382 2383 wp_mail( 2384 $wp_new_user_notification_email['to'], 2385 wp_specialchars_decode( sprintf( $wp_new_user_notification_email['subject'], $blogname ) ), 2386 $wp_new_user_notification_email['message'], 2387 $wp_new_user_notification_email['headers'] 2388 ); 2389 2390 if ( $switched_locale ) { 2391 restore_previous_locale(); 2392 } 2393 } 2394 endif; 2395 2396 if ( ! function_exists( 'wp_nonce_tick' ) ) : 2397 /** 2398 * Returns the time-dependent variable for nonce creation. 2399 * 2400 * A nonce has a lifespan of two ticks. Nonces in their second tick may be 2401 * updated, e.g. by autosave. 2402 * 2403 * @since 2.5.0 2404 * @since 6.1.0 Added `$action` argument. 2405 * 2406 * @param string|int $action Optional. The nonce action. Default -1. 2407 * @return float Float value rounded up to the next highest integer. 2408 */ 2409 function wp_nonce_tick( $action = -1 ) { 2410 /** 2411 * Filters the lifespan of nonces in seconds. 2412 * 2413 * @since 2.5.0 2414 * @since 6.1.0 Added `$action` argument to allow for more targeted filters. 2415 * 2416 * @param int $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day. 2417 * @param string|int $action The nonce action, or -1 if none was provided. 2418 */ 2419 $nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS, $action ); 2420 2421 return ceil( time() / ( $nonce_life / 2 ) ); 2422 } 2423 endif; 2424 2425 if ( ! function_exists( 'wp_verify_nonce' ) ) : 2426 /** 2427 * Verifies that a correct security nonce was used with time limit. 2428 * 2429 * A nonce is valid for between 12 and 24 hours (by default). 2430 * 2431 * @since 2.0.3 2432 * 2433 * @param string $nonce Nonce value that was used for verification, usually via a form field. 2434 * @param string|int $action Should give context to what is taking place and be the same when nonce was created. 2435 * @return int|false 1 if the nonce is valid and generated between 0-12 hours ago, 2436 * 2 if the nonce is valid and generated between 12-24 hours ago. 2437 * False if the nonce is invalid. 2438 */ 2439 function wp_verify_nonce( $nonce, $action = -1 ) { 2440 $nonce = (string) $nonce; 2441 $user = wp_get_current_user(); 2442 $uid = (int) $user->ID; 2443 if ( ! $uid ) { 2444 /** 2445 * Filters whether the user who generated the nonce is logged out. 2446 * 2447 * @since 3.5.0 2448 * 2449 * @param int $uid ID of the nonce-owning user. 2450 * @param string|int $action The nonce action, or -1 if none was provided. 2451 */ 2452 $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); 2453 } 2454 2455 if ( empty( $nonce ) ) { 2456 return false; 2457 } 2458 2459 $token = wp_get_session_token(); 2460 $i = wp_nonce_tick( $action ); 2461 2462 // Nonce generated 0-12 hours ago. 2463 $expected = substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 ); 2464 if ( hash_equals( $expected, $nonce ) ) { 2465 return 1; 2466 } 2467 2468 // Nonce generated 12-24 hours ago. 2469 $expected = substr( wp_hash( ( $i - 1 ) . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 ); 2470 if ( hash_equals( $expected, $nonce ) ) { 2471 return 2; 2472 } 2473 2474 /** 2475 * Fires when nonce verification fails. 2476 * 2477 * @since 4.4.0 2478 * 2479 * @param string $nonce The invalid nonce. 2480 * @param string|int $action The nonce action. 2481 * @param WP_User $user The current user object. 2482 * @param string $token The user's session token. 2483 */ 2484 do_action( 'wp_verify_nonce_failed', $nonce, $action, $user, $token ); 2485 2486 // Invalid nonce. 2487 return false; 2488 } 2489 endif; 2490 2491 if ( ! function_exists( 'wp_create_nonce' ) ) : 2492 /** 2493 * Creates a cryptographic token tied to a specific action, user, user session, 2494 * and window of time. 2495 * 2496 * @since 2.0.3 2497 * @since 4.0.0 Session tokens were integrated with nonce creation. 2498 * 2499 * @param string|int $action Scalar value to add context to the nonce. 2500 * @return string The token. 2501 */ 2502 function wp_create_nonce( $action = -1 ) { 2503 $user = wp_get_current_user(); 2504 $uid = (int) $user->ID; 2505 if ( ! $uid ) { 2506 /** This filter is documented in wp-includes/pluggable.php */ 2507 $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); 2508 } 2509 2510 $token = wp_get_session_token(); 2511 $i = wp_nonce_tick( $action ); 2512 2513 return substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 ); 2514 } 2515 endif; 2516 2517 if ( ! function_exists( 'wp_salt' ) ) : 2518 /** 2519 * Returns a salt to add to hashes. 2520 * 2521 * Salts are created using secret keys. Secret keys are located in two places: 2522 * in the database and in the wp-config.php file. The secret key in the database 2523 * is randomly generated and will be appended to the secret keys in wp-config.php. 2524 * 2525 * The secret keys in wp-config.php should be updated to strong, random keys to maximize 2526 * security. Below is an example of how the secret key constants are defined. 2527 * Do not paste this example directly into wp-config.php. Instead, have a 2528 * {@link https://api.wordpress.org/secret-key/1.1/salt/ secret key created} just 2529 * for you. 2530 * 2531 * define('AUTH_KEY', ' Xakm<o xQy rw4EMsLKM-?!T+,PFF})H4lzcW57AF0U@N@< >M%G4Yt>f`z]MON'); 2532 * define('SECURE_AUTH_KEY', 'LzJ}op]mr|6+![P}Ak:uNdJCJZd>(Hx.-Mh#Tz)pCIU#uGEnfFz|f ;;eU%/U^O~'); 2533 * define('LOGGED_IN_KEY', '|i|Ux`9<p-h$aFf(qnT:sDO:D1P^wZ$$/Ra@miTJi9G;ddp_<q}6H1)o|a +&JCM'); 2534 * define('NONCE_KEY', '%:R{[P|,s.KuMltH5}cI;/k<Gx~j!f0I)m_sIyu+&NJZ)-iO>z7X>QYR0Z_XnZ@|'); 2535 * define('AUTH_SALT', 'eZyT)-Naw]F8CwA*VaW#q*|.)g@o}||wf~@C-YSt}(dh_r6EbI#A,y|nU2{B#JBW'); 2536 * define('SECURE_AUTH_SALT', '!=oLUTXh,QW=H `}`L|9/^4-3 STz},T(w}W<I`.JjPi)<Bmf1v,HpGe}T1:Xt7n'); 2537 * define('LOGGED_IN_SALT', '+XSqHc;@Q*K_b|Z?NC[3H!!EONbh.n<+=uKR:>*c(u`g~EJBf#8u#R{mUEZrozmm'); 2538 * define('NONCE_SALT', 'h`GXHhD>SLWVfg1(1(N{;.V!MoE(SfbA_ksP@&`+AycHcAV$+?@3q+rxV{%^VyKT'); 2539 * 2540 * Salting passwords helps against tools which has stored hashed values of 2541 * common dictionary strings. The added values makes it harder to crack. 2542 * 2543 * @since 2.5.0 2544 * 2545 * @link https://api.wordpress.org/secret-key/1.1/salt/ Create secrets for wp-config.php 2546 * 2547 * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce). 2548 * @return string Salt value 2549 */ 2550 function wp_salt( $scheme = 'auth' ) { 2551 static $cached_salts = array(); 2552 if ( isset( $cached_salts[ $scheme ] ) ) { 2553 /** 2554 * Filters the WordPress salt. 2555 * 2556 * @since 2.5.0 2557 * 2558 * @param string $cached_salt Cached salt for the given scheme. 2559 * @param string $scheme Authentication scheme. Values include 'auth', 2560 * 'secure_auth', 'logged_in', and 'nonce'. 2561 */ 2562 return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme ); 2563 } 2564 2565 static $duplicated_keys; 2566 if ( null === $duplicated_keys ) { 2567 $duplicated_keys = array(); 2568 2569 foreach ( array( 'AUTH', 'SECURE_AUTH', 'LOGGED_IN', 'NONCE', 'SECRET' ) as $first ) { 2570 foreach ( array( 'KEY', 'SALT' ) as $second ) { 2571 if ( ! defined( "{$first}_{$second}" ) ) { 2572 continue; 2573 } 2574 $value = constant( "{$first}_{$second}" ); 2575 $duplicated_keys[ $value ] = isset( $duplicated_keys[ $value ] ); 2576 } 2577 } 2578 2579 $duplicated_keys['put your unique phrase here'] = true; 2580 2581 /* 2582 * translators: This string should only be translated if wp-config-sample.php is localized. 2583 * You can check the localized release package or 2584 * https://i18n.svn.wordpress.org/<locale code>/branches/<wp version>/dist/wp-config-sample.php 2585 */ 2586 $duplicated_keys[ __( 'put your unique phrase here' ) ] = true; 2587 } 2588 2589 /* 2590 * Determine which options to prime. 2591 * 2592 * If the salt keys are undefined, use a duplicate value or the 2593 * default `put your unique phrase here` value the salt will be 2594 * generated via `wp_generate_password()` and stored as a site 2595 * option. These options will be primed to avoid repeated 2596 * database requests for undefined salts. 2597 */ 2598 $options_to_prime = array(); 2599 foreach ( array( 'auth', 'secure_auth', 'logged_in', 'nonce' ) as $key ) { 2600 foreach ( array( 'key', 'salt' ) as $second ) { 2601 $const = strtoupper( "{$key}_{$second}" ); 2602 if ( ! defined( $const ) || true === $duplicated_keys[ constant( $const ) ] ) { 2603 $options_to_prime[] = "{$key}_{$second}"; 2604 } 2605 } 2606 } 2607 2608 if ( ! empty( $options_to_prime ) ) { 2609 /* 2610 * Also prime `secret_key` used for undefined salting schemes. 2611 * 2612 * If the scheme is unknown, the default value for `secret_key` will be 2613 * used too for the salt. This should rarely happen, so the option is only 2614 * primed if other salts are undefined. 2615 * 2616 * At this point of execution it is known that a database call will be made 2617 * to prime salts, so the `secret_key` option can be primed regardless of the 2618 * constants status. 2619 */ 2620 $options_to_prime[] = 'secret_key'; 2621 wp_prime_site_option_caches( $options_to_prime ); 2622 } 2623 2624 $values = array( 2625 'key' => '', 2626 'salt' => '', 2627 ); 2628 if ( defined( 'SECRET_KEY' ) && SECRET_KEY && empty( $duplicated_keys[ SECRET_KEY ] ) ) { 2629 $values['key'] = SECRET_KEY; 2630 } 2631 if ( 'auth' === $scheme && defined( 'SECRET_SALT' ) && SECRET_SALT && empty( $duplicated_keys[ SECRET_SALT ] ) ) { 2632 $values['salt'] = SECRET_SALT; 2633 } 2634 2635 if ( in_array( $scheme, array( 'auth', 'secure_auth', 'logged_in', 'nonce' ), true ) ) { 2636 foreach ( array( 'key', 'salt' ) as $type ) { 2637 $const = strtoupper( "{$scheme}_{$type}" ); 2638 if ( defined( $const ) && constant( $const ) && empty( $duplicated_keys[ constant( $const ) ] ) ) { 2639 $values[ $type ] = constant( $const ); 2640 } elseif ( ! $values[ $type ] ) { 2641 $values[ $type ] = get_site_option( "{$scheme}_{$type}" ); 2642 if ( ! $values[ $type ] ) { 2643 $values[ $type ] = wp_generate_password( 64, true, true ); 2644 update_site_option( "{$scheme}_{$type}", $values[ $type ] ); 2645 } 2646 } 2647 } 2648 } else { 2649 if ( ! $values['key'] ) { 2650 $values['key'] = get_site_option( 'secret_key' ); 2651 if ( ! $values['key'] ) { 2652 $values['key'] = wp_generate_password( 64, true, true ); 2653 update_site_option( 'secret_key', $values['key'] ); 2654 } 2655 } 2656 $values['salt'] = hash_hmac( 'md5', $scheme, $values['key'] ); 2657 } 2658 2659 $cached_salts[ $scheme ] = $values['key'] . $values['salt']; 2660 2661 /** This filter is documented in wp-includes/pluggable.php */ 2662 return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme ); 2663 } 2664 endif; 2665 2666 if ( ! function_exists( 'wp_hash' ) ) : 2667 /** 2668 * Gets the hash of the given string. 2669 * 2670 * The default algorithm is md5 but can be changed to any algorithm supported by 2671 * `hash_hmac()`. Use the `hash_hmac_algos()` function to check the supported 2672 * algorithms. 2673 * 2674 * @since 2.0.3 2675 * @since 6.8.0 The `$algo` parameter was added. 2676 * 2677 * @throws InvalidArgumentException if the hashing algorithm is not supported. 2678 * 2679 * @param string $data Plain text to hash. 2680 * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce). 2681 * @param string $algo Hashing algorithm to use. Default: 'md5'. 2682 * @return string Hash of $data. 2683 */ 2684 function wp_hash( $data, $scheme = 'auth', $algo = 'md5' ) { 2685 $salt = wp_salt( $scheme ); 2686 2687 // Ensure the algorithm is supported by the hash_hmac function. 2688 if ( ! in_array( $algo, hash_hmac_algos(), true ) ) { 2689 throw new InvalidArgumentException( 2690 sprintf( 2691 /* translators: 1: Name of a cryptographic hash algorithm. 2: List of supported algorithms. */ 2692 __( 'Unsupported hashing algorithm: %1$s. Supported algorithms are: %2$s' ), 2693 $algo, 2694 implode( ', ', hash_hmac_algos() ) 2695 ) 2696 ); 2697 } 2698 2699 return hash_hmac( $algo, $data, $salt ); 2700 } 2701 endif; 2702 2703 if ( ! function_exists( 'wp_hash_password' ) ) : 2704 /** 2705 * Creates a hash of a plain text password. 2706 * 2707 * For integration with other applications, this function can be overwritten to 2708 * instead use the other package password hashing algorithm. 2709 * 2710 * @since 2.5.0 2711 * @since 6.8.0 The password is now hashed using bcrypt by default instead of phpass. 2712 * 2713 * @global PasswordHash $wp_hasher phpass object. 2714 * 2715 * @param string $password Plain text user password to hash. 2716 * @return string The hash string of the password. 2717 */ 2718 function wp_hash_password( 2719 #[\SensitiveParameter] 2720 $password 2721 ) { 2722 global $wp_hasher; 2723 2724 if ( ! empty( $wp_hasher ) ) { 2725 return $wp_hasher->HashPassword( trim( $password ) ); 2726 } 2727 2728 if ( strlen( $password ) > 4096 ) { 2729 return '*'; 2730 } 2731 2732 /** 2733 * Filters the hashing algorithm to use in the password_hash() and password_needs_rehash() functions. 2734 * 2735 * The default is the value of the `PASSWORD_BCRYPT` constant which means bcrypt is used. 2736 * 2737 * **Important:** The only password hashing algorithm that is guaranteed to be available across PHP 2738 * installations is bcrypt. If you use any other algorithm you must make sure that it is available on 2739 * the server. The `password_algos()` function can be used to check which hashing algorithms are available. 2740 * 2741 * The hashing options can be controlled via the {@see 'wp_hash_password_options'} filter. 2742 * 2743 * Other available constants include: 2744 * 2745 * - `PASSWORD_ARGON2I` 2746 * - `PASSWORD_ARGON2ID` 2747 * - `PASSWORD_DEFAULT` 2748 * 2749 * The values of the algorithm constants are strings in PHP 7.4+ and integers in PHP 7.3 and earlier. 2750 * 2751 * @since 6.8.0 2752 * 2753 * @param string|int $algorithm The hashing algorithm. Default is the value of the `PASSWORD_BCRYPT` constant. 2754 */ 2755 $algorithm = apply_filters( 'wp_hash_password_algorithm', PASSWORD_BCRYPT ); 2756 2757 /** 2758 * Filters the options passed to the password_hash() and password_needs_rehash() functions. 2759 * 2760 * The default hashing algorithm is bcrypt, but this can be changed via the {@see 'wp_hash_password_algorithm'} 2761 * filter. You must ensure that the options are appropriate for the algorithm in use. 2762 * 2763 * The values of the algorithm constants are strings in PHP 7.4+ and integers in PHP 7.3 and earlier. 2764 * 2765 * @since 6.8.0 2766 * 2767 * @param array $options Array of options to pass to the password hashing functions. 2768 * By default this is an empty array which means the default 2769 * options will be used. 2770 * @param string|int $algorithm The hashing algorithm in use. 2771 */ 2772 $options = apply_filters( 'wp_hash_password_options', array(), $algorithm ); 2773 2774 // Algorithms other than bcrypt don't need to use pre-hashing. 2775 if ( PASSWORD_BCRYPT !== $algorithm ) { 2776 return password_hash( $password, $algorithm, $options ); 2777 } 2778 2779 // Use SHA-384 to retain entropy from a password that's longer than 72 bytes, and a `wp-sha384` key for domain separation. 2780 $password_to_hash = base64_encode( hash_hmac( 'sha384', trim( $password ), 'wp-sha384', true ) ); 2781 2782 // Add a prefix to facilitate distinguishing vanilla bcrypt hashes. 2783 return '$wp' . password_hash( $password_to_hash, $algorithm, $options ); 2784 } 2785 endif; 2786 2787 if ( ! function_exists( 'wp_check_password' ) ) : 2788 /** 2789 * Checks a plaintext password against a hashed password. 2790 * 2791 * Note that this function may be used to check a value that is not a user password. 2792 * A plugin may use this function to check a password of a different type, and there 2793 * may not always be a user ID associated with the password. 2794 * 2795 * For integration with other applications, this function can be overwritten to 2796 * instead use the other package password hashing algorithm. 2797 * 2798 * @since 2.5.0 2799 * @since 6.8.0 Passwords in WordPress are now hashed with bcrypt by default. A 2800 * password that wasn't hashed with bcrypt will be checked with phpass. 2801 * 2802 * @global PasswordHash $wp_hasher phpass object. Used as a fallback for verifying 2803 * passwords that were hashed with phpass. 2804 * 2805 * @param string $password Plaintext password. 2806 * @param string $hash Hash of the password to check against. 2807 * @param string|int $user_id Optional. ID of a user associated with the password. 2808 * @return bool False, if the $password does not match the hashed password. 2809 */ 2810 function wp_check_password( 2811 #[\SensitiveParameter] 2812 $password, 2813 $hash, 2814 $user_id = '' 2815 ) { 2816 global $wp_hasher; 2817 2818 if ( strlen( $hash ) <= 32 ) { 2819 // Check the hash using md5 regardless of the current hashing mechanism. 2820 $check = hash_equals( $hash, md5( $password ) ); 2821 } elseif ( ! empty( $wp_hasher ) ) { 2822 // Check the password using the overridden hasher. 2823 $check = $wp_hasher->CheckPassword( $password, $hash ); 2824 } elseif ( strlen( $password ) > 4096 ) { 2825 // Passwords longer than 4096 characters are not supported. 2826 $check = false; 2827 } elseif ( str_starts_with( $hash, '$wp' ) ) { 2828 // Check the password using the current prefixed hash. 2829 $password_to_verify = base64_encode( hash_hmac( 'sha384', $password, 'wp-sha384', true ) ); 2830 $check = password_verify( $password_to_verify, substr( $hash, 3 ) ); 2831 } elseif ( str_starts_with( $hash, '$P$' ) ) { 2832 // Check the password using phpass. 2833 require_once ABSPATH . WPINC . '/class-phpass.php'; 2834 $check = ( new PasswordHash( 8, true ) )->CheckPassword( $password, $hash ); 2835 } else { 2836 // Check the password using compat support for any non-prefixed hash. 2837 $check = password_verify( $password, $hash ); 2838 } 2839 2840 /** 2841 * Filters whether the plaintext password matches the hashed password. 2842 * 2843 * @since 2.5.0 2844 * @since 6.8.0 Passwords are now hashed with bcrypt by default. 2845 * Old passwords may still be hashed with phpass or md5. 2846 * 2847 * @param bool $check Whether the passwords match. 2848 * @param string $password The plaintext password. 2849 * @param string $hash The hashed password. 2850 * @param string|int $user_id Optional ID of a user associated with the password. 2851 * Can be empty. 2852 */ 2853 return apply_filters( 'check_password', $check, $password, $hash, $user_id ); 2854 } 2855 endif; 2856 2857 if ( ! function_exists( 'wp_password_needs_rehash' ) ) : 2858 /** 2859 * Checks whether a password hash needs to be rehashed. 2860 * 2861 * Passwords are hashed with bcrypt using the default cost. A password hashed in a prior version 2862 * of WordPress may still be hashed with phpass and will need to be rehashed. If the default cost 2863 * or algorithm is changed in PHP or WordPress then a password hashed in a previous version will 2864 * need to be rehashed. 2865 * 2866 * Note that, just like wp_check_password(), this function may be used to check a value that is 2867 * not a user password. A plugin may use this function to check a password of a different type, 2868 * and there may not always be a user ID associated with the password. 2869 * 2870 * @since 6.8.0 2871 * 2872 * @global PasswordHash $wp_hasher phpass object. 2873 * 2874 * @param string $hash Hash of a password to check. 2875 * @param string|int $user_id Optional. ID of a user associated with the password. 2876 * @return bool Whether the hash needs to be rehashed. 2877 */ 2878 function wp_password_needs_rehash( $hash, $user_id = '' ) { 2879 global $wp_hasher; 2880 2881 if ( ! empty( $wp_hasher ) ) { 2882 return false; 2883 } 2884 2885 /** This filter is documented in wp-includes/pluggable.php */ 2886 $algorithm = apply_filters( 'wp_hash_password_algorithm', PASSWORD_BCRYPT ); 2887 2888 /** This filter is documented in wp-includes/pluggable.php */ 2889 $options = apply_filters( 'wp_hash_password_options', array(), $algorithm ); 2890 2891 $prefixed = str_starts_with( $hash, '$wp' ); 2892 2893 if ( ( PASSWORD_BCRYPT === $algorithm ) && ! $prefixed ) { 2894 // If bcrypt is in use and the hash is not prefixed then it needs to be rehashed. 2895 $needs_rehash = true; 2896 } else { 2897 // Otherwise check the hash minus its prefix if necessary. 2898 $hash_to_check = $prefixed ? substr( $hash, 3 ) : $hash; 2899 $needs_rehash = password_needs_rehash( $hash_to_check, $algorithm, $options ); 2900 } 2901 2902 /** 2903 * Filters whether the password hash needs to be rehashed. 2904 * 2905 * @since 6.8.0 2906 * 2907 * @param bool $needs_rehash Whether the password hash needs to be rehashed. 2908 * @param string $hash The password hash. 2909 * @param string|int $user_id Optional. ID of a user associated with the password. 2910 */ 2911 return apply_filters( 'password_needs_rehash', $needs_rehash, $hash, $user_id ); 2912 } 2913 endif; 2914 2915 if ( ! function_exists( 'wp_generate_password' ) ) : 2916 /** 2917 * Generates a random password drawn from the defined set of characters. 2918 * 2919 * Uses wp_rand() to create passwords with far less predictability 2920 * than similar native PHP functions like `rand()` or `mt_rand()`. 2921 * 2922 * @since 2.5.0 2923 * 2924 * @param int $length Optional. The length of password to generate. Default 12. 2925 * @param bool $special_chars Optional. Whether to include standard special characters. 2926 * Default true. 2927 * @param bool $extra_special_chars Optional. Whether to include other special characters. 2928 * Used when generating secret keys and salts. Default false. 2929 * @return string The random password. 2930 */ 2931 function wp_generate_password( $length = 12, $special_chars = true, $extra_special_chars = false ) { 2932 $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; 2933 if ( $special_chars ) { 2934 $chars .= '!@#$%^&*()'; 2935 } 2936 if ( $extra_special_chars ) { 2937 $chars .= '-_ []{}<>~`+=,.;:/?|'; 2938 } 2939 2940 $password = ''; 2941 for ( $i = 0; $i < $length; $i++ ) { 2942 $password .= substr( $chars, wp_rand( 0, strlen( $chars ) - 1 ), 1 ); 2943 } 2944 2945 /** 2946 * Filters the randomly-generated password. 2947 * 2948 * @since 3.0.0 2949 * @since 5.3.0 Added the `$length`, `$special_chars`, and `$extra_special_chars` parameters. 2950 * 2951 * @param string $password The generated password. 2952 * @param int $length The length of password to generate. 2953 * @param bool $special_chars Whether to include standard special characters. 2954 * @param bool $extra_special_chars Whether to include other special characters. 2955 */ 2956 return apply_filters( 'random_password', $password, $length, $special_chars, $extra_special_chars ); 2957 } 2958 endif; 2959 2960 if ( ! function_exists( 'wp_rand' ) ) : 2961 /** 2962 * Generates a random non-negative number. 2963 * 2964 * @since 2.6.2 2965 * @since 4.4.0 Uses PHP7 random_int() or the random_compat library if available. 2966 * @since 6.1.0 Returns zero instead of a random number if both `$min` and `$max` are zero. 2967 * 2968 * @global string $rnd_value 2969 * 2970 * @param int $min Optional. Lower limit for the generated number. 2971 * Accepts positive integers or zero. Defaults to 0. 2972 * @param int $max Optional. Upper limit for the generated number. 2973 * Accepts positive integers. Defaults to 4294967295. 2974 * @return int A random non-negative number between min and max. 2975 */ 2976 function wp_rand( $min = null, $max = null ) { 2977 global $rnd_value; 2978 2979 /* 2980 * Some misconfigured 32-bit environments (Entropy PHP, for example) 2981 * truncate integers larger than PHP_INT_MAX to PHP_INT_MAX rather than overflowing them to floats. 2982 */ 2983 $max_random_number = 3000000000 === 2147483647 ? (float) '4294967295' : 4294967295; // 4294967295 = 0xffffffff 2984 2985 if ( null === $min ) { 2986 $min = 0; 2987 } 2988 2989 if ( null === $max ) { 2990 $max = $max_random_number; 2991 } 2992 2993 // We only handle ints, floats are truncated to their integer value. 2994 $min = (int) $min; 2995 $max = (int) $max; 2996 2997 // Use PHP's CSPRNG, or a compatible method. 2998 static $use_random_int_functionality = true; 2999 if ( $use_random_int_functionality ) { 3000 try { 3001 // wp_rand() can accept arguments in either order, PHP cannot. 3002 $_max = max( $min, $max ); 3003 $_min = min( $min, $max ); 3004 $val = random_int( $_min, $_max ); 3005 if ( false !== $val ) { 3006 return absint( $val ); 3007 } else { 3008 $use_random_int_functionality = false; 3009 } 3010 } catch ( Error $e ) { 3011 $use_random_int_functionality = false; 3012 } catch ( Exception $e ) { 3013 $use_random_int_functionality = false; 3014 } 3015 } 3016 3017 /* 3018 * Reset $rnd_value after 14 uses. 3019 * 32 (md5) + 40 (sha1) + 40 (sha1) / 8 = 14 random numbers from $rnd_value. 3020 */ 3021 if ( strlen( $rnd_value ) < 8 ) { 3022 if ( defined( 'WP_SETUP_CONFIG' ) ) { 3023 static $seed = ''; 3024 } else { 3025 $seed = get_transient( 'random_seed' ); 3026 } 3027 $rnd_value = md5( uniqid( microtime() . mt_rand(), true ) . $seed ); 3028 $rnd_value .= sha1( $rnd_value ); 3029 $rnd_value .= sha1( $rnd_value . $seed ); 3030 $seed = md5( $seed . $rnd_value ); 3031 if ( ! defined( 'WP_SETUP_CONFIG' ) && ! defined( 'WP_INSTALLING' ) ) { 3032 set_transient( 'random_seed', $seed ); 3033 } 3034 } 3035 3036 // Take the first 8 digits for our value. 3037 $value = substr( $rnd_value, 0, 8 ); 3038 3039 // Strip the first eight, leaving the remainder for the next call to wp_rand(). 3040 $rnd_value = substr( $rnd_value, 8 ); 3041 3042 $value = abs( hexdec( $value ) ); 3043 3044 // Reduce the value to be within the min - max range. 3045 $value = $min + ( $max - $min + 1 ) * $value / ( $max_random_number + 1 ); 3046 3047 return abs( (int) $value ); 3048 } 3049 endif; 3050 3051 if ( ! function_exists( 'wp_set_password' ) ) : 3052 /** 3053 * Updates the user's password with a new hashed one. 3054 * 3055 * For integration with other applications, this function can be overwritten to 3056 * instead use the other package password checking algorithm. 3057 * 3058 * Please note: This function should be used sparingly and is really only meant for single-time 3059 * application. Leveraging this improperly in a plugin or theme could result in an endless loop 3060 * of password resets if precautions are not taken to ensure it does not execute on every page load. 3061 * 3062 * @since 2.5.0 3063 * @since 6.8.0 The password is now hashed using bcrypt by default instead of phpass. 3064 * 3065 * @global wpdb $wpdb WordPress database abstraction object. 3066 * 3067 * @param string $password The plaintext new user password. 3068 * @param int $user_id User ID. 3069 */ 3070 function wp_set_password( 3071 #[\SensitiveParameter] 3072 $password, 3073 $user_id 3074 ) { 3075 global $wpdb; 3076 3077 $old_user_data = get_userdata( $user_id ); 3078 3079 $hash = wp_hash_password( $password ); 3080 $wpdb->update( 3081 $wpdb->users, 3082 array( 3083 'user_pass' => $hash, 3084 'user_activation_key' => '', 3085 ), 3086 array( 'ID' => $user_id ) 3087 ); 3088 3089 clean_user_cache( $user_id ); 3090 3091 /** 3092 * Fires after the user password is set. 3093 * 3094 * @since 6.2.0 3095 * @since 6.7.0 The `$old_user_data` parameter was added. 3096 * 3097 * @param string $password The plaintext password just set. 3098 * @param int $user_id The ID of the user whose password was just set. 3099 * @param WP_User $old_user_data Object containing user's data prior to update. 3100 */ 3101 do_action( 'wp_set_password', $password, $user_id, $old_user_data ); 3102 } 3103 endif; 3104 3105 if ( ! function_exists( 'get_avatar' ) ) : 3106 /** 3107 * Retrieves the avatar `<img>` tag for a user, email address, MD5 hash, comment, or post. 3108 * 3109 * @since 2.5.0 3110 * @since 4.2.0 Added the optional `$args` parameter. 3111 * @since 5.5.0 Added the `loading` argument. 3112 * @since 6.1.0 Added the `decoding` argument. 3113 * @since 6.3.0 Added the `fetchpriority` argument. 3114 * 3115 * @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash, 3116 * user email, WP_User object, WP_Post object, or WP_Comment object. 3117 * @param int $size Optional. Height and width of the avatar in pixels. Default 96. 3118 * @param string $default_value URL for the default image or a default type. Accepts: 3119 * - '404' (return a 404 instead of a default image) 3120 * - 'retro' (a 8-bit arcade-style pixelated face) 3121 * - 'robohash' (a robot) 3122 * - 'monsterid' (a monster) 3123 * - 'wavatar' (a cartoon face) 3124 * - 'identicon' (the "quilt", a geometric pattern) 3125 * - 'initials' (initials based avatar with background color) 3126 * - 'color' (generated background color) 3127 * - 'mystery', 'mm', or 'mysteryman' (The Oyster Man) 3128 * - 'blank' (transparent GIF) 3129 * - 'gravatar_default' (the Gravatar logo) 3130 * Default is the value of the 'avatar_default' option, 3131 * with a fallback of 'mystery'. 3132 * @param string $alt Optional. Alternative text to use in the avatar image tag. 3133 * Default empty. 3134 * @param array $args { 3135 * Optional. Extra arguments to retrieve the avatar. 3136 * 3137 * @type int $height Display height of the avatar in pixels. Defaults to $size. 3138 * @type int $width Display width of the avatar in pixels. Defaults to $size. 3139 * @type bool $force_default Whether to always show the default image, never the Gravatar. 3140 * Default false. 3141 * @type string $rating What rating to display avatars up to. Accepts: 3142 * - 'G' (suitable for all audiences) 3143 * - 'PG' (possibly offensive, usually for audiences 13 and above) 3144 * - 'R' (intended for adult audiences above 17) 3145 * - 'X' (even more mature than above) 3146 * Default is the value of the 'avatar_rating' option. 3147 * @type string $scheme URL scheme to use. See set_url_scheme() for accepted values. 3148 * Default null. 3149 * @type array|string $class Array or string of additional classes to add to the img element. 3150 * Default null. 3151 * @type bool $force_display Whether to always show the avatar - ignores the show_avatars option. 3152 * Default false. 3153 * @type string $loading Value for the `loading` attribute. 3154 * Default null. 3155 * @type string $fetchpriority Value for the `fetchpriority` attribute. 3156 * Default null. 3157 * @type string $decoding Value for the `decoding` attribute. 3158 * Default null. 3159 * @type string $extra_attr HTML attributes to insert in the IMG element. Is not sanitized. 3160 * Default empty. 3161 * } 3162 * @return string|false `<img>` tag for the user's avatar. False on failure. 3163 */ 3164 function get_avatar( $id_or_email, $size = 96, $default_value = '', $alt = '', $args = null ) { 3165 $defaults = array( 3166 // get_avatar_data() args. 3167 'size' => 96, 3168 'height' => null, 3169 'width' => null, 3170 'default' => get_option( 'avatar_default', 'mystery' ), 3171 'force_default' => false, 3172 'rating' => get_option( 'avatar_rating' ), 3173 'scheme' => null, 3174 'alt' => '', 3175 'class' => null, 3176 'force_display' => false, 3177 'loading' => null, 3178 'fetchpriority' => null, 3179 'decoding' => null, 3180 'extra_attr' => '', 3181 ); 3182 3183 if ( empty( $args ) ) { 3184 $args = array(); 3185 } 3186 3187 $args['size'] = (int) $size; 3188 $args['default'] = $default_value; 3189 $args['alt'] = $alt; 3190 3191 $args = wp_parse_args( $args, $defaults ); 3192 3193 if ( empty( $args['height'] ) ) { 3194 $args['height'] = $args['size']; 3195 } 3196 if ( empty( $args['width'] ) ) { 3197 $args['width'] = $args['size']; 3198 } 3199 3200 // Update args with loading optimized attributes. 3201 $loading_optimization_attr = wp_get_loading_optimization_attributes( 'img', $args, 'get_avatar' ); 3202 3203 $args = array_merge( $args, $loading_optimization_attr ); 3204 3205 if ( is_object( $id_or_email ) && isset( $id_or_email->comment_ID ) ) { 3206 $id_or_email = get_comment( $id_or_email ); 3207 } 3208 3209 /** 3210 * Allows the HTML for a user's avatar to be returned early. 3211 * 3212 * Returning a non-null value will effectively short-circuit get_avatar(), passing 3213 * the value through the {@see 'get_avatar'} filter and returning early. 3214 * 3215 * @since 4.2.0 3216 * 3217 * @param string|null $avatar HTML for the user's avatar. Default null. 3218 * @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash, 3219 * user email, WP_User object, WP_Post object, or WP_Comment object. 3220 * @param array $args Arguments passed to get_avatar_url(), after processing. 3221 */ 3222 $avatar = apply_filters( 'pre_get_avatar', null, $id_or_email, $args ); 3223 3224 if ( ! is_null( $avatar ) ) { 3225 /** This filter is documented in wp-includes/pluggable.php */ 3226 return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args ); 3227 } 3228 3229 if ( ! $args['force_display'] && ! get_option( 'show_avatars' ) ) { 3230 return false; 3231 } 3232 3233 $url2x = get_avatar_url( $id_or_email, array_merge( $args, array( 'size' => $args['size'] * 2 ) ) ); 3234 3235 $args = get_avatar_data( $id_or_email, $args ); 3236 3237 $url = $args['url']; 3238 3239 if ( ! $url || is_wp_error( $url ) ) { 3240 return false; 3241 } 3242 3243 $class = array( 'avatar', 'avatar-' . (int) $args['size'], 'photo' ); 3244 3245 if ( ! $args['found_avatar'] || $args['force_default'] ) { 3246 $class[] = 'avatar-default'; 3247 } 3248 3249 if ( $args['class'] ) { 3250 if ( is_array( $args['class'] ) ) { 3251 $class = array_merge( $class, $args['class'] ); 3252 } else { 3253 $class[] = $args['class']; 3254 } 3255 } 3256 3257 // Add `loading`, `fetchpriority`, and `decoding` attributes. 3258 $extra_attr = $args['extra_attr']; 3259 3260 if ( in_array( $args['loading'], array( 'lazy', 'eager' ), true ) 3261 && ! preg_match( '/\bloading\s*=/', $extra_attr ) 3262 ) { 3263 if ( ! empty( $extra_attr ) ) { 3264 $extra_attr .= ' '; 3265 } 3266 3267 $extra_attr .= "loading='{$args['loading']}'"; 3268 } 3269 3270 if ( in_array( $args['fetchpriority'], array( 'high', 'low', 'auto' ), true ) 3271 && ! preg_match( '/\bfetchpriority\s*=/', $extra_attr ) 3272 ) { 3273 if ( ! empty( $extra_attr ) ) { 3274 $extra_attr .= ' '; 3275 } 3276 3277 $extra_attr .= "fetchpriority='{$args['fetchpriority']}'"; 3278 } 3279 3280 if ( in_array( $args['decoding'], array( 'async', 'sync', 'auto' ), true ) 3281 && ! preg_match( '/\bdecoding\s*=/', $extra_attr ) 3282 ) { 3283 if ( ! empty( $extra_attr ) ) { 3284 $extra_attr .= ' '; 3285 } 3286 3287 $extra_attr .= "decoding='{$args['decoding']}'"; 3288 } 3289 3290 $avatar = sprintf( 3291 "<img alt='%s' src='%s' srcset='%s' class='%s' height='%d' width='%d' %s/>", 3292 esc_attr( $args['alt'] ), 3293 esc_url( $url ), 3294 esc_url( $url2x ) . ' 2x', 3295 esc_attr( implode( ' ', $class ) ), 3296 (int) $args['height'], 3297 (int) $args['width'], 3298 $extra_attr 3299 ); 3300 3301 /** 3302 * Filters the HTML for a user's avatar. 3303 * 3304 * @since 2.5.0 3305 * @since 4.2.0 Added the `$args` parameter. 3306 * 3307 * @param string $avatar HTML for the user's avatar. 3308 * @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash, 3309 * user email, WP_User object, WP_Post object, or WP_Comment object. 3310 * @param int $size Height and width of the avatar in pixels. 3311 * @param string $default_value URL for the default image or a default type. Accepts: 3312 * - '404' (return a 404 instead of a default image) 3313 * - 'retro' (a 8-bit arcade-style pixelated face) 3314 * - 'robohash' (a robot) 3315 * - 'monsterid' (a monster) 3316 * - 'wavatar' (a cartoon face) 3317 * - 'identicon' (the "quilt", a geometric pattern) 3318 * - 'mystery', 'mm', or 'mysteryman' (The Oyster Man) 3319 * - 'blank' (transparent GIF) 3320 * - 'gravatar_default' (the Gravatar logo) 3321 * @param string $alt Alternative text to use in the avatar image tag. 3322 * @param array $args Arguments passed to get_avatar_data(), after processing. 3323 */ 3324 return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args ); 3325 } 3326 endif; 3327 3328 if ( ! function_exists( 'wp_text_diff' ) ) : 3329 /** 3330 * Displays a human readable HTML representation of the difference between two strings. 3331 * 3332 * The Diff is available for getting the changes between versions. The output is 3333 * HTML, so the primary use is for displaying the changes. If the two strings 3334 * are equivalent, then an empty string will be returned. 3335 * 3336 * @since 2.6.0 3337 * 3338 * @see wp_parse_args() Used to change defaults to user defined settings. 3339 * @uses Text_Diff 3340 * @uses WP_Text_Diff_Renderer_Table 3341 * 3342 * @param string $left_string "old" (left) version of string. 3343 * @param string $right_string "new" (right) version of string. 3344 * @param string|array $args { 3345 * Associative array of options to pass to WP_Text_Diff_Renderer_Table(). 3346 * 3347 * @type string $title Titles the diff in a manner compatible 3348 * with the output. Default empty. 3349 * @type string $title_left Change the HTML to the left of the title. 3350 * Default empty. 3351 * @type string $title_right Change the HTML to the right of the title. 3352 * Default empty. 3353 * @type bool $show_split_view True for split view (two columns), false for 3354 * un-split view (single column). Default true. 3355 * } 3356 * @return string Empty string if strings are equivalent or HTML with differences. 3357 */ 3358 function wp_text_diff( $left_string, $right_string, $args = null ) { 3359 $defaults = array( 3360 'title' => '', 3361 'title_left' => '', 3362 'title_right' => '', 3363 'show_split_view' => true, 3364 ); 3365 $args = wp_parse_args( $args, $defaults ); 3366 3367 if ( ! class_exists( 'WP_Text_Diff_Renderer_Table', false ) ) { 3368 require ABSPATH . WPINC . '/wp-diff.php'; 3369 } 3370 3371 $left_string = normalize_whitespace( $left_string ); 3372 $right_string = normalize_whitespace( $right_string ); 3373 3374 $left_lines = explode( "\n", $left_string ); 3375 $right_lines = explode( "\n", $right_string ); 3376 $text_diff = new Text_Diff( $left_lines, $right_lines ); 3377 $renderer = new WP_Text_Diff_Renderer_Table( $args ); 3378 $diff = $renderer->render( $text_diff ); 3379 3380 if ( ! $diff ) { 3381 return ''; 3382 } 3383 3384 $is_split_view = ! empty( $args['show_split_view'] ); 3385 $is_split_view_class = $is_split_view ? ' is-split-view' : ''; 3386 3387 $r = "<table class='diff$is_split_view_class'>\n"; 3388 3389 if ( $args['title'] ) { 3390 $r .= "<caption class='diff-title'>$args[title]</caption>\n"; 3391 } 3392 3393 if ( $args['title_left'] || $args['title_right'] ) { 3394 $r .= '<thead>'; 3395 } 3396 3397 if ( $args['title_left'] || $args['title_right'] ) { 3398 $th_or_td_left = empty( $args['title_left'] ) ? 'td' : 'th'; 3399 $th_or_td_right = empty( $args['title_right'] ) ? 'td' : 'th'; 3400 3401 $r .= "<tr class='diff-sub-title'>\n"; 3402 $r .= "\t<$th_or_td_left>$args[title_left]</$th_or_td_left>\n"; 3403 if ( $is_split_view ) { 3404 $r .= "\t<$th_or_td_right>$args[title_right]</$th_or_td_right>\n"; 3405 } 3406 $r .= "</tr>\n"; 3407 } 3408 3409 if ( $args['title_left'] || $args['title_right'] ) { 3410 $r .= "</thead>\n"; 3411 } 3412 3413 $r .= "<tbody>\n$diff\n</tbody>\n"; 3414 $r .= '</table>'; 3415 3416 return $r; 3417 } 3418 endif;
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| Generated : Thu Sep 4 08:20:02 2025 | Cross-referenced by PHPXref |