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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 * @since 1.2.1 162 * @since 5.5.0 is_email() is used for email validation, 163 * instead of PHPMailer's default validator. 164 * 165 * @global PHPMailer\PHPMailer\PHPMailer $phpmailer 166 * 167 * @param string|string[] $to Array or comma-separated list of email addresses to send message. 168 * @param string $subject Email subject. 169 * @param string $message Message contents. 170 * @param string|string[] $headers Optional. Additional headers. 171 * @param string|string[] $attachments Optional. Paths to files to attach. 172 * @return bool Whether the email was sent successfully. 173 */ 174 function wp_mail( $to, $subject, $message, $headers = '', $attachments = array() ) { 175 // Compact the input, apply the filters, and extract them back out. 176 177 /** 178 * Filters the wp_mail() arguments. 179 * 180 * @since 2.2.0 181 * 182 * @param array $args { 183 * Array of the `wp_mail()` arguments. 184 * 185 * @type string|string[] $to Array or comma-separated list of email addresses to send message. 186 * @type string $subject Email subject. 187 * @type string $message Message contents. 188 * @type string|string[] $headers Additional headers. 189 * @type string|string[] $attachments Paths to files to attach. 190 * } 191 */ 192 $atts = apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers', 'attachments' ) ); 193 194 /** 195 * Filters whether to preempt sending an email. 196 * 197 * Returning a non-null value will short-circuit {@see wp_mail()}, returning 198 * that value instead. A boolean return value should be used to indicate whether 199 * the email was successfully sent. 200 * 201 * @since 5.7.0 202 * 203 * @param null|bool $return Short-circuit return value. 204 * @param array $atts { 205 * Array of the `wp_mail()` arguments. 206 * 207 * @type string|string[] $to Array or comma-separated list of email addresses to send message. 208 * @type string $subject Email subject. 209 * @type string $message Message contents. 210 * @type string|string[] $headers Additional headers. 211 * @type string|string[] $attachments Paths to files to attach. 212 * } 213 */ 214 $pre_wp_mail = apply_filters( 'pre_wp_mail', null, $atts ); 215 216 if ( null !== $pre_wp_mail ) { 217 return $pre_wp_mail; 218 } 219 220 if ( isset( $atts['to'] ) ) { 221 $to = $atts['to']; 222 } 223 224 if ( ! is_array( $to ) ) { 225 $to = explode( ',', $to ); 226 } 227 228 if ( isset( $atts['subject'] ) ) { 229 $subject = $atts['subject']; 230 } 231 232 if ( isset( $atts['message'] ) ) { 233 $message = $atts['message']; 234 } 235 236 if ( isset( $atts['headers'] ) ) { 237 $headers = $atts['headers']; 238 } 239 240 if ( isset( $atts['attachments'] ) ) { 241 $attachments = $atts['attachments']; 242 } 243 244 if ( ! is_array( $attachments ) ) { 245 $attachments = explode( "\n", str_replace( "\r\n", "\n", $attachments ) ); 246 } 247 global $phpmailer; 248 249 // (Re)create it, if it's gone missing. 250 if ( ! ( $phpmailer instanceof PHPMailer\PHPMailer\PHPMailer ) ) { 251 require_once ABSPATH . WPINC . '/PHPMailer/PHPMailer.php'; 252 require_once ABSPATH . WPINC . '/PHPMailer/SMTP.php'; 253 require_once ABSPATH . WPINC . '/PHPMailer/Exception.php'; 254 require_once ABSPATH . WPINC . '/class-wp-phpmailer.php'; 255 $phpmailer = new WP_PHPMailer( true ); 256 257 $phpmailer::$validator = static function ( $email ) { 258 return (bool) is_email( $email ); 259 }; 260 } 261 262 // Headers. 263 $cc = array(); 264 $bcc = array(); 265 $reply_to = array(); 266 267 if ( empty( $headers ) ) { 268 $headers = array(); 269 } else { 270 if ( ! is_array( $headers ) ) { 271 /* 272 * Explode the headers out, so this function can take 273 * both string headers and an array of headers. 274 */ 275 $tempheaders = explode( "\n", str_replace( "\r\n", "\n", $headers ) ); 276 } else { 277 $tempheaders = $headers; 278 } 279 $headers = array(); 280 281 // If it's actually got contents. 282 if ( ! empty( $tempheaders ) ) { 283 // Iterate through the raw headers. 284 foreach ( (array) $tempheaders as $header ) { 285 if ( ! str_contains( $header, ':' ) ) { 286 if ( false !== stripos( $header, 'boundary=' ) ) { 287 $parts = preg_split( '/boundary=/i', trim( $header ) ); 288 $boundary = trim( str_replace( array( "'", '"' ), '', $parts[1] ) ); 289 } 290 continue; 291 } 292 // Explode them out. 293 list( $name, $content ) = explode( ':', trim( $header ), 2 ); 294 295 // Cleanup crew. 296 $name = trim( $name ); 297 $content = trim( $content ); 298 299 switch ( strtolower( $name ) ) { 300 // Mainly for legacy -- process a "From:" header if it's there. 301 case 'from': 302 $bracket_pos = strpos( $content, '<' ); 303 if ( false !== $bracket_pos ) { 304 // Text before the bracketed email is the "From" name. 305 if ( $bracket_pos > 0 ) { 306 $from_name = substr( $content, 0, $bracket_pos ); 307 $from_name = str_replace( '"', '', $from_name ); 308 $from_name = trim( $from_name ); 309 } 310 311 $from_email = substr( $content, $bracket_pos + 1 ); 312 $from_email = str_replace( '>', '', $from_email ); 313 $from_email = trim( $from_email ); 314 315 // Avoid setting an empty $from_email. 316 } elseif ( '' !== trim( $content ) ) { 317 $from_email = trim( $content ); 318 } 319 break; 320 case 'content-type': 321 if ( str_contains( $content, ';' ) ) { 322 list( $type, $charset_content ) = explode( ';', $content ); 323 $content_type = trim( $type ); 324 if ( false !== stripos( $charset_content, 'charset=' ) ) { 325 $charset = trim( str_replace( array( 'charset=', '"' ), '', $charset_content ) ); 326 } elseif ( false !== stripos( $charset_content, 'boundary=' ) ) { 327 $boundary = trim( str_replace( array( 'BOUNDARY=', 'boundary=', '"' ), '', $charset_content ) ); 328 $charset = ''; 329 } 330 331 // Avoid setting an empty $content_type. 332 } elseif ( '' !== trim( $content ) ) { 333 $content_type = trim( $content ); 334 } 335 break; 336 case 'cc': 337 $cc = array_merge( (array) $cc, explode( ',', $content ) ); 338 break; 339 case 'bcc': 340 $bcc = array_merge( (array) $bcc, explode( ',', $content ) ); 341 break; 342 case 'reply-to': 343 $reply_to = array_merge( (array) $reply_to, explode( ',', $content ) ); 344 break; 345 default: 346 // Add it to our grand headers array. 347 $headers[ trim( $name ) ] = trim( $content ); 348 break; 349 } 350 } 351 } 352 } 353 354 // Empty out the values that may be set. 355 $phpmailer->clearAllRecipients(); 356 $phpmailer->clearAttachments(); 357 $phpmailer->clearCustomHeaders(); 358 $phpmailer->clearReplyTos(); 359 $phpmailer->Body = ''; 360 $phpmailer->AltBody = ''; 361 362 // Set "From" name and email. 363 364 // If we don't have a name from the input headers. 365 if ( ! isset( $from_name ) ) { 366 $from_name = 'WordPress'; 367 } 368 369 /* 370 * If we don't have an email from the input headers, default to wordpress@$sitename 371 * Some hosts will block outgoing mail from this address if it doesn't exist, 372 * but there's no easy alternative. Defaulting to admin_email might appear to be 373 * another option, but some hosts may refuse to relay mail from an unknown domain. 374 * See https://core.trac.wordpress.org/ticket/5007. 375 */ 376 if ( ! isset( $from_email ) ) { 377 // Get the site domain and get rid of www. 378 $sitename = wp_parse_url( network_home_url(), PHP_URL_HOST ); 379 $from_email = 'wordpress@'; 380 381 if ( null !== $sitename ) { 382 if ( str_starts_with( $sitename, 'www.' ) ) { 383 $sitename = substr( $sitename, 4 ); 384 } 385 386 $from_email .= $sitename; 387 } 388 } 389 390 /** 391 * Filters the email address to send from. 392 * 393 * @since 2.2.0 394 * 395 * @param string $from_email Email address to send from. 396 */ 397 $from_email = apply_filters( 'wp_mail_from', $from_email ); 398 399 /** 400 * Filters the name to associate with the "from" email address. 401 * 402 * @since 2.3.0 403 * 404 * @param string $from_name Name associated with the "from" email address. 405 */ 406 $from_name = apply_filters( 'wp_mail_from_name', $from_name ); 407 408 try { 409 $phpmailer->setFrom( $from_email, $from_name, false ); 410 } catch ( PHPMailer\PHPMailer\Exception $e ) { 411 $mail_error_data = compact( 'to', 'subject', 'message', 'headers', 'attachments' ); 412 $mail_error_data['phpmailer_exception_code'] = $e->getCode(); 413 414 /** This filter is documented in wp-includes/pluggable.php */ 415 do_action( 'wp_mail_failed', new WP_Error( 'wp_mail_failed', $e->getMessage(), $mail_error_data ) ); 416 417 return false; 418 } 419 420 // Set mail's subject and body. 421 $phpmailer->Subject = $subject; 422 $phpmailer->Body = $message; 423 424 // Set destination addresses, using appropriate methods for handling addresses. 425 $address_headers = compact( 'to', 'cc', 'bcc', 'reply_to' ); 426 427 foreach ( $address_headers as $address_header => $addresses ) { 428 if ( empty( $addresses ) ) { 429 continue; 430 } 431 432 foreach ( (array) $addresses as $address ) { 433 try { 434 // Break $recipient into name and address parts if in the format "Foo <bar@baz.com>". 435 $recipient_name = ''; 436 437 if ( preg_match( '/(.*)<(.+)>/', $address, $matches ) ) { 438 if ( count( $matches ) === 3 ) { 439 $recipient_name = $matches[1]; 440 $address = $matches[2]; 441 } 442 } 443 444 switch ( $address_header ) { 445 case 'to': 446 $phpmailer->addAddress( $address, $recipient_name ); 447 break; 448 case 'cc': 449 $phpmailer->addCc( $address, $recipient_name ); 450 break; 451 case 'bcc': 452 $phpmailer->addBcc( $address, $recipient_name ); 453 break; 454 case 'reply_to': 455 $phpmailer->addReplyTo( $address, $recipient_name ); 456 break; 457 } 458 } catch ( PHPMailer\PHPMailer\Exception $e ) { 459 continue; 460 } 461 } 462 } 463 464 // Set to use PHP's mail(). 465 $phpmailer->isMail(); 466 467 // Set Content-Type and charset. 468 469 // If we don't have a Content-Type from the input headers. 470 if ( ! isset( $content_type ) ) { 471 $content_type = 'text/plain'; 472 } 473 474 /** 475 * Filters the wp_mail() content type. 476 * 477 * @since 2.3.0 478 * 479 * @param string $content_type Default wp_mail() content type. 480 */ 481 $content_type = apply_filters( 'wp_mail_content_type', $content_type ); 482 483 $phpmailer->ContentType = $content_type; 484 485 // Set whether it's plaintext, depending on $content_type. 486 if ( 'text/html' === $content_type ) { 487 $phpmailer->isHTML( true ); 488 } 489 490 // If we don't have a charset from the input headers. 491 if ( ! isset( $charset ) ) { 492 $charset = get_bloginfo( 'charset' ); 493 } 494 495 /** 496 * Filters the default wp_mail() charset. 497 * 498 * @since 2.3.0 499 * 500 * @param string $charset Default email charset. 501 */ 502 $phpmailer->CharSet = apply_filters( 'wp_mail_charset', $charset ); 503 504 // Set custom headers. 505 if ( ! empty( $headers ) ) { 506 foreach ( (array) $headers as $name => $content ) { 507 // Only add custom headers not added automatically by PHPMailer. 508 if ( ! in_array( $name, array( 'MIME-Version', 'X-Mailer' ), true ) ) { 509 try { 510 $phpmailer->addCustomHeader( sprintf( '%1$s: %2$s', $name, $content ) ); 511 } catch ( PHPMailer\PHPMailer\Exception $e ) { 512 continue; 513 } 514 } 515 } 516 517 if ( false !== stripos( $content_type, 'multipart' ) && ! empty( $boundary ) ) { 518 $phpmailer->addCustomHeader( sprintf( 'Content-Type: %s; boundary="%s"', $content_type, $boundary ) ); 519 } 520 } 521 522 if ( ! empty( $attachments ) ) { 523 foreach ( $attachments as $filename => $attachment ) { 524 $filename = is_string( $filename ) ? $filename : ''; 525 526 try { 527 $phpmailer->addAttachment( $attachment, $filename ); 528 } catch ( PHPMailer\PHPMailer\Exception $e ) { 529 continue; 530 } 531 } 532 } 533 534 /** 535 * Fires after PHPMailer is initialized. 536 * 537 * @since 2.2.0 538 * 539 * @param PHPMailer $phpmailer The PHPMailer instance (passed by reference). 540 */ 541 do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) ); 542 543 $mail_data = compact( 'to', 'subject', 'message', 'headers', 'attachments' ); 544 545 // Send! 546 try { 547 $send = $phpmailer->send(); 548 549 /** 550 * Fires after PHPMailer has successfully sent an email. 551 * 552 * The firing of this action does not necessarily mean that the recipient(s) received the 553 * email successfully. It only means that the `send` method above was able to 554 * process the request without any errors. 555 * 556 * @since 5.9.0 557 * 558 * @param array $mail_data { 559 * An array containing the email recipient(s), subject, message, headers, and attachments. 560 * 561 * @type string[] $to Email addresses to send message. 562 * @type string $subject Email subject. 563 * @type string $message Message contents. 564 * @type string[] $headers Additional headers. 565 * @type string[] $attachments Paths to files to attach. 566 * } 567 */ 568 do_action( 'wp_mail_succeeded', $mail_data ); 569 570 return $send; 571 } catch ( PHPMailer\PHPMailer\Exception $e ) { 572 $mail_data['phpmailer_exception_code'] = $e->getCode(); 573 574 /** 575 * Fires after a PHPMailer\PHPMailer\Exception is caught. 576 * 577 * @since 4.4.0 578 * 579 * @param WP_Error $error A WP_Error object with the PHPMailer\PHPMailer\Exception message, and an array 580 * containing the mail recipient, subject, message, headers, and attachments. 581 */ 582 do_action( 'wp_mail_failed', new WP_Error( 'wp_mail_failed', $e->getMessage(), $mail_data ) ); 583 584 return false; 585 } 586 } 587 endif; 588 589 if ( ! function_exists( 'wp_authenticate' ) ) : 590 /** 591 * Authenticates a user, confirming the login credentials are valid. 592 * 593 * @since 2.5.0 594 * @since 4.5.0 `$username` now accepts an email address. 595 * 596 * @param string $username User's username or email address. 597 * @param string $password User's password. 598 * @return WP_User|WP_Error WP_User object if the credentials are valid, 599 * otherwise WP_Error. 600 */ 601 function wp_authenticate( 602 $username, 603 #[\SensitiveParameter] 604 $password 605 ) { 606 $username = sanitize_user( $username ); 607 $password = trim( $password ); 608 609 /** 610 * Filters whether a set of user login credentials are valid. 611 * 612 * A WP_User object is returned if the credentials authenticate a user. 613 * WP_Error or null otherwise. 614 * 615 * @since 2.8.0 616 * @since 4.5.0 `$username` now accepts an email address. 617 * 618 * @param null|WP_User|WP_Error $user WP_User if the user is authenticated. 619 * WP_Error or null otherwise. 620 * @param string $username Username or email address. 621 * @param string $password User password. 622 */ 623 $user = apply_filters( 'authenticate', null, $username, $password ); 624 625 if ( null === $user || false === $user ) { 626 /* 627 * TODO: What should the error message be? (Or would these even happen?) 628 * Only needed if all authentication handlers fail to return anything. 629 */ 630 $user = new WP_Error( 'authentication_failed', __( '<strong>Error:</strong> Invalid username, email address or incorrect password.' ) ); 631 } 632 633 $ignore_codes = array( 'empty_username', 'empty_password' ); 634 635 if ( is_wp_error( $user ) && ! in_array( $user->get_error_code(), $ignore_codes, true ) ) { 636 $error = $user; 637 638 /** 639 * Fires after a user login has failed. 640 * 641 * @since 2.5.0 642 * @since 4.5.0 The value of `$username` can now be an email address. 643 * @since 5.4.0 The `$error` parameter was added. 644 * 645 * @param string $username Username or email address. 646 * @param WP_Error $error A WP_Error object with the authentication failure details. 647 */ 648 do_action( 'wp_login_failed', $username, $error ); 649 } 650 651 return $user; 652 } 653 endif; 654 655 if ( ! function_exists( 'wp_logout' ) ) : 656 /** 657 * Logs the current user out. 658 * 659 * @since 2.5.0 660 */ 661 function wp_logout() { 662 $user_id = get_current_user_id(); 663 664 wp_destroy_current_session(); 665 wp_clear_auth_cookie(); 666 wp_set_current_user( 0 ); 667 668 /** 669 * Fires after a user is logged out. 670 * 671 * @since 1.5.0 672 * @since 5.5.0 Added the `$user_id` parameter. 673 * 674 * @param int $user_id ID of the user that was logged out. 675 */ 676 do_action( 'wp_logout', $user_id ); 677 } 678 endif; 679 680 if ( ! function_exists( 'wp_validate_auth_cookie' ) ) : 681 /** 682 * Validates authentication cookie. 683 * 684 * The checks include making sure that the authentication cookie is set and 685 * pulling in the contents (if $cookie is not used). 686 * 687 * Makes sure the cookie is not expired. Verifies the hash in cookie is what is 688 * should be and compares the two. 689 * 690 * @since 2.5.0 691 * 692 * @global int $login_grace_period 693 * 694 * @param string $cookie Optional. If used, will validate contents instead of cookie's. 695 * @param string $scheme Optional. The cookie scheme to use: 'auth', 'secure_auth', or 'logged_in'. 696 * Note: This does *not* default to 'auth' like other cookie functions. 697 * @return int|false User ID if valid cookie, false if invalid. 698 */ 699 function wp_validate_auth_cookie( $cookie = '', $scheme = '' ) { 700 $cookie_elements = wp_parse_auth_cookie( $cookie, $scheme ); 701 if ( ! $cookie_elements ) { 702 /** 703 * Fires if an authentication cookie is malformed. 704 * 705 * @since 2.7.0 706 * 707 * @param string $cookie Malformed auth cookie. 708 * @param string $scheme Authentication scheme. Values include 'auth', 'secure_auth', 709 * or 'logged_in'. 710 */ 711 do_action( 'auth_cookie_malformed', $cookie, $scheme ); 712 return false; 713 } 714 715 $scheme = $cookie_elements['scheme']; 716 $username = $cookie_elements['username']; 717 $hmac = $cookie_elements['hmac']; 718 $token = $cookie_elements['token']; 719 $expiration = $cookie_elements['expiration']; 720 721 $expired = (int) $expiration; 722 723 // Allow a grace period for POST and Ajax requests. 724 if ( wp_doing_ajax() || 'POST' === $_SERVER['REQUEST_METHOD'] ) { 725 $expired += HOUR_IN_SECONDS; 726 } 727 728 // Quick check to see if an honest cookie has expired. 729 if ( $expired < time() ) { 730 /** 731 * Fires once an authentication cookie has expired. 732 * 733 * @since 2.7.0 734 * 735 * @param string[] $cookie_elements { 736 * Authentication cookie components. None of the components should be assumed 737 * to be valid as they come directly from a client-provided cookie value. 738 * 739 * @type string $username User's username. 740 * @type string $expiration The time the cookie expires as a UNIX timestamp. 741 * @type string $token User's session token used. 742 * @type string $hmac The security hash for the cookie. 743 * @type string $scheme The cookie scheme to use. 744 * } 745 */ 746 do_action( 'auth_cookie_expired', $cookie_elements ); 747 return false; 748 } 749 750 $user = get_user_by( 'login', $username ); 751 if ( ! $user ) { 752 /** 753 * Fires if a bad username is entered in the user authentication process. 754 * 755 * @since 2.7.0 756 * 757 * @param string[] $cookie_elements { 758 * Authentication cookie components. None of the components should be assumed 759 * to be valid as they come directly from a client-provided cookie value. 760 * 761 * @type string $username User's username. 762 * @type string $expiration The time the cookie expires as a UNIX timestamp. 763 * @type string $token User's session token used. 764 * @type string $hmac The security hash for the cookie. 765 * @type string $scheme The cookie scheme to use. 766 * } 767 */ 768 do_action( 'auth_cookie_bad_username', $cookie_elements ); 769 return false; 770 } 771 772 if ( str_starts_with( $user->user_pass, '$P$' ) || str_starts_with( $user->user_pass, '$2y$' ) ) { 773 // Retain previous behaviour of phpass or vanilla bcrypt hashed passwords. 774 $pass_frag = substr( $user->user_pass, 8, 4 ); 775 } else { 776 // Otherwise, use a substring from the end of the hash to avoid dealing with potentially long hash prefixes. 777 $pass_frag = substr( $user->user_pass, -4 ); 778 } 779 780 $key = wp_hash( $username . '|' . $pass_frag . '|' . $expiration . '|' . $token, $scheme ); 781 782 $hash = hash_hmac( 'sha256', $username . '|' . $expiration . '|' . $token, $key ); 783 784 if ( ! hash_equals( $hash, $hmac ) ) { 785 /** 786 * Fires if a bad authentication cookie hash is encountered. 787 * 788 * @since 2.7.0 789 * 790 * @param string[] $cookie_elements { 791 * Authentication cookie components. None of the components should be assumed 792 * to be valid as they come directly from a client-provided cookie value. 793 * 794 * @type string $username User's username. 795 * @type string $expiration The time the cookie expires as a UNIX timestamp. 796 * @type string $token User's session token used. 797 * @type string $hmac The security hash for the cookie. 798 * @type string $scheme The cookie scheme to use. 799 * } 800 */ 801 do_action( 'auth_cookie_bad_hash', $cookie_elements ); 802 return false; 803 } 804 805 $manager = WP_Session_Tokens::get_instance( $user->ID ); 806 if ( ! $manager->verify( $token ) ) { 807 /** 808 * Fires if a bad session token is encountered. 809 * 810 * @since 4.0.0 811 * 812 * @param string[] $cookie_elements { 813 * Authentication cookie components. None of the components should be assumed 814 * to be valid as they come directly from a client-provided cookie value. 815 * 816 * @type string $username User's username. 817 * @type string $expiration The time the cookie expires as a UNIX timestamp. 818 * @type string $token User's session token used. 819 * @type string $hmac The security hash for the cookie. 820 * @type string $scheme The cookie scheme to use. 821 * } 822 */ 823 do_action( 'auth_cookie_bad_session_token', $cookie_elements ); 824 return false; 825 } 826 827 // Ajax/POST grace period set above. 828 if ( $expiration < time() ) { 829 $GLOBALS['login_grace_period'] = 1; 830 } 831 832 /** 833 * Fires once an authentication cookie has been validated. 834 * 835 * @since 2.7.0 836 * 837 * @param string[] $cookie_elements { 838 * Authentication cookie components. 839 * 840 * @type string $username User's username. 841 * @type string $expiration The time the cookie expires as a UNIX timestamp. 842 * @type string $token User's session token used. 843 * @type string $hmac The security hash for the cookie. 844 * @type string $scheme The cookie scheme to use. 845 * } 846 * @param WP_User $user User object. 847 */ 848 do_action( 'auth_cookie_valid', $cookie_elements, $user ); 849 850 return $user->ID; 851 } 852 endif; 853 854 if ( ! function_exists( 'wp_generate_auth_cookie' ) ) : 855 /** 856 * Generates authentication cookie contents. 857 * 858 * @since 2.5.0 859 * @since 4.0.0 The `$token` parameter was added. 860 * 861 * @param int $user_id User ID. 862 * @param int $expiration The time the cookie expires as a UNIX timestamp. 863 * @param string $scheme Optional. The cookie scheme to use: 'auth', 'secure_auth', or 'logged_in'. 864 * Default 'auth'. 865 * @param string $token User's session token to use for this cookie. 866 * @return string Authentication cookie contents. Empty string if user does not exist. 867 */ 868 function wp_generate_auth_cookie( $user_id, $expiration, $scheme = 'auth', $token = '' ) { 869 $user = get_userdata( $user_id ); 870 if ( ! $user ) { 871 return ''; 872 } 873 874 if ( ! $token ) { 875 $manager = WP_Session_Tokens::get_instance( $user_id ); 876 $token = $manager->create( $expiration ); 877 } 878 879 if ( str_starts_with( $user->user_pass, '$P$' ) || str_starts_with( $user->user_pass, '$2y$' ) ) { 880 // Retain previous behaviour of phpass or vanilla bcrypt hashed passwords. 881 $pass_frag = substr( $user->user_pass, 8, 4 ); 882 } else { 883 // Otherwise, use a substring from the end of the hash to avoid dealing with potentially long hash prefixes. 884 $pass_frag = substr( $user->user_pass, -4 ); 885 } 886 887 $key = wp_hash( $user->user_login . '|' . $pass_frag . '|' . $expiration . '|' . $token, $scheme ); 888 889 $hash = hash_hmac( 'sha256', $user->user_login . '|' . $expiration . '|' . $token, $key ); 890 891 $cookie = $user->user_login . '|' . $expiration . '|' . $token . '|' . $hash; 892 893 /** 894 * Filters the authentication cookie. 895 * 896 * @since 2.5.0 897 * @since 4.0.0 The `$token` parameter was added. 898 * 899 * @param string $cookie Authentication cookie. 900 * @param int $user_id User ID. 901 * @param int $expiration The time the cookie expires as a UNIX timestamp. 902 * @param string $scheme Cookie scheme used. Accepts 'auth', 'secure_auth', or 'logged_in'. 903 * @param string $token User's session token used. 904 */ 905 return apply_filters( 'auth_cookie', $cookie, $user_id, $expiration, $scheme, $token ); 906 } 907 endif; 908 909 if ( ! function_exists( 'wp_parse_auth_cookie' ) ) : 910 /** 911 * Parses a cookie into its components. 912 * 913 * @since 2.7.0 914 * @since 4.0.0 The `$token` element was added to the return value. 915 * 916 * @param string $cookie Authentication cookie. 917 * @param string $scheme Optional. The cookie scheme to use: 'auth', 'secure_auth', or 'logged_in'. 918 * @return string[]|false { 919 * Authentication cookie components. None of the components should be assumed 920 * to be valid as they come directly from a client-provided cookie value. If 921 * the cookie value is malformed, false is returned. 922 * 923 * @type string $username User's username. 924 * @type string $expiration The time the cookie expires as a UNIX timestamp. 925 * @type string $token User's session token used. 926 * @type string $hmac The security hash for the cookie. 927 * @type string $scheme The cookie scheme to use. 928 * } 929 */ 930 function wp_parse_auth_cookie( $cookie = '', $scheme = '' ) { 931 if ( empty( $cookie ) ) { 932 switch ( $scheme ) { 933 case 'auth': 934 $cookie_name = AUTH_COOKIE; 935 break; 936 case 'secure_auth': 937 $cookie_name = SECURE_AUTH_COOKIE; 938 break; 939 case 'logged_in': 940 $cookie_name = LOGGED_IN_COOKIE; 941 break; 942 default: 943 if ( is_ssl() ) { 944 $cookie_name = SECURE_AUTH_COOKIE; 945 $scheme = 'secure_auth'; 946 } else { 947 $cookie_name = AUTH_COOKIE; 948 $scheme = 'auth'; 949 } 950 } 951 952 if ( empty( $_COOKIE[ $cookie_name ] ) ) { 953 return false; 954 } 955 $cookie = $_COOKIE[ $cookie_name ]; 956 } 957 958 $cookie_elements = explode( '|', $cookie ); 959 if ( count( $cookie_elements ) !== 4 ) { 960 return false; 961 } 962 963 list( $username, $expiration, $token, $hmac ) = $cookie_elements; 964 965 return compact( 'username', 'expiration', 'token', 'hmac', 'scheme' ); 966 } 967 endif; 968 969 if ( ! function_exists( 'wp_set_auth_cookie' ) ) : 970 /** 971 * Sets the authentication cookies based on user ID. 972 * 973 * The $remember parameter increases the time that the cookie will be kept. The 974 * default the cookie is kept without remembering is two days. When $remember is 975 * set, the cookies will be kept for 14 days or two weeks. 976 * 977 * @since 2.5.0 978 * @since 4.3.0 Added the `$token` parameter. 979 * 980 * @param int $user_id User ID. 981 * @param bool $remember Whether to remember the user. 982 * @param bool|string $secure Whether the auth cookie should only be sent over HTTPS. Default is an empty 983 * string which means the value of `is_ssl()` will be used. 984 * @param string $token Optional. User's session token to use for this cookie. 985 */ 986 function wp_set_auth_cookie( $user_id, $remember = false, $secure = '', $token = '' ) { 987 if ( $remember ) { 988 /** 989 * Filters the duration of the authentication cookie expiration period. 990 * 991 * @since 2.8.0 992 * 993 * @param int $length Duration of the expiration period in seconds. 994 * @param int $user_id User ID. 995 * @param bool $remember Whether to remember the user login. Default false. 996 */ 997 $expiration = time() + apply_filters( 'auth_cookie_expiration', 14 * DAY_IN_SECONDS, $user_id, $remember ); 998 999 /* 1000 * Ensure the browser will continue to send the cookie after the expiration time is reached. 1001 * Needed for the login grace period in wp_validate_auth_cookie(). 1002 */ 1003 $expire = $expiration + ( 12 * HOUR_IN_SECONDS ); 1004 } else { 1005 /** This filter is documented in wp-includes/pluggable.php */ 1006 $expiration = time() + apply_filters( 'auth_cookie_expiration', 2 * DAY_IN_SECONDS, $user_id, $remember ); 1007 $expire = 0; 1008 } 1009 1010 if ( '' === $secure ) { 1011 $secure = is_ssl(); 1012 } 1013 1014 // Front-end cookie is secure when the auth cookie is secure and the site's home URL uses HTTPS. 1015 $secure_logged_in_cookie = $secure && 'https' === parse_url( get_option( 'home' ), PHP_URL_SCHEME ); 1016 1017 /** 1018 * Filters whether the auth cookie should only be sent over HTTPS. 1019 * 1020 * @since 3.1.0 1021 * 1022 * @param bool $secure Whether the cookie should only be sent over HTTPS. 1023 * @param int $user_id User ID. 1024 */ 1025 $secure = apply_filters( 'secure_auth_cookie', $secure, $user_id ); 1026 1027 /** 1028 * Filters whether the logged in cookie should only be sent over HTTPS. 1029 * 1030 * @since 3.1.0 1031 * 1032 * @param bool $secure_logged_in_cookie Whether the logged in cookie should only be sent over HTTPS. 1033 * @param int $user_id User ID. 1034 * @param bool $secure Whether the auth cookie should only be sent over HTTPS. 1035 */ 1036 $secure_logged_in_cookie = apply_filters( 'secure_logged_in_cookie', $secure_logged_in_cookie, $user_id, $secure ); 1037 1038 if ( $secure ) { 1039 $auth_cookie_name = SECURE_AUTH_COOKIE; 1040 $scheme = 'secure_auth'; 1041 } else { 1042 $auth_cookie_name = AUTH_COOKIE; 1043 $scheme = 'auth'; 1044 } 1045 1046 if ( '' === $token ) { 1047 $manager = WP_Session_Tokens::get_instance( $user_id ); 1048 $token = $manager->create( $expiration ); 1049 } 1050 1051 $auth_cookie = wp_generate_auth_cookie( $user_id, $expiration, $scheme, $token ); 1052 $logged_in_cookie = wp_generate_auth_cookie( $user_id, $expiration, 'logged_in', $token ); 1053 1054 /** 1055 * Fires immediately before the authentication cookie is set. 1056 * 1057 * @since 2.5.0 1058 * @since 4.9.0 The `$token` parameter was added. 1059 * 1060 * @param string $auth_cookie Authentication cookie value. 1061 * @param int $expire The time the login grace period expires as a UNIX timestamp. 1062 * Default is 12 hours past the cookie's expiration time. 1063 * @param int $expiration The time when the authentication cookie expires as a UNIX timestamp. 1064 * Default is 14 days from now. 1065 * @param int $user_id User ID. 1066 * @param string $scheme Authentication scheme. Values include 'auth' or 'secure_auth'. 1067 * @param string $token User's session token to use for this cookie. 1068 */ 1069 do_action( 'set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme, $token ); 1070 1071 /** 1072 * Fires immediately before the logged-in authentication cookie is set. 1073 * 1074 * @since 2.6.0 1075 * @since 4.9.0 The `$token` parameter was added. 1076 * 1077 * @param string $logged_in_cookie The logged-in cookie value. 1078 * @param int $expire The time the login grace period expires as a UNIX timestamp. 1079 * Default is 12 hours past the cookie's expiration time. 1080 * @param int $expiration The time when the logged-in authentication cookie expires as a UNIX timestamp. 1081 * Default is 14 days from now. 1082 * @param int $user_id User ID. 1083 * @param string $scheme Authentication scheme. Default 'logged_in'. 1084 * @param string $token User's session token to use for this cookie. 1085 */ 1086 do_action( 'set_logged_in_cookie', $logged_in_cookie, $expire, $expiration, $user_id, 'logged_in', $token ); 1087 1088 /** 1089 * Allows preventing auth cookies from actually being sent to the client. 1090 * 1091 * @since 4.7.4 1092 * @since 6.2.0 The `$expire`, `$expiration`, `$user_id`, `$scheme`, and `$token` parameters were added. 1093 * 1094 * @param bool $send Whether to send auth cookies to the client. Default true. 1095 * @param int $expire The time the login grace period expires as a UNIX timestamp. 1096 * Default is 12 hours past the cookie's expiration time. Zero when clearing cookies. 1097 * @param int $expiration The time when the logged-in authentication cookie expires as a UNIX timestamp. 1098 * Default is 14 days from now. Zero when clearing cookies. 1099 * @param int $user_id User ID. Zero when clearing cookies. 1100 * @param string $scheme Authentication scheme. Values include 'auth' or 'secure_auth'. 1101 * Empty string when clearing cookies. 1102 * @param string $token User's session token to use for this cookie. Empty string when clearing cookies. 1103 */ 1104 if ( ! apply_filters( 'send_auth_cookies', true, $expire, $expiration, $user_id, $scheme, $token ) ) { 1105 return; 1106 } 1107 1108 setcookie( $auth_cookie_name, $auth_cookie, $expire, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN, $secure, true ); 1109 setcookie( $auth_cookie_name, $auth_cookie, $expire, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, $secure, true ); 1110 setcookie( LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true ); 1111 if ( COOKIEPATH !== SITECOOKIEPATH ) { 1112 setcookie( LOGGED_IN_COOKIE, $logged_in_cookie, $expire, SITECOOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true ); 1113 } 1114 } 1115 endif; 1116 1117 if ( ! function_exists( 'wp_clear_auth_cookie' ) ) : 1118 /** 1119 * Removes all of the cookies associated with authentication. 1120 * 1121 * @since 2.5.0 1122 */ 1123 function wp_clear_auth_cookie() { 1124 /** 1125 * Fires just before the authentication cookies are cleared. 1126 * 1127 * @since 2.7.0 1128 */ 1129 do_action( 'clear_auth_cookie' ); 1130 1131 /** This filter is documented in wp-includes/pluggable.php */ 1132 if ( ! apply_filters( 'send_auth_cookies', true, 0, 0, 0, '', '' ) ) { 1133 return; 1134 } 1135 1136 // Auth cookies. 1137 setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN ); 1138 setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN ); 1139 setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN ); 1140 setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN ); 1141 setcookie( LOGGED_IN_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); 1142 setcookie( LOGGED_IN_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN ); 1143 1144 // Settings cookies. 1145 setcookie( 'wp-settings-' . get_current_user_id(), ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH ); 1146 setcookie( 'wp-settings-time-' . get_current_user_id(), ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH ); 1147 1148 // Old cookies. 1149 setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); 1150 setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN ); 1151 setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); 1152 setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN ); 1153 1154 // Even older cookies. 1155 setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); 1156 setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); 1157 setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN ); 1158 setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN ); 1159 1160 // Post password cookie. 1161 setcookie( 'wp-postpass_' . COOKIEHASH, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); 1162 } 1163 endif; 1164 1165 if ( ! function_exists( 'is_user_logged_in' ) ) : 1166 /** 1167 * Determines whether the current visitor is a logged in user. 1168 * 1169 * For more information on this and similar theme functions, check out 1170 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 1171 * Conditional Tags} article in the Theme Developer Handbook. 1172 * 1173 * @since 2.0.0 1174 * 1175 * @return bool True if user is logged in, false if not logged in. 1176 */ 1177 function is_user_logged_in() { 1178 $user = wp_get_current_user(); 1179 1180 return $user->exists(); 1181 } 1182 endif; 1183 1184 if ( ! function_exists( 'auth_redirect' ) ) : 1185 /** 1186 * Checks if a user is logged in, if not it redirects them to the login page. 1187 * 1188 * When this code is called from a page, it checks to see if the user viewing the page is logged in. 1189 * If the user is not logged in, they are redirected to the login page. The user is redirected 1190 * in such a way that, upon logging in, they will be sent directly to the page they were originally 1191 * trying to access. 1192 * 1193 * @since 1.5.0 1194 */ 1195 function auth_redirect() { 1196 $secure = ( is_ssl() || force_ssl_admin() ); 1197 1198 /** 1199 * Filters whether to use a secure authentication redirect. 1200 * 1201 * @since 3.1.0 1202 * 1203 * @param bool $secure Whether to use a secure authentication redirect. Default false. 1204 */ 1205 $secure = apply_filters( 'secure_auth_redirect', $secure ); 1206 1207 // If https is required and request is http, redirect. 1208 if ( $secure && ! is_ssl() && str_contains( $_SERVER['REQUEST_URI'], 'wp-admin' ) ) { 1209 if ( str_starts_with( $_SERVER['REQUEST_URI'], 'http' ) ) { 1210 wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) ); 1211 exit; 1212 } else { 1213 wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); 1214 exit; 1215 } 1216 } 1217 1218 /** 1219 * Filters the authentication redirect scheme. 1220 * 1221 * @since 2.9.0 1222 * 1223 * @param string $scheme Authentication redirect scheme. Default empty. 1224 */ 1225 $scheme = apply_filters( 'auth_redirect_scheme', '' ); 1226 1227 $user_id = wp_validate_auth_cookie( '', $scheme ); 1228 if ( $user_id ) { 1229 /** 1230 * Fires before the authentication redirect. 1231 * 1232 * @since 2.8.0 1233 * 1234 * @param int $user_id User ID. 1235 */ 1236 do_action( 'auth_redirect', $user_id ); 1237 1238 // If the user wants ssl but the session is not ssl, redirect. 1239 if ( ! $secure && get_user_option( 'use_ssl', $user_id ) && str_contains( $_SERVER['REQUEST_URI'], 'wp-admin' ) ) { 1240 if ( str_starts_with( $_SERVER['REQUEST_URI'], 'http' ) ) { 1241 wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) ); 1242 exit; 1243 } else { 1244 wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); 1245 exit; 1246 } 1247 } 1248 1249 return; // The cookie is good, so we're done. 1250 } 1251 1252 // The cookie is no good, so force login. 1253 nocache_headers(); 1254 1255 if ( str_contains( $_SERVER['REQUEST_URI'], '/options.php' ) && wp_get_referer() ) { 1256 $redirect = wp_get_referer(); 1257 } else { 1258 $redirect = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); 1259 } 1260 1261 $login_url = wp_login_url( $redirect, true ); 1262 1263 wp_redirect( $login_url ); 1264 exit; 1265 } 1266 endif; 1267 1268 if ( ! function_exists( 'check_admin_referer' ) ) : 1269 /** 1270 * Ensures intent by verifying that a user was referred from another admin page with the correct security nonce. 1271 * 1272 * This function ensures the user intends to perform a given action, which helps protect against clickjacking style 1273 * attacks. It verifies intent, not authorization, therefore it does not verify the user's capabilities. This should 1274 * be performed with `current_user_can()` or similar. 1275 * 1276 * If the nonce value is invalid, the function will exit with an "Are You Sure?" style message. 1277 * 1278 * @since 1.2.0 1279 * @since 2.5.0 The `$query_arg` parameter was added. 1280 * 1281 * @param int|string $action The nonce action. 1282 * @param string $query_arg Optional. Key to check for nonce in `$_REQUEST`. Default '_wpnonce'. 1283 * @return int|false 1 if the nonce is valid and generated between 0-12 hours ago, 1284 * 2 if the nonce is valid and generated between 12-24 hours ago. 1285 * False if the nonce is invalid. 1286 */ 1287 function check_admin_referer( $action = -1, $query_arg = '_wpnonce' ) { 1288 if ( -1 === $action ) { 1289 _doing_it_wrong( __FUNCTION__, __( 'You should specify an action to be verified by using the first parameter.' ), '3.2.0' ); 1290 } 1291 1292 $adminurl = strtolower( admin_url() ); 1293 $referer = strtolower( wp_get_referer() ); 1294 $result = isset( $_REQUEST[ $query_arg ] ) ? wp_verify_nonce( $_REQUEST[ $query_arg ], $action ) : false; 1295 1296 /** 1297 * Fires once the admin request has been validated or not. 1298 * 1299 * @since 1.5.1 1300 * 1301 * @param string $action The nonce action. 1302 * @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between 1303 * 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago. 1304 */ 1305 do_action( 'check_admin_referer', $action, $result ); 1306 1307 if ( ! $result && ! ( -1 === $action && str_starts_with( $referer, $adminurl ) ) ) { 1308 wp_nonce_ays( $action ); 1309 die(); 1310 } 1311 1312 return $result; 1313 } 1314 endif; 1315 1316 if ( ! function_exists( 'check_ajax_referer' ) ) : 1317 /** 1318 * Verifies the Ajax request to prevent processing requests external of the blog. 1319 * 1320 * @since 2.0.3 1321 * 1322 * @param int|string $action Action nonce. 1323 * @param false|string $query_arg Optional. Key to check for the nonce in `$_REQUEST` (since 2.5). If false, 1324 * `$_REQUEST` values will be evaluated for '_ajax_nonce', and '_wpnonce' 1325 * (in that order). Default false. 1326 * @param bool $stop Optional. Whether to stop early when the nonce cannot be verified. 1327 * Default true. 1328 * @return int|false 1 if the nonce is valid and generated between 0-12 hours ago, 1329 * 2 if the nonce is valid and generated between 12-24 hours ago. 1330 * False if the nonce is invalid. 1331 */ 1332 function check_ajax_referer( $action = -1, $query_arg = false, $stop = true ) { 1333 if ( -1 === $action ) { 1334 _doing_it_wrong( __FUNCTION__, __( 'You should specify an action to be verified by using the first parameter.' ), '4.7.0' ); 1335 } 1336 1337 $nonce = ''; 1338 1339 if ( $query_arg && isset( $_REQUEST[ $query_arg ] ) ) { 1340 $nonce = $_REQUEST[ $query_arg ]; 1341 } elseif ( isset( $_REQUEST['_ajax_nonce'] ) ) { 1342 $nonce = $_REQUEST['_ajax_nonce']; 1343 } elseif ( isset( $_REQUEST['_wpnonce'] ) ) { 1344 $nonce = $_REQUEST['_wpnonce']; 1345 } 1346 1347 $result = wp_verify_nonce( $nonce, $action ); 1348 1349 /** 1350 * Fires once the Ajax request has been validated or not. 1351 * 1352 * @since 2.1.0 1353 * 1354 * @param string $action The Ajax nonce action. 1355 * @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between 1356 * 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago. 1357 */ 1358 do_action( 'check_ajax_referer', $action, $result ); 1359 1360 if ( $stop && false === $result ) { 1361 if ( wp_doing_ajax() ) { 1362 wp_die( -1, 403 ); 1363 } else { 1364 die( '-1' ); 1365 } 1366 } 1367 1368 return $result; 1369 } 1370 endif; 1371 1372 if ( ! function_exists( 'wp_redirect' ) ) : 1373 /** 1374 * Redirects to another page. 1375 * 1376 * Note: wp_redirect() does not exit automatically, and should almost always be 1377 * followed by a call to `exit;`: 1378 * 1379 * wp_redirect( $url ); 1380 * exit; 1381 * 1382 * Exiting can also be selectively manipulated by using wp_redirect() as a conditional 1383 * in conjunction with the {@see 'wp_redirect'} and {@see 'wp_redirect_status'} filters: 1384 * 1385 * if ( wp_redirect( $url ) ) { 1386 * exit; 1387 * } 1388 * 1389 * @since 1.5.1 1390 * @since 5.1.0 The `$x_redirect_by` parameter was added. 1391 * @since 5.4.0 On invalid status codes, wp_die() is called. 1392 * 1393 * @global bool $is_IIS 1394 * 1395 * @param string $location The path or URL to redirect to. 1396 * @param int $status Optional. HTTP response status code to use. Default '302' (Moved Temporarily). 1397 * @param string|false $x_redirect_by Optional. The application doing the redirect or false to omit. Default 'WordPress'. 1398 * @return bool False if the redirect was canceled, true otherwise. 1399 */ 1400 function wp_redirect( $location, $status = 302, $x_redirect_by = 'WordPress' ) { 1401 global $is_IIS; 1402 1403 /** 1404 * Filters the redirect location. 1405 * 1406 * @since 2.1.0 1407 * 1408 * @param string $location The path or URL to redirect to. 1409 * @param int $status The HTTP response status code to use. 1410 */ 1411 $location = apply_filters( 'wp_redirect', $location, $status ); 1412 1413 /** 1414 * Filters the redirect HTTP response status code to use. 1415 * 1416 * @since 2.3.0 1417 * 1418 * @param int $status The HTTP response status code to use. 1419 * @param string $location The path or URL to redirect to. 1420 */ 1421 $status = apply_filters( 'wp_redirect_status', $status, $location ); 1422 1423 if ( ! $location ) { 1424 return false; 1425 } 1426 1427 if ( $status < 300 || 399 < $status ) { 1428 wp_die( __( 'HTTP redirect status code must be a redirection code, 3xx.' ) ); 1429 } 1430 1431 $location = wp_sanitize_redirect( $location ); 1432 1433 if ( ! $is_IIS && 'cgi-fcgi' !== PHP_SAPI ) { 1434 status_header( $status ); // This causes problems on IIS and some FastCGI setups. 1435 } 1436 1437 /** 1438 * Filters the X-Redirect-By header. 1439 * 1440 * Allows applications to identify themselves when they're doing a redirect. 1441 * 1442 * @since 5.1.0 1443 * 1444 * @param string|false $x_redirect_by The application doing the redirect or false to omit the header. 1445 * @param int $status Status code to use. 1446 * @param string $location The path to redirect to. 1447 */ 1448 $x_redirect_by = apply_filters( 'x_redirect_by', $x_redirect_by, $status, $location ); 1449 if ( is_string( $x_redirect_by ) ) { 1450 header( "X-Redirect-By: $x_redirect_by" ); 1451 } 1452 1453 header( "Location: $location", true, $status ); 1454 1455 return true; 1456 } 1457 endif; 1458 1459 if ( ! function_exists( 'wp_sanitize_redirect' ) ) : 1460 /** 1461 * Sanitizes a URL for use in a redirect. 1462 * 1463 * @since 2.3.0 1464 * 1465 * @param string $location The path to redirect to. 1466 * @return string Redirect-sanitized URL. 1467 */ 1468 function wp_sanitize_redirect( $location ) { 1469 // Encode spaces. 1470 $location = str_replace( ' ', '%20', $location ); 1471 1472 $regex = '/ 1473 ( 1474 (?: [\xC2-\xDF][\x80-\xBF] # double-byte sequences 110xxxxx 10xxxxxx 1475 | \xE0[\xA0-\xBF][\x80-\xBF] # triple-byte sequences 1110xxxx 10xxxxxx * 2 1476 | [\xE1-\xEC][\x80-\xBF]{2} 1477 | \xED[\x80-\x9F][\x80-\xBF] 1478 | [\xEE-\xEF][\x80-\xBF]{2} 1479 | \xF0[\x90-\xBF][\x80-\xBF]{2} # four-byte sequences 11110xxx 10xxxxxx * 3 1480 | [\xF1-\xF3][\x80-\xBF]{3} 1481 | \xF4[\x80-\x8F][\x80-\xBF]{2} 1482 ){1,40} # ...one or more times 1483 )/x'; 1484 $location = preg_replace_callback( $regex, '_wp_sanitize_utf8_in_redirect', $location ); 1485 $location = preg_replace( '|[^a-z0-9-~+_.?#=&;,/:%!*\[\]()@]|i', '', $location ); 1486 $location = wp_kses_no_null( $location ); 1487 1488 // Remove %0D and %0A from location. 1489 $strip = array( '%0d', '%0a', '%0D', '%0A' ); 1490 return _deep_replace( $strip, $location ); 1491 } 1492 1493 /** 1494 * URL encodes UTF-8 characters in a URL. 1495 * 1496 * @ignore 1497 * @since 4.2.0 1498 * @access private 1499 * 1500 * @see wp_sanitize_redirect() 1501 * 1502 * @param array $matches RegEx matches against the redirect location. 1503 * @return string URL-encoded version of the first RegEx match. 1504 */ 1505 function _wp_sanitize_utf8_in_redirect( $matches ) { 1506 return urlencode( $matches[0] ); 1507 } 1508 endif; 1509 1510 if ( ! function_exists( 'wp_safe_redirect' ) ) : 1511 /** 1512 * Performs a safe (local) redirect, using wp_redirect(). 1513 * 1514 * Checks whether the $location is using an allowed host, if it has an absolute 1515 * path. A plugin can therefore set or remove allowed host(s) to or from the 1516 * list. 1517 * 1518 * If the host is not allowed, then the redirect defaults to wp-admin on the siteurl 1519 * instead. This prevents malicious redirects which redirect to another host, 1520 * but only used in a few places. 1521 * 1522 * Note: wp_safe_redirect() does not exit automatically, and should almost always be 1523 * followed by a call to `exit;`: 1524 * 1525 * wp_safe_redirect( $url ); 1526 * exit; 1527 * 1528 * Exiting can also be selectively manipulated by using wp_safe_redirect() as a conditional 1529 * in conjunction with the {@see 'wp_redirect'} and {@see 'wp_redirect_status'} filters: 1530 * 1531 * if ( wp_safe_redirect( $url ) ) { 1532 * exit; 1533 * } 1534 * 1535 * @since 2.3.0 1536 * @since 5.1.0 The return value from wp_redirect() is now passed on, and the `$x_redirect_by` parameter was added. 1537 * 1538 * @param string $location The path or URL to redirect to. 1539 * @param int $status Optional. HTTP response status code to use. Default '302' (Moved Temporarily). 1540 * @param string|false $x_redirect_by Optional. The application doing the redirect or false to omit. Default 'WordPress'. 1541 * @return bool False if the redirect was canceled, true otherwise. 1542 */ 1543 function wp_safe_redirect( $location, $status = 302, $x_redirect_by = 'WordPress' ) { 1544 1545 // Need to look at the URL the way it will end up in wp_redirect(). 1546 $location = wp_sanitize_redirect( $location ); 1547 1548 /** 1549 * Filters the redirect fallback URL for when the provided redirect is not safe (local). 1550 * 1551 * @since 4.3.0 1552 * 1553 * @param string $fallback_url The fallback URL to use by default. 1554 * @param int $status The HTTP response status code to use. 1555 */ 1556 $fallback_url = apply_filters( 'wp_safe_redirect_fallback', admin_url(), $status ); 1557 1558 $location = wp_validate_redirect( $location, $fallback_url ); 1559 1560 return wp_redirect( $location, $status, $x_redirect_by ); 1561 } 1562 endif; 1563 1564 if ( ! function_exists( 'wp_validate_redirect' ) ) : 1565 /** 1566 * Validates a URL for use in a redirect. 1567 * 1568 * Checks whether the $location is using an allowed host, if it has an absolute 1569 * path. A plugin can therefore set or remove allowed host(s) to or from the 1570 * list. 1571 * 1572 * If the host is not allowed, then the redirect is to $fallback_url supplied. 1573 * 1574 * @since 2.8.1 1575 * 1576 * @param string $location The redirect to validate. 1577 * @param string $fallback_url The value to return if $location is not allowed. 1578 * @return string Redirect-sanitized URL. 1579 */ 1580 function wp_validate_redirect( $location, $fallback_url = '' ) { 1581 $location = wp_sanitize_redirect( trim( $location, " \t\n\r\0\x08\x0B" ) ); 1582 // Browsers will assume 'http' is your protocol, and will obey a redirect to a URL starting with '//'. 1583 if ( str_starts_with( $location, '//' ) ) { 1584 $location = 'http:' . $location; 1585 } 1586 1587 /* 1588 * In PHP 5 parse_url() may fail if the URL query part contains 'http://'. 1589 * See https://bugs.php.net/bug.php?id=38143 1590 */ 1591 $cut = strpos( $location, '?' ); 1592 $test = $cut ? substr( $location, 0, $cut ) : $location; 1593 1594 $lp = parse_url( $test ); 1595 1596 // Give up if malformed URL. 1597 if ( false === $lp ) { 1598 return $fallback_url; 1599 } 1600 1601 // Allow only 'http' and 'https' schemes. No 'data:', etc. 1602 if ( isset( $lp['scheme'] ) && ! ( 'http' === $lp['scheme'] || 'https' === $lp['scheme'] ) ) { 1603 return $fallback_url; 1604 } 1605 1606 if ( ! isset( $lp['host'] ) && ! empty( $lp['path'] ) && '/' !== $lp['path'][0] ) { 1607 $path = ''; 1608 if ( ! empty( $_SERVER['REQUEST_URI'] ) ) { 1609 $path = dirname( parse_url( 'http://placeholder' . $_SERVER['REQUEST_URI'], PHP_URL_PATH ) . '?' ); 1610 $path = wp_normalize_path( $path ); 1611 } 1612 $location = '/' . ltrim( $path . '/', '/' ) . $location; 1613 } 1614 1615 /* 1616 * Reject if certain components are set but host is not. 1617 * This catches URLs like https:host.com for which parse_url() does not set the host field. 1618 */ 1619 if ( ! isset( $lp['host'] ) && ( isset( $lp['scheme'] ) || isset( $lp['user'] ) || isset( $lp['pass'] ) || isset( $lp['port'] ) ) ) { 1620 return $fallback_url; 1621 } 1622 1623 // Reject malformed components parse_url() can return on odd inputs. 1624 foreach ( array( 'user', 'pass', 'host' ) as $component ) { 1625 if ( isset( $lp[ $component ] ) && strpbrk( $lp[ $component ], ':/?#@' ) ) { 1626 return $fallback_url; 1627 } 1628 } 1629 1630 $wpp = parse_url( home_url() ); 1631 1632 /** 1633 * Filters the list of allowed hosts to redirect to. 1634 * 1635 * @since 2.3.0 1636 * 1637 * @param string[] $hosts An array of allowed host names. 1638 * @param string $host The host name of the redirect destination; empty string if not set. 1639 */ 1640 $allowed_hosts = (array) apply_filters( 'allowed_redirect_hosts', array( $wpp['host'] ), isset( $lp['host'] ) ? $lp['host'] : '' ); 1641 1642 if ( isset( $lp['host'] ) && ( ! in_array( $lp['host'], $allowed_hosts, true ) && strtolower( $wpp['host'] ) !== $lp['host'] ) ) { 1643 $location = $fallback_url; 1644 } 1645 1646 return $location; 1647 } 1648 endif; 1649 1650 if ( ! function_exists( 'wp_notify_postauthor' ) ) : 1651 /** 1652 * Notifies an author (and/or others) of a comment/trackback/pingback on a post. 1653 * 1654 * @since 1.0.0 1655 * 1656 * @param int|WP_Comment $comment_id Comment ID or WP_Comment object. 1657 * @param string $deprecated Not used. 1658 * @return bool True on completion. False if no email addresses were specified. 1659 */ 1660 function wp_notify_postauthor( $comment_id, $deprecated = null ) { 1661 if ( null !== $deprecated ) { 1662 _deprecated_argument( __FUNCTION__, '3.8.0' ); 1663 } 1664 1665 $comment = get_comment( $comment_id ); 1666 if ( empty( $comment ) || empty( $comment->comment_post_ID ) ) { 1667 return false; 1668 } 1669 1670 $post = get_post( $comment->comment_post_ID ); 1671 $author = get_userdata( $post->post_author ); 1672 1673 // Who to notify? By default, just the post author, but others can be added. 1674 $emails = array(); 1675 if ( $author ) { 1676 $emails[] = $author->user_email; 1677 } 1678 1679 /** 1680 * Filters the list of email addresses to receive a comment notification. 1681 * 1682 * By default, only post authors are notified of comments. This filter allows 1683 * others to be added. 1684 * 1685 * @since 3.7.0 1686 * 1687 * @param string[] $emails An array of email addresses to receive a comment notification. 1688 * @param string $comment_id The comment ID as a numeric string. 1689 */ 1690 $emails = apply_filters( 'comment_notification_recipients', $emails, $comment->comment_ID ); 1691 $emails = array_filter( $emails ); 1692 1693 // If there are no addresses to send the comment to, bail. 1694 if ( ! count( $emails ) ) { 1695 return false; 1696 } 1697 1698 // Facilitate unsetting below without knowing the keys. 1699 $emails = array_flip( $emails ); 1700 1701 /** 1702 * Filters whether to notify comment authors of their comments on their own posts. 1703 * 1704 * By default, comment authors aren't notified of their comments on their own 1705 * posts. This filter allows you to override that. 1706 * 1707 * @since 3.8.0 1708 * 1709 * @param bool $notify Whether to notify the post author of their own comment. 1710 * Default false. 1711 * @param string $comment_id The comment ID as a numeric string. 1712 */ 1713 $notify_author = apply_filters( 'comment_notification_notify_author', false, $comment->comment_ID ); 1714 1715 // The comment was left by the author. 1716 if ( $author && ! $notify_author && (int) $comment->user_id === (int) $post->post_author ) { 1717 unset( $emails[ $author->user_email ] ); 1718 } 1719 1720 // The author moderated a comment on their own post. 1721 if ( $author && ! $notify_author && get_current_user_id() === (int) $post->post_author ) { 1722 unset( $emails[ $author->user_email ] ); 1723 } 1724 1725 // The post author is no longer a member of the blog. 1726 if ( $author && ! $notify_author && ! user_can( $post->post_author, 'read_post', $post->ID ) ) { 1727 unset( $emails[ $author->user_email ] ); 1728 } 1729 1730 // If there's no email to send the comment to, bail, otherwise flip array back around for use below. 1731 if ( ! count( $emails ) ) { 1732 return false; 1733 } else { 1734 $emails = array_flip( $emails ); 1735 } 1736 1737 $comment_author_domain = ''; 1738 if ( WP_Http::is_ip_address( $comment->comment_author_IP ) ) { 1739 $comment_author_domain = gethostbyaddr( $comment->comment_author_IP ); 1740 } 1741 1742 /* 1743 * The blogname option is escaped with esc_html() on the way into the database in sanitize_option(). 1744 * We want to reverse this for the plain text arena of emails. 1745 */ 1746 $blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); 1747 $comment_content = wp_specialchars_decode( $comment->comment_content ); 1748 1749 $wp_email = 'wordpress@' . preg_replace( '#^www\.#', '', wp_parse_url( network_home_url(), PHP_URL_HOST ) ); 1750 1751 if ( '' === $comment->comment_author ) { 1752 $from = "From: \"$blogname\" <$wp_email>"; 1753 if ( '' !== $comment->comment_author_email ) { 1754 $reply_to = "Reply-To: $comment->comment_author_email"; 1755 } 1756 } else { 1757 $from = "From: \"$comment->comment_author\" <$wp_email>"; 1758 if ( '' !== $comment->comment_author_email ) { 1759 $reply_to = "Reply-To: \"$comment->comment_author_email\" <$comment->comment_author_email>"; 1760 } 1761 } 1762 1763 $message_headers = "$from\n" 1764 . 'Content-Type: text/plain; charset="' . get_option( 'blog_charset' ) . "\"\n"; 1765 1766 if ( isset( $reply_to ) ) { 1767 $message_headers .= $reply_to . "\n"; 1768 } 1769 1770 /** 1771 * Filters the comment notification email headers. 1772 * 1773 * @since 1.5.2 1774 * 1775 * @param string $message_headers Headers for the comment notification email. 1776 * @param string $comment_id Comment ID as a numeric string. 1777 */ 1778 $message_headers = apply_filters( 'comment_notification_headers', $message_headers, $comment->comment_ID ); 1779 1780 foreach ( $emails as $email ) { 1781 $user = get_user_by( 'email', $email ); 1782 1783 if ( $user ) { 1784 $switched_locale = switch_to_user_locale( $user->ID ); 1785 } else { 1786 $switched_locale = switch_to_locale( get_locale() ); 1787 } 1788 1789 switch ( $comment->comment_type ) { 1790 case 'trackback': 1791 /* translators: %s: Post title. */ 1792 $notify_message = sprintf( __( 'New trackback on your post "%s"' ), $post->post_title ) . "\r\n"; 1793 /* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */ 1794 $notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1795 /* translators: %s: Trackback/pingback/comment author URL. */ 1796 $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; 1797 /* translators: %s: Comment text. */ 1798 $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; 1799 $notify_message .= __( 'You can see all trackbacks on this post here:' ) . "\r\n"; 1800 /* translators: Trackback notification email subject. 1: Site title, 2: Post title. */ 1801 $subject = sprintf( __( '[%1$s] Trackback: "%2$s"' ), $blogname, $post->post_title ); 1802 break; 1803 1804 case 'pingback': 1805 /* translators: %s: Post title. */ 1806 $notify_message = sprintf( __( 'New pingback on your post "%s"' ), $post->post_title ) . "\r\n"; 1807 /* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */ 1808 $notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1809 /* translators: %s: Trackback/pingback/comment author URL. */ 1810 $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; 1811 /* translators: %s: Comment text. */ 1812 $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; 1813 $notify_message .= __( 'You can see all pingbacks on this post here:' ) . "\r\n"; 1814 /* translators: Pingback notification email subject. 1: Site title, 2: Post title. */ 1815 $subject = sprintf( __( '[%1$s] Pingback: "%2$s"' ), $blogname, $post->post_title ); 1816 break; 1817 1818 default: // Comments. 1819 /* translators: %s: Post title. */ 1820 $notify_message = sprintf( __( 'New comment on your post "%s"' ), $post->post_title ) . "\r\n"; 1821 /* translators: 1: Comment author's name, 2: Comment author's IP address, 3: Comment author's hostname. */ 1822 $notify_message .= sprintf( __( 'Author: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1823 /* translators: %s: Comment author email. */ 1824 $notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n"; 1825 /* translators: %s: Trackback/pingback/comment author URL. */ 1826 $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; 1827 1828 if ( $comment->comment_parent && user_can( $post->post_author, 'edit_comment', $comment->comment_parent ) ) { 1829 /* translators: Comment moderation. %s: Parent comment edit URL. */ 1830 $notify_message .= sprintf( __( 'In reply to: %s' ), admin_url( "comment.php?action=editcomment&c={$comment->comment_parent}#wpbody-content" ) ) . "\r\n"; 1831 } 1832 1833 /* translators: %s: Comment text. */ 1834 $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; 1835 $notify_message .= __( 'You can see all comments on this post here:' ) . "\r\n"; 1836 /* translators: Comment notification email subject. 1: Site title, 2: Post title. */ 1837 $subject = sprintf( __( '[%1$s] Comment: "%2$s"' ), $blogname, $post->post_title ); 1838 break; 1839 } 1840 1841 $notify_message .= get_permalink( $comment->comment_post_ID ) . "#comments\r\n\r\n"; 1842 /* translators: %s: Comment URL. */ 1843 $notify_message .= sprintf( __( 'Permalink: %s' ), get_comment_link( $comment ) ) . "\r\n"; 1844 1845 if ( user_can( $post->post_author, 'edit_comment', $comment->comment_ID ) ) { 1846 if ( EMPTY_TRASH_DAYS ) { 1847 /* translators: Comment moderation. %s: Comment action URL. */ 1848 $notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n"; 1849 } else { 1850 /* translators: Comment moderation. %s: Comment action URL. */ 1851 $notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n"; 1852 } 1853 /* translators: Comment moderation. %s: Comment action URL. */ 1854 $notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n"; 1855 } 1856 1857 /** 1858 * Filters the comment notification email text. 1859 * 1860 * @since 1.5.2 1861 * 1862 * @param string $notify_message The comment notification email text. 1863 * @param string $comment_id Comment ID as a numeric string. 1864 */ 1865 $notify_message = apply_filters( 'comment_notification_text', $notify_message, $comment->comment_ID ); 1866 1867 /** 1868 * Filters the comment notification email subject. 1869 * 1870 * @since 1.5.2 1871 * 1872 * @param string $subject The comment notification email subject. 1873 * @param string $comment_id Comment ID as a numeric string. 1874 */ 1875 $subject = apply_filters( 'comment_notification_subject', $subject, $comment->comment_ID ); 1876 1877 wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers ); 1878 1879 if ( $switched_locale ) { 1880 restore_previous_locale(); 1881 } 1882 } 1883 1884 return true; 1885 } 1886 endif; 1887 1888 if ( ! function_exists( 'wp_notify_moderator' ) ) : 1889 /** 1890 * Notifies the moderator of the site about a new comment that is awaiting approval. 1891 * 1892 * @since 1.0.0 1893 * 1894 * @global wpdb $wpdb WordPress database abstraction object. 1895 * 1896 * Uses the {@see 'notify_moderator'} filter to determine whether the site moderator 1897 * should be notified, overriding the site setting. 1898 * 1899 * @param int $comment_id Comment ID. 1900 * @return true Always returns true. 1901 */ 1902 function wp_notify_moderator( $comment_id ) { 1903 global $wpdb; 1904 1905 $maybe_notify = get_option( 'moderation_notify' ); 1906 1907 /** 1908 * Filters whether to send the site moderator email notifications, overriding the site setting. 1909 * 1910 * @since 4.4.0 1911 * 1912 * @param bool $maybe_notify Whether to notify blog moderator. 1913 * @param int $comment_id The ID of the comment for the notification. 1914 */ 1915 $maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_id ); 1916 1917 if ( ! $maybe_notify ) { 1918 return true; 1919 } 1920 1921 $comment = get_comment( $comment_id ); 1922 $post = get_post( $comment->comment_post_ID ); 1923 $user = get_userdata( $post->post_author ); 1924 // Send to the administration and to the post author if the author can modify the comment. 1925 $emails = array( get_option( 'admin_email' ) ); 1926 if ( $user && user_can( $user->ID, 'edit_comment', $comment_id ) && ! empty( $user->user_email ) ) { 1927 if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) { 1928 $emails[] = $user->user_email; 1929 } 1930 } 1931 1932 $comment_author_domain = ''; 1933 if ( WP_Http::is_ip_address( $comment->comment_author_IP ) ) { 1934 $comment_author_domain = gethostbyaddr( $comment->comment_author_IP ); 1935 } 1936 1937 $comments_waiting = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->comments WHERE comment_approved = '0'" ); 1938 1939 /* 1940 * The blogname option is escaped with esc_html() on the way into the database in sanitize_option(). 1941 * We want to reverse this for the plain text arena of emails. 1942 */ 1943 $blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); 1944 $comment_content = wp_specialchars_decode( $comment->comment_content ); 1945 1946 $message_headers = ''; 1947 1948 /** 1949 * Filters the list of recipients for comment moderation emails. 1950 * 1951 * @since 3.7.0 1952 * 1953 * @param string[] $emails List of email addresses to notify for comment moderation. 1954 * @param int $comment_id Comment ID. 1955 */ 1956 $emails = apply_filters( 'comment_moderation_recipients', $emails, $comment_id ); 1957 1958 /** 1959 * Filters the comment moderation email headers. 1960 * 1961 * @since 2.8.0 1962 * 1963 * @param string $message_headers Headers for the comment moderation email. 1964 * @param int $comment_id Comment ID. 1965 */ 1966 $message_headers = apply_filters( 'comment_moderation_headers', $message_headers, $comment_id ); 1967 1968 foreach ( $emails as $email ) { 1969 $user = get_user_by( 'email', $email ); 1970 1971 if ( $user ) { 1972 $switched_locale = switch_to_user_locale( $user->ID ); 1973 } else { 1974 $switched_locale = switch_to_locale( get_locale() ); 1975 } 1976 1977 switch ( $comment->comment_type ) { 1978 case 'trackback': 1979 /* translators: %s: Post title. */ 1980 $notify_message = sprintf( __( 'A new trackback on the post "%s" is waiting for your approval' ), $post->post_title ) . "\r\n"; 1981 $notify_message .= get_permalink( $comment->comment_post_ID ) . "\r\n\r\n"; 1982 /* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */ 1983 $notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1984 /* translators: %s: Trackback/pingback/comment author URL. */ 1985 $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; 1986 $notify_message .= __( 'Trackback excerpt: ' ) . "\r\n" . $comment_content . "\r\n\r\n"; 1987 break; 1988 1989 case 'pingback': 1990 /* translators: %s: Post title. */ 1991 $notify_message = sprintf( __( 'A new pingback on the post "%s" is waiting for your approval' ), $post->post_title ) . "\r\n"; 1992 $notify_message .= get_permalink( $comment->comment_post_ID ) . "\r\n\r\n"; 1993 /* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */ 1994 $notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1995 /* translators: %s: Trackback/pingback/comment author URL. */ 1996 $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; 1997 $notify_message .= __( 'Pingback excerpt: ' ) . "\r\n" . $comment_content . "\r\n\r\n"; 1998 break; 1999 2000 default: // Comments. 2001 /* translators: %s: Post title. */ 2002 $notify_message = sprintf( __( 'A new comment on the post "%s" is waiting for your approval' ), $post->post_title ) . "\r\n"; 2003 $notify_message .= get_permalink( $comment->comment_post_ID ) . "\r\n\r\n"; 2004 /* translators: 1: Comment author's name, 2: Comment author's IP address, 3: Comment author's hostname. */ 2005 $notify_message .= sprintf( __( 'Author: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 2006 /* translators: %s: Comment author email. */ 2007 $notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n"; 2008 /* translators: %s: Trackback/pingback/comment author URL. */ 2009 $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; 2010 2011 if ( $comment->comment_parent ) { 2012 /* translators: Comment moderation. %s: Parent comment edit URL. */ 2013 $notify_message .= sprintf( __( 'In reply to: %s' ), admin_url( "comment.php?action=editcomment&c={$comment->comment_parent}#wpbody-content" ) ) . "\r\n"; 2014 } 2015 2016 /* translators: %s: Comment text. */ 2017 $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; 2018 break; 2019 } 2020 2021 /* translators: Comment moderation. %s: Comment action URL. */ 2022 $notify_message .= sprintf( __( 'Approve it: %s' ), admin_url( "comment.php?action=approve&c={$comment_id}#wpbody-content" ) ) . "\r\n"; 2023 2024 if ( EMPTY_TRASH_DAYS ) { 2025 /* translators: Comment moderation. %s: Comment action URL. */ 2026 $notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment_id}#wpbody-content" ) ) . "\r\n"; 2027 } else { 2028 /* translators: Comment moderation. %s: Comment action URL. */ 2029 $notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment_id}#wpbody-content" ) ) . "\r\n"; 2030 } 2031 2032 /* translators: Comment moderation. %s: Comment action URL. */ 2033 $notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment_id}#wpbody-content" ) ) . "\r\n"; 2034 2035 $notify_message .= sprintf( 2036 /* translators: Comment moderation. %s: Number of comments awaiting approval. */ 2037 _n( 2038 'Currently %s comment is waiting for approval. Please visit the moderation panel:', 2039 'Currently %s comments are waiting for approval. Please visit the moderation panel:', 2040 $comments_waiting 2041 ), 2042 number_format_i18n( $comments_waiting ) 2043 ) . "\r\n"; 2044 $notify_message .= admin_url( 'edit-comments.php?comment_status=moderated#wpbody-content' ) . "\r\n"; 2045 2046 /* translators: Comment moderation notification email subject. 1: Site title, 2: Post title. */ 2047 $subject = sprintf( __( '[%1$s] Please moderate: "%2$s"' ), $blogname, $post->post_title ); 2048 2049 /** 2050 * Filters the comment moderation email text. 2051 * 2052 * @since 1.5.2 2053 * 2054 * @param string $notify_message Text of the comment moderation email. 2055 * @param int $comment_id Comment ID. 2056 */ 2057 $notify_message = apply_filters( 'comment_moderation_text', $notify_message, $comment_id ); 2058 2059 /** 2060 * Filters the comment moderation email subject. 2061 * 2062 * @since 1.5.2 2063 * 2064 * @param string $subject Subject of the comment moderation email. 2065 * @param int $comment_id Comment ID. 2066 */ 2067 $subject = apply_filters( 'comment_moderation_subject', $subject, $comment_id ); 2068 2069 wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers ); 2070 2071 if ( $switched_locale ) { 2072 restore_previous_locale(); 2073 } 2074 } 2075 2076 return true; 2077 } 2078 endif; 2079 2080 if ( ! function_exists( 'wp_password_change_notification' ) ) : 2081 /** 2082 * Notifies the blog admin of a user changing password, normally via email. 2083 * 2084 * @since 2.7.0 2085 * 2086 * @param WP_User $user User object. 2087 */ 2088 function wp_password_change_notification( $user ) { 2089 /* 2090 * Send a copy of password change notification to the admin, 2091 * but check to see if it's the admin whose password we're changing, and skip this. 2092 */ 2093 if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) { 2094 2095 $admin_user = get_user_by( 'email', get_option( 'admin_email' ) ); 2096 2097 if ( $admin_user ) { 2098 $switched_locale = switch_to_user_locale( $admin_user->ID ); 2099 } else { 2100 $switched_locale = switch_to_locale( get_locale() ); 2101 } 2102 2103 /* translators: %s: User name. */ 2104 $message = sprintf( __( 'Password changed for user: %s' ), $user->user_login ) . "\r\n"; 2105 /* 2106 * The blogname option is escaped with esc_html() on the way into the database in sanitize_option(). 2107 * We want to reverse this for the plain text arena of emails. 2108 */ 2109 $blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); 2110 2111 $wp_password_change_notification_email = array( 2112 'to' => get_option( 'admin_email' ), 2113 /* translators: Password change notification email subject. %s: Site title. */ 2114 'subject' => __( '[%s] Password Changed' ), 2115 'message' => $message, 2116 'headers' => '', 2117 ); 2118 2119 /** 2120 * Filters the contents of the password change notification email sent to the site admin. 2121 * 2122 * @since 4.9.0 2123 * 2124 * @param array $wp_password_change_notification_email { 2125 * Used to build wp_mail(). 2126 * 2127 * @type string $to The intended recipient - site admin email address. 2128 * @type string $subject The subject of the email. 2129 * @type string $message The body of the email. 2130 * @type string $headers The headers of the email. 2131 * } 2132 * @param WP_User $user User object for user whose password was changed. 2133 * @param string $blogname The site title. 2134 */ 2135 $wp_password_change_notification_email = apply_filters( 'wp_password_change_notification_email', $wp_password_change_notification_email, $user, $blogname ); 2136 2137 wp_mail( 2138 $wp_password_change_notification_email['to'], 2139 wp_specialchars_decode( sprintf( $wp_password_change_notification_email['subject'], $blogname ) ), 2140 $wp_password_change_notification_email['message'], 2141 $wp_password_change_notification_email['headers'] 2142 ); 2143 2144 if ( $switched_locale ) { 2145 restore_previous_locale(); 2146 } 2147 } 2148 } 2149 endif; 2150 2151 if ( ! function_exists( 'wp_new_user_notification' ) ) : 2152 /** 2153 * Emails login credentials to a newly-registered user. 2154 * 2155 * A new user registration notification is also sent to admin email. 2156 * 2157 * @since 2.0.0 2158 * @since 4.3.0 The `$plaintext_pass` parameter was changed to `$notify`. 2159 * @since 4.3.1 The `$plaintext_pass` parameter was deprecated. `$notify` added as a third parameter. 2160 * @since 4.6.0 The `$notify` parameter accepts 'user' for sending notification only to the user created. 2161 * 2162 * @param int $user_id User ID. 2163 * @param null $deprecated Not used (argument deprecated). 2164 * @param string $notify Optional. Type of notification that should happen. Accepts 'admin' or an empty 2165 * string (admin only), 'user', or 'both' (admin and user). Default empty. 2166 */ 2167 function wp_new_user_notification( $user_id, $deprecated = null, $notify = '' ) { 2168 if ( null !== $deprecated ) { 2169 _deprecated_argument( __FUNCTION__, '4.3.1' ); 2170 } 2171 2172 // Accepts only 'user', 'admin' , 'both' or default '' as $notify. 2173 if ( ! in_array( $notify, array( 'user', 'admin', 'both', '' ), true ) ) { 2174 return; 2175 } 2176 2177 $user = get_userdata( $user_id ); 2178 2179 /* 2180 * The blogname option is escaped with esc_html() on the way into the database in sanitize_option(). 2181 * We want to reverse this for the plain text arena of emails. 2182 */ 2183 $blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); 2184 2185 /** 2186 * Filters whether the admin is notified of a new user registration. 2187 * 2188 * @since 6.1.0 2189 * 2190 * @param bool $send Whether to send the email. Default true. 2191 * @param WP_User $user User object for new user. 2192 */ 2193 $send_notification_to_admin = apply_filters( 'wp_send_new_user_notification_to_admin', true, $user ); 2194 2195 if ( 'user' !== $notify && true === $send_notification_to_admin ) { 2196 2197 $admin_user = get_user_by( 'email', get_option( 'admin_email' ) ); 2198 2199 if ( $admin_user ) { 2200 $switched_locale = switch_to_user_locale( $admin_user->ID ); 2201 } else { 2202 $switched_locale = switch_to_locale( get_locale() ); 2203 } 2204 2205 /* translators: %s: Site title. */ 2206 $message = sprintf( __( 'New user registration on your site %s:' ), $blogname ) . "\r\n\r\n"; 2207 /* translators: %s: User login. */ 2208 $message .= sprintf( __( 'Username: %s' ), $user->user_login ) . "\r\n\r\n"; 2209 /* translators: %s: User email address. */ 2210 $message .= sprintf( __( 'Email: %s' ), $user->user_email ) . "\r\n"; 2211 2212 $wp_new_user_notification_email_admin = array( 2213 'to' => get_option( 'admin_email' ), 2214 /* translators: New user registration notification email subject. %s: Site title. */ 2215 'subject' => __( '[%s] New User Registration' ), 2216 'message' => $message, 2217 'headers' => '', 2218 ); 2219 2220 /** 2221 * Filters the contents of the new user notification email sent to the site admin. 2222 * 2223 * @since 4.9.0 2224 * 2225 * @param array $wp_new_user_notification_email_admin { 2226 * Used to build wp_mail(). 2227 * 2228 * @type string $to The intended recipient - site admin email address. 2229 * @type string $subject The subject of the email. 2230 * @type string $message The body of the email. 2231 * @type string $headers The headers of the email. 2232 * } 2233 * @param WP_User $user User object for new user. 2234 * @param string $blogname The site title. 2235 */ 2236 $wp_new_user_notification_email_admin = apply_filters( 'wp_new_user_notification_email_admin', $wp_new_user_notification_email_admin, $user, $blogname ); 2237 2238 wp_mail( 2239 $wp_new_user_notification_email_admin['to'], 2240 wp_specialchars_decode( sprintf( $wp_new_user_notification_email_admin['subject'], $blogname ) ), 2241 $wp_new_user_notification_email_admin['message'], 2242 $wp_new_user_notification_email_admin['headers'] 2243 ); 2244 2245 if ( $switched_locale ) { 2246 restore_previous_locale(); 2247 } 2248 } 2249 2250 /** 2251 * Filters whether the user is notified of their new user registration. 2252 * 2253 * @since 6.1.0 2254 * 2255 * @param bool $send Whether to send the email. Default true. 2256 * @param WP_User $user User object for new user. 2257 */ 2258 $send_notification_to_user = apply_filters( 'wp_send_new_user_notification_to_user', true, $user ); 2259 2260 // `$deprecated` was pre-4.3 `$plaintext_pass`. An empty `$plaintext_pass` didn't sent a user notification. 2261 if ( 'admin' === $notify || true !== $send_notification_to_user || ( empty( $deprecated ) && empty( $notify ) ) ) { 2262 return; 2263 } 2264 2265 $key = get_password_reset_key( $user ); 2266 if ( is_wp_error( $key ) ) { 2267 return; 2268 } 2269 2270 $switched_locale = switch_to_user_locale( $user_id ); 2271 2272 /* translators: %s: User login. */ 2273 $message = sprintf( __( 'Username: %s' ), $user->user_login ) . "\r\n\r\n"; 2274 $message .= __( 'To set your password, visit the following address:' ) . "\r\n\r\n"; 2275 2276 /* 2277 * Since some user login names end in a period, this could produce ambiguous URLs that 2278 * end in a period. To avoid the ambiguity, ensure that the login is not the last query 2279 * arg in the URL. If moving it to the end, a trailing period will need to be escaped. 2280 * 2281 * @see https://core.trac.wordpress.org/tickets/42957 2282 */ 2283 $message .= network_site_url( 'wp-login.php?login=' . rawurlencode( $user->user_login ) . "&key=$key&action=rp", 'login' ) . "\r\n\r\n"; 2284 2285 $message .= wp_login_url() . "\r\n"; 2286 2287 $wp_new_user_notification_email = array( 2288 'to' => $user->user_email, 2289 /* translators: Login details notification email subject. %s: Site title. */ 2290 'subject' => __( '[%s] Login Details' ), 2291 'message' => $message, 2292 'headers' => '', 2293 ); 2294 2295 /** 2296 * Filters the contents of the new user notification email sent to the new user. 2297 * 2298 * @since 4.9.0 2299 * 2300 * @param array $wp_new_user_notification_email { 2301 * Used to build wp_mail(). 2302 * 2303 * @type string $to The intended recipient - New user email address. 2304 * @type string $subject The subject of the email. 2305 * @type string $message The body of the email. 2306 * @type string $headers The headers of the email. 2307 * } 2308 * @param WP_User $user User object for new user. 2309 * @param string $blogname The site title. 2310 */ 2311 $wp_new_user_notification_email = apply_filters( 'wp_new_user_notification_email', $wp_new_user_notification_email, $user, $blogname ); 2312 2313 wp_mail( 2314 $wp_new_user_notification_email['to'], 2315 wp_specialchars_decode( sprintf( $wp_new_user_notification_email['subject'], $blogname ) ), 2316 $wp_new_user_notification_email['message'], 2317 $wp_new_user_notification_email['headers'] 2318 ); 2319 2320 if ( $switched_locale ) { 2321 restore_previous_locale(); 2322 } 2323 } 2324 endif; 2325 2326 if ( ! function_exists( 'wp_nonce_tick' ) ) : 2327 /** 2328 * Returns the time-dependent variable for nonce creation. 2329 * 2330 * A nonce has a lifespan of two ticks. Nonces in their second tick may be 2331 * updated, e.g. by autosave. 2332 * 2333 * @since 2.5.0 2334 * @since 6.1.0 Added `$action` argument. 2335 * 2336 * @param string|int $action Optional. The nonce action. Default -1. 2337 * @return float Float value rounded up to the next highest integer. 2338 */ 2339 function wp_nonce_tick( $action = -1 ) { 2340 /** 2341 * Filters the lifespan of nonces in seconds. 2342 * 2343 * @since 2.5.0 2344 * @since 6.1.0 Added `$action` argument to allow for more targeted filters. 2345 * 2346 * @param int $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day. 2347 * @param string|int $action The nonce action, or -1 if none was provided. 2348 */ 2349 $nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS, $action ); 2350 2351 return ceil( time() / ( $nonce_life / 2 ) ); 2352 } 2353 endif; 2354 2355 if ( ! function_exists( 'wp_verify_nonce' ) ) : 2356 /** 2357 * Verifies that a correct security nonce was used with time limit. 2358 * 2359 * A nonce is valid for 24 hours (by default). 2360 * 2361 * @since 2.0.3 2362 * 2363 * @param string $nonce Nonce value that was used for verification, usually via a form field. 2364 * @param string|int $action Should give context to what is taking place and be the same when nonce was created. 2365 * @return int|false 1 if the nonce is valid and generated between 0-12 hours ago, 2366 * 2 if the nonce is valid and generated between 12-24 hours ago. 2367 * False if the nonce is invalid. 2368 */ 2369 function wp_verify_nonce( $nonce, $action = -1 ) { 2370 $nonce = (string) $nonce; 2371 $user = wp_get_current_user(); 2372 $uid = (int) $user->ID; 2373 if ( ! $uid ) { 2374 /** 2375 * Filters whether the user who generated the nonce is logged out. 2376 * 2377 * @since 3.5.0 2378 * 2379 * @param int $uid ID of the nonce-owning user. 2380 * @param string|int $action The nonce action, or -1 if none was provided. 2381 */ 2382 $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); 2383 } 2384 2385 if ( empty( $nonce ) ) { 2386 return false; 2387 } 2388 2389 $token = wp_get_session_token(); 2390 $i = wp_nonce_tick( $action ); 2391 2392 // Nonce generated 0-12 hours ago. 2393 $expected = substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 ); 2394 if ( hash_equals( $expected, $nonce ) ) { 2395 return 1; 2396 } 2397 2398 // Nonce generated 12-24 hours ago. 2399 $expected = substr( wp_hash( ( $i - 1 ) . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 ); 2400 if ( hash_equals( $expected, $nonce ) ) { 2401 return 2; 2402 } 2403 2404 /** 2405 * Fires when nonce verification fails. 2406 * 2407 * @since 4.4.0 2408 * 2409 * @param string $nonce The invalid nonce. 2410 * @param string|int $action The nonce action. 2411 * @param WP_User $user The current user object. 2412 * @param string $token The user's session token. 2413 */ 2414 do_action( 'wp_verify_nonce_failed', $nonce, $action, $user, $token ); 2415 2416 // Invalid nonce. 2417 return false; 2418 } 2419 endif; 2420 2421 if ( ! function_exists( 'wp_create_nonce' ) ) : 2422 /** 2423 * Creates a cryptographic token tied to a specific action, user, user session, 2424 * and window of time. 2425 * 2426 * @since 2.0.3 2427 * @since 4.0.0 Session tokens were integrated with nonce creation. 2428 * 2429 * @param string|int $action Scalar value to add context to the nonce. 2430 * @return string The token. 2431 */ 2432 function wp_create_nonce( $action = -1 ) { 2433 $user = wp_get_current_user(); 2434 $uid = (int) $user->ID; 2435 if ( ! $uid ) { 2436 /** This filter is documented in wp-includes/pluggable.php */ 2437 $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); 2438 } 2439 2440 $token = wp_get_session_token(); 2441 $i = wp_nonce_tick( $action ); 2442 2443 return substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 ); 2444 } 2445 endif; 2446 2447 if ( ! function_exists( 'wp_salt' ) ) : 2448 /** 2449 * Returns a salt to add to hashes. 2450 * 2451 * Salts are created using secret keys. Secret keys are located in two places: 2452 * in the database and in the wp-config.php file. The secret key in the database 2453 * is randomly generated and will be appended to the secret keys in wp-config.php. 2454 * 2455 * The secret keys in wp-config.php should be updated to strong, random keys to maximize 2456 * security. Below is an example of how the secret key constants are defined. 2457 * Do not paste this example directly into wp-config.php. Instead, have a 2458 * {@link https://api.wordpress.org/secret-key/1.1/salt/ secret key created} just 2459 * for you. 2460 * 2461 * define('AUTH_KEY', ' Xakm<o xQy rw4EMsLKM-?!T+,PFF})H4lzcW57AF0U@N@< >M%G4Yt>f`z]MON'); 2462 * define('SECURE_AUTH_KEY', 'LzJ}op]mr|6+![P}Ak:uNdJCJZd>(Hx.-Mh#Tz)pCIU#uGEnfFz|f ;;eU%/U^O~'); 2463 * define('LOGGED_IN_KEY', '|i|Ux`9<p-h$aFf(qnT:sDO:D1P^wZ$$/Ra@miTJi9G;ddp_<q}6H1)o|a +&JCM'); 2464 * define('NONCE_KEY', '%:R{[P|,s.KuMltH5}cI;/k<Gx~j!f0I)m_sIyu+&NJZ)-iO>z7X>QYR0Z_XnZ@|'); 2465 * define('AUTH_SALT', 'eZyT)-Naw]F8CwA*VaW#q*|.)g@o}||wf~@C-YSt}(dh_r6EbI#A,y|nU2{B#JBW'); 2466 * define('SECURE_AUTH_SALT', '!=oLUTXh,QW=H `}`L|9/^4-3 STz},T(w}W<I`.JjPi)<Bmf1v,HpGe}T1:Xt7n'); 2467 * define('LOGGED_IN_SALT', '+XSqHc;@Q*K_b|Z?NC[3H!!EONbh.n<+=uKR:>*c(u`g~EJBf#8u#R{mUEZrozmm'); 2468 * define('NONCE_SALT', 'h`GXHhD>SLWVfg1(1(N{;.V!MoE(SfbA_ksP@&`+AycHcAV$+?@3q+rxV{%^VyKT'); 2469 * 2470 * Salting passwords helps against tools which has stored hashed values of 2471 * common dictionary strings. The added values makes it harder to crack. 2472 * 2473 * @since 2.5.0 2474 * 2475 * @link https://api.wordpress.org/secret-key/1.1/salt/ Create secrets for wp-config.php 2476 * 2477 * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce). 2478 * @return string Salt value 2479 */ 2480 function wp_salt( $scheme = 'auth' ) { 2481 static $cached_salts = array(); 2482 if ( isset( $cached_salts[ $scheme ] ) ) { 2483 /** 2484 * Filters the WordPress salt. 2485 * 2486 * @since 2.5.0 2487 * 2488 * @param string $cached_salt Cached salt for the given scheme. 2489 * @param string $scheme Authentication scheme. Values include 'auth', 2490 * 'secure_auth', 'logged_in', and 'nonce'. 2491 */ 2492 return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme ); 2493 } 2494 2495 static $duplicated_keys; 2496 if ( null === $duplicated_keys ) { 2497 $duplicated_keys = array(); 2498 2499 foreach ( array( 'AUTH', 'SECURE_AUTH', 'LOGGED_IN', 'NONCE', 'SECRET' ) as $first ) { 2500 foreach ( array( 'KEY', 'SALT' ) as $second ) { 2501 if ( ! defined( "{$first}_{$second}" ) ) { 2502 continue; 2503 } 2504 $value = constant( "{$first}_{$second}" ); 2505 $duplicated_keys[ $value ] = isset( $duplicated_keys[ $value ] ); 2506 } 2507 } 2508 2509 $duplicated_keys['put your unique phrase here'] = true; 2510 2511 /* 2512 * translators: This string should only be translated if wp-config-sample.php is localized. 2513 * You can check the localized release package or 2514 * https://i18n.svn.wordpress.org/<locale code>/branches/<wp version>/dist/wp-config-sample.php 2515 */ 2516 $duplicated_keys[ __( 'put your unique phrase here' ) ] = true; 2517 } 2518 2519 /* 2520 * Determine which options to prime. 2521 * 2522 * If the salt keys are undefined, use a duplicate value or the 2523 * default `put your unique phrase here` value the salt will be 2524 * generated via `wp_generate_password()` and stored as a site 2525 * option. These options will be primed to avoid repeated 2526 * database requests for undefined salts. 2527 */ 2528 $options_to_prime = array(); 2529 foreach ( array( 'auth', 'secure_auth', 'logged_in', 'nonce' ) as $key ) { 2530 foreach ( array( 'key', 'salt' ) as $second ) { 2531 $const = strtoupper( "{$key}_{$second}" ); 2532 if ( ! defined( $const ) || true === $duplicated_keys[ constant( $const ) ] ) { 2533 $options_to_prime[] = "{$key}_{$second}"; 2534 } 2535 } 2536 } 2537 2538 if ( ! empty( $options_to_prime ) ) { 2539 /* 2540 * Also prime `secret_key` used for undefined salting schemes. 2541 * 2542 * If the scheme is unknown, the default value for `secret_key` will be 2543 * used too for the salt. This should rarely happen, so the option is only 2544 * primed if other salts are undefined. 2545 * 2546 * At this point of execution it is known that a database call will be made 2547 * to prime salts, so the `secret_key` option can be primed regardless of the 2548 * constants status. 2549 */ 2550 $options_to_prime[] = 'secret_key'; 2551 wp_prime_site_option_caches( $options_to_prime ); 2552 } 2553 2554 $values = array( 2555 'key' => '', 2556 'salt' => '', 2557 ); 2558 if ( defined( 'SECRET_KEY' ) && SECRET_KEY && empty( $duplicated_keys[ SECRET_KEY ] ) ) { 2559 $values['key'] = SECRET_KEY; 2560 } 2561 if ( 'auth' === $scheme && defined( 'SECRET_SALT' ) && SECRET_SALT && empty( $duplicated_keys[ SECRET_SALT ] ) ) { 2562 $values['salt'] = SECRET_SALT; 2563 } 2564 2565 if ( in_array( $scheme, array( 'auth', 'secure_auth', 'logged_in', 'nonce' ), true ) ) { 2566 foreach ( array( 'key', 'salt' ) as $type ) { 2567 $const = strtoupper( "{$scheme}_{$type}" ); 2568 if ( defined( $const ) && constant( $const ) && empty( $duplicated_keys[ constant( $const ) ] ) ) { 2569 $values[ $type ] = constant( $const ); 2570 } elseif ( ! $values[ $type ] ) { 2571 $values[ $type ] = get_site_option( "{$scheme}_{$type}" ); 2572 if ( ! $values[ $type ] ) { 2573 $values[ $type ] = wp_generate_password( 64, true, true ); 2574 update_site_option( "{$scheme}_{$type}", $values[ $type ] ); 2575 } 2576 } 2577 } 2578 } else { 2579 if ( ! $values['key'] ) { 2580 $values['key'] = get_site_option( 'secret_key' ); 2581 if ( ! $values['key'] ) { 2582 $values['key'] = wp_generate_password( 64, true, true ); 2583 update_site_option( 'secret_key', $values['key'] ); 2584 } 2585 } 2586 $values['salt'] = hash_hmac( 'md5', $scheme, $values['key'] ); 2587 } 2588 2589 $cached_salts[ $scheme ] = $values['key'] . $values['salt']; 2590 2591 /** This filter is documented in wp-includes/pluggable.php */ 2592 return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme ); 2593 } 2594 endif; 2595 2596 if ( ! function_exists( 'wp_hash' ) ) : 2597 /** 2598 * Gets the hash of the given string. 2599 * 2600 * The default algorithm is md5 but can be changed to any algorithm supported by 2601 * `hash_hmac()`. Use the `hash_hmac_algos()` function to check the supported 2602 * algorithms. 2603 * 2604 * @since 2.0.3 2605 * @since 6.8.0 The `$algo` parameter was added. 2606 * 2607 * @throws InvalidArgumentException if the hashing algorithm is not supported. 2608 * 2609 * @param string $data Plain text to hash. 2610 * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce). 2611 * @param string $algo Hashing algorithm to use. Default: 'md5'. 2612 * @return string Hash of $data. 2613 */ 2614 function wp_hash( $data, $scheme = 'auth', $algo = 'md5' ) { 2615 $salt = wp_salt( $scheme ); 2616 2617 // Ensure the algorithm is supported by the hash_hmac function. 2618 if ( ! in_array( $algo, hash_hmac_algos(), true ) ) { 2619 throw new InvalidArgumentException( 2620 sprintf( 2621 /* translators: 1: Name of a cryptographic hash algorithm. 2: List of supported algorithms. */ 2622 __( 'Unsupported hashing algorithm: %1$s. Supported algorithms are: %2$s' ), 2623 $algo, 2624 implode( ', ', hash_hmac_algos() ) 2625 ) 2626 ); 2627 } 2628 2629 return hash_hmac( $algo, $data, $salt ); 2630 } 2631 endif; 2632 2633 if ( ! function_exists( 'wp_hash_password' ) ) : 2634 /** 2635 * Creates a hash of a plain text password. 2636 * 2637 * For integration with other applications, this function can be overwritten to 2638 * instead use the other package password hashing algorithm. 2639 * 2640 * @since 2.5.0 2641 * @since 6.8.0 The password is now hashed using bcrypt by default instead of phpass. 2642 * 2643 * @global PasswordHash $wp_hasher phpass object. 2644 * 2645 * @param string $password Plain text user password to hash. 2646 * @return string The hash string of the password. 2647 */ 2648 function wp_hash_password( 2649 #[\SensitiveParameter] 2650 $password 2651 ) { 2652 global $wp_hasher; 2653 2654 if ( ! empty( $wp_hasher ) ) { 2655 return $wp_hasher->HashPassword( trim( $password ) ); 2656 } 2657 2658 if ( strlen( $password ) > 4096 ) { 2659 return '*'; 2660 } 2661 2662 /** 2663 * Filters the hashing algorithm to use in the password_hash() and password_needs_rehash() functions. 2664 * 2665 * The default is the value of the `PASSWORD_BCRYPT` constant which means bcrypt is used. 2666 * 2667 * **Important:** The only password hashing algorithm that is guaranteed to be available across PHP 2668 * installations is bcrypt. If you use any other algorithm you must make sure that it is available on 2669 * the server. The `password_algos()` function can be used to check which hashing algorithms are available. 2670 * 2671 * The hashing options can be controlled via the {@see 'wp_hash_password_options'} filter. 2672 * 2673 * Other available constants include: 2674 * 2675 * - `PASSWORD_ARGON2I` 2676 * - `PASSWORD_ARGON2ID` 2677 * - `PASSWORD_DEFAULT` 2678 * 2679 * @since 6.8.0 2680 * 2681 * @param string $algorithm The hashing algorithm. Default is the value of the `PASSWORD_BCRYPT` constant. 2682 */ 2683 $algorithm = apply_filters( 'wp_hash_password_algorithm', PASSWORD_BCRYPT ); 2684 2685 /** 2686 * Filters the options passed to the password_hash() and password_needs_rehash() functions. 2687 * 2688 * The default hashing algorithm is bcrypt, but this can be changed via the {@see 'wp_hash_password_algorithm'} 2689 * filter. You must ensure that the options are appropriate for the algorithm in use. 2690 * 2691 * @since 6.8.0 2692 * 2693 * @param array $options Array of options to pass to the password hashing functions. 2694 * By default this is an empty array which means the default 2695 * options will be used. 2696 * @param string $algorithm The hashing algorithm in use. 2697 */ 2698 $options = apply_filters( 'wp_hash_password_options', array(), $algorithm ); 2699 2700 // Algorithms other than bcrypt don't need to use pre-hashing. 2701 if ( PASSWORD_BCRYPT !== $algorithm ) { 2702 return password_hash( $password, $algorithm, $options ); 2703 } 2704 2705 // Use SHA-384 to retain entropy from a password that's longer than 72 bytes, and a `wp-sha384` key for domain separation. 2706 $password_to_hash = base64_encode( hash_hmac( 'sha384', trim( $password ), 'wp-sha384', true ) ); 2707 2708 // Add a prefix to facilitate distinguishing vanilla bcrypt hashes. 2709 return '$wp' . password_hash( $password_to_hash, $algorithm, $options ); 2710 } 2711 endif; 2712 2713 if ( ! function_exists( 'wp_check_password' ) ) : 2714 /** 2715 * Checks a plaintext password against a hashed password. 2716 * 2717 * Note that this function may be used to check a value that is not a user password. 2718 * A plugin may use this function to check a password of a different type, and there 2719 * may not always be a user ID associated with the password. 2720 * 2721 * For integration with other applications, this function can be overwritten to 2722 * instead use the other package password hashing algorithm. 2723 * 2724 * @since 2.5.0 2725 * @since 6.8.0 Passwords in WordPress are now hashed with bcrypt by default. A 2726 * password that wasn't hashed with bcrypt will be checked with phpass. 2727 * Passwords hashed with md5 are no longer supported. 2728 * 2729 * @global PasswordHash $wp_hasher phpass object. Used as a fallback for verifying 2730 * passwords that were hashed with phpass. 2731 * 2732 * @param string $password Plaintext password. 2733 * @param string $hash Hash of the password to check against. 2734 * @param string|int $user_id Optional. ID of a user associated with the password. 2735 * @return bool False, if the $password does not match the hashed password. 2736 */ 2737 function wp_check_password( 2738 #[\SensitiveParameter] 2739 $password, 2740 $hash, 2741 $user_id = '' 2742 ) { 2743 global $wp_hasher; 2744 2745 $check = false; 2746 2747 // If the hash is still md5 or otherwise truncated then invalidate it. 2748 if ( strlen( $hash ) <= 32 ) { 2749 /** 2750 * Filters whether the plaintext password matches the hashed password. 2751 * 2752 * @since 2.5.0 2753 * @since 6.8.0 Passwords are now hashed with bcrypt by default. 2754 * Old passwords may still be hashed with phpass. 2755 * 2756 * @param bool $check Whether the passwords match. 2757 * @param string $password The plaintext password. 2758 * @param string $hash The hashed password. 2759 * @param string|int $user_id Optional ID of a user associated with the password. 2760 * Can be empty. 2761 */ 2762 return apply_filters( 'check_password', $check, $password, $hash, $user_id ); 2763 } 2764 2765 if ( ! empty( $wp_hasher ) ) { 2766 // Check the password using the overridden hasher. 2767 $check = $wp_hasher->CheckPassword( $password, $hash ); 2768 } elseif ( strlen( $password ) > 4096 ) { 2769 $check = false; 2770 } elseif ( str_starts_with( $hash, '$wp' ) ) { 2771 // Check the password using the current prefixed hash. 2772 $password_to_verify = base64_encode( hash_hmac( 'sha384', $password, 'wp-sha384', true ) ); 2773 $check = password_verify( $password_to_verify, substr( $hash, 3 ) ); 2774 } elseif ( str_starts_with( $hash, '$P$' ) ) { 2775 // Check the password using phpass. 2776 require_once ABSPATH . WPINC . '/class-phpass.php'; 2777 $check = ( new PasswordHash( 8, true ) )->CheckPassword( $password, $hash ); 2778 } else { 2779 // Check the password using compat support for any non-prefixed hash. 2780 $check = password_verify( $password, $hash ); 2781 } 2782 2783 /** This filter is documented in wp-includes/pluggable.php */ 2784 return apply_filters( 'check_password', $check, $password, $hash, $user_id ); 2785 } 2786 endif; 2787 2788 if ( ! function_exists( 'wp_password_needs_rehash' ) ) : 2789 /** 2790 * Checks whether a password hash needs to be rehashed. 2791 * 2792 * Passwords are hashed with bcrypt using the default cost. A password hashed in a prior version 2793 * of WordPress may still be hashed with phpass and will need to be rehashed. If the default cost 2794 * or algorithm is changed in PHP or WordPress then a password hashed in a previous version will 2795 * need to be rehashed. 2796 * 2797 * Note that, just like wp_check_password(), this function may be used to check a value that is 2798 * not a user password. A plugin may use this function to check a password of a different type, 2799 * and there may not always be a user ID associated with the password. 2800 * 2801 * @since 6.8.0 2802 * 2803 * @global PasswordHash $wp_hasher phpass object. 2804 * 2805 * @param string $hash Hash of a password to check. 2806 * @param string|int $user_id Optional. ID of a user associated with the password. 2807 * @return bool Whether the hash needs to be rehashed. 2808 */ 2809 function wp_password_needs_rehash( $hash, $user_id = '' ) { 2810 global $wp_hasher; 2811 2812 if ( ! empty( $wp_hasher ) ) { 2813 return false; 2814 } 2815 2816 /** This filter is documented in wp-includes/pluggable.php */ 2817 $algorithm = apply_filters( 'wp_hash_password_algorithm', PASSWORD_BCRYPT ); 2818 2819 /** This filter is documented in wp-includes/pluggable.php */ 2820 $options = apply_filters( 'wp_hash_password_options', array(), $algorithm ); 2821 2822 $prefixed = str_starts_with( $hash, '$wp' ); 2823 2824 if ( ( PASSWORD_BCRYPT === $algorithm ) && ! $prefixed ) { 2825 // If bcrypt is in use and the hash is not prefixed then it needs to be rehashed. 2826 $needs_rehash = true; 2827 } else { 2828 // Otherwise check the hash minus its prefix if necessary. 2829 $hash_to_check = $prefixed ? substr( $hash, 3 ) : $hash; 2830 $needs_rehash = password_needs_rehash( $hash_to_check, $algorithm, $options ); 2831 } 2832 2833 /** 2834 * Filters whether the password hash needs to be rehashed. 2835 * 2836 * @since 6.8.0 2837 * 2838 * @param bool $needs_rehash Whether the password hash needs to be rehashed. 2839 * @param string $hash The password hash. 2840 * @param string|int $user_id Optional. ID of a user associated with the password. 2841 */ 2842 return apply_filters( 'password_needs_rehash', $needs_rehash, $hash, $user_id ); 2843 } 2844 endif; 2845 2846 if ( ! function_exists( 'wp_generate_password' ) ) : 2847 /** 2848 * Generates a random password drawn from the defined set of characters. 2849 * 2850 * Uses wp_rand() to create passwords with far less predictability 2851 * than similar native PHP functions like `rand()` or `mt_rand()`. 2852 * 2853 * @since 2.5.0 2854 * 2855 * @param int $length Optional. The length of password to generate. Default 12. 2856 * @param bool $special_chars Optional. Whether to include standard special characters. 2857 * Default true. 2858 * @param bool $extra_special_chars Optional. Whether to include other special characters. 2859 * Used when generating secret keys and salts. Default false. 2860 * @return string The random password. 2861 */ 2862 function wp_generate_password( $length = 12, $special_chars = true, $extra_special_chars = false ) { 2863 $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; 2864 if ( $special_chars ) { 2865 $chars .= '!@#$%^&*()'; 2866 } 2867 if ( $extra_special_chars ) { 2868 $chars .= '-_ []{}<>~`+=,.;:/?|'; 2869 } 2870 2871 $password = ''; 2872 for ( $i = 0; $i < $length; $i++ ) { 2873 $password .= substr( $chars, wp_rand( 0, strlen( $chars ) - 1 ), 1 ); 2874 } 2875 2876 /** 2877 * Filters the randomly-generated password. 2878 * 2879 * @since 3.0.0 2880 * @since 5.3.0 Added the `$length`, `$special_chars`, and `$extra_special_chars` parameters. 2881 * 2882 * @param string $password The generated password. 2883 * @param int $length The length of password to generate. 2884 * @param bool $special_chars Whether to include standard special characters. 2885 * @param bool $extra_special_chars Whether to include other special characters. 2886 */ 2887 return apply_filters( 'random_password', $password, $length, $special_chars, $extra_special_chars ); 2888 } 2889 endif; 2890 2891 if ( ! function_exists( 'wp_rand' ) ) : 2892 /** 2893 * Generates a random non-negative number. 2894 * 2895 * @since 2.6.2 2896 * @since 4.4.0 Uses PHP7 random_int() or the random_compat library if available. 2897 * @since 6.1.0 Returns zero instead of a random number if both `$min` and `$max` are zero. 2898 * 2899 * @global string $rnd_value 2900 * 2901 * @param int $min Optional. Lower limit for the generated number. 2902 * Accepts positive integers or zero. Defaults to 0. 2903 * @param int $max Optional. Upper limit for the generated number. 2904 * Accepts positive integers. Defaults to 4294967295. 2905 * @return int A random non-negative number between min and max. 2906 */ 2907 function wp_rand( $min = null, $max = null ) { 2908 global $rnd_value; 2909 2910 /* 2911 * Some misconfigured 32-bit environments (Entropy PHP, for example) 2912 * truncate integers larger than PHP_INT_MAX to PHP_INT_MAX rather than overflowing them to floats. 2913 */ 2914 $max_random_number = 3000000000 === 2147483647 ? (float) '4294967295' : 4294967295; // 4294967295 = 0xffffffff 2915 2916 if ( null === $min ) { 2917 $min = 0; 2918 } 2919 2920 if ( null === $max ) { 2921 $max = $max_random_number; 2922 } 2923 2924 // We only handle ints, floats are truncated to their integer value. 2925 $min = (int) $min; 2926 $max = (int) $max; 2927 2928 // Use PHP's CSPRNG, or a compatible method. 2929 static $use_random_int_functionality = true; 2930 if ( $use_random_int_functionality ) { 2931 try { 2932 // wp_rand() can accept arguments in either order, PHP cannot. 2933 $_max = max( $min, $max ); 2934 $_min = min( $min, $max ); 2935 $val = random_int( $_min, $_max ); 2936 if ( false !== $val ) { 2937 return absint( $val ); 2938 } else { 2939 $use_random_int_functionality = false; 2940 } 2941 } catch ( Error $e ) { 2942 $use_random_int_functionality = false; 2943 } catch ( Exception $e ) { 2944 $use_random_int_functionality = false; 2945 } 2946 } 2947 2948 /* 2949 * Reset $rnd_value after 14 uses. 2950 * 32 (md5) + 40 (sha1) + 40 (sha1) / 8 = 14 random numbers from $rnd_value. 2951 */ 2952 if ( strlen( $rnd_value ) < 8 ) { 2953 if ( defined( 'WP_SETUP_CONFIG' ) ) { 2954 static $seed = ''; 2955 } else { 2956 $seed = get_transient( 'random_seed' ); 2957 } 2958 $rnd_value = md5( uniqid( microtime() . mt_rand(), true ) . $seed ); 2959 $rnd_value .= sha1( $rnd_value ); 2960 $rnd_value .= sha1( $rnd_value . $seed ); 2961 $seed = md5( $seed . $rnd_value ); 2962 if ( ! defined( 'WP_SETUP_CONFIG' ) && ! defined( 'WP_INSTALLING' ) ) { 2963 set_transient( 'random_seed', $seed ); 2964 } 2965 } 2966 2967 // Take the first 8 digits for our value. 2968 $value = substr( $rnd_value, 0, 8 ); 2969 2970 // Strip the first eight, leaving the remainder for the next call to wp_rand(). 2971 $rnd_value = substr( $rnd_value, 8 ); 2972 2973 $value = abs( hexdec( $value ) ); 2974 2975 // Reduce the value to be within the min - max range. 2976 $value = $min + ( $max - $min + 1 ) * $value / ( $max_random_number + 1 ); 2977 2978 return abs( (int) $value ); 2979 } 2980 endif; 2981 2982 if ( ! function_exists( 'wp_set_password' ) ) : 2983 /** 2984 * Updates the user's password with a new hashed one. 2985 * 2986 * For integration with other applications, this function can be overwritten to 2987 * instead use the other package password checking algorithm. 2988 * 2989 * Please note: This function should be used sparingly and is really only meant for single-time 2990 * application. Leveraging this improperly in a plugin or theme could result in an endless loop 2991 * of password resets if precautions are not taken to ensure it does not execute on every page load. 2992 * 2993 * @since 2.5.0 2994 * @since 6.8.0 The password is now hashed using bcrypt by default instead of phpass. 2995 * 2996 * @global wpdb $wpdb WordPress database abstraction object. 2997 * 2998 * @param string $password The plaintext new user password. 2999 * @param int $user_id User ID. 3000 */ 3001 function wp_set_password( 3002 #[\SensitiveParameter] 3003 $password, 3004 $user_id 3005 ) { 3006 global $wpdb; 3007 3008 $old_user_data = get_userdata( $user_id ); 3009 3010 $hash = wp_hash_password( $password ); 3011 $wpdb->update( 3012 $wpdb->users, 3013 array( 3014 'user_pass' => $hash, 3015 'user_activation_key' => '', 3016 ), 3017 array( 'ID' => $user_id ) 3018 ); 3019 3020 clean_user_cache( $user_id ); 3021 3022 /** 3023 * Fires after the user password is set. 3024 * 3025 * @since 6.2.0 3026 * @since 6.7.0 The `$old_user_data` parameter was added. 3027 * 3028 * @param string $password The plaintext password just set. 3029 * @param int $user_id The ID of the user whose password was just set. 3030 * @param WP_User $old_user_data Object containing user's data prior to update. 3031 */ 3032 do_action( 'wp_set_password', $password, $user_id, $old_user_data ); 3033 } 3034 endif; 3035 3036 if ( ! function_exists( 'get_avatar' ) ) : 3037 /** 3038 * Retrieves the avatar `<img>` tag for a user, email address, MD5 hash, comment, or post. 3039 * 3040 * @since 2.5.0 3041 * @since 4.2.0 Added the optional `$args` parameter. 3042 * @since 5.5.0 Added the `loading` argument. 3043 * @since 6.1.0 Added the `decoding` argument. 3044 * @since 6.3.0 Added the `fetchpriority` argument. 3045 * 3046 * @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash, 3047 * user email, WP_User object, WP_Post object, or WP_Comment object. 3048 * @param int $size Optional. Height and width of the avatar in pixels. Default 96. 3049 * @param string $default_value URL for the default image or a default type. Accepts: 3050 * - '404' (return a 404 instead of a default image) 3051 * - 'retro' (a 8-bit arcade-style pixelated face) 3052 * - 'robohash' (a robot) 3053 * - 'monsterid' (a monster) 3054 * - 'wavatar' (a cartoon face) 3055 * - 'identicon' (the "quilt", a geometric pattern) 3056 * - 'mystery', 'mm', or 'mysteryman' (The Oyster Man) 3057 * - 'blank' (transparent GIF) 3058 * - 'gravatar_default' (the Gravatar logo) 3059 * Default is the value of the 'avatar_default' option, 3060 * with a fallback of 'mystery'. 3061 * @param string $alt Optional. Alternative text to use in the avatar image tag. 3062 * Default empty. 3063 * @param array $args { 3064 * Optional. Extra arguments to retrieve the avatar. 3065 * 3066 * @type int $height Display height of the avatar in pixels. Defaults to $size. 3067 * @type int $width Display width of the avatar in pixels. Defaults to $size. 3068 * @type bool $force_default Whether to always show the default image, never the Gravatar. 3069 * Default false. 3070 * @type string $rating What rating to display avatars up to. Accepts: 3071 * - 'G' (suitable for all audiences) 3072 * - 'PG' (possibly offensive, usually for audiences 13 and above) 3073 * - 'R' (intended for adult audiences above 17) 3074 * - 'X' (even more mature than above) 3075 * Default is the value of the 'avatar_rating' option. 3076 * @type string $scheme URL scheme to use. See set_url_scheme() for accepted values. 3077 * Default null. 3078 * @type array|string $class Array or string of additional classes to add to the img element. 3079 * Default null. 3080 * @type bool $force_display Whether to always show the avatar - ignores the show_avatars option. 3081 * Default false. 3082 * @type string $loading Value for the `loading` attribute. 3083 * Default null. 3084 * @type string $fetchpriority Value for the `fetchpriority` attribute. 3085 * Default null. 3086 * @type string $decoding Value for the `decoding` attribute. 3087 * Default null. 3088 * @type string $extra_attr HTML attributes to insert in the IMG element. Is not sanitized. 3089 * Default empty. 3090 * } 3091 * @return string|false `<img>` tag for the user's avatar. False on failure. 3092 */ 3093 function get_avatar( $id_or_email, $size = 96, $default_value = '', $alt = '', $args = null ) { 3094 $defaults = array( 3095 // get_avatar_data() args. 3096 'size' => 96, 3097 'height' => null, 3098 'width' => null, 3099 'default' => get_option( 'avatar_default', 'mystery' ), 3100 'force_default' => false, 3101 'rating' => get_option( 'avatar_rating' ), 3102 'scheme' => null, 3103 'alt' => '', 3104 'class' => null, 3105 'force_display' => false, 3106 'loading' => null, 3107 'fetchpriority' => null, 3108 'decoding' => null, 3109 'extra_attr' => '', 3110 ); 3111 3112 if ( empty( $args ) ) { 3113 $args = array(); 3114 } 3115 3116 $args['size'] = (int) $size; 3117 $args['default'] = $default_value; 3118 $args['alt'] = $alt; 3119 3120 $args = wp_parse_args( $args, $defaults ); 3121 3122 if ( empty( $args['height'] ) ) { 3123 $args['height'] = $args['size']; 3124 } 3125 if ( empty( $args['width'] ) ) { 3126 $args['width'] = $args['size']; 3127 } 3128 3129 // Update args with loading optimized attributes. 3130 $loading_optimization_attr = wp_get_loading_optimization_attributes( 'img', $args, 'get_avatar' ); 3131 3132 $args = array_merge( $args, $loading_optimization_attr ); 3133 3134 if ( is_object( $id_or_email ) && isset( $id_or_email->comment_ID ) ) { 3135 $id_or_email = get_comment( $id_or_email ); 3136 } 3137 3138 /** 3139 * Allows the HTML for a user's avatar to be returned early. 3140 * 3141 * Returning a non-null value will effectively short-circuit get_avatar(), passing 3142 * the value through the {@see 'get_avatar'} filter and returning early. 3143 * 3144 * @since 4.2.0 3145 * 3146 * @param string|null $avatar HTML for the user's avatar. Default null. 3147 * @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash, 3148 * user email, WP_User object, WP_Post object, or WP_Comment object. 3149 * @param array $args Arguments passed to get_avatar_url(), after processing. 3150 */ 3151 $avatar = apply_filters( 'pre_get_avatar', null, $id_or_email, $args ); 3152 3153 if ( ! is_null( $avatar ) ) { 3154 /** This filter is documented in wp-includes/pluggable.php */ 3155 return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args ); 3156 } 3157 3158 if ( ! $args['force_display'] && ! get_option( 'show_avatars' ) ) { 3159 return false; 3160 } 3161 3162 $url2x = get_avatar_url( $id_or_email, array_merge( $args, array( 'size' => $args['size'] * 2 ) ) ); 3163 3164 $args = get_avatar_data( $id_or_email, $args ); 3165 3166 $url = $args['url']; 3167 3168 if ( ! $url || is_wp_error( $url ) ) { 3169 return false; 3170 } 3171 3172 $class = array( 'avatar', 'avatar-' . (int) $args['size'], 'photo' ); 3173 3174 if ( ! $args['found_avatar'] || $args['force_default'] ) { 3175 $class[] = 'avatar-default'; 3176 } 3177 3178 if ( $args['class'] ) { 3179 if ( is_array( $args['class'] ) ) { 3180 $class = array_merge( $class, $args['class'] ); 3181 } else { 3182 $class[] = $args['class']; 3183 } 3184 } 3185 3186 // Add `loading`, `fetchpriority`, and `decoding` attributes. 3187 $extra_attr = $args['extra_attr']; 3188 3189 if ( in_array( $args['loading'], array( 'lazy', 'eager' ), true ) 3190 && ! preg_match( '/\bloading\s*=/', $extra_attr ) 3191 ) { 3192 if ( ! empty( $extra_attr ) ) { 3193 $extra_attr .= ' '; 3194 } 3195 3196 $extra_attr .= "loading='{$args['loading']}'"; 3197 } 3198 3199 if ( in_array( $args['fetchpriority'], array( 'high', 'low', 'auto' ), true ) 3200 && ! preg_match( '/\bfetchpriority\s*=/', $extra_attr ) 3201 ) { 3202 if ( ! empty( $extra_attr ) ) { 3203 $extra_attr .= ' '; 3204 } 3205 3206 $extra_attr .= "fetchpriority='{$args['fetchpriority']}'"; 3207 } 3208 3209 if ( in_array( $args['decoding'], array( 'async', 'sync', 'auto' ), true ) 3210 && ! preg_match( '/\bdecoding\s*=/', $extra_attr ) 3211 ) { 3212 if ( ! empty( $extra_attr ) ) { 3213 $extra_attr .= ' '; 3214 } 3215 3216 $extra_attr .= "decoding='{$args['decoding']}'"; 3217 } 3218 3219 $avatar = sprintf( 3220 "<img alt='%s' src='%s' srcset='%s' class='%s' height='%d' width='%d' %s/>", 3221 esc_attr( $args['alt'] ), 3222 esc_url( $url ), 3223 esc_url( $url2x ) . ' 2x', 3224 esc_attr( implode( ' ', $class ) ), 3225 (int) $args['height'], 3226 (int) $args['width'], 3227 $extra_attr 3228 ); 3229 3230 /** 3231 * Filters the HTML for a user's avatar. 3232 * 3233 * @since 2.5.0 3234 * @since 4.2.0 Added the `$args` parameter. 3235 * 3236 * @param string $avatar HTML for the user's avatar. 3237 * @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash, 3238 * user email, WP_User object, WP_Post object, or WP_Comment object. 3239 * @param int $size Height and width of the avatar in pixels. 3240 * @param string $default_value URL for the default image or a default type. Accepts: 3241 * - '404' (return a 404 instead of a default image) 3242 * - 'retro' (a 8-bit arcade-style pixelated face) 3243 * - 'robohash' (a robot) 3244 * - 'monsterid' (a monster) 3245 * - 'wavatar' (a cartoon face) 3246 * - 'identicon' (the "quilt", a geometric pattern) 3247 * - 'mystery', 'mm', or 'mysteryman' (The Oyster Man) 3248 * - 'blank' (transparent GIF) 3249 * - 'gravatar_default' (the Gravatar logo) 3250 * @param string $alt Alternative text to use in the avatar image tag. 3251 * @param array $args Arguments passed to get_avatar_data(), after processing. 3252 */ 3253 return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args ); 3254 } 3255 endif; 3256 3257 if ( ! function_exists( 'wp_text_diff' ) ) : 3258 /** 3259 * Displays a human readable HTML representation of the difference between two strings. 3260 * 3261 * The Diff is available for getting the changes between versions. The output is 3262 * HTML, so the primary use is for displaying the changes. If the two strings 3263 * are equivalent, then an empty string will be returned. 3264 * 3265 * @since 2.6.0 3266 * 3267 * @see wp_parse_args() Used to change defaults to user defined settings. 3268 * @uses Text_Diff 3269 * @uses WP_Text_Diff_Renderer_Table 3270 * 3271 * @param string $left_string "old" (left) version of string. 3272 * @param string $right_string "new" (right) version of string. 3273 * @param string|array $args { 3274 * Associative array of options to pass to WP_Text_Diff_Renderer_Table(). 3275 * 3276 * @type string $title Titles the diff in a manner compatible 3277 * with the output. Default empty. 3278 * @type string $title_left Change the HTML to the left of the title. 3279 * Default empty. 3280 * @type string $title_right Change the HTML to the right of the title. 3281 * Default empty. 3282 * @type bool $show_split_view True for split view (two columns), false for 3283 * un-split view (single column). Default true. 3284 * } 3285 * @return string Empty string if strings are equivalent or HTML with differences. 3286 */ 3287 function wp_text_diff( $left_string, $right_string, $args = null ) { 3288 $defaults = array( 3289 'title' => '', 3290 'title_left' => '', 3291 'title_right' => '', 3292 'show_split_view' => true, 3293 ); 3294 $args = wp_parse_args( $args, $defaults ); 3295 3296 if ( ! class_exists( 'WP_Text_Diff_Renderer_Table', false ) ) { 3297 require ABSPATH . WPINC . '/wp-diff.php'; 3298 } 3299 3300 $left_string = normalize_whitespace( $left_string ); 3301 $right_string = normalize_whitespace( $right_string ); 3302 3303 $left_lines = explode( "\n", $left_string ); 3304 $right_lines = explode( "\n", $right_string ); 3305 $text_diff = new Text_Diff( $left_lines, $right_lines ); 3306 $renderer = new WP_Text_Diff_Renderer_Table( $args ); 3307 $diff = $renderer->render( $text_diff ); 3308 3309 if ( ! $diff ) { 3310 return ''; 3311 } 3312 3313 $is_split_view = ! empty( $args['show_split_view'] ); 3314 $is_split_view_class = $is_split_view ? ' is-split-view' : ''; 3315 3316 $r = "<table class='diff$is_split_view_class'>\n"; 3317 3318 if ( $args['title'] ) { 3319 $r .= "<caption class='diff-title'>$args[title]</caption>\n"; 3320 } 3321 3322 if ( $args['title_left'] || $args['title_right'] ) { 3323 $r .= '<thead>'; 3324 } 3325 3326 if ( $args['title_left'] || $args['title_right'] ) { 3327 $th_or_td_left = empty( $args['title_left'] ) ? 'td' : 'th'; 3328 $th_or_td_right = empty( $args['title_right'] ) ? 'td' : 'th'; 3329 3330 $r .= "<tr class='diff-sub-title'>\n"; 3331 $r .= "\t<$th_or_td_left>$args[title_left]</$th_or_td_left>\n"; 3332 if ( $is_split_view ) { 3333 $r .= "\t<$th_or_td_right>$args[title_right]</$th_or_td_right>\n"; 3334 } 3335 $r .= "</tr>\n"; 3336 } 3337 3338 if ( $args['title_left'] || $args['title_right'] ) { 3339 $r .= "</thead>\n"; 3340 } 3341 3342 $r .= "<tbody>\n$diff\n</tbody>\n"; 3343 $r .= '</table>'; 3344 3345 return $r; 3346 } 3347 endif;
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| Generated : Fri Feb 21 08:20:01 2025 | Cross-referenced by PHPXref |