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PHP Cross Reference of Wordpress 2.9.1 |
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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('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 * @since 2.0.1 16 * @see wp_set_current_user() An alias of wp_set_current_user() 17 * 18 * @param int|null $id User ID. 19 * @param string $name Optional. The user's username 20 * @return object returns wp_set_current_user() 21 */ 22 function set_current_user($id, $name = '') { 23 return wp_set_current_user($id, $name); 24 } 25 endif; 26 27 if ( !function_exists('wp_set_current_user') ) : 28 /** 29 * Changes the current user by ID or name. 30 * 31 * Set $id to null and specify a name if you do not know a user's ID. 32 * 33 * Some WordPress functionality is based on the current user and not based on 34 * the signed in user. Therefore, it opens the ability to edit and perform 35 * actions on users who aren't signed in. 36 * 37 * @since 2.0.3 38 * @global object $current_user The current user object which holds the user data. 39 * @uses do_action() Calls 'set_current_user' hook after setting the current user. 40 * 41 * @param int $id User ID 42 * @param string $name User's username 43 * @return WP_User Current user User object 44 */ 45 function wp_set_current_user($id, $name = '') { 46 global $current_user; 47 48 if ( isset($current_user) && ($id == $current_user->ID) ) 49 return $current_user; 50 51 $current_user = new WP_User($id, $name); 52 53 setup_userdata($current_user->ID); 54 55 do_action('set_current_user'); 56 57 return $current_user; 58 } 59 endif; 60 61 if ( !function_exists('wp_get_current_user') ) : 62 /** 63 * Retrieve the current user object. 64 * 65 * @since 2.0.3 66 * 67 * @return WP_User Current user WP_User object 68 */ 69 function wp_get_current_user() { 70 global $current_user; 71 72 get_currentuserinfo(); 73 74 return $current_user; 75 } 76 endif; 77 78 if ( !function_exists('get_currentuserinfo') ) : 79 /** 80 * Populate global variables with information about the currently logged in user. 81 * 82 * Will set the current user, if the current user is not set. The current user 83 * will be set to the logged in person. If no user is logged in, then it will 84 * set the current user to 0, which is invalid and won't have any permissions. 85 * 86 * @since 0.71 87 * @uses $current_user Checks if the current user is set 88 * @uses wp_validate_auth_cookie() Retrieves current logged in user. 89 * 90 * @return bool|null False on XMLRPC Request and invalid auth cookie. Null when current user set 91 */ 92 function get_currentuserinfo() { 93 global $current_user; 94 95 if ( defined('XMLRPC_REQUEST') && XMLRPC_REQUEST ) 96 return false; 97 98 if ( ! empty($current_user) ) 99 return; 100 101 if ( ! $user = wp_validate_auth_cookie() ) { 102 if ( is_admin() || empty($_COOKIE[LOGGED_IN_COOKIE]) || !$user = wp_validate_auth_cookie($_COOKIE[LOGGED_IN_COOKIE], 'logged_in') ) { 103 wp_set_current_user(0); 104 return false; 105 } 106 } 107 108 wp_set_current_user($user); 109 } 110 endif; 111 112 if ( !function_exists('get_userdata') ) : 113 /** 114 * Retrieve user info by user ID. 115 * 116 * @since 0.71 117 * 118 * @param int $user_id User ID 119 * @return bool|object False on failure, User DB row object 120 */ 121 function get_userdata( $user_id ) { 122 global $wpdb; 123 124 $user_id = absint($user_id); 125 if ( $user_id == 0 ) 126 return false; 127 128 $user = wp_cache_get($user_id, 'users'); 129 130 if ( $user ) 131 return $user; 132 133 if ( !$user = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->users WHERE ID = %d LIMIT 1", $user_id)) ) 134 return false; 135 136 _fill_user($user); 137 138 return $user; 139 } 140 endif; 141 142 if ( !function_exists('get_user_by') ) : 143 /** 144 * Retrieve user info by a given field 145 * 146 * @since 2.8.0 147 * 148 * @param string $field The field to retrieve the user with. id | slug | email | login 149 * @param int|string $value A value for $field. A user ID, slug, email address, or login name. 150 * @return bool|object False on failure, User DB row object 151 */ 152 function get_user_by($field, $value) { 153 global $wpdb; 154 155 switch ($field) { 156 case 'id': 157 return get_userdata($value); 158 break; 159 case 'slug': 160 $user_id = wp_cache_get($value, 'userslugs'); 161 $field = 'user_nicename'; 162 break; 163 case 'email': 164 $user_id = wp_cache_get($value, 'useremail'); 165 $field = 'user_email'; 166 break; 167 case 'login': 168 $value = sanitize_user( $value ); 169 $user_id = wp_cache_get($value, 'userlogins'); 170 $field = 'user_login'; 171 break; 172 default: 173 return false; 174 } 175 176 if ( false !== $user_id ) 177 return get_userdata($user_id); 178 179 if ( !$user = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->users WHERE $field = %s", $value) ) ) 180 return false; 181 182 _fill_user($user); 183 184 return $user; 185 } 186 endif; 187 188 if ( !function_exists('get_userdatabylogin') ) : 189 /** 190 * Retrieve user info by login name. 191 * 192 * @since 0.71 193 * 194 * @param string $user_login User's username 195 * @return bool|object False on failure, User DB row object 196 */ 197 function get_userdatabylogin($user_login) { 198 return get_user_by('login', $user_login); 199 } 200 endif; 201 202 if ( !function_exists('get_user_by_email') ) : 203 /** 204 * Retrieve user info by email. 205 * 206 * @since 2.5 207 * 208 * @param string $email User's email address 209 * @return bool|object False on failure, User DB row object 210 */ 211 function get_user_by_email($email) { 212 return get_user_by('email', $email); 213 } 214 endif; 215 216 if ( !function_exists( 'wp_mail' ) ) : 217 /** 218 * Send mail, similar to PHP's mail 219 * 220 * A true return value does not automatically mean that the user received the 221 * email successfully. It just only means that the method used was able to 222 * process the request without any errors. 223 * 224 * Using the two 'wp_mail_from' and 'wp_mail_from_name' hooks allow from 225 * creating a from address like 'Name <email@address.com>' when both are set. If 226 * just 'wp_mail_from' is set, then just the email address will be used with no 227 * name. 228 * 229 * The default content type is 'text/plain' which does not allow using HTML. 230 * However, you can set the content type of the email by using the 231 * 'wp_mail_content_type' filter. 232 * 233 * The default charset is based on the charset used on the blog. The charset can 234 * be set using the 'wp_mail_charset' filter. 235 * 236 * @since 1.2.1 237 * @uses apply_filters() Calls 'wp_mail' hook on an array of all of the parameters. 238 * @uses apply_filters() Calls 'wp_mail_from' hook to get the from email address. 239 * @uses apply_filters() Calls 'wp_mail_from_name' hook to get the from address name. 240 * @uses apply_filters() Calls 'wp_mail_content_type' hook to get the email content type. 241 * @uses apply_filters() Calls 'wp_mail_charset' hook to get the email charset 242 * @uses do_action_ref_array() Calls 'phpmailer_init' hook on the reference to 243 * phpmailer object. 244 * @uses PHPMailer 245 * @ 246 * 247 * @param string $to Email address to send message 248 * @param string $subject Email subject 249 * @param string $message Message contents 250 * @param string|array $headers Optional. Additional headers. 251 * @param string|array $attachments Optional. Files to attach. 252 * @return bool Whether the email contents were sent successfully. 253 */ 254 function wp_mail( $to, $subject, $message, $headers = '', $attachments = array() ) { 255 // Compact the input, apply the filters, and extract them back out 256 extract( apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers', 'attachments' ) ) ); 257 258 if ( !is_array($attachments) ) 259 $attachments = explode( "\n", $attachments ); 260 261 global $phpmailer; 262 263 // (Re)create it, if it's gone missing 264 if ( !is_object( $phpmailer ) || !is_a( $phpmailer, 'PHPMailer' ) ) { 265 require_once ABSPATH . WPINC . '/class-phpmailer.php'; 266 require_once ABSPATH . WPINC . '/class-smtp.php'; 267 $phpmailer = new PHPMailer(); 268 } 269 270 // Headers 271 if ( empty( $headers ) ) { 272 $headers = array(); 273 } else { 274 if ( !is_array( $headers ) ) { 275 // Explode the headers out, so this function can take both 276 // string headers and an array of headers. 277 $tempheaders = (array) explode( "\n", $headers ); 278 } else { 279 $tempheaders = $headers; 280 } 281 $headers = array(); 282 283 // If it's actually got contents 284 if ( !empty( $tempheaders ) ) { 285 // Iterate through the raw headers 286 foreach ( (array) $tempheaders as $header ) { 287 if ( strpos($header, ':') === false ) { 288 if ( false !== stripos( $header, 'boundary=' ) ) { 289 $parts = preg_split('/boundary=/i', trim( $header ) ); 290 $boundary = trim( str_replace( array( "'", '"' ), '', $parts[1] ) ); 291 } 292 continue; 293 } 294 // Explode them out 295 list( $name, $content ) = explode( ':', trim( $header ), 2 ); 296 297 // Cleanup crew 298 $name = trim( $name ); 299 $content = trim( $content ); 300 301 // Mainly for legacy -- process a From: header if it's there 302 if ( 'from' == strtolower($name) ) { 303 if ( strpos($content, '<' ) !== false ) { 304 // So... making my life hard again? 305 $from_name = substr( $content, 0, strpos( $content, '<' ) - 1 ); 306 $from_name = str_replace( '"', '', $from_name ); 307 $from_name = trim( $from_name ); 308 309 $from_email = substr( $content, strpos( $content, '<' ) + 1 ); 310 $from_email = str_replace( '>', '', $from_email ); 311 $from_email = trim( $from_email ); 312 } else { 313 $from_email = trim( $content ); 314 } 315 } elseif ( 'content-type' == strtolower($name) ) { 316 if ( strpos( $content,';' ) !== false ) { 317 list( $type, $charset ) = explode( ';', $content ); 318 $content_type = trim( $type ); 319 if ( false !== stripos( $charset, 'charset=' ) ) { 320 $charset = trim( str_replace( array( 'charset=', '"' ), '', $charset ) ); 321 } elseif ( false !== stripos( $charset, 'boundary=' ) ) { 322 $boundary = trim( str_replace( array( 'BOUNDARY=', 'boundary=', '"' ), '', $charset ) ); 323 $charset = ''; 324 } 325 } else { 326 $content_type = trim( $content ); 327 } 328 } elseif ( 'cc' == strtolower($name) ) { 329 $cc = explode(",", $content); 330 } elseif ( 'bcc' == strtolower($name) ) { 331 $bcc = explode(",", $content); 332 } else { 333 // Add it to our grand headers array 334 $headers[trim( $name )] = trim( $content ); 335 } 336 } 337 } 338 } 339 340 // Empty out the values that may be set 341 $phpmailer->ClearAddresses(); 342 $phpmailer->ClearAllRecipients(); 343 $phpmailer->ClearAttachments(); 344 $phpmailer->ClearBCCs(); 345 $phpmailer->ClearCCs(); 346 $phpmailer->ClearCustomHeaders(); 347 $phpmailer->ClearReplyTos(); 348 349 // From email and name 350 // If we don't have a name from the input headers 351 if ( !isset( $from_name ) ) { 352 $from_name = 'WordPress'; 353 } 354 355 /* If we don't have an email from the input headers default to wordpress@$sitename 356 * Some hosts will block outgoing mail from this address if it doesn't exist but 357 * there's no easy alternative. Defaulting to admin_email might appear to be another 358 * option but some hosts may refuse to relay mail from an unknown domain. See 359 * http://trac.wordpress.org/ticket/5007. 360 */ 361 362 if ( !isset( $from_email ) ) { 363 // Get the site domain and get rid of www. 364 $sitename = strtolower( $_SERVER['SERVER_NAME'] ); 365 if ( substr( $sitename, 0, 4 ) == 'www.' ) { 366 $sitename = substr( $sitename, 4 ); 367 } 368 369 $from_email = 'wordpress@' . $sitename; 370 } 371 372 // Plugin authors can override the potentially troublesome default 373 $phpmailer->From = apply_filters( 'wp_mail_from', $from_email ); 374 $phpmailer->FromName = apply_filters( 'wp_mail_from_name', $from_name ); 375 376 // Set destination address 377 $phpmailer->AddAddress( $to ); 378 379 // Set mail's subject and body 380 $phpmailer->Subject = $subject; 381 $phpmailer->Body = $message; 382 383 // Add any CC and BCC recipients 384 if ( !empty($cc) ) { 385 foreach ( (array) $cc as $recipient ) { 386 $phpmailer->AddCc( trim($recipient) ); 387 } 388 } 389 if ( !empty($bcc) ) { 390 foreach ( (array) $bcc as $recipient) { 391 $phpmailer->AddBcc( trim($recipient) ); 392 } 393 } 394 395 // Set to use PHP's mail() 396 $phpmailer->IsMail(); 397 398 // Set Content-Type and charset 399 // If we don't have a content-type from the input headers 400 if ( !isset( $content_type ) ) { 401 $content_type = 'text/plain'; 402 } 403 404 $content_type = apply_filters( 'wp_mail_content_type', $content_type ); 405 406 $phpmailer->ContentType = $content_type; 407 408 // Set whether it's plaintext or not, depending on $content_type 409 if ( $content_type == 'text/html' ) { 410 $phpmailer->IsHTML( true ); 411 } 412 413 // If we don't have a charset from the input headers 414 if ( !isset( $charset ) ) { 415 $charset = get_bloginfo( 'charset' ); 416 } 417 418 // Set the content-type and charset 419 $phpmailer->CharSet = apply_filters( 'wp_mail_charset', $charset ); 420 421 // Set custom headers 422 if ( !empty( $headers ) ) { 423 foreach( (array) $headers as $name => $content ) { 424 $phpmailer->AddCustomHeader( sprintf( '%1$s: %2$s', $name, $content ) ); 425 } 426 if ( false !== stripos( $content_type, 'multipart' ) && ! empty($boundary) ) { 427 $phpmailer->AddCustomHeader( sprintf( "Content-Type: %s;\n\t boundary=\"%s\"", $content_type, $boundary ) ); 428 } 429 } 430 431 if ( !empty( $attachments ) ) { 432 foreach ( $attachments as $attachment ) { 433 $phpmailer->AddAttachment($attachment); 434 } 435 } 436 437 do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) ); 438 439 // Send! 440 $result = @$phpmailer->Send(); 441 442 return $result; 443 } 444 endif; 445 446 if ( !function_exists('wp_authenticate') ) : 447 /** 448 * Checks a user's login information and logs them in if it checks out. 449 * 450 * @since 2.5.0 451 * 452 * @param string $username User's username 453 * @param string $password User's password 454 * @return WP_Error|WP_User WP_User object if login successful, otherwise WP_Error object. 455 */ 456 function wp_authenticate($username, $password) { 457 $username = sanitize_user($username); 458 $password = trim($password); 459 460 $user = apply_filters('authenticate', null, $username, $password); 461 462 if ( $user == null ) { 463 // TODO what should the error message be? (Or would these even happen?) 464 // Only needed if all authentication handlers fail to return anything. 465 $user = new WP_Error('authentication_failed', __('<strong>ERROR</strong>: Invalid username or incorrect password.')); 466 } 467 468 $ignore_codes = array('empty_username', 'empty_password'); 469 470 if (is_wp_error($user) && !in_array($user->get_error_code(), $ignore_codes) ) { 471 do_action('wp_login_failed', $username); 472 } 473 474 return $user; 475 } 476 endif; 477 478 if ( !function_exists('wp_logout') ) : 479 /** 480 * Log the current user out. 481 * 482 * @since 2.5.0 483 */ 484 function wp_logout() { 485 wp_clear_auth_cookie(); 486 do_action('wp_logout'); 487 } 488 endif; 489 490 if ( !function_exists('wp_validate_auth_cookie') ) : 491 /** 492 * Validates authentication cookie. 493 * 494 * The checks include making sure that the authentication cookie is set and 495 * pulling in the contents (if $cookie is not used). 496 * 497 * Makes sure the cookie is not expired. Verifies the hash in cookie is what is 498 * should be and compares the two. 499 * 500 * @since 2.5 501 * 502 * @param string $cookie Optional. If used, will validate contents instead of cookie's 503 * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in 504 * @return bool|int False if invalid cookie, User ID if valid. 505 */ 506 function wp_validate_auth_cookie($cookie = '', $scheme = '') { 507 if ( ! $cookie_elements = wp_parse_auth_cookie($cookie, $scheme) ) { 508 do_action('auth_cookie_malformed', $cookie, $scheme); 509 return false; 510 } 511 512 extract($cookie_elements, EXTR_OVERWRITE); 513 514 $expired = $expiration; 515 516 // Allow a grace period for POST and AJAX requests 517 if ( defined('DOING_AJAX') || 'POST' == $_SERVER['REQUEST_METHOD'] ) 518 $expired += 3600; 519 520 // Quick check to see if an honest cookie has expired 521 if ( $expired < time() ) { 522 do_action('auth_cookie_expired', $cookie_elements); 523 return false; 524 } 525 526 $user = get_userdatabylogin($username); 527 if ( ! $user ) { 528 do_action('auth_cookie_bad_username', $cookie_elements); 529 return false; 530 } 531 532 $pass_frag = substr($user->user_pass, 8, 4); 533 534 $key = wp_hash($username . $pass_frag . '|' . $expiration, $scheme); 535 $hash = hash_hmac('md5', $username . '|' . $expiration, $key); 536 537 if ( $hmac != $hash ) { 538 do_action('auth_cookie_bad_hash', $cookie_elements); 539 return false; 540 } 541 542 if ( $expiration < time() ) // AJAX/POST grace period set above 543 $GLOBALS['login_grace_period'] = 1; 544 545 do_action('auth_cookie_valid', $cookie_elements, $user); 546 547 return $user->ID; 548 } 549 endif; 550 551 if ( !function_exists('wp_generate_auth_cookie') ) : 552 /** 553 * Generate authentication cookie contents. 554 * 555 * @since 2.5 556 * @uses apply_filters() Calls 'auth_cookie' hook on $cookie contents, User ID 557 * and expiration of cookie. 558 * 559 * @param int $user_id User ID 560 * @param int $expiration Cookie expiration in seconds 561 * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in 562 * @return string Authentication cookie contents 563 */ 564 function wp_generate_auth_cookie($user_id, $expiration, $scheme = 'auth') { 565 $user = get_userdata($user_id); 566 567 $pass_frag = substr($user->user_pass, 8, 4); 568 569 $key = wp_hash($user->user_login . $pass_frag . '|' . $expiration, $scheme); 570 $hash = hash_hmac('md5', $user->user_login . '|' . $expiration, $key); 571 572 $cookie = $user->user_login . '|' . $expiration . '|' . $hash; 573 574 return apply_filters('auth_cookie', $cookie, $user_id, $expiration, $scheme); 575 } 576 endif; 577 578 if ( !function_exists('wp_parse_auth_cookie') ) : 579 /** 580 * Parse a cookie into its components 581 * 582 * @since 2.7 583 * 584 * @param string $cookie 585 * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in 586 * @return array Authentication cookie components 587 */ 588 function wp_parse_auth_cookie($cookie = '', $scheme = '') { 589 if ( empty($cookie) ) { 590 switch ($scheme){ 591 case 'auth': 592 $cookie_name = AUTH_COOKIE; 593 break; 594 case 'secure_auth': 595 $cookie_name = SECURE_AUTH_COOKIE; 596 break; 597 case "logged_in": 598 $cookie_name = LOGGED_IN_COOKIE; 599 break; 600 default: 601 if ( is_ssl() ) { 602 $cookie_name = SECURE_AUTH_COOKIE; 603 $scheme = 'secure_auth'; 604 } else { 605 $cookie_name = AUTH_COOKIE; 606 $scheme = 'auth'; 607 } 608 } 609 610 if ( empty($_COOKIE[$cookie_name]) ) 611 return false; 612 $cookie = $_COOKIE[$cookie_name]; 613 } 614 615 $cookie_elements = explode('|', $cookie); 616 if ( count($cookie_elements) != 3 ) 617 return false; 618 619 list($username, $expiration, $hmac) = $cookie_elements; 620 621 return compact('username', 'expiration', 'hmac', 'scheme'); 622 } 623 endif; 624 625 if ( !function_exists('wp_set_auth_cookie') ) : 626 /** 627 * Sets the authentication cookies based User ID. 628 * 629 * The $remember parameter increases the time that the cookie will be kept. The 630 * default the cookie is kept without remembering is two days. When $remember is 631 * set, the cookies will be kept for 14 days or two weeks. 632 * 633 * @since 2.5 634 * 635 * @param int $user_id User ID 636 * @param bool $remember Whether to remember the user or not 637 */ 638 function wp_set_auth_cookie($user_id, $remember = false, $secure = '') { 639 if ( $remember ) { 640 $expiration = $expire = time() + apply_filters('auth_cookie_expiration', 1209600, $user_id, $remember); 641 } else { 642 $expiration = time() + apply_filters('auth_cookie_expiration', 172800, $user_id, $remember); 643 $expire = 0; 644 } 645 646 if ( '' === $secure ) 647 $secure = is_ssl() ? true : false; 648 649 if ( $secure ) { 650 $auth_cookie_name = SECURE_AUTH_COOKIE; 651 $scheme = 'secure_auth'; 652 } else { 653 $auth_cookie_name = AUTH_COOKIE; 654 $scheme = 'auth'; 655 } 656 657 $auth_cookie = wp_generate_auth_cookie($user_id, $expiration, $scheme); 658 $logged_in_cookie = wp_generate_auth_cookie($user_id, $expiration, 'logged_in'); 659 660 do_action('set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme); 661 do_action('set_logged_in_cookie', $logged_in_cookie, $expire, $expiration, $user_id, 'logged_in'); 662 663 // Set httponly if the php version is >= 5.2.0 664 if ( version_compare(phpversion(), '5.2.0', 'ge') ) { 665 setcookie($auth_cookie_name, $auth_cookie, $expire, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN, $secure, true); 666 setcookie($auth_cookie_name, $auth_cookie, $expire, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, $secure, true); 667 setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, COOKIE_DOMAIN, false, true); 668 if ( COOKIEPATH != SITECOOKIEPATH ) 669 setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, SITECOOKIEPATH, COOKIE_DOMAIN, false, true); 670 } else { 671 $cookie_domain = COOKIE_DOMAIN; 672 if ( !empty($cookie_domain) ) 673 $cookie_domain .= '; HttpOnly'; 674 setcookie($auth_cookie_name, $auth_cookie, $expire, PLUGINS_COOKIE_PATH, $cookie_domain, $secure); 675 setcookie($auth_cookie_name, $auth_cookie, $expire, ADMIN_COOKIE_PATH, $cookie_domain, $secure); 676 setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, $cookie_domain); 677 if ( COOKIEPATH != SITECOOKIEPATH ) 678 setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, SITECOOKIEPATH, $cookie_domain); 679 } 680 } 681 endif; 682 683 if ( !function_exists('wp_clear_auth_cookie') ) : 684 /** 685 * Removes all of the cookies associated with authentication. 686 * 687 * @since 2.5 688 */ 689 function wp_clear_auth_cookie() { 690 do_action('clear_auth_cookie'); 691 692 setcookie(AUTH_COOKIE, ' ', time() - 31536000, ADMIN_COOKIE_PATH, COOKIE_DOMAIN); 693 setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, ADMIN_COOKIE_PATH, COOKIE_DOMAIN); 694 setcookie(AUTH_COOKIE, ' ', time() - 31536000, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN); 695 setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN); 696 setcookie(LOGGED_IN_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN); 697 setcookie(LOGGED_IN_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN); 698 699 // Old cookies 700 setcookie(AUTH_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN); 701 setcookie(AUTH_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN); 702 setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN); 703 setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN); 704 705 // Even older cookies 706 setcookie(USER_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN); 707 setcookie(PASS_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN); 708 setcookie(USER_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN); 709 setcookie(PASS_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN); 710 } 711 endif; 712 713 if ( !function_exists('is_user_logged_in') ) : 714 /** 715 * Checks if the current visitor is a logged in user. 716 * 717 * @since 2.0.0 718 * 719 * @return bool True if user is logged in, false if not logged in. 720 */ 721 function is_user_logged_in() { 722 $user = wp_get_current_user(); 723 724 if ( $user->id == 0 ) 725 return false; 726 727 return true; 728 } 729 endif; 730 731 if ( !function_exists('auth_redirect') ) : 732 /** 733 * Checks if a user is logged in, if not it redirects them to the login page. 734 * 735 * @since 1.5 736 */ 737 function auth_redirect() { 738 // Checks if a user is logged in, if not redirects them to the login page 739 740 if ( is_ssl() || force_ssl_admin() ) 741 $secure = true; 742 else 743 $secure = false; 744 745 // If https is required and request is http, redirect 746 if ( $secure && !is_ssl() && false !== strpos($_SERVER['REQUEST_URI'], 'wp-admin') ) { 747 if ( 0 === strpos($_SERVER['REQUEST_URI'], 'http') ) { 748 wp_redirect(preg_replace('|^http://|', 'https://', $_SERVER['REQUEST_URI'])); 749 exit(); 750 } else { 751 wp_redirect('https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']); 752 exit(); 753 } 754 } 755 756 if ( $user_id = wp_validate_auth_cookie( '', apply_filters( 'auth_redirect_scheme', '' ) ) ) { 757 do_action('auth_redirect', $user_id); 758 759 // If the user wants ssl but the session is not ssl, redirect. 760 if ( !$secure && get_user_option('use_ssl', $user_id) && false !== strpos($_SERVER['REQUEST_URI'], 'wp-admin') ) { 761 if ( 0 === strpos($_SERVER['REQUEST_URI'], 'http') ) { 762 wp_redirect(preg_replace('|^http://|', 'https://', $_SERVER['REQUEST_URI'])); 763 exit(); 764 } else { 765 wp_redirect('https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']); 766 exit(); 767 } 768 } 769 770 return; // The cookie is good so we're done 771 } 772 773 // The cookie is no good so force login 774 nocache_headers(); 775 776 if ( is_ssl() ) 777 $proto = 'https://'; 778 else 779 $proto = 'http://'; 780 781 $redirect = ( strpos($_SERVER['REQUEST_URI'], '/options.php') && wp_get_referer() ) ? wp_get_referer() : $proto . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; 782 783 $login_url = wp_login_url($redirect); 784 785 wp_redirect($login_url); 786 exit(); 787 } 788 endif; 789 790 if ( !function_exists('check_admin_referer') ) : 791 /** 792 * Makes sure that a user was referred from another admin page. 793 * 794 * To avoid security exploits. 795 * 796 * @since 1.2.0 797 * @uses do_action() Calls 'check_admin_referer' on $action. 798 * 799 * @param string $action Action nonce 800 * @param string $query_arg where to look for nonce in $_REQUEST (since 2.5) 801 */ 802 function check_admin_referer($action = -1, $query_arg = '_wpnonce') { 803 $adminurl = strtolower(admin_url()); 804 $referer = strtolower(wp_get_referer()); 805 $result = isset($_REQUEST[$query_arg]) ? wp_verify_nonce($_REQUEST[$query_arg], $action) : false; 806 if ( !$result && !(-1 == $action && strpos($referer, $adminurl) !== false) ) { 807 wp_nonce_ays($action); 808 die(); 809 } 810 do_action('check_admin_referer', $action, $result); 811 return $result; 812 }endif; 813 814 if ( !function_exists('check_ajax_referer') ) : 815 /** 816 * Verifies the AJAX request to prevent processing requests external of the blog. 817 * 818 * @since 2.0.3 819 * 820 * @param string $action Action nonce 821 * @param string $query_arg where to look for nonce in $_REQUEST (since 2.5) 822 */ 823 function check_ajax_referer( $action = -1, $query_arg = false, $die = true ) { 824 if ( $query_arg ) 825 $nonce = $_REQUEST[$query_arg]; 826 else 827 $nonce = isset($_REQUEST['_ajax_nonce']) ? $_REQUEST['_ajax_nonce'] : $_REQUEST['_wpnonce']; 828 829 $result = wp_verify_nonce( $nonce, $action ); 830 831 if ( $die && false == $result ) 832 die('-1'); 833 834 do_action('check_ajax_referer', $action, $result); 835 836 return $result; 837 } 838 endif; 839 840 if ( !function_exists('wp_redirect') ) : 841 /** 842 * Redirects to another page, with a workaround for the IIS Set-Cookie bug. 843 * 844 * @link http://support.microsoft.com/kb/q176113/ 845 * @since 1.5.1 846 * @uses apply_filters() Calls 'wp_redirect' hook on $location and $status. 847 * 848 * @param string $location The path to redirect to 849 * @param int $status Status code to use 850 * @return bool False if $location is not set 851 */ 852 function wp_redirect($location, $status = 302) { 853 global $is_IIS; 854 855 $location = apply_filters('wp_redirect', $location, $status); 856 $status = apply_filters('wp_redirect_status', $status, $location); 857 858 if ( !$location ) // allows the wp_redirect filter to cancel a redirect 859 return false; 860 861 $location = wp_sanitize_redirect($location); 862 863 if ( $is_IIS ) { 864 header("Refresh: 0;url=$location"); 865 } else { 866 if ( php_sapi_name() != 'cgi-fcgi' ) 867 status_header($status); // This causes problems on IIS and some FastCGI setups 868 header("Location: $location", true, $status); 869 } 870 } 871 endif; 872 873 if ( !function_exists('wp_sanitize_redirect') ) : 874 /** 875 * Sanitizes a URL for use in a redirect. 876 * 877 * @since 2.3 878 * 879 * @return string redirect-sanitized URL 880 **/ 881 function wp_sanitize_redirect($location) { 882 $location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%!]|i', '', $location); 883 $location = wp_kses_no_null($location); 884 885 // remove %0d and %0a from location 886 $strip = array('%0d', '%0a', '%0D', '%0A'); 887 $location = _deep_replace($strip, $location); 888 return $location; 889 } 890 endif; 891 892 if ( !function_exists('wp_safe_redirect') ) : 893 /** 894 * Performs a safe (local) redirect, using wp_redirect(). 895 * 896 * Checks whether the $location is using an allowed host, if it has an absolute 897 * path. A plugin can therefore set or remove allowed host(s) to or from the 898 * list. 899 * 900 * If the host is not allowed, then the redirect is to wp-admin on the siteurl 901 * instead. This prevents malicious redirects which redirect to another host, 902 * but only used in a few places. 903 * 904 * @since 2.3 905 * @uses wp_validate_redirect() To validate the redirect is to an allowed host. 906 * 907 * @return void Does not return anything 908 **/ 909 function wp_safe_redirect($location, $status = 302) { 910 911 // Need to look at the URL the way it will end up in wp_redirect() 912 $location = wp_sanitize_redirect($location); 913 914 $location = wp_validate_redirect($location, admin_url()); 915 916 wp_redirect($location, $status); 917 } 918 endif; 919 920 if ( !function_exists('wp_validate_redirect') ) : 921 /** 922 * Validates a URL for use in a redirect. 923 * 924 * Checks whether the $location is using an allowed host, if it has an absolute 925 * path. A plugin can therefore set or remove allowed host(s) to or from the 926 * list. 927 * 928 * If the host is not allowed, then the redirect is to $default supplied 929 * 930 * @since 2.8.1 931 * @uses apply_filters() Calls 'allowed_redirect_hosts' on an array containing 932 * WordPress host string and $location host string. 933 * 934 * @param string $location The redirect to validate 935 * @param string $default The value to return is $location is not allowed 936 * @return string redirect-sanitized URL 937 **/ 938 function wp_validate_redirect($location, $default = '') { 939 // browsers will assume 'http' is your protocol, and will obey a redirect to a URL starting with '//' 940 if ( substr($location, 0, 2) == '//' ) 941 $location = 'http:' . $location; 942 943 // In php 5 parse_url may fail if the URL query part contains http://, bug #38143 944 $test = ( $cut = strpos($location, '?') ) ? substr( $location, 0, $cut ) : $location; 945 946 $lp = parse_url($test); 947 $wpp = parse_url(get_option('home')); 948 949 $allowed_hosts = (array) apply_filters('allowed_redirect_hosts', array($wpp['host']), isset($lp['host']) ? $lp['host'] : ''); 950 951 if ( isset($lp['host']) && ( !in_array($lp['host'], $allowed_hosts) && $lp['host'] != strtolower($wpp['host'])) ) 952 $location = $default; 953 954 return $location; 955 } 956 endif; 957 958 if ( ! function_exists('wp_notify_postauthor') ) : 959 /** 960 * Notify an author of a comment/trackback/pingback to one of their posts. 961 * 962 * @since 1.0.0 963 * 964 * @param int $comment_id Comment ID 965 * @param string $comment_type Optional. The comment type either 'comment' (default), 'trackback', or 'pingback' 966 * @return bool False if user email does not exist. True on completion. 967 */ 968 function wp_notify_postauthor($comment_id, $comment_type='') { 969 $comment = get_comment($comment_id); 970 $post = get_post($comment->comment_post_ID); 971 $user = get_userdata( $post->post_author ); 972 $current_user = wp_get_current_user(); 973 974 if ( $comment->user_id == $post->post_author ) return false; // The author moderated a comment on his own post 975 976 if ('' == $user->user_email) return false; // If there's no email to send the comment to 977 978 $comment_author_domain = @gethostbyaddr($comment->comment_author_IP); 979 980 // The blogname option is escaped with esc_html on the way into the database in sanitize_option 981 // we want to reverse this for the plain text arena of emails. 982 $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); 983 984 if ( empty( $comment_type ) ) $comment_type = 'comment'; 985 986 if ('comment' == $comment_type) { 987 /* translators: 1: post id, 2: post title */ 988 $notify_message = sprintf( __('New comment on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n"; 989 /* translators: 1: comment author, 2: author IP, 3: author domain */ 990 $notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 991 $notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n"; 992 $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n"; 993 $notify_message .= sprintf( __('Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n"; 994 $notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n"; 995 $notify_message .= __('You can see all comments on this post here: ') . "\r\n"; 996 /* translators: 1: blog name, 2: post title */ 997 $subject = sprintf( __('[%1$s] Comment: "%2$s"'), $blogname, $post->post_title ); 998 } elseif ('trackback' == $comment_type) { 999 /* translators: 1: post id, 2: post title */ 1000 $notify_message = sprintf( __('New trackback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n"; 1001 /* translators: 1: website name, 2: author IP, 3: author domain */ 1002 $notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1003 $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n"; 1004 $notify_message .= __('Excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n"; 1005 $notify_message .= __('You can see all trackbacks on this post here: ') . "\r\n"; 1006 /* translators: 1: blog name, 2: post title */ 1007 $subject = sprintf( __('[%1$s] Trackback: "%2$s"'), $blogname, $post->post_title ); 1008 } elseif ('pingback' == $comment_type) { 1009 /* translators: 1: post id, 2: post title */ 1010 $notify_message = sprintf( __('New pingback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n"; 1011 /* translators: 1: comment author, 2: author IP, 3: author domain */ 1012 $notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1013 $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n"; 1014 $notify_message .= __('Excerpt: ') . "\r\n" . sprintf('[...] %s [...]', $comment->comment_content ) . "\r\n\r\n"; 1015 $notify_message .= __('You can see all pingbacks on this post here: ') . "\r\n"; 1016 /* translators: 1: blog name, 2: post title */ 1017 $subject = sprintf( __('[%1$s] Pingback: "%2$s"'), $blogname, $post->post_title ); 1018 } 1019 $notify_message .= get_permalink($comment->comment_post_ID) . "#comments\r\n\r\n"; 1020 if ( EMPTY_TRASH_DAYS ) 1021 $notify_message .= sprintf( __('Trash it: %s'), admin_url("comment.php?action=trash&c=$comment_id") ) . "\r\n"; 1022 else 1023 $notify_message .= sprintf( __('Delete it: %s'), admin_url("comment.php?action=delete&c=$comment_id") ) . "\r\n"; 1024 $notify_message .= sprintf( __('Spam it: %s'), admin_url("comment.php?action=spam&c=$comment_id") ) . "\r\n"; 1025 1026 $wp_email = 'wordpress@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME'])); 1027 1028 if ( '' == $comment->comment_author ) { 1029 $from = "From: \"$blogname\" <$wp_email>"; 1030 if ( '' != $comment->comment_author_email ) 1031 $reply_to = "Reply-To: $comment->comment_author_email"; 1032 } else { 1033 $from = "From: \"$comment->comment_author\" <$wp_email>"; 1034 if ( '' != $comment->comment_author_email ) 1035 $reply_to = "Reply-To: \"$comment->comment_author_email\" <$comment->comment_author_email>"; 1036 } 1037 1038 $message_headers = "$from\n" 1039 . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n"; 1040 1041 if ( isset($reply_to) ) 1042 $message_headers .= $reply_to . "\n"; 1043 1044 $notify_message = apply_filters('comment_notification_text', $notify_message, $comment_id); 1045 $subject = apply_filters('comment_notification_subject', $subject, $comment_id); 1046 $message_headers = apply_filters('comment_notification_headers', $message_headers, $comment_id); 1047 1048 @wp_mail($user->user_email, $subject, $notify_message, $message_headers); 1049 1050 return true; 1051 } 1052 endif; 1053 1054 if ( !function_exists('wp_notify_moderator') ) : 1055 /** 1056 * Notifies the moderator of the blog about a new comment that is awaiting approval. 1057 * 1058 * @since 1.0 1059 * @uses $wpdb 1060 * 1061 * @param int $comment_id Comment ID 1062 * @return bool Always returns true 1063 */ 1064 function wp_notify_moderator($comment_id) { 1065 global $wpdb; 1066 1067 if( get_option( "moderation_notify" ) == 0 ) 1068 return true; 1069 1070 $comment = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID=%d LIMIT 1", $comment_id)); 1071 $post = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID=%d LIMIT 1", $comment->comment_post_ID)); 1072 1073 $comment_author_domain = @gethostbyaddr($comment->comment_author_IP); 1074 $comments_waiting = $wpdb->get_var("SELECT count(comment_ID) FROM $wpdb->comments WHERE comment_approved = '0'"); 1075 1076 // The blogname option is escaped with esc_html on the way into the database in sanitize_option 1077 // we want to reverse this for the plain text arena of emails. 1078 $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); 1079 1080 switch ($comment->comment_type) 1081 { 1082 case 'trackback': 1083 $notify_message = sprintf( __('A new trackback on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n"; 1084 $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n"; 1085 $notify_message .= sprintf( __('Website : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1086 $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n"; 1087 $notify_message .= __('Trackback excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n"; 1088 break; 1089 case 'pingback': 1090 $notify_message = sprintf( __('A new pingback on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n"; 1091 $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n"; 1092 $notify_message .= sprintf( __('Website : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1093 $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n"; 1094 $notify_message .= __('Pingback excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n"; 1095 break; 1096 default: //Comments 1097 $notify_message = sprintf( __('A new comment on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n"; 1098 $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n"; 1099 $notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1100 $notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n"; 1101 $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n"; 1102 $notify_message .= sprintf( __('Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n"; 1103 $notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n"; 1104 break; 1105 } 1106 1107 $notify_message .= sprintf( __('Approve it: %s'), admin_url("comment.php?action=approve&c=$comment_id") ) . "\r\n"; 1108 if ( EMPTY_TRASH_DAYS ) 1109 $notify_message .= sprintf( __('Trash it: %s'), admin_url("comment.php?action=trash&c=$comment_id") ) . "\r\n"; 1110 else 1111 $notify_message .= sprintf( __('Delete it: %s'), admin_url("comment.php?action=delete&c=$comment_id") ) . "\r\n"; 1112 $notify_message .= sprintf( __('Spam it: %s'), admin_url("comment.php?action=spam&c=$comment_id") ) . "\r\n"; 1113 1114 $notify_message .= sprintf( _n('Currently %s comment is waiting for approval. Please visit the moderation panel:', 1115 'Currently %s comments are waiting for approval. Please visit the moderation panel:', $comments_waiting), number_format_i18n($comments_waiting) ) . "\r\n"; 1116 $notify_message .= admin_url("edit-comments.php?comment_status=moderated") . "\r\n"; 1117 1118 $subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), $blogname, $post->post_title ); 1119 $admin_email = get_option('admin_email'); 1120 $message_headers = ''; 1121 1122 $notify_message = apply_filters('comment_moderation_text', $notify_message, $comment_id); 1123 $subject = apply_filters('comment_moderation_subject', $subject, $comment_id); 1124 $message_headers = apply_filters('comment_moderation_headers', $message_headers); 1125 1126 @wp_mail($admin_email, $subject, $notify_message, $message_headers); 1127 1128 return true; 1129 } 1130 endif; 1131 1132 if ( !function_exists('wp_password_change_notification') ) : 1133 /** 1134 * Notify the blog admin of a user changing password, normally via email. 1135 * 1136 * @since 2.7 1137 * 1138 * @param object $user User Object 1139 */ 1140 function wp_password_change_notification(&$user) { 1141 // send a copy of password change notification to the admin 1142 // but check to see if it's the admin whose password we're changing, and skip this 1143 if ( $user->user_email != get_option('admin_email') ) { 1144 $message = sprintf(__('Password Lost and Changed for user: %s'), $user->user_login) . "\r\n"; 1145 // The blogname option is escaped with esc_html on the way into the database in sanitize_option 1146 // we want to reverse this for the plain text arena of emails. 1147 $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); 1148 wp_mail(get_option('admin_email'), sprintf(__('[%s] Password Lost/Changed'), $blogname), $message); 1149 } 1150 } 1151 endif; 1152 1153 if ( !function_exists('wp_new_user_notification') ) : 1154 /** 1155 * Notify the blog admin of a new user, normally via email. 1156 * 1157 * @since 2.0 1158 * 1159 * @param int $user_id User ID 1160 * @param string $plaintext_pass Optional. The user's plaintext password 1161 */ 1162 function wp_new_user_notification($user_id, $plaintext_pass = '') { 1163 $user = new WP_User($user_id); 1164 1165 $user_login = stripslashes($user->user_login); 1166 $user_email = stripslashes($user->user_email); 1167 1168 // The blogname option is escaped with esc_html on the way into the database in sanitize_option 1169 // we want to reverse this for the plain text arena of emails. 1170 $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); 1171 1172 $message = sprintf(__('New user registration on your blog %s:'), $blogname) . "\r\n\r\n"; 1173 $message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n"; 1174 $message .= sprintf(__('E-mail: %s'), $user_email) . "\r\n"; 1175 1176 @wp_mail(get_option('admin_email'), sprintf(__('[%s] New User Registration'), $blogname), $message); 1177 1178 if ( empty($plaintext_pass) ) 1179 return; 1180 1181 $message = sprintf(__('Username: %s'), $user_login) . "\r\n"; 1182 $message .= sprintf(__('Password: %s'), $plaintext_pass) . "\r\n"; 1183 $message .= wp_login_url() . "\r\n"; 1184 1185 wp_mail($user_email, sprintf(__('[%s] Your username and password'), $blogname), $message); 1186 1187 } 1188 endif; 1189 1190 if ( !function_exists('wp_nonce_tick') ) : 1191 /** 1192 * Get the time-dependent variable for nonce creation. 1193 * 1194 * A nonce has a lifespan of two ticks. Nonces in their second tick may be 1195 * updated, e.g. by autosave. 1196 * 1197 * @since 2.5 1198 * 1199 * @return int 1200 */ 1201 function wp_nonce_tick() { 1202 $nonce_life = apply_filters('nonce_life', 86400); 1203 1204 return ceil(time() / ( $nonce_life / 2 )); 1205 } 1206 endif; 1207 1208 if ( !function_exists('wp_verify_nonce') ) : 1209 /** 1210 * Verify that correct nonce was used with time limit. 1211 * 1212 * The user is given an amount of time to use the token, so therefore, since the 1213 * UID and $action remain the same, the independent variable is the time. 1214 * 1215 * @since 2.0.3 1216 * 1217 * @param string $nonce Nonce that was used in the form to verify 1218 * @param string|int $action Should give context to what is taking place and be the same when nonce was created. 1219 * @return bool Whether the nonce check passed or failed. 1220 */ 1221 function wp_verify_nonce($nonce, $action = -1) { 1222 $user = wp_get_current_user(); 1223 $uid = (int) $user->id; 1224 1225 $i = wp_nonce_tick(); 1226 1227 // Nonce generated 0-12 hours ago 1228 if ( substr(wp_hash($i . $action . $uid, 'nonce'), -12, 10) == $nonce ) 1229 return 1; 1230 // Nonce generated 12-24 hours ago 1231 if ( substr(wp_hash(($i - 1) . $action . $uid, 'nonce'), -12, 10) == $nonce ) 1232 return 2; 1233 // Invalid nonce 1234 return false; 1235 } 1236 endif; 1237 1238 if ( !function_exists('wp_create_nonce') ) : 1239 /** 1240 * Creates a random, one time use token. 1241 * 1242 * @since 2.0.3 1243 * 1244 * @param string|int $action Scalar value to add context to the nonce. 1245 * @return string The one use form token 1246 */ 1247 function wp_create_nonce($action = -1) { 1248 $user = wp_get_current_user(); 1249 $uid = (int) $user->id; 1250 1251 $i = wp_nonce_tick(); 1252 1253 return substr(wp_hash($i . $action . $uid, 'nonce'), -12, 10); 1254 } 1255 endif; 1256 1257 if ( !function_exists('wp_salt') ) : 1258 /** 1259 * Get salt to add to hashes to help prevent attacks. 1260 * 1261 * The secret key is located in two places: the database in case the secret key 1262 * isn't defined in the second place, which is in the wp-config.php file. If you 1263 * are going to set the secret key, then you must do so in the wp-config.php 1264 * file. 1265 * 1266 * The secret key in the database is randomly generated and will be appended to 1267 * the secret key that is in wp-config.php file in some instances. It is 1268 * important to have the secret key defined or changed in wp-config.php. 1269 * 1270 * If you have installed WordPress 2.5 or later, then you will have the 1271 * SECRET_KEY defined in the wp-config.php already. You will want to change the 1272 * value in it because hackers will know what it is. If you have upgraded to 1273 * WordPress 2.5 or later version from a version before WordPress 2.5, then you 1274 * should add the constant to your wp-config.php file. 1275 * 1276 * Below is an example of how the SECRET_KEY constant is defined with a value. 1277 * You must not copy the below example and paste into your wp-config.php. If you 1278 * need an example, then you can have a 1279 * {@link https://api.wordpress.org/secret-key/1.1/ secret key created} for you. 1280 * 1281 * <code> 1282 * define('SECRET_KEY', 'mAry1HadA15|\/|b17w55w1t3asSn09w'); 1283 * </code> 1284 * 1285 * Salting passwords helps against tools which has stored hashed values of 1286 * common dictionary strings. The added values makes it harder to crack if given 1287 * salt string is not weak. 1288 * 1289 * @since 2.5 1290 * @link https://api.wordpress.org/secret-key/1.1/ Create a Secret Key for wp-config.php 1291 * 1292 * @return string Salt value from either 'SECRET_KEY' or 'secret' option 1293 */ 1294 function wp_salt($scheme = 'auth') { 1295 global $wp_default_secret_key; 1296 $secret_key = ''; 1297 if ( defined('SECRET_KEY') && ('' != SECRET_KEY) && ( $wp_default_secret_key != SECRET_KEY) ) 1298 $secret_key = SECRET_KEY; 1299 1300 if ( 'auth' == $scheme ) { 1301 if ( defined('AUTH_KEY') && ('' != AUTH_KEY) && ( $wp_default_secret_key != AUTH_KEY) ) 1302 $secret_key = AUTH_KEY; 1303 1304 if ( defined('AUTH_SALT') ) { 1305 $salt = AUTH_SALT; 1306 } elseif ( defined('SECRET_SALT') ) { 1307 $salt = SECRET_SALT; 1308 } else { 1309 $salt = get_option('auth_salt'); 1310 if ( empty($salt) ) { 1311 $salt = wp_generate_password(64); 1312 update_option('auth_salt', $salt); 1313 } 1314 } 1315 } elseif ( 'secure_auth' == $scheme ) { 1316 if ( defined('SECURE_AUTH_KEY') && ('' != SECURE_AUTH_KEY) && ( $wp_default_secret_key != SECURE_AUTH_KEY) ) 1317 $secret_key = SECURE_AUTH_KEY; 1318 1319 if ( defined('SECURE_AUTH_SALT') ) { 1320 $salt = SECURE_AUTH_SALT; 1321 } else { 1322 $salt = get_option('secure_auth_salt'); 1323 if ( empty($salt) ) { 1324 $salt = wp_generate_password(64); 1325 update_option('secure_auth_salt', $salt); 1326 } 1327 } 1328 } elseif ( 'logged_in' == $scheme ) { 1329 if ( defined('LOGGED_IN_KEY') && ('' != LOGGED_IN_KEY) && ( $wp_default_secret_key != LOGGED_IN_KEY) ) 1330 $secret_key = LOGGED_IN_KEY; 1331 1332 if ( defined('LOGGED_IN_SALT') ) { 1333 $salt = LOGGED_IN_SALT; 1334 } else { 1335 $salt = get_option('logged_in_salt'); 1336 if ( empty($salt) ) { 1337 $salt = wp_generate_password(64); 1338 update_option('logged_in_salt', $salt); 1339 } 1340 } 1341 } elseif ( 'nonce' == $scheme ) { 1342 if ( defined('NONCE_KEY') && ('' != NONCE_KEY) && ( $wp_default_secret_key != NONCE_KEY) ) 1343 $secret_key = NONCE_KEY; 1344 1345 if ( defined('NONCE_SALT') ) { 1346 $salt = NONCE_SALT; 1347 } else { 1348 $salt = get_option('nonce_salt'); 1349 if ( empty($salt) ) { 1350 $salt = wp_generate_password(64); 1351 update_option('nonce_salt', $salt); 1352 } 1353 } 1354 } else { 1355 // ensure each auth scheme has its own unique salt 1356 $salt = hash_hmac('md5', $scheme, $secret_key); 1357 } 1358 1359 return apply_filters('salt', $secret_key . $salt, $scheme); 1360 } 1361 endif; 1362 1363 if ( !function_exists('wp_hash') ) : 1364 /** 1365 * Get hash of given string. 1366 * 1367 * @since 2.0.3 1368 * @uses wp_salt() Get WordPress salt 1369 * 1370 * @param string $data Plain text to hash 1371 * @return string Hash of $data 1372 */ 1373 function wp_hash($data, $scheme = 'auth') { 1374 $salt = wp_salt($scheme); 1375 1376 return hash_hmac('md5', $data, $salt); 1377 } 1378 endif; 1379 1380 if ( !function_exists('wp_hash_password') ) : 1381 /** 1382 * Create a hash (encrypt) of a plain text password. 1383 * 1384 * For integration with other applications, this function can be overwritten to 1385 * instead use the other package password checking algorithm. 1386 * 1387 * @since 2.5 1388 * @global object $wp_hasher PHPass object 1389 * @uses PasswordHash::HashPassword 1390 * 1391 * @param string $password Plain text user password to hash 1392 * @return string The hash string of the password 1393 */ 1394 function wp_hash_password($password) { 1395 global $wp_hasher; 1396 1397 if ( empty($wp_hasher) ) { 1398 require_once ( ABSPATH . 'wp-includes/class-phpass.php'); 1399 // By default, use the portable hash from phpass 1400 $wp_hasher = new PasswordHash(8, TRUE); 1401 } 1402 1403 return $wp_hasher->HashPassword($password); 1404 } 1405 endif; 1406 1407 if ( !function_exists('wp_check_password') ) : 1408 /** 1409 * Checks the plaintext password against the encrypted Password. 1410 * 1411 * Maintains compatibility between old version and the new cookie authentication 1412 * protocol using PHPass library. The $hash parameter is the encrypted password 1413 * and the function compares the plain text password when encypted similarly 1414 * against the already encrypted password to see if they match. 1415 * 1416 * For integration with other applications, this function can be overwritten to 1417 * instead use the other package password checking algorithm. 1418 * 1419 * @since 2.5 1420 * @global object $wp_hasher PHPass object used for checking the password 1421 * against the $hash + $password 1422 * @uses PasswordHash::CheckPassword 1423 * 1424 * @param string $password Plaintext user's password 1425 * @param string $hash Hash of the user's password to check against. 1426 * @return bool False, if the $password does not match the hashed password 1427 */ 1428 function wp_check_password($password, $hash, $user_id = '') { 1429 global $wp_hasher; 1430 1431 // If the hash is still md5... 1432 if ( strlen($hash) <= 32 ) { 1433 $check = ( $hash == md5($password) ); 1434 if ( $check && $user_id ) { 1435 // Rehash using new hash. 1436 wp_set_password($password, $user_id); 1437 $hash = wp_hash_password($password); 1438 } 1439 1440 return apply_filters('check_password', $check, $password, $hash, $user_id); 1441 } 1442 1443 // If the stored hash is longer than an MD5, presume the 1444 // new style phpass portable hash. 1445 if ( empty($wp_hasher) ) { 1446 require_once ( ABSPATH . 'wp-includes/class-phpass.php'); 1447 // By default, use the portable hash from phpass 1448 $wp_hasher = new PasswordHash(8, TRUE); 1449 } 1450 1451 $check = $wp_hasher->CheckPassword($password, $hash); 1452 1453 return apply_filters('check_password', $check, $password, $hash, $user_id); 1454 } 1455 endif; 1456 1457 if ( !function_exists('wp_generate_password') ) : 1458 /** 1459 * Generates a random password drawn from the defined set of characters. 1460 * 1461 * @since 2.5 1462 * 1463 * @param int $length The length of password to generate 1464 * @param bool $special_chars Whether to include standard special characters 1465 * @return string The random password 1466 **/ 1467 function wp_generate_password($length = 12, $special_chars = true) { 1468 $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; 1469 if ( $special_chars ) 1470 $chars .= '!@#$%^&*()'; 1471 1472 $password = ''; 1473 for ( $i = 0; $i < $length; $i++ ) 1474 $password .= substr($chars, wp_rand(0, strlen($chars) - 1), 1); 1475 return $password; 1476 } 1477 endif; 1478 1479 if ( !function_exists('wp_rand') ) : 1480 /** 1481 * Generates a random number 1482 * 1483 * @since 2.6.2 1484 * 1485 * @param int $min Lower limit for the generated number (optional, default is 0) 1486 * @param int $max Upper limit for the generated number (optional, default is 4294967295) 1487 * @return int A random number between min and max 1488 */ 1489 function wp_rand( $min = 0, $max = 0 ) { 1490 global $rnd_value; 1491 1492 $seed = get_transient('random_seed'); 1493 1494 // Reset $rnd_value after 14 uses 1495 // 32(md5) + 40(sha1) + 40(sha1) / 8 = 14 random numbers from $rnd_value 1496 if ( strlen($rnd_value) < 8 ) { 1497 $rnd_value = md5( uniqid(microtime() . mt_rand(), true ) . $seed ); 1498 $rnd_value .= sha1($rnd_value); 1499 $rnd_value .= sha1($rnd_value . $seed); 1500 $seed = md5($seed . $rnd_value); 1501 set_transient('random_seed', $seed); 1502 } 1503 1504 // Take the first 8 digits for our value 1505 $value = substr($rnd_value, 0, 8); 1506 1507 // Strip the first eight, leaving the remainder for the next call to wp_rand(). 1508 $rnd_value = substr($rnd_value, 8); 1509 1510 $value = abs(hexdec($value)); 1511 1512 // Reduce the value to be within the min - max range 1513 // 4294967295 = 0xffffffff = max random number 1514 if ( $max != 0 ) 1515 $value = $min + (($max - $min + 1) * ($value / (4294967295 + 1))); 1516 1517 return abs(intval($value)); 1518 } 1519 endif; 1520 1521 if ( !function_exists('wp_set_password') ) : 1522 /** 1523 * Updates the user's password with a new encrypted one. 1524 * 1525 * For integration with other applications, this function can be overwritten to 1526 * instead use the other package password checking algorithm. 1527 * 1528 * @since 2.5 1529 * @uses $wpdb WordPress database object for queries 1530 * @uses wp_hash_password() Used to encrypt the user's password before passing to the database 1531 * 1532 * @param string $password The plaintext new user password 1533 * @param int $user_id User ID 1534 */ 1535 function wp_set_password( $password, $user_id ) { 1536 global $wpdb; 1537 1538 $hash = wp_hash_password($password); 1539 $wpdb->update($wpdb->users, array('user_pass' => $hash, 'user_activation_key' => ''), array('ID' => $user_id) ); 1540 1541 wp_cache_delete($user_id, 'users'); 1542 } 1543 endif; 1544 1545 if ( !function_exists( 'get_avatar' ) ) : 1546 /** 1547 * Retrieve the avatar for a user who provided a user ID or email address. 1548 * 1549 * @since 2.5 1550 * @param int|string|object $id_or_email A user ID, email address, or comment object 1551 * @param int $size Size of the avatar image 1552 * @param string $default URL to a default image to use if no avatar is available 1553 * @param string $alt Alternate text to use in image tag. Defaults to blank 1554 * @return string <img> tag for the user's avatar 1555 */ 1556 function get_avatar( $id_or_email, $size = '96', $default = '', $alt = false ) { 1557 if ( ! get_option('show_avatars') ) 1558 return false; 1559 1560 if ( false === $alt) 1561 $safe_alt = ''; 1562 else 1563 $safe_alt = esc_attr( $alt ); 1564 1565 if ( !is_numeric($size) ) 1566 $size = '96'; 1567 1568 $email = ''; 1569 if ( is_numeric($id_or_email) ) { 1570 $id = (int) $id_or_email; 1571 $user = get_userdata($id); 1572 if ( $user ) 1573 $email = $user->user_email; 1574 } elseif ( is_object($id_or_email) ) { 1575 if ( isset($id_or_email->comment_type) && '' != $id_or_email->comment_type && 'comment' != $id_or_email->comment_type ) 1576 return false; // No avatar for pingbacks or trackbacks 1577 1578 if ( !empty($id_or_email->user_id) ) { 1579 $id = (int) $id_or_email->user_id; 1580 $user = get_userdata($id); 1581 if ( $user) 1582 $email = $user->user_email; 1583 } elseif ( !empty($id_or_email->comment_author_email) ) { 1584 $email = $id_or_email->comment_author_email; 1585 } 1586 } else { 1587 $email = $id_or_email; 1588 } 1589 1590 if ( empty($default) ) { 1591 $avatar_default = get_option('avatar_default'); 1592 if ( empty($avatar_default) ) 1593 $default = 'mystery'; 1594 else 1595 $default = $avatar_default; 1596 } 1597 1598 if ( is_ssl() ) 1599 $host = 'https://secure.gravatar.com'; 1600 else 1601 $host = 'http://www.gravatar.com'; 1602 1603 if ( 'mystery' == $default ) 1604 $default = "$host/avatar/ad516503a11cd5ca435acc9bb6523536?s={$size}"; // ad516503a11cd5ca435acc9bb6523536 == md5('unknown@gravatar.com') 1605 elseif ( 'blank' == $default ) 1606 $default = includes_url('images/blank.gif'); 1607 elseif ( !empty($email) && 'gravatar_default' == $default ) 1608 $default = ''; 1609 elseif ( 'gravatar_default' == $default ) 1610 $default = "$host/avatar/s={$size}"; 1611 elseif ( empty($email) ) 1612 $default = "$host/avatar/?d=$default&s={$size}"; 1613 elseif ( strpos($default, 'http://') === 0 ) 1614 $default = add_query_arg( 's', $size, $default ); 1615 1616 if ( !empty($email) ) { 1617 $out = "$host/avatar/"; 1618 $out .= md5( strtolower( $email ) ); 1619 $out .= '?s='.$size; 1620 $out .= '&d=' . urlencode( $default ); 1621 1622 $rating = get_option('avatar_rating'); 1623 if ( !empty( $rating ) ) 1624 $out .= "&r={$rating}"; 1625 1626 $avatar = "<img alt='{$safe_alt}' src='{$out}' class='avatar avatar-{$size} photo' height='{$size}' width='{$size}' />"; 1627 } else { 1628 $avatar = "<img alt='{$safe_alt}' src='{$default}' class='avatar avatar-{$size} photo avatar-default' height='{$size}' width='{$size}' />"; 1629 } 1630 1631 return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default, $alt); 1632 } 1633 endif; 1634 1635 if ( !function_exists('wp_setcookie') ) : 1636 /** 1637 * Sets a cookie for a user who just logged in. 1638 * 1639 * @since 1.5 1640 * @deprecated Use wp_set_auth_cookie() 1641 * @see wp_set_auth_cookie() 1642 * 1643 * @param string $username The user's username 1644 * @param string $password Optional. The user's password 1645 * @param bool $already_md5 Optional. Whether the password has already been through MD5 1646 * @param string $home Optional. Will be used instead of COOKIEPATH if set 1647 * @param string $siteurl Optional. Will be used instead of SITECOOKIEPATH if set 1648 * @param bool $remember Optional. Remember that the user is logged in 1649 */ 1650 function wp_setcookie($username, $password = '', $already_md5 = false, $home = '', $siteurl = '', $remember = false) { 1651 _deprecated_function( __FUNCTION__, '2.5', 'wp_set_auth_cookie()' ); 1652 $user = get_userdatabylogin($username); 1653 wp_set_auth_cookie($user->ID, $remember); 1654 } 1655 endif; 1656 1657 if ( !function_exists('wp_clearcookie') ) : 1658 /** 1659 * Clears the authentication cookie, logging the user out. 1660 * 1661 * @since 1.5 1662 * @deprecated Use wp_clear_auth_cookie() 1663 * @see wp_clear_auth_cookie() 1664 */ 1665 function wp_clearcookie() { 1666 _deprecated_function( __FUNCTION__, '2.5', 'wp_clear_auth_cookie()' ); 1667 wp_clear_auth_cookie(); 1668 } 1669 endif; 1670 1671 if ( !function_exists('wp_get_cookie_login') ): 1672 /** 1673 * Gets the user cookie login. 1674 * 1675 * This function is deprecated and should no longer be extended as it won't be 1676 * used anywhere in WordPress. Also, plugins shouldn't use it either. 1677 * 1678 * @since 2.0.3 1679 * @deprecated No alternative 1680 * 1681 * @return bool Always returns false 1682 */ 1683 function wp_get_cookie_login() { 1684 _deprecated_function( __FUNCTION__, '2.5', '' ); 1685 return false; 1686 } 1687 endif; 1688 1689 if ( !function_exists('wp_login') ) : 1690 /** 1691 * Checks a users login information and logs them in if it checks out. 1692 * 1693 * Use the global $error to get the reason why the login failed. If the username 1694 * is blank, no error will be set, so assume blank username on that case. 1695 * 1696 * Plugins extending this function should also provide the global $error and set 1697 * what the error is, so that those checking the global for why there was a 1698 * failure can utilize it later. 1699 * 1700 * @since 1.2.2 1701 * @deprecated Use wp_signon() 1702 * @global string $error Error when false is returned 1703 * 1704 * @param string $username User's username 1705 * @param string $password User's password 1706 * @param bool $deprecated Not used 1707 * @return bool False on login failure, true on successful check 1708 */ 1709 function wp_login($username, $password, $deprecated = '') { 1710 global $error; 1711 1712 $user = wp_authenticate($username, $password); 1713 1714 if ( ! is_wp_error($user) ) 1715 return true; 1716 1717 $error = $user->get_error_message(); 1718 return false; 1719 } 1720 endif; 1721 1722 if ( !function_exists( 'wp_text_diff' ) ) : 1723 /** 1724 * Displays a human readable HTML representation of the difference between two strings. 1725 * 1726 * The Diff is available for getting the changes between versions. The output is 1727 * HTML, so the primary use is for displaying the changes. If the two strings 1728 * are equivalent, then an empty string will be returned. 1729 * 1730 * The arguments supported and can be changed are listed below. 1731 * 1732 * 'title' : Default is an empty string. Titles the diff in a manner compatible 1733 * with the output. 1734 * 'title_left' : Default is an empty string. Change the HTML to the left of the 1735 * title. 1736 * 'title_right' : Default is an empty string. Change the HTML to the right of 1737 * the title. 1738 * 1739 * @since 2.6 1740 * @see wp_parse_args() Used to change defaults to user defined settings. 1741 * @uses Text_Diff 1742 * @uses WP_Text_Diff_Renderer_Table 1743 * 1744 * @param string $left_string "old" (left) version of string 1745 * @param string $right_string "new" (right) version of string 1746 * @param string|array $args Optional. Change 'title', 'title_left', and 'title_right' defaults. 1747 * @return string Empty string if strings are equivalent or HTML with differences. 1748 */ 1749 function wp_text_diff( $left_string, $right_string, $args = null ) { 1750 $defaults = array( 'title' => '', 'title_left' => '', 'title_right' => '' ); 1751 $args = wp_parse_args( $args, $defaults ); 1752 1753 if ( !class_exists( 'WP_Text_Diff_Renderer_Table' ) ) 1754 require ( ABSPATH . WPINC . '/wp-diff.php' ); 1755 1756 $left_string = normalize_whitespace($left_string); 1757 $right_string = normalize_whitespace($right_string); 1758 1759 $left_lines = split("\n", $left_string); 1760 $right_lines = split("\n", $right_string); 1761 1762 $text_diff = new Text_Diff($left_lines, $right_lines); 1763 $renderer = new WP_Text_Diff_Renderer_Table(); 1764 $diff = $renderer->render($text_diff); 1765 1766 if ( !$diff ) 1767 return ''; 1768 1769 $r = "<table class='diff'>\n"; 1770 $r .= "<col class='ltype' /><col class='content' /><col class='ltype' /><col class='content' />"; 1771 1772 if ( $args['title'] || $args['title_left'] || $args['title_right'] ) 1773 $r .= "<thead>"; 1774 if ( $args['title'] ) 1775 $r .= "<tr class='diff-title'><th colspan='4'>$args[title]</th></tr>\n"; 1776 if ( $args['title_left'] || $args['title_right'] ) { 1777 $r .= "<tr class='diff-sub-title'>\n"; 1778 $r .= "\t<td></td><th>$args[title_left]</th>\n"; 1779 $r .= "\t<td></td><th>$args[title_right]</th>\n"; 1780 $r .= "</tr>\n"; 1781 } 1782 if ( $args['title'] || $args['title_left'] || $args['title_right'] ) 1783 $r .= "</thead>\n"; 1784 1785 $r .= "<tbody>\n$diff\n</tbody>\n"; 1786 $r .= "</table>"; 1787 1788 return $r; 1789 } 1790 endif; 1791
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| Generated: Fri Jan 8 00:19:48 2010 | Cross-referenced by PHPXref 0.7 |