| [ PHPXref.com ] | [ Generated: Sun Sep 13 08:17:58 2009 ] | [ WordPress 2.8.4 ] |
| [ Index ] [ Variables ] [ Functions ] [ Classes ] [ Constants ] [ Statistics ] | ||
[Summary view] [Print] [Text view]
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 ( ! $user = wp_validate_auth_cookie() ) { 102 if ( empty($_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 do_action('auth_cookie_valid', $cookie_elements, $user); 543 544 return $user->ID; 545 } 546 endif; 547 548 if ( !function_exists('wp_generate_auth_cookie') ) : 549 /** 550 * Generate authentication cookie contents. 551 * 552 * @since 2.5 553 * @uses apply_filters() Calls 'auth_cookie' hook on $cookie contents, User ID 554 * and expiration of cookie. 555 * 556 * @param int $user_id User ID 557 * @param int $expiration Cookie expiration in seconds 558 * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in 559 * @return string Authentication cookie contents 560 */ 561 function wp_generate_auth_cookie($user_id, $expiration, $scheme = 'auth') { 562 $user = get_userdata($user_id); 563 564 $pass_frag = substr($user->user_pass, 8, 4); 565 566 $key = wp_hash($user->user_login . $pass_frag . '|' . $expiration, $scheme); 567 $hash = hash_hmac('md5', $user->user_login . '|' . $expiration, $key); 568 569 $cookie = $user->user_login . '|' . $expiration . '|' . $hash; 570 571 return apply_filters('auth_cookie', $cookie, $user_id, $expiration, $scheme); 572 } 573 endif; 574 575 if ( !function_exists('wp_parse_auth_cookie') ) : 576 /** 577 * Parse a cookie into its components 578 * 579 * @since 2.7 580 * 581 * @param string $cookie 582 * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in 583 * @return array Authentication cookie components 584 */ 585 function wp_parse_auth_cookie($cookie = '', $scheme = '') { 586 if ( empty($cookie) ) { 587 switch ($scheme){ 588 case 'auth': 589 $cookie_name = AUTH_COOKIE; 590 break; 591 case 'secure_auth': 592 $cookie_name = SECURE_AUTH_COOKIE; 593 break; 594 case "logged_in": 595 $cookie_name = LOGGED_IN_COOKIE; 596 break; 597 default: 598 if ( is_ssl() ) { 599 $cookie_name = SECURE_AUTH_COOKIE; 600 $scheme = 'secure_auth'; 601 } else { 602 $cookie_name = AUTH_COOKIE; 603 $scheme = 'auth'; 604 } 605 } 606 607 if ( empty($_COOKIE[$cookie_name]) ) 608 return false; 609 $cookie = $_COOKIE[$cookie_name]; 610 } 611 612 $cookie_elements = explode('|', $cookie); 613 if ( count($cookie_elements) != 3 ) 614 return false; 615 616 list($username, $expiration, $hmac) = $cookie_elements; 617 618 return compact('username', 'expiration', 'hmac', 'scheme'); 619 } 620 endif; 621 622 if ( !function_exists('wp_set_auth_cookie') ) : 623 /** 624 * Sets the authentication cookies based User ID. 625 * 626 * The $remember parameter increases the time that the cookie will be kept. The 627 * default the cookie is kept without remembering is two days. When $remember is 628 * set, the cookies will be kept for 14 days or two weeks. 629 * 630 * @since 2.5 631 * 632 * @param int $user_id User ID 633 * @param bool $remember Whether to remember the user or not 634 */ 635 function wp_set_auth_cookie($user_id, $remember = false, $secure = '') { 636 if ( $remember ) { 637 $expiration = $expire = time() + apply_filters('auth_cookie_expiration', 1209600, $user_id, $remember); 638 } else { 639 $expiration = time() + apply_filters('auth_cookie_expiration', 172800, $user_id, $remember); 640 $expire = 0; 641 } 642 643 if ( '' === $secure ) 644 $secure = is_ssl() ? true : false; 645 646 if ( $secure ) { 647 $auth_cookie_name = SECURE_AUTH_COOKIE; 648 $scheme = 'secure_auth'; 649 } else { 650 $auth_cookie_name = AUTH_COOKIE; 651 $scheme = 'auth'; 652 } 653 654 $auth_cookie = wp_generate_auth_cookie($user_id, $expiration, $scheme); 655 $logged_in_cookie = wp_generate_auth_cookie($user_id, $expiration, 'logged_in'); 656 657 do_action('set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme); 658 do_action('set_logged_in_cookie', $logged_in_cookie, $expire, $expiration, $user_id, 'logged_in'); 659 660 // Set httponly if the php version is >= 5.2.0 661 if ( version_compare(phpversion(), '5.2.0', 'ge') ) { 662 setcookie($auth_cookie_name, $auth_cookie, $expire, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN, $secure, true); 663 setcookie($auth_cookie_name, $auth_cookie, $expire, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, $secure, true); 664 setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, COOKIE_DOMAIN, false, true); 665 if ( COOKIEPATH != SITECOOKIEPATH ) 666 setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, SITECOOKIEPATH, COOKIE_DOMAIN, false, true); 667 } else { 668 $cookie_domain = COOKIE_DOMAIN; 669 if ( !empty($cookie_domain) ) 670 $cookie_domain .= '; HttpOnly'; 671 setcookie($auth_cookie_name, $auth_cookie, $expire, PLUGINS_COOKIE_PATH, $cookie_domain, $secure); 672 setcookie($auth_cookie_name, $auth_cookie, $expire, ADMIN_COOKIE_PATH, $cookie_domain, $secure); 673 setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, $cookie_domain); 674 if ( COOKIEPATH != SITECOOKIEPATH ) 675 setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, SITECOOKIEPATH, $cookie_domain); 676 } 677 } 678 endif; 679 680 if ( !function_exists('wp_clear_auth_cookie') ) : 681 /** 682 * Removes all of the cookies associated with authentication. 683 * 684 * @since 2.5 685 */ 686 function wp_clear_auth_cookie() { 687 do_action('clear_auth_cookie'); 688 689 setcookie(AUTH_COOKIE, ' ', time() - 31536000, ADMIN_COOKIE_PATH, COOKIE_DOMAIN); 690 setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, ADMIN_COOKIE_PATH, COOKIE_DOMAIN); 691 setcookie(AUTH_COOKIE, ' ', time() - 31536000, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN); 692 setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN); 693 setcookie(LOGGED_IN_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN); 694 setcookie(LOGGED_IN_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN); 695 696 // Old cookies 697 setcookie(AUTH_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN); 698 setcookie(AUTH_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN); 699 setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN); 700 setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN); 701 702 // Even older cookies 703 setcookie(USER_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN); 704 setcookie(PASS_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN); 705 setcookie(USER_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN); 706 setcookie(PASS_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN); 707 } 708 endif; 709 710 if ( !function_exists('is_user_logged_in') ) : 711 /** 712 * Checks if the current visitor is a logged in user. 713 * 714 * @since 2.0.0 715 * 716 * @return bool True if user is logged in, false if not logged in. 717 */ 718 function is_user_logged_in() { 719 $user = wp_get_current_user(); 720 721 if ( $user->id == 0 ) 722 return false; 723 724 return true; 725 } 726 endif; 727 728 if ( !function_exists('auth_redirect') ) : 729 /** 730 * Checks if a user is logged in, if not it redirects them to the login page. 731 * 732 * @since 1.5 733 */ 734 function auth_redirect() { 735 // Checks if a user is logged in, if not redirects them to the login page 736 737 if ( is_ssl() || force_ssl_admin() ) 738 $secure = true; 739 else 740 $secure = false; 741 742 // If https is required and request is http, redirect 743 if ( $secure && !is_ssl() && false !== strpos($_SERVER['REQUEST_URI'], 'wp-admin') ) { 744 if ( 0 === strpos($_SERVER['REQUEST_URI'], 'http') ) { 745 wp_redirect(preg_replace('|^http://|', 'https://', $_SERVER['REQUEST_URI'])); 746 exit(); 747 } else { 748 wp_redirect('https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']); 749 exit(); 750 } 751 } 752 753 if ( $user_id = wp_validate_auth_cookie() ) { 754 do_action('auth_redirect', $user_id); 755 756 // If the user wants ssl but the session is not ssl, redirect. 757 if ( !$secure && get_user_option('use_ssl', $user_id) && false !== strpos($_SERVER['REQUEST_URI'], 'wp-admin') ) { 758 if ( 0 === strpos($_SERVER['REQUEST_URI'], 'http') ) { 759 wp_redirect(preg_replace('|^http://|', 'https://', $_SERVER['REQUEST_URI'])); 760 exit(); 761 } else { 762 wp_redirect('https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']); 763 exit(); 764 } 765 } 766 767 return; // The cookie is good so we're done 768 } 769 770 // The cookie is no good so force login 771 nocache_headers(); 772 773 if ( is_ssl() ) 774 $proto = 'https://'; 775 else 776 $proto = 'http://'; 777 778 $redirect = ( strpos($_SERVER['REQUEST_URI'], '/options.php') && wp_get_referer() ) ? wp_get_referer() : $proto . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; 779 780 $login_url = wp_login_url($redirect); 781 782 wp_redirect($login_url); 783 exit(); 784 } 785 endif; 786 787 if ( !function_exists('check_admin_referer') ) : 788 /** 789 * Makes sure that a user was referred from another admin page. 790 * 791 * To avoid security exploits. 792 * 793 * @since 1.2.0 794 * @uses do_action() Calls 'check_admin_referer' on $action. 795 * 796 * @param string $action Action nonce 797 * @param string $query_arg where to look for nonce in $_REQUEST (since 2.5) 798 */ 799 function check_admin_referer($action = -1, $query_arg = '_wpnonce') { 800 $adminurl = strtolower(admin_url()); 801 $referer = strtolower(wp_get_referer()); 802 $result = isset($_REQUEST[$query_arg]) ? wp_verify_nonce($_REQUEST[$query_arg], $action) : false; 803 if ( !$result && !(-1 == $action && strpos($referer, $adminurl) !== false) ) { 804 wp_nonce_ays($action); 805 die(); 806 } 807 do_action('check_admin_referer', $action, $result); 808 return $result; 809 }endif; 810 811 if ( !function_exists('check_ajax_referer') ) : 812 /** 813 * Verifies the AJAX request to prevent processing requests external of the blog. 814 * 815 * @since 2.0.3 816 * 817 * @param string $action Action nonce 818 * @param string $query_arg where to look for nonce in $_REQUEST (since 2.5) 819 */ 820 function check_ajax_referer( $action = -1, $query_arg = false, $die = true ) { 821 if ( $query_arg ) 822 $nonce = $_REQUEST[$query_arg]; 823 else 824 $nonce = $_REQUEST['_ajax_nonce'] ? $_REQUEST['_ajax_nonce'] : $_REQUEST['_wpnonce']; 825 826 $result = wp_verify_nonce( $nonce, $action ); 827 828 if ( $die && false == $result ) 829 die('-1'); 830 831 do_action('check_ajax_referer', $action, $result); 832 833 return $result; 834 } 835 endif; 836 837 if ( !function_exists('wp_redirect') ) : 838 /** 839 * Redirects to another page, with a workaround for the IIS Set-Cookie bug. 840 * 841 * @link http://support.microsoft.com/kb/q176113/ 842 * @since 1.5.1 843 * @uses apply_filters() Calls 'wp_redirect' hook on $location and $status. 844 * 845 * @param string $location The path to redirect to 846 * @param int $status Status code to use 847 * @return bool False if $location is not set 848 */ 849 function wp_redirect($location, $status = 302) { 850 global $is_IIS; 851 852 $location = apply_filters('wp_redirect', $location, $status); 853 $status = apply_filters('wp_redirect_status', $status, $location); 854 855 if ( !$location ) // allows the wp_redirect filter to cancel a redirect 856 return false; 857 858 $location = wp_sanitize_redirect($location); 859 860 if ( $is_IIS ) { 861 header("Refresh: 0;url=$location"); 862 } else { 863 if ( php_sapi_name() != 'cgi-fcgi' ) 864 status_header($status); // This causes problems on IIS and some FastCGI setups 865 header("Location: $location"); 866 } 867 } 868 endif; 869 870 if ( !function_exists('wp_sanitize_redirect') ) : 871 /** 872 * Sanitizes a URL for use in a redirect. 873 * 874 * @since 2.3 875 * 876 * @return string redirect-sanitized URL 877 **/ 878 function wp_sanitize_redirect($location) { 879 $location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%!]|i', '', $location); 880 $location = wp_kses_no_null($location); 881 882 // remove %0d and %0a from location 883 $strip = array('%0d', '%0a', '%0D', '%0A'); 884 $location = _deep_replace($strip, $location); 885 return $location; 886 } 887 endif; 888 889 if ( !function_exists('wp_safe_redirect') ) : 890 /** 891 * Performs a safe (local) redirect, using wp_redirect(). 892 * 893 * Checks whether the $location is using an allowed host, if it has an absolute 894 * path. A plugin can therefore set or remove allowed host(s) to or from the 895 * list. 896 * 897 * If the host is not allowed, then the redirect is to wp-admin on the siteurl 898 * instead. This prevents malicious redirects which redirect to another host, 899 * but only used in a few places. 900 * 901 * @since 2.3 902 * @uses wp_validate_redirect() To validate the redirect is to an allowed host. 903 * 904 * @return void Does not return anything 905 **/ 906 function wp_safe_redirect($location, $status = 302) { 907 908 // Need to look at the URL the way it will end up in wp_redirect() 909 $location = wp_sanitize_redirect($location); 910 911 $location = wp_validate_redirect($location, admin_url()); 912 913 wp_redirect($location, $status); 914 } 915 endif; 916 917 if ( !function_exists('wp_validate_redirect') ) : 918 /** 919 * Validates a URL for use in a redirect. 920 * 921 * Checks whether the $location is using an allowed host, if it has an absolute 922 * path. A plugin can therefore set or remove allowed host(s) to or from the 923 * list. 924 * 925 * If the host is not allowed, then the redirect is to $default supplied 926 * 927 * @since 2.8.1 928 * @uses apply_filters() Calls 'allowed_redirect_hosts' on an array containing 929 * WordPress host string and $location host string. 930 * 931 * @param string $location The redirect to validate 932 * @param string $default The value to return is $location is not allowed 933 * @return string redirect-sanitized URL 934 **/ 935 function wp_validate_redirect($location, $default = '') { 936 // browsers will assume 'http' is your protocol, and will obey a redirect to a URL starting with '//' 937 if ( substr($location, 0, 2) == '//' ) 938 $location = 'http:' . $location; 939 940 // In php 5 parse_url may fail if the URL query part contains http://, bug #38143 941 $test = ( $cut = strpos($location, '?') ) ? substr( $location, 0, $cut ) : $location; 942 943 $lp = parse_url($test); 944 $wpp = parse_url(get_option('home')); 945 946 $allowed_hosts = (array) apply_filters('allowed_redirect_hosts', array($wpp['host']), isset($lp['host']) ? $lp['host'] : ''); 947 948 if ( isset($lp['host']) && ( !in_array($lp['host'], $allowed_hosts) && $lp['host'] != strtolower($wpp['host'])) ) 949 $location = $default; 950 951 return $location; 952 } 953 endif; 954 955 if ( ! function_exists('wp_notify_postauthor') ) : 956 /** 957 * Notify an author of a comment/trackback/pingback to one of their posts. 958 * 959 * @since 1.0.0 960 * 961 * @param int $comment_id Comment ID 962 * @param string $comment_type Optional. The comment type either 'comment' (default), 'trackback', or 'pingback' 963 * @return bool False if user email does not exist. True on completion. 964 */ 965 function wp_notify_postauthor($comment_id, $comment_type='') { 966 $comment = get_comment($comment_id); 967 $post = get_post($comment->comment_post_ID); 968 $user = get_userdata( $post->post_author ); 969 $current_user = wp_get_current_user(); 970 971 if ( $comment->user_id == $post->post_author ) return false; // The author moderated a comment on his own post 972 973 if ('' == $user->user_email) return false; // If there's no email to send the comment to 974 975 $comment_author_domain = @gethostbyaddr($comment->comment_author_IP); 976 977 $blogname = get_option('blogname'); 978 979 if ( empty( $comment_type ) ) $comment_type = 'comment'; 980 981 if ('comment' == $comment_type) { 982 /* translators: 1: post id, 2: post title */ 983 $notify_message = sprintf( __('New comment on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n"; 984 /* translators: 1: comment author, 2: author IP, 3: author domain */ 985 $notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 986 $notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n"; 987 $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n"; 988 $notify_message .= sprintf( __('Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n"; 989 $notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n"; 990 $notify_message .= __('You can see all comments on this post here: ') . "\r\n"; 991 /* translators: 1: blog name, 2: post title */ 992 $subject = sprintf( __('[%1$s] Comment: "%2$s"'), $blogname, $post->post_title ); 993 } elseif ('trackback' == $comment_type) { 994 /* translators: 1: post id, 2: post title */ 995 $notify_message = sprintf( __('New trackback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n"; 996 /* translators: 1: website name, 2: author IP, 3: author domain */ 997 $notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 998 $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n"; 999 $notify_message .= __('Excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n"; 1000 $notify_message .= __('You can see all trackbacks on this post here: ') . "\r\n"; 1001 /* translators: 1: blog name, 2: post title */ 1002 $subject = sprintf( __('[%1$s] Trackback: "%2$s"'), $blogname, $post->post_title ); 1003 } elseif ('pingback' == $comment_type) { 1004 /* translators: 1: post id, 2: post title */ 1005 $notify_message = sprintf( __('New pingback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n"; 1006 /* translators: 1: comment author, 2: author IP, 3: author domain */ 1007 $notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1008 $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n"; 1009 $notify_message .= __('Excerpt: ') . "\r\n" . sprintf('[...] %s [...]', $comment->comment_content ) . "\r\n\r\n"; 1010 $notify_message .= __('You can see all pingbacks on this post here: ') . "\r\n"; 1011 /* translators: 1: blog name, 2: post title */ 1012 $subject = sprintf( __('[%1$s] Pingback: "%2$s"'), $blogname, $post->post_title ); 1013 } 1014 $notify_message .= get_permalink($comment->comment_post_ID) . "#comments\r\n\r\n"; 1015 $notify_message .= sprintf( __('Delete it: %s'), admin_url("comment.php?action=cdc&c=$comment_id") ) . "\r\n"; 1016 $notify_message .= sprintf( __('Spam it: %s'), admin_url("comment.php?action=cdc&dt=spam&c=$comment_id") ) . "\r\n"; 1017 1018 $wp_email = 'wordpress@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME'])); 1019 1020 if ( '' == $comment->comment_author ) { 1021 $from = "From: \"$blogname\" <$wp_email>"; 1022 if ( '' != $comment->comment_author_email ) 1023 $reply_to = "Reply-To: $comment->comment_author_email"; 1024 } else { 1025 $from = "From: \"$comment->comment_author\" <$wp_email>"; 1026 if ( '' != $comment->comment_author_email ) 1027 $reply_to = "Reply-To: \"$comment->comment_author_email\" <$comment->comment_author_email>"; 1028 } 1029 1030 $message_headers = "$from\n" 1031 . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n"; 1032 1033 if ( isset($reply_to) ) 1034 $message_headers .= $reply_to . "\n"; 1035 1036 $notify_message = apply_filters('comment_notification_text', $notify_message, $comment_id); 1037 $subject = apply_filters('comment_notification_subject', $subject, $comment_id); 1038 $message_headers = apply_filters('comment_notification_headers', $message_headers, $comment_id); 1039 1040 @wp_mail($user->user_email, $subject, $notify_message, $message_headers); 1041 1042 return true; 1043 } 1044 endif; 1045 1046 if ( !function_exists('wp_notify_moderator') ) : 1047 /** 1048 * Notifies the moderator of the blog about a new comment that is awaiting approval. 1049 * 1050 * @since 1.0 1051 * @uses $wpdb 1052 * 1053 * @param int $comment_id Comment ID 1054 * @return bool Always returns true 1055 */ 1056 function wp_notify_moderator($comment_id) { 1057 global $wpdb; 1058 1059 if( get_option( "moderation_notify" ) == 0 ) 1060 return true; 1061 1062 $comment = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID=%d LIMIT 1", $comment_id)); 1063 $post = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID=%d LIMIT 1", $comment->comment_post_ID)); 1064 1065 $comment_author_domain = @gethostbyaddr($comment->comment_author_IP); 1066 $comments_waiting = $wpdb->get_var("SELECT count(comment_ID) FROM $wpdb->comments WHERE comment_approved = '0'"); 1067 1068 switch ($comment->comment_type) 1069 { 1070 case 'trackback': 1071 $notify_message = sprintf( __('A new trackback on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n"; 1072 $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n"; 1073 $notify_message .= sprintf( __('Website : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1074 $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n"; 1075 $notify_message .= __('Trackback excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n"; 1076 break; 1077 case 'pingback': 1078 $notify_message = sprintf( __('A new pingback on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n"; 1079 $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n"; 1080 $notify_message .= sprintf( __('Website : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1081 $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n"; 1082 $notify_message .= __('Pingback excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n"; 1083 break; 1084 default: //Comments 1085 $notify_message = sprintf( __('A new comment on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n"; 1086 $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n"; 1087 $notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 1088 $notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n"; 1089 $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n"; 1090 $notify_message .= sprintf( __('Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n"; 1091 $notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n"; 1092 break; 1093 } 1094 1095 $notify_message .= sprintf( __('Approve it: %s'), admin_url("comment.php?action=mac&c=$comment_id") ) . "\r\n"; 1096 $notify_message .= sprintf( __('Delete it: %s'), admin_url("comment.php?action=cdc&c=$comment_id") ) . "\r\n"; 1097 $notify_message .= sprintf( __('Spam it: %s'), admin_url("comment.php?action=cdc&dt=spam&c=$comment_id") ) . "\r\n"; 1098 1099 $notify_message .= sprintf( _n('Currently %s comment is waiting for approval. Please visit the moderation panel:', 1100 'Currently %s comments are waiting for approval. Please visit the moderation panel:', $comments_waiting), number_format_i18n($comments_waiting) ) . "\r\n"; 1101 $notify_message .= admin_url("edit-comments.php?comment_status=moderated") . "\r\n"; 1102 1103 $subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), get_option('blogname'), $post->post_title ); 1104 $admin_email = get_option('admin_email'); 1105 $message_headers = ''; 1106 1107 $notify_message = apply_filters('comment_moderation_text', $notify_message, $comment_id); 1108 $subject = apply_filters('comment_moderation_subject', $subject, $comment_id); 1109 $message_headers = apply_filters('comment_moderation_headers', $message_headers); 1110 1111 @wp_mail($admin_email, $subject, $notify_message, $message_headers); 1112 1113 return true; 1114 } 1115 endif; 1116 1117 if ( !function_exists('wp_password_change_notification') ) : 1118 /** 1119 * Notify the blog admin of a user changing password, normally via email. 1120 * 1121 * @since 2.7 1122 * 1123 * @param object $user User Object 1124 */ 1125 function wp_password_change_notification(&$user) { 1126 // send a copy of password change notification to the admin 1127 // but check to see if it's the admin whose password we're changing, and skip this 1128 if ( $user->user_email != get_option('admin_email') ) { 1129 $message = sprintf(__('Password Lost and Changed for user: %s'), $user->user_login) . "\r\n"; 1130 wp_mail(get_option('admin_email'), sprintf(__('[%s] Password Lost/Changed'), get_option('blogname')), $message); 1131 } 1132 } 1133 endif; 1134 1135 if ( !function_exists('wp_new_user_notification') ) : 1136 /** 1137 * Notify the blog admin of a new user, normally via email. 1138 * 1139 * @since 2.0 1140 * 1141 * @param int $user_id User ID 1142 * @param string $plaintext_pass Optional. The user's plaintext password 1143 */ 1144 function wp_new_user_notification($user_id, $plaintext_pass = '') { 1145 $user = new WP_User($user_id); 1146 1147 $user_login = stripslashes($user->user_login); 1148 $user_email = stripslashes($user->user_email); 1149 1150 $message = sprintf(__('New user registration on your blog %s:'), get_option('blogname')) . "\r\n\r\n"; 1151 $message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n"; 1152 $message .= sprintf(__('E-mail: %s'), $user_email) . "\r\n"; 1153 1154 @wp_mail(get_option('admin_email'), sprintf(__('[%s] New User Registration'), get_option('blogname')), $message); 1155 1156 if ( empty($plaintext_pass) ) 1157 return; 1158 1159 $message = sprintf(__('Username: %s'), $user_login) . "\r\n"; 1160 $message .= sprintf(__('Password: %s'), $plaintext_pass) . "\r\n"; 1161 $message .= wp_login_url() . "\r\n"; 1162 1163 wp_mail($user_email, sprintf(__('[%s] Your username and password'), get_option('blogname')), $message); 1164 1165 } 1166 endif; 1167 1168 if ( !function_exists('wp_nonce_tick') ) : 1169 /** 1170 * Get the time-dependent variable for nonce creation. 1171 * 1172 * A nonce has a lifespan of two ticks. Nonces in their second tick may be 1173 * updated, e.g. by autosave. 1174 * 1175 * @since 2.5 1176 * 1177 * @return int 1178 */ 1179 function wp_nonce_tick() { 1180 $nonce_life = apply_filters('nonce_life', 86400); 1181 1182 return ceil(time() / ( $nonce_life / 2 )); 1183 } 1184 endif; 1185 1186 if ( !function_exists('wp_verify_nonce') ) : 1187 /** 1188 * Verify that correct nonce was used with time limit. 1189 * 1190 * The user is given an amount of time to use the token, so therefore, since the 1191 * UID and $action remain the same, the independent variable is the time. 1192 * 1193 * @since 2.0.3 1194 * 1195 * @param string $nonce Nonce that was used in the form to verify 1196 * @param string|int $action Should give context to what is taking place and be the same when nonce was created. 1197 * @return bool Whether the nonce check passed or failed. 1198 */ 1199 function wp_verify_nonce($nonce, $action = -1) { 1200 $user = wp_get_current_user(); 1201 $uid = (int) $user->id; 1202 1203 $i = wp_nonce_tick(); 1204 1205 // Nonce generated 0-12 hours ago 1206 if ( substr(wp_hash($i . $action . $uid, 'nonce'), -12, 10) == $nonce ) 1207 return 1; 1208 // Nonce generated 12-24 hours ago 1209 if ( substr(wp_hash(($i - 1) . $action . $uid, 'nonce'), -12, 10) == $nonce ) 1210 return 2; 1211 // Invalid nonce 1212 return false; 1213 } 1214 endif; 1215 1216 if ( !function_exists('wp_create_nonce') ) : 1217 /** 1218 * Creates a random, one time use token. 1219 * 1220 * @since 2.0.3 1221 * 1222 * @param string|int $action Scalar value to add context to the nonce. 1223 * @return string The one use form token 1224 */ 1225 function wp_create_nonce($action = -1) { 1226 $user = wp_get_current_user(); 1227 $uid = (int) $user->id; 1228 1229 $i = wp_nonce_tick(); 1230 1231 return substr(wp_hash($i . $action . $uid, 'nonce'), -12, 10); 1232 } 1233 endif; 1234 1235 if ( !function_exists('wp_salt') ) : 1236 /** 1237 * Get salt to add to hashes to help prevent attacks. 1238 * 1239 * The secret key is located in two places: the database in case the secret key 1240 * isn't defined in the second place, which is in the wp-config.php file. If you 1241 * are going to set the secret key, then you must do so in the wp-config.php 1242 * file. 1243 * 1244 * The secret key in the database is randomly generated and will be appended to 1245 * the secret key that is in wp-config.php file in some instances. It is 1246 * important to have the secret key defined or changed in wp-config.php. 1247 * 1248 * If you have installed WordPress 2.5 or later, then you will have the 1249 * SECRET_KEY defined in the wp-config.php already. You will want to change the 1250 * value in it because hackers will know what it is. If you have upgraded to 1251 * WordPress 2.5 or later version from a version before WordPress 2.5, then you 1252 * should add the constant to your wp-config.php file. 1253 * 1254 * Below is an example of how the SECRET_KEY constant is defined with a value. 1255 * You must not copy the below example and paste into your wp-config.php. If you 1256 * need an example, then you can have a 1257 * {@link https://api.wordpress.org/secret-key/1.1/ secret key created} for you. 1258 * 1259 * <code> 1260 * define('SECRET_KEY', 'mAry1HadA15|\/|b17w55w1t3asSn09w'); 1261 * </code> 1262 * 1263 * Salting passwords helps against tools which has stored hashed values of 1264 * common dictionary strings. The added values makes it harder to crack if given 1265 * salt string is not weak. 1266 * 1267 * @since 2.5 1268 * @link https://api.wordpress.org/secret-key/1.1/ Create a Secret Key for wp-config.php 1269 * 1270 * @return string Salt value from either 'SECRET_KEY' or 'secret' option 1271 */ 1272 function wp_salt($scheme = 'auth') { 1273 global $wp_default_secret_key; 1274 $secret_key = ''; 1275 if ( defined('SECRET_KEY') && ('' != SECRET_KEY) && ( $wp_default_secret_key != SECRET_KEY) ) 1276 $secret_key = SECRET_KEY; 1277 1278 if ( 'auth' == $scheme ) { 1279 if ( defined('AUTH_KEY') && ('' != AUTH_KEY) && ( $wp_default_secret_key != AUTH_KEY) ) 1280 $secret_key = AUTH_KEY; 1281 1282 if ( defined('AUTH_SALT') ) { 1283 $salt = AUTH_SALT; 1284 } elseif ( defined('SECRET_SALT') ) { 1285 $salt = SECRET_SALT; 1286 } else { 1287 $salt = get_option('auth_salt'); 1288 if ( empty($salt) ) { 1289 $salt = wp_generate_password(64); 1290 update_option('auth_salt', $salt); 1291 } 1292 } 1293 } elseif ( 'secure_auth' == $scheme ) { 1294 if ( defined('SECURE_AUTH_KEY') && ('' != SECURE_AUTH_KEY) && ( $wp_default_secret_key != SECURE_AUTH_KEY) ) 1295 $secret_key = SECURE_AUTH_KEY; 1296 1297 if ( defined('SECURE_AUTH_SALT') ) { 1298 $salt = SECURE_AUTH_SALT; 1299 } else { 1300 $salt = get_option('secure_auth_salt'); 1301 if ( empty($salt) ) { 1302 $salt = wp_generate_password(64); 1303 update_option('secure_auth_salt', $salt); 1304 } 1305 } 1306 } elseif ( 'logged_in' == $scheme ) { 1307 if ( defined('LOGGED_IN_KEY') && ('' != LOGGED_IN_KEY) && ( $wp_default_secret_key != LOGGED_IN_KEY) ) 1308 $secret_key = LOGGED_IN_KEY; 1309 1310 if ( defined('LOGGED_IN_SALT') ) { 1311 $salt = LOGGED_IN_SALT; 1312 } else { 1313 $salt = get_option('logged_in_salt'); 1314 if ( empty($salt) ) { 1315 $salt = wp_generate_password(64); 1316 update_option('logged_in_salt', $salt); 1317 } 1318 } 1319 } elseif ( 'nonce' == $scheme ) { 1320 if ( defined('NONCE_KEY') && ('' != NONCE_KEY) && ( $wp_default_secret_key != NONCE_KEY) ) 1321 $secret_key = NONCE_KEY; 1322 1323 if ( defined('NONCE_SALT') ) { 1324 $salt = NONCE_SALT; 1325 } else { 1326 $salt = get_option('nonce_salt'); 1327 if ( empty($salt) ) { 1328 $salt = wp_generate_password(64); 1329 update_option('nonce_salt', $salt); 1330 } 1331 } 1332 } else { 1333 // ensure each auth scheme has its own unique salt 1334 $salt = hash_hmac('md5', $scheme, $secret_key); 1335 } 1336 1337 return apply_filters('salt', $secret_key . $salt, $scheme); 1338 } 1339 endif; 1340 1341 if ( !function_exists('wp_hash') ) : 1342 /** 1343 * Get hash of given string. 1344 * 1345 * @since 2.0.3 1346 * @uses wp_salt() Get WordPress salt 1347 * 1348 * @param string $data Plain text to hash 1349 * @return string Hash of $data 1350 */ 1351 function wp_hash($data, $scheme = 'auth') { 1352 $salt = wp_salt($scheme); 1353 1354 return hash_hmac('md5', $data, $salt); 1355 } 1356 endif; 1357 1358 if ( !function_exists('wp_hash_password') ) : 1359 /** 1360 * Create a hash (encrypt) of a plain text password. 1361 * 1362 * For integration with other applications, this function can be overwritten to 1363 * instead use the other package password checking algorithm. 1364 * 1365 * @since 2.5 1366 * @global object $wp_hasher PHPass object 1367 * @uses PasswordHash::HashPassword 1368 * 1369 * @param string $password Plain text user password to hash 1370 * @return string The hash string of the password 1371 */ 1372 function wp_hash_password($password) { 1373 global $wp_hasher; 1374 1375 if ( empty($wp_hasher) ) { 1376 require_once ( ABSPATH . 'wp-includes/class-phpass.php'); 1377 // By default, use the portable hash from phpass 1378 $wp_hasher = new PasswordHash(8, TRUE); 1379 } 1380 1381 return $wp_hasher->HashPassword($password); 1382 } 1383 endif; 1384 1385 if ( !function_exists('wp_check_password') ) : 1386 /** 1387 * Checks the plaintext password against the encrypted Password. 1388 * 1389 * Maintains compatibility between old version and the new cookie authentication 1390 * protocol using PHPass library. The $hash parameter is the encrypted password 1391 * and the function compares the plain text password when encypted similarly 1392 * against the already encrypted password to see if they match. 1393 * 1394 * For integration with other applications, this function can be overwritten to 1395 * instead use the other package password checking algorithm. 1396 * 1397 * @since 2.5 1398 * @global object $wp_hasher PHPass object used for checking the password 1399 * against the $hash + $password 1400 * @uses PasswordHash::CheckPassword 1401 * 1402 * @param string $password Plaintext user's password 1403 * @param string $hash Hash of the user's password to check against. 1404 * @return bool False, if the $password does not match the hashed password 1405 */ 1406 function wp_check_password($password, $hash, $user_id = '') { 1407 global $wp_hasher; 1408 1409 // If the hash is still md5... 1410 if ( strlen($hash) <= 32 ) { 1411 $check = ( $hash == md5($password) ); 1412 if ( $check && $user_id ) { 1413 // Rehash using new hash. 1414 wp_set_password($password, $user_id); 1415 $hash = wp_hash_password($password); 1416 } 1417 1418 return apply_filters('check_password', $check, $password, $hash, $user_id); 1419 } 1420 1421 // If the stored hash is longer than an MD5, presume the 1422 // new style phpass portable hash. 1423 if ( empty($wp_hasher) ) { 1424 require_once ( ABSPATH . 'wp-includes/class-phpass.php'); 1425 // By default, use the portable hash from phpass 1426 $wp_hasher = new PasswordHash(8, TRUE); 1427 } 1428 1429 $check = $wp_hasher->CheckPassword($password, $hash); 1430 1431 return apply_filters('check_password', $check, $password, $hash, $user_id); 1432 } 1433 endif; 1434 1435 if ( !function_exists('wp_generate_password') ) : 1436 /** 1437 * Generates a random password drawn from the defined set of characters. 1438 * 1439 * @since 2.5 1440 * 1441 * @param int $length The length of password to generate 1442 * @param bool $special_chars Whether to include standard special characters 1443 * @return string The random password 1444 **/ 1445 function wp_generate_password($length = 12, $special_chars = true) { 1446 $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; 1447 if ( $special_chars ) 1448 $chars .= '!@#$%^&*()'; 1449 1450 $password = ''; 1451 for ( $i = 0; $i < $length; $i++ ) 1452 $password .= substr($chars, wp_rand(0, strlen($chars) - 1), 1); 1453 return $password; 1454 } 1455 endif; 1456 1457 if ( !function_exists('wp_rand') ) : 1458 /** 1459 * Generates a random number 1460 * 1461 * @since 2.6.2 1462 * 1463 * @param int $min Lower limit for the generated number (optional, default is 0) 1464 * @param int $max Upper limit for the generated number (optional, default is 4294967295) 1465 * @return int A random number between min and max 1466 */ 1467 function wp_rand( $min = 0, $max = 0 ) { 1468 global $rnd_value; 1469 1470 $seed = get_transient('random_seed'); 1471 1472 // Reset $rnd_value after 14 uses 1473 // 32(md5) + 40(sha1) + 40(sha1) / 8 = 14 random numbers from $rnd_value 1474 if ( strlen($rnd_value) < 8 ) { 1475 $rnd_value = md5( uniqid(microtime() . mt_rand(), true ) . $seed ); 1476 $rnd_value .= sha1($rnd_value); 1477 $rnd_value .= sha1($rnd_value . $seed); 1478 $seed = md5($seed . $rnd_value); 1479 set_transient('random_seed', $seed); 1480 } 1481 1482 // Take the first 8 digits for our value 1483 $value = substr($rnd_value, 0, 8); 1484 1485 // Strip the first eight, leaving the remainder for the next call to wp_rand(). 1486 $rnd_value = substr($rnd_value, 8); 1487 1488 $value = abs(hexdec($value)); 1489 1490 // Reduce the value to be within the min - max range 1491 // 4294967295 = 0xffffffff = max random number 1492 if ( $max != 0 ) 1493 $value = $min + (($max - $min + 1) * ($value / (4294967295 + 1))); 1494 1495 return abs(intval($value)); 1496 } 1497 endif; 1498 1499 if ( !function_exists('wp_set_password') ) : 1500 /** 1501 * Updates the user's password with a new encrypted one. 1502 * 1503 * For integration with other applications, this function can be overwritten to 1504 * instead use the other package password checking algorithm. 1505 * 1506 * @since 2.5 1507 * @uses $wpdb WordPress database object for queries 1508 * @uses wp_hash_password() Used to encrypt the user's password before passing to the database 1509 * 1510 * @param string $password The plaintext new user password 1511 * @param int $user_id User ID 1512 */ 1513 function wp_set_password( $password, $user_id ) { 1514 global $wpdb; 1515 1516 $hash = wp_hash_password($password); 1517 $wpdb->update($wpdb->users, array('user_pass' => $hash, 'user_activation_key' => ''), array('ID' => $user_id) ); 1518 1519 wp_cache_delete($user_id, 'users'); 1520 } 1521 endif; 1522 1523 if ( !function_exists( 'get_avatar' ) ) : 1524 /** 1525 * Retrieve the avatar for a user who provided a user ID or email address. 1526 * 1527 * @since 2.5 1528 * @param int|string|object $id_or_email A user ID, email address, or comment object 1529 * @param int $size Size of the avatar image 1530 * @param string $default URL to a default image to use if no avatar is available 1531 * @param string $alt Alternate text to use in image tag. Defaults to blank 1532 * @return string <img> tag for the user's avatar 1533 */ 1534 function get_avatar( $id_or_email, $size = '96', $default = '', $alt = false ) { 1535 if ( ! get_option('show_avatars') ) 1536 return false; 1537 1538 if ( false === $alt) 1539 $safe_alt = ''; 1540 else 1541 $safe_alt = esc_attr( $alt ); 1542 1543 if ( !is_numeric($size) ) 1544 $size = '96'; 1545 1546 $email = ''; 1547 if ( is_numeric($id_or_email) ) { 1548 $id = (int) $id_or_email; 1549 $user = get_userdata($id); 1550 if ( $user ) 1551 $email = $user->user_email; 1552 } elseif ( is_object($id_or_email) ) { 1553 if ( isset($id_or_email->comment_type) && '' != $id_or_email->comment_type && 'comment' != $id_or_email->comment_type ) 1554 return false; // No avatar for pingbacks or trackbacks 1555 1556 if ( !empty($id_or_email->user_id) ) { 1557 $id = (int) $id_or_email->user_id; 1558 $user = get_userdata($id); 1559 if ( $user) 1560 $email = $user->user_email; 1561 } elseif ( !empty($id_or_email->comment_author_email) ) { 1562 $email = $id_or_email->comment_author_email; 1563 } 1564 } else { 1565 $email = $id_or_email; 1566 } 1567 1568 if ( empty($default) ) { 1569 $avatar_default = get_option('avatar_default'); 1570 if ( empty($avatar_default) ) 1571 $default = 'mystery'; 1572 else 1573 $default = $avatar_default; 1574 } 1575 1576 if ( is_ssl() ) 1577 $host = 'https://secure.gravatar.com'; 1578 else 1579 $host = 'http://www.gravatar.com'; 1580 1581 if ( 'mystery' == $default ) 1582 $default = "$host/avatar/ad516503a11cd5ca435acc9bb6523536?s={$size}"; // ad516503a11cd5ca435acc9bb6523536 == md5('unknown@gravatar.com') 1583 elseif ( 'blank' == $default ) 1584 $default = includes_url('images/blank.gif'); 1585 elseif ( !empty($email) && 'gravatar_default' == $default ) 1586 $default = ''; 1587 elseif ( 'gravatar_default' == $default ) 1588 $default = "$host/avatar/s={$size}"; 1589 elseif ( empty($email) ) 1590 $default = "$host/avatar/?d=$default&s={$size}"; 1591 elseif ( strpos($default, 'http://') === 0 ) 1592 $default = add_query_arg( 's', $size, $default ); 1593 1594 if ( !empty($email) ) { 1595 $out = "$host/avatar/"; 1596 $out .= md5( strtolower( $email ) ); 1597 $out .= '?s='.$size; 1598 $out .= '&d=' . urlencode( $default ); 1599 1600 $rating = get_option('avatar_rating'); 1601 if ( !empty( $rating ) ) 1602 $out .= "&r={$rating}"; 1603 1604 $avatar = "<img alt='{$safe_alt}' src='{$out}' class='avatar avatar-{$size} photo' height='{$size}' width='{$size}' />"; 1605 } else { 1606 $avatar = "<img alt='{$safe_alt}' src='{$default}' class='avatar avatar-{$size} photo avatar-default' height='{$size}' width='{$size}' />"; 1607 } 1608 1609 return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default, $alt); 1610 } 1611 endif; 1612 1613 if ( !function_exists('wp_setcookie') ) : 1614 /** 1615 * Sets a cookie for a user who just logged in. 1616 * 1617 * @since 1.5 1618 * @deprecated Use wp_set_auth_cookie() 1619 * @see wp_set_auth_cookie() 1620 * 1621 * @param string $username The user's username 1622 * @param string $password Optional. The user's password 1623 * @param bool $already_md5 Optional. Whether the password has already been through MD5 1624 * @param string $home Optional. Will be used instead of COOKIEPATH if set 1625 * @param string $siteurl Optional. Will be used instead of SITECOOKIEPATH if set 1626 * @param bool $remember Optional. Remember that the user is logged in 1627 */ 1628 function wp_setcookie($username, $password = '', $already_md5 = false, $home = '', $siteurl = '', $remember = false) { 1629 _deprecated_function( __FUNCTION__, '2.5', 'wp_set_auth_cookie()' ); 1630 $user = get_userdatabylogin($username); 1631 wp_set_auth_cookie($user->ID, $remember); 1632 } 1633 endif; 1634 1635 if ( !function_exists('wp_clearcookie') ) : 1636 /** 1637 * Clears the authentication cookie, logging the user out. 1638 * 1639 * @since 1.5 1640 * @deprecated Use wp_clear_auth_cookie() 1641 * @see wp_clear_auth_cookie() 1642 */ 1643 function wp_clearcookie() { 1644 _deprecated_function( __FUNCTION__, '2.5', 'wp_clear_auth_cookie()' ); 1645 wp_clear_auth_cookie(); 1646 } 1647 endif; 1648 1649 if ( !function_exists('wp_get_cookie_login') ): 1650 /** 1651 * Gets the user cookie login. 1652 * 1653 * This function is deprecated and should no longer be extended as it won't be 1654 * used anywhere in WordPress. Also, plugins shouldn't use it either. 1655 * 1656 * @since 2.0.3 1657 * @deprecated No alternative 1658 * 1659 * @return bool Always returns false 1660 */ 1661 function wp_get_cookie_login() { 1662 _deprecated_function( __FUNCTION__, '2.5', '' ); 1663 return false; 1664 } 1665 endif; 1666 1667 if ( !function_exists('wp_login') ) : 1668 /** 1669 * Checks a users login information and logs them in if it checks out. 1670 * 1671 * Use the global $error to get the reason why the login failed. If the username 1672 * is blank, no error will be set, so assume blank username on that case. 1673 * 1674 * Plugins extending this function should also provide the global $error and set 1675 * what the error is, so that those checking the global for why there was a 1676 * failure can utilize it later. 1677 * 1678 * @since 1.2.2 1679 * @deprecated Use wp_signon() 1680 * @global string $error Error when false is returned 1681 * 1682 * @param string $username User's username 1683 * @param string $password User's password 1684 * @param bool $deprecated Not used 1685 * @return bool False on login failure, true on successful check 1686 */ 1687 function wp_login($username, $password, $deprecated = '') { 1688 global $error; 1689 1690 $user = wp_authenticate($username, $password); 1691 1692 if ( ! is_wp_error($user) ) 1693 return true; 1694 1695 $error = $user->get_error_message(); 1696 return false; 1697 } 1698 endif; 1699 1700 if ( !function_exists( 'wp_text_diff' ) ) : 1701 /** 1702 * Displays a human readable HTML representation of the difference between two strings. 1703 * 1704 * The Diff is available for getting the changes between versions. The output is 1705 * HTML, so the primary use is for displaying the changes. If the two strings 1706 * are equivalent, then an empty string will be returned. 1707 * 1708 * The arguments supported and can be changed are listed below. 1709 * 1710 * 'title' : Default is an empty string. Titles the diff in a manner compatible 1711 * with the output. 1712 * 'title_left' : Default is an empty string. Change the HTML to the left of the 1713 * title. 1714 * 'title_right' : Default is an empty string. Change the HTML to the right of 1715 * the title. 1716 * 1717 * @since 2.6 1718 * @see wp_parse_args() Used to change defaults to user defined settings. 1719 * @uses Text_Diff 1720 * @uses WP_Text_Diff_Renderer_Table 1721 * 1722 * @param string $left_string "old" (left) version of string 1723 * @param string $right_string "new" (right) version of string 1724 * @param string|array $args Optional. Change 'title', 'title_left', and 'title_right' defaults. 1725 * @return string Empty string if strings are equivalent or HTML with differences. 1726 */ 1727 function wp_text_diff( $left_string, $right_string, $args = null ) { 1728 $defaults = array( 'title' => '', 'title_left' => '', 'title_right' => '' ); 1729 $args = wp_parse_args( $args, $defaults ); 1730 1731 if ( !class_exists( 'WP_Text_Diff_Renderer_Table' ) ) 1732 require ( ABSPATH . WPINC . '/wp-diff.php' ); 1733 1734 $left_string = normalize_whitespace($left_string); 1735 $right_string = normalize_whitespace($right_string); 1736 1737 $left_lines = split("\n", $left_string); 1738 $right_lines = split("\n", $right_string); 1739 1740 $text_diff = new Text_Diff($left_lines, $right_lines); 1741 $renderer = new WP_Text_Diff_Renderer_Table(); 1742 $diff = $renderer->render($text_diff); 1743 1744 if ( !$diff ) 1745 return ''; 1746 1747 $r = "<table class='diff'>\n"; 1748 $r .= "<col class='ltype' /><col class='content' /><col class='ltype' /><col class='content' />"; 1749 1750 if ( $args['title'] || $args['title_left'] || $args['title_right'] ) 1751 $r .= "<thead>"; 1752 if ( $args['title'] ) 1753 $r .= "<tr class='diff-title'><th colspan='4'>$args[title]</th></tr>\n"; 1754 if ( $args['title_left'] || $args['title_right'] ) { 1755 $r .= "<tr class='diff-sub-title'>\n"; 1756 $r .= "\t<td></td><th>$args[title_left]</th>\n"; 1757 $r .= "\t<td></td><th>$args[title_right]</th>\n"; 1758 $r .= "</tr>\n"; 1759 } 1760 if ( $args['title'] || $args['title_left'] || $args['title_right'] ) 1761 $r .= "</thead>\n"; 1762 1763 $r .= "<tbody>\n$diff\n</tbody>\n"; 1764 $r .= "</table>"; 1765 1766 return $r; 1767 } 1768 endif; 1769 1770 ?>
title
Description
Body
title
Description
Body
title
Description
Body
title
Body
| [ Powered by PHPXref - Served by Debian GNU/Linux ] |