WordPress PHP Cross Reference Blogging Systems

Source: /wp-login.php - 991 lines - 34057 bytes - Summary - Text - Print

Description: WordPress User Page Handles authentication, registering, resetting passwords, forgot password, and other user handling.

   1  <?php
   2  /**
   3   * WordPress User Page
   4   *
   5   * Handles authentication, registering, resetting passwords, forgot password,
   6   * and other user handling.
   7   *
   8   * @package WordPress
   9   */
  10  
  11  /** Make sure that the WordPress bootstrap has run before continuing. */
  12  require( dirname(__FILE__) . '/wp-load.php' );
  13  
  14  // Redirect to https login if forced to use SSL
  15  if ( force_ssl_admin() && ! is_ssl() ) {
  16      if ( 0 === strpos($_SERVER['REQUEST_URI'], 'http') ) {
  17          wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
  18          exit();
  19      } else {
  20          wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
  21          exit();
  22      }
  23  }
  24  
  25  /**
  26   * Output the login page header.
  27   *
  28   * @param string   $title    Optional. WordPress login Page title to display in the `<title>` element.
  29   *                           Default 'Log In'.
  30   * @param string   $message  Optional. Message to display in header. Default empty.
  31   * @param WP_Error $wp_error Optional. The error to pass. Default empty.
  32   */
  33  function login_header( $title = 'Log In', $message = '', $wp_error = '' ) {
  34      global $error, $interim_login, $action;
  35  
  36      // Don't index any of these forms
  37      add_action( 'login_head', 'wp_no_robots' );
  38  
  39      if ( wp_is_mobile() )
  40          add_action( 'login_head', 'wp_login_viewport_meta' );
  41  
  42      if ( empty($wp_error) )
  43          $wp_error = new WP_Error();
  44  
  45      // Shake it!
  46      $shake_error_codes = array( 'empty_password', 'empty_email', 'invalid_email', 'invalidcombo', 'empty_username', 'invalid_username', 'incorrect_password' );
  47      /**
  48       * Filters the error codes array for shaking the login form.
  49       *
  50       * @since 3.0.0
  51       *
  52       * @param array $shake_error_codes Error codes that shake the login form.
  53       */
  54      $shake_error_codes = apply_filters( 'shake_error_codes', $shake_error_codes );
  55  
  56      if ( $shake_error_codes && $wp_error->get_error_code() && in_array( $wp_error->get_error_code(), $shake_error_codes ) )
  57          add_action( 'login_head', 'wp_shake_js', 12 );
  58  
  59      $separator = is_rtl() ? ' &rsaquo; ' : ' &lsaquo; ';
  60  
  61      ?><!DOCTYPE html>
  62      <!--[if IE 8]>
  63          <html xmlns="http://www.w3.org/1999/xhtml" class="ie8" <?php language_attributes(); ?>>
  64      <![endif]-->
  65      <!--[if !(IE 8) ]><!-->
  66          <html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
  67      <!--<![endif]-->
  68      <head>
  69      <meta http-equiv="Content-Type" content="<?php bloginfo('html_type'); ?>; charset=<?php bloginfo('charset'); ?>" />
  70      <title><?php echo get_bloginfo( 'name', 'display' ) . $separator . $title; ?></title>
  71      <?php
  72  
  73      wp_enqueue_style( 'login' );
  74  
  75      /*
  76       * Remove all stored post data on logging out.
  77       * This could be added by add_action('login_head'...) like wp_shake_js(),
  78       * but maybe better if it's not removable by plugins
  79       */
  80      if ( 'loggedout' == $wp_error->get_error_code() ) {
  81          ?>
  82          <script>if("sessionStorage" in window){try{for(var key in sessionStorage){if(key.indexOf("wp-autosave-")!=-1){sessionStorage.removeItem(key)}}}catch(e){}};</script>
  83          <?php
  84      }
  85  
  86      /**
  87       * Enqueue scripts and styles for the login page.
  88       *
  89       * @since 3.1.0
  90       */
  91      do_action( 'login_enqueue_scripts' );
  92  
  93      /**
  94       * Fires in the login page header after scripts are enqueued.
  95       *
  96       * @since 2.1.0
  97       */
  98      do_action( 'login_head' );
  99  
 100      if ( is_multisite() ) {
 101          $login_header_url   = network_home_url();
 102          $login_header_title = get_current_site()->site_name;
 103      } else {
 104          $login_header_url   = __( 'https://wordpress.org/' );
 105          $login_header_title = __( 'Powered by WordPress' );
 106      }
 107  
 108      /**
 109       * Filters link URL of the header logo above login form.
 110       *
 111       * @since 2.1.0
 112       *
 113       * @param string $login_header_url Login header logo URL.
 114       */
 115      $login_header_url = apply_filters( 'login_headerurl', $login_header_url );
 116  
 117      /**
 118       * Filters the title attribute of the header logo above login form.
 119       *
 120       * @since 2.1.0
 121       *
 122       * @param string $login_header_title Login header logo title attribute.
 123       */
 124      $login_header_title = apply_filters( 'login_headertitle', $login_header_title );
 125  
 126      $classes = array( 'login-action-' . $action, 'wp-core-ui' );
 127      if ( wp_is_mobile() )
 128          $classes[] = 'mobile';
 129      if ( is_rtl() )
 130          $classes[] = 'rtl';
 131      if ( $interim_login ) {
 132          $classes[] = 'interim-login';
 133          ?>
 134          <style type="text/css">html{background-color: transparent;}</style>
 135          <?php
 136  
 137          if ( 'success' ===  $interim_login )
 138              $classes[] = 'interim-login-success';
 139      }
 140      $classes[] =' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_locale() ) ) );
 141  
 142      /**
 143       * Filters the login page body classes.
 144       *
 145       * @since 3.5.0
 146       *
 147       * @param array  $classes An array of body classes.
 148       * @param string $action  The action that brought the visitor to the login page.
 149       */
 150      $classes = apply_filters( 'login_body_class', $classes, $action );
 151  
 152      ?>
 153      </head>
 154      <body class="login <?php echo esc_attr( implode( ' ', $classes ) ); ?>">
 155      <?php
 156      /**
 157       * Fires in the login page header after the body tag is opened.
 158       *
 159       * @since 4.6.0
 160       */
 161      do_action( 'login_header' );
 162      ?>
 163      <div id="login">
 164          <h1><a href="<?php echo esc_url( $login_header_url ); ?>" title="<?php echo esc_attr( $login_header_title ); ?>" tabindex="-1"><?php bloginfo( 'name' ); ?></a></h1>
 165      <?php
 166  
 167      unset( $login_header_url, $login_header_title );
 168  
 169      /**
 170       * Filters the message to display above the login form.
 171       *
 172       * @since 2.1.0
 173       *
 174       * @param string $message Login message text.
 175       */
 176      $message = apply_filters( 'login_message', $message );
 177      if ( !empty( $message ) )
 178          echo $message . "\n";
 179  
 180      // In case a plugin uses $error rather than the $wp_errors object
 181      if ( !empty( $error ) ) {
 182          $wp_error->add('error', $error);
 183          unset($error);
 184      }
 185  
 186      if ( $wp_error->get_error_code() ) {
 187          $errors = '';
 188          $messages = '';
 189          foreach ( $wp_error->get_error_codes() as $code ) {
 190              $severity = $wp_error->get_error_data( $code );
 191              foreach ( $wp_error->get_error_messages( $code ) as $error_message ) {
 192                  if ( 'message' == $severity )
 193                      $messages .= '    ' . $error_message . "<br />\n";
 194                  else
 195                      $errors .= '    ' . $error_message . "<br />\n";
 196              }
 197          }
 198          if ( ! empty( $errors ) ) {
 199              /**
 200               * Filters the error messages displayed above the login form.
 201               *
 202               * @since 2.1.0
 203               *
 204               * @param string $errors Login error message.
 205               */
 206              echo '<div id="login_error">' . apply_filters( 'login_errors', $errors ) . "</div>\n";
 207          }
 208          if ( ! empty( $messages ) ) {
 209              /**
 210               * Filters instructional messages displayed above the login form.
 211               *
 212               * @since 2.5.0
 213               *
 214               * @param string $messages Login messages.
 215               */
 216              echo '<p class="message">' . apply_filters( 'login_messages', $messages ) . "</p>\n";
 217          }
 218      }
 219  } // End of login_header()
 220  
 221  /**
 222   * Outputs the footer for the login page.
 223   *
 224   * @param string $input_id Which input to auto-focus
 225   */
 226  function login_footer($input_id = '') {
 227      global $interim_login;
 228  
 229      // Don't allow interim logins to navigate away from the page.
 230      if ( ! $interim_login ): ?>
 231      <p id="backtoblog"><a href="<?php echo esc_url( home_url( '/' ) ); ?>"><?php
 232          /* translators: %s: site title */
 233          printf( _x( '&larr; Back to %s', 'site' ), get_bloginfo( 'title', 'display' ) );
 234      ?></a></p>
 235      <?php endif; ?>
 236  
 237      </div>
 238  
 239      <?php if ( !empty($input_id) ) : ?>
 240      <script type="text/javascript">
 241      try{document.getElementById('<?php echo $input_id; ?>').focus();}catch(e){}
 242      if(typeof wpOnload=='function')wpOnload();
 243      </script>
 244      <?php endif; ?>
 245  
 246      <?php
 247      /**
 248       * Fires in the login page footer.
 249       *
 250       * @since 3.1.0
 251       */
 252      do_action( 'login_footer' ); ?>
 253      <div class="clear"></div>
 254      </body>
 255      </html>
 256      <?php
 257  }
 258  
 259  /**
 260   * @since 3.0.0
 261   */
 262  function wp_shake_js() {
 263      if ( wp_is_mobile() )
 264          return;
 265  ?>
 266  <script type="text/javascript">
 267  addLoadEvent = function(func){if(typeof jQuery!="undefined")jQuery(document).ready(func);else if(typeof wpOnload!='function'){wpOnload=func;}else{var oldonload=wpOnload;wpOnload=function(){oldonload();func();}}};
 268  function s(id,pos){g(id).left=pos+'px';}
 269  function g(id){return document.getElementById(id).style;}
 270  function shake(id,a,d){c=a.shift();s(id,c);if(a.length>0){setTimeout(function(){shake(id,a,d);},d);}else{try{g(id).position='static';wp_attempt_focus();}catch(e){}}}
 271  addLoadEvent(function(){ var p=new Array(15,30,15,0,-15,-30,-15,0);p=p.concat(p.concat(p));var i=document.forms[0].id;g(i).position='relative';shake(i,p,20);});
 272  </script>
 273  <?php
 274  }
 275  
 276  /**
 277   * @since 3.7.0
 278   */
 279  function wp_login_viewport_meta() {
 280      ?>
 281      <meta name="viewport" content="width=device-width" />
 282      <?php
 283  }
 284  
 285  /**
 286   * Handles sending password retrieval email to user.
 287   *
 288   * @global wpdb         $wpdb      WordPress database abstraction object.
 289   * @global PasswordHash $wp_hasher Portable PHP password hashing framework.
 290   *
 291   * @return bool|WP_Error True: when finish. WP_Error on error
 292   */
 293  function retrieve_password() {
 294      global $wpdb, $wp_hasher;
 295  
 296      $errors = new WP_Error();
 297  
 298      if ( empty( $_POST['user_login'] ) ) {
 299          $errors->add('empty_username', __('<strong>ERROR</strong>: Enter a username or email address.'));
 300      } elseif ( strpos( $_POST['user_login'], '@' ) ) {
 301          $user_data = get_user_by( 'email', trim( wp_unslash( $_POST['user_login'] ) ) );
 302          if ( empty( $user_data ) )
 303              $errors->add('invalid_email', __('<strong>ERROR</strong>: There is no user registered with that email address.'));
 304      } else {
 305          $login = trim($_POST['user_login']);
 306          $user_data = get_user_by('login', $login);
 307      }
 308  
 309      /**
 310       * Fires before errors are returned from a password reset request.
 311       *
 312       * @since 2.1.0
 313       * @since 4.4.0 Added the `$errors` parameter.
 314       *
 315       * @param WP_Error $errors A WP_Error object containing any errors generated
 316       *                         by using invalid credentials.
 317       */
 318      do_action( 'lostpassword_post', $errors );
 319  
 320      if ( $errors->get_error_code() )
 321          return $errors;
 322  
 323      if ( !$user_data ) {
 324          $errors->add('invalidcombo', __('<strong>ERROR</strong>: Invalid username or email.'));
 325          return $errors;
 326      }
 327  
 328      // Redefining user_login ensures we return the right case in the email.
 329      $user_login = $user_data->user_login;
 330      $user_email = $user_data->user_email;
 331      $key = get_password_reset_key( $user_data );
 332  
 333      if ( is_wp_error( $key ) ) {
 334          return $key;
 335      }
 336  
 337      $message = __('Someone has requested a password reset for the following account:') . "\r\n\r\n";
 338      $message .= network_home_url( '/' ) . "\r\n\r\n";
 339      $message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n";
 340      $message .= __('If this was a mistake, just ignore this email and nothing will happen.') . "\r\n\r\n";
 341      $message .= __('To reset your password, visit the following address:') . "\r\n\r\n";
 342      $message .= '<' . network_site_url("wp-login.php?action=rp&key=$key&login=" . rawurlencode($user_login), 'login') . ">\r\n";
 343  
 344      if ( is_multisite() )
 345          $blogname = $GLOBALS['current_site']->site_name;
 346      else
 347          /*
 348           * The blogname option is escaped with esc_html on the way into the database
 349           * in sanitize_option we want to reverse this for the plain text arena of emails.
 350           */
 351          $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
 352  
 353      $title = sprintf( __('[%s] Password Reset'), $blogname );
 354  
 355      /**
 356       * Filters the subject of the password reset email.
 357       *
 358       * @since 2.8.0
 359       * @since 4.4.0 Added the `$user_login` and `$user_data` parameters.
 360       *
 361       * @param string  $title      Default email title.
 362       * @param string  $user_login The username for the user.
 363       * @param WP_User $user_data  WP_User object.
 364       */
 365      $title = apply_filters( 'retrieve_password_title', $title, $user_login, $user_data );
 366  
 367      /**
 368       * Filters the message body of the password reset mail.
 369       *
 370       * @since 2.8.0
 371       * @since 4.1.0 Added `$user_login` and `$user_data` parameters.
 372       *
 373       * @param string  $message    Default mail message.
 374       * @param string  $key        The activation key.
 375       * @param string  $user_login The username for the user.
 376       * @param WP_User $user_data  WP_User object.
 377       */
 378      $message = apply_filters( 'retrieve_password_message', $message, $key, $user_login, $user_data );
 379  
 380      if ( $message && !wp_mail( $user_email, wp_specialchars_decode( $title ), $message ) )
 381          wp_die( __('The email could not be sent.') . "<br />\n" . __('Possible reason: your host may have disabled the mail() function.') );
 382  
 383      return true;
 384  }
 385  
 386  //
 387  // Main
 388  //
 389  
 390  $action = isset($_REQUEST['action']) ? $_REQUEST['action'] : 'login';
 391  $errors = new WP_Error();
 392  
 393  if ( isset($_GET['key']) )
 394      $action = 'resetpass';
 395  
 396  // validate action so as to default to the login screen
 397  if ( !in_array( $action, array( 'postpass', 'logout', 'lostpassword', 'retrievepassword', 'resetpass', 'rp', 'register', 'login' ), true ) && false === has_filter( 'login_form_' . $action ) )
 398      $action = 'login';
 399  
 400  nocache_headers();
 401  
 402  header('Content-Type: '.get_bloginfo('html_type').'; charset='.get_bloginfo('charset'));
 403  
 404  if ( defined( 'RELOCATE' ) && RELOCATE ) { // Move flag is set
 405      if ( isset( $_SERVER['PATH_INFO'] ) && ($_SERVER['PATH_INFO'] != $_SERVER['PHP_SELF']) )
 406          $_SERVER['PHP_SELF'] = str_replace( $_SERVER['PATH_INFO'], '', $_SERVER['PHP_SELF'] );
 407  
 408      $url = dirname( set_url_scheme( 'http://' .  $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'] ) );
 409      if ( $url != get_option( 'siteurl' ) )
 410          update_option( 'siteurl', $url );
 411  }
 412  
 413  //Set a cookie now to see if they are supported by the browser.
 414  $secure = ( 'https' === parse_url( wp_login_url(), PHP_URL_SCHEME ) );
 415  setcookie( TEST_COOKIE, 'WP Cookie check', 0, COOKIEPATH, COOKIE_DOMAIN, $secure );
 416  if ( SITECOOKIEPATH != COOKIEPATH )
 417      setcookie( TEST_COOKIE, 'WP Cookie check', 0, SITECOOKIEPATH, COOKIE_DOMAIN, $secure );
 418  
 419  /**
 420   * Fires when the login form is initialized.
 421   *
 422   * @since 3.2.0
 423   */
 424  do_action( 'login_init' );
 425  /**
 426   * Fires before a specified login form action.
 427   *
 428   * The dynamic portion of the hook name, `$action`, refers to the action
 429   * that brought the visitor to the login form. Actions include 'postpass',
 430   * 'logout', 'lostpassword', etc.
 431   *
 432   * @since 2.8.0
 433   */
 434  do_action( 'login_form_' . $action );
 435  
 436  $http_post = ('POST' == $_SERVER['REQUEST_METHOD']);
 437  $interim_login = isset($_REQUEST['interim-login']);
 438  
 439  switch ($action) {
 440  
 441  case 'postpass' :
 442      if ( ! array_key_exists( 'post_password', $_POST ) ) {
 443          wp_safe_redirect( wp_get_referer() );
 444          exit();
 445      }
 446  
 447      require_once  ABSPATH . WPINC . '/class-phpass.php';
 448      $hasher = new PasswordHash( 8, true );
 449  
 450      /**
 451       * Filters the life span of the post password cookie.
 452       *
 453       * By default, the cookie expires 10 days from creation. To turn this
 454       * into a session cookie, return 0.
 455       *
 456       * @since 3.7.0
 457       *
 458       * @param int $expires The expiry time, as passed to setcookie().
 459       */
 460      $expire = apply_filters( 'post_password_expires', time() + 10 * DAY_IN_SECONDS );
 461      $referer = wp_get_referer();
 462      if ( $referer ) {
 463          $secure = ( 'https' === parse_url( $referer, PHP_URL_SCHEME ) );
 464      } else {
 465          $secure = false;
 466      }
 467      setcookie( 'wp-postpass_' . COOKIEHASH, $hasher->HashPassword( wp_unslash( $_POST['post_password'] ) ), $expire, COOKIEPATH, COOKIE_DOMAIN, $secure );
 468  
 469      wp_safe_redirect( wp_get_referer() );
 470      exit();
 471  
 472  case 'logout' :
 473      check_admin_referer('log-out');
 474  
 475      $user = wp_get_current_user();
 476  
 477      wp_logout();
 478  
 479      if ( ! empty( $_REQUEST['redirect_to'] ) ) {
 480          $redirect_to = $requested_redirect_to = $_REQUEST['redirect_to'];
 481      } else {
 482          $redirect_to = 'wp-login.php?loggedout=true';
 483          $requested_redirect_to = '';
 484      }
 485  
 486      /**
 487       * Filters the log out redirect URL.
 488       *
 489       * @since 4.2.0
 490       *
 491       * @param string  $redirect_to           The redirect destination URL.
 492       * @param string  $requested_redirect_to The requested redirect destination URL passed as a parameter.
 493       * @param WP_User $user                  The WP_User object for the user that's logging out.
 494       */
 495      $redirect_to = apply_filters( 'logout_redirect', $redirect_to, $requested_redirect_to, $user );
 496      wp_safe_redirect( $redirect_to );
 497      exit();
 498  
 499  case 'lostpassword' :
 500  case 'retrievepassword' :
 501  
 502      if ( $http_post ) {
 503          $errors = retrieve_password();
 504          if ( !is_wp_error($errors) ) {
 505              $redirect_to = !empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : 'wp-login.php?checkemail=confirm';
 506              wp_safe_redirect( $redirect_to );
 507              exit();
 508          }
 509      }
 510  
 511      if ( isset( $_GET['error'] ) ) {
 512          if ( 'invalidkey' == $_GET['error'] ) {
 513              $errors->add( 'invalidkey', __( 'Your password reset link appears to be invalid. Please request a new link below.' ) );
 514          } elseif ( 'expiredkey' == $_GET['error'] ) {
 515              $errors->add( 'expiredkey', __( 'Your password reset link has expired. Please request a new link below.' ) );
 516          }
 517      }
 518  
 519      $lostpassword_redirect = ! empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
 520      /**
 521       * Filters the URL redirected to after submitting the lostpassword/retrievepassword form.
 522       *
 523       * @since 3.0.0
 524       *
 525       * @param string $lostpassword_redirect The redirect destination URL.
 526       */
 527      $redirect_to = apply_filters( 'lostpassword_redirect', $lostpassword_redirect );
 528  
 529      /**
 530       * Fires before the lost password form.
 531       *
 532       * @since 1.5.1
 533       */
 534      do_action( 'lost_password' );
 535  
 536      login_header(__('Lost Password'), '<p class="message">' . __('Please enter your username or email address. You will receive a link to create a new password via email.') . '</p>', $errors);
 537  
 538      $user_login = isset($_POST['user_login']) ? wp_unslash($_POST['user_login']) : '';
 539  
 540  ?>
 541  
 542  <form name="lostpasswordform" id="lostpasswordform" action="<?php echo esc_url( network_site_url( 'wp-login.php?action=lostpassword', 'login_post' ) ); ?>" method="post">
 543      <p>
 544          <label for="user_login" ><?php _e('Username or Email') ?><br />
 545          <input type="text" name="user_login" id="user_login" class="input" value="<?php echo esc_attr($user_login); ?>" size="20" /></label>
 546      </p>
 547      <?php
 548      /**
 549       * Fires inside the lostpassword form tags, before the hidden fields.
 550       *
 551       * @since 2.1.0
 552       */
 553      do_action( 'lostpassword_form' ); ?>
 554      <input type="hidden" name="redirect_to" value="<?php echo esc_attr( $redirect_to ); ?>" />
 555      <p class="submit"><input type="submit" name="wp-submit" id="wp-submit" class="button button-primary button-large" value="<?php esc_attr_e('Get New Password'); ?>" /></p>
 556  </form>
 557  
 558  <p id="nav">
 559  <a href="<?php echo esc_url( wp_login_url() ); ?>"><?php _e('Log in') ?></a>
 560  <?php
 561  if ( get_option( 'users_can_register' ) ) :
 562      $registration_url = sprintf( '<a href="%s">%s</a>', esc_url( wp_registration_url() ), __( 'Register' ) );
 563  
 564      /** This filter is documented in wp-includes/general-template.php */
 565      echo ' | ' . apply_filters( 'register', $registration_url );
 566  endif;
 567  ?>
 568  </p>
 569  
 570  <?php
 571  login_footer('user_login');
 572  break;
 573  
 574  case 'resetpass' :
 575  case 'rp' :
 576      list( $rp_path ) = explode( '?', wp_unslash( $_SERVER['REQUEST_URI'] ) );
 577      $rp_cookie = 'wp-resetpass-' . COOKIEHASH;
 578      if ( isset( $_GET['key'] ) ) {
 579          $value = sprintf( '%s:%s', wp_unslash( $_GET['login'] ), wp_unslash( $_GET['key'] ) );
 580          setcookie( $rp_cookie, $value, 0, $rp_path, COOKIE_DOMAIN, is_ssl(), true );
 581          wp_safe_redirect( remove_query_arg( array( 'key', 'login' ) ) );
 582          exit;
 583      }
 584  
 585      if ( isset( $_COOKIE[ $rp_cookie ] ) && 0 < strpos( $_COOKIE[ $rp_cookie ], ':' ) ) {
 586          list( $rp_login, $rp_key ) = explode( ':', wp_unslash( $_COOKIE[ $rp_cookie ] ), 2 );
 587          $user = check_password_reset_key( $rp_key, $rp_login );
 588          if ( isset( $_POST['pass1'] ) && ! hash_equals( $rp_key, $_POST['rp_key'] ) ) {
 589              $user = false;
 590          }
 591      } else {
 592          $user = false;
 593      }
 594  
 595      if ( ! $user || is_wp_error( $user ) ) {
 596          setcookie( $rp_cookie, ' ', time() - YEAR_IN_SECONDS, $rp_path, COOKIE_DOMAIN, is_ssl(), true );
 597          if ( $user && $user->get_error_code() === 'expired_key' )
 598              wp_redirect( site_url( 'wp-login.php?action=lostpassword&error=expiredkey' ) );
 599          else
 600              wp_redirect( site_url( 'wp-login.php?action=lostpassword&error=invalidkey' ) );
 601          exit;
 602      }
 603  
 604      $errors = new WP_Error();
 605  
 606      if ( isset($_POST['pass1']) && $_POST['pass1'] != $_POST['pass2'] )
 607          $errors->add( 'password_reset_mismatch', __( 'The passwords do not match.' ) );
 608  
 609      /**
 610       * Fires before the password reset procedure is validated.
 611       *
 612       * @since 3.5.0
 613       *
 614       * @param object           $errors WP Error object.
 615       * @param WP_User|WP_Error $user   WP_User object if the login and reset key match. WP_Error object otherwise.
 616       */
 617      do_action( 'validate_password_reset', $errors, $user );
 618  
 619      if ( ( ! $errors->get_error_code() ) && isset( $_POST['pass1'] ) && !empty( $_POST['pass1'] ) ) {
 620          reset_password($user, $_POST['pass1']);
 621          setcookie( $rp_cookie, ' ', time() - YEAR_IN_SECONDS, $rp_path, COOKIE_DOMAIN, is_ssl(), true );
 622          login_header( __( 'Password Reset' ), '<p class="message reset-pass">' . __( 'Your password has been reset.' ) . ' <a href="' . esc_url( wp_login_url() ) . '">' . __( 'Log in' ) . '</a></p>' );
 623          login_footer();
 624          exit;
 625      }
 626  
 627      wp_enqueue_script('utils');
 628      wp_enqueue_script('user-profile');
 629  
 630      login_header(__('Reset Password'), '<p class="message reset-pass">' . __('Enter your new password below.') . '</p>', $errors );
 631  
 632  ?>
 633  <form name="resetpassform" id="resetpassform" action="<?php echo esc_url( network_site_url( 'wp-login.php?action=resetpass', 'login_post' ) ); ?>" method="post" autocomplete="off">
 634      <input type="hidden" id="user_login" value="<?php echo esc_attr( $rp_login ); ?>" autocomplete="off" />
 635  
 636      <div class="user-pass1-wrap">
 637          <p>
 638              <label for="pass1"><?php _e( 'New password' ) ?></label>
 639          </p>
 640  
 641          <div class="wp-pwd">
 642              <span class="password-input-wrapper">
 643                  <input type="password" data-reveal="1" data-pw="<?php echo esc_attr( wp_generate_password( 16 ) ); ?>" name="pass1" id="pass1" class="input" size="20" value="" autocomplete="off" aria-describedby="pass-strength-result" />
 644              </span>
 645              <div id="pass-strength-result" class="hide-if-no-js" aria-live="polite"><?php _e( 'Strength indicator' ); ?></div>
 646          </div>
 647      </div>
 648  
 649      <p class="user-pass2-wrap">
 650          <label for="pass2"><?php _e( 'Confirm new password' ) ?></label><br />
 651          <input type="password" name="pass2" id="pass2" class="input" size="20" value="" autocomplete="off" />
 652      </p>
 653  
 654      <p class="description indicator-hint"><?php echo wp_get_password_hint(); ?></p>
 655      <br class="clear" />
 656  
 657      <?php
 658      /**
 659       * Fires following the 'Strength indicator' meter in the user password reset form.
 660       *
 661       * @since 3.9.0
 662       *
 663       * @param WP_User $user User object of the user whose password is being reset.
 664       */
 665      do_action( 'resetpass_form', $user );
 666      ?>
 667      <input type="hidden" name="rp_key" value="<?php echo esc_attr( $rp_key ); ?>" />
 668      <p class="submit"><input type="submit" name="wp-submit" id="wp-submit" class="button button-primary button-large" value="<?php esc_attr_e('Reset Password'); ?>" /></p>
 669  </form>
 670  
 671  <p id="nav">
 672  <a href="<?php echo esc_url( wp_login_url() ); ?>"><?php _e( 'Log in' ); ?></a>
 673  <?php
 674  if ( get_option( 'users_can_register' ) ) :
 675      $registration_url = sprintf( '<a href="%s">%s</a>', esc_url( wp_registration_url() ), __( 'Register' ) );
 676  
 677      /** This filter is documented in wp-includes/general-template.php */
 678      echo ' | ' . apply_filters( 'register', $registration_url );
 679  endif;
 680  ?>
 681  </p>
 682  
 683  <?php
 684  login_footer('user_pass');
 685  break;
 686  
 687  case 'register' :
 688      if ( is_multisite() ) {
 689          /**
 690           * Filters the Multisite sign up URL.
 691           *
 692           * @since 3.0.0
 693           *
 694           * @param string $sign_up_url The sign up URL.
 695           */
 696          wp_redirect( apply_filters( 'wp_signup_location', network_site_url( 'wp-signup.php' ) ) );
 697          exit;
 698      }
 699  
 700      if ( !get_option('users_can_register') ) {
 701          wp_redirect( site_url('wp-login.php?registration=disabled') );
 702          exit();
 703      }
 704  
 705      $user_login = '';
 706      $user_email = '';
 707      if ( $http_post ) {
 708          $user_login = isset( $_POST['user_login'] ) ? $_POST['user_login'] : '';
 709          $user_email = isset( $_POST['user_email'] ) ? $_POST['user_email'] : '';
 710          $errors = register_new_user($user_login, $user_email);
 711          if ( !is_wp_error($errors) ) {
 712              $redirect_to = !empty( $_POST['redirect_to'] ) ? $_POST['redirect_to'] : 'wp-login.php?checkemail=registered';
 713              wp_safe_redirect( $redirect_to );
 714              exit();
 715          }
 716      }
 717  
 718      $registration_redirect = ! empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
 719      /**
 720       * Filters the registration redirect URL.
 721       *
 722       * @since 3.0.0
 723       *
 724       * @param string $registration_redirect The redirect destination URL.
 725       */
 726      $redirect_to = apply_filters( 'registration_redirect', $registration_redirect );
 727      login_header(__('Registration Form'), '<p class="message register">' . __('Register For This Site') . '</p>', $errors);
 728  ?>
 729  <form name="registerform" id="registerform" action="<?php echo esc_url( site_url( 'wp-login.php?action=register', 'login_post' ) ); ?>" method="post" novalidate="novalidate">
 730      <p>
 731          <label for="user_login"><?php _e('Username') ?><br />
 732          <input type="text" name="user_login" id="user_login" class="input" value="<?php echo esc_attr(wp_unslash($user_login)); ?>" size="20" /></label>
 733      </p>
 734      <p>
 735          <label for="user_email"><?php _e('Email') ?><br />
 736          <input type="email" name="user_email" id="user_email" class="input" value="<?php echo esc_attr( wp_unslash( $user_email ) ); ?>" size="25" /></label>
 737      </p>
 738      <?php
 739      /**
 740       * Fires following the 'Email' field in the user registration form.
 741       *
 742       * @since 2.1.0
 743       */
 744      do_action( 'register_form' );
 745      ?>
 746      <p id="reg_passmail"><?php _e( 'Registration confirmation will be emailed to you.' ); ?></p>
 747      <br class="clear" />
 748      <input type="hidden" name="redirect_to" value="<?php echo esc_attr( $redirect_to ); ?>" />
 749      <p class="submit"><input type="submit" name="wp-submit" id="wp-submit" class="button button-primary button-large" value="<?php esc_attr_e('Register'); ?>" /></p>
 750  </form>
 751  
 752  <p id="nav">
 753  <a href="<?php echo esc_url( wp_login_url() ); ?>"><?php _e( 'Log in' ); ?></a> |
 754  <a href="<?php echo esc_url( wp_lostpassword_url() ); ?>"><?php _e( 'Lost your password?' ); ?></a>
 755  </p>
 756  
 757  <?php
 758  login_footer('user_login');
 759  break;
 760  
 761  case 'login' :
 762  default:
 763      $secure_cookie = '';
 764      $customize_login = isset( $_REQUEST['customize-login'] );
 765      if ( $customize_login )
 766          wp_enqueue_script( 'customize-base' );
 767  
 768      // If the user wants ssl but the session is not ssl, force a secure cookie.
 769      if ( !empty($_POST['log']) && !force_ssl_admin() ) {
 770          $user_name = sanitize_user($_POST['log']);
 771          $user = get_user_by( 'login', $user_name );
 772  
 773          if ( ! $user && strpos( $user_name, '@' ) ) {
 774              $user = get_user_by( 'email', $user_name );
 775          }
 776  
 777          if ( $user ) {
 778              if ( get_user_option('use_ssl', $user->ID) ) {
 779                  $secure_cookie = true;
 780                  force_ssl_admin(true);
 781              }
 782          }
 783      }
 784  
 785      if ( isset( $_REQUEST['redirect_to'] ) ) {
 786          $redirect_to = $_REQUEST['redirect_to'];
 787          // Redirect to https if user wants ssl
 788          if ( $secure_cookie && false !== strpos($redirect_to, 'wp-admin') )
 789              $redirect_to = preg_replace('|^http://|', 'https://', $redirect_to);
 790      } else {
 791          $redirect_to = admin_url();
 792      }
 793  
 794      $reauth = empty($_REQUEST['reauth']) ? false : true;
 795  
 796      $user = wp_signon( array(), $secure_cookie );
 797  
 798      if ( empty( $_COOKIE[ LOGGED_IN_COOKIE ] ) ) {
 799          if ( headers_sent() ) {
 800              $user = new WP_Error( 'test_cookie', sprintf( __( '<strong>ERROR</strong>: Cookies are blocked due to unexpected output. For help, please see <a href="%1$s">this documentation</a> or try the <a href="%2$s">support forums</a>.' ),
 801                  __( 'https://codex.wordpress.org/Cookies' ), __( 'https://wordpress.org/support/' ) ) );
 802          } elseif ( isset( $_POST['testcookie'] ) && empty( $_COOKIE[ TEST_COOKIE ] ) ) {
 803              // If cookies are disabled we can't log in even with a valid user+pass
 804              $user = new WP_Error( 'test_cookie', sprintf( __( '<strong>ERROR</strong>: Cookies are blocked or not supported by your browser. You must <a href="%s">enable cookies</a> to use WordPress.' ),
 805                  __( 'https://codex.wordpress.org/Cookies' ) ) );
 806          }
 807      }
 808  
 809      $requested_redirect_to = isset( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
 810      /**
 811       * Filters the login redirect URL.
 812       *
 813       * @since 3.0.0
 814       *
 815       * @param string           $redirect_to           The redirect destination URL.
 816       * @param string           $requested_redirect_to The requested redirect destination URL passed as a parameter.
 817       * @param WP_User|WP_Error $user                  WP_User object if login was successful, WP_Error object otherwise.
 818       */
 819      $redirect_to = apply_filters( 'login_redirect', $redirect_to, $requested_redirect_to, $user );
 820  
 821      if ( !is_wp_error($user) && !$reauth ) {
 822          if ( $interim_login ) {
 823              $message = '<p class="message">' . __('You have logged in successfully.') . '</p>';
 824              $interim_login = 'success';
 825              login_header( '', $message ); ?>
 826              </div>
 827              <?php
 828              /** This action is documented in wp-login.php */
 829              do_action( 'login_footer' ); ?>
 830              <?php if ( $customize_login ) : ?>
 831                  <script type="text/javascript">setTimeout( function(){ new wp.customize.Messenger({ url: '<?php echo wp_customize_url(); ?>', channel: 'login' }).send('login') }, 1000 );</script>
 832              <?php endif; ?>
 833              </body></html>
 834  <?php        exit;
 835          }
 836  
 837          if ( ( empty( $redirect_to ) || $redirect_to == 'wp-admin/' || $redirect_to == admin_url() ) ) {
 838              // If the user doesn't belong to a blog, send them to user admin. If the user can't edit posts, send them to their profile.
 839              if ( is_multisite() && !get_active_blog_for_user($user->ID) && !is_super_admin( $user->ID ) )
 840                  $redirect_to = user_admin_url();
 841              elseif ( is_multisite() && !$user->has_cap('read') )
 842                  $redirect_to = get_dashboard_url( $user->ID );
 843              elseif ( !$user->has_cap('edit_posts') )
 844                  $redirect_to = $user->has_cap( 'read' ) ? admin_url( 'profile.php' ) : home_url();
 845  
 846              wp_redirect( $redirect_to );
 847              exit();
 848          }
 849          wp_safe_redirect($redirect_to);
 850          exit();
 851      }
 852  
 853      $errors = $user;
 854      // Clear errors if loggedout is set.
 855      if ( !empty($_GET['loggedout']) || $reauth )
 856          $errors = new WP_Error();
 857  
 858      if ( $interim_login ) {
 859          if ( ! $errors->get_error_code() )
 860              $errors->add( 'expired', __( 'Your session has expired. Please log in to continue where you left off.' ), 'message' );
 861      } else {
 862          // Some parts of this script use the main login form to display a message
 863          if        ( isset($_GET['loggedout']) && true == $_GET['loggedout'] )
 864              $errors->add('loggedout', __('You are now logged out.'), 'message');
 865          elseif    ( isset($_GET['registration']) && 'disabled' == $_GET['registration'] )
 866              $errors->add('registerdisabled', __('User registration is currently not allowed.'));
 867          elseif    ( isset($_GET['checkemail']) && 'confirm' == $_GET['checkemail'] )
 868              $errors->add('confirm', __('Check your email for the confirmation link.'), 'message');
 869          elseif    ( isset($_GET['checkemail']) && 'newpass' == $_GET['checkemail'] )
 870              $errors->add('newpass', __('Check your email for your new password.'), 'message');
 871          elseif    ( isset($_GET['checkemail']) && 'registered' == $_GET['checkemail'] )
 872              $errors->add('registered', __('Registration complete. Please check your email.'), 'message');
 873          elseif ( strpos( $redirect_to, 'about.php?updated' ) )
 874              $errors->add('updated', __( '<strong>You have successfully updated WordPress!</strong> Please log back in to see what&#8217;s new.' ), 'message' );
 875      }
 876  
 877      /**
 878       * Filters the login page errors.
 879       *
 880       * @since 3.6.0
 881       *
 882       * @param object $errors      WP Error object.
 883       * @param string $redirect_to Redirect destination URL.
 884       */
 885      $errors = apply_filters( 'wp_login_errors', $errors, $redirect_to );
 886  
 887      // Clear any stale cookies.
 888      if ( $reauth )
 889          wp_clear_auth_cookie();
 890  
 891      login_header(__('Log In'), '', $errors);
 892  
 893      if ( isset($_POST['log']) )
 894          $user_login = ( 'incorrect_password' == $errors->get_error_code() || 'empty_password' == $errors->get_error_code() ) ? esc_attr(wp_unslash($_POST['log'])) : '';
 895      $rememberme = ! empty( $_POST['rememberme'] );
 896  
 897      if ( ! empty( $errors->errors ) ) {
 898          $aria_describedby_error = ' aria-describedby="login_error"';
 899      } else {
 900          $aria_describedby_error = '';
 901      }
 902  ?>
 903  
 904  <form name="loginform" id="loginform" action="<?php echo esc_url( site_url( 'wp-login.php', 'login_post' ) ); ?>" method="post">
 905      <p>
 906          <label for="user_login"><?php _e('Username or Email') ?><br />
 907          <input type="text" name="log" id="user_login"<?php echo $aria_describedby_error; ?> class="input" value="<?php echo esc_attr( $user_login ); ?>" size="20" /></label>
 908      </p>
 909      <p>
 910          <label for="user_pass"><?php _e('Password') ?><br />
 911          <input type="password" name="pwd" id="user_pass"<?php echo $aria_describedby_error; ?> class="input" value="" size="20" /></label>
 912      </p>
 913      <?php
 914      /**
 915       * Fires following the 'Password' field in the login form.
 916       *
 917       * @since 2.1.0
 918       */
 919      do_action( 'login_form' );
 920      ?>
 921      <p class="forgetmenot"><label for="rememberme"><input name="rememberme" type="checkbox" id="rememberme" value="forever" <?php checked( $rememberme ); ?> /> <?php esc_attr_e('Remember Me'); ?></label></p>
 922      <p class="submit">
 923          <input type="submit" name="wp-submit" id="wp-submit" class="button button-primary button-large" value="<?php esc_attr_e('Log In'); ?>" />
 924  <?php    if ( $interim_login ) { ?>
 925          <input type="hidden" name="interim-login" value="1" />
 926  <?php    } else { ?>
 927          <input type="hidden" name="redirect_to" value="<?php echo esc_attr($redirect_to); ?>" />
 928  <?php     } ?>
 929  <?php   if ( $customize_login ) : ?>
 930          <input type="hidden" name="customize-login" value="1" />
 931  <?php   endif; ?>
 932          <input type="hidden" name="testcookie" value="1" />
 933      </p>
 934  </form>
 935  
 936  <?php if ( ! $interim_login ) { ?>
 937  <p id="nav">
 938  <?php if ( ! isset( $_GET['checkemail'] ) || ! in_array( $_GET['checkemail'], array( 'confirm', 'newpass' ) ) ) :
 939      if ( get_option( 'users_can_register' ) ) :
 940          $registration_url = sprintf( '<a href="%s">%s</a>', esc_url( wp_registration_url() ), __( 'Register' ) );
 941  
 942          /** This filter is documented in wp-includes/general-template.php */
 943          echo apply_filters( 'register', $registration_url ) . ' | ';
 944      endif;
 945      ?>
 946      <a href="<?php echo esc_url( wp_lostpassword_url() ); ?>"><?php _e( 'Lost your password?' ); ?></a>
 947  <?php endif; ?>
 948  </p>
 949  <?php } ?>
 950  
 951  <script type="text/javascript">
 952  function wp_attempt_focus(){
 953  setTimeout( function(){ try{
 954  <?php if ( $user_login ) { ?>
 955  d = document.getElementById('user_pass');
 956  d.value = '';
 957  <?php } else { ?>
 958  d = document.getElementById('user_login');
 959  <?php if ( 'invalid_username' == $errors->get_error_code() ) { ?>
 960  if( d.value != '' )
 961  d.value = '';
 962  <?php
 963  }
 964  }?>
 965  d.focus();
 966  d.select();
 967  } catch(e){}
 968  }, 200);
 969  }
 970  
 971  <?php if ( !$error ) { ?>
 972  wp_attempt_focus();
 973  <?php } ?>
 974  if(typeof wpOnload=='function')wpOnload();
 975  <?php if ( $interim_login ) { ?>
 976  (function(){
 977  try {
 978      var i, links = document.getElementsByTagName('a');
 979      for ( i in links ) {
 980          if ( links[i].href )
 981              links[i].target = '_blank';
 982      }
 983  } catch(e){}
 984  }());
 985  <?php } ?>
 986  </script>
 987  
 988  <?php
 989  login_footer();
 990  break;
 991  } // end action switch

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