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/ -> wp-login.php (source)

   1  <?php
   2  require( dirname(__FILE__) . '/wp-config.php' );
   3  
   4  $action = $_REQUEST['action'];
   5  $errors = array();
   6  
   7  if ( isset($_GET['key']) )
   8      $action = 'resetpass';
   9  
  10  nocache_headers();
  11  
  12  header('Content-Type: '.get_bloginfo('html_type').'; charset='.get_bloginfo('charset'));
  13  
  14  if ( defined('RELOCATE') ) { // Move flag is set
  15      if ( isset( $_SERVER['PATH_INFO'] ) && ($_SERVER['PATH_INFO'] != $_SERVER['PHP_SELF']) )
  16          $_SERVER['PHP_SELF'] = str_replace( $_SERVER['PATH_INFO'], '', $_SERVER['PHP_SELF'] );
  17  
  18      $schema = ( isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on' ) ? 'https://' : 'http://';
  19      if ( dirname($schema . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF']) != get_option('siteurl') )
  20          update_option('siteurl', dirname($schema . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF']) );
  21  }
  22  
  23  //Set a cookie now to see if they are supported by the browser.
  24  setcookie(TEST_COOKIE, 'WP Cookie check', 0, COOKIEPATH, COOKIE_DOMAIN);
  25  if ( SITECOOKIEPATH != COOKIEPATH )
  26      setcookie(TEST_COOKIE, 'WP Cookie check', 0, SITECOOKIEPATH, COOKIE_DOMAIN);
  27  
  28  // Rather than duplicating this HTML all over the place, we'll stick it in function
  29  function login_header($title = 'Login', $message = '') {
  30      global $errors, $error, $wp_locale;
  31  
  32      ?>
  33  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  34  <html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
  35  <head>
  36      <title><?php bloginfo('name'); ?> &rsaquo; <?php echo $title; ?></title>
  37      <meta http-equiv="Content-Type" content="<?php bloginfo('html_type'); ?>; charset=<?php bloginfo('charset'); ?>" />
  38      <?php wp_admin_css(); ?>
  39      <!--[if IE]><style type="text/css">#login h1 a { margin-top: 35px; } #login #login_error { margin-bottom: 10px; }</style><![endif]--><!-- Curse you, IE! -->
  40      <script type="text/javascript">
  41  		function focusit() {
  42              document.getElementById('user_login').focus();
  43          }
  44          window.onload = focusit;
  45      </script>
  46  <?php do_action('login_head'); ?>
  47  </head>
  48  <body class="login">
  49  
  50  <div id="login"><h1><a href="<?php echo apply_filters('login_headerurl', 'http://wordpress.org/'); ?>" title="<?php echo apply_filters('login_headertitle', __('Powered by WordPress')); ?>"><?php bloginfo('name'); ?></a></h1>
  51  <?php
  52      if ( !empty( $message ) ) echo apply_filters('login_message', $message) . "\n";
  53  
  54      // Incase a plugin uses $error rather than the $errors array
  55      if ( !empty( $error ) ) {
  56          $errors['error'] = $error;
  57          unset($error);
  58      }
  59  
  60      if ( !empty( $errors ) ) {
  61          if ( is_array( $errors ) ) {
  62              $newerrors = "\n";
  63              foreach ( $errors as $error ) $newerrors .= '    ' . $error . "<br />\n";
  64              $errors = $newerrors;
  65          }
  66  
  67          echo '<div id="login_error">' . apply_filters('login_errors', $errors) . "</div>\n";
  68      }
  69  } // End of login_header()
  70  
  71  $http_post = ('POST' == $_SERVER['REQUEST_METHOD']);
  72  switch ($action) {
  73  
  74  case 'logout' :
  75  
  76      wp_clearcookie();
  77      do_action('wp_logout');
  78  
  79      $redirect_to = 'wp-login.php?loggedout=true';
  80      if ( isset( $_REQUEST['redirect_to'] ) )
  81          $redirect_to = $_REQUEST['redirect_to'];
  82  
  83      wp_safe_redirect($redirect_to);
  84      exit();
  85  
  86  break;
  87  
  88  case 'lostpassword' :
  89  case 'retrievepassword' :
  90      $user_login = '';
  91      $user_pass = '';
  92  
  93      if ( $http_post ) {
  94          if ( empty( $_POST['user_login'] ) )
  95              $errors['user_login'] = __('<strong>ERROR</strong>: The username field is empty.');
  96          if ( empty( $_POST['user_email'] ) )
  97              $errors['user_email'] = __('<strong>ERROR</strong>: The e-mail field is empty.');
  98  
  99          do_action('lostpassword_post');
 100  
 101          if ( empty( $errors ) ) {
 102              $user_data = get_userdatabylogin(trim($_POST['user_login']));
 103              // redefining user_login ensures we return the right case in the email
 104              $user_login = $user_data->user_login;
 105              $user_email = $user_data->user_email;
 106  
 107              if (!$user_email || $user_email != $_POST['user_email']) {
 108                  $errors['invalidcombo'] = __('<strong>ERROR</strong>: Invalid username / e-mail combination.');
 109              } else {
 110                  do_action('retreive_password', $user_login);  // Misspelled and deprecated
 111                  do_action('retrieve_password', $user_login);
 112  
 113                  // Generate something random for a password... md5'ing current time with a rand salt
 114                  $key = substr( md5( uniqid( microtime() ) ), 0, 8);
 115                  // Now insert the new pass md5'd into the db
 116                  $wpdb->query("UPDATE $wpdb->users SET user_activation_key = '$key' WHERE user_login = '$user_login'");
 117                  $message = __('Someone has asked to reset the password for the following site and username.') . "\r\n\r\n";
 118                  $message .= get_option('siteurl') . "\r\n\r\n";
 119                  $message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n";
 120                  $message .= __('To reset your password visit the following address, otherwise just ignore this email and nothing will happen.') . "\r\n\r\n";
 121                  $message .= get_option('siteurl') . "/wp-login.php?action=rp&key=$key\r\n";
 122  
 123                  if (FALSE == wp_mail($user_email, sprintf(__('[%s] Password Reset'), get_option('blogname')), $message)) {
 124                      die('<p>' . __('The e-mail could not be sent.') . "<br />\n" . __('Possible reason: your host may have disabled the mail() function...') . '</p>');
 125                  } else {
 126                      wp_redirect('wp-login.php?checkemail=confirm');
 127                      exit();
 128                  }
 129              }
 130          }
 131      }
 132  
 133      if ( 'invalidkey' == $_GET['error'] ) $errors['invalidkey'] = __('Sorry, that key does not appear to be valid.');
 134  
 135      do_action('lost_password');
 136      login_header(__('Lost Password'), '<p class="message">' . __('Please enter your username and e-mail address. You will receive a new password via e-mail.') . '</p>');
 137  ?>
 138  
 139  <form name="lostpasswordform" id="lostpasswordform" action="wp-login.php?action=lostpassword" method="post">
 140      <p>
 141          <label><?php _e('Username:') ?><br />
 142          <input type="text" name="user_login" id="user_login" class="input" value="<?php echo attribute_escape(stripslashes($_POST['user_login'])); ?>" size="20" tabindex="10" /></label>
 143      </p>
 144      <p>
 145          <label><?php _e('E-mail:') ?><br />
 146          <input type="text" name="user_email" id="user_email" class="input" value="<?php echo attribute_escape(stripslashes($_POST['user_email'])); ?>" size="25" tabindex="20" /></label>
 147      </p>
 148  <?php do_action('lostpassword_form'); ?>
 149      <p class="submit"><input type="submit" name="wp-submit" id="wp-submit" value="<?php _e('Get New Password &raquo;'); ?>" tabindex="100" /></p>
 150  </form>
 151  </div>
 152  
 153  <ul>
 154  <?php if (get_option('users_can_register')) : ?>
 155      <li><a href="<?php bloginfo('url'); ?>/" title="<?php _e('Are you lost?') ?>"><?php printf(__('Back to %s'), get_bloginfo('title', 'display' )); ?></a></li>
 156      <li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php"><?php _e('Log in') ?></a></li>
 157      <li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php?action=register"><?php _e('Register') ?></a></li>
 158  <?php else : ?>
 159      <li><a href="<?php bloginfo('url'); ?>/" title="<?php _e('Are you lost?') ?>"><?php printf(__('Back to %s'), get_bloginfo('title', 'display' )); ?></a></li>
 160      <li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php"><?php _e('Log in') ?></a></li>
 161  <?php endif; ?>
 162  </ul>
 163  
 164  </body>
 165  </html>
 166  <?php
 167  break;
 168  
 169  case 'resetpass' :
 170  case 'rp' :
 171      $key = preg_replace('/[^a-z0-9]/i', '', $_GET['key']);
 172      if ( empty( $key ) ) {
 173          wp_redirect('wp-login.php?action=lostpassword&error=invalidkey');
 174          exit();
 175      }
 176  
 177      $user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE user_activation_key = '$key'");
 178      if ( empty( $user ) ) {
 179          wp_redirect('wp-login.php?action=lostpassword&error=invalidkey');
 180          exit();
 181      }
 182  
 183      do_action('password_reset');
 184  
 185      // Generate something random for a password... md5'ing current time with a rand salt
 186      $new_pass = substr( md5( uniqid( microtime() ) ), 0, 7);
 187      $new_hash = wp_hash_password($new_pass); 
 188      $wpdb->query("UPDATE $wpdb->users SET user_pass = '$new_hash', user_activation_key = '' WHERE ID = '$user->ID'");
 189      wp_cache_delete($user->ID, 'users');
 190      $message  = sprintf(__('Username: %s'), $user->user_login) . "\r\n";
 191      $message .= sprintf(__('Password: %s'), $new_pass) . "\r\n";
 192      $message .= get_option('siteurl') . "/wp-login.php\r\n";
 193  
 194      if (FALSE == wp_mail($user->user_email, sprintf(__('[%s] Your new password'), get_option('blogname')), $message)) {
 195          die('<p>' . __('The e-mail could not be sent.') . "<br />\n" . __('Possible reason: your host may have disabled the mail() function...') . '</p>');
 196      } else {
 197          // send a copy of password change notification to the admin
 198          // but check to see if it's the admin whose password we're changing, and skip this
 199          if ($user->user_email != get_option('admin_email')) {
 200              $message = sprintf(__('Password Lost and Changed for user: %s'), $user->user_login) . "\r\n";
 201              wp_mail(get_option('admin_email'), sprintf(__('[%s] Password Lost/Changed'), get_option('blogname')), $message);
 202          }
 203  
 204          wp_redirect('wp-login.php?checkemail=newpass');
 205          exit();
 206      }
 207  break;
 208  
 209  case 'register' :
 210      if ( FALSE == get_option('users_can_register') ) {
 211          wp_redirect('wp-login.php?registration=disabled');
 212          exit();
 213      }
 214  
 215      if ( $http_post ) {
 216          require_once( ABSPATH . WPINC . '/registration.php');
 217  
 218          $user_login = sanitize_user( $_POST['user_login'] );
 219          $user_email = apply_filters( 'user_registration_email', $_POST['user_email'] );
 220  
 221          // Check the username
 222          if ( $user_login == '' )
 223              $errors['user_login'] = __('<strong>ERROR</strong>: Please enter a username.');
 224          elseif ( !validate_username( $user_login ) ) {
 225              $errors['user_login'] = __('<strong>ERROR</strong>: This username is invalid.  Please enter a valid username.');
 226              $user_login = '';
 227          } elseif ( username_exists( $user_login ) )
 228              $errors['user_login'] = __('<strong>ERROR</strong>: This username is already registered, please choose another one.');
 229  
 230          // Check the e-mail address
 231          if ($user_email == '') {
 232              $errors['user_email'] = __('<strong>ERROR</strong>: Please type your e-mail address.');
 233          } elseif ( !is_email( $user_email ) ) {
 234              $errors['user_email'] = __('<strong>ERROR</strong>: The email address isn&#8217;t correct.');
 235              $user_email = '';
 236          } elseif ( email_exists( $user_email ) )
 237              $errors['user_email'] = __('<strong>ERROR</strong>: This email is already registered, please choose another one.');
 238  
 239          do_action('register_post');
 240  
 241          $errors = apply_filters( 'registration_errors', $errors );
 242  
 243          if ( empty( $errors ) ) {
 244              $user_pass = substr( md5( uniqid( microtime() ) ), 0, 7);
 245  
 246              $user_id = wp_create_user( $user_login, $user_pass, $user_email );
 247              if ( !$user_id )
 248                  $errors['registerfail'] = sprintf(__('<strong>ERROR</strong>: Couldn&#8217;t register you... please contact the <a href="mailto:%s">webmaster</a> !'), get_option('admin_email'));
 249              else {
 250                  wp_new_user_notification($user_id, $user_pass);
 251  
 252                  wp_redirect('wp-login.php?checkemail=registered');
 253                  exit();
 254              }
 255          }
 256      }
 257  
 258      login_header(__('Registration Form'), '<p class="message register">' . __('Register For This Site') . '</p>');
 259  ?>
 260  
 261  <form name="registerform" id="registerform" action="wp-login.php?action=register" method="post">
 262      <p>
 263          <label><?php _e('Username:') ?><br />
 264          <input type="text" name="user_login" id="user_login" class="input" value="<?php echo attribute_escape(stripslashes($user_login)); ?>" size="20" tabindex="10" /></label>
 265      </p>
 266      <p>
 267          <label><?php _e('E-mail:') ?><br />
 268          <input type="text" name="user_email" id="user_email" class="input" value="<?php echo attribute_escape(stripslashes($user_email)); ?>" size="25" tabindex="20" /></label>
 269      </p>
 270  <?php do_action('register_form'); ?>
 271      <p id="reg_passmail"><?php _e('A password will be e-mailed to you.') ?></p>
 272      <p class="submit"><input type="submit" name="wp-submit" id="wp-submit" value="<?php _e('Register &raquo;'); ?>" tabindex="100" /></p>
 273  </form>
 274  </div>
 275  
 276  <ul>
 277      <li><a href="<?php bloginfo('url'); ?>/" title="<?php _e('Are you lost?') ?>"><?php printf(__('Back to %s'), get_bloginfo('title', 'display')); ?></a></li>
 278      <li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php"><?php _e('Log in') ?></a></li>
 279      <li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php?action=lostpassword" title="<?php _e('Password Lost and Found') ?>"><?php _e('Lost your password?') ?></a></li>
 280  </ul>
 281  
 282  </body>
 283  </html>
 284  <?php
 285  break;
 286  
 287  case 'login' :
 288  default:
 289      $user_login = '';
 290      $user_pass = '';
 291      $using_cookie = FALSE;
 292  
 293      if ( !isset( $_REQUEST['redirect_to'] ) || is_user_logged_in() )
 294          $redirect_to = 'wp-admin/';
 295      else
 296          $redirect_to = $_REQUEST['redirect_to'];
 297  
 298      if ( $http_post ) {
 299          $user_login = $_POST['log'];
 300          $user_login = sanitize_user( $user_login );
 301          $user_pass  = $_POST['pwd'];
 302          $rememberme = $_POST['rememberme'];
 303      } else {
 304          $cookie_login = wp_get_cookie_login();
 305          if ( ! empty($cookie_login) ) {
 306              $using_cookie = true;
 307              $user_login = $cookie_login['login'];
 308              $user_pass = $cookie_login['password'];
 309          }
 310      }
 311  
 312      do_action_ref_array('wp_authenticate', array(&$user_login, &$user_pass));
 313  
 314      // If cookies are disabled we can't log in even with a valid user+pass
 315      if ( $http_post && empty($_COOKIE[TEST_COOKIE]) )
 316          $errors['test_cookie'] = __('<strong>ERROR</strong>: WordPress requires Cookies but your browser does not support them or they are blocked.');
 317  
 318      if ( $user_login && $user_pass && empty( $errors ) ) {
 319          $user = new WP_User(0, $user_login);
 320  
 321          // If the user can't edit posts, send them to their profile.
 322          if ( !$user->has_cap('edit_posts') && ( empty( $redirect_to ) || $redirect_to == 'wp-admin/' ) )
 323              $redirect_to = get_option('siteurl') . '/wp-admin/profile.php';
 324  
 325          if ( wp_login($user_login, $user_pass, $using_cookie) ) {
 326              if ( !$using_cookie )
 327                  wp_setcookie($user_login, $user_pass, false, '', '', $rememberme);
 328              do_action('wp_login', $user_login);
 329              wp_safe_redirect($redirect_to);
 330              exit();
 331          } else {
 332              if ( $using_cookie )
 333                  $errors['expiredsession'] = __('Your session has expired.');
 334          }
 335      }
 336  
 337      if ( $http_post && empty( $user_login ) )
 338          $errors['user_login'] = __('<strong>ERROR</strong>: The username field is empty.');
 339      if ( $http_post && empty( $user_pass ) )
 340          $errors['user_pass'] = __('<strong>ERROR</strong>: The password field is empty.');
 341  
 342      // Some parts of this script use the main login form to display a message
 343      if        ( TRUE == $_GET['loggedout'] )            $errors['loggedout']        = __('Successfully logged you out.');
 344      elseif    ( 'disabled' == $_GET['registration'] )    $errors['registerdiabled']    = __('User registration is currently not allowed.');
 345      elseif    ( 'confirm' == $_GET['checkemail'] )    $errors['confirm']            = __('Check your e-mail for the confirmation link.');
 346      elseif    ( 'newpass' == $_GET['checkemail'] )    $errors['newpass']            = __('Check your e-mail for your new password.');
 347      elseif    ( 'registered' == $_GET['checkemail'] )    $errors['registered']        = __('Registration complete. Please check your e-mail.');
 348  
 349      login_header(__('Login'));
 350  ?>
 351  
 352  <form name="loginform" id="loginform" action="wp-login.php" method="post">
 353  <?php if ( !in_array( $_GET['checkemail'], array('confirm', 'newpass') ) ) : ?>
 354      <p>
 355          <label><?php _e('Username:') ?><br />
 356          <input type="text" name="log" id="user_login" class="input" value="<?php echo attribute_escape(stripslashes($user_login)); ?>" size="20" tabindex="10" /></label>
 357      </p>
 358      <p>
 359          <label><?php _e('Password:') ?><br />
 360          <input type="password" name="pwd" id="user_pass" class="input" value="" size="20" tabindex="20" /></label>
 361      </p>
 362  <?php do_action('login_form'); ?>
 363      <p><label><input name="rememberme" type="checkbox" id="rememberme" value="forever" tabindex="90" /> <?php _e('Remember me'); ?></label></p>
 364      <p class="submit">
 365          <input type="submit" name="wp-submit" id="wp-submit" value="<?php _e('Log in'); ?> &raquo;" tabindex="100" />
 366          <input type="hidden" name="redirect_to" value="<?php echo attribute_escape($redirect_to); ?>" />
 367      </p>
 368  <?php else : ?>
 369      <p>&nbsp;</p>
 370  <?php endif; ?>
 371  </form>
 372  </div>
 373  
 374  <ul>
 375  <?php if ( in_array( $_GET['checkemail'], array('confirm', 'newpass') ) ) : ?>
 376      <li><a href="<?php bloginfo('url'); ?>/" title="<?php _e('Are you lost?') ?>"><?php printf(__('Back to %s'), get_bloginfo('title', 'display')); ?></a></li>
 377  <?php elseif (get_option('users_can_register')) : ?>
 378      <li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php?action=register"><?php _e('Register') ?></a></li>
 379      <li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php?action=lostpassword" title="<?php _e('Password Lost and Found') ?>"><?php _e('Lost your password?') ?></a></li>
 380      <li><a href="<?php bloginfo('url'); ?>/" title="<?php _e('Are you lost?') ?>"><?php printf(__('Back to %s'), get_bloginfo('title', 'display')); ?></a></li>
 381  <?php else : ?>
 382      <li><a href="<?php bloginfo('url'); ?>/" title="<?php _e('Are you lost?') ?>"><?php printf(__('Back to %s'), get_bloginfo('title', 'display')); ?></a></li>
 383      <li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php?action=lostpassword" title="<?php _e('Password Lost and Found') ?>"><?php _e('Lost your password?') ?></a></li>
 384  <?php endif; ?>
 385  </ul>
 386  
 387  
 388  </body>
 389  </html>
 390  <?php
 391  
 392  break;
 393  } // end action switch
 394  ?>


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