[Sommaire] [Imprimer]

   1  <?php
   2  
   3      /* These functions can be replaced via plugins.  They are loaded after
   4       plugins are loaded. */
   5  
   6  if ( !function_exists('set_current_user') ) :
   7  function set_current_user($id, $name = '') {
   8      return wp_set_current_user($id, $name);
   9  }
  10  endif;
  11  
  12  if ( !function_exists('wp_set_current_user') ) :
  13  function wp_set_current_user($id, $name = '') {
  14      global $current_user;
  15  
  16      if ( isset($current_user) && ($id == $current_user->ID) )
  17          return $current_user;
  18  
  19      $current_user = new WP_User($id, $name);
  20  
  21      setup_userdata($current_user->ID);
  22  
  23      do_action('set_current_user');
  24  
  25      return $current_user;
  26  }
  27  endif;
  28  
  29  if ( !function_exists('wp_get_current_user') ) :
  30  function wp_get_current_user() {
  31      global $current_user;
  32  
  33      get_currentuserinfo();
  34  
  35      return $current_user;
  36  }
  37  endif;
  38  
  39  if ( !function_exists('get_currentuserinfo') ) :
  40  function get_currentuserinfo() {
  41      global $current_user;
  42  
  43      if ( defined('XMLRPC_REQUEST') && XMLRPC_REQUEST )
  44          return false;
  45  
  46      if ( ! empty($current_user) )
  47          return;
  48  
  49      if ( empty($_COOKIE[USER_COOKIE]) || empty($_COOKIE[PASS_COOKIE]) ||
  50          !wp_login($_COOKIE[USER_COOKIE], $_COOKIE[PASS_COOKIE], true) ) {
  51          wp_set_current_user(0);
  52          return false;
  53      }
  54  
  55      $user_login = $_COOKIE[USER_COOKIE];
  56      wp_set_current_user(0, $user_login);
  57  }
  58  endif;
  59  
  60  if ( !function_exists('get_userdata') ) :
  61  function get_userdata( $user_id ) {
  62      global $wpdb;
  63      $user_id = (int) $user_id;
  64      if ( $user_id == 0 )
  65          return false;
  66  
  67      $user = wp_cache_get($user_id, 'users');
  68  
  69      if ( $user )
  70          return $user;
  71  
  72      if ( !$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID = '$user_id' LIMIT 1") )
  73          return false;
  74  
  75      $wpdb->hide_errors();
  76      $metavalues = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = '$user_id'");
  77      $wpdb->show_errors();
  78  
  79      if ($metavalues) {
  80          foreach ( $metavalues as $meta ) {
  81              $value = maybe_unserialize($meta->meta_value);
  82              $user->{$meta->meta_key} = $value;
  83  
  84              // We need to set user_level from meta, not row
  85              if ( $wpdb->prefix . 'user_level' == $meta->meta_key )
  86                  $user->user_level = $meta->meta_value;
  87          } // end foreach
  88      } //end if
  89  
  90      // For backwards compat.
  91      if ( isset($user->first_name) )
  92          $user->user_firstname = $user->first_name;
  93      if ( isset($user->last_name) )
  94          $user->user_lastname = $user->last_name;
  95      if ( isset($user->description) )
  96          $user->user_description = $user->description;
  97  
  98      wp_cache_add($user_id, $user, 'users');
  99      wp_cache_add($user->user_login, $user, 'userlogins');
 100  
 101      return $user;
 102  }
 103  endif;
 104  
 105  if ( !function_exists('update_user_cache') ) :
 106  function update_user_cache() {
 107      return true;
 108  }
 109  endif;
 110  
 111  if ( !function_exists('get_userdatabylogin') ) :
 112  function get_userdatabylogin($user_login) {
 113      global $wpdb;
 114      $user_login = sanitize_user( $user_login );
 115  
 116      if ( empty( $user_login ) )
 117          return false;
 118  
 119      $userdata = wp_cache_get($user_login, 'userlogins');
 120      if ( $userdata )
 121          return $userdata;
 122  
 123      if ( !$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE user_login = '$user_login'") )
 124          return false;
 125  
 126      $wpdb->hide_errors();
 127      $metavalues = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = '$user->ID'");
 128      $wpdb->show_errors();
 129  
 130      if ($metavalues) {
 131          foreach ( $metavalues as $meta ) {
 132              $value = maybe_unserialize($meta->meta_value);
 133              $user->{$meta->meta_key} = $value;
 134  
 135              // We need to set user_level from meta, not row
 136              if ( $wpdb->prefix . 'user_level' == $meta->meta_key )
 137                  $user->user_level = $meta->meta_value;
 138          }
 139      }
 140  
 141      // For backwards compat.
 142      if ( isset($user->first_name) )
 143          $user->user_firstname = $user->first_name;
 144      if ( isset($user->last_name) )
 145          $user->user_lastname = $user->last_name;
 146      if ( isset($user->description) )
 147          $user->user_description = $user->description;
 148  
 149      wp_cache_add($user->ID, $user, 'users');
 150      wp_cache_add($user->user_login, $user, 'userlogins');
 151  
 152      return $user;
 153  
 154  }
 155  endif;
 156  
 157  if ( !function_exists('wp_mail') ) :
 158  function wp_mail($to, $subject, $message, $headers = '') {
 159      if( $headers == '' ) {
 160          $headers = "MIME-Version: 1.0\n" .
 161              "From: wordpress@" . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME'])) . "\n" . 
 162              "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
 163      }
 164  
 165      return @mail($to, $subject, $message, $headers);
 166  }
 167  endif;
 168  
 169  if ( !function_exists('wp_login') ) :
 170  function wp_login($username, $password, $already_md5 = false) {
 171      global $wpdb, $error;
 172  
 173      if ( '' == $username )
 174          return false;
 175  
 176      if ( '' == $password ) {
 177          $error = __('<strong>ERROR</strong>: The password field is empty.');
 178          return false;
 179      }
 180  
 181      $login = get_userdatabylogin($username);
 182      //$login = $wpdb->get_row("SELECT ID, user_login, user_pass FROM $wpdb->users WHERE user_login = '$username'");
 183  
 184      if (!$login) {
 185          $error = __('<strong>ERROR</strong>: Invalid username.');
 186          return false;
 187      } else {
 188          // If the password is already_md5, it has been double hashed.
 189          // Otherwise, it is plain text.
 190          if ( ($already_md5 && md5($login->user_pass) == $password) || ($login->user_login == $username && $login->user_pass == md5($password)) ) {
 191              return true;
 192          } else {
 193              $error = __('<strong>ERROR</strong>: Incorrect password.');
 194              $pwd = '';
 195              return false;
 196          }
 197      }
 198  }
 199  endif;
 200  
 201  if ( !function_exists('is_user_logged_in') ) :
 202  function is_user_logged_in() {
 203      $user = wp_get_current_user();
 204  
 205      if ( $user->id == 0 )
 206          return false;
 207  
 208      return true;
 209  }
 210  endif;
 211  
 212  if ( !function_exists('auth_redirect') ) :
 213  function auth_redirect() {
 214      // Checks if a user is logged in, if not redirects them to the login page
 215      if ( (!empty($_COOKIE[USER_COOKIE]) &&
 216                  !wp_login($_COOKIE[USER_COOKIE], $_COOKIE[PASS_COOKIE], true)) ||
 217               (empty($_COOKIE[USER_COOKIE])) ) {
 218          nocache_headers();
 219  
 220          wp_redirect(get_option('siteurl') . '/wp-login.php?redirect_to=' . urlencode($_SERVER['REQUEST_URI']));
 221          exit();
 222      }
 223  }
 224  endif;
 225  
 226  if ( !function_exists('check_admin_referer') ) :
 227  function check_admin_referer($action = -1) {
 228      $adminurl = strtolower(get_option('siteurl')).'/wp-admin';
 229      $referer = strtolower(wp_get_referer());
 230      if ( !wp_verify_nonce($_REQUEST['_wpnonce'], $action) &&
 231          !(-1 == $action && strstr($referer, $adminurl)) ) {
 232          wp_nonce_ays($action);
 233          die();
 234      }
 235      do_action('check_admin_referer', $action);
 236  }endif;
 237  
 238  if ( !function_exists('check_ajax_referer') ) :
 239  function check_ajax_referer() {
 240      $cookie = explode('; ', urldecode(empty($_POST['cookie']) ? $_GET['cookie'] : $_POST['cookie'])); // AJAX scripts must pass cookie=document.cookie
 241      foreach ( $cookie as $tasty ) {
 242          if ( false !== strpos($tasty, USER_COOKIE) )
 243              $user = substr(strstr($tasty, '='), 1);
 244          if ( false !== strpos($tasty, PASS_COOKIE) )
 245              $pass = substr(strstr($tasty, '='), 1);
 246      }
 247      if ( !wp_login( $user, $pass, true ) )
 248          die('-1');
 249      do_action('check_ajax_referer');
 250  }
 251  endif;
 252  
 253  // Cookie safe redirect.  Works around IIS Set-Cookie bug.
 254  // http://support.microsoft.com/kb/q176113/
 255  if ( !function_exists('wp_redirect') ) :
 256  function wp_redirect($location, $status = 302) {
 257      global $is_IIS;
 258  
 259      $location = apply_filters('wp_redirect', $location, $status);
 260  
 261      if ( !$location ) // allows the wp_redirect filter to cancel a redirect
 262          return false; 
 263  
 264      $location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%]|i', '', $location);
 265      $location = wp_kses_no_null($location);
 266  
 267      $strip = array('%0d', '%0a');
 268      $location = str_replace($strip, '', $location);
 269  
 270      if ( $is_IIS ) {
 271          header("Refresh: 0;url=$location");
 272      } else {
 273          if ( php_sapi_name() != 'cgi-fcgi' )
 274              status_header($status); // This causes problems on IIS and some FastCGI setups
 275          header("Location: $location");
 276      }
 277  }
 278  endif;
 279  
 280  if ( !function_exists('wp_get_cookie_login') ):
 281  function wp_get_cookie_login() {
 282      if ( empty($_COOKIE[USER_COOKIE]) || empty($_COOKIE[PASS_COOKIE]) )
 283          return false;
 284  
 285      return array('login' => $_COOKIE[USER_COOKIE],    'password' => $_COOKIE[PASS_COOKIE]);
 286  }
 287  
 288  endif;
 289  
 290  if ( !function_exists('wp_setcookie') ) :
 291  function wp_setcookie($username, $password, $already_md5 = false, $home = '', $siteurl = '', $remember = false) {
 292      if ( !$already_md5 )
 293          $password = md5( md5($password) ); // Double hash the password in the cookie.
 294  
 295      if ( empty($home) )
 296          $cookiepath = COOKIEPATH;
 297      else
 298          $cookiepath = preg_replace('|https?://[^/]+|i', '', $home . '/' );
 299  
 300      if ( empty($siteurl) ) {
 301          $sitecookiepath = SITECOOKIEPATH;
 302          $cookiehash = COOKIEHASH;
 303      } else {
 304          $sitecookiepath = preg_replace('|https?://[^/]+|i', '', $siteurl . '/' );
 305          $cookiehash = md5($siteurl);
 306      }
 307  
 308      if ( $remember )
 309          $expire = time() + 31536000;
 310      else
 311          $expire = 0;
 312  
 313      setcookie(USER_COOKIE, $username, $expire, $cookiepath, COOKIE_DOMAIN);
 314      setcookie(PASS_COOKIE, $password, $expire, $cookiepath, COOKIE_DOMAIN);
 315  
 316      if ( $cookiepath != $sitecookiepath ) {
 317          setcookie(USER_COOKIE, $username, $expire, $sitecookiepath, COOKIE_DOMAIN);
 318          setcookie(PASS_COOKIE, $password, $expire, $sitecookiepath, COOKIE_DOMAIN);
 319      }
 320  }
 321  endif;
 322  
 323  if ( !function_exists('wp_clearcookie') ) :
 324  function wp_clearcookie() {
 325      setcookie(USER_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
 326      setcookie(PASS_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
 327      setcookie(USER_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
 328      setcookie(PASS_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
 329  }
 330  endif;
 331  
 332  if ( ! function_exists('wp_notify_postauthor') ) :
 333  function wp_notify_postauthor($comment_id, $comment_type='') {
 334      global $wpdb;
 335  
 336      $comment = get_comment($comment_id);
 337      $post    = get_post($comment->comment_post_ID);
 338      $user    = get_userdata( $post->post_author );
 339  
 340      if ('' == $user->user_email) return false; // If there's no email to send the comment to
 341  
 342      $comment_author_domain = @gethostbyaddr($comment->comment_author_IP);
 343  
 344      $blogname = get_option('blogname');
 345  
 346      if ( empty( $comment_type ) ) $comment_type = 'comment';
 347  
 348      if ('comment' == $comment_type) {
 349          $notify_message  = sprintf( __('New comment on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n";
 350          $notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
 351          $notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n";
 352          $notify_message .= sprintf( __('URL    : %s'), $comment->comment_author_url ) . "\r\n";
 353          $notify_message .= sprintf( __('Whois  : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n";
 354          $notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
 355          $notify_message .= __('You can see all comments on this post here: ') . "\r\n";
 356          $subject = sprintf( __('[%1$s] Comment: "%2$s"'), $blogname, $post->post_title );
 357      } elseif ('trackback' == $comment_type) {
 358          $notify_message  = sprintf( __('New trackback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n";
 359          $notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
 360          $notify_message .= sprintf( __('URL    : %s'), $comment->comment_author_url ) . "\r\n";
 361          $notify_message .= __('Excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
 362          $notify_message .= __('You can see all trackbacks on this post here: ') . "\r\n";
 363          $subject = sprintf( __('[%1$s] Trackback: "%2$s"'), $blogname, $post->post_title );
 364      } elseif ('pingback' == $comment_type) {
 365          $notify_message  = sprintf( __('New pingback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n";
 366          $notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
 367          $notify_message .= sprintf( __('URL    : %s'), $comment->comment_author_url ) . "\r\n";
 368          $notify_message .= __('Excerpt: ') . "\r\n" . sprintf('[...] %s [...]', $comment->comment_content ) . "\r\n\r\n";
 369          $notify_message .= __('You can see all pingbacks on this post here: ') . "\r\n";
 370          $subject = sprintf( __('[%1$s] Pingback: "%2$s"'), $blogname, $post->post_title );
 371      }
 372      $notify_message .= get_permalink($comment->comment_post_ID) . "#comments\r\n\r\n";
 373      $notify_message .= sprintf( __('To delete this comment, visit: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&c=$comment_id" ) . "\r\n";
 374      $notify_message .= sprintf( __('To mark this comment as spam, visit: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&dt=spam&c=$comment_id" ) . "\r\n";
 375  
 376      $wp_email = 'wordpress@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME']));
 377  
 378      if ( '' == $comment->comment_author ) {
 379          $from = "From: \"$blogname\" <$wp_email>";
 380          if ( '' != $comment->comment_author_email )
 381              $reply_to = "Reply-To: $comment->comment_author_email";
 382      } else {
 383          $from = "From: \"$comment->comment_author\" <$wp_email>";
 384          if ( '' != $comment->comment_author_email )
 385              $reply_to = "Reply-To: \"$comment->comment_author_email\" <$comment->comment_author_email>";
 386      }
 387  
 388      $message_headers = "MIME-Version: 1.0\n"
 389          . "$from\n"
 390          . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
 391  
 392      if ( isset($reply_to) )
 393          $message_headers .= $reply_to . "\n";
 394  
 395      $notify_message = apply_filters('comment_notification_text', $notify_message, $comment_id);
 396      $subject = apply_filters('comment_notification_subject', $subject, $comment_id);
 397      $message_headers = apply_filters('comment_notification_headers', $message_headers, $comment_id);
 398  
 399      @wp_mail($user->user_email, $subject, $notify_message, $message_headers);
 400     
 401      return true;
 402  }
 403  endif;
 404  
 405  /* wp_notify_moderator
 406     notifies the moderator of the blog (usually the admin)
 407     about a new comment that waits for approval
 408     always returns true
 409   */
 410  if ( !function_exists('wp_notify_moderator') ) :
 411  function wp_notify_moderator($comment_id) {
 412      global $wpdb;
 413  
 414      if( get_option( "moderation_notify" ) == 0 )
 415          return true; 
 416      
 417      $comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1");
 418      $post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID='$comment->comment_post_ID' LIMIT 1");
 419  
 420      $comment_author_domain = @gethostbyaddr($comment->comment_author_IP);
 421      $comments_waiting = $wpdb->get_var("SELECT count(comment_ID) FROM $wpdb->comments WHERE comment_approved = '0'");
 422  
 423      $notify_message  = sprintf( __('A new comment on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n";
 424      $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
 425      $notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
 426      $notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n";
 427      $notify_message .= sprintf( __('URL    : %s'), $comment->comment_author_url ) . "\r\n";
 428      $notify_message .= sprintf( __('Whois  : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n";
 429      $notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
 430      $notify_message .= sprintf( __('Approve it: %s'),  get_option('siteurl')."/wp-admin/comment.php?action=mac&c=$comment_id" ) . "\r\n";
 431      $notify_message .= sprintf( __('Delete it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&c=$comment_id" ) . "\r\n";
 432      $notify_message .= sprintf( __('Spam it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&dt=spam&c=$comment_id" ) . "\r\n";
 433      $notify_message .= sprintf( __('Currently %s comments are waiting for approval. Please visit the moderation panel:'), $comments_waiting ) . "\r\n";
 434      $notify_message .= get_option('siteurl') . "/wp-admin/moderation.php\r\n";
 435  
 436      $subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), get_option('blogname'), $post->post_title );
 437      $admin_email = get_option('admin_email');
 438  
 439      $notify_message = apply_filters('comment_moderation_text', $notify_message, $comment_id);
 440      $subject = apply_filters('comment_moderation_subject', $subject, $comment_id);
 441  
 442      @wp_mail($admin_email, $subject, $notify_message);
 443  
 444      return true;
 445  }
 446  endif;
 447  
 448  if ( !function_exists('wp_new_user_notification') ) :
 449  function wp_new_user_notification($user_id, $plaintext_pass = '') {
 450      $user = new WP_User($user_id);
 451  
 452      $user_login = stripslashes($user->user_login);
 453      $user_email = stripslashes($user->user_email);
 454  
 455      $message  = sprintf(__('New user registration on your blog %s:'), get_option('blogname')) . "\r\n\r\n";
 456      $message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n";
 457      $message .= sprintf(__('E-mail: %s'), $user_email) . "\r\n";
 458  
 459      @wp_mail(get_option('admin_email'), sprintf(__('[%s] New User Registration'), get_option('blogname')), $message);
 460  
 461      if ( empty($plaintext_pass) )
 462          return;
 463  
 464      $message  = sprintf(__('Username: %s'), $user_login) . "\r\n";
 465      $message .= sprintf(__('Password: %s'), $plaintext_pass) . "\r\n";
 466      $message .= get_option('siteurl') . "/wp-login.php\r\n";
 467  
 468      wp_mail($user_email, sprintf(__('[%s] Your username and password'), get_option('blogname')), $message);
 469  
 470  }
 471  endif;
 472  
 473  if ( !function_exists('wp_verify_nonce') ) :
 474  function wp_verify_nonce($nonce, $action = -1) {
 475      $user = wp_get_current_user();
 476      $uid = $user->id;
 477  
 478      $i = ceil(time() / 43200);
 479  
 480      //Allow for expanding range, but only do one check if we can
 481      if( substr(wp_hash($i . $action . $uid), -12, 10) == $nonce || substr(wp_hash(($i - 1) . $action . $uid), -12, 10) == $nonce )
 482          return true;
 483      return false;
 484  }
 485  endif;
 486  
 487  if ( !function_exists('wp_create_nonce') ) :
 488  function wp_create_nonce($action = -1) {
 489      $user = wp_get_current_user();
 490      $uid = $user->id;
 491  
 492      $i = ceil(time() / 43200);
 493  
 494      return substr(wp_hash($i . $action . $uid), -12, 10);
 495  }
 496  endif;
 497  
 498  if ( !function_exists('wp_salt') ) :
 499  function wp_salt() {
 500      $salt = get_option('secret');
 501      if ( empty($salt) )
 502          $salt = DB_PASSWORD . DB_USER . DB_NAME . DB_HOST . ABSPATH;
 503  
 504      return $salt;
 505  }
 506  endif;
 507  
 508  if ( !function_exists('wp_hash') ) :
 509  function wp_hash($data) {
 510      $salt = wp_salt();
 511  
 512      if ( function_exists('hash_hmac') ) {
 513          return hash_hmac('md5', $data, $salt);
 514      } else {
 515          return md5($data . $salt);
 516      }
 517  }
 518  endif;
 519  
 520  ?>