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   1  <?php
   2  /**
   3   * Gets the email message from the user's mailbox to add as
   4   * a WordPress post. Mailbox connection information must be
   5   * configured under Settings > Writing
   6   *
   7   * @package WordPress
   8   */
   9  
  10  /** Make sure that the WordPress bootstrap has run before continuing. */
  11  require(dirname(__FILE__) . '/wp-load.php');
  12  
  13  /** Allow a plugin to do a complete takeover of Post by Email **/
  14  do_action('wp-mail.php');
  15  
  16  /** Get the POP3 class with which to access the mailbox. */
  17  require_once( ABSPATH . WPINC . '/class-pop3.php' );
  18  
  19  /** Only check at this interval for new messages. */
  20  if ( !defined('WP_MAIL_INTERVAL') )
  21      define('WP_MAIL_INTERVAL', 300); // 5 minutes
  22  
  23  $last_checked = get_transient('mailserver_last_checked');
  24  
  25  if ( $last_checked )
  26      wp_die(__('Slow down cowboy, no need to check for new mails so often!'));
  27  
  28  set_transient('mailserver_last_checked', true, WP_MAIL_INTERVAL);
  29  
  30  $time_difference = get_option('gmt_offset') * 3600;
  31  
  32  $phone_delim = '::';
  33  
  34  $pop3 = new POP3();
  35  $count = 0;
  36  
  37  if ( ! $pop3->connect(get_option('mailserver_url'), get_option('mailserver_port') ) ||
  38      ! $pop3->user(get_option('mailserver_login')) ||
  39      ( ! $count = $pop3->pass(get_option('mailserver_pass')) ) ) {
  40          $pop3->quit();
  41          wp_die( ( 0 === $count ) ? __('There doesn&#8217;t seem to be any new mail.') : esc_html($pop3->ERROR) );
  42  }
  43  
  44  for ( $i = 1; $i <= $count; $i++ ) {
  45  
  46      $message = $pop3->get($i);
  47  
  48      $bodysignal = false;
  49      $boundary = '';
  50      $charset = '';
  51      $content = '';
  52      $content_type = '';
  53      $content_transfer_encoding = '';
  54      $post_author = 1;
  55      $author_found = false;
  56      $dmonths = array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');
  57      foreach ($message as $line) {
  58          // body signal
  59          if ( strlen($line) < 3 )
  60              $bodysignal = true;
  61          if ( $bodysignal ) {
  62              $content .= $line;
  63          } else {
  64              if ( preg_match('/Content-Type: /i', $line) ) {
  65                  $content_type = trim($line);
  66                  $content_type = substr($content_type, 14, strlen($content_type) - 14);
  67                  $content_type = explode(';', $content_type);
  68                  if ( ! empty( $content_type[1] ) ) {
  69                      $charset = explode('=', $content_type[1]);
  70                      $charset = ( ! empty( $charset[1] ) ) ? trim($charset[1]) : '';
  71                  }
  72                  $content_type = $content_type[0];
  73              }
  74              if ( preg_match('/Content-Transfer-Encoding: /i', $line) ) {
  75                  $content_transfer_encoding = trim($line);
  76                  $content_transfer_encoding = substr($content_transfer_encoding, 27, strlen($content_transfer_encoding) - 27);
  77                  $content_transfer_encoding = explode(';', $content_transfer_encoding);
  78                  $content_transfer_encoding = $content_transfer_encoding[0];
  79              }
  80              if ( ( $content_type == 'multipart/alternative' ) && ( false !== strpos($line, 'boundary="') ) && ( '' == $boundary ) ) {
  81                  $boundary = trim($line);
  82                  $boundary = explode('"', $boundary);
  83                  $boundary = $boundary[1];
  84              }
  85              if (preg_match('/Subject: /i', $line)) {
  86                  $subject = trim($line);
  87                  $subject = substr($subject, 9, strlen($subject) - 9);
  88                  // Captures any text in the subject before $phone_delim as the subject
  89                  if ( function_exists('iconv_mime_decode') ) {
  90                      $subject = iconv_mime_decode($subject, 2, get_option('blog_charset'));
  91                  } else {
  92                      $subject = wp_iso_descrambler($subject);
  93                  }
  94                  $subject = explode($phone_delim, $subject);
  95                  $subject = $subject[0];
  96              }
  97  
  98              // Set the author using the email address (From or Reply-To, the last used)
  99              // otherwise use the site admin
 100              if ( preg_match('/(From|Reply-To): /', $line) )  {
 101                  if ( preg_match('|[a-z0-9_.-]+@[a-z0-9_.-]+(?!.*<)|i', $line, $matches) )
 102                      $author = $matches[0];
 103                  else
 104                      $author = trim($line);
 105                  $author = sanitize_email($author);
 106                  if ( is_email($author) ) {
 107                      echo '<p>' . sprintf(__('Author is %s'), $author) . '</p>';
 108                      $userdata = get_user_by_email($author);
 109                      if ( empty($userdata) ) {
 110                          $author_found = false;
 111                      } else {
 112                          $post_author = $userdata->ID;
 113                          $author_found = true;
 114                      }
 115                  } else {
 116                      $author_found = false;
 117                  }
 118              }
 119  
 120              if (preg_match('/Date: /i', $line)) { // of the form '20 Mar 2002 20:32:37'
 121                  $ddate = trim($line);
 122                  $ddate = str_replace('Date: ', '', $ddate);
 123                  if (strpos($ddate, ',')) {
 124                      $ddate = trim(substr($ddate, strpos($ddate, ',') + 1, strlen($ddate)));
 125                  }
 126                  $date_arr = explode(' ', $ddate);
 127                  $date_time = explode(':', $date_arr[3]);
 128  
 129                  $ddate_H = $date_time[0];
 130                  $ddate_i = $date_time[1];
 131                  $ddate_s = $date_time[2];
 132  
 133                  $ddate_m = $date_arr[1];
 134                  $ddate_d = $date_arr[0];
 135                  $ddate_Y = $date_arr[2];
 136                  for ( $j = 0; $j < 12; $j++ ) {
 137                      if ( $ddate_m == $dmonths[$j] ) {
 138                          $ddate_m = $j+1;
 139                      }
 140                  }
 141  
 142                  $time_zn = intval($date_arr[4]) * 36;
 143                  $ddate_U = gmmktime($ddate_H, $ddate_i, $ddate_s, $ddate_m, $ddate_d, $ddate_Y);
 144                  $ddate_U = $ddate_U - $time_zn;
 145                  $post_date = gmdate('Y-m-d H:i:s', $ddate_U + $time_difference);
 146                  $post_date_gmt = gmdate('Y-m-d H:i:s', $ddate_U);
 147              }
 148          }
 149      }
 150  
 151      // Set $post_status based on $author_found and on author's publish_posts capability
 152      if ( $author_found ) {
 153          $user = new WP_User($post_author);
 154          $post_status = ( $user->has_cap('publish_posts') ) ? 'publish' : 'pending';
 155      } else {
 156          // Author not found in DB, set status to pending.  Author already set to admin.
 157          $post_status = 'pending';
 158      }
 159  
 160      $subject = trim($subject);
 161  
 162      if ( $content_type == 'multipart/alternative' ) {
 163          $content = explode('--'.$boundary, $content);
 164          $content = $content[2];
 165          // match case-insensitive content-transfer-encoding
 166          if ( preg_match( '/Content-Transfer-Encoding: quoted-printable/i', $content, $delim) ) {
 167              $content = explode($delim[0], $content);
 168              $content = $content[1];
 169          }
 170          $content = strip_tags($content, '<img><p><br><i><b><u><em><strong><strike><font><span><div>');
 171      }
 172      $content = trim($content);
 173  
 174      //Give Post-By-Email extending plugins full access to the content
 175      //Either the raw content or the content of the last quoted-printable section
 176      $content = apply_filters('wp_mail_original_content', $content);
 177  
 178      if ( false !== stripos($content_transfer_encoding, "quoted-printable") ) {
 179          $content = quoted_printable_decode($content);
 180      }
 181  
 182      if ( function_exists('iconv') && ! empty( $charset ) ) {
 183          $content = iconv($charset, get_option('blog_charset'), $content);
 184      }
 185  
 186      // Captures any text in the body after $phone_delim as the body
 187      $content = explode($phone_delim, $content);
 188      $content = empty( $content[1] ) ? $content[0] : $content[1];
 189  
 190      $content = trim($content);
 191  
 192      $post_content = apply_filters('phone_content', $content);
 193  
 194      $post_title = xmlrpc_getposttitle($content);
 195  
 196      if ($post_title == '') $post_title = $subject;
 197  
 198      $post_category = array(get_option('default_email_category'));
 199  
 200      $post_data = compact('post_content','post_title','post_date','post_date_gmt','post_author','post_category', 'post_status');
 201      $post_data = add_magic_quotes($post_data);
 202  
 203      $post_ID = wp_insert_post($post_data);
 204      if ( is_wp_error( $post_ID ) )
 205          echo "\n" . $post_ID->get_error_message();
 206  
 207      // We couldn't post, for whatever reason. Better move forward to the next email.
 208      if ( empty( $post_ID ) )
 209          continue;
 210  
 211      do_action('publish_phone', $post_ID);
 212  
 213      echo "\n<p>" . sprintf(__('<strong>Author:</strong> %s'), esc_html($post_author)) . '</p>';
 214      echo "\n<p>" . sprintf(__('<strong>Posted title:</strong> %s'), esc_html($post_title)) . '</p>';
 215  
 216      if(!$pop3->delete($i)) {
 217          echo '<p>' . sprintf(__('Oops: %s'), esc_html($pop3->ERROR)) . '</p>';
 218          $pop3->reset();
 219          exit;
 220      } else {
 221          echo '<p>' . sprintf(__('Mission complete.  Message <strong>%s</strong> deleted.'), $i) . '</p>';
 222      }
 223  
 224  }
 225  
 226  $pop3->quit();
 227  
 228  ?>