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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  /** This filter is documented in wp-admin/options.php */
  14  if ( ! apply_filters( 'enable_post_by_email_configuration', true ) )
  15      wp_die( __( 'This action has been disabled by the administrator.' ) );
  16  
  17  /**
  18   * Fires to allow a plugin to do a complete takeover of Post by Email.
  19   *
  20   * @since 2.9.0
  21   */
  22  do_action( 'wp-mail.php' );
  23  
  24  /** Get the POP3 class with which to access the mailbox. */
  25  require_once( ABSPATH . WPINC . '/class-pop3.php' );
  26  
  27  /** Only check at this interval for new messages. */
  28  if ( !defined('WP_MAIL_INTERVAL') )
  29      define('WP_MAIL_INTERVAL', 300); // 5 minutes
  30  
  31  $last_checked = get_transient('mailserver_last_checked');
  32  
  33  if ( $last_checked )
  34      wp_die(__('Slow down cowboy, no need to check for new mails so often!'));
  35  
  36  set_transient('mailserver_last_checked', true, WP_MAIL_INTERVAL);
  37  
  38  $time_difference = get_option('gmt_offset') * HOUR_IN_SECONDS;
  39  
  40  $phone_delim = '::';
  41  
  42  $pop3 = new POP3();
  43  
  44  if ( !$pop3->connect( get_option('mailserver_url'), get_option('mailserver_port') ) || !$pop3->user( get_option('mailserver_login') ) )
  45      wp_die( esc_html( $pop3->ERROR ) );
  46  
  47  $count = $pop3->pass( get_option('mailserver_pass') );
  48  
  49  if( false === $count )
  50      wp_die( esc_html( $pop3->ERROR ) );
  51  
  52  if( 0 === $count ) {
  53      $pop3->quit();
  54      wp_die( __('There doesn&#8217;t seem to be any new mail.') );
  55  }
  56  
  57  for ( $i = 1; $i <= $count; $i++ ) {
  58  
  59      $message = $pop3->get($i);
  60  
  61      $bodysignal = false;
  62      $boundary = '';
  63      $charset = '';
  64      $content = '';
  65      $content_type = '';
  66      $content_transfer_encoding = '';
  67      $post_author = 1;
  68      $author_found = false;
  69      $dmonths = array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');
  70      foreach ($message as $line) {
  71          // body signal
  72          if ( strlen($line) < 3 )
  73              $bodysignal = true;
  74          if ( $bodysignal ) {
  75              $content .= $line;
  76          } else {
  77              if ( preg_match('/Content-Type: /i', $line) ) {
  78                  $content_type = trim($line);
  79                  $content_type = substr($content_type, 14, strlen($content_type) - 14);
  80                  $content_type = explode(';', $content_type);
  81                  if ( ! empty( $content_type[1] ) ) {
  82                      $charset = explode('=', $content_type[1]);
  83                      $charset = ( ! empty( $charset[1] ) ) ? trim($charset[1]) : '';
  84                  }
  85                  $content_type = $content_type[0];
  86              }
  87              if ( preg_match('/Content-Transfer-Encoding: /i', $line) ) {
  88                  $content_transfer_encoding = trim($line);
  89                  $content_transfer_encoding = substr($content_transfer_encoding, 27, strlen($content_transfer_encoding) - 27);
  90                  $content_transfer_encoding = explode(';', $content_transfer_encoding);
  91                  $content_transfer_encoding = $content_transfer_encoding[0];
  92              }
  93              if ( ( $content_type == 'multipart/alternative' ) && ( false !== strpos($line, 'boundary="') ) && ( '' == $boundary ) ) {
  94                  $boundary = trim($line);
  95                  $boundary = explode('"', $boundary);
  96                  $boundary = $boundary[1];
  97              }
  98              if (preg_match('/Subject: /i', $line)) {
  99                  $subject = trim($line);
 100                  $subject = substr($subject, 9, strlen($subject) - 9);
 101                  // Captures any text in the subject before $phone_delim as the subject
 102                  if ( function_exists('iconv_mime_decode') ) {
 103                      $subject = iconv_mime_decode($subject, 2, get_option('blog_charset'));
 104                  } else {
 105                      $subject = wp_iso_descrambler($subject);
 106                  }
 107                  $subject = explode($phone_delim, $subject);
 108                  $subject = $subject[0];
 109              }
 110  
 111              // Set the author using the email address (From or Reply-To, the last used)
 112              // otherwise use the site admin
 113              if ( ! $author_found && preg_match( '/^(From|Reply-To): /', $line ) ) {
 114                  if ( preg_match('|[a-z0-9_.-]+@[a-z0-9_.-]+(?!.*<)|i', $line, $matches) )
 115                      $author = $matches[0];
 116                  else
 117                      $author = trim($line);
 118                  $author = sanitize_email($author);
 119                  if ( is_email($author) ) {
 120                      echo '<p>' . sprintf(__('Author is %s'), $author) . '</p>';
 121                      $userdata = get_user_by('email', $author);
 122                      if ( ! empty( $userdata ) ) {
 123                          $post_author = $userdata->ID;
 124                          $author_found = true;
 125                      }
 126                  }
 127              }
 128  
 129              if (preg_match('/Date: /i', $line)) { // of the form '20 Mar 2002 20:32:37'
 130                  $ddate = trim($line);
 131                  $ddate = str_replace('Date: ', '', $ddate);
 132                  if (strpos($ddate, ',')) {
 133                      $ddate = trim(substr($ddate, strpos($ddate, ',') + 1, strlen($ddate)));
 134                  }
 135                  $date_arr = explode(' ', $ddate);
 136                  $date_time = explode(':', $date_arr[3]);
 137  
 138                  $ddate_H = $date_time[0];
 139                  $ddate_i = $date_time[1];
 140                  $ddate_s = $date_time[2];
 141  
 142                  $ddate_m = $date_arr[1];
 143                  $ddate_d = $date_arr[0];
 144                  $ddate_Y = $date_arr[2];
 145                  for ( $j = 0; $j < 12; $j++ ) {
 146                      if ( $ddate_m == $dmonths[$j] ) {
 147                          $ddate_m = $j+1;
 148                      }
 149                  }
 150  
 151                  $time_zn = intval($date_arr[4]) * 36;
 152                  $ddate_U = gmmktime($ddate_H, $ddate_i, $ddate_s, $ddate_m, $ddate_d, $ddate_Y);
 153                  $ddate_U = $ddate_U - $time_zn;
 154                  $post_date = gmdate('Y-m-d H:i:s', $ddate_U + $time_difference);
 155                  $post_date_gmt = gmdate('Y-m-d H:i:s', $ddate_U);
 156              }
 157          }
 158      }
 159  
 160      // Set $post_status based on $author_found and on author's publish_posts capability
 161      if ( $author_found ) {
 162          $user = new WP_User($post_author);
 163          $post_status = ( $user->has_cap('publish_posts') ) ? 'publish' : 'pending';
 164      } else {
 165          // Author not found in DB, set status to pending. Author already set to admin.
 166          $post_status = 'pending';
 167      }
 168  
 169      $subject = trim($subject);
 170  
 171      if ( $content_type == 'multipart/alternative' ) {
 172          $content = explode('--'.$boundary, $content);
 173          $content = $content[2];
 174          // match case-insensitive content-transfer-encoding
 175          if ( preg_match( '/Content-Transfer-Encoding: quoted-printable/i', $content, $delim) ) {
 176              $content = explode($delim[0], $content);
 177              $content = $content[1];
 178          }
 179          $content = strip_tags($content, '<img><p><br><i><b><u><em><strong><strike><font><span><div>');
 180      }
 181      $content = trim($content);
 182  
 183      /**
 184       * Filter the original content of the email.
 185       *
 186       * Give Post-By-Email extending plugins full access to the content, either
 187       * the raw content, or the content of the last quoted-printable section.
 188       *
 189       * @since 2.8.0
 190       *
 191       * @param string $content The original email content.
 192       */
 193      $content = apply_filters( 'wp_mail_original_content', $content );
 194  
 195      if ( false !== stripos($content_transfer_encoding, "quoted-printable") ) {
 196          $content = quoted_printable_decode($content);
 197      }
 198  
 199      if ( function_exists('iconv') && ! empty( $charset ) ) {
 200          $content = iconv($charset, get_option('blog_charset'), $content);
 201      }
 202  
 203      // Captures any text in the body after $phone_delim as the body
 204      $content = explode($phone_delim, $content);
 205      $content = empty( $content[1] ) ? $content[0] : $content[1];
 206  
 207      $content = trim($content);
 208  
 209      /**
 210       * Filter the content of the post submitted by email before saving.
 211       *
 212       * @since 1.2.0
 213       *
 214       * @param string $content The email content.
 215       */
 216      $post_content = apply_filters( 'phone_content', $content );
 217  
 218      $post_title = xmlrpc_getposttitle($content);
 219  
 220      if ($post_title == '') $post_title = $subject;
 221  
 222      $post_category = array(get_option('default_email_category'));
 223  
 224      $post_data = compact('post_content','post_title','post_date','post_date_gmt','post_author','post_category', 'post_status');
 225      $post_data = wp_slash($post_data);
 226  
 227      $post_ID = wp_insert_post($post_data);
 228      if ( is_wp_error( $post_ID ) )
 229          echo "\n" . $post_ID->get_error_message();
 230  
 231      // We couldn't post, for whatever reason. Better move forward to the next email.
 232      if ( empty( $post_ID ) )
 233          continue;
 234  
 235      /**
 236       * Fires after a post submitted by email is published.
 237       *
 238       * @since 1.2.0
 239       *
 240       * @param int $post_ID The post ID.
 241       */
 242      do_action( 'publish_phone', $post_ID );
 243  
 244      echo "\n<p>" . sprintf(__('<strong>Author:</strong> %s'), esc_html($post_author)) . '</p>';
 245      echo "\n<p>" . sprintf(__('<strong>Posted title:</strong> %s'), esc_html($post_title)) . '</p>';
 246  
 247      if(!$pop3->delete($i)) {
 248          echo '<p>' . sprintf(__('Oops: %s'), esc_html($pop3->ERROR)) . '</p>';
 249          $pop3->reset();
 250          exit;
 251      } else {
 252          echo '<p>' . sprintf(__('Mission complete. Message <strong>%s</strong> deleted.'), $i) . '</p>';
 253      }
 254  
 255  }
 256  
 257  $pop3->quit();