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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.' ), 403 );
  16  
  17  $mailserver_url = get_option( 'mailserver_url' );
  18  
  19  if ( 'mail.example.com' === $mailserver_url || empty( $mailserver_url ) ) {
  20      wp_die( __( 'This action has been disabled by the administrator.' ), 403 );
  21  }
  22  
  23  /**
  24   * Fires to allow a plugin to do a complete takeover of Post by Email.
  25   *
  26   * @since 2.9.0
  27   */
  28  do_action( 'wp-mail.php' );
  29  
  30  /** Get the POP3 class with which to access the mailbox. */
  31  require_once( ABSPATH . WPINC . '/class-pop3.php' );
  32  
  33  /** Only check at this interval for new messages. */
  34  if ( !defined('WP_MAIL_INTERVAL') )
  35      define('WP_MAIL_INTERVAL', 300); // 5 minutes
  36  
  37  $last_checked = get_transient('mailserver_last_checked');
  38  
  39  if ( $last_checked )
  40      wp_die(__('Slow down cowboy, no need to check for new mails so often!'));
  41  
  42  set_transient('mailserver_last_checked', true, WP_MAIL_INTERVAL);
  43  
  44  $time_difference = get_option('gmt_offset') * HOUR_IN_SECONDS;
  45  
  46  $phone_delim = '::';
  47  
  48  $pop3 = new POP3();
  49  
  50  if ( !$pop3->connect( get_option('mailserver_url'), get_option('mailserver_port') ) || !$pop3->user( get_option('mailserver_login') ) )
  51      wp_die( esc_html( $pop3->ERROR ) );
  52  
  53  $count = $pop3->pass( get_option('mailserver_pass') );
  54  
  55  if( false === $count )
  56      wp_die( esc_html( $pop3->ERROR ) );
  57  
  58  if( 0 === $count ) {
  59      $pop3->quit();
  60      wp_die( __('There doesn&#8217;t seem to be any new mail.') );
  61  }
  62  
  63  for ( $i = 1; $i <= $count; $i++ ) {
  64  
  65      $message = $pop3->get($i);
  66  
  67      $bodysignal = false;
  68      $boundary = '';
  69      $charset = '';
  70      $content = '';
  71      $content_type = '';
  72      $content_transfer_encoding = '';
  73      $post_author = 1;
  74      $author_found = false;
  75      foreach ($message as $line) {
  76          // Body signal.
  77          if ( strlen($line) < 3 )
  78              $bodysignal = true;
  79          if ( $bodysignal ) {
  80              $content .= $line;
  81          } else {
  82              if ( preg_match('/Content-Type: /i', $line) ) {
  83                  $content_type = trim($line);
  84                  $content_type = substr($content_type, 14, strlen($content_type) - 14);
  85                  $content_type = explode(';', $content_type);
  86                  if ( ! empty( $content_type[1] ) ) {
  87                      $charset = explode('=', $content_type[1]);
  88                      $charset = ( ! empty( $charset[1] ) ) ? trim($charset[1]) : '';
  89                  }
  90                  $content_type = $content_type[0];
  91              }
  92              if ( preg_match('/Content-Transfer-Encoding: /i', $line) ) {
  93                  $content_transfer_encoding = trim($line);
  94                  $content_transfer_encoding = substr($content_transfer_encoding, 27, strlen($content_transfer_encoding) - 27);
  95                  $content_transfer_encoding = explode(';', $content_transfer_encoding);
  96                  $content_transfer_encoding = $content_transfer_encoding[0];
  97              }
  98              if ( ( $content_type == 'multipart/alternative' ) && ( false !== strpos($line, 'boundary="') ) && ( '' == $boundary ) ) {
  99                  $boundary = trim($line);
 100                  $boundary = explode('"', $boundary);
 101                  $boundary = $boundary[1];
 102              }
 103              if (preg_match('/Subject: /i', $line)) {
 104                  $subject = trim($line);
 105                  $subject = substr($subject, 9, strlen($subject) - 9);
 106                  // Captures any text in the subject before $phone_delim as the subject
 107                  if ( function_exists('iconv_mime_decode') ) {
 108                      $subject = iconv_mime_decode($subject, 2, get_option('blog_charset'));
 109                  } else {
 110                      $subject = wp_iso_descrambler($subject);
 111                  }
 112                  $subject = explode($phone_delim, $subject);
 113                  $subject = $subject[0];
 114              }
 115  
 116              /*
 117               * Set the author using the email address (From or Reply-To, the last used)
 118               * otherwise use the site admin.
 119               */
 120              if ( ! $author_found && preg_match( '/^(From|Reply-To): /', $line ) ) {
 121                  if ( preg_match('|[a-z0-9_.-]+@[a-z0-9_.-]+(?!.*<)|i', $line, $matches) )
 122                      $author = $matches[0];
 123                  else
 124                      $author = trim($line);
 125                  $author = sanitize_email($author);
 126                  if ( is_email($author) ) {
 127                      /* translators: Post author email address */
 128                      echo '<p>' . sprintf(__('Author is %s'), $author) . '</p>';
 129                      $userdata = get_user_by('email', $author);
 130                      if ( ! empty( $userdata ) ) {
 131                          $post_author = $userdata->ID;
 132                          $author_found = true;
 133                      }
 134                  }
 135              }
 136  
 137              if ( preg_match( '/Date: /i', $line ) ) { // of the form '20 Mar 2002 20:32:37 +0100'
 138                  $ddate = str_replace( 'Date: ', '', trim( $line ) );
 139                  $ddate = preg_replace( '!\s*\(.+\)\s*$!', '', $ddate );    // remove parenthesised timezone string if it exists, as this confuses strtotime
 140                  $ddate_U = strtotime( $ddate );
 141                  $post_date = gmdate( 'Y-m-d H:i:s', $ddate_U + $time_difference );
 142                  $post_date_gmt = gmdate( 'Y-m-d H:i:s', $ddate_U );
 143              }
 144          }
 145      }
 146  
 147      // Set $post_status based on $author_found and on author's publish_posts capability
 148      if ( $author_found ) {
 149          $user = new WP_User($post_author);
 150          $post_status = ( $user->has_cap('publish_posts') ) ? 'publish' : 'pending';
 151      } else {
 152          // Author not found in DB, set status to pending. Author already set to admin.
 153          $post_status = 'pending';
 154      }
 155  
 156      $subject = trim($subject);
 157  
 158      if ( $content_type == 'multipart/alternative' ) {
 159          $content = explode('--'.$boundary, $content);
 160          $content = $content[2];
 161  
 162          // Match case-insensitive content-transfer-encoding.
 163          if ( preg_match( '/Content-Transfer-Encoding: quoted-printable/i', $content, $delim) ) {
 164              $content = explode($delim[0], $content);
 165              $content = $content[1];
 166          }
 167          $content = strip_tags($content, '<img><p><br><i><b><u><em><strong><strike><font><span><div>');
 168      }
 169      $content = trim($content);
 170  
 171      /**
 172       * Filters the original content of the email.
 173       *
 174       * Give Post-By-Email extending plugins full access to the content, either
 175       * the raw content, or the content of the last quoted-printable section.
 176       *
 177       * @since 2.8.0
 178       *
 179       * @param string $content The original email content.
 180       */
 181      $content = apply_filters( 'wp_mail_original_content', $content );
 182  
 183      if ( false !== stripos($content_transfer_encoding, "quoted-printable") ) {
 184          $content = quoted_printable_decode($content);
 185      }
 186  
 187      if ( function_exists('iconv') && ! empty( $charset ) ) {
 188          $content = iconv($charset, get_option('blog_charset'), $content);
 189      }
 190  
 191      // Captures any text in the body after $phone_delim as the body
 192      $content = explode($phone_delim, $content);
 193      $content = empty( $content[1] ) ? $content[0] : $content[1];
 194  
 195      $content = trim($content);
 196  
 197      /**
 198       * Filters the content of the post submitted by email before saving.
 199       *
 200       * @since 1.2.0
 201       *
 202       * @param string $content The email content.
 203       */
 204      $post_content = apply_filters( 'phone_content', $content );
 205  
 206      $post_title = xmlrpc_getposttitle($content);
 207  
 208      if ($post_title == '') $post_title = $subject;
 209  
 210      $post_category = array(get_option('default_email_category'));
 211  
 212      $post_data = compact('post_content','post_title','post_date','post_date_gmt','post_author','post_category', 'post_status');
 213      $post_data = wp_slash($post_data);
 214  
 215      $post_ID = wp_insert_post($post_data);
 216      if ( is_wp_error( $post_ID ) )
 217          echo "\n" . $post_ID->get_error_message();
 218  
 219      // We couldn't post, for whatever reason. Better move forward to the next email.
 220      if ( empty( $post_ID ) )
 221          continue;
 222  
 223      /**
 224       * Fires after a post submitted by email is published.
 225       *
 226       * @since 1.2.0
 227       *
 228       * @param int $post_ID The post ID.
 229       */
 230      do_action( 'publish_phone', $post_ID );
 231  
 232      echo "\n<p><strong>" . __( 'Author:' ) . '</strong> ' . esc_html( $post_author ) . '</p>';
 233      echo "\n<p><strong>" . __( 'Posted title:' ) . '</strong> ' . esc_html( $post_title ) . '</p>';
 234  
 235      if(!$pop3->delete($i)) {
 236          echo '<p>' . sprintf(
 237              /* translators: %s: POP3 error */
 238              __( 'Oops: %s' ),
 239              esc_html( $pop3->ERROR )
 240          ) . '</p>';
 241          $pop3->reset();
 242          exit;
 243      } else {
 244          echo '<p>' . sprintf(
 245              /* translators: %s: the message ID */
 246              __( 'Mission complete. Message %s deleted.' ),
 247              '<strong>' . $i . '</strong>'
 248          ) . '</p>';
 249      }
 250  
 251  }
 252  
 253  $pop3->quit();


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