[Web] Allow to toggle release format of quarantine msgs

data/web/admin.php

@@ -573,6 +573,17 @@ $tfa_data = get_tfa();
               </div>
             </div>
           </div>
+          <div class="row">
+            <div class="col-sm-6">
+              <div class="form-group">
+                <label for="release_format"><?=$lang['admin']['quarantine_release_format'];?></label>
+                <select data-width="100%" name="release_format" class="selectpicker" title="<?=$lang['tfa']['select'];?>">
+                  <option <?=($q_data['release_format'] == 'raw') ? 'selected' : null;?> value="raw"><?=$lang['admin']['quarantine_release_format_raw'];?></option>
+                  <option <?=($q_data['release_format'] == 'attachment') ? 'selected' : null;?> value="attachment"><?=$lang['admin']['quarantine_release_format_att'];?></option>
+                </select>
+              </div>
+            </div>
+            <div class="col-sm-6">
               <div class="form-group">
                 <label for="exclude_domains"><?=$lang['admin']['quarantine_exclude_domains'];?></label><br />
                 <select data-width="100%" name="exclude_domains" class="selectpicker" title="<?=$lang['tfa']['select'];?>" multiple>
@@ -585,6 +596,8 @@ $tfa_data = get_tfa();
                 ?>
                 </select>
               </div>
+            </div>
+          </div>
           <button class="btn btn-default" data-action="edit_selected" data-item="self" data-id="quarantine" data-api-url='edit/quarantine' data-api-attr='{"action":"settings"}' href="#"><span class="glyphicon glyphicon-check"></span> <?=$lang['admin']['save'];?></button>
         </form>
       </div>

data/web/inc/functions.quarantine.inc.php

@@ -74,12 +74,19 @@ function quarantine($_action, $_data = null) {
           return false;
         }
         $retention_size = $_data['retention_size'];
+        if ($_data['release_format'] == 'attachment' || $_data['release_format'] == 'raw') {
+          $release_format = $_data['release_format'];
+        }
+        else {
+          $release_format = 'raw';
+        }
         $max_size = $_data['max_size'];
         $exclude_domains = (array)$_data['exclude_domains'];
         try {
           $redis->Set('Q_RETENTION_SIZE', intval($retention_size));
           $redis->Set('Q_MAX_SIZE', intval($max_size));
           $redis->Set('Q_EXCLUDE_DOMAINS', json_encode($exclude_domains));
+          $redis->Set('Q_RELEASE_FORMAT', $release_format);
         }
         catch (RedisException $e) {
           $_SESSION['return'][] = array(
@@ -124,6 +131,32 @@ function quarantine($_action, $_data = null) {
             continue;
           }
           $sender = (isset($row['sender'])) ? $row['sender'] : 'sender-unknown@rspamd';
+          if (!empty(gethostbynamel('postfix-mailcow'))) {
+            $postfix = 'postfix-mailcow';
+          }
+          if (!empty(gethostbynamel('postfix'))) {
+            $postfix = 'postfix';
+          }
+          else {
+            $_SESSION['return'][] = array(
+              'type' => 'warning',
+              'log' => array(__FUNCTION__, $_action, $_data_log),
+              'msg' => array('release_send_failed', 'Cannot determine Postfix host')
+            );
+            continue;
+          }
+          try {
+            $release_format = $redis->Get('Q_RELEASE_FORMAT');
+          }
+          catch (RedisException $e) {
+            $_SESSION['return'][] = array(
+              'type' => 'danger',
+              'log' => array(__FUNCTION__, $_action, $_data_log),
+              'msg' => array('redis_error', $e)
+            );
+            return false;
+          }
+          if ($release_format == 'attachment') {
             try {
               $mail = new PHPMailer(true);
               $mail->isSMTP();
@@ -172,6 +205,45 @@ function quarantine($_action, $_data = null) {
               );
               continue;
             }
+          }
+          elseif ($release_format == 'raw') {
+            $postfix_talk = array(
+              array('220', 'HELO quarantine' . chr(10)),
+              array('250', 'MAIL FROM: ' . $sender . chr(10)),
+              array('250', 'RCPT TO: ' . $row['rcpt'] . chr(10)),
+              array('250', 'DATA' . chr(10)),
+              array('354', $row['msg'] . chr(10) . '.' . chr(10)),
+              array('250', 'QUIT' . chr(10)),
+              array('221', '')
+            );
+            // Thanks to https://stackoverflow.com/questions/6632399/given-an-email-as-raw-text-how-can-i-send-it-using-php
+            $smtp_connection = fsockopen($postfix, 590, $errno, $errstr, 1); 
+            if (!$smtp_connection) {
+              $_SESSION['return'][] = array(
+                'type' => 'warning',
+                'log' => array(__FUNCTION__, $_action, $_data_log),
+                'msg' => 'Cannot connect to Postfix'
+              );
+              return false;
+            }
+            for ($i=0; $i < count($postfix_talk); $i++) {
+              $smtp_resource = fgets($smtp_connection, 256); 
+              if (substr($smtp_resource, 0, 3) !== $postfix_talk[$i][0]) {
+                $ret = substr($smtp_resource, 0, 3);
+                $ret = (empty($ret)) ? '-' : $ret;
+                $_SESSION['return'][] = array(
+                  'type' => 'warning',
+                  'log' => array(__FUNCTION__, $_action, $_data_log),
+                  'msg' => 'Postfix returned SMTP code ' . $smtp_resource . ', expected ' . $postfix_talk[$i][0]
+                );
+                return false;
+              }
+              if ($postfix_talk[$i][1] !== '')  {
+                fputs($smtp_connection, $postfix_talk[$i][1]);
+              }
+            }
+            fclose($smtp_connection);
+          }
           try {
             $stmt = $pdo->prepare("DELETE FROM `quarantine` WHERE `id` = :id");
             $stmt->execute(array(
@@ -355,6 +427,7 @@ function quarantine($_action, $_data = null) {
         }
         $settings['max_size'] = $redis->Get('Q_MAX_SIZE');
         $settings['retention_size'] = $redis->Get('Q_RETENTION_SIZE');
+        $settings['release_format'] = $redis->Get('Q_RELEASE_FORMAT');
       }
       catch (RedisException $e) {
         $_SESSION['return'][] = array(

data/web/lang/lang.en.php

@@ -613,6 +613,9 @@ $lang['admin']['quarantine'] = "Quarantine";
 $lang['admin']['quarantine_retention_size'] = "Retentions per mailbox<br />0 indicates <b>inactive</b>!";
 $lang['admin']['quarantine_max_size'] = "Maximum size in MiB (larger elements are discarded)<br />0 does <b>not</b> indicate unlimited!";
 $lang['admin']['quarantine_exclude_domains'] = "Exclude domains and alias-domains:";
+$lang['admin']['quarantine_release_format'] = "Format of released items:";
+$lang['admin']['quarantine_release_format_raw'] = "Unmodified original";
+$lang['admin']['quarantine_release_format_att'] = "As attachment";
 
 $lang['admin']['ui_texts'] = "UI labels and texts";
 $lang['admin']['help_text'] = "Override help text below login mask (HTML allowed)";

data/web/modals/quarantine.php

@@ -12,7 +12,6 @@ if (!isset($_SESSION['mailcow_cc_role'])) {
         <h3 class="modal-title"><span class="glyphicon glyphicon-info"></span> <?=$lang['quarantine']['qitem'];?></h3>
       </div>
       <div class="modal-body">
-        <?=var_dump($_POST);?>
         <div id="qid_error" style="display:none" class="alert alert-danger"></div>
         <div class="form-group">
           <label for="qid_detail_subj"><h4><?=$lang['quarantine']['subj'];?>:</h4></label>