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<?php
if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
/*********************************************************************************
* SugarCRM Community Edition is a customer relationship management program developed by
* SugarCRM, Inc. Copyright (C) 2004-2012 SugarCRM Inc.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License version 3 as published by the
* Free Software Foundation with the addition of the following permission added
* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
* IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
* details.
*
* You should have received a copy of the GNU Affero General Public License along with
* this program; if not, see http://www.gnu.org/licenses or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*
* You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
* SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License version 3.
*
* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* SugarCRM" logo. If the display of the logo is not reasonably feasible for
* technical reasons, the Appropriate Legal Notices must display the words
* "Powered by SugarCRM".
********************************************************************************/
/*********************************************************************************
* Description:
********************************************************************************/
//find all mailboxes of type bounce.
/**
* Retrieve the attached error report for a bounced email if it exists.
*
* @param Email $email
* @return string
*/
function retrieveErrorReportAttachment($email)
{
$contents = "";
$query = "SELECT description FROM notes WHERE file_mime_type = 'messsage/rfc822' AND parent_type='Emails' AND parent_id = '".$email->id."' AND deleted=0";
$rs = $GLOBALS['db']->query($query);
while ($row = $GLOBALS['db']->fetchByAssoc($rs))
$contents .= $row['description'];
return $contents;
}
/**
* Create a bounced log campaign entry
*
* @param array $row
* @param Email $email
* @param string $email_description
* @return string
*/
function createBouncedCampaignLogEntry($row,$email, $email_description)
{
$GLOBALS['log']->debug("Creating bounced email campaign log");
$bounce = new CampaignLog();
$bounce->campaign_id=$row['campaign_id'];
$bounce->target_tracker_key=$row['target_tracker_key'];
$bounce->target_id= $row['target_id'];
$bounce->target_type=$row['target_type'];
$bounce->list_id=$row['list_id'];
$bounce->marketing_id=$row['marketing_id'];
$bounce->activity_date=$email->date_created;
$bounce->related_type='Emails';
$bounce->related_id= $email->id;
//do we have the phrase permanent error in the email body.
if (preg_match('/permanent[ ]*error/',$email_description))
{
$bounce->activity_type='invalid email';
markEmailAddressInvalid($email);
}
else
$bounce->activity_type='send error';
$return_id=$bounce->save();
return $return_id;
}
/**
* Given an email address, mark it as invalid.
*
* @param $email_address
*/
function markEmailAddressInvalid($email_address)
{
if(empty($email_address))
return;
$sea = new SugarEmailAddress();
$rs = $sea->retrieve_by_string_fields( array('email_address_caps' => trim(strtoupper($email_address))) );
if($rs != null)
$sea->AddUpdateEmailAddress($email_address, 1,0);
}
/**
* Get the existing campaign log entry by tracker key.
*
* @param string Target Key
* @return array Campaign Log Row
*/
function getExistingCampaignLogEntry($identifier)
{
$row = FALSE;
$targeted = new CampaignLog();
$where="campaign_log.activity_type='targeted' and campaign_log.target_tracker_key='{$identifier}'";
$query=$targeted->create_new_list_query('',$where);
$result=$targeted->db->query($query);
$row=$targeted->db->fetchByAssoc($result);
return $row;
}
/**
* Scan the bounced email searching for a valid target identifier.
*
* @param string Email Description
* @return array Results including matches and identifier
*/
function checkBouncedEmailForIdentifier($email_description)
{
$matches = array();
$identifiers = array();
$found = FALSE;
//Check if the identifier is present in the header.
if(preg_match('/X-CampTrackID: [a-z0-9\-]*/',$email_description,$matches))
{
$identifiers = preg_split('/X-CampTrackID: /',$matches[0],-1,PREG_SPLIT_NO_EMPTY);
$found = TRUE;
$GLOBALS['log']->debug("Found campaign identifier in header of email");
}
else if( preg_match('/index.php\?entryPoint=removeme&identifier=[a-z0-9\-]*/',$email_description, $matches) )
{
$identifiers = preg_split('/index.php\?entryPoint=removeme&identifier=/',$matches[0],-1,PREG_SPLIT_NO_EMPTY);
$found = TRUE;
$GLOBALS['log']->debug("Found campaign identifier in body of email");
}
return array('found' => $found, 'matches' => $matches, 'identifiers' => $identifiers);
}
function campaign_process_bounced_emails(&$email, &$email_header)
{
global $sugar_config;
$emailFromAddress = $email_header->fromaddress;
$email_description = $email->raw_source;
//if raw_source is empty, try using the description instead
if (empty($email_description)){
$email_description = $email->description;
}
$email_description .= retrieveErrorReportAttachment($email);
if (preg_match('/MAILER-DAEMON|POSTMASTER/i',$emailFromAddress))
{
$email_description=quoted_printable_decode($email_description);
$matches=array();
//do we have the identifier tag in the email?
$identifierScanResults = checkBouncedEmailForIdentifier($email_description);
if ( $identifierScanResults['found'] )
{
$matches = $identifierScanResults['matches'];
$identifiers = $identifierScanResults['identifiers'];
if (!empty($identifiers))
{
//array should have only one element in it.
$identifier = trim($identifiers[0]);
$row = getExistingCampaignLogEntry($identifier);
//Found entry
if (!empty($row))
{
//do not create another campaign_log record is we already have an
//invalid email or send error entry for this tracker key.
$query_log = "select * from campaign_log where target_tracker_key='{$row['target_tracker_key']}'";
$query_log .=" and (activity_type='invalid email' or activity_type='send error')";
$targeted = new CampaignLog();
$result_log=$targeted->db->query($query_log);
$row_log=$targeted->db->fetchByAssoc($result_log);
if (empty($row_log))
{
$return_id = createBouncedCampaignLogEntry($row, $email, $email_description);
return TRUE;
}
else
{
$GLOBALS['log']->debug("Warning: campaign log entry already exists for identifier $identifier");
return FALSE;
}
}
else
{
$GLOBALS['log']->info("Warning: skipping bounced email with this tracker_key(identifier) in the message body: ".$identifier);
return FALSE;
}
}
else
{
$GLOBALS['log']->info("Warning: Empty identifier for campaign log.");
return FALSE;
}
}
else
{
$GLOBALS['log']->info("Warning: skipping bounced email because it does not have the removeme link.");
return FALSE;
}
}
else
{
$GLOBALS['log']->info("Warning: skipping bounced email because the sender is not MAILER-DAEMON.");
return FALSE;
}
}
?>
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