$log->addLine("Checking mail for user : {$oneUserDir}");
// process all emails in Maildir/new directory
foreach (scandir($oneUserDirPath . "/Maildir/new/") as $oneEmail) {
$oneEmailPath = $oneUserDirPath . "/Maildir/new/" . $oneEmail;
if (is_file($oneEmailPath)) {
// Reading return address
$emailFile = file($oneEmailPath);
unset($address);
unset($returnpath);
foreach ($emailFile as $line) {
$line = trim($line);
if (!isset($returnpath) && substr($line, 0, 12) == 'Return-Path:') {
$returnpath = extract_email($line);
}
if (!isset($address) && substr($line, 0, 5) == 'From:' && strstr($line, "@")) {
$address = extract_email($line);
}
if (!isset($subject) && substr($line, 0, 8) == 'Subject:') {
$subject = substr($line, strpos($line, ':') + 1);
}
}
if (!filter_var($address, FILTER_VALIDATE_EMAIL)) {
// $log->addLine("Invalid From address: $address");
if (filter_var($returnpath, FILTER_VALIDATE_EMAIL)) {
$address = $returnpath;
} else {
$log->addLine("Invalid Reply-To address: {$returnpath}");
}
}
// skip email if there is no properly formatted return address
if (!filter_var($address, FILTER_VALIDATE_EMAIL)) {
/**
* Save mail callback
* Accepts an email received from a client during the DATA command.
* This email is processed, the recipient host is verified, the body is
* decoded, then saved to the database.
* This is an example save mail function.
* Of course, yours can be better! Eg. add buffered writes, place email on message queue, encryption, etc
*
* @param string $email
* @param $rcpt_to
* @param $helo
* @param $helo_ip
*
* @return array, with the following elements array($hash, $recipient)
* where the $hash is a unique id for this email.
*/
function my_save_email($email, $rcpt_to, $helo, $helo_ip)
{
global $GM_ERROR;
$mimemail = null;
$hash = '';
$email .= "\r\n";
list($to, $from, $subject) = get_email_headers($email, array('To', 'From', 'Subject'));
$rcpt_to = extract_rcpt_email($rcpt_to);
$from = extract_email($from);
list($mail_user, $mail_host) = explode('@', $rcpt_to);
if (is_host_allowed($mail_host)) {
$db = get_db_link();
if ($db === false) {
// could not get a db connection
$GM_ERROR = 'could not get a db connection';
return array(false, false);
}
$to = $mail_user . '@' . GM_PRIMARY_MAIL_HOST;
// change it to the primary host
if (GSMTP_VERIFY_USERS) {
// Here we can verify that the recipient is actually in the database.
// Note that guerrillamail.com does not do this - you can send email
// to a non-existing email address, and set to this email later.
// just an example:
if (array_pop(explode('@', $to)) !== 'sharklasers.com') {
// check the user against our user database
$user = array_shift(explode('@', $to));
$sql = "SELECT * FROM `gm2_address` WHERE `address_email`=" . $db->quote($user . '@guerrillamailblock.com') . " ";
$stmt = $db->query($sql);
if ($stmt->rowCount() == 0) {
$GM_ERROR = 'could not verify user';
return false;
// no such address
}
}
}
$hash = md5($to . $from . $subject . microtime());
// add 'received' headers
$add_head = '';
$add_head .= "Delivered-To: " . $to . "\r\n";
$add_head .= "Received: from " . $helo . " (" . $helo . " [" . $helo_ip . "])\r\n";
$add_head .= "\tby " . GSMTP_HOST_NAME . " with SMTP id " . $hash . "@" . GSMTP_HOST_NAME . ";\r\n";
$add_head .= "\t" . gmdate('r') . "\r\n";
$email = $add_head . $email;
$body = 'gzencode';
$charset = '';
$has_attach = '';
$content_type = '';
$email = gzcompress($email, 6);
$redis = getRedis();
if (is_object($redis)) {
// send it of to Redis
try {
if ($redis->setex($hash, 3600, $email) === true) {
$body = 'redis';
$email = '';
//log_line("saved to redis $hash $to");
} else {
log_line("save failed");
}
} catch (\RedisException $e) {
log_line("redis exeption" . var_dump($e, true));
}
} else {
log_line("no redis for you\n");
}
$sql = "INSERT INTO " . GM_MAIL_TABLE . " (\n `date`,\n `to`,\n `from`,\n `subject`,\n `body`,\n `charset`,\n `mail`,\n `spam_score`,\n `hash`,\n `content_type`,\n `recipient`,\n `has_attach`,\n `ip_addr`\n )\n VALUES (\n '" . gmdate('Y-m-d H:i:s') . "',\n " . $db->quote($to) . ",\n " . $db->quote($from) . ",\n " . $db->quote($subject) . ",\n " . $db->quote($body) . ",\n " . $db->quote($charset) . ",\n " . $db->quote($email) . ",\n 0 " . ",\n " . $db->quote($hash) . ",\n " . $db->quote($content_type) . ",\n " . $db->quote($to) . ",\n " . $db->quote($has_attach) . ",\n " . $db->quote($helo_ip) . "\n ) ";
try {
$db->query($sql);
$id = $db->lastInsertId();
if ($id) {
$sql = "UPDATE\n gm2_setting\n SET\n `setting_value` = `setting_value`+1\n WHERE\n `setting_name`='received_emails'\n LIMIT 1";
$db->query($sql);
}
} catch (\PDOException $e) {
$GM_ERROR = 'save error ' . $e->getMessage();
log_line('Failed to save email From:' . $from . ' To:' . $to . ' ' . $e->getMessage() . ' ' . $sql, 1);
}
} else {
$GM_ERROR = " -{$mail_host}- not in allowed hosts:" . $mail_host . " ";
}
return array($hash, $to);
}
