We use the line to give the support people an indication at which command the error occurred
| public server_parse ( $response, $line ) |
/**
* Replacement or substitute for PHP's mail command
*/
function smtpmail($addresses, $subject, $message, &$err_msg, $headers = '')
{
global $config, $user;
// Fix any bare linefeeds in the message to make it RFC821 Compliant.
$message = preg_replace("#(?<!\r)\n#si", "\r\n", $message);
if ($headers != '') {
if (is_array($headers)) {
$headers = sizeof($headers) > 1 ? join("\n", $headers) : $headers[0];
}
$headers = chop($headers);
// Make sure there are no bare linefeeds in the headers
$headers = preg_replace('#(?<!\\r)\\n#si', "\r\n", $headers);
// Ok this is rather confusing all things considered,
// but we have to grab bcc and cc headers and treat them differently
// Something we really didn't take into consideration originally
$header_array = explode("\r\n", $headers);
$headers = '';
foreach ($header_array as $header) {
if (strpos(strtolower($header), 'cc:') === 0 || strpos(strtolower($header), 'bcc:') === 0) {
$header = '';
}
$headers .= $header != '' ? $header . "\r\n" : '';
}
$headers = chop($headers);
}
if (trim($subject) == '') {
$err_msg = isset($user->lang['NO_EMAIL_SUBJECT']) ? $user->lang['NO_EMAIL_SUBJECT'] : 'No email subject specified';
return false;
}
if (trim($message) == '') {
$err_msg = isset($user->lang['NO_EMAIL_MESSAGE']) ? $user->lang['NO_EMAIL_MESSAGE'] : 'Email message was blank';
return false;
}
$mail_rcpt = $mail_to = $mail_cc = array();
// Build correct addresses for RCPT TO command and the client side display (TO, CC)
if (isset($addresses['to']) && sizeof($addresses['to'])) {
foreach ($addresses['to'] as $which_ary) {
$mail_to[] = $which_ary['name'] != '' ? mail_encode(trim($which_ary['name'])) . ' <' . trim($which_ary['email']) . '>' : '<' . trim($which_ary['email']) . '>';
$mail_rcpt['to'][] = '<' . trim($which_ary['email']) . '>';
}
}
if (isset($addresses['bcc']) && sizeof($addresses['bcc'])) {
foreach ($addresses['bcc'] as $which_ary) {
$mail_rcpt['bcc'][] = '<' . trim($which_ary['email']) . '>';
}
}
if (isset($addresses['cc']) && sizeof($addresses['cc'])) {
foreach ($addresses['cc'] as $which_ary) {
$mail_cc[] = $which_ary['name'] != '' ? mail_encode(trim($which_ary['name'])) . ' <' . trim($which_ary['email']) . '>' : '<' . trim($which_ary['email']) . '>';
$mail_rcpt['cc'][] = '<' . trim($which_ary['email']) . '>';
}
}
$smtp = new smtp_class();
$errno = 0;
$errstr = '';
$smtp->add_backtrace('Connecting to ' . $config['smtp_host'] . ':' . $config['smtp_port']);
// Ok we have error checked as much as we can to this point let's get on it already.
ob_start();
$smtp->socket = fsockopen($config['smtp_host'], $config['smtp_port'], $errno, $errstr, 20);
$error_contents = ob_get_clean();
if (!$smtp->socket) {
if ($errstr) {
$errstr = utf8_convert_message($errstr);
}
$err_msg = isset($user->lang['NO_CONNECT_TO_SMTP_HOST']) ? sprintf($user->lang['NO_CONNECT_TO_SMTP_HOST'], $errno, $errstr) : "Could not connect to smtp host : {$errno} : {$errstr}";
$err_msg .= $error_contents ? '<br /><br />' . htmlspecialchars($error_contents) : '';
return false;
}
// Wait for reply
if ($err_msg = $smtp->server_parse('220', __LINE__)) {
$smtp->close_session($err_msg);
return false;
}
// Let me in. This function handles the complete authentication process
if ($err_msg = $smtp->log_into_server($config['smtp_host'], $config['smtp_username'], $config['smtp_password'], $config['smtp_auth_method'])) {
$smtp->close_session($err_msg);
return false;
}
// From this point onward most server response codes should be 250
// Specify who the mail is from....
$smtp->server_send('MAIL FROM:<' . $config['board_email'] . '>');
if ($err_msg = $smtp->server_parse('250', __LINE__)) {
$smtp->close_session($err_msg);
return false;
}
// Specify each user to send to and build to header.
$to_header = implode(', ', $mail_to);
$cc_header = implode(', ', $mail_cc);
// Now tell the MTA to send the Message to the following people... [TO, BCC, CC]
$rcpt = false;
foreach ($mail_rcpt as $type => $mail_to_addresses) {
foreach ($mail_to_addresses as $mail_to_address) {
// Add an additional bit of error checking to the To field.
if (preg_match('#[^ ]+\\@[^ ]+#', $mail_to_address)) {
$smtp->server_send("RCPT TO:{$mail_to_address}");
if ($err_msg = $smtp->server_parse('250', __LINE__)) {
// We continue... if users are not resolved we do not care
if ($smtp->numeric_response_code != 550) {
$smtp->close_session($err_msg);
return false;
}
} else {
$rcpt = true;
}
}
}
}
// We try to send messages even if a few people do not seem to have valid email addresses, but if no one has, we have to exit here.
if (!$rcpt) {
$user->session_begin();
$err_msg .= '<br /><br />';
$err_msg .= isset($user->lang['INVALID_EMAIL_LOG']) ? sprintf($user->lang['INVALID_EMAIL_LOG'], htmlspecialchars($mail_to_address)) : '<strong>' . htmlspecialchars($mail_to_address) . '</strong> possibly an invalid email address?';
$smtp->close_session($err_msg);
return false;
}
// Ok now we tell the server we are ready to start sending data
$smtp->server_send('DATA');
// This is the last response code we look for until the end of the message.
if ($err_msg = $smtp->server_parse('354', __LINE__)) {
$smtp->close_session($err_msg);
return false;
}
// Send the Subject Line...
$smtp->server_send("Subject: {$subject}");
// Now the To Header.
$to_header = $to_header == '' ? 'undisclosed-recipients:;' : $to_header;
$smtp->server_send("To: {$to_header}");
// Now the CC Header.
if ($cc_header != '') {
$smtp->server_send("CC: {$cc_header}");
}
// Now any custom headers....
$smtp->server_send("{$headers}\r\n");
// Ok now we are ready for the message...
$smtp->server_send($message);
// Ok the all the ingredients are mixed in let's cook this puppy...
$smtp->server_send('.');
if ($err_msg = $smtp->server_parse('250', __LINE__)) {
$smtp->close_session($err_msg);
return false;
}
// Now tell the server we are done and close the socket...
$smtp->server_send('QUIT');
$smtp->close_session($err_msg);
return true;
}
