/**
* Read a reply from the SMTP server. The reply consists of a response
* code and a response message.
*
* @param mixed $valid The set of valid response codes. These
* may be specified as an array of integer
* values or as a single integer value.
*
* @return mixed True if the server returned a valid response code or
* a PEAR_Error object is an error condition is reached.
*
* @access private
* @since 1.1.0
*
* @see getResponse
*/
function _parseResponse($valid)
{
$this->_code = -1;
$this->_arguments = array();
while ($line = $this->_socket->readLine()) {
if ($this->_debug) {
echo "DEBUG: Recv: $line\n";
}
/* If we receive an empty line, the connection has been closed. */
if (empty($line)) {
$this->disconnect();
return PEAR::raiseError('Connection was unexpectedly closed');
}
/* Read the code and store the rest in the arguments array. */
$code = substr($line, 0, 3);
$this->_arguments[] = trim(substr($line, 4));
/* Check the syntax of the response code. */
if (is_numeric($code)) {
$this->_code = (int)$code;
} else {
$this->_code = -1;
break;
}
/* If this is not a multiline response, we're done. */
if (substr($line, 3, 1) != '-') {
break;
}
}
/* Compare the server's response code with the valid code. */
if (is_int($valid) && ($this->_code === $valid)) {
return true;
}
/* If we were given an array of valid response codes, check each one. */
if (is_array($valid)) {
foreach ($valid as $valid_code) {
if ($this->_code === $valid_code) {
return true;
}
}
}
return PEAR::raiseError('Invalid response code received from server',
$this->_code);
}
/**
* Read a response from the server and see if the response code
* matches what we are expecting. Also save the rest of the
* response in the array passed by reference as the second
* argument.
*
* @param int The response code we are expecting.
* @param array An array to dump the rest of the response into.
*
* @return boolean True if we get what we expect, false otherwise.
* @access private
*/
function validateAndParseResponse($code, &$arguments)
{
$arguments = array();
while ($this->lastline = $this->socket->readLine()) {
$reply_code = strtok($this->lastline, ' ');
if (!strcmp($code, $reply_code)) {
$arguments[] = substr($this->lastline, strlen($code) + 1, strlen($this->lastline) - strlen($code) - 1);
$this->code = $reply_code;
return true;
} else {
$reply_code = strtok($this->lastline, '-');
if (strcmp($code, $reply_code)) {
$this->code = $reply_code;
return false;
}
}
$arguments[] = substr($this->lastline, strlen($code) + 1, strlen($this->lastline) - strlen($code) - 1);
}
return false;
}
/**
* Read a reply from the SMTP server. The reply consists of a response
* code and a response message.
*
* @param mixed $valid The set of valid response codes. These
* may be specified as an array of integer
* values or as a single integer value.
* @param bool $later Do not parse the response now, but wait
* until the last command in the pipelined
* command group
*
* @return mixed True if the server returned a valid response code or
* a PEAR_Error object is an error condition is reached.
*
* @since 1.1.0
*
* @see getResponse
*/
protected function parseResponse($valid, $later = false)
{
$this->code = -1;
$this->arguments = array();
if ($later) {
$this->pipelined_commands++;
return true;
}
for ($i = 0; $i <= $this->pipelined_commands; $i++) {
while ($line = $this->socket->readLine()) {
$this->debug("Recv: {$line}");
/* If we receive an empty line, the connection was closed. */
if (empty($line)) {
$this->disconnect();
return PEAR::raiseError('Connection was closed');
}
/* Read the code and store the rest in the arguments array. */
$code = substr($line, 0, 3);
$this->arguments[] = trim(substr($line, 4));
/* Check the syntax of the response code. */
if (is_numeric($code)) {
$this->code = (int) $code;
} else {
$this->code = -1;
break;
}
/* If this is not a multiline response, we're done. */
if (substr($line, 3, 1) != '-') {
break;
}
}
}
$this->pipelined_commands = 0;
/* Compare the server's response code with the valid code/codes. */
if (is_int($valid) && $this->code === $valid) {
return true;
} elseif (is_array($valid) && in_array($this->code, $valid, true)) {
return true;
}
return PEAR::raiseError('Invalid response code received from server', $this->code);
}
/**
* Read a reply from the SMTP server. The reply consists of a response
* code and a response message.
*
* @param mixed $valid The set of valid response codes. These
* may be specified as an array of integer
* values or as a single integer value.
* @param bool $later Do not parse the response now, but wait
* until the last command in the pipelined
* command group
*
* @return mixed True if the server returned a valid response code or
* a PEAR_Error object is an error condition is reached.
*
* @access private
* @since 1.1.0
*
* @see getResponse
*/
function _parseResponse($valid, $later = false)
{
$this->_code = -1;
$this->_arguments = array();
if ($later) {
$this->_pipelined_commands++;
return true;
}
for ($i = 0; $i <= $this->_pipelined_commands; $i++) {
while ($line = $this->_socket->readLine()) {
$this->_debug("Recv: {$line}");
/* If we receive an empty line, the connection was closed. */
if (empty($line)) {
$this->disconnect();
return PEAR::raiseError('Connection was closed', null, PEAR_ERROR_RETURN);
}
/* Read the code and store the rest in the arguments array. */
$code = substr($line, 0, 3);
$this->_arguments[] = trim(substr($line, 4));
/* Check the syntax of the response code. */
if (is_numeric($code)) {
$this->_code = (int) $code;
} else {
$this->_code = -1;
break;
}
/* If this is not a multiline response, we're done. */
if (substr($line, 3, 1) != '-') {
break;
}
}
}
$this->_pipelined_commands = 0;
/* Compare the server's response code with the valid code/codes. */
if (is_int($valid) && $this->_code === $valid) {
return true;
} elseif (is_array($valid) && in_array($this->_code, $valid, true)) {
return true;
}
// CRM-8744
$errorMessage = 'Invalid response code received from SMTP server while sending email. This is often caused by a misconfiguration in Outbound Email settings. Please verify the settings at Administer CiviCRM >> Global Settings >> Outbound Email (SMTP).';
return PEAR::raiseError($errorMessage, $this->_code, PEAR_ERROR_RETURN);
}
/**
* Read a reply from the SMTP server. The reply consists of a response
* code and a response message.
*
* @param mixed $valid The set of valid response codes. These
* may be specified as an array of integer
* values or as a single integer value.
* @param bool $later Do not parse the response now, but wait
* until the last command in the pipelined
* command group
*
* @return mixed True if the server returned a valid response code or
* a PEAR_Error object is an error condition is reached.
*
* @access private
* @since 1.1.0
*
* @see getResponse
*/
function _parseResponse($valid, $later = false)
{
$this->_code = -1;
$this->_arguments = array();
if ($later) {
$this->_pipelined_commands++;
return true;
}
for ($i = 0; $i <= $this->_pipelined_commands; $i++) {
while ($line = $this->_socket->readLine()) {
$this->_debug("Recv: {$line}");
/* If we receive an empty line, the connection has been closed. */
if (empty($line)) {
$this->disconnect();
return PEAR::raiseError('Connection was unexpectedly closed');
}
/* Read the code and store the rest in the arguments array. */
$code = substr($line, 0, 3);
$this->_arguments[] = trim(substr($line, 4));
/* Check the syntax of the response code. */
if (is_numeric($code)) {
$this->_code = (int) $code;
} else {
$this->_code = -1;
break;
}
/* If this is not a multiline response, we're done. */
if (substr($line, 3, 1) != '-') {
break;
}
}
}
$this->_pipelined_commands = 0;
/* Server response code 553 => Requested action not taken-Mailbox name invalid.
* Server response code 503 => Bad sequence of commands.
*/
if ($this->_code == 553 || $this->_code == 503 || $this->_code == 501) {
return PEAR::raiseError('recipient is not recognized');
}
/* Compare the server's response code with the valid code/codes. */
if (is_int($valid) && $this->_code === $valid) {
return true;
} elseif (is_array($valid) && in_array($this->_code, $valid, true)) {
return true;
}
/* 535: Authentication failed */
if ($this->_code == 535) {
$this->disconnect();
return PEAR::raiseError('Authentication failed.');
}
$errorMessage = 'Invalid response code received from SMTP (outbound mail) server while attempting to send email. This is often caused by a misconfiguration in the CiviCRM Outbound Email settings. Please verify the settings at Administer CiviCRM >> Global Settings >> Outbound Email (SMTP).';
return PEAR::raiseError($errorMessage);
}
