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/**

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* Provide an instance to use for SMTP operations.

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* @return SMTP

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public function setSMTPInstance(SMTP $smtp)

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{

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$this->smtp = $smtp;

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return $this->smtp;

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}

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/**

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* Provide SMTP XCLIENT attributes

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* @param string $name Attribute name

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* @param ?string $value Attribute value

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* @return bool

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public function setSMTPXclientAttribute($name, $value)

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{

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if (!in_array($name, SMTP::$xclient_allowed_attributes)) {

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return false;

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}

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if (isset($this->SMTPXClient[$name]) && $value === null) {

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unset($this->SMTPXClient[$name]);

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} elseif ($value !== null) {

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$this->SMTPXClient[$name] = $value;

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}

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return true;

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}

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/**

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* Get SMTP XCLIENT attributes

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* @return array

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public function getSMTPXclientAttributes()

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{

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return $this->SMTPXClient;

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}

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/**

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* Send mail via SMTP.

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* Returns false if there is a bad MAIL FROM, RCPT, or DATA input.

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* @see PHPMailer::setSMTPInstance() to use a different class.

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* @uses \PHPMailer\PHPMailer\SMTP

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* @param string $header The message headers

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* @param string $body The message body

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* @throws Exception

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* @return bool

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protected function smtpSend($header, $body)

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{

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$header = static::stripTrailingWSP($header) . static::$LE . static::$LE;

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$bad_rcpt = [];

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if (!$this->smtpConnect($this->SMTPOptions)) {

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throw new Exception($this->lang('smtp_connect_failed'), self::STOP_CRITICAL);

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}

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//Sender already validated in preSend()

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if ('' === $this->Sender) {

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$smtp_from = $this->From;

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} else {

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$smtp_from = $this->Sender;

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}

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if (count($this->SMTPXClient)) {

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$this->smtp->xclient($this->SMTPXClient);

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}

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if (!$this->smtp->mail($smtp_from)) {

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$this->setError($this->lang('from_failed') . $smtp_from . ' : ' . implode(',', $this->smtp->getError()));

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throw new Exception($this->ErrorInfo, self::STOP_CRITICAL);

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}

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$callbacks = [];

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//Attempt to send to all recipients

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foreach ([$this->to, $this->cc, $this->bcc] as $togroup) {

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foreach ($togroup as $to) {

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if (!$this->smtp->recipient($to[0], $this->dsn)) {

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$error = $this->smtp->getError();

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$bad_rcpt[] = ['to' => $to[0], 'error' => $error['detail']];

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$isSent = false;

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} else {

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$isSent = true;

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}

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$callbacks[] = ['issent' => $isSent, 'to' => $to[0], 'name' => $to[1]];

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}

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}

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//Only send the DATA command if we have viable recipients

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if ((count($this->all_recipients) > count($bad_rcpt)) && !$this->smtp->data($header . $body)) {

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throw new Exception($this->lang('data_not_accepted'), self::STOP_CRITICAL);

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}

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$smtp_transaction_id = $this->smtp->getLastTransactionID();

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if ($this->SMTPKeepAlive) {

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$this->smtp->reset();

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} else {

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$this->smtp->quit();

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$this->smtp->close();

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}

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foreach ($callbacks as $cb) {

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$this->doCallback(

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$cb['issent'],

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[[$cb['to'], $cb['name']]],

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[],

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[],

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$this->Subject,

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$body,

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$this->From,

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['smtp_transaction_id' => $smtp_transaction_id]

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);

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}

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//Create error message for any bad addresses

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if (count($bad_rcpt) > 0) {

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$errstr = '';

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foreach ($bad_rcpt as $bad) {

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$errstr .= $bad['to'] . ': ' . $bad['error'];

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}

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throw new Exception($this->lang('recipients_failed') . $errstr, self::STOP_CONTINUE);

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}

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return true;

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}

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/**

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* Initiate a connection to an SMTP server.

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* Returns false if the operation failed.

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* @param array $options An array of options compatible with stream_context_create()

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* @throws Exception

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* @uses \PHPMailer\PHPMailer\SMTP

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* @return bool

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public function smtpConnect($options = null)

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{

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if (null === $this->smtp) {

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$this->smtp = $this->getSMTPInstance();

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}

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//If no options are provided, use whatever is set in the instance

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if (null === $options) {

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$options = $this->SMTPOptions;

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}

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//Already connected?

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if ($this->smtp->connected()) {

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return true;

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}

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$this->smtp->setTimeout($this->Timeout);

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$this->smtp->setDebugLevel($this->SMTPDebug);

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$this->smtp->setDebugOutput($this->Debugoutput);

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$this->smtp->setVerp($this->do_verp);

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if ($this->Host === null) {

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$this->Host = 'localhost';

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}

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$hosts = explode(';', $this->Host);

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$lastexception = null;

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foreach ($hosts as $hostentry) {

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$hostinfo = [];

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if (

[2175] Fix | Delete

!preg_match(

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'/^(?:(ssl|tls):\/\/)?(.+?)(?::(\d+))?$/',

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trim($hostentry),

[2178] Fix | Delete

$hostinfo

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)

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) {

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$this->edebug($this->lang('invalid_hostentry') . ' ' . trim($hostentry));

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//Not a valid host entry

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continue;

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}

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//$hostinfo[1]: optional ssl or tls prefix

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//$hostinfo[2]: the hostname

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//$hostinfo[3]: optional port number

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//The host string prefix can temporarily override the current setting for SMTPSecure

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//If it's not specified, the default value is used

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//Check the host name is a valid name or IP address before trying to use it

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if (!static::isValidHost($hostinfo[2])) {

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$this->edebug($this->lang('invalid_host') . ' ' . $hostinfo[2]);

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continue;

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}

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$prefix = '';

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$secure = $this->SMTPSecure;

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$tls = (static::ENCRYPTION_STARTTLS === $this->SMTPSecure);

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if ('ssl' === $hostinfo[1] || ('' === $hostinfo[1] && static::ENCRYPTION_SMTPS === $this->SMTPSecure)) {

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$prefix = 'ssl://';

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$tls = false; //Can't have SSL and TLS at the same time

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$secure = static::ENCRYPTION_SMTPS;

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} elseif ('tls' === $hostinfo[1]) {

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$tls = true;

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//TLS doesn't use a prefix

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$secure = static::ENCRYPTION_STARTTLS;

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}

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//Do we need the OpenSSL extension?

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$sslext = defined('OPENSSL_ALGO_SHA256');

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if (static::ENCRYPTION_STARTTLS === $secure || static::ENCRYPTION_SMTPS === $secure) {

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//Check for an OpenSSL constant rather than using extension_loaded, which is sometimes disabled

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if (!$sslext) {

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throw new Exception($this->lang('extension_missing') . 'openssl', self::STOP_CRITICAL);

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}

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}

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$host = $hostinfo[2];

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$port = $this->Port;

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if (

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array_key_exists(3, $hostinfo) &&

[2220] Fix | Delete

is_numeric($hostinfo[3]) &&

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$hostinfo[3] > 0 &&

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$hostinfo[3] < 65536

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) {

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$port = (int) $hostinfo[3];

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}

[2226] Fix | Delete

if ($this->smtp->connect($prefix . $host, $port, $this->Timeout, $options)) {

[2227] Fix | Delete

try {

[2228] Fix | Delete

if ($this->Helo) {

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$hello = $this->Helo;

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} else {

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$hello = $this->serverHostname();

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}

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$this->smtp->hello($hello);

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//Automatically enable TLS encryption if:

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//* it's not disabled

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//* we are not connecting to localhost

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//* we have openssl extension

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//* we are not already using SSL

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//* the server offers STARTTLS

[2240] Fix | Delete

if (

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$this->SMTPAutoTLS &&

[2242] Fix | Delete

$this->Host !== 'localhost' &&

[2243] Fix | Delete

$sslext &&

[2244] Fix | Delete

$secure !== 'ssl' &&

[2245] Fix | Delete

$this->smtp->getServerExt('STARTTLS')

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) {

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$tls = true;

[2248] Fix | Delete

}

[2249] Fix | Delete

if ($tls) {

[2250] Fix | Delete

if (!$this->smtp->startTLS()) {

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$message = $this->getSmtpErrorMessage('connect_host');

[2252] Fix | Delete

throw new Exception($message);

[2253] Fix | Delete

}

[2254] Fix | Delete

//We must resend EHLO after TLS negotiation

[2255] Fix | Delete

$this->smtp->hello($hello);

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}

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if (

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$this->SMTPAuth && !$this->smtp->authenticate(

[2259] Fix | Delete

$this->Username,

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$this->Password,

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$this->AuthType,

[2262] Fix | Delete

$this->oauth

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)

[2264] Fix | Delete

) {

[2265] Fix | Delete

throw new Exception($this->lang('authenticate'));

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}

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[2268] Fix | Delete

return true;

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} catch (Exception $exc) {

[2270] Fix | Delete

$lastexception = $exc;

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$this->edebug($exc->getMessage());

[2272] Fix | Delete

//We must have connected, but then failed TLS or Auth, so close connection nicely

[2273] Fix | Delete

$this->smtp->quit();

[2274] Fix | Delete

}

[2275] Fix | Delete

}

[2276] Fix | Delete

}

[2277] Fix | Delete

//If we get here, all connection attempts have failed, so close connection hard

[2278] Fix | Delete

$this->smtp->close();

[2279] Fix | Delete

//As we've caught all exceptions, just report whatever the last one was

[2280] Fix | Delete

if ($this->exceptions && null !== $lastexception) {

[2281] Fix | Delete

throw $lastexception;

[2282] Fix | Delete

}

[2283] Fix | Delete

if ($this->exceptions) {

[2284] Fix | Delete

// no exception was thrown, likely $this->smtp->connect() failed

[2285] Fix | Delete

$message = $this->getSmtpErrorMessage('connect_host');

[2286] Fix | Delete

throw new Exception($message);

[2287] Fix | Delete

}

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[2289] Fix | Delete

return false;

[2290] Fix | Delete

}

[2291] Fix | Delete

[2292] Fix | Delete

/**

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* Close the active SMTP session if one exists.

[2294] Fix | Delete

[2295] Fix | Delete

public function smtpClose()

[2296] Fix | Delete

{

[2297] Fix | Delete

if ((null !== $this->smtp) && $this->smtp->connected()) {

[2298] Fix | Delete

$this->smtp->quit();

[2299] Fix | Delete

$this->smtp->close();

[2300] Fix | Delete

}

[2301] Fix | Delete

}

[2302] Fix | Delete

[2303] Fix | Delete

/**

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* Set the language for error messages.

[2305] Fix | Delete

* The default language is English.

[2306] Fix | Delete

[2307] Fix | Delete

* @param string $langcode ISO 639-1 2-character language code (e.g. French is "fr")

[2308] Fix | Delete

* Optionally, the language code can be enhanced with a 4-character

[2309] Fix | Delete

* script annotation and/or a 2-character country annotation.

[2310] Fix | Delete

* @param string $lang_path Path to the language file directory, with trailing separator (slash)

[2311] Fix | Delete

* Do not set this from user input!

[2312] Fix | Delete

[2313] Fix | Delete

* @return bool Returns true if the requested language was loaded, false otherwise.

[2314] Fix | Delete

[2315] Fix | Delete

public function setLanguage($langcode = 'en', $lang_path = '')

[2316] Fix | Delete

{

[2317] Fix | Delete

//Backwards compatibility for renamed language codes

[2318] Fix | Delete

$renamed_langcodes = [

[2319] Fix | Delete

'br' => 'pt_br',

[2320] Fix | Delete

'cz' => 'cs',

[2321] Fix | Delete

'dk' => 'da',

[2322] Fix | Delete

'no' => 'nb',

[2323] Fix | Delete

'se' => 'sv',

[2324] Fix | Delete

'rs' => 'sr',

[2325] Fix | Delete

'tg' => 'tl',

[2326] Fix | Delete

'am' => 'hy',

[2327] Fix | Delete

];

[2328] Fix | Delete

[2329] Fix | Delete

if (array_key_exists($langcode, $renamed_langcodes)) {

[2330] Fix | Delete

$langcode = $renamed_langcodes[$langcode];

[2331] Fix | Delete

}

[2332] Fix | Delete

[2333] Fix | Delete

//Define full set of translatable strings in English

[2334] Fix | Delete

$PHPMAILER_LANG = [

[2335] Fix | Delete

'authenticate' => 'SMTP Error: Could not authenticate.',

[2336] Fix | Delete

'buggy_php' => 'Your version of PHP is affected by a bug that may result in corrupted messages.' .

[2337] Fix | Delete

' To fix it, switch to sending using SMTP, disable the mail.add_x_header option in' .

[2338] Fix | Delete

' your php.ini, switch to MacOS or Linux, or upgrade your PHP to version 7.0.17+ or 7.1.3+.',

[2339] Fix | Delete

'connect_host' => 'SMTP Error: Could not connect to SMTP host.',

[2340] Fix | Delete

'data_not_accepted' => 'SMTP Error: data not accepted.',

[2341] Fix | Delete

'empty_message' => 'Message body empty',

[2342] Fix | Delete

'encoding' => 'Unknown encoding: ',

[2343] Fix | Delete

'execute' => 'Could not execute: ',

[2344] Fix | Delete

'extension_missing' => 'Extension missing: ',

[2345] Fix | Delete

'file_access' => 'Could not access file: ',

[2346] Fix | Delete

'file_open' => 'File Error: Could not open file: ',

[2347] Fix | Delete

'from_failed' => 'The following From address failed: ',

[2348] Fix | Delete

'instantiate' => 'Could not instantiate mail function.',

[2349] Fix | Delete

'invalid_address' => 'Invalid address: ',

[2350] Fix | Delete

'invalid_header' => 'Invalid header name or value',

[2351] Fix | Delete

'invalid_hostentry' => 'Invalid hostentry: ',

[2352] Fix | Delete

'invalid_host' => 'Invalid host: ',

[2353] Fix | Delete

'mailer_not_supported' => ' mailer is not supported.',

[2354] Fix | Delete

'provide_address' => 'You must provide at least one recipient email address.',

[2355] Fix | Delete

'recipients_failed' => 'SMTP Error: The following recipients failed: ',

[2356] Fix | Delete

'signing' => 'Signing Error: ',

[2357] Fix | Delete

'smtp_code' => 'SMTP code: ',

[2358] Fix | Delete

'smtp_code_ex' => 'Additional SMTP info: ',

[2359] Fix | Delete

'smtp_connect_failed' => 'SMTP connect() failed.',

[2360] Fix | Delete

'smtp_detail' => 'Detail: ',

[2361] Fix | Delete

'smtp_error' => 'SMTP server error: ',

[2362] Fix | Delete

'variable_set' => 'Cannot set or reset variable: ',

[2363] Fix | Delete

];

[2364] Fix | Delete

if (empty($lang_path)) {

[2365] Fix | Delete

//Calculate an absolute path so it can work if CWD is not here

[2366] Fix | Delete

$lang_path = dirname(__DIR__) . DIRECTORY_SEPARATOR . 'language' . DIRECTORY_SEPARATOR;

[2367] Fix | Delete

}

[2368] Fix | Delete

[2369] Fix | Delete

//Validate $langcode

[2370] Fix | Delete

$foundlang = true;

[2371] Fix | Delete

$langcode = strtolower($langcode);

[2372] Fix | Delete

if (

[2373] Fix | Delete

!preg_match('/^(?P<lang>[a-z]{2})(?P<script>_[a-z]{4})?(?P<country>_[a-z]{2})?$/', $langcode, $matches)

[2374] Fix | Delete

&& $langcode !== 'en'

[2375] Fix | Delete

) {

[2376] Fix | Delete

$foundlang = false;

[2377] Fix | Delete

$langcode = 'en';

[2378] Fix | Delete

}

[2379] Fix | Delete

[2380] Fix | Delete

//There is no English translation file

[2381] Fix | Delete

if ('en' !== $langcode) {

[2382] Fix | Delete

$langcodes = [];

[2383] Fix | Delete

if (!empty($matches['script']) && !empty($matches['country'])) {

[2384] Fix | Delete

$langcodes[] = $matches['lang'] . $matches['script'] . $matches['country'];

[2385] Fix | Delete

}

[2386] Fix | Delete

if (!empty($matches['country'])) {

[2387] Fix | Delete

$langcodes[] = $matches['lang'] . $matches['country'];

[2388] Fix | Delete

}

[2389] Fix | Delete

if (!empty($matches['script'])) {

[2390] Fix | Delete

$langcodes[] = $matches['lang'] . $matches['script'];

[2391] Fix | Delete

}

[2392] Fix | Delete

$langcodes[] = $matches['lang'];

[2393] Fix | Delete

[2394] Fix | Delete

//Try and find a readable language file for the requested language.

[2395] Fix | Delete

$foundFile = false;

[2396] Fix | Delete

foreach ($langcodes as $code) {

[2397] Fix | Delete

$lang_file = $lang_path . 'phpmailer.lang-' . $code . '.php';

[2398] Fix | Delete

if (static::fileIsAccessible($lang_file)) {

[2399] Fix | Delete

$foundFile = true;

[2400] Fix | Delete

break;

[2401] Fix | Delete

}

[2402] Fix | Delete

}

[2403] Fix | Delete

[2404] Fix | Delete

if ($foundFile === false) {

[2405] Fix | Delete

$foundlang = false;

[2406] Fix | Delete

} else {

[2407] Fix | Delete

$lines = file($lang_file);

[2408] Fix | Delete

foreach ($lines as $line) {

[2409] Fix | Delete

//Translation file lines look like this:

[2410] Fix | Delete

//$PHPMAILER_LANG['authenticate'] = 'SMTP-Fehler: Authentifizierung fehlgeschlagen.';

[2411] Fix | Delete

//These files are parsed as text and not PHP so as to avoid the possibility of code injection

[2412] Fix | Delete

//See https://blog.stevenlevithan.com/archives/match-quoted-string

[2413] Fix | Delete

$matches = [];

[2414] Fix | Delete

if (

[2415] Fix | Delete

preg_match(

[2416] Fix | Delete

'/^\$PHPMAILER_LANG\[\'([a-z\d_]+)\'\]\s*=\s*(["\'])(.+)*?\2;/',

[2417] Fix | Delete

$line,

[2418] Fix | Delete

$matches

[2419] Fix | Delete

) &&

[2420] Fix | Delete

//Ignore unknown translation keys

[2421] Fix | Delete

array_key_exists($matches[1], $PHPMAILER_LANG)

[2422] Fix | Delete

) {

[2423] Fix | Delete

//Overwrite language-specific strings so we'll never have missing translation keys.

[2424] Fix | Delete

$PHPMAILER_LANG[$matches[1]] = (string)$matches[3];

[2425] Fix | Delete

}

[2426] Fix | Delete

}

[2427] Fix | Delete

}

[2428] Fix | Delete

}

[2429] Fix | Delete

$this->language = $PHPMAILER_LANG;

[2430] Fix | Delete

[2431] Fix | Delete

return $foundlang; //Returns false if language not found

[2432] Fix | Delete

}

[2433] Fix | Delete

[2434] Fix | Delete

/**

[2435] Fix | Delete

* Get the array of strings for the current language.

[2436] Fix | Delete

[2437] Fix | Delete

* @return array

[2438] Fix | Delete

[2439] Fix | Delete

public function getTranslations()

[2440] Fix | Delete

{

[2441] Fix | Delete

if (empty($this->language)) {

[2442] Fix | Delete

$this->setLanguage(); // Set the default language.

[2443] Fix | Delete

}

[2444] Fix | Delete

[2445] Fix | Delete

return $this->language;

[2446] Fix | Delete

}

[2447] Fix | Delete

[2448] Fix | Delete

/**

[2449] Fix | Delete

* Create recipient headers.

[2450] Fix | Delete

[2451] Fix | Delete

* @param string $type

[2452] Fix | Delete

* @param array $addr An array of recipients,

[2453] Fix | Delete

* where each recipient is a 2-element indexed array with element 0 containing an address

[2454] Fix | Delete

* and element 1 containing a name, like:

[2455] Fix | Delete

* [['joe@example.com', 'Joe User'], ['zoe@example.com', 'Zoe User']]

[2456] Fix | Delete

[2457] Fix | Delete

* @return string

[2458] Fix | Delete

[2459] Fix | Delete

public function addrAppend($type, $addr)

[2460] Fix | Delete

{

[2461] Fix | Delete

$addresses = [];

[2462] Fix | Delete

foreach ($addr as $address) {

[2463] Fix | Delete

$addresses[] = $this->addrFormat($address);

[2464] Fix | Delete

}

[2465] Fix | Delete

[2466] Fix | Delete

return $type . ': ' . implode(', ', $addresses) . static::$LE;

[2467] Fix | Delete

}

[2468] Fix | Delete

[2469] Fix | Delete

/**

[2470] Fix | Delete

* Format an address for use in a message header.

[2471] Fix | Delete

[2472] Fix | Delete

* @param array $addr A 2-element indexed array, element 0 containing an address, element 1 containing a name like

[2473] Fix | Delete

* ['joe@example.com', 'Joe User']

[2474] Fix | Delete

[2475] Fix | Delete

* @return string

[2476] Fix | Delete

[2477] Fix | Delete

public function addrFormat($addr)

[2478] Fix | Delete

{

[2479] Fix | Delete

if (!isset($addr[1]) || ($addr[1] === '')) { //No name provided

[2480] Fix | Delete

return $this->secureHeader($addr[0]);

[2481] Fix | Delete

}

[2482] Fix | Delete

[2483] Fix | Delete

return $this->encodeHeader($this->secureHeader($addr[1]), 'phrase') .

[2484] Fix | Delete

' <' . $this->secureHeader($addr[0]) . '>';

[2485] Fix | Delete

}

[2486] Fix | Delete

[2487] Fix | Delete

/**

[2488] Fix | Delete

* Word-wrap message.

[2489] Fix | Delete

* For use with mailers that do not automatically perform wrapping

[2490] Fix | Delete

* and for quoted-printable encoded messages.

[2491] Fix | Delete

* Original written by philippe.

[2492] Fix | Delete

[2493] Fix | Delete

* @param string $message The message to wrap

[2494] Fix | Delete

* @param int $length The line length to wrap to

[2495] Fix | Delete

* @param bool $qp_mode Whether to run in Quoted-Printable mode

[2496] Fix | Delete

[2497] Fix | Delete

* @return string

[2498] Fix | Delete

[2499] Fix | Delete

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