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<?php declare(strict_types=1);
/*
* This file is part of the Monolog package.
*
* (c) Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Monolog\Handler;
use Monolog\Logger;
use Monolog\Formatter\LineFormatter;
/**
* NativeMailerHandler uses the mail() function to send the emails
*
* @author Christophe Coevoet <stof@notk.org>
* @author Mark Garrett <mark@moderndeveloperllc.com>
*/
class NativeMailerHandler extends MailHandler
{
/**
* The email addresses to which the message will be sent
* @var string[]
*/
protected $to;
/**
* The subject of the email
* @var string
*/
protected $subject;
/**
* Optional headers for the message
* @var string[]
*/
protected $headers = [];
/**
* Optional parameters for the message
* @var string[]
*/
protected $parameters = [];
/**
* The wordwrap length for the message
* @var int
*/
protected $maxColumnWidth;
/**
* The Content-type for the message
* @var string|null
*/
protected $contentType;
/**
* The encoding for the message
* @var string
*/
protected $encoding = 'utf-8';
/**
* @param string|string[] $to The receiver of the mail
* @param string $subject The subject of the mail
* @param string $from The sender of the mail
* @param int $maxColumnWidth The maximum column width that the message lines will have
*/
public function __construct($to, string $subject, string $from, $level = Logger::ERROR, bool $bubble = true, int $maxColumnWidth = 70)
{
parent::__construct($level, $bubble);
$this->to = (array) $to;
$this->subject = $subject;
$this->addHeader(sprintf('From: %s', $from));
$this->maxColumnWidth = $maxColumnWidth;
}
/**
* Add headers to the message
*
* @param string|string[] $headers Custom added headers
*/
public function addHeader($headers): self
{
foreach ((array) $headers as $header) {
if (strpos($header, "\n") !== false || strpos($header, "\r") !== false) {
throw new \InvalidArgumentException('Headers can not contain newline characters for security reasons');
}
$this->headers[] = $header;
}
return $this;
}
/**
* Add parameters to the message
*
* @param string|string[] $parameters Custom added parameters
*/
public function addParameter($parameters): self
{
$this->parameters = array_merge($this->parameters, (array) $parameters);
return $this;
}
/**
* {@inheritDoc}
*/
protected function send(string $content, array $records): void
{
$contentType = $this->getContentType() ?: ($this->isHtmlBody($content) ? 'text/html' : 'text/plain');
if ($contentType !== 'text/html') {
$content = wordwrap($content, $this->maxColumnWidth);
}
$headers = ltrim(implode("\r\n", $this->headers) . "\r\n", "\r\n");
$headers .= 'Content-type: ' . $contentType . '; charset=' . $this->getEncoding() . "\r\n";
if ($contentType === 'text/html' && false === strpos($headers, 'MIME-Version:')) {
$headers .= 'MIME-Version: 1.0' . "\r\n";
}
$subject = $this->subject;
if ($records) {
$subjectFormatter = new LineFormatter($this->subject);
$subject = $subjectFormatter->format($this->getHighestRecord($records));
}
$parameters = implode(' ', $this->parameters);
foreach ($this->to as $to) {
mail($to, $subject, $content, $headers, $parameters);
}
}
public function getContentType(): ?string
{
return $this->contentType;
}
public function getEncoding(): string
{
return $this->encoding;
}
/**
* @param string $contentType The content type of the email - Defaults to text/plain. Use text/html for HTML messages.
*/
public function setContentType(string $contentType): self
{
if (strpos($contentType, "\n") !== false || strpos($contentType, "\r") !== false) {
throw new \InvalidArgumentException('The content type can not contain newline characters to prevent email header injection');
}
$this->contentType = $contentType;
return $this;
}
public function setEncoding(string $encoding): self
{
if (strpos($encoding, "\n") !== false || strpos($encoding, "\r") !== false) {
throw new \InvalidArgumentException('The encoding can not contain newline characters to prevent email header injection');
}
$this->encoding = $encoding;
return $this;
}
}
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