Current File : /www/varak.net/dmarc.varak.net/classes/Mail/MailBody.php
<?php
/**
* dmarc-srg - A php parser, viewer and summary report generator for incoming DMARC reports.
* Copyright (C) 2022-2024 Aleksey Andreev (liuch)
*
* Available at:
* https://github.com/liuch/dmarc-srg
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Liuch\DmarcSrg\Mail;
/**
* The class is designed to easily create multipart/alternative message bodies.
*/
class MailBody
{
private $boundary = null;
/**
* Plain text message body as an array of strings
*
* @var null|array
*/
public $text = null;
/**
* HTML text message body as an array of strings
*
* @var null|array
*/
public $html = null;
/**
* Return Content-Type header value for the whole message
*
* @return string
*/
public function contentType(): string
{
if ($this->boundary()) {
$ctype = 'multipart/alternative; boundary="' . $this->boundary() . '"';
} else {
if (!is_null($this->html)) {
$ctype = 'text/html';
} else {
$ctype = 'text/plain';
}
$ctype .= '; charset=utf-8';
}
return $ctype;
}
/**
* Returns all the message parts with required headers as an array of strings
*
* @return array
*/
public function content(): array
{
$content = [];
if ($this->text) {
$this->addBodyPart('text', $this->text, $content);
}
if ($this->html) {
$this->addBodyPart('html', $this->html, $content);
}
return $content;
}
/**
* Generates a boundary string of the message. If the body has only one part of the content
* it returns null
*
* @return string|null
*/
private function boundary()
{
if (!$this->boundary) {
if ($this->text && $this->html) {
$this->boundary = '==========' . sha1(uniqid()) . '=====';
}
}
return $this->boundary;
}
/**
* Adds the specified part of the content to the array passed as the third parameter
* with the required headers.
*
* @param string $type Type of the content to add
* @param array $part Part of the content to add
* @param array $content Where the data with headers should be added
*
* @return void
*/
private function addBodyPart(string $type, array &$part, array &$content): void
{
if ($this->boundary()) {
$content[] = '--' . $this->boundary();
switch ($type) {
case 'text':
default:
$ctype = 'text/plain';
break;
case 'html':
$ctype = 'text/html';
break;
}
$content[] = 'Content-Type: ' . $ctype . '; charset=utf-8';
$content[] = 'Content-Transfer-Encoding: 7bit';
$content[] = '';
}
foreach ($part as $row) {
$content[] = $row;
}
unset($part);
}
}
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