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/src/Mail/Message.php

<?php

/**
 * This file is part of the Nette Framework (https://nette.org)
 * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 */

declare(strict_types=1);

namespace Nette\Mail;

use Nette;
use Nette\Utils\Strings;
use function addcslashes, array_map, array_reverse, basename, date, explode, finfo_buffer, finfo_open, implode, is_numeric, ltrim, php_uname, preg_match, preg_replace, rtrim, str_replace, strcasecmp, stripslashes, strlen, substr, substr_replace, trim, urldecode;
use const FILEINFO_MIME_TYPE;


/**
 * Mail provides functionality to compose and send both text and MIME-compliant multipart email messages.
 *
 * @property-deprecated   string $subject
 * @property-deprecated   string $htmlBody
 */
class Message extends MimePart
{
        /** Priority */
        public const
                High = 1,
                Normal = 3,
                Low = 5;

        #[\Deprecated('use Message::High')]
        public const HIGH = self::High;

        #[\Deprecated('use Message::Normal')]
        public const NORMAL = self::Normal;

        #[\Deprecated('use Message::Low')]
        public const LOW = self::Low;

        /** @var array<string, string> */
        public static array $defaultHeaders = [
                'MIME-Version' => '1.0',
                'X-Mailer' => 'Nette Framework',
        ];

        /** @var list<MimePart> */
        private array $attachments = [];

        /** @var array<MimePart> */
        private array $inlines = [];
        private string $htmlBody = '';


        public function __construct()
        {
                foreach (static::$defaultHeaders as $name => $value) {
                        $this->setHeader($name, $value);
                }

                $this->setHeader('Date', date('r'));
        }


        /**
         * Sets the sender of the message. Email or format "John Doe" <doe@example.com>
         */
        public function setFrom(string $email, ?string $name = null): static
        {
                $this->setHeader('From', $this->formatEmail($email, $name));
                return $this;
        }


        /**
         * Returns the sender of the message.
         * @return ?array<string, ?string>
         */
        public function getFrom(): ?array
        {
                return $this->getHeader('From');
        }


        /**
         * Adds the reply-to address. Email or format "John Doe" <doe@example.com>
         */
        public function addReplyTo(string $email, ?string $name = null): static
        {
                $this->setHeader('Reply-To', $this->formatEmail($email, $name), append: true);
                return $this;
        }


        /**
         * Sets the subject of the message.
         */
        public function setSubject(string $subject): static
        {
                $this->setHeader('Subject', $subject);
                return $this;
        }


        /**
         * Returns the subject of the message.
         */
        public function getSubject(): ?string
        {
                return $this->getHeader('Subject');
        }


        /**
         * Adds email recipient. Email or format "John Doe" <doe@example.com>
         */
        public function addTo(string $email, ?string $name = null): static // addRecipient()
        {
                $this->setHeader('To', $this->formatEmail($email, $name), append: true);
                return $this;
        }


        /**
         * Adds carbon copy email recipient. Email or format "John Doe" <doe@example.com>
         */
        public function addCc(string $email, ?string $name = null): static
        {
                $this->setHeader('Cc', $this->formatEmail($email, $name), append: true);
                return $this;
        }


        /**
         * Adds blind carbon copy email recipient. Email or format "John Doe" <doe@example.com>
         */
        public function addBcc(string $email, ?string $name = null): static
        {
                $this->setHeader('Bcc', $this->formatEmail($email, $name), append: true);
                return $this;
        }


        /**
         * Formats recipient email.
         * @return array<string, ?string>
         */
        private function formatEmail(string $email, ?string $name = null): array
        {
                if (!$name && preg_match('#^(.+) +<(.*)>$#D', $email, $matches)) {
                        [, $name, $email] = $matches;
                        $name = stripslashes($name);
                        $tmp = substr($name, 1, -1);
                        if ($name === '"' . $tmp . '"') {
                                $name = $tmp;
                        }
                }

                return [$email => $name];
        }


        /**
         * Sets the Return-Path header of the message.
         */
        public function setReturnPath(string $email): static
        {
                $this->setHeader('Return-Path', $email);
                return $this;
        }


        /**
         * Returns the Return-Path header.
         */
        public function getReturnPath(): ?string
        {
                return $this->getHeader('Return-Path');
        }


        /**
         * Sets email priority.
         */
        public function setPriority(int $priority): static
        {
                $this->setHeader('X-Priority', (string) $priority);
                return $this;
        }


        /**
         * Returns email priority.
         */
        public function getPriority(): ?int
        {
                $priority = $this->getHeader('X-Priority');
                return is_numeric($priority) ? (int) $priority : null;
        }


        /**
         * Sets HTML body.
         */
        public function setHtmlBody(string $html, ?string $basePath = null): static
        {
                if ($basePath) {
                        $cids = [];
                        $matches = Strings::matchAll(
                                $html,
                                '#
                                        (<img[^<>]*\s src\s*=\s*
                                        |<body[^<>]*\s background\s*=\s*
                                        |<[^<>]+\s style\s*=\s* ["\'][^"\'>]+[:\s] url\(
                                        |<style[^>]*>[^<]+ [:\s] url\()
                                        (["\']?)(?![a-z]+:|[/\#])([^"\'>)\s]+)
                                        |\[\[ ([\w()+./@~-]+) \]\]
                                #ix',
                                captureOffset: true,
                        );
                        foreach (array_reverse($matches) as $m) {
                                $file = rtrim($basePath, '/\\') . '/' . (isset($m[4]) ? $m[4][0] : urldecode($m[3][0]));
                                if (!isset($cids[$file])) {
                                        $cids[$file] = substr($this->addEmbeddedFile($file)->getHeader('Content-ID'), 1, -1);
                                }

                                $html = substr_replace(
                                        $html,
                                        "{$m[1][0]}{$m[2][0]}cid:{$cids[$file]}",
                                        $m[0][1],
                                        strlen($m[0][0]),
                                );
                        }
                }

                if ($this->getSubject() == null) { // intentionally ==
                        $html = Strings::replace($html, '#<title>(.+?)</title>#is', function (array $m): string {
                                $this->setSubject(Nette\Utils\Html::htmlToText($m[1]));
                                return '';
                        });
                }

                $this->htmlBody = ltrim(str_replace("\r", '', $html), "\n");

                if ($this->getBody() === '' && $html !== '') {
                        $this->setBody($this->buildText($html));
                }

                return $this;
        }


        /**
         * Gets HTML body.
         */
        public function getHtmlBody(): string
        {
                return $this->htmlBody;
        }


        /**
         * Adds embedded file.
         */
        public function addEmbeddedFile(string $file, ?string $content = null, ?string $contentType = null): MimePart
        {
                return $this->inlines[$file] = $this->createAttachment($file, $content, $contentType, 'inline')
                        ->setHeader('Content-ID', $this->getRandomId());
        }


        /**
         * Adds inlined Mime Part.
         */
        public function addInlinePart(MimePart $part): static
        {
                $this->inlines[] = $part;
                return $this;
        }


        /**
         * Adds attachment.
         */
        public function addAttachment(string $file, ?string $content = null, ?string $contentType = null): MimePart
        {
                return $this->attachments[] = $this->createAttachment($file, $content, $contentType, 'attachment');
        }


        /**
         * Gets all email attachments.
         * @return list<MimePart>
         */
        public function getAttachments(): array
        {
                return $this->attachments;
        }


        /**
         * Creates file MIME part.
         */
        private function createAttachment(
                string $file,
                ?string $content,
                ?string $contentType,
                string $disposition,
        ): MimePart
        {
                $part = new MimePart;
                if ($content === null) {
                        $content = Nette\Utils\FileSystem::read($file);
                        $file = Strings::fixEncoding(basename($file));
                }

                if (!$contentType) {
                        $contentType = finfo_buffer(finfo_open(FILEINFO_MIME_TYPE), $content);
                }

                if (!strcasecmp($contentType, 'message/rfc822')) { // not allowed for attached files
                        $contentType = 'application/octet-stream';
                } elseif (!strcasecmp($contentType, 'image/svg')) { // Troublesome for some mailers...
                        $contentType = 'image/svg+xml';
                }

                $part->setBody($content);
                $part->setContentType($contentType);
                $part->setEncoding(preg_match('#(multipart|message)/#A', $contentType) ? self::Encoding8Bit : self::EncodingBase64);
                $part->setHeader('Content-Disposition', $disposition . '; filename="' . addcslashes($file, '"\\') . '"');
                return $part;
        }


        /********************* building and sending ****************d*g**/


        /**
         * Returns encoded message.
         */
        public function generateMessage(): string
        {
                return $this->build()->getEncodedMessage();
        }


        /**
         * Builds email. Does not modify itself, but returns a new object.
         */
        public function build(): static
        {
                $mail = clone $this;
                $mail->setHeader('Message-ID', $mail->getHeader('Message-ID') ?? $this->getRandomId());

                $cursor = $mail;
                if ($mail->attachments) {
                        $tmp = $cursor->setContentType('multipart/mixed');
                        $cursor = $cursor->addPart();
                        foreach ($mail->attachments as $value) {
                                $tmp->addPart($value);
                        }
                }

                if ($mail->htmlBody !== '') {
                        $tmp = $cursor->setContentType('multipart/alternative');
                        $cursor = $cursor->addPart();
                        $alt = $tmp->addPart();
                        if ($mail->inlines) {
                                $tmp = $alt->setContentType('multipart/related');
                                $alt = $alt->addPart();
                                foreach ($mail->inlines as $value) {
                                        $tmp->addPart($value);
                                }
                        }

                        $alt->setContentType('text/html', 'UTF-8')
                                ->setEncoding(preg_match('#[^\n]{990}#', $mail->htmlBody)
                                        ? self::EncodingQuotedPrintable
                                        : (preg_match('#[\x80-\xFF]#', $mail->htmlBody) ? self::Encoding8Bit : self::Encoding7Bit))
                                ->setBody($mail->htmlBody);
                }

                $text = $mail->getBody();
                $mail->setBody('');
                $cursor->setContentType('text/plain', 'UTF-8')
                        ->setEncoding(preg_match('#[^\n]{990}#', $text)
                                ? self::EncodingQuotedPrintable
                                : (preg_match('#[\x80-\xFF]#', $text) ? self::Encoding8Bit : self::Encoding7Bit))
                        ->setBody($text);

                return $mail;
        }


        /**
         * Builds text content.
         */
        protected function buildText(string $html): string
        {
                $html = Strings::replace($html, [
                        '#<(style|script|head).*</\1>#Uis' => '',
                        '#<t[dh][ >]#i' => ' $0',
                        '#<a\s[^>]*href=(?|"([^"]+)"|\'([^\']+)\')[^>]*>(.*?)</a>#is' => '$2 &lt;$1&gt;',
                        '#[\r\n]+#' => ' ',
                        '#<(/?p|/?h\d|li|br|/tr)[ >/]#i' => "\n$0",
                ]);
                $text = Nette\Utils\Html::htmlToText($html);
                $text = Strings::replace($text, '#[ \t]+#', ' ');
                $text = implode("\n", array_map('trim', explode("\n", $text)));
                return trim($text);
        }


        private function getRandomId(): string
        {
                return '<' . Nette\Utils\Random::generate() . '@'
                        . preg_replace('#[^\w.-]+#', '', $_SERVER['HTTP_HOST'] ?? php_uname('n'))
                        . '>';
        }
}

1	<?php
2
3	/**
4	* This file is part of the Nette Framework (https://nette.org)
5	* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
6	*/
7
8	declare(strict_types=1);
9
10	namespace Nette\Mail;
11
12	use Nette;
13	use Nette\Utils\Strings;
14	use function addcslashes, array_map, array_reverse, basename, date, explode, finfo_buffer, finfo_open, implode, is_numeric, ltrim, php_uname, preg_match, preg_replace, rtrim, str_replace, strcasecmp, stripslashes, strlen, substr, substr_replace, trim, urldecode;
15	use const FILEINFO_MIME_TYPE;
16
17
18	/**
19	* Mail provides functionality to compose and send both text and MIME-compliant multipart email messages.
20	*
21	* @property-deprecated string $subject
22	* @property-deprecated string $htmlBody
23	*/
24	class Message extends MimePart
25	{
26	/** Priority */
27	public const
28	High = 1,
29	Normal = 3,
30	Low = 5;
31
32	#[\Deprecated('use Message::High')]
33	public const HIGH = self::High;
34
35	#[\Deprecated('use Message::Normal')]
36	public const NORMAL = self::Normal;
37
38	#[\Deprecated('use Message::Low')]
39	public const LOW = self::Low;
40
41	/** @var array<string, string> */
42	public static array $defaultHeaders = [
43	'MIME-Version' => '1.0',
44	'X-Mailer' => 'Nette Framework',
45	];
46
47	/** @var list<MimePart> */
48	private array $attachments = [];
49
50	/** @var array<MimePart> */
51	private array $inlines = [];
52	private string $htmlBody = '';
53
54
55	public function __construct()
56	{
57	foreach (static::$defaultHeaders as $name => $value) {	1✔
58	$this->setHeader($name, $value);	1✔
59	}
60
61	$this->setHeader('Date', date('r'));	1✔
62	}	1✔
63
64
65	/**
66	* Sets the sender of the message. Email or format "John Doe" <doe@example.com>
67	*/
68	public function setFrom(string $email, ?string $name = null): static	1✔
69	{
70	$this->setHeader('From', $this->formatEmail($email, $name));	1✔
71	return $this;	1✔
72	}
73
74
75	/**
76	* Returns the sender of the message.
77	* @return ?array<string, ?string>
78	*/
79	public function getFrom(): ?array
80	{
81	return $this->getHeader('From');	1✔
82	}
83
84
85	/**
86	* Adds the reply-to address. Email or format "John Doe" <doe@example.com>
87	*/
88	public function addReplyTo(string $email, ?string $name = null): static	1✔
89	{
90	$this->setHeader('Reply-To', $this->formatEmail($email, $name), append: true);	1✔
91	return $this;	1✔
92	}
93
94
95	/**
96	* Sets the subject of the message.
97	*/
98	public function setSubject(string $subject): static	1✔
99	{
100	$this->setHeader('Subject', $subject);	1✔
101	return $this;	1✔
102	}
103
104
105	/**
106	* Returns the subject of the message.
107	*/
108	public function getSubject(): ?string
109	{
110	return $this->getHeader('Subject');	1✔
111	}
112
113
114	/**
115	* Adds email recipient. Email or format "John Doe" <doe@example.com>
116	*/
117	public function addTo(string $email, ?string $name = null): static // addRecipient()	1✔
118	{
119	$this->setHeader('To', $this->formatEmail($email, $name), append: true);	1✔
120	return $this;	1✔
121	}
122
123
124	/**
125	* Adds carbon copy email recipient. Email or format "John Doe" <doe@example.com>
126	*/
127	public function addCc(string $email, ?string $name = null): static	1✔
128	{
129	$this->setHeader('Cc', $this->formatEmail($email, $name), append: true);	1✔
130	return $this;	1✔
131	}
132
133
134	/**
135	* Adds blind carbon copy email recipient. Email or format "John Doe" <doe@example.com>
136	*/
137	public function addBcc(string $email, ?string $name = null): static	1✔
138	{
139	$this->setHeader('Bcc', $this->formatEmail($email, $name), append: true);	1✔
140	return $this;	1✔
141	}
142
143
144	/**
145	* Formats recipient email.
146	* @return array<string, ?string>
147	*/
148	private function formatEmail(string $email, ?string $name = null): array	1✔
149	{
150	if (!$name && preg_match('#^(.+) +<(.*)>$#D', $email, $matches)) {	1✔
151	[, $name, $email] = $matches;	1✔
152	$name = stripslashes($name);	1✔
153	$tmp = substr($name, 1, -1);	1✔
154	if ($name === '"' . $tmp . '"') {	1✔
155	$name = $tmp;	1✔
156	}
157	}
158
159	return [$email => $name];	1✔
160	}
161
162
163	/**
164	* Sets the Return-Path header of the message.
165	*/
166	public function setReturnPath(string $email): static	1✔
167	{
168	$this->setHeader('Return-Path', $email);	1✔
169	return $this;	1✔
170	}
171
172
173	/**
174	* Returns the Return-Path header.
175	*/
176	public function getReturnPath(): ?string
177	{
178	return $this->getHeader('Return-Path');	×
179	}
180
181
182	/**
183	* Sets email priority.
184	*/
185	public function setPriority(int $priority): static	1✔
186	{
187	$this->setHeader('X-Priority', (string) $priority);	1✔
188	return $this;	1✔
189	}
190
191
192	/**
193	* Returns email priority.
194	*/
195	public function getPriority(): ?int
196	{
197	$priority = $this->getHeader('X-Priority');	1✔
198	return is_numeric($priority) ? (int) $priority : null;	1✔
199	}
200
201
202	/**
203	* Sets HTML body.
204	*/
205	public function setHtmlBody(string $html, ?string $basePath = null): static	1✔
206	{
207	if ($basePath) {	1✔
208	$cids = [];	1✔
209	$matches = Strings::matchAll(	1✔
210	$html,	1✔
211	'#	1✔
212	(<img[^<>]\s src\s=\s*
213	\|<body[^<>]\s background\s=\s*
214	\|<[^<>]+\s style\s=\s ["\'][^"\'>]+[:\s] url\(
215	\|<style[^>]*>[^<]+ [:\s] url\()
216	(["\']?)(?![a-z]+:\|[/\#])([^"\'>)\s]+)
217	\|\[\[ ([\w()+./@~-]+) \]\]
218	#ix',
219	captureOffset: true,	1✔
220	);
221	foreach (array_reverse($matches) as $m) {	1✔
222	$file = rtrim($basePath, '/\\') . '/' . (isset($m[4]) ? $m[4][0] : urldecode($m[3][0]));	1✔
223	if (!isset($cids[$file])) {	1✔
224	$cids[$file] = substr($this->addEmbeddedFile($file)->getHeader('Content-ID'), 1, -1);	1✔
225	}
226
227	$html = substr_replace(	1✔
228	$html,	1✔
229	"{$m[1][0]}{$m[2][0]}cid:{$cids[$file]}",	1✔
230	$m[0][1],	1✔
231	strlen($m[0][0]),	1✔
232	);
233	}
234	}
235
236	if ($this->getSubject() == null) { // intentionally ==	1✔
237	$html = Strings::replace($html, '#<title>(.+?)</title>#is', function (array $m): string {	1✔
238	$this->setSubject(Nette\Utils\Html::htmlToText($m[1]));	1✔
239	return '';	1✔
240	});	1✔
241	}
242
243	$this->htmlBody = ltrim(str_replace("\r", '', $html), "\n");	1✔
244
245	if ($this->getBody() === '' && $html !== '') {	1✔
246	$this->setBody($this->buildText($html));	1✔
247	}
248
249	return $this;	1✔
250	}
251
252
253	/**
254	* Gets HTML body.
255	*/
256	public function getHtmlBody(): string
257	{
258	return $this->htmlBody;	1✔
259	}
260
261
262	/**
263	* Adds embedded file.
264	*/
265	public function addEmbeddedFile(string $file, ?string $content = null, ?string $contentType = null): MimePart	1✔
266	{
267	return $this->inlines[$file] = $this->createAttachment($file, $content, $contentType, 'inline')	1✔
268	->setHeader('Content-ID', $this->getRandomId());	1✔
269	}
270
271
272	/**
273	* Adds inlined Mime Part.
274	*/
275	public function addInlinePart(MimePart $part): static
276	{
277	$this->inlines[] = $part;	×
278	return $this;	×
279	}
280
281
282	/**
283	* Adds attachment.
284	*/
285	public function addAttachment(string $file, ?string $content = null, ?string $contentType = null): MimePart	1✔
286	{
287	return $this->attachments[] = $this->createAttachment($file, $content, $contentType, 'attachment');	1✔
288	}
289
290
291	/**
292	* Gets all email attachments.
293	* @return list<MimePart>
294	*/
295	public function getAttachments(): array
296	{
297	return $this->attachments;	×
298	}
299
300
301	/**
302	* Creates file MIME part.
303	*/
304	private function createAttachment(	1✔
305	string $file,
306	?string $content,
307	?string $contentType,
308	string $disposition,
309	): MimePart
310	{
311	$part = new MimePart;	1✔
312	if ($content === null) {	1✔
313	$content = Nette\Utils\FileSystem::read($file);	1✔
314	$file = Strings::fixEncoding(basename($file));	1✔
315	}
316
317	if (!$contentType) {	1✔
318	$contentType = finfo_buffer(finfo_open(FILEINFO_MIME_TYPE), $content);	1✔
319	}
320
321	if (!strcasecmp($contentType, 'message/rfc822')) { // not allowed for attached files	1✔
322	$contentType = 'application/octet-stream';	1✔
323	} elseif (!strcasecmp($contentType, 'image/svg')) { // Troublesome for some mailers...	1✔
324	$contentType = 'image/svg+xml';	×
325	}
326
327	$part->setBody($content);	1✔
328	$part->setContentType($contentType);	1✔
329	$part->setEncoding(preg_match('#(multipart\|message)/#A', $contentType) ? self::Encoding8Bit : self::EncodingBase64);	1✔
330	$part->setHeader('Content-Disposition', $disposition . '; filename="' . addcslashes($file, '"\\') . '"');	1✔
331	return $part;	1✔
332	}
333
334
335	/******************* building and sending *************dg**/
336
337
338	/**
339	* Returns encoded message.
340	*/
341	public function generateMessage(): string
342	{
343	return $this->build()->getEncodedMessage();	1✔
344	}
345
346
347	/**
348	* Builds email. Does not modify itself, but returns a new object.
349	*/
350	public function build(): static
351	{
352	$mail = clone $this;	1✔
353	$mail->setHeader('Message-ID', $mail->getHeader('Message-ID') ?? $this->getRandomId());	1✔
354
355	$cursor = $mail;	1✔
356	if ($mail->attachments) {	1✔
357	$tmp = $cursor->setContentType('multipart/mixed');	1✔
358	$cursor = $cursor->addPart();	1✔
359	foreach ($mail->attachments as $value) {	1✔
360	$tmp->addPart($value);	1✔
361	}
362	}
363
364	if ($mail->htmlBody !== '') {	1✔
365	$tmp = $cursor->setContentType('multipart/alternative');	1✔
366	$cursor = $cursor->addPart();	1✔
367	$alt = $tmp->addPart();	1✔
368	if ($mail->inlines) {	1✔
369	$tmp = $alt->setContentType('multipart/related');	1✔
370	$alt = $alt->addPart();	1✔
371	foreach ($mail->inlines as $value) {	1✔
372	$tmp->addPart($value);	1✔
373	}
374	}
375
376	$alt->setContentType('text/html', 'UTF-8')	1✔
377	->setEncoding(preg_match('#[^\n]{990}#', $mail->htmlBody)	1✔
378	? self::EncodingQuotedPrintable	×
379	: (preg_match('#[\x80-\xFF]#', $mail->htmlBody) ? self::Encoding8Bit : self::Encoding7Bit))	1✔
380	->setBody($mail->htmlBody);	1✔
381	}
382
383	$text = $mail->getBody();	1✔
384	$mail->setBody('');	1✔
385	$cursor->setContentType('text/plain', 'UTF-8')	1✔
386	->setEncoding(preg_match('#[^\n]{990}#', $text)	1✔
387	? self::EncodingQuotedPrintable	1✔
388	: (preg_match('#[\x80-\xFF]#', $text) ? self::Encoding8Bit : self::Encoding7Bit))	1✔
389	->setBody($text);	1✔
390
391	return $mail;	1✔
392	}
393
394
395	/**
396	* Builds text content.
397	*/
398	protected function buildText(string $html): string	1✔
399	{
400	$html = Strings::replace($html, [	1✔
401	'#<(style\|script\|head).*</\1>#Uis' => '',	1✔
402	'#<t[dh][ >]#i' => ' $0',
403	'#<a\s[^>]href=(?\|"([^"]+)"\|\'([^\']+)\')[^>]>(.*?)</a>#is' => '$2 <$1>',
404	'#[\r\n]+#' => ' ',
405	'#<(/?p\|/?h\d\|li\|br\|/tr)[ >/]#i' => "\n$0",
406	]);
407	$text = Nette\Utils\Html::htmlToText($html);	1✔
408	$text = Strings::replace($text, '#[ \t]+#', ' ');	1✔
409	$text = implode("\n", array_map('trim', explode("\n", $text)));	1✔
410	return trim($text);	1✔
411	}
412
413
414	private function getRandomId(): string
415	{
416	return '<' . Nette\Utils\Random::generate() . '@'	1✔
417	. preg_replace('#[^\w.-]+#', '', $_SERVER['HTTP_HOST'] ?? php_uname('n'))	1✔
418	. '>';	1✔
419	}
420	}

nette / mail / 21849714861

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