Message::getAttachmentMimeTemplate() - Code Metrics - platine-php/mail - Measure and Improve Code Quality continuously with Scrutinizer

Message::getAttachmentMimeTemplate() A
last analyzed 2025-05-19 18:18 UTC

↳ Parent: Message

Complexity

Conditions	1
Paths	1

Size

Total Lines	15
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	11
nc	1
nop	1
dl	0
loc	15
rs	9.9
c	0
b	0
f	0

<?php

/**
 * Platine Mail
 *
 * Platine Mail provides a flexible and powerful PHP email sender
 *  with support of SMTP, Native Mail, sendmail, etc transport.
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2020 Platine Mail
 * Copyright (c) 2015, Sonia Marquette
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

/**
 *  @file Message.php
 *
 *  The Message class
 *
 *  @package    Platine\Mail
 *  @author Platine Developers Team
 *  @copyright  Copyright (c) 2020
 *  @license    http://opensource.org/licenses/MIT  MIT License
 *  @link   https://www.platine-php.com
 *  @version 1.0.0
 *  @filesource
 */

declare(strict_types=1);

namespace Platine\Mail;

use InvalidArgumentException;

/**
 * @class Message
 * @package Platine\Mail
 */
class Message implements MessageInterface
{
    /**
     * End of line char
     */
    public const CRLF = PHP_EOL;

    /**
     *
     * @var string
     */
    protected string $from = '';

    /**
     *
     * @var string
     */
    protected string $replyTo = '';

    /**
     * The send mail receiver(s)
     * @var array<int, string>
     */
    protected array $to = [];

    /**
     * The send mail receiver(s) copy
     * @var array<int|string, string> $cc
     */
    protected array $cc = [];

    /**
     * The send mail receiver(s) hidden copy
     * @var array<int|string, string> $bcc
     */
    protected array $bcc = [];

    /**
     * The mail subject
     * @var string
     */
    protected string $subject = '';

    /**
     * The mail body
     * @var string
     */
    protected string $body = '';

     /**
     * The mail attachments
     * @var array<int, array<string, string>>
     */
    protected array $attachments = [];

     /**
     * The mail headers
     * @var array<string, mixed>
     */
    protected array $headers = [];

    /**
     * The mail boundary value
     * @var string
     */
    protected string $uid = '';

    /**
     * Maximum characters for each message line
     * @var int
     */
    protected int $wrap = 70;

    /**
     * Set mail priority
     * @var int
     */
    protected int $priority = 3;

    /**
     * Create new instance
     */
    public function __construct()
    {
        $this->reset();
    }

    /**
     * {@inheritedoc}
     */
    public function reset(): self
    {
        $this->from = '';
        $this->replyTo = '';
        $this->to = [];
        $this->cc = [];
        $this->bcc = [];
        $this->subject = '';
        $this->body = '';
        $this->attachments = [];
        $this->headers = [];
        $this->uid = md5(uniqid((string)time()));
        $this->wrap = 70;
        $this->priority = 3;

        return $this;
    }

    /**
     * {@inheritedoc}
     */
    public function addAttachment(string $path, ?string $filename = null): self
    {
        if (file_exists($path) === false) {
            throw new InvalidArgumentException(sprintf(
                'The email attachment file [%s] does not exists.',
                $path
            ));
        }

        if (empty($filename)) {
            $filename = basename($path);
        }

        $data = $this->getAttachmentData($path);

        if ($data !== null) {
            $this->attachments[] = [
                'file' => $this->encodeUtf8($this->filterString($filename)),
                'path' => $path,
                'data' => chunk_split(base64_encode($data))
            ];
        }

        return $this;
    }

    /**
     * {@inheritedoc}
     */
    public function setBcc(array $pairs): self
    {
        $this->bcc = $pairs;

        return $this->addMailHeaders('Bcc', $pairs);
    }

    /**
     * {@inheritedoc}
     */
    public function getBcc(): array
    {
        return $this->bcc;
    }

    /**
     * {@inheritedoc}
     */
    public function setCc(array $pairs): self
    {
        $this->cc = $pairs;

        return $this->addMailHeaders('Cc', $pairs);
    }

    /**
     * {@inheritedoc}
     */
    public function getCc(): array
    {
        return $this->cc;
    }

    /**
     * {@inheritedoc}
     */
    public function setBody(string $body): self
    {
        $this->body = str_replace("\n.", "\n..", $body);

        return $this;
    }

    /**
     * {@inheritedoc}
     */
    public function getEncodedBody(): string
    {
        $body = wordwrap($this->body, $this->wrap);
        if ($this->hasAttachments()) {
            $body = $this->getBodyWithAttachments();
        }

        return $body;
    }

    /**
     * {@inheritedoc}
     */
    public function getEncodedHeaders(): string
    {
        $this->prepareHeaders();

        $content = '';
        foreach ($this->headers as $name => $value) {
            $content .= $name . ': ' . $value . self::CRLF;
        }

        return $content;
    }

    /**
     * {@inheritedoc}
     */
    public function setFrom(string $email, ?string $name = null): self
    {
        $this->from = $this->formatHeader($email, $name);

        return $this->addMailHeader('From', $email, $name);
    }

    /**
     * {@inheritedoc}
     */
    public function getFrom(): string
    {
        return $this->from;
    }

    /**
    *  {@inheritedoc}
    */
    public function setReplyTo(string $email, ?string $name = null): self
    {
        $this->replyTo = $this->formatHeader($email, $name);

        return $this->addMailHeader('Reply-To', $email, $name);
    }

    /**
     * {@inheritedoc}
     */
    public function getSubject(): string
    {
        return $this->subject;
    }

    /**
     * {@inheritedoc}
     */
    public function setSubject(string $subject): self
    {
        $this->subject = $this->encodeUtf8($this->filterString($subject));

        return $this;
    }

    /**
     * {@inheritedoc}
     */
    public function setTo(string $email, ?string $name = null): self
    {
        $this->to[] = $this->formatHeader($email, $name);

        return $this;
    }

    /**
     * {@inheritedoc}
     */
    public function getEncodedTo(): string
    {
        return join(', ', $this->to);
    }

    /**
     * {@inheritedoc}
     */
    public function getTo(): array
    {
        return $this->to;
    }

    /**
     * {@inheritedoc}
     */
    public function setWrap(int $wrap = 70): self
    {
        if ($wrap < 1) {
            $wrap = 70;
        }

        $this->wrap = $wrap;

        return $this;
    }

    /**
     * {@inheritedoc}
     */
    public function setPriority(int $priority = 3): self
    {
        if ($priority < 1 || $priority > 5) {
            $priority = 3;
        }

        $this->priority = $priority;

        return $this;
    }

    /**
     * {@inheritedoc}
     */
    public function getHeader(string $name, mixed $default = null): mixed
    {
        $this->prepareHeaders();

        return array_key_exists($name, $this->headers)
                ? $this->headers[$name]
                : $default;
    }

    /**
     * {@inheritedoc}
     */
    public function addHeader(string $name, mixed $value): self
    {
        $this->headers[$name] = $value;

        return $this;
    }

    /**
     * {@inheritedoc}
     */
    public function addMailHeader(string $header, string $email, ?string $name = null): self
    {
        $address = $this->formatHeader($email, $name);
        $this->headers[$header] = $address;

        return $this;
    }

    /**
     * {@inheritedoc}
     */
    public function addMailHeaders(string $header, array $pairs): self
    {
        if (count($pairs) === 0) {
            throw new InvalidArgumentException('The mail headers is empty');
        }

        $addresses = [];
        foreach ($pairs as $name => $email) {
            if (is_numeric($name)) {
                $name = null;
            }
            $addresses[] = $this->formatHeader($email, $name);
        }

        $this->addHeader($header, implode(', ', $addresses));

        return $this;
    }

    /**
     * {@inheritedoc}
     */
    public function hasAttachments(): bool
    {
        return !empty($this->attachments);
    }

    /**
     * {@inheritedoc}
     */
    public function setHtml(): self
    {
        return $this->addHeader('Content-Type', 'text/html; charset="UTF-8"');
    }

    /**
     * {@inheritedoc}
     */
    public function __toString(): string
    {
        $content = $this->getEncodedHeaders();
        $content .= self::CRLF;
        $content .= $this->getEncodedBody();

        return $content;
    }

    /**
     * Prepare mail headers
     * @return $this
     */
    protected function prepareHeaders(): self
    {
        if (!array_key_exists('Return-Path', $this->headers)) {
            $this->addHeader('Return-Path', $this->from);
        }

        if (!array_key_exists('Reply-To', $this->headers)) {
            $this->addHeader('Reply-To', $this->from);
        }

        $this->addHeader('X-Priority', $this->priority)
               ->addHeader('X-Mailer', 'Platine PHP Mail')
               ->addHeader('Subject', $this->subject)
               ->addHeader('To', join(', ', $this->to))
               ->addHeader('Date', date('r'));

        if ($this->hasAttachments()) {
            $this->addHeader('MIME-Version', '1.0')
                 ->addHeader(
                     'Content-Type',
                     sprintf('multipart/mixed; boundary="%s"', $this->uid)
                 );
        }

        return $this;
    }

    /**
     * Get mail attachment data
     * @param string $path
     *
     * @return string|null
     */
    protected function getAttachmentData(string $path): ?string
    {
        $filesize = filesize($path);
        if ($filesize === false) {
            return null;
        }

        $handle = fopen($path, 'r');
        $content = null;
        if (is_resource($handle)) {
            $result = fread($handle, $filesize);
            if ($result !== false) {
                $content = $result;
            }
            fclose($handle);
        }

        return $content;
    }

    /**
     * Return the attachment with body
     * @return string
     */
    protected function getBodyWithAttachments(): string
    {
        $body = [];
        $body[] = 'This is a multi-part message in MIME format.';
        $body[] = sprintf('--%s', $this->uid);
        $body[] = 'Content-Type: text/html; charset="UTF-8"';
        $body[] = 'Content-Transfer-Encoding: base64';
        $body[] = self::CRLF;
        $body[] = chunk_split(base64_encode($this->body));
        $body[] = self::CRLF;
        $body[] = sprintf('--%s', $this->uid);

        foreach ($this->attachments as $attachment) {
            $body[] = $this->getAttachmentMimeTemplate($attachment);
        }

        return implode(self::CRLF, $body) . '--';
    }

    /**
     * Get attachment mime template
     * @param array<string, string> $attachment
     * @return string
     */
    protected function getAttachmentMimeTemplate(array $attachment): string
    {
        $file = $attachment['file'];
        $data = $attachment['data'];

        $head = [];
        $head[] = sprintf('Content-Type: application/octet-stream; name="%s"', $file);
        $head[] = 'Content-Transfer-Encoding: base64';
        $head[] = sprintf('Content-Disposition: attachment; filename="%s"', $file);
        $head[] = '';
        $head[] = $data;
        $head[] = '';
        $head[] = sprintf('--%s', $this->uid);

        return implode(self::CRLF, $head);
    }

    /**
     * Format mail header
     * @param string $email
     * @param string|null $name
     * @return string
     */
    protected function formatHeader(string $email, ?string $name = null): string
    {
        if (empty($name)) {
            return $email;
        }

        return sprintf(
            '"%s" <%s>',
            $this->encodeUtf8($this->filterName($name)),
            $this->filterEmail($email)
        );
    }

    /**
     * Filter email address
     * @param string $email
     * @return string
     */
    protected function filterEmail(string $email): string
    {
        $rules = [
           "\r" => '',
            "\n" => '',
            "\t" => '',
            '"'  => '',
            ','  => '',
            '<'  => '',
            '>'  => ''
        ];

        $emailFiltered = filter_var(
            strtr($email, $rules),
            FILTER_SANITIZE_EMAIL
        );

        return $emailFiltered === false ? '' : $emailFiltered;
    }

    /**
     * Filter name address
     * @param string $name
     * @return string
     */
    protected function filterName(string $name): string
    {
        $rules = [
           "\r" => '',
            "\n" => '',
            "\t" => '',
            '"'  => "'",
            '<'  => '[',
            '>'  => ']',
        ];

        $filtered = filter_var(
            $name,
            FILTER_SANITIZE_STRING,
            FILTER_FLAG_NO_ENCODE_QUOTES
        );

        if ($filtered === false) {
            return '';
        }

        return trim(strtr($filtered, $rules));
    }

    /**
     * Filter the string other than email and name
     * @param string $value
     * @return string
     */
    protected function filterString(string $value): string
    {
        $filtered = filter_var(
            $value,
            FILTER_UNSAFE_RAW,
            FILTER_FLAG_STRIP_LOW
        );
        return $filtered === false ? '' : $filtered;
    }

    /**
     * Encode the UTF-8 value for the given string
     * @param string $value
     * @return string
     */
    protected function encodeUtf8(?string $value): string
    {
        $valueClean = trim((string)$value);
        if (preg_match('/(\s)/', $valueClean)) {
            return $this->encodeUtf8Words($valueClean);
        }

        return $this->encodeUtf8Word($valueClean);
    }

    /**
     * Encode the UTF-8 value for on word
     * @param string $value
     * @return string
     */
    protected function encodeUtf8Word(string $value): string
    {
        return sprintf('=?UTF-8?B?%s?=', base64_encode($value));
    }

    /**
     * Encode the UTF-8 for multiple word
     * @param string $value
     * @return string
     */
    protected function encodeUtf8Words(string $value): string
    {
        $words = explode(' ', $value);
        $encoded = [];
        foreach ($words as $word) {
            $encoded[] = $this->encodeUtf8Word($word);
        }
        return join($this->encodeUtf8Word(' '), $encoded);
    }
}


1			<?php
2
3			/**
4			* Platine Mail
5			*
6			* Platine Mail provides a flexible and powerful PHP email sender
7			* with support of SMTP, Native Mail, sendmail, etc transport.
8			*
9			* This content is released under the MIT License (MIT)
10			*
11			* Copyright (c) 2020 Platine Mail
12			* Copyright (c) 2015, Sonia Marquette
13			*
14			* Permission is hereby granted, free of charge, to any person obtaining a copy
15			* of this software and associated documentation files (the "Software"), to deal
16			* in the Software without restriction, including without limitation the rights
17			* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
18			* copies of the Software, and to permit persons to whom the Software is
19			* furnished to do so, subject to the following conditions:
20			*
21			* The above copyright notice and this permission notice shall be included in all
22			* copies or substantial portions of the Software.
23			*
24			* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
25			* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26			* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
27			* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
28			* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
29			* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30			* SOFTWARE.
31			*/
32
33			/**
34			* @file Message.php
35			*
36			* The Message class
37			*
38			* @package Platine\Mail
39			* @author Platine Developers Team
40			* @copyright Copyright (c) 2020
41			* @license http://opensource.org/licenses/MIT MIT License
42			* @link https://www.platine-php.com
43			* @version 1.0.0
44			* @filesource
45			*/
46
47			declare(strict_types=1);
48
49			namespace Platine\Mail;
50
51			use InvalidArgumentException;
52
53			/**
54			* @class Message
55			* @package Platine\Mail
56			*/
57			class Message implements MessageInterface
58			{
59			/**
60			* End of line char
61			*/
62			public const CRLF = PHP_EOL;
63
64			/**
65			*
66			* @var string
67			*/
68			protected string $from = '';
69
70			/**
71			*
72			* @var string
73			*/
74			protected string $replyTo = '';
75
76			/**
77			* The send mail receiver(s)
78			* @var array<int, string>
79			*/
80			protected array $to = [];
81
82			/**
83			* The send mail receiver(s) copy
84			* @var array<int\|string, string> $cc
85			*/
86			protected array $cc = [];
87
88			/**
89			* The send mail receiver(s) hidden copy
90			* @var array<int\|string, string> $bcc
91			*/
92			protected array $bcc = [];
93
94			/**
95			* The mail subject
96			* @var string
97			*/
98			protected string $subject = '';
99
100			/**
101			* The mail body
102			* @var string
103			*/
104			protected string $body = '';
105
106			/**
107			* The mail attachments
108			* @var array<int, array<string, string>>
109			*/
110			protected array $attachments = [];
111
112			/**
113			* The mail headers
114			* @var array<string, mixed>
115			*/
116			protected array $headers = [];
117
118			/**
119			* The mail boundary value
120			* @var string
121			*/
122			protected string $uid = '';
123
124			/**
125			* Maximum characters for each message line
126			* @var int
127			*/
128			protected int $wrap = 70;
129
130			/**
131			* Set mail priority
132			* @var int
133			*/
134			protected int $priority = 3;
135
136			/**
137			* Create new instance
138			*/
139			public function __construct()
140			{
141			$this->reset();
142			}
143
144			/**
145			* {@inheritedoc}
146			*/
147			public function reset(): self
148			{
149			$this->from = '';
150			$this->replyTo = '';
151			$this->to = [];
152			$this->cc = [];
153			$this->bcc = [];
154			$this->subject = '';
155			$this->body = '';
156			$this->attachments = [];
157			$this->headers = [];
158			$this->uid = md5(uniqid((string)time()));
159			$this->wrap = 70;
160			$this->priority = 3;
161
162			return $this;
163			}
164
165			/**
166			* {@inheritedoc}
167			*/
168			public function addAttachment(string $path, ?string $filename = null): self
169			{
170			if (file_exists($path) === false) {
171			throw new InvalidArgumentException(sprintf(
172			'The email attachment file [%s] does not exists.',
173			$path
174			));
175			}
176
177			if (empty($filename)) {
178			$filename = basename($path);
179			}
180
181			$data = $this->getAttachmentData($path);
182
183			if ($data !== null) {
184			$this->attachments[] = [
185			'file' => $this->encodeUtf8($this->filterString($filename)),
186			'path' => $path,
187			'data' => chunk_split(base64_encode($data))
188			];
189			}
190
191			return $this;
192			}
193
194			/**
195			* {@inheritedoc}
196			*/
197			public function setBcc(array $pairs): self
198			{
199			$this->bcc = $pairs;
200
201			return $this->addMailHeaders('Bcc', $pairs);
202			}
203
204			/**
205			* {@inheritedoc}
206			*/
207			public function getBcc(): array
208			{
209			return $this->bcc;
210			}
211
212			/**
213			* {@inheritedoc}
214			*/
215			public function setCc(array $pairs): self
216			{
217			$this->cc = $pairs;
218
219			return $this->addMailHeaders('Cc', $pairs);
220			}
221
222			/**
223			* {@inheritedoc}
224			*/
225			public function getCc(): array
226			{
227			return $this->cc;
228			}
229
230			/**
231			* {@inheritedoc}
232			*/
233			public function setBody(string $body): self
234			{
235			$this->body = str_replace("\n.", "\n..", $body);
236
237			return $this;
238			}
239
240			/**
241			* {@inheritedoc}
242			*/
243			public function getEncodedBody(): string
244			{
245			$body = wordwrap($this->body, $this->wrap);
246			if ($this->hasAttachments()) {
247			$body = $this->getBodyWithAttachments();
248			}
249
250			return $body;
251			}
252
253			/**
254			* {@inheritedoc}
255			*/
256			public function getEncodedHeaders(): string
257			{
258			$this->prepareHeaders();
259
260			$content = '';
261			foreach ($this->headers as $name => $value) {
262			$content .= $name . ': ' . $value . self::CRLF;
263			}
264
265			return $content;
266			}
267
268			/**
269			* {@inheritedoc}
270			*/
271			public function setFrom(string $email, ?string $name = null): self
272			{
273			$this->from = $this->formatHeader($email, $name);
274
275			return $this->addMailHeader('From', $email, $name);
276			}
277
278			/**
279			* {@inheritedoc}
280			*/
281			public function getFrom(): string
282			{
283			return $this->from;
284			}
285
286			/**
287			* {@inheritedoc}
288			*/
289			public function setReplyTo(string $email, ?string $name = null): self
290			{
291			$this->replyTo = $this->formatHeader($email, $name);
292
293			return $this->addMailHeader('Reply-To', $email, $name);
294			}
295
296			/**
297			* {@inheritedoc}
298			*/
299			public function getSubject(): string
300			{
301			return $this->subject;
302			}
303
304			/**
305			* {@inheritedoc}
306			*/
307			public function setSubject(string $subject): self
308			{
309			$this->subject = $this->encodeUtf8($this->filterString($subject));
310
311			return $this;
312			}
313
314			/**
315			* {@inheritedoc}
316			*/
317			public function setTo(string $email, ?string $name = null): self
318			{
319			$this->to[] = $this->formatHeader($email, $name);
320
321			return $this;
322			}
323
324			/**
325			* {@inheritedoc}
326			*/
327			public function getEncodedTo(): string
328			{
329			return join(', ', $this->to);
330			}
331
332			/**
333			* {@inheritedoc}
334			*/
335			public function getTo(): array
336			{
337			return $this->to;
338			}
339
340			/**
341			* {@inheritedoc}
342			*/
343			public function setWrap(int $wrap = 70): self
344			{
345			if ($wrap < 1) {
346			$wrap = 70;
347			}
348
349			$this->wrap = $wrap;
350
351			return $this;
352			}
353
354			/**
355			* {@inheritedoc}
356			*/
357			public function setPriority(int $priority = 3): self
358			{
359			if ($priority < 1 \|\| $priority > 5) {
360			$priority = 3;
361			}
362
363			$this->priority = $priority;
364
365			return $this;
366			}
367
368			/**
369			* {@inheritedoc}
370			*/
371			public function getHeader(string $name, mixed $default = null): mixed
372			{
373			$this->prepareHeaders();
374
375			return array_key_exists($name, $this->headers)
376			? $this->headers[$name]
377			: $default;
378			}
379
380			/**
381			* {@inheritedoc}
382			*/
383			public function addHeader(string $name, mixed $value): self
384			{
385			$this->headers[$name] = $value;
386
387			return $this;
388			}
389
390			/**
391			* {@inheritedoc}
392			*/
393			public function addMailHeader(string $header, string $email, ?string $name = null): self
394			{
395			$address = $this->formatHeader($email, $name);
396			$this->headers[$header] = $address;
397
398			return $this;
399			}
400
401			/**
402			* {@inheritedoc}
403			*/
404			public function addMailHeaders(string $header, array $pairs): self
405			{
406			if (count($pairs) === 0) {
407			throw new InvalidArgumentException('The mail headers is empty');
408			}
409
410			$addresses = [];
411			foreach ($pairs as $name => $email) {
412			if (is_numeric($name)) {
413			$name = null;
414			}
415			$addresses[] = $this->formatHeader($email, $name);
416			}
417
418			$this->addHeader($header, implode(', ', $addresses));
419
420			return $this;
421			}
422
423			/**
424			* {@inheritedoc}
425			*/
426			public function hasAttachments(): bool
427			{
428			return !empty($this->attachments);
429			}
430
431			/**
432			* {@inheritedoc}
433			*/
434			public function setHtml(): self
435			{
436			return $this->addHeader('Content-Type', 'text/html; charset="UTF-8"');
437			}
438
439			/**
440			* {@inheritedoc}
441			*/
442			public function __toString(): string
443			{
444			$content = $this->getEncodedHeaders();
445			$content .= self::CRLF;
446			$content .= $this->getEncodedBody();
447
448			return $content;
449			}
450
451			/**
452			* Prepare mail headers
453			* @return $this
454			*/
455			protected function prepareHeaders(): self
456			{
457			if (!array_key_exists('Return-Path', $this->headers)) {
458			$this->addHeader('Return-Path', $this->from);
459			}
460
461			if (!array_key_exists('Reply-To', $this->headers)) {
462			$this->addHeader('Reply-To', $this->from);
463			}
464
465			$this->addHeader('X-Priority', $this->priority)
466			->addHeader('X-Mailer', 'Platine PHP Mail')
467			->addHeader('Subject', $this->subject)
468			->addHeader('To', join(', ', $this->to))
469			->addHeader('Date', date('r'));
470
471			if ($this->hasAttachments()) {
472			$this->addHeader('MIME-Version', '1.0')
473			->addHeader(
474			'Content-Type',
475			sprintf('multipart/mixed; boundary="%s"', $this->uid)
476			);
477			}
478
479			return $this;
480			}
481
482			/**
483			* Get mail attachment data
484			* @param string $path
485			*
486			* @return string\|null
487			*/
488			protected function getAttachmentData(string $path): ?string
489			{
490			$filesize = filesize($path);
491			if ($filesize === false) {
492			return null;
493			}
494
495			$handle = fopen($path, 'r');
496			$content = null;
497			if (is_resource($handle)) {
498			$result = fread($handle, $filesize);
499			if ($result !== false) {
500			$content = $result;
501			}
502			fclose($handle);
503			}
504
505			return $content;
506			}
507
508			/**
509			* Return the attachment with body
510			* @return string
511			*/
512			protected function getBodyWithAttachments(): string
513			{
514			$body = [];
515			$body[] = 'This is a multi-part message in MIME format.';
516			$body[] = sprintf('--%s', $this->uid);
517			$body[] = 'Content-Type: text/html; charset="UTF-8"';
518			$body[] = 'Content-Transfer-Encoding: base64';
519			$body[] = self::CRLF;
520			$body[] = chunk_split(base64_encode($this->body));
521			$body[] = self::CRLF;
522			$body[] = sprintf('--%s', $this->uid);
523
524			foreach ($this->attachments as $attachment) {
525			$body[] = $this->getAttachmentMimeTemplate($attachment);
526			}
527
528			return implode(self::CRLF, $body) . '--';
529			}
530
531			/**
532			* Get attachment mime template
533			* @param array<string, string> $attachment
534			* @return string
535			*/
536			protected function getAttachmentMimeTemplate(array $attachment): string
537			{
538			$file = $attachment['file'];
539			$data = $attachment['data'];
540
541			$head = [];
542			$head[] = sprintf('Content-Type: application/octet-stream; name="%s"', $file);
543			$head[] = 'Content-Transfer-Encoding: base64';
544			$head[] = sprintf('Content-Disposition: attachment; filename="%s"', $file);
545			$head[] = '';
546			$head[] = $data;
547			$head[] = '';
548			$head[] = sprintf('--%s', $this->uid);
549
550			return implode(self::CRLF, $head);
551			}
552
553			/**
554			* Format mail header
555			* @param string $email
556			* @param string\|null $name
557			* @return string
558			*/
559			protected function formatHeader(string $email, ?string $name = null): string
560			{
561			if (empty($name)) {
562			return $email;
563			}
564
565			return sprintf(
566			'"%s" <%s>',
567			$this->encodeUtf8($this->filterName($name)),
568			$this->filterEmail($email)
569			);
570			}
571
572			/**
573			* Filter email address
574			* @param string $email
575			* @return string
576			*/
577			protected function filterEmail(string $email): string
578			{
579			$rules = [
580			"\r" => '',
581			"\n" => '',
582			"\t" => '',
583			'"' => '',
584			',' => '',
585			'<' => '',
586			'>' => ''
587			];
588
589			$emailFiltered = filter_var(
590			strtr($email, $rules),
591			FILTER_SANITIZE_EMAIL
592			);
593
594			return $emailFiltered === false ? '' : $emailFiltered;
595			}
596
597			/**
598			* Filter name address
599			* @param string $name
600			* @return string
601			*/
602			protected function filterName(string $name): string
603			{
604			$rules = [
605			"\r" => '',
606			"\n" => '',
607			"\t" => '',
608			'"' => "'",
609			'<' => '[',
610			'>' => ']',
611			];
612
613			$filtered = filter_var(
614			$name,
615			FILTER_SANITIZE_STRING,
616			FILTER_FLAG_NO_ENCODE_QUOTES
617			);
618
619			if ($filtered === false) {
620			return '';
621			}
622
623			return trim(strtr($filtered, $rules));
624			}
625
626			/**
627			* Filter the string other than email and name
628			* @param string $value
629			* @return string
630			*/
631			protected function filterString(string $value): string
632			{
633			$filtered = filter_var(
634			$value,
635			FILTER_UNSAFE_RAW,
636			FILTER_FLAG_STRIP_LOW
637			);
638			return $filtered === false ? '' : $filtered;
639			}
640
641			/**
642			* Encode the UTF-8 value for the given string
643			* @param string $value
644			* @return string
645			*/
646			protected function encodeUtf8(?string $value): string
647			{
648			$valueClean = trim((string)$value);
649			if (preg_match('/(\s)/', $valueClean)) {
650			return $this->encodeUtf8Words($valueClean);
651			}
652
653			return $this->encodeUtf8Word($valueClean);
654			}
655
656			/**
657			* Encode the UTF-8 value for on word
658			* @param string $value
659			* @return string
660			*/
661			protected function encodeUtf8Word(string $value): string
662			{
663			return sprintf('=?UTF-8?B?%s?=', base64_encode($value));
664			}
665
666			/**
667			* Encode the UTF-8 for multiple word
668			* @param string $value
669			* @return string
670			*/
671			protected function encodeUtf8Words(string $value): string
672			{
673			$words = explode(' ', $value);
674			$encoded = [];
675			foreach ($words as $word) {
676			$encoded[] = $this->encodeUtf8Word($word);
677			}
678			return join($this->encodeUtf8Word(' '), $encoded);
679			}
680			}
681

platine-php / mail

Message::getAttachmentMimeTemplate() A last analyzed 2025-05-19 18:18 UTC

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Duplication

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Message::getAttachmentMimeTemplate() A
last analyzed 2025-05-19 18:18 UTC