FileValidator.php — MailPoet – Newsletters, Email Marketing, and Automation 5.36.0

mailpoet / vendor-prefixed / symfony / validator / Constraints / FileValidator.php

mailpoet / vendor-prefixed / symfony / validator / Constraints Last commit date

FileValidator.php

146 lines

1	<?php
2	namespace MailPoetVendor\Symfony\Component\Validator\Constraints;
3	if (!defined('ABSPATH')) exit;
4	use MailPoetVendor\Symfony\Component\HttpFoundation\File\File as FileObject;
5	use MailPoetVendor\Symfony\Component\HttpFoundation\File\UploadedFile;
6	use MailPoetVendor\Symfony\Component\Mime\MimeTypes;
7	use MailPoetVendor\Symfony\Component\Validator\Constraint;
8	use MailPoetVendor\Symfony\Component\Validator\ConstraintValidator;
9	use MailPoetVendor\Symfony\Component\Validator\Exception\LogicException;
10	use MailPoetVendor\Symfony\Component\Validator\Exception\UnexpectedTypeException;
11	use MailPoetVendor\Symfony\Component\Validator\Exception\UnexpectedValueException;
12	class FileValidator extends ConstraintValidator
13	{
14	public const KB_BYTES = 1000;
15	public const MB_BYTES = 1000000;
16	public const KIB_BYTES = 1024;
17	public const MIB_BYTES = 1048576;
18	private const SUFFICES = [1 => 'bytes', self::KB_BYTES => 'kB', self::MB_BYTES => 'MB', self::KIB_BYTES => 'KiB', self::MIB_BYTES => 'MiB'];
19	public function validate($value, Constraint $constraint)
20	{
21	if (!$constraint instanceof File) {
22	throw new UnexpectedTypeException($constraint, File::class);
23	}
24	if (null === $value \|\| '' === $value) {
25	return;
26	}
27	if ($value instanceof UploadedFile && !$value->isValid()) {
28	switch ($value->getError()) {
29	case \UPLOAD_ERR_INI_SIZE:
30	$iniLimitSize = UploadedFile::getMaxFilesize();
31	if ($constraint->maxSize && $constraint->maxSize < $iniLimitSize) {
32	$limitInBytes = $constraint->maxSize;
33	$binaryFormat = $constraint->binaryFormat;
34	} else {
35	$limitInBytes = $iniLimitSize;
36	$binaryFormat = $constraint->binaryFormat ?? \true;
37	}
38	[, $limitAsString, $suffix] = $this->factorizeSizes(0, $limitInBytes, $binaryFormat);
39	$this->context->buildViolation($constraint->uploadIniSizeErrorMessage)->setParameter('{{ limit }}', $limitAsString)->setParameter('{{ suffix }}', $suffix)->setCode((string) \UPLOAD_ERR_INI_SIZE)->addViolation();
40	return;
41	case \UPLOAD_ERR_FORM_SIZE:
42	$this->context->buildViolation($constraint->uploadFormSizeErrorMessage)->setCode((string) \UPLOAD_ERR_FORM_SIZE)->addViolation();
43	return;
44	case \UPLOAD_ERR_PARTIAL:
45	$this->context->buildViolation($constraint->uploadPartialErrorMessage)->setCode((string) \UPLOAD_ERR_PARTIAL)->addViolation();
46	return;
47	case \UPLOAD_ERR_NO_FILE:
48	$this->context->buildViolation($constraint->uploadNoFileErrorMessage)->setCode((string) \UPLOAD_ERR_NO_FILE)->addViolation();
49	return;
50	case \UPLOAD_ERR_NO_TMP_DIR:
51	$this->context->buildViolation($constraint->uploadNoTmpDirErrorMessage)->setCode((string) \UPLOAD_ERR_NO_TMP_DIR)->addViolation();
52	return;
53	case \UPLOAD_ERR_CANT_WRITE:
54	$this->context->buildViolation($constraint->uploadCantWriteErrorMessage)->setCode((string) \UPLOAD_ERR_CANT_WRITE)->addViolation();
55	return;
56	case \UPLOAD_ERR_EXTENSION:
57	$this->context->buildViolation($constraint->uploadExtensionErrorMessage)->setCode((string) \UPLOAD_ERR_EXTENSION)->addViolation();
58	return;
59	default:
60	$this->context->buildViolation($constraint->uploadErrorMessage)->setCode((string) $value->getError())->addViolation();
61	return;
62	}
63	}
64	if (!\is_scalar($value) && !$value instanceof FileObject && !(\is_object($value) && \method_exists($value, '__toString'))) {
65	throw new UnexpectedValueException($value, 'string');
66	}
67	$path = $value instanceof FileObject ? $value->getPathname() : (string) $value;
68	if (!\is_file($path)) {
69	$this->context->buildViolation($constraint->notFoundMessage)->setParameter('{{ file }}', $this->formatValue($path))->setCode(File::NOT_FOUND_ERROR)->addViolation();
70	return;
71	}
72	if (!\is_readable($path)) {
73	$this->context->buildViolation($constraint->notReadableMessage)->setParameter('{{ file }}', $this->formatValue($path))->setCode(File::NOT_READABLE_ERROR)->addViolation();
74	return;
75	}
76	$sizeInBytes = \filesize($path);
77	$basename = $value instanceof UploadedFile ? $value->getClientOriginalName() : \basename($path);
78	if (0 === $sizeInBytes) {
79	$this->context->buildViolation($constraint->disallowEmptyMessage)->setParameter('{{ file }}', $this->formatValue($path))->setParameter('{{ name }}', $this->formatValue($basename))->setCode(File::EMPTY_ERROR)->addViolation();
80	return;
81	}
82	if ($constraint->maxSize) {
83	$limitInBytes = $constraint->maxSize;
84	if ($sizeInBytes > $limitInBytes) {
85	[$sizeAsString, $limitAsString, $suffix] = $this->factorizeSizes($sizeInBytes, $limitInBytes, $constraint->binaryFormat);
86	$this->context->buildViolation($constraint->maxSizeMessage)->setParameter('{{ file }}', $this->formatValue($path))->setParameter('{{ size }}', $sizeAsString)->setParameter('{{ limit }}', $limitAsString)->setParameter('{{ suffix }}', $suffix)->setParameter('{{ name }}', $this->formatValue($basename))->setCode(File::TOO_LARGE_ERROR)->addViolation();
87	return;
88	}
89	}
90	if ($constraint->mimeTypes) {
91	if ($value instanceof FileObject) {
92	$mime = $value->getMimeType();
93	} elseif (\class_exists(MimeTypes::class)) {
94	$mime = MimeTypes::getDefault()->guessMimeType($path);
95	} elseif (!\class_exists(FileObject::class)) {
96	throw new LogicException('You cannot validate the mime-type of files as the Mime component is not installed. Try running "composer require symfony/mime".');
97	} else {
98	$mime = (new FileObject($value))->getMimeType();
99	}
100	$mimeTypes = (array) $constraint->mimeTypes;
101	foreach ($mimeTypes as $mimeType) {
102	if ($mimeType === $mime) {
103	return;
104	}
105	if ($discrete = \strstr($mimeType, '/*', \true)) {
106	if (\strstr($mime, '/', \true) === $discrete) {
107	return;
108	}
109	}
110	}
111	$this->context->buildViolation($constraint->mimeTypesMessage)->setParameter('{{ file }}', $this->formatValue($path))->setParameter('{{ type }}', $this->formatValue($mime))->setParameter('{{ types }}', $this->formatValues($mimeTypes))->setParameter('{{ name }}', $this->formatValue($basename))->setCode(File::INVALID_MIME_TYPE_ERROR)->addViolation();
112	}
113	}
114	private static function moreDecimalsThan(string $double, int $numberOfDecimals) : bool
115	{
116	return \strlen($double) > \strlen(\round($double, $numberOfDecimals));
117	}
118	private function factorizeSizes(int $size, $limit, bool $binaryFormat) : array
119	{
120	if ($binaryFormat) {
121	$coef = self::MIB_BYTES;
122	$coefFactor = self::KIB_BYTES;
123	} else {
124	$coef = self::MB_BYTES;
125	$coefFactor = self::KB_BYTES;
126	}
127	$limitAsString = (string) ($limit / $coef);
128	// Restrict the limit to 2 decimals (without rounding! we
129	// need the precise value)
130	while (self::moreDecimalsThan($limitAsString, 2)) {
131	$coef /= $coefFactor;
132	$limitAsString = (string) ($limit / $coef);
133	}
134	// Convert size to the same measure, but round to 2 decimals
135	$sizeAsString = (string) \round($size / $coef, 2);
136	// If the size and limit produce the same string output
137	// (due to rounding), reduce the coefficient
138	while ($sizeAsString === $limitAsString) {
139	$coef /= $coefFactor;
140	$limitAsString = (string) ($limit / $coef);
141	$sizeAsString = (string) \round($size / $coef, 2);
142	}
143	return [$sizeAsString, $limitAsString, self::SUFFICES[$coef]];
144	}
145	}
146