bug #36868 [Validator] Use Mime component to determine mime type for file validator (pierredup)
This PR was merged into the 4.4 branch.
Discussion
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[Validator] Use Mime component to determine mime type for file validator
| Q | A
| ------------- | ---
| Branch? | 4.4
| Bug fix? | yes
| New feature? | no
| Deprecations? | no
| Tickets | N/A
| License | MIT
| Doc PR | N/A
When validating the mime type for a file, the Validator component relies on the `Symfony\Component\HttpFoundation\File\File` class, but if the HttpFoundation component is not installed, then you just get the error
```
PHP Fatal error: Uncaught Error: Class 'Symfony\Component\HttpFoundation\File\File' not found
```
This PR uses the Mime component to get the mime type for a file and throws an exception if the Mime component is not installed.
Commits
-------
472883313f
[Validator] Use Mime component to determine mime type for file validator
This commit is contained in:
commit
5e0e9a8019
@ -13,8 +13,10 @@ namespace Symfony\Component\Validator\Constraints;
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use Symfony\Component\HttpFoundation\File\File as FileObject;
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use Symfony\Component\HttpFoundation\File\UploadedFile;
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use Symfony\Component\Mime\MimeTypes;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Exception\LogicException;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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use Symfony\Component\Validator\Exception\UnexpectedValueException;
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@ -170,12 +172,17 @@ class FileValidator extends ConstraintValidator
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}
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if ($constraint->mimeTypes) {
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if (!$value instanceof FileObject) {
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$value = new FileObject($value);
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if ($value instanceof FileObject) {
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$mime = $value->getMimeType();
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} elseif (class_exists(MimeTypes::class)) {
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$mime = MimeTypes::getDefault()->guessMimeType($path);
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} elseif (!class_exists(FileObject::class)) {
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throw new LogicException('You cannot validate the mime-type of files as the Mime component is not installed. Try running "composer require symfony/mime".');
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} else {
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$mime = (new FileObject($value))->getMimeType();
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}
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$mimeTypes = (array) $constraint->mimeTypes;
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$mime = $value->getMimeType();
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foreach ($mimeTypes as $mimeType) {
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if ($mimeType === $mime) {
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