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SharedFolderName.php
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SharedFolderName.php
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<?php
namespace App\Rules;
use Illuminate\Contracts\Validation\Rule;
use Illuminate\Support\Facades\Validator;
use Illuminate\Support\Str;
class SharedFolderName implements Rule
{
private $message;
private $owner;
private $domain;
private const FORBIDDEN_CHARS = '+^%*!`@(){}|\\?<;"';
/**
* Class constructor.
*
* @param \App\User $owner The account owner
* @param string $domain The domain name of the group
*/
public function __construct($owner, $domain)
{
$this->owner = $owner;
$this->domain = Str::lower($domain);
}
/**
* Determine if the validation rule passes.
*
* @param string $attribute Attribute name
* @param mixed $name Shared folder name input
*
* @return bool
*/
public function passes($attribute, $name): bool
{
if (empty($name) || !is_string($name) || $name == 'Resources' || \str_starts_with($name, 'Resources/')) {
$this->message = \trans('validation.nameinvalid');
return false;
}
foreach (explode('/', $name) as $subfolder) {
$length = strlen($subfolder);
if (!$length || strcspn($subfolder, self::FORBIDDEN_CHARS) < $length) {
$this->message = \trans('validation.nameinvalid');
return false;
}
}
// Check the max length, according to the database column length
if (strlen($name) > 191) {
$this->message = \trans('validation.max.string', ['max' => 191]);
return false;
}
// Check if specified domain belongs to the user
if (!$this->owner->domains(true, false)->where('namespace', $this->domain)->exists()) {
$this->message = \trans('validation.domaininvalid');
return false;
}
// Check if the name is unique in the domain
// FIXME: Maybe just using the whole shared_folders table would be faster than sharedFolders()?
$exists = $this->owner->sharedFolders()
->where('name', $name)
->where('email', 'like', '%@' . $this->domain)
->exists();
if ($exists) {
$this->message = \trans('validation.nameexists');
return false;
}
return true;
}
/**
* Get the validation error message.
*
* @return string
*/
public function message(): ?string
{
return $this->message;
}
}

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