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SharedFolderConfigTrait.php
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SharedFolderConfigTrait.php
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<?php
namespace App\Traits;
use Illuminate\Support\Facades\Validator;
trait SharedFolderConfigTrait
{
/**
* A helper to get a shared folder configuration.
*/
public function getConfig(): array
{
$config = [];
$settings = $this->getSettings(['acl']);
$config['acl'] = !empty($settings['acl']) ? json_decode($settings['acl'], true) : [];
return $config;
}
/**
* A helper to update a shared folder configuration.
*
* @param array $config An array of configuration options
*
* @return array A list of input validation errors
*/
public function setConfig(array $config): array
{
$errors = [];
foreach ($config as $key => $value) {
// validate and save the acl
if ($key === 'acl') {
// Here's the list of acl labels supported by kolabd
// 'all': 'lrsedntxakcpiw',
// 'append': 'wip',
// 'full': 'lrswipkxtecdn',
// 'read': 'lrs',
// 'read-only': 'lrs',
// 'read-write': 'lrswitedn',
// 'post': 'p',
// 'semi-full': 'lrswit',
// 'write': 'lrswite',
// For now we support read-only, read-write, and full
if (!is_array($value)) {
$value = (array) $value;
}
$users = [];
foreach ($value as $i => $v) {
if (!is_string($v) || empty($v) || !substr_count($v, ',')) {
$errors[$key][$i] = \trans('validation.acl-entry-invalid');
} else {
list($user, $acl) = explode(',', $v, 2);
$user = trim($user);
$acl = trim($acl);
$error = null;
if (
!in_array($acl, ['read-only', 'read-write', 'full'])
|| ($error = $this->validateAclIdentifier($user))
|| in_array($user, $users)
) {
$errors[$key][$i] = $error ?: \trans('validation.acl-entry-invalid');
}
$value[$i] = "$user, $acl";
$users[] = $user;
}
}
if (empty($errors[$key])) {
$this->setSetting($key, json_encode($value));
}
} else {
$errors[$key] = \trans('validation.invalid-config-parameter');
}
}
return $errors;
}
/**
* Validate an ACL identifier.
*
* @param string $identifier Email address or a special identifier
*
* @return ?string Error message on validation error
*/
protected function validateAclIdentifier(string $identifier): ?string
{
if ($identifier === 'anyone') {
return null;
}
$v = Validator::make(['email' => $identifier], ['email' => 'required|email']);
if ($v->fails()) {
return \trans('validation.emailinvalid');
}
$user = \App\User::where('email', \strtolower($identifier))->first();
// The user and shared folder must be in the same wallet
if ($user && ($wallet = $user->wallet())) {
if ($wallet->user_id == $this->wallet()->user_id) {
return null;
}
}
return \trans('validation.notalocaluser');
}
}

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