opnform/app/Http/Middleware/CustomDomainRestriction.php

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<?php
namespace App\Http\Middleware;
use App\Http\Requests\Workspace\CustomDomainRequest;
use App\Models\Forms\Form;
use App\Models\Workspace;
use Closure;
use Illuminate\Http\Request;
use Illuminate\Database\Eloquent\Builder;
class CustomDomainRestriction
{
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const CUSTOM_DOMAIN_HEADER = "x-custom-domain";
/**
* Handle an incoming request.
*/
public function handle(Request $request, Closure $next)
{
if (!$request->hasHeader(self::CUSTOM_DOMAIN_HEADER) || !config('custom-domains.enabled')) {
return $next($request);
}
$customDomain = $request->header(self::CUSTOM_DOMAIN_HEADER);
if (!preg_match(CustomDomainRequest::CUSTOM_DOMAINS_REGEX, $customDomain)) {
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\Log::info('[CUSTOM_DOMAIN]: Invalid domain', [
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'domain' => $customDomain,
'ip' => $request->ip(),
]);
return response()->json([
'success' => false,
'message' => 'Invalid domain',
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'error' => 'invalid_domain',
], 420);
}
// Check if domain is different from current domain
$notionFormsDomain = parse_url(config('app.url'))['host'];
if ($customDomain == $notionFormsDomain) {
return $next($request);
}
// Check if domain is known
if (!$workspace = Workspace::whereJsonContains('custom_domains',$customDomain)->first()) {
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\Log::info('[CUSTOM_DOMAIN]: Unknown domain', [
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'domain' => $customDomain,
'ip' => $request->ip(),
]);
return response()->json([
'success' => false,
'message' => 'Unknown domain',
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'error' => 'invalid_domain',
], 420);
}
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\Log::info('[CUSTOM_DOMAIN]: Applying scopes', [
'domain' => $customDomain,
'ip' => $request->ip(),
'workspace' => $workspace->id,
]);
Workspace::addGlobalScope('domain-restricted', function (Builder $builder) use ($workspace) {
$builder->where('workspaces.id', $workspace->id);
});
Form::addGlobalScope('domain-restricted', function (Builder $builder) use ($workspace) {
$builder->where('forms.workspace_id', $workspace->id);
});
return $next($request);
}
}