113 lines
3.3 KiB
PHP
113 lines
3.3 KiB
PHP
<?php
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namespace App\Service\Forms\Integrations;
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use App\Mail\Forms\SubmissionConfirmationMail;
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use Illuminate\Support\Facades\Mail;
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use Illuminate\Support\Facades\Log;
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use Stevebauman\Purify\Facades\Purify;
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/**
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* Sends a confirmation to form respondant that form was submitted
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*/
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class SubmissionConfirmationIntegration extends AbstractIntegrationHandler
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{
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public const RISKY_USERS_LIMIT = 120;
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public static function getValidationRules(): array
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{
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return [
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'respondent_email' => [
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'required',
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'boolean',
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function ($attribute, $value, $fail) {
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if ($value !== true) {
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$fail('Need at least 1 email field.');
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}
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},
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],
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'confirmation_reply_to' => 'email|nullable',
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'notification_sender' => 'required',
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'notification_subject' => 'required',
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'notification_body' => 'required',
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'notifications_include_submission' => 'boolean'
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];
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}
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protected function shouldRun(): bool
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{
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return !(!$this->form->is_pro) && parent::shouldRun() && !$this->riskLimitReached();
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}
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public function handle(): void
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{
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if (!$this->shouldRun()) {
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return;
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}
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$email = $this->getRespondentEmail();
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if (!$email) {
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return;
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}
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Log::info('Sending submission confirmation', [
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'recipient' => $email,
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'form_id' => $this->form->id,
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'form_slug' => $this->form->slug,
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]);
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Mail::to($email)->send(new SubmissionConfirmationMail($this->event, $this->integrationData));
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}
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private function getRespondentEmail()
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{
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// Make sure we only have one email field in the form
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$emailFields = collect($this->form->properties)->filter(function ($field) {
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$hidden = $field['hidden'] ?? false;
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return !$hidden && $field['type'] == 'email';
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});
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if ($emailFields->count() != 1) {
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return null;
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}
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if (isset($this->submissionData[$emailFields->first()['id']])) {
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$email = $this->submissionData[$emailFields->first()['id']];
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if ($this->validateEmail($email)) {
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return $email;
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}
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}
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return null;
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}
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// To avoid phishing abuse we limit this feature for risky users
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private function riskLimitReached(): bool
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{
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// This is a per-workspace limit for risky workspaces
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if ($this->form->workspace->is_risky) {
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if ($this->form->workspace->submissions_count >= self::RISKY_USERS_LIMIT) {
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Log::error('!!!DANGER!!! Dangerous user detected! Attempting many email sending.', [
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'form_id' => $this->form->id,
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'workspace_id' => $this->form->workspace->id,
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]);
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return true;
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}
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}
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return false;
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}
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public static function validateEmail($email): bool
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{
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return (bool)filter_var($email, FILTER_VALIDATE_EMAIL);
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}
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public static function formatData(array $data): array
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{
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return array_merge(parent::formatData($data), [
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'notification_body' => Purify::clean($data['notification_body'] ?? ''),
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]);
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}
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}
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