DomainConfigTrait.php
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DomainConfigTrait.php
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	<?php

	namespace App\Traits;

	trait DomainConfigTrait
	{
	/**
	* A helper to get the domain configuration.
	*/
	public function getConfig(): array
	{
	$config = [];

	$spf = $this->getSetting('spf_whitelist');

	$config['spf_whitelist'] = $spf ? json_decode($spf, true) : [];

	return $config;
	}

	/**
	* A helper to update domain 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 => $value) {
	// validate and save SPF whitelist entries
	if ($key === 'spf_whitelist') {
	if (!is_array($value)) {
	$value = (array) $value;
	}

	foreach ($value as $i => $v) {
	$v = rtrim($v, '.');

	if (empty($v)) {
	unset($value[$i]);
	continue;
	}

	$value[$i] = $v;

	if ($v[0] !== '.' \|\| !filter_var(substr($v, 1), FILTER_VALIDATE_DOMAIN)) {
	$errors[$key][$i] = \trans('validation.spf-entry-invalid');
	}
	}

	if (empty($errors[$key])) {
	$this->setSetting($key, json_encode($value));
	}
	} else {
	$errors[$key] = \trans('validation.invalid-config-parameter');
	}
	}

	return $errors;
	}
	}