Differential D2434 Diff 6820 src/app/Traits/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 => $v) {
				if (empty($v)) {
				unset($value[$i]);
				continue;
				}

				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;
				}
				}