Differential D3002 Diff 8579 src/app/Traits/GroupConfigTrait.php

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				<?php

				namespace App\Traits;

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

				$sp = $this->getSetting('sender_policy');

				$config['sender_policy'] = array_filter(
				$sp ? json_decode($sp, true) : [],
				function ($item) {
				// remove the special "-" entry, it's an implementation detail
				return $item !== '-';
				}
				);

				return $config;
				}

				/**
				* A helper to update a group 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 => $value) {
				// validate and save SMTP sender policy entries
				if ($key === 'sender_policy') {
				if (!is_array($value)) {
				$value = (array) $value;
				}

				foreach ($value as $i => $v) {
				if (!is_string($v)) {
				$errors[$key][$i] = \trans('validation.sp-entry-invalid');
				}
				}

				if (empty($errors[$key])) {
				// remove empty entries, and '-' entry
				$value = array_filter($value, function ($item) {
				return strlen($item) > 0 && $item !== '-';
				});

				if (!empty($value)) {
				$value[] = '-'; // Block anyone not on the list
				}

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

				return $errors;
				}
				}