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<?php
namespace MailPoet\Services;
if (!defined('ABSPATH')) exit;
use MailPoet\DI\ContainerWrapper;
use MailPoet\Mailer\Mailer;
use MailPoet\Services\Bridge\API;
use MailPoet\Settings\SettingsController;
use MailPoet\Util\License\Features\Subscribers as SubscribersFeature;
use MailPoet\WP\Functions as WPFunctions;
class Bridge {
const API_KEY_SETTING_NAME = 'mta.mailpoet_api_key';
const API_KEY_STATE_SETTING_NAME = 'mta.mailpoet_api_key_state';
const AUTHORIZED_EMAIL_ADDRESSES_ERROR_SETTING_NAME = 'authorized_emails_addresses_check';
const PREMIUM_KEY_SETTING_NAME = 'premium.premium_key';
const PREMIUM_KEY_STATE_SETTING_NAME = 'premium.premium_key_state';
const PREMIUM_KEY_VALID = 'valid'; // for backwards compatibility until version 3.0.0
const KEY_VALID = 'valid';
const KEY_INVALID = 'invalid';
const KEY_EXPIRING = 'expiring';
const KEY_ALREADY_USED = 'already_used';
const KEY_CHECK_ERROR = 'check_error';
const CHECK_ERROR_UNAVAILABLE = 503;
const CHECK_ERROR_UNKNOWN = 'unknown';
const BRIDGE_URL = 'https://bridge.mailpoet.com';
/** @var API|null */
public $api;
/** @var SettingsController */
private $settings;
/** @var SubscribersFeature */
private $subscribersFeature;
public function __construct(
SettingsController $settingsController = null,
SubscribersFeature $subscribersFeature = null
) {
if ($settingsController === null) {
$settingsController = SettingsController::getInstance();
}
if ($subscribersFeature === null) {
$subscribersFeature = ContainerWrapper::getInstance()->get(SubscribersFeature::class);
}
$this->settings = $settingsController;
$this->subscribersFeature = $subscribersFeature;
}
/**
* @deprecated Use non static function isMailpoetSendingServiceEnabled instead
* @return bool
*/
public static function isMPSendingServiceEnabled() {
try {
$mailerConfig = SettingsController::getInstance()->get(Mailer::MAILER_CONFIG_SETTING_NAME);
return !empty($mailerConfig['method'])
&& $mailerConfig['method'] === Mailer::METHOD_MAILPOET;
} catch (\Exception $e) {
return false;
}
}
public function isMailpoetSendingServiceEnabled() {
try {
$mailerConfig = SettingsController::getInstance()->get(Mailer::MAILER_CONFIG_SETTING_NAME);
return !empty($mailerConfig['method'])
&& $mailerConfig['method'] === Mailer::METHOD_MAILPOET;
} catch (\Exception $e) {
return false;
}
}
public static function isMSSKeySpecified() {
$settings = SettingsController::getInstance();
$key = $settings->get(self::API_KEY_SETTING_NAME);
return !empty($key);
}
public static function isPremiumKeySpecified() {
$settings = SettingsController::getInstance();
$key = $settings->get(self::PREMIUM_KEY_SETTING_NAME);
return !empty($key);
}
public static function pingBridge() {
$params = [
'blocking' => true,
'timeout' => 10,
];
$wp = new WPFunctions();
$result = $wp->wpRemoteGet(self::BRIDGE_URL, $params);
return $wp->wpRemoteRetrieveResponseCode($result) === 200;
}
public function initApi($apiKey) {
if ($this->api) {
$this->api->setKey($apiKey);
} else {
$this->api = new Bridge\API($apiKey);
}
}
/**
* @param string $key
* @return API
*/
public function getApi($key) {
$this->initApi($key);
assert($this->api instanceof API);
return $this->api;
}
public function getAuthorizedEmailAddresses($type = 'authorized'): array {
$data = $this
->getApi($this->settings->get(self::API_KEY_SETTING_NAME))
->getAuthorizedEmailAddresses();
if ($data && $type === 'all') {
return $data;
}
return isset($data[$type]) ? $data[$type] : [];
}
/**
* Create Authorized Email Address
*/
public function createAuthorizedEmailAddress(string $emailAdress) {
$data = $this
->getApi($this->settings->get(self::API_KEY_SETTING_NAME))
->createAuthorizedEmailAddress($emailAdress);
return $data;
}
/**
* Get a list of sender domains
* returns an assoc array of [domainName => Array(DNS responses)]
* pass in the domain arg to return only the DNS response for the domain
* For format see @see https://github.com/mailpoet/services-bridge#sender-domains
*/
public function getAuthorizedSenderDomains($domain = 'all'): array {
$domain = strtolower($domain);
$data = $this
->getApi($this->settings->get(self::API_KEY_SETTING_NAME))
->getAuthorizedSenderDomains();
$data = $data ?? [];
$allSenderDomains = [];
foreach ($data as $subarray) {
if (isset($subarray['domain'])) {
$allSenderDomains[strtolower($subarray['domain'])] = $subarray['dns'] ?? [];
}
}
if ($domain !== 'all') {
// return an empty array if the provided domain can not be found
return $allSenderDomains[$domain] ?? [];
}
return $allSenderDomains;
}
/**
* Create a new Sender domain record
* returns an Array of DNS response or array of error
* @see https://github.com/mailpoet/services-bridge#verify-a-sender-domain for response format
*/
public function createAuthorizedSenderDomain(string $domain): array {
$data = $this
->getApi($this->settings->get(self::API_KEY_SETTING_NAME))
->createAuthorizedSenderDomain($domain);
return $data['dns'] ?? $data;
}
/**
* Verify Sender Domain records
* returns an Array of DNS response or an array of error
* @see https://github.com/mailpoet/services-bridge#verify-a-sender-domain
*/
public function verifyAuthorizedSenderDomain(string $domain): array {
$data = $this
->getApi($this->settings->get(self::API_KEY_SETTING_NAME))
->verifyAuthorizedSenderDomain($domain);
return $data;
}
public function checkMSSKey($apiKey) {
$result = $this
->getApi($apiKey)
->checkMSSKey();
return $this->processKeyCheckResult($result);
}
public function storeMSSKeyAndState($key, $state) {
if (
empty($state['state'])
|| $state['state'] === self::KEY_CHECK_ERROR
) {
return false;
}
// store the key itself
$this->settings->set(
self::API_KEY_SETTING_NAME,
$key
);
// store the key state
$this->settings->set(
self::API_KEY_STATE_SETTING_NAME,
$state
);
}
public function checkPremiumKey($key) {
$result = $this
->getApi($key)
->checkPremiumKey();
return $this->processKeyCheckResult($result);
}
private function processKeyCheckResult(array $result) {
$stateMap = [
200 => self::KEY_VALID,
401 => self::KEY_INVALID,
402 => self::KEY_ALREADY_USED,
403 => self::KEY_INVALID,
];
if (!empty($result['code']) && isset($stateMap[$result['code']])) {
if (
$stateMap[$result['code']] == self::KEY_VALID
&& !empty($result['data']['expire_at'])
) {
$keyState = self::KEY_EXPIRING;
} else {
$keyState = $stateMap[$result['code']];
}
} else {
$keyState = self::KEY_CHECK_ERROR;
}
return $this->buildKeyState(
$keyState,
$result
);
}
public function storePremiumKeyAndState($key, $state) {
if (
empty($state['state'])
|| $state['state'] === self::KEY_CHECK_ERROR
) {
return false;
}
// store the key itself
$this->settings->set(
self::PREMIUM_KEY_SETTING_NAME,
$key
);
// store the key state
$this->settings->set(
self::PREMIUM_KEY_STATE_SETTING_NAME,
$state
);
}
private function buildKeyState($keyState, $result) {
$state = [
'state' => $keyState,
'data' => !empty($result['data']) ? $result['data'] : null,
'code' => !empty($result['code']) ? $result['code'] : self::CHECK_ERROR_UNKNOWN,
];
return $state;
}
public function updateSubscriberCount(string $key): bool {
return $this->getApi($key)->updateSubscriberCount($this->subscribersFeature->getSubscribersCount());
}
public static function invalidateKey() {
$settings = SettingsController::getInstance();
$settings->set(
self::API_KEY_STATE_SETTING_NAME,
['state' => self::KEY_INVALID]
);
}
public function onSettingsSave($settings) {
$apiKey = $settings[Mailer::MAILER_CONFIG_SETTING_NAME]['mailpoet_api_key'] ?? null;
$premiumKey = $settings['premium']['premium_key'] ?? null;
if (!empty($apiKey)) {
$apiKeyState = $this->checkMSSKey($apiKey);
$this->storeMSSKeyAndState($apiKey, $apiKeyState);
}
if (!empty($premiumKey)) {
$premiumState = $this->checkPremiumKey($premiumKey);
$this->storePremiumKeyAndState($premiumKey, $premiumState);
}
if ($apiKey && !empty($apiKeyState) && $apiKeyState['state'] === self::KEY_VALID) {
return $this->updateSubscriberCount($apiKey);
}
if ($premiumKey && !empty($premiumState) && $premiumState['state'] === self::KEY_VALID) {
return $this->updateSubscriberCount($apiKey);
}
}
}