241 lines
7.2 KiB
PHP
241 lines
7.2 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Radio\Frontend;
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use App\Entity;
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use App\Environment;
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use App\Http\Router;
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use App\Radio\AbstractAdapter;
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use App\Radio\Enums\StreamFormats;
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use App\Xml\Reader;
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use Doctrine\ORM\EntityManagerInterface;
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use Exception;
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use GuzzleHttp\Client;
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use InvalidArgumentException;
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use NowPlaying\AdapterFactory;
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use NowPlaying\Result\Result;
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use PhpIP\IP;
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use PhpIP\IPBlock;
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use Psr\EventDispatcher\EventDispatcherInterface;
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use Psr\Http\Message\UriInterface;
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use Psr\Log\LoggerInterface;
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use Supervisor\SupervisorInterface;
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abstract class AbstractFrontend extends AbstractAdapter
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{
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public function __construct(
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protected AdapterFactory $adapterFactory,
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protected Client $http_client,
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protected Router $router,
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protected Entity\Repository\SettingsRepository $settingsRepo,
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protected Entity\Repository\StationMountRepository $stationMountRepo,
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Environment $environment,
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EntityManagerInterface $em,
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SupervisorInterface $supervisor,
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EventDispatcherInterface $dispatcher,
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LoggerInterface $logger
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) {
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parent::__construct($environment, $em, $supervisor, $dispatcher, $logger);
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}
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/**
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* @return bool Whether the station supports multiple mount points per station
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*/
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public function supportsMounts(): bool
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{
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return false;
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}
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/**
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* Get the default mounts when resetting or initializing a station.
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*
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* @return Entity\StationMount[]
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*/
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public function getDefaultMounts(Entity\Station $station): array
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{
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$record = new Entity\StationMount($station);
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$record->setName('/radio.mp3');
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$record->setIsDefault(true);
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$record->setEnableAutodj(true);
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$record->setAutodjFormat(StreamFormats::Mp3->value);
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$record->setAutodjBitrate(128);
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return [$record];
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}
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/**
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* @inheritdoc
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*/
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public function getProgramName(Entity\Station $station): string
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{
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return 'station_' . $station->getId() . ':station_' . $station->getId() . '_frontend';
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}
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/**
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* @param Entity\Station $station
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* @param UriInterface|null $base_url
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*/
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public function getStreamUrl(Entity\Station $station, UriInterface $base_url = null): UriInterface
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{
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$default_mount = $this->stationMountRepo->getDefaultMount($station);
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return $this->getUrlForMount($station, $default_mount, $base_url);
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}
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public function getUrlForMount(
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Entity\Station $station,
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?Entity\StationMount $mount = null,
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?UriInterface $base_url = null
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): UriInterface {
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if ($mount === null) {
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return $this->getPublicUrl($station, $base_url);
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}
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$customListenUri = $mount->getCustomListenUrlAsUri();
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if (null !== $customListenUri) {
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return $customListenUri;
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}
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$public_url = $this->getPublicUrl($station, $base_url);
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return $public_url->withPath($public_url->getPath() . $mount->getName());
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}
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public function getPublicUrl(Entity\Station $station, ?UriInterface $base_url = null): UriInterface
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{
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$radio_port = $station->getFrontendConfig()->getPort();
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$base_url ??= $this->router->getBaseUrl();
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$use_radio_proxy = $this->settingsRepo->readSettings()->getUseRadioProxy();
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if (
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$use_radio_proxy
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|| 'https' === $base_url->getScheme()
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|| (!$this->environment->isProduction() && !$this->environment->isDocker())
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) {
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// Web proxy support.
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return $base_url
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->withPath($base_url->getPath() . '/listen/' . $station->getShortName());
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}
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// Remove port number and other decorations.
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return $base_url
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->withPort($radio_port)
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->withPath('');
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}
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/**
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* @param Entity\Station $station
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* @param UriInterface|null $base_url
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*
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* @return UriInterface[]
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*/
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public function getStreamUrls(Entity\Station $station, UriInterface $base_url = null): array
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{
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$urls = [];
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foreach ($station->getMounts() as $mount) {
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$urls[] = $this->getUrlForMount($station, $mount, $base_url);
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}
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return $urls;
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}
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abstract public function getAdminUrl(Entity\Station $station, UriInterface $base_url = null): UriInterface;
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public function getNowPlaying(Entity\Station $station, bool $includeClients = true): Result
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{
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return Result::blank();
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}
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/**
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* @param string $custom_config_raw
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*
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* @return mixed[]|false
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*/
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protected function processCustomConfig(string $custom_config_raw): array|false
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{
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try {
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if (str_starts_with($custom_config_raw, '{')) {
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return json_decode($custom_config_raw, true, 512, JSON_THROW_ON_ERROR);
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}
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if (str_starts_with($custom_config_raw, '<')) {
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$xmlConfig = Reader::fromString('<custom_config>' . $custom_config_raw . '</custom_config>');
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return (false !== $xmlConfig)
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? (array)$xmlConfig
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: false;
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}
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} catch (Exception $e) {
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$this->logger->error(
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'Could not parse custom configuration.',
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[
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'config' => $custom_config_raw,
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'exception' => $e,
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]
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);
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}
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return false;
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}
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protected function writeUserAgentBansFile(
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Entity\Station $station,
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string $fileName = 'user_agent_bans.txt',
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): string {
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$bannedUserAgents = array_filter(
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array_map(
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'trim',
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explode("\n", $station->getFrontendConfig()->getBannedUserAgents() ?? '')
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)
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);
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$configDir = $station->getRadioConfigDir();
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$bansFile = $configDir . '/' . $fileName;
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file_put_contents($bansFile, implode("\n", $bannedUserAgents));
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return $bansFile;
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}
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protected function writeIpBansFile(
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Entity\Station $station,
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string $fileName = 'ip_bans.txt',
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string $ipsSeparator = "\n"
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): string {
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$ips = $this->getBannedIps($station);
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$configDir = $station->getRadioConfigDir();
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$bansFile = $configDir . '/' . $fileName;
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file_put_contents($bansFile, implode($ipsSeparator, $ips));
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return $bansFile;
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}
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protected function getBannedIps(Entity\Station $station): array
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{
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$ips = [];
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$bannedIps = $station->getFrontendConfig()->getBannedIps();
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if (!empty($bannedIps)) {
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foreach (array_filter(array_map('trim', explode("\n", $bannedIps))) as $ip) {
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try {
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if (!str_contains($ip, '/')) {
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$ipObj = IP::create($ip);
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$ips[] = (string)$ipObj;
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} else {
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// Iterate through CIDR notation
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foreach (IPBlock::create($ip) as $ipObj) {
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$ips[] = (string)$ipObj;
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}
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}
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} catch (InvalidArgumentException) {
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}
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}
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}
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return $ips;
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}
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}
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