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<?php
namespace Common\Core;
use Common\Domains\CustomDomain;
use Config;
use DB;
use Illuminate\Support\Arr;
use Str;
class AppUrl
{
/**
* If host in .env file and current request did not match, but
* we were able to find a matching custom domain in database.
*
* @var CustomDomain|null
*/
public $matchedCustomDomain = null;
/**
* Url "app.url" config item was changed to dynamically.
*
* @var string|null
*/
public $newAppUrl;
/**
* Whether hosts from APP_URL in .env file and current request match.
* This will strip "www" and schemes from both and only compare hosts.
*
* @var bool
*/
public $envAndCurrentHostsAreEqual;
/**
* @var string
*/
public $htmlBaseUri;
public function init()
{
$this->maybeDynamicallyUpdate();
$this->registerHtmlBaseUri();
return $this;
}
private function maybeDynamicallyUpdate()
{
$request = app('request');
$requestHost = $request->getHost();
$envParts = parse_url(config('app.url'));
$schemeIsDifferent =
$request->getScheme() !== Arr::get($envParts, 'scheme');
$this->envAndCurrentHostsAreEqual =
$this->getHostFrom($requestHost) ===
$this->getHostFrom(Arr::get($envParts, 'host'));
$hostsWithWwwAreEqual = $requestHost === Arr::get($envParts, 'host');
$customDomainsEnabled = config('common.site.enable_custom_domains');
$endsWithSlash = Str::endsWith(Arr::get($envParts, 'path'), '/');
if (
$this->envAndCurrentHostsAreEqual &&
($schemeIsDifferent || $endsWithSlash || !$hostsWithWwwAreEqual)
) {
$this->newAppUrl =
$request->getSchemeAndHttpHost() .
rtrim(Arr::get($envParts, 'path'), '/');
config(['app.url' => $this->newAppUrl]);
// update social auth urls as well
foreach (config('services') as $serviceName => $serviceConfig) {
if (isset($serviceConfig['redirect'])) {
Config::set(
"services.$serviceName.redirect",
"$this->newAppUrl/secure/auth/social/$serviceName/callback",
);
}
}
} elseif (!$this->envAndCurrentHostsAreEqual && $customDomainsEnabled) {
$this->matchedCustomDomain = DB::table('custom_domains')
->where('host', $requestHost)
->orWhere('host', $request->getSchemeAndHttpHost())
// if there are multiple domains with same host, get the one that has resource attached to it first
->orderBy('resource_id', 'desc')
->first();
if ($this->matchedCustomDomain) {
$this->newAppUrl = $request->getSchemeAndHttpHost();
config(['app.url' => $this->newAppUrl]);
}
}
}
private function registerHtmlBaseUri()
{
$htmlBaseUri = '/';
//get uri for html "base" tag
if (substr_count(config('app.url'), '/') > 2) {
$htmlBaseUri = parse_url(config('app.url'))['path'] . '/';
}
$this->htmlBaseUri = $htmlBaseUri;
}
/**
* @return string
*/
public function getRequestHost()
{
return $this->getHostFrom(app('request')->getHost());
}
public function requestHostMatches(
$hostOrUrl,
$subdomainMatch = false
): bool {
$hostOrUrl = $this->getHostFrom($hostOrUrl);
$requestHost = $this->getRequestHost();
return $hostOrUrl === $requestHost ||
($subdomainMatch && Str::endsWith($requestHost, $hostOrUrl));
}
/*
* Extract host from full or partial url.
* This will remove scheme, port, "www", path and query params.
*/
public function getHostFrom($hostOrUrl)
{
// if there's no scheme, add // so it's parsed properly
if (!preg_match('/^([a-z][a-z0-9\-\.\+]*:)|(\/)/', $hostOrUrl)) {
$hostOrUrl = '//' . $hostOrUrl;
}
$parts = parse_url($hostOrUrl);
return preg_replace('/^www\./i', '', $parts['host']);
}
}