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- <?php
- namespace App\Services;
- use Cache;
- use App\Profile;
- use Illuminate\Support\Str;
- use Illuminate\Support\Facades\Http;
- use App\Util\Webfinger\WebfingerUrl;
- class AutolinkService
- {
- const CACHE_KEY = 'pf:services:autolink:';
- public static function mentionedUsernameExists($username)
- {
- $key = 'pf:services:autolink:userexists:' . hash('sha256', $username);
- return Cache::remember($key, 3600, function() use($username) {
- $remote = Str::of($username)->contains('@');
- $profile = Profile::whereUsername($username)->first();
- if($profile) {
- if($profile->domain != null) {
- $instance = InstanceService::getByDomain($profile->domain);
- if($instance && $instance->banned == true) {
- return false;
- }
- }
- return true;
- } else {
- if($remote) {
- $parts = explode('@', $username);
- $domain = last($parts);
- $instance = InstanceService::getByDomain($domain);
- if($instance) {
- if($instance->banned == true) {
- return false;
- } else {
- $wf = WebfingerUrl::generateWebfingerUrl($username);
- $res = Http::head($wf);
- return $res->ok();
- }
- } else {
- $wf = WebfingerUrl::generateWebfingerUrl($username);
- $res = Http::head($wf);
- return $res->ok();
- }
- }
- }
- return false;
- });
- }
- }
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