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