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Refactor AP profileFetch logic to fix race conditions and improve updating fields and avatars

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Daniel Supernault 2022-05-20 23:09:25 -06:00
parent 108e380394
commit 505261dab1
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2 changed files with 66 additions and 47 deletions
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2
app/Profile.php
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@ -26,7 +26,7 @@ class Profile extends Model
];
protected $hidden = ['private_key'];
protected $visible = ['id', 'user_id', 'username', 'name'];
protected $fillable = ['user_id'];
protected $guarded = [];
public function user()
{

93
app/Util/ActivityPub/Helpers.php
View file

@ -36,6 +36,7 @@ use App\Jobs\MediaPipeline\MediaStoragePipeline;
use App\Jobs\AvatarPipeline\RemoteAvatarFetch;
use App\Util\Media\License;
use App\Models\Poll;
use Illuminate\Contracts\Cache\LockTimeoutException;
class Helpers {
@ -664,16 +665,13 @@ class Helpers {
return;
}
public static function profileFirstOrNew($url, $runJobs = false)
public static function profileFirstOrNew($url)
{
$url = self::validateUrl($url);
if($url == false || strlen($url) > 190) {
if($url == false) {
return;
}
$hash = base64_encode($url);
$key = 'ap:profile:by_url:' . $hash;
$ttl = now()->addSeconds(60);
$profile = Cache::remember($key, $ttl, function() use($url, $runJobs) {
$host = parse_url($url, PHP_URL_HOST);
$local = config('pixelfed.domain.app') == $host ? true : false;
@ -685,6 +683,26 @@ class Helpers {
->firstOrFail();
}
if($profile = Profile::whereRemoteUrl($url)->first()) {
if($profile->last_fetched_at->lt(now()->subHours(24))) {
return self::profileUpdateOrCreate($url);
}
return $profile;
}
return self::profileUpdateOrCreate($url);
}
public static function profileUpdateOrCreate($url)
{
$hash = base64_encode($url);
$key = 'ap:profile:by_url:' . $hash;
$lock = Cache::lock($key, 30);
$profile = null;
try {
$lock->block(5);
$res = self::fetchProfileFromUrl($url);
if(isset($res['id']) == false) {
return;
@ -703,47 +721,48 @@ class Helpers {
abort_if(!self::validateUrl($res['inbox']), 400);
abort_if(!self::validateUrl($res['id']), 400);
$profile = Profile::whereRemoteUrl($res['id'])->first();
if(!$profile) {
$instance = Instance::firstOrCreate([
$profile = DB::transaction(function() use($domain, $webfinger, $res, $runJobs) {
$instance = Instance::updateOrCreate([
'domain' => $domain
]);
if($instance->wasRecentlyCreated == true) {
\App\Jobs\InstancePipeline\FetchNodeinfoPipeline::dispatch($instance)->onQueue('low');
}
$profile = DB::transaction(function() use($domain, $webfinger, $res, $runJobs) {
$profile = new Profile();
$profile->domain = strtolower($domain);
$profile->username = Purify::clean($webfinger);
$profile->name = isset($res['name']) ? Purify::clean($res['name']) : 'user';
$profile->bio = isset($res['summary']) ? Purify::clean($res['summary']) : null;
$profile->sharedInbox = isset($res['endpoints']) && isset($res['endpoints']['sharedInbox']) ? $res['endpoints']['sharedInbox'] : null;
$profile->inbox_url = $res['inbox'];
$profile->outbox_url = isset($res['outbox']) ? $res['outbox'] : null;
$profile->remote_url = $res['id'];
$profile->public_key = $res['publicKey']['publicKeyPem'];
$profile->key_id = $res['publicKey']['id'];
$profile->webfinger = Purify::clean($webfinger);
$profile->last_fetched_at = now();
$profile->save();
RemoteAvatarFetch::dispatch($profile);
return $profile;
});
} else {
// Update info after 24 hours
if($profile->last_fetched_at == null ||
$profile->last_fetched_at->lt(now()->subHours(24)) == true
$profile = Profile::updateOrCreate(
[
'domain' => strtolower($domain),
'username' => Purify::clean($webfinger),
'remote_url' => $res['id'],
],
[
'name' => isset($res['name']) ? Purify::clean($res['name']) : 'user',
'bio' => isset($res['summary']) ? Purify::clean($res['summary']) : null,
'sharedInbox' => isset($res['endpoints']) && isset($res['endpoints']['sharedInbox']) ? $res['endpoints']['sharedInbox'] : null,
'inbox_url' => $res['inbox'],
'outbox_url' => isset($res['outbox']) ? $res['outbox'] : null,
'public_key' => $res['publicKey']['publicKeyPem'],
'key_id' => $res['publicKey']['id'],
'webfinger' => Purify::clean($webfinger),
]
);
if( $profile->last_fetched_at == null ||
$profile->last_fetched_at->lt(now()->subHours(24))
) {
$profile->name = isset($res['name']) ? Purify::clean($res['name']) : 'user';
$profile->bio = isset($res['summary']) ? Purify::clean($res['summary']) : null;
$profile->last_fetched_at = now();
$profile->sharedInbox = isset($res['endpoints']) && isset($res['endpoints']['sharedInbox']) && Helpers::validateUrl($res['endpoints']['sharedInbox']) ? $res['endpoints']['sharedInbox'] : null;
$profile->save();
}
RemoteAvatarFetch::dispatch($profile);
}
$profile->last_fetched_at = now();
$profile->save();
return $profile;
});
return $profile;
} catch (LockTimeoutException $e) {
} finally {
optional($lock)->release();
}
return $profile;
}