Add ActiveSharedInboxService, for efficient sharedInbox caching

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Daniel Supernault 2024-09-04 22:11:28 -06:00
parent 520dd93ca2
commit 1a6a3397e4
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<?php
namespace App\Services\Federation;
use App\Profile;
use App\Util\ActivityPub\Helpers;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Redis;
use Illuminate\Support\Facades\Storage;
class ActiveSharedInboxService
{
const CACHE_KEY = 'pf:services:asinbox:list';
const CACHE_KEY_CHECK = 'pf:services:asinbox:list-check';
const CACHE_FILE_NAME = 'ap_asis.json';
const CACHE_FILE_VERSION = 1;
public static function get()
{
$res = Redis::smembers(self::CACHE_KEY);
if ($res) {
return $res;
}
if (! $res && self::count() == '0') {
return self::warmCheck();
}
}
public static function contains($member)
{
return Redis::sismember(self::CACHE_KEY, strtolower($member));
}
public static function count()
{
return Redis::scard(self::CACHE_KEY);
}
public static function add($member)
{
if (empty($member)) {
return false;
}
if (! str_starts_with(strtolower($member), 'https://')) {
$member = 'https://'.$member;
}
$validUrl = Helpers::validateUrl($member, false, true);
if (! $validUrl) {
return false;
}
return Redis::sadd(self::CACHE_KEY, strtolower($member));
}
public static function remove($member)
{
if (empty($member)) {
return false;
}
if (! str_starts_with(strtolower($member), 'https://')) {
$member = 'https://'.$member;
}
$validUrl = Helpers::validateUrl($member);
if (! $validUrl) {
return false;
}
return Redis::srem(self::CACHE_KEY, strtolower($member));
}
public static function warmCheck()
{
if (! Cache::has(self::CACHE_KEY_CHECK)) {
return self::warmCacheFromDatabase();
}
return [];
}
public static function warmCacheFromDatabase()
{
$res = self::parseCacheFileData() ? self::parseCacheFileData() : self::getFromDatabase();
if (Storage::has(self::CACHE_FILE_NAME)) {
$res = Storage::get(self::CACHE_FILE_NAME);
if (! $res) {
$res = self::getFromDatabase();
} else {
$res = json_decode($res, true);
if (isset($res['version'], $res['data'], $res['created'], $res['updated'])) {
if (now()->parse($res['updated'])->lt(now()->subMonths(6))) {
$res = self::getFromDatabase();
} else {
if ($res['version'] === self::CACHE_FILE_VERSION) {
$res = $res['data'];
} else {
$res = self::getFromDatabase();
}
}
} else {
$res = self::getFromDatabase();
}
}
} else {
$res = self::getFromDatabase();
}
if (! $res) {
return [];
}
$filteredList = [];
foreach ($res as $value) {
if (! $value || ! str_starts_with($value, 'https://')) {
continue;
}
$passed = self::add($value);
if ($passed) {
$filteredList[] = $value;
}
}
self::saveCacheToDisk($filteredList);
Cache::remember(self::CACHE_KEY_CHECK, 86400, function () {
return true;
});
return $res;
}
public static function parseCacheFileData()
{
if (Storage::has(self::CACHE_FILE_NAME)) {
$res = Storage::get(self::CACHE_FILE_NAME);
if (! $res) {
return false;
} else {
$res = json_decode($res, true);
if (! $res || isset($res['version'], $res['data'], $res['created'], $res['updated'])) {
if (now()->parse($res['updated'])->lt(now()->subMonths(6))) {
return false;
} else {
if ($res['version'] === self::CACHE_FILE_VERSION) {
return $res;
} else {
return false;
}
}
} else {
return false;
}
}
}
return false;
}
public static function transformCacheFileData($res)
{
return [
'id' => 'pixelfed/storage/app/'.self::CACHE_FILE_NAME,
'version' => self::CACHE_FILE_VERSION,
'created' => now()->format('c'),
'updated' => now()->format('c'),
'length' => count($res),
'data' => $res,
];
}
public static function updateCacheFileData()
{
$res = self::parseCacheFileData();
if (! $res) {
return false;
}
$diff = [];
$nodes = $res['data'];
$latest = self::getFromDatabase();
$merge = array_merge($nodes, $latest);
foreach ($merge as $val) {
if (! in_array($val, $nodes)) {
if (self::add($val)) {
$nodes[] = $val;
} else {
unset($nodes[$val]);
}
}
}
$data = [
'id' => 'pixelfed/storage/app/'.self::CACHE_FILE_NAME,
'version' => self::CACHE_FILE_VERSION,
'created' => $res['created'],
'updated' => now()->format('c'),
'length' => count($nodes),
'data' => $nodes,
];
$contents = json_encode($data, JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
Storage::put(self::CACHE_FILE_NAME, $contents);
return 1;
}
public static function saveCacheToDisk($res = false)
{
if (! $res) {
return;
}
$contents = json_encode(self::transformCacheFileData($res), JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
Storage::put(self::CACHE_FILE_NAME, $contents);
}
public static function getFromDatabase()
{
return Profile::whereNotNull('sharedInbox')->groupBy('sharedInbox')->pluck('sharedInbox')->toArray();
}
public static function scanForUpdates()
{
$res = self::getFromDatabase();
$filteredList = [];
foreach ($res as $value) {
if (! $value || ! str_starts_with($value, 'https://')) {
continue;
}
Redis::sadd(self::CACHE_KEY, $value);
$filteredList[] = $value;
}
self::saveCacheToDisk($filteredList);
return 1;
}
}