mirror of
https://github.com/pixelfed/pixelfed.git
synced 2024-11-10 08:44:49 +00:00
456 lines
12 KiB
PHP
456 lines
12 KiB
PHP
<?php
|
|
|
|
namespace App\Util\ActivityPub;
|
|
|
|
use DB, Cache, Purify, Storage, Request, Validator;
|
|
use App\{
|
|
Activity,
|
|
Follower,
|
|
Like,
|
|
Media,
|
|
Notification,
|
|
Profile,
|
|
Status
|
|
};
|
|
use Zttp\Zttp;
|
|
use Carbon\Carbon;
|
|
use GuzzleHttp\Client;
|
|
use Illuminate\Http\File;
|
|
use Illuminate\Validation\Rule;
|
|
use App\Jobs\AvatarPipeline\CreateAvatar;
|
|
use App\Jobs\RemoteFollowPipeline\RemoteFollowImportRecent;
|
|
use App\Jobs\ImageOptimizePipeline\{ImageOptimize,ImageThumbnail};
|
|
use App\Jobs\StatusPipeline\NewStatusPipeline;
|
|
use App\Util\ActivityPub\HttpSignature;
|
|
use Illuminate\Support\Str;
|
|
|
|
class Helpers {
|
|
|
|
public static function validateObject($data)
|
|
{
|
|
$verbs = ['Create', 'Announce', 'Like', 'Follow', 'Delete', 'Accept', 'Reject', 'Undo', 'Tombstone'];
|
|
|
|
$valid = Validator::make($data, [
|
|
'type' => [
|
|
'required',
|
|
'string',
|
|
Rule::in($verbs)
|
|
],
|
|
'id' => 'required|string',
|
|
'actor' => 'required|string|url',
|
|
'object' => 'required',
|
|
'object.type' => 'required_if:type,Create',
|
|
'object.attributedTo' => 'required_if:type,Create|url',
|
|
'published' => 'required_if:type,Create|date'
|
|
])->passes();
|
|
|
|
return $valid;
|
|
}
|
|
|
|
public static function verifyAttachments($data)
|
|
{
|
|
if(!isset($data['object']) || empty($data['object'])) {
|
|
$data = ['object'=>$data];
|
|
}
|
|
|
|
$activity = $data['object'];
|
|
|
|
$mimeTypes = explode(',', config('pixelfed.media_types'));
|
|
$mediaTypes = in_array('video/mp4', $mimeTypes) ? ['Document', 'Image', 'Video'] : ['Document', 'Image'];
|
|
|
|
if(!isset($activity['attachment']) || empty($activity['attachment'])) {
|
|
return false;
|
|
}
|
|
|
|
$attachment = $activity['attachment'];
|
|
$valid = Validator::make($attachment, [
|
|
'*.type' => [
|
|
'required',
|
|
'string',
|
|
Rule::in($mediaTypes)
|
|
],
|
|
'*.url' => 'required|url|max:255',
|
|
'*.mediaType' => [
|
|
'required',
|
|
'string',
|
|
Rule::in($mimeTypes)
|
|
],
|
|
'*.name' => 'nullable|string|max:255'
|
|
])->passes();
|
|
|
|
return $valid;
|
|
}
|
|
|
|
public static function normalizeAudience($data, $localOnly = true)
|
|
{
|
|
if(!isset($data['to'])) {
|
|
return;
|
|
}
|
|
|
|
$audience = [];
|
|
$audience['to'] = [];
|
|
$audience['cc'] = [];
|
|
$scope = 'private';
|
|
|
|
if(is_array($data['to']) && !empty($data['to'])) {
|
|
foreach ($data['to'] as $to) {
|
|
if($to == 'https://www.w3.org/ns/activitystreams#Public') {
|
|
$scope = 'public';
|
|
continue;
|
|
}
|
|
$url = $localOnly ? self::validateLocalUrl($to) : self::validateUrl($to);
|
|
if($url != false) {
|
|
array_push($audience['to'], $url);
|
|
}
|
|
}
|
|
}
|
|
|
|
if(is_array($data['cc']) && !empty($data['cc'])) {
|
|
foreach ($data['cc'] as $cc) {
|
|
if($cc == 'https://www.w3.org/ns/activitystreams#Public') {
|
|
$scope = 'unlisted';
|
|
continue;
|
|
}
|
|
$url = $localOnly ? self::validateLocalUrl($cc) : self::validateUrl($cc);
|
|
if($url != false) {
|
|
array_push($audience['cc'], $url);
|
|
}
|
|
}
|
|
}
|
|
$audience['scope'] = $scope;
|
|
return $audience;
|
|
}
|
|
|
|
public static function userInAudience($profile, $data)
|
|
{
|
|
$audience = self::normalizeAudience($data);
|
|
$url = $profile->permalink();
|
|
return in_array($url, $audience['to']) || in_array($url, $audience['cc']);
|
|
}
|
|
|
|
public static function validateUrl($url)
|
|
{
|
|
$localhosts = [
|
|
'127.0.0.1', 'localhost', '::1'
|
|
];
|
|
|
|
if(mb_substr($url, 0, 8) !== 'https://') {
|
|
return false;
|
|
}
|
|
|
|
$valid = filter_var($url, FILTER_VALIDATE_URL);
|
|
|
|
if(!$valid) {
|
|
return false;
|
|
}
|
|
|
|
$host = parse_url($valid, PHP_URL_HOST);
|
|
|
|
if(count(dns_get_record($host, DNS_A | DNS_AAAA)) == 0) {
|
|
return false;
|
|
}
|
|
|
|
if(config('costar.enabled') == true) {
|
|
if(
|
|
(config('costar.domain.block') != null && Str::contains($host, config('costar.domain.block')) == true) ||
|
|
(config('costar.actor.block') != null && in_array($url, config('costar.actor.block')) == true)
|
|
) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if(in_array($host, $localhosts)) {
|
|
return false;
|
|
}
|
|
|
|
return $valid;
|
|
}
|
|
|
|
public static function validateLocalUrl($url)
|
|
{
|
|
$url = self::validateUrl($url);
|
|
if($url == true) {
|
|
$domain = config('pixelfed.domain.app');
|
|
$host = parse_url($url, PHP_URL_HOST);
|
|
$url = $domain === $host ? $url : false;
|
|
return $url;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public static function zttpUserAgent()
|
|
{
|
|
return [
|
|
'Accept' => 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"',
|
|
'User-Agent' => 'PixelfedBot - https://pixelfed.org',
|
|
];
|
|
}
|
|
|
|
public static function fetchFromUrl($url)
|
|
{
|
|
$url = self::validateUrl($url);
|
|
if($url == false) {
|
|
return;
|
|
}
|
|
$res = Zttp::withHeaders(self::zttpUserAgent())->get($url);
|
|
$res = json_decode($res->body(), true, 8);
|
|
if(json_last_error() == JSON_ERROR_NONE) {
|
|
return $res;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public static function fetchProfileFromUrl($url)
|
|
{
|
|
return self::fetchFromUrl($url);
|
|
}
|
|
|
|
public static function statusFirstOrFetch($url, $replyTo = false)
|
|
{
|
|
$url = self::validateUrl($url);
|
|
if($url == false) {
|
|
return;
|
|
}
|
|
|
|
$host = parse_url($url, PHP_URL_HOST);
|
|
$local = config('pixelfed.domain.app') == $host ? true : false;
|
|
|
|
if($local) {
|
|
$id = (int) last(explode('/', $url));
|
|
return Status::findOrFail($id);
|
|
} else {
|
|
$cached = Status::whereUri($url)->orWhere('url', $url)->first();
|
|
if($cached) {
|
|
return $cached;
|
|
}
|
|
$res = self::fetchFromUrl($url);
|
|
if(!$res || empty($res)) {
|
|
return;
|
|
}
|
|
|
|
if(isset($res['object'])) {
|
|
$activity = $res;
|
|
} else {
|
|
$activity = ['object' => $res];
|
|
}
|
|
|
|
if(isset($res['content']) == false) {
|
|
abort(400, 'Invalid object');
|
|
}
|
|
|
|
$scope = 'private';
|
|
|
|
$cw = isset($res['sensitive']) ? (bool) $res['sensitive'] : false;
|
|
|
|
if(isset($res['to']) == true) {
|
|
if(is_array($res['to']) && in_array('https://www.w3.org/ns/activitystreams#Public', $res['to'])) {
|
|
$scope = 'public';
|
|
}
|
|
if(is_string($res['to']) && 'https://www.w3.org/ns/activitystreams#Public' == $res['to']) {
|
|
$scope = 'public';
|
|
}
|
|
}
|
|
|
|
if(isset($res['cc']) == true) {
|
|
if(is_array($res['cc']) && in_array('https://www.w3.org/ns/activitystreams#Public', $res['cc'])) {
|
|
$scope = 'unlisted';
|
|
}
|
|
if(is_string($res['cc']) && 'https://www.w3.org/ns/activitystreams#Public' == $res['cc']) {
|
|
$scope = 'unlisted';
|
|
}
|
|
}
|
|
|
|
if(config('costar.enabled') == true) {
|
|
$blockedKeywords = config('costar.keyword.block');
|
|
if($blockedKeywords !== null) {
|
|
$keywords = config('costar.keyword.block');
|
|
foreach($keywords as $kw) {
|
|
if(Str::contains($res['content'], $kw) == true) {
|
|
abort(400, 'Invalid object');
|
|
}
|
|
}
|
|
}
|
|
|
|
$unlisted = config('costar.domain.unlisted');
|
|
if(in_array(parse_url($url, PHP_URL_HOST), $unlisted) == true) {
|
|
$unlisted = true;
|
|
$scope = 'unlisted';
|
|
} else {
|
|
$unlisted = false;
|
|
}
|
|
|
|
$cw = config('costar.domain.cw');
|
|
if(in_array(parse_url($url, PHP_URL_HOST), $cw) == true) {
|
|
$cw = true;
|
|
} else {
|
|
$cw = isset($activity['sensitive']) ? (bool) $activity['sensitive'] : false;
|
|
}
|
|
}
|
|
|
|
if(!self::validateUrl($res['id']) ||
|
|
!self::validateUrl($activity['object']['attributedTo'])
|
|
) {
|
|
abort(400, 'Invalid object url');
|
|
}
|
|
|
|
$idDomain = parse_url($res['id'], PHP_URL_HOST);
|
|
$urlDomain = parse_url($url, PHP_URL_HOST);
|
|
$actorDomain = parse_url($activity['object']['attributedTo'], PHP_URL_HOST);
|
|
|
|
if(
|
|
$idDomain !== $urlDomain ||
|
|
$actorDomain !== $urlDomain ||
|
|
$idDomain !== $actorDomain
|
|
) {
|
|
abort(400, 'Invalid object');
|
|
}
|
|
|
|
$profile = self::profileFirstOrNew($activity['object']['attributedTo']);
|
|
if(isset($activity['object']['inReplyTo']) && !empty($activity['object']['inReplyTo']) && $replyTo == true) {
|
|
$reply_to = self::statusFirstOrFetch($activity['object']['inReplyTo'], false);
|
|
$reply_to = $reply_to->id;
|
|
} else {
|
|
$reply_to = null;
|
|
}
|
|
$ts = is_array($res['published']) ? $res['published'][0] : $res['published'];
|
|
$status = DB::transaction(function() use($profile, $res, $url, $ts, $reply_to, $cw, $scope) {
|
|
$status = new Status;
|
|
$status->profile_id = $profile->id;
|
|
$status->url = isset($res['url']) ? $res['url'] : $url;
|
|
$status->uri = isset($res['url']) ? $res['url'] : $url;
|
|
$status->caption = strip_tags($res['content']);
|
|
$status->rendered = Purify::clean($res['content']);
|
|
$status->created_at = Carbon::parse($ts);
|
|
$status->in_reply_to_id = $reply_to;
|
|
$status->local = false;
|
|
$status->is_nsfw = $cw;
|
|
$status->scope = $scope;
|
|
$status->visibility = $scope;
|
|
$status->save();
|
|
if($reply_to == null) {
|
|
self::importNoteAttachment($res, $status);
|
|
}
|
|
return $status;
|
|
});
|
|
|
|
|
|
return $status;
|
|
}
|
|
}
|
|
|
|
public static function statusFetch($url)
|
|
{
|
|
return self::statusFirstOrFetch($url);
|
|
}
|
|
|
|
public static function importNoteAttachment($data, Status $status)
|
|
{
|
|
if(self::verifyAttachments($data) == false) {
|
|
return;
|
|
}
|
|
$attachments = isset($data['object']) ? $data['object']['attachment'] : $data['attachment'];
|
|
$user = $status->profile;
|
|
$monthHash = hash('sha1', date('Y').date('m'));
|
|
$userHash = hash('sha1', $user->id.(string) $user->created_at);
|
|
$storagePath = "public/m/{$monthHash}/{$userHash}";
|
|
$allowed = explode(',', config('pixelfed.media_types'));
|
|
|
|
foreach($attachments as $media) {
|
|
$type = $media['mediaType'];
|
|
$url = $media['url'];
|
|
$valid = self::validateUrl($url);
|
|
if(in_array($type, $allowed) == false || $valid == false) {
|
|
continue;
|
|
}
|
|
|
|
$media = new Media();
|
|
$media->remote_media = true;
|
|
$media->status_id = $status->id;
|
|
$media->profile_id = $status->profile_id;
|
|
$media->user_id = null;
|
|
$media->media_path = $url;
|
|
$media->remote_url = $url;
|
|
$media->mime = $type;
|
|
$media->save();
|
|
}
|
|
|
|
$status->viewType();
|
|
return;
|
|
}
|
|
|
|
public static function profileFirstOrNew($url, $runJobs = false)
|
|
{
|
|
$url = self::validateUrl($url);
|
|
if($url == false) {
|
|
abort(400, 'Invalid url');
|
|
}
|
|
$host = parse_url($url, PHP_URL_HOST);
|
|
$local = config('pixelfed.domain.app') == $host ? true : false;
|
|
|
|
if($local == true) {
|
|
$id = last(explode('/', $url));
|
|
return Profile::whereNull('status')
|
|
->whereNull('domain')
|
|
->whereUsername($id)
|
|
->firstOrFail();
|
|
}
|
|
$res = self::fetchProfileFromUrl($url);
|
|
if(isset($res['id']) == false) {
|
|
return;
|
|
}
|
|
$domain = parse_url($res['id'], PHP_URL_HOST);
|
|
$username = (string) Purify::clean($res['preferredUsername']);
|
|
if(empty($username)) {
|
|
return;
|
|
}
|
|
$remoteUsername = "@{$username}@{$domain}";
|
|
|
|
abort_if(!self::validateUrl($res['inbox']), 400);
|
|
abort_if(!self::validateUrl($res['outbox']), 400);
|
|
abort_if(!self::validateUrl($res['id']), 400);
|
|
|
|
$profile = Profile::whereRemoteUrl($res['id'])->first();
|
|
if(!$profile) {
|
|
$profile = new Profile();
|
|
$profile->domain = $domain;
|
|
$profile->username = (string) Purify::clean($remoteUsername);
|
|
$profile->name = Purify::clean($res['name']) ?? 'user';
|
|
$profile->bio = Purify::clean($res['summary']);
|
|
$profile->sharedInbox = isset($res['endpoints']) && isset($res['endpoints']['sharedInbox']) ? $res['endpoints']['sharedInbox'] : null;
|
|
$profile->inbox_url = $res['inbox'];
|
|
$profile->outbox_url = $res['outbox'];
|
|
$profile->remote_url = $res['id'];
|
|
$profile->public_key = $res['publicKey']['publicKeyPem'];
|
|
$profile->key_id = $res['publicKey']['id'];
|
|
$profile->save();
|
|
if($runJobs == true) {
|
|
// RemoteFollowImportRecent::dispatch($res, $profile);
|
|
CreateAvatar::dispatch($profile);
|
|
}
|
|
}
|
|
return $profile;
|
|
}
|
|
|
|
public static function profileFetch($url)
|
|
{
|
|
return self::profileFirstOrNew($url);
|
|
}
|
|
|
|
public static function sendSignedObject($senderProfile, $url, $body)
|
|
{
|
|
abort_if(!self::validateUrl($url), 400);
|
|
|
|
$payload = json_encode($body);
|
|
$headers = HttpSignature::sign($senderProfile, $url, $body);
|
|
|
|
$ch = curl_init($url);
|
|
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
|
|
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
|
|
curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
|
|
curl_setopt($ch, CURLOPT_HEADER, true);
|
|
$response = curl_exec($ch);
|
|
return;
|
|
}
|
|
}
|