165 lines
5.9 KiB
PHP
165 lines
5.9 KiB
PHP
<?php
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namespace App\Http\Controllers;
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use App\{
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Follower,
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FollowRequest,
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Profile,
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UserFilter
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};
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use Auth, Cache;
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use Illuminate\Http\Request;
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use App\Jobs\FollowPipeline\FollowPipeline;
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use App\Util\ActivityPub\Helpers;
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class FollowerController extends Controller
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{
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public function __construct()
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{
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$this->middleware('auth');
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}
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public function store(Request $request)
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{
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$this->validate($request, [
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'item' => 'required|string',
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'force' => 'nullable|boolean',
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]);
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$force = (bool) $request->input('force', true);
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$item = (int) $request->input('item');
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$url = $this->handleFollowRequest($item, $force);
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if($request->wantsJson() == true) {
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return response()->json(200);
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} else {
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return redirect($url);
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}
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}
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protected function handleFollowRequest($item, $force)
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{
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$user = Auth::user()->profile;
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$target = Profile::where('id', '!=', $user->id)->whereNull('status')->findOrFail($item);
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$private = (bool) $target->is_private;
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$remote = (bool) $target->domain;
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$blocked = UserFilter::whereUserId($target->id)
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->whereFilterType('block')
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->whereFilterableId($user->id)
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->whereFilterableType('App\Profile')
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->exists();
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if($blocked == true) {
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abort(400, 'You cannot follow this user.');
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}
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$isFollowing = Follower::whereProfileId($user->id)->whereFollowingId($target->id)->exists();
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if($private == true && $isFollowing == 0) {
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if($user->following()->count() >= Follower::MAX_FOLLOWING) {
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abort(400, 'You cannot follow more than ' . Follower::MAX_FOLLOWING . ' accounts');
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}
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if($user->following()->where('followers.created_at', '>', now()->subHour())->count() >= Follower::FOLLOW_PER_HOUR) {
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abort(400, 'You can only follow ' . Follower::FOLLOW_PER_HOUR . ' users per hour');
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}
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$follow = FollowRequest::firstOrCreate([
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'follower_id' => $user->id,
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'following_id' => $target->id
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]);
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if($remote == true && config('federation.activitypub.remoteFollow') == true) {
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$this->sendFollow($user, $target);
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}
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} elseif ($private == false && $isFollowing == 0) {
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if($user->following()->count() >= Follower::MAX_FOLLOWING) {
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abort(400, 'You cannot follow more than ' . Follower::MAX_FOLLOWING . ' accounts');
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}
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if($user->following()->where('followers.created_at', '>', now()->subHour())->count() >= Follower::FOLLOW_PER_HOUR) {
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abort(400, 'You can only follow ' . Follower::FOLLOW_PER_HOUR . ' users per hour');
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}
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$follower = new Follower();
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$follower->profile_id = $user->id;
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$follower->following_id = $target->id;
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$follower->save();
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if($remote == true && config('federation.activitypub.remoteFollow') == true) {
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$this->sendFollow($user, $target);
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}
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FollowPipeline::dispatch($follower);
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} else {
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if($force == true) {
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$request = FollowRequest::whereFollowerId($user->id)->whereFollowingId($target->id)->exists();
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$follower = Follower::whereProfileId($user->id)->whereFollowingId($target->id)->exists();
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if($remote == true && $request && !$follower) {
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$this->sendFollow($user, $target);
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}
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if($remote == true && $follower) {
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$this->sendUndoFollow($user, $target);
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}
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Follower::whereProfileId($user->id)
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->whereFollowingId($target->id)
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->delete();
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}
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}
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Cache::forget('profile:following:'.$target->id);
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Cache::forget('profile:followers:'.$target->id);
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Cache::forget('profile:following:'.$user->id);
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Cache::forget('profile:followers:'.$user->id);
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Cache::forget('api:local:exp:rec:'.$user->id);
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Cache::forget('user:account:id:'.$target->user_id);
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Cache::forget('user:account:id:'.$user->user_id);
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Cache::forget('px:profile:followers-v1.3:'.$user->id);
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Cache::forget('px:profile:followers-v1.3:'.$target->id);
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Cache::forget('px:profile:following-v1.3:'.$user->id);
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Cache::forget('px:profile:following-v1.3:'.$target->id);
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return $target->url();
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}
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public function sendFollow($user, $target)
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{
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if($target->domain == null || $user->domain != null) {
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return;
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}
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$payload = [
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'@context' => 'https://www.w3.org/ns/activitystreams',
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'id' => $user->permalink('#follow/'.$target->id),
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'type' => 'Follow',
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'actor' => $user->permalink(),
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'object' => $target->permalink()
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];
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$inbox = $target->sharedInbox ?? $target->inbox_url;
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Helpers::sendSignedObject($user, $inbox, $payload);
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}
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public function sendUndoFollow($user, $target)
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{
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if($target->domain == null || $user->domain != null) {
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return;
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}
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$payload = [
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'@context' => 'https://www.w3.org/ns/activitystreams',
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'id' => $user->permalink('#follow/'.$target->id.'/undo'),
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'type' => 'Undo',
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'actor' => $user->permalink(),
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'object' => [
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'id' => $user->permalink('#follows/'.$target->id),
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'actor' => $user->permalink(),
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'object' => $target->permalink(),
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'type' => 'Follow'
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]
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];
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$inbox = $target->sharedInbox ?? $target->inbox_url;
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Helpers::sendSignedObject($user, $inbox, $payload);
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}
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}
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