mirror of
https://github.com/HDInnovations/UNIT3D-Community-Edition.git
synced 2026-01-24 12:59:44 -06:00
528 lines
22 KiB
PHP
528 lines
22 KiB
PHP
<?php
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/**
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* NOTICE OF LICENSE.
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*
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* UNIT3D Community Edition is open-sourced software licensed under the GNU Affero General Public License v3.0
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* The details is bundled with this project in the file LICENSE.txt.
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*
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* @project UNIT3D Community Edition
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*
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* @author HDVinnie <hdinnovations@protonmail.com>
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* @license https://www.gnu.org/licenses/agpl-3.0.en.html/ GNU Affero General Public License v3.0
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*/
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namespace App\Http\Controllers;
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use App\Helpers\Bencode;
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use App\Models\FreeleechToken;
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use App\Models\Group;
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use App\Models\History;
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use App\Models\Peer;
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use App\Models\PersonalFreeleech;
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use App\Models\Torrent;
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use App\Models\User;
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use Carbon\Carbon;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\Cache;
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class AnnounceController extends Controller
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{
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// Torrent Moderation Codes
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protected const PENDING = 0;
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protected const APPROVED = 1;
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protected const REJECTED = 2;
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protected const POSTPONED = 3;
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// Announce Intervals
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private const MIN = 2400;
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private const MAX = 3600;
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/**
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* Announce Code.
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*
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* @param \Illuminate\Http\Request $request
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* @param \App\Models\User $passkey
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*
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* @throws \Exception
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*
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* @return Bencode response for the torrent client
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*/
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public function announce(Request $request, $passkey)
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{
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// For Performance Logging Only!
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/*\DB::listen(function($sql) {
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\Log::info($sql->sql);
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\Log::info($sql->bindings);
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\Log::info($sql->time);
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});*/
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// Check Announce Request Method
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$method = $request->method();
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if (!$request->isMethod('get')) {
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info('Announce Request Method Was Not GET');
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return response(Bencode::bencode(['failure reason' => 'Invalid Request Type: Client Request Was Not A HTTP GET.']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// Request Agent Information
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$agent = $request->server('HTTP_USER_AGENT');
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// Blacklist
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if (config('client-blacklist.enabled') == true) {
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// Check If Browser Is Blacklisted
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$blockedBrowsers = config('client-blacklist.browsers');
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if (in_array($agent, $blockedBrowsers)) {
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abort(405, 'What Are You Trying To Do?');
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die();
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}
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// Check If Client Is Blacklisted
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$blockedClients = config('client-blacklist.clients');
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if (in_array($agent, $blockedClients)) {
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//info('Blacklist Client Attempted To Connect To Announce');
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return response(Bencode::bencode(['failure reason' => 'The Client You Are Trying To Use Has Been Blacklisted']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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}
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// If Passkey Is Not Provided Return Error to Client
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if ($passkey == null) {
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//info('Client Attempted To Connect To Announce Without A Passkey');
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return response(Bencode::bencode(['failure reason' => 'Please Call Passkey']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// If Infohash Is Not Provided Return Error to Client
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if (!$request->has('info_hash')) {
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//info('Client Attempted To Connect To Announce Without A Infohash');
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return response(Bencode::bencode(['failure reason' => 'Missing info_hash']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// If Peerid Is Not Provided Return Error to Client
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if (!$request->has('peer_id')) {
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//info('Client Attempted To Connect To Announce Without A Peerid');
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return response(Bencode::bencode(['failure reason' => 'Missing peer_id']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// If Port Is Not Provided Return Error to Client
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if (!$request->has('port')) {
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//info('Client Attempted To Connect To Announce Without A Specified Port');
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return response(Bencode::bencode(['failure reason' => 'Missing port']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// If "Left" Is Not Provided Return Error to Client
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if (!$request->has('left')) {
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//info('Client Attempted To Connect To Announce Without Supplying Any "Left" Information');
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return response(Bencode::bencode(['failure reason' => 'Missing left']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// If "Upload" Is Not Provided Return Error to Client
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if (!$request->has('uploaded')) {
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//info('Client Attempted To Connect To Announce Without Supplying Any "Upload" Information');
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return response(Bencode::bencode(['failure reason' => 'Missing upload']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// If "Download" Is Not Provided Return Error to Client
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if (!$request->has('downloaded')) {
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//info('Client Attempted To Connect To Announce Without Supplying Any "Download" Information');
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return response(Bencode::bencode(['failure reason' => 'Missing download']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// Check Passkey Against Cache or Users Table
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$user = Cache::get(sprintf('user.%s', $passkey)) ?? User::where('passkey', '=', $passkey)->first();
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// If Passkey Doesn't Exist Return Error to Client
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if ($user === null) {
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//info('Client Attempted To Connect To Announce With A Invalid Passkey');
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return response(Bencode::bencode(['failure reason' => 'Passkey is invalid']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// Caached System Required Groups
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$banned_group = cache()->rememberForever('banned_group', function () {
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return Group::where('slug', '=', 'banned')->pluck('id');
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});
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$validating_group = cache()->rememberForever('validating_group', function () {
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return Group::where('slug', '=', 'validating')->pluck('id');
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});
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$disabled_group = cache()->rememberForever('disabled_group', function () {
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return Group::where('slug', '=', 'disabled')->pluck('id');
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});
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// If User Is Banned Return Error to Client
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if ($user->group_id == $banned_group[0]) {
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//info('A Banned User (' . $user->username . ') Attempted To Announce');
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return response(Bencode::bencode(['failure reason' => 'You are no longer welcome here']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// If User Is Disabled Return Error to Client
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if ($user->group_id == $disabled_group[0]) {
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//info('A Disabled User (' . $user->username . ') Attempted To Announce');
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return response(Bencode::bencode(['failure reason' => 'Your account is disabled. Please login.']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// If User Account Is Unactivated Return Error to Client
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if ($user->active == 0) {
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//info('A Unactivated User (' . $user->username . ') Attempted To Announce');
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return response(Bencode::bencode(['failure reason' => 'Your account is not activated']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// If User Is Validating Return Error to Client
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if ($user->group_id == $validating_group[0]) {
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//info('A Validating User (' . $user->username . ') Attempted To Announce');
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return response(Bencode::bencode(['failure reason' => 'Your account is still validating']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// Standard Information Fields
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$event = $request->input('event');
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$info_hash = bin2hex($request->input('info_hash'));
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$peer_id = bin2hex($request->input('peer_id'));
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$md5_peer_id = md5($peer_id);
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$ip = $request->ip();
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$port = (int) $request->input('port');
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$left = (float) $request->input('left');
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$uploaded = (float) $request->input('uploaded');
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$real_uploaded = $uploaded;
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$downloaded = (float) $request->input('downloaded');
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$real_downloaded = $downloaded;
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//Extra Information Fields
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$tracker_id = $request->has('trackerid') ? bin2hex($request->input('tracker_id')) : null;
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$compact = $request->input('compact') == 1;
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$key = $request->has('key') ? bin2hex($request->input('key')) : null;
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$corrupt = $request->has('corrupt') ? $request->input('corrupt') : null;
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$ipv6 = $request->has('ipv6') ? bin2hex($request->input('ipv6')) : null;
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$no_peer_id = $request->input('no_peer_id') == 1;
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// If User Download Rights Are Disabled Return Error to Client
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if ($user->can_download == 0 && $left != 0) {
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//info('A User With Revoked Download Privileges Attempted To Announce');
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return response(Bencode::bencode(['failure reason' => 'Your download privileges are Revoked']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// If User Client Is Sending Negative Values Return Error to Client
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if ($uploaded < 0 || $downloaded < 0 || $left < 0) {
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//info('Client Attempted To Send Data With A Negative Value');
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return response(Bencode::bencode(['failure reason' => 'Data from client is a negative value']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// If User Client Does Not Support Compact Return Error to Client
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if (!$compact) {
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//info('Client Attempted To Connect To Announce But Doesn't Support Compact');
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return response(Bencode::bencode(['failure reason' => "Your client doesn't support compact, please update your client"]))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// Check Info Hash Against Cache or Torrents Table
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$torrent = Cache::get(sprintf('torrent.%s', $info_hash)) ?? Torrent::select(['id', 'status', 'free', 'doubleup', 'times_completed', 'seeders', 'leechers'])->withAnyStatus()->where('info_hash', '=', $info_hash)->first();
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// If Torrent Doesnt Exsist Return Error to Client
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if ($torrent === null) {
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//info('Client Attempted To Connect To Announce But The Torrent Doesn't Exist Using Hash ' . $info_hash);
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return response(Bencode::bencode(['failure reason' => 'Torrent not found']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// If Torrent Is Pending Moderation Return Error to Client
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if ($torrent->status == self::PENDING) {
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//info('Client Attempted To Connect To Announce But The Torrent Is Pending Moderation');
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return response(Bencode::bencode(['failure reason' => 'Torrent is still pending moderation']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// If Torrent Is Rejected Return Error to Client
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if ($torrent->status == self::REJECTED) {
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//info('Client Attempted To Connect To Announce But The Torrent Is Rejected');
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return response(Bencode::bencode(['failure reason' => 'Torrent has been rejected']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// If Torrent Is Postponed Return Error to Client
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if ($torrent->status == self::POSTPONED) {
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//info('Client Attempted To Connect To Announce But The Torrent Is Postponed');
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return response(Bencode::bencode(['failure reason' => 'Torrent has been postponed']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// Get Torrents Peers
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$peers = Peer::where('torrent_id', '=', $torrent->id)->take(50)->get()->toArray();
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// Pull Count On Users Peers Per Torrent For Rate Limiting
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$connections = Peer::where('torrent_id', '=', $torrent->id)->where('user_id', '=', $user->id)->count();
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// If Users Peer Count On A Single Torrent Is Greater Than X Return Error to Client
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if ($connections > config('announce.rate_limit')) {
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//info('Client Attempted To Connect To Announce But Has Hit Rate Limits');
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return response(Bencode::bencode(['failure reason' => 'You have reached the rate limit']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// Get The Current Peer
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$peer = Peer::where('torrent_id', '=', $torrent->id)->where('md5_peer_id', $md5_peer_id)->where('user_id', '=', $user->id)->first();
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// Flag is tripped if new session is created but client reports up/down > 0
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$ghost = false;
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if ($peer === null && $event == 'completed') {
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return response(Bencode::bencode(['failure reason' => 'Torrent is complete but no record found.']))->withHeaders(['Content-Type' => 'text/plain']);
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}
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// Creates a new peer if not existing
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if ($peer === null) {
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if ($uploaded > 0 || $downloaded > 0) {
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$ghost = true;
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$event = 'started';
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}
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$peer = new Peer();
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}
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// Get history information
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$history = History::where('info_hash', '=', $info_hash)->where('user_id', '=', $user->id)->first();
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// If no History record found then create one
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if ($history === null) {
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$history = new History();
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$history->user_id = $user->id;
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$history->info_hash = $info_hash;
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}
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if ($ghost) {
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$uploaded = ($real_uploaded >= $history->client_uploaded) ? ($real_uploaded - $history->client_uploaded) : 0;
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$downloaded = ($real_downloaded >= $history->client_downloaded) ? ($real_downloaded - $history->client_downloaded) : 0;
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} else {
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$uploaded = ($real_uploaded >= $peer->uploaded) ? ($real_uploaded - $peer->uploaded) : 0;
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$downloaded = ($real_downloaded >= $peer->downloaded) ? ($real_downloaded - $peer->downloaded) : 0;
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}
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$old_update = $peer->updated_at ? $peer->updated_at->timestamp : Carbon::now()->timestamp;
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// Modification of Upload and Download
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$personal_freeleech = PersonalFreeleech::where('user_id', '=', $user->id)->first();
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$freeleech_token = FreeleechToken::where('user_id', '=', $user->id)->where('torrent_id', '=', $torrent->id)->first();
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$group = Group::whereId($user->group_id)->first();
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if (config('other.freeleech') == 1 || $torrent->free == 1 || $personal_freeleech || $group->is_freeleech == 1 || $freeleech_token) {
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$mod_downloaded = 0;
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} else {
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$mod_downloaded = $downloaded;
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}
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if (config('other.doubleup') == 1 || $torrent->doubleup == 1 || $group->is_double_upload == 1) {
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$mod_uploaded = $uploaded * 2;
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} else {
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$mod_uploaded = $uploaded;
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}
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if ($event == 'started') {
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// Peer Update
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$peer->peer_id = $peer_id;
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$peer->md5_peer_id = $md5_peer_id;
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$peer->info_hash = $info_hash;
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$peer->ip = $request->ip();
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$peer->port = $port;
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$peer->agent = $agent;
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$peer->uploaded = $real_uploaded;
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$peer->downloaded = $real_downloaded;
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$peer->seeder = $left == 0;
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$peer->left = $left;
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$peer->torrent_id = $torrent->id;
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$peer->user_id = $user->id;
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$peer->save();
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// End Peer Update
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// History Update
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$history->agent = $agent;
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$history->active = 1;
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$history->seeder = $left == 0;
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$history->immune = $user->group->is_immune == 1;
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$history->uploaded += 0;
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$history->actual_uploaded += 0;
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$history->client_uploaded = $real_uploaded;
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$history->downloaded += 0;
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$history->actual_downloaded += 0;
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$history->client_downloaded = $real_downloaded;
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$history->save();
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// End History Update
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// Never push stats to users account on start event
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} elseif ($event == 'completed') {
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// Peer Update
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$peer->peer_id = $peer_id;
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$peer->md5_peer_id = $md5_peer_id;
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$peer->info_hash = $info_hash;
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$peer->ip = $request->ip();
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$peer->port = $port;
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$peer->agent = $agent;
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$peer->uploaded = $real_uploaded;
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$peer->downloaded = $real_downloaded;
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$peer->seeder = 1;
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$peer->left = 0;
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$peer->torrent_id = $torrent->id;
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$peer->user_id = $user->id;
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$peer->save();
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// End Peer Update
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// History Update
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$history->agent = $agent;
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$history->active = 1;
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$history->seeder = $left == 0;
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$history->immune = $user->group->is_immune == 1;
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$history->uploaded += $mod_uploaded;
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$history->actual_uploaded += $uploaded;
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$history->client_uploaded = $real_uploaded;
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$history->downloaded += $mod_downloaded;
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$history->actual_downloaded += $downloaded;
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$history->client_downloaded = $real_downloaded;
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$history->completed_at = Carbon::now();
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// Seedtime Allocation
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if ($left == 0) {
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$new_update = $peer->updated_at->timestamp;
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$diff = $new_update - $old_update;
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$history->seedtime += $diff;
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}
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$history->save();
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// End History Update
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// User Update
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$user->uploaded += $mod_uploaded;
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$user->downloaded += $mod_downloaded;
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$user->save();
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// End User Update
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// Torrent Completed Update
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$torrent->times_completed++;
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// End Torrent Completed Update
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} elseif ($event == 'stopped') {
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//Peer Update
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$peer->peer_id = $peer_id;
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$peer->md5_peer_id = $md5_peer_id;
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$peer->info_hash = $info_hash;
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$peer->ip = $request->ip();
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$peer->port = $port;
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$peer->agent = $agent;
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$peer->uploaded = $real_uploaded;
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$peer->downloaded = $real_downloaded;
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$peer->seeder = $left == 0;
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$peer->left = $left;
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$peer->torrent_id = $torrent->id;
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$peer->user_id = $user->id;
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$peer->save();
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//End Peer Update
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// History Update
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$history->agent = $agent;
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$history->active = 0;
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$history->seeder = $left == 0;
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$history->immune = $user->group->is_immune == 1;
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$history->uploaded += $mod_uploaded;
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$history->actual_uploaded += $uploaded;
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$history->client_uploaded = 0;
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$history->downloaded += $mod_downloaded;
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$history->actual_downloaded += $downloaded;
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$history->client_downloaded = 0;
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// Seedtime allocation
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if ($left == 0) {
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$new_update = $peer->updated_at->timestamp;
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$diff = $new_update - $old_update;
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$history->seedtime += $diff;
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}
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$history->save();
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// End History Update
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// Peer Delete (Now that history is updated)
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$peer->delete();
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// End Peer Delete
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// User Update
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$user->uploaded += $mod_uploaded;
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$user->downloaded += $mod_downloaded;
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$user->save();
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// End User Update
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} else {
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// Peer Update
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$peer->peer_id = $peer_id;
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$peer->md5_peer_id = $md5_peer_id;
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$peer->info_hash = $info_hash;
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$peer->ip = $request->ip();
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$peer->port = $port;
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$peer->agent = $agent;
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$peer->uploaded = $real_uploaded;
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$peer->downloaded = $real_downloaded;
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$peer->seeder = $left == 0;
|
|
$peer->left = $left;
|
|
$peer->torrent_id = $torrent->id;
|
|
$peer->user_id = $user->id;
|
|
$peer->save();
|
|
// End Peer Update
|
|
|
|
// History Update
|
|
$history->agent = $agent;
|
|
$history->active = 1;
|
|
$history->seeder = $left == 0;
|
|
$history->uploaded += $mod_uploaded;
|
|
$history->actual_uploaded += $uploaded;
|
|
$history->client_uploaded = $real_uploaded;
|
|
$history->downloaded += $mod_downloaded;
|
|
$history->actual_downloaded += $downloaded;
|
|
$history->client_downloaded = $real_downloaded;
|
|
// Seedtime allocation
|
|
if ($left == 0) {
|
|
$new_update = $peer->updated_at->timestamp;
|
|
$diff = $new_update - $old_update;
|
|
$history->seedtime += $diff;
|
|
}
|
|
$history->save();
|
|
// End History Update
|
|
|
|
// User Update
|
|
$user->uploaded += $mod_uploaded;
|
|
$user->downloaded += $mod_downloaded;
|
|
$user->save();
|
|
// End User Update
|
|
}
|
|
|
|
// Torrent Update
|
|
$torrent->seeders = Peer::where('torrent_id', '=', $torrent->id)->where('left', '=', '0')->count();
|
|
$torrent->leechers = Peer::where('torrent_id', '=', $torrent->id)->where('left', '>', '0')->count();
|
|
$torrent->save();
|
|
// End Torrent Update
|
|
|
|
// Build Response For Bittorrent Client
|
|
$res = [];
|
|
$res['interval'] = rand(self::MIN, self::MAX);
|
|
$res['min interval'] = self::MIN;
|
|
$res['tracker_id'] = $md5_peer_id; // A string that the client should send back on its next announcements.
|
|
$res['complete'] = $torrent->seeders;
|
|
$res['incomplete'] = $torrent->leechers;
|
|
$res['peers'] = $this->givePeers($peers, $compact, $no_peer_id, FILTER_FLAG_IPV4);
|
|
$res['peers6'] = $this->givePeers($peers, $compact, $no_peer_id, FILTER_FLAG_IPV6);
|
|
|
|
return response(Bencode::bencode($res))->withHeaders(['Content-Type' => 'text/plain']);
|
|
// End Build Response For Bittorrent Client
|
|
}
|
|
|
|
/**
|
|
* @param $peers
|
|
* @param $compact
|
|
* @param $no_peer_id
|
|
* @param $filter_flag
|
|
*
|
|
* @return string
|
|
*/
|
|
private function givePeers($peers, $compact, $no_peer_id, $filter_flag = FILTER_FLAG_IPV4)
|
|
{
|
|
if ($compact) {
|
|
$pcomp = '';
|
|
foreach ($peers as &$p) {
|
|
if (isset($p['ip']) && isset($p['port']) && filter_var($p['ip'], FILTER_VALIDATE_IP, $filter_flag)) {
|
|
$pcomp .= inet_pton($p['ip']);
|
|
$pcomp .= pack('n', (int) $p['port']);
|
|
}
|
|
}
|
|
|
|
return $pcomp;
|
|
}
|
|
if ($no_peer_id) {
|
|
foreach ($peers as &$p) {
|
|
unset($p['peer_id']);
|
|
}
|
|
|
|
return $peers;
|
|
} else {
|
|
return $peers;
|
|
}
|
|
|
|
return $peers;
|
|
}
|
|
}
|