parsec.js

'use strict';const k={0:0,1:1,2:2,3:3,4:9,5:10,8:4,9:6,10:7,11:8,12:11,13:12,14:13,15:14},l={KeyA:4,KeyB:5,KeyC:6,KeyD:7,KeyE:8,KeyF:9,KeyG:10,KeyH:11,KeyI:12,KeyJ:13,KeyK:14,KeyL:15,KeyM:16,KeyN:17,KeyO:18,KeyP:19,KeyQ:20,KeyR:21,KeyS:22,KeyT:23,KeyU:24,KeyV:25,KeyW:26,KeyX:27,KeyY:28,KeyZ:29,Digit1:30,Digit2:31,Digit3:32,Digit4:33,Digit5:34,Digit6:35,Digit7:36,Digit8:37,Digit9:38,Digit0:39,Enter:40,Escape:41,Backspace:42,Tab:43,Space:44,Minus:45,Equal:46,BracketLeft:47,BracketRight:48,Backslash:49,
Semicolon:51,Quote:52,Backquote:53,Comma:54,Period:55,Slash:56,CapsLock:57,F1:58,F2:59,F3:60,F4:61,F5:62,F6:63,F7:64,F8:65,F9:66,F10:67,F11:68,F12:69,PrintScreen:70,ScrollLock:71,Pause:72,Insert:73,Home:74,PageUp:75,Delete:76,End:77,PageDown:78,ArrowRight:79,ArrowLeft:80,ArrowDown:81,ArrowUp:82,NumLock:83,NumpadDivide:84,NumpadMultiply:85,NumpadEnter:86,NumpadPlus:87,NumpadMinus:88,Numpad1:89,Numpad2:90,Numpad3:91,Numpad4:92,Numpad5:93,Numpad6:94,Numpad7:95,Numpad8:96,Numpad9:97,Numpad0:98,NumpadPeriod:99,
ContextMenu:101,ControlLeft:224,ShiftLeft:225,AltLeft:226,MetaLeft:227,ControlRight:228,ShiftRight:229,AltRight:230,MetaRight:231};class n{constructor(a,c,d){this.g=a;this.f=c;this.h=d;this.b={};this.c=setInterval(()=>{{const f=navigator.getGamepads();for(let g=0;4>g;g++)if(f[g]){let h=this.b[g];h||(h=this.b[g]={axes:[],buttons:[]});for(var b=0;b<f[g].buttons.length;b++){var e=f[g].buttons[b].value;void 0!==h.buttons[b]&&h.buttons[b]!==e&&this.g(g,b,e);h.buttons[b]=e}for(b=0;b<f[g].axes.length;b++)e=f[g].axes[b],.05>Math.abs(e)&&(e=0),void 0!==h.axes[b]&&h.axes[b]!==e&&this.f(g,b,e),h.axes[b]=e}else this.b[g]&&(delete this.b[g],
this.h(g))}},20)}};function p(a,c,d,b){d=b?d.bind(b):d;a.addEventListener(c,d);return[a,c,d]}function q(a){for(const c of a)c[0].removeEventListener(c[1],c[2])};function r(a){a.i=new n(a.G.bind(a),a.m.bind(a),a.L.bind(a));a.c.push(p(a.b,"resize",a.w,a));a.c.push(p(a.b,"mousemove",a.I,a));a.c.push(p(a.b,"mousedown",a.s,a));a.c.push(p(a.b,"mouseup",a.s,a));a.c.push(p(a.b,"mousewheel",a.J,a));a.c.push(p(a.b,"contextmenu",a.H,a));a.c.push(p(document,"pointerlockchange",a.K,a));a.c.push(p(window,"keydown",a.o,a));a.c.push(p(window,"keyup",a.o,a));a.c.push(p(window,"resize",a.w,a))}
class t{constructor(a,c,d){this.send=d;this.l=c;this.b=a;this.f=this.i=this.h=null;this.g=this.j=!1;this.c=[];this.cache={};this.D=[];this.C=0}I(a){if(this.h||!this.l){var c=0;if(document.pointerLockElement){c=1;var d=a.movementX;a=a.movementY}else{if(this.l){d=this.h;var b=Math.round((a.clientX-d.S)*d.P);b===d.v-1&&(b=d.v);b>d.v&&(b=d.v);0>b&&(b=0);d=b}else d=a.clientX;this.l?(b=this.h,a=Math.round((a.clientY-b.T)*b.R),a===b.u-1&&(a=b.u),a>b.u&&(a=b.u),0>a&&(a=0)):a=a.clientY}this.send({type:4,B:c,
x:d,y:a})}}s(a){const c="mousedown"===a.type;let d=0;document.pointerLockElement||this.j&&a.target.requestPointerLock();if(c&&0===a.button&&a.ctrlKey&&a.shiftKey)a.target.requestPointerLock();else{switch(a.button){case 0:d=1;break;case 1:d=2;break;case 2:d=3;break;case 3:d=4;break;case 4:d=5}this.send({type:2,pressed:c,button:d})}}o(a){a.preventDefault();if(!("F5"===a.code&&a.ctrlKey||"KeyI"===a.code&&a.ctrlKey&&a.shiftKey||"F11"===a.code)){var c=l[a.code];if(c){let d=0;a.getModifierState("NumLock")&&
(d|=4096);a.getModifierState("CapsLock")&&(d|=8192);this.send({type:1,A:d,pressed:"keydown"===a.type?1:0,code:c})}}}J(a){a.preventDefault();this.send({type:3,x:-1*a.deltaX/100,y:-1*a.deltaY/100})}H(a){a.preventDefault()}G(a,c,d){6===c||7===c?this.m(a,c-2,0<d?32767*d:32768*d):(c=k[c],void 0!==c&&this.send({type:5,button:c,id:a,pressed:d}))}m(a,c,d){this.send({type:6,axis:c,id:a,value:d})}L(a){this.send({type:7,id:a})}K(){document.pointerLockElement||this.g||(this.send({type:1,code:41,A:0,pressed:1}),
this.send({type:1,code:41,A:0,pressed:0}));this.g=!1}w(){const a=this.b.offsetWidth,c=this.b.offsetHeight,d=this.b.videoWidth,b=this.b.videoHeight;var e=Math.min(a/d,c/b);const f=d*e;e*=b;this.h={P:d/f,R:b/e,S:Math.max((a-f)/2,0),T:Math.max((c-e)/2,0),v:d,u:b}}};const u=1E3/60/1E3;function v(a){a.f=new MediaSource;a.b.src=URL.createObjectURL(a.f);a.b.load();a.g.push(p(a.b,"error",()=>{console.error(a.b.error.message)},null));a.g.push(p(a.f,"sourceopen",()=>{a.c=a.f.addSourceBuffer(a.type);a.c.mode="sequence";a.g.push(p(a.c,"update",a.s,a));a.b.play();a.i=setInterval(a.w,1)},null))}
function w(a){clearInterval(a.i);a.i=null;a.m=a.h;a.b.pause();q(a.g);a.g=[];a.f&&(a.c&&(a.f.removeSourceBuffer(a.c),a.c=null),a.f.endOfStream(),URL.revokeObjectURL(a.b.src),a.f=null)}function x(a,c){c=new Uint8Array(c);a.h&&102===c[4]&&(w(a),v(a),a.m=!1);a.m||(a.l.push(c),a.s())}
class y{constructor(a,c,d){this.b=a;this.type=c;this.o=d;this.f=this.c=null;this.m=this.h='video/mp4; codecs="avc1.64001e"'===c;this.g=[];this.l=[];this.i=null;this.j=0;this.h||v(this);this.w=()=>{var b=this.b.seekable;if(b&&0<b.length){b=b.end(0);var e=b-this.b.currentTime;this.h?(b=e,this.j=b>1.5*u?this.j+1:0,60<this.j&&1==this.b.playbackRate?(e=this.b,e.playbackRate=b>3*u?10:1.25,e.play()):b<u&&1!=this.b.playbackRate&&(b=this.b,b.playbackRate=1,b.play())):e>.1*3?this.b.currentTime=b+1E3:e>.1*1.5&&
1==this.b.playbackRate?(b=this.b,b.playbackRate=10,b.play()):.1>e&&10==this.b.playbackRate&&(b=this.b,b.playbackRate=1,b.play())}}}s(){if(0<this.l.length&&this.c&&!this.c.updating)try{const a=this.l.shift();this.c.appendBuffer(a)}catch(a){console.warn(a),w(this),this.o&&this.o()}}};function z(a,c,d,b,e){a=new DataView(a);a.setInt32(0,d);a.setInt32(4,b);a.setInt32(8,e);a.setInt8(12,c)}function A(a,c,d,b){const e=new ArrayBuffer(13);z(e,a,c,d,b);return e}function B(a,c){a=JSON.stringify({_version:1,_max_w:6E4,_max_h:6E4,_flags:0,resolutionX:a,resolutionY:c,refreshRate:60,mediaContainer:2});c=new ArrayBuffer(13+a.length+1);z(c,11,a.length+1,0,0);{var d=c;const b=(new TextEncoder).encode(a);d=new Int8Array(d,13);for(let e=0;e<a.length;e++)d[e]=b[e]}return a=c}
function C(a){switch(a.type){case 1:return A(0,a.code,a.A,a.pressed);case 2:return A(1,a.button,a.pressed,0);case 3:return A(2,a.x,a.y,0);case 4:return A(3,a.B,a.x,a.y);case 5:return A(4,a.button,a.pressed,a.id);case 6:return A(5,a.axis,a.value,a.id);case 7:return A(6,0,0,a.id)}};function D(){const a=new Uint8Array(16);crypto.getRandomValues(a);return a.map(c=>c%10).join("")}
function E(a,c,d,b){return"v=0\r\n"+`o=- ${D()} 2 IN IP4 127.0.0.1\r\n`+"s=-\r\nt=0 0\r\n"+`a=group:BUNDLE ${b}\r\n`+"a=msid-semantic: WMS *\r\nm=application 9 DTLS/SCTP 5000\r\nc=IN IP4 0.0.0.0\r\nb=AS:30\r\n"+`a=ice-ufrag:${a}\r\n`+`a=ice-pwd:${c}\r\n`+"a=ice-options:trickle\r\n"+`a=fingerprint:${d}\r\n`+"a=setup:active\r\n"+`a=mid:${b}\r\n`+"a=sendrecv\r\na=sctpmap:5000 webrtc-datachannel 256\r\na=max-message-size:1073741823\r\n"}
function F(a,c,d,b,e){a.c[d]=a.b.createDataChannel(c,{negotiated:!0,id:d});a.c[d].binaryType="arraybuffer";a.c[d].onopen=b;a.c[d].onmessage=e}async function G(a){a.f=await a.b.createOffer();{var c=a.f.sdp.split("\n");const e={};for(let f=0;f<c.length;f++){var d=c[f].split("="),b=d[0];d=d[1];b&&("a"===b?(e.a||(e.a={}),b=d.split(/:(.+)/),e.a[b[0]]=b[1]):e[b]=d)}c=e}a.sdp=c;return{ice_ufrag:a.sdp.a["ice-ufrag"],ice_pwd:a.sdp.a["ice-pwd"],fingerprint:a.sdp.a.fingerprint}}
async function H(a,c,d,b,e,f,g,h){if(!a.h){if(!a.f){console.error("Offer not set!");return}await a.b.setLocalDescription(a.f);try{const m=E(f,g,h,a.sdp.a.mid);await a.b.setRemoteDescription(new RTCSessionDescription({type:"answer",sdp:m}))}catch(m){console.log(m)}a.h=!0}b||(await a.b.addIceCandidate(new RTCIceCandidate({candidate:`candidate:${2395300328} 1 udp ${2113937151} ${c} `+`${d} typ ${e?"srflx":"host"} generation 0 ufrag ${f} network-cost 50`,sdpMid:a.sdp.a.mid,sdpMLineIndex:0})),e&&!a.i&&
(setTimeout(()=>{a.g("1.2.3.4",1234,!0,!1,!1)},100),a.i=!0))}
class I{constructor(a){this.g=a;this.h=this.i=!1;this.b=this.sdp=null;this.c={};this.f=null;this.b=new RTCPeerConnection({iceServers:[{urls:"stun:stun.parsec.gg:3478"}]});this.b.onicecandidate=c=>{c.candidate&&(c=c.candidate.candidate.replace("candidate:","").split(" "),"udp"===c[2].toLowerCase()&&this.g(c[4],parseInt(c[5],10),!1,"srflx"===c[7],"host"===c[7]))}}close(){for(const a of Object.entries(this.c))a[1].close();this.b.close()}send(a,c){this.c[c].send(a)}};function J(){const a=[],c=new Uint8Array(4);for(let d=0;6>d;d++)crypto.getRandomValues(c),a.push(Array.from(c).map(b=>b.toString(16).padStart(2,"0")).join(""));return a.join("-")}function K(a,c,d){d(c.ip,c.port,c.sync,c.from_stun,a.c.ice_ufrag,a.c.ice_pwd,a.c.fingerprint)}
function L(a,c,d,b,e){a.b=new WebSocket(`wss://${"kessel-ws.parsecgaming.com"}:${443}/?session_id=${c}&role=client&version=${1}&sdk_version=${0}`);a.g=d;a.b.onclose=f=>{1E3!==f.code&&a.h(f.code)};a.b.onopen=()=>{var f={action:"offer",version:1,payload:{to:a.g,attempt_id:a.j,data:{ver_data:1,creds:b,mode:2,versions:{p2p:1,bud:1,init:1,video:1,audio:1,control:1}}}};a.b&&a.b.send(JSON.stringify(f))};a.b.onmessage=f=>{f=JSON.parse(f.data);switch(f.action){case "answer_relay":a.i=!0;f.payload.approved||
a.h(8);for(a.c=f.payload.data.creds;0<a.f.length;)K(a,a.f.shift(),e);break;case "candex_relay":f=f.payload.data,a.i?K(a,f,e):a.f.push(f)}}}class M{constructor(a){this.h=a;this.j=J();this.g="";this.b=this.c=null;this.f=[];this.i=!1}close(a){this.b&&(this.b.close(a),this.b=null)}};class N{constructor(a,c){this.m=c;this.c=!1;this.b=null;this.h=[];this.i=document.createElement("audio");document.body.appendChild(this.i);this.l=new y(this.i,'audio/mp4; codecs="opus"',null);this.j=new y(a,'video/mp4; codecs="avc1.64001e"',()=>{this.b.send(A(13,0,0,0),0)});this.signal=new M(d=>{this.g(4001===d?99:d)});this.f=new t(a,!0,d=>{this.c&&this.b.send(C(d),0)});this.h.push(p(window,"beforeunload",()=>{this.g(0);return null},null))}async o(a,c){this.b=new I((b,e,f,g,h)=>{var m=this.signal;
b={action:"candex",version:1,payload:{to:m.g,attempt_id:m.j,data:{ver_data:1,ip:b,port:e,lan:h,from_stun:g,sync:f}}};m.b&&m.b.send(JSON.stringify(b))});F(this.b,"control",0,()=>{this.c=!0;this.h.push(p(document,"visibilitychange",()=>{document.hidden?(w(this.j),this.b.send(A(19,0,0,0),0)):this.b.send(A(13,0,0,0),0)},null));let b=window.screen.width,e=window.screen.height;if(800>b||600>e||1920<b||1080<e)b=1920,e=1080;this.b.send(B(b,e),0);r(this.f);this.m({type:"connect"});this.signal.close(1E3)},
b=>{a:{var e=new DataView(b.data);b=e;b={M:b.getInt32(0),U:b.getInt32(4),V:b.getInt32(8),type:b.getInt8(12)};switch(b.type){case 9:var f=e.getInt32(16),g=e.getInt16(32);e={X:e.getInt16(20),W:e.getInt16(22),x:e.getInt16(24),y:e.getInt16(26),N:e.getInt16(28),O:e.getInt16(30),B:!!(g&256),hidden:!!(g&512),data:g&2?btoa(String.fromCharCode(...new Uint8Array(e.buffer,34,f-1))):null};b={F:"cursor",...b,...e};break a;case 10:b={F:"abort",...b}}}g=b;switch(g.F){case "cursor":b=this.f;e=g.B;b.b.style.cursor=
g.hidden?"none":"";b.j=e;b.j?b.b.requestPointerLock():document.pointerLockElement&&(b.g=!0,document.exitPointerLock());if(g.data){b=this.f;e=g.data;f=g.N;g=g.O;if(!b.cache[e]){b.cache[e]=`cursor-x-${b.C}`;const h=document.createElement("style");h.type="text/css";h.innerHTML=`.cursor-x-${b.C++} `+`{cursor: url(data:image/png;base64,${e}) ${f} ${g}, auto;}`;document.querySelector("head").appendChild(h);b.D.push(h)}b.f&&b.b.classList.remove(b.f);b.b.classList.add(b.cache[e]);b.f=b.cache[e]}break;case "abort":this.g(g.M)}});
F(this.b,"video",1,null,b=>{x(this.j,b.data)});F(this.b,"audio",2,null,b=>{x(this.l,b.data)});const d=await G(this.b);L(this.signal,a,c,d,(b,e,f,g,h,m,O)=>{H(this.b,b,e,f,g,h,m,O)})}g(a){q(this.h);this.signal.close(3E3<=a&&5E3>a?a:1E3);w(this.j);w(this.l);var c=this.f;q(c.c);c.b.style.cursor="";document.pointerLockElement&&(c.g=!0,document.exitPointerLock());{const d=document.querySelector("head");for(const b of c.D)d.removeChild(b);c.f&&c.b.classList.remove(c.f)}c.i&&clearInterval(c.i.c);document.body.removeChild(this.i);
this.c&&(clearInterval(null),this.b.send(A(10,a,0,0),0));this.b.close();this.c=!1;this.m({type:"exit",code:a})}}N.prototype.destroy=N.prototype.g;N.prototype.connect=N.prototype.o;window.__PARSEC_EXPORT=N;
export const Parsec = window.__PARSEC_EXPORT;