livekit-client/dist/livekit-client.e2ee.worker.js

JavaScript/TypeScript client SDK for LiveKit

!function(e){"function"==typeof define&&define.amd?define(e):e()}((function(){"use strict";function e(e,t,n,r){return new(n||(n=Promise))((function(i,o){function a(e){try{c(r.next(e))}catch(e){o(e)}}function s(e){try{c(r.throw(e))}catch(e){o(e)}}function c(e){var t;e.done?i(e.value):(t=e.value,t instanceof n?t:new n((function(e){e(t)}))).then(a,s)}c((r=r.apply(e,t||[])).next())}))}"function"==typeof SuppressedError&&SuppressedError;var t,n={exports:{}};var r,i,o,a,s,c=(t||(t=1,i=n.exports,o=function(){var e=function(){},t="undefined",n=typeof window!==t&&typeof window.navigator!==t&&/Trident\/|MSIE /.test(window.navigator.userAgent),r=["trace","debug","info","warn","error"],i={},o=null;function a(e,t){var n=e[t];if("function"==typeof n.bind)return n.bind(e);try{return Function.prototype.bind.call(n,e)}catch(t){return function(){return Function.prototype.apply.apply(n,[e,arguments])}}}function s(){console.log&&(console.log.apply?console.log.apply(console,arguments):Function.prototype.apply.apply(console.log,[console,arguments])),console.trace&&console.trace()}function c(){for(var n=this.getLevel(),i=0;i<r.length;i++){var o=r[i];this[o]=i<n?e:this.methodFactory(o,n,this.name)}if(this.log=this.debug,typeof console===t&&n<this.levels.SILENT)return"No console available for logging"}function d(e){return function(){typeof console!==t&&(c.call(this),this[e].apply(this,arguments))}}function u(r,i,o){return function(r){return"debug"===r&&(r="log"),typeof console!==t&&("trace"===r&&n?s:void 0!==console[r]?a(console,r):void 0!==console.log?a(console,"log"):e)}(r)||d.apply(this,arguments)}function l(e,n){var a,s,d,l=this,y="loglevel";function p(){var e;if(typeof window!==t&&y){try{e=window.localStorage[y]}catch(e){}if(typeof e===t)try{var n=window.document.cookie,r=encodeURIComponent(y),i=n.indexOf(r+"=");-1!==i&&(e=/^([^;]+)/.exec(n.slice(i+r.length+1))[1])}catch(e){}return void 0===l.levels[e]&&(e=void 0),e}}function h(e){var t=e;if("string"==typeof t&&void 0!==l.levels[t.toUpperCase()]&&(t=l.levels[t.toUpperCase()]),"number"==typeof t&&t>=0&&t<=l.levels.SILENT)return t;throw new TypeError("log.setLevel() called with invalid level: "+e)}"string"==typeof e?y+=":"+e:"symbol"==typeof e&&(y=void 0),l.name=e,l.levels={TRACE:0,DEBUG:1,INFO:2,WARN:3,ERROR:4,SILENT:5},l.methodFactory=n||u,l.getLevel=function(){return null!=d?d:null!=s?s:a},l.setLevel=function(e,n){return d=h(e),!1!==n&&function(e){var n=(r[e]||"silent").toUpperCase();if(typeof window!==t&&y){try{return void(window.localStorage[y]=n)}catch(e){}try{window.document.cookie=encodeURIComponent(y)+"="+n+";"}catch(e){}}}(d),c.call(l)},l.setDefaultLevel=function(e){s=h(e),p()||l.setLevel(e,!1)},l.resetLevel=function(){d=null,function(){if(typeof window!==t&&y){try{window.localStorage.removeItem(y)}catch(e){}try{window.document.cookie=encodeURIComponent(y)+"=; expires=Thu, 01 Jan 1970 00:00:00 UTC"}catch(e){}}}(),c.call(l)},l.enableAll=function(e){l.setLevel(l.levels.TRACE,e)},l.disableAll=function(e){l.setLevel(l.levels.SILENT,e)},l.rebuild=function(){if(o!==l&&(a=h(o.getLevel())),c.call(l),o===l)for(var e in i)i[e].rebuild()},a=h(o?o.getLevel():"WARN");var f=p();null!=f&&(d=h(f)),c.call(l)}(o=new l).getLogger=function(e){if("symbol"!=typeof e&&"string"!=typeof e||""===e)throw new TypeError("You must supply a name when creating a logger.");var t=i[e];return t||(t=i[e]=new l(e,o.methodFactory)),t};var y=typeof window!==t?window.log:void 0;return o.noConflict=function(){return typeof window!==t&&window.log===o&&(window.log=y),o},o.getLoggers=function(){return i},o.default=o,o},(r=n).exports?r.exports=o():i.log=o()),n.exports);!function(e){e[e.trace=0]="trace",e[e.debug=1]="debug",e[e.info=2]="info",e[e.warn=3]="warn",e[e.error=4]="error",e[e.silent=5]="silent"}(a||(a={})),function(e){e.Default="livekit",e.Room="livekit-room",e.TokenSource="livekit-token-source",e.Participant="livekit-participant",e.Track="livekit-track",e.Publication="livekit-track-publication",e.Engine="livekit-engine",e.Signal="livekit-signal",e.PCManager="livekit-pc-manager",e.PCTransport="livekit-pc-transport",e.E2EE="lk-e2ee",e.DataTracks="livekit-data-tracks"}(s||(s={}));let d=c.getLogger("livekit");Object.values(s).map((e=>c.getLogger(e))),d.setDefaultLevel(a.info);const u=c.getLogger("lk-e2ee");var l,y=Object.defineProperty,p=(e,t,n)=>((e,t,n)=>t in e?y(e,t,{enumerable:!0,configurable:!0,writable:!0,value:n}):e[t]=n)(e,"symbol"!=typeof t?t+"":t,n);class h{constructor(){p(this,"_locking"),p(this,"_locks"),this._locking=Promise.resolve(),this._locks=0}isLocked(){return this._locks>0}lock(){let e;this._locks+=1;const t=new Promise((t=>e=()=>{this._locks-=1,t()})),n=this._locking.then((()=>e));return this._locking=this._locking.then((()=>t)),n}}!function(e){e[e.WAITING=0]="WAITING",e[e.RUNNING=1]="RUNNING",e[e.COMPLETED=2]="COMPLETED"}(l||(l={}));const f="AES-GCM",g={key:10,delta:3,audio:1,empty:0},v={sharedKey:!1,ratchetSalt:"LKFrameEncryptionKey",ratchetWindowSize:8,failureTolerance:10,keyringSize:16,keySize:128};class m extends Error{constructor(e,t,n){super(t||"an error has occurred"),this.name="LiveKitError",this.code=e,void 0!==(null==n?void 0:n.cause)&&(this.cause=null==n?void 0:n.cause)}}var I,w,b,k,L,_,E,S;!function(e){e[e.NotAllowed=0]="NotAllowed",e[e.ServerUnreachable=1]="ServerUnreachable",e[e.InternalError=2]="InternalError",e[e.Cancelled=3]="Cancelled",e[e.LeaveRequest=4]="LeaveRequest",e[e.Timeout=5]="Timeout",e[e.WebSocket=6]="WebSocket",e[e.ServiceNotFound=7]="ServiceNotFound"}(I||(I={})),function(e){e[e.AlreadyOpened=0]="AlreadyOpened",e[e.AbnormalEnd=1]="AbnormalEnd",e[e.DecodeFailed=2]="DecodeFailed",e[e.LengthExceeded=3]="LengthExceeded",e[e.Incomplete=4]="Incomplete",e[e.HandlerAlreadyRegistered=7]="HandlerAlreadyRegistered",e[e.EncryptionTypeMismatch=8]="EncryptionTypeMismatch"}(w||(w={})),function(e){e.PermissionDenied="PermissionDenied",e.NotFound="NotFound",e.DeviceInUse="DeviceInUse",e.Other="Other"}(b||(b={})),function(e){e.getFailure=function(t){if(t&&"name"in t)return"NotFoundError"===t.name||"DevicesNotFoundError"===t.name?e.NotFound:"NotAllowedError"===t.name||"PermissionDeniedError"===t.name?e.PermissionDenied:"NotReadableError"===t.name||"TrackStartError"===t.name?e.DeviceInUse:e.Other}}(b||(b={})),function(e){e[e.InvalidKey=0]="InvalidKey",e[e.MissingKey=1]="MissingKey",e[e.InternalError=2]="InternalError"}(k||(k={}));class T extends m{constructor(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:k.InternalError,n=arguments.length>2?arguments[2]:void 0;super(40,e),this.reason=t,this.participantIdentity=n}}function A(e,t){const n=(new TextEncoder).encode(t);switch(e){case"HKDF":return{name:"HKDF",salt:n,hash:"SHA-256",info:new ArrayBuffer(128)};case"PBKDF2":return{name:"PBKDF2",salt:n,hash:"SHA-256",iterations:1e5};default:throw new Error("algorithm ".concat(e," is currently unsupported"))}}function R(t,n){return e(this,void 0,void 0,(function*(){const e=A(t.algorithm.name,n.ratchetSalt),r=yield crypto.subtle.deriveKey(e,t,{name:f,length:n.keySize},!1,["encrypt","decrypt"]);return{material:t,encryptionKey:r}}))}!function(e){e.SetKey="setKey",e.RatchetRequest="ratchetRequest",e.KeyRatcheted="keyRatcheted"}(L||(L={})),function(e){e.KeyRatcheted="keyRatcheted"}(_||(_={})),function(e){e.ParticipantEncryptionStatusChanged="participantEncryptionStatusChanged",e.EncryptionError="encryptionError"}(E||(E={})),function(e){e.Error="cryptorError"}(S||(S={}));class C{static makeIV(e){const t=new ArrayBuffer(12),n=new DataView(t),r=crypto.getRandomValues(new Uint32Array(1));return n.setUint32(0,r[0]),n.setUint32(4,e),n.setUint32(8,e-C.sendCount%65535),C.sendCount++,t}static encrypt(t,n){return e(this,void 0,void 0,(function*(){const e=C.makeIV(performance.now()),r=yield n.getKeySet();if(!r)throw new Error("No key set found");const i=yield crypto.subtle.encrypt({name:f,iv:e},r.encryptionKey,new Uint8Array(t));return{payload:new Uint8Array(i),iv:new Uint8Array(e),keyIndex:n.getCurrentKeyIndex()}}))}static decrypt(t,n,r){return e(this,arguments,void 0,(function(e,t,n){let r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0,i=arguments.length>4?arguments[4]:void 0,o=arguments.length>5&&void 0!==arguments[5]?arguments[5]:{ratchetCount:0};return function*(){const a=yield n.getKeySet(r);if(!a)throw new Error("No key set found");try{const n=yield crypto.subtle.decrypt({name:f,iv:t},a.encryptionKey,new Uint8Array(e));return{payload:new Uint8Array(n)}}catch(s){if(n.keyProviderOptions.ratchetWindowSize>0){if(o.ratchetCount<n.keyProviderOptions.ratchetWindowSize){let s,c;u.debug("DataCryptor: ratcheting key attempt ".concat(o.ratchetCount," of ").concat(n.keyProviderOptions.ratchetWindowSize,", for data packet")),(null!=i?i:a)===n.getKeySet(r)&&(c=yield n.ratchetKey(r,!1),s=yield R(c.cryptoKey,n.keyProviderOptions));const d=yield C.decrypt(e,t,n,r,i,{ratchetCount:o.ratchetCount+1,encryptionKey:null==s?void 0:s.encryptionKey});return d&&s&&(null!=i?i:a)===n.getKeySet(r)&&(n.setKeySet(s,r,c),n.setCurrentKeyIndex(r)),d}throw u.warn("DataCryptor: maximum ratchet attempts exceeded"),new T("DataCryptor: valid key missing for participant ".concat(n.participantIdentity),k.InvalidKey,n.participantIdentity)}throw new T("DataCryptor: Decryption failed: ".concat(s.message),k.InvalidKey,n.participantIdentity)}}()}))}}C.sendCount=0;var P,N={exports:{}};var K=function(){if(P)return N.exports;P=1;var e,t="object"==typeof Reflect?Reflect:null,n=t&&"function"==typeof t.apply?t.apply:function(e,t,n){return Function.prototype.apply.call(e,t,n)};e=t&&"function"==typeof t.ownKeys?t.ownKeys:Object.getOwnPropertySymbols?function(e){return Object.getOwnPropertyNames(e).concat(Object.getOwnPropertySymbols(e))}:function(e){return Object.getOwnPropertyNames(e)};var r=Number.isNaN||function(e){return e!=e};function i(){i.init.call(this)}N.exports=i,N.exports.once=function(e,t){return new Promise((function(n,r){function i(n){e.removeListener(t,o),r(n)}function o(){"function"==typeof e.removeListener&&e.removeListener("error",i),n([].slice.call(arguments))}h(e,t,o,{once:!0}),"error"!==t&&function(e,t,n){"function"==typeof e.on&&h(e,"error",t,n)}(e,i,{once:!0})}))},i.EventEmitter=i,i.prototype._events=void 0,i.prototype._eventsCount=0,i.prototype._maxListeners=void 0;var o=10;function a(e){if("function"!=typeof e)throw new TypeError('The "listener" argument must be of type Function. Received type '+typeof e)}function s(e){return void 0===e._maxListeners?i.defaultMaxListeners:e._maxListeners}function c(e,t,n,r){var i,o,c,d;if(a(n),void 0===(o=e._events)?(o=e._events=Object.create(null),e._eventsCount=0):(void 0!==o.newListener&&(e.emit("newListener",t,n.listener?n.listener:n),o=e._events),c=o[t]),void 0===c)c=o[t]=n,++e._eventsCount;else if("function"==typeof c?c=o[t]=r?[n,c]:[c,n]:r?c.unshift(n):c.push(n),(i=s(e))>0&&c.length>i&&!c.warned){c.warned=!0;var u=new Error("Possible EventEmitter memory leak detected. "+c.length+" "+String(t)+" listeners added. Use emitter.setMaxListeners() to increase limit");u.name="MaxListenersExceededWarning",u.emitter=e,u.type=t,u.count=c.length,d=u,console&&console.warn&&console.warn(d)}return e}function d(){if(!this.fired)return this.target.removeListener(this.type,this.wrapFn),this.fired=!0,0===arguments.length?this.listener.call(this.target):this.listener.apply(this.target,arguments)}function u(e,t,n){var r={fired:!1,wrapFn:void 0,target:e,type:t,listener:n},i=d.bind(r);return i.listener=n,r.wrapFn=i,i}function l(e,t,n){var r=e._events;if(void 0===r)return[];var i=r[t];return void 0===i?[]:"function"==typeof i?n?[i.listener||i]:[i]:n?function(e){for(var t=new Array(e.length),n=0;n<t.length;++n)t[n]=e[n].listener||e[n];return t}(i):p(i,i.length)}function y(e){var t=this._events;if(void 0!==t){var n=t[e];if("function"==typeof n)return 1;if(void 0!==n)return n.length}return 0}function p(e,t){for(var n=new Array(t),r=0;r<t;++r)n[r]=e[r];return n}function h(e,t,n,r){if("function"==typeof e.on)r.once?e.once(t,n):e.on(t,n);else{if("function"!=typeof e.addEventListener)throw new TypeError('The "emitter" argument must be of type EventEmitter. Received type '+typeof e);e.addEventListener(t,(function i(o){r.once&&e.removeEventListener(t,i),n(o)}))}}return Object.defineProperty(i,"defaultMaxListeners",{enumerable:!0,get:function(){return o},set:function(e){if("number"!=typeof e||e<0||r(e))throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received '+e+".");o=e}}),i.init=function(){void 0!==this._events&&this._events!==Object.getPrototypeOf(this)._events||(this._events=Object.create(null),this._eventsCount=0),this._maxListeners=this._maxListeners||void 0},i.prototype.setMaxListeners=function(e){if("number"!=typeof e||e<0||r(e))throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received '+e+".");return this._maxListeners=e,this},i.prototype.getMaxListeners=function(){return s(this)},i.prototype.emit=function(e){for(var t=[],r=1;r<arguments.length;r++)t.push(arguments[r]);var i="error"===e,o=this._events;if(void 0!==o)i=i&&void 0===o.error;else if(!i)return!1;if(i){var a;if(t.length>0&&(a=t[0]),a instanceof Error)throw a;var s=new Error("Unhandled error."+(a?" ("+a.message+")":""));throw s.context=a,s}var c=o[e];if(void 0===c)return!1;if("function"==typeof c)n(c,this,t);else{var d=c.length,u=p(c,d);for(r=0;r<d;++r)n(u[r],this,t)}return!0},i.prototype.addListener=function(e,t){return c(this,e,t,!1)},i.prototype.on=i.prototype.addListener,i.prototype.prependListener=function(e,t){return c(this,e,t,!0)},i.prototype.once=function(e,t){return a(t),this.on(e,u(this,e,t)),this},i.prototype.prependOnceListener=function(e,t){return a(t),this.prependListener(e,u(this,e,t)),this},i.prototype.removeListener=function(e,t){var n,r,i,o,s;if(a(t),void 0===(r=this._events))return this;if(void 0===(n=r[e]))return this;if(n===t||n.listener===t)0==--this._eventsCount?this._events=Object.create(null):(delete r[e],r.removeListener&&this.emit("removeListener",e,n.listener||t));else if("function"!=typeof n){for(i=-1,o=n.length-1;o>=0;o--)if(n[o]===t||n[o].listener===t){s=n[o].listener,i=o;break}if(i<0)return this;0===i?n.shift():function(e,t){for(;t+1<e.length;t++)e[t]=e[t+1];e.pop()}(n,i),1===n.length&&(r[e]=n[0]),void 0!==r.removeListener&&this.emit("removeListener",e,s||t)}return this},i.prototype.off=i.prototype.removeListener,i.prototype.removeAllListeners=function(e){var t,n,r;if(void 0===(n=this._events))return this;if(void 0===n.removeListener)return 0===arguments.length?(this._events=Object.create(null),this._eventsCount=0):void 0!==n[e]&&(0==--this._eventsCount?this._events=Object.create(null):delete n[e]),this;if(0===arguments.length){var i,o=Object.keys(n);for(r=0;r<o.length;++r)"removeListener"!==(i=o[r])&&this.removeAllListeners(i);return this.removeAllListeners("removeListener"),this._events=Object.create(null),this._eventsCount=0,this}if("function"==typeof(t=n[e]))this.removeListener(e,t);else if(void 0!==t)for(r=t.length-1;r>=0;r--)this.removeListener(e,t[r]);return this},i.prototype.listeners=function(e){return l(this,e,!0)},i.prototype.rawListeners=function(e){return l(this,e,!1)},i.listenerCount=function(e,t){return"function"==typeof e.listenerCount?e.listenerCount(t):y.call(e,t)},i.prototype.listenerCount=y,i.prototype.eventNames=function(){return this._eventsCount>0?e(this._events):[]},N.exports}();const U=31;var x,O;function D(e){return e&U}function M(e){return e>>1&63}function F(e){return e===x.SLICE_IDR||e===x.SLICE_NON_IDR}function B(e){return e===O.TRAIL_N||e===O.TRAIL_R||e===O.TSA_N||e===O.TSA_R||e===O.STSA_N||e===O.STSA_R||e===O.RADL_N||e===O.RADL_R||e===O.RASL_N||e===O.RASL_R||e===O.BLA_W_LP||e===O.BLA_W_RADL||e===O.BLA_N_LP||e===O.IDR_W_RADL||e===O.IDR_N_LP||e===O.CRA_NUT}function j(e,t){const n=function(e){const t=[];let n=0,r=0,i=e.length-3;for(;r<i;){for(;r<i&&!(r<i-1&&0===e[r]&&0===e[r+1]&&0===e[r+2]&&1===e[r+3])&&(0!==e[r]||0!==e[r+1]||1!==e[r+2]);)r++;r>=i&&(r=e.length);let o=r;for(;o>n&&0===e[o-1];)o--;if(0===n){if(o!==n)throw TypeError("byte stream contains leading data")}else t.push(n);let a=3;r<e.length-3&&0===e[r]&&0===e[r+1]&&0===e[r+2]&&1===e[r+3]&&(a=4),n=r+=a}return t}(e),r=null!=t?t:function(e,t){for(const n of t){if(F(D(e[n])))return"h264";if(B(M(e[n])))return"h265"}return"unknown"}(e,n);if("unknown"===r)return{unencryptedBytes:0,detectedCodec:r,requiresNALUProcessing:!1};const i=function(e,t,n){for(const r of t)if("h265"===n){if(B(M(e[r])))return r+2}else if(F(D(e[r])))return r+2;return null}(e,n,r);if(null===i)throw new TypeError("Could not find NALU");return{unencryptedBytes:i,detectedCodec:r,requiresNALUProcessing:!0}}!function(e){e[e.SLICE_NON_IDR=1]="SLICE_NON_IDR",e[e.SLICE_PARTITION_A=2]="SLICE_PARTITION_A",e[e.SLICE_PARTITION_B=3]="SLICE_PARTITION_B",e[e.SLICE_PARTITION_C=4]="SLICE_PARTITION_C",e[e.SLICE_IDR=5]="SLICE_IDR",e[e.SEI=6]="SEI",e[e.SPS=7]="SPS",e[e.PPS=8]="PPS",e[e.AUD=9]="AUD",e[e.END_SEQ=10]="END_SEQ",e[e.END_STREAM=11]="END_STREAM",e[e.FILLER_DATA=12]="FILLER_DATA",e[e.SPS_EXT=13]="SPS_EXT",e[e.PREFIX_NALU=14]="PREFIX_NALU",e[e.SUBSET_SPS=15]="SUBSET_SPS",e[e.DPS=16]="DPS",e[e.SLICE_AUX=19]="SLICE_AUX",e[e.SLICE_EXT=20]="SLICE_EXT",e[e.SLICE_LAYER_EXT=21]="SLICE_LAYER_EXT"}(x||(x={})),function(e){e[e.TRAIL_N=0]="TRAIL_N",e[e.TRAIL_R=1]="TRAIL_R",e[e.TSA_N=2]="TSA_N",e[e.TSA_R=3]="TSA_R",e[e.STSA_N=4]="STSA_N",e[e.STSA_R=5]="STSA_R",e[e.RADL_N=6]="RADL_N",e[e.RADL_R=7]="RADL_R",e[e.RASL_N=8]="RASL_N",e[e.RASL_R=9]="RASL_R",e[e.BLA_W_LP=16]="BLA_W_LP",e[e.BLA_W_RADL=17]="BLA_W_RADL",e[e.BLA_N_LP=18]="BLA_N_LP",e[e.IDR_W_RADL=19]="IDR_W_RADL",e[e.IDR_N_LP=20]="IDR_N_LP",e[e.CRA_NUT=21]="CRA_NUT",e[e.VPS_NUT=32]="VPS_NUT",e[e.SPS_NUT=33]="SPS_NUT",e[e.PPS_NUT=34]="PPS_NUT",e[e.AUD_NUT=35]="AUD_NUT",e[e.EOS_NUT=36]="EOS_NUT",e[e.EOB_NUT=37]="EOB_NUT",e[e.FD_NUT=38]="FD_NUT",e[e.PREFIX_SEI_NUT=39]="PREFIX_SEI_NUT",e[e.SUFFIX_SEI_NUT=40]="SUFFIX_SEI_NUT"}(O||(O={}));const W="ef0161653d8b2b23aad46624b420af1d03ce48950e9fc85718028f91b50f9219",q="f0a0e09647d891d6d50aa898bce7108090375d0d55e50a2bb21147afee558e44",z="61d9665eed71b6d424ae9539330a3bdd5cb386d4d781c808219a6e36750493a7",X="faffc26b68a2fc09096fa20f3351e706398b6f838a7500c8063472c2e476e90d",V="aad8d31fc56b2802ca500e58c2fb9d0b29ad71bb7cb52cd6530251eade188988";function H(t){return e(this,void 0,void 0,(function*(){const n=yield function(t){return e(this,void 0,void 0,(function*(){const e=yield crypto.subtle.digest("SHA-256",t),n=new Uint8Array(e);return Array.from(n).map((e=>e.toString(16).padStart(2,"0"))).join("")}))}(t);switch(n){case W:return"vp8";case q:case z:case X:return"h264";case V:return"opus";default:return null}}))}const G=new Map;class Y extends K.EventEmitter{encodeFunction(e,t){throw Error("not implemented for subclass")}decodeFunction(e,t){throw Error("not implemented for subclass")}}class Q extends Y{constructor(e){var t;super(),this.lastErrorTimestamp=new Map,this.errorCounts=new Map,this.ERROR_THROTTLE_MS=1e3,this.MAX_ERRORS_PER_MINUTE=5,this.ERROR_WINDOW_MS=6e4,this.sendCounts=new Map,this.keys=e.keys,this.participantIdentity=e.participantIdentity,this.rtpMap=new Map,this.keyProviderOptions=e.keyProviderOptions,this.sifTrailer=null!==(t=e.sifTrailer)&&void 0!==t?t:Uint8Array.from([])}get logContext(){return{participant:this.participantIdentity,mediaTrackId:this.trackId,fallbackCodec:this.videoCodec}}setParticipant(e,t){u.debug("setting new participant on cryptor",Object.assign(Object.assign({},this.logContext),{newParticipant:e,hadPreviousParticipant:!!this.participantIdentity})),this.participantIdentity&&this.participantIdentity!==e&&(u.warn("cryptor has already a participant set, cleaning up before switching",{oldParticipant:this.participantIdentity,newParticipant:e,trackId:this.trackId}),this.unsetParticipant()),this.participantIdentity=e,this.keys=t}unsetParticipant(){u.debug("unsetting participant",this.logContext),this.currentTransform&&(this.currentTransform=void 0),this.participantIdentity=void 0,this.lastErrorTimestamp=new Map,this.errorCounts=new Map}isEnabled(){return this.participantIdentity?G.get(this.participantIdentity):void 0}getParticipantIdentity(){return this.participantIdentity}getTrackId(){return this.trackId}setVideoCodec(e){this.videoCodec=e}setRtpMap(e){this.rtpMap=e}setupTransform(e,t,n,r,i,o){if(o&&(u.info("setting codec on cryptor to",{codec:o}),this.videoCodec=o),u.debug("Setting up frame cryptor transform",Object.assign({operation:e,passedTrackId:r,codec:o,isReuse:i,hasCurrentTransform:!!this.currentTransform},this.logContext)),this.trackId=r,i&&this.currentTransform&&t===this.currentTransform.readable&&n===this.currentTransform.writable)return void u.debug("reusing existing transform",Object.assign(Object.assign({},this.logContext),{trackId:r}));const a=Symbol("transform"),s="encode"===e?this.encodeFunction:this.decodeFunction,c=new TransformStream({transform:s.bind(this)});this.currentTransform={readable:t,writable:n,transformer:c,trackId:r,symbol:a},t.pipeThrough(c).pipeTo(n).catch((e=>{e instanceof TypeError&&"Destination stream closed"===e.message?u.debug("destination stream closed"):(u.warn("transform error",Object.assign({error:e},this.logContext)),this.emit(S.Error,e instanceof T?e:new T(e.message,void 0,this.participantIdentity)))})).finally((()=>{var e;(null===(e=this.currentTransform)||void 0===e?void 0:e.symbol)===a&&(u.debug("transform completed",Object.assign(Object.assign({},this.logContext),{trackId:r})),this.currentTransform=void 0)}))}setSifTrailer(e){u.debug("setting SIF trailer",Object.assign(Object.assign({},this.logContext),{trailer:e})),this.sifTrailer=e}shouldEmitError(e){var t,n;const r=Date.now(),i=null!==(t=this.lastErrorTimestamp.get(e))&&void 0!==t?t:0,o=null!==(n=this.errorCounts.get(e))&&void 0!==n?n:0;return r-i>this.ERROR_WINDOW_MS?(this.errorCounts.set(e,0),this.lastErrorTimestamp.set(e,r),!0):!(r-i<this.ERROR_THROTTLE_MS)&&(o>=this.MAX_ERRORS_PER_MINUTE?(o===this.MAX_ERRORS_PER_MINUTE&&(u.warn("Suppressing further decryption errors for ".concat(this.participantIdentity),Object.assign(Object.assign({},this.logContext),{errorKey:e})),this.errorCounts.set(e,o+1)),!1):(this.lastErrorTimestamp.set(e,r),this.errorCounts.set(e,o+1),!0))}emitThrottledError(e){var t;const n="".concat(this.participantIdentity,"-").concat(e.reason,"-decrypt");if(this.shouldEmitError(n)){const r=null!==(t=this.errorCounts.get(n))&&void 0!==t?t:0;r>1&&u.debug("Decryption error (".concat(r," occurrences in window)"),Object.assign(Object.assign({},this.logContext),{reason:k[e.reason]})),this.emit(S.Error,e)}}encodeFunction(t,n){return e(this,void 0,void 0,(function*(){var e;if(!this.isEnabled()||0===t.data.byteLength)return n.enqueue(t);const r=this.keys.getKeySet();if(!r)return void this.emitThrottledError(new T("key set not found for ".concat(this.participantIdentity," at index ").concat(this.keys.getCurrentKeyIndex()),k.MissingKey,this.participantIdentity));const{encryptionKey:i}=r,o=this.keys.getCurrentKeyIndex();if(i){const r=this.makeIV(null!==(e=t.getMetadata().synchronizationSource)&&void 0!==e?e:-1,t.timestamp);let s=this.getUnencryptedBytes(t);const c=new Uint8Array(t.data,0,s.unencryptedBytes),d=new Uint8Array(2);d[0]=12,d[1]=o;try{const e=yield crypto.subtle.encrypt({name:f,iv:r,additionalData:new Uint8Array(t.data,0,c.byteLength)},i,new Uint8Array(t.data,s.unencryptedBytes));let o=new Uint8Array(e.byteLength+r.byteLength+d.byteLength);o.set(new Uint8Array(e)),o.set(new Uint8Array(r),e.byteLength),o.set(d,e.byteLength+r.byteLength),s.requiresNALUProcessing&&(o=function(e){const t=[];for(var n=0,r=0;r<e.length;++r){var i=e[r];i<=3&&n>=2&&(t.push(3),n=0),t.push(i),0==i?++n:n=0}return new Uint8Array(t)}(o));var a=new Uint8Array(c.byteLength+o.byteLength);return a.set(c),a.set(o,c.byteLength),t.data=a.buffer,n.enqueue(t)}catch(e){u.error(e)}}else u.debug("failed to encrypt, emitting error",this.logContext),this.emitThrottledError(new T("encryption key missing for encoding",k.MissingKey,this.participantIdentity))}))}decodeFunction(t,n){return e(this,void 0,void 0,(function*(){if(!this.isEnabled()||0===t.data.byteLength)return n.enqueue(t);if(function(e,t){if(0===t.byteLength)return!1;const n=new Uint8Array(e.slice(e.byteLength-t.byteLength));return t.every(((e,t)=>e===n[t]))}(t.data,this.sifTrailer))return t.data=t.data.slice(0,t.data.byteLength-this.sifTrailer.byteLength),(yield H(t.data))?(u.debug("enqueue SIF",this.logContext),n.enqueue(t)):void u.warn("Unexpected SIF frame payload, dropping frame",this.logContext);const e=new Uint8Array(t.data)[t.data.byteLength-1];if(!this.keys.hasInvalidKeyAtIndex(e))if(this.keys.getKeySet(e))try{const r=yield this.decryptFrame(t,e);if(this.keys.decryptionSuccess(e),r)return n.enqueue(r)}catch(t){t instanceof T&&t.reason===k.InvalidKey?this.keys.hasValidKey&&(this.emitThrottledError(t),this.keys.decryptionFailure(e)):u.warn("decoding frame failed",{error:t})}else u.warn("skipping decryption due to missing key at index ".concat(e)),this.emitThrottledError(new T("missing key at index ".concat(e," for participant ").concat(this.participantIdentity),k.MissingKey,this.participantIdentity)),this.keys.decryptionFailure(e)}))}decryptFrame(t,n){return e(this,arguments,void 0,(function(e,t){var n=this;let r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:void 0,i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{ratchetCount:0};return function*(){var o;const a=n.keys.getKeySet(t);if(!i.encryptionKey&&!a)throw new TypeError("no encryption key found for decryption of ".concat(n.participantIdentity));let s=n.getUnencryptedBytes(e);try{const t=new Uint8Array(e.data,0,s.unencryptedBytes);var c=new Uint8Array(e.data,t.length,e.data.byteLength-t.length);if(s.requiresNALUProcessing&&function(e){for(var t=0;t<e.length-3;t++)if(0==e[t]&&0==e[t+1]&&3==e[t+2])return!0;return!1}(c)){c=function(e){const t=[];for(var n=e.length,r=0;r<e.length;)n-r>=3&&!e[r]&&!e[r+1]&&3==e[r+2]?(t.push(e[r++]),t.push(e[r++]),r++):t.push(e[r++]);return new Uint8Array(t)}(c);const n=new Uint8Array(t.byteLength+c.byteLength);n.set(t),n.set(c,t.byteLength),e.data=n.buffer}const n=new Uint8Array(e.data,e.data.byteLength-2,2),r=n[0],d=new Uint8Array(e.data,e.data.byteLength-r-n.byteLength,r),u=t.byteLength,l=e.data.byteLength-(t.byteLength+r+n.byteLength),y=yield crypto.subtle.decrypt({name:f,iv:d,additionalData:new Uint8Array(e.data,0,t.byteLength)},null!==(o=i.encryptionKey)&&void 0!==o?o:a.encryptionKey,new Uint8Array(e.data,u,l)),p=new ArrayBuffer(t.byteLength+y.byteLength),h=new Uint8Array(p);return h.set(new Uint8Array(e.data,0,t.byteLength)),h.set(new Uint8Array(y),t.byteLength),e.data=p,e}catch(o){if(n.keyProviderOptions.ratchetWindowSize>0){if(i.ratchetCount<n.keyProviderOptions.ratchetWindowSize){let o,s;u.debug("ratcheting key attempt ".concat(i.ratchetCount," of ").concat(n.keyProviderOptions.ratchetWindowSize,", for kind ").concat(e instanceof RTCEncodedAudioFrame?"audio":"video")),(null!=r?r:a)===n.keys.getKeySet(t)&&(s=yield n.keys.ratchetKey(t,!1),o=yield R(s.cryptoKey,n.keyProviderOptions));const c=yield n.decryptFrame(e,t,r||a,{ratchetCount:i.ratchetCount+1,encryptionKey:null==o?void 0:o.encryptionKey});return c&&o&&(null!=r?r:a)===n.keys.getKeySet(t)&&(n.keys.setKeySet(o,t,s),n.keys.setCurrentKeyIndex(t)),c}throw u.warn("maximum ratchet attempts exceeded"),new T("valid key missing for participant ".concat(n.participantIdentity),k.InvalidKey,n.participantIdentity)}throw new T("Decryption failed: ".concat(o.message),k.InvalidKey,n.participantIdentity)}}()}))}makeIV(e,t){var n;const r=new ArrayBuffer(12),i=new DataView(r);this.sendCounts.has(e)||this.sendCounts.set(e,Math.floor(65535*Math.random()));const o=null!==(n=this.sendCounts.get(e))&&void 0!==n?n:0;return i.setUint32(0,e),i.setUint32(4,t),i.setUint32(8,t-o%65535),this.sendCounts.set(e,o+1),r}getUnencryptedBytes(e){var t;if(!function(e){return"type"in e}(e))return{unencryptedBytes:g.audio,requiresNALUProcessing:!1};const n=null!==(t=this.getVideoCodec(e))&&void 0!==t?t:this.videoCodec;if(n!==this.detectedCodec&&(u.debug("detected different codec",Object.assign({detectedCodec:n,oldCodec:this.detectedCodec},this.logContext)),this.detectedCodec=n),"av1"===n)throw new Error("".concat(n," is not yet supported for end to end encryption"));if("vp8"===n)return{unencryptedBytes:g[e.type],requiresNALUProcessing:!1};if("vp9"===n)return{unencryptedBytes:0,requiresNALUProcessing:!1};try{const t="h264"===n||"h265"===n?n:void 0,r=j(new Uint8Array(e.data),t);if(r.requiresNALUProcessing)return{unencryptedBytes:r.unencryptedBytes,requiresNALUProcessing:!0}}catch(e){u.debug("NALU processing failed, falling back to VP8 handling",Object.assign({error:e},this.logContext))}return{unencryptedBytes:g[e.type],requiresNALUProcessing:!1}}getVideoCodec(e){if(0===this.rtpMap.size)return;const t=e.getMetadata().payloadType;return t?this.rtpMap.get(t):void 0}}class J extends K.EventEmitter{get hasValidKey(){return!this.hasInvalidKeyAtIndex(this.currentKeyIndex)}constructor(e,t){if(super(),this.currentKeyIndex=0,t.keyringSize<1||t.keyringSize>256)throw new TypeError("Keyring size needs to be between 1 and 256");this.cryptoKeyRing=new Array(t.keyringSize).fill(void 0),this.decryptionFailureCounts=new Array(t.keyringSize).fill(0),this.keyProviderOptions=t,this.ratchetPromiseMap=new Map,this.participantIdentity=e}hasInvalidKeyAtIndex(e){return this.keyProviderOptions.failureTolerance>=0&&this.decryptionFailureCounts[e]>this.keyProviderOptions.failureTolerance}decryptionFailure(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.currentKeyIndex;this.keyProviderOptions.failureTolerance<0||(this.decryptionFailureCounts[e]+=1,this.decryptionFailureCounts[e]>this.keyProviderOptions.failureTolerance&&u.warn("key for ".concat(this.participantIdentity," at index ").concat(e," is being marked as invalid")))}decryptionSuccess(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.currentKeyIndex;this.resetKeyStatus(e)}resetKeyStatus(e){void 0===e?this.decryptionFailureCounts.fill(0):this.decryptionFailureCounts[e]=0}ratchetKey(t){let n=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];const r=null!=t?t:this.getCurrentKeyIndex(),i=this.ratchetPromiseMap.get(r);if(void 0!==i)return i;const o=new Promise(((t,i)=>e(this,void 0,void 0,(function*(){try{const i=this.getKeySet(r);if(!i)throw new TypeError("Cannot ratchet key without a valid keyset of participant ".concat(this.participantIdentity));const o=i.material,a=yield function(t,n){return e(this,void 0,void 0,(function*(){const e=A(t.algorithm.name,n);return crypto.subtle.deriveBits(e,t,256)}))}(o,this.keyProviderOptions.ratchetSalt),s=yield function(t){return e(this,arguments,void 0,(function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{name:f},n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:"encrypt";return function*(){return crypto.subtle.importKey("raw",e,t,!1,"derive"===n?["deriveBits","deriveKey"]:["encrypt","decrypt"])}()}))}(a,o.algorithm.name,"derive"),c={chainKey:a,cryptoKey:s};n&&(yield this.setKeyFromMaterial(s,r,c)),t(c)}catch(e){i(e)}finally{this.ratchetPromiseMap.delete(r)}}))));return this.ratchetPromiseMap.set(r,o),o}setKey(t){return e(this,arguments,void 0,(function(e){var t=this;let n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,r=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];return function*(){yield t.setKeyFromMaterial(e,n,null,r),r&&t.resetKeyStatus(n)}()}))}setKeyFromMaterial(t,n){return e(this,arguments,void 0,(function(e,t){var n=this;let r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,i=!(arguments.length>3&&void 0!==arguments[3])||arguments[3];return function*(){const o=yield R(e,n.keyProviderOptions),a=t>=0?t%n.cryptoKeyRing.length:n.currentKeyIndex;u.debug("setting new key with index ".concat(t),{usage:e.usages,algorithm:e.algorithm,ratchetSalt:n.keyProviderOptions.ratchetSalt}),n.setKeySet(o,a,r),a>=0&&i&&(n.currentKeyIndex=a)}()}))}setKeySet(e,t){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null;this.cryptoKeyRing[t%this.cryptoKeyRing.length]=e,n&&this.emit(_.KeyRatcheted,n,this.participantIdentity,t)}setCurrentKeyIndex(t){return e(this,void 0,void 0,(function*(){this.currentKeyIndex=t%this.cryptoKeyRing.length,this.resetKeyStatus(t)}))}getCurrentKeyIndex(){return this.currentKeyIndex}getKeySet(e){return this.cryptoKeyRing[null!=e?e:this.currentKeyIndex]}}const Z=[],$=new Map;let ee,te,ne=new class{constructor(){this.pendingTasks=new Map,this.taskMutex=new h,this.nextTaskIndex=0}run(t){return e(this,void 0,void 0,(function*(){const e={id:this.nextTaskIndex++,enqueuedAt:Date.now(),status:l.WAITING};this.pendingTasks.set(e.id,e);const n=yield this.taskMutex.lock();try{return e.executedAt=Date.now(),e.status=l.RUNNING,yield t()}finally{e.status=l.COMPLETED,this.pendingTasks.delete(e.id),n()}}))}flush(){return e(this,void 0,void 0,(function*(){return this.run((()=>e(this,void 0,void 0,(function*(){}))))}))}snapshot(){return Array.from(this.pendingTasks.values())}},re=!1,ie=v,oe=new Map;function ae(e,t){let n=Z.filter((e=>e.getTrackId()===t));if(n.length>1){const r=n.map((e=>({participant:e.getParticipantIdentity()}))).join(",");u.error("Found multiple cryptors for the same trackID ".concat(t,". target participant: ").concat(e," "),{participants:r})}let r=n[0];if(r)e!==r.getParticipantIdentity()&&r.setParticipant(e,se(e));else{if(u.info("creating new cryptor for",{participantIdentity:e,trackId:t}),!ie)throw Error("Missing keyProvider options");r=new Q({participantIdentity:e,keys:se(e),keyProviderOptions:ie,sifTrailer:te}),r.setRtpMap(oe),function(e){e.on(S.Error,(e=>{const t={kind:"error",data:{error:new Error("".concat(k[e.reason],": ").concat(e.message)),participantIdentity:e.participantIdentity}};postMessage(t)}))}(r),Z.push(r)}return r}function se(e){if(re)return ce();let t=$.get(e);return t||(t=new J(e,ie),t.on(_.KeyRatcheted,de),$.set(e,t)),t}function ce(){return ee||(u.debug("creating new shared key handler"),ee=new J("shared-key",ie)),ee}function de(e,t,n){postMessage({kind:"ratchetKey",data:{participantIdentity:t,keyIndex:n,ratchetResult:e}})}u.setDefaultLevel("info"),onmessage=t=>{ne.run((()=>e(void 0,void 0,void 0,(function*(){const{kind:n,data:r}=t.data;switch(n){case"init":u.setLevel(r.loglevel),u.info("worker initialized"),ie=r.keyProviderOptions,re=!!r.keyProviderOptions.sharedKey;postMessage({kind:"initAck",data:{enabled:false}});break;case"enable":o=r.enabled,a=r.participantIdentity,u.debug("setting encryption enabled for all tracks of ".concat(a),{enable:o}),G.set(a,o),u.info("updated e2ee enabled status for ".concat(r.participantIdentity," to ").concat(r.enabled)),postMessage(t.data);break;case"decode":ae(r.participantIdentity,r.trackId).setupTransform(n,r.readableStream,r.writableStream,r.trackId,r.isReuse,r.codec);break;case"encode":ae(r.participantIdentity,r.trackId).setupTransform(n,r.readableStream,r.writableStream,r.trackId,r.isReuse,r.codec);break;case"encryptDataRequest":const{payload:s,iv:c,keyIndex:d}=yield C.encrypt(r.payload,se(r.participantIdentity));console.log("encrypted payload",{original:r.payload,encrypted:s,iv:c}),postMessage({kind:"encryptDataResponse",data:{payload:s,iv:c,keyIndex:d,uuid:r.uuid}});break;case"decryptDataRequest":try{const{payload:e}=yield C.decrypt(r.payload,r.iv,se(r.participantIdentity),r.keyIndex);postMessage({kind:"decryptDataResponse",data:{payload:e,uuid:r.uuid}})}catch(e){u.error("DataCryptor decryption failed",{error:e,participantIdentity:r.participantIdentity,uuid:r.uuid}),postMessage({kind:"error",data:{error:e instanceof Error?e:new Error(String(e)),uuid:r.uuid}})}break;case"setKey":re?yield function(t,n,r){return e(this,void 0,void 0,(function*(){u.info("set shared key",{index:n}),yield ce().setKey(t,n,r)}))}(r.key,r.keyIndex,r.updateCurrentKeyIndex):r.participantIdentity?(u.info("set participant sender key ".concat(r.participantIdentity," index ").concat(r.keyIndex)),yield se(r.participantIdentity).setKey(r.key,r.keyIndex,r.updateCurrentKeyIndex)):u.error("no participant Id was provided and shared key usage is disabled");break;case"removeTransform":!function(e,t){const n=Z.filter((n=>n.getParticipantIdentity()===t&&n.getTrackId()===e));n.length>1&&u.error("Found multiple cryptors for the same participant and trackID combination",{trackId:e,participantIdentity:t});const r=n[0];r?r.unsetParticipant():u.warn("Could not unset participant on cryptor",{trackId:e,participantIdentity:t})}(r.trackId,r.participantIdentity);break;case"updateCodec":ae(r.participantIdentity,r.trackId).setVideoCodec(r.codec),u.info("updated codec",{participantIdentity:r.participantIdentity,trackId:r.trackId,codec:r.codec});break;case"setRTPMap":oe=r.map,Z.forEach((e=>{e.getParticipantIdentity()===r.participantIdentity&&e.setRtpMap(r.map)}));break;case"ratchetRequest":!function(t){e(this,void 0,void 0,(function*(){if(re){const e=ce();yield e.ratchetKey(t.keyIndex),e.resetKeyStatus()}else if(t.participantIdentity){const e=se(t.participantIdentity);yield e.ratchetKey(t.keyIndex),e.resetKeyStatus()}else u.error("no participant Id was provided for ratchet request and shared key usage is disabled")}))}(r);break;case"setSifTrailer":i=r.trailer,te=i,Z.forEach((e=>{e.setSifTrailer(i)}))}var i,o,a}))))},self.RTCTransformEvent&&(self.onrtctransform=t=>{const n=t.transformer,{kind:r,participantIdentity:i,trackId:o,codec:a}=n.options;ne.run((()=>e(void 0,void 0,void 0,(function*(){const e=ae(i,o);u.debug("onrtctransform setup",{participantIdentity:i,trackId:o,codec:a}),e.setupTransform(r,n.readable,n.writable,o,!1,a)}))))})}));
//# sourceMappingURL=livekit-client.e2ee.worker.js.map