pubnub/dist/web/pubnub.worker.min.js

Publish & Subscribe Real-time Messaging with PubNub

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/*! lil-uuid - v0.1 - MIT License - https://github.com/lil-js/uuid */r=s,function(e){var t="0.1.0",n={3:/^[0-9A-F]{8}-[0-9A-F]{4}-3[0-9A-F]{3}-[0-9A-F]{4}-[0-9A-F]{12}$/i,4:/^[0-9A-F]{8}-[0-9A-F]{4}-4[0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i,5:/^[0-9A-F]{8}-[0-9A-F]{4}-5[0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i,all:/^[0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12}$/i};function r(){var e,t,n="";for(e=0;e<32;e++)t=16*Math.random()|0,8!==e&&12!==e&&16!==e&&20!==e||(n+="-"),n+=(12===e?4:16===e?3&t|8:t).toString(16);return n}function i(e,t){var r=n[t||"all"];return r&&r.test(e)||!1}r.isUUID=i,r.VERSION=t,e.uuid=r,e.isUUID=i}(i=s.exports),null!==r&&(r.exports=i.uuid);var o=n(s.exports),c={createUUID:()=>o.uuid?o.uuid():o()};const l=new Map,u={},a=c.createUUID(),d=new Map,f={},h={},p={},b={},g={},v={};self.onconnect=e=>{ie("New PubNub Client connected to the Subscription Shared Worker."),e.ports.forEach((e=>{e.start(),e.onmessage=t=>{if(!J(t))return;const n=t.data;if("client-register"===n.type)n.port=e,x(n),ie(`Client '${n.clientIdentifier}' registered with '${a}' shared worker`);else if("client-unregister"===n.type)F(n);else if("client-pong"===n.type)M(n);else if("send-request"===n.type)if(n.request.path.startsWith("/v2/subscribe")){U(n);const e=f[n.clientIdentifier];if(e){const t=re(e);let r=[];if(l.has(t)&&(r=l.get(t)[0]),r.push([e,n]),!l.has(t)){const e=setTimeout((()=>{y(r,n),l.delete(t)}),50);l.set(t,[r,e])}}}else n.request.path.endsWith("/heartbeat")?(D(n),m(n)):$(n);else"cancel-request"===n.type&&k(n)},e.postMessage({type:"shared-worker-connected"})}))};const y=(e,t)=>{const n=K(t),r=f[t.clientIdentifier];r&&(e=e.filter((e=>e[0].clientIdentifier!==r.clientIdentifier)),I(r,t,n,!0),e.forEach((([e,t])=>I(e,t,n,!1))))},I=(e,t,n,r)=>{var i;let s=!1;if(r||"string"==typeof n||(n=n.identifier),e.subscription&&(s="0"===e.subscription.timetoken),"string"==typeof n){const r=v[n];if(e){if(e.subscription&&(e.subscription.timetoken=r.timetoken,e.subscription.region=r.region,e.subscription.serviceRequestId=n),!s)return;const o=(new TextEncoder).encode(`{"t":{"t":"${r.timetoken}","r":${null!==(i=r.region)&&void 0!==i?i:"0"}},"m":[]}`),c=new Headers({"Content-Type":'text/javascript; charset="UTF-8"',"Content-Length":`${o.length}`}),l=new Response(o,{status:200,headers:c}),u=W([l,o]);u.url=`${t.request.origin}${t.request.path}`,u.clientIdentifier=t.clientIdentifier,u.identifier=t.request.identifier,R(e,u)}return}t.request.cancellable&&d.set(n.identifier,new AbortController);const o=v[n.identifier],{timetokenOverride:c,regionOverride:l}=o;j(n,(()=>E(n.identifier)),((e,r)=>{A(e,r,t.request),S(e,n.identifier)}),((e,r)=>{A(e,null,t.request,L(r)),S(e,n.identifier)}),(e=>{let t=e;return s&&c&&"0"!==c&&(t=q(t,c,l)),t})),ie(`'${Object.keys(v).length}' subscription request currently active.`)},q=(e,t,n)=>{if(void 0===t||"0"===t||e[0].status>=400)return e;let r;const i=e[0];let s=i,o=e[1];try{r=JSON.parse((new TextDecoder).decode(o))}catch(t){return ie(`Subscribe response parse error: ${t}`),e}r.t.t=t,n&&(r.t.r=parseInt(n,10));try{if(o=(new TextEncoder).encode(JSON.stringify(r)).buffer,o.byteLength){const e=new Headers(i.headers);e.set("Content-Length",`${o.byteLength}`),s=new Response(o,{status:i.status,statusText:i.statusText,headers:e})}}catch(t){return ie(`Subscribe serialization error: ${t}`),e}return o.byteLength>0?[s,o]:e},m=e=>{var t;const n=f[e.clientIdentifier],r=G(e);if(!n)return;const i=`${n.userId}_${null!==(t=te(n))&&void 0!==t?t:""}`,s=p[n.subscriptionKey],o=(null!=s?s:{})[i];if(!r){let t,r;if(ie(`Previous heartbeat request has been sent less than ${n.heartbeatInterval} seconds ago. 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c=Object.assign({},e.request);if(r&&r.subscription){const{subscription:e}=r;o.length&&(e.channels=e.channels.filter((e=>!o.includes(e)))),s.length&&(e.channelGroups=e.channelGroups.filter((e=>!s.includes(e))))}if(r&&r.heartbeat){const{heartbeat:e}=r;o.length&&(e.channels=e.channels.filter((e=>!o.includes(e)))),s.length&&(e.channelGroups=e.channelGroups.filter((e=>!s.includes(e))))}for(const t of i){const n=t.subscription;void 0!==n&&(t.clientIdentifier!==e.clientIdentifier&&(o.length&&(o=o.filter((e=>!e.endsWith("-pnpres")&&!n.channels.includes(e)))),s.length&&(s=s.filter((e=>!e.endsWith("-pnpres")&&!n.channelGroups.includes(e))))))}if(o.length&&(o=o.filter((e=>!e.endsWith("-pnpres")))),s.length&&(s=s.filter((e=>!e.endsWith("-pnpres")))),0!==o.length||0!==s.length){if(r&&p[r.subscriptionKey]&&(o.length||s.length)){const e=p[r.subscriptionKey],t=`${r.userId}_${null!==(n=te(r))&&void 0!==n?n:""}`;if(e[t]){let{channels:n,channelGroups:r}=e[t];s.length&&(r=r.filter((e=>!o.includes(e)))),o.length&&(n=n.filter((e=>!o.includes(e)))),e[t].channelGroups=r,e[t].channels=n}}if(o.length){const e=c.path.split("/");e[6]=o.join(","),c.path=e.join("/")}if(s.length&&(c.queryParameters["channel-group"]=s.join(",")),i.length>1&&c.queryParameters&&c.queryParameters.auth){const e=ne(i);e&&(c.queryParameters.auth=e)}return c}if(r&&r.workerLogVerbosity){const e=i.reduce(((e,{clientIdentifier:t})=>(e.push(t),e)),[]).join(", ");ie(`Specified channels and groups still in use by other clients: ${e}. 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Don't notify about completion.`;for(const r of e)r.clientIdentifier!==t.clientIdentifier&&ie(n,r)}}},W=e=>{var t;const[n,r]=e,i=r.byteLength>0?r:void 0,s=parseInt(null!==(t=n.headers.get("Content-Length"))&&void 0!==t?t:"0",10),o=n.headers.get("Content-Type"),c={};return n.headers.forEach(((e,t)=>c[t]=e.toLowerCase())),{type:"request-process-success",clientIdentifier:"",identifier:"",url:"",response:{contentLength:s,contentType:o,headers:c,status:n.status,body:i}}},L=(e,t)=>{if(t)return Object.assign(Object.assign({},W(t)),{type:"request-process-error"});let n="NETWORK_ISSUE",r="Unknown error",i="Error";e&&e instanceof Error&&(r=e.message,i=e.name);const s=r.toLowerCase();return s.includes("timeout")?n="TIMEOUT":("AbortError"===i||s.includes("aborted")||s.includes("cancel"))&&(r="Request aborted",n="ABORTED"),{type:"request-process-error",clientIdentifier:"",identifier:"",url:"",error:{name:i,type:n,message:r}}},x=e=>{var t,n,r,i,s;const{clientIdentifier:o}=e;if(f[o])return;const c=f[o]={clientIdentifier:o,subscriptionKey:e.subscriptionKey,userId:e.userId,heartbeatInterval:e.heartbeatInterval,newlyRegistered:!0,offlineClientsCheckInterval:e.workerOfflineClientsCheckInterval,unsubscribeOfflineClients:e.workerUnsubscribeOfflineClients,workerLogVerbosity:e.workerLogVerbosity},l=null!==(t=h[i=e.subscriptionKey])&&void 0!==t?t:h[i]=[];l.every((e=>e.clientIdentifier!==o))&&l.push(c),(null!==(n=g[s=e.subscriptionKey])&&void 0!==n?n:g[s]={})[o]=e.port;const a=`Registered PubNub client with '${o}' identifier. 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Invalidating...`,t);_(e.subscriptionKey,e.clientIdentifier)}}e&&!r&&(e.lastPingRequest=(new Date).getTime()/1e3,R(e,t))})),n&&n.length>0&&n[0]){const t=n[0].offlineClientsCheckInterval;u[e]=setTimeout((()=>ee(e)),500*t-1)}},te=e=>{var t;return e.accessToken&&null!==(t=e.accessToken.token)&&void 0!==t?t:e.authKey},ne=e=>{const t=e.filter((e=>!!e.accessToken)).sort(((e,t)=>e.accessToken.expiration-t.accessToken.expiration)).pop();return t?t.authKey:void 0},re=e=>{const t=te(e);let n=`${e.userId}-${e.subscriptionKey}${t?`-${t}`:""}`;return e.subscription&&e.subscription.filterExpression&&(n+=`-${e.subscription.filterExpression}`),n},ie=(e,t)=>{const n=(t?[t]:Object.values(f)).filter((e=>e&&e.workerLogVerbosity)),r={type:"shared-worker-console-log",message:e};n.forEach((e=>{e&&R(e,r)}))},se=(e,t,n)=>{const r=(n?[n]:Object.values(f)).filter((e=>e&&e.workerLogVerbosity)),i={type:"shared-worker-console-dir",message:t,data:e};r.forEach((e=>{e&&R(e,i)}))},oe=e=>Object.keys(e).map((t=>{const n=e[t];return Array.isArray(n)?n.map((e=>`${t}=${ce(e)}`)).join("&"):`${t}=${ce(n)}`})).join("&"),ce=e=>encodeURIComponent(e).replace(/[!~*'()]/g,(e=>`%${e.charCodeAt(0).toString(16).toUpperCase()}`))}));