community-plugins/serviceworker.js

// install trigger for sw - cache index.html

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be={};(function(t){(function(){"use strict";var e=t.fetch||Rt,r=ye.compare;be.resolve=function(t){return e("https://"+t+"/.well-known/host-meta").then(function(t){return t.text()}).then(function(t){return function(t){var e=new pt,r=null,n=null;if(e.on("start",function(t){r=t}),e.on("element",function(t){r.append(t)}),e.on("error",function(t){n=t}),e.write(t),e.end(),n)throw n;return r}(t).getChildren("Link").filter(function(t){return["urn:xmpp:alt-connections:websocket","urn:xmpp:alt-connections:httppoll","urn:xmpp:alt-connections:xbosh"].includes(t.attrs.rel)}).map(function(t){t=t.attrs;return{rel:t.rel,href:t.href,method:t.rel.split(":").pop(),uri:t.href}}).sort(r)}).catch(function(){return[]})}}).call(this)}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{});var we;function xe(){}we=function(){return 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r=t()}catch(t){return e(t)}return r&&r.then?r.then(void 0,e):r}function Oe(t,e,r){return r?e?e(t):t:(t&&t.then||(t=Promise.resolve(t)),e?t.then(e):t)}var Le=N.promise;function Se(r){return function(){for(var t=[],e=0;e<arguments.length;e++)t[e]=arguments[e];try{return Promise.resolve(r.apply(this,t))}catch(t){return Promise.reject(t)}}}var ke=function(t){var n=t.entity,e=n.connect;n.connect=function(t){try{return!t||t.match(/:\/\//)?e.call(this,t):Oe(je(t),function(t){var e,r=(e=n,t.filter(function(t){return e._findTransport(t)}));if(0===r.length)throw new Error("No compatible transport found.");return Ee(function(){return Pe(_e(n,r))},function(t){throw n._reset(),n._status("disconnect"),t})})}catch(t){return Promise.reject(t)}}};var Ce=function(t,e,r){return e in t?Object.defineProperty(t,e,{value:r,enumerable:!0,configurable:!0,writable:!0}):t[e]=r,t},Ae={};(function(e){(function(){"use strict";Ae.encode=function(t){return e.btoa(t)},Ae.decode=function(t){return 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t=[],e=0;e<arguments.length;e++)t[e]=arguments[e];try{return Promise.resolve(r.apply(this,t))}catch(t){return Promise.reject(t)}}}var Ke="urn:ietf:params:xml:ns:xmpp-bind";var Ye=function(t,e){var n,o,r=t.streamFeatures,t=t.iqCaller;r.use("bind",Ke,(n=e,o={iqCaller:t}.iqCaller,Je(function(t,e){var r=t.entity;return We("function"==typeof n?n(function(t){return He(r,o,t)}):He(r,o,n),function(){e()})})))};var $e="urn:ietf:params:xml:ns:xmpp-session",Ge=function(t){var r,i=t.iqCaller;t.streamFeatures.use("session",$e,(r=function(t,e,r){return r.getChild("optional")?e():(n=i.set(mt("session",$e)),r=function(){return e()},o?r?r(n):n:(n&&n.then||(n=Promise.resolve(n)),r?n.then(r):n));var n,o},function(){for(var t=[],e=0;e<arguments.length;e++)t[e]=arguments[e];try{return Promise.resolve(r.apply(this,t))}catch(t){return Promise.reject(t)}}))};function Qe(t,e,r){return r?e?e(t):t:(t&&t.then||(t=Promise.resolve(t)),e?t.then(e):t)}var Ve=rr(function(t,e,r){return Qe(t.sendReceive(mt("resume",{xmlns:er,h:e,previd:r})),function(t){if(!t.is("resumed",er))throw t;return t})});function Ze(t,e){try{var r=t()}catch(t){return e(t)}return r&&r.then?r.then(void 0,e):r}var tr=rr(function(o,t,e){return o.send(mt("enable",{xmlns:er,max:e,resume:t?"true":void 0})),new Promise(function(r,n){o.on("nonza",function t(e){if(e.is("enabled",er))r(e);else{if(!e.is("failed",er))return;n(e)}o.removeListener("nonza",t)})})});var er="urn:xmpp:sm:3";function rr(r){return function(){for(var t=[],e=0;e<arguments.length;e++)t[e]=arguments[e];try{return Promise.resolve(r.apply(this,t))}catch(t){return Promise.reject(t)}}}var nr=function(t){var e=t.streamFeatures,i=t.entity,t=t.middleware,s=null,u={allowResume:!0,preferredMaximum:null,enabled:!1,id:"",outbound:0,inbound:0,max:null};return i.on("online",function(t){s=t,u.outbound=0,u.inbound=0}),i.on("offline",function(){u.outbound=0,u.inbound=0,u.enabled=!1,u.id=""}),t.use(function(t,e){t=t.stanza;return["presence","message","iq"].includes(t.name)?u.inbound+=1:t.is("r",er)?i.send(mt("a",{xmlns:er,h:u.inbound})).catch(function(){}):t.is("a",er)&&(u.outbound=t.attrs.h),e()}),e.use("sm",er,rr(function(t,e){var r,n,o=!1;return n=function(t){return o?t:function(t,e,r){if(r)return e?e(t()):t();try{var n=Promise.resolve(t());return e?n.then(e):n}catch(t){return Promise.reject(t)}}(e,function(){var t,e,r=tr(i,u.allowResume,u.preferredMaximum);return u.outbound=0,t=Ze(function(){return Qe(r,function(t){u.enabled=!0,u.id=t.attrs.id,u.max=t.attrs.max})},function(){u.enabled=!1}),e=function(){u.inbound=0},t&&t.then?t.then(e):e(t)})},(r=(r=function(){if(u.id)return Ze(function(){return Qe(Ve(i,u.inbound,u.id),function(){return u.enabled=!0,i.jid=s,i.status="online",o=!0})},function(){u.id="",u.enabled=!1,u.outbound=0})})())&&r.then?r.then(n):n(r)})),u},or={exports:{}};n=function(t,e,r){(e.exports=r).Mechanism=r},"object"==typeof or.exports&&n(or.exports,or,r({})),or=or.exports;var ir=function(t){t.use(or)},sr={exports:{}};r=function(t,e,r){(e.exports=r).Mechanism=r},"object"==typeof sr.exports&&r(sr.exports,sr,e({})),sr=sr.exports;var ur=function(t){t.use(sr)},r={},ar=s(o),e=B.xml,o=B.jid,cr=B.Client;return r.xml=e,r.jid=o,r.clientXmpp=function(t){void 0===t&&(t={});var e=t.resource,r=t.credentials,n=t.username,o=t.password,i=(f=(0,ar.default)(t,["resource","credentials","username","password"])).domain,s=f.service;!i&&s&&(f.domain=Ct(s));var u=new cr(f),a=qt({entity:u}),c=Wt({entity:u}),l=Zt({entity:u}),t=ee({middleware:l}),i=ce({middleware:l,entity:u}),s=ve({middleware:l,entity:u}),f=ke({entity:u}),h=Ue({streamFeatures:t},r||{username:n,password:o}),r=nr({streamFeatures:t,entity:u,middleware:l}),n=Ye({iqCaller:i,streamFeatures:t},e),o=Ge({iqCaller:i,streamFeatures:t}),e=Object.entries({plain:ur,anonymous:ir}).map(function(t){var e=t[0],r=t[1],t={};return t[e]=r(h),t});return Object.assign(u,{entity:u,reconnect:a,websocket:c,middleware:l,streamFeatures:t,iqCaller:i,iqCallee:s,resolve:f,sasl:h,resourceBinding:n,sessionEstablishment:o,streamManagement:r,mechanisms:e})},r});
const { clientXmpp, xml, jid } = (self || this).XMPP;

console.debug('xmppjs objects', clientXmpp);

self.addEventListener('install', function(event) {
  var indexPage = new Request('index.html');
  event.waitUntil(
    fetch(indexPage).then(function(response) {
      return caches.open('offline').then(function(cache) {
        return cache.put(indexPage, response);
      });
  }));
});

// activate trigger

self.addEventListener('activate', function (event) {
    console.debug('Activated', event);
});


// fetch trigger - serve from cache or fetch from server, cache the file if not previously cached

self.addEventListener('fetch', function(event) {
  if (event.request.method == "GET") event.respondWith(
    fetch(event.request).then(function(response) {
      return caches.open('offline').then(function(cache) {
          try {
            cache.put(event.request, response.clone());
        } catch (e) {};
        return response;
      });
    }).catch(function (error) {
      caches.match(event.request).then(function(resp) {
        return resp;
      });
    })
  );
});

// push trigger

self.addEventListener('push', function (event) {
   console.debug('push', event);

   const data = event.data.json();
   const pos = location.href.lastIndexOf('/') + 1;

   data.url = location.href.substring(0, pos);

   console.debug('Push message', data);

   const options = {
        body: data.msgBody,
        icon: data.avatar ? data.avatar : './packages/offline-reply/converse.png',
        vibrate: [100, 50, 100],
        data: data,
        actions: [
          {action: 'open', title: 'Open', type: 'button', icon: './packages/offline-reply/arrow_right.png'},
          {action: 'reply', title: 'Reply', type: 'text', icon: './packages/offline-reply/arrow_back.png', placeholder: 'Type reply here..'}
        ]
    };
    event.waitUntil(
        self.registration.showNotification("Converse: " + data.fullname, options)
    );
});

self.addEventListener('pushsubscriptionchange', function(event) {
  console.log('[Service Worker]: \'pushsubscriptionchange\' event fired.');
});

self.addEventListener("pushsubscriptionchange", event => {

    for (var i = 0; i < clientList.length; i++) {
        var client = clientList[i];
        client.postMessage(event.oldSubscription);  // send re-subscribe to web app if running
    }
});

self.addEventListener('notificationclose', function(e) {
    console.debug('Closed notification', e.notification);
});

self.addEventListener('message', function (evt) {
  console.log('service worker postMessage received', evt.data);

  if (evt.data.domain && evt.data.ws && evt.data.username && evt.data.password)
  {
    self.xmpp = clientXmpp({ service: evt.data.ws, domain: evt.data.domain, username: evt.data.username, password: evt.data.password });
    console.log('service worker creating xmpp client', self.xmpp);

    self.xmpp.on("online", async (address) => {
      console.debug("online - sending message", address, self.xmpp_data);

      const body = ">" + self.xmpp_data.msgBody + "\n\n" + self.xmpp_data.reply;
      const message = xml("message", {type: self.xmpp_data.msgType, to: jid(self.xmpp_data.msgFrom) }, xml("body", {}, body));
      await self.xmpp.send(message);
      await self.xmpp.send(xml("presence", { type: "unavailable" }));
      await self.xmpp.stop();
    });
  }
})


self.addEventListener('notificationclick', function(event) {
    console.debug('notificationclick', event);

    event.notification.close();

    if (event.action === 'open' || event.reply)
    {
        if (event.reply && event.reply != "" && self.xmpp)
        {
            self.xmpp_data = event.notification.data;
            self.xmpp_data.reply = event.reply;

            self.xmpp.start().catch(console.error);
        }
        else {

            event.waitUntil(clients.matchAll({type: "window"}).then(function(clientList)
            {
                const url = event.notification.data.url;

                for (var i = 0; i < clientList.length; i++) {
                    console.debug("found url", clientList[i].url, clientList[i]);

                    if (clientList[i].url == event.notification.data.url && clientList[i].visibilityState == "visible") {
                        clientList[i].postMessage(event.notification.data);
                        return clientList[i].focus();
                    }
                }
                if (clients.openWindow) {
                    return clients.openWindow(event.notification.data.url);
                }
            }));
        }
    }
}, false);