Remove legacy /sioconfig and user agreement link

- `/sioconfig` has been deprecated for ages in favor of
    `/socketconfig/${channel}.json`
  - Each website administrator should be responsible for determining the
    appropriate terms of service for their website instead of CyTube
    providing a default one.

src/config.js

@@ -375,20 +375,6 @@ function preprocessConfig(cfg) {
     cfg.io["ipv4-default"] = cfg.io["ipv4-ssl"] || cfg.io["ipv4-nossl"];
     cfg.io["ipv6-default"] = cfg.io["ipv6-ssl"] || cfg.io["ipv6-nossl"];
 
-    // sioconfig
-    // TODO this whole thing is messy, need to redo how the socket address is sent
-    var sioconfigjson = {
-        "ipv4-nossl": cfg.io["ipv4-nossl"],
-        "ipv4-ssl": cfg.io["ipv4-ssl"],
-        "ipv6-nossl": cfg.io["ipv6-nossl"],
-        "ipv6-ssl": cfg.io["ipv6-ssl"]
-    };
-
-    var sioconfig = JSON.stringify(sioconfigjson);
-    sioconfig = "var IO_URLS=" + sioconfig + ";";
-    cfg.sioconfigjson = sioconfigjson;
-    cfg.sioconfig = sioconfig;
-
     // Generate RegExps for reserved names
     var reserved = cfg["reserved-names"];
     for (var key in reserved) {

src/web/webserver.js

@@ -76,43 +76,6 @@ function redirectHttps(req, res) {
     return false;
 }
 
-/**
- * Legacy socket.io configuration endpoint.  This is being migrated to
- * /socketconfig/<channel name>.json (see ./routes/socketconfig.js)
- */
-function handleLegacySocketConfig(req, res) {
-    if (/\.json$/.test(req.path)) {
-        res.json(Config.get('sioconfigjson'));
-        return;
-    }
-
-    res.type('application/javascript');
-
-    var sioconfig = Config.get('sioconfig');
-    var iourl;
-    var ip = req.realIP;
-    var ipv6 = false;
-
-    if (net.isIPv6(ip)) {
-        iourl = Config.get('io.ipv6-default');
-        ipv6 = true;
-    }
-
-    if (!iourl) {
-        iourl = Config.get('io.ipv4-default');
-    }
-
-    sioconfig += 'var IO_URL=\'' + iourl + '\';';
-    sioconfig += 'var IO_V6=' + ipv6 + ';';
-    res.send(sioconfig);
-}
-
-function handleUserAgreement(req, res) {
-    sendPug(res, 'tos', {
-        domain: Config.get('http.domain')
-    });
-}
-
 function initializeErrorHandlers(app) {
     app.use((req, res, next) => {
         return next(new HTTPError(`No route for ${req.path}`, {
@@ -220,9 +183,7 @@ module.exports = {
 
         require('./routes/channel')(app, ioConfig, chanPath);
         require('./routes/index')(app, channelIndex, webConfig.getMaxIndexEntries());
-        app.get('/sioconfig(.json)?', handleLegacySocketConfig);
         require('./routes/socketconfig')(app, clusterClient);
-        app.get('/useragreement', handleUserAgreement);
         require('./routes/contact')(app, webConfig);
         require('./auth').init(app);
         require('./account').init(app, globalMessageBus);