Minetrack/lib/server.js

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2023-12-30 23:03:54 +00:00
const http = require("http");
const format = require("util").format;
Minetrack 5 (#143) * remove unused #getServer methods, inline #roundToPoint * replace #safeName regex with incremental ids * remove legacy #setInterval based #updateMojangServices handling * add Tooltip class, move faviconSize to css instead of js * move server id assignment to ServerRegistry * move printPort logic to formatMinecraftServerAddress, add MINECRAFT_DEFAULT_PORTS * simplify ping tracking * rework perc-bar tooltip to not use mousemove event * begin moving graphing logic to GraphDisplayManager * begin merge graph point tracking into graphDisplayManager * centralizing graphing logic into GraphDisplayManager * properly reset GraphDisplayManager when handling disconnects * move individual server graph data into ServerGraph class * constantly run sortServers loop to simplify logic * inline #updateMojangServices method * resize performance improvements * remove legacy bootTime refresh behavior, require manual user refresh * move class defs to core.js * remove unused #isGraphDataVisible arg * remove #toggleControlsDrawer * dont call #updatePercentageBar in #updateServerStatus calls * centralize caption handling * inline #msToTime * remove hackish seconds handling for timestamps * reduce #forEach calls with filter/map * safely fallback to errorMessage if errno/description does not match * Add /images/missing_favicon.png path instead of putting base64 in js * remove debug * cleanup mojang status handling * move historyPlot instance into GraphDisplayManager * cleanup checkbox html generation * cleanup #updateServerStatus * fix up tooltip styling * move jquery code out of core.js * fix add server race condition when initially pinging servers * send error.placeholder=true for pending pings so the frontend can discard later * filter placeholder pings sent by the backend * del assets/images/logo_2014.png * move graph code into graph.js * merge pingTracker into ServerRegistry+ServerGraph * remove todos * simplify getVisibleGraphData * fix potential sortServers race condition when adding * use #show instead of #fadeIn(0) * remove publicConfig.json, send over socket * update docs/CHANGELOG.md * getOrAssign -> getOrCreateId * dont delete graph controls when disconnected * early work cleaning up HTML+CSS structures * cleanup server css elements * cleanup graph control css elements * move base CSS color values into @media(prefers-color-scheme: light) * move CSS magic colors to vars * reduce duplicated CSS color rules * inline body text color CSS * WIP replacing jQuery calls with vanilla JS * WIP replacing jQuery calls with vanilla JS * replace getElementsByClass with querySelectorAll * typeMarker -> serverTypeHTML * use jQuery slim for remaining flot.js dependency * merge setAllGraphVisibility into GraphDisplayManager * break apart element update and redraw logic * add eslint + parcel bundler * auto lint assets/js when building * statically serve favicons/ for faviconOverrides outside of dist/ * only send favicons when changed * move faviconOverride behavior into entry in servers.json * add warning to backend server files * remove .server-favicon-missing class * add Minetrack 5 migration guide * add npm run build step to install.sh * adjust package.json version to 5.0.0 * remove js references from index.html * move logic and behavior out of site.js * cleanup ServerRegistry methods * prevent multiple history graph redraws * add comments * cleanup #addServer usage, move to App * move graph control bindings into GraphDisplayManager * site.js -> main.js, core.js -> servers.js * move Tooltip/Caption into util.js * spacing tweak * format index.html * ensure the frontend does not handling updateHistoryGraph events * prevent versions/record updates if the same value * avoid empty percbar updates, ensure versions are sorted * only include main.js ref in index.html * serve minified copy of font awesome directly * bundle icons.css into main.css, remove Open Sans 400 * add new SVG logo * update docs/CHANGELOG.md * new design, server version grouping * remove start.sh call from install.sh * move graph controls into header with new button * move #handleSettingsToggle back to graph * fix legacy code behavior of currentVersionIndex applying globally * fix header text color in light mode * fix mojang status text color in light mode * fix toggle settings and checkbox colors * tweak button hover color * tweak button hover color * add new status-overlay to avoid complicated DOM management during loading * fix initial graph rendering bug * add comments * update default graph tick sizes * prevent #tooltip from overflowing page * remove localhost spec * prevent minor connection errors from reshuffling layout * update CHANGELOG.md * add message/button for manually loading historical graph on mobile devices * send isGraphVisible to frontend to prevent alert if logToDatabase: false * send timestamp data with record * update docs/CHANGELOG.md * remove clock icon * remove 24h peak timestamp * Only check favicon if present * safely handle undefined/empty knownVersions in #formatMinecraftVersions * merge config.versions and minecraft.json into minecraft_versions.json, simplify index matching behavior * remove localhost url in socket.io config * stub methods/linkage for FocusManager * add #isObjectEqual hack, add event proxying to FocusManager * wip extended stats box * remove server-type badging * tweak mojang unstable color * serve socket.io-client using parcel * fix incorrect mojang status colors * remove legacy capitalization design * redesign focus boxes * update docs/CHANGELOG.md * remove localhost ref * color clock icon * use background-color for hover effect, remove unused var * improve stats focus box icons * change mojang sessions icon to globe * Add favorites system * remove focus boxes * update docs/CHANGELOG.md * remove focus icons from font * simplify graph related event binding * Add Sort By button * store current sortOption in localStorage * update docs/CHANGELOG.md * move magic 0 sortOption to SORT_OPTION_INDEX_DEFAULT * remove localhost ref * merge #settings-toggle, #sort-by and .mojang-status CSS * remove .focus-box CSS * use sortedServerIds for _lastSortedServers * tweak --color-blue * new missing_favicon design to match logo * edit footer CSS/text, remove github icon * replace player count diff counter with GROWTH sort option * italize non-default sort options * add Only Favorites button to auto sync favorites to the visible graph data * add icons to graph control buttons * update docs/CHANGELOG.md * use * to denote non-default sort option instead * remove localhost url in socket.io config * add value highlighting to make sort by easier to read * remove last remaining uppercase text * remove serverTypesVisible from config.json * simplify header CSS, fix spacing with logToDatabase=false * fix inverted text color on highlighted values * remove localhost url in socket.io config * break header into rows on mobile devices Co-authored-by: Hugo Manrique <contact@hugmanrique.me>
2020-04-20 00:27:59 +00:00
2023-12-30 23:03:54 +00:00
const WebSocket = require("ws");
const finalHttpHandler = require("finalhandler");
const serveStatic = require("serve-static");
Minetrack 5 (#143) * remove unused #getServer methods, inline #roundToPoint * replace #safeName regex with incremental ids * remove legacy #setInterval based #updateMojangServices handling * add Tooltip class, move faviconSize to css instead of js * move server id assignment to ServerRegistry * move printPort logic to formatMinecraftServerAddress, add MINECRAFT_DEFAULT_PORTS * simplify ping tracking * rework perc-bar tooltip to not use mousemove event * begin moving graphing logic to GraphDisplayManager * begin merge graph point tracking into graphDisplayManager * centralizing graphing logic into GraphDisplayManager * properly reset GraphDisplayManager when handling disconnects * move individual server graph data into ServerGraph class * constantly run sortServers loop to simplify logic * inline #updateMojangServices method * resize performance improvements * remove legacy bootTime refresh behavior, require manual user refresh * move class defs to core.js * remove unused #isGraphDataVisible arg * remove #toggleControlsDrawer * dont call #updatePercentageBar in #updateServerStatus calls * centralize caption handling * inline #msToTime * remove hackish seconds handling for timestamps * reduce #forEach calls with filter/map * safely fallback to errorMessage if errno/description does not match * Add /images/missing_favicon.png path instead of putting base64 in js * remove debug * cleanup mojang status handling * move historyPlot instance into GraphDisplayManager * cleanup checkbox html generation * cleanup #updateServerStatus * fix up tooltip styling * move jquery code out of core.js * fix add server race condition when initially pinging servers * send error.placeholder=true for pending pings so the frontend can discard later * filter placeholder pings sent by the backend * del assets/images/logo_2014.png * move graph code into graph.js * merge pingTracker into ServerRegistry+ServerGraph * remove todos * simplify getVisibleGraphData * fix potential sortServers race condition when adding * use #show instead of #fadeIn(0) * remove publicConfig.json, send over socket * update docs/CHANGELOG.md * getOrAssign -> getOrCreateId * dont delete graph controls when disconnected * early work cleaning up HTML+CSS structures * cleanup server css elements * cleanup graph control css elements * move base CSS color values into @media(prefers-color-scheme: light) * move CSS magic colors to vars * reduce duplicated CSS color rules * inline body text color CSS * WIP replacing jQuery calls with vanilla JS * WIP replacing jQuery calls with vanilla JS * replace getElementsByClass with querySelectorAll * typeMarker -> serverTypeHTML * use jQuery slim for remaining flot.js dependency * merge setAllGraphVisibility into GraphDisplayManager * break apart element update and redraw logic * add eslint + parcel bundler * auto lint assets/js when building * statically serve favicons/ for faviconOverrides outside of dist/ * only send favicons when changed * move faviconOverride behavior into entry in servers.json * add warning to backend server files * remove .server-favicon-missing class * add Minetrack 5 migration guide * add npm run build step to install.sh * adjust package.json version to 5.0.0 * remove js references from index.html * move logic and behavior out of site.js * cleanup ServerRegistry methods * prevent multiple history graph redraws * add comments * cleanup #addServer usage, move to App * move graph control bindings into GraphDisplayManager * site.js -> main.js, core.js -> servers.js * move Tooltip/Caption into util.js * spacing tweak * format index.html * ensure the frontend does not handling updateHistoryGraph events * prevent versions/record updates if the same value * avoid empty percbar updates, ensure versions are sorted * only include main.js ref in index.html * serve minified copy of font awesome directly * bundle icons.css into main.css, remove Open Sans 400 * add new SVG logo * update docs/CHANGELOG.md * new design, server version grouping * remove start.sh call from install.sh * move graph controls into header with new button * move #handleSettingsToggle back to graph * fix legacy code behavior of currentVersionIndex applying globally * fix header text color in light mode * fix mojang status text color in light mode * fix toggle settings and checkbox colors * tweak button hover color * tweak button hover color * add new status-overlay to avoid complicated DOM management during loading * fix initial graph rendering bug * add comments * update default graph tick sizes * prevent #tooltip from overflowing page * remove localhost spec * prevent minor connection errors from reshuffling layout * update CHANGELOG.md * add message/button for manually loading historical graph on mobile devices * send isGraphVisible to frontend to prevent alert if logToDatabase: false * send timestamp data with record * update docs/CHANGELOG.md * remove clock icon * remove 24h peak timestamp * Only check favicon if present * safely handle undefined/empty knownVersions in #formatMinecraftVersions * merge config.versions and minecraft.json into minecraft_versions.json, simplify index matching behavior * remove localhost url in socket.io config * stub methods/linkage for FocusManager * add #isObjectEqual hack, add event proxying to FocusManager * wip extended stats box * remove server-type badging * tweak mojang unstable color * serve socket.io-client using parcel * fix incorrect mojang status colors * remove legacy capitalization design * redesign focus boxes * update docs/CHANGELOG.md * remove localhost ref * color clock icon * use background-color for hover effect, remove unused var * improve stats focus box icons * change mojang sessions icon to globe * Add favorites system * remove focus boxes * update docs/CHANGELOG.md * remove focus icons from font * simplify graph related event binding * Add Sort By button * store current sortOption in localStorage * update docs/CHANGELOG.md * move magic 0 sortOption to SORT_OPTION_INDEX_DEFAULT * remove localhost ref * merge #settings-toggle, #sort-by and .mojang-status CSS * remove .focus-box CSS * use sortedServerIds for _lastSortedServers * tweak --color-blue * new missing_favicon design to match logo * edit footer CSS/text, remove github icon * replace player count diff counter with GROWTH sort option * italize non-default sort options * add Only Favorites button to auto sync favorites to the visible graph data * add icons to graph control buttons * update docs/CHANGELOG.md * use * to denote non-default sort option instead * remove localhost url in socket.io config * add value highlighting to make sort by easier to read * remove last remaining uppercase text * remove serverTypesVisible from config.json * simplify header CSS, fix spacing with logToDatabase=false * fix inverted text color on highlighted values * remove localhost url in socket.io config * break header into rows on mobile devices Co-authored-by: Hugo Manrique <contact@hugmanrique.me>
2020-04-20 00:27:59 +00:00
2023-12-30 23:03:54 +00:00
const logger = require("./logger");
Minetrack 5 (#143) * remove unused #getServer methods, inline #roundToPoint * replace #safeName regex with incremental ids * remove legacy #setInterval based #updateMojangServices handling * add Tooltip class, move faviconSize to css instead of js * move server id assignment to ServerRegistry * move printPort logic to formatMinecraftServerAddress, add MINECRAFT_DEFAULT_PORTS * simplify ping tracking * rework perc-bar tooltip to not use mousemove event * begin moving graphing logic to GraphDisplayManager * begin merge graph point tracking into graphDisplayManager * centralizing graphing logic into GraphDisplayManager * properly reset GraphDisplayManager when handling disconnects * move individual server graph data into ServerGraph class * constantly run sortServers loop to simplify logic * inline #updateMojangServices method * resize performance improvements * remove legacy bootTime refresh behavior, require manual user refresh * move class defs to core.js * remove unused #isGraphDataVisible arg * remove #toggleControlsDrawer * dont call #updatePercentageBar in #updateServerStatus calls * centralize caption handling * inline #msToTime * remove hackish seconds handling for timestamps * reduce #forEach calls with filter/map * safely fallback to errorMessage if errno/description does not match * Add /images/missing_favicon.png path instead of putting base64 in js * remove debug * cleanup mojang status handling * move historyPlot instance into GraphDisplayManager * cleanup checkbox html generation * cleanup #updateServerStatus * fix up tooltip styling * move jquery code out of core.js * fix add server race condition when initially pinging servers * send error.placeholder=true for pending pings so the frontend can discard later * filter placeholder pings sent by the backend * del assets/images/logo_2014.png * move graph code into graph.js * merge pingTracker into ServerRegistry+ServerGraph * remove todos * simplify getVisibleGraphData * fix potential sortServers race condition when adding * use #show instead of #fadeIn(0) * remove publicConfig.json, send over socket * update docs/CHANGELOG.md * getOrAssign -> getOrCreateId * dont delete graph controls when disconnected * early work cleaning up HTML+CSS structures * cleanup server css elements * cleanup graph control css elements * move base CSS color values into @media(prefers-color-scheme: light) * move CSS magic colors to vars * reduce duplicated CSS color rules * inline body text color CSS * WIP replacing jQuery calls with vanilla JS * WIP replacing jQuery calls with vanilla JS * replace getElementsByClass with querySelectorAll * typeMarker -> serverTypeHTML * use jQuery slim for remaining flot.js dependency * merge setAllGraphVisibility into GraphDisplayManager * break apart element update and redraw logic * add eslint + parcel bundler * auto lint assets/js when building * statically serve favicons/ for faviconOverrides outside of dist/ * only send favicons when changed * move faviconOverride behavior into entry in servers.json * add warning to backend server files * remove .server-favicon-missing class * add Minetrack 5 migration guide * add npm run build step to install.sh * adjust package.json version to 5.0.0 * remove js references from index.html * move logic and behavior out of site.js * cleanup ServerRegistry methods * prevent multiple history graph redraws * add comments * cleanup #addServer usage, move to App * move graph control bindings into GraphDisplayManager * site.js -> main.js, core.js -> servers.js * move Tooltip/Caption into util.js * spacing tweak * format index.html * ensure the frontend does not handling updateHistoryGraph events * prevent versions/record updates if the same value * avoid empty percbar updates, ensure versions are sorted * only include main.js ref in index.html * serve minified copy of font awesome directly * bundle icons.css into main.css, remove Open Sans 400 * add new SVG logo * update docs/CHANGELOG.md * new design, server version grouping * remove start.sh call from install.sh * move graph controls into header with new button * move #handleSettingsToggle back to graph * fix legacy code behavior of currentVersionIndex applying globally * fix header text color in light mode * fix mojang status text color in light mode * fix toggle settings and checkbox colors * tweak button hover color * tweak button hover color * add new status-overlay to avoid complicated DOM management during loading * fix initial graph rendering bug * add comments * update default graph tick sizes * prevent #tooltip from overflowing page * remove localhost spec * prevent minor connection errors from reshuffling layout * update CHANGELOG.md * add message/button for manually loading historical graph on mobile devices * send isGraphVisible to frontend to prevent alert if logToDatabase: false * send timestamp data with record * update docs/CHANGELOG.md * remove clock icon * remove 24h peak timestamp * Only check favicon if present * safely handle undefined/empty knownVersions in #formatMinecraftVersions * merge config.versions and minecraft.json into minecraft_versions.json, simplify index matching behavior * remove localhost url in socket.io config * stub methods/linkage for FocusManager * add #isObjectEqual hack, add event proxying to FocusManager * wip extended stats box * remove server-type badging * tweak mojang unstable color * serve socket.io-client using parcel * fix incorrect mojang status colors * remove legacy capitalization design * redesign focus boxes * update docs/CHANGELOG.md * remove localhost ref * color clock icon * use background-color for hover effect, remove unused var * improve stats focus box icons * change mojang sessions icon to globe * Add favorites system * remove focus boxes * update docs/CHANGELOG.md * remove focus icons from font * simplify graph related event binding * Add Sort By button * store current sortOption in localStorage * update docs/CHANGELOG.md * move magic 0 sortOption to SORT_OPTION_INDEX_DEFAULT * remove localhost ref * merge #settings-toggle, #sort-by and .mojang-status CSS * remove .focus-box CSS * use sortedServerIds for _lastSortedServers * tweak --color-blue * new missing_favicon design to match logo * edit footer CSS/text, remove github icon * replace player count diff counter with GROWTH sort option * italize non-default sort options * add Only Favorites button to auto sync favorites to the visible graph data * add icons to graph control buttons * update docs/CHANGELOG.md * use * to denote non-default sort option instead * remove localhost url in socket.io config * add value highlighting to make sort by easier to read * remove last remaining uppercase text * remove serverTypesVisible from config.json * simplify header CSS, fix spacing with logToDatabase=false * fix inverted text color on highlighted values * remove localhost url in socket.io config * break header into rows on mobile devices Co-authored-by: Hugo Manrique <contact@hugmanrique.me>
2020-04-20 00:27:59 +00:00
2023-12-30 23:03:54 +00:00
const HASHED_FAVICON_URL_REGEX = /hashedfavicon_([a-z0-9]{32}).png/g;
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function getRemoteAddr(req) {
return (
req.headers["cf-connecting-ip"] ||
req.headers["x-forwarded-for"] ||
req.connection.remoteAddress
);
}
Minetrack 5 (#143) * remove unused #getServer methods, inline #roundToPoint * replace #safeName regex with incremental ids * remove legacy #setInterval based #updateMojangServices handling * add Tooltip class, move faviconSize to css instead of js * move server id assignment to ServerRegistry * move printPort logic to formatMinecraftServerAddress, add MINECRAFT_DEFAULT_PORTS * simplify ping tracking * rework perc-bar tooltip to not use mousemove event * begin moving graphing logic to GraphDisplayManager * begin merge graph point tracking into graphDisplayManager * centralizing graphing logic into GraphDisplayManager * properly reset GraphDisplayManager when handling disconnects * move individual server graph data into ServerGraph class * constantly run sortServers loop to simplify logic * inline #updateMojangServices method * resize performance improvements * remove legacy bootTime refresh behavior, require manual user refresh * move class defs to core.js * remove unused #isGraphDataVisible arg * remove #toggleControlsDrawer * dont call #updatePercentageBar in #updateServerStatus calls * centralize caption handling * inline #msToTime * remove hackish seconds handling for timestamps * reduce #forEach calls with filter/map * safely fallback to errorMessage if errno/description does not match * Add /images/missing_favicon.png path instead of putting base64 in js * remove debug * cleanup mojang status handling * move historyPlot instance into GraphDisplayManager * cleanup checkbox html generation * cleanup #updateServerStatus * fix up tooltip styling * move jquery code out of core.js * fix add server race condition when initially pinging servers * send error.placeholder=true for pending pings so the frontend can discard later * filter placeholder pings sent by the backend * del assets/images/logo_2014.png * move graph code into graph.js * merge pingTracker into ServerRegistry+ServerGraph * remove todos * simplify getVisibleGraphData * fix potential sortServers race condition when adding * use #show instead of #fadeIn(0) * remove publicConfig.json, send over socket * update docs/CHANGELOG.md * getOrAssign -> getOrCreateId * dont delete graph controls when disconnected * early work cleaning up HTML+CSS structures * cleanup server css elements * cleanup graph control css elements * move base CSS color values into @media(prefers-color-scheme: light) * move CSS magic colors to vars * reduce duplicated CSS color rules * inline body text color CSS * WIP replacing jQuery calls with vanilla JS * WIP replacing jQuery calls with vanilla JS * replace getElementsByClass with querySelectorAll * typeMarker -> serverTypeHTML * use jQuery slim for remaining flot.js dependency * merge setAllGraphVisibility into GraphDisplayManager * break apart element update and redraw logic * add eslint + parcel bundler * auto lint assets/js when building * statically serve favicons/ for faviconOverrides outside of dist/ * only send favicons when changed * move faviconOverride behavior into entry in servers.json * add warning to backend server files * remove .server-favicon-missing class * add Minetrack 5 migration guide * add npm run build step to install.sh * adjust package.json version to 5.0.0 * remove js references from index.html * move logic and behavior out of site.js * cleanup ServerRegistry methods * prevent multiple history graph redraws * add comments * cleanup #addServer usage, move to App * move graph control bindings into GraphDisplayManager * site.js -> main.js, core.js -> servers.js * move Tooltip/Caption into util.js * spacing tweak * format index.html * ensure the frontend does not handling updateHistoryGraph events * prevent versions/record updates if the same value * avoid empty percbar updates, ensure versions are sorted * only include main.js ref in index.html * serve minified copy of font awesome directly * bundle icons.css into main.css, remove Open Sans 400 * add new SVG logo * update docs/CHANGELOG.md * new design, server version grouping * remove start.sh call from install.sh * move graph controls into header with new button * move #handleSettingsToggle back to graph * fix legacy code behavior of currentVersionIndex applying globally * fix header text color in light mode * fix mojang status text color in light mode * fix toggle settings and checkbox colors * tweak button hover color * tweak button hover color * add new status-overlay to avoid complicated DOM management during loading * fix initial graph rendering bug * add comments * update default graph tick sizes * prevent #tooltip from overflowing page * remove localhost spec * prevent minor connection errors from reshuffling layout * update CHANGELOG.md * add message/button for manually loading historical graph on mobile devices * send isGraphVisible to frontend to prevent alert if logToDatabase: false * send timestamp data with record * update docs/CHANGELOG.md * remove clock icon * remove 24h peak timestamp * Only check favicon if present * safely handle undefined/empty knownVersions in #formatMinecraftVersions * merge config.versions and minecraft.json into minecraft_versions.json, simplify index matching behavior * remove localhost url in socket.io config * stub methods/linkage for FocusManager * add #isObjectEqual hack, add event proxying to FocusManager * wip extended stats box * remove server-type badging * tweak mojang unstable color * serve socket.io-client using parcel * fix incorrect mojang status colors * remove legacy capitalization design * redesign focus boxes * update docs/CHANGELOG.md * remove localhost ref * color clock icon * use background-color for hover effect, remove unused var * improve stats focus box icons * change mojang sessions icon to globe * Add favorites system * remove focus boxes * update docs/CHANGELOG.md * remove focus icons from font * simplify graph related event binding * Add Sort By button * store current sortOption in localStorage * update docs/CHANGELOG.md * move magic 0 sortOption to SORT_OPTION_INDEX_DEFAULT * remove localhost ref * merge #settings-toggle, #sort-by and .mojang-status CSS * remove .focus-box CSS * use sortedServerIds for _lastSortedServers * tweak --color-blue * new missing_favicon design to match logo * edit footer CSS/text, remove github icon * replace player count diff counter with GROWTH sort option * italize non-default sort options * add Only Favorites button to auto sync favorites to the visible graph data * add icons to graph control buttons * update docs/CHANGELOG.md * use * to denote non-default sort option instead * remove localhost url in socket.io config * add value highlighting to make sort by easier to read * remove last remaining uppercase text * remove serverTypesVisible from config.json * simplify header CSS, fix spacing with logToDatabase=false * fix inverted text color on highlighted values * remove localhost url in socket.io config * break header into rows on mobile devices Co-authored-by: Hugo Manrique <contact@hugmanrique.me>
2020-04-20 00:27:59 +00:00
class Server {
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static getHashedFaviconUrl(hash) {
// Format must be compatible with HASHED_FAVICON_URL_REGEX
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return format("/hashedfavicon_%s.png", hash);
}
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constructor(app) {
this._app = app;
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this.createHttpServer();
this.createWebSocketServer();
}
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createHttpServer() {
const distServeStatic = serveStatic("dist/");
const faviconsServeStatic = serveStatic("favicons/");
this._http = http.createServer((req, res) => {
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logger.log("info", "%s requested: %s", getRemoteAddr(req), req.url);
// Test the URL against a regex for hashed favicon URLs
// Require only 1 match ([0]) and test its first captured group ([1])
// Any invalid value or hit miss will pass into static handlers below
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const faviconHash = [...req.url.matchAll(HASHED_FAVICON_URL_REGEX)];
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if (
faviconHash.length === 1 &&
this.handleFaviconRequest(res, faviconHash[0][1])
) {
return;
}
// Attempt to handle req using distServeStatic, otherwise fail over to faviconServeStatic
// If faviconServeStatic fails, pass to finalHttpHandler to terminate
distServeStatic(req, res, () => {
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faviconsServeStatic(req, res, finalHttpHandler(req, res));
});
});
}
handleFaviconRequest = (res, faviconHash) => {
for (const serverRegistration of this._app.serverRegistrations) {
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if (
serverRegistration.faviconHash &&
serverRegistration.faviconHash === faviconHash
) {
const buf = Buffer.from(
serverRegistration.lastFavicon.split(",")[1],
"base64"
);
res
.writeHead(200, {
"Content-Type": "image/png",
"Content-Length": buf.length,
"Cache-Control": "public, max-age=604800", // Cache hashed favicon for 7 days
})
.end(buf);
return true;
}
}
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return false;
};
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createWebSocketServer() {
this._wss = new WebSocket.Server({
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server: this._http,
});
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this._wss.on("connection", (client, req) => {
logger.log(
"info",
"%s connected, total clients: %d",
getRemoteAddr(req),
this.getConnectedClients()
);
// Bind disconnect event for logging
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client.on("close", () => {
logger.log(
"info",
"%s disconnected, total clients: %d",
getRemoteAddr(req),
this.getConnectedClients()
);
});
// Pass client off to proxy handler
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this._app.handleClientConnection(client);
});
}
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listen(host, port) {
this._http.listen(port, host);
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logger.log("info", "Started on %s:%d", host, port);
}
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broadcast(payload) {
this._wss.clients.forEach((client) => {
if (client.readyState === WebSocket.OPEN) {
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client.send(payload);
}
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});
}
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getConnectedClients() {
let count = 0;
this._wss.clients.forEach((client) => {
if (client.readyState === WebSocket.OPEN) {
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count++;
}
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});
return count;
}
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}
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module.exports = Server;