Commit | Line | Data |
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e8ea1e35 BA |
1 | const Discord = require('discord.js'); |
2 | const { token, channel } = require('./config/discord.json'); | |
3 | ||
2807f530 | 4 | // Node version in Ubuntu 16.04 does not know about URL class |
1611a25f | 5 | function getJsonFromUrl(url) { |
80ee5d5a BA |
6 | const query = url.substr(2); //starts with "/?" |
7 | let result = {}; | |
8 | query.split("&").forEach((part) => { | |
5bd05dba BA |
9 | const item = part.split("="); |
10 | result[item[0]] = decodeURIComponent(item[1]); | |
11 | }); | |
12 | return result; | |
2807f530 BA |
13 | } |
14 | ||
8b152ada | 15 | // Helper to safe-send some message through a (web-)socket: |
1611a25f | 16 | function send(socket, message) { |
f9c36b2d | 17 | if (!!socket && socket.readyState == 1) |
8b152ada BA |
18 | socket.send(JSON.stringify(message)); |
19 | } | |
20 | ||
1d184b4c | 21 | module.exports = function(wss) { |
71468011 | 22 | // Associative array page --> sid --> tmpId --> socket |
8418f0d7 | 23 | // "page" is either "/" for hall or "/game/some_gid" for Game, |
a041d5d8 | 24 | // or "/mygames" for Mygames page (simpler: no 'people' array). |
8418f0d7 BA |
25 | // tmpId is required if a same user (browser) has different tabs |
26 | let clients = {}; | |
7ebc0408 | 27 | // NOTE: only purpose of sidToPages = know when to delete keys in idToSid |
cafe0166 BA |
28 | let sidToPages = {}; |
29 | let idToSid = {}; | |
e8ea1e35 BA |
30 | const discordClient = new Discord.Client(); |
31 | let discordChannel = null; | |
32 | if (token.length > 0) { | |
4ac41c44 BA |
33 | discordClient.login(token); |
34 | discordClient.once("ready", () => { | |
e8ea1e35 BA |
35 | discordChannel = discordClient.channels.cache.get(channel); |
36 | }); | |
37 | } | |
5bd05dba BA |
38 | wss.on("connection", (socket, req) => { |
39 | const query = getJsonFromUrl(req.url); | |
40 | const sid = query["sid"]; | |
cafe0166 | 41 | const id = query["id"]; |
8418f0d7 | 42 | const tmpId = query["tmpId"]; |
71468011 | 43 | const page = query["page"]; |
f14572c4 | 44 | const notifyRoom = (page, code, obj={}, except) => { |
a041d5d8 | 45 | if (!clients[page]) return; |
f14572c4 | 46 | except = except || []; |
a041d5d8 | 47 | Object.keys(clients[page]).forEach(k => { |
856f995c | 48 | if (except.includes(k)) return; |
a041d5d8 | 49 | Object.keys(clients[page][k]).forEach(x => { |
f14572c4 | 50 | if (k == sid && x == tmpId) return; |
a041d5d8 BA |
51 | send( |
52 | clients[page][k][x].socket, | |
7ebc0408 | 53 | Object.assign({ code: code, from: [sid, tmpId] }, obj) |
1611a25f | 54 | ); |
71468011 | 55 | }); |
92a523d1 BA |
56 | }); |
57 | }; | |
71468011 BA |
58 | const deleteConnexion = () => { |
59 | if (!clients[page] || !clients[page][sid] || !clients[page][sid][tmpId]) | |
60 | return; //job already done | |
61 | delete clients[page][sid][tmpId]; | |
1611a25f | 62 | if (Object.keys(clients[page][sid]).length == 0) { |
71468011 | 63 | delete clients[page][sid]; |
cafe0166 BA |
64 | const pgIndex = sidToPages[sid].findIndex(pg => pg == page); |
65 | sidToPages[sid].splice(pgIndex, 1); | |
1611a25f | 66 | if (Object.keys(clients[page]).length == 0) |
71468011 | 67 | delete clients[page]; |
cafe0166 BA |
68 | // Am I totally offline? |
69 | if (sidToPages[sid].length == 0) { | |
70 | delete sidToPages[sid]; | |
71 | delete idToSid[id]; | |
72 | } | |
71468011 BA |
73 | } |
74 | }; | |
1611a25f | 75 | |
f5f51daf BA |
76 | const doDisconnect = () => { |
77 | deleteConnexion(); | |
cafe0166 | 78 | // Nothing to notify when disconnecting from MyGames page: |
7ebc0408 | 79 | if (page != "/mygames") { |
f5f51daf BA |
80 | notifyRoom(page, "disconnect"); |
81 | if (page.indexOf("/game/") >= 0) | |
7ebc0408 | 82 | notifyRoom("/", "gdisconnect", { page: page }); |
f5f51daf BA |
83 | } |
84 | }; | |
a3ac374b | 85 | const messageListener = (objtxt) => { |
5bd05dba | 86 | let obj = JSON.parse(objtxt); |
1611a25f | 87 | switch (obj.code) { |
a3ac374b BA |
88 | // Wait for "connect" message to notify connection to the room, |
89 | // because if game loading is slow the message listener might | |
90 | // not be ready too early. | |
1611a25f | 91 | case "connect": { |
71468011 BA |
92 | notifyRoom(page, "connect"); |
93 | if (page.indexOf("/game/") >= 0) | |
7ebc0408 | 94 | notifyRoom("/", "gconnect", { page: page }); |
41c80bb6 | 95 | break; |
120fe373 | 96 | } |
8418f0d7 | 97 | case "disconnect": |
71468011 | 98 | // When page changes: |
f5f51daf | 99 | doDisconnect(); |
8418f0d7 | 100 | break; |
1611a25f | 101 | case "pollclients": { |
7ebc0408 BA |
102 | // From Game |
103 | let sockIds = {}; | |
71468011 | 104 | Object.keys(clients[page]).forEach(k => { |
0d5335de BA |
105 | sockIds[k] = {}; |
106 | Object.keys(clients[page][k]).forEach(x => { | |
107 | // Avoid polling my tmpId: no information to get | |
108 | if (k != sid || x != tmpId) | |
7ebc0408 | 109 | sockIds[k][x] = { focus: clients[page][k][x].focus }; |
0d5335de | 110 | }); |
8418f0d7 | 111 | }); |
aae89b49 | 112 | send(socket, { code: "pollclients", sockIds: sockIds }); |
92a523d1 | 113 | break; |
ac8f441c | 114 | } |
1611a25f BA |
115 | case "pollclientsandgamers": { |
116 | // From Hall | |
7ebc0408 | 117 | let sockIds = {}; |
71468011 | 118 | Object.keys(clients["/"]).forEach(k => { |
0d5335de BA |
119 | sockIds[k] = {}; |
120 | Object.keys(clients[page][k]).forEach(x => { | |
121 | // Avoid polling my tmpId: no information to get | |
122 | if (k != sid || x != tmpId) { | |
7ebc0408 BA |
123 | sockIds[k][x] = { |
124 | page: "/", | |
125 | focus: clients[page][k][x].focus | |
126 | }; | |
0d5335de BA |
127 | } |
128 | }); | |
71468011 BA |
129 | }); |
130 | // NOTE: a "gamer" could also just be an observer | |
131 | Object.keys(clients).forEach(p => { | |
cafe0166 | 132 | if (p.indexOf("/game/") >= 0) { |
71468011 | 133 | Object.keys(clients[p]).forEach(k => { |
0d5335de BA |
134 | if (!sockIds[k]) sockIds[k] = {}; |
135 | Object.keys(clients[p][k]).forEach(x => { | |
136 | if (k != sid || x != tmpId) { | |
7ebc0408 BA |
137 | sockIds[k][x] = { |
138 | page: p, | |
139 | focus: clients[p][k][x].focus | |
140 | }; | |
0d5335de BA |
141 | } |
142 | }); | |
71468011 BA |
143 | }); |
144 | } | |
8418f0d7 | 145 | }); |
aae89b49 | 146 | send(socket, { code: "pollclientsandgamers", sockIds: sockIds }); |
5a3da968 | 147 | break; |
8418f0d7 | 148 | } |
71468011 BA |
149 | |
150 | // Asking something: from is fully identified, | |
151 | // but the requested resource can be from any tmpId (except current!) | |
5a3da968 | 152 | case "askidentity": |
71468011 | 153 | case "asklastate": |
28b32b4f | 154 | case "askchallenges": |
f54f4c26 | 155 | case "askgame": { |
8b152ada | 156 | const pg = obj.page || page; //required for askidentity and askgame |
f9c36b2d | 157 | if (!!clients[pg] && !!clients[pg][obj.target]) { |
f54f4c26 | 158 | let tmpIds = Object.keys(clients[pg][obj.target]); |
1611a25f BA |
159 | if (obj.target == sid) { |
160 | // Targetting myself | |
910d631b | 161 | const idx_myTmpid = tmpIds.findIndex(x => x == tmpId); |
1611a25f | 162 | if (idx_myTmpid >= 0) tmpIds.splice(idx_myTmpid, 1); |
910d631b | 163 | } |
f54f4c26 BA |
164 | if (tmpIds.length > 0) { |
165 | const ttmpId = tmpIds[Math.floor(Math.random() * tmpIds.length)]; | |
166 | send( | |
167 | clients[pg][obj.target][ttmpId].socket, | |
168 | { code: obj.code, from: [sid,tmpId,page] } | |
169 | ); | |
170 | } | |
171 | } | |
172 | break; | |
173 | } | |
174 | ||
175 | // Special situation of the previous "case": | |
176 | // Full game can be asked to any observer. | |
177 | case "askfullgame": { | |
178 | if (!!clients[page]) { | |
179 | let sids = Object.keys(clients[page]).filter(k => k != sid); | |
180 | if (sids.length > 0) { | |
181 | // Pick a SID at random in this set, and ask full game: | |
182 | const rid = sids[Math.floor(Math.random() * sids.length)]; | |
183 | // ..to a random tmpId: | |
184 | const tmpIds = Object.keys(clients[page][rid]); | |
185 | const rtmpId = tmpIds[Math.floor(Math.random() * tmpIds.length)]; | |
186 | send( | |
187 | clients[page][rid][rtmpId].socket, | |
188 | { code: "askfullgame", from: [sid,tmpId] } | |
189 | ); | |
c7550017 BA |
190 | } else { |
191 | // I'm the only person who have the game for the moment: | |
192 | send(socket, { code: "fullgame", data: { empty: true } }); | |
f54f4c26 | 193 | } |
71468011 | 194 | } |
81d9ce72 | 195 | break; |
8418f0d7 | 196 | } |
71468011 BA |
197 | |
198 | // Some Hall events: target all tmpId's (except mine), | |
199 | case "refusechallenge": | |
200 | case "startgame": | |
201 | Object.keys(clients[page][obj.target]).forEach(x => { | |
202 | if (obj.target != sid || x != tmpId) | |
1611a25f | 203 | send( |
a041d5d8 | 204 | clients[page][obj.target][x].socket, |
aae89b49 | 205 | { code: obj.code, data: obj.data } |
1611a25f | 206 | ); |
c6788ecf | 207 | }); |
4d64881e | 208 | break; |
71468011 BA |
209 | |
210 | // Notify all room: mostly game events | |
5bd05dba | 211 | case "newchat": |
71468011 | 212 | case "newchallenge": |
28b32b4f | 213 | case "deletechallenge_s": |
c292ebb2 | 214 | case "newgame": |
5bd05dba | 215 | case "resign": |
b988c726 | 216 | case "abort": |
2cc10cdb | 217 | case "drawoffer": |
c292ebb2 | 218 | case "rematchoffer": |
2cc10cdb | 219 | case "draw": |
7ebc0408 | 220 | // "newgame" message can provide a page (corr Game --> Hall) |
4ac41c44 BA |
221 | if (obj.code == "newchallenge") { |
222 | // Filter out targeted challenges and correspondance games: | |
223 | if (!obj.data.to && obj.data.cadence.indexOf('d') < 0) { | |
224 | const challMsg = ( | |
225 | (obj.data.sender || "@nonymous") + " : " + | |
226 | "**" + obj.data.vname + "** " + | |
227 | "[" + obj.data.cadence + "] " | |
228 | ); | |
229 | if (!!discordChannel) discordChannel.send(challMsg); | |
230 | else | |
231 | // Log when running locally (dev, debug): | |
232 | console.log(challMsg); | |
233 | } | |
234 | delete obj.data["sender"]; | |
235 | } | |
2c5d7b20 BA |
236 | notifyRoom( |
237 | obj.page || page, obj.code, {data: obj.data}, obj.excluded); | |
c292ebb2 BA |
238 | break; |
239 | ||
240 | case "rnewgame": | |
585d0955 | 241 | // A rematch game started: |
f14572c4 BA |
242 | notifyRoom(page, "newgame", {data: obj.data}); |
243 | // Explicitely notify Hall if gametype == corr. | |
244 | // Live games will be polled from Hall after gconnect event. | |
245 | if (obj.data.cadence.indexOf('d') >= 0) | |
246 | notifyRoom("/", "newgame", {data: obj.data}); | |
e5c1d0fb BA |
247 | break; |
248 | ||
249 | case "newmove": { | |
aae89b49 | 250 | const dataWithFrom = { from: [sid,tmpId], data: obj.data }; |
f9c36b2d | 251 | // Special case re-send newmove only to opponent: |
e5c1d0fb | 252 | if (!!obj.target && !!clients[page][obj.target]) { |
f9c36b2d BA |
253 | Object.keys(clients[page][obj.target]).forEach(x => { |
254 | send( | |
a041d5d8 | 255 | clients[page][obj.target][x].socket, |
aae89b49 | 256 | Object.assign({ code: "newmove" }, dataWithFrom) |
f9c36b2d BA |
257 | ); |
258 | }); | |
e5c1d0fb BA |
259 | } else { |
260 | // NOTE: data.from is useful only to opponent | |
261 | notifyRoom(page, "newmove", dataWithFrom); | |
f9c36b2d | 262 | } |
f9c36b2d | 263 | break; |
e5c1d0fb | 264 | } |
f9c36b2d | 265 | case "gotmove": |
e5c1d0fb BA |
266 | if ( |
267 | !!clients[page][obj.target[0]] && | |
268 | !!clients[page][obj.target[0]][obj.target[1]] | |
269 | ) { | |
270 | send( | |
a041d5d8 | 271 | clients[page][obj.target[0]][obj.target[1]].socket, |
e01e086d | 272 | { code: "gotmove" } |
e5c1d0fb | 273 | ); |
f9c36b2d | 274 | } |
71468011 BA |
275 | break; |
276 | ||
48ab808f BA |
277 | case "result": |
278 | // Special case: notify all, 'transroom': Game --> Hall | |
aae89b49 | 279 | notifyRoom("/", "result", { gid: obj.gid, score: obj.score }); |
1611a25f BA |
280 | break; |
281 | ||
aae89b49 BA |
282 | case "mabort": { |
283 | const gamePg = "/game/" + obj.gid; | |
284 | if (!!clients[gamePg] && !!clients[gamePg][obj.target]) { | |
3b0f26c1 | 285 | Object.keys(clients[gamePg][obj.target]).forEach(x => { |
aae89b49 | 286 | send( |
a041d5d8 | 287 | clients[gamePg][obj.target][x].socket, |
aae89b49 BA |
288 | { code: "abort" } |
289 | ); | |
290 | }); | |
291 | } | |
292 | break; | |
293 | } | |
48ab808f | 294 | |
cafe0166 BA |
295 | case "notifyscore": |
296 | case "notifyturn": | |
297 | case "notifynewgame": | |
298 | if (!!clients["/mygames"]) { | |
299 | obj.targets.forEach(t => { | |
0234201f | 300 | const k = t.sid || idToSid[t.id]; |
cafe0166 BA |
301 | if (!!clients["/mygames"][k]) { |
302 | Object.keys(clients["/mygames"][k]).forEach(x => { | |
303 | send( | |
304 | clients["/mygames"][k][x].socket, | |
305 | { code: obj.code, data: obj.data } | |
306 | ); | |
307 | }); | |
308 | } | |
309 | }); | |
310 | } | |
311 | break; | |
312 | ||
a041d5d8 BA |
313 | case "getfocus": |
314 | case "losefocus": | |
49dad261 BA |
315 | if ( |
316 | !!clients[page] && | |
317 | !!clients[page][sid] && | |
318 | !!clients[page][sid][tmpId] | |
319 | ) { | |
320 | clients[page][sid][tmpId].focus = (obj.code == "getfocus"); | |
321 | } | |
f14572c4 | 322 | if (page == "/") notifyRoom("/", obj.code, { page: "/" }, [sid]); |
a041d5d8 BA |
323 | else { |
324 | // Notify game room + Hall: | |
f14572c4 BA |
325 | notifyRoom(page, obj.code, {}, [sid]); |
326 | notifyRoom("/", obj.code, { page: page }, [sid]); | |
a041d5d8 BA |
327 | } |
328 | break; | |
329 | ||
71468011 BA |
330 | // Passing, relaying something: from isn't needed, |
331 | // but target is fully identified (sid + tmpId) | |
28b32b4f | 332 | case "challenges": |
71468011 BA |
333 | case "fullgame": |
334 | case "game": | |
335 | case "identity": | |
336 | case "lastate": | |
8b152ada BA |
337 | { |
338 | const pg = obj.target[2] || page; //required for identity and game | |
2c5d7b20 BA |
339 | // NOTE: if in game we ask identity to opponent still in Hall, but |
340 | // leaving Hall, clients[pg] or clients[pg][target] could be undef. | |
aae89b49 BA |
341 | if (!!clients[pg] && !!clients[pg][obj.target[0]]) { |
342 | send( | |
a041d5d8 | 343 | clients[pg][obj.target[0]][obj.target[1]].socket, |
aae89b49 BA |
344 | { code:obj.code, data:obj.data } |
345 | ); | |
346 | } | |
2cc10cdb | 347 | break; |
8b152ada | 348 | } |
5bd05dba | 349 | } |
a3ac374b BA |
350 | }; |
351 | const closeListener = () => { | |
092de306 | 352 | // For browser or tab closing (including page reload): |
f5f51daf | 353 | doDisconnect(); |
a3ac374b | 354 | }; |
71468011 | 355 | // Update clients object: add new connexion |
a041d5d8 | 356 | const newElt = { socket: socket, focus: true }; |
71468011 | 357 | if (!clients[page]) |
a041d5d8 | 358 | clients[page] = { [sid]: {[tmpId]: newElt } }; |
71468011 | 359 | else if (!clients[page][sid]) |
a041d5d8 | 360 | clients[page][sid] = { [tmpId]: newElt }; |
71468011 | 361 | else |
a041d5d8 | 362 | clients[page][sid][tmpId] = newElt; |
cafe0166 BA |
363 | // Also update helper correspondances |
364 | if (!idToSid[id]) idToSid[id] = sid; | |
365 | if (!sidToPages[sid]) sidToPages[sid] = []; | |
366 | const pgIndex = sidToPages[sid].findIndex(pg => pg == page); | |
367 | if (pgIndex === -1) sidToPages[sid].push(page); | |
a3ac374b BA |
368 | socket.on("message", messageListener); |
369 | socket.on("close", closeListener); | |
5bd05dba | 370 | }); |
1d184b4c | 371 | } |