added RFC 1459 4.1.2 Nick message and some constants

package-lock.json

@@ -7,17 +7,20 @@
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-      "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
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@@ -26,6 +29,7 @@
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@@ -33,12 +37,14 @@
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+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
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@@ -47,17 +53,20 @@
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@@ -68,6 +77,7 @@
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@@ -78,6 +88,7 @@
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@@ -87,12 +98,14 @@
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+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
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@@ -100,17 +113,20 @@
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-      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
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-      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
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@@ -123,6 +139,7 @@
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@@ -130,12 +147,14 @@
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-      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
+      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
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@@ -143,17 +162,20 @@
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@@ -162,6 +184,7 @@
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@@ -184,17 +208,20 @@
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@@ -260,12 +294,14 @@
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-      "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
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       "integrity": "sha512-on9Kwidc1IUQo+bQdhi8+Tijpo0e1SS6RoGo2guUwn5vdaxw8RXOF9Vb2ws+ihWOmh4JnCJOvaziZWP1VABaLg==",
+      "dev": true,
       "requires": {
         "has-flag": "^3.0.0"
       }
@@ -680,6 +775,7 @@
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
       "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+      "dev": true,
       "requires": {
         "isexe": "^2.0.0"
       }
@@ -687,12 +783,14 @@
     "which-module": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
-      "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho="
+      "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
+      "dev": true
     },
     "wide-align": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
       "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
+      "dev": true,
       "requires": {
         "string-width": "^1.0.2 || 2"
       }
@@ -701,6 +799,7 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+      "dev": true,
       "requires": {
         "string-width": "^1.0.1",
         "strip-ansi": "^3.0.1"
@@ -709,12 +808,14 @@
         "ansi-regex": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
+          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+          "dev": true
         },
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+          "dev": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -723,6 +824,7 @@
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+          "dev": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -733,6 +835,7 @@
           "version": "3.0.1",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+          "dev": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -742,17 +845,20 @@
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
     },
     "y18n": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-      "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w=="
+      "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+      "dev": true
     },
     "yargs": {
       "version": "13.2.2",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.2.2.tgz",
       "integrity": "sha512-WyEoxgyTD3w5XRpAQNYUB9ycVH/PQrToaTXdYXRdOXvEy1l19br+VJsc0vcO8PTGg5ro/l/GY7F/JMEBmI0BxA==",
+      "dev": true,
       "requires": {
         "cliui": "^4.0.0",
         "find-up": "^3.0.0",
@@ -770,12 +876,14 @@
         "ansi-regex": {
           "version": "4.1.0",
           "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
-          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg=="
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "dev": true
         },
         "string-width": {
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
           "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
           "requires": {
             "emoji-regex": "^7.0.1",
             "is-fullwidth-code-point": "^2.0.0",
@@ -786,6 +894,7 @@
           "version": "5.2.0",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
           "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
           "requires": {
             "ansi-regex": "^4.1.0"
           }
@@ -796,6 +905,7 @@
       "version": "13.0.0",
       "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.0.0.tgz",
       "integrity": "sha512-w2LXjoL8oRdRQN+hOyppuXs+V/fVAYtpcrRxZuF7Kt/Oc+Jr2uAcVntaUTNT6w5ihoWfFDpNY8CPx1QskxZ/pw==",
+      "dev": true,
       "requires": {
         "camelcase": "^5.0.0",
         "decamelize": "^1.2.0"
@@ -805,6 +915,7 @@
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.5.0.tgz",
       "integrity": "sha512-HK25qidFTCVuj/D1VfNiEndpLIeJN78aqgR23nL3y4N0U/91cOAzqfHlF8n2BvoNDcZmJKin3ddNSvOxSr8flw==",
+      "dev": true,
       "requires": {
         "flat": "^4.1.0",
         "lodash": "^4.17.11",
@@ -814,17 +925,20 @@
         "get-caller-file": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.3.tgz",
-          "integrity": "sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w=="
+          "integrity": "sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w==",
+          "dev": true
         },
         "require-main-filename": {
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
-          "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE="
+          "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE=",
+          "dev": true
         },
         "yargs": {
           "version": "12.0.5",
           "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
           "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
+          "dev": true,
           "requires": {
             "cliui": "^4.0.0",
             "decamelize": "^1.2.0",
@@ -844,6 +958,7 @@
           "version": "11.1.1",
           "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
           "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
+          "dev": true,
           "requires": {
             "camelcase": "^5.0.0",
             "decamelize": "^1.2.0"

src/server.js

@@ -1,27 +1,75 @@
 const net = require("net")
 
+const RPL_WELCOME = '001'
+const ERR_NOSUCHNICK = '401'
+const ERR_NOSUCHCHANNEL = '403'
+const ERR_CANNOTSENDTOCHAN = '404'
+const ERR_UNKNOWNCOMMAND = '421'
+const ERR_ERRONEUSNICKNAME = '432'
+const ERR_NICKNAMEINUSE = '433'
+const ERR_NEEDMOREPARAMS = '461'
+
+
 let server = {}
-let userlist = {}
-
-server.create = function create(){
-  return net.createServer((socket) => {
-      socket.on('data', function(data) {
-        let tokenized = data.toString("ascii").split("\r\n")[0].split(" ")
-        switch (tokenized[0].toUpperCase()) {
-          case  "PING":
-            if (tokenized[1] && tokenized[1] === "irc.example.com") {
-              socket.write("PONG irc.example.com\r\n")
-            }
-            break;
-          default:
-            console.error(`Unknown command: ${tokenized[0].toUpperCase()}`);
+let userlist = {
+    0:
+        {
+            "nick": "chris",
+            1: "some value"
+        },
+    1:
+        {
+            "nick": "wayne",
+            1: "some_other_value"
         }
-      }).on('error', (err) => {
-        console.error(err);
-      })
+}
+
+server.create = function create() {
+    return net.createServer((socket) => {
+        socket.on('data', function (data) {
+            let tokenized = data.toString("ascii").split("\r\n")[0].split(" ")
+            switch (tokenized[0].toUpperCase()) {
+                case  "PING":
+                    if (tokenized[1] && tokenized[1] === "irc.example.com") {
+                        socket.write("PONG irc.example.com\r\n")
+                    }
+                    break;
+                case "NICK":
+                    if (tokenized[1]) {
+                        let nickname = tokenized[1]
+                        let nickNameCollision = 0
+                        for (let clientID in userlist) {
+                            console.log(clientID)
+                            if (userlist[clientID]["nick"] === nickname) {
+                                nickNameCollision = 1
+                                delete userlist[clientID]
+                            }
+                        }
+                        if (!nickNameCollision) {
+                            let index = Object.keys(userlist).length
+                            userlist[index] = {
+                                "nick": nickname
+                            }
+                            socket.write(RPL_WELCOME, " nick " + nickname + " succesfully added.")
+                        } else {
+                            socket.write(ERR_NICKNAMEINUSE, " nickname in use")
+                        }
+
+
+                    } else {
+                        socket.write("ERROR: NO NICKNAME PROVIDED")
+                    }
+
+                    break;
+                default:
+                    console.error(`Unknown command: ${tokenized[0].toUpperCase()}`);
+            }
+        }).on('error', (err) => {
+            console.error(err);
+        })
     }).on('error', (err) => {
-      console.error(err);
-      throw err;
+        console.error(err);
+        throw err;
     });
 }
 

test/server.js

@@ -25,4 +25,20 @@ describe('IRC server', function() {
       mockedSock.emit('data', Buffer.from("PING irc.example.com\r\n", "ascii"))
     })
   })
+    describe("NICK OK", function () {
+        it("should handle a NICK command -> NICK some_nickname", function (done) {
+            const server = IRCServer.create()
+            let mockedSock = new EventEmitter()
+            mockedSock.write = function (data) {
+                assert.equal(data.toString("ascii"), "001")
+                done()
+            }
+            mockedSock.destroy = function () {
+                done("Destroyed socket without answering")
+            }
+
+            server.emit("connection", mockedSock)
+            mockedSock.emit('data', Buffer.from("NICK some_nick\r\n", "ascii"))
+        })
+    })
 })