Browse Source

Initial Commit

Alexander Vornam 2 years ago
commit
a7799c6d25
12 changed files with 1294 additions and 0 deletions
  1. 3 0
      .gitignore
  2. 1 0
      config/ban.json
  3. 175 0
      index.js
  4. 546 0
      package-lock.json
  5. 12 0
      package.json
  6. 39 0
      ssl/ca_bundle.crt
  7. 37 0
      ssl/certificate.crt
  8. 27 0
      ssl/private.key
  9. 142 0
      www/css/app.css
  10. 30 0
      www/css/theme.css
  11. 76 0
      www/index.html
  12. 206 0
      www/js/main.js

+ 3 - 0
.gitignore

@@ -0,0 +1,3 @@
+.idea/
+node_modules/
+log.txt

+ 1 - 0
config/ban.json

@@ -0,0 +1 @@
+[]

+ 175 - 0
index.js

@@ -0,0 +1,175 @@
+const fs = require('fs');
+const https = require('https');
+
+const express = require('express');
+const app = express();
+
+const options = {
+    key: fs.readFileSync("ssl/private.key"),
+    cert: fs.readFileSync("ssl/certificate.crt"),
+    ca: [ fs.readFileSync('ssl/ca_bundle.crt') ]
+};
+
+const server = https.createServer(options, app);
+const io = require('socket.io')(server);
+
+const PORT = 443;
+
+const admins = {
+    'André': 'passwort'
+}
+
+var users = [];
+
+var bannedIps = [];
+
+fs.readFile("config/ban.json", "utf8", (err, data) => {
+    if (!err) {
+        bannedIps = JSON.parse(data);
+    }
+})
+
+app.use(express.static(__dirname + '/www'));
+app.use('/node_modules', express.static(__dirname + '/node_modules'));
+
+io.on('connection', (socket) => {
+    const ip = socket.handshake.address;
+
+    log('- New user joined the server:', ip);
+
+    for (const bannedItem of bannedIps) {
+        if (bannedItem.ip == ip) {
+            log('- User blacklisted, kicking:', ip)
+            socket.emit('serverKick');
+            socket.disconnect();
+            break;
+        }
+    }
+
+    socket.emit('serverHandshake');
+
+    const user = { ip: ip, socket: socket };
+    users.push(user);
+
+    socket.on('login', (username, password) => {
+        if (!username) {
+            socket.emit('usernameInvalid');
+            return;
+        }
+
+        for (let user of users) {
+            if (user.name == username) {
+                socket.emit('usernameTaken');
+                return;
+            }
+        }
+
+
+        if (admins && admins[username]) {
+            if (!password) {
+                log('- Attempted login as admin without password.', username, '(' + ip + ')');
+                socket.emit('passwordRequired');
+                return;
+            } else if (admins[username] != password) {
+                log('- Attempted login as admin with wrong password.', username, '(' + ip + ')');
+                socket.emit('passwordWrong');
+                return;
+            }
+
+            log('- Admin "' + username + '" login successful');
+            user.admin = true;
+
+            socket.on('requestKick', (userToBeKicked) => {
+                log('- Admin "' + username + '" requested kick of User "' + userToBeKicked.name + '"');
+                kickUser(userToBeKicked);
+            });
+
+            socket.on('requestLiftBan', (ip) => {
+                log('- Admin "' + username + '" requested to lift ban for ip "' + ip + '"');
+                liftBan(ip);
+            });
+        }
+
+        log('- New user logged in:', username, '(' + ip + ')');
+
+        user.name = username;
+
+        socket.emit('serverLogin', getCleanUser(user));
+        io.emit('userJoined', username);
+        updateUsers();
+        updateBanned();
+
+        socket.on('disconnect', () => {
+            log('- User joined the server:', ip);
+
+            users = users.filter((listUser) => listUser !== user);
+            io.emit('userLeft', username);
+            updateUsers();
+        });
+
+        socket.on('message', (msg) => {
+            if (msg) {
+                log(user.name + ':', msg, '(' + user.ip + ')');
+                io.emit('message', msg, getCleanUser(user), Date.now());
+            }
+        });
+    });
+});
+
+function updateUsers() {
+    io.emit('usersUpdated', users.filter((user) => user.name != null).map(getCleanUser));
+}
+
+function getCleanUser(user) {
+    return {
+        name: user.name,
+        admin: user.admin
+    }
+}
+
+function kickUser(user) {
+    let ip;
+
+    for (const exUser of users) {
+        if (exUser.name == user.name) {
+            ip = exUser.ip;
+            break;
+        }
+    }
+
+    bannedIps.push({ ip: ip, user: user });
+    updateBanned();
+
+    for (const exUser of users) {
+        if (exUser.ip == ip) {
+            exUser.socket.emit('serverKick');
+            exUser.socket.disconnect();
+        }
+    }
+}
+
+function liftBan(ip) {
+    bannedIps = bannedIps.filter((listItem) => listItem.ip != ip);
+    updateBanned();
+}
+
+function updateBanned() {
+    fs.writeFile('config/ban.json', JSON.stringify(bannedIps), (e) => {});
+    io.emit('bannedUpdated', bannedIps);
+}
+
+function log(...inputs) {
+    var output = '[' + new Date().toISOString().substr(0, 19).replace('T', ', ') + '] ';
+
+    for (const i of inputs) {
+        output += i + ' ';
+    }
+
+    console.log(output);
+
+    fs.appendFile('log.txt', '' + output + '\n', (e) => {});
+}
+
+server.listen(PORT, () => {
+    log('- Server up and running at port ' +  PORT);
+});

+ 546 - 0
package-lock.json

@@ -0,0 +1,546 @@
+{
+	"name": "Chat",
+	"version": "0.0.1",
+	"lockfileVersion": 1,
+	"requires": true,
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+		},
+		"@types/cors": {
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+ 12 - 0
package.json

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+	"description": "",
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+	}
+}

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ssl/ca_bundle.crt

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+Jp92U888Ggxkcp9lF7Q3c+mkrCmGwPwDd2nvc7v7ryFE+FMIHjJS6EBVgA==
+-----END CERTIFICATE-----

+ 27 - 0
ssl/private.key

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIEpAIBAAKCAQEAkD/CPeVao+ij8jvyW0MkczqTf6fPG1rFwuA/nyE8sIyC6I3I
+LNuZhTlMYBbXlbgCdhzpnqgE+5J8ZvVr/0rMaKScZ2XFMKJm3a24ctOA6dPkdBWV
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+bSMLVSuCZZXND0JohtMp0JUuf7lL+nQrknOlbC0QpPluYCkvMmFF9Q==
+-----END RSA PRIVATE KEY-----

+ 142 - 0
www/css/app.css

@@ -0,0 +1,142 @@
+#chat-host ul {
+    margin: 0;
+    padding: 0;
+}
+
+#chat-host ul li {
+    list-style-type: none;
+}
+
+#chat-host input, #chat-host textarea, #chat-host button {
+    font-family: inherit;
+    font-size: inherit;
+    border: none;
+}
+
+#chat-host input, #chat-host textarea {
+    background-color: #ffffff;
+}
+
+#chat-host button {
+    cursor: pointer;
+}
+
+
+
+#chat-host {
+    position: fixed;
+    left: 0;
+    right: 0;
+    top: 0;
+    bottom: 0;
+
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    align-items: stretch;
+
+    padding: 1em;
+}
+
+#chat-host .login {
+    align-self: center;
+    display: flex;
+    flex-direction: column;
+}
+
+#chat-host .login .loginError {
+    margin-bottom: 2em;
+
+    font-weight: bold;
+    color: #ad2424;
+}
+
+#chat-host .login #chat-login-form {
+    display: flex;
+    flex-direction: column;
+}
+
+#chat-host .login #chat-login-form .inputWrapper {
+    display: flex;
+    margin: 0.5em;
+}
+
+#chat-host .login #chat-login-form .inputWrapper label {
+    width: 10em;
+    margin-right: 1em;
+}
+
+#chat-host .login #chat-login-form .inputWrapper input {
+    flex-grow: 1;
+}
+
+#chat-host .login #chat-login-form button {
+    margin-top: 2em;
+}
+
+#chat-host .main {
+    flex-grow: 1;
+    display: flex;
+    overflow: hidden;
+}
+
+#chat-host .messages, #chat-host .userlistWrapper {
+    padding: 0.3em;
+    flex-grow: 1;
+}
+
+#chat-host .messages {
+    flex-basis: 80%;
+    overflow: auto;
+}
+
+#chat-host .messages .systemMsg {
+    color: #666666;
+    font-size: 85%;
+    font-style: italic;
+}
+
+#chat-host .messages .userMsg {
+    display: flex;
+    align-items: baseline;
+}
+
+#chat-host .messages .userMsg .user {
+    margin-right: 0.3em;
+    font-weight: bold;
+}
+
+#chat-host .messages .userMsg .time {
+    margin-right: 0.3em;
+    font-size: 85%;
+    font-style: italic;
+}
+
+#chat-host .messages .userMsg .message {
+    white-space: pre-wrap;
+}
+
+#chat-host .userlistWrapper {
+    text-align: right;
+    flex-basis: 20%;
+    min-width: 8em;
+}
+
+#chat-host .userlistWrapper button {
+    width: 2em;
+    height: 2em;
+    padding: 0.3em;
+    margin-left: 0.5em;
+    border-radius: 50%;
+}
+
+#chat-host .messageForm {
+    display: flex;
+    margin-top: 1em;
+}
+
+#chat-host .messageForm textarea {
+    flex-grow: 1;
+    margin-right: 1em;
+    resize: none;
+}

+ 30 - 0
www/css/theme.css

@@ -0,0 +1,30 @@
+/* Theme */
+
+#chat-host {
+    background-color: #e2e2e2;
+    font-family: "Ubuntu", sans-serif;
+    font-size: 13px;
+}
+
+#chat-host .main .messages {
+    border: none;
+    margin-right: 1em;
+    background-color: #f8f8f8;
+}
+
+#chat-host .main .userlistWrapper {
+    border-left: 1px solid #d0d0d0;
+    padding-left: 1em;
+}
+
+#chat-host button {
+    background-color: #751b09;
+    color: #ffffff;
+    padding: 1em;
+}
+
+#chat-host h2 {
+    font-size: inherit;
+    text-transform: uppercase;
+    color: #4d4d4d;
+}

+ 76 - 0
www/index.html

@@ -0,0 +1,76 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <title>Chat</title>
+
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+
+    <link rel="stylesheet" type="text/css" href="css/app.css" />
+    <link rel="stylesheet" type="text/css" href="css/theme.css" />
+</head>
+
+<script src="/socket.io/socket.io.js" type="application/javascript"></script>
+<script src="https://code.jquery.com/jquery-1.11.1.js" type="application/javascript"></script>
+
+<script src="js/main.js" type="application/javascript"></script>
+
+    <body>
+        <div id="chat-host"></div>
+    </body>
+
+    <script id="chat-login-template" type="text/x-custom-template">
+        <div class="login">
+            <span class="loginError"></span>
+            <form id="chat-login-form" action="">
+                <div class="inputWrapper usernameWrapper">
+                    <label>Nickname:</label>
+                    <input class="username" autocomplete="off" />
+                </div>
+                <div class="inputWrapper passwordWrapper" style="display: none">
+                    <label>Passwort:</label>
+                    <input class="password" type="password" autocomplete="off" />
+                </div>
+                <button>Chat betreten</button>
+            </form>
+        </div>
+    </script>
+
+    <script id="chat-template" type="text/x-custom-template">
+        <div class="main">
+            <ul class="messages"></ul>
+            <div class="userlistWrapper">
+                <h2>Benutzer im Chat</h2>
+                <ul class="userlist"></ul>
+            </div>
+        </div>
+
+        <form class="messageForm" action="">
+            <textarea class="messageField" />
+            <button>Abschicken</button>
+        </form>
+    </script>
+
+    <script id="chat-admin-template" type="text/x-custom-template">
+        <div class="main">
+            <ul class="messages"></ul>
+            <div class="userlistWrapper">
+                <h2>Benutzer im Chat</h2>
+                <ul class="userlist"></ul>
+                <h2>Gesperrte IPs</h2>
+                <ul class="bannedlist"></ul>
+            </div>
+        </div>
+
+        <form class="messageForm" action="">
+            <textarea class="messageField" />
+            <button>Abschicken</button>
+        </form>
+    </script>
+
+    <script id="chat-kick-template" type="text/x-custom-template">
+        <div class="login">
+            <div class="loginError">Sie wurden aus dem Chat entfernt.</div>
+        </div>
+    </script>
+</html>

+ 206 - 0
www/js/main.js

@@ -0,0 +1,206 @@
+const socket = io();
+
+$(() => {
+    socket.on('serverHandshake', onServerHandshake);
+    socket.on('serverLogin', onServerLogin);
+    socket.on('serverKick', onServerKick);
+});
+
+function onServerHandshake() {
+    resetChatListeners();
+    resetLoginListeners();
+
+    var template = $('#chat-login-template').html();
+    $('#chat-host').empty();
+    $('#chat-host').append(template);
+
+    $('#chat-login-form').submit((e) => {
+        e.preventDefault();
+
+        console.debug('submit login form', e);
+
+        socket.emit('login', $('#chat-login-form .username').val(), $('#chat-login-form .password').val());
+
+        return false;
+    });
+
+    socket.on('usernameInvalid', () => {
+        $('#chat-login-form .username').focus();
+        $('#chat-host .loginError').text('Username invalid.');
+    });
+
+    socket.on('usernameTaken', () => {
+        $('#chat-login-form .username').focus();
+        $('#chat-host .loginError').text('Username already in use.');
+    });
+
+    socket.on('passwordRequired', () => {
+        $('#chat-login-form .passwordWrapper').css('display', '');
+        $('#chat-login-form .password').focus();
+        $('#chat-host .loginError').text('Für diesen reservierten Benutzer ist ein Passwort erforderlich.');
+    });
+
+    socket.on('passwordWrong', () => {
+        $('#chat-login-form .passwordWrapper').css('display', '');
+        $('#chat-login-form .password').focus();
+        $('#chat-host .loginError').text('Das eingegebene Passwort ist ungültig.');
+    });
+}
+
+function onServerLogin(user) {
+    resetChatListeners();
+    resetLoginListeners();
+
+    var template;
+    if (user.admin) {
+        template = $('#chat-admin-template').html()
+    } else {
+        template = $('#chat-template').html()
+    }
+
+    $('#chat-host').empty();
+    $('#chat-host').append(template);
+
+    $('#chat-host .messageField').focus();
+
+    socket.on('usersUpdated', (userList) => {
+        $('#chat-host .main .userlist').empty();
+
+        userList.sort((userA, userB) => userA.name.localeCompare(userB.name));
+        userList.sort((userA, userB) => {
+            if (userA.admin && !userB.admin) {
+                return Number.MIN_SAFE_INTEGER;
+            } else if (!userA.admin && userB.admin) {
+                return Number.MAX_SAFE_INTEGER;
+            }
+
+            return 0;
+        });
+
+        for (let listUser of userList) {
+            let userString = listUser.name;
+            if (listUser.admin) {
+                userString = '👑 ' + userString;
+            }
+
+            const userListEl = $('<li>');
+            userListEl.text(userString);
+            if (user.admin) {
+                const kickBtn = $('<button class="kickBtn">🥾</button>');
+                kickBtn.click(() => onKickUser(listUser));
+                userListEl.append(kickBtn);
+            }
+            $('#chat-host .main .userlist').append(userListEl);
+        }
+    });
+
+    if (user.admin) {
+        socket.on('bannedUpdated', (bannedList) => {
+            $('#chat-host .main .bannedlist').empty();
+
+            for (let bannedItem of bannedList) {
+                const bannedListEl = $('<li>');
+
+                bannedListEl.text(bannedItem.ip + ' (' + bannedItem.user.name + ')');
+
+                const removeBtn = $('<button class="removeBtn">✖</button>');
+                removeBtn.click(() => onLiftBan(bannedItem.ip));
+                bannedListEl.append(removeBtn);
+
+                $('#chat-host .main .bannedlist').append(bannedListEl);
+            }
+        });
+    }
+
+    socket.on('message', (msg, user, timestamp) => {
+        const messageWrapper = $('<li class="userMsg">');
+
+        const timeEl = $('<span class="time">');
+        timeEl.text(new Date(timestamp).toLocaleTimeString());
+        timeEl.prop('title', new Date(timestamp).toLocaleString());
+        messageWrapper.append(timeEl);
+
+        const userEl = $('<span class="user">');
+        let userString = user.name + ':';
+        if (user.admin) {
+            userString = '👑 ' + userString;
+        }
+        userEl.text(userString);
+        messageWrapper.append(userEl);
+
+        const messageEl = $('<span class="message">');
+        messageEl.text(msg)
+        messageWrapper.append(messageEl);
+
+        appendMessage(messageWrapper);
+    });
+
+    socket.on('userJoined', (msg) => {
+        appendMessage($('<li class="systemMsg user joined">').text(msg + ' hat den Chat betreten.'));
+    });
+
+    socket.on('userLeft', (msg) => {
+        appendMessage($('<li class="systemMsg user left">').text(msg + ' hat den Chat verlassen.'));
+    });
+
+    $('#chat-host .messageForm').submit((e) => {
+        e.preventDefault();
+        socket.emit('message', $('#chat-host .messageForm .messageField').val());
+        $('#chat-host .messageForm .messageField').val('');
+        $('#chat-host .messageForm .messageField').focus();
+        return false;
+    });
+
+    $("#chat-host .messageField").keypress((e) => {
+        if(e.key == 'Enter' && !e.shiftKey) {
+            e.preventDefault();
+            $('#chat-host .messageForm').submit();
+            return false;
+        }
+    });
+}
+
+function onServerKick() {
+    resetChatListeners();
+    resetLoginListeners();
+
+    var template = $('#chat-kick-template').html();
+    $('#chat-host').empty();
+    $('#chat-host').append(template);
+}
+
+function resetChatListeners() {
+    socket.removeAllListeners('usersUpdated');
+    socket.removeAllListeners('message');
+    socket.removeAllListeners('userJoined');
+    socket.removeAllListeners('userLeft');
+}
+
+function resetLoginListeners() {
+    socket.removeAllListeners('usernameInvalid');
+    socket.removeAllListeners('usernameTaken');
+    socket.removeAllListeners('passwordRequired');
+    socket.removeAllListeners('passwordWrong');
+}
+
+function appendMessage(element) {
+    const messagesListEl = $('#chat-host .main .messages')[0];
+    const scrollMax = messagesListEl.scrollHeight - messagesListEl.clientHeight;
+    const scrolled = messagesListEl.scrollTop != scrollMax;
+
+    $('#chat-host .main .messages').append(element);
+
+    if (!scrolled) {
+        messagesListEl.scrollTop = messagesListEl.scrollHeight - messagesListEl.clientHeight;
+    }
+}
+
+function onKickUser(user) {
+    if (confirm('Möchten Sie den Benutzer "' + user.name + '" wirklich bannen?\nDies wird sich auf alle Benutzer mit der gleichen IP-Adresse auswirken.')) {
+        socket.emit('requestKick', user);
+    }
+}
+
+function onLiftBan(ip) {
+    socket.emit('requestLiftBan', ip);
+}