better client for friends

I forgot one thing
update README
2026-07-24 10:18:30 +10:00 · 2026-07-24 09:05:33 +10:00 · 2026-07-24 08:39:28 +10:00 · 2026-07-23 14:31:13 +10:00 · 2026-07-22 17:34:07 +10:00 · 2026-07-22 17:15:05 +10:00
17 changed files with 27213 additions and 41 deletions
--- a/README.md
+++ b/README.md
@@ -6,6 +6,8 @@ Features:

 - Username/password access (passwords secured by bcrypt2)
 - Markdown rendering
+- User profile pages
+- Friends (direct messages system) (WIP)

 ## Building

@@ -24,3 +26,18 @@ meson compile -C builddir
 # run with
 ./builddir/chookchat
 ```
+
+## Credits
+
+The server uses the following libraries:
+
+- [cpp-httplib](https://github.com/yhirose/cpp-httplib) for the web server 
+- [Maddy](https://github.com/progsource/maddy) for the Markdown processor
+- [Bcrypt.cpp](https://github.com/hilch/Bcrypt.cpp) for password hashing/salting
+- [JSON for Modern C++](https://github.com/nlohmann/json) for JSON processing
+- [bin2cpp](https://github.com/end2endzone/bin2cpp) for packing site files into the binary
+
+The following people have contributed to the project:
+
+- [SpookyDervish](https://chookspace.com/SpookyDervish) for client navbar and notification sound
+- [reallynniroprobably](https://chookspace.com/reallynniroprobably) for error message
--- a/build.sh
+++ b/build.sh
@@ -5,7 +5,16 @@ mkdir -p server/src/generated
 bin2cpp --file=client/header_top.html    --output=server/src/generated
 bin2cpp --file=client/header_bottom.html --output=server/src/generated

-bin2cpp --file=client/footer.html --output=server/src/generated
-bin2cpp --file=client/e404.html   --output=server/src/generated
-bin2cpp --file=client/style.css   --output=server/src/generated
-bin2cpp --file=client/script.js   --output=server/src/generated
+bin2cpp --file=client/footer.html    --output=server/src/generated
+bin2cpp --file=client/login.html     --output=server/src/generated
+bin2cpp --file=client/settings.html  --output=server/src/generated
+bin2cpp --file=client/friends.html   --output=server/src/generated
+bin2cpp --file=client/e404.html      --output=server/src/generated
+
+bin2cpp --file=client/style.css         --output=server/src/generated
+bin2cpp --file=client/style_friends.css --output=server/src/generated
+
+bin2cpp --file=client/script.js         --output=server/src/generated
+bin2cpp --file=client/script_friends.js --output=server/src/generated
+
+bin2cpp --file=client/notify.opus --output=server/src/generated
--- a/client/friends.html
+++ b/client/friends.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>friends</title>
+        <link rel="stylesheet" type="text/css" href="/style.css">
+        <link rel="stylesheet" type="text/css" href="/style_friends.css">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
+        <script src="/script.js"></script>
+        <script src="/script_friends.js"></script>
+    </head>
+    <body>
+        <nav>
+            <div id="brand">
+                <h2><a href="/">chookchat</a></h2>
+            </div>
+
+            <ul>
+                <li><a id="loginLink" href="/login">login</a></li>
+                <li><a href="/friends">friends</a></li>
+                <li><a href="/settings">settings</a></li>
+            </ul>
+        </nav>
+        <div id="friends">
+            <div id="friends-list">
+                <div id="friends-header">
+                    <h1>friends</h1>
+                </div>
+                <div id="friends-list-links">
+                    <!-- List of friends inserted here -->
+                </div>
+            </div>
+            <div id="friends-messenger">
+                <div id="friends-messages">
+                    <!-- List of messages inserted here -->
+                </div>
+                <div id="friends-message-box">
+                    <textarea id="friends-textarea"></textarea>
+                    <button onclick="sendMessage()">Send</button>
+                </div>
+            </div>
+        </div>
+    </body>
+</html>
--- a/client/header_bottom.html
+++ b/client/header_bottom.html
@@ -6,13 +6,14 @@
            </div>

            <ul>
-                <li><a href="/">home</a></li>
-                <li><a href="/login">login</a></li>
+                <li><a id="loginLink" href="/login">login</a></li>
+                <li><a href="/friends">friends</a></li>
+                <li><a href="/settings">settings</a></li>
            </ul>
        </nav>

-        <div class="postbox">
-            <form action="/make_post" method="post">
+        <div class="postbox" id="postbox">
+            <form id="postbox-form" action="/make_post" method="post">
                <div>
                    <label for="username">Username:</label>
                    <input name="username" id="username" />
@@ -35,6 +36,3 @@
            </form>
        </div>
        <div id="posts">
-            <div id="posts-header">
-                <h1>posts</h1>
-            </div>
--- a/client/login.html
+++ b/client/login.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>login</title>
+        <link rel="stylesheet" type="text/css" href="/style.css">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
+        <script src="/script.js"></script>
+    </head>
+    <body>
+        <nav>
+            <div id="brand">
+                <h2><a href="/">chookchat</a></h2>
+            </div>
+
+            <ul>
+                <li><a id="loginLink" href="/login">login</a></li>
+                <li><a href="/friends">friends</a></li>
+                <li><a href="/settings">settings</a></li>
+            </ul>
+        </nav>
+        <div class="login" id="posts">
+            <h1>login</h1>
+            <p>if you haven't registered, enter a username that doesn't exist and hit 'register'</p>
+            <label for="username">Username:</label>
+            <input name="username" id="username"></input>
+            <br>
+            <label for="password">Password:</label>
+            <input type="password" name="password" id="password"></input>
+            <br>
+            <button onclick="login()">Log In</button>
+            <button onclick="register()">Register</button>
+        </div>
+    </body>
+</html>
--- a/client/notify.opus
+++ b/client/notify.opus
--- a/client/script.js
+++ b/client/script.js
@@ -1,10 +1,5 @@
 async function like(id) {
-    const usernameBox = document.getElementById('username');
-    const passwordBox = document.getElementById('password');
-
    const formData = new FormData();
-    formData.append('username', usernameBox.value);
-    formData.append('password', passwordBox.value);
    formData.append('post', id);

    const result = await fetch('/like', {
@@ -12,7 +7,224 @@ async function like(id) {
        body: formData
    });

+    if (result.status === 401) {
+        window.location.href = "/login";
+        return;
+    }
+
    if (result.status < 200 || result.status >= 400) {
        alert("your post didnt get the like because the server thought your opinion was invalid");
+        return;
    }
 }
+
+async function post() {
+    const postbox = document.getElementById('newpost');
+
+    const formData = new FormData();
+    formData.append('post', postbox.value);
+
+    const result = await fetch('/post', {
+        method: 'POST',
+        body: formData
+    });
+
+    if (result.status < 200 || result.status >= 400) {
+        alert("you have been silenced by the server and your post did not go through");
+        return;
+    }
+
+    window.location.href = "/";
+}
+
+async function register() {
+    const usernameBox = document.getElementById('username');
+    const passwordBox = document.getElementById('password');
+
+    const formData = new FormData();
+    formData.append('username', usernameBox.value);
+    formData.append('password', passwordBox.value);
+
+    const result = await fetch('/register', {
+        method: 'POST',
+        body: formData
+    });
+
+    if (result.status < 200 || result.status >= 400) {
+        alert(await result.text());
+        return;
+    }
+
+    window.location.href = "/";
+
+}
+
+async function login() {
+    const usernameBox = document.getElementById('username');
+    const passwordBox = document.getElementById('password');
+
+    const formData = new FormData();
+    formData.append('username', usernameBox.value);
+    formData.append('password', passwordBox.value);
+
+
+    const result = await fetch('/login', {
+        method: 'POST',
+        body: formData
+    });
+
+    if (result.status < 200 || result.status >= 400) {
+        alert("for some reason the server hates you and didn't let you log into your account");
+        return;
+    }
+
+    window.location.href = "/";
+}
+
+async function checkLoginStatus() {
+    const result = await fetch('/me');
+
+    if (result.headers.get('X-Logged-In') !== 'true') {
+        return {
+            username: "",
+            bio: ""
+        };
+    }
+
+    const obj = {
+        username: result.headers.get('X-Username'),
+        bio: result.headers.get('X-Bio')
+    };
+    return obj;
+}
+document.addEventListener('DOMContentLoaded', async function() {
+    if (window.fetch) {
+        const userStatus = await checkLoginStatus();
+
+        // update nav link / redirect regardless of whether a postbox exists
+        const loginLink = document.getElementById("loginLink");
+        if (userStatus.username === "") {
+            if (window.location.pathname === "/settings" || window.location.pathname === "/friends") {
+                window.location.href = "/login";
+                return;
+            }
+        } else if (loginLink) {
+            loginLink.textContent = "hello, " + userStatus.username + "!";
+            loginLink.href = "/profile/" + userStatus.username;
+        }
+
+        if (userStatus.username !== "" && window.location.pathname === "/settings") {
+            // fill bio box with the bio 
+            const textarea = document.getElementById("change-bio");
+            textarea.value = userStatus.bio;
+        }
+
+        const postbox = document.getElementById("postbox");
+        if (!postbox) {
+            return;
+        }
+
+        // postbox-specific setup stays here
+        if (userStatus.username === "") {
+            const newElement = document.createElement("p");
+            newElement.textContent = "Welcome to Chookchat!\nTo get posting, click 'login' to log in or create an account.\nEnjoy your stay!";
+            postbox.appendChild(newElement);
+        } else {
+            const helperText = document.createElement("p");
+            helperText.textContent = "You're posting as " + userStatus.username;
+            postbox.appendChild(helperText);
+
+            const textArea = document.createElement("textarea");
+            textArea.id = "newpost";
+            postbox.appendChild(textArea);
+
+            const postButton = document.createElement("button");
+            postButton.textContent = "Post";
+            postButton.id = "postbutton";
+            postButton.onclick = post;
+            postbox.appendChild(postButton);
+        }
+
+        const form = document.getElementById("postbox-form");
+        if (!form) {
+            return;
+        }
+        form.style.display = 'none';
+    }
+});
+
+async function settingsChangePassword() {
+    const oldpassword = document.getElementById("change-password-oldpassword");
+    const newpassword = document.getElementById("change-password");
+
+    const formData = new FormData();
+    formData.append('oldpassword', oldpassword.value);
+    formData.append('newpassword', newpassword.value);
+
+    const result = await fetch('/settings/changePassword', {
+        method: "POST",
+        body: formData
+    });
+
+    if (result.status < 200 || result.status >= 400) {
+        alert("for whatever reason your password wasn't changed");
+    } else {
+        alert("your password was changed!");
+    }
+}
+
+async function settingsChangeUsername() {
+    const password = document.getElementById("change-username-password");
+    const newusername = document.getElementById("change-username");
+
+    const formData = new FormData();
+    formData.append('password', password.value);
+    formData.append('newusername', newusername.value);
+
+    const result = await fetch('/settings/changeUsername', {
+        method: "POST",
+        body: formData
+    });
+
+    if (result.status < 200 || result.status >= 400) {
+        alert("for whatever reason your username wasn't changed");
+    } else {
+        alert("your username was changed!");
+    }
+}
+
+async function settingsChangeBio() {
+    const bio = document.getElementById("change-bio");
+
+    const formData = new FormData();
+    formData.append('bio', bio.value);
+
+    const result = await fetch('/settings/changeBio', {
+        method: "POST",
+        body: formData
+    });
+
+    if (result.status < 200 || result.status >= 400) {
+        alert("for whatever reason your bio wasn't changed");
+    } else {
+        alert("your bio was changed!");
+    }
+
+}
+
+async function invalidateAllSessions() {
+    const formData = new FormData();
+    formData.append('a', 'a');
+
+    const result = await fetch('/settings/invalidateAllSessions', {
+        method: "POST",
+        body: formData
+    });
+
+    if (result.status < 200 || result.status >= 400) {
+        alert("for whatever reason your sessions weren't invalidated");
+    } else {
+        alert("your sessions were invalidated!");
+    }
+
+}
--- a/client/script_friends.js
+++ b/client/script_friends.js
@@ -0,0 +1,289 @@
+class Message {
+    sender = 0;
+    content = "";
+
+    constructor(sender, content) {
+        this.sender = sender;
+        this.content = content;
+    }
+}
+
+// websocket connection
+/** @type {WebSocket} */
+let socket;
+
+// array of userId's
+/** @type {Array<number>} */
+let connectedFriends = [];
+
+// map of userId's to arrays of Message objects
+/** @type {Map<number, Array<Message>>} */
+let recievedMessages = new Map();
+
+// map of userId's to usernames
+/** @type {Map<number, string>} */
+let usernames = new Map();
+
+// map of userId's to how many unread messages there are
+/** @type {Map<number, number>} */
+let unreads = new Map();
+
+// userId of the current user who is being talked to
+let currentUser = 0;
+
+// userId of the logged-in user (this client). Fetched from /me on load.
+// /me responds with headers X-Logged-In, X-Username, X-Bio, X-User-ID
+// (no body), so we read the id back out of the response headers.
+let selfId = 0;
+
+// notification sound, loaded after ws initialization
+let sound;
+
+async function fetchSelfId() {
+    try {
+        const res = await fetch("/me");
+        if (!res.ok) {
+            console.error("Failed to fetch /me:", res.status);
+            return;
+        }
+        const loggedIn = res.headers.get("X-Logged-In");
+        if (loggedIn !== "true") {
+            console.log("Not logged in");
+            return;
+        }
+        const idHeader = res.headers.get("X-User-ID");
+        selfId = parseInt(idHeader, 10);
+    } catch (err) {
+        console.error("Error fetching /me:", err);
+    }
+}
+
+/** 
+ * @param {number} id 
+ * @returns {string}
+ */
+async function fetchUsername(id) {
+    try {
+        const res = await fetch("/userinfo/" + id);
+        if (!res.ok) {
+            console.error("Failed to fetch /userinfo/" + id + " :", res.status, await res.text());
+            return;
+        }
+        const usernameHeader = res.headers.get("X-Username");
+        usernames.set(id, usernameHeader);
+        return usernameHeader;
+    } catch (err) {
+        console.error("Error fetching /me:", err);
+    }
+}
+
+/**
+ * 
+ * @param {number} id
+ * @returns {Array<Message>} 
+ */
+async function getMessageHistory(id) {
+    try {
+        const res = await fetch("/friends/chatHistory/" + id);
+        if (!res.ok) {
+            console.error("Failed to fetch /friends/chatHistory/" + id + " :", res.status, await res.text());
+            return [];
+        }
+        const json = await res.json();
+        // the server wraps the array in { "messages": [...] }, not a bare array
+        return json.messages.map(m => new Message(m.sender, m.content));
+    } catch (err) {
+        console.error("Error fetching /me:", err);
+        return [];
+    }
+}
+
+
+document.addEventListener('DOMContentLoaded', function() {
+    fetchSelfId();
+
+    if (typeof Notification !== "undefined") {
+        Notification.requestPermission();
+    }
+
+    // create a websocket
+    socket = new WebSocket("wss://" + document.location.hostname + ":" + document.location.port + "/friends/ws");
+
+    socket.onopen = function() {
+        console.log("connected to server!");
+        setInterval(() => { // ping the server every 5 seconds
+            if (socket.readyState === WebSocket.OPEN) {
+                socket.send(JSON.stringify({ type: 3, userId: 0 }));
+            }
+        }, 5000);
+    };
+
+    socket.onmessage = async function(event) {
+        console.log("recieved data", event.data);
+        const data = JSON.parse(event.data);
+        switch (data.type) {
+            case "ok": {
+                console.log("Server is ok");
+                break;
+            }
+            case "error": {
+                console.error("Server sent an error:", data.content);
+                break;
+            }
+            case "message": {
+                console.log("message from", data.userId, ":", data.content);
+                // update the messages variable
+                if (recievedMessages.get(data.userId) === undefined) {
+                    // get previously recieved messages
+                    recievedMessages.set(data.userId, await getMessageHistory(data.userId));
+                }
+                recievedMessages.get(data.userId).push(new Message(data.userId, data.content));
+                if (currentUser === data.userId) {
+                    updateMessages();
+                }
+                // send a notification to the user
+                if (document.hidden || currentUser != data.userId) {
+                    if (Notification !== undefined) {
+                        new Notification(usernames.get(data.userId), {body: data.content});
+                    }
+                    if (audio !== undefined) {
+                        audio.play();
+                    }
+                    const currentUnreads = unreads.get(data.userId);
+                    if (currentUnreads === undefined) {
+                        unreads.set(data.userId, 1);
+                    } else {
+                        unreads.set(data.userId, currentUnreads + 1);
+                    }
+                    updateOnlineUsers();
+                }
+                break;
+            }
+            case "users": {
+                console.log("updating user list");
+                connectedFriends = data.content;
+                updateOnlineUsers();
+                break;
+            }
+        }
+    }
+
+    socket.onerror = function(error) {
+        console.log(error);
+        alert("There was an error with the socket! Check console logs for details. Refresh the page to reconnect");
+        socket.close();
+    }
+
+    socket.onclose = function(event) {
+        console.log("disconnected from server");
+    }
+
+    audio = new Audio();
+    audio.preload = "auto";
+    audio.src = "/notify.opus";
+    document.body.appendChild(audio);
+
+});
+
+async function updateOnlineUsers() {
+    const friendsList = document.getElementById("friends-list-links");
+    friendsList.innerHTML = "";
+
+    // Get everyone's username
+    for (const user of connectedFriends) {
+        if (usernames.get(user) === undefined) {
+            await fetchUsername(user);
+        }
+    }
+
+    for (const user of connectedFriends) {
+        const newElement = document.createElement("p");
+        const userUnreads = unreads.get(user);
+        if (userUnreads !== undefined) {
+            newElement.textContent = "[" + userUnreads + "] "; 
+        } else {
+            newElement.textContent = "";
+        }
+        newElement.textContent += usernames.get(user);
+        newElement.onclick = function() {
+            openUser(user);
+        }
+        friendsList.appendChild(newElement);
+    }
+}
+
+/** @param {Message} message */
+function renderMessage(message) {
+    const messagesList = document.getElementById("friends-messages");
+    const newElement = document.createElement("p");
+    const who = message.sender === selfId ? "You" : usernames.get(message.sender);
+    newElement.textContent = who + ": " + message.content;
+    messagesList.appendChild(newElement);
+    messagesList.scrollTop = messagesList.scrollHeight;
+}
+
+function updateMessages() {
+    const messages = recievedMessages.get(currentUser);
+    if (messages === undefined || messages.length === 0) {
+        return;
+    }
+    const message = messages[messages.length - 1];
+    renderMessage(message);
+}
+
+/** @param {number} user */
+async function openUser(user) {
+    currentUser = user;
+
+    const messagesList = document.getElementById("friends-messages");
+    messagesList.innerHTML = "";
+
+    if (recievedMessages.get(user) === undefined) {
+        recievedMessages.set(user, await getMessageHistory(user));
+    }
+
+    // another openUser() call may have run while we were awaiting, and
+    // switched the user again - bail out if we're no longer viewing this one
+    if (currentUser !== user) {
+        return;
+    }
+
+    const messages = recievedMessages.get(user);
+    for (const message of messages) {
+        renderMessage(message);
+    }
+
+    unreads.delete(user);
+    updateOnlineUsers();
+}
+
+function sendMessage() {
+    if (currentUser === 0) {
+        alert("Select a friend to message first");
+        return;
+    }
+
+    const textarea = document.getElementById("friends-textarea");
+    const content = textarea.value.trim();
+    if (content === "") {
+        return;
+    }
+
+    if (socket.readyState !== WebSocket.OPEN) {
+        alert("Not connected to the server. Refresh the page and try again.");
+        return;
+    }
+
+    socket.send(JSON.stringify({ type: 0, userId: currentUser, content: content }));
+
+    // optimistically show the message locally, since the server only
+    // relays messages between the two other parties, not back to the sender
+    if (recievedMessages.get(currentUser) === undefined) {
+        recievedMessages.set(currentUser, []);
+    }
+    const sentMessage = new Message(selfId, content);
+    recievedMessages.get(currentUser).push(sentMessage);
+    renderMessage(sentMessage);
+
+    textarea.value = "";
+}
--- a/client/settings.html
+++ b/client/settings.html
@@ -0,0 +1,62 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>settings</title>
+        <link rel="stylesheet" type="text/css" href="/style.css">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
+        <script src="/script.js"></script>
+    </head>
+    <body>
+        <nav>
+            <div id="brand">
+                <h2><a href="/">chookchat</a></h2>
+            </div>
+
+            <ul>
+                <li><a id="loginLink" href="/login">login</a></li>
+                <li><a href="/friends">friends</a></li>
+                <li><a href="/settings">settings</a></li>
+            </ul>
+        </nav>
+        <div id="posts">
+            <div id="posts-header">
+                <h1>settings</h1>
+            </div>
+            <div id="password-settings">
+                <h3>password</h3>
+                <p>Enter a new password in the box, and click 'change password' to set a new password</p>
+                <label for="change-password-oldpassword">Old password:</label>
+                <input id="change-password-oldpassword" type="password"></input>
+                <br>
+                <label for="change-password">New password:</label>
+                <input id="change-password" type="password"></input>
+                <br>
+                <button onclick="settingsChangePassword()">Change Password</button>
+            </div>
+            <div id="invalidate-sessions">
+                <h3>invalidate sessions</h3>
+                <p>this button will invalidate all your sessions, and you will have to log in again on all your devices.</p>
+                <button onclick="invalidateAllSessions()">Invalidate All Sessions</button>
+            </div>
+            <div id="username-settings">
+                <h3>username</h3>
+                <p>Enter a new username in the box, and click 'set username' to set a new username</p>
+                <p>Note: any links to your profile will break! However, any links to your posts will remain.</p>
+                <label for="change-username">New username:</label>
+                <input id="change-username"></input>
+                <br>
+                <label for="change-username-password">Password:</label>
+                <input id="change-username-password" type="password"></input>
+                <br>
+                <button onclick="settingsChangeUsername()">Change Username</button>
+            </div>
+            <div id="bio-settings">
+                <h3>bio</h3>
+                <p>set a new bio here!</p>
+                <textarea id="change-bio"></textarea>
+                <br>
+                <button onclick="settingsChangeBio()">Change Bio</button>
+            </div>
+        </div>
+    </body>
+</html>
--- a/client/style.css
+++ b/client/style.css
@@ -61,6 +61,11 @@ img {
    display: flex;
    gap: 5px;
 }
+ 
+a {
+    color: lime;
+    text-decoration: underline;
+}

 nav {
    background: rgb(25, 25, 25);
@@ -98,3 +103,4 @@ nav {
        font-size: 16px;
    }
 }
+
--- a/client/style_friends.css
+++ b/client/style_friends.css
@@ -0,0 +1,113 @@
+#friends {
+    display: flex;
+    height: calc(100vh - 60px);
+    overflow: hidden;
+}
+
+#friends-list {
+    width: 280px;
+    min-width: 280px;
+    border-right: 1px solid lime;
+    display: flex;
+    flex-direction: column;
+    overflow: hidden;
+}
+
+#friends-header {
+    padding: 16px;
+    border-bottom: 1px solid lime;
+}
+
+#friends-header h1 {
+    margin: 0;
+    font-size: 1.3rem;
+    text-transform: uppercase;
+    letter-spacing: 2px;
+}
+
+#friends-list-links {
+    flex: 1;
+    overflow-y: auto;
+    padding: 8px 0;
+}
+
+#friends-list-links p {
+    margin: 0;
+    padding: 10px 16px;
+    cursor: pointer;
+    border-left: 2px solid transparent;
+    transition: background-color 0.15s, border-color 0.15s;
+}
+
+#friends-list-links p:hover {
+    background-color: rgba(0, 255, 0, 0.1);
+    border-left-color: lime;
+}
+
+#friends-messenger {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    overflow: hidden;
+}
+
+#friends-messages {
+    flex: 1;
+    overflow-y: auto;
+    padding: 16px;
+    display: flex;
+    flex-direction: column;
+    gap: 6px;
+}
+
+#friends-messages p {
+    margin: 0;
+    padding: 4px 0;
+    word-wrap: break-word;
+}
+
+#friends-messages p:empty {
+    display: none;
+}
+
+#friends-message-box {
+    position: static;
+    width: 100%;
+    display: flex;
+    gap: 8px;
+    padding: 12px 16px;
+    border-top: 1px solid lime;
+    box-sizing: border-box;
+}
+
+#friends-message-box textarea {
+    flex: 1;
+    resize: none;
+    height: 40px;
+    padding: 8px;
+    box-sizing: border-box;
+}
+
+#friends-message-box button {
+    padding: 0 20px;
+    white-space: nowrap;
+}
+
+@media (max-width: 600px) {
+    #friends {
+        flex-direction: column;
+    }
+
+    #friends-list {
+        width: 100%;
+        min-width: unset;
+        max-height: 200px;
+        border-right: none;
+        border-bottom: 1px solid lime;
+    }
+
+    #friends-message-box {
+        position: static;
+        width: 100%;
+    }
+}
--- a/server/meson.build
+++ b/server/meson.build
@@ -8,8 +8,14 @@ sources = [
    'src/generated/header_top.cpp',
    'src/generated/header_bottom.cpp',
    'src/generated/footer.cpp',
+    'src/generated/login.cpp',
+    'src/generated/settings.cpp',
+    'src/generated/friends.cpp',
+    'src/generated/script_friends.cpp',
    'src/generated/style.cpp',
+    'src/generated/style_friends.cpp',
    'src/generated/script.cpp',
+    'src/generated/notify.cpp',

    # bcrypt
    'src/bcrypt/bcrypt.cpp',
--- a/server/src/db.cpp
+++ b/server/src/db.cpp
@@ -1,8 +1,32 @@
 #include "db.h"
+#include <cstdint>
+#include <iomanip>
 #include <iostream>
+#include <fstream>
+#include <ostream>
 #include <sqlite3.h>
 #include <stdexcept>
 #include <sstream>
+#include <ctime>
+
+std::string generateSecureToken(size_t numBytes) {
+    std::ifstream urandom("/dev/urandom", std::ios::binary);
+    if (!urandom) {
+        throw std::runtime_error("couldn't open /dev/urandom");
+    }
+
+    std::vector<unsigned char> buf(numBytes);
+    urandom.read(reinterpret_cast<char*>(buf.data()), numBytes);
+    if (!urandom) {
+        throw std::runtime_error("short read from /dev/urandom");
+    }
+ 
+    std::stringstream ss;
+    for (unsigned char b : buf) {
+        ss << std::hex << std::setw(2) << std::setfill('0') << static_cast<int>(b);
+    }
+    return ss.str();
+}

 Database::Database(const std::string& path) {
    // init db
@@ -15,7 +39,8 @@ Database::Database(const std::string& path) {
        CREATE TABLE IF NOT EXISTS users (
            id INTEGER PRIMARY KEY,
            name TEXT NOT NULL,
-            password TEXT NOT NULL
+            password TEXT NOT NULL,
+            bio TEXT
        );

        CREATE TABLE IF NOT EXISTS posts (
@@ -25,6 +50,25 @@ Database::Database(const std::string& path) {
            timestamp INTEGER NOT NULL,
            likes INTEGER NOT NULL DEFAULT 0
        );
+
+        CREATE TABLE IF NOT EXISTS sessions (
+            token TEXT PRIMARY KEY,
+            userid INTEGER NOT NULL,
+            expiry INTEGER NOT NULL
+        );
+
+        CREATE TABLE IF NOT EXISTS likes (
+            postid INTEGER NOT NULL,
+            userid INTEGER NOT NULL
+        );
+
+        CREATE TABLE IF NOT EXISTS messages (
+            id INTEGER PRIMARY KEY,
+            senderid INTEGER NOT NULL,
+            recieverid INTEGER NOT NULL,
+            timestamp INTEGER NOT NULL,
+            text TEXT NOT NULL
+        );
    )";

    char* errmsg = nullptr;
@@ -72,7 +116,7 @@ std::optional<Post> Database::getPost(uint64_t id) {

 std::vector<Post> Database::getUserPosts(uint64_t userId) {
    std::stringstream sql; 
-    sql << "SELECT * FROM posts WHERE userid = " << userId << ";";
+    sql << "SELECT * FROM posts WHERE userid = " << userId << " ORDER BY timestamp DESC LIMIT 100;";
    std::string sqlstr = sql.str();
    
    sqlite3_stmt* stmt;
@@ -155,13 +199,9 @@ void Database::addPost(const Post& post) {
 }

 void Database::addLike(uint64_t postId, uint64_t userId) {
+    // check if the post has already been liked
    std::stringstream sql;
-    sql << R"(
-        UPDATE posts 
-        SET likes = COALESCE(likes, 0) + 1
-        WHERE id =
-    )";
-    sql << postId << ";";
+    sql << "SELECT * FROM likes WHERE postid = " << postId << " AND userId = " << userId << ";";
    std::string sqlstr = sql.str();

    sqlite3_stmt* stmt;
@@ -170,11 +210,66 @@ void Database::addLike(uint64_t postId, uint64_t userId) {
    }

    if (sqlite3_step(stmt) != SQLITE_DONE) {
-        throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
-    }
+        // the user has UNLIKED something??? impossible
+        sqlite3_finalize(stmt);
+        // get rid of their like, how sad
+        sql.str("");
+        sql.clear();
+        sql << "UPDATE posts SET likes = COALESCE(likes, 1) - 1 WHERE id = " << postId << ";";
+        sqlstr = sql.str();

+        if (sqlite3_prepare_v2(db, sqlstr.c_str(), -1, &stmt, nullptr) != SQLITE_OK) {
+            throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+        }
+        if (sqlite3_step(stmt) != SQLITE_DONE) {
+            throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+        }
+        sqlite3_finalize(stmt);
+
+        // remove like from the likes table :(
+        sql.str("");
+        sql.clear();
+        sql << "DELETE FROM likes WHERE postid = " << postId << " AND userid = " << userId << ";";
+        sqlstr = sql.str();
+
+        if (sqlite3_prepare_v2(db, sqlstr.c_str(), -1, &stmt, nullptr) != SQLITE_OK) {
+            throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+        }
+        if (sqlite3_step(stmt) != SQLITE_DONE) {
+            throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+        }
+        sqlite3_finalize(stmt);
+        return;
+    }
    sqlite3_finalize(stmt);

+    // add like to the post
+    sql.str("");
+    sql.clear();
+    sql << "UPDATE posts SET likes = COALESCE(likes, 0) + 1 WHERE id = " << postId << ";";
+    sqlstr = sql.str();
+
+    if (sqlite3_prepare_v2(db, sqlstr.c_str(), -1, &stmt, nullptr) != SQLITE_OK) {
+        throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+    }
+    if (sqlite3_step(stmt) != SQLITE_DONE) {
+        throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+    }
+    sqlite3_finalize(stmt);
+
+    // add like to the likes table
+    sql.str("");
+    sql.clear();
+    sql << "INSERT INTO likes (postid, userid) VALUES (" << postId << ", " << userId << ");";
+    sqlstr = sql.str();
+
+    if (sqlite3_prepare_v2(db, sqlstr.c_str(), -1, &stmt, nullptr) != SQLITE_OK) {
+        throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+    }
+    if (sqlite3_step(stmt) != SQLITE_DONE) {
+        throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+    }
+    sqlite3_finalize(stmt);
 }


@@ -198,10 +293,17 @@ std::optional<User> Database::getUser(uint64_t id) {

    std::string name{reinterpret_cast<const char*>(sqlite3_column_text(stmt, 1))};
    std::string password{reinterpret_cast<const char*>(sqlite3_column_text(stmt, 2))};
+    const char* bioText = reinterpret_cast<const char*>(sqlite3_column_text(stmt, 3));
+    std::string bio;
+    if (bioText == NULL) {
+        bio = "";
+    } else {
+        bio = std::string(bioText);
+    }

    sqlite3_finalize(stmt);

-    return User(id, name, password);
+    return User(id, name, password, bio);
 }

 std::optional<User> Database::getUserByName(const std::string& name) {
@@ -222,9 +324,71 @@ std::optional<User> Database::getUserByName(const std::string& name) {

    uint64_t id = sqlite3_column_int64(stmt, 0);
    std::string password{reinterpret_cast<const char*>(sqlite3_column_text(stmt, 2))};
+    const char* bioText = reinterpret_cast<const char*>(sqlite3_column_text(stmt, 3));
+    std::string bio;
+    if (bioText == NULL) {
+        bio = "";
+    } else {
+        bio = std::string(bioText);
+    }

    sqlite3_finalize(stmt);
-    return User(id, name, password);
+    return User(id, name, password, bio);
+}
+
+std::optional<std::string> Database::createNewToken(uint64_t id) {
+    std::string token = generateSecureToken(32);
+    int64_t expiry = static_cast<int64_t>(std::time(nullptr)) + 60 * 60 * 24 * 30; // 30 days
+ 
+    const char* sql = R"(
+        INSERT INTO sessions (token, userid, expiry)
+        VALUES (?, ?, ?);
+    )";
+    sqlite3_stmt* stmt;
+    if (sqlite3_prepare_v2(db, sql, -1, &stmt, nullptr) != SQLITE_OK) {
+        throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+    }
+ 
+    sqlite3_bind_text(stmt, 1, token.c_str(), -1, SQLITE_STATIC);
+    sqlite3_bind_int64(stmt, 2, id);
+    sqlite3_bind_int64(stmt, 3, expiry);
+ 
+    if (sqlite3_step(stmt) != SQLITE_DONE) {
+        sqlite3_finalize(stmt);
+        throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+    }
+ 
+    sqlite3_finalize(stmt);
+    return token;
+}
+
+std::optional<User> Database::getUserByToken(const std::string& token) {
+    const char* sql = "SELECT userid, expiry FROM sessions WHERE token = ?;";
+ 
+    sqlite3_stmt* stmt;
+    if (sqlite3_prepare_v2(db, sql, -1, &stmt, nullptr) != SQLITE_OK) {
+        throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+    }
+ 
+    sqlite3_bind_text(stmt, 1, token.c_str(), -1, SQLITE_STATIC);
+ 
+    if (sqlite3_step(stmt) == SQLITE_DONE) {
+        sqlite3_finalize(stmt);
+        return {};
+    }
+ 
+    uint64_t userid = sqlite3_column_int64(stmt, 0);
+    int64_t expiry = sqlite3_column_int64(stmt, 1);
+ 
+    sqlite3_finalize(stmt);
+ 
+    if (expiry < static_cast<int64_t>(std::time(nullptr))) {
+        // expired; not bothering to delete it here, an expiry sweep
+        // job would be a reasonable thing to add later
+        return {};
+    }
+ 
+    return getUser(userid);
 }

 void Database::addUser(User& user) {
@@ -248,3 +412,114 @@ void Database::addUser(User& user) {

    sqlite3_finalize(stmt);
 }
+
+void Database::updateUser(const User& user) {
+    const char* sql = R"(
+        UPDATE users 
+        SET 
+            name = ?,
+            bio = ?,
+            password = ?
+        WHERE id = ?;
+    )";
+
+    sqlite3_stmt* stmt;
+    if (sqlite3_prepare_v2(db, sql, -1, &stmt, nullptr) != SQLITE_OK) {
+        throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+    }
+    
+    sqlite3_bind_text(stmt, 1, user.name.c_str(), -1, SQLITE_STATIC);
+    sqlite3_bind_text(stmt, 2, user.bio.c_str(), -1, SQLITE_STATIC);
+    sqlite3_bind_text(stmt, 3, user.passwordHash.c_str(), -1, SQLITE_STATIC);
+    sqlite3_bind_int64(stmt, 4, user.id);
+
+    if (sqlite3_step(stmt) != SQLITE_DONE) {
+        throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+    }
+
+    sqlite3_finalize(stmt);
+}
+
+void Database::invalidateUserSessions(const User& user) {
+    const char* sql = R"(
+        DELETE FROM sessions WHERE userid = ?;
+    )";
+    sqlite3_stmt* stmt;
+    if (sqlite3_prepare_v2(db, sql, -1, &stmt, nullptr) != SQLITE_OK) {
+        throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+    }
+    
+    sqlite3_bind_int64(stmt, 1, user.id);
+
+    if (sqlite3_step(stmt) != SQLITE_DONE) {
+        throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+    }
+
+    sqlite3_finalize(stmt);
+}
+
+
+
+std::vector<Message> Database::getMessages(uint64_t userA, uint64_t userB, uint64_t amount) {
+    const char* sql = R"(
+        SELECT * FROM messages 
+        WHERE (senderid = ? AND recieverid = ?) OR (senderid = ? AND recieverid = ?)
+        ORDER BY timestamp DESC
+        LIMIT ?;
+    )";
+
+    sqlite3_stmt* stmt;
+    if (sqlite3_prepare_v2(db, sql, -1, &stmt, nullptr) != SQLITE_OK) {
+        throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+    }
+
+    sqlite3_bind_int64(stmt, 1, userA);
+    sqlite3_bind_int64(stmt, 2, userB);
+    sqlite3_bind_int64(stmt, 3, userB);
+    sqlite3_bind_int64(stmt, 4, userA);
+    sqlite3_bind_int64(stmt, 5, amount);
+
+    std::vector<Message> messages = {};
+    while (sqlite3_step(stmt) == SQLITE_ROW) {
+
+        uint64_t id = sqlite3_column_int64(stmt, 0);
+        uint64_t senderId = sqlite3_column_int64(stmt, 1);
+        uint64_t recieverId = sqlite3_column_int64(stmt, 2);
+        std::time_t timestamp = sqlite3_column_int64(stmt, 3);
+        const char* textptr = reinterpret_cast<const char*>(sqlite3_column_text(stmt, 4));
+        std::string text;
+        if (textptr == NULL) {
+            text = "";
+        } else {
+            text = std::string(textptr);
+        }
+
+        messages.emplace_back(id, senderId, recieverId, text, timestamp);
+    }
+
+    sqlite3_finalize(stmt);
+    return messages;
+}
+
+void Database::addMessage(Message& message) {
+    const char* sql = R"(
+        INSERT INTO messages (senderid, recieverid, timestamp, text) 
+        VALUES (?, ?, ?, ?);
+    )";
+
+    sqlite3_stmt* stmt;
+    if (sqlite3_prepare_v2(db, sql, -1, &stmt, nullptr) != SQLITE_OK) {
+        throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+    }
+
+    sqlite3_bind_int64(stmt, 1, message.sender);
+    sqlite3_bind_int64(stmt, 2, message.reciever);
+    sqlite3_bind_int64(stmt, 3, message.timestamp);
+    sqlite3_bind_text(stmt, 4, message.content.c_str(), -1, SQLITE_STATIC);
+
+    if (sqlite3_step(stmt) != SQLITE_DONE) {
+        throw std::runtime_error("sqlite3 error: " + std::string(sqlite3_errmsg(db)));
+    }
+
+    sqlite3_finalize(stmt);
+}
--- a/server/src/db.h
+++ b/server/src/db.h
@@ -5,24 +5,48 @@
 #include <optional>
 #include <string>
 #include <sqlite3.h>
+#include <sys/types.h>
 #include <vector>

 #include "post.h"

 void sanitize(std::string& str);

+std::string generateSecureToken(size_t numBytes);
+
 struct User {
    uint64_t id = 0;
    std::string name = "";
    std::string passwordHash = "";
+    std::string bio = "";

-    User(uint64_t id, std::string namein, const std::string& passwordHash) :
-        id(id), passwordHash(passwordHash) {
+    User(uint64_t id, const std::string& namein, const std::string& passwordHash, const std::string& bio) :
+        id(id), passwordHash(passwordHash), bio(bio), name(namein) {}
+
+    User(uint64_t id, std::string namein, const std::string& passwordHash, const std::string& bio, int doSanitize) :
+        id(id), passwordHash(passwordHash), bio(bio) {
            sanitize(namein);
            name = namein;
        }
 };

+struct Message {
+    uint64_t id = 0;
+    uint64_t sender = 0;
+    uint64_t reciever = 0;
+    std::time_t timestamp;
+    std::string content = "";
+
+    Message(uint64_t id, uint64_t sender, uint64_t reciever, const std::string& content, std::time_t timestamp) :
+        id(id), sender(sender), reciever(reciever), content(content), timestamp(timestamp) {}
+
+    Message(uint64_t id, uint64_t sender, uint64_t reciever, std::string contentin, std::time_t timestamp, int doSanitize) :
+        id(id), sender(sender), reciever(reciever), timestamp(timestamp) {
+            sanitize(contentin);
+            content = contentin;
+        }
+};
+
 class Database {

    sqlite3* db;
@@ -41,9 +65,17 @@ class Database {

    std::optional<User> getUser(uint64_t id);
    std::optional<User> getUserByName(const std::string& name);
+    std::optional<User> getUserByToken(const std::string& token);
+    std::optional<std::string> createNewToken(uint64_t id);

    // this will modify the user to have their user ID
    void addUser(User& user);
+    void updateUser(const User& user);
+    void invalidateUserSessions(const User& user);
+
+    std::vector<Message> getMessages(uint64_t userA, uint64_t userB, uint64_t amount);
+    // modifies the message to have it's id
+    void addMessage(Message& message);

 };

--- a/server/src/json/json.hpp
+++ b/server/src/json/json.hpp
--- a/server/src/main.cpp
+++ b/server/src/main.cpp
@@ -1,13 +1,20 @@
 #include <cstdint>
+#include <ctime>
 #include <mutex>
 #include <sstream>
 #include <stdexcept>
 #include <string>
+#include <unordered_map>
 #include <vector>

 #include "httplib/httplib.h"
 #include "bcrypt/bcrypt.h"

+#define JSON_USE_IMPLICIT_CONVERSIONS 0
+#include "json/json.hpp"
+
+using Json = nlohmann::json;
+
 #include "db.h"
 #include "post.h"

@@ -15,42 +22,194 @@
 #include "generated/header_top.h"
 #include "generated/header_bottom.h"
 #include "generated/footer.h"
+#include "generated/login.h"
+#include "generated/settings.h"
+#include "generated/friends.h"
+#include "generated/script_friends.h"
 #include "generated/style.h"
+#include "generated/style_friends.h"
 #include "generated/script.h"
+#include "generated/notify.h"
+
+std::optional<User> getLoggedInUser(const httplib::Request& request, Database& database) {
+    if (!request.has_header("Cookie")) {
+        return {};
+    }
+ 
+    std::string cookieHeader = request.get_header_value("Cookie");
+    const std::string key = "session=";
+ 
+    size_t pos = cookieHeader.find(key);
+    if (pos == std::string::npos) {
+        return {};
+    }
+    pos += key.length();
+ 
+    size_t end = cookieHeader.find(';', pos);
+    std::string token = cookieHeader.substr(pos, end == std::string::npos ? std::string::npos : end - pos);
+ 
+    return database.getUserByToken(token);
+}

 int main() {
    const bin2cpp::File& headerTopFile    = bin2cpp::getHeader_topHtmlFile();
    const bin2cpp::File& headerBottomFile = bin2cpp::getHeader_bottomHtmlFile();
-    const bin2cpp::File& footerfile = bin2cpp::getFooterHtmlFile();
-    const bin2cpp::File& e404file   = bin2cpp::getE404HtmlFile();
-    const bin2cpp::File& stylefile  = bin2cpp::getStyleCssFile();
-    const bin2cpp::File& scriptfile = bin2cpp::getScriptJsFile();
+    const bin2cpp::File& footerfile   = bin2cpp::getFooterHtmlFile();
+    const bin2cpp::File& loginfile    = bin2cpp::getLoginHtmlFile();
+    const bin2cpp::File& settingsfile = bin2cpp::getSettingsHtmlFile();
+    const bin2cpp::File& friendsfile  = bin2cpp::getFriendsHtmlFile();
+    const bin2cpp::File& friendsjsfile  = bin2cpp::getScript_friendsJsFile();
+    const bin2cpp::File& e404file     = bin2cpp::getE404HtmlFile();
+    const bin2cpp::File& stylefile    = bin2cpp::getStyleCssFile();
+    const bin2cpp::File& friendscssfile = bin2cpp::getStyle_friendsCssFile();
+    const bin2cpp::File& scriptfile   = bin2cpp::getScriptJsFile();
+    const bin2cpp::File& notifyfile   = bin2cpp::getNotifyOpusFile();

    std::string headerTop{headerTopFile.getBuffer(), headerTopFile.getSize()};
    std::string headerBottom{headerBottomFile.getBuffer(), headerBottomFile.getSize()};
    std::string footer{footerfile.getBuffer(), footerfile.getSize()};
+    std::string login{loginfile.getBuffer(), loginfile.getSize()};
+    std::string settings{settingsfile.getBuffer(), settingsfile.getSize()};
+    std::string friends{friendsfile.getBuffer(), friendsfile.getSize()};
+    std::string friendsjs{friendsjsfile.getBuffer(), friendsjsfile.getSize()};
+    std::string friendscss{friendscssfile.getBuffer(), friendscssfile.getSize()};
    std::string e404{e404file.getBuffer(), e404file.getSize()};
    std::string style{stylefile.getBuffer(), stylefile.getSize()};
    std::string script{scriptfile.getBuffer(), scriptfile.getSize()};
+    std::string notify{notifyfile.getBuffer(), notifyfile.getSize()};

    Database database{"chookchat.db"};

    std::mutex data_mutex;

+    std::unordered_map<uint64_t, httplib::ws::WebSocket*> connectedFriends;
+
    httplib::Server svr;

    svr.Get("/style.css", [&style](const httplib::Request& request, httplib::Response& response) {
        response.set_content(style, "text/css");
    });

+    svr.Get("/style_friends.css", [&friendscss](const httplib::Request& request, httplib::Response& response) {
+        response.set_content(friendscss, "text/css");
+    });
+
    svr.Get("/script.js", [&script](const httplib::Request& request, httplib::Response& response) {
-        response.set_content(script, "text/css");
+        response.set_content(script, "text/javascript");
+    });
+
+    svr.Get("/script_friends.js", [&friendsjs](const httplib::Request& request, httplib::Response& response) {
+        response.set_content(friendsjs, "text/javascript");
+    });
+
+    svr.Get("/notify.opus", [&notify](const httplib::Request& request, httplib::Response& response) {
+        response.set_content(notify, "audio/ogg; codecs=opus");
+    });
+
+    svr.Get("/login", [&login](const httplib::Request& request, httplib::Response& response) {
+        response.set_content(login, "text/html");
+    });
+
+    svr.Get("/settings", [&settings](const httplib::Request& request, httplib::Response& response) {
+        response.set_content(settings, "text/html");
+    });
+
+    svr.Get("/friends", [&friends](const httplib::Request& request, httplib::Response& response) {
+        response.set_content(friends, "text/html");
+    });
+
+    svr.Post("/login", [&database, &data_mutex](const httplib::Request& request, httplib::Response& response) {
+        std::string username = request.form.get_field("username");
+        std::string password = request.form.get_field("password");
+ 
+        std::lock_guard<std::mutex> lock(data_mutex);
+ 
+        try {
+            std::optional<User> user = database.getUserByName(username);
+ 
+            if (user.has_value()) {
+                if (!bcrypt::validatePassword(password, user->passwordHash)) {
+                    response.status = 401;
+                    response.set_content("<p>wrong password lmao</p><img src='https://media.tenor.com/wWX7upr7SvwAAAAM/byuntear-cat.gif' alt='your stupid lol'>", "text/html");
+                    return;
+                }
+            } else {
+                response.status = 400;
+                response.set_content("<p>that username doesn't exist</p>", "text/html");
+                return;
+            }
+ 
+            std::optional<std::string> token = database.createNewToken(user->id);
+            if (!token.has_value()) {
+                response.status = 500;
+                response.set_content("<p>couldn't create a session, sorry</p>", "text/html");
+                return;
+            }
+ 
+            // HttpOnly so script.js can't read/leak it, SameSite=Lax so it
+            // isn't sent on cross-site POSTs (basic CSRF mitigation),
+            // Max-Age matches the 30 day expiry stored in the DB
+            response.set_header(
+                "Set-Cookie",
+                "session=" + *token + "; Path=/; HttpOnly; SameSite=Lax; Max-Age=2592000"
+            );
+            response.set_redirect("/");
+        } catch (const std::runtime_error& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        }
+    });
+
+    svr.Post("/register", [&database, &data_mutex](const httplib::Request& request, httplib::Response& response) {
+        std::string username = request.form.get_field("username");
+        std::string password = request.form.get_field("password");
+ 
+        std::lock_guard<std::mutex> lock(data_mutex);
+ 
+        try {
+            std::optional<User> user = database.getUserByName(username);
+ 
+            if (user.has_value()) {
+                response.status = 400;
+                response.set_content("<p>that username already exists</p>", "text/html");
+                return;
+            } else {
+                if (username.empty()) {
+                    response.status = 400;
+                    response.set_content("<p>hey you can't have an empty username!!!!1!!!1! >:(</p>", "text/html");
+                    return;
+                }
+                User newUser{0, username, bcrypt::generateHash(password), "", 1};
+                database.addUser(newUser);
+                user = newUser;
+            }
+ 
+            std::optional<std::string> token = database.createNewToken(user->id);
+            if (!token.has_value()) {
+                response.status = 500;
+                response.set_content("<p>couldn't create a session, sorry</p>", "text/html");
+                return;
+            }
+ 
+            // HttpOnly so script.js can't read/leak it, SameSite=Lax so it
+            // isn't sent on cross-site POSTs (basic CSRF mitigation),
+            // Max-Age matches the 30 day expiry stored in the DB
+            response.set_header(
+                "Set-Cookie",
+                "session=" + *token + "; Path=/; HttpOnly; SameSite=Lax; Max-Age=2592000"
+            );
+            response.set_redirect("/");
+        } catch (const std::runtime_error& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        }
    });

    svr.Get("/", [&headerTop, &headerBottom, &footer, &database, &data_mutex](const httplib::Request& request, httplib::Response& response) {

        std::stringstream ss;
        ss << headerTop << "<meta content='Chookchat' property='og:title' /><meta content='See posts from cool people' property='og:description' />" << headerBottom;
+        ss << "<div id='posts-header'><h1>posts</h1></div>";

        std::lock_guard<std::mutex> lock(data_mutex);

@@ -68,11 +227,15 @@ int main() {
        } catch (const std::runtime_error& e) {
            response.status = 500;
            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        } catch (const std::exception& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
        }
    });

    svr.Get("/posts/:id", [&headerTop, &headerBottom, &footer, &e404, &database, &data_mutex](const httplib::Request& request, httplib::Response& response) {
        std::string postId = request.path_params.at("id");
+        std::lock_guard<std::mutex> lock(data_mutex);
        try {
            uint64_t postIdNum = std::stoll(postId);
            std::optional<Post> post = database.getPost(postIdNum);
@@ -95,6 +258,38 @@ int main() {
        }
    });

+    svr.Get("/profile/:username", [&headerTop, &headerBottom, &footer, &e404, &database, &data_mutex](const httplib::Request& request, httplib::Response& response){
+        std::string username = request.path_params.at("username");
+        std::lock_guard<std::mutex> lock(data_mutex);
+        try {
+            std::optional<User> user = database.getUserByName(username);
+            if (!user.has_value()) {
+                response.status = 404;
+                response.set_content(e404, "text/html");
+            }
+            std::vector<Post> posts = database.getUserPosts(user->id);
+
+            std::stringstream ss;
+            ss << headerTop << "<meta content='See posts from " << username << " on Chookchat' property='og:title' />" << headerBottom;
+            ss << "<div id='posts-header'><h1>" << username << "</h1></div>";
+            ss << "<p>" << user->bio << "</p>"; 
+            for (const auto& post : posts) {
+                ss << post.genHtml();
+            }
+            ss << footer;
+
+            response.set_content(ss.str(), "text/html");
+        }  catch (const std::runtime_error& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        } catch (const std::exception& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        }
+
+    });
+
+    // endpoint to be used by HTML forms
    svr.Post("/make_post", [&database, &data_mutex](const httplib::Request& request, httplib::Response& response) {

        std::string username = request.get_param_value("username");
@@ -119,7 +314,7 @@ int main() {
                    return;
                }
                // create user 
-                User newUser{0, username, bcrypt::generateHash(password)};
+                User newUser{0, username, bcrypt::generateHash(password), ""};
                database.addUser(newUser);
                userId = newUser.id;
            } 
@@ -134,16 +329,371 @@ int main() {

    });

+    // endpoint to be used in Javascript
+    svr.Post("/post", [&database, &data_mutex](const httplib::Request& request, httplib::Response& response) {
+        try {
+            std::lock_guard<std::mutex> lock(data_mutex);
+            std::string post = request.form.get_field("post");
+
+            std::optional<User> user = getLoggedInUser(request, database);
+            if (!user.has_value()) {
+                response.status = 401;
+                response.set_content("<p>you're not logged in, so you can't post</p>", "text/html");
+                return;
+            }
+
+            database.addPost(Post(post, user->id));
+            response.status = 200;
+            response.set_content("OK", "text/text");
+
+        } catch (const std::runtime_error& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        } catch (const std::exception& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        }
+    });
+
    svr.Post("/like", [&database, &data_mutex](const httplib::Request& request, httplib::Response& response) {
        try {
-            std::string username = request.form.get_field("username");
-            std::string password = request.form.get_field("password");
            std::string post = request.form.get_field("post");
-            
            std::lock_guard<std::mutex> lock(data_mutex);

+            std::optional<User> user = getLoggedInUser(request, database);
+            if (!user.has_value()) {
+                response.status = 401;
+                response.set_content("i dunno that user", "text/plain");
+                return;
+            }
+
            uint64_t postNum = std::stoull(post);
-            database.addLike(postNum, 0);
+            database.addLike(postNum, user->id);
+        } catch (const std::runtime_error& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        } catch (const std::exception& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        }
+    });
+
+    svr.Get("/me", [&database, &data_mutex](const httplib::Request& request, httplib::Response& response) {
+        std::lock_guard<std::mutex> lock(data_mutex);
+        try {
+            std::optional<User> user = getLoggedInUser(request, database);
+            response.set_header("Cache-Control", "no-store");
+
+            if (!user.has_value()) {
+                response.set_header("X-Logged-In", "false");
+                return;
+            }
+
+            response.set_header("X-Logged-In", "true");
+            response.set_header("X-Username", user->name);
+            response.set_header("X-Bio", user->bio);
+            response.set_header("X-User-ID", std::to_string(user->id));
+        } catch (const std::runtime_error& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        } catch (const std::exception& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        }
+
+    });
+
+    svr.Get("/userinfo/:userid", [&database, &data_mutex](const httplib::Request& request, httplib::Response& response) {
+        std::lock_guard<std::mutex> lock(data_mutex);
+        try {
+            uint64_t userId = std::stoull(request.path_params.at("userid"));
+            std::optional<User> user = database.getUser(userId);
+            response.set_header("Cache-Control", "no-store");
+
+            if (!user.has_value()) {
+                response.status = 404;
+                return;
+            }
+
+            response.set_header("X-Logged-In", "true");
+            response.set_header("X-Username", user->name);
+            response.set_header("X-Bio", user->bio);
+            response.set_header("X-User-ID", std::to_string(user->id));
+        } catch (const std::runtime_error& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        } catch (const std::exception& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        }
+    });
+
+    // friends endpoints
+    svr.WebSocket("/friends/ws", [&database, &data_mutex, &connectedFriends](const httplib::Request& request, httplib::ws::WebSocket& ws) {
+
+        std::optional<User> user = getLoggedInUser(request, database);
+        if (!user.has_value()) {
+            ws.close();
+            return;
+        }
+
+        // add us to the logged in users 
+        connectedFriends[user->id] = &ws;
+
+        {
+            // send out an update to everyone with the new user list
+            Json data;
+            data["type"] = "users";
+            Json list;
+            for (const auto& [user, value] : connectedFriends) {
+                list.push_back(user);
+            }
+            data["content"] = list;
+            std::string datadump = data.dump();
+            for (const auto& [userid, conn] : connectedFriends) {
+                conn->send(datadump);
+            }
+        }
+
+        std::string msg;
+        while (ws.read(msg)) {
+            try {
+                /*
+                 * type: 
+                 *      0 (message), 1 (friend request), 2 (change status), 3 (ping),
+                 *      4 (get online friends)
+                 * userId: <int>
+                 * content: 
+                 *      <string> (message), 
+                 *      (0 (offline), 1 (online) (change status)), 
+                 *      nil, (friend request)
+                 */
+                Json data = Json::parse(msg);
+                double type = data["type"].get<double>();
+                uint64_t userId = static_cast<uint64_t>(data["userId"].get<double>());
+                if (type == 0) { // message
+                    std::string content = data["content"].get<std::string>();
+                    if (connectedFriends.find(userId) == connectedFriends.end()) {
+                        Json data;
+                        data["type"] = "error";
+                        data["content"] = "friend not online";
+                        ws.send(data.dump());
+                        continue;
+                    }
+                    httplib::ws::WebSocket* friendWs = connectedFriends[userId];
+                    if (friendWs->is_open()) {
+                        Json data;
+                        data["type"] = "message";
+                        data["userId"] = user->id;
+                        data["content"] = content;
+                        friendWs->send(data.dump());
+
+                        Json returnData;
+                        returnData["type"] = "ok";
+                        ws.send(returnData.dump());
+                    }
+                    // Store the message in database 
+                    {
+                        std::lock_guard<std::mutex> lock(data_mutex);
+                        Message message{0, user->id, userId, content, std::time(nullptr), 1};
+                        database.addMessage(message);
+                    }
+
+                    // TODO:
+                    //  - Verify users are friends 
+
+                } else if (type == 1) { // friend request
+                    Json data;
+                    data["type"] = "error";
+                    data["content"] = "not implemented yet";
+                    ws.send(data.dump());
+                    continue;
+                } else if (type == 2) {
+                    // blank for now
+                    // no need for a ping anymore
+                } else if (type == 3) {
+                    Json data;
+                    data["type"] = "ok";
+                    ws.send(data.dump());
+                } else if (type == 4) {
+                    Json data;
+                    data["type"] = "users";
+                    Json list;
+                    for (const auto& [user, value] : connectedFriends) {
+                        list.push_back(user);
+                    }
+                    data["content"] = list;
+                    ws.send(data.dump());
+                }
+            } catch (const std::runtime_error& e) {
+                Json data;
+                data["type"] = "error";
+                data["content"] = e.what();
+                ws.send(data.dump());
+            }
+        }
+
+        // clean up the connection 
+        connectedFriends.erase(user->id);
+        ws.close();
+
+        // send out an update to everyone with the new user list
+        {
+            Json data;
+            data["type"] = "users";
+            Json list;
+            for (const auto& [user, value] : connectedFriends) {
+                list.push_back(user);
+            }
+            data["content"] = list;
+            std::string datadump = data.dump();
+            for (const auto& [userid, conn] : connectedFriends) {
+                conn->send(datadump);
+            }
+        }
+    });
+
+    svr.Get("/friends/chatHistory/:userid", [&database, &data_mutex](const httplib::Request& request, httplib::Response& response) {
+        std::string userIdStr = request.path_params.at("userid");
+        std::lock_guard<std::mutex> lock(data_mutex);
+
+        try {
+            std::optional<User> user = getLoggedInUser(request, database);
+            if (!user.has_value()) {
+                response.status = 401;
+                response.set_content("your session is invalid", "text/plain");
+                return;
+            }
+            uint64_t friendUserId = std::stoull(userIdStr); 
+            std::vector<Message> messages = database.getMessages(user->id, friendUserId, 100);
+
+            // construct json for response 
+            Json list;
+            for (auto it = messages.rbegin(); it != messages.rend(); ++it) {
+                Json message;
+                message["sender"] = it->sender;
+                message["reciever"] = it->reciever;
+                message["id"] = it->id;
+                message["timestamp"] = it->timestamp;
+                message["content"] = it->content;
+                list.push_back(message);
+            }
+
+            Json data;
+            data["messages"] = list;
+
+            response.set_content(data.dump(), "application/json");
+
+        } catch (const std::runtime_error& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        } catch (const std::exception& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        }
+
+    });
+
+
+    // settings endpoints 
+    svr.Post("/settings/changePassword", [&database, &data_mutex](const httplib::Request& request, httplib::Response& response) {
+        std::string oldpassword = request.form.get_field("oldpassword");
+        std::string newpassword = request.form.get_field("newpassword");
+
+        std::lock_guard<std::mutex> lock(data_mutex);
+
+        try {
+            std::optional<User> user = getLoggedInUser(request, database);
+            if (!user.has_value()) {
+                response.status = 401;
+                response.set_content("your session is invalid", "text/plain");
+                return;
+            }
+
+            if (!bcrypt::validatePassword(oldpassword, user->passwordHash)) {
+                response.status = 400;
+                response.set_content("invalid password", "text/plain");
+                return;
+            }
+
+            user->passwordHash = bcrypt::generateHash(newpassword);
+            database.updateUser(*user);
+        } catch (const std::runtime_error& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        } catch (const std::exception& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        }
+    });
+
+    svr.Post("/settings/changeUsername", [&database, &data_mutex](const httplib::Request& request, httplib::Response& response) {
+        std::string password = request.form.get_field("password");
+        std::string newusername = request.form.get_field("newusername");
+
+        std::lock_guard<std::mutex> lock(data_mutex);
+
+        try {
+            std::optional<User> user = getLoggedInUser(request, database);
+            if (!user.has_value()) {
+                response.status = 401;
+                response.set_content("your session is invalid", "text/plain");
+                return;
+            }
+
+            if (!bcrypt::validatePassword(password, user->passwordHash)) {
+                response.status = 400;
+                response.set_content("invalid password", "text/plain");
+                return;
+            }
+
+            user->name = newusername;
+            database.updateUser(*user);
+        } catch (const std::runtime_error& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        } catch (const std::exception& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        }
+    });
+
+    svr.Post("/settings/changeBio", [&database, &data_mutex](const httplib::Request& request, httplib::Response& response) {
+        std::string bio = request.form.get_field("bio");
+
+        std::lock_guard<std::mutex> lock(data_mutex);
+
+        try {
+            std::optional<User> user = getLoggedInUser(request, database);
+            if (!user.has_value()) {
+                response.status = 401;
+                response.set_content("your session is invalid", "text/plain");
+                return;
+            }
+
+            user->bio = bio;
+            database.updateUser(*user);
+        } catch (const std::runtime_error& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        } catch (const std::exception& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        }
+    });
+
+    svr.Post("/settings/invalidateAllSessions", [&database, &data_mutex](const httplib::Request& request, httplib::Response& response) {
+        std::lock_guard<std::mutex> lock(data_mutex);
+
+        try {
+            std::optional<User> user = getLoggedInUser(request, database);
+            if (!user.has_value()) {
+                response.status = 401;
+                response.set_content("your session is invalid", "text/plain");
+                return;
+            }
+
+            database.invalidateUserSessions(*user);
        } catch (const std::runtime_error& e) {
            response.status = 500;
            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
--- a/server/src/post.cpp
+++ b/server/src/post.cpp
@@ -47,7 +47,7 @@ std::string Post::genHtml() const {
    ts = *localtime(&time);
    strftime(buf, sizeof(buf), "%a %Y-%m-%d %H:%M:%S %Z", &ts);

-    ss << "<p class='postinfo'><i>" << user << "</i> posted this at " << buf << "</p>\n";
+    ss << "<p class='postinfo'><i><a href='/profile/" << user << "'>" << user << "</a></i> posted this at " << buf << "</p>\n";

    ss << content;
Author	SHA1	Message	Date
Maxwell Jeffress	0d3c76086b	better client for friends	2026-07-24 10:18:30 +10:00
Maxwell Jeffress	6598162680	I forgot one thing	2026-07-24 09:05:33 +10:00
Maxwell Jeffress	999a9fe346	update README	2026-07-24 08:39:28 +10:00
Maxwell Jeffress	1159bdebde	Save messages to database	2026-07-23 14:31:13 +10:00
Maxwell Jeffress	d61946d2ec	unread message count + fix bug	2026-07-22 17:34:07 +10:00
Maxwell Jeffress	abd51e347c	start working on friends system	2026-07-22 17:15:05 +10:00
Maxwell Jeffress	e99d312937	a few qol fixes	2026-07-21 20:04:33 +10:00
Maxwell Jeffress	dd7e1f8981	Settings	2026-07-21 19:50:36 +10:00
Maxwell Jeffress	0965749fc8	make profile pages show posts in right order	2026-07-21 17:34:43 +10:00
Maxwell Jeffress	3a63c68c2d	profile pages	2026-07-21 17:31:43 +10:00
Maxwell Jeffress	09ec5a33ec	now you can unlike :(	2026-07-21 17:08:25 +10:00
Maxwell Jeffress	5d5982c2dc	Everyone gets... ONE vote!	2026-07-21 16:58:44 +10:00
Maxwell Jeffress	7e9271db72	Logins + sessions working	2026-07-21 16:05:08 +10:00
Maxwell Jeffress	c6a0e91e7e	fix	2026-07-21 13:11:20 +10:00
Maxwell	720a101468	Merge pull request 'Update server/src/main.cpp' (#3 ) from reallynniroprobably/chookchat:reallynniroprobably-patch-1 into master Reviewed-on: chookspace/chookchat#3	2026-07-21 13:10:19 +10:00
Maxwell Jeffress	a7dbe2fca3	continue working on login	2026-07-21 13:09:52 +10:00
Aiden?	ec4a9d69de	Update server/src/main.cpp	2026-07-21 13:08:59 +10:00
Maxwell Jeffress	4ce1d56d69	start work on persistent login	2026-07-21 12:06:46 +10:00
Maxwell	cca6737791	Merge pull request 'design navbar for client' (#2 ) from SpookyDervish/chookchat:master into master Reviewed-on: chookspace/chookchat#2	2026-07-21 08:02:27 +10:00