Files
web/functions/account_functions.php
T

556 lines
18 KiB
PHP

<?php
require_once 'db_functions.php';
require_once 'article_functions.php';
function user_id_exists($user_id)
{
$conn = get_connection();
$stmt = $conn->prepare('SELECT user_id FROM user WHERE user_id = ?');
$stmt->bind_param('i', $user_id);
$stmt->execute();
$result = $stmt->get_result()->fetch_assoc();
if ($result == null)
return false;
return true;
}
function cookies($user, $time)
{
setcookie('user_id', $user['user_id'], $time);
setcookie('username', $user['username'], $time);
setcookie('email', $user['email'], $time);
setcookie('role_id', $user['role_id'], $time);
setcookie('profile_picture', $user['profile_picture'], $time);
}
function logout()
{
foreach (array_keys($_COOKIE) as $key) {
setcookie($key, '', time() - 3600, '/');
unset($_COOKIE[$key]);
}
header('Location: articles.php');
}
function login_form($error_msg = '')
{
$form = '
<div class="form_card">
<h3 class="underline">Log In</h3>
<form method="post">
<input type="hidden" name="form_id" value="login_form">
<label for="username">Username / Email</label>
<input id="username" name="username" required>
<label for="password">Password</label>
<input id="password" name="password" type="password" required>
<label class="form_checkbox_container">Stay Logged In?
<input name="stay_logged_in" type="checkbox" value="true">
<span class="checkmark"></span>
</label>
<input class="button" type="submit" value="Log In">
' . $error_msg . '
</form>
</div>
';
return $form;
}
function login($username, $password, $stay_logged_in)
{
$password_hash = hash('sha256', $password);
$conn = get_connection();
$stmt = $conn->prepare('SELECT user_id, username, email, role_id, profile_picture FROM user WHERE username = ? OR email = ? AND password_hash = ?');
$stmt->bind_param('sss', $username, $username, $password_hash);
$stmt->execute();
$user = $stmt->get_result()->fetch_assoc();
if ($user == null) {
$error_msg = '
<div class="error">
Username and/or Password are invalid!
</div>
';
return $error_msg;
}
$time = time() + 60 * 60 * 1;
cookies($user, $time);
if ($stay_logged_in) {
$token = bin2hex(random_bytes(64));
// echo $token . '<br>';
// echo strlen($token);
setcookie('remember_user', $token, time() + 60 * 60 * 24 * 30, '/', '', true, true);
$stmt = $conn->prepare('INSERT INTO remember_user (token, user_id, remote_addr, http_forward) VALUES (?, ?, ?, ?)');
$stmt->bind_param('siss', $token, $user['user_id'], hash('sha256', $_SERVER['REMOTE_ADDR']), (isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? hash('sha256', $_SERVER['HTTP_X_FORWARDED_FOR']) : null));
$stmt->execute();
}
return true;
}
function signup_form($error_msg = '')
{
$form = '
<div class="form_card">
<h3 class="underline">Sign Up</h3>
<form method="post" enctype="multipart/form-data">
<input type="hidden" name="form_id" value="signup_form">
<input type="hidden" name="crop_x" value="" id="crop_x">
<input type="hidden" name="crop_y" value="" id="crop_y">
<input type="hidden" name="crop_width" value="" id="crop_width">
<label for="username">Username</label>
<input id="username" name="username" required>
<label for="email">Email Address</label>
<input id="email" name="email" required>
<label for="password">Password</label>
<input id="password" name="password" type="password" required>
<label for="verify_password">Verify Password</label>
<input id="verify_password" name="verify_password" type="password" required>
<label for="profile_picture" class="upload_button modal_button" id="profile_cropper_button">Upload a Profile Picture</label>
<input id="profile_picture" class="file_input" name="profile_picture" type="file" accept="image/png, image/jpeg, image/jpg">
<small class="file_input_feedback">No file selected.</small>
<label class="form_checkbox_container">Stay Logged In?
<input name="stay_logged_in" type="checkbox" value="true">
<span class="checkmark"></span>
</label>
<input class="button" type="submit" value="Sign Up">
' . $error_msg . '
</form>
<div id="user_actions_modal" class="modal">
<div id="modal_content">
</div>
</div>
<div style="display: none;">
<div id="profile_cropper" class="modal_form">' . profile_cropper() . '</div>
</div>
</div>
';
return $form;
}
function create_user($username, $email, $password, $verify_password, $role_id, $upload = null, $x = null, $y = null, $crop_width = null)
{
if ($password != $verify_password) {
$error_msg = '
<div class="error">
Passwords do not match!
</div>
';
return $error_msg;
}
$password_hash = hash('sha256', $password);
$id = rand(1000, 999999999);
while (user_id_exists($id))
$id = rand(1000, 999999999);
if (!empty($upload['profile_picture']['tmp_name'])) {
$orig_size = getimagesize($upload['profile_picture']['tmp_name']);
$orig_width = $orig_size[0];
$orig_height = $orig_size[1];
$crop_size = min($orig_width, $orig_height) * .56;
crop_image($upload['profile_picture']['tmp_name'], $x, $y, $crop_size, $crop_size);
$target = upload($upload['profile_picture'], $_ENV['PROFILE_IMAGES_FQ_PATH'], $id);
} else {
$target = 'default-profile.png';
}
$conn = get_connection();
$stmt = $conn->prepare('INSERT INTO user (user_id, username, email, password_hash, role_id, profile_picture) VALUES (?, ?, ?, ?, ?, ?)');
$stmt->bind_param('isssis', $id, $username, $email, $password_hash, $role_id, $target);
$stmt->execute();
return true;
}
function profile_cropper()
{
$display = '
<div class="form_card">
<img src="IMG_UPLOAD_PATH" id="img_to_crop"/>
<div id="img_crop_selection">
<div class="corner" id="corner_nw"></div>
<div class="corner" id="corner_ne"></div>
<div class="corner" id="corner_sw"></div>
<div class="corner" id="corner_se"></div>
</div>
<div class="row">
<button id="crop_button" class="button">Crop</button>
<button id="crop_cancel" class="button">Cancel</button>
</div>
</div>
';
return $display;
}
function reset_pw_form()
{
$form = '
<div class="form_card">
<h5 class="underline">Reset Password</h5>
<span class="modal_close">&times;</span>
<form method="post">
<input type="hidden" name="form_id" value="reset_pw_form">
<input type="hidden" name="user_id" value="' . $_GET['user_id'] . '">
<label for="new_pw">New Password</label>
<input id="new_pw" name="new_pw" type="password" required>
<label for="verify_new_pw">Verify New Password</label>
<input id="verify_new_pw" name="verify_new_pw" type="password" required>
<input type="submit" class="button" value="Reset Password">
</form>
</div>
';
return $form;
}
function reset_password($user_id, $new_password, $verify_new_password)
{
if ($new_password != $verify_new_password) {
$error_msg = '
<div class="error">
Passwords do not match!
</div>
';
return $error_msg;
}
$password_hash = hash('sha256', $new_password);
$conn = get_connection();
$stmt = $conn->prepare('UPDATE user SET password_hash = ? WHERE user_id = ?');
$stmt->bind_param('si', $password_hash, $user_id);
$stmt->execute();
}
function update_email_form()
{
$form = '
<div class="form_card">
<h5 class="underline">Update Email</h5>
<span class="modal_close">&times;</span>
<form method="post">
<input type="hidden" name="form_id" value="update_email_form">
<input type="hidden" name="user_id" value="' . $_GET['user_id'] . '">
<label for="new_email">New Email</label>
<input id="new_email" name="new_email" required>
<label for="verify_new_email">Verify New Email</label>
<input id="verify_new_email" name="verify_new_email" required>
<input type="submit" class="button" value="Update Email">
</form>
</div>
';
return $form;
}
function update_email($user_id, $new_email, $verify_new_email)
{
if ($new_email != $verify_new_email) {
$error_msg = '
<div class="error">
Emails do not match!
</div>
';
return $error_msg;
}
$conn = get_connection();
$stmt = $conn->prepare('UPDATE user SET email = ? WHERE user_id = ?');
$stmt->bind_param('si', $new_email, $user_id);
$stmt->execute();
}
function update_username_form()
{
$form = '
<div class="form_card">
<h5 class="underline">Update Username</h5>
<span class="modal_close">&times;</span>
<form method="post">
<input type="hidden" name="form_id" value="update_username_form">
<input type="hidden" name="user_id" value="' . $_GET['user_id'] . '">
<label for="new_username">New Username</label>
<input id="new_username" name="new_username" required>
<label for="verify_new_username">Verify New Username</label>
<input id="verify_new_username" name="verify_new_username" required>
<input type="submit" class="button" value="Update Username">
</form>
</div>
';
return $form;
}
function update_username($user_id, $new_username, $verify_new_username)
{
if ($new_username != $verify_new_username) {
$error_msg = '
<div class="error">
Usernames do not match!
</div>
';
return $error_msg;
}
$conn = get_connection();
$stmt = $conn->prepare('SELECT username FROM user WHERE username = ?');
$stmt->bind_param('s', $new_username);
$stmt->execute();
$result = $stmt->get_result()->fetch_assoc();
if ($result != null) {
$error_msg = '
<div class="error">
Usernames is taken!
</div>
';
return $error_msg;
}
$stmt = $conn->prepare('UPDATE user SET username = ? WHERE user_id = ?');
$stmt->bind_param('si', $new_username, $user_id);
$stmt->execute();
}
function request_role_change_form()
{
$conn = get_connection();
$result = $conn->query('SELECT * FROM roles WHERE role_id <> 1');
$roles = '<div class="checkboxes">';
while ($row = $result->fetch_assoc()) {
$roles .= '
<label class="form_checkbox_container">' . $row['role'] . '
<input name="requested_role" value="' . $row['role_id'] . '" type="checkbox"' . ($row['role_id'] == $_COOKIE['role_id'] ? ' checked' : '') . '>
<span class="checkmark"></span>
</label>
';
}
$roles .= '</div>';
$form = '
<div class="form_card">
<h5 class="underline">Request Role</h5>
<span class="modal_close">&times;</span>
<form method="post">
<input type="hidden" name="form_id" value="request_role_form">
' . $roles . '
<input type="submit" class="button" value="Request Role">
</form>
</div>
';
return $form;
}
function request_role_change($user_id, $new_role_id)
{
// TODO: Need to implement email handler first.
}
function delete_account_form()
{
$form = '
<div class="form_card">
<h5 class="underline">Delete Account</h5>
<span class="modal_close">&times;</span>
<form method="post">
<input type="hidden" name="form_id" value="delete_account_form">
<input type="hidden" name="user_id" value="' . $_GET['user_id'] . '">
<label for="delete_password">Password</label>
<input id="delete_password" name="delete_password" type="password" required>
<label for="delete_verify_password">Verify Password</label>
<input id="delete_verify_password" name="delete_verify_password" type="password" required>
<input type="submit" class="button" value="Delete Account">
</form>
</div>
';
return $form;
}
function delete_account($user_id, $password = null, $verify_password = null)
{
if ($user_id == 2025) {
$error_msg = '
<div class="error">
I am the owner, and I cannot delete myself...
</div>
';
return $error_msg;
}
if ($password != $verify_password) {
$error_msg = '
<div class="error">
Passwords do not match!
</div>
';
return $error_msg;
}
$conn = get_connection();
if ($password && $verify_password) {
$password_hash = hash('sha256', $password);
$stmt = $conn->prepare('SELECT user_id, profile_picture FROM user WHERE user_id = ? AND password_hash = ?');
$stmt->bind_param('is', $user_id, $password_hash);
$stmt->execute();
$user = $stmt->get_result()->fetch_assoc();
if ($user == null) {
$error_msg = '
<div class="error">
Username and/or Password are invalid!
</div>
';
return $error_msg;
}
// Hardcoded prevention of deleting the owner's profile picture
if (!empty($user['profile_picture']) && $user['profile_picture'] != '2025.jpg')
delete_file($_ENV['PROFILE_IMAGES_FQ_PATH'] . $user['profile_picture']);
$stmt = 'DELETE FROM user WHERE user_id = ' . $user_id . ';';
$stmt = $conn->prepare('DELETE FROM user WHERE user_id = ?');
$stmt->bind_param('i', $user_id);
$stmt->execute();
logout();
} else if ($_COOKIE['role_id'] <= 2) {
$stmt = $conn->prepare('SELECT user_id, profile_picture FROM user WHERE user_id = ?');
$stmt->bind_param('i', $user_id);
$stmt->execute();
$user = $stmt->get_result()->fetch_assoc();
if ($user['user_id'] == 2025) {
$error_msg = '
<div class="error">
Cannot delete the owner!
</div>
';
return $error_msg;
}
// Hardcoded prevention of deleting the owner's profile picture
if (!empty($user['profile_picture']) && $user['profile_picture'] != '2025.jpg')
delete_file($_ENV['PROFILE_IMAGES_FQ_PATH'] . $user['profile_picture']);
$stmt = 'DELETE FROM user WHERE user_id = ' . $user_id . ';';
$stmt = $conn->prepare('DELETE FROM user WHERE user_id = ?');
$stmt->bind_param('i', $user_id);
$stmt->execute();
}
}
function user_view($user_id)
{
$conn = get_connection();
$stmt = $conn->prepare('SELECT user_id, username, email, role_id, created_at, last_active, is_active, profile_picture FROM user WHERE user_id = ?');
$stmt->bind_param('i', $user_id);
$stmt->execute();
$user = $stmt->get_result()->fetch_assoc();
if ($user == null)
header('Location: articles.php');
$view = '
<div class="user_view">
<div class="row">
<h1>' . $user['username'] . '</h1>
<div class="card_pic_box">
<img src="' . $_ENV['PROFILE_IMAGES_PQ_PATH'] . $user['profile_picture'] . '" class="profile_picture" />
</div>
</div>
<div class="line"></div>
';
// TODO: Need to setup an email handler.
// <a class="modal_button underline">Request Role</a>
// <div id="request_role_form" class="modal_form">' . request_role_change_form() . '</div>
if ((isset($_COOKIE['user_id']) && $_COOKIE['user_id'] == $user_id) || (isset($_COOKIE['role_id']) && $_COOKIE['role_id'] <= 2)) {
$view .= '
<h3>User Actions</h3>
<div class="user_actions">
<button id="reset_pw_form_button" class="modal_button underline">Reset Password</button>
<button id="update_email_form_button" class="modal_button underline">Update Email</button>
<button id="update_username_form_button" class="modal_button underline">Update Username</button>
<button id="delete_account_form_button" class="modal_button underline">Delete Account</button>
</div>
<div id="user_actions_modal" class="modal">
<div id="modal_content"></div>
</div>
<div style="display: none;">
<div id="reset_pw_form" class="modal_form">' . reset_pw_form() . '</div>
<div id="update_email_form" class="modal_form">' . update_email_form() . '</div>
<div id="update_username_form" class="modal_form">' . update_username_form() . '</div>
<div id="delete_account_form" class="modal_form">' . delete_account_form() . '</div>
</div>
</div>
';
} else {
$ids = articles_ids_by_author($_GET['user_id']);
$view .= '
<div class="article_cards">
';
foreach ($ids as $id)
$view .= article_card($id);
$view .= '</div>';
}
return $view;
}