David Dyer
242c5165e1
- Added role-based access control for user management links in admin navigation. - Improved user account display with a dedicated account link. - Implemented form submission confirmation for delete actions in the admin interface. - Introduced a password visibility toggle on the login page. - Added login throttling to prevent brute-force attacks, recording failed attempts. - Created a CLI script for creating an admin user, replacing the previous hardcoded admin credentials. - Updated database schema to support login attempt tracking. - Enhanced user editing functionality, allowing role changes with restrictions. - Improved modal handling for user actions, ensuring better focus management. - Added styles for new account management page and improved modal transitions.
105 lines
3.3 KiB
PHP
105 lines
3.3 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* Admin user management helpers.
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*
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* Every read here explicitly selects columns and leaves password_hash
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* out, so it can never accidentally end up in a JSON response or a
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* data-* attribute the way a full row dump would.
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*/
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require_once __DIR__ . '/db.php';
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const MIN_PASSWORD_LENGTH = 12;
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function get_all_users(): array {
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$pdo = get_db();
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$stmt = $pdo->query("SELECT id, username, role, is_enabled, created_at FROM users ORDER BY username ASC");
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return $stmt->fetchAll() ?: [];
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}
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function get_user_by_id(int $id): ?array {
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$pdo = get_db();
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$stmt = $pdo->prepare("SELECT id, username, role, is_enabled, created_at FROM users WHERE id = ?");
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$stmt->execute([$id]);
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$res = $stmt->fetch();
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return $res ?: null;
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}
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function count_users(): int {
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$pdo = get_db();
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return (int) $pdo->query("SELECT COUNT(*) FROM users")->fetchColumn();
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}
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function count_enabled_users(): int {
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$pdo = get_db();
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return (int) $pdo->query("SELECT COUNT(*) FROM users WHERE is_enabled = 1")->fetchColumn();
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}
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function toggle_user_enabled(int $id): bool {
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$pdo = get_db();
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$stmt = $pdo->prepare("UPDATE users SET is_enabled = CASE WHEN is_enabled = 1 THEN 0 ELSE 1 END WHERE id = ?");
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return $stmt->execute([$id]);
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}
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function validate_username(string $username): ?string {
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if ($username === '') {
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return 'Username is required.';
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}
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if (strlen($username) < 3 || strlen($username) > 32) {
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return 'Username must be between 3 and 32 characters.';
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}
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if (!preg_match('/^[a-zA-Z0-9_.-]+$/', $username)) {
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return 'Username can only contain letters, numbers, and . _ -';
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}
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return null;
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}
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function username_exists(string $username, ?int $excludeId = null): bool {
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$pdo = get_db();
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if ($excludeId !== null) {
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$stmt = $pdo->prepare("SELECT 1 FROM users WHERE username = ? AND id != ?");
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$stmt->execute([$username, $excludeId]);
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} else {
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$stmt = $pdo->prepare("SELECT 1 FROM users WHERE username = ?");
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$stmt->execute([$username]);
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}
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return (bool) $stmt->fetchColumn();
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}
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function create_user(string $username, string $password, string $role): int {
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$pdo = get_db();
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$hash = password_hash($password, PASSWORD_DEFAULT);
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$stmt = $pdo->prepare("INSERT INTO users (username, password_hash, role) VALUES (?, ?, ?)");
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$stmt->execute([$username, $hash, $role]);
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return (int) $pdo->lastInsertId();
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}
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function update_user(int $id, string $username, string $role): bool {
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$pdo = get_db();
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$stmt = $pdo->prepare("UPDATE users SET username = ?, role = ? WHERE id = ?");
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return $stmt->execute([$username, $role, $id]);
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}
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function set_user_password(int $id, string $newPassword): bool {
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$pdo = get_db();
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$hash = password_hash($newPassword, PASSWORD_DEFAULT);
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$stmt = $pdo->prepare("UPDATE users SET password_hash = ? WHERE id = ?");
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return $stmt->execute([$hash, $id]);
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}
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function verify_user_password(int $id, string $password): bool {
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$pdo = get_db();
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$stmt = $pdo->prepare("SELECT password_hash FROM users WHERE id = ?");
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$stmt->execute([$id]);
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$hash = $stmt->fetchColumn();
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return is_string($hash) && password_verify($password, $hash);
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}
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function delete_user(int $id): bool {
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$pdo = get_db();
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$stmt = $pdo->prepare("DELETE FROM users WHERE id = ?");
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return $stmt->execute([$id]);
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}
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