402 lines
14 KiB
PHP
402 lines
14 KiB
PHP
<?php
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session_start();
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error_reporting(E_ALL);
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ini_set('display_errors', 1);
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use PHPMailer\PHPMailer\PHPMailer;
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use PHPMailer\PHPMailer\SMTP;
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use PHPMailer\PHPMailer\Exception;
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require_once 'phpmailer/src/Exception.php';
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require_once 'phpmailer/src/PHPMailer.php';
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require_once 'phpmailer/src/SMTP.php';
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define('DB_HOST', 'HOST');
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define('DB_NAME', 'NAME');
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define('DB_USER', 'USER');
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define('DB_PASS', 'PASS');
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define('SITE_URL', 'WEB');
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define('SITE_NAME', 'SITE');
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define('MAX_FILE_SIZE', 5 * 1024 * 1024);
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define('ALLOWED_TYPES', ['jpg', 'jpeg', 'png', 'gif', 'webp']);
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define('API_KEY_LENGTH', 32);
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define('SMTP_HOST', 'EHOST');
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define('SMTP_PORT', NUM);
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define('SMTP_USERNAME', 'EUSER');
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define('SMTP_PASSWORD', 'PASS');
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define('SMTP_FROM_EMAIL', 'FUSER');
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define('SMTP_FROM_NAME', 'FNAME');
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define('SMTP_SECURE', 'SECURE');
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define('SMTP_DEBUG', false);
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define('BING_API_URL', 'https://www.bing.com/HPImageArchive.aspx?format=js&idx=0&n=1&mkt=zh-CN');
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define('CAPTCHA_ENABLED', true);
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define('PASSWORD_RESET_EXPIRE', 3600);
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define('DEFAULT_LANGUAGE', 'zh-CN');
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$supported_languages = ['zh-CN', 'en'];
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try {
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$pdo = new PDO("mysql:host=" . DB_HOST . ";dbname=" . DB_NAME . ";charset=utf8mb4", DB_USER, DB_PASS);
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$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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} catch(PDOException $e) {
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die("数据库连接失败: " . $e->getMessage());
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}
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if (!file_exists('uploads')) {
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mkdir('uploads', 0755, true);
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file_put_contents('uploads/index.html', '');
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file_put_contents('uploads/.htaccess', 'Deny from all');
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}
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if (!file_exists('languages')) mkdir('languages', 0755, true);
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if (!file_exists('admin')) mkdir('admin', 0755, true);
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if (!file_exists('components')) mkdir('components', 0755, true);
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if (!file_exists('api')) mkdir('api', 0755, true);
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function getLanguage() {
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global $supported_languages;
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if (isset($_SESSION['language'])) {
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return $_SESSION['language'];
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}
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if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
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$browser_lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
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if ($browser_lang === 'zh') return 'zh-CN';
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if ($browser_lang === 'en') return 'en';
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}
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return DEFAULT_LANGUAGE;
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}
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function loadLanguage($lang) {
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$lang_file = "languages/{$lang}.php";
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if (file_exists($lang_file)) {
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return include $lang_file;
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}
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return include "languages/" . DEFAULT_LANGUAGE . ".php";
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}
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$lang = getLanguage();
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$translations = loadLanguage($lang);
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$_SESSION['language'] = $lang;
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function t($key) {
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global $translations;
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return $translations[$key] ?? $key;
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}
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function getUserSettings($user_id) {
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global $pdo;
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$stmt = $pdo->prepare("SELECT * FROM user_settings WHERE user_id = ?");
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$stmt->execute([$user_id]);
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$settings = $stmt->fetch(PDO::FETCH_ASSOC);
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if (!$settings) {
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$stmt = $pdo->prepare("INSERT INTO user_settings (user_id) VALUES (?)");
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$stmt->execute([$user_id]);
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return [
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'dark_mode' => false,
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'language' => 'zh-CN',
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'items_per_page' => 20,
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'email_notifications' => true,
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'browser_notifications' => true
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];
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}
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return $settings;
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}
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function updateUserSettings($user_id, $settings) {
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global $pdo;
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$stmt = $pdo->prepare("INSERT INTO user_settings (user_id, dark_mode, language, items_per_page, email_notifications, browser_notifications)
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VALUES (?, ?, ?, ?, ?, ?)
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ON DUPLICATE KEY UPDATE
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dark_mode = VALUES(dark_mode),
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language = VALUES(language),
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items_per_page = VALUES(items_per_page),
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email_notifications = VALUES(email_notifications),
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browser_notifications = VALUES(browser_notifications)");
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return $stmt->execute([
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$user_id,
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$settings['dark_mode'] ? 1 : 0,
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$settings['language'],
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$settings['items_per_page'],
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$settings['email_notifications'] ? 1 : 0,
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$settings['browser_notifications'] ? 1 : 0
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]);
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}
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function getUserNotificationSettings($user_id) {
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global $pdo;
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$stmt = $pdo->prepare("SELECT nt.name, uns.enabled FROM user_notification_settings uns
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JOIN notification_types nt ON uns.notification_type_id = nt.id
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WHERE uns.user_id = ?");
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$stmt->execute([$user_id]);
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$settings = $stmt->fetchAll(PDO::FETCH_KEY_PAIR);
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if (empty($settings)) {
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initUserNotificationSettings($user_id);
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return getUserNotificationSettings($user_id);
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}
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return $settings;
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}
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function initUserNotificationSettings($user_id) {
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global $pdo;
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$stmt = $pdo->prepare("INSERT INTO user_notification_settings (user_id, notification_type_id, enabled)
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SELECT ?, id, TRUE FROM notification_types");
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return $stmt->execute([$user_id]);
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}
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function updateUserNotificationSettings($user_id, $settings) {
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global $pdo;
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foreach ($settings as $type_id => $enabled) {
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$stmt = $pdo->prepare("INSERT INTO user_notification_settings (user_id, notification_type_id, enabled)
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VALUES (?, ?, ?)
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ON DUPLICATE KEY UPDATE enabled = VALUES(enabled)");
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$stmt->execute([$user_id, $type_id, $enabled ? 1 : 0]);
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}
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return true;
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}
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function sendNotification($user_id, $type_name, $title, $message, $related_url = null) {
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global $pdo;
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$stmt = $pdo->prepare("SELECT uns.enabled FROM user_notification_settings uns
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JOIN notification_types nt ON uns.notification_type_id = nt.id
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WHERE uns.user_id = ? AND nt.name = ?");
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$stmt->execute([$user_id, $type_name]);
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$setting = $stmt->fetch(PDO::FETCH_ASSOC);
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if (!$setting || !$setting['enabled']) return false;
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$stmt = $pdo->prepare("SELECT id FROM notification_types WHERE name = ?");
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$stmt->execute([$type_name]);
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$type = $stmt->fetch(PDO::FETCH_ASSOC);
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if (!$type) return false;
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$stmt = $pdo->prepare("INSERT INTO notifications (user_id, type_id, title, message, related_url)
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VALUES (?, ?, ?, ?, ?)");
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return $stmt->execute([$user_id, $type['id'], $title, $message, $related_url]);
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}
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function getUnreadNotificationCount($user_id) {
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global $pdo;
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$stmt = $pdo->prepare("SELECT COUNT(*) as count FROM notifications WHERE user_id = ? AND is_read = FALSE");
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$stmt->execute([$user_id]);
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return $stmt->fetch(PDO::FETCH_ASSOC)['count'];
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}
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function getUserNotifications($user_id, $limit = 10) {
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global $pdo;
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$stmt = $pdo->prepare("SELECT n.*, nt.name as type_name FROM notifications n
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JOIN notification_types nt ON n.type_id = nt.id
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WHERE n.user_id = ?
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ORDER BY n.created_at DESC
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LIMIT ?");
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$stmt->bindValue(1, $user_id, PDO::PARAM_INT);
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$stmt->bindValue(2, $limit, PDO::PARAM_INT);
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$stmt->execute();
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return $stmt->fetchAll(PDO::FETCH_ASSOC);
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}
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function generateRandomString($length = 10) {
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return substr(str_shuffle(str_repeat($x = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
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ceil($length / strlen($x)))), 1, $length);
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}
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function formatFileSize($bytes) {
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if ($bytes >= 1073741824) return number_format($bytes / 1073741824, 2) . ' GB';
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elseif ($bytes >= 1048576) return number_format($bytes / 1048576, 2) . ' MB';
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elseif ($bytes >= 1024) return number_format($bytes / 1024, 2) . ' KB';
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else return $bytes . ' bytes';
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}
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function getBingDailyImage() {
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$response = @file_get_contents(BING_API_URL);
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if ($response) {
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$data = json_decode($response, true);
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if ($data && isset($data['images'][0])) {
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$image = $data['images'][0];
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return [
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'url' => 'https://www.bing.com' . $image['url'],
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'title' => $image['title'],
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'copyright' => $image['copyright'],
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'copyrightlink' => $image['copyrightlink']
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];
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}
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}
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return null;
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}
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function sendEmail($to, $subject, $message) {
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$mail = new PHPMailer(true);
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try {
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// 服务器设置
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$mail->isSMTP();
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$mail->Host = SMTP_HOST;
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$mail->SMTPAuth = true;
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$mail->Username = SMTP_USERNAME;
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$mail->Password = SMTP_PASSWORD;
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$mail->SMTPSecure = SMTP_SECURE;
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$mail->Port = SMTP_PORT;
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if (SMTP_DEBUG) {
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$mail->SMTPDebug = SMTP::DEBUG_SERVER;
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}
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// 收件人
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$mail->setFrom(SMTP_FROM_EMAIL, SMTP_FROM_NAME);
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$mail->addAddress($to);
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// 内容
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$mail->isHTML(true);
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$mail->Subject = $subject;
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$mail->Body = $message;
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$mail->AltBody = strip_tags($message);
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return $mail->send();
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} catch (Exception $e) {
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error_log("邮件发送失败: " . $mail->ErrorInfo);
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return false;
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}
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}
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function sendVerificationEmail($email, $username, $verification_code) {
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$verification_link = SITE_URL . "/verify.php?code=" . $verification_code;
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$subject = SITE_NAME . " - 邮箱验证";
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$message = "
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset='utf-8'>
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<style>
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body { font-family: Arial, sans-serif; line-height: 1.6; color: #333; }
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.container { max-width: 600px; margin: 0 auto; padding: 20px; }
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.header { background: #3498db; color: white; padding: 20px; text-align: center; }
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.content { padding: 20px; background: #f9f9f9; }
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.button { display: inline-block; padding: 12px 24px; background: #3498db; color: white; text-decoration: none; border-radius: 5px; }
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.footer { text-align: center; padding: 20px; color: #666; }
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</style>
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</head>
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<body>
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<div class='container'>
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<div class='header'>
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<h1>" . SITE_NAME . "</h1>
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</div>
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<div class='content'>
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<h2>亲爱的 {$username}，</h2>
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<p>感谢您注册" . SITE_NAME . "图床！</p>
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<p>请点击下面的按钮验证您的邮箱地址：</p>
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<p style='text-align: center;'>
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<a href='{$verification_link}' class='button'>验证邮箱</a>
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</p>
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<p>如果按钮无法点击，请复制以下链接到浏览器地址栏：</p>
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<p><small>{$verification_link}</small></p>
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<p>此验证链接 24 小时内有效。</p>
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</div>
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<div class='footer'>
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<p>© " . date('Y') . " " . SITE_NAME . ". 保留所有权利.</p>
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</div>
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</div>
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</body>
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</html>";
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return sendEmail($email, $subject, $message);
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}
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function sendPasswordResetEmail($email, $username, $token) {
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$reset_link = SITE_URL . "/reset-password.php?token=" . $token;
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$subject = SITE_NAME . " - 密码重置";
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$message = "
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset='utf-8'>
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<style>
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body { font-family: Arial, sans-serif; line-height: 1.6; color: #333; }
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.container { max-width: 600px; margin: 0 auto; padding: 20px; }
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.header { background: #e74c3c; color: white; padding: 20px; text-align: center; }
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.content { padding: 20px; background: #f9f9f9; }
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.button { display: inline-block; padding: 12px 24px; background: #e74c3c; color: white; text-decoration: none; border-radius: 5px; }
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.footer { text-align: center; padding: 20px; color: #666; }
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.warning { background: #fff3cd; border: 1px solid #ffeaa7; padding: 10px; border-radius: 5px; margin: 15px 0; }
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</style>
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</head>
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<body>
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<div class='container'>
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<div class='header'>
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<h1>" . SITE_NAME . " - 密码重置</h1>
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</div>
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<div class='content'>
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<h2>亲爱的 {$username}，</h2>
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<p>我们收到了您重置密码的请求。</p>
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<p>请点击下面的按钮重置您的密码：</p>
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<p style='text-align: center;'>
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<a href='{$reset_link}' class='button'>重置密码</a>
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</p>
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<p>如果按钮无法点击，请复制以下链接到浏览器地址栏：</p>
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<p><small>{$reset_link}</small></p>
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<div class='warning'>
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<strong>注意：</strong>此链接在 <font color='red'>1</font> 小时内有效。如果您没有请求重置密码，请忽略此邮件。
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</div>
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</div>
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<div class='footer'>
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<p>© " . date('Y') . " " . SITE_NAME . ". 保留所有权利.</p>
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</div>
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</div>
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</body>
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</html>";
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return sendEmail($email, $subject, $message);
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}
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function sendEmailNotification($user_id, $subject, $message) {
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global $pdo;
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// 获取用户邮箱和设置
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$stmt = $pdo->prepare("
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SELECT u.email, us.email_notifications
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FROM users u
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LEFT JOIN user_settings us ON u.id = us.user_id
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WHERE u.id = ?
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");
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$stmt->execute([$user_id]);
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$user = $stmt->fetch(PDO::FETCH_ASSOC);
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if (!$user || !$user['email_notifications']) {
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return false;
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}
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return sendEmail($user['email'], $subject, $message);
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}
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$currentUserSettings = isset($_SESSION['user_id']) ? getUserSettings($_SESSION['user_id']) : [
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'dark_mode' => false,
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'language' => $lang,
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'items_per_page' => 20,
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'email_notifications' => true,
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'browser_notifications' => true
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];
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if (!isset($_SESSION['user_id'])) {
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$currentUserSettings['dark_mode'] = isset($_COOKIE['dark_mode']) ? (bool)$_COOKIE['dark_mode'] : false;
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$currentUserSettings['language'] = $lang;
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}
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?>
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