136 lines
4.7 KiB
PHP
136 lines
4.7 KiB
PHP
<?php
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class Util {
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public static function escape_and_linkify(string $text): string {
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// escape dangerous characters, but preserve quotes
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$safe = htmlspecialchars($text, ENT_NOQUOTES | ENT_HTML5, 'UTF-8');
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// convert URLs to links
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$safe = preg_replace_callback(
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'~(https?://[^\s<>"\'()]+)~i',
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fn($matches) => '<a href="' . htmlspecialchars($matches[1], ENT_QUOTES, 'UTF-8') . '" target="_blank" rel="noopener noreferrer">' . $matches[1] . '</a>',
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$safe
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);
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return $safe;
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}
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// For relative time display, compare the stored time to the current time
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// and display it as "X second/minutes/hours/days etc. "ago
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public static function relative_time(string $tickTime): string {
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$datetime = new DateTime($tickTime);
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$now = new DateTime('now', $datetime->getTimezone());
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$diff = $now->diff($datetime);
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if ($diff->y > 0) {
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return $diff->y . ' year' . ($diff->y > 1 ? 's' : '') . ' ago';
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}
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if ($diff->m > 0) {
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return $diff->m . ' month' . ($diff->m > 1 ? 's' : '') . ' ago';
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}
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if ($diff->d > 0) {
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return $diff->d . ' day' . ($diff->d > 1 ? 's' : '') . ' ago';
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}
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if ($diff->h > 0) {
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return $diff->h . ' hour' . ($diff->h > 1 ? 's' : '') . ' ago';
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}
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if ($diff->i > 0) {
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return $diff->i . ' minute' . ($diff->i > 1 ? 's' : '') . ' ago';
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}
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return $diff->s . ' second' . ($diff->s != 1 ? 's' : '') . ' ago';
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}
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public static function verify_data_dir(string $dir, bool $allow_create = false): void {
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if (!is_dir($dir)) {
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if ($allow_create) {
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if (!mkdir($dir, 0770, true)) {
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http_response_code(500);
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echo "Failed to create required directory: $dir";
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exit;
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}
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} else {
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http_response_code(500);
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echo "Required directory does not exist: $dir";
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exit;
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}
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}
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if (!is_writable($dir)) {
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http_response_code(500);
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echo "Directory is not writable: $dir";
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exit;
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}
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}
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// Verify that setup is complete (i.e. the databse is populated).
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// Redirect to setup.php if it isn't.
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public static function confirm_setup(): void {
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$db = Util::get_db();
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// Ensure required tables exist
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$db->exec("CREATE TABLE IF NOT EXISTS user (
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id INTEGER PRIMARY KEY,
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username TEXT NOT NULL,
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display_name TEXT NOT NULL,
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password_hash TEXT NULL,
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about TEXT NULL,
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website TEXT NULL,
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mood TEXT NULL
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)");
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$db->exec("CREATE TABLE IF NOT EXISTS settings (
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id INTEGER PRIMARY KEY,
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site_title TEXT NOT NULL,
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site_description TEXT NULL,
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base_url TEXT NOT NULL,
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base_path TEXT NOT NULL,
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items_per_page INTEGER NOT NULL
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)");
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// See if there's any data in the tables
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$user_count = (int) $db->query("SELECT COUNT(*) FROM user")->fetchColumn();
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$settings_count = (int) $db->query("SELECT COUNT(*) FROM settings")->fetchColumn();
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$config = ConfigModel::load();
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// If either table has no records and we aren't on /admin
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if ($user_count === 0 || $settings_count === 0){
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if (basename($_SERVER['PHP_SELF']) !== 'admin'){
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header('Location: ' . $config->basePath . 'admin');
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exit;
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}
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};
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/*
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else {
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// If setup is complete and we are on setup.php, redirect to index.php.
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if (basename($_SERVER['PHP_SELF']) === 'admin'){
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header('Location: ' . $config->basePath);
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exit;
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}
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};
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*/
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}
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public static function tick_time_to_tick_path($tickTime){
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[$date, $time] = explode(' ', $tickTime);
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$dateParts = explode('-', $date);
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$timeParts = explode(':', $time);
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[$year, $month, $day] = $dateParts;
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[$hour, $minute, $second] = $timeParts;
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return "$year/$month/$day/$hour/$minute/$second";
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}
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public static function get_db(): PDO {
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Util::verify_data_dir(DATA_DIR, true);
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try {
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$db = new PDO("sqlite:" . DB_FILE);
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$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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$db->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
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} catch (PDOException $e) {
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die("Database connection failed: " . $e->getMessage());
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}
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return $db;
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}
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} |