100 lines
3.6 KiB
PHP
100 lines
3.6 KiB
PHP
<?php
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// -------------------- KONFIGURATION --------------------
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$valid_user = 'admin';
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$valid_pass = 'supergeheim';
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$allowed_ips = []; // z. B. ['127.0.0.1', '192.168.1.100']; leer = keine Prüfung
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session_start();
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// -------------------- IP-WHITELIST --------------------
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$remote_ip = $_SERVER['REMOTE_ADDR'];
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if (!empty($allowed_ips) && !in_array($remote_ip, $allowed_ips)) {
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http_response_code(403);
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exit("Zugriff verweigert für IP: $remote_ip");
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}
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// -------------------- LOGIN VERARBEITUNG --------------------
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if (isset($_POST['username'], $_POST['password'])) {
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if ($_POST['username'] === $valid_user && $_POST['password'] === $valid_pass) {
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$_SESSION['authenticated'] = true;
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} else {
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$error = "Falscher Benutzername oder Passwort.";
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}
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}
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// -------------------- LOGOUT --------------------
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if (isset($_GET['logout'])) {
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session_destroy();
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header("Location: " . strtok($_SERVER["REQUEST_URI"], '?'));
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exit;
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}
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// -------------------- HTML-AUSGABE --------------------
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?>
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<!DOCTYPE html>
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<html lang="de">
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<head>
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<meta charset="UTF-8">
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<title>OPCache-Verwaltung</title>
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<style>
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body { font-family: sans-serif; background: #f4f4f4; padding: 2em; }
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.box { background: white; padding: 1.5em; max-width: 500px; margin: auto; border-radius: 10px; box-shadow: 0 0 10px #ccc; }
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h1 { font-size: 1.4em; }
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input[type="text"], input[type="password"] { width: 100%; padding: 0.5em; margin-top: 0.3em; }
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input[type="submit"] { padding: 0.6em 1.2em; margin-top: 1em; }
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.button-block { margin-bottom: 1em; }
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.separator { border-top: 1px solid #ccc; margin: 1.5em 0; }
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.status { margin-top: 1em; padding: 1em; background: #eef; border-left: 4px solid #99f; }
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.error { color: red; }
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.logout { float: right; }
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</style>
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</head>
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<body>
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<div class="box">
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<?php if (!isset($_SESSION['authenticated'])): ?>
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<h1>Login zur OPCache-Verwaltung</h1>
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<?php if (!empty($error)): ?><p class="error"><?= htmlspecialchars($error) ?></p><?php endif; ?>
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<form method="post">
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<label>Benutzername:<br><input type="text" name="username" required></label><br><br>
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<label>Passwort:<br><input type="password" name="password" required></label><br>
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<input type="submit" value="Anmelden">
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</form>
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<?php else: ?>
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<div class="logout">
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<a href="?logout=1">Abmelden</a>
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</div>
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<h1>OPCache-Verwaltung</h1>
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<div class="status">
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<?php
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if (function_exists('opcache_get_status') && function_exists('opcache_reset')) {
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$status = @opcache_get_status(false);
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if (!$status || empty($status['opcache_enabled'])) {
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echo "ℹ️ OPCache ist installiert, aber aktuell nicht aktiviert.";
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} else {
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echo "✅ OPCache ist aktiviert.<br>";
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// Zeige Button nur wenn aktiv
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echo '<form method="post" class="button-block">';
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echo '<input type="submit" name="clear" value="OPCache jetzt leeren">';
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echo '</form>';
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if (isset($_POST['clear'])) {
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echo '<div class="separator"></div>';
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if (opcache_reset()) {
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echo "✅ OPCache wurde erfolgreich geleert.";
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} else {
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echo "⚠️ Fehler beim Leeren des OPCache.";
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}
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}
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}
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} else {
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echo "❌ OPCache ist auf diesem Server nicht verfügbar.";
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}
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?>
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</div>
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<?php endif; ?>
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</div>
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</body>
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</html>
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