added admin page + json

admin/admin.css

@@ -0,0 +1,96 @@
+body {
+    font-family: Arial, sans-serif;
+    background: linear-gradient(135deg, #1f2933, #3a4a5a);
+    margin: 0;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    min-height: 100vh;
+    color: #333;
+}
+
+.card {
+    background: white;
+    padding: 30px;
+    border-radius: 12px;
+    width: 900px;
+    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
+}
+
+h1 {
+    text-align: center;
+    margin-top: 0;
+}
+
+table {
+    width: 100%;
+    border-collapse: collapse;
+    margin-top: 15px;
+}
+
+th {
+    background: #4CAF50;
+    color: white;
+    padding: 10px;
+}
+
+td {
+    padding: 10px;
+    border-bottom: 1px solid #ddd;
+}
+
+.inactive {
+    background: #eee;
+    color: #888;
+}
+
+.button {
+    background: #4CAF50;
+    color: white;
+    padding: 8px 14px;
+    border-radius: 6px;
+    text-decoration: none;
+}
+
+.button.red {
+    background: #d9534f;
+}
+
+.test-result {
+    margin-left: 10px;
+    font-weight: bold;
+}
+
+.form-row {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    flex-wrap: wrap;
+}
+
+.form-row input[type="text"] {
+    width: 260px;   /* pick what looks good */
+}
+
+form input[type="text"],
+form input[type="url"] {
+    width: 100%;
+    margin-bottom: 10px;
+}
+
+.form-row input[type="text"] {
+    width: auto;
+    margin-bottom: 0;
+}
+
+.form-row input.printer-name {
+    width: 180px;
+}
+
+.form-row input[name="url"] {
+    width: 200px;
+}
+
+.form-row input[name="apiKey"] {
+    width: 260px;
+}

admin/auth.php

@@ -0,0 +1,58 @@
+<?php
+session_start();
+
+$password = '{{ 3dps_auth_password }}';
+$ip_allowlist = explode(',', '{{ 3dps_allowed_ips }}');
+$ip_allowlist = array_map('trim', $ip_allowlist);
+$client_ip = $_SERVER['REMOTE_ADDR'];
+
+function ip_allowed($client_ip, $allowlist) {
+
+    foreach ($allowlist as $rule) {
+
+        // CIDR
+        if (strpos($rule, '/') !== false) {
+            [$subnet, $mask] = explode('/', $rule);
+
+            if ((ip2long($client_ip) & ~((1 << (32 - $mask)) - 1)) == ip2long($subnet)) {
+                return true;
+            }
+        }
+
+        // exact match
+        if ($client_ip === $rule) {
+            return true;
+        }
+
+        // prefix match (partial IP like 10.0.0.)
+        if (str_ends_with($rule, '.') && str_starts_with($client_ip, $rule)) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+if (ip_allowed($client_ip, $ip_allowlist)) {
+    $_SESSION['logged_in'] = true;
+    header('Location: index.php');
+    exit;
+}else {
+    die('Access denied (not on local network)');
+}
+
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    if ($_POST['password'] === $password) {
+        $_SESSION['logged_in'] = true;
+        header('Location: index.php');
+        exit;
+    }
+}
+
+?>
+<form method="post">
+    <h2>Admin Login</h2>
+    <input type="password" name="password" placeholder="Password">
+    <button type="submit">Login</button>
+</form>

admin/delete.php

@@ -0,0 +1,16 @@
+<?php
+require 'protect.php';
+
+$file = __DIR__ . '/../../private/printers.json';
+$printers = json_decode(file_get_contents($file), true);
+$cacheFile = '/tmp/printer_data_cache.json'; // Set the cache file path
+
+$id = $_GET['id'];
+unset($printers[$id]);
+
+file_put_contents($file, json_encode(array_values($printers), JSON_PRETTY_PRINT));
+if (file_exists($cacheFile)) {
+    unlink($cacheFile);
+}
+
+header('Location: index.php');

admin/edit.php

@@ -0,0 +1,152 @@
+<?php
+require 'protect.php';
+
+$file = __DIR__ . '/../../private/printers.json';
+$printers = json_decode(file_get_contents($file), true);
+$cacheFile = '/tmp/printer_data_cache.json'; // Set the cache file path
+
+$id = $_GET['id'] ?? null;
+
+$printer = $printers[$id] ?? [
+    'printerName' => '',
+    'url' => '',
+    'apiKey' => '',
+    'active' => true
+];
+
+function getPrinterName($url, $apiKey) {
+
+    $base = rtrim($url, '/');
+
+    $opts = [
+        "http" => [
+            "method" => "GET",
+            "header" => "X-Api-Key: $apiKey\r\n",
+            "timeout" => 5
+        ]
+    ];
+
+    $context = stream_context_create($opts);
+    $json = @file_get_contents($base . '/api/settings', false, $context);
+
+
+    if ($json === false) {
+        error_log("API FAILED: " . $base . "/api/settings");
+        return '';
+    }
+
+    $data = json_decode($json, true);
+
+    return $data['appearance']['name'] ?? '';
+}
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+
+    // ALWAYS take values from the form first
+    $url    = $_POST['url'] ?? '';
+    $apiKey = $_POST['apiKey'] ?? '';
+
+    // Fetch live name using the POSTed values
+    $printerName = getPrinterName($url, $apiKey);
+
+    // If editing and API failed → keep existing name
+    if ($id !== null && empty($printerName) && !empty($printers[$id]['printerName'])) {
+        $printerName = $printers[$id]['printerName'];
+    }
+
+    // If adding and API failed → stop
+    if ($id === null && empty($printerName)) {
+        die("Could not contact printer API.");
+    }
+
+    // Build data from POST (THIS IS CORRECT)
+    $data = [
+        'printerName' => $printerName,
+        'url'         => $url,
+        'apiKey'      => $apiKey,
+        'active'      => isset($_POST['active'])
+    ];
+
+    // Save
+    if ($id !== null) {
+        $printers[$id] = $data;
+    } else {
+        $printers[] = $data;
+    }
+
+    file_put_contents($file, json_encode($printers, JSON_PRETTY_PRINT));
+
+    if (file_exists($cacheFile)) {
+        unlink($cacheFile);
+    }
+
+    header('Location: index.php');
+    exit;
+}
+?>
+
+<link rel="stylesheet" href="admin.css">
+
+<div class="card">
+
+<h1><?= $id !== null ? "Edit Printer" : "Add Printer" ?></h1>
+
+<form method="post">
+
+<div class="form-row">
+  <?php if ($id !== null && !empty($printer['printerName'])): ?>
+    <input class="printer-name" value="<?= htmlspecialchars($printer['printerName']) ?>" readonly>
+  <?php endif; ?>
+
+  <input type="text" name="url"
+         value="<?= htmlspecialchars($printer['url'] ?? '') ?>"
+         placeholder="Octoprint URL">
+
+  <input type="text" name="apiKey"
+         value="<?= htmlspecialchars($printer['apiKey'] ?? '') ?>"
+         placeholder="API Key">
+
+  <button type="button" id="test-connection">Test Connection</button>
+  <span id="test-result"></span>
+
+  <label>
+    <input type="checkbox" name="active" <?= $printer['active'] ? 'checked' : '' ?>>
+    Active
+  </label>
+</div>
+
+<br><br>
+
+<button class="button">Save</button>
+
+</form>
+
+</div>
+
+<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
+
+<script>
+$('#test-connection').click(function () {
+
+    let url = $('input[name="url"]').val();
+    let key = $('input[name="apiKey"]').val();
+
+    $('#test-result').text('Testing...');
+
+    $.post('test_printer.php', {
+        url: url,
+        apiKey: key
+    }, function (res) {
+
+        if (res.success) {
+            $('#test-result').html('<span style="color:green;">Succeeded</span>');
+	    $('#printerName').val(res.name);
+        } else {
+            $('#test-result').html('<span style="color:red;">Failed</span>');
+        }
+
+    }, 'json');
+
+});
+</script>
+