From 132b5818926cbe5e2c39cde1f4aea2e2785bf449 Mon Sep 17 00:00:00 2001
From: Terranom674 <thomas_dannenberg@web.de>
Date: Mon, 17 Aug 2026 07:41:26 +0200
Subject: [PATCH] Add read-only NC connector status detection

---
 include/nc_connector.inc.php | 134 +++++++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 include/nc_connector.inc.php

diff --git a/include/nc_connector.inc.php b/include/nc_connector.inc.php
new file mode 100644
index 0000000..03c5fef
--- /dev/null
+++ b/include/nc_connector.inc.php
@@ -0,0 +1,134 @@
+<?php
+if (!defined('PHPWG_ROOT_PATH'))
+{
+  die('Hacking attempt!');
+}
+
+/**
+ * Read the existing piwigo-sync configuration without executing it.
+ *
+ * Phase 1 of the NC Connector is intentionally read-only: it observes the
+ * installation created by Proxmox_Scripts but does not change credentials,
+ * PostgreSQL views, systemd units, sync state or the gallery tree.
+ */
+function bratonien_tools_nc_connector_read_config($path)
+{
+  $config = array();
+
+  if (!is_readable($path))
+  {
+    return $config;
+  }
+
+  $lines = @file($path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+  if (!is_array($lines))
+  {
+    return $config;
+  }
+
+  foreach ($lines as $line)
+  {
+    $line = trim($line);
+    if ($line === '' || $line[0] === '#')
+    {
+      continue;
+    }
+
+    if (!preg_match('/^([A-Z0-9_]+)=(.*)$/', $line, $matches))
+    {
+      continue;
+    }
+
+    $value = trim($matches[2]);
+    $length = strlen($value);
+    if ($length >= 2)
+    {
+      $first = $value[0];
+      $last = $value[$length - 1];
+      if (($first === '"' && $last === '"') || ($first === "'" && $last === "'"))
+      {
+        $value = substr($value, 1, -1);
+      }
+    }
+
+    $config[$matches[1]] = $value;
+  }
+
+  return $config;
+}
+
+function bratonien_tools_nc_connector_status()
+{
+  $config_path = '/etc/piwigo-sync/piwigo.conf';
+  $config_exists = is_file($config_path);
+  $config_readable = is_readable($config_path);
+  $config = bratonien_tools_nc_connector_read_config($config_path);
+
+  $required = array('NC_DB_HOST', 'NC_DB_PORT', 'NC_DB_NAME', 'NC_DB_USER', 'NC_DB_VIEW');
+  $missing = array();
+  foreach ($required as $key)
+  {
+    if (!isset($config[$key]) || trim((string)$config[$key]) === '')
+    {
+      $missing[] = $key;
+    }
+  }
+
+  $password_file = isset($config['NC_DB_PASSWORD_FILE']) ? (string)$config['NC_DB_PASSWORD_FILE'] : '';
+  $status_file = isset($config['STATUS_FILE']) && $config['STATUS_FILE'] !== ''
+    ? (string)$config['STATUS_FILE']
+    : '/var/lib/piwigo-sync/status.json';
+
+  $sync_status = array(
+    'available' => false,
+    'state' => '',
+    'message' => '',
+    'timestamp' => 0,
+    'time_label' => '',
+  );
+
+  if (is_readable($status_file))
+  {
+    $raw_status = @file_get_contents($status_file);
+    $decoded = is_string($raw_status) ? json_decode($raw_status, true) : null;
+    if (is_array($decoded))
+    {
+      $timestamp = isset($decoded['timestamp']) ? (int)$decoded['timestamp'] : 0;
+      $sync_status = array(
+        'available' => true,
+        'state' => isset($decoded['state']) ? (string)$decoded['state'] : '',
+        'message' => isset($decoded['message']) ? (string)$decoded['message'] : '',
+        'timestamp' => $timestamp,
+        'time_label' => $timestamp > 0 ? date('d.m.Y H:i:s', $timestamp) : '',
+      );
+    }
+  }
+
+  $detected = $config_readable && empty($missing);
+
+  return array(
+    'phase' => 'Beobachtung',
+    'readonly' => true,
+    'detected' => $detected,
+    'config_path' => $config_path,
+    'config_exists' => $config_exists,
+    'config_readable' => $config_readable,
+    'missing' => $missing,
+    'host' => isset($config['NC_DB_HOST']) ? (string)$config['NC_DB_HOST'] : '',
+    'port' => isset($config['NC_DB_PORT']) ? (string)$config['NC_DB_PORT'] : '',
+    'database' => isset($config['NC_DB_NAME']) ? (string)$config['NC_DB_NAME'] : '',
+    'user' => isset($config['NC_DB_USER']) ? (string)$config['NC_DB_USER'] : '',
+    'view' => isset($config['NC_DB_VIEW']) ? (string)$config['NC_DB_VIEW'] : '',
+    'password_file' => $password_file,
+    'password_file_exists' => $password_file !== '' && is_file($password_file),
+    'password_file_readable' => $password_file !== '' && is_readable($password_file),
+    'gallery_root' => isset($config['GALLERY_ROOT']) ? (string)$config['GALLERY_ROOT'] : '',
+    'state_dir' => isset($config['STATE_DIR']) ? (string)$config['STATE_DIR'] : '',
+    'status_file' => $status_file,
+    'sync_enabled' => isset($config['PIWIGO_SYNC_ENABLED']) && (string)$config['PIWIGO_SYNC_ENABLED'] === '1',
+    'quiet_seconds' => isset($config['QUIET_SECONDS']) ? (string)$config['QUIET_SECONDS'] : '',
+    'max_wait_seconds' => isset($config['MAX_WAIT_SECONDS']) ? (string)$config['MAX_WAIT_SECONDS'] : '',
+    'full_sync_seconds' => isset($config['FULL_SYNC_SECONDS']) ? (string)$config['FULL_SYNC_SECONDS'] : '',
+    'sync_status' => $sync_status,
+  );
+}