🏗️(caldav) migrate from davical to sabre/dav

docker/sabredav/server.php

@@ -0,0 +1,79 @@
+<?php
+/**
+ * sabre/dav CalDAV Server
+ * Configured to use PostgreSQL backend and Apache authentication
+ */
+
+use Sabre\DAV\Auth;
+use Sabre\DAVACL;
+use Sabre\CalDAV;
+use Sabre\CardDAV;
+use Sabre\DAV;
+use Calendars\SabreDav\AutoCreatePrincipalBackend;
+
+// Composer autoloader
+require_once __DIR__ . '/vendor/autoload.php';
+
+// Set REMOTE_USER from X-Forwarded-User header (set by Django proxy)
+// This allows sabre/dav Apache auth backend to work with proxied requests
+if (isset($_SERVER['HTTP_X_FORWARDED_USER']) && !isset($_SERVER['REMOTE_USER'])) {
+    $_SERVER['REMOTE_USER'] = $_SERVER['HTTP_X_FORWARDED_USER'];
+}
+
+// Get base URI from environment variable (set by compose.yaml)
+// This ensures sabre/dav generates URLs with the correct proxy path
+$baseUri = getenv('CALENDARS_BASE_URI') ?: '/';
+
+// Database connection from environment variables
+$dbHost = getenv('PGHOST') ?: 'postgresql';
+$dbPort = getenv('PGPORT') ?: '5432';
+$dbName = getenv('PGDATABASE') ?: 'calendars';
+$dbUser = getenv('PGUSER') ?: 'pgroot';
+$dbPass = getenv('PGPASSWORD') ?: 'pass';
+
+// Create PDO connection
+$pdo = new PDO(
+    "pgsql:host={$dbHost};port={$dbPort};dbname={$dbName}",
+    $dbUser,
+    $dbPass,
+    [
+        PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+        PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+    ]
+);
+
+// Create backend
+$authBackend = new Auth\Backend\Apache();
+
+// Create authentication plugin
+$authPlugin = new Auth\Plugin($authBackend);
+
+// Create CalDAV backend
+$caldavBackend = new CalDAV\Backend\PDO($pdo);
+
+// Create CardDAV backend (optional, for future use)
+$carddavBackend = new CardDAV\Backend\PDO($pdo);
+
+// Create principal backend with auto-creation support
+$principalBackend = new AutoCreatePrincipalBackend($pdo);
+
+// Create directory tree
+$nodes = [
+    new CalDAV\Principal\Collection($principalBackend),
+    new CalDAV\CalendarRoot($principalBackend, $caldavBackend),
+    new CardDAV\AddressBookRoot($principalBackend, $carddavBackend),
+];
+
+// Create server
+$server = new DAV\Server($nodes);
+$server->setBaseUri($baseUri);
+
+// Add plugins
+$server->addPlugin($authPlugin);
+$server->addPlugin(new CalDAV\Plugin());
+$server->addPlugin(new CardDAV\Plugin());
+$server->addPlugin(new DAVACL\Plugin());
+$server->addPlugin(new DAV\Browser\Plugin());
+
+// Start server
+$server->start();