102 lines
3.2 KiB
PHP
102 lines
3.2 KiB
PHP
<?php
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/**
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* sabre/dav CalDAV Server
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* Configured to use PostgreSQL backend and custom header-based authentication
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*/
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use Sabre\DAV\Auth;
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use Sabre\DAVACL;
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use Sabre\CalDAV;
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use Sabre\CardDAV;
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use Sabre\DAV;
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use Calendars\SabreDav\AutoCreatePrincipalBackend;
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use Calendars\SabreDav\HttpCallbackIMipPlugin;
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use Calendars\SabreDav\ApiKeyAuthBackend;
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// Composer autoloader
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require_once __DIR__ . '/vendor/autoload.php';
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// Get base URI from environment variable (set by compose.yaml)
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// This ensures sabre/dav generates URLs with the correct proxy path
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$baseUri = getenv('CALENDARS_BASE_URI') ?: '/';
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// Database connection from environment variables
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$dbHost = getenv('PGHOST') ?: 'postgresql';
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$dbPort = getenv('PGPORT') ?: '5432';
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$dbName = getenv('PGDATABASE') ?: 'calendars';
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$dbUser = getenv('PGUSER') ?: 'pgroot';
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$dbPass = getenv('PGPASSWORD') ?: 'pass';
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// Create PDO connection
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$pdo = new PDO(
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"pgsql:host={$dbHost};port={$dbPort};dbname={$dbName}",
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$dbUser,
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$dbPass,
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[
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
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]
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);
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// Create custom authentication backend
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// Requires API key authentication and X-Forwarded-User header
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$apiKey = getenv('CALDAV_OUTBOUND_API_KEY');
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if (!$apiKey) {
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error_log("[sabre/dav] CALDAV_OUTBOUND_API_KEY environment variable is required");
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exit(1);
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}
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$authBackend = new ApiKeyAuthBackend($apiKey);
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// Create authentication plugin
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$authPlugin = new Auth\Plugin($authBackend);
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// Create CalDAV backend
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$caldavBackend = new CalDAV\Backend\PDO($pdo);
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// Create CardDAV backend (optional, for future use)
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$carddavBackend = new CardDAV\Backend\PDO($pdo);
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// Create principal backend with auto-creation support
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$principalBackend = new AutoCreatePrincipalBackend($pdo);
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// Create directory tree
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$nodes = [
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new CalDAV\Principal\Collection($principalBackend),
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new CalDAV\CalendarRoot($principalBackend, $caldavBackend),
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new CardDAV\AddressBookRoot($principalBackend, $carddavBackend),
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];
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// Create server
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$server = new DAV\Server($nodes);
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$server->setBaseUri($baseUri);
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// Add plugins
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$server->addPlugin($authPlugin);
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$server->addPlugin(new CalDAV\Plugin());
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$server->addPlugin(new CardDAV\Plugin());
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$server->addPlugin(new DAVACL\Plugin());
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$server->addPlugin(new DAV\Browser\Plugin());
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// Add custom IMipPlugin that forwards scheduling messages via HTTP callback
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// This MUST be added BEFORE the Schedule\Plugin so that Schedule\Plugin finds it
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// The callback URL must be provided per-request via X-CalDAV-Callback-URL header
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$callbackApiKey = getenv('CALDAV_INBOUND_API_KEY');
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if (!$callbackApiKey) {
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error_log("[sabre/dav] CALDAV_INBOUND_API_KEY environment variable is required for scheduling callback");
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exit(1);
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}
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$imipPlugin = new HttpCallbackIMipPlugin($callbackApiKey);
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$server->addPlugin($imipPlugin);
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// Add CalDAV scheduling support
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// See https://sabre.io/dav/scheduling/
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// The Schedule\Plugin will automatically find and use the IMipPlugin we just added
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// It looks for plugins that implement CalDAV\Schedule\IMipPlugin interface
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$schedulePlugin = new CalDAV\Schedule\Plugin();
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$server->addPlugin($schedulePlugin);
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// error_log("[sabre/dav] Starting server");
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// Start server
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$server->start();
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