[mod] auth logic

conf/zeitbild.json

@@ -0,0 +1,17 @@
+{
+	"auth": {
+		"kind": "basic",
+		"data": null
+	},
+	"source": {
+		"kind": "ics_feed",
+		"data": {
+			"url": "http://{{username}}:{{password}}@localhost:7845/export/ics",
+			"combine": true
+		}
+	},
+	"settings": {
+		"timezone": "UTC"
+	}
+}
+

source/base.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace davigil;
+
+
+/**
+ */
+class _state
+{
+	public static $parameters = null;
+}
+
+
+/**
+ */
+function set_parameters(
+	$parameters
+) : void
+{
+	_state::$parameters = $parameters;
+}
+
+
+/**
+ */
+function get_parameters(
+)
+{
+	return _state::$parameters;
+}
+
+ ?>

source/main.php

@@ -3,6 +3,7 @@
 namespace davigil;
 
 require_once('vendor/autoload.php');
+require_once('base.php');
 require_once('overwrites/principal_backend.php');
 require_once('overwrites/auths/_factory.php');
 require_once('overwrites/caldav_backend.php');
@@ -15,6 +16,8 @@ function main(
 {
 	\davigil\conf\load('conf.json');
 	
+	\davigil\set_parameters([]);
+	
 	\date_default_timezone_set(\davigil\conf\get()->settings->timezone);
 	
 	$source = \davigil\sources\make(
@@ -49,7 +52,7 @@ function main(
 	/**
 	 * this somehow breaks authentication, but seems to be required for calendar discovery
 	 */
-	$server->addPlugin(new \Sabre\DAVACL\Plugin());
+	// $server->addPlugin(new \Sabre\DAVACL\Plugin());
 	$server->addPlugin(new \Sabre\CalDAV\Plugin());
 	$server->addPlugin(new \Sabre\CalDAV\Subscriptions\Plugin());
 	$server->addPlugin(new \Sabre\CalDAV\Schedule\Plugin());

source/overwrites/auths/basic.php

@@ -3,6 +3,7 @@
 namespace davigil\overwrites;
 
 require_once('vendor/autoload.php');
+require_once('base.php');
 require_once('sources/_interface.php');
 
 
@@ -37,12 +38,15 @@ class class_auth_backend_basic
 		/*string */$password
 	)/* : bool*/
 	{
-		$data = $this->source->get(
+		$parameters = [
-			[
 			'username' => $username,
 			'password' => $password,
-			]
+		];
-		);
+		/**
+		 * @todo check for security
+		 */
+		\davigil\set_parameters($parameters);
+		$data = $this->source->get(/*$parameters*/[]);
 		return ($data !== null);
 	}
 	

source/overwrites/caldav_backend.php

@@ -227,24 +227,24 @@ class class_caldav_backend
 	)
 	{
 		$id = $objectUri;
-		$data = $this->source->get([]);
+		$calendar = $this->source->get([]);
-		$entries = \array_values(
+		$events = \array_values(
 			\array_filter(
-				$data,
+				$calendar->events,
-				fn($entry) => ($entry->id === $id)
+				fn($event) => ($event->id === $id)
 			)
 		);
-		if (\count($entries) < 1)
+		if (\count($events) < 1)
 		{
 			throw (new \Exception(\sprintf('not found: %s', $objectUri)));
 		}
-		else if (\count($entries) > 1)
+		else if (\count($events) > 1)
 		{
 			throw (new \Exception(\sprintf('ambiguous: %s', $objectUri)));
 		}
 		else
 		{
-			$vcalendar = $this->events_to_vcalendar($entries);
+			$vcalendar = $this->events_to_vcalendar($events);
 			$ics = \davigil\helpers\ics\vcalendar_encode($vcalendar);
 			return [
 				'calendardata' => $ics,

source/sources/ics_feed.php

@@ -6,6 +6,7 @@ require_once('helpers/string.php');
 require_once('helpers/cache.php');
 require_once('helpers/pit.php');
 require_once('helpers/ics.php');
+require_once('base.php');
 require_once('model.php');
 
 
@@ -17,7 +18,7 @@ class class_source_ics_feed
 	
 	/**
 	 */
-	private string $url;
+	private string $url_template;
 	
 	
 	/**
@@ -33,12 +34,12 @@ class class_source_ics_feed
 	/**
 	 */
 	public function __construct(
-		string $url,
+		string $url_template,
 		?int $lifetime,
 		bool $combine
 	)
 	{
-		$this->url = $url;
+		$this->url_template = $url_template;
 		$this->lifetime = $lifetime;
 		$this->combine = $combine;
 		$this->cache_file = \davigil\helpers\call\convey(
@@ -59,6 +60,19 @@ class class_source_ics_feed
 	}
 	
 	
+	/**
+	 */
+	private function url(
+		$parameters
+	) : string
+	{
+		return \davigil\helpers\string_\coin(
+			$this->url_template,
+			$parameters
+		);
+	}
+	
+	
 	/**
 	 */
 	private function vcalendar_to_calendar(
@@ -122,12 +136,13 @@ class class_source_ics_feed
 	/**
 	 */
 	private function retrieve(
+		string $url
 	)
 	{
 		$client = new \Sabre\HTTP\Client();
 		$request = new \Sabre\HTTP\Request(
 			'GET',
-			$this->url,
+			$url,
 			[],
 			null
 		);
@@ -167,8 +182,11 @@ class class_source_ics_feed
 		array $parameters
 	) : \davigil\model\struct_calendar
 	{
-		$key = $this->url;
+		$url = $this->url(\davigil\get_parameters());
-		$f1 = fn() => $this->retrieve();
+		$key = $url;
+		$f1 = fn() => $this->retrieve(
+			$url
+		);
 		$f2 = fn() => \davigil\helpers\cache\get(
 			$this->cache_file,
 			$key,