moved deprecated communityhome, dav and yourls to the deprecated-addons repository

dav/friendica/dav_friendica_auth.inc.php

@@ -0,0 +1,87 @@
+<?php
+
+use Friendica\Model\User;
+
+class Sabre_DAV_Auth_Backend_Std extends Sabre_DAV_Auth_Backend_AbstractBasic
+{
+	/**
+	 * @var Sabre_DAV_Auth_Backend_Std|null
+	 */
+	private static $instance = null;
+
+	/**
+	 * @static
+	 * @return Sabre_DAV_Auth_Backend_Std
+	 */
+	public static function getInstance()
+	{
+		if (is_null(self::$instance)) {
+			self::$instance = new Sabre_DAV_Auth_Backend_Std();
+		}
+		return self::$instance;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getUsers()
+	{
+		return [$this->currentUser];
+	}
+
+	/**
+	 * @return null|string
+	 */
+	public function getCurrentUser()
+	{
+		return $this->currentUser;
+	}
+
+	/**
+	 * Authenticates the user based on the current request.
+	 *
+	 * If authentication is successful, true must be returned.
+	 * If authentication fails, an exception must be thrown.
+	 *
+	 * @param Sabre_DAV_Server $server
+	 * @param string $realm
+	 * @throws Sabre_DAV_Exception_NotAuthenticated
+	 * @return bool
+	 */
+	public function authenticate(Sabre_DAV_Server $server, $realm)
+	{
+		$a = get_app();
+		if (isset($a->user["uid"])) {
+			$this->currentUser = strtolower($a->user["nickname"]);
+			return true;
+		}
+
+		$auth = new Sabre_HTTP_BasicAuth();
+		$auth->setHTTPRequest($server->httpRequest);
+		$auth->setHTTPResponse($server->httpResponse);
+		$auth->setRealm($realm);
+		$userpass = $auth->getUserPass();
+		if (!$userpass) {
+			$auth->requireLogin();
+			throw new Sabre_DAV_Exception_NotAuthenticated('No basic authentication headers were found');
+		}
+
+		// Authenticates the user
+		if (!$this->validateUserPass($userpass[0], $userpass[1])) {
+			$auth->requireLogin();
+			throw new Sabre_DAV_Exception_NotAuthenticated('Username or password does not match');
+		}
+		$this->currentUser = strtolower($userpass[0]);
+		return true;
+	}
+
+	/**
+	 * @param string $username
+	 * @param string $password
+	 * @return bool
+	 */
+	protected function validateUserPass($username, $password)
+	{
+		return User::authenticate($username, $password);
+	}
+}