move authentication modules to plugins/

plugins/auth_imap/auth_imap.php

@@ -0,0 +1,51 @@
+<?php
+/* Requires php-imap
+	Put the following options in config.php:
+
+	define('IMAP_AUTH_SERVER', 'your.imap.server:port');
+	define('IMAP_AUTH_OPTIONS', '/tls/novalidate-cert/norsh');
+	// More about options: http://php.net/manual/ru/function.imap-open.php
+
+*/
+class Auth_Imap extends Plugin implements IAuthModule {
+
+	private $link;
+	private $host;
+	private $base;
+
+	function about() {
+		return array(1.0,
+			"Authenticates against an IMAP server (configured in config.php)",
+			"fox",
+			true);
+	}
+
+	function init($host) {
+		$this->link = $host->get_link();
+		$this->host = $host;
+		$this->base = new Auth_Base($this->link);
+
+		$host->add_hook($host::HOOK_AUTH_USER, $this);
+	}
+
+	function authenticate($login, $password) {
+
+		if ($login && $password) {
+			$imap = imap_open(
+				"{".IMAP_AUTH_SERVER.IMAP_AUTH_OPTIONS."}INBOX",
+				$login,
+				$password);
+
+			if ($imap) {
+				imap_close($imap);
+
+				return $this->base->auto_create_user($login);
+			}
+		}
+
+		return false;
+	}
+
+}
+
+?>