From 184438224cfece0f9797f54340a1353cc67e0b28 Mon Sep 17 00:00:00 2001
From: Frank Karlitschek <frank@owncloud.org>
Date: Sun, 26 Aug 2012 17:51:01 +0200
Subject: [PATCH] restore the webdavauth app

---
 apps/user_webdavauth/appinfo/app.php        | 38 +++++++++
 apps/user_webdavauth/appinfo/info.xml       | 10 +++
 apps/user_webdavauth/settings.php           | 40 ++++++++++
 apps/user_webdavauth/templates/settings.php |  7 ++
 apps/user_webdavauth/user_webdavauth.php    | 85 +++++++++++++++++++++
 5 files changed, 180 insertions(+)
 create mode 100755 apps/user_webdavauth/appinfo/app.php
 create mode 100755 apps/user_webdavauth/appinfo/info.xml
 create mode 100755 apps/user_webdavauth/settings.php
 create mode 100755 apps/user_webdavauth/templates/settings.php
 create mode 100755 apps/user_webdavauth/user_webdavauth.php

diff --git a/apps/user_webdavauth/appinfo/app.php b/apps/user_webdavauth/appinfo/app.php
new file mode 100755
index 0000000000..db1087449a
--- /dev/null
+++ b/apps/user_webdavauth/appinfo/app.php
@@ -0,0 +1,38 @@
+<?php
+
+/**
+* ownCloud - user_webdavauth
+*
+* @author Frank Karlitschek
+* @copyright 2012 Frank Karlitschek frank@owncloud.org
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+* License as published by the Free Software Foundation; either
+* version 3 of the License, or any later version.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+*
+* You should have received a copy of the GNU Affero General Public
+* License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*
+*/
+
+require_once('apps/user_webdavauth/user_webdavauth.php');
+
+OC_APP::registerAdmin('user_webdavauth','settings');
+
+OC_User::registerBackend("WEBDAVAUTH");
+OC_User::useBackend( "WEBDAVAUTH" );
+
+// add settings page to navigation
+$entry = array(
+	'id' => "user_webdavauth_settings",
+	'order'=>1,
+	'href' => OC_Helper::linkTo( "user_webdavauth", "settings.php" ),
+	'name' => 'WEBDAVAUTH'
+);
+?>
diff --git a/apps/user_webdavauth/appinfo/info.xml b/apps/user_webdavauth/appinfo/info.xml
new file mode 100755
index 0000000000..77fe3b892c
--- /dev/null
+++ b/apps/user_webdavauth/appinfo/info.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<info>
+	<id>user_webdavauth</id>
+	<name>WebDAV user backend</name>
+	<description>Authenticate Users by a WebDAV call</description>
+	<version>1.0</version>
+	<licence>AGPL</licence>
+	<author>Frank Karlitschek</author>
+	<require>3</require>
+</info>
diff --git a/apps/user_webdavauth/settings.php b/apps/user_webdavauth/settings.php
new file mode 100755
index 0000000000..5bd1af53c9
--- /dev/null
+++ b/apps/user_webdavauth/settings.php
@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * ownCloud - user_webdavauth
+ *
+ * @author Frank Karlitschek
+ * @copyright 2012 Frank Karlitschek frank@owncloud.org
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+print_r($_POST);
+if($_POST){
+
+		if(isset($_POST['webdav_url'])){
+			OC_CONFIG::setValue('user_webdavauth_url', strip_tags($_POST['webdav_url']));
+		}
+}
+
+// fill template
+$tmpl = new OC_Template( 'user_webdavauth', 'settings');
+$tmpl->assign( 'webdav_url', OC_Config::getValue( "user_webdavauth_url" ));
+
+return $tmpl->fetchPage();
+
+
+
+?>
diff --git a/apps/user_webdavauth/templates/settings.php b/apps/user_webdavauth/templates/settings.php
new file mode 100755
index 0000000000..c00c199632
--- /dev/null
+++ b/apps/user_webdavauth/templates/settings.php
@@ -0,0 +1,7 @@
+<form id="webdavauth" action="#" method="post">
+	<fieldset class="personalblock">
+		<legend><strong>WebDAV Authentication</strong></legend>
+		<p><label for="webdav_url"><?php echo $l->t('webdav_url');?><input type="text" id="webdav_url" name="webdav_url" value="<?php echo $_['webdav_url']; ?>"></label>
+		<input type="submit" value="Save" />
+	</fieldset>
+</form>
diff --git a/apps/user_webdavauth/user_webdavauth.php b/apps/user_webdavauth/user_webdavauth.php
new file mode 100755
index 0000000000..71c503f940
--- /dev/null
+++ b/apps/user_webdavauth/user_webdavauth.php
@@ -0,0 +1,85 @@
+<?php
+
+/**
+ * ownCloud
+ *
+ * @author Frank Karlitschek
+ * @copyright 2012 Frank Karlitschek frank@owncloud.org
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+class OC_USER_WEBDAVAUTH extends OC_User_Backend {
+	protected $webdavauth_url;
+	
+	public function __construct() {
+		$this->webdavauth_url = OC_Config::getValue( "user_webdavauth_url" );
+	}
+	
+	public function createUser() {
+		// Can't create user
+		OC_Log::write('OC_USER_WEBDAVAUTH', 'Not possible to create users from web frontend using WebDAV user backend',3);
+		return false;
+	}
+
+	public function deleteUser() {
+		// Can't delete user
+		OC_Log::write('OC_USER_WEBDAVAUTH', 'Not possible to delete users from web frontend using WebDAV user backend',3);
+		return false;
+	}
+
+	public function setPassword ( $uid, $password ) {
+		// We can't change user password
+		OC_Log::write('OC_USER_WEBDAVAUTH', 'Not possible to change password for users from web frontend using WebDAV user backend',3);
+		return false;
+	}
+	
+	public function checkPassword( $uid, $password ) {
+
+		$url= 'http://'.urlencode($uid).':'.urlencode($password).'@'.$this->webdavauth_url;
+		$headers = get_headers($url);
+		if($headers==false){
+			OC_Log::write('OC_USER_WEBDAVAUTH', 'Not possible to connect to WebDAV Url: "'.$this->webdavauth_url.'" ' ,3);
+			return false;	
+
+		}
+		$returncode= substr($headers[0], 9, 3);
+
+		if($returncode=='401') {
+			return false;
+		}else{
+			return true;
+		}
+
+	}
+	
+	/*
+	* we don´t know if a user exists without the password. so we have to return false all the time
+	*/
+	public function userExists( $uid ){
+		return false;
+	}
+
+	/*
+	* we don´t know the users so all we can do it return an empty array here
+	*/
+	public function getUsers(){
+		$returnArray = array();
+		
+		return $returnArray;
+	}
+}
+
+?>