Commit: f0414e3a0a62364920a90d4c3d42e4cbf48bf565 - pukiwiki_plus (git)

Commit MetaInfo

• Revision: f0414e3a0a62364920a90d4c3d42e4cbf48bf565 (tree)
• Time: 2010-05-30 23:04:31
• Author: miko2u <miko@cafe...>
• Commiter: miko2u

Log Message

add dav.inc.php.

Change Summary

• modified: lib/funcplus.php
• modified: lib/pukiwiki.php
• add: plugin/dav.inc.php

Incremental Difference

--- a/lib/funcplus.php
+++ b/lib/funcplus.php
@@ -1,8 +1,8 @@
 <?php
 // PukiWiki Plus! - Yet another WikiWikiWeb clone.
-// $Id: funcplus.php,v 0.1.56 2009/05/07 00:36:00 upk Exp $
+// $Id: funcplus.php,v 0.1.57 2010/05/30 23:01:00 upk Exp $
 // Copyright (C)
-//   2005-2009 PukiWiki Plus! Team
+//   2005-2010 PukiWiki Plus! Team
 // License: GPL v2 or (at your option) any later version
 //
 // Plus! extension function(s)
@@ -748,4 +748,48 @@ function strip_a($x)
 	$x = preg_replace('#<a class="ext" href="(.*?)" .*?>(.*?)<img src="' . IMAGE_URI . 'plus/ext.png".*?</a>#si','$2',$x);
 	return $x;
 }
+
+function is_webdav()
+{
+	global $log_ua;
+	static $status = false;
+	if ($status) return true;
+
+	static $ua_dav = array(
+		'Microsoft-WebDAV-MiniRedir\/',
+		'Microsoft Data Access Internet Publishing Provider',
+		'MS FrontPage',
+		'^WebDrive',
+		'^WebDAVFS\/',
+		'^gnome-vfs\/',
+		'^XML Spy',
+		'^Dreamweaver-WebDAV-SCM1',
+	);
+
+	switch($_SERVER['REQUEST_METHOD']) {
+	case 'OPTIONS':
+	case 'PROPFIND':
+	case 'MOVE':
+	case 'COPY':
+	case 'DELETE':
+	case 'PROPPATCH':
+	case 'MKCOL':
+	case 'LOCK':
+	case 'UNLOCK':
+		$status = true;
+		return $status;
+	default:
+		continue;
+	}
+
+	$matches = array();
+	foreach($ua_dav as $pattern) {
+		if (preg_match('/'.$pattern.'/', $log_ua, $matches)) {
+			$status = true;
+			return true;
+		}
+	}
+
+	return false;
+}
 ?>

--- a/lib/pukiwiki.php
+++ b/lib/pukiwiki.php
@@ -1,9 +1,9 @@
 <?php
 // PukiWiki Plus! - Yet another WikiWikiWeb clone.
-// $Id: pukiwiki.php,v 1.21.19 2009/08/19 01:51:00 upk Exp $
+// $Id: pukiwiki.php,v 1.21.20 2010/05/30 23:01:00 upk Exp $
 //
 // PukiWiki Plus! 1.4.*
-//  Copyright (C) 2002-2009 by PukiWiki Plus! Team
+//  Copyright (C) 2002-2010 by PukiWiki Plus! Team
 //  http://pukiwiki.cafelounge.net/plus/
 //
 // PukiWiki 1.4.*
@@ -226,6 +226,12 @@ if ($is_protect) {
 	die('PLUS_PROTECT_MODE is set.');
 }
 
+// WebDAV
+if (is_webdav() && exist_plugin('dav')) {
+	do_plugin_action('dav');
+	exit;
+}
+
 // Set Home
 $auth_key = auth::get_user_info();
 if (!empty($auth_key['home'])) {

--- /dev/null
+++ b/plugin/dav.inc.php
@@ -0,0 +1,636 @@
+<?php
+/**
+ * WebDAV プラグイン
+ *
+ * Author: [e-mail]
+ * Version: 0.39
+ *
+ * @copyright   Copyright &copy; 2010, Katsumi Saito <[e-mail]>
+ * @version     $Id: dav.inc.php,v 0.39.1 2010/05/30 20:36:00 upk Exp $
+ * @license     http://opensource.org/licenses/gpl-license.php GNU Public License (GPL2)
+ *
+ * 現状では、DOMDocument の実装上、PHP5以降でのみ稼働。
+ * CentOS の場合は、php-xml パッケージを導入する必要あり。
+ *
+ * == 稼働上の制限 ==
+ * apache only:
+ *   $_SERVER: 'HTTPS', 'HTTP_HOST', 'REQUEST_METHOD', 'PATH_INFO', 'REQUEST_URI'
+ *   apache_getenv('SERVER_PORT');
+ *
+ * == for Windows Vista/7, check ==
+ *  HKLM\SYSTEM\CurrentControlSet\Services\WebClient\Parameters\BasicAuthLevel
+ *   0 - Basic authentication disabled
+ *   1 - Basic authentication enabled for SSL shares only
+ *   2 or greater - Basic authentication enabled for SSL shares
+ *                  and for non-SSL shares
+ *
+*/
+
+defined('PLUGIN_DAV_SHOWONLYEDITABLE') or define('PLUGIN_DAV_SHOWONLYEDITABLE', false);
+
+function plugin_dav_action()
+{
+	global $scriptname, $zslash, $log_ua;
+
+	if (!exist_plugin('attach')) plugin_dav_error_exit(500,'attach plugin not found.');
+
+	$scriptname = SCRIPT_NAME;
+	// 区切り文字の全角
+	$zslash = mb_convert_kana('/', 'A', SOURCE_ENCODING);
+
+	header('Expires: Sat,  1 Jan 2000 00:00:00 GMT');
+	header('Cache-Control: no-store, no-cache, must-revalidate');
+	header('Cache-Control: post-check=0, pre-check=0', false);
+	header('Pragma: no-cache');
+
+	$req_headers = apache_request_headers();
+	$path_info = (empty($_SERVER['PATH_INFO'])) ? '' : $_SERVER['PATH_INFO'];
+
+	switch ($_SERVER['REQUEST_METHOD']) {
+	case 'OPTIONS':
+		header('DAV: 1');
+		// OPTIONS,PROPFIND,GET,HEAD,PUT,DELETE,MOVE,COPY
+		header('Allow: OPTIONS,PROPFIND,GET,PUT,MOVE,COPY');
+		header('MS-Author-Via: DAV');
+		break;
+	case 'PROPFIND':
+		// 添付する際にパスワードまたは、管理者のみの場合は、認証を要求
+		if (PLUGIN_ATTACH_PASSWORD_REQUIRE || PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY) {
+			// PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY ? 'admin password' : 'password';
+			if(!isset($req_headers['Authorization'])) plugin_dav_error_exit(401);
+			//$user = auth::check_auth_pw(); // 認証済かのチェック
+			//if (empty($user)) plugin_dav_error_exit(401); // 未認証なら認証を要求
+		}
+
+		if( empty($path_info)) {
+			plugin_dav_error_exit(301, NULL, plugin_dav_myurl1().'/');
+		}
+
+		$tree = plugin_dav_maketree($path_info);
+		if(!isset($tree)) plugin_dav_error_exit(404);
+		$ret = plugin_dav_makemultistat($tree, $_SERVER['REQUEST_URI'], $req_headers['Depth']);
+
+		if(!isset($ret)) plugin_dav_error_exit(301, NULL, plugin_dav_myurl().'/');
+		header('HTTP/1.1 207 Multi-Status');
+		header('Content-Type: text/xml');
+		echo $ret->saveXML();
+		exit;
+
+	case 'GET':
+	case 'HEAD':
+		// 通常のファイル参照時は、このメソッドでアクセスされる
+		$obj = & plugin_dav_getfileobj($path_info);
+		if($obj != NULL && $obj->exist) {
+			$obj->open();
+		}
+		else if($_SERVER['REQUEST_METHOD'] == 'GET' && empty($path_info) && strpos($log_ua, 'MSIE') > 0) {
+			plugin_dav_officious_message();
+			exit;
+		}
+		else plugin_dav_error_exit(404);
+
+		break;
+
+	case 'PUT':
+		$pass = NULL;
+
+		if (auth::check_role('readonly')) plugin_dav_error_exit(403, 'PKWK_READONLY prohibits editing');
+
+		// 添付する際にパスワードまたは、管理者のみの場合は、認証を要求
+		if (PLUGIN_ATTACH_PASSWORD_REQUIRE || PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY) {
+			if(isset($req_headers['Authorization']))
+				$pass = plugin_dav_getbasicpass($req_headers['Authorization']);
+			//  else
+			// PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY ? 'admin password' : 'password';
+			//    plugin_dav_error_exit(401);
+		}
+		if (PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY && $pass !== TRUE &&
+			($pass === NULL || ! pkwk_login($pass)))
+			plugin_dav_error_exit(401); // 'admin only.'
+ 
+		$obj = & plugin_dav_getfileobj($path_info, false);
+
+		if(!isset($obj)) plugin_dav_error_exit(403, 'no page');
+		if($obj->exist){
+			unlink($tmpfilename);
+			plugin_dav_error_exit(403, 'already exist.');
+		}
+
+		$size = intval($req_headers['Content-Length']);
+		// Windows 7のクライアントは、まず0バイト書いて、
+		// それをLOCKしてから、上書きしにくる。
+		// しかし、Pukiwikiは基本上書き禁止。
+		// そこで0バイトの時は無視する。
+		if($size > 0){
+			if($size > PLUGIN_ATTACH_MAX_FILESIZE) {
+				plugin_dav_error_exit(403, 'file size error');
+			}
+ 
+			$tmpfilename = tempnam('/tmp', 'dav');
+			$fp = fopen($tmpfilename, 'wb');
+
+			$size = 0;
+			$putdata = fopen('php://input','rb');
+			while ($data = fread($putdata,1024)){
+				$size += strlen($data);
+				fwrite($fp,$data);
+			}
+			fclose($putdata);
+			fclose($fp);
+
+			if(copy($tmpfilename, $obj->filename)) {
+				chmod($obj->filename, PLUGIN_ATTACH_FILE_MODE);
+			}
+
+			if(is_page($obj->page)) touch(get_filename($obj->page));
+			$obj->getstatus();
+			$obj->status['pass'] = ($pass !== TRUE && $pass !== NULL) ? md5($pass) : '';
+			$obj->putstatus();
+			unlink($tmpfilename);
+		}
+
+		break;
+
+	case 'DELETE':
+		// FIXME
+		// フォルダーは消せないくせに、消せたように処理してしまう。
+		//
+		$pass = NULL;
+
+		if (auth::check_role('readonly')) plugin_dav_error_exit(403, 'PKWK_READONLY prohibits editing');
+
+		// 添付する際にパスワードまたは、管理者のみの場合は、認証を要求
+		if (PLUGIN_ATTACH_PASSWORD_REQUIRE || PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY) {
+			if(isset($req_headers['Authorization']))
+				$pass = plugin_dav_getbasicpass($req_headers['Authorization']);
+			//  else
+			// PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY ? 'admin password' : 'password';
+			//    plugin_dav_error_exit(401);
+		}
+		if(PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY && $pass !== TRUE &&
+			($pass === NULL || ! pkwk_login($pass)))
+			plugin_dav_error_exit(401); // 'admin only.'
+ 
+		$obj = & plugin_dav_getfileobj($path_info, false);
+
+		if(!isset($obj)) plugin_dav_error_exit(403);
+		if($obj->getstatus() == FALSE) plugin_dav_error_exit(404);
+
+		$obj->delete($pass);
+		if(file_exists($obj->filename)) {
+			plugin_dav_error_exit(406, "can't delete this file");
+		}
+
+		break;
+
+	case 'MOVE':
+	case 'COPY':
+		// 添付ファイルのコピーと移動のみ
+		// 同じページ内での添付ファイルの移動もわざわざ消して書いている
+		// ページのコピーや移動は未実装 
+
+		$pass = NULL;
+
+		if (auth::check_role('readonly')) plugin_dav_error_exit(403, 'PKWK_READONLY prohibits editing');
+
+		// 添付する際にパスワードまたは、管理者のみの場合は、認証を要求
+		if (PLUGIN_ATTACH_PASSWORD_REQUIRE || PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY) {
+			if(isset($req_headers['Authorization']))
+				$pass = plugin_dav_getbasicpass($req_headers['Authorization']);
+			//  else
+			// PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY ? 'admin password' : 'password';
+			//    plugin_dav_error_exit(401);
+		}
+		if(PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY && $pass !== TRUE &&
+			($pass === NULL || ! pkwk_login($pass)))
+			plugin_dav_error_exit(401); // 'admin only.'
+
+		// FROM (PATH_INFO)
+		if($_SERVER['REQUEST_METHOD'] == 'MOVE'){
+			$obj1 = & plugin_dav_getfileobj($path_info, false);
+		}
+		else {
+			$obj1 = & plugin_dav_getfileobj($path_info, true); // readonly
+		}
+		if(!isset($obj1)) plugin_dav_error_exit(403, 'no src page.');
+		if($obj1->getstatus() == FALSE) plugin_dav_error_exit(404);
+
+		// TO (Destination)
+		$destname = $req_headers['Destination'];
+		if(strpos($destname, plugin_dav_myurl0()) === 0) {
+			$destname = substr($destname, strlen(plugin_dav_myurl0()));
+		}
+		if(strpos($destname, $scriptname) === 0) {
+			$destname = urldecode(substr($destname, strlen($scriptname)));
+		} else {
+			plugin_dav_error_exit(403, 'not dav directory.');
+		}
+
+		$obj2 = & plugin_dav_getfileobj($destname, false);
+		if (!isset($obj2)) plugin_dav_error_exit(403, 'no dst page.');
+		if ($obj2->exist) plugin_dav_error_exit(403, 'already exist');
+
+		if(copy($obj1->filename, $obj2->filename)) {
+			chmod($obj2->filename, PLUGIN_ATTACH_FILE_MODE);
+		} else {
+			plugin_dav_error_exit(406, "can't copy it");
+		}
+
+		// COPY
+		if(is_page($obj2->page)) touch(get_filename($obj2->page));
+		$obj2->getstatus();
+		$obj2->status['pass'] = ($pass !== TRUE && $pass !== NULL) ? md5($pass) : '';
+		$obj2->putstatus();
+
+		// MOVE(DELETE)
+		if($_SERVER['REQUEST_METHOD'] == 'MOVE') {
+			$obj1->delete($pass);
+			if(file_exists($obj1->filename))
+				plugin_dav_error_exit(406, "can't delete this file");
+		}
+
+		break;
+	/*
+	case 'MKCOL':
+		// ページは作成可能
+		// セキュリティは未検証
+		// Windowsクライアントを考えると、
+		// ページのリネームを考えないと無意味
+
+		if (auth::check_role('readonly')) plugin_dav_error_exit(403, 'PKWK_READONLY prohibits editing');
+
+		// 添付する際にパスワードまたは、管理者のみの場合は、認証を要求
+		if (PLUGIN_ATTACH_PASSWORD_REQUIRE || PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY) {
+			if(isset($req_headers['Authorization']))
+				$pass = plugin_dav_getbasicpass($req_headers['Authorization']);
+			//  else
+			// PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY ? 'admin password' : 'password';
+			//    plugin_dav_error_exit(401);
+		}
+		$path = $path_info;
+		if(!isset($path)) plugin_dav_error_exit(403);
+		// $path = mb_convert_encoding($path, SOURCE_ENCODING, 'UTF-8');
+
+		if(preg_match('/^\/(.+)\/$/', $path, $matches) != 1)
+			plugin_dav_error_exit(403);
+
+		$page = str_replace($zslash, '/', $matches[1]);
+		if(is_page($page)) plugin_dav_error_exit(403);
+
+		// ここの辺りにもう一つチェックが必要かも
+		page_write($page, "dav.php"); // write initial string to the page.
+		break;
+	*/
+
+	case 'PROPPATCH':
+		// ダミールーチン: Windows 7のクライアントは、PROPPATCHが
+		//                   失敗するとファイルを消しに来るため仕方なく。
+		//
+		header('HTTP/1.1 207 Multi-Status');
+		header('Content-Type: text/xml');
+		$doc = plugin_dav_proppatch_dummy_response($_SERVER['REQUEST_URI']);
+		echo $doc->saveXML();
+		exit;
+
+	case 'MKCOL':
+	case 'LOCK':
+	case 'UNLOCK':
+	case 'POST':
+		plugin_dav_error_exit(501); // Method not Implemented
+		break;
+	default:
+		plugin_dav_error_exit(405); // Method not Allowed
+	}
+}
+
+function plugin_dav_makemultistat($tree, $path, $depth)
+{
+	global $zslash;
+
+	if(!isset($tree)) return NULL;
+
+	// preg_match('/\/$/', $path) != 1 => 1:dir/ 0:dir/filename
+	// !=1 は、ファイル名の場合は、それを除外
+	// dir の場合に処理する
+	if(is_array($tree) && preg_match('/\/$/', $path) != 1) return NULL;
+
+	$ret = new DOMDocument();
+	$ele = $ret->createElementNS('DAV:', 'D:multistatus');
+	$ret->appendChild($ele);
+
+	plugin_dav_makemultistat_sub($ret, $ele, $path, $tree);
+	if(is_array($tree) && $depth !== '0'){
+		foreach($tree as $key => $value){
+			//$str = mb_convert_encoding(str_replace('/', $zslash, $key), 'UTF-8');
+			$str = str_replace('/', $zslash, $key);
+			$str = $path.rawurlencode($str);
+			if(is_array($value)) $str .= '/';
+			plugin_dav_makemultistat_sub($ret, $ele, $str, $value);
+		}
+	}
+	return $ret;
+}
+
+function plugin_dav_makemultistat_sub(&$doc, &$ele, $name, $type)
+{
+	$res = $doc->createElementNS('DAV:', 'D:response');
+	$ele->appendChild($res);
+	$href = $doc->createElementNS('DAV:', 'D:href', $name);
+	$res->appendChild($href);
+
+	$propstat = $doc->createElementNS('DAV:', 'D:propstat');
+	$res->appendChild($propstat);
+
+	$prop = $doc->createElementNS('DAV:', 'D:prop');
+	$propstat->appendChild($prop);
+
+	$resourcetype = $doc->createElementNS('DAV:', 'D:resourcetype');
+	$prop->appendChild($resourcetype);
+	if(is_array($type)){
+		$coll = $doc->createElementNS('DAV:', 'D:collection');
+		$resourcetype->appendChild($coll);
+	}
+	else if($type->getstatus() && isset($type->size)){
+		$getcontentlength = $doc->createElementNS('DAV:', 'D:getcontentlength');
+		$getcontentlength->appendChild($doc->createTextNode(''.$type->size));
+		$prop->appendChild($getcontentlength);
+	}
+
+	$stat = $doc->createElementNS('DAV:', 'D:status', 'HTTP/1.1 200 OK');
+	$propstat->appendChild($stat);
+}
+
+function plugin_dav_error_exit($code, $msg = NULL, $url = NULL)
+{
+	global $auth_type, $realm;
+
+        $array_msg = array(
+                301 => array('msg1'=>'Moved',                   'msg2'=>''),
+                401 => array('msg1'=>'Authorization Required',  'msg2'=>''),
+                403 => array('msg1'=>'Forbidden',               'msg2'=>'Your request is forbideen.'),
+                404 => array('msg1'=>'Not Found',               'msg2'=>'The file/directory you request is not found.'),
+                405 => array('msg1'=>'Method not Allowed',      'msg2'=>'Your request is not allowd.'),
+                406 => array('msg1'=>'Not acceptable',          'msg2'=>'Your request is not acceptable'),
+                500 => array('msg1'=>'Internal Server Error',   'msg2'=>'Internal Server Error.'),
+                501 => array('msg1'=>'Method not Implemented',  'msg2'=>'The method you request is not implemented.'),
+        );
+
+        if (!array_key_exists($code,$array_msg)) $code = 500;
+        $msg1 = & $array_msg[$code]['msg1'];
+        $msg2 = & $array_msg[$code]['msg2'];
+        header('HTTP/1.1 '.$code.' '.$msg1);
+
+        switch ($code) {
+        case 301:
+                header('Location: '.$url);
+                exit;
+        case 401:
+		switch ($auth_type) {
+		case 2:
+			header('WWW-Authenticate: Digest realm="'.$realm.
+				'", qop="auth", nonce="'.uniqid().'", opaque="'.md5($realm).'"');
+			exit;
+		default:
+                	header('WWW-Authenticate: Basic realm="'.$realm.'"');
+                	exit;
+		}
+		exit;
+        }
+
+        echo '<html><head>';
+        echo '<title>'.$code.' '.$msg1.'</title>';
+        echo '</head><body>';
+        echo '<h1>'.$code.' '.$msg1.'</h1>';
+        echo '<p>'.$msg2.'</p>';
+        if(isset($msg)) echo '<p>'.htmlspecialchars($msg).'</p>';
+        echo '<p>This script should be used with WebDAV protocol.</p>';
+        echo '</body></html>';
+        exit;
+}
+
+function plugin_dav_officious_message()
+{
+	global $scriptname;
+
+	$myurl1 = plugin_dav_myurl1();
+	$port = apache_getenv('SERVER_PORT');
+	echo '<html>';
+	echo '<head><title>officious message</title></head>';
+	echo '<body>';
+	echo '<p>Please use this script with WebDAV protocol.</p>';
+	echo '<p>If your client OS is <font size=+2>Windows XP</font>,';
+
+	if( strrpos($scriptname, '/') != 0){
+		echo ' you should place this script in document root directory';
+	}
+	else if($_SERVER['HTTPS'] != 'on' && (!isset($port) || $port == 80)){
+		$myurl2 = preg_replace('/^http:/', 'https:', $myurl1);
+		echo ' you may be able to click';
+		echo ' <a style="behavior: url(#default#AnchorClick);"';
+		echo ' Folder="'.$myurl1.'?">'.$myurl1.'?';
+		echo '</a> or <a style="behavior: url(#default#AnchorClick);"';
+		echo ' Folder="'.$myurl2.'/">'.$myurl2.'/';
+		echo '</a>. <br>Or do <font size=+2>"Add Network Place"';
+		echo ' in "My Network Place"</font>';
+	}
+	else {
+		echo ' you may be able to click';
+		echo ' <a style="behavior: url(#default#AnchorClick);"';
+		echo ' Folder="'.$myurl1.'/">'.$myurl1.'/';
+		echo '</a>. <br>Or do <font size=+2>"Add Network Place"';
+		echo ' in "My Network Place"</font>';
+	}
+
+	echo '</p>';
+	echo '<p>If your client OS is <font size=+2>Windows 7</font>, ';
+
+	if($_SERVER['HTTPS'] != 'on' && (!isset($port) || $port == 80)){
+		$myurl2 = preg_replace('/^http:/', 'https:', $myurl1);
+		echo 'you can try <font size=+2>"net use w: '.$myurl1.'"</font>';
+		echo ' or <font size=+2>"net use w: '.$myurl2.'".</font>';
+		echo ' ("w:" is arbitary drive letter.)';
+		echo '<br>Or you are rarely(at the very first time after booting?)';
+		echo ' be able to click';
+		echo ' <a style="behavior: url(#default#AnchorClick);"';
+		echo ' Folder="'.$myurl1.'">'.$myurl1.'</a>';
+		echo ' or <a style="behavior: url(#default#AnchorClick);"';
+		echo ' Folder="'.$myurl2.'">'.$myurl2.'</a>.';
+		echo '<br>(http: can be used only when the value in the regsitry key';
+		echo ' "HKLM\SYSTEM\CurrentControlSet\Services\WebClient\Parameters\BasicAuthLevel" is "2")';
+	}
+	else {
+		echo 'you can try <font size=+2>"net use w: '.$myurl1.'"</font>';
+		echo ' ("w:" is arbitary drive letter.)';
+		echo '<br>Or you are rarely(at the very first time after booting?)';
+		echo ' be able to click';
+		echo ' <a style="behavior: url(#default#AnchorClick);"';
+		echo ' Folder="'.$myurl1.'">'.$myurl1.'</a>.';
+	}
+
+	echo '</p>';
+	echo '</body>';
+	echo '</html>';
+}
+
+function plugin_dav_myurl0()
+{
+	// $_SERVER['HTTPS'] - https かどうかの判定用
+	// get_script_absuri();
+	// rc - http://jo1upk.blogdns.net:80
+	$url = ($_SERVER['HTTPS'] == 'on') ? 'https://' : 'http://';
+	$url .= $_SERVER['HTTP_HOST'];
+	$port = apache_getenv('SERVER_PORT');
+	if(isset($port) && $port != 443 && $_SERVER['HTTPS'] == 'on')
+		$url .= ':'.$port;
+	else if(isset($port) && $port != 80 && $_SERVER['HTTPS'] != 'on')
+		$url .= ':'.$port;
+	return $url;
+}
+function plugin_dav_myurl1()
+{
+	global $scriptname;
+	return plugin_dav_myurl0() . $scriptname;
+}
+function plugin_dav_myurl()
+{
+	return plugin_dav_myurl0() . $_SERVER['REQUEST_URI'];
+}
+
+// このルーチンを何とかすると、
+// 全角スラッシュの件が何とかなるかも。
+function plugin_dav_maketree0()
+{
+	global $whatsnew, $attach_link;
+
+	$root = array();
+	$pagelist = auth::get_existpages();
+	foreach($pagelist as $page){
+		if(check_non_list($page)) continue;
+		if($page == $whatsnew) continue;
+		if(PLUGIN_DAV_SHOWONLYEDITABLE && !is_editable($page)) continue;
+
+		$root[$page] = array();
+	}
+
+	// FIXME
+	// 認証時は、この制限を回避するようにする。
+	// 現状は、添付ファイル非表示の場合は抑止
+	if (!$attach_link) return $root;
+
+	$attaches = & new AttachPages('');
+	foreach($attaches->pages as $key => $val){
+		if(check_non_list($key)) continue;
+		if(!check_readable($key, false, false)) continue;
+		if(PLUGIN_DAV_SHOWONLYEDITABLE && !is_editable($key)) continue;
+
+		if(!isset($root[$key])) $root[$key] = array();
+		if(is_array($root[$key])){
+			foreach($val->files as $file => $arr){
+				if(isset($arr[0])) $root[$key][$file] = $arr[0];
+			}
+		}
+	}
+
+	return $root;
+}
+
+function plugin_dav_maketree($path)
+{
+	global $zslash;
+	$page = null;
+
+	$tree = plugin_dav_maketree0();
+	if(empty($path)) return $tree;
+
+	// $path = mb_convert_encoding($path, SOURCE_ENCODING, 'UTF-8');
+
+	$pieces = explode('/', $path);
+	if(!empty($pieces[0])) return NULL;
+	$count = count($pieces);
+	for($i = 1; $i < $count; $i++){
+		if(empty($pieces[$i])){
+			if(is_array($tree)){
+				continue;
+			}
+			else
+				return NULL;
+		}
+		else if(is_array($tree)){
+			$pieces[$i] = str_replace($zslash, '/', $pieces[$i]);
+
+			if(isset($tree[$pieces[$i]]))
+				$tree = $tree[$pieces[$i]]; 
+			else
+				return NULL;
+
+			if(is_array($tree)){
+				if($page == null) $page = $pieces[$i];
+				else $page .= '/'.$pieces[$i];
+			}
+		}
+		else
+			return NULL;
+	}
+
+	if(isset($page) && !check_readable($page, false, false)) plugin_dav_error_exit(401); // 'user/password'
+
+	return $tree;
+}
+
+function plugin_dav_getfileobj($path, $readonly=true)
+{
+	global $zslash;
+
+	if(!isset($path)) return NULL;
+
+	// $path = mb_convert_encoding($path, SOURCE_ENCODING, 'UTF-8');
+
+	if(preg_match('/^\/(.+)\/([^\/]+)$/', $path, $matches) != 1)
+		return NULL;
+
+	$page = str_replace($zslash, '/', $matches[1]);
+	if(!is_page($page)) return NULL;
+	if(!$readonly && !is_editable($page)) return NULL;
+
+	if(!check_readable($page, false, false)) plugin_dav_error_exit(401); // 'user/password'
+	if(!$readonly && !check_editable($page, false, false)) plugin_dav_error_exit(401); // 'user/password'
+
+	return new AttachFile($page, $matches[2]);
+}
+
+function plugin_dav_getbasicpass($str)
+{
+	if(preg_match('/^Basic (.+)$/', $str, $matches) != 1)
+		return NULL;
+	$str2 = base64_decode($matches[1]);
+	if($str2 === false) return NULL;
+	if(preg_match('/^[^:]+:(.+)$/', $str2, $matches2) != 1)
+		return NULL;
+	if(!isset($matches2[1])) return NULL;
+	if($matches2[1] == '') return NULL;
+	return $matches2[1];
+}
+
+function plugin_dav_proppatch_dummy_response($path)
+{
+	$doc = new DOMDocument();
+	$ele = $doc->createElementNS('DAV:', 'D:multistatus');
+	$doc->appendChild($ele);
+	$res = $doc->createElementNS('DAV:', 'D:response');
+	$ele->appendChild($res);
+	$href = $doc->createElementNS('DAV:', 'D:href', $path);
+	$res->appendChild($href);
+	$propstat = $doc->createElementNS('DAV:', 'D:propstat');
+	$res->appendChild($prospstat);
+	$prop = $doc->createElementNS('DAV:', 'D:prop');
+	$propstat->appendChild($prop);
+	$prop->appendChild($doc->createElementNS('urn:schemas-microsoft-com:', 'Z:Win32CreationTime'));
+	$prop->appendChild($doc->createElementNS('urn:schemas-microsoft-com:', 'Z:Win32LastAccessTime'));
+	$prop->appendChild($doc->createElementNS('urn:schemas-microsoft-com:', 'Z:Win32LastModifiedTime'));
+	$prop->appendChild($doc->createElementNS('urn:schemas-microsoft-com:', 'Z:Win32FileAttributes'));
+	$stat = $doc->createElementNS('DAV:', 'D:status', 'HTTP/1.1 200 OK');
+	$propstat->appendChild($stat);
+	return $doc;
+}
+
+?>