ktwebdavserver.inc.php.svn-base

来自「PHP 知识管理系统（基于树结构的知识管理系统）, 英文原版的PHP源码。」· SVN-BASE 代码 · 共 1,579 行 · 第 1/5 页

                    return false;
                }
                if (is_null($id)) {
                    if ($sFileName == '') {
                        return array($iFolderID, null);
                    }
                    $this->ktwebdavLog("id is null in _folderOrDocument", 'info', true);
                    return array($iFolderID, false);
                }
                if (substr($path, -1) !== "/") {
                    $this->ktwebdavLog("Setting Location Header to " . "Location: " . $_SERVER["PHP_SELF"] . "/", 'info', true);
                    header("Location: " . $_SERVER["PHP_SELF"] . "/");
                }
                $this->ktwebdavLog("DEBUG: return id ".$id, 'info', true);
                return array($id, null);
            }

            return array($iFolderID, (int)$iDocumentID);
        }

        /**
         *  PUT method handler
         *
         * @param  array  parameter passing array
         * @return string  HTTP status code or false
         */
        function PUT(&$options)
        {
            global $default;

            if ($this->checkSafeMode()) {

                $this->ktwebdavLog("Entering PUT. options are " .  print_r($options, true), 'info', true);
                $this->ktwebdavLog("dav_client is: " .  $this->dav_client, 'info', true);

                $path = $options["path"];

                // Fix for Mac
                // Modified - 22/10/07
                // Mac adds DS_Store files when folders are added and ._filename files when files are added
                // we want to ignore them.
                if($this->dav_client == 'MC' || $this->dav_client == 'MG'){
                    // Remove filename from path
                    $aPath = explode('/', $path);
                    $fileName = $aPath[count($aPath)-1];

                    if(strtolower($fileName) == '.ds_store'){
                        $this->ktwebdavLog("Using a mac client. Ignore the .DS_Store files created with every folder.", 'info', true);
                        // ignore
                        return "204 No Content";
                    }

                    if($fileName[0] == '.' && $fileName[1] == '_'){
                        $fileName = substr($fileName, 2);
                        $this->ktwebdavLog("Using a mac client. Ignore the ._filename files created with every file.", 'info', true);
                        // ignore
                        return "204 No Content";
                    }
                }

                $res = $this->_folderOrDocument($path);
                list($iFolderID, $iDocumentID) = $res;

                if ($iDocumentID === false && $iFolderID === false) {
                    // Couldn't find intermediary paths
                    /*
                     * RFC2518: 8.7.1 PUT for Non-Collection Resources
                     *
                     * 409 (Conflict) - A PUT that would result in the creation
                     * of a resource without an appropriately scoped parent collection
                     * MUST fail with a 409 (Conflict).
                     */
                    return "409 Conflict - Couldn't find intermediary paths";
                }

                $oParentFolder =& Folder::get($iFolderID);
                // Check if the user has permissions to write in this folder
                $oPerm =& KTPermission::getByName('ktcore.permissions.write');
                $oUser =& User::get($this->userID);
                if (!KTPermissionUtil::userHasPermissionOnItem($oUser, $oPerm, $oParentFolder)) {
                    return "403 Forbidden - User does not have sufficient permissions";
                }

                $this->ktwebdavLog("iDocumentID is " . $iDocumentID, 'info', true);

                if (is_null($iDocumentID)) {
                    // This means there is a folder with the given path
                    $this->ktwebdavLog("405 Method not allowed", 'info', true);
                    return "405 Method not allowed - There is a folder with the given path";
                }

                if ($iDocumentID == false) {
                    $this->ktwebdavLog("iDocumentID is false", 'info', true);
                }

                if ($iDocumentID !== false) {
                    // This means there is a document with the given path
                    $oDocument = Document::get($iDocumentID);

                    $this->ktwebdavLog("oDocument is " .  print_r($oDocument, true), 'info', true);
                    $this->ktwebdavLog("oDocument statusid is " .  print_r($oDocument->getStatusID(), true), 'info', true);

                    if ( ( (int)$oDocument->getStatusID() != STATUS_WEBDAV ) && ( (int)$oDocument->getStatusID() != DELETED )) {
                        $this->ktwebdavLog("Trying to PUT to an existing document", 'info', true);
                        if (!$this->dav_client == "MS" && !$this->dav_client == "MC") return "409 Conflict - There is a document with the given path";
                    }

                    // FIXME: Direct filesystem access
                    $fh = $options["stream"];
                    $sTempFilename = tempnam('/tmp', 'ktwebdav_dav_put');
                    $ofh = fopen($sTempFilename, 'w');

                    $contents = '';
                    while (!feof($fh)) {
                        $contents .= fread($fh, 8192);
                    }
                    $fres = fwrite($ofh, $contents);
                    $this->ktwebdavLog("A DELETED or CHECKEDOUT document exists. Overwriting...", 'info', true);
                    $this->ktwebdavLog("Temp Filename is: " . $sTempFilename, 'info', true );
                    $this->ktwebdavLog("File write result size was: " . $fres, 'info', true );

                    fflush($fh);
                    fclose($fh);
                    fflush($ofh);
                    fclose($ofh);
                    $this->ktwebdavLog("Files have been flushed and closed.", 'info', true );

                    $name = basename($path);
                    $aFileArray = array(
                            "name" => $name,
                            "size" => filesize($sTempFilename),
                            "type" => false,
                            "userID" => $this->_getUserID(),
                            );
                    $this->ktwebdavLog("aFileArray is " .  print_r($aFileArray, true), 'info', true);

                    //include_once(KT_LIB_DIR . '/filelike/fsfilelike.inc.php');
                    $aOptions = array(
                            //'contents' => new KTFSFileLike($sTempFilename),
                            'temp_file' => $sTempFilename,
                            'metadata' => array(),
                            'novalidate' => true,
                            );
                    $this->ktwebdavLog("DEBUG: overwriting file. Options: ".print_r($aOptions, true));
                    $this->ktwebdavLog("DEBUG: overwriting file. Temp name: ".$sTempFilename.' '.print_r($sTempFilename, true));
                    $this->ktwebdavLog("DEBUG: overwriting file. Name: ".$name.' '.print_r($name, true));

                    // Modified - 25/10/07 - changed add to overwrite
                    //$oDocument =& KTDocumentUtil::add($oParentFolder, $name, $oUser, $aOptions);
                    $oDocument =& KTDocumentUtil::overwrite($oDocument, $name, $sTempFilename, $oUser, $aOptions);

                    if(PEAR::isError($oDocument)) {
                        $this->ktwebdavLog("oDocument ERROR: " .  $oDocument->getMessage(), 'info', true);
		                unlink($sTempFilename);
                        return "409 Conflict - " . $oDocument->getMessage();
                    }

                    $this->ktwebdavLog("oDocument is " .  print_r($oDocument, true), 'info', true);

                    unlink($sTempFilename);
                    return "201 Created";
                }

                $options["new"] = true;
                // FIXME: Direct filesystem access
                $fh = $options["stream"];
                $sTempFilename = tempnam('/tmp', 'ktwebdav_dav_put');
                $ofh = fopen($sTempFilename, 'w');

                $contents = '';
                while (!feof($fh)) {
                    $contents .= fread($fh, 8192);
                }
                $fres = fwrite( $ofh, $contents);
                $this->ktwebdavLog("Content length was not 0, doing the whole thing.", 'info', true );
                $this->ktwebdavLog("Temp Filename is: " . $sTempFilename, 'info', true );
                $this->ktwebdavLog("File write result size was: " . $fres, 'info', true );

                fflush($fh);
                fclose($fh);
                fflush($ofh);
                fclose($ofh);
                $this->ktwebdavLog("Files have been flushed and closed.", 'info', true );

                $name = basename($path);
                $aFileArray = array(
                        "name" => $name,
                        "size" => filesize($sTempFilename),
                        "type" => false,
                        "userID" => $this->_getUserID(),
                        );
                $this->ktwebdavLog("aFileArray is " .  print_r($aFileArray, true), 'info', true);

                //include_once(KT_LIB_DIR . '/filelike/fsfilelike.inc.php');
                $aOptions = array(
                        //'contents' => new KTFSFileLike($sTempFilename),
                        'temp_file' => $sTempFilename,
                        'metadata' => array(),
                        'novalidate' => true,
                        );
                $oDocument =& KTDocumentUtil::add($oParentFolder, $name, $oUser, $aOptions);

                if(PEAR::isError($oDocument)) {
                    $this->ktwebdavLog("oDocument ERROR: " .  $oDocument->getMessage(), 'info', true);
                    unlink($sTempFilename);
                    return "409 Conflict - " . $oDocument->getMessage();
                }

                $this->ktwebdavLog("oDocument is " .  print_r($oDocument, true), 'info', true);

                unlink($sTempFilename);
                return "201 Created";

            }  else return "423 Locked - KTWebDAV is in SafeMode";

        }

        /**
         * MKCOL method handler
         *
         * @param  array  parameter passing array
         * @return string  HTTP status code or false
         */
        function MKCOL($options)
        {
            $this->ktwebdavLog("Entering MKCOL. options are " .  print_r($options, true), 'info', true);

            if ($this->checkSafeMode()) {

                global $default;

                if (!empty($_SERVER["CONTENT_LENGTH"])) {
                    /*
                     * RFC2518: 8.3.2 MKCOL status codes
                     *
                     * 415 (Unsupported Media Type)- The server does not support
                     * the request type of the body.
                     */
                    return "415 Unsupported media type";
                }

                // Take Windows's escapes out
                $path = str_replace('\\', '' , $options['path']);


                $res = $this->_folderOrDocument($path);
                list($iFolderID, $iDocumentID) = $res;

                if ($iDocumentID === false && $iFolderID === false) {
                    // Couldn't find intermediary paths
                    /*
                     * RFC2518: 8.3.2 MKCOL status codes
                     *
                     * 409 (Conflict) - A collection cannot be made at the
                     * Request-URI until one or more intermediate collections
                     * have been created.
                     */
                    $this->ktwebdavLog("409 Conflict in MKCOL", 'info', true);
                    return "409 Conflict - Couldn't find intermediary paths";
                }


                if (is_null($iDocumentID)) {
                    // This means there is a folder with the given path
                    /*
                     * RFC2518: 8.3.2 MKCOL status codes
                     *
                     * 405 (Method Not Allowed) - MKCOL can only be executed on
                     * a deleted/non-existent resource.
                     */
                    $this->ktwebdavLog("405 Method not allowed - There is a folder with the given path", 'info', true);
                    return "405 Method not allowed - There is a folder with the given path";
                }
                if ($iDocumentID !== false) {
                    // This means there is a document with the given path
                    /*
                     * RFC2518: 8.3.2 MKCOL status codes
                     *
                     * 405 (Method Not Allowed) - MKCOL can only be executed on
                     * a deleted/non-existent resource.
                     */
                    $this->ktwebdavLog("405 Method not allowed - There is a document with the given path", 'info', true);
                    return "405 Method not allowed - There is a document with the given path";
                }

                $sFolderName = basename($path);
                $sFolderPath = dirname($path);

                $dest_fspath = $default->documentRoot . "/" . $this->rootFolder . $path;
                $this->ktwebdavLog("Will create a physical path of " .  $dest_fspath, 'info', true);

                $oParentFolder =& Folder::get($iFolderID);
                $this->ktwebdavLog("Got an oParentFolder of " .  print_r($oParentFolder, true), 'info', true);

                // Check if the user has permissions to write in this folder
                $oPerm =& KTPermission::getByName('ktcore.permissions.addFolder');
                $oUser =& User::get($this->userID);

                $this->ktwebdavLog("oPerm is " .  print_r($oPerm, true), 'info', true);
                $this->ktwebdavLog("oUser is " .  print_r($oUser, true), 'info', true);
                $this->ktwebdavLog("oFolder is " .  print_r($oParentFolder, true), 'info', true);

                if (!KTPermissionUtil::userHasPermissionOnItem($oUser, $oPerm, $oParentFolder)) {
                    $this->ktwebdavLog("Permission denied.", 'info', true);
                    return "403 Forbidden - User does not have sufficient permissions";
                } else $this->ktwebdavLog("Permission granted.", 'info', true);


                include_once(KT_LIB_DIR . '/foldermanagement/folderutil.inc.php');

                KTFolderUtil::add($oParentFolder, $sFolderName, $oUser);
                /*
                 * RFC 2518: 8.3.2 MKCOL status codes
                 *
                 * 201 (Created) - T