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upload.lasso：源码内容
							[//lasso
/*
 * FCKeditor - The text editor for internet
 * Copyright (C) 2003-2006 Frederico Caldeira Knabben
 * 
 * Licensed under the terms of the GNU Lesser General Public License:
 * 		http://www.opensource.org/licenses/lgpl-license.php
 * 
 * For further information visit:
 * 		http://www.fckeditor.net/
 * 
 * File Name: upload.php
 * 	This is the "File Uploader" for Lasso.
 * 
 * File Authors:
 * 		Jason Huck (jason.huck@corefive.com)
 */
    /*.....................................................................     
    Include global configuration. See config.lasso for details.                                                                           
    */                                                                          
	include('config.lasso');
    /*.....................................................................     
    Convert query string parameters to variables and initialize output.                                                                           
    */                                                                          
	var(
		'Type'			=	action_param('Type'),
		'CurrentFolder'	=	action_param('CurrentFolder'),
		'ServerPath'	=	action_param('ServerPath'),
		'NewFile'		=	null,
		'NewFileName'	=	string,
		'OrigFilePath'	=	string,
		'NewFilePath'	=	string,
		'errorNumber'	=	0,
		'customMsg'		=	''
	);
	$Type == '' ? $Type = 'File';
    /*.....................................................................     
    Calculate the path to the current folder.                                                                           
    */                                                                          
	$ServerPath == '' ? $ServerPath = $config->find('UserFilesPath');
		
	var('currentFolderURL' = $ServerPath 
		+ $config->find('Subdirectories')->find(action_param('Type'))
		+ action_param('CurrentFolder')
	);
	/*.....................................................................    
	Custom tag sets the HTML response.                                                               
	*/
	
	define_tag(
		'sendresults',
		-namespace='fck_',
		-priority='replace',
		-required='errorNumber',
		-type='integer',
		-optional='fileUrl',
		-type='string',
		-optional='fileName',
		-type='string',
		-optional='customMsg',
		-type='string',
		-description='Sets the HTML response for the FCKEditor Quick Upload feature.'
	);
		$__html_reply__ = '
<script type="text/javascript">
	window.parent.OnUploadCompleted(' + #errorNumber + ',"' 
		+ string_replace(#fileUrl, -find='"', -replace='\"') + '","' 
		+ string_replace(#fileName, -find='"', -replace='\"') + '","' 
		+ string_replace(#customMsg, -find='"', -replace='\"') + '");
</script>
		';
	/define_tag;
	if($config->find('Enabled'));
		/*.................................................................     
		Process an uploaded file.                                                                        
		*/                                                                          
		inline($connection);
			/*.............................................................     
			Was a file actually uploaded?                                                              
			*/                                                              
			file_uploads->size ? $NewFile = file_uploads->get(1) | $errorNumber = 202;
							
			if($errorNumber == 0);
				/*.........................................................     
				Split the file's extension from the filename in order
				to follow the API's naming convention for duplicate
				files. (Test.txt, Test(1).txt, Test(2).txt, etc.)                                                          
				*/                                                          
				$NewFileName = $NewFile->find('OrigName');													
				$OrigFilePath = $currentFolderURL + $NewFileName;
				$NewFilePath = $OrigFilePath;
				local('fileExtension') = '.' + $NewFile->find('OrigExtension');					
				local('shortFileName') = $NewFileName->removetrailing(#fileExtension)&;
	
	
				/*.........................................................     
				Make sure the file extension is allowed.                                                          
				*/ 
								
				if($config->find('DeniedExtensions')->find($Type) >> $NewFile->find('OrigExtension'));
					$errorNumber = 202;
				else;
					/*.....................................................     
					Rename the target path until it is unique.                                                    
					*/                                                      										
					while(file_exists($NewFilePath));
						$NewFileName = #shortFileName + '(' + loop_count + ')' + #fileExtension;
						$NewFilePath = $currentFolderURL + $NewFileName;
					/while;
					
					
					/*.....................................................     
					Copy the uploaded file to its final location.                                                     
					*/                                                      
					file_copy($NewFile->find('path'), $NewFilePath);
	
	
					/*.....................................................    
					Set the error code for the response.                                          
					*/                                                      						
					select(file_currenterror( -errorcode));
						case(0);
							$OrigFilePath != $NewFilePath ? $errorNumber = 201;
						case;
							$errorNumber = 202;
					/select;
				/if;
			/if;
		/inline;
	else;
		$errorNumber = 1;
		$customMsg = 'This file uploader is disabled. Please check the "editor/filemanager/upload/lasso/config.lasso" file.';
	/if;
	
	fck_sendresults(
		-errorNumber=$errorNumber,
		-fileUrl=$NewFilePath,
		-fileName=$NewFileName,
		-customMsg=$customMsg
	);
]	

						