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FCKeditor/editor/filemanager/connectors/py/fckutil.py

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+#!/usr/bin/env python
+
+"""
+FCKeditor - The text editor for Internet - http://www.fckeditor.net
+Copyright (C) 2003-2007 Frederico Caldeira Knabben
+
+== BEGIN LICENSE ==
+
+Licensed under the terms of any of the following licenses at your
+choice:
+
+- GNU General Public License Version 2 or later (the "GPL")
+http://www.gnu.org/licenses/gpl.html
+
+- GNU Lesser General Public License Version 2.1 or later (the "LGPL")
+http://www.gnu.org/licenses/lgpl.html
+
+- Mozilla Public License Version 1.1 or later (the "MPL")
+http://www.mozilla.org/MPL/MPL-1.1.html
+
+== END LICENSE ==
+
+Utility functions for the File Manager Connector for Python 
+
+"""
+
+import string, re
+import os
+import config as Config
+
+# Generic manipulation functions
+
+def removeExtension(fileName):
+	index = fileName.rindex(".")
+	newFileName = fileName[0:index]
+	return newFileName
+
+def getExtension(fileName):
+	index = fileName.rindex(".") + 1
+	fileExtension = fileName[index:]
+	return fileExtension
+
+def removeFromStart(string, char):
+	return string.lstrip(char)
+
+def removeFromEnd(string, char):
+	return string.rstrip(char)
+
+# Path functions
+
+def combinePaths( basePath, folder ):
+	return removeFromEnd( basePath, '/' ) + '/' + removeFromStart( folder, '/' ) 
+
+def getFileName(filename):
+	" Purpose: helper function to extrapolate the filename " 
+	for splitChar in ["/", "\\"]:
+		array = filename.split(splitChar)
+		if (len(array) > 1):
+			filename = array[-1]
+	return filename
+
+def sanitizeFolderName( newFolderName ):
+	"Do a cleanup of the folder name to avoid possible problems"
+	# Remove . \ / | : ? *
+	return re.sub( '\\.|\\\\|\\/|\\||\\:|\\?|\\*', '_', newFolderName )
+
+def sanitizeFileName( newFileName ):
+	"Do a cleanup of the file name to avoid possible problems"
+	# Replace dots in the name with underscores (only one dot can be there... security issue).
+	if ( Config.ForceSingleExtension ): # remove dots
+		newFileName = re.sub ( '/\\.(?![^.]*$)/', '_', newFileName ) ;
+	newFileName = newFileName.replace('\\','/')		# convert windows to unix path
+	newFileName = os.path.basename (newFileName)	# strip directories
+	# Remove \ / | : ? *
+	return re.sub ( '/\\\\|\\/|\\||\\:|\\?|\\*/', '_', newFileName )
+
+def getCurrentFolder(currentFolder):
+	if not currentFolder: 
+		currentFolder = '/' 
+
+	# Check the current folder syntax (must begin and end with a slash).
+	if (currentFolder[-1] <> "/"):
+		currentFolder += "/"
+	if (currentFolder[0] <> "/"):
+		currentFolder = "/" + currentFolder
+				
+	# Ensure the folder path has no double-slashes
+	while '//' in currentFolder:
+		currentFolder = currentFolder.replace('//','/') 
+
+	# Check for invalid folder paths (..)
+	if '..' in currentFolder:
+		return None
+
+	return currentFolder 
+
+def mapServerPath( environ, url):
+	" Emulate the asp Server.mapPath function. Given an url path return the physical directory that it corresponds to "
+	# This isn't correct but for the moment there's no other solution
+	# If this script is under a virtual directory or symlink it will detect the problem and stop
+	return combinePaths( getRootPath(environ), url )
+
+def mapServerFolder(resourceTypePath, folderPath):
+	return combinePaths ( resourceTypePath  , folderPath ) 
+
+def getRootPath(environ):
+	"Purpose: returns the root path on the server"
+	# WARNING: this may not be thread safe, and doesn't work w/ VirtualServer/mod_python
+	# Use Config.UserFilesAbsolutePath instead
+
+	if environ.has_key('DOCUMENT_ROOT'):
+		return environ['DOCUMENT_ROOT']
+	else:
+		realPath = os.path.realpath( './' ) 
+		selfPath = environ['SCRIPT_FILENAME']
+		selfPath = selfPath [ :  selfPath.rfind( '/'  ) ] 		
+		selfPath = selfPath.replace( '/', os.path.sep) 
+		
+		position = realPath.find(selfPath) 
+
+		# This can check only that this script isn't run from a virtual dir
+		# But it avoids the problems that arise if it isn't checked
+		raise realPath 
+		if ( position < 0 or position <> len(realPath) - len(selfPath) or realPath[ : position ]==''):
+			raise Exception('Sorry, can\'t map "UserFilesPath" to a physical path. You must set the "UserFilesAbsolutePath" value in "editor/filemanager/connectors/py/config.py".')
+		return realPath[ : position ]
+