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#!/usr/bin/env python """ 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/ "Support Open Source software. What about a donation today?" File Name: connector.py Connector for Python. Tested With: Standard: Python 2.3.3 Zope: Zope Version: (Zope 2.8.1-final, python 2.3.5, linux2) Python Version: 2.3.5 (#4, Mar 10 2005, 01:40:25) [GCC 3.3.3 20040412 (Red Hat Linux 3.3.3-7)] System Platform: linux2 File Authors: Andrew Liu (andrew@liuholdings.com) """ """ Author Notes (04 December 2005): This module has gone through quite a few phases of change. Obviously, I am only supporting that part of the code that I use. Initially I had the upload directory as a part of zope (ie. uploading files directly into Zope), before realising that there were too many complex intricacies within Zope to deal with. Zope is one ugly piece of code. So I decided to complement Zope by an Apache server (which I had running anyway, and doing nothing). So I mapped all uploads from an arbitrary server directory to an arbitrary web directory. All the FCKeditor uploading occurred this way, and I didn't have to stuff around with fiddling with Zope objects and the like (which are terribly complex and something you don't want to do - trust me). Maybe a Zope expert can touch up the Zope components. In the end, I had FCKeditor loaded in Zope (probably a bad idea as well), and I replaced the connector.py with an alias to a server module. Right now, all Zope components will simple remain as is because I've had enough of Zope. See notes right at the end of this file for how I aliased out of Zope. Anyway, most of you probably wont use Zope, so things are pretty simple in that regard. Typically, SERVER_DIR is the root of WEB_DIR (not necessarily). Most definitely, SERVER_USERFILES_DIR points to WEB_USERFILES_DIR. """ import cgi import re import os import string """ escape Converts the special characters '<', '>', and '&'. RFC 1866 specifies that these characters be represented in HTML as &lt; &gt; and &amp; respectively. In Python 1.5 we use the new string.replace() function for speed. """ def escape(text, replace=string.replace): text = replace(text, '&', '&amp;') # must be done 1st text = replace(text, '<', '&lt;') text = replace(text, '>', '&gt;') text = replace(text, '"', '&quot;') return text """ getFCKeditorConnector Creates a new instance of an FCKeditorConnector, and runs it """ def getFCKeditorConnector(context=None): # Called from Zope. Passes the context through connector = FCKeditorConnector(context=context) return connector.run() """ FCKeditorRequest A wrapper around the request object Can handle normal CGI request, or a Zope request Extend as required """ class FCKeditorRequest(object): def __init__(self, context=None): if (context is not None): r = context.REQUEST else: r = cgi.FieldStorage() self.context = context self.request = r def isZope(self): if (self.context is not None): return True return False def has_key(self, key): return self.request.has_key(key) def get(self, key, default=None): value = None if (self.isZope()): value = self.request.get(key, default) else: if key in self.request.keys(): value = self.request[key].value else: value = default return value """ FCKeditorConnector The connector class """ class FCKeditorConnector(object): # Configuration for FCKEditor # can point to another server here, if linked correctly #WEB_HOST = "http://127.0.0.1/" WEB_HOST = "" SERVER_DIR = "/var/www/html/" WEB_USERFILES_FOLDER = WEB_HOST + "upload/" SERVER_USERFILES_FOLDER = SERVER_DIR + "upload/" # Allow access (Zope) __allow_access_to_unprotected_subobjects__ = 1 # Class Attributes parentFolderRe = re.compile("[\/][^\/]+[\/]?$") """ Constructor """ def __init__(self, context=None): # The given root path will NOT be shown to the user # Only the userFilesPath will be shown # Instance Attributes self.context = context self.request = FCKeditorRequest(context=context) self.rootPath = self.SERVER_DIR self.userFilesFolder = self.SERVER_USERFILES_FOLDER self.webUserFilesFolder = self.WEB_USERFILES_FOLDER # Enables / Disables the connector self.enabled = False # Set to True to enable this connector # These are instance variables self.zopeRootContext = None self.zopeUploadContext = None # Copied from php module =) self.allowedExtensions = { "File": None, "Image": None, "Flash": None, "Media": None } self.deniedExtensions = { "File": [ "php","php2","php3","php4","php5","phtml","pwml","inc","asp","aspx","ascx","jsp","cfm","cfc","pl","bat","exe","com","dll","vbs","js","reg","cgi" ], "Image": [ "php","php2","php3","php4","php5","phtml","pwml","inc","asp","aspx","ascx","jsp","cfm","cfc","pl","bat","exe","com","dll","vbs","js","reg","cgi" ], "Flash": [ "php","php2","php3","php4","php5","phtml","pwml","inc","asp","aspx","ascx","jsp","cfm","cfc","pl","bat","exe","com","dll","vbs","js","reg","cgi" ], "Media": [ "php","php2","php3","php4","php5","phtml","pwml","inc","asp","aspx","ascx","jsp","cfm","cfc","pl","bat","exe","com","dll","vbs","js","reg","cgi" ] } """ Zope specific functions """ def isZope(self): # The context object is the zope object if (self.context is not None): return True return False def getZopeRootContext(self): if self.zopeRootContext is None: self.zopeRootContext = self.context.getPhysicalRoot() return self.zopeRootContext def getZopeUploadContext(self): if self.zopeUploadContext is None: folderNames = self.userFilesFolder.split("/") c = self.getZopeRootContext() for folderName in folderNames: if (folderName <> ""): c = c[folderName] self.zopeUploadContext = c return self.zopeUploadContext """ Generic manipulation functions """ def getUserFilesFolder(self): return self.userFilesFolder def getWebUserFilesFolder(self): return self.webUserFilesFolder def getAllowedExtensions(self, resourceType): return self.allowedExtensions[resourceType] def getDeniedExtensions(self, resourceType): return self.deniedExtensions[resourceType] def removeFromStart(self, string, char): return string.lstrip(char) def removeFromEnd(self, string, char): return string.rstrip(char) def convertToXmlAttribute(self, value): if (value is None): value = "" return escape(value) def convertToPath(self, path): if (path[-1] <> "/"): return path + "/" else: return path def getUrlFromPath(self, resourceType, path): if (resourceType is None) or (resourceType == ''): url = "%s%s" % ( self.removeFromEnd(self.getUserFilesFolder(), '/'), path ) else: url = "%s%s%s" % ( self.getUserFilesFolder(), resourceType, path ) return url def getWebUrlFromPath(self, resourceType, path): if (resourceType is None) or (resourceType == ''): url = "%s%s" % ( self.removeFromEnd(self.getWebUserFilesFolder(), '/'), path ) else: url = "%s%s%s" % ( self.getWebUserFilesFolder(), resourceType, path ) return url def removeExtension(self, fileName): index = fileName.rindex(".") newFileName = fileName[0:index] return newFileName def getExtension(self, fileName): index = fileName.rindex(".") + 1 fileExtension = fileName[index:] return fileExtension def getParentFolder(self, folderPath): parentFolderPath = self.parentFolderRe.sub