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pylonsfckeditor / pylonsfckeditor / lib / fckeditor / fckoutput.py

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#!/usr/bin/env python

"""
FCKeditor - The text editor for Internet - http://www.fckeditor.net
Copyright (C) 2003-2009 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 ==

Connector for Python (CGI and WSGI).

"""
import logging

from time import gmtime, strftime
import string

log = logging.getLogger(__name__)

def escape(text, replace=string.replace):
	"""
	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.
	"""
	text = replace(text, '&', '&amp;') # must be done 1st
	text = replace(text, '<', '&lt;')
	text = replace(text, '>', '&gt;')
	text = replace(text, '"', '&quot;')
	return text

def convertToXmlAttribute(value):
	if (value is None):
		value = ""
	return escape(value)

class BaseHttpMixin(object):
	def setHttpHeaders(self, content_type='text/xml'):
		"Purpose: to prepare the headers for the xml to return"
		# Prevent the browser from caching the result.
		# Date in the past
		self.setHeader('Expires','Mon, 26 Jul 1997 05:00:00 GMT')
		# always modified
		self.setHeader('Last-Modified',strftime("%a, %d %b %Y %H:%M:%S GMT", gmtime()))
		# HTTP/1.1
		self.setHeader('Cache-Control','no-store, no-cache, must-revalidate')
		self.setHeader('Cache-Control','post-check=0, pre-check=0')
		# HTTP/1.0
		self.setHeader('Pragma','no-cache')

		# Set the response format.
		self.setHeader( 'Content-Type', content_type + '; charset=utf-8' )
		return

class BaseXmlMixin(object):
	def createXmlHeader(self, command, resourceType, currentFolder, url):
	    
		"Purpose: returns the xml header"
		self.setHttpHeaders()
		# Create the XML document header
		s =  """<?xml version="1.0" encoding="utf-8" ?>"""
		# Create the main connector node
		s += """<Connector command="%s" resourceType="%s">""" % (
				command,
				resourceType
				)
		# Add the current folder node
		s += """<CurrentFolder path="%s" url="%s" />""" % (
				convertToXmlAttribute(currentFolder),
				convertToXmlAttribute(url),
				)
		return s

	def createXmlFooter(self):
		"Purpose: returns the xml footer"
		return """</Connector>"""

	def sendError(self, number, text):
		"Purpose: in the event of an error, return an xml based error"
		self.setHttpHeaders()
		return ("""<?xml version="1.0" encoding="utf-8" ?>""" +
				"""<Connector>""" +
				self.sendErrorNode (number, text) +
				"""</Connector>""" )

	def sendErrorNode(self, number, text):
		return """<Error number="%s" text="%s" />""" % (number, convertToXmlAttribute(text))

class BaseHtmlMixin(object):
	def sendUploadResults( self, errorNo = 0, fileUrl = '', fileName = '', customMsg = '' ):
		self.setHttpHeaders("text/html")
		"This is the function that sends the results of the uploading process"

		"Minified version of the document.domain automatic fix script (#1919)."
		"The original script can be found at _dev/domain_fix_template.js"
		return """<script type="text/javascript">
			(function(){var d=document.domain;while (true){try{var A=window.parent.document.domain;break;}catch(e) {};d=d.replace(/.*?(?:\.|$)/,'');if (d.length==0) break;try{document.domain=d;}catch (e){break;}}})();

			window.parent.OnUploadCompleted(%(errorNumber)s,"%(fileUrl)s","%(fileName)s","%(customMsg)s");
			</script>""" % {
			'errorNumber': errorNo,
			'fileUrl': fileUrl.replace ('"', '\\"'),
			'fileName': fileName.replace ( '"', '\\"' ) ,
			'customMsg': customMsg.replace ( '"', '\\"' ),
			}