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fckoutput.py

#!/usr/bin/env python

"""
FCKeditor - The text editor for Internet - http://www.fckeditor.net
Copyright (C) 2003-2008 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).

"""

from time import gmtime, strftime
import string

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):
            if number != 1:
                  return """<Error number="%s" />""" % (number)
            else:
                  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 ( '"', '\\"' ),
                  }

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