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#!/usr/bin/env python
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"""
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FCKeditor - The text editor for Internet - http://www.fckeditor.net
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Copyright (C) 2003-2009 Frederico Caldeira Knabben
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== BEGIN LICENSE ==
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Licensed under the terms of any of the following licenses at your
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choice:
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- GNU General Public License Version 2 or later (the "GPL")
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http://www.gnu.org/licenses/gpl.html
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- GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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http://www.gnu.org/licenses/lgpl.html
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- Mozilla Public License Version 1.1 or later (the "MPL")
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http://www.mozilla.org/MPL/MPL-1.1.html
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== END LICENSE ==
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Base Connector for Python (CGI and WSGI).
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See config.py for configuration settings
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"""
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import cgi, os
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from fckutil import *
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from fckcommands import * 	# default command's implementation
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from fckoutput import * 	# base http, xml and html output mixins
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import config as Config
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class FCKeditorConnectorBase( object ):
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	"The base connector class. Subclass it to extend functionality (see Zope example)"
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	def __init__(self, environ=None):
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		"Constructor: Here you should parse request fields, initialize variables, etc."
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		self.request = FCKeditorRequest(environ) # Parse request
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		self.headers = []						# Clean Headers
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		if environ:
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			self.environ = environ
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		else:
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			self.environ = os.environ
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	# local functions
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	def setHeader(self, key, value):
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		self.headers.append ((key, value))
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		return
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class FCKeditorRequest(object):
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	"A wrapper around the request object"
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	def __init__(self, environ):
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		if environ: # WSGI
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			self.request = cgi.FieldStorage(fp=environ['wsgi.input'],
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							environ=environ,
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							keep_blank_values=1)
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			self.environ = environ
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		else: # plain old cgi
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			self.environ = os.environ
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			self.request = cgi.FieldStorage()
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		if 'REQUEST_METHOD' in self.environ and 'QUERY_STRING' in self.environ:
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			if self.environ['REQUEST_METHOD'].upper()=='POST':
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				# we are in a POST, but GET query_string exists
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				# cgi parses by default POST data, so parse GET QUERY_STRING too
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				self.get_request = cgi.FieldStorage(fp=None,
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							environ={
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							'REQUEST_METHOD':'GET',
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							'QUERY_STRING':self.environ['QUERY_STRING'],
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							},
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							)
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		else:
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			self.get_request={}
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	def has_key(self, key):
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		return self.request.has_key(key) or self.get_request.has_key(key)
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	def get(self, key, default=None):
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		if key in self.request.keys():
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			field = self.request[key]
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		elif key in self.get_request.keys():
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			field = self.get_request[key]
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		else:
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			return default
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		if hasattr(field,"filename") and field.filename: #file upload, do not convert return value
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			return field
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		else:
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			return field.value
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