Use location header (redirect URL) for http codes between 300 and 400 (redirects).

Try to adjust its arguments in only if they are URLs  and point to proxy instance 
(i.e. it should point to remore instance).  


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23573 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Wizard/Tool/WizardTool.py

@@ -41,6 +41,7 @@ import xmlrpclib, socket, sys, traceback, urllib, urllib2, base64, cgi
 from AccessControl.SecurityManagement import newSecurityManager, noSecurityManager
 import zLOG
 import cookielib
+from urlparse import urlparse, urlunparse
 
 # global (RAM) cookie storage
 cookiejar = cookielib.CookieJar()
@@ -322,9 +323,17 @@ class WizardTool(BaseTool):
       metadata = f.info()
       response = self.REQUEST.RESPONSE
       if f.code> 300 and f.code <400:
-        # ignore 'location' header for redirects from server. If server requires redirect then 
-        # redirect it ONLY to root web siteor current location
-        response['location'] =  header_dict['REFERER']
+        # adjust return url which my contain proxy URLs as arguments
+        location = metadata.getheader('location')
+        parsed_url = list(urlparse(location))
+        local_site_url_prefix = urllib.quote('%s/portal_wizard/proxy' \
+                                              %self.getPortalObject().absolute_url())
+        remote_url_parsed = urlparse(self.getServerUrl())
+        remote_site_url_prefix = '%s://%s/kb' %(remote_url_parsed[0], remote_url_parsed[1])
+        # fix arguments for returned location URL
+        parsed_url[4] = parsed_url[4].replace(local_site_url_prefix, remote_site_url_prefix)
+        response['location'] = urlunparse(parsed_url)
+
       response.setStatus(f.code, f.msg)
       response.setHeader('content-type', metadata.getheader('content-type'))
       # FIXME this list should be confirmed with the RFC 2616.