#TODO - this method should verify that the user indeed exists in the user #table of the auth system import TicketTool import Cookie from mod_python import apache from mod_python.util import FieldStorage ticketTool = None def handler(req): apache.log_error( "[TicketMaster] calling handler() method" ) # this will only need doing once during the life of the apache child process global ticketTool if ticketTool == None: ticketTool = TicketTool.TicketTool(req) req.add_common_vars() request_uri = None # 1. check for a paramater named request_uri # 2. check for a cookie named request_uri # 3. check for a req.prev uri fields = FieldStorage(req) if fields.has_key('request_uri'): request_uri = fields['request_uri'] else: apache.log_error( "[TicketMaster] no request_uri param" ) if req.prev: request_uri = req.prev.unparsed_uri apache.log_error( "[TicketMaster] have a prev request_uri:" + request_uri ) else: cookies = Cookie.SimpleCookie() try: apache.log_error( "[TicketMaster] cookie headers_in:" + req.headers_in['Cookie'] ) cookies.load(req.headers_in['Cookie']) request_uri = cookies['request_uri'].value #request_uri = cookies['request_uri'] apache.log_error( "[TicketMaster] have a cookie request_uri:" + str(request_uri) ) except KeyError: apache.log_error( "[TicketMaster] no cookies were found, what now?" ) # if nothing by here, display and error and move on with life. # it's too short if request_uri == None: apache.log_error( "[TicketMaster] no request_uri could be found" ) no_cookie_error(req) return apache.OK user = '' try: user = req.subprocess_env['SSL_CLIENT_S_DN'] apache.log_error("[TicketMaster] user dn:" + user) except KeyError: apache.log_error("[TicketMaster] no SSL DN env variable!" ) display_missing_cert_screen(req, request_uri) return apache.OK result = 0 msg = '' if user: # I don't authenticate here, since the SSL layer does that # for me try: ticket = ticketTool.make_ticket(req, user) go_to_uri(req, request_uri, ticket) return apache.OK except: apache.log_error( 'could not create ticket, missing secret key?', apache.APLOG_ERR) raise #return apache.HTTP_INTERNAL_SERVER_ERROR apache.log_error( "[TicketMaster] no req.user, so cannot make ticket" ) display_missing_cert_screen(req, request_uri) return apache.OK def go_to_uri(req, request_uri, ticket): apache.log_error( "[TicketMaster] sending refresh to browser to go here:" + request_uri) apache.log_error( "[TicketMaster] setting the following cookie:" + ticket.output(header="")) req.content_type = 'text/html' req.headers_out['Set-Cookie'] = ticket.output(header="") # the following line causes MSIE to wig out, so don't uncomment it. #req.headers_out['Refresh'] = '1;' + request_uri req.headers_out['Pragma'] = 'no-cache' req.headers_out['Cache-Control'] = 'no-cache' req.headers_out['Expires'] = '-1' #req.send_http_header() req.write(""" Successfully Authenticated

Congratulations, you have successfully authenticated

Click here to continue

A nice explanation about the cookie I just set would be swell

""" % request_uri) return apache.OK def display_missing_cert_screen(req,request_uri): req.content_type = 'text/html' req.write(""" Missing Entrust PKI Certificate

The page you attempted to view (%s) was protected.

Protection for this web site is based on Digital Certificate technology. You need a PKI certificate to access this portion of the website. Contact Human Resources.

""" % request_uri) def no_cookie_error(req): req.content_type = 'text/html' req.write(""" Unable to Log In

Unable to Log In

This site uses cookies for security. Your browser must be capable of processing cookies and cookies must be activated. Please set your browser to accept cookies, then press the reload button.


""")