def check_password(username,password):
"""connects to external site and submits username/password pair
return True or False depending on correctness of login
saves remote unique id and remote session data in table ExternalLoginData
may raise forms.ValidationError
"""
host = settings.EXTERNAL_LEGACY_LOGIN_HOST
port = settings.EXTERNAL_LEGACY_LOGIN_PORT
ext_site = httplib.HTTPConnection(host,port)
print 'connected to %s:%s' % (str(host),str(port))
#custom code. this one does authentication through
#MediaWiki API
params = urllib.urlencode({'action':'login','format':'xml',
'lgname':username,'lgpassword':password})
headers = {"Content-type": "application/x-www-form-urlencoded",
'User-Agent':"User-Agent':'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.7) Gecko/2009021910 Firefox/3.0.7",
"Accept": "text/xml"}
ext_site.request("POST","/wiki/api.php",params,headers)
response = ext_site.getresponse()
if response.status != 200:
raise forms.ValidationError('error ' + response.status + ' ' + response.reason)
data = response.read().strip()
ext_site.close()
print data
dom = xml.parseString(data)
login = dom.getElementsByTagName('login')[0]
result = login.getAttribute('result')
if result == 'Success':
username = login.getAttribute('lgusername')
try:
eld = ExternalLoginData.objects.get(external_username=username)
except ExternalLoginData.DoesNotExist:
eld = ExternalLoginData()
eld.external_username = username
eld.external_session_data = data
eld.save()
return True
else:
error = login.getAttribute('details')
raise forms.ValidationError(error)
return False
