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Repository URL to install this package:
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Version:
0.4.2 ▾
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import urllib
from paste.httpheaders import CONTENT_LENGTH
from paste.httpheaders import CONTENT_TYPE
from paste.httpheaders import LOCATION
from paste.httpexceptions import HTTPFound
from paste.request import parse_dict_querystring
from paste.request import parse_formvars
from paste.request import construct_url
from zope.interface import implements
from repoze.who.interfaces import IChallenger
from repoze.who.interfaces import IIdentifier
from repoze.who.plugins.form import FormPlugin
_DEFAULT_FORM = """
<html>
<head>
<title>Demo Organization Log In</title>
</head>
<body>
<div>
<b>Demo Organization Log In</b>
</div>
<br/>
<form method="POST" action="?__do_login=true">
<table width="350" border="0" cellspacing="0" cellpadding="1">
<tr>
<td bgcolor="#999999">
<table width="350" border="0"
cellpadding="3" cellspacing="0" bgcolor="#e6e6e6">
<tr>
<td colspan="2">
</td>
</tr>
<tr>
<td width="85">
<font color="#CC3300" >
<strong>
Användarnamn/Username:
</strong>
</font>
</td>
<td width="295">
<input type="text" name="login">
</td>
</tr>
<tr>
<td width="85">
<font color="#CC3300">
<strong>
Lösenord/Password:
</strong>
</font>
</td>
<td width="295">
<input type="password" name="password">
</td>
</tr>
<tr>
<td colspan="2">
<input name="submit" type="submit" value="Logga in">
</td>
</tr>
</table>
</td>
</tr>
</table>
%s
</form>
<pre>
</pre>
</body>
</html>
"""
HIDDEN_PRE_LINE = """<input type=hidden name="%s" value="%s">"""
class FormHiddenPlugin(FormPlugin):
implements(IChallenger, IIdentifier)
# IIdentifier
def identify(self, environ):
logger = environ.get('repoze.who.logger','')
logger and logger.info("formplugin identify")
#logger and logger.info("environ keys: %s" % environ.keys())
query = parse_dict_querystring(environ)
# If the extractor finds a special query string on any request,
# it will attempt to find the values in the input body.
if query.get(self.login_form_qs):
form = parse_formvars(environ)
from StringIO import StringIO
# we need to replace wsgi.input because we've read it
# this smells funny
environ['wsgi.input'] = StringIO()
form.update(query)
qinfo = {}
for key, val in form.items():
if key.startswith("_") and key.endswith("_"):
qinfo[key[1:-1]] = val
if qinfo:
environ["s2repoze.qinfo"] = qinfo
try:
login = form['login']
password = form['password']
except KeyError:
return None
del query[self.login_form_qs]
query.update(qinfo)
environ['QUERY_STRING'] = urllib.urlencode(query)
environ['repoze.who.application'] = HTTPFound(
construct_url(environ))
credentials = {'login':login, 'password':password}
max_age = form.get('max_age', None)
if max_age is not None:
credentials['max_age'] = max_age
return credentials
return None
# IChallenger
def challenge(self, environ, status, app_headers, forget_headers):
logger = environ.get('repoze.who.logger','')
logger and logger.info("formplugin challenge")
if app_headers:
location = LOCATION(app_headers)
if location:
headers = list(app_headers) + list(forget_headers)
return HTTPFound(headers = headers)
query = parse_dict_querystring(environ)
hidden = []
for key, val in query.items():
hidden.append(HIDDEN_PRE_LINE % ("_%s_" % key, val))
logger and logger.info("hidden: %s" % (hidden,))
form = self.formbody or _DEFAULT_FORM
form = form % "\n".join(hidden)
if self.formcallable is not None:
form = self.formcallable(environ)
def auth_form(environ, start_response):
content_length = CONTENT_LENGTH.tuples(str(len(form)))
content_type = CONTENT_TYPE.tuples('text/html')
headers = content_length + content_type + forget_headers
start_response('200 OK', headers)
return [form]
return auth_form
def make_plugin(login_form_qs='__do_login', rememberer_name=None, form=None):
if rememberer_name is None:
raise ValueError(
'must include rememberer key (name of another IIdentifier plugin)')
if form is not None:
form = open(form).read()
plugin = FormHiddenPlugin(login_form_qs, rememberer_name, form)
return plugin