--- /dev/null
+#!/usr/bin/python
+#
+# Copyright (C) 2014 Simo Sorce <simo@redhat.com>
+#
+# see file 'COPYING' for use and warranty information
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+from lxml import html
+import requests
+import string
+import urlparse
+
+
+class WrongPage(Exception):
+ pass
+
+
+class PageTree(object):
+
+ def __init__(self, result):
+ self.result = result
+ self.text = result.text
+ self._tree = None
+
+ @property
+ def tree(self):
+ if not self._tree:
+ self._tree = html.fromstring(self.text)
+ return self._tree
+
+ def first_value(self, rule):
+ result = self.tree.xpath(rule)
+ if type(result) is list:
+ if len(result) > 0:
+ result = result[0]
+ else:
+ result = None
+ return result
+
+ def all_values(self, rule):
+ result = self.tree.xpath(rule)
+ if type(result) is list:
+ return result
+ return [result]
+
+ def make_referer(self):
+ return self.result.url
+
+ def expected_value(self, rule, expected):
+ value = self.first_value(rule)
+ if value != expected:
+ raise ValueError("Expected [%s], got [%s]" % (expected, value))
+
+
+class HttpSessions(object):
+
+ def __init__(self):
+ self.servers = dict()
+
+ def add_server(self, name, baseuri, user=None, pwd=None):
+ new = {'baseuri': baseuri,
+ 'session': requests.Session()}
+ if user:
+ new['user'] = user
+ if pwd:
+ new['pwd'] = pwd
+ self.servers[name] = new
+
+ def get_session(self, url):
+ for srv in self.servers:
+ d = self.servers[srv]
+ if url.startswith(d['baseuri']):
+ return d['session']
+
+ raise ValueError("Unknown URL: %s" % url)
+
+ def get(self, url, **kwargs):
+ session = self.get_session(url)
+ return session.get(url, allow_redirects=False, **kwargs)
+
+ def post(self, url, **kwargs):
+ session = self.get_session(url)
+ return session.post(url, allow_redirects=False, **kwargs)
+
+ def access(self, action, url, **kwargs):
+ action = string.lower(action)
+ if action == 'get':
+ return self.get(url, **kwargs)
+ elif action == 'post':
+ return self.post(url, **kwargs)
+ else:
+ raise ValueError("Unknown action type: [%s]" % action)
+
+ def new_url(self, referer, action):
+ if action.startswith('/'):
+ u = urlparse.urlparse(referer)
+ return '%s://%s%s' % (u.scheme, u.netloc, action)
+ return action
+
+ def get_form_data(self, page, form_id, input_fields):
+ values = []
+ action = page.first_value('//form[@id="%s"]/@action' % form_id)
+ values.append(action)
+ method = page.first_value('//form[@id="%s"]/@method' % form_id)
+ values.append(method)
+ for field in input_fields:
+ value = page.all_values('//form[@id="%s"]/input/@%s' % (form_id,
+ field))
+ values.append(value)
+ return values
+
+ def handle_login_form(self, idp, page):
+ if type(page) != PageTree:
+ raise TypeError("Expected PageTree object")
+
+ srv = self.servers[idp]
+
+ try:
+ results = self.get_form_data(page, "login_form", [])
+ action_url = results[0]
+ method = results[1]
+ if action_url is None:
+ raise Exception
+ except Exception: # pylint: disable=broad-except
+ raise WrongPage("Not a Login Form Page")
+
+ referer = page.make_referer()
+ headers = {'referer': referer}
+ payload = {'login_name': srv['user'],
+ 'login_password': srv['pwd']}
+
+ return [method, self.new_url(referer, action_url),
+ {'headers': headers, 'data': payload}]
+
+ def handle_return_form(self, page):
+ if type(page) != PageTree:
+ raise TypeError("Expected PageTree object")
+
+ try:
+ results = self.get_form_data(page, "saml-response",
+ ["name", "value"])
+ action_url = results[0]
+ if action_url is None:
+ raise Exception
+ method = results[1]
+ names = results[2]
+ values = results[3]
+ except Exception: # pylint: disable=broad-except
+ raise WrongPage("Not a Return Form Page")
+
+ referer = page.make_referer()
+ headers = {'referer': referer}
+
+ payload = {}
+ for i in range(0, len(names)):
+ payload[names[i]] = values[i]
+
+ return [method, self.new_url(referer, action_url),
+ {'headers': headers, 'data': payload}]
+
+ def fetch_page(self, idp, target_url):
+ url = target_url
+ action = 'get'
+ args = {}
+
+ while True:
+ r = self.access(action, url, **args) # pylint: disable=star-args
+ if r.status_code == 303:
+ url = r.headers['location']
+ action = 'get'
+ args = {}
+ elif r.status_code == 200:
+ page = PageTree(r)
+
+ try:
+ (action, url, args) = self.handle_login_form(idp, page)
+ continue
+ except WrongPage:
+ pass
+
+ try:
+ (action, url, args) = self.handle_return_form(page)
+ continue
+ except WrongPage:
+ pass
+
+ # Either we got what we wanted, or we have to stop anyway
+ return page
+ else:
+ raise ValueError("Unhandled status (%d) on url %s" % (
+ r.status_code, url))
+
+ def auth_to_idp(self, idp):
+
+ srv = self.servers[idp]
+ target_url = '%s/%s/' % (srv['baseuri'], idp)
+
+ r = self.access('get', target_url)
+ if r.status_code != 200:
+ raise ValueError("Access to idp failed: %s" % repr(r))
+
+ page = PageTree(r)
+ page.expected_value('//div[@id="content"]/p/a/text()', 'Log In')
+ href = page.first_value('//div[@id="content"]/p/a/@href')
+ url = self.new_url(target_url, href)
+
+ page = self.fetch_page(idp, url)
+ page.expected_value('//div[@id="welcome"]/p/text()',
+ 'Welcome %s!' % srv['user'])
+
+ def add_sp_metadata(self, idp, sp):
+ idpsrv = self.servers[idp]
+ idpuri = idpsrv['baseuri']
+ spuri = self.servers[sp]['baseuri']
+
+ url = '%s/%s/admin/providers/saml2/admin/new' % (idpuri, idp)
+ headers = {'referer': url}
+ payload = {'name': sp}
+ m = requests.get('%s/saml2/metadata' % spuri)
+ metafile = {'metafile': m.content}
+ r = idpsrv['session'].post(url, headers=headers,
+ data=payload, files=metafile)
+ if r.status_code != 200:
+ raise ValueError('Failed to post SP data [%s]' % repr(r))
+
+ page = PageTree(r)
+ page.expected_value('//div[@class="alert alert-success"]/p/text()',
+ 'SP Successfully added')
projects / cascardo / ipsilon.git / blobdiff