diff options
Diffstat (limited to 'src/leap/gui/firstrun/tests')
-rwxr-xr-x | src/leap/gui/firstrun/tests/integration/fake_provider.py | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/src/leap/gui/firstrun/tests/integration/fake_provider.py b/src/leap/gui/firstrun/tests/integration/fake_provider.py new file mode 100755 index 00000000..668db5d1 --- /dev/null +++ b/src/leap/gui/firstrun/tests/integration/fake_provider.py @@ -0,0 +1,302 @@ +#!/usr/bin/env python +"""A server faking some of the provider resources and apis, +used for testing Leap Client requests + +It needs that you create a subfolder named 'certs', +and that you place the following files: + +[ ] certs/leaptestscert.pem +[ ] certs/leaptestskey.pem +[ ] certs/cacert.pem +[ ] certs/openvpn.pem + +[ ] provider.json +[ ] eip-service.json +""" +# XXX NOTE: intended for manual debug. +# I intend to include this as a regular test after 0.2.0 release +# (so we can add twisted as a dep there) +import binascii +import json +import os +import sys + +# python SRP LIB (! important MUST be >=1.0.1 !) +import srp + +# GnuTLS Example -- is not working as expected +#from gnutls import crypto +#from gnutls.constants import COMP_LZO, COMP_DEFLATE, COMP_NULL +#from gnutls.interfaces.twisted import X509Credentials + +# Going with OpenSSL as a workaround instead +# But we DO NOT want to introduce this dependency. +from OpenSSL import SSL + +from zope.interface import Interface, Attribute, implements + +from twisted.web.server import Site +from twisted.web.static import File +from twisted.web.resource import Resource +from twisted.internet import reactor + +from leap.testing.https_server import where + +# See +# http://twistedmatrix.com/documents/current/web/howto/web-in-60/index.htmln +# for more examples + +""" +Testing the FAKE_API: +##################### + + 1) register an user + >> curl -d "user[login]=me" -d "user[password_salt]=foo" \ + -d "user[password_verifier]=beef" http://localhost:8000/1/users.json + << {"errors": null} + + 2) check that if you try to register again, it will fail: + >> curl -d "user[login]=me" -d "user[password_salt]=foo" \ + -d "user[password_verifier]=beef" http://localhost:8000/1/users.json + << {"errors": {"login": "already taken!"}} + +""" + +# Globals to mock user/sessiondb + +USERDB = {} +SESSIONDB = {} + + +safe_unhexlify = lambda x: binascii.unhexlify(x) \ + if (len(x) % 2 == 0) else binascii.unhexlify('0' + x) + + +class IUser(Interface): + login = Attribute("User login.") + salt = Attribute("Password salt.") + verifier = Attribute("Password verifier.") + session = Attribute("Session.") + svr = Attribute("Server verifier.") + + +class User(object): + implements(IUser) + + def __init__(self, login, salt, verifier): + self.login = login + self.salt = salt + self.verifier = verifier + self.session = None + + def set_server_verifier(self, svr): + self.svr = svr + + def set_session(self, session): + SESSIONDB[session] = self + self.session = session + + +class FakeUsers(Resource): + def __init__(self, name): + self.name = name + + def render_POST(self, request): + args = request.args + + login = args['user[login]'][0] + salt = args['user[password_salt]'][0] + verifier = args['user[password_verifier]'][0] + + if login in USERDB: + return "%s\n" % json.dumps( + {'errors': {'login': 'already taken!'}}) + + print login, verifier, salt + user = User(login, salt, verifier) + USERDB[login] = user + return json.dumps({'errors': None}) + + +def get_user(request): + login = request.args.get('login') + if login: + user = USERDB.get(login[0], None) + if user: + return user + + session = request.getSession() + user = SESSIONDB.get(session, None) + return user + + +class FakeSession(Resource): + def __init__(self, name): + self.name = name + + def render_GET(self, request): + return "%s\n" % json.dumps({'errors': None}) + + def render_POST(self, request): + + user = get_user(request) + + if not user: + # XXX get real error from demo provider + return json.dumps({'errors': 'no such user'}) + + A = request.args['A'][0] + + _A = safe_unhexlify(A) + _salt = safe_unhexlify(user.salt) + _verifier = safe_unhexlify(user.verifier) + + svr = srp.Verifier( + user.login, + _salt, + _verifier, + _A, + hash_alg=srp.SHA256, + ng_type=srp.NG_1024) + + s, B = svr.get_challenge() + + _B = binascii.hexlify(B) + + print 'login = %s' % user.login + print 'salt = %s' % user.salt + print 'len(_salt) = %s' % len(_salt) + print 'vkey = %s' % user.verifier + print 'len(vkey) = %s' % len(_verifier) + print 's = %s' % binascii.hexlify(s) + print 'B = %s' % _B + print 'len(B) = %s' % len(_B) + + session = request.getSession() + user.set_session(session) + user.set_server_verifier(svr) + + # yep, this is tricky. + # some things are *already* unhexlified. + data = { + 'salt': user.salt, + 'B': _B, + 'errors': None} + + return json.dumps(data) + + def render_PUT(self, request): + + # XXX check session??? + user = get_user(request) + + if not user: + print 'NO USER' + return json.dumps({'errors': 'no such user'}) + + data = request.content.read() + auth = data.split("client_auth=") + M = auth[1] if len(auth) > 1 else None + # if not H, return + if not M: + return json.dumps({'errors': 'no M proof passed by client'}) + + svr = user.svr + HAMK = svr.verify_session(binascii.unhexlify(M)) + if HAMK is None: + print 'verification failed!!!' + raise Exception("Authentication failed!") + #import ipdb;ipdb.set_trace() + + assert svr.authenticated() + print "***" + print 'server authenticated user SRP!' + print "***" + + return json.dumps( + {'M2': binascii.hexlify(HAMK), 'errors': None}) + + +class API_Sessions(Resource): + def getChild(self, name, request): + return FakeSession(name) + + +def get_certs_path(): + script_path = os.path.realpath(os.path.dirname(sys.argv[0])) + certs_path = os.path.join(script_path, 'certs') + return certs_path + + +def get_TLS_credentials(): + # XXX this is giving errors + # XXX REview! We want to use gnutls! + + cert = crypto.X509Certificate( + open(where('leaptestscert.pem')).read()) + key = crypto.X509PrivateKey( + open(where('leaptestskey.pem')).read()) + ca = crypto.X509Certificate( + open(where('cacert.pem')).read()) + #crl = crypto.X509CRL(open(certs_path + '/crl.pem').read()) + #cred = crypto.X509Credentials(cert, key, [ca], [crl]) + cred = X509Credentials(cert, key, [ca]) + cred.verify_peer = True + cred.session_params.compressions = (COMP_LZO, COMP_DEFLATE, COMP_NULL) + return cred + + +class OpenSSLServerContextFactory: + # XXX workaround for broken TLS interface + # from gnuTLS. + + def getContext(self): + """Create an SSL context. + This is a sample implementation that loads a certificate from a file + called 'server.pem'.""" + + ctx = SSL.Context(SSL.SSLv23_METHOD) + #certs_path = get_certs_path() + #ctx.use_certificate_file(certs_path + '/leaptestscert.pem') + #ctx.use_privatekey_file(certs_path + '/leaptestskey.pem') + ctx.use_certificate_file(where('leaptestscert.pem')) + ctx.use_privatekey_file(where('leaptestskey.pem')) + return ctx + + +def serve_fake_provider(): + root = Resource() + root.putChild("provider.json", File("./provider.json")) + config = Resource() + config.putChild( + "eip-service.json", + File("./eip-service.json")) + apiv1 = Resource() + apiv1.putChild("config", config) + apiv1.putChild("sessions.json", API_Sessions()) + apiv1.putChild("users.json", FakeUsers(None)) + apiv1.putChild("cert", File(get_certs_path() + '/openvpn.pem')) + root.putChild("1", apiv1) + + cred = get_TLS_credentials() + + factory = Site(root) + + # regular http (for debugging with curl) + reactor.listenTCP(8000, factory) + + # TLS with gnutls --- seems broken :( + #reactor.listenTLS(8003, factory, cred) + + # OpenSSL + reactor.listenSSL(8443, factory, OpenSSLServerContextFactory()) + + reactor.run() + + +if __name__ == "__main__": + + from twisted.python import log + log.startLogging(sys.stdout) + + serve_fake_provider() |