working version of the fake provider.

wizard can now be completely tested against this.

1 files changed, 88 insertions, 38 deletions

diff --git a/src/leap/base/auth.py b/src/leap/base/auth.py
index f1b618ba..58ae9d69 100644
--- a/src/leap/base/auth.py
+++ b/src/leap/base/auth.py
@@ -10,27 +10,46 @@ from PyQt4 import QtCore
 
 from leap.base import constants as baseconstants
 from leap.crypto import leapkeyring
+from leap.util.web import get_https_domain_and_port
 
 logger = logging.getLogger(__name__)
 
 SIGNUP_TIMEOUT = getattr(baseconstants, 'SIGNUP_TIMEOUT', 5)
 
-# XXX remove me!!
-SERVER = "https://localhost:8443/1"
-
-
 """
 Registration and authentication classes for the
 SRP auth mechanism used in the leap platform.
 
-We're currently using the (pure python?) srp library since
-it seemed the fastest way of getting something working.
-
-In the future we can switch to use python-gnutls, since
-libgnutls implements srp protocol.
+We're using the srp library which uses a c-based implementation
+of the protocol if the c extension is available, and a python-based
+one if not.
 """
 
 
+class ImproperlyConfigured(Exception):
+    """
+    """
+
+
+class SRPAuthenticationError(Exception):
+    """
+    exception raised
+    for authentication errors
+    """
+
+
+def null_check(value, value_name):
+    try:
+        assert value is not None
+    except AssertionError:
+        raise ImproperlyConfigured(
+            "%s parameter cannot be None" % value_name)
+
+
+safe_unhexlify = lambda x: binascii.unhexlify(x) \
+    if (len(x) % 2 == 0) else binascii.unhexlify('0' + x)
+
+
 class LeapSRPRegister(object):
 
     def __init__(self,
@@ -45,9 +64,19 @@ class LeapSRPRegister(object):
                  hashfun=srp.SHA256,
                  ng_constant=srp.NG_1024):
 
+        null_check(provider, provider)
+
         self.schema = schema
+
+        # XXX FIXME
         self.provider = provider
         self.port = port
+        # XXX splitting server,port
+        # deprecate port call.
+        domain, port = get_https_domain_and_port(provider)
+        self.provider = domain
+        self.port = port
+
         self.verify = verify
         self.register_path = register_path
         self.method = method
@@ -110,27 +139,16 @@ class LeapSRPRegister(object):
         return (req.ok, req)
 
 
-class SRPAuthenticationError(Exception):
-    """
-    exception raised
-    for authentication errors
-    """
-    pass
-
-safe_unhexlify = lambda x: binascii.unhexlify(x) \
-    if (len(x) % 2 == 0) else binascii.unhexlify('0' + x)
-
-
 class SRPAuth(requests.auth.AuthBase):
 
-    def __init__(self, username, password, verify=None):
+    def __init__(self, username, password, server=None, verify=None):
+        # sanity check
+        null_check(server, 'server')
         self.username = username
         self.password = password
+        self.server = server
         self.verify = verify
 
-        # XXX init something similar to
-        # SERVER...
-
         self.init_data = None
         self.session = requests.session()
 
@@ -159,7 +177,7 @@ class SRPAuth(requests.auth.AuthBase):
     def get_init_data(self):
         try:
             init_session = self.session.post(
-                SERVER + '/sessions.json/',
+                self.server + '/1/sessions.json/',
                 data=self.get_auth_data(),
                 verify=self.verify)
         except requests.exceptions.ConnectionError:
@@ -176,7 +194,7 @@ class SRPAuth(requests.auth.AuthBase):
     def get_server_proof_data(self):
         try:
             auth_result = self.session.put(
-                SERVER + '/sessions.json/' + self.username,
+                self.server + '/1/sessions.json/' + self.username,
                 data={'client_auth': binascii.hexlify(self.M)},
                 verify=self.verify)
         except requests.exceptions.ConnectionError:
@@ -258,18 +276,18 @@ class SRPAuth(requests.auth.AuthBase):
         return req
 
 
-def srpauth_protected(user=None, passwd=None, verify=True):
+def srpauth_protected(user=None, passwd=None, server=None, verify=True):
     """
     decorator factory that accepts
     user and password keyword arguments
     and add those to the decorated request
     """
-    def srpauth(fn, user=user, passwd=passwd):
+    def srpauth(fn):
         def wrapper(*args, **kwargs):
-            print 'uri is ', args[0]
             if user and passwd:
-                auth = SRPAuth(user, passwd, verify)
+                auth = SRPAuth(user, passwd, server, verify)
                 kwargs['auth'] = auth
+                kwargs['verify'] = verify
             return fn(*args, **kwargs)
         return wrapper
     return srpauth
@@ -305,6 +323,9 @@ def magick_srpauth(fn):
         # Unless we keep a table with the
         # equivalencies...
         user, passwd = get_leap_credentials()
+
+        # XXX pass verify and server too
+        # (pop)
         auth = SRPAuth(user, passwd)
         kwargs['auth'] = auth
         return fn(*args, **kwargs)
@@ -312,14 +333,43 @@ def magick_srpauth(fn):
 
 
 if __name__ == "__main__":
+    """
+    To test against test_provider (twisted version)
+    Register an user: (will be valid during the session)
+    >>> python auth.py add test password
+
+    Test login with that user:
+    >>> python auth.py login test password
+    """
+
     import sys
-    user = sys.argv[1]
-    passwd = sys.argv[2]
 
-    @srpauth_protected(user=user, passwd=passwd)
-    def test_srp_protected_get(*args, **kwargs):
-        req = requests.get(*args, **kwargs)
-        req.raise_for_status
-        #print req.content
+    if len(sys.argv) not in (4, 5):
+        print 'Usage: auth <add|login> <user> <pass> [server]'
+        sys.exit(0)
+
+    action = sys.argv[1]
+    user = sys.argv[2]
+    passwd = sys.argv[3]
+
+    if len(sys.argv) == 5:
+        SERVER = sys.argv[4]
+    else:
+        SERVER = "https://localhost:8443"
+
+    if action == "login":
+
+        @srpauth_protected(
+            user=user, passwd=passwd, server=SERVER, verify=False)
+        def test_srp_protected_get(*args, **kwargs):
+            req = requests.get(*args, **kwargs)
+            req.raise_for_status
+            return req
+
+        req = test_srp_protected_get('https://localhost:8443/1/cert')
+        print 'cert :', req.content[:200] + "..."
+        sys.exit(0)
 
-    test_srp_protected_get('http://localhost:8443/1/cert')
+    if action == "add":
+        auth = LeapSRPRegister(provider=SERVER, verify=False)
+        auth.register_user(user, passwd)