kallithea Changeset - e04106e46d6f

Changeset - e04106e46d6f

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Thomas De Schampheleire - 11 years ago 2015-03-30 21:27:02
thomas.de.schampheleire@gmail.com

auth: return early in LoginRequired on API key validation

Simplify the logic in the LoginRequired decorator when Kallithea is accessed
using an API key. Either:
- the key is valid and API access is allowed for the accessed method
(continue), or
- the key is invalid (redirect to login page), or
- the accessed method does not allow API access (403 Forbidden)

In none of these cases does it make sense to continue checking for user
authentication, so return early.

2 files changed with 17 insertions and 19 deletions:

kallithea/lib/auth.py

kallithea/tests/functional/test_login.py

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kallithea/lib/auth.py

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@@ @@ -752,26 +752,25 @@ class LoginRequired(object): @@
         if not user.ip_allowed:
             return redirect_to_login(_('IP %s not allowed' % (user.ip_addr)))
         # check if we used an APIKEY and it's a valid one
         # defined whitelist of controllers which API access will be enabled
         _api_key = request.GET.get('api_key', '')
         api_access_valid = allowed_api_access(loc, api_key=_api_key)
         # check if we used an API key and it's a valid one
         api_key = request.GET.get('api_key')
         if api_key is not None:
         # explicit controller is enabled or API is in our whitelist
         if self.api_access or api_access_valid:
             log.debug('Checking API KEY access for %s' % cls)
             if _api_key and _api_key in user.api_keys:
                 api_access_valid = True
                 log.debug('API KEY ****%s is VALID' % _api_key[-4:])
             if self.api_access or allowed_api_access(loc, api_key=api_key):
                 if api_key in user.api_keys:
                     log.info('user %s authenticated with API key ****%s @ %s'
                              % (user, api_key[-4:], loc))
                     return func(*fargs, **fkwargs)
             else:
                 api_access_valid = False
                 if not _api_key:
                     log.debug("API KEY *NOT* present in request")
                     log.warning('API key ****%s is NOT valid' % api_key[-4:])
                     return redirect_to_login(_('Invalid API key'))
                 else:
                     log.warning("API KEY ****%s *NOT* valid" % _api_key[-4:])
                 # controller does not allow API access
                 log.warning('API access to %s is not allowed' % loc)
                 return abort(403)
         # CSRF protection - POSTs with session auth must contain correct token
-        if request.POST and user.is_authenticated and not api_access_valid:
         if request.POST and user.is_authenticated:
             token = request.POST.get(secure_form.token_key)
             if not token or token != secure_form.authentication_token():
                 log.error('CSRF check failed')
@@ @@ -780,15 +779,14 @@ class LoginRequired(object): @@
         log.debug('Checking if %s is authenticated @ %s' % (user.username, loc))
         reason = 'RegularAuth' if user.is_authenticated else 'APIAuth'
-        if user.is_authenticated or api_access_valid:
         if user.is_authenticated:
             log.info('user %s authenticating with:%s IS authenticated on func %s '
                      % (user, reason, loc)
+            )
             return func(*fargs, **fkwargs)
         else:
             log.warning('user %s authenticating with:%s NOT authenticated on func: %s: '
                      'API_ACCESS:%s'
                      % (user, reason, loc, api_access_valid)
                      % (user, reason, loc)
+            )
             return redirect_to_login()

kallithea/tests/functional/test_login.py

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@@ @@ -319,7 +319,7 @@ class TestLoginController(TestController @@
                 self.app.get(url(controller='changeset',
                                  action='changeset_raw',
                                  repo_name=HG_REPO, revision='tip', api_key=api_key),
-                             status=302)
+                             status=403)
     @parameterized.expand([
         ('none', None, 302),

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