def VerifyPermissions(self,
required_permission,
user=None,
permission_type=None):
"""Verifies a valid user is logged in.
Args:
required_permission: permission string from permissions.*.
user: optional, models.User entity; default current user.
permission_type: optional, string, one of permission.TYPE_* variables. if
omitted, self.PERMISSION_TYPE is used.
Returns:
models.User object of the current user.
Raises:
models.AccessDeniedError: there was a permissions issue.
"""
permission_type = permission_type or self.PERMISSION_TYPE
if not permission_type:
raise models.AccessDeniedError('permission_type not specified')
if user is None:
user = models.GetCurrentUser()
try:
if not user.HasPerm(required_permission,
permission_type=permission_type):
raise models.AccessDeniedError('User lacks %s permission' %
required_permission)
except ValueError:
raise models.AccessDeniedError('unknown permission_type: %s' %
permission_type)
return user
def testByPermReadUserWithNoOwner(self):
mock_user = self.mox.CreateMockAnything(models.User)
mock_user.user = self.mox.CreateMockAnything(users.User)
mock_user.user.email = lambda: '*****@*****.**'
mock_entity = models.LuksVolume
mock_entity.owner = None
self.mox.StubOutWithMock(self.c, 'RenderTemplate')
data = self._GetDataDict(mock_entity, mock_user)
self.c.RenderTemplate('retrieval_email.txt', data,
response_out=False).AndReturn('body')
self.mox.StubOutWithMock(util, 'SendEmail')
self.mox.StubOutWithMock(settings, 'RETRIEVE_AUDIT_ADDRESSES')
settings.RETRIEVE_AUDIT_ADDRESSES = ['*****@*****.**']
self.mox.StubOutWithMock(self.c, 'VerifyPermissions')
self.c.VerifyPermissions(permissions.SILENT_RETRIEVE,
user=mock_user).AndRaise(
models.AccessDeniedError('test'))
owner_email = '%s@%s' % (mock_entity.owner,
settings.DEFAULT_EMAIL_DOMAIN)
user_email = mock_user.user.email()
util.SendEmail([user_email] + settings.RETRIEVE_AUDIT_ADDRESSES,
settings.LUKS_RETRIEVAL_EMAIL_SUBJECT, 'body')
self.mox.ReplayAll()
self.c.SendRetrievalEmail(mock_entity, mock_user)
self.mox.VerifyAll()
def testProvisioningAsNonOwner(self):
self.c = handlers.ProvisioningAccessHandler()
self.mox.StubOutWithMock(self.c, 'VerifyXsrfToken')
self.c.VerifyXsrfToken('RetrieveSecret')
mock_user = self.mox.CreateMockAnything()
mock_user.email = '*****@*****.**'
self.mox.StubOutWithMock(models, 'GetCurrentUser')
models.GetCurrentUser().AndReturn(mock_user)
self.mox.StubOutWithMock(self.c, 'VerifyPermissions')
self.c.VerifyPermissions(
permissions.RETRIEVE, user=mock_user).AndRaise(
models.AccessDeniedError('user is not an admin'))
self.c.VerifyPermissions(permissions.RETRIEVE_OWN, user=mock_user)
uuid = 'foovolumeuuid'
passphrase = 'foopassphrase'
mock_entity = self.mox.CreateMockAnything()
mock_entity.passphrase = passphrase
mock_entity.owner = 'mock_user_foo'
self.mox.StubOutWithMock(models.ProvisioningVolume, 'get_by_key_name')
models.ProvisioningVolume.get_by_key_name(uuid).AndReturn(mock_entity)
mock_user.user = self.mox.CreateMockAnything()
self.mox.StubOutWithMock(mock_user.user, 'nickname')
mock_user.user.nickname().AndReturn('mock_user_bar')
self.mox.ReplayAll()
self.assertRaises(models.AccessError, self.c.RetrieveSecret, uuid)
self.mox.VerifyAll()
def testPut(self, incr, get_current_user):
incr.return_value = 1
get_current_user.side_effect = models.AccessDeniedError('no user')
log = models.AccessLog()
log.put()
incr.assert_called_once_with('AccessLogCounter', initial_value=0)
def testPut(self):
self.mox.StubOutWithMock(models.memcache, 'incr')
self.mox.StubOutWithMock(models, 'GetCurrentUser')
models.memcache.incr('AccessLogCounter', initial_value=0).AndReturn(1)
models.GetCurrentUser().AndRaise(models.AccessDeniedError('no user'))
self.mox.ReplayAll()
log = models.AccessLog()
log.put()
self.mox.VerifyAll()
def VerifyPermissions(required_permission, user, permission_type):
"""Verifies a valid user is logged in.
Args:
required_permission: permission string from permissions.*.
user: models.User entity; default current user.
permission_type: string, one of permission.TYPE_* variables.
Raises:
models.AccessDeniedError: there was a permissions issue.
"""
if not permission_type:
raise models.AccessDeniedError('permission_type not specified')
try:
if not user.HasPerm(required_permission,
permission_type=permission_type):
raise models.AccessDeniedError('User lacks %s permission' %
required_permission)
except ValueError:
raise models.AccessDeniedError('unknown permission_type: %s' %
permission_type)
def testLuksAsOwnerBarcodeTooLong(self):
self.mox.StubOutWithMock(self.c, 'VerifyXsrfToken')
self.c.VerifyXsrfToken('RetrieveSecret')
mock_user = self.mox.CreateMockAnything()
mock_user.email = '*****@*****.**'
mock_user.__getitem__('email').AndReturn(mock_user.email)
self.mox.StubOutWithMock(models, 'GetCurrentUser')
models.GetCurrentUser().AndReturn(mock_user)
models.GetCurrentUser().AndReturn(mock_user)
self.mox.StubOutWithMock(self.c, 'VerifyPermissions')
self.c.VerifyPermissions(
permissions.RETRIEVE, user=mock_user).AndRaise(
models.AccessDeniedError('user is not an admin'))
self.c.VerifyPermissions(permissions.RETRIEVE_OWN, user=mock_user)
volume_uuid = 'foovolumeuuid'
passphrase = '676ffb71232f71ee0ddf643876907f17' * 20
self.c.request = {'json': '0'}
self.c.response = self.mox.CreateMockAnything()
self.c.response.out = self.mox.CreateMockAnything()
self.c.response.out.write(
mox.And(mox.Not(mox.Regex(r'<img class="qr_code" ')),
mox.Regex(passphrase)))
mock_entity = self.mox.CreateMockAnything()
mock_entity.passphrase = passphrase
mock_entity.owner = '*****@*****.**'
self.mox.StubOutWithMock(models.LuksVolume, 'get_by_key_name')
models.LuksVolume.get_by_key_name(volume_uuid).AndReturn(mock_entity)
mock_user.user = self.mox.CreateMockAnything()
self.mox.StubOutWithMock(mock_user.user, 'nickname')
mock_user.user.nickname().AndReturn('mock_user_foo')
self.mox.StubOutWithMock(models.LuksAccessLog, 'Log')
models.LuksAccessLog.Log(message='GET',
entity=mock_entity,
request=self.c.request)
self.mox.StubOutWithMock(self.c, 'SendRetrievalEmail')
self.c.SendRetrievalEmail(mock_entity, mock_user).AndReturn(None)
self.mox.ReplayAll()
self.c.RetrieveSecret(volume_uuid)
self.mox.VerifyAll()
def testProvisioningAsOwner(self):
self.c = handlers.ProvisioningAccessHandler()
self.mox.StubOutWithMock(self.c, 'VerifyXsrfToken')
self.c.VerifyXsrfToken('RetrieveSecret')
mock_user = self.mox.CreateMockAnything()
mock_user.email = '*****@*****.**'
self.mox.StubOutWithMock(models, 'GetCurrentUser')
models.GetCurrentUser().AndReturn(mock_user)
self.mox.StubOutWithMock(self.c, 'VerifyPermissions')
self.c.VerifyPermissions(
permissions.RETRIEVE, user=mock_user).AndRaise(
models.AccessDeniedError('user is not an admin'))
self.c.VerifyPermissions(permissions.RETRIEVE_OWN, user=mock_user)
uuid = 'foovolumeuuid'
passphrase = 'foopassphrase'
self.c.request = {'json': '1'}
self.c.response = self.mox.CreateMockAnything()
self.c.response.out = self.mox.CreateMockAnything()
self.c.response.out.write(handlers.JSON_PREFIX +
'{"passphrase": "%s"}' % passphrase)
mock_entity = self.mox.CreateMockAnything()
mock_entity.passphrase = passphrase
mock_entity.owner = 'mock_user_foo'
self.mox.StubOutWithMock(models.ProvisioningVolume, 'get_by_key_name')
models.ProvisioningVolume.get_by_key_name(uuid).AndReturn(mock_entity)
mock_user.user = self.mox.CreateMockAnything()
self.mox.StubOutWithMock(mock_user.user, 'nickname')
mock_user.user.nickname().AndReturn('mock_user_foo')
self.mox.StubOutWithMock(models.ProvisioningAccessLog, 'Log')
models.ProvisioningAccessLog.Log(message='GET',
entity=mock_entity,
request=self.c.request)
self.mox.StubOutWithMock(self.c, 'SendRetrievalEmail')
self.c.SendRetrievalEmail(mock_entity, mock_user).AndReturn(None)
self.mox.ReplayAll()
self.c.RetrieveSecret(uuid)
self.mox.VerifyAll()
def VerifyXsrfToken(self, action):
"""Verifies a valid XSRF token was passed for the current request.
Args:
action: String, validate the token against this action.
Returns:
Boolean. True if the XSRF Token was valid.
Raises:
models.AccessDeniedError: the XSRF token was invalid or not supplied.
"""
xsrf_token = self.request.get('xsrf-token', None)
if settings.XSRF_PROTECTION_ENABLED:
if not util.XsrfTokenValidate(xsrf_token, action):
raise models.AccessDeniedError('Valid XSRF token not provided')
elif not xsrf_token:
logging.info(
'Ignoring missing XSRF token; settings.XSRF_PROTECTION_ENABLED=False'
)
return True
def get(self): # pylint: disable=g-bad-name
"""Handles GET requests."""
# TODO(user): Users with retrieve_own should not need to search to
# retrieve their escrowed secrets.
if self.request.get('json', '0') != '1':
search_type = self.request.get('search_type')
field1 = urllib.quote(self.request.get('field1'))
value1 = urllib.quote(self.request.get('value1').strip())
prefix_search = urllib.quote(self.request.get(
'prefix_search', '0'))
if search_type and field1 and value1:
self.redirect('/ui/#/search/%s/%s/%s/%s' %
(search_type, field1, value1, prefix_search))
else:
self.redirect('/ui/')
return
tag = self.request.get('tag', 'default')
search_type = self.request.get('search_type')
field1 = self.request.get('field1')
value1 = self.request.get('value1').strip()
prefix_search = self.request.get('prefix_search', '0') == '1'
if search_type not in SEARCH_TYPES:
raise handlers.InvalidArgumentError('Invalid search_type %s' %
search_type)
if not (field1 and value1):
raise handlers.InvalidArgumentError('Missing field1 or value1')
# Get the user's search and retrieve permissions for all permission types.
search_perms = handlers.VerifyAllPermissionTypes(permissions.SEARCH)
retrieve_perms = handlers.VerifyAllPermissionTypes(
permissions.RETRIEVE_OWN)
retrieve_created = handlers.VerifyAllPermissionTypes(
permissions.RETRIEVE_CREATED_BY)
# user is performing a search, ensure they have permissions.
if (not search_perms.get(search_type)
and not retrieve_perms.get(search_type)
and not retrieve_created.get(search_type)):
raise models.AccessDeniedError('User lacks %s permission' %
search_type)
# TODO(user): implement multi-field search by building query here
# or better yet using JavaScript.
q = '%s:%s' % (field1, value1)
try:
volumes = VolumesForQuery(q, search_type, prefix_search)
except ValueError:
self.error(httplib.NOT_FOUND)
return
if not search_perms.get(search_type):
username = models.GetCurrentUser().user.nickname()
volumes = [x for x in volumes if x.owner == username]
volumes = [v.ToDict(skip_secret=True) for v in volumes if v.tag == tag]
if SEARCH_TYPES[search_type].ALLOW_OWNER_CHANGE:
for volume in volumes:
if not volume['active']:
continue
volume[
'change_owner_link'] = '/api/internal/change-owner/%s/%s/' % (
search_type, volume['id'])
self.response.out.write(util.ToSafeJson(volumes))
def get(self): # pylint: disable=g-bad-name
"""Handles GET requests."""
# TODO(user): Users with retrieve_own should not need to search to
# retrieve their escrowed secrets.
# Get the user's search and retrieve permissions for all permission types.
search_perms = self.VerifyAllPermissionTypes(permissions.SEARCH)
retrieve_perms = self.VerifyAllPermissionTypes(
permissions.RETRIEVE_OWN)
retrieve_created = self.VerifyAllPermissionTypes(
permissions.RETRIEVE_CREATED_BY)
# If the user is performing a search, ensure they have permissions.
search_type = self.request.get('search_type')
if (search_type and not search_perms.get(search_type)
and not retrieve_perms.get(search_type)
and not retrieve_created.get(search_type)):
raise models.AccessDeniedError('User lacks %s permission' %
search_type)
template_name = None
queried = False
params = {}
if search_type in SEARCH_TYPES:
field1 = self.request.get('field1')
value1 = self.request.get('value1').strip()
if field1 and value1:
queried = True
prefix_search = self.request.get('prefix_search', '0') == '1'
# TODO(user): implement multi-field search by building query here
# or better yet using JavaScript.
q = '%s:%s' % (field1, value1)
try:
volumes = VolumesForQuery(q, search_type, prefix_search)
except ValueError:
self.error(404)
return
if not search_perms.get(search_type):
username = models.GetCurrentUser().user.nickname()
volumes = [x for x in volumes if x.owner == username]
template_name = 'search_result.html'
params = {
'q': q,
'search_type': search_type,
'volumes': volumes
}
if not queried:
template_name = 'search_form.html'
params = {}
if search_perms[permissions.TYPE_BITLOCKER]:
params[
'bitlocker_fields'] = models.BitLockerVolume.SEARCH_FIELDS
if search_perms[permissions.TYPE_FILEVAULT]:
params[
'filevault_fields'] = models.FileVaultVolume.SEARCH_FIELDS
if search_perms[permissions.TYPE_LUKS]:
params['luks_fields'] = models.LuksVolume.SEARCH_FIELDS
if search_perms[permissions.TYPE_PROVISIONING]:
provisioning_fields = models.ProvisioningVolume.SEARCH_FIELDS
params['provisioning_fields'] = provisioning_fields
params['xsrf_token'] = util.XsrfTokenGenerate(
base_settings.GET_PASSPHRASE_ACTION)
self.RenderTemplate(template_name, params)