376 lines
14 KiB
Python
376 lines
14 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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import json
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import urllib
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import urlparse
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import uuid
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import routes
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import webob.dec
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import webob.exc
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from keystone import catalog
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from keystone import identity
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from keystone import policy
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from keystone import token
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from keystone.common import logging
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from keystone.common import utils
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from keystone.common import wsgi
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class AdminRouter(wsgi.ComposingRouter):
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def __init__(self):
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mapper = routes.Mapper()
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# Token Operations
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auth_controller = TokenController()
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mapper.connect('/tokens',
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controller=auth_controller,
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action='authenticate',
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conditions=dict(method=['POST']))
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mapper.connect('/tokens/{token_id}',
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controller=auth_controller,
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action='validate_token',
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conditions=dict(method=['GET']))
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mapper.connect('/tokens/{token_id}',
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controller=auth_controller,
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action='delete_token',
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conditions=dict(method=['DELETE']))
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mapper.connect('/tokens/{token_id}/endpoints',
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controller=auth_controller,
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action='endpoints',
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conditions=dict(method=['GET']))
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# Miscellaneous Operations
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version_controller = VersionController()
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mapper.connect('/',
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controller=version_controller,
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action='get_version_info', module='admin/version',
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conditions=dict(method=['GET']))
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extensions_controller = ExtensionsController()
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mapper.connect('/extensions',
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controller=extensions_controller,
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action='get_extensions_info',
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conditions=dict(method=['GET']))
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identity_router = identity.AdminRouter()
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routers = [identity_router]
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super(AdminRouter, self).__init__(mapper, routers)
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class PublicRouter(wsgi.ComposingRouter):
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def __init__(self):
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mapper = routes.Mapper()
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noop_controller = NoopController()
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mapper.connect('/',
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controller=noop_controller,
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action='noop')
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# Token Operations
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auth_controller = TokenController()
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mapper.connect('/tokens',
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controller=auth_controller,
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action='authenticate',
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conditions=dict(method=['POST']))
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# Miscellaneous
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version_controller = VersionController()
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mapper.connect('/',
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controller=version_controller,
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action='get_version_info',
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module='service/version',
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conditions=dict(method=['GET']))
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extensions_controller = ExtensionsController()
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mapper.connect('/extensions',
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controller=extensions_controller,
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action='get_extensions_info',
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conditions=dict(method=['GET']))
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identity_router = identity.PublicRouter()
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routers = [identity_router]
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super(PublicRouter, self).__init__(mapper, routers)
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class NoopController(wsgi.Application):
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def __init__(self):
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super(NoopController, self).__init__()
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def noop(self, context):
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return {}
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class TokenController(wsgi.Application):
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def __init__(self):
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self.catalog_api = catalog.Manager()
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self.identity_api = identity.Manager()
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self.token_api = token.Manager()
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self.policy_api = policy.Manager()
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super(TokenController, self).__init__()
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def authenticate(self, context, auth=None):
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"""Authenticate credentials and return a token.
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Accept auth as a dict that looks like::
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{
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"auth":{
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"passwordCredentials":{
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"username":"test_user",
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"password":"mypass"
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},
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"tenantName":"customer-x"
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}
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}
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In this case, tenant is optional, if not provided the token will be
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considered "unscoped" and can later be used to get a scoped token.
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Alternatively, this call accepts auth with only a token and tenant
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that will return a token that is scoped to that tenant.
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"""
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token_id = uuid.uuid4().hex
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if 'passwordCredentials' in auth:
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username = auth['passwordCredentials'].get('username', '')
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password = auth['passwordCredentials'].get('password', '')
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tenant_name = auth.get('tenantName', None)
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if username:
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user_ref = self.identity_api.get_user_by_name(
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context=context, user_name=username)
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user_id = user_ref['id']
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else:
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user_id = auth['passwordCredentials'].get('userId', None)
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# more compat
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if tenant_name:
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tenant_ref = self.identity_api.get_tenant_by_name(
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context=context, tenant_name=tenant_name)
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tenant_id = tenant_ref['id']
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else:
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tenant_id = auth.get('tenantId', None)
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try:
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(user_ref, tenant_ref, metadata_ref) = \
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self.identity_api.authenticate(context=context,
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user_id=user_id,
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password=password,
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tenant_id=tenant_id)
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# If the user is disabled don't allow them to authenticate
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if not user_ref.get('enabled', True):
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raise webob.exc.HTTPForbidden('User has been disabled')
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except AssertionError as e:
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raise webob.exc.HTTPForbidden(e.message)
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token_ref = self.token_api.create_token(
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context, token_id, dict(expires='',
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id=token_id,
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user=user_ref,
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tenant=tenant_ref,
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metadata=metadata_ref))
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if tenant_ref:
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catalog_ref = self.catalog_api.get_catalog(
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context=context,
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user_id=user_ref['id'],
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tenant_id=tenant_ref['id'],
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metadata=metadata_ref)
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else:
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catalog_ref = {}
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elif 'token' in auth:
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token = auth['token'].get('id', None)
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tenant_name = auth.get('tenantName')
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# more compat
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if tenant_name:
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tenant_ref = self.identity_api.get_tenant_by_name(
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context=context, tenant_name=tenant_name)
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tenant_id = tenant_ref['id']
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else:
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tenant_id = auth.get('tenantId', None)
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old_token_ref = self.token_api.get_token(context=context,
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token_id=token)
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user_ref = old_token_ref['user']
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tenants = self.identity_api.get_tenants_for_user(context,
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user_ref['id'])
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if tenant_id:
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assert tenant_id in tenants
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tenant_ref = self.identity_api.get_tenant(context=context,
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tenant_id=tenant_id)
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if tenant_ref:
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metadata_ref = self.identity_api.get_metadata(
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context=context,
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user_id=user_ref['id'],
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tenant_id=tenant_ref['id'])
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catalog_ref = self.catalog_api.get_catalog(
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context=context,
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user_id=user_ref['id'],
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tenant_id=tenant_ref['id'],
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metadata=metadata_ref)
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else:
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metadata_ref = {}
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catalog_ref = {}
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token_ref = self.token_api.create_token(
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context, token_id, dict(expires='',
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id=token_id,
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user=user_ref,
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tenant=tenant_ref,
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metadata=metadata_ref))
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# TODO(termie): optimize this call at some point and put it into the
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# the return for metadata
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# fill out the roles in the metadata
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roles_ref = []
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for role_id in metadata_ref.get('roles', []):
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roles_ref.append(self.identity_api.get_role(context, role_id))
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logging.debug('TOKEN_REF %s', token_ref)
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return self._format_authenticate(token_ref, roles_ref, catalog_ref)
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# admin only
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def validate_token(self, context, token_id, belongs_to=None):
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"""Check that a token is valid.
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Optionally, also ensure that it is owned by a specific tenant.
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"""
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# TODO(termie): this stuff should probably be moved to middleware
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self.assert_admin(context)
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token_ref = self.token_api.get_token(context=context,
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token_id=token_id)
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if belongs_to:
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assert token_ref['tenant']['id'] == belongs_to
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# TODO(termie): optimize this call at some point and put it into the
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# the return for metadata
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# fill out the roles in the metadata
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metadata_ref = token_ref['metadata']
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roles_ref = []
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for role_id in metadata_ref.get('roles', []):
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roles_ref.append(self.identity_api.get_role(context, role_id))
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return self._format_token(token_ref, roles_ref)
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def delete_token(self, context, token_id):
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"""Delete a token, effectively invalidating it for authz."""
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# TODO(termie): this stuff should probably be moved to middleware
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self.assert_admin(context)
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token_ref = self.token_api.delete_token(context=context,
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token_id=token_id)
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def endpoints(self, context, token_id):
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"""Return service catalog endpoints."""
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token_ref = self.token_api.get_token(context=context,
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token_id=token_id)
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catalog_ref = self.catalog_api.get_catalog(context,
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token_ref['user']['id'],
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token_ref['tenant']['id'])
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return {'token': {'serviceCatalog': self._format_catalog(catalog_ref)}}
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def _format_authenticate(self, token_ref, roles_ref, catalog_ref):
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o = self._format_token(token_ref, roles_ref)
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o['access']['serviceCatalog'] = self._format_catalog(catalog_ref)
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return o
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def _format_token(self, token_ref, roles_ref):
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user_ref = token_ref['user']
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metadata_ref = token_ref['metadata']
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o = {'access': {'token': {'id': token_ref['id'],
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'expires': token_ref['expires']
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},
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'user': {'id': user_ref['id'],
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'name': user_ref['name'],
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'username': user_ref['name'],
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'roles': roles_ref,
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'roles_links': metadata_ref.get('roles_links',
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[])
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}
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}
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}
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if 'tenant' in token_ref and token_ref['tenant']:
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token_ref['tenant']['enabled'] = True
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o['access']['token']['tenant'] = token_ref['tenant']
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return o
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def _format_catalog(self, catalog_ref):
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"""Munge catalogs from internal to output format
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Internal catalogs look like:
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{$REGION: {
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{$SERVICE: {
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$key1: $value1,
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...
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}
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}
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}
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The legacy api wants them to look like
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[{'name': $SERVICE[name],
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'type': $SERVICE,
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'endpoints': [{
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'tenantId': $tenant_id,
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...
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'region': $REGION,
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}],
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'endpoints_links': [],
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}]
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"""
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if not catalog_ref:
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return {}
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services = {}
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for region, region_ref in catalog_ref.iteritems():
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for service, service_ref in region_ref.iteritems():
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new_service_ref = services.get(service, {})
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new_service_ref['name'] = service_ref.pop('name')
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new_service_ref['type'] = service
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new_service_ref['endpoints_links'] = []
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service_ref['region'] = region
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endpoints_ref = new_service_ref.get('endpoints', [])
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endpoints_ref.append(service_ref)
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new_service_ref['endpoints'] = endpoints_ref
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services[service] = new_service_ref
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return services.values()
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class VersionController(wsgi.Application):
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def __init__(self):
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super(VersionController, self).__init__()
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def get_version_info(self, context, module='version'):
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raise NotImplemented()
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class ExtensionsController(wsgi.Application):
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def __init__(self):
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super(ExtensionsController, self).__init__()
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def get_extensions_info(self, context):
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raise NotImplemented()
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def public_app_factory(global_conf, **local_conf):
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conf = global_conf.copy()
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conf.update(local_conf)
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return PublicRouter()
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def admin_app_factory(global_conf, **local_conf):
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conf = global_conf.copy()
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conf.update(local_conf)
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return AdminRouter()
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