async def real_resolve(self, request: IRequest) -> MatchInfo:
"""Main function to resolve a request."""
security = get_adapter(request, IInteraction)
if request.method not in app_settings['http_methods']:
raise HTTPMethodNotAllowed()
method = app_settings['http_methods'][request.method]
language = language_negotiation(request)
language_object = language(request)
try:
resource, tail = await self.traverse(request)
except ConflictError:
# can also happen from connection errors so we bubble this...
raise
except Exception as _exc:
logger.error('Unhandled exception occurred', exc_info=True)
request.resource = request.tail = None
request.exc = _exc
data = {
'success': False,
'exception_message': str(_exc),
'exception_type': getattr(type(_exc), '__name__',
str(type(_exc))), # noqa
}
if app_settings.get('debug'):
data['traceback'] = traceback.format_exc()
raise HTTPBadRequest(text=ujson.dumps(data))
request.record('traversed')
await notify(ObjectLoadedEvent(resource))
request.resource = resource
request.tail = tail
if request.resource is None:
raise HTTPBadRequest(text='Resource not found')
traverse_to = None
if tail and len(tail) == 1:
view_name = tail[0]
elif tail is None or len(tail) == 0:
view_name = ''
else:
view_name = tail[0]
traverse_to = tail[1:]
request.record('beforeauthentication')
await self.apply_authorization(request)
request.record('authentication')
translator = query_adapter(language_object,
ITranslated,
args=[resource, request])
if translator is not None:
resource = translator.translate()
# Add anonymous participation
if len(security.participations) == 0:
security.add(AnonymousParticipation(request))
# container registry lookup
try:
view = query_multi_adapter((resource, request),
method,
name=view_name)
except AttributeError:
view = None
request.found_view = view
request.view_name = view_name
# Traverse view if its needed
if traverse_to is not None and view is not None:
if not ITraversableView.providedBy(view):
return None
else:
try:
view = await view.publish_traverse(traverse_to)
except KeyError:
return None # not found, it's okay.
except Exception as e:
logger.error("Exception on view execution",
exc_info=e,
request=request)
return None
request.record('viewfound')
permission = get_utility(IPermission, name='guillotina.AccessContent')
if not security.check_permission(permission.id, resource):
# Check if its a CORS call:
if IOPTIONS != method:
# Check if the view has permissions explicit
if view is None or not view.__allow_access__:
logger.info(
"No access content {content} with {auths}".format(
content=resource,
auths=str([
x.principal.id for x in security.participations
])),
request=request)
raise HTTPUnauthorized()
if view is None and method == IOPTIONS:
view = DefaultOPTIONS(resource, request)
if view:
ViewClass = view.__class__
view_permission = get_view_permission(ViewClass)
if not security.check_permission(view_permission, view):
logger.info("No access for view {content} with {auths}".format(
content=resource,
auths=str(
[x.principal.id for x in security.participations])),
request=request)
raise HTTPUnauthorized()
request.record('authorization')
renderer = content_type_negotiation(request, resource, view)
renderer_object = renderer(request)
rendered = query_multi_adapter((renderer_object, view, request),
IRendered)
request.record('renderer')
if rendered is not None:
return MatchInfo(resource, request, view, rendered)
else:
return None
async def real_resolve(self, request: IRequest) -> Optional[MatchInfo]:
"""Main function to resolve a request."""
if request.method not in app_settings['http_methods']:
raise HTTPMethodNotAllowed(
method=request.method,
allowed_methods=[
k for k in app_settings['http_methods'].keys()
])
method = app_settings['http_methods'][request.method]
try:
resource, tail = await self.traverse(request)
except ConflictError:
# can also happen from connection errors so we bubble this...
raise
except Exception as _exc:
logger.error('Unhandled exception occurred', exc_info=True)
request.resource = request.tail = None
request.exc = _exc
data = {
'success': False,
'exception_message': str(_exc),
'exception_type': getattr(type(_exc), '__name__',
str(type(_exc))), # noqa
}
if app_settings.get('debug'):
data['traceback'] = traceback.format_exc()
raise HTTPBadRequest(content={'reason': data})
request.record('traversed')
await notify(ObjectLoadedEvent(resource))
request.resource = resource
request.tail = tail
if request.resource is None:
await notify(TraversalResourceMissEvent(request, tail))
raise HTTPNotFound(content={"reason": 'Resource not found'})
if tail and len(tail) > 0:
# convert match lookups
view_name = routes.path_to_view_name(tail)
elif not tail:
view_name = ''
request.record('beforeauthentication')
authenticated = await authenticate_request(request)
# Add anonymous participation
if authenticated is None:
authenticated = AnonymousUser()
set_authenticated_user(authenticated)
request.record('authentication')
policy = get_security_policy(authenticated)
for language in get_acceptable_languages(request):
translator = query_adapter((resource, request),
ILanguage,
name=language)
if translator is not None:
resource = translator.translate()
break
# container registry lookup
try:
view = query_multi_adapter((resource, request),
method,
name=view_name)
except AttributeError:
view = None
if view is None and method == IOPTIONS:
view = DefaultOPTIONS(resource, request)
# Check security on context to AccessContent unless
# is view allows explicit or its OPTIONS
permission = get_utility(IPermission, name='guillotina.AccessContent')
if not policy.check_permission(permission.id, resource):
# Check if its a CORS call:
if IOPTIONS != method:
# Check if the view has permissions explicit
if view is None or not view.__allow_access__:
logger.info(
"No access content {content} with {auth}".format(
content=resource, auth=authenticated.id),
request=request)
raise HTTPUnauthorized(
content={
"reason":
"You are not authorized to access content",
"content": str(resource),
"auth": authenticated.id
})
if not view and len(tail) > 0:
# we should have a view in this case because we are matching routes
await notify(TraversalViewMissEvent(request, tail))
return None
request.found_view = view
request.view_name = view_name
request.record('viewfound')
ViewClass = view.__class__
view_permission = get_view_permission(ViewClass)
if view_permission is None:
# use default view permission
view_permission = app_settings['default_permission']
if not policy.check_permission(view_permission, view):
if IOPTIONS != method:
raise HTTPUnauthorized(
content={
"reason": "You are not authorized to view",
"content": str(resource),
"auth": authenticated.id
})
try:
view.__route__.matches(request, tail or [])
except (KeyError, IndexError):
await notify(TraversalRouteMissEvent(request, tail))
return None
except AttributeError:
pass
if hasattr(view, 'prepare'):
view = (await view.prepare()) or view
request.record('authorization')
return MatchInfo(resource, request, view)
async def real_resolve(self, request: IRequest) -> Optional[MatchInfo]:
"""Main function to resolve a request."""
security = get_adapter(request, IInteraction)
if request.method not in app_settings['http_methods']:
raise HTTPMethodNotAllowed(
method=request.method,
allowed_methods=[k for k in app_settings['http_methods'].keys()])
method = app_settings['http_methods'][request.method]
try:
resource, tail = await self.traverse(request)
except ConflictError:
# can also happen from connection errors so we bubble this...
raise
except Exception as _exc:
logger.error('Unhandled exception occurred', exc_info=True)
request.resource = request.tail = None
request.exc = _exc
data = {
'success': False,
'exception_message': str(_exc),
'exception_type': getattr(type(_exc), '__name__', str(type(_exc))), # noqa
}
if app_settings.get('debug'):
data['traceback'] = traceback.format_exc()
raise HTTPBadRequest(content={
'reason': data
})
request.record('traversed')
await notify(ObjectLoadedEvent(resource))
request.resource = resource
request.tail = tail
if request.resource is None:
await notify(TraversalResourceMissEvent(request, tail))
raise HTTPNotFound(content={
"reason": 'Resource not found'
})
if tail and len(tail) > 0:
# convert match lookups
view_name = routes.path_to_view_name(tail)
elif not tail:
view_name = ''
request.record('beforeauthentication')
await self.apply_authorization(request)
request.record('authentication')
for language in get_acceptable_languages(request):
translator = query_adapter((resource, request), ILanguage,
name=language)
if translator is not None:
resource = translator.translate()
break
# Add anonymous participation
if len(security.participations) == 0:
security.add(AnonymousParticipation(request))
# container registry lookup
try:
view = query_multi_adapter(
(resource, request), method, name=view_name)
except AttributeError:
view = None
if view is None and method == IOPTIONS:
view = DefaultOPTIONS(resource, request)
# Check security on context to AccessContent unless
# is view allows explicit or its OPTIONS
permission = get_utility(IPermission, name='guillotina.AccessContent')
if not security.check_permission(permission.id, resource):
# Check if its a CORS call:
if IOPTIONS != method:
# Check if the view has permissions explicit
if view is None or not view.__allow_access__:
logger.info(
"No access content {content} with {auths}".format(
content=resource,
auths=str([x.principal.id
for x in security.participations])),
request=request)
raise HTTPUnauthorized(
content={
"reason": "You are not authorized to access content",
"content": str(resource),
"auths": [x.principal.id
for x in security.participations]
}
)
if not view and len(tail) > 0:
# we should have a view in this case because we are matching routes
await notify(TraversalViewMissEvent(request, tail))
return None
request.found_view = view
request.view_name = view_name
request.record('viewfound')
ViewClass = view.__class__
view_permission = get_view_permission(ViewClass)
if not security.check_permission(view_permission, view):
if IOPTIONS != method:
raise HTTPUnauthorized(
content={
"reason": "You are not authorized to view",
"content": str(resource),
"auths": [x.principal.id
for x in security.participations]
}
)
try:
view.__route__.matches(request, tail or [])
except (KeyError, IndexError):
await notify(TraversalRouteMissEvent(request, tail))
return None
except AttributeError:
pass
if hasattr(view, 'prepare'):
view = (await view.prepare()) or view
request.record('authorization')
return MatchInfo(resource, request, view)