def error(context, request):
"""Catch server errors and trace them."""
logger.error(context, exc_info=True)
message = '%s %s: %s' % (context.response.status_code,
context.response.reason,
context.response.text)
if context.response.status_code == 400:
response = http_error(httpexceptions.HTTPBadRequest(),
errno=ERRORS.INVALID_PARAMETERS,
message=message)
elif context.response.status_code == 401:
response = http_error(httpexceptions.HTTPUnauthorized(),
errno=ERRORS.INVALID_AUTH_TOKEN,
message=message)
# Forget the current user credentials.
response.headers.extend(forget(request))
elif context.response.status_code == 403:
response = http_error(httpexceptions.HTTPForbidden(),
errno=ERRORS.FORBIDDEN,
message=message)
elif context.response.status_code == 404:
response = http_error(httpexceptions.HTTPNotFound(),
errno=ERRORS.INVALID_RESOURCE_ID,
message=message)
else:
response = service_unavailable(context, request)
return reapply_cors(request, response)
def request_error(context, request):
"""Catch requests errors when issuing a request to Sync."""
logger.error(context, exc_info=True)
error_msg = ("Unable to reach the service. "
"Check your internet connection or firewall configuration.")
response = http_error(httpexceptions.HTTPServiceUnavailable(),
errno=ERRORS.BACKEND,
message=error_msg)
return service_unavailable(response, request)
def request_error(context, request):
"""Catch requests errors when issuing a request to Sync."""
logger.error(context, exc_info=True)
error_msg = ("Unable to reach the service. "
"Check your internet connection or firewall configuration.")
response = http_error(httpexceptions.HTTPServiceUnavailable(),
errno=ERRORS.BACKEND,
message=error_msg)
return service_unavailable(response, request)
def response_error(context, request):
"""Catch response error from Sync and trace them."""
message = '%s %s: %s' % (context.response.status_code,
context.response.reason,
context.response.text)
# XXX: Make sure these HTTPError exception are coming from SyncClient.
statsd_count(request, "syncclient.status_code.%s" %
context.response.status_code)
if context.response.status_code in (400, 401, 403, 404):
# For this code we also want to log the info about the error.
logger.info(context, exc_info=True)
# For this specific code we do not want to log the error.
if context.response.status_code == 304:
response = httpexceptions.HTTPNotModified()
elif context.response.status_code == 400:
response = http_error(httpexceptions.HTTPBadRequest(),
errno=ERRORS.INVALID_PARAMETERS,
message=message)
elif context.response.status_code == 401:
response = http_error(httpexceptions.HTTPUnauthorized(),
errno=ERRORS.INVALID_AUTH_TOKEN,
message=message)
# Forget the current user credentials.
response.headers.extend(forget(request))
elif context.response.status_code == 403:
response = http_error(httpexceptions.HTTPForbidden(),
errno=ERRORS.FORBIDDEN,
message=message)
elif context.response.status_code == 404:
response = http_error(httpexceptions.HTTPNotFound(),
errno=ERRORS.INVALID_RESOURCE_ID,
message=message)
elif context.response.status_code == 412:
message = 'Resource was modified meanwhile'
response = http_error(httpexceptions.HTTPPreconditionFailed(),
errno=ERRORS.MODIFIED_MEANWHILE,
message=message)
else:
# For this code we also want to log the error.
logger.error(context, exc_info=True)
response = service_unavailable(
httpexceptions.HTTPServiceUnavailable(),
request)
request.response = response
export_headers(context.response, request)
return reapply_cors(request, response)
