def PUT(self, req):
"""HTTP PUT request handler."""
if not self.app.allow_account_management:
return HTTPMethodNotAllowed(
request=req,
headers={'Allow': ', '.join(self.allowed_methods)})
error_response = check_metadata(req, 'account')
if error_response:
return error_response
if len(self.account_name) > MAX_ACCOUNT_NAME_LENGTH:
resp = HTTPBadRequest(request=req)
resp.body = 'Account name length of %d longer than %d' % \
(len(self.account_name), MAX_ACCOUNT_NAME_LENGTH)
return resp
account_partition, accounts = \
self.app.account_ring.get_nodes(self.account_name)
headers = {'X-Timestamp': normalize_timestamp(time.time()),
'x-trans-id': self.trans_id,
'Connection': 'close'}
self.transfer_headers(req.headers, headers)
if self.app.memcache:
self.app.memcache.delete(
get_account_memcache_key(self.account_name))
resp = self.make_requests(
req, self.app.account_ring, account_partition, 'PUT',
req.path_info, [headers] * len(accounts))
return resp
def POST(self, req):
"""HTTP POST request handler."""
error_response = check_metadata(req, 'account')
if error_response:
return error_response
account_partition, accounts = \
self.app.account_ring.get_nodes(self.account_name)
headers = {'X-Timestamp': normalize_timestamp(time.time()),
'X-Trans-Id': self.trans_id,
'Connection': 'close'}
self.transfer_headers(req.headers, headers)
if self.app.memcache:
self.app.memcache.delete(
get_account_memcache_key(self.account_name))
resp = self.make_requests(
req, self.app.account_ring, account_partition, 'POST',
req.path_info, [headers] * len(accounts))
if resp.status_int == HTTP_NOT_FOUND and self.app.account_autocreate:
if len(self.account_name) > MAX_ACCOUNT_NAME_LENGTH:
resp = HTTPBadRequest(request=req)
resp.body = 'Account name length of %d longer than %d' % \
(len(self.account_name), MAX_ACCOUNT_NAME_LENGTH)
return resp
resp = self.make_requests(
Request.blank('/v1/' + self.account_name),
self.app.account_ring, account_partition, 'PUT',
'/' + self.account_name, [headers] * len(accounts))
if not is_success(resp.status_int):
self.app.logger.warning('Could not autocreate account %r' %
self.account_name)
return resp
return resp
def GETorHEAD(self, req):
"""Handler for HTTP GET/HEAD requests."""
partition, nodes = self.app.account_ring.get_nodes(self.account_name)
nodes = self.app.sort_nodes(nodes)
resp = self.GETorHEAD_base(
req, _('Account'), partition, nodes, req.path_info.rstrip('/'),
len(nodes))
if resp.status_int == HTTP_NOT_FOUND and self.app.account_autocreate:
if len(self.account_name) > MAX_ACCOUNT_NAME_LENGTH:
resp = HTTPBadRequest(request=req)
resp.body = 'Account name length of %d longer than %d' % \
(len(self.account_name), MAX_ACCOUNT_NAME_LENGTH)
return resp
headers = {'X-Timestamp': normalize_timestamp(time.time()),
'X-Trans-Id': self.trans_id,
'Connection': 'close'}
resp = self.make_requests(
Request.blank('/v1/' + self.account_name),
self.app.account_ring, partition, 'PUT',
'/' + self.account_name, [headers] * len(nodes))
if not is_success(resp.status_int):
self.app.logger.warning('Could not autocreate account %r' %
self.account_name)
return resp
resp = self.GETorHEAD_base(
req, _('Account'), partition, nodes, req.path_info.rstrip('/'),
len(nodes))
return resp
def handle_request(self, req):
"""
Entry point for api server.
Should return a WSGI-style callable (such as swob.Response).
:param req: swob.Request object
"""
try:
self.logger.set_statsd_prefix('api-server')
if req.content_length and req.content_length < 0:
self.logger.increment('errors')
return HTTPBadRequest(request=req,
body='Invalid Content-Length')
try:
if not check_utf8(req.path_info):
self.logger.increment('errors')
return HTTPPreconditionFailed(
request=req, body='Invalid UTF8 or contains NULL')
except UnicodeError:
self.logger.increment('errors')
return HTTPPreconditionFailed(
request=req, body='Invalid UTF8 or contains NULL')
try:
controller, path_parts = self.get_controller(req.path)
p = req.path_info
if isinstance(p, unicode):
p = p.encode('utf-8')
except ValueError:
self.logger.increment('errors')
return HTTPNotFound(request=req)
if not controller:
self.logger.increment('errors')
return HTTPPreconditionFailed(request=req, body='Bad URL')
if self.deny_host_headers and \
req.host.split(':')[0] in self.deny_host_headers:
return HTTPForbidden(request=req, body='Invalid host header')
self.logger.set_statsd_prefix('api-server.' +
controller.server_type.lower())
controller = controller(self, **path_parts)
if 'gate.trans_id' not in req.environ:
# if this wasn't set by an earlier middleware, set it now
trans_id = 'tx' + uuid.uuid4().hex
req.environ['gate.trans_id'] = trans_id
self.logger.txn_id = trans_id
req.headers['x-trans-id'] = req.environ['gate.trans_id']
controller.trans_id = req.environ['gate.trans_id']
self.logger.client_ip = get_remote_client(req)
try:
handler = getattr(controller, req.method)
getattr(handler, 'publicly_accessible')
except AttributeError:
allowed_methods = getattr(controller, 'allowed_methods', set())
return HTTPMethodNotAllowed(
request=req, headers={'Allow': ', '.join(allowed_methods)})
if path_parts['version']:
req.path_info_pop()
if 'gate.authorize' in req.environ:
# We call authorize before the handler, always. If authorized,
# we remove the gate.authorize hook so isn't ever called
# again. If not authorized, we return the denial unless the
# controller's method indicates it'd like to gather more
# information and try again later.
resp = req.environ['gate.authorize'](req)
if not resp:
# No resp means authorized, no delayed recheck required.
del req.environ['gate.authorize']
else:
# Response indicates denial, but we might delay the denial
# and recheck later. If not delayed, return the error now.
if not getattr(handler, 'delay_denial', None):
return resp
# Save off original request method (GET, POST, etc.) in case it
# gets mutated during handling. This way logging can display the
# method the client actually sent.
req.environ['gate.orig_req_method'] = req.method
return handler(req)
except (Exception, Timeout):
self.logger.exception(_('ERROR Unhandled exception in request'))
return HTTPServerError(request=req)
