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Add ratelimiting function to basehandler

This commit is contained in:
Mark Haines 2014-09-02 17:57:04 +01:00
parent dd2cd9312a
commit c7a7cdf734
5 changed files with 27 additions and 1 deletions

View file

@ -28,6 +28,7 @@ class Codes(object):
UNKNOWN = "M_UNKNOWN"
NOT_FOUND = "M_NOT_FOUND"
UNKNOWN_TOKEN = "M_UNKNOWN_TOKEN"
LIMIT_EXCEEDED = "M_LIMIT_EXCEEDED"
class CodeMessageException(Exception):

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@ -247,6 +247,7 @@ def setup():
upload_dir=os.path.abspath("uploads"),
db_name=config.database_path,
tls_context_factory=tls_context_factory,
config=config,
)
hs.register_servlets()

View file

@ -17,8 +17,10 @@ from .tls import TlsConfig
from .server import ServerConfig
from .logger import LoggingConfig
from .database import DatabaseConfig
from .ratelimiting import RatelimitConfig
class HomeServerConfig(TlsConfig, ServerConfig, DatabaseConfig, LoggingConfig):
class HomeServerConfig(TlsConfig, ServerConfig, DatabaseConfig, LoggingConfig,
RatelimitConfig):
pass
if __name__=='__main__':

View file

@ -14,6 +14,7 @@
# limitations under the License.
from twisted.internet import defer
from synapse.api.errors import cs_error, Codes
class BaseHandler(object):
@ -25,8 +26,24 @@ class BaseHandler(object):
self.room_lock = hs.get_room_lock_manager()
self.state_handler = hs.get_state_handler()
self.distributor = hs.get_distributor()
self.ratelimiter = hs.get_ratelimiter()
self.clock = hs.get_clock()
self.hs = hs
def ratelimit(self, user_id):
time_now = self.clock.time()
allowed, time_allowed = self.ratelimiter.send_message(
user_id, time_now,
msg_rate_hz=self.hs.config.rc_messages_per_second,
burst_count=self.hs.config.rc_messsage_burst_count,
)
if not allowed:
raise cs_error(
"Limit exceeded",
Codes.M_LIMIT_EXCEEDED,
retry_after_ms=1000*(time_allowed - time_now),
)
class BaseRoomHandler(BaseHandler):

View file

@ -32,6 +32,7 @@ from synapse.util import Clock
from synapse.util.distributor import Distributor
from synapse.util.lockutils import LockManager
from synapse.streams.events import EventSources
from synapse.api.ratelimiting import Ratelimiter
class BaseHomeServer(object):
@ -73,6 +74,7 @@ class BaseHomeServer(object):
'resource_for_web_client',
'resource_for_content_repo',
'event_sources',
'ratelimiter',
]
def __init__(self, hostname, **kwargs):
@ -190,6 +192,9 @@ class HomeServer(BaseHomeServer):
def build_event_sources(self):
return EventSources(self)
def build_ratelimiter(self):
return Ratelimiter()
def register_servlets(self):
""" Register all servlets associated with this HomeServer.
"""