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-rw-r--r--synapse/api/errors.py11
-rw-r--r--synapse/events/snapshot.py3
-rw-r--r--synapse/handlers/federation.py33
-rw-r--r--synapse/handlers/identity.py11
-rw-r--r--synapse/handlers/message.py10
-rw-r--r--synapse/handlers/room_member.py1
-rw-r--r--synapse/http/client.py23
-rw-r--r--synapse/rest/client/v1/room.py1
-rw-r--r--synapse/rest/client/v2_alpha/register.py41
-rw-r--r--synapse/storage/events.py16
-rw-r--r--synapse/util/__init__.py2
11 files changed, 124 insertions, 28 deletions
diff --git a/synapse/api/errors.py b/synapse/api/errors.py
index 6fbd5d6876..d0dfa959dc 100644
--- a/synapse/api/errors.py
+++ b/synapse/api/errors.py
@@ -66,6 +66,17 @@ class CodeMessageException(RuntimeError):
         return cs_error(self.msg)
 
 
+class MatrixCodeMessageException(CodeMessageException):
+    """An error from a general matrix endpoint, eg. from a proxied Matrix API call.
+
+    Attributes:
+        errcode (str): Matrix error code e.g 'M_FORBIDDEN'
+    """
+    def __init__(self, code, msg, errcode=Codes.UNKNOWN):
+        super(MatrixCodeMessageException, self).__init__(code, msg)
+        self.errcode = errcode
+
+
 class SynapseError(CodeMessageException):
     """A base exception type for matrix errors which have an errcode and error
     message (as well as an HTTP status code).
diff --git a/synapse/events/snapshot.py b/synapse/events/snapshot.py
index 6be18880b9..e9a732ff03 100644
--- a/synapse/events/snapshot.py
+++ b/synapse/events/snapshot.py
@@ -50,6 +50,7 @@ class EventContext(object):
         "prev_group",
         "delta_ids",
         "prev_state_events",
+        "app_service",
     ]
 
     def __init__(self):
@@ -68,3 +69,5 @@ class EventContext(object):
         self.delta_ids = None
 
         self.prev_state_events = None
+
+        self.app_service = None
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index ebbf844489..2af9849ed0 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -171,6 +171,16 @@ class FederationHandler(BaseHandler):
                         yield self._get_missing_events_for_pdu(
                             origin, pdu, prevs, min_depth
                         )
+
+                        # Update the set of things we've seen after trying to
+                        # fetch the missing stuff
+                        have_seen = yield self.store.have_events(prevs)
+                        seen = set(have_seen.iterkeys())
+
+                        if not prevs - seen:
+                            logger.info(
+                                "Found all missing prev events for %s", pdu.event_id
+                            )
                 elif prevs - seen:
                     logger.info(
                         "Not fetching %d missing events for room %r,event %s: %r...",
@@ -178,8 +188,6 @@ class FederationHandler(BaseHandler):
                         list(prevs - seen)[:5],
                     )
 
-            prevs = {e_id for e_id, _ in pdu.prev_events}
-            seen = set(have_seen.keys())
             if prevs - seen:
                 logger.info(
                     "Still missing %d events for room %r: %r...",
@@ -214,19 +222,15 @@ class FederationHandler(BaseHandler):
         Args:
             origin (str): Origin of the pdu. Will be called to get the missing events
             pdu: received pdu
-            prevs (str[]): List of event ids which we are missing
+            prevs (set(str)): List of event ids which we are missing
             min_depth (int): Minimum depth of events to return.
-
-        Returns:
-            Deferred<dict(str, str?)>: updated have_seen dictionary
         """
         # We recalculate seen, since it may have changed.
         have_seen = yield self.store.have_events(prevs)
         seen = set(have_seen.keys())
 
         if not prevs - seen:
-            # nothing left to do
-            defer.returnValue(have_seen)
+            return
 
         latest = yield self.store.get_latest_event_ids_in_room(
             pdu.room_id
@@ -288,19 +292,6 @@ class FederationHandler(BaseHandler):
                 get_missing=False
             )
 
-        have_seen = yield self.store.have_events(
-            [ev for ev, _ in pdu.prev_events]
-        )
-        seen = set(have_seen.keys())
-        if prevs - seen:
-            logger.info(
-                "Still missing %d prev events for %s: %r...",
-                len(prevs - seen), pdu.event_id, list(prevs - seen)[:5]
-            )
-        else:
-            logger.info("Found all missing prev events for %s", pdu.event_id)
-        defer.returnValue(have_seen)
-
     @log_function
     @defer.inlineCallbacks
     def _process_received_pdu(self, origin, pdu, state, auth_chain):
diff --git a/synapse/handlers/identity.py b/synapse/handlers/identity.py
index 6a53c5eb47..9efcdff1d6 100644
--- a/synapse/handlers/identity.py
+++ b/synapse/handlers/identity.py
@@ -18,7 +18,7 @@
 from twisted.internet import defer
 
 from synapse.api.errors import (
-    CodeMessageException
+    MatrixCodeMessageException, CodeMessageException
 )
 from ._base import BaseHandler
 from synapse.util.async import run_on_reactor
@@ -90,6 +90,9 @@ class IdentityHandler(BaseHandler):
                 ),
                 {'sid': creds['sid'], 'client_secret': client_secret}
             )
+        except MatrixCodeMessageException as e:
+            logger.info("getValidated3pid failed with Matrix error: %r", e)
+            raise SynapseError(e.code, e.msg, e.errcode)
         except CodeMessageException as e:
             data = json.loads(e.msg)
 
@@ -159,6 +162,9 @@ class IdentityHandler(BaseHandler):
                 params
             )
             defer.returnValue(data)
+        except MatrixCodeMessageException as e:
+            logger.info("Proxied requestToken failed with Matrix error: %r", e)
+            raise SynapseError(e.code, e.msg, e.errcode)
         except CodeMessageException as e:
             logger.info("Proxied requestToken failed: %r", e)
             raise e
@@ -193,6 +199,9 @@ class IdentityHandler(BaseHandler):
                 params
             )
             defer.returnValue(data)
+        except MatrixCodeMessageException as e:
+            logger.info("Proxied requestToken failed with Matrix error: %r", e)
+            raise SynapseError(e.code, e.msg, e.errcode)
         except CodeMessageException as e:
             logger.info("Proxied requestToken failed: %r", e)
             raise e
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index 82a2ade1f6..57265c6d7d 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -175,7 +175,8 @@ class MessageHandler(BaseHandler):
         defer.returnValue(chunk)
 
     @defer.inlineCallbacks
-    def create_event(self, event_dict, token_id=None, txn_id=None, prev_event_ids=None):
+    def create_event(self, requester, event_dict, token_id=None, txn_id=None,
+                     prev_event_ids=None):
         """
         Given a dict from a client, create a new event.
 
@@ -185,6 +186,7 @@ class MessageHandler(BaseHandler):
         Adds display names to Join membership events.
 
         Args:
+            requester
             event_dict (dict): An entire event
             token_id (str)
             txn_id (str)
@@ -226,6 +228,7 @@ class MessageHandler(BaseHandler):
 
             event, context = yield self._create_new_client_event(
                 builder=builder,
+                requester=requester,
                 prev_event_ids=prev_event_ids,
             )
 
@@ -319,6 +322,7 @@ class MessageHandler(BaseHandler):
         See self.create_event and self.send_nonmember_event.
         """
         event, context = yield self.create_event(
+            requester,
             event_dict,
             token_id=requester.access_token_id,
             txn_id=txn_id
@@ -416,7 +420,7 @@ class MessageHandler(BaseHandler):
 
     @measure_func("_create_new_client_event")
     @defer.inlineCallbacks
-    def _create_new_client_event(self, builder, prev_event_ids=None):
+    def _create_new_client_event(self, builder, requester=None, prev_event_ids=None):
         if prev_event_ids:
             prev_events = yield self.store.add_event_hashes(prev_event_ids)
             prev_max_depth = yield self.store.get_max_depth_of_events(prev_event_ids)
@@ -456,6 +460,8 @@ class MessageHandler(BaseHandler):
         state_handler = self.state_handler
 
         context = yield state_handler.compute_event_context(builder)
+        if requester:
+            context.app_service = requester.app_service
 
         if builder.is_state():
             builder.prev_state = yield self.store.add_event_hashes(
diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py
index 28b2c80a93..ab87632d99 100644
--- a/synapse/handlers/room_member.py
+++ b/synapse/handlers/room_member.py
@@ -70,6 +70,7 @@ class RoomMemberHandler(BaseHandler):
             content["kind"] = "guest"
 
         event, context = yield msg_handler.create_event(
+            requester,
             {
                 "type": EventTypes.Member,
                 "content": content,
diff --git a/synapse/http/client.py b/synapse/http/client.py
index ca2f770f5d..9cf797043a 100644
--- a/synapse/http/client.py
+++ b/synapse/http/client.py
@@ -16,7 +16,7 @@ from OpenSSL import SSL
 from OpenSSL.SSL import VERIFY_NONE
 
 from synapse.api.errors import (
-    CodeMessageException, SynapseError, Codes,
+    CodeMessageException, MatrixCodeMessageException, SynapseError, Codes,
 )
 from synapse.util.logcontext import preserve_context_over_fn
 import synapse.metrics
@@ -145,6 +145,11 @@ class SimpleHttpClient(object):
 
         body = yield preserve_context_over_fn(readBody, response)
 
+        if 200 <= response.code < 300:
+            defer.returnValue(json.loads(body))
+        else:
+            raise self._exceptionFromFailedRequest(response, body)
+
         defer.returnValue(json.loads(body))
 
     @defer.inlineCallbacks
@@ -164,8 +169,11 @@ class SimpleHttpClient(object):
             On a non-2xx HTTP response. The response body will be used as the
             error message.
         """
-        body = yield self.get_raw(uri, args)
-        defer.returnValue(json.loads(body))
+        try:
+            body = yield self.get_raw(uri, args)
+            defer.returnValue(json.loads(body))
+        except CodeMessageException as e:
+            raise self._exceptionFromFailedRequest(e.code, e.msg)
 
     @defer.inlineCallbacks
     def put_json(self, uri, json_body, args={}):
@@ -246,6 +254,15 @@ class SimpleHttpClient(object):
         else:
             raise CodeMessageException(response.code, body)
 
+    def _exceptionFromFailedRequest(self, response, body):
+        try:
+            jsonBody = json.loads(body)
+            errcode = jsonBody['errcode']
+            error = jsonBody['error']
+            return MatrixCodeMessageException(response.code, error, errcode)
+        except (ValueError, KeyError):
+            return CodeMessageException(response.code, body)
+
     # XXX: FIXME: This is horribly copy-pasted from matrixfederationclient.
     # The two should be factored out.
 
diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py
index c376ab8fd7..cd388770c8 100644
--- a/synapse/rest/client/v1/room.py
+++ b/synapse/rest/client/v1/room.py
@@ -164,6 +164,7 @@ class RoomStateEventRestServlet(ClientV1RestServlet):
         else:
             msg_handler = self.handlers.message_handler
             event, context = yield msg_handler.create_event(
+                requester,
                 event_dict,
                 token_id=requester.access_token_id,
                 txn_id=txn_id,
diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py
index 3acf4eacdd..38a739f2f8 100644
--- a/synapse/rest/client/v2_alpha/register.py
+++ b/synapse/rest/client/v2_alpha/register.py
@@ -31,6 +31,7 @@ import logging
 import hmac
 from hashlib import sha1
 from synapse.util.async import run_on_reactor
+from synapse.util.ratelimitutils import FederationRateLimiter
 
 
 # We ought to be using hmac.compare_digest() but on older pythons it doesn't
@@ -115,6 +116,45 @@ class MsisdnRegisterRequestTokenRestServlet(RestServlet):
         defer.returnValue((200, ret))
 
 
+class UsernameAvailabilityRestServlet(RestServlet):
+    PATTERNS = client_v2_patterns("/register/available")
+
+    def __init__(self, hs):
+        """
+        Args:
+            hs (synapse.server.HomeServer): server
+        """
+        super(UsernameAvailabilityRestServlet, self).__init__()
+        self.hs = hs
+        self.registration_handler = hs.get_handlers().registration_handler
+        self.ratelimiter = FederationRateLimiter(
+            hs.get_clock(),
+            # Time window of 2s
+            window_size=2000,
+            # Artificially delay requests if rate > sleep_limit/window_size
+            sleep_limit=1,
+            # Amount of artificial delay to apply
+            sleep_msec=1000,
+            # Error with 429 if more than reject_limit requests are queued
+            reject_limit=1,
+            # Allow 1 request at a time
+            concurrent_requests=1,
+        )
+
+    @defer.inlineCallbacks
+    def on_GET(self, request):
+        ip = self.hs.get_ip_from_request(request)
+        with self.ratelimiter.ratelimit(ip) as wait_deferred:
+            yield wait_deferred
+
+            body = parse_json_object_from_request(request)
+            assert_params_in_request(body, ['username'])
+
+            yield self.registration_handler.check_username(body['username'])
+
+            defer.returnValue((200, {"available": True}))
+
+
 class RegisterRestServlet(RestServlet):
     PATTERNS = client_v2_patterns("/register$")
 
@@ -555,4 +595,5 @@ class RegisterRestServlet(RestServlet):
 def register_servlets(hs, http_server):
     EmailRegisterRequestTokenRestServlet(hs).register(http_server)
     MsisdnRegisterRequestTokenRestServlet(hs).register(http_server)
+    UsernameAvailabilityRestServlet(hs).register(http_server)
     RegisterRestServlet(hs).register(http_server)
diff --git a/synapse/storage/events.py b/synapse/storage/events.py
index a3790419dd..98707d40ee 100644
--- a/synapse/storage/events.py
+++ b/synapse/storage/events.py
@@ -29,6 +29,7 @@ from synapse.api.constants import EventTypes
 from synapse.api.errors import SynapseError
 from synapse.state import resolve_events
 from synapse.util.caches.descriptors import cached
+from synapse.types import get_domain_from_id
 
 from canonicaljson import encode_canonical_json
 from collections import deque, namedtuple, OrderedDict
@@ -49,6 +50,9 @@ logger = logging.getLogger(__name__)
 
 metrics = synapse.metrics.get_metrics_for(__name__)
 persist_event_counter = metrics.register_counter("persisted_events")
+event_counter = metrics.register_counter(
+    "persisted_events_sep", labels=["type", "origin_type", "origin_entity"]
+)
 
 
 def encode_json(json_object):
@@ -370,6 +374,18 @@ class EventsStore(SQLBaseStore):
                     new_forward_extremeties=new_forward_extremeties,
                 )
                 persist_event_counter.inc_by(len(chunk))
+                for event, context in chunk:
+                    if context.app_service:
+                        origin_type = "local"
+                        origin_entity = context.app_service.id
+                    elif self.hs.is_mine_id(event.sender):
+                        origin_type = "local"
+                        origin_entity = "*client*"
+                    else:
+                        origin_type = "remote"
+                        origin_entity = get_domain_from_id(event.sender)
+
+                    event_counter.inc(event.type, origin_type, origin_entity)
 
     @defer.inlineCallbacks
     def _calculate_new_extremeties(self, room_id, event_contexts, latest_event_ids):
diff --git a/synapse/util/__init__.py b/synapse/util/__init__.py
index 98a5a26ac5..2a2360ab5d 100644
--- a/synapse/util/__init__.py
+++ b/synapse/util/__init__.py
@@ -26,7 +26,7 @@ logger = logging.getLogger(__name__)
 
 class DeferredTimedOutError(SynapseError):
     def __init__(self):
-        super(SynapseError, self).__init__(504, "Timed out")
+        super(DeferredTimedOutError, self).__init__(504, "Timed out")
 
 
 def unwrapFirstError(failure):
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-22 04:42:28 +0000