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-rw-r--r--synapse/__init__.py2
-rw-r--r--synapse/config/emailconfig.py36
-rw-r--r--synapse/federation/federation_server.py8
-rw-r--r--synapse/federation/transaction_queue.py27
-rw-r--r--synapse/federation/transport/client.py19
-rw-r--r--synapse/federation/transport/server.py2
-rw-r--r--synapse/handlers/federation.py12
-rw-r--r--synapse/handlers/room_list.py11
-rw-r--r--synapse/http/matrixfederationclient.py78
-rw-r--r--synapse/push/mailer.py5
-rw-r--r--synapse/python_dependencies.py2
-rw-r--r--synapse/res/templates/mail-Vector.css7
-rw-r--r--synapse/res/templates/mail.css156
-rw-r--r--synapse/res/templates/notif.html45
-rw-r--r--synapse/res/templates/notif.txt16
-rw-r--r--synapse/res/templates/notif_mail.html55
-rw-r--r--synapse/res/templates/notif_mail.txt10
-rw-r--r--synapse/res/templates/room.html33
-rw-r--r--synapse/res/templates/room.txt9
-rw-r--r--synapse/rest/media/v1/preview_url_resource.py7
-rw-r--r--synapse/storage/event_federation.py38
21 files changed, 472 insertions, 106 deletions
diff --git a/synapse/__init__.py b/synapse/__init__.py
index 43c5821ade..1ddbbbebfb 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -27,4 +27,4 @@ try:
 except ImportError:
     pass
 
-__version__ = "0.33.6"
+__version__ = "0.33.7"
diff --git a/synapse/config/emailconfig.py b/synapse/config/emailconfig.py
index fe156b6930..e2582cfecc 100644
--- a/synapse/config/emailconfig.py
+++ b/synapse/config/emailconfig.py
@@ -13,11 +13,25 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
+
 # This file can't be called email.py because if it is, we cannot:
 import email.utils
+import logging
+import os
+import sys
+import textwrap
 
 from ._base import Config
 
+logger = logging.getLogger(__name__)
+
+TEMPLATE_DIR_WARNING = """\
+WARNING: The email notifier is configured to look for templates in '%(template_dir)s',
+but no templates could be found there. We will fall back to using the example templates;
+to get rid of this warning, leave 'email.template_dir' unset.
+"""
+
 
 class EmailConfig(Config):
     def read_config(self, config):
@@ -38,7 +52,6 @@ class EmailConfig(Config):
                 "smtp_host",
                 "smtp_port",
                 "notif_from",
-                "template_dir",
                 "notif_template_html",
                 "notif_template_text",
             ]
@@ -62,9 +75,24 @@ class EmailConfig(Config):
             self.email_smtp_host = email_config["smtp_host"]
             self.email_smtp_port = email_config["smtp_port"]
             self.email_notif_from = email_config["notif_from"]
-            self.email_template_dir = email_config["template_dir"]
             self.email_notif_template_html = email_config["notif_template_html"]
             self.email_notif_template_text = email_config["notif_template_text"]
+
+            self.email_template_dir = email_config.get("template_dir")
+
+            # backwards-compatibility hack
+            if (
+                self.email_template_dir == "res/templates"
+                and not os.path.isfile(
+                    os.path.join(self.email_template_dir, self.email_notif_template_text)
+                )
+            ):
+                t = TEMPLATE_DIR_WARNING % {
+                    "template_dir": self.email_template_dir,
+                }
+                print(textwrap.fill(t, width=80) + "\n", file=sys.stderr)
+                self.email_template_dir = None
+
             self.email_notif_for_new_users = email_config.get(
                 "notif_for_new_users", True
             )
@@ -113,7 +141,9 @@ class EmailConfig(Config):
         #   require_transport_security: False
         #   notif_from: "Your Friendly %(app)s Home Server <noreply@example.com>"
         #   app_name: Matrix
-        #   template_dir: res/templates
+        #   # if template_dir is unset, uses the example templates that are part of
+        #   # the Synapse distribution.
+        #   #template_dir: res/templates
         #   notif_template_html: notif_mail.html
         #   notif_template_text: notif_mail.txt
         #   notif_for_new_users: True
diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py
index 819e8f7331..4efe95faa4 100644
--- a/synapse/federation/federation_server.py
+++ b/synapse/federation/federation_server.py
@@ -507,19 +507,19 @@ class FederationServer(FederationBase):
     @defer.inlineCallbacks
     @log_function
     def on_get_missing_events(self, origin, room_id, earliest_events,
-                              latest_events, limit, min_depth):
+                              latest_events, limit):
         with (yield self._server_linearizer.queue((origin, room_id))):
             origin_host, _ = parse_server_name(origin)
             yield self.check_server_matches_acl(origin_host, room_id)
 
             logger.info(
                 "on_get_missing_events: earliest_events: %r, latest_events: %r,"
-                " limit: %d, min_depth: %d",
-                earliest_events, latest_events, limit, min_depth
+                " limit: %d",
+                earliest_events, latest_events, limit,
             )
 
             missing_events = yield self.handler.on_get_missing_events(
-                origin, room_id, earliest_events, latest_events, limit, min_depth
+                origin, room_id, earliest_events, latest_events, limit,
             )
 
             if len(missing_events) < 5:
diff --git a/synapse/federation/transaction_queue.py b/synapse/federation/transaction_queue.py
index 98b5950800..3fdd63be95 100644
--- a/synapse/federation/transaction_queue.py
+++ b/synapse/federation/transaction_queue.py
@@ -633,14 +633,6 @@ class TransactionQueue(object):
                 transaction, json_data_cb
             )
             code = 200
-
-            if response:
-                for e_id, r in response.get("pdus", {}).items():
-                    if "error" in r:
-                        logger.warn(
-                            "Transaction returned error for %s: %s",
-                            e_id, r,
-                        )
         except HttpResponseException as e:
             code = e.code
             response = e.response
@@ -657,19 +649,24 @@ class TransactionQueue(object):
             destination, txn_id, code
         )
 
-        logger.debug("TX [%s] Sent transaction", destination)
-        logger.debug("TX [%s] Marking as delivered...", destination)
-
         yield self.transaction_actions.delivered(
             transaction, code, response
         )
 
-        logger.debug("TX [%s] Marked as delivered", destination)
+        logger.debug("TX [%s] {%s} Marked as delivered", destination, txn_id)
 
-        if code != 200:
+        if code == 200:
+            for e_id, r in response.get("pdus", {}).items():
+                if "error" in r:
+                    logger.warn(
+                        "TX [%s] {%s} Remote returned error for %s: %s",
+                        destination, txn_id, e_id, r,
+                    )
+        else:
             for p in pdus:
-                logger.info(
-                    "Failed to send event %s to %s", p.event_id, destination
+                logger.warn(
+                    "TX [%s] {%s} Failed to send event %s",
+                    destination, txn_id, p.event_id,
                 )
             success = False
 
diff --git a/synapse/federation/transport/client.py b/synapse/federation/transport/client.py
index 2ab973d6c8..edba5a9808 100644
--- a/synapse/federation/transport/client.py
+++ b/synapse/federation/transport/client.py
@@ -143,9 +143,17 @@ class TransportLayerClient(object):
             transaction (Transaction)
 
         Returns:
-            Deferred: Results of the deferred is a tuple in the form of
-            (response_code, response_body) where the response_body is a
-            python dict decoded from json
+            Deferred: Succeeds when we get a 2xx HTTP response. The result
+            will be the decoded JSON body.
+
+            Fails with ``HTTPRequestException`` if we get an HTTP response
+            code >= 300.
+
+            Fails with ``NotRetryingDestination`` if we are not yet ready
+            to retry this server.
+
+            Fails with ``FederationDeniedError`` if this destination
+            is not on our federation whitelist
         """
         logger.debug(
             "send_data dest=%s, txid=%s",
@@ -170,11 +178,6 @@ class TransportLayerClient(object):
             backoff_on_404=True,  # If we get a 404 the other side has gone
         )
 
-        logger.debug(
-            "send_data dest=%s, txid=%s, got response: 200",
-            transaction.destination, transaction.transaction_id,
-        )
-
         defer.returnValue(response)
 
     @defer.inlineCallbacks
diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py
index 2f874b4838..7288d49074 100644
--- a/synapse/federation/transport/server.py
+++ b/synapse/federation/transport/server.py
@@ -560,7 +560,6 @@ class FederationGetMissingEventsServlet(BaseFederationServlet):
     @defer.inlineCallbacks
     def on_POST(self, origin, content, query, room_id):
         limit = int(content.get("limit", 10))
-        min_depth = int(content.get("min_depth", 0))
         earliest_events = content.get("earliest_events", [])
         latest_events = content.get("latest_events", [])
 
@@ -569,7 +568,6 @@ class FederationGetMissingEventsServlet(BaseFederationServlet):
             room_id=room_id,
             earliest_events=earliest_events,
             latest_events=latest_events,
-            min_depth=min_depth,
             limit=limit,
         )
 
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 45d955e6f5..cab57a8849 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -309,8 +309,8 @@ class FederationHandler(BaseHandler):
 
                 if sent_to_us_directly:
                     logger.warn(
-                        "[%s %s] Failed to fetch %d prev events: rejecting",
-                        room_id, event_id, len(prevs - seen),
+                        "[%s %s] Rejecting: failed to fetch %d prev events: %s",
+                        room_id, event_id, len(prevs - seen), shortstr(prevs - seen)
                     )
                     raise FederationError(
                         "ERROR",
@@ -452,8 +452,8 @@ class FederationHandler(BaseHandler):
         latest |= seen
 
         logger.info(
-            "[%s %s]: Requesting %d prev_events: %s",
-            room_id, event_id, len(prevs - seen), shortstr(prevs - seen)
+            "[%s %s]: Requesting missing events between %s and %s",
+            room_id, event_id, shortstr(latest), event_id,
         )
 
         # XXX: we set timeout to 10s to help workaround
@@ -1852,7 +1852,7 @@ class FederationHandler(BaseHandler):
 
     @defer.inlineCallbacks
     def on_get_missing_events(self, origin, room_id, earliest_events,
-                              latest_events, limit, min_depth):
+                              latest_events, limit):
         in_room = yield self.auth.check_host_in_room(
             room_id,
             origin
@@ -1861,14 +1861,12 @@ class FederationHandler(BaseHandler):
             raise AuthError(403, "Host not in room.")
 
         limit = min(limit, 20)
-        min_depth = max(min_depth, 0)
 
         missing_events = yield self.store.get_missing_events(
             room_id=room_id,
             earliest_events=earliest_events,
             latest_events=latest_events,
             limit=limit,
-            min_depth=min_depth,
         )
 
         missing_events = yield filter_events_for_server(
diff --git a/synapse/handlers/room_list.py b/synapse/handlers/room_list.py
index 38e1737ec9..dc88620885 100644
--- a/synapse/handlers/room_list.py
+++ b/synapse/handlers/room_list.py
@@ -16,7 +16,7 @@
 import logging
 from collections import namedtuple
 
-from six import iteritems
+from six import PY3, iteritems
 from six.moves import range
 
 import msgpack
@@ -444,9 +444,16 @@ class RoomListNextBatch(namedtuple("RoomListNextBatch", (
 
     @classmethod
     def from_token(cls, token):
+        if PY3:
+            # The argument raw=False is only available on new versions of
+            # msgpack, and only really needed on Python 3. Gate it behind
+            # a PY3 check to avoid causing issues on Debian-packaged versions.
+            decoded = msgpack.loads(decode_base64(token), raw=False)
+        else:
+            decoded = msgpack.loads(decode_base64(token))
         return RoomListNextBatch(**{
             cls.REVERSE_KEY_DICT[key]: val
-            for key, val in msgpack.loads(decode_base64(token)).items()
+            for key, val in decoded.items()
         })
 
     def to_token(self):
diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py
index 14b12cd1c4..fcc02fc77d 100644
--- a/synapse/http/matrixfederationclient.py
+++ b/synapse/http/matrixfederationclient.py
@@ -195,7 +195,7 @@ class MatrixFederationHttpClient(object):
         )
         self.clock = hs.get_clock()
         self._store = hs.get_datastore()
-        self.version_string = hs.version_string.encode('ascii')
+        self.version_string_bytes = hs.version_string.encode('ascii')
         self.default_timeout = 60
 
         def schedule(x):
@@ -261,8 +261,8 @@ class MatrixFederationHttpClient(object):
             ignore_backoff=ignore_backoff,
         )
 
-        method = request.method
-        destination = request.destination
+        method_bytes = request.method.encode("ascii")
+        destination_bytes = request.destination.encode("ascii")
         path_bytes = request.path.encode("ascii")
         if request.query:
             query_bytes = encode_query_args(request.query)
@@ -270,8 +270,8 @@ class MatrixFederationHttpClient(object):
             query_bytes = b""
 
         headers_dict = {
-            "User-Agent": [self.version_string],
-            "Host": [request.destination],
+            b"User-Agent": [self.version_string_bytes],
+            b"Host": [destination_bytes],
         }
 
         with limiter:
@@ -282,50 +282,51 @@ class MatrixFederationHttpClient(object):
             else:
                 retries_left = MAX_SHORT_RETRIES
 
-            url = urllib.parse.urlunparse((
-                b"matrix", destination.encode("ascii"),
+            url_bytes = urllib.parse.urlunparse((
+                b"matrix", destination_bytes,
                 path_bytes, None, query_bytes, b"",
-            )).decode('ascii')
+            ))
+            url_str = url_bytes.decode('ascii')
 
-            http_url = urllib.parse.urlunparse((
+            url_to_sign_bytes = urllib.parse.urlunparse((
                 b"", b"",
                 path_bytes, None, query_bytes, b"",
-            )).decode('ascii')
+            ))
 
             while True:
                 try:
                     json = request.get_json()
                     if json:
-                        data = encode_canonical_json(json)
-                        headers_dict["Content-Type"] = ["application/json"]
+                        headers_dict[b"Content-Type"] = [b"application/json"]
                         self.sign_request(
-                            destination, method, http_url, headers_dict, json
+                            destination_bytes, method_bytes, url_to_sign_bytes,
+                            headers_dict, json,
                         )
-                    else:
-                        data = None
-                        self.sign_request(destination, method, http_url, headers_dict)
-
-                    logger.info(
-                        "{%s} [%s] Sending request: %s %s",
-                        request.txn_id, destination, method, url
-                    )
-
-                    if data:
+                        data = encode_canonical_json(json)
                         producer = FileBodyProducer(
                             BytesIO(data),
-                            cooperator=self._cooperator
+                            cooperator=self._cooperator,
                         )
                     else:
                         producer = None
+                        self.sign_request(
+                            destination_bytes, method_bytes, url_to_sign_bytes,
+                            headers_dict,
+                        )
 
-                    request_deferred = treq.request(
-                        method,
-                        url,
+                    logger.info(
+                        "{%s} [%s] Sending request: %s %s",
+                        request.txn_id, request.destination, request.method,
+                        url_str,
+                    )
+
+                    # we don't want all the fancy cookie and redirect handling that
+                    # treq.request gives: just use the raw Agent.
+                    request_deferred = self.agent.request(
+                        method_bytes,
+                        url_bytes,
                         headers=Headers(headers_dict),
-                        data=producer,
-                        agent=self.agent,
-                        reactor=self.hs.get_reactor(),
-                        unbuffered=True
+                        bodyProducer=producer,
                     )
 
                     request_deferred = timeout_deferred(
@@ -344,9 +345,9 @@ class MatrixFederationHttpClient(object):
                     logger.warn(
                         "{%s} [%s] Request failed: %s %s: %s",
                         request.txn_id,
-                        destination,
-                        method,
-                        url,
+                        request.destination,
+                        request.method,
+                        url_str,
                         _flatten_response_never_received(e),
                     )
 
@@ -366,7 +367,7 @@ class MatrixFederationHttpClient(object):
                         logger.debug(
                             "{%s} [%s] Waiting %ss before re-sending...",
                             request.txn_id,
-                            destination,
+                            request.destination,
                             delay,
                         )
 
@@ -378,7 +379,7 @@ class MatrixFederationHttpClient(object):
             logger.info(
                 "{%s} [%s] Got response headers: %d %s",
                 request.txn_id,
-                destination,
+                request.destination,
                 response.code,
                 response.phrase.decode('ascii', errors='replace'),
             )
@@ -411,8 +412,9 @@ class MatrixFederationHttpClient(object):
                 destination_is must be non-None.
             method (bytes): The HTTP method of the request
             url_bytes (bytes): The URI path of the request
-            headers_dict (dict): Dictionary of request headers to append to
-            content (bytes): The body of the request
+            headers_dict (dict[bytes, list[bytes]]): Dictionary of request headers to
+                append to
+            content (object): The body of the request
             destination_is (bytes): As 'destination', but if the destination is an
                 identity server
 
diff --git a/synapse/push/mailer.py b/synapse/push/mailer.py
index 1a5a10d974..b9dcfee740 100644
--- a/synapse/push/mailer.py
+++ b/synapse/push/mailer.py
@@ -528,7 +528,10 @@ def load_jinja2_templates(config):
     """
     logger.info("loading jinja2")
 
-    loader = jinja2.FileSystemLoader(config.email_template_dir)
+    if config.email_template_dir:
+        loader = jinja2.FileSystemLoader(config.email_template_dir)
+    else:
+        loader = jinja2.PackageLoader('synapse', 'res/templates')
     env = jinja2.Environment(loader=loader)
     env.filters["format_ts"] = format_ts_filter
     env.filters["mxc_to_http"] = _create_mxc_to_http_filter(config)
diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
index 2947f37f1a..f51184b50d 100644
--- a/synapse/python_dependencies.py
+++ b/synapse/python_dependencies.py
@@ -55,7 +55,7 @@ REQUIREMENTS = {
     "sortedcontainers>=1.4.4": ["sortedcontainers"],
     "pysaml2>=3.0.0": ["saml2"],
     "pymacaroons-pynacl>=0.9.3": ["pymacaroons"],
-    "msgpack-python>=0.3.0": ["msgpack"],
+    "msgpack-python>=0.4.2": ["msgpack"],
     "phonenumbers>=8.2.0": ["phonenumbers"],
     "six>=1.10": ["six"],
 
diff --git a/synapse/res/templates/mail-Vector.css b/synapse/res/templates/mail-Vector.css
new file mode 100644
index 0000000000..6a3e36eda1
--- /dev/null
+++ b/synapse/res/templates/mail-Vector.css
@@ -0,0 +1,7 @@
+.header {
+    border-bottom: 4px solid #e4f7ed ! important;
+}
+
+.notif_link a, .footer a {
+    color: #76CFA6 ! important;
+}
diff --git a/synapse/res/templates/mail.css b/synapse/res/templates/mail.css
new file mode 100644
index 0000000000..5ab3e1b06d
--- /dev/null
+++ b/synapse/res/templates/mail.css
@@ -0,0 +1,156 @@
+body {
+    margin: 0px;
+}
+
+pre, code {
+    word-break: break-word;
+    white-space: pre-wrap;
+}
+
+#page {
+    font-family: 'Open Sans', Helvetica, Arial, Sans-Serif;
+    font-color: #454545;
+    font-size: 12pt;
+    width: 100%;
+    padding: 20px;
+}
+
+#inner {
+    width: 640px;
+}
+
+.header {
+    width: 100%;
+    height: 87px;
+    color: #454545;
+    border-bottom: 4px solid #e5e5e5;
+}
+
+.logo {
+    text-align: right;
+    margin-left: 20px;
+}
+
+.salutation {
+    padding-top: 10px;
+    font-weight: bold;
+}
+
+.summarytext {
+}
+
+.room {
+    width: 100%;
+    color: #454545;
+    border-bottom: 1px solid #e5e5e5;
+}
+
+.room_header td {
+    padding-top: 38px;
+    padding-bottom: 10px;
+    border-bottom: 1px solid #e5e5e5;
+}
+
+.room_name {
+    vertical-align: middle;
+    font-size: 18px;
+    font-weight: bold;
+}
+
+.room_header h2 {
+    margin-top: 0px;
+    margin-left: 75px;
+    font-size: 20px;
+}
+
+.room_avatar {
+    width: 56px;
+    line-height: 0px;
+    text-align: center;
+    vertical-align: middle;
+}
+
+.room_avatar img {
+    width: 48px;
+    height: 48px;
+    object-fit: cover;
+    border-radius: 24px;
+}
+
+.notif {
+    border-bottom: 1px solid #e5e5e5;
+    margin-top: 16px;
+    padding-bottom: 16px;
+}
+
+.historical_message .sender_avatar {
+    opacity: 0.3;
+}
+
+/* spell out opacity and historical_message class names for Outlook aka Word */
+.historical_message .sender_name {
+    color: #e3e3e3;
+}
+
+.historical_message .message_time {
+    color: #e3e3e3;
+}
+
+.historical_message .message_body {
+    color: #c7c7c7;
+}
+
+.historical_message td,
+.message td {
+    padding-top: 10px;
+}
+
+.sender_avatar {
+    width: 56px;
+    text-align: center;
+    vertical-align: top;
+}
+
+.sender_avatar img {
+    margin-top: -2px;
+    width: 32px;
+    height: 32px;
+    border-radius: 16px;
+}
+
+.sender_name  {
+    display: inline;
+    font-size: 13px;
+    color: #a2a2a2;
+}
+
+.message_time  {
+    text-align: right;
+    width: 100px;
+    font-size: 11px;
+    color: #a2a2a2;
+}
+
+.message_body {
+}
+
+.notif_link td {
+    padding-top: 10px;
+    padding-bottom: 10px;
+    font-weight: bold;
+}
+
+.notif_link a, .footer a {
+    color: #454545;
+    text-decoration: none;
+}
+
+.debug {
+    font-size: 10px;
+    color: #888;
+}
+
+.footer {
+    margin-top: 20px;
+    text-align: center;
+}
\ No newline at end of file
diff --git a/synapse/res/templates/notif.html b/synapse/res/templates/notif.html
new file mode 100644
index 0000000000..88b921ca9c
--- /dev/null
+++ b/synapse/res/templates/notif.html
@@ -0,0 +1,45 @@
+{% for message in notif.messages %}
+    <tr class="{{ "historical_message" if message.is_historical else "message" }}">
+        <td class="sender_avatar">
+            {% if loop.index0 == 0 or notif.messages[loop.index0 - 1].sender_name != notif.messages[loop.index0].sender_name %}
+                {% if message.sender_avatar_url %}
+                    <img alt="" class="sender_avatar" src="{{ message.sender_avatar_url|mxc_to_http(32,32) }}"  />
+                {% else %}
+                    {% if message.sender_hash % 3 == 0 %}
+                        <img class="sender_avatar" src="https://vector.im/beta/img/76cfa6.png"  />
+                    {% elif message.sender_hash % 3 == 1 %}
+                        <img class="sender_avatar" src="https://vector.im/beta/img/50e2c2.png"  />
+                    {% else %}
+                        <img class="sender_avatar" src="https://vector.im/beta/img/f4c371.png"  />
+                    {% endif %}
+                {% endif %}
+            {% endif %}
+        </td>
+        <td class="message_contents">
+            {% if loop.index0 == 0 or notif.messages[loop.index0 - 1].sender_name != notif.messages[loop.index0].sender_name %}
+                <div class="sender_name">{% if message.msgtype == "m.emote" %}*{% endif %} {{ message.sender_name }}</div>
+            {% endif %}
+            <div class="message_body">
+                {% if message.msgtype == "m.text" %}
+                    {{ message.body_text_html }}
+                {% elif message.msgtype == "m.emote" %}
+                    {{ message.body_text_html }}
+                {% elif message.msgtype == "m.notice" %}
+                    {{ message.body_text_html }}
+                {% elif message.msgtype == "m.image" %}
+                    <img src="{{ message.image_url|mxc_to_http(640, 480, scale) }}" />
+                {% elif message.msgtype == "m.file" %}
+                    <span class="filename">{{ message.body_text_plain }}</span>
+                {% endif %}
+            </div>
+        </td>
+        <td class="message_time">{{ message.ts|format_ts("%H:%M") }}</td>
+    </tr>
+{% endfor %}
+<tr class="notif_link">
+    <td></td>
+    <td>
+        <a href="{{ notif.link }}">View {{ room.title }}</a>
+    </td>
+    <td></td>
+</tr>
diff --git a/synapse/res/templates/notif.txt b/synapse/res/templates/notif.txt
new file mode 100644
index 0000000000..a37bee9833
--- /dev/null
+++ b/synapse/res/templates/notif.txt
@@ -0,0 +1,16 @@
+{% for message in notif.messages %}
+{% if message.msgtype == "m.emote" %}* {% endif %}{{ message.sender_name }} ({{ message.ts|format_ts("%H:%M") }})
+{% if message.msgtype == "m.text" %}
+{{ message.body_text_plain }}
+{% elif message.msgtype == "m.emote" %}
+{{ message.body_text_plain }}
+{% elif message.msgtype == "m.notice" %}
+{{ message.body_text_plain }}
+{% elif message.msgtype == "m.image" %}
+{{ message.body_text_plain }}
+{% elif message.msgtype == "m.file" %}
+{{ message.body_text_plain }}
+{% endif %}
+{% endfor %}
+
+View {{ room.title }} at {{ notif.link }}
diff --git a/synapse/res/templates/notif_mail.html b/synapse/res/templates/notif_mail.html
new file mode 100644
index 0000000000..fcdb3109fe
--- /dev/null
+++ b/synapse/res/templates/notif_mail.html
@@ -0,0 +1,55 @@
+<!doctype html>
+<html lang="en">
+    <head>
+        <style type="text/css">
+            {% include 'mail.css' without context %}
+            {% include "mail-%s.css" % app_name ignore missing without context %}
+        </style>
+    </head>
+    <body>
+        <table id="page">
+            <tr>
+                <td> </td>
+                <td id="inner">
+                    <table class="header">
+                        <tr>
+                            <td>
+                                <div class="salutation">Hi {{ user_display_name }},</div>
+                                <div class="summarytext">{{ summary_text }}</div>
+                            </td>
+                            <td class="logo">
+                                {% if app_name == "Riot" %}
+                                    <img src="http://matrix.org/img/riot-logo-email.png" width="83" height="83" alt="[Riot]"/>
+                                {% elif app_name == "Vector" %}
+                                    <img src="http://matrix.org/img/vector-logo-email.png" width="64" height="83" alt="[Vector]"/>
+                                {% else %}
+                                    <img src="http://matrix.org/img/matrix-120x51.png" width="120" height="51" alt="[matrix]"/>
+                                {% endif %}
+                            </td>
+                        </tr>
+                    </table>
+                    {% for room in rooms %}
+                        {% include 'room.html' with context %}
+                    {% endfor %}
+                    <div class="footer">
+                        <a href="{{ unsubscribe_link }}">Unsubscribe</a>
+                        <br/>
+                        <br/>
+                        <div class="debug">
+                            Sending email at {{ reason.now|format_ts("%c") }} due to activity in room {{ reason.room_name }} because
+                            an event was received at {{ reason.received_at|format_ts("%c") }}
+                            which is more than {{ "%.1f"|format(reason.delay_before_mail_ms / (60*1000)) }} ({{ reason.delay_before_mail_ms }}) mins ago,
+                            {% if reason.last_sent_ts %}
+                                and the last time we sent a mail for this room was {{ reason.last_sent_ts|format_ts("%c") }},
+                                which is more than {{ "%.1f"|format(reason.throttle_ms / (60*1000)) }} (current throttle_ms) mins ago.
+                            {% else %}
+                                and we don't have a last time we sent a mail for this room.
+                            {% endif %}
+                        </div>
+                    </div>
+                </td>
+                <td> </td>
+            </tr>
+        </table>
+    </body>
+</html>
diff --git a/synapse/res/templates/notif_mail.txt b/synapse/res/templates/notif_mail.txt
new file mode 100644
index 0000000000..24843042a5
--- /dev/null
+++ b/synapse/res/templates/notif_mail.txt
@@ -0,0 +1,10 @@
+Hi {{ user_display_name }},
+
+{{ summary_text }}
+
+{% for room in rooms %}
+{% include 'room.txt' with context %}
+{% endfor %}
+
+You can disable these notifications at {{ unsubscribe_link }}
+
diff --git a/synapse/res/templates/room.html b/synapse/res/templates/room.html
new file mode 100644
index 0000000000..723c222d25
--- /dev/null
+++ b/synapse/res/templates/room.html
@@ -0,0 +1,33 @@
+<table class="room">
+    <tr class="room_header">
+        <td class="room_avatar">
+            {% if room.avatar_url %}
+                <img alt="" src="{{ room.avatar_url|mxc_to_http(48,48) }}" />
+            {% else %}
+                {% if room.hash % 3 == 0 %}
+                    <img alt="" src="https://vector.im/beta/img/76cfa6.png"  />
+                {% elif room.hash % 3 == 1 %}
+                    <img alt="" src="https://vector.im/beta/img/50e2c2.png"  />
+                {% else %}
+                    <img alt="" src="https://vector.im/beta/img/f4c371.png"  />
+                {% endif %}
+            {% endif %}
+        </td>
+        <td class="room_name" colspan="2">
+            {{ room.title }}
+        </td>
+    </tr>
+    {% if room.invite %}
+        <tr>
+            <td></td>
+            <td>
+                <a href="{{ room.link }}">Join the conversation.</a>
+            </td>
+            <td></td>
+        </tr>
+    {% else %}
+        {% for notif in room.notifs %}
+            {% include 'notif.html' with context %}
+        {% endfor %}
+    {% endif %}
+</table>
diff --git a/synapse/res/templates/room.txt b/synapse/res/templates/room.txt
new file mode 100644
index 0000000000..84648c710e
--- /dev/null
+++ b/synapse/res/templates/room.txt
@@ -0,0 +1,9 @@
+{{ room.title }}
+
+{% if room.invite %}
+    You've been invited, join at {{ room.link }}
+{% else %}
+    {% for notif in room.notifs %}
+        {% include 'notif.txt' with context %}
+    {% endfor %}
+{% endif %}
diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py
index af01040a38..8c892ff187 100644
--- a/synapse/rest/media/v1/preview_url_resource.py
+++ b/synapse/rest/media/v1/preview_url_resource.py
@@ -596,10 +596,13 @@ def _iterate_over_text(tree, *tags_to_ignore):
     # to be returned.
     elements = iter([tree])
     while True:
-        el = next(elements)
+        el = next(elements, None)
+        if el is None:
+            return
+
         if isinstance(el, string_types):
             yield el
-        elif el is not None and el.tag not in tags_to_ignore:
+        elif el.tag not in tags_to_ignore:
             # el.text is the text before the first child, so we can immediately
             # return it if the text exists.
             if el.text:
diff --git a/synapse/storage/event_federation.py b/synapse/storage/event_federation.py
index 24345b20a6..3faca2a042 100644
--- a/synapse/storage/event_federation.py
+++ b/synapse/storage/event_federation.py
@@ -376,33 +376,25 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore,
 
     @defer.inlineCallbacks
     def get_missing_events(self, room_id, earliest_events, latest_events,
-                           limit, min_depth):
+                           limit):
         ids = yield self.runInteraction(
             "get_missing_events",
             self._get_missing_events,
-            room_id, earliest_events, latest_events, limit, min_depth
+            room_id, earliest_events, latest_events, limit,
         )
-
         events = yield self._get_events(ids)
-
-        events = sorted(
-            [ev for ev in events if ev.depth >= min_depth],
-            key=lambda e: e.depth,
-        )
-
-        defer.returnValue(events[:limit])
+        defer.returnValue(events)
 
     def _get_missing_events(self, txn, room_id, earliest_events, latest_events,
-                            limit, min_depth):
-
-        earliest_events = set(earliest_events)
-        front = set(latest_events) - earliest_events
+                            limit):
 
-        event_results = set()
+        seen_events = set(earliest_events)
+        front = set(latest_events) - seen_events
+        event_results = []
 
         query = (
             "SELECT prev_event_id FROM event_edges "
-            "WHERE event_id = ? AND is_state = ? "
+            "WHERE room_id = ? AND event_id = ? AND is_state = ? "
             "LIMIT ?"
         )
 
@@ -411,18 +403,20 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore,
             for event_id in front:
                 txn.execute(
                     query,
-                    (event_id, False, limit - len(event_results))
+                    (room_id, event_id, False, limit - len(event_results))
                 )
 
-                for e_id, in txn:
-                    new_front.add(e_id)
+                new_results = set(t[0] for t in txn) - seen_events
 
-            new_front -= earliest_events
-            new_front -= event_results
+                new_front |= new_results
+                seen_events |= new_results
+                event_results.extend(new_results)
 
             front = new_front
-            event_results |= new_front
 
+        # we built the list working backwards from latest_events; we now need to
+        # reverse it so that the events are approximately chronological.
+        event_results.reverse()
         return event_results
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-02 19:36:09 +0000