feat: Slack Avatar integration

UPDATING.md

@@ -38,6 +38,9 @@ assists people when migrating to a new version.
 - [27697](https://github.com/apache/superset/pull/27697) [minor] flask-session bump leads to them
   deprecating `SESSION_USE_SIGNER`, check your configs as this flag won't do anything moving
   forward.
+- [27849](https://github.com/apache/superset/pull/27849/) More of an FYI, but we have a
+  new config `SLACK_ENABLE_AVATARS` (False by default) that works in conjunction with
+  set `SLACK_API_TOKEN` to fetch and serve Slack avatar links
 
 ## 4.0.0
 

superset-frontend/src/components/FacePile/index.tsx

@@ -33,12 +33,14 @@ interface FacePileProps {
 
 const colorList = getCategoricalSchemeRegistry().get()?.colors ?? [];
 
-const customAvatarStyler = (theme: SupersetTheme) => `
-  width: ${theme.gridUnit * 6}px;
-  height: ${theme.gridUnit * 6}px;
-  line-height: ${theme.gridUnit * 6}px;
-  font-size: ${theme.typography.sizes.m}px;
-`;
+const customAvatarStyler = (theme: SupersetTheme) => {
+  const size = theme.gridUnit * 8;
+  return `
+  width: ${size}px;
+  height: ${size}px;
+  line-height: ${size}px;
+  font-size: ${theme.typography.sizes.s}px;`;
+};
 
 const StyledAvatar = styled(Avatar)`
   ${({ theme }) => customAvatarStyler(theme)}
@@ -58,6 +60,7 @@ export default function FacePile({ users, maxCount = 4 }: FacePileProps) {
         const name = `${first_name} ${last_name}`;
         const uniqueKey = `${id}-${first_name}-${last_name}`;
         const color = getRandomColor(uniqueKey, colorList);
+        const avatarUrl = `/api/v1/user/${id}/avatar.png`;
         return (
           <Tooltip key={name} title={name} placement="top">
             <StyledAvatar
@@ -66,6 +69,7 @@ export default function FacePile({ users, maxCount = 4 }: FacePileProps) {
                 backgroundColor: color,
                 borderColor: color,
               }}
+              src={avatarUrl}
             >
               {first_name?.[0]?.toLocaleUpperCase()}
               {last_name?.[0]?.toLocaleUpperCase()}

superset-frontend/src/pages/DashboardList/index.tsx

@@ -357,6 +357,9 @@ function DashboardList(props: DashboardListProps) {
         Header: t('Owners'),
         accessor: 'owners',
         disableSortBy: true,
+        cellProps: {
+          style: { padding: '0px' },
+        },
         size: 'xl',
       },
       {

superset/config.py

@@ -1330,6 +1330,11 @@ def EMAIL_HEADER_MUTATOR(  # pylint: disable=invalid-name,unused-argument
 SLACK_API_TOKEN: Callable[[], str] | str | None = None
 SLACK_PROXY = None
 
+# Whether Superset should use Slack avatars for users.
+# If on, you'll want to add "https://avatars.slack-edge.com" to the list of allowed
+# domains in your TALISMAN_CONFIG
+SLACK_ENABLE_AVATARS = False
+
 # The webdriver to use for generating reports. Use one of the following
 # firefox
 #   Requires: geckodriver and firefox installations
@@ -1454,6 +1459,7 @@ def EMAIL_HEADER_MUTATOR(  # pylint: disable=invalid-name,unused-argument
             "data:",
             "https://apachesuperset.gateway.scarf.sh",
             "https://static.scarf.sh/",
+            # "https://avatars.slack-edge.com", # Uncomment when SLACK_ENABLE_AVATARS is True
         ],
         "worker-src": ["'self'", "blob:"],
         "connect-src": [
@@ -1483,6 +1489,7 @@ def EMAIL_HEADER_MUTATOR(  # pylint: disable=invalid-name,unused-argument
             "data:",
             "https://apachesuperset.gateway.scarf.sh",
             "https://static.scarf.sh/",
+            "https://avatars.slack-edge.com",
         ],
         "worker-src": ["'self'", "blob:"],
         "connect-src": [

superset/daos/user.py

@@ -0,0 +1,43 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+from __future__ import annotations
+
+import logging
+
+from flask_appbuilder.security.sqla.models import User
+
+from superset.daos.base import BaseDAO
+from superset.extensions import db
+from superset.models.user_attributes import UserAttribute
+
+logger = logging.getLogger(__name__)
+
+
+class UserDAO(BaseDAO[User]):
+    @staticmethod
+    def get_by_id(user_id: int) -> User:
+        return db.session.query(User).filter_by(id=user_id).one()
+
+    @staticmethod
+    def set_avatar_url(user: User, url: str) -> None:
+        if user.extra_attributes:
+            user.extra_attributes[0].avatar_url = url
+        else:
+            attrs = UserAttribute(avatar_url=url, user_id=user.id)
+            user.extra_attributes = [attrs]
+            db.session.add(attrs)
+            db.session.commit()

superset/initialization/__init__.py

@@ -189,7 +189,7 @@ def init_views(self) -> None:
         )
         from superset.views.sqllab import SqllabView
         from superset.views.tags import TagModelView, TagView
-        from superset.views.users.api import CurrentUserRestApi
+        from superset.views.users.api import CurrentUserRestApi, UserRestApi
 
         #
         # Setup API views
@@ -204,6 +204,7 @@ def init_views(self) -> None:
         appbuilder.add_api(ChartDataRestApi)
         appbuilder.add_api(CssTemplateRestApi)
         appbuilder.add_api(CurrentUserRestApi)
+        appbuilder.add_api(UserRestApi)
         appbuilder.add_api(DashboardFilterStateRestApi)
         appbuilder.add_api(DashboardPermalinkRestApi)
         appbuilder.add_api(DashboardRestApi)

superset/migrations/versions/2024-04-01_22-44_c22cb5c2e546_user_attr_avatar_url.py

@@ -0,0 +1,39 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+# # Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+"""empty message
+
+Revision ID: c22cb5c2e546
+Revises: be1b217cd8cd
+Create Date: 2024-04-01 22:44:40.386543
+
+"""
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = "c22cb5c2e546"
+down_revision = "be1b217cd8cd"
+
+
+def upgrade():
+    op.add_column(
+        "user_attribute", sa.Column("avatar_url", sa.String(length=100), nullable=True)
+    )
+
+
+def downgrade():
+    op.drop_column("user_attribute", "avatar_url")

superset/migrations/versions/2024-04-11_00-49_bbf146925528_.py

@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+"""empty message
+
+Revision ID: bbf146925528
+Revises: ('678eefb4ab44', 'c22cb5c2e546')
+Create Date: 2024-04-11 00:49:51.592325
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = "bbf146925528"
+down_revision = ("678eefb4ab44", "c22cb5c2e546")
+
+import sqlalchemy as sa
+from alembic import op
+
+
+def upgrade():
+    pass
+
+
+def downgrade():
+    pass

superset/migrations/versions/2024-04-15_16-06_0dc386701747_.py

@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+"""empty message
+
+Revision ID: 0dc386701747
+Revises: ('5ad7321c2169', 'bbf146925528')
+Create Date: 2024-04-15 16:06:29.946059
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = "0dc386701747"
+down_revision = ("5ad7321c2169", "bbf146925528")
+
+import sqlalchemy as sa
+from alembic import op
+
+
+def upgrade():
+    pass
+
+
+def downgrade():
+    pass

superset/models/user_attributes.py

@@ -14,8 +14,9 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
+
 from flask_appbuilder import Model
-from sqlalchemy import Column, ForeignKey, Integer
+from sqlalchemy import Column, ForeignKey, Integer, String
 from sqlalchemy.orm import relationship
 
 from superset import security_manager
@@ -39,6 +40,6 @@ class UserAttribute(Model, AuditMixinNullable):
     user = relationship(
         security_manager.user_model, backref="extra_attributes", foreign_keys=[user_id]
     )
-
     welcome_dashboard_id = Column(Integer, ForeignKey("dashboards.id"))
     welcome_dashboard = relationship("Dashboard")
+    avatar_url = Column(String(100))

superset/reports/notifications/slack.py

@@ -24,7 +24,6 @@
 import pandas as pd
 from flask import g
 from flask_babel import gettext as __
-from slack_sdk import WebClient
 from slack_sdk.errors import (
     BotUserAccessError,
     SlackApiError,
@@ -36,7 +35,6 @@
     SlackTokenRotationError,
 )
 
-from superset import app
 from superset.reports.models import ReportRecipientType
 from superset.reports.notifications.base import BaseNotification
 from superset.reports.notifications.exceptions import (
@@ -47,6 +45,7 @@
 )
 from superset.utils.core import get_email_address_list
 from superset.utils.decorators import statsd_gauge
+from superset.utils.slack import get_slack_client
 
 logger = logging.getLogger(__name__)
 
@@ -181,10 +180,7 @@ def send(self) -> None:
         body = self._get_body()
         global_logs_context = getattr(g, "logs_context", {}) or {}
         try:
-            token = app.config["SLACK_API_TOKEN"]
-            if callable(token):
-                token = token()
-            client = WebClient(token=token, proxy=app.config["SLACK_PROXY"])
+            client = get_slack_client()
             # files_upload returns SlackResponse as we run it in sync mode.
             if files:
                 for file in files:

superset/utils/slack.py

@@ -0,0 +1,53 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+
+from flask import current_app
+from slack_sdk import WebClient
+
+
+class SlackClientError(Exception):
+    pass
+
+
+def get_slack_client() -> WebClient:
+    token: str = current_app.config["SLACK_API_TOKEN"]
+    if callable(token):
+        token = token()
+    return WebClient(token=token, proxy=current_app.config["SLACK_PROXY"])
+
+
+def get_user_avatar(email: str, client: WebClient = None) -> str:
+    client = client or get_slack_client()
+    try:
+        response = client.users_lookupByEmail(email=email)
+    except Exception as ex:
+        raise SlackClientError(f"Failed to lookup user by email: {email}") from ex
+
+    user = response.data.get("user")
+    if user is None:
+        raise SlackClientError("No user found with that email.")
+
+    profile = user.get("profile")
+    if profile is None:
+        raise SlackClientError("User found but no profile available.")
+
+    avatar_url = profile.get("image_192")
+    if avatar_url is None:
+        raise SlackClientError("Profile image is not available.")
+
+    return avatar_url