michael-s-molina commented on a change in pull request #19078:
URL: https://github.com/apache/superset/pull/19078#discussion_r824031959



##########
File path: superset/dashboards/permalink/api.py
##########
@@ -0,0 +1,174 @@
+# 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.
+import logging
+
+from flask import current_app, g, request, Response
+from flask_appbuilder.api import BaseApi, expose, protect, safe
+from marshmallow import ValidationError
+
+from superset.constants import MODEL_API_RW_METHOD_PERMISSION_MAP, RouteMethod
+from superset.dashboards.commands.exceptions import (
+    DashboardAccessDeniedError,
+    DashboardNotFoundError,
+)
+from superset.dashboards.permalink.commands.create import (
+    CreateDashboardPermalinkCommand,
+)
+from superset.dashboards.permalink.commands.get import 
GetDashboardPermalinkCommand
+from superset.dashboards.permalink.exceptions import 
DashboardPermalinkInvalidStateError
+from superset.dashboards.permalink.schemas import (
+    DashboardPermalinkPostSchema,
+    DashboardPermalinkPutSchema,
+)
+from superset.extensions import event_logger
+from superset.key_value.exceptions import KeyValueAccessDeniedError
+from superset.views.base_api import requires_json
+
+logger = logging.getLogger(__name__)
+
+
+class DashboardPermalinkRestApi(BaseApi):
+    add_model_schema = DashboardPermalinkPostSchema()
+    edit_model_schema = DashboardPermalinkPutSchema()
+    method_permission_name = MODEL_API_RW_METHOD_PERMISSION_MAP
+    include_route_methods = {
+        RouteMethod.POST,
+        RouteMethod.PUT,
+        RouteMethod.GET,
+        RouteMethod.DELETE,
+    }
+    allow_browser_login = True
+    class_permission_name = "DashboardPermalinkRestApi"
+    resource_name = "dashboard"
+    openapi_spec_tag = "Dashboard Permanent Link"
+    openapi_spec_component_schemas = (
+        DashboardPermalinkPostSchema,
+        DashboardPermalinkPutSchema,
+    )
+
+    @expose("/<pk>/permalink", methods=["POST"])
+    @protect()
+    @safe
+    @event_logger.log_this_with_context(
+        action=lambda self, *args, **kwargs: f"{self.__class__.__name__}.post",
+        log_to_statsd=False,
+    )
+    @requires_json
+    def post(self, pk: str) -> Response:
+        """Stores a new permanent link.
+        ---
+        post:
+          description: >-
+            Stores a new permanent link.
+          parameters:
+          - in: path
+            schema:
+              type: string
+            name: pk
+          requestBody:
+            required: true
+            content:
+              application/json:
+                schema:
+                  $ref: '#/components/schemas/DashboardPermalinkPostSchema'
+          responses:
+            201:
+              description: The permanent link was stored successfully.
+              content:
+                application/json:
+                  schema:
+                    type: object
+                    properties:
+                      key:
+                        type: string
+                        description: The key to retrieve the permanent link 
data.
+            400:
+              $ref: '#/components/responses/400'
+            401:
+              $ref: '#/components/responses/401'
+            422:
+              $ref: '#/components/responses/422'
+            500:
+              $ref: '#/components/responses/500'
+        """
+        key_type = current_app.config["PERMALINK_KEY_TYPE"]
+        try:
+            item = self.add_model_schema.load(request.json)
+            state = item["state"]
+            key = CreateDashboardPermalinkCommand(
+                actor=g.user, id_or_slug=pk, state=state, key_type=key_type,
+            ).run()
+            http_origin = request.headers.environ["HTTP_ORIGIN"]

Review comment:
       Do we need to worry about these two cases for [HTTP 
Origin](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Origin#description)?
   
   > The Origin header value may be null in a number of cases, including 
(non-exhaustively):
   > - Redirects across origins.
   > - iframes with a sandbox attribute that doesn't contain the value 
allow-same-origin.




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