Upgrade Swagger data to OpenAPI 3.1

changelogs/internal/newsfragments/1310.feature

@@ -0,0 +1 @@
+Upgrade Swagger data to OpenAPI 3.1.

data/api/application-service/ping.yaml

@@ -11,21 +11,12 @@
 # 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.
-swagger: '2.0'
+openapi: 3.1.0
 info:
-  title: "Matrix Application Service API"
-  version: "1.0.0"
-host: localhost:8008
-schemes:
-  - https
-  - http
-basePath: /_matrix/app/v1
-produces:
-  - application/json
-securityDefinitions:
-  $ref: definitions/security.yaml
+  title: Matrix Application Service API
+  version: 1.0.0
 paths:
-  "/ping":
+  /ping:
     post:
       x-addedInMatrixVersion: "1.7"
       summary: Ping the application service
@@ -39,25 +30,43 @@ paths:
       operationId: ping
       security:
         - homeserverAccessToken: []
-      parameters:
-        - in: body
-          name: body
-          description: Ping body with optional transaction ID.
-          schema:
-            type: object
-            example: {
-              "transaction_id": "mautrix-go_1683636478256400935_123"
-            }
-            properties:
-              transaction_id:
-                type: string
-                description: |-
-                  A transaction ID for the ping, copied directly from the
-                  `POST /_matrix/client/v1/appservice/{appserviceId}/ping` call.
+      requestBody:
+        content:
+          application/json:
+            schema:
+              type: object
+              example: {
+                "transaction_id": "mautrix-go_1683636478256400935_123"
+              }
+              properties:
+                transaction_id:
+                  type: string
+                  description: |-
+                    A transaction ID for the ping, copied directly from the
+                    `POST /_matrix/client/v1/appservice/{appserviceId}/ping` call.
+        description: Ping body with optional transaction ID.
       responses:
-        200:
+        "200":
           description: The provided `hs_token` is valid and the ping request was successful.
-          examples:
-            application/json: {}
-          schema:
-            type: object
+          content:
+            application/json:
+              schema:
+                type: object
+              examples:
+                response:
+                  value: {}
+servers:
+  - url: "{protocol}://{hostname}{basePath}"
+    variables:
+      protocol:
+        enum:
+          - http
+          - https
+        default: https
+      hostname:
+        default: localhost:8008
+      basePath:
+        default: /_matrix/app/v1
+components:
+  securitySchemes:
+    $ref: definitions/security.yaml