MM-64531: [Shared Channels] Users on different remote servers should not communicate unless the remotes have established secure connection. (#30985) (#33434)

Automatic Merge

webapp/platform/client/src/client4.ts

@@ -402,6 +402,10 @@ export default class Client4 {
         return `${this.getBaseRoute()}/hooks/outgoing/${hookId}`;
     }
 
+    getSharedChannelsRoute() {
+        return `${this.getBaseRoute()}/sharedchannels`;
+    }
+
     getOAuthRoute() {
         return `${this.url}/oauth`;
     }
@@ -960,6 +964,13 @@ export default class Client4 {
         );
     };
 
+    canUserDirectMessage = (userId: string, otherUserId: string) => {
+        return this.doFetch<{can_dm: boolean}>(
+            `${this.getSharedChannelsRoute()}/users/${userId}/can_dm/${otherUserId}`,
+            {method: 'get'},
+        );
+    };
+
     getProfilePictureUrl = (userId: string, lastPictureUpdate: number) => {
         const params: any = {};