feat(appservice): room provisioning (M4c) (#535)

packages/appservice/src/bridge.dto.ts

@@ -50,3 +50,34 @@ export function validateBridgeTyping(input: unknown): asserts input is BridgeTyp
   assertAgentSlug(o.agent);
   if (typeof o.typing !== 'boolean') throw new Error('typing must be a boolean');
 }
+
+export interface ProvisionRoomDto {
+  name: string;
+  alias?: string;
+  topic?: string;
+  invite?: string[];
+  space_id?: string;
+}
+
+export function validateProvisionRoom(input: unknown): asserts input is ProvisionRoomDto {
+  const o = input as Partial<ProvisionRoomDto> | null | undefined;
+  if (!o || typeof o !== 'object') throw new Error('payload must be an object');
+  if (typeof o.name !== 'string' || o.name.length === 0) throw new Error('name is required');
+  if (o.alias !== undefined && (!/^[a-z0-9_.-]+$/.test(o.alias) || o.alias.length > 200)) {
+    throw new Error('alias must match [a-z0-9_.-]+ (max 200 chars)');
+  }
+  if (o.invite !== undefined) {
+    if (
+      !Array.isArray(o.invite) ||
+      o.invite.some((u) => typeof u !== 'string' || !u.startsWith('@'))
+    ) {
+      throw new Error('invite must be a list of Matrix user ids');
+    }
+    if (o.invite.length > 50) {
+      throw new Error('invite list exceeds maximum of 50');
+    }
+  }
+  if (o.space_id !== undefined && (typeof o.space_id !== 'string' || !o.space_id.startsWith('!'))) {
+    throw new Error('space_id must be a Matrix room id');
+  }
+}