fix(backend): fix type error(s) in security fixes (#15009)

* Fix type error in security fixes

(cherry picked from commit fa3cf6c2996741e642955c5e2fca8ad785e83205)

* Fix error in test function calls

(cherry picked from commit 1758f29364eca3cbd13dbb5c84909c93712b3b3b)

* Fix style error

(cherry picked from commit 23c4aa25714af145098baa7edd74c1d217e51c1a)

* Fix another style error

(cherry picked from commit 36af07abe28bec670aaebf9f5af5694bb582c29a)

* Fix `.punyHost` misuse

(cherry picked from commit 6027b516e1c82324d55d6e54d0e17cbd816feb42)

* attempt to fix test: make yaml valid

---------

Co-authored-by: Julia Johannesen <julia@insertdomain.name>

packages/backend/src/core/HttpRequestService.ts

@@ -54,7 +54,7 @@ class HttpRequestServiceAgent extends http.Agent {
 				}
 			});
 		return socket;
-	};
+	}
 
 	@bindThis
 	private isPrivateIp(ip: string): boolean {
@@ -93,7 +93,7 @@ class HttpsRequestServiceAgent extends https.Agent {
 				}
 			});
 		return socket;
-	};
+	}
 
 	@bindThis
 	private isPrivateIp(ip: string): boolean {

packages/backend/src/core/RemoteUserResolveService.ts

@@ -54,7 +54,7 @@ export class RemoteUserResolveService {
 			}) as MiLocalUser;
 		}
 
-		host = this.utilityService.punyHost(host);
+		host = this.utilityService.toPuny(host);
 
 		if (host === this.utilityService.toPuny(this.config.host)) {
 			this.logger.info(`return local user: ${usernameLower}`);

packages/backend/src/core/activitypub/models/ApPersonService.ts

@@ -163,7 +163,9 @@ export class ApPersonService implements OnModuleInit {
 		}
 
 		for (const collection of ['outbox', 'followers', 'following'] as (keyof IActor)[]) {
-			const collectionUri = getApId((x as IActor)[collection]);
+			const xCollection = (x as IActor)[collection];
+			if (xCollection != null) {
+				const collectionUri = getApId(xCollection);
 				if (typeof collectionUri === 'string' && collectionUri.length > 0) {
 					if (this.utilityService.punyHost(collectionUri) !== expectHost) {
 						throw new Error(`invalid Actor: ${collection} has different host`);
@@ -172,6 +174,7 @@ export class ApPersonService implements OnModuleInit {
 					throw new Error(`invalid Actor: wrong ${collection}`);
 				}
 			}
+		}
 
 		if (!(typeof x.preferredUsername === 'string' && x.preferredUsername.length > 0 && x.preferredUsername.length <= 128 && /^\w([\w-.]*\w)?$/.test(x.preferredUsername))) {
 			throw new Error('invalid Actor: wrong username');

packages/backend/test-federation/.config/example.default.yml

@@ -19,7 +19,6 @@ proxyBypassHosts:
   - challenges.cloudflare.com
 proxyRemoteFiles: true
 signToActivityPubGet: true
-allowedPrivateNetworks: [
-  '127.0.0.1/32',
-  '172.20.0.0/16'
-]
+allowedPrivateNetworks:
+  - 127.0.0.1/32
+  - 172.20.0.0/16

packages/backend/test/unit/activitypub.ts

@@ -176,7 +176,7 @@ describe('ActivityPub', () => {
 			resolver.register(actor.id, actor);
 			resolver.register(post.id, post);
 
-			const note = await noteService.createNote(post.id, resolver, true);
+			const note = await noteService.createNote(post.id, undefined, resolver, true);
 
 			assert.deepStrictEqual(note?.uri, post.id);
 			assert.deepStrictEqual(note.visibility, 'public');
@@ -336,7 +336,7 @@ describe('ActivityPub', () => {
 			resolver.register(actor.featured, featured);
 			resolver.register(firstNote.id, firstNote);
 
-			const note = await noteService.createNote(firstNote.id as string, resolver);
+			const note = await noteService.createNote(firstNote.id as string, undefined, resolver);
 			assert.strictEqual(note?.uri, firstNote.id);
 		});
 	});