From 3a6c2aa83563515b2ce02cda289b0271d992e84e Mon Sep 17 00:00:00 2001
From: かっこかり <67428053+kakkokari-gtyih@users.noreply.github.com>
Date: Thu, 21 Nov 2024 12:10:02 +0900
Subject: 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           | 12 ++++++------
 packages/backend/src/core/RemoteUserResolveService.ts     |  2 +-
 .../src/core/activitypub/models/ApPersonService.ts        | 15 +++++++++------
 3 files changed, 16 insertions(+), 13 deletions(-)

(limited to 'packages/backend/src')

diff --git a/packages/backend/src/core/HttpRequestService.ts b/packages/backend/src/core/HttpRequestService.ts
index 0ad5667049..083153940a 100644
--- a/packages/backend/src/core/HttpRequestService.ts
+++ b/packages/backend/src/core/HttpRequestService.ts
@@ -54,19 +54,19 @@ class HttpRequestServiceAgent extends http.Agent {
 				}
 			});
 		return socket;
-	};
+	}
 
 	@bindThis
 	private isPrivateIp(ip: string): boolean {
 		const parsedIp = ipaddr.parse(ip);
-	
+
 		for (const net of this.config.allowedPrivateNetworks ?? []) {
 			const cidr = ipaddr.parseCIDR(net);
 			if (cidr[0].kind() === parsedIp.kind() && parsedIp.match(ipaddr.parseCIDR(net))) {
 				return false;
 			}
 		}
-	
+
 		return parsedIp.range() !== 'unicast';
 	}
 }
@@ -93,19 +93,19 @@ class HttpsRequestServiceAgent extends https.Agent {
 				}
 			});
 		return socket;
-	};
+	}
 
 	@bindThis
 	private isPrivateIp(ip: string): boolean {
 		const parsedIp = ipaddr.parse(ip);
-	
+
 		for (const net of this.config.allowedPrivateNetworks ?? []) {
 			const cidr = ipaddr.parseCIDR(net);
 			if (cidr[0].kind() === parsedIp.kind() && parsedIp.match(ipaddr.parseCIDR(net))) {
 				return false;
 			}
 		}
-	
+
 		return parsedIp.range() !== 'unicast';
 	}
 }
diff --git a/packages/backend/src/core/RemoteUserResolveService.ts b/packages/backend/src/core/RemoteUserResolveService.ts
index 678da0cfa6..098b5e1706 100644
--- a/packages/backend/src/core/RemoteUserResolveService.ts
+++ b/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}`);
diff --git a/packages/backend/src/core/activitypub/models/ApPersonService.ts b/packages/backend/src/core/activitypub/models/ApPersonService.ts
index 026ddb6ece..8590861ca0 100644
--- a/packages/backend/src/core/activitypub/models/ApPersonService.ts
+++ b/packages/backend/src/core/activitypub/models/ApPersonService.ts
@@ -163,13 +163,16 @@ export class ApPersonService implements OnModuleInit {
 		}
 
 		for (const collection of ['outbox', 'followers', 'following'] as (keyof IActor)[]) {
-			const collectionUri = getApId((x as IActor)[collection]);
-			if (typeof collectionUri === 'string' && collectionUri.length > 0) {
-				if (this.utilityService.punyHost(collectionUri) !== expectHost) {
-					throw new Error(`invalid Actor: ${collection} has different host`);
+			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`);
+					}
+				} else if (collectionUri != null) {
+					throw new Error(`invalid Actor: wrong ${collection}`);
 				}
-			} else if (collectionUri != null) {
-				throw new Error(`invalid Actor: wrong ${collection}`);
 			}
 		}
 
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