ApPersonServiceとApNoteServiceのuri <-> url比較を緩和 (#15233)

* wip

* https://github.com/misskey-dev/misskey/issues/15039#issuecomment-2576411861 の反映

Co-authored-by: Kagami Sascha Rosylight <saschanaz@outlook.com>

* fix CHANGELOG.md

* remove inspection

---------

Co-authored-by: Kagami Sascha Rosylight <saschanaz@outlook.com>

3 files changed, 15 insertions, 21 deletions

diff --git a/packages/backend/src/core/activitypub/misc/check-against-url.ts b/packages/backend/src/core/activitypub/misc/check-against-url.ts
index 78ba891a2e..d679bd8180 100644
--- a/packages/backend/src/core/activitypub/misc/check-against-url.ts
+++ b/packages/backend/src/core/activitypub/misc/check-against-url.ts
@@ -5,13 +5,15 @@
 import type { IObject } from '../type.js';
 
 export function assertActivityMatchesUrls(activity: IObject, urls: string[]) {
-	const idOk = activity.id !== undefined && urls.includes(activity.id);
+	const hosts = urls.map(it => new URL(it).host);
+
+	const idOk = activity.id !== undefined && hosts.includes(new URL(activity.id).host);
 
 	// technically `activity.url` could be an `ApObject = IObject |
 	// string | (IObject | string)[]`, but if it's a complicated thing
 	// and the `activity.id` doesn't match, I think we're fine
 	// rejecting the activity
-	const urlOk = typeof(activity.url) === 'string' && urls.includes(activity.url);
+	const urlOk = typeof(activity.url) === 'string' && hosts.includes(new URL(activity.url).host);
 
 	if (!idOk && !urlOk) {
 		throw new Error(`bad Activity: neither id(${activity?.id}) nor url(${activity?.url}) match location(${urls})`);
diff --git a/packages/backend/src/core/activitypub/models/ApNoteService.ts b/packages/backend/src/core/activitypub/models/ApNoteService.ts
index eb2e771a38..cb25aa54b0 100644
--- a/packages/backend/src/core/activitypub/models/ApNoteService.ts
+++ b/packages/backend/src/core/activitypub/models/ApNoteService.ts
@@ -154,14 +154,8 @@ export class ApNoteService {
 
 		const url = getOneApHrefNullable(note.url);
 
-		if (url != null) {
-			if (!checkHttps(url)) {
-				throw new Error('unexpected schema of note url: ' + url);
-			}
-
-			if (this.utilityService.punyHost(url) !== this.utilityService.punyHost(note.id)) {
-				throw new Error(`note url & uri host mismatch: note url: ${url}, note uri: ${note.id}`);
-			}
+		if (url && !checkHttps(url)) {
+			throw new Error('unexpected schema of note url: ' + url);
 		}
 
 		this.logger.info(`Creating the Note: ${note.id}`);
diff --git a/packages/backend/src/core/activitypub/models/ApPersonService.ts b/packages/backend/src/core/activitypub/models/ApPersonService.ts
index 8590861ca0..6019906add 100644
--- a/packages/backend/src/core/activitypub/models/ApPersonService.ts
+++ b/packages/backend/src/core/activitypub/models/ApPersonService.ts
@@ -157,8 +157,12 @@ export class ApPersonService implements OnModuleInit {
 		const sharedInboxObject = x.sharedInbox ?? (x.endpoints ? x.endpoints.sharedInbox : undefined);
 		if (sharedInboxObject != null) {
 			const sharedInbox = getApId(sharedInboxObject);
-			if (!(typeof sharedInbox === 'string' && sharedInbox.length > 0 && this.utilityService.punyHost(sharedInbox) === expectHost)) {
-				throw new Error('invalid Actor: wrong shared inbox');
+			if (!(typeof sharedInbox === 'string' && sharedInbox.length > 0 && new URL(sharedInbox).host === expectHost)) {
+				this.logger.warn(`invalid Actor: skipping wrong shared inbox, expected host: ${expectHost}, actual URL: ${sharedInbox}`);
+				x.sharedInbox = undefined;
+				if (x.endpoints?.sharedInbox) {
+					x.endpoints.sharedInbox = undefined;
+				}
 			}
 		}
 
@@ -257,7 +261,7 @@ export class ApPersonService implements OnModuleInit {
 			if (Array.isArray(img)) {
 				img = img.find(item => item && item.url) ?? null;
 			}
-			
+
 			// if we have an explicitly missing image, return an
 			// explicitly-null set of values
 			if ((img == null) || (typeof img === 'object' && img.url == null)) {
@@ -344,14 +348,8 @@ export class ApPersonService implements OnModuleInit {
 			throw new Error('Refusing to create person without id');
 		}
 
-		if (url != null) {
-			if (!checkHttps(url)) {
-				throw new Error('unexpected schema of person url: ' + url);
-			}
-
-			if (this.utilityService.punyHost(url) !== this.utilityService.punyHost(person.id)) {
-				throw new Error(`person url <> uri host mismatch: ${url} <> ${person.id}`);
-			}
+		if (url && !checkHttps(url)) {
+			throw new Error('unexpected schema of person url: ' + url);
 		}
 
 		// Create user