test(backend): restore ap-request tests (#9997)

Co-authored-by: tamaina <tamaina@hotmail.co.jp>

3 files changed, 42 insertions, 44 deletions

diff --git a/packages/backend/src/core/activitypub/ApRequestService.ts b/packages/backend/src/core/activitypub/ApRequestService.ts
index bfd53dfabf..71fbc29476 100644
--- a/packages/backend/src/core/activitypub/ApRequestService.ts
+++ b/packages/backend/src/core/activitypub/ApRequestService.ts
@@ -28,31 +28,15 @@ type PrivateKey = {
 	keyId: string;
 };
 
-@Injectable()
-export class ApRequestService {
-	private logger: Logger;
-
-	constructor(
-		@Inject(DI.config)
-		private config: Config,
-
-		private userKeypairStoreService: UserKeypairStoreService,
-		private httpRequestService: HttpRequestService,
-		private loggerService: LoggerService,
-	) {
-		// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
-		this.logger = this.loggerService?.getLogger('ap-request'); // なぜか TypeError: Cannot read properties of undefined (reading 'getLogger') と言われる
-	}
-
-	@bindThis
-	private createSignedPost(args: { key: PrivateKey, url: string, body: string, additionalHeaders: Record<string, string> }): Signed {
+export class ApRequestCreator {
+	static createSignedPost(args: { key: PrivateKey, url: string, body: string, additionalHeaders: Record<string, string> }): Signed {
 		const u = new URL(args.url);
 		const digestHeader = `SHA-256=${crypto.createHash('sha256').update(args.body).digest('base64')}`;
 
 		const request: Request = {
 			url: u.href,
 			method: 'POST',
-			headers: this.objectAssignWithLcKey({
+			headers: this.#objectAssignWithLcKey({
 				'Date': new Date().toUTCString(),
 				'Host': u.host,
 				'Content-Type': 'application/activity+json',
@@ -60,7 +44,7 @@ export class ApRequestService {
 			}, args.additionalHeaders),
 		};
 
-		const result = this.signToRequest(request, args.key, ['(request-target)', 'date', 'host', 'digest']);
+		const result = this.#signToRequest(request, args.key, ['(request-target)', 'date', 'host', 'digest']);
 
 		return {
 			request,
@@ -70,21 +54,20 @@ export class ApRequestService {
 		};
 	}
 
-	@bindThis
-	private createSignedGet(args: { key: PrivateKey, url: string, additionalHeaders: Record<string, string> }): Signed {
+	static createSignedGet(args: { key: PrivateKey, url: string, additionalHeaders: Record<string, string> }): Signed {
 		const u = new URL(args.url);
 
 		const request: Request = {
 			url: u.href,
 			method: 'GET',
-			headers: this.objectAssignWithLcKey({
+			headers: this.#objectAssignWithLcKey({
 				'Accept': 'application/activity+json, application/ld+json',
 				'Date': new Date().toUTCString(),
 				'Host': new URL(args.url).host,
 			}, args.additionalHeaders),
 		};
 
-		const result = this.signToRequest(request, args.key, ['(request-target)', 'date', 'host', 'accept']);
+		const result = this.#signToRequest(request, args.key, ['(request-target)', 'date', 'host', 'accept']);
 
 		return {
 			request,
@@ -94,13 +77,12 @@ export class ApRequestService {
 		};
 	}
 
-	@bindThis
-	private signToRequest(request: Request, key: PrivateKey, includeHeaders: string[]): Signed {
-		const signingString = this.genSigningString(request, includeHeaders);
+	static #signToRequest(request: Request, key: PrivateKey, includeHeaders: string[]): Signed {
+		const signingString = this.#genSigningString(request, includeHeaders);
 		const signature = crypto.sign('sha256', Buffer.from(signingString), key.privateKeyPem).toString('base64');
 		const signatureHeader = `keyId="${key.keyId}",algorithm="rsa-sha256",headers="${includeHeaders.join(' ')}",signature="${signature}"`;
 
-		request.headers = this.objectAssignWithLcKey(request.headers, {
+		request.headers = this.#objectAssignWithLcKey(request.headers, {
 			Signature: signatureHeader,
 		});
 		// node-fetch will generate this for us. if we keep 'Host', it won't change with redirects!
@@ -114,9 +96,8 @@ export class ApRequestService {
 		};
 	}
 
-	@bindThis
-	private genSigningString(request: Request, includeHeaders: string[]): string {
-		request.headers = this.lcObjectKey(request.headers);
+	static #genSigningString(request: Request, includeHeaders: string[]): string {
+		request.headers = this.#lcObjectKey(request.headers);
 
 		const results: string[] = [];
 
@@ -131,16 +112,31 @@ export class ApRequestService {
 		return results.join('\n');
 	}
 
-	@bindThis
-	private lcObjectKey(src: Record<string, string>): Record<string, string> {
+	static #lcObjectKey(src: Record<string, string>): Record<string, string> {
 		const dst: Record<string, string> = {};
 		for (const key of Object.keys(src).filter(x => x !== '__proto__' && typeof src[x] === 'string')) dst[key.toLowerCase()] = src[key];
 		return dst;
 	}
 
-	@bindThis
-	private objectAssignWithLcKey(a: Record<string, string>, b: Record<string, string>): Record<string, string> {
-		return Object.assign(this.lcObjectKey(a), this.lcObjectKey(b));
+	static #objectAssignWithLcKey(a: Record<string, string>, b: Record<string, string>): Record<string, string> {
+		return Object.assign(this.#lcObjectKey(a), this.#lcObjectKey(b));
+	}
+}
+
+@Injectable()
+export class ApRequestService {
+	private logger: Logger;
+
+	constructor(
+		@Inject(DI.config)
+		private config: Config,
+
+		private userKeypairStoreService: UserKeypairStoreService,
+		private httpRequestService: HttpRequestService,
+		private loggerService: LoggerService,
+	) {
+		// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
+		this.logger = this.loggerService?.getLogger('ap-request'); // なぜか TypeError: Cannot read properties of undefined (reading 'getLogger') と言われる
 	}
 
 	@bindThis
@@ -149,7 +145,7 @@ export class ApRequestService {
 
 		const keypair = await this.userKeypairStoreService.getUserKeypair(user.id);
 
-		const req = this.createSignedPost({
+		const req = ApRequestCreator.createSignedPost({
 			key: {
 				privateKeyPem: keypair.privateKey,
 				keyId: `${this.config.url}/users/${user.id}#main-key`,
@@ -176,7 +172,7 @@ export class ApRequestService {
 	public async signedGet(url: string, user: { id: User['id'] }) {
 		const keypair = await this.userKeypairStoreService.getUserKeypair(user.id);
 
-		const req = this.createSignedGet({
+		const req = ApRequestCreator.createSignedGet({
 			key: {
 				privateKeyPem: keypair.privateKey,
 				keyId: `${this.config.url}/users/${user.id}#main-key`,
diff --git a/packages/backend/test/tsconfig.json b/packages/backend/test/tsconfig.json
index 5d91d0923a..da82ddc4a1 100644
--- a/packages/backend/test/tsconfig.json
+++ b/packages/backend/test/tsconfig.json
@@ -37,6 +37,7 @@
 	},
 	"compileOnSave": false,
 	"include": [
-		"./**/*.ts"
+		"./**/*.ts",
+		"../src/@types/**/*.ts",
 	]
 }
diff --git a/packages/backend/test/tests/ap-request.ts b/packages/backend/test/unit/ap-request.ts
index 8c586861ad..98f352e1c6 100644
--- a/packages/backend/test/tests/ap-request.ts
+++ b/packages/backend/test/unit/ap-request.ts
@@ -1,7 +1,8 @@
 import * as assert from 'assert';
 import httpSignature from '@peertube/http-signature';
-import { genRsaKeyPair } from '../../src/misc/gen-key-pair.js';
-import { createSignedPost, createSignedGet } from '../../src/activitypub/ap-request.js';
+
+import { genRsaKeyPair } from '@/misc/gen-key-pair.js';
+import { ApRequestCreator } from '@/core/activitypub/ApRequestService.js';
 
 export const buildParsedSignature = (signingString: string, signature: string, algorithm: string) => {
 	return {
@@ -9,7 +10,7 @@ export const buildParsedSignature = (signingString: string, signature: string, a
 		params: {
 			keyId: 'KeyID',	// dummy, not used for verify
 			algorithm: algorithm,
-			headers: [ '(request-target)', 'date', 'host', 'digest' ],	// dummy, not used for verify
+			headers: ['(request-target)', 'date', 'host', 'digest'],	// dummy, not used for verify
 			signature: signature,
 		},
 		signingString: signingString,
@@ -29,7 +30,7 @@ describe('ap-request', () => {
 			'User-Agent': 'UA',
 		};
 
-		const req = createSignedPost({ key, url, body, additionalHeaders: headers });
+		const req = ApRequestCreator.createSignedPost({ key, url, body, additionalHeaders: headers });
 
 		const parsed = buildParsedSignature(req.signingString, req.signature, 'rsa-sha256');
 
@@ -45,7 +46,7 @@ describe('ap-request', () => {
 			'User-Agent': 'UA',
 		};
 
-		const req = createSignedGet({ key, url, additionalHeaders: headers });
+		const req = ApRequestCreator.createSignedGet({ key, url, additionalHeaders: headers });
 
 		const parsed = buildParsedSignature(req.signingString, req.signature, 'rsa-sha256');