feat: license violation protection (#13285)

* spec(frontend): aboutページにリポジトリ・フィードバックのURLを表示させる

Cherry-picked from MisskeyIO#441
Cherry-picked from MisskeyIO#438

* feat: license violation protection

* build: fix typo

* build: fix typo

* fix: farewell to the static type land

* fix: key typo

* fix: import typo

* fix: properly interpret `prominently`

* docs: add disclaimer

* docs: update CHANGELOG

* chore: add gap

---------

Co-authored-by: まっちゃとーにゅ <17376330+u1-liquid@users.noreply.github.com>
Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

5 files changed, 17 insertions, 8 deletions

diff --git a/packages/backend/src/config.ts b/packages/backend/src/config.ts
index 308da4481b..0ca1fa55c1 100644
--- a/packages/backend/src/config.ts
+++ b/packages/backend/src/config.ts
@@ -57,6 +57,8 @@ type Source = {
 		scope?: 'local' | 'global' | string[];
 	};
 
+	publishTarballInsteadOfProvideRepositoryUrl?: boolean;
+
 	proxy?: string;
 	proxySmtp?: string;
 	proxyBypassHosts?: string[];
@@ -145,6 +147,7 @@ export type Config = {
 	signToActivityPubGet: boolean | undefined;
 
 	version: string;
+	publishTarballInsteadOfProvideRepositoryUrl: boolean;
 	host: string;
 	hostname: string;
 	scheme: string;
@@ -209,6 +212,7 @@ export function loadConfig(): Config {
 
 	return {
 		version,
+		publishTarballInsteadOfProvideRepositoryUrl: !!config.publishTarballInsteadOfProvideRepositoryUrl,
 		url: url.origin,
 		port: config.port ?? parseInt(process.env.PORT ?? '', 10),
 		socket: config.socket,
diff --git a/packages/backend/src/models/Meta.ts b/packages/backend/src/models/Meta.ts
index 63503fbe06..6ed0ec6ce5 100644
--- a/packages/backend/src/models/Meta.ts
+++ b/packages/backend/src/models/Meta.ts
@@ -357,9 +357,9 @@ export class MiMeta {
 	@Column('varchar', {
 		length: 1024,
 		default: 'https://github.com/misskey-dev/misskey',
-		nullable: false,
+		nullable: true,
 	})
-	public repositoryUrl: string;
+	public repositoryUrl: string | null;
 
 	@Column('varchar', {
 		length: 1024,
diff --git a/packages/backend/src/server/api/endpoints/admin/meta.ts b/packages/backend/src/server/api/endpoints/admin/meta.ts
index ef569722e0..88c5907bcc 100644
--- a/packages/backend/src/server/api/endpoints/admin/meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/meta.ts
@@ -429,7 +429,7 @@ export const meta = {
 			},
 			repositoryUrl: {
 				type: 'string',
-				optional: false, nullable: false,
+				optional: false, nullable: true,
 			},
 			summalyProxy: {
 				type: 'string',
diff --git a/packages/backend/src/server/api/endpoints/admin/update-meta.ts b/packages/backend/src/server/api/endpoints/admin/update-meta.ts
index 51075ed3c6..bffceef815 100644
--- a/packages/backend/src/server/api/endpoints/admin/update-meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/update-meta.ts
@@ -104,8 +104,8 @@ export const paramDef = {
 		swPublicKey: { type: 'string', nullable: true },
 		swPrivateKey: { type: 'string', nullable: true },
 		tosUrl: { type: 'string', nullable: true },
-		repositoryUrl: { type: 'string' },
-		feedbackUrl: { type: 'string' },
+		repositoryUrl: { type: 'string', nullable: true },
+		feedbackUrl: { type: 'string', nullable: true },
 		impressumUrl: { type: 'string', nullable: true },
 		privacyPolicyUrl: { type: 'string', nullable: true },
 		useObjectStorage: { type: 'boolean' },
@@ -402,7 +402,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			if (ps.repositoryUrl !== undefined) {
-				set.repositoryUrl = ps.repositoryUrl;
+				set.repositoryUrl = URL.canParse(ps.repositoryUrl!) ? ps.repositoryUrl : null;
 			}
 
 			if (ps.feedbackUrl !== undefined) {
diff --git a/packages/backend/src/server/api/endpoints/meta.ts b/packages/backend/src/server/api/endpoints/meta.ts
index 6bcd7f6b1f..834158baf4 100644
--- a/packages/backend/src/server/api/endpoints/meta.ts
+++ b/packages/backend/src/server/api/endpoints/meta.ts
@@ -37,6 +37,10 @@ export const meta = {
 				type: 'string',
 				optional: false, nullable: false,
 			},
+			providesTarball: {
+				type: 'boolean',
+				optional: false, nullable: false,
+			},
 			name: {
 				type: 'string',
 				optional: false, nullable: false,
@@ -69,12 +73,12 @@ export const meta = {
 			},
 			repositoryUrl: {
 				type: 'string',
-				optional: false, nullable: false,
+				optional: false, nullable: true,
 				default: 'https://github.com/misskey-dev/misskey',
 			},
 			feedbackUrl: {
 				type: 'string',
-				optional: false, nullable: false,
+				optional: false, nullable: true,
 				default: 'https://github.com/misskey-dev/misskey/issues/new',
 			},
 			defaultDarkTheme: {
@@ -352,6 +356,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				maintainerEmail: instance.maintainerEmail,
 
 				version: this.config.version,
+				providesTarball: this.config.publishTarballInsteadOfProvideRepositoryUrl,
 
 				name: instance.name,
 				shortName: instance.shortName,