1 files changed, 74 insertions, 0 deletions
diff --git a/packages/backend/src/server/api/endpoints/sw/register.ts b/packages/backend/src/server/api/endpoints/sw/register.ts
new file mode 100644
index 0000000000..6e14ba2669
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/sw/register.ts
@@ -0,0 +1,74 @@
+import $ from 'cafy';
+import define from '../../define';
+import { fetchMeta } from '@/misc/fetch-meta';
+import { genId } from '@/misc/gen-id';
+import { SwSubscriptions } from '@/models/index';
+
+export const meta = {
+	tags: ['account'],
+
+	requireCredential: true as const,
+
+	params: {
+		endpoint: {
+			validator: $.str
+		},
+
+		auth: {
+			validator: $.str
+		},
+
+		publickey: {
+			validator: $.str
+		}
+	},
+
+	res: {
+		type: 'object' as const,
+		optional: false as const, nullable: false as const,
+		properties: {
+			state: {
+				type: 'string' as const,
+				optional: false as const, nullable: false as const,
+				enum: ['already-subscribed', 'subscribed']
+			},
+			key: {
+				type: 'string' as const,
+				optional: false as const, nullable: false as const
+			}
+		}
+	}
+};
+
+export default define(meta, async (ps, user) => {
+	// if already subscribed
+	const exist = await SwSubscriptions.findOne({
+		userId: user.id,
+		endpoint: ps.endpoint,
+		auth: ps.auth,
+		publickey: ps.publickey,
+	});
+
+	const instance = await fetchMeta(true);
+
+	if (exist != null) {
+		return {
+			state: 'already-subscribed',
+			key: instance.swPublicKey
+		};
+	}
+
+	await SwSubscriptions.insert({
+		id: genId(),
+		createdAt: new Date(),
+		userId: user.id,
+		endpoint: ps.endpoint,
+		auth: ps.auth,
+		publickey: ps.publickey
+	});
+
+	return {
+		state: 'subscribed',
+		key: instance.swPublicKey
+	};
+});