feat: /get/:name endpoint

src/errors.ts

@@ -27,9 +27,20 @@ export const InvalidAuthorization = () =>
         message: 'Provided authorization credentials are invalid',
     }) as FastifyError;
 
-export const QuotaExceeded = () => ({
-    code: '422',
-    statusCode: 422,
-    name: 'QuotaExceeded',
-    message: 'Your quota has exceeded. Please delete some files to proceed.',
-});
+export const QuotaExceeded = () =>
+    ({
+        code: '422',
+        statusCode: 422,
+        name: 'QuotaExceeded',
+        message:
+            'Your quota has exceeded. Please delete some files to proceed.',
+    }) as FastifyError;
+
+export const NotFoundError = () =>
+    ({
+        code: '404',
+        statusCode: 404,
+        name: 'NotFound',
+        message:
+            'The requested resource has never existed, deleted or has a different name or path.',
+    }) as FastifyError;

src/routes/get.ts

@@ -0,0 +1,30 @@
+import { FastifyPluginAsync } from 'fastify';
+import fsp from 'node:fs/promises';
+
+import { Config, config } from '../config.js';
+import { InvalidAuthorization, NotFoundError } from '../errors.js';
+import { getFilesFor, getPathFor } from '../store.js';
+
+export default (async function (fastify) {
+    fastify.get('/get/:name', async (req, rep) => {
+        const key = req.headers.authorization?.replace('Bearer ', '') ?? 'none';
+
+        const client = Config.getClientByKey(config, key);
+        if (!client) {
+            throw InvalidAuthorization();
+        }
+
+        const files = (await getFilesFor(client.name)).map((x) =>
+            x.replace(client.name + '-', ''),
+        );
+
+        const params = req.params as { name: string };
+
+        if (!files.find((x) => x === params.name)) {
+            throw NotFoundError();
+        }
+
+        rep.type('application/octet-stream');
+        return await fsp.readFile(getPathFor(params.name, client.name));
+    });
+} as FastifyPluginAsync);

src/routes/index.ts

@@ -1,8 +1,10 @@
 import { FastifyPluginAsync } from 'fastify';
 import upload from './upload.js';
 import list from './list.js';
+import get from './get.js';
 
 export default (async function (fastify) {
     await fastify.register(upload);
     await fastify.register(list);
+    await fastify.register(get);
 } as FastifyPluginAsync);

src/routes/list.ts

@@ -1,10 +1,10 @@
-import { FastifyPluginAsync } from 'fastify';
+import { type FastifyPluginAsync } from 'fastify';
 import fsp from 'node:fs/promises';
 import path from 'node:path';
+import { Stats } from 'node:fs';
 
 import { Config, config } from '../config.js';
 import { InvalidAuthorization } from '../errors.js';
-import { Stats } from 'node:fs';
 
 type ListFilesResponse = {
     name: string;