Port image routes

src/routes/api/image/+server.ts

@@ -0,0 +1,37 @@
+import { UPLOAD_DIR } from '$env/static/private'
+import { promises as fs } from "fs"
+import { join } from 'path'
+import { randomBytes } from 'crypto';
+import { httpResponse } from '$lib/server/http';
+
+export async function POST({ request }) {
+    try {
+        const formData = await request.formData();
+        const file = formData.get('image');
+        
+        return await writeImage(file as File)
+
+    } catch (error) {
+        return httpResponse({ error: `Failed to upload image, ${error}` }, 500);
+    }
+}
+
+async function writeImage(file: File) {
+    if (!file || !(file instanceof File)) {
+            return httpResponse({ error: 'No image provided' }, 400);
+        }
+        
+        if (!file.type.match(/^image\/(jpeg|jpg|png)$/)) {
+            return httpResponse({ error: 'Only JPG and PNG allowed' }, 400);
+        }
+        
+        const ext = file.name.split('.').pop();
+        const filename = `${randomBytes(16).toString('hex')}.${ext}`;
+        const filepath = join(UPLOAD_DIR, filename);
+        
+        // Save file
+        const buffer = Buffer.from(await file.arrayBuffer());
+        await fs.writeFile(filepath, buffer);
+
+        return httpResponse({ url: `/api/image/${filename}`}, 201);
+}

src/routes/api/image/[id]/+server.ts

@@ -0,0 +1,35 @@
+import { UPLOAD_DIR } from '$env/static/private'
+import { promises as fs } from "fs"
+import { join } from 'path'
+import { httpResponse } from '$lib/server/http';
+
+export async function GET({ params }) {
+    try {
+        const { id } = params
+        return readImage(id!)
+    } catch (error) {
+        return httpResponse({ error: `Failed to retrieve image: ${error}` }, 500);
+    }
+}
+
+async function readImage(id: string) {
+    
+    const filepath = join(UPLOAD_DIR, id);
+    
+    try {
+        await fs.access(filepath);
+    } catch {
+        return httpResponse({ error: 'Image not found' }, 404);
+    }
+    
+    const image = await fs.readFile(filepath);
+    const ext = id.split('.').pop()?.toLowerCase();
+    const contentType = ext === 'png' ? 'image/png' : 'image/jpeg';
+    
+    return new Response(image, {
+        status: 200,
+        headers: {
+            'Content-Type': contentType,
+        }
+    });
+}