chore: move backend to hono + typescript (#558)

* feat: setup secure presigned uploads and downloads * clean up * update lock * Get presigned url finally working * 557: Migrate backend to hono + ts * chore: update Dockerfile and package.json for backend configuration * add dev command * remove unused packages * Enhance backend API and frontend components for course management - Updated CORS configuration in the backend to allow specific methods and headers. - Refactored lesson download endpoint to use a new route for PDF downloads. - Removed unused certificate download functionality from the lesson router. - Updated frontend components to reflect changes in API endpoints and improve video upload functionality. - Introduced new video upload component and adjusted video handling in lesson materials. - Cleaned up unnecessary imports and optimized component structure for better performance. * PR cleanups * Enhance email configuration by adding SMTP_SENDER environment variable - Updated docker-compose.yaml to include SMTP_SENDER. - Modified Dockerfile to accept SMTP_SENDER as an argument. - Updated environment schema in env.ts to define SMTP_SENDER as optional. - Adjusted mail service to use SMTP_SENDER for the email 'from' field. - Updated documentation to reflect the new SMTP_SENDER variable. * Remove debug log statement from sendEmail function --------- Co-authored-by: Iniubong Obonguko <iniubongobonguko2018@gmail.com>
2025-06-09 01:38:57 +01:00
parent 9eb7b01587
commit 82be557a42
80 changed files with 3291 additions and 2302 deletions
@@ -0,0 +1,103 @@
+import { GetObjectCommand, PutObjectCommand } from '@aws-sdk/client-s3';
+import { ZCourseDownloadPresignedUrl, ZCoursePresignUrlUpload } from '$src/types/course';
+
+import { CLOUDFLARE } from '$src/constants';
+import type { GetSignedUrlParameters } from '$src/utils/s3';
+import { Hono } from 'hono';
+import { authMiddleware } from '$src/middlewares/auth';
+import { generateFileKey } from '$src/utils/upload';
+import { getSignedUrl } from '@aws-sdk/s3-request-presigner';
+import { s3Client } from '$src/utils/s3';
+
+export const presignRouter = new Hono();
+
+presignRouter.post('/upload', authMiddleware, async (c) => {
+  const body = await c.req.json();
+  const result = ZCoursePresignUrlUpload.parse(body);
+
+  const { fileName, fileType } = result;
+  const fileKey = generateFileKey(fileName);
+
+  try {
+    const command = new PutObjectCommand({
+      Bucket: CLOUDFLARE.R2.BUCKET,
+      Key: fileKey,
+      ContentType: fileType
+    }) as GetSignedUrlParameters[1];
+
+    const presignedUrl = await getSignedUrl(s3Client as GetSignedUrlParameters[0], command, {
+      expiresIn: CLOUDFLARE.R2.PRESIGN_EXPIRATION_TIME
+    });
+
+    return c.json({
+      success: true,
+      url: presignedUrl,
+      fileKey,
+      message: 'Pre-signed URL generated successfully'
+    });
+  } catch (error) {
+    console.error('Error generating pre-signed URL:', error);
+
+    if (error instanceof Error && error.name === 'SignatureDoesNotMatch') {
+      return c.json(
+        {
+          success: false,
+          type: 'SIGNATURE_ERROR',
+          message: 'Invalid signature for the request'
+        },
+        403
+      );
+    }
+
+    return c.json(
+      {
+        success: false,
+        type: 'INTERNAL_ERROR',
+        message: 'Error generating pre-signed URL'
+      },
+      500
+    );
+  }
+});
+
+presignRouter.post('/download', authMiddleware, async (c) => {
+  const body = await c.req.json();
+  const result = ZCourseDownloadPresignedUrl.parse(body);
+
+  const { keys } = result;
+
+  try {
+    const signedUrls: Record<string, string> = {};
+
+    await Promise.all(
+      keys.map(async (key) => {
+        const command = new GetObjectCommand({
+          Bucket: CLOUDFLARE.R2.BUCKET,
+          Key: key
+        }) as GetSignedUrlParameters[1];
+
+        const presignedUrl = await getSignedUrl(s3Client as GetSignedUrlParameters[0], command, {
+          expiresIn: CLOUDFLARE.R2.DOWNLOAD_EXPIRATION_TIME
+        });
+
+        signedUrls[key] = presignedUrl;
+      })
+    );
+
+    return c.json({
+      success: true,
+      urls: signedUrls,
+      message: 'Video URLs retrieved successfully'
+    });
+  } catch (error) {
+    console.error('Error Retrieving Video:', error);
+    return c.json(
+      {
+        success: false,
+        type: 'INTERNAL_ERROR',
+        message: 'Error Retrieving Video'
+      },
+      500
+    );
+  }
+});