initial commit

lib/storage/uploads.ts

@@ -0,0 +1,74 @@
+import { DeleteObjectCommand, GetObjectCommand, PutObjectCommand } from "@aws-sdk/client-s3"
+import { getSignedUrl } from "@aws-sdk/s3-request-presigner"
+import { nanoid } from "nanoid"
+
+import { getS3Client, getUploadBucket } from "@/lib/storage/s3"
+
+function safeFilename(filename: string) {
+  const normalized = filename
+    .normalize("NFKD")
+    .replace(/[\u0300-\u036f]/g, "")
+    .replace(/[^a-zA-Z0-9._-]/g, "-")
+    .replace(/-+/g, "-")
+    .replace(/^-|-$/g, "")
+
+  return normalized || "upload"
+}
+
+export function createInvitationUploadKey(invitationId: string, filename: string) {
+  return `invitations/${invitationId}/${nanoid(12)}-${safeFilename(filename)}`
+}
+
+export function isObjectKeyForInvitation(objectKey: string, invitationId: string) {
+  return objectKey.startsWith(`invitations/${invitationId}/`)
+}
+
+export async function createPresignedUploadUrl({
+  objectKey,
+  contentType,
+  sizeBytes,
+}: {
+  objectKey: string
+  contentType: string
+  sizeBytes: number
+}) {
+  const client = getS3Client()
+  const bucket = getUploadBucket()
+
+  return getSignedUrl(
+    client,
+    new PutObjectCommand({
+      Bucket: bucket,
+      Key: objectKey,
+      ContentType: contentType,
+      ContentLength: sizeBytes,
+    }),
+    { expiresIn: 60 * 5 },
+  )
+}
+
+export async function createPresignedDownloadUrl(objectKey: string) {
+  const client = getS3Client()
+  const bucket = getUploadBucket()
+
+  return getSignedUrl(
+    client,
+    new GetObjectCommand({
+      Bucket: bucket,
+      Key: objectKey,
+    }),
+    { expiresIn: 60 * 10 },
+  )
+}
+
+export async function deleteUploadObject(objectKey: string) {
+  const client = getS3Client()
+  const bucket = getUploadBucket()
+
+  await client.send(
+    new DeleteObjectCommand({
+      Bucket: bucket,
+      Key: objectKey,
+    }),
+  )
+}