feat: Re-stream static files from S3, introduce protected static files

server/api/hooks/file-manager/S3FileManager.js

@@ -4,6 +4,7 @@
  */
 
 const fs = require('fs');
+const mime = require('mime-types');
 const {
   CopyObjectCommand,
   DeleteObjectsCommand,
@@ -46,13 +47,28 @@ class S3FileManager {
     await upload.done();
   }
 
-  async read(filePathSegment) {
+  async read(filePathSegment, { withHeaders = false } = {}) {
     const command = new GetObjectCommand({
       Bucket: sails.config.custom.s3Bucket,
       Key: filePathSegment,
     });
 
     const result = await this.client.send(command);
+
+    if (withHeaders) {
+      return [
+        result.Body,
+        {
+          'Content-Type':
+            result.ContentType || mime.lookup(filePathSegment) || 'application/octet-stream',
+          'Content-Length': result.ContentLength,
+          'Last-Modified': result.LastModified && result.LastModified.toUTCString(),
+          ETag: result.ETag,
+          'Accept-Ranges': result.AcceptRanges || 'bytes',
+        },
+      ];
+    }
+
     return result.Body;
   }
 
@@ -196,10 +212,10 @@ class S3FileManager {
     return !!result.Contents && result.Contents.length === 1;
   }
 
-  // eslint-disable-next-line class-methods-use-this
+  /* // eslint-disable-next-line class-methods-use-this
   buildUrl(filePathSegment) {
     return `${sails.hooks.s3.getBaseUrl()}/${filePathSegment}`;
-  }
+  } */
 }
 
 module.exports = S3FileManager;