Unzip and delete zip files after upload; validate upload file suffix

src/web/requirements.txt

@@ -12,3 +12,4 @@ zope.event==4.5.0
 zope.interface==5.1.2
 protobuf==3.17.3
 pydrop==0.0.6
+zipfile

src/web/templates/index.html

@@ -180,6 +180,7 @@
     <script type="application/javascript">
     Dropzone.options.dropper = {
         paramName: 'file',
+        acceptedFiles: '{{valid_file_suffix}}'
         chunking: true,
         forceChunking: true,
         url: '/files/upload',

src/web/web.py

@@ -526,6 +526,13 @@ def upload_file():
         log.debug(f"Chunk {current_chunk + 1} of {total_chunks} "
                   f"for file {file.filename} completed.")
 
+    if file.filename.endswith("zip"):
+        from zipfile import ZipFile
+        with ZipFile(file_path, 'r') as zip:
+            zip.extractall()
+        delete_file(file_path)
+        return make_response(("File upload and unzip successful!", 200))
+    else:
         return make_response(("File upload successful!", 200))