Merge branch '32-Image-Version-Fix' into 'development'

Resolve "Publish - upload to S3 stage $IMG_VERSION"

Closes #32

See merge request !163

stages/preprocess/version.py

@@ -99,6 +99,13 @@ def main():
     )
     args = parser.parse_args()
     version = parse()
+    # create regex to check if path traversal is in version
+    wl_re = re.compile(r"[a-zA-Z0-9_][a-zA-Z0-9_.\-]*")
+    if wl_re.fullmatch(version) == None or version == "" or len(version) > 128:
+        logging.error(
+            "The format for IMG_VERSION is invalid. Please make sure that the value for your version field has a valid format in your download.yaml file"
+        )
+        return 1
     if version is None:
         logging.error(
             "Could not parse version out of repo. Please include a version field in your download.yaml file."