implement dynamic file upload

owrx/controllers/imageupload.py

@@ -0,0 +1,32 @@
+from owrx.controllers.assets import AssetsController
+from owrx.config import CoreConfig
+import uuid
+import json
+
+
+class ImageUploadController(AssetsController):
+    def __init__(self, handler, request, options):
+        super().__init__(handler, request, options)
+        self.uuid = request.query["uuid"][0] if "uuid" in request.query else None
+        self.id = request.query["id"][0] if "id" in request.query else None
+
+    def getFilePath(self, file=None):
+        if self.uuid is None:
+            raise FileNotFoundError("missing uuid")
+        if self.id is None:
+            raise FileNotFoundError("missing id")
+        return "{tmp}/{file}-{uuid}".format(
+            tmp=CoreConfig().get_temporary_directory(),
+            file=self.id,
+            uuid=self.uuid,
+        )
+
+    def indexAction(self):
+        self.serve_file(None)
+
+    def processImage(self):
+        self.uuid = uuid.uuid4().hex
+        contents = self.get_body()
+        with open(self.getFilePath(), 'wb') as f:
+            f.write(contents)
+        self.send_response(json.dumps({"uuid": self.uuid}), content_type="application/json")