Add REST endpoint for uploading snapshots from the Singlefile extension (#996)

* Extract asset logic

* Allow disabling HTML snapshot when creating bookmark

* Add endpoint for uploading singlefile snapshots

* Add URL parameter to disable HTML snapshots

* Allow using asset list in base Docker image

* Expose app version through profile

bookmarks/services/singlefile.py

@@ -1,8 +1,6 @@
-import gzip
 import logging
 import os
 import shlex
-import shutil
 import signal
 import subprocess
 
@@ -18,27 +16,20 @@ logger = logging.getLogger(__name__)
 
 def create_snapshot(url: str, filepath: str):
     singlefile_path = settings.LD_SINGLEFILE_PATH
+
     # parse options to list of arguments
     ublock_options = shlex.split(settings.LD_SINGLEFILE_UBLOCK_OPTIONS)
     custom_options = shlex.split(settings.LD_SINGLEFILE_OPTIONS)
-    temp_filepath = filepath + ".tmp"
     # concat lists
-    args = [singlefile_path] + ublock_options + custom_options + [url, temp_filepath]
+    args = [singlefile_path] + ublock_options + custom_options + [url, filepath]
     try:
         # Use start_new_session=True to create a new process group
         process = subprocess.Popen(args, start_new_session=True)
         process.wait(timeout=settings.LD_SINGLEFILE_TIMEOUT_SEC)
 
         # check if the file was created
-        if not os.path.exists(temp_filepath):
+        if not os.path.exists(filepath):
             raise SingleFileError("Failed to create snapshot")
-
-        with open(temp_filepath, "rb") as raw_file, gzip.open(
-            filepath, "wb"
-        ) as gz_file:
-            shutil.copyfileobj(raw_file, gz_file)
-
-        os.remove(temp_filepath)
     except subprocess.TimeoutExpired:
         # First try to terminate properly
         try: