Add a firefox add-on

tools/webextension/native/app_manifest.json

@@ -0,0 +1,7 @@
+{
+  "name": "docspell",
+  "description": "Docspell Uploads",
+  "path": "/usr/local/share/docspell/native.py",
+  "type": "stdio",
+  "allowed_extensions": [ "docspell@eikek.github.io" ]
+}

tools/webextension/native/native.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python
+
+import json
+import sys
+import struct
+import os
+from os.path import expanduser
+import subprocess
+
+# The path to the ds.sh tool.
+try:
+    home = expanduser("~")
+    with open(home + '/.config/docspell/ds.cmd', 'r') as file:
+        DS_SH_CMD = file.read().replace('\n', '')
+except:
+    DS_SH_CMD="ds.sh"
+
+
+# Read a message from stdin and decode it.
+def get_message():
+    raw_length = sys.stdin.read(4)
+    if not raw_length:
+        sys.exit(0)
+    message_length = struct.unpack('=I', raw_length)[0]
+    message = sys.stdin.read(message_length)
+    return json.loads(message)
+
+
+# Encode a message for transmission, given its content.
+def encode_message(message_content):
+    encoded_content = json.dumps(message_content)
+    encoded_length = struct.pack('=I', len(encoded_content))
+    return {'length': encoded_length, 'content': encoded_content}
+
+
+# Send an encoded message to stdout.
+def send_message(encoded_message):
+    sys.stdout.write(encoded_message['length'])
+    sys.stdout.write(encoded_message['content'])
+    sys.stdout.flush()
+
+
+while True:
+    filename = get_message()
+    FNULL = open(os.devnull, 'w')
+    rc = subprocess.call(args=[DS_SH_CMD, filename], stdout=FNULL, stderr=FNULL, close_fds=True)
+    os.remove(filename)
+    if rc == 0:
+        send_message(encode_message(rc))
+    else:
+        send_message(encode_message(rc))