Add web upload: POST /api/upload stores MP4s into dated archive, plus Upload UI panel

server.py

@@ -109,7 +109,10 @@ class PlayerHandler(BaseHTTPRequestHandler):
         self.send_error(404)
 
     def do_POST(self):
-        if urlparse(self.path).path == "/api/encode":
+        path = urlparse(self.path).path
+        if path == "/api/upload":
+            return self.handle_upload()
+        if path == "/api/encode":
             if not self.server.encode_status["running"]:
                 threading.Thread(target=run_encoding, args=(self.server,), daemon=True).start()
             return self.send_json(self.server.encode_status)
@@ -140,6 +143,60 @@ class PlayerHandler(BaseHTTPRequestHandler):
             return self.send_json(highlight)
         self.send_error(404)
 
+    def handle_upload(self):
+        try:
+            length = int(self.headers.get("Content-Length", "0"))
+        except ValueError:
+            return self.send_error(400, "Invalid content length")
+        max_bytes = 2 * 1024 * 1024 * 1024
+        if not 0 < length <= max_bytes:
+            return self.send_error(413, "Missing or oversized body (limit 2 GiB)")
+        filename = parse_qs(urlparse(self.path).query).get("filename", [""])[0]
+        match = VIDEO_RE.fullmatch(filename)
+        if not match:
+            return self.send_error(400, "Filename must be HH.MM.SS.mp4 or HH.MM.SS.avi (e.g. 09.28.36.mp4)")
+        hour, minute, second = map(int, match.groups()[:3])
+        if hour > 23 or minute > 59 or second > 59:
+            return self.send_error(400, "Invalid time in filename")
+        try:
+            day = normalize_date(parse_qs(urlparse(self.path).query).get("date", [""])[0])
+        except ValueError:
+            return self.send_error(400, "date must be YYYYMMDD or YYYY-MM-DD")
+        suffix = match.group(4).lower()
+        if suffix == "avi":
+            return self.send_error(400, "Only pre-encoded .mp4 uploads are accepted; AVI sources go through the Encoding menu")
+
+        target_dir = self.server.output_root / day
+        target = target_dir / f"{hour:02d}.{minute:02d}.{second:02d}.mp4"
+        temporary = target.with_suffix(".uploading.mp4")
+        try:
+            target_dir.mkdir(parents=True, exist_ok=True)
+            received = 0
+            with temporary.open("wb") as sink:
+                while received < length:
+                    chunk = self.rfile.read(min(256 * 1024, length - received))
+                    if not chunk:
+                        raise OSError("client disconnected mid-upload")
+                    sink.write(chunk)
+                    received += len(chunk)
+            if target.exists():
+                temporary.unlink()
+                return self.send_error(409, "A recording already exists at that time; nothing was overwritten")
+            temporary.replace(target)
+        except OSError:
+            temporary.unlink(missing_ok=True)
+            return self.send_error(500, "Failed to store upload")
+        self.server.recordings.setdefault(day, [])
+        if not any(clip["name"] == target.name for clip in self.server.recordings[day]):
+            self.server.recordings[day].append({
+                "name": target.name,
+                "start": hour * 3600 + minute * 60 + second,
+                "duration": 120,
+                "path": target,
+            })
+            self.server.recordings[day].sort(key=lambda clip: clip["start"])
+        return self.send_json({"ok": True, "file": f"{day}/{target.name}"})
+
     def do_DELETE(self):
         request = urlparse(self.path)
         if request.path != "/api/highlights":