feat: videoplayer toegevoegd

webui/backend/app/api/routes_files.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
-from fastapi import APIRouter, Depends
+from fastapi import APIRouter, Depends, Request
+from fastapi.responses import StreamingResponse
 
 from backend.app.api.schemas import DeleteRequest, DeleteResponse, MkdirRequest, MkdirResponse, RenameRequest, RenameResponse, SaveRequest, SaveResponse, ViewResponse
 from backend.app.dependencies import get_file_ops_service
@@ -42,6 +43,21 @@ async def view(
     return service.view(path=path, for_edit=for_edit)
 
 
+@router.get("/video")
+async def video(
+    path: str,
+    request: Request,
+    service: FileOpsService = Depends(get_file_ops_service),
+) -> StreamingResponse:
+    prepared = service.prepare_video_stream(path=path, range_header=request.headers.get("range"))
+    return StreamingResponse(
+        prepared["content"],
+        status_code=prepared["status_code"],
+        headers=prepared["headers"],
+        media_type=prepared["content_type"],
+    )
+
+
 @router.post("/save", response_model=SaveResponse)
 async def save(
     request: SaveRequest,

webui/backend/app/fs/filesystem_adapter.py

@@ -86,6 +86,17 @@ class FilesystemAdapter:
             "modified": self.modified_iso(path),
         }
 
+    async def stream_file_range(self, path: Path, start: int, end: int, chunk_size: int = 1024 * 1024):
+        with path.open("rb") as handle:
+            handle.seek(start)
+            remaining = (end - start) + 1
+            while remaining > 0:
+                chunk = handle.read(min(chunk_size, remaining))
+                if not chunk:
+                    break
+                remaining -= len(chunk)
+                yield chunk
+
     @staticmethod
     def modified_iso(path: Path) -> str:
         stat = path.stat()

webui/backend/app/services/file_ops_service.py

@@ -25,6 +25,10 @@ SPECIAL_TEXT_FILENAMES = {
     "dockerfile": "text/plain",
     "containerfile": "text/plain",
 }
+VIDEO_CONTENT_TYPES = {
+    ".mp4": "video/mp4",
+    ".mkv": "video/x-matroska",
+}
 
 
 class FileOpsService:
@@ -302,6 +306,53 @@ class FileOpsService:
             modified=saved["modified"],
         )
 
+    def prepare_video_stream(self, path: str, range_header: str | None = None) -> dict:
+        resolved_target = self._path_guard.resolve_existing_path(path)
+
+        if resolved_target.absolute.is_dir():
+            raise AppError(
+                code="type_conflict",
+                message="Source must be a file",
+                status_code=409,
+                details={"path": resolved_target.relative},
+            )
+        if not resolved_target.absolute.is_file():
+            raise AppError(
+                code="type_conflict",
+                message="Unsupported path type for video",
+                status_code=409,
+                details={"path": resolved_target.relative},
+            )
+
+        content_type = self._video_content_type_for(resolved_target.absolute)
+        if content_type is None:
+            raise AppError(
+                code="unsupported_type",
+                message="File type is not supported for video playback",
+                status_code=409,
+                details={"path": resolved_target.relative},
+            )
+
+        file_size = int(resolved_target.absolute.stat().st_size)
+        start = 0
+        end = max(file_size - 1, 0)
+        status_code = 200
+        headers = {"Accept-Ranges": "bytes"}
+
+        if range_header:
+            start, end = self._parse_range_header(range_header, file_size)
+            status_code = 206
+            headers["Content-Range"] = f"bytes {start}-{end}/{file_size}"
+
+        headers["Content-Length"] = str(max((end - start) + 1, 0))
+
+        return {
+            "status_code": status_code,
+            "headers": headers,
+            "content_type": content_type,
+            "content": self._filesystem.stream_file_range(resolved_target.absolute, start, end),
+        }
+
     @staticmethod
     def _join_relative(base: str, name: str) -> str:
         return f"{base}/{name}" if base else name
@@ -313,6 +364,10 @@ class FileOpsService:
             return special_name
         return TEXT_CONTENT_TYPES.get(path.suffix.lower())
 
+    @staticmethod
+    def _video_content_type_for(path: Path) -> str | None:
+        return VIDEO_CONTENT_TYPES.get(path.suffix.lower())
+
     def _record_history(
         self,
         *,
@@ -363,3 +418,43 @@ class FileOpsService:
         from datetime import datetime, timezone
 
         return datetime.now(timezone.utc).replace(microsecond=0).isoformat().replace("+00:00", "Z")
+    @staticmethod
+    def _parse_range_header(range_header: str, file_size: int) -> tuple[int, int]:
+        def invalid_range() -> AppError:
+            return AppError(
+                code="invalid_request",
+                message="Invalid Range header",
+                status_code=400,
+            )
+
+        if not range_header.startswith("bytes="):
+            raise invalid_range()
+        value = range_header[len("bytes="):].strip()
+        if "," in value or "-" not in value:
+            raise invalid_range()
+        start_text, end_text = value.split("-", 1)
+        if start_text == "" and end_text == "":
+            raise invalid_range()
+
+        try:
+            if start_text == "":
+                suffix_length = int(end_text)
+                if suffix_length <= 0:
+                    raise invalid_range()
+                if suffix_length >= file_size:
+                    return 0, max(file_size - 1, 0)
+                return file_size - suffix_length, file_size - 1
+
+            start = int(start_text)
+            if start < 0 or start >= file_size:
+                raise invalid_range()
+
+            if end_text == "":
+                return start, file_size - 1
+
+            end = int(end_text)
+            if end < start:
+                raise invalid_range()
+            return start, min(end, file_size - 1)
+        except ValueError as exc:
+            raise invalid_range() from exc