Add support for frontend API for configuration and app related data (#481)

.gitignore

@@ -144,3 +144,4 @@ mediafusion.local*
 kodi/build/
 kodi/*.zip
 !kodi/**/lib/
+.vscode/

api/frontend_api.py

@@ -0,0 +1,216 @@
+import math
+from typing import Dict, List, Optional, Any, Literal
+
+from fastapi import APIRouter, Depends, Request, HTTPException, BackgroundTasks
+from pydantic import BaseModel
+
+from db import crud, schemas
+from db.config import settings
+from utils import const
+from utils.network import get_user_data, get_user_public_ip
+
+# Create a router with more appropriate naming for the frontend
+router = APIRouter(prefix="/api/v1", tags=["frontend"])
+
+
+# ---- Data Models ----
+
+class AppConfig(BaseModel):
+    """Base configuration data for the application"""
+    addon_name: str
+    logo_url: str
+    host_url: str
+    poster_host_url: Optional[str]
+    version: str
+    description: str
+    branding_description: str
+    is_public_instance: bool
+    disabled_providers: List[str]
+    authentication_required: bool
+
+
+class UserConfig(BaseModel):
+    """User-specific configuration data"""
+    user_data: Dict[str, Any]
+    configured_fields: List[str]
+
+
+class ValidationResult(BaseModel):
+    """Data model for validation results"""
+    status: str
+    message: Optional[str] = None
+
+
+class StreamData(BaseModel):
+    """Data model for stream information"""
+    title: str
+    year: int
+    poster: str
+    background: str
+    description: str
+    streams: List[Dict[str, Any]]
+    catalog_type: str
+    season: Optional[int] = None
+    episode: Optional[int] = None
+    video_id: str
+    secret_str: str
+    series_data: Optional[str] = None
+
+
+# ---- API Endpoints ----
+
+@router.get("/app-config", response_model=AppConfig)
+async def get_app_config():
+    """
+    Get basic application configuration.
+    Replaces the former home endpoint with more specific naming.
+    """
+    return {
+        "addon_name": settings.addon_name,
+        "logo_url": settings.logo_url,
+        "host_url": settings.host_url,
+        "poster_host_url": settings.poster_host_url,
+        "version": settings.version,
+        "description": settings.description,
+        "branding_description": settings.branding_description,
+        "is_public_instance": settings.is_public_instance,
+        "disabled_providers": settings.disabled_providers,
+        "authentication_required": settings.api_password is not None and not settings.is_public_instance,
+    }
+
+
+@router.get("/user-config", response_model=UserConfig)
+async def get_user_config(
+    user_data: schemas.UserData = Depends(get_user_data),
+    secret_str: Optional[str] = None,
+):
+    """
+    Get user-specific configuration.
+    Returns only user configuration without default values from constants.
+    """
+    configured_fields = []
+
+    # Handle sensitive data masking
+    if user_data.streaming_provider:
+        user_data.streaming_provider.password = "••••••••"
+        user_data.streaming_provider.token = "••••••••"
+        configured_fields.extend(["provider_token", "password"])
+
+        if user_data.streaming_provider.qbittorrent_config:
+            user_data.streaming_provider.qbittorrent_config.qbittorrent_password = "••••••••"
+            user_data.streaming_provider.qbittorrent_config.webdav_password = "••••••••"
+            configured_fields.extend(["qbittorrent_password", "webdav_password"])
+
+    if user_data.mediaflow_config:
+        user_data.mediaflow_config.api_password = "••••••••"
+        configured_fields.append("mediaflow_api_password")
+
+    if user_data.rpdb_config:
+        user_data.rpdb_config.api_key = "••••••••"
+        configured_fields.append("rpdb_api_key")
+
+    user_data.api_password = None
+
+    return {
+        "user_data": user_data.model_dump(),
+        "configured_fields": configured_fields,
+    }
+
+
+@router.get("/system-constants")
+async def get_system_constants():
+    """
+    Get all system constants needed by the frontend.
+    Renamed from 'constants' to be more descriptive.
+    """
+    return {
+        "CATALOG_DATA": const.CATALOG_DATA,
+        "RESOLUTIONS": const.RESOLUTIONS,
+        "TORRENT_SORTING_PRIORITY_OPTIONS": const.TORRENT_SORTING_PRIORITY_OPTIONS,
+        "SUPPORTED_LANGUAGES": const.SUPPORTED_LANGUAGES,
+        "QUALITY_GROUPS": const.QUALITY_GROUPS,
+    }
+
+
+@router.get("/download/{secret_str}/{catalog_type}/{video_id}", response_model=StreamData)
+@router.get("/download/{secret_str}/{catalog_type}/{video_id}/{season}/{episode}", response_model=StreamData)
+async def get_download_info(
+    request: Request,
+    secret_str: str,
+    catalog_type: Literal["movie", "series"],
+    video_id: str,
+    user_data: schemas.UserData = Depends(get_user_data),
+    background_tasks: BackgroundTasks = BackgroundTasks(),
+    season: int = None,
+    episode: int = None,
+):
+    """
+    Get download information for the React frontend.
+    Replaces the Jinja template rendering for the download page.
+    """
+    if (
+        not user_data.streaming_provider
+        or not user_data.streaming_provider.download_via_browser
+    ):
+        raise HTTPException(
+            status_code=403,
+            detail="Download option is not enabled or no streaming provider configured",
+        )
+
+    metadata = (
+        await crud.get_movie_data_by_id(video_id)
+        if catalog_type == "movie"
+        else await crud.get_series_data_by_id(video_id)
+    )
+    if not metadata:
+        raise HTTPException(status_code=404, detail="Metadata not found")
+
+    user_ip = await get_user_public_ip(request, user_data)
+
+    if catalog_type == "movie":
+        streams = await crud.get_movie_streams(
+            user_data, secret_str, video_id, user_ip, background_tasks
+        )
+    else:
+        streams = await crud.get_series_streams(
+            user_data, secret_str, video_id, season, episode, user_ip, background_tasks
+        )
+
+    streaming_provider_path = f"{settings.host_url}/streaming_provider/"
+    downloadable_streams = [
+        stream.model_dump()
+        for stream in streams
+        if stream.url and stream.url.startswith(streaming_provider_path)
+    ]
+
+    if video_id.startswith("tt") and user_data.rpdb_config:
+        _poster = f"https://api.ratingposterdb.com/{user_data.rpdb_config.api_key}/imdb/poster-default/{video_id}.jpg?fallback=true"
+    else:
+        _poster = f"{settings.poster_host_url}/poster/{catalog_type}/{video_id}.jpg"
+
+    background = (
+        metadata.background
+        if metadata.background
+        else f"{settings.host_url}/static/images/background.jpg"
+    )
+
+    return {
+        "title": metadata.title,
+        "year": metadata.year,
+        "poster": _poster,
+        "background": background,
+        "description": metadata.description,
+        "streams": downloadable_streams,
+        "catalog_type": catalog_type,
+        "season": season,
+        "episode": episode,
+        "video_id": video_id,
+        "secret_str": secret_str,
+        "series_data": (
+            metadata.model_dump_json(
+                include={"episodes": {"__all__": {"season_number", "episode_number"}}}
+            )
+            if catalog_type == "series"
+            else None
+        ),
+    }

api/main.py

@@ -29,6 +29,7 @@ from db.redis_database import REDIS_ASYNC_CLIENT
 from db.schemas import SortingOption
 from kodi.routes import kodi_router
 from metrics.routes import metrics_router
+from api.frontend_api import router as frontend_api_router
 from scrapers.routes import router as scrapers_router
 from scrapers.rpdb import update_rpdb_posters, update_rpdb_poster
 from streaming_providers import mapper
@@ -123,6 +124,7 @@ app.add_middleware(middleware.SecureLoggingMiddleware)
 app.mount("/static", StaticFiles(directory="resources"), name="static")
 
 
+# Keep the existing template-based routes for backward compatibility
 @app.get("/", tags=["home"])
 async def get_home(request: Request):
     return TEMPLATES.TemplateResponse(
@@ -957,3 +959,6 @@ app.include_router(scrapers_router, prefix="/scraper", tags=["scraper"])
 app.include_router(metrics_router, prefix="/metrics", tags=["metrics"])
 
 app.include_router(kodi_router, prefix="/kodi", tags=["kodi"])
+
+# Add the frontend API router
+app.include_router(frontend_api_router)

api/middleware.py

@@ -72,7 +72,7 @@ class UserDataMiddleware(BaseHTTPMiddleware):
             if encoded_user_data:
                 user_data = crypto_utils.decode_user_data(encoded_user_data)
             else:
-                secret_str = request.path_params.get("secret_str")
+                secret_str = request.path_params.get("secret_str") or request.query_params.get("secret_str")
                 user_data = await crypto_utils.decrypt_user_data(secret_str)
         except (ValueError, ValidationError):
             # check if the endpoint is for /streams