Add webUI serving to api-server

.gitignore

@@ -8,6 +8,7 @@ user_data/*
 user_data/notebooks/*
 freqtrade-plot.html
 freqtrade-profit-plot.html
+freqtrade/rpc/api_server/ui/*
 
 # Byte-compiled / optimized / DLL files
 __pycache__/

freqtrade/rpc/api_server/web_ui.py

@@ -0,0 +1,28 @@
+from pathlib import Path
+
+from fastapi import APIRouter
+from fastapi.exceptions import HTTPException
+from starlette.responses import FileResponse
+
+
+router_ui = APIRouter()
+
+
+@router_ui.get('/favicon.ico', include_in_schema=False)
+async def favicon():
+    return FileResponse(Path(__file__).parent / 'ui/favicon.ico')
+
+
+@router_ui.get('/{rest_of_path:path}', include_in_schema=False)
+async def index_html(rest_of_path: str):
+    """
+    Emulate path fallback to index.html.
+    """
+    if rest_of_path.startswith('api') or rest_of_path.startswith('.'):
+        raise HTTPException(status_code=404, detail="Not Found")
+    uibase = Path(__file__).parent / 'ui'
+    if (uibase / rest_of_path).is_file():
+        return FileResponse(uibase / rest_of_path)
+
+    # Fall back to index.html, as indicated by vue router docs
+    return FileResponse(uibase / 'index.html')

freqtrade/rpc/api_server/webserver.py

@@ -57,12 +57,16 @@ class ApiServer(RPCHandler):
         from freqtrade.rpc.api_server.api_auth import http_basic_or_jwt_token, router_login
         from freqtrade.rpc.api_server.api_v1 import router as api_v1
         from freqtrade.rpc.api_server.api_v1 import router_public as api_v1_public
+        from freqtrade.rpc.api_server.web_ui import router_ui
+
         app.include_router(api_v1_public, prefix="/api/v1")
 
         app.include_router(api_v1, prefix="/api/v1",
                            dependencies=[Depends(http_basic_or_jwt_token)],
                            )
         app.include_router(router_login, prefix="/api/v1", tags=["auth"])
+        # UI Router MUST be last!
+        app.include_router(router_ui, prefix='')
 
         app.add_middleware(
             CORSMiddleware,

requirements.txt

@@ -31,6 +31,7 @@ sdnotify==0.3.2
 fastapi==0.63.0
 uvicorn==0.13.3
 pyjwt==2.0.1
+aiofiles==0.6.0
 
 # Support for colorized terminal output
 colorama==0.4.4

tests/rpc/test_rpc_apiserver.py

@@ -83,7 +83,7 @@ def assert_response(response, expected_code=200, needs_cors=True):
 def test_api_not_found(botclient):
     ftbot, client = botclient
 
-    rc = client_post(client, f"{BASE_URI}/invalid_url")
+    rc = client_get(client, f"{BASE_URI}/invalid_url")
     assert_response(rc, 404)
     assert rc.json() == {"detail": "Not Found"}