Feat: Alter flask to Quart for async API serving. (#11275)

### What problem does this PR solve?

#11277

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

admin/server/admin_server.py

@@ -20,8 +20,10 @@ import logging
 import time
 import threading
 import traceback
-from werkzeug.serving import run_simple
+
 from flask import Flask
+from flask_login import LoginManager
+from werkzeug.serving import run_simple
 from routes import admin_bp
 from common.log_utils import init_root_logger
 from common.constants import SERVICE_CONF
@@ -30,7 +32,6 @@ from common import settings
 from config import load_configurations, SERVICE_CONFIGS
 from auth import init_default_admin, setup_auth
 from flask_session import Session
-from flask_login import LoginManager
 from common.versions import get_ragflow_version
 
 stop_event = threading.Event()

admin/server/auth.py

@@ -19,7 +19,8 @@ import logging
 import uuid
 from functools import wraps
 from datetime import datetime
-from flask import request, jsonify
+
+from flask import jsonify, request
 from flask_login import current_user, login_user
 from itsdangerous.url_safe import URLSafeTimedSerializer as Serializer
 

admin/server/responses.py

@@ -13,8 +13,6 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 #
-
-
 from flask import jsonify
 
 

admin/server/routes.py

@@ -17,7 +17,7 @@
 import secrets
 
 from flask import Blueprint, request
-from flask_login import current_user, logout_user, login_required
+from flask_login import current_user, login_required, logout_user
 
 from auth import login_verify, login_admin, check_admin_auth
 from responses import success_response, error_response
@@ -30,12 +30,12 @@ admin_bp = Blueprint('admin', __name__, url_prefix='/api/v1/admin')
 
 
 @admin_bp.route('/login', methods=['POST'])
-def login():
-    if not request.json:
+async def login():
+    if not await request.json:
         return error_response('Authorize admin failed.' ,400)
     try:
-        email = request.json.get("email", "")
-        password = request.json.get("password", "")
+        email = await request.json.get("email", "")
+        password = await request.json.get("password", "")
         return login_admin(email, password)
     except Exception as e:
         return error_response(str(e), 500)
@@ -76,9 +76,9 @@ def list_users():
 @admin_bp.route('/users', methods=['POST'])
 @login_required
 @check_admin_auth
-def create_user():
+async def create_user():
     try:
-        data = request.get_json()
+        data = await request.get_json()
         if not data or 'username' not in data or 'password' not in data:
             return error_response("Username and password are required", 400)
 
@@ -120,9 +120,9 @@ def delete_user(username):
 @admin_bp.route('/users/<username>/password', methods=['PUT'])
 @login_required
 @check_admin_auth
-def change_password(username):
+async def change_password(username):
     try:
-        data = request.get_json()
+        data = await request.get_json()
         if not data or 'new_password' not in data:
             return error_response("New password is required", 400)
 
@@ -139,9 +139,9 @@ def change_password(username):
 @admin_bp.route('/users/<username>/activate', methods=['PUT'])
 @login_required
 @check_admin_auth
-def alter_user_activate_status(username):
+async def alter_user_activate_status(username):
     try:
-        data = request.get_json()
+        data = await request.get_json()
         if not data or 'activate_status' not in data:
             return error_response("Activation status is required", 400)
         activate_status = data['activate_status']
@@ -253,9 +253,9 @@ def restart_service(service_id):
 @admin_bp.route('/roles', methods=['POST'])
 @login_required
 @check_admin_auth
-def create_role():
+async def create_role():
     try:
-        data = request.get_json()
+        data = await request.get_json()
         if not data or 'role_name' not in data:
             return error_response("Role name is required", 400)
         role_name: str = data['role_name']
@@ -269,9 +269,9 @@ def create_role():
 @admin_bp.route('/roles/<role_name>', methods=['PUT'])
 @login_required
 @check_admin_auth
-def update_role(role_name: str):
+async def update_role(role_name: str):
     try:
-        data = request.get_json()
+        data = await request.get_json()
         if not data or 'description' not in data:
             return error_response("Role description is required", 400)
         description: str = data['description']
@@ -317,9 +317,9 @@ def get_role_permission(role_name: str):
 @admin_bp.route('/roles/<role_name>/permission', methods=['POST'])
 @login_required
 @check_admin_auth
-def grant_role_permission(role_name: str):
+async def grant_role_permission(role_name: str):
     try:
-        data = request.get_json()
+        data = await request.get_json()
         if not data or 'actions' not in data or 'resource' not in data:
             return error_response("Permission is required", 400)
         actions: list = data['actions']
@@ -333,9 +333,9 @@ def grant_role_permission(role_name: str):
 @admin_bp.route('/roles/<role_name>/permission', methods=['DELETE'])
 @login_required
 @check_admin_auth
-def revoke_role_permission(role_name: str):
+async def revoke_role_permission(role_name: str):
     try:
-        data = request.get_json()
+        data = await request.get_json()
         if not data or 'actions' not in data or 'resource' not in data:
             return error_response("Permission is required", 400)
         actions: list = data['actions']
@@ -349,9 +349,9 @@ def revoke_role_permission(role_name: str):
 @admin_bp.route('/users/<user_name>/role', methods=['PUT'])
 @login_required
 @check_admin_auth
-def update_user_role(user_name: str):
+async def update_user_role(user_name: str):
     try:
-        data = request.get_json()
+        data = await request.get_json()
         if not data or 'role_name' not in data:
             return error_response("Role name is required", 400)
         role_name: str = data['role_name']