Refactor: migrate doc upload info used in chat (#14359)

### What problem does this PR solve?

Before migration: POST /v1/document/upload_info/
After migration: POST /api/v1/documentss/upload/

### Type of change

- [x] Refactoring

api/apps/document_app.py

@@ -41,7 +41,6 @@ from common import settings
 from common.constants import RetCode, TaskStatus
 from common.file_utils import get_project_base_directory
 from common.misc_utils import thread_pool_exec
-from common.ssrf_guard import assert_url_is_safe
 from deepdoc.parser.html_parser import RAGFlowHtmlParser
 from rag.nlp import search
 
@@ -214,7 +213,6 @@ async def run():
     except Exception as e:
         return server_error_response(e)
 
-
 @manager.route("/get/<doc_id>", methods=["GET"])  # noqa: F821
 @login_required
 async def get(doc_id):
@@ -400,38 +398,3 @@ async def parse():
     txt = FileService.parse_docs(file_objs, current_user.id)
 
     return get_json_result(data=txt)
-
-
-@manager.route("/upload_info", methods=["POST"])  # noqa: F821
-@login_required
-async def upload_info():
-    files = await request.files
-    file_objs = files.getlist("file") if files and files.get("file") else []
-    url = request.args.get("url")
-
-    if file_objs and url:
-        return get_json_result(
-            data=False,
-            message="Provide either multipart file(s) or ?url=..., not both.",
-            code=RetCode.BAD_REQUEST,
-        )
-
-    if not file_objs and not url:
-        return get_json_result(
-            data=False,
-            message="Missing input: provide multipart file(s) or url",
-            code=RetCode.BAD_REQUEST,
-        )
-
-    try:
-        if url and not file_objs:
-            assert_url_is_safe(url)
-            return get_json_result(data=FileService.upload_info(current_user.id, None, url))
-
-        if len(file_objs) == 1:
-            return get_json_result(data=FileService.upload_info(current_user.id, file_objs[0], None))
-
-        results = [FileService.upload_info(current_user.id, f, None) for f in file_objs]
-        return get_json_result(data=results)
-    except Exception as e:
-        return server_error_response(e)