chore: user header forward minimize code changes throughout codebase (#19392)

* Update external.py

* remove unused imports

* Update ollama.py

* Update ollama.py

* Update ollama.py

* Update openai.py

backend/open_webui/routers/openai.py

@@ -7,7 +7,6 @@ from typing import Optional
 import aiohttp
 from aiocache import cached
 import requests
-from urllib.parse import quote
 
 from azure.identity import DefaultAzureCredential, get_bearer_token_provider
 
@@ -50,6 +49,7 @@ from open_webui.utils.misc import (
 
 from open_webui.utils.auth import get_admin_user, get_verified_user
 from open_webui.utils.access_control import has_access
+from open_webui.utils.headers import include_user_info_headers
 
 
 log = logging.getLogger(__name__)
@@ -67,21 +67,16 @@ async def send_get_request(url, key=None, user: UserModel = None):
     timeout = aiohttp.ClientTimeout(total=AIOHTTP_CLIENT_TIMEOUT_MODEL_LIST)
     try:
         async with aiohttp.ClientSession(timeout=timeout, trust_env=True) as session:
+            headers = {
+                **({"Authorization": f"Bearer {key}"} if key else {}),
+            }
+
+            if ENABLE_FORWARD_USER_INFO_HEADERS and user:
+                headers = include_user_info_headers(headers, user)
+
             async with session.get(
                 url,
-                headers={
-                    **({"Authorization": f"Bearer {key}"} if key else {}),
-                    **(
-                        {
-                            "X-OpenWebUI-User-Name": quote(user.name, safe=" "),
-                            "X-OpenWebUI-User-Id": user.id,
-                            "X-OpenWebUI-User-Email": user.email,
-                            "X-OpenWebUI-User-Role": user.role,
-                        }
-                        if ENABLE_FORWARD_USER_INFO_HEADERS and user
-                        else {}
-                    ),
-                },
+                headers=headers,
                 ssl=AIOHTTP_CLIENT_SESSION_SSL,
             ) as response:
                 return await response.json()
@@ -141,23 +136,13 @@ async def get_headers_and_cookies(
             if "openrouter.ai" in url
             else {}
         ),
-        **(
-            {
-                "X-OpenWebUI-User-Name": quote(user.name, safe=" "),
-                "X-OpenWebUI-User-Id": user.id,
-                "X-OpenWebUI-User-Email": user.email,
-                "X-OpenWebUI-User-Role": user.role,
-                **(
-                    {"X-OpenWebUI-Chat-Id": metadata.get("chat_id")}
-                    if metadata and metadata.get("chat_id")
-                    else {}
-                ),
-            }
-            if ENABLE_FORWARD_USER_INFO_HEADERS
-            else {}
-        ),
     }
 
+    if ENABLE_FORWARD_USER_INFO_HEADERS and user:
+        headers = include_user_info_headers(headers, user)
+        if metadata and metadata.get("chat_id"):
+            headers["X-OpenWebUI-Chat-Id"] = metadata.get("chat_id")
+
     token = None
     auth_type = config.get("auth_type")