From a5f12aba81ff2290068fd6523cbbb27d31c99736 Mon Sep 17 00:00:00 2001
From: Ishaan Jaff <ishaanjaffer0324@gmail.com>
Date: Wed, 10 Jul 2024 16:15:43 -0700
Subject: [PATCH] add file content

---
 .../openai_files_endpoints/files_endpoints.py | 117 ++++++++++++++++++
 1 file changed, 117 insertions(+)

diff --git a/litellm/proxy/openai_files_endpoints/files_endpoints.py b/litellm/proxy/openai_files_endpoints/files_endpoints.py
index 36972972bd7..e4ac8fc8042 100644
--- a/litellm/proxy/openai_files_endpoints/files_endpoints.py
+++ b/litellm/proxy/openai_files_endpoints/files_endpoints.py
@@ -480,3 +480,120 @@ async def list_files(
                 param=getattr(e, "param", "None"),
                 code=getattr(e, "status_code", 500),
             )
+
+
+@router.get(
+    "/v1/files/{file_id:path}/content",
+    dependencies=[Depends(user_api_key_auth)],
+    tags=["files"],
+)
+@router.get(
+    "/files/{file_id:path}/content",
+    dependencies=[Depends(user_api_key_auth)],
+    tags=["files"],
+)
+async def get_file_content(
+    request: Request,
+    fastapi_response: Response,
+    file_id: str,
+    user_api_key_dict: UserAPIKeyAuth = Depends(user_api_key_auth),
+):
+    """
+    Returns information about a specific file. that can be used across - Assistants API, Batch API 
+    This is the equivalent of GET https://api.openai.com/v1/files/{file_id}/content
+
+    Supports Identical Params as: https://platform.openai.com/docs/api-reference/files/retrieve-contents
+
+    Example Curl
+    ```
+    curl http://localhost:4000/v1/files/file-abc123/content \
+        -H "Authorization: Bearer sk-1234"
+
+    ```
+    """
+    from litellm.proxy.proxy_server import (
+        add_litellm_data_to_request,
+        general_settings,
+        get_custom_headers,
+        proxy_config,
+        proxy_logging_obj,
+        version,
+    )
+
+    data: Dict = {}
+    try:
+
+        # Include original request and headers in the data
+        data = await add_litellm_data_to_request(
+            data=data,
+            request=request,
+            general_settings=general_settings,
+            user_api_key_dict=user_api_key_dict,
+            version=version,
+            proxy_config=proxy_config,
+        )
+
+        # for now use custom_llm_provider=="openai" -> this will change as LiteLLM adds more providers for acreate_batch
+        response = await litellm.afile_content(
+            custom_llm_provider="openai", file_id=file_id, **data
+        )
+
+        ### ALERTING ###
+        asyncio.create_task(
+            proxy_logging_obj.update_request_status(
+                litellm_call_id=data.get("litellm_call_id", ""), status="success"
+            )
+        )
+
+        ### RESPONSE HEADERS ###
+        hidden_params = getattr(response, "_hidden_params", {}) or {}
+        model_id = hidden_params.get("model_id", None) or ""
+        cache_key = hidden_params.get("cache_key", None) or ""
+        api_base = hidden_params.get("api_base", None) or ""
+
+        fastapi_response.headers.update(
+            get_custom_headers(
+                user_api_key_dict=user_api_key_dict,
+                model_id=model_id,
+                cache_key=cache_key,
+                api_base=api_base,
+                version=version,
+                model_region=getattr(user_api_key_dict, "allowed_model_region", ""),
+            )
+        )
+        httpx_response: Optional[httpx.Response] = getattr(response, "response", None)
+        if httpx_response is None:
+            raise ValueError(
+                f"Invalid response - response.response is None - got {response}"
+            )
+        return Response(
+            content=httpx_response.content,
+            status_code=httpx_response.status_code,
+            headers=httpx_response.headers,
+        )
+
+    except Exception as e:
+        await proxy_logging_obj.post_call_failure_hook(
+            user_api_key_dict=user_api_key_dict, original_exception=e, request_data=data
+        )
+        verbose_proxy_logger.error(
+            "litellm.proxy.proxy_server.retrieve_file_content(): Exception occured - {}".format(
+                str(e)
+            )
+        )
+        verbose_proxy_logger.debug(traceback.format_exc())
+        if isinstance(e, HTTPException):
+            raise ProxyException(
+                message=getattr(e, "message", str(e.detail)),
+                type=getattr(e, "type", "None"),
+                param=getattr(e, "param", "None"),
+                code=getattr(e, "status_code", status.HTTP_400_BAD_REQUEST),
+            )
+        else:
+            error_msg = f"{str(e)}"
+            raise ProxyException(
+                message=getattr(e, "message", error_msg),
+                type=getattr(e, "type", "None"),
+                param=getattr(e, "param", "None"),
+                code=getattr(e, "status_code", 500),
+            )