fix: add RemoteFileUploadError for better error handling in remote fi… (#11933)

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/controllers/common/errors.py

 class FilenameNotExistsError(HTTPException):
     code = 400
     description = "The specified filename does not exist."
+
+
+class RemoteFileUploadError(HTTPException):
+    code = 400
+    description = "Error uploading remote file."

api/controllers/console/remote_files.py

 
 import services
 from controllers.common import helpers
+from controllers.common.errors import RemoteFileUploadError
 from core.file import helpers as file_helpers
 from core.helper import ssrf_proxy
 from fields.file_fields import file_fields_with_signed_url, remote_file_info_fields
 
         url = args["url"]
 
-        resp = ssrf_proxy.head(url=url)
-        if resp.status_code != httpx.codes.OK:
-            resp = ssrf_proxy.get(url=url, timeout=3, follow_redirects=True)
-        resp.raise_for_status()
+        try:
+            resp = ssrf_proxy.head(url=url)
+            if resp.status_code != httpx.codes.OK:
+                resp = ssrf_proxy.get(url=url, timeout=3, follow_redirects=True)
+            if resp.status_code != httpx.codes.OK:
+                raise RemoteFileUploadError(f"Failed to fetch file from {url}: {resp.text}")
+        except httpx.RequestError as e:
+            raise RemoteFileUploadError(f"Failed to fetch file from {url}: {str(e)}")
 
         file_info = helpers.guess_file_info_from_response(resp)
 

api/controllers/web/remote_files.py

 
 import services
 from controllers.common import helpers
+from controllers.common.errors import RemoteFileUploadError
 from controllers.web.wraps import WebApiResource
 from core.file import helpers as file_helpers
 from core.helper import ssrf_proxy
 
         url = args["url"]
 
-        resp = ssrf_proxy.head(url=url)
-        if resp.status_code != httpx.codes.OK:
-            resp = ssrf_proxy.get(url=url, timeout=3)
-        resp.raise_for_status()
+        try:
+            resp = ssrf_proxy.head(url=url)
+            if resp.status_code != httpx.codes.OK:
+                resp = ssrf_proxy.get(url=url, timeout=3, follow_redirects=True)
+            if resp.status_code != httpx.codes.OK:
+                raise RemoteFileUploadError(f"Failed to fetch file from {url}: {resp.text}")
+        except httpx.RequestError as e:
+            raise RemoteFileUploadError(f"Failed to fetch file from {url}: {str(e)}")
 
         file_info = helpers.guess_file_info_from_response(resp)