From e5a593a4bb147d27d8969815ec37984b75b032a1 Mon Sep 17 00:00:00 2001
From: axolotle <nchesnais@mailoo.org>
Date: Sat, 25 Nov 2023 21:37:29 +0100
Subject: [PATCH] fix: FileOption return already saved and hashed filepath

---
 src/utils/form.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/utils/form.py b/src/utils/form.py
index 02ce8cd8f..5db9afcc2 100644
--- a/src/utils/form.py
+++ b/src/utils/form.py
@@ -1363,9 +1363,19 @@ class FileOption(BaseInputOption):
         if not value:
             return ""
 
-        content, ext = cls._base_value_post_validator(value, field)
         bind = field.field_info.extra["bind"]
 
+        # to avoid "filename too long" with b64 content
+        if len(value.encode("utf-8")) < 255:
+            # Check if value is an already hashed and saved filepath
+            path = Path(value)
+            if path.exists() and value == bind.format(
+                filename=path.stem, ext=path.suffix
+            ):
+                return value
+
+        content, ext = cls._base_value_post_validator(value, field)
+
         m = hashlib.sha256()
         m.update(content)
         sha256sum = m.hexdigest()