Merge pull request ckan#8088 from ckan/Zharktas-patch-2

Increase read bytes from file to detect xlsx mimetypes correctly
PublicaMundi · Feb 27, 2024 · 3b3ac6a · 3b3ac6a
2 parents 1c45951 + 4f17abf
commit 3b3ac6a
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/changes/8088.bugfix b/changes/8088.bugfix
@@ -0,0 +1 @@
+Detect XLSX mimetypes correctly in uploader
diff --git a/ckan/lib/uploader.py b/ckan/lib/uploader.py
@@ -211,7 +211,8 @@ def verify_type(self):
         if not mimetypes and not types:
             return
 
-        actual = magic.from_buffer(self.upload_file.read(1024), mime=True)
+        # 2KB required for detecting xlsx mimetype
+        actual = magic.from_buffer(self.upload_file.read(2048), mime=True)
         self.upload_file.seek(0, os.SEEK_SET)
         err: ErrorDict = {
             self.file_field: [f"Unsupported upload type: {actual}"]