Various fixes

b2sdk/_internal/account_info/stub.py

@@ -77,7 +77,7 @@ def get_bucket_name_or_none_from_bucket_id(self, bucket_id: str) -> str | None:
         return None
 
     def list_bucket_names_ids(self) -> list[tuple[str, str]]:
-        return list((bucket.bucket_name, bucket.id_) for bucket in self.buckets.values())
+        return list((bucket.name, bucket.id_) for bucket in self.buckets.values())
 
     def save_bucket(self, bucket):
         self.buckets[bucket.id_] = bucket

b2sdk/_internal/raw_simulator.py

@@ -1404,6 +1404,14 @@ def authorize_account(self, realm_url, application_key_id, application_key):
 
         allowed = key_sim.get_allowed()
 
+        buckets = allowed.get('buckets')
+        if buckets:
+            for item in buckets:
+                try:
+                    item['name'] = self.bucket_id_to_bucket[item['id']].bucket_name
+                except KeyError:
+                    item['name'] = None
+
         return dict(
             accountId=key_sim.account_id,
             authorizationToken=auth_token,

b2sdk/_internal/scan/folder.py

@@ -180,11 +180,11 @@ def make_full_path(self, file_name):
         # Generate the full path to the file
         full_path = os.path.normpath(os.path.join(self.root, file_name))
 
-        # Get the common prefix between the new full_path and self.root
-        common_prefix = os.path.commonprefix([full_path, self.root])
+        # Get the common path between the new full_path and self.root
+        common_path = os.path.commonpath([full_path, self.root])
 
         # Ensure the new full_path is inside the self.root directory
-        if common_prefix != self.root:
+        if common_path != self.root:
             raise UnsupportedFilename('illegal file name', full_path)
 
         return full_path

changelog.d/+local_folder_make_full_path.fixed.md

@@ -0,0 +1 @@
+Fix incorrect path check in `LocalFolder.make_full_path`.

changelog.d/+raw_simulator_bucket_name_mapping.fixed.md

@@ -0,0 +1 @@
+Fix bucket name mapping in `RawSimulator.authorize_account()`.

changelog.d/+stub_account_info_list_bucket_ids.fixed.md

@@ -0,0 +1 @@
+Fix broken `StubAccountInfo.list_bucket_names_ids()`.

test/unit/scan/test_folder.py

@@ -0,0 +1,46 @@
+######################################################################
+#
+# File: test/unit/scan/test_folder.py
+#
+# Copyright 2025 Backblaze Inc. All Rights Reserved.
+#
+# License https://www.backblaze.com/using_b2_code.html
+#
+######################################################################
+from __future__ import annotations
+
+import platform
+from pathlib import Path
+
+import pytest
+
+from b2sdk._internal.scan.exception import UnsupportedFilename
+from b2sdk._internal.scan.folder import LocalFolder
+
+
+@pytest.mark.skipif(
+    platform.system() == 'Windows',
+    reason="Windows doesn't allow / or \\ in filenames",
+)
+class TestFolder:
+    @pytest.fixture
+    def root_path(self, tmp_path: Path):
+        return tmp_path / 'dir'
+
+    @pytest.fixture
+    def folder(self, root_path: Path):
+        return LocalFolder(str(root_path))
+
+    @pytest.mark.parametrize('file_path_str', ['dir/foo.txt', 'dir/foo/bar.txt', 'foo.txt'])
+    def test_make_full_path(self, folder: LocalFolder, root_path: Path, file_path_str: str):
+        file_path = root_path / file_path_str
+        assert folder.make_full_path(str(file_path)) == str(root_path / file_path_str)
+
+    @pytest.mark.parametrize('file_path_str', ['invalid/test.txt', 'dirinvalid.txt'])
+    def test_make_full_path_invalid_prefix(
+        self, folder: LocalFolder, tmp_path: Path, file_path_str: str
+    ):
+        file_path = tmp_path / file_path_str
+
+        with pytest.raises(UnsupportedFilename):
+            folder.make_full_path(str(file_path))