Module upload_helpers 

Upload-related helper functions: MIME detection, timezone fixup, file timestamps.

Pure utility functions shared by the upload pipeline. Includes IANA timezone resolution from /etc/localtime or $TZ, ISO 8601 formatting, and filesystem timestamp normalization.

Functions

apply_asset_timezone_fixup 🔒

Make a PUT request to the server to update the timezone offset of a specific asset.

file_timestamps 🔒

Retrieve and normalize the creation and modification timestamps of a local file.

local_timezone_name 🔒

Resolve the user’s current local timezone name (IANA format) from system files or environment.

looks_like_iana_timezone 🔒

Check if the timezone name string strictly matches IANA zone style.

mime_for_path 🔒

Resolve the standard MIME type for a given local file path.

normalize_file_timestamps 🔒

Coalesce and normalize creation/modification timestamps using standard rules.

system_time_to_unix_secs 🔒

Convert a standard SystemTime to standard unix epoch seconds.

unix_to_utc_iso8601 🔒

Convert standard unix epoch seconds to standard UTC ISO 8601 formatted string.