Module utils 

Shared utilities for the S3 service.

Provides ID generation, timestamp helpers, range-header parsing, conditional-request matching, continuation-token encoding, and XML escaping functions.

Functions

decode_continuation_token

Decode a base64 continuation token back to an object key.

encode_continuation_token

Encode an object key as a base64 continuation token.

generate_request_id

Generate a unique request ID (UUID v4 without dashes).

generate_upload_id

Generate a random upload ID for multipart uploads.

generate_version_id

Generate a random version ID suitable for S3 versioned objects.

is_valid_if_match

Check whether the given ETag satisfies an If-Match condition.

is_valid_if_none_match

Check whether the given ETag satisfies an If-None-Match condition.

parse_copy_source

Parse the x-amz-copy-source header value into bucket, key, and optional version ID components.

parse_range_header

Parse an HTTP Range header value and return the inclusive byte range.

timestamp_millis

Return the current UTC time as milliseconds since the Unix epoch.

timestamp_rfc3339

Return the current UTC time formatted as an RFC 3339 string.

xml_escape

Escape a string for safe inclusion in XML content.