Returns a Session capable of performing cross-region S3 bucket accesses (i.e.

This function returns the s3 endpoint specified by the user in appconfig.

ParseAmazonS3URL parses an HTTP/HTTPS URL for an S3 resource and returns an AmazonS3URL object.

cn- is a prefix for China region.

AmazonS3URL holds interesting pieces after parsing a s3 URL.

HttpProviderImpl provides http capabilities.