The Salmon Protocol is an open, simple, standards-based solution that lets aggregators and sources unify the conversations. In OStatus, Salmon is used as the messaging transport for comments, replies, and notifications between users. Spec: http://salmon-protocol.googlecode.com/svn/trunk/draft-panzer-salmon-00.html
unpack(body, callback)
Given a magic envelope serialized in XML, returns its JSON serialization, also taking care of removing whitespaces of the base64url encoded strings.
base64url_decode(input)
Synchronous call. Decodes a Base64url encoded string.
base64url_encode(input)
Synchronous call. Encodes a string to a Base64url format.