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util.paseto: Implementation of PASETO v4.public tokens
PASETO provides an alternative to JWT with the promise of fewer implementation
pitfalls. The v4.public algorithm allows asymmetric cryptographically-verified
token issuance and validation.
In summary, such tokens can be issued by one party and securely verified by
any other party independently using the public key of the issuer. This has a
number of potential applications in a decentralized network and ecosystem such
as XMPP. For example, such tokens could be combined with XEP-0317 to allow
hats to be verified even in the context of a third-party MUC service.
author | Matthew Wild <mwild1@gmail.com> |
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date | Fri, 24 Jun 2022 17:03:28 +0100 |
parent | 8728:41c959c5c84b |
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Structure of a session: session { -- properties -- conn -- the tcp connection notopen -- true if stream has not been initiated, removed after receiving <stream:steam> type -- the connection type. Valid values include: -- "c2s_unauthed" - connection has not been authenticated yet -- "c2s" - from a local client to the server username -- the node part of the client's jid (not defined before auth) host -- the host part of the client's jid (not defined before stream initiation) resource -- the resource part of the client's full jid (not defined before resource binding) full_jid -- convenience for the above 3 as string in username@host/resource form (not defined before resource binding) priority -- the resource priority, default: 0 presence -- the last non-directed presence with no type attribute. initially nil. reset to nil on unavailable presence. interested -- true if the resource requested the roster. Interested resources receive roster updates. Initially nil. roster -- the user's roster. Loaded as soon as the resource is bound (session becomes a connected resource). -- methods -- send(x) -- converts x to a string, and writes it to the connection close(x) -- Disconnect the user and clean up the session, best call sessionmanager.destroy_session() instead of this in most cases } if session.full_jid (also session.roster and session.resource) then this is a "connected resource" if session.presence then this is an "available resource" (all available resources are connected resources) if session.interested then this is an "interested resource" (all interested resources are connected resources)