jabber client library

• luz: the client. sends and receives messages. contains a message/user store.

TODO:

• error states for all negotiation parts
• better errors
• rename structs
• remove commented code
• asynchronous connect (with take_mut?)
• split into separate crates: stanza, jabber, and luz
• use nom for better jid parsing

specs:

• rfc 6120: core
• rfc 6121: im
• rfc 7590: tls
• xep-0368: srv records for xmpp over tls
• server side downgrade protection for sasl
• xep-0030: service discovery
• xep-0115: entity capabilities
• xep-0163: pep
• xep-0245: /me
• xep-0084: user avatar
• xep-0172: user nickname
• xep-0280: message carbons
• xep-0191: blocking
• xep-0222: public data via pubsub
• xep-0223: private data via pubsub
• xep-0313: mam
• xep-0198: stream management
• xep-0085: chat state notifications
• xep-0428: fallback indication
• xep-0359: unique and stable stanza ids
• xep-0424: message retraction
• xep-0352: client state indication
• xep-0166: jingle
• xep-0292: vcard4
• xep-0184: message delivery receipts
• xep-0060: pubsub
• xep-0100: gateway interation

calls:

• xep-0167: jingle rtp sessions
• xep-0353: jingle message initiation
• xep-0176: jingle ice-udp transport
• xep-0320: use of dtls-srtp in jingle sessions
• xep-0215: external service discovery (stun/turn)
• xep-0293: jingle rtp feedback negotiation
• xep-0294: jingle trp header extensions negotiation
• xep-0338: jingle grouping framework
• xep-0339: source-specific media attributes in jingle
• xep-0402: pep native bookmarks

mix:

• xep-0369: mix

e2ee:

• xep-0380: explicit message encryption
• xep-0420: stanza content encryption
• xep-0384: omemo
• xep-0396: jingle encrypted transports omemo

file/media sharing (further research needed):

• xep-0363: http file upload
• xep-0385: stateless inline media sharing
• xep-0066: out of band data
• xep-0261: jingle in-band bytestreams
• xep-0234: jingle file transfer

need more research:

• message editing
  • xep-0308: last message correction (should not be used for older than last message according to spec)
• chat read markers
  • xep-0333: displayed markers
• message styling
  • xep-0393: message styling

will prioritise new spec instead of:

• muc
  • xep-0045: muc
  • xep-0249: direct muc invitations
  • xep-0410: muc self-ping
• vcard legacy
  • xep-0398: user avatar compat
  • xep-0153: vcard avatars
  • xep-0054: vcard-temp
• legacy bookmarks
  • xep-0048: legacy bookmarks
  • xep-0049: private xml storage

later (nice to have):

• xep-0077: in-band registration
• xep-0157: contact addresses
• xep-0455: service outage status
• web compliance: rfc 7395, xep-0206, xep-0124, xep-0156
• mobile compliance
  • xep-0357: push notifications
  • xep-0286: mobile considerations
• client connection optimisations
  • xep-0386: bind 2.0
  • xep-0409: im routing-ng
  • xep-0397: instant stream resumption
  • xep-0390: entity capabilities 2.0
• improved on-boarding
  • xep-0401: easy user onboarding
  • xep-0379: pre-authenticated roster subscription
  • xep-0445: pre-authenticated in-band registration
• portability
  • xep-0227: portable import-export
  • xep-0283: moved
• modern auth
  • xep-0388: extensible sasl profile (sasl 2.0)
  • xep-xxxx: oauth client login
  • xep-xxxx: client access management