git ssb

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var ref = require('ssb-ref')
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var ssbClient = require('ssb-client')
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var id = require('../keys').id
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var h = require('hyperscript')
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var Progress = require('hyperprogress')
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var plugs = require('../plugs')
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var sbot_publish = plugs.first(exports.sbot_publish = [])
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//check that invite is 
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// ws:...~shs:key:seed
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function parseMultiServerInvite (invite) {
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  var redirect = invite.split('#')
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  if(!redirect.length) return null
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  var parts = redirect[0].split('~')
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  .map(function (e) { return e.split(':') })
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  if(parts.length !== 2) return null
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  if(!/^(net|wss?)$/.test(parts[0][0])) return null
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  if(parts[1][0] !== 'shs') return null
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  if(parts[1].length !== 3) return null
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  var p2 = invite.split(':')
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  p2.pop()
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  return {
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    invite: redirect[0],
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    remote: p2.join(':'),
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    redirect: '#' + redirect.slice(1).join('#')
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  }
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}
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exports.screen_view = function (invite) {
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  var data = parseMultiServerInvite(invite)
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  if(!data) return
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  var progress = Progress(4)
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  //connect to server
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  //request follow
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  //post pub announce
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  //post follow pub
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  var div = h('div.column',
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    h('div',
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      "you have been invited to join:", h('br'),
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      h('code', data.invite)
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    ),
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    h('button', 'accept', {onclick: attempt}),
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    progress
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  )
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  function attempt  () {
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    progress.reset().next('connecting...')
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    ssbClient(null, {
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      remote: data.invite,
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      manifest: { invite: {use: 'async'}, getAddress: 'async' }
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    }, function (err, sbot) {
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      if(err) return progress.fail(err)
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      progress.next('requesting follow...')
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      sbot.invite.use({feed: id}, function (err, msg) {
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        if(err) return progress.fail(err)
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        progress.next('following...')
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        //remove the seed from the shs address.
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        //then it's correct address.
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        //this should make the browser connect to this as remote.
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        //we don't want to do this if when using this locally, though.
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        if(process.title === 'browser')
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          localStorage.remote = data.remote
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        sbot_publish({
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          type: 'contact',
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          contact: sbot.id,
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          following: true,
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        }, function (err) {
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          if(err) return progress.fail(err)
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          progress.complete()
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          //check for redirect
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          var parts = location.hash.substring(1).split('#')
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          //TODO: handle in a consistent way with either hashrouting
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          //or with tabs...
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          if(parts[0] === data.invite)
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            location.hash = data.redirect
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          else
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            console.log("NO REDIRECT")
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        })
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      })
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    })
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  }
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  // If we are in the browser,
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  // and do not already have a remote set, automatically trigger the invite.
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  if(process.title == 'browser' && !localStorage.remote) attempt()
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  return div
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}
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