git ssb

1
const nest = require('depnest')
2
const { isBlobLink, isFeed, isMsg, parseLink } = require('ssb-ref')
3
const ssbUri = require('ssb-uri')
4
5
exports.gives = nest('router.async.normalise')
6
7
exports.needs = nest({
8
  'message.sync.unbox': 'first',
9
  'sbot.async.get': 'first'
10
})
11
12
exports.create = (api) => {
13
  return nest('router.async.normalise', normalise)
14
15
  function normalise (location, cb) {
16
    if (typeof location === 'object') {
17
      cb(null, location)
18
      return true
19
    }
20
21
    // if someone has given you an annoying html encoded location
22
    if (location.match(/^%25.*%3D.sha256$/)) {
23
      location = decodeURIComponent(location)
24
    }
25
26
    if (location.startsWith('ssb:')) {
27
      try {
28
        location = ssbUri.toSigilLink(location)
29
      } catch (err) {
30
        cb(err)
31
      }
32
    }
33
34
    var link = parseLink(location)
35
36
    if (link && isMsg(link.link)) {
37
      var params = { id: link.link }
38
      if (link.query && link.query.unbox) {
39
        params.private = true
40
        params.unbox = link.query.unbox
41
      }
42
      api.sbot.async.get(params, function (err, value) {
43
        if (err) cb(err)
44
        else {
45
          if (typeof value.content === 'string') value = api.message.sync.unbox(value)
46
          cb(null, { key: link.link, value })
47
        }
48
      })
49
    } else if (isBlobLink(location)) {
50
      // handles public & private blobs
51
      // TODO - parse into link and query?
52
      cb(null, { blob: location })
53
    } else if (isChannelMulti(location)) cb(null, { channels: location.split('+') })
54
    else if (isChannel(location)) cb(null, { channel: location })
55
    else if (isFeed(location)) cb(null, { feed: location })
56
    else if (isPage(location)) cb(null, { page: location.substring(1) })
57
    else if (isSearch(location)) cb(null, { page: 'search', query: location.substring(1) })
58
59
    return true
60
  }
61
}
62
63
function isChannelMulti (str) {
64
  if (typeof str !== 'string') return false
65
66
  const channels = str.split('+')
67
  return channels.length > 1 && channels.every(isChannel)
68
}
69
70
function isChannel (str) {
71
  return typeof str === 'string' && str[0] === '#' && str.length > 1
72
}
73
74
function isPage (str) {
75
  return typeof str === 'string' && str[0] === '/' && str.length > 1
76
}
77
78
function isSearch (str) {
79
  return typeof str === 'string' && str[0] === '?' && str.length > 1
80
}
81