git ssb

1
var pull = require('pull-stream')
2
var crypto = require('crypto')
3
var ref = require('ssb-ref')
4
var Reconnect = require('pull-reconnect')
5
6
7
function Hash (onHash) {
8
  var hash = crypto.createHash('sha256')
9
  return pull.through(function (data) {
10
    hash.update(
11
        'string' === typeof data
12
      ? new Buffer(data, 'utf8')
13
      : data
14
    )
15
  }, function (err) {
16
    if(err && !onHash) throw err
17
    onHash && onHash(err, '&'+hash.digest('base64')+'.sha256')
18
  })
19
}
20
//uncomment this to use from browser...
21
//also depends on having ssb-ws installed.
22
//var createClient = require('ssb-lite')
23
var createClient = require('ssb-client')
24
25
var createConfig = require('ssb-config/inject')
26
27
var createFeed   = require('ssb-feed')
28
var keys = require('./keys')
29
var ssbKeys = require('ssb-keys')
30
31
module.exports = function () {
32
  var opts = createConfig()
33
  var sbot = null
34
  var connection_status = []
35
36
37
  var rec = Reconnect(function (isConn) {
38
//    var remote
39
//    if('undefined' !== typeof localStorage)
40
//      remote = localStorage.remote
41
42
    function notify (value) {
43
      console.log('connection_status', value, connection_status)
44
      isConn(value); connection_status.forEach(function (fn) { fn(value) })
45
    }
46
47
    createClient(keys, {
48
      manifest: require('./manifest.json'),
49
      remote: require('./config')().remote
50
    }, function (err, _sbot) {
51
      if(err)
52
        return notify(err)
53
54
      sbot = _sbot
55
      sbot.on('closed', function () {
56
        sbot = null
57
        notify(new Error('closed'))
58
      })
59
60
      notify()
61
    })
62
  })
63
64
  var internal = {
65
    getLatest: rec.async(function (id, cb) {
66
      sbot.getLatest(id, cb)
67
    }),
68
    add: rec.async(function (msg, cb) {
69
      sbot.add(msg, cb)
70
    })
71
  }
72
73
  var feed = createFeed(internal, keys)
74
75
  return {
76
    connection_status: connection_status,
77
    sbot_blobs_add: rec.sink(function (cb) {
78
      return pull(
79
        Hash(cb),
80
        sbot.blobs.add()
81
      )
82
    }),
83
    sbot_links: rec.source(function (query) {
84
      return sbot.links(query)
85
    }),
86
    sbot_links2: rec.source(function (query) {
87
      return sbot.links2.read(query)
88
    }),
89
    sbot_query: rec.source(function (query) {
90
      return sbot.query.read(query)
91
    }),
92
    sbot_log: rec.source(function (opts) {
93
      return sbot.createLogStream(opts)
94
    }),
95
    sbot_user_feed: rec.source(function (opts) {
96
      return sbot.createUserStream(opts)
97
    }),
98
    sbot_get: rec.async(function (key, cb) {
99
      sbot.get(key, cb)
100
    }),
101
    sbot_publish: rec.async(function (content, cb) {
102
      if(content.recps)
103
        content = ssbKeys.box(content, content.recps.map(function (e) {
104
          return ref.isFeed(e) ? e : e.link
105
        }))
106
107
      feed.add(content, function (err, msg) {
108
        if(err) console.error(err)
109
        else if(!cb) console.log(msg)
110
        cb && cb(err, msg)
111
      })
112
    }),
113
    sbot_whoami: rec.async(function (cb) {
114
      sbot.whoami(cb)
115
    })
116
  }
117
}
118
119
120