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
35
  var rec = Reconnect(function (isConn) {
36
    var remote
37
    if('undefined' !== typeof localStorage)
38
      remote = localStorage.remote
39
40
    createClient(keys, {
41
      manifest: require('./manifest.json'),
42
      remote: remote
43
    }, function (err, _sbot) {
44
      if(err) {
45
        console.error(err.stack)
46
        isConn(err)
47
        return
48
      }
49
      sbot = _sbot
50
      sbot.on('closed', function () {
51
        sbot = null
52
        isConn(new Error('closed'))
53
      })
54
      isConn()
55
    })
56
  })
57
58
  var internal = {
59
    getLatest: rec.async(function (id, cb) {
60
      sbot.getLatest(id, cb)
61
    }),
62
    add: rec.async(function (msg, cb) {
63
      sbot.add(msg, cb)
64
    })
65
  }
66
67
  var feed = createFeed(internal, keys)
68
69
  return {
70
    sbot_blobs_add: rec.sink(function (cb) {
71
      return pull(
72
        Hash(cb),
73
        sbot.blobs.add()
74
      )
75
    }),
76
    sbot_links: rec.source(function (query) {
77
      return sbot.links(query)
78
    }),
79
    sbot_links2: rec.source(function (query) {
80
      return sbot.links2.read(query)
81
    }),
82
    sbot_query: rec.source(function (query) {
83
      return sbot.query.read(query)
84
    }),
85
    sbot_log: rec.source(function (opts) {
86
      return sbot.createLogStream(opts)
87
    }),
88
    sbot_user_feed: rec.source(function (opts) {
89
      return sbot.createUserStream(opts)
90
    }),
91
    sbot_get: rec.async(function (key, cb) {
92
      sbot.get(key, cb)
93
    }),
94
    sbot_publish: rec.async(function (content, cb) {
95
      if(content.recps)
96
        content = ssbKeys.box(content, content.recps.map(function (e) {
97
          return ref.isFeed(e) ? e : e.link
98
        }))
99
100
      feed.add(content, function (err, msg) {
101
        if(err) console.error(err)
102
        else if(!cb) console.log(msg)
103
        cb && cb(err, msg)
104
      })
105
    }),
106
    sbot_whoami: rec.async(function (cb) {
107
      sbot.whoami(cb)
108
    })
109
  }
110
}
111
112
113
114
115