1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
var http = require('http')
var memo = require('asyncmemo')
var lru = require('hashlru')
var pkg = require('../package')
var u = require('./util')
var pull = require('pull-stream')
var ssbAvatar = require('ssb-avatar')
var hasher = require('pull-hash/ext/ssb')
var multicb = require('multicb')
var Serve = require('./serve')
var Render = require('./render')
module.exports = App
function App(sbot, config) {
this.sbot = sbot
this.config = config
var conf = config.patchfoo || {}
this.port = conf.port || 8027
this.host = conf.host || '::1'
var base = conf.base || '/'
this.opts = {
base: base,
blob_base: conf.blob_base || conf.img_base || base,
img_base: conf.img_base || base,
emoji_base: conf.emoji_base || (base + 'emoji/'),
}
sbot.get = memo({cache: lru(100)}, sbot.get)
this.getMsg = memo({cache: lru(100)}, getMsgWithValue, sbot)
this.getAbout = memo({cache: this.aboutCache = lru(100)},
getAbout.bind(this), sbot, sbot.id)
this.unboxContent = memo({cache: lru(100)}, sbot.private.unbox)
this.reverseNameCache = lru(100)
this.unboxMsg = this.unboxMsg.bind(this)
this.render = new Render(this, this.opts)
}
App.prototype.go = function () {
var self = this
http.createServer(function (req, res) {
new Serve(self, req, res).go()
}).listen(self.port, self.host, function () {
self.log('Listening on http://' + self.host + ':' + self.port)
})
// invalidate cached About info when new About messages come in
pull(
self.sbot.links({rel: 'about', old: false, values: true}),
pull.drain(function (link) {
self.aboutCache.remove(link.dest)
}, function (err) {
if (err) self.error('about:', err)
})
)
}
var logPrefix = '[' + pkg.name + ']'
App.prototype.log = console.log.bind(console, logPrefix)
App.prototype.error = console.error.bind(console, logPrefix)
App.prototype.unboxMsg = function (msg, cb) {
var self = this
var c = msg.value && msg.value.content
if (typeof c !== 'string') cb(null, msg)
else self.unboxContent(c, function (err, content) {
if (err) {
self.error('unbox:', err)
return cb(null, msg)
} else if (content === false) {
return cb(null, msg)
}
var m = {}
for (var k in msg) m[k] = msg[k]
m.value = {}
for (var k in msg.value) m.value[k] = msg.value[k]
m.value.content = content
m.value.private = true
cb(null, m)
})
}
App.prototype.search = function (opts) {
var search = this.sbot.fulltext && this.sbot.fulltext.search
if (!search) return pull.error(new Error('Missing fulltext search plugin'))
return search(opts)
}
App.prototype.getMsgDecrypted = function (key, cb) {
var self = this
this.getMsg(key, function (err, msg) {
if (err) return cb(err)
self.unboxMsg(msg, cb)
})
}
App.prototype.publish = function (content, cb) {
if (Array.isArray(content.recps)) {
recps = content.recps.map(u.linkDest)
this.sbot.private.publish(content, recps, cb)
} else {
this.sbot.publish(content, cb)
}
}
App.prototype.addBlob = function (cb) {
var done = multicb({pluck: 1, spread: true})
var hashCb = done()
var addCb = done()
done(function (err, hash, add) {
cb(err, hash)
})
return pull(
hasher(hashCb),
this.sbot.blobs.add(addCb)
)
}
App.prototype.pushBlob = function (id, cb) {
console.error('pushing blob', id)
this.sbot.blobs.push(id, cb)
}
App.prototype.getReverseNameSync = function (name) {
var id = this.reverseNameCache.get(name)
return id
}
function getMsgWithValue(sbot, id, cb) {
sbot.get(id, function (err, value) {
if (err) return cb(err)
cb(null, {key: id, value: value})
})
}
function getAbout(sbot, src, id, cb) {
var self = this
ssbAvatar(sbot, src, id, function (err, about) {
if (err) return cb(err)
var sigil = id && id[0] || '@'
if (about.name && about.name[0] !== sigil) {
about.name = sigil + about.name
}
self.reverseNameCache.set(about.name, id)
cb(null, about)
})
}
App.prototype.createLogStream = function (opts) {
opts = opts || {}
return opts.sortByTimestamp
? this.sbot.createFeedStream(opts)
: this.sbot.createLogStream(opts)
}
var stateVals = {
connected: 3,
connecting: 2,
disconnecting: 1,
}
function comparePeers(a, b) {
var aState = stateVals[a.state] || 0
var bState = stateVals[b.state] || 0
return bState > aState ? 1 : bState < aState ? -1 :
b.stateChange - a.stateChange
}
App.prototype.streamPeers = function (opts) {
var gossip = this.sbot.gossip
return u.readNext(function (cb) {
gossip.peers(function (err, peers) {
if (err) return cb(err)
if (opts) peers = peers.filter(function (peer) {
for (var k in opts) if (opts[k] !== peer[k]) return false
return true
})
peers.sort(comparePeers)
cb(null, pull.values(peers))
})
})
}
|
