Files: d3826fa5570d6a70af4cd9401fe6f9284ec0ef5c / lib / depject / sbot.js
7664 bytesRaw
1 | const pull = require('pull-stream') |
2 | const defer = require('pull-defer') |
3 | const { Value, onceTrue, watch, Set: MutantSet } = require('mutant') |
4 | const ref = require('ssb-ref') |
5 | const Reconnect = require('pull-reconnect') |
6 | const createClient = require('ssb-client') |
7 | const nest = require('depnest') |
8 | const ssbKeys = require('ssb-keys') |
9 | const flat = require('flat') |
10 | const extend = require('xtend') |
11 | const pullResume = require('../pull-resume') |
12 | |
13 | exports.needs = nest({ |
14 | 'config.sync.load': 'first', |
15 | 'keys.sync.load': 'first', |
16 | 'sbot.obs.connectionStatus': 'first', |
17 | 'sbot.hook.publish': 'map', |
18 | 'progress.obs.indexes': 'first' |
19 | }) |
20 | |
21 | exports.gives = { |
22 | sbot: { |
23 | sync: { |
24 | cache: true |
25 | }, |
26 | async: { |
27 | get: true, |
28 | publish: true, |
29 | addBlob: true, |
30 | connConnect: true, |
31 | connRememberConnect: true, |
32 | friendsGet: true, |
33 | acceptDHT: true |
34 | }, |
35 | pull: { |
36 | log: true, |
37 | userFeed: true, |
38 | messagesByType: true, |
39 | feed: true, |
40 | links: true, |
41 | backlinks: true, |
42 | stream: true, |
43 | resumeStream: true |
44 | }, |
45 | obs: { |
46 | connectionStatus: true, |
47 | connection: true, |
48 | connectedPeers: true, |
49 | localPeers: true, |
50 | stagedPeers: true |
51 | } |
52 | } |
53 | } |
54 | |
55 | exports.create = function (api) { |
56 | const config = api.config.sync.load() |
57 | const keys = api.keys.sync.load() |
58 | const cache = {} |
59 | |
60 | let sbot = null |
61 | const connection = Value() |
62 | const connectionStatus = Value() |
63 | const connectedPeers = MutantSet() |
64 | const localPeers = MutantSet() |
65 | const stagedPeers = MutantSet() |
66 | |
67 | const rec = Reconnect(function (isConn) { |
68 | function notify (value) { |
69 | isConn(value); connectionStatus.set(value) |
70 | } |
71 | |
72 | const opts = { |
73 | path: config.path, |
74 | remote: config.remote, |
75 | host: config.host, |
76 | port: config.port, |
77 | key: config.key, |
78 | appKey: config.caps.shs, |
79 | timers: config.timers, |
80 | caps: config.caps, |
81 | friends: config.friends |
82 | } |
83 | |
84 | createClient(keys, opts, function (err, _sbot) { |
85 | if (err) { |
86 | return notify(err) |
87 | } |
88 | |
89 | sbot = _sbot |
90 | sbot.on('closed', function () { |
91 | sbot = null |
92 | connection.set(null) |
93 | notify(new Error('closed')) |
94 | }) |
95 | |
96 | connection.set(sbot) |
97 | notify() |
98 | }) |
99 | }) |
100 | |
101 | watch(connection, (sbot) => { |
102 | if (sbot) { |
103 | pull( |
104 | sbot.conn.peers(), |
105 | pull.drain(entries => { |
106 | var peers = entries.filter(([, x]) => !!x.key).map(([address, data]) => ({ address, data })) |
107 | localPeers.set(peers.filter(peer => peer.data.type === 'lan')) |
108 | connectedPeers.set(peers.filter(peer => peer.data.state === 'connected')) |
109 | }) |
110 | ) |
111 | |
112 | pull( |
113 | sbot.conn.stagedPeers(), |
114 | pull.drain(entries => { |
115 | var peers = entries.filter(([, x]) => !!x.key).map(([address, data]) => ({ address, data })) |
116 | stagedPeers.set(peers) |
117 | }) |
118 | ) |
119 | } |
120 | }) |
121 | |
122 | return { |
123 | sbot: { |
124 | sync: { |
125 | cache: () => cache |
126 | }, |
127 | async: { |
128 | get: rec.async(function (key, cb) { |
129 | if (typeof cb !== 'function') { |
130 | throw new Error('cb must be function') |
131 | } |
132 | if (cache[key]) cb(null, cache[key]) |
133 | else { |
134 | const options = typeof key === 'string' |
135 | ? { private: true, id: key } |
136 | : key |
137 | |
138 | sbot.get(options, function (err, value) { |
139 | if (err) return cb(err) |
140 | runHooks({ key, value }) |
141 | cb(null, value) |
142 | }) |
143 | } |
144 | }), |
145 | publish: rec.async((content, cb) => { |
146 | const indexes = api.progress.obs.indexes() |
147 | const progress = indexes() |
148 | const pending = progress.target - progress.current || 0 |
149 | |
150 | if (pending) { |
151 | const err = new Error('Cowardly refusing to publish your message while database is still indexing. Please try again once indexing is finished.') |
152 | |
153 | if (typeof cb === 'function') { |
154 | return cb(err) |
155 | } else { |
156 | console.error(err.toString()) |
157 | return |
158 | } |
159 | } |
160 | |
161 | if (content.recps) { |
162 | content = ssbKeys.box(content, content.recps.map(e => { |
163 | return ref.isFeed(e) ? e : e.link |
164 | })) |
165 | } else { |
166 | const flatContent = flat(content) |
167 | Object.keys(flatContent).forEach(key => { |
168 | const val = flatContent[key] |
169 | if (ref.isBlob(val)) { |
170 | sbot.blobs.push(val, err => { |
171 | if (err) console.error(err) |
172 | }) |
173 | } |
174 | }) |
175 | } |
176 | |
177 | if (sbot) { |
178 | // instant updating of interface (just incase sbot is busy) |
179 | runHooks({ |
180 | publishing: true, |
181 | timestamp: Date.now(), |
182 | value: { |
183 | timestamp: Date.now(), |
184 | author: keys.id, |
185 | content |
186 | } |
187 | }) |
188 | } |
189 | |
190 | sbot.publish(content, (err, msg) => { |
191 | if (err) console.error(err) |
192 | else if (!cb) console.log(msg) |
193 | cb && cb(err, msg) |
194 | }) |
195 | }), |
196 | addBlob: rec.async((stream, cb) => { |
197 | return pull( |
198 | stream, |
199 | sbot.blobs.add(cb) |
200 | ) |
201 | }), |
202 | connConnect: rec.async(function (address, data, cb) { |
203 | sbot.conn.connect(address, data, cb) |
204 | }), |
205 | connRememberConnect: rec.async(function (address, data, cb) { |
206 | sbot.conn.remember(address, { autoconnect: true, ...data }, (err) => { |
207 | if (err) cb(err) |
208 | else sbot.conn.connect(address, data, cb) |
209 | }) |
210 | }), |
211 | friendsGet: rec.async(function (opts, cb) { |
212 | sbot.friends.get(opts, cb) |
213 | }), |
214 | acceptDHT: rec.async(function (opts, cb) { |
215 | sbot.dhtInvite.accept(opts, cb) |
216 | }) |
217 | }, |
218 | pull: { |
219 | backlinks: rec.source(query => { |
220 | return sbot.backlinks.read(query) |
221 | }), |
222 | userFeed: rec.source(opts => { |
223 | return sbot.createUserStream(opts) |
224 | }), |
225 | messagesByType: rec.source(opts => { |
226 | return sbot.messagesByType(opts) |
227 | }), |
228 | feed: rec.source(function (opts) { |
229 | return pull( |
230 | sbot.createFeedStream(opts), |
231 | pull.through(runHooks) |
232 | ) |
233 | }), |
234 | log: rec.source(opts => { |
235 | return pull( |
236 | sbot.createLogStream(opts), |
237 | pull.through(runHooks) |
238 | ) |
239 | }), |
240 | links: rec.source(function (query) { |
241 | return sbot.links(query) |
242 | }), |
243 | stream: function (fn) { |
244 | const stream = defer.source() |
245 | onceTrue(connection, function (connection) { |
246 | stream.resolve(fn(connection)) |
247 | }) |
248 | return stream |
249 | }, |
250 | resumeStream: function (fn, baseOpts) { |
251 | return function (opts) { |
252 | const stream = defer.source() |
253 | onceTrue(connection, function (connection) { |
254 | stream.resolve(pullResume.remote((opts) => { |
255 | return fn(connection, opts) |
256 | }, extend(baseOpts, opts))) |
257 | }) |
258 | return stream |
259 | } |
260 | } |
261 | }, |
262 | obs: { |
263 | connectionStatus: (listener) => connectionStatus(listener), |
264 | connection, |
265 | connectedPeers: () => connectedPeers, |
266 | localPeers: () => localPeers, |
267 | stagedPeers: () => stagedPeers |
268 | } |
269 | } |
270 | } |
271 | |
272 | // scoped |
273 | |
274 | function runHooks (msg) { |
275 | if (msg.publishing) { |
276 | api.sbot.hook.publish(msg) |
277 | } else if (!cache[msg.key]) { |
278 | // cache[msg.key] = msg.value |
279 | // api.sbot.hook.feed(msg) |
280 | } |
281 | } |
282 | } |
283 |
Built with git-ssb-web