Files: f290665018117a6552ca5b351599d8c48bd25e79 / router / async / normalise.js
1344 bytesRaw
| 1 | const nest = require('depnest') |
| 2 | const { isBlob, isFeed, isMsg } = require('ssb-ref') |
| 3 | |
| 4 | exports.gives = nest('router.async.normalise') |
| 5 | |
| 6 | exports.needs = nest({ |
| 7 | 'message.sync.unbox': 'first', |
| 8 | 'sbot.async.get': 'first' |
| 9 | }) |
| 10 | |
| 11 | exports.create = (api) => { |
| 12 | return nest('router.async.normalise', normalise) |
| 13 | |
| 14 | function normalise (location, cb) { |
| 15 | if (typeof location === 'object') { |
| 16 | cb(null, location) |
| 17 | return true |
| 18 | } |
| 19 | |
| 20 | // if someone has given you an annoying html encoded location |
| 21 | if (location.match(/^%25.*%3D.sha256$/)) { |
| 22 | location = decodeURIComponent(location) |
| 23 | } |
| 24 | |
| 25 | if (isMsg(location)) { |
| 26 | api.sbot.async.get(location, (err, value) => { |
| 27 | if (err) cb(err) |
| 28 | else { |
| 29 | if (typeof value.content === 'string') value = api.message.sync.unbox(value) |
| 30 | cb(null, {key: location, value}) |
| 31 | } |
| 32 | }) |
| 33 | } else if (isBlob(location)) cb(null, { blob: location }) |
| 34 | else if (isChannel(location)) cb(null, { channel: location }) |
| 35 | else if (isFeed(location)) cb(null, { feed: location }) |
| 36 | else if (isPage(location)) cb(null, { page: location.substring(1) }) |
| 37 | |
| 38 | return true |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | function isChannel (str) { |
| 43 | return typeof str === 'string' && str[0] === '#' && str.length > 1 |
| 44 | } |
| 45 | |
| 46 | function isPage (str) { |
| 47 | return typeof str === 'string' && str[0] === '/' && str.length > 1 |
| 48 | } |
| 49 |
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