mirror of
https://github.com/fluencelabs/js-multiaddr-to-uri
synced 2024-12-04 21:10:18 +00:00
adda9366c1
This makes multiaddrs ending with `/tcp/8080` to default to HTTP unless an explicit assumeHttp: false is passed. We also skip default ports for HTTP and HTTPS in the URL. Motivation: https://github.com/ipfs/js-ipfs/pull/2358#issue-307463029 License: MIT Signed-off-by: Marcin Rataj <lidel@lidel.org>
59 lines
1.9 KiB
JavaScript
59 lines
1.9 KiB
JavaScript
const Multiaddr = require('multiaddr')
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const reduceValue = (_, v) => v
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const tcpUri = (str, port, parts, opts) => {
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// return tcp when explicitly requested
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if (opts && opts.assumeHttp === false) return `tcp://${str}:${port}`
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// check if tcp is the last protocol in multiaddr
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let protocol = 'tcp'
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let explicitPort = `:${port}`
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const last = parts[parts.length - 1]
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if (last.protocol === 'tcp') {
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// assume http and produce clean urls
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protocol = port === 443 ? 'https' : 'http'
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explicitPort = port === 443 || port === 80 ? '' : explicitPort
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}
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return `${protocol}://${str}${explicitPort}`
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}
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const Reducers = {
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ip4: reduceValue,
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ip6: (str, content, i, parts) => (
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parts.length === 1 && parts[0].protocol === 'ip6'
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? content
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: `[${content}]`
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),
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tcp: (str, content, i, parts, opts) => (
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parts.some(p => ['http', 'https', 'ws', 'wss'].includes(p.protocol))
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? `${str}:${content}`
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: tcpUri(str, content, parts, opts)
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),
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udp: (str, content) => `udp://${str}:${content}`,
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dnsaddr: reduceValue,
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dns4: reduceValue,
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dns6: reduceValue,
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ipfs: (str, content) => `${str}/ipfs/${content}`,
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p2p: (str, content) => `${str}/p2p/${content}`,
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http: str => `http://${str}`,
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https: str => `https://${str}`,
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ws: str => `ws://${str}`,
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wss: str => `wss://${str}`,
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'p2p-websocket-star': str => `${str}/p2p-websocket-star`,
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'p2p-webrtc-star': str => `${str}/p2p-webrtc-star`,
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'p2p-webrtc-direct': str => `${str}/p2p-webrtc-direct`
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}
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module.exports = (multiaddr, opts) => (
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Multiaddr(multiaddr)
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.stringTuples()
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.map(tuple => ({
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protocol: Multiaddr.protocols.codes[tuple[0]].name,
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content: tuple[1]
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}))
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.reduce((str, part, i, parts) => {
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const reduce = Reducers[part.protocol]
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if (!reduce) throw new Error(`Unsupported protocol ${part.protocol}`)
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return reduce(str, part.content, i, parts, opts)
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}, '')
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)
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