mirror of
https://github.com/webtorrent/bittorrent-tracker.git
synced 2024-12-13 19:06:27 +00:00
03bed33457
This PR merges webtorrent-tracker into this repo. Keeping the code in
sync between the two repos was becoming burdensome. This change should
not effect performance of the server since the webtorrent tracker is
disabled by default.
To enable the webtorrent tracker (disabled by default), do:
```js
var server = new Server({ ws: true })
```
57 lines
1.9 KiB
JavaScript
57 lines
1.9 KiB
JavaScript
module.exports = parseHttpRequest
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var common = require('./common')
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var REMOVE_IPV4_MAPPED_IPV6_RE = /^::ffff:/
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function parseHttpRequest (req, opts) {
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if (!opts) opts = {}
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var s = req.url.split('?')
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var params = common.querystringParse(s[1])
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if (opts.action === 'announce' || s[0] === '/announce') {
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params.action = common.ACTIONS.ANNOUNCE
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if (typeof params.info_hash !== 'string' || params.info_hash.length !== 20) {
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throw new Error('invalid info_hash')
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}
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params.info_hash = common.binaryToHex(params.info_hash)
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if (typeof params.peer_id !== 'string' || params.peer_id.length !== 20) {
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throw new Error('invalid peer_id')
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}
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params.peer_id = common.binaryToHex(params.peer_id)
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params.port = Number(params.port)
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if (!params.port) throw new Error('invalid port')
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params.left = Number(params.left) || Infinity
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params.compact = Number(params.compact) || 0
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params.numwant = Math.min(
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Number(params.numwant) || common.DEFAULT_ANNOUNCE_PEERS,
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common.MAX_ANNOUNCE_PEERS
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)
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params.ip = opts.trustProxy
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? req.headers['x-forwarded-for'] || req.connection.remoteAddress
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: req.connection.remoteAddress.replace(REMOVE_IPV4_MAPPED_IPV6_RE, '') // force ipv4
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params.addr = (common.IPV6_RE.test(params.ip) ? '[' + params.ip + ']' : params.ip) + ':' + params.port
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} else if (opts.action === 'scrape' || s[0] === '/scrape') {
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params.action = common.ACTIONS.SCRAPE
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if (typeof params.info_hash === 'string') params.info_hash = [ params.info_hash ]
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if (Array.isArray(params.info_hash)) {
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params.info_hash = params.info_hash.map(function (binaryInfoHash) {
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if (typeof binaryInfoHash !== 'string' || binaryInfoHash.length !== 20) {
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throw new Error('invalid info_hash')
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}
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return common.binaryToHex(binaryInfoHash)
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})
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}
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} else {
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throw new Error('invalid action in HTTP request: ' + params.action)
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}
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return params
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}
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