mirror of
https://github.com/webtorrent/bittorrent-tracker.git
synced 2024-12-14 11:26:25 +00:00
9962d31e69
i was just reading the source and noticed this, if there is some reason it won't work please let me know
76 lines
2.1 KiB
JavaScript
76 lines
2.1 KiB
JavaScript
/**
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* Functions/constants needed by both the client and server (but only in node).
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* These are separate from common.js so they can be skipped when bundling for the browser.
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*/
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var Buffer = require('safe-buffer').Buffer
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var querystring = require('querystring')
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exports.IPV4_RE = /^[\d.]+$/
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exports.IPV6_RE = /^[\da-fA-F:]+$/
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exports.REMOVE_IPV4_MAPPED_IPV6_RE = /^::ffff:/
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exports.CONNECTION_ID = Buffer.concat([ toUInt32(0x417), toUInt32(0x27101980) ])
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exports.ACTIONS = { CONNECT: 0, ANNOUNCE: 1, SCRAPE: 2, ERROR: 3 }
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exports.EVENTS = { update: 0, completed: 1, started: 2, stopped: 3 }
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exports.EVENT_IDS = {
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0: 'update',
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1: 'completed',
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2: 'started',
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3: 'stopped'
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}
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exports.EVENT_NAMES = {
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update: 'update',
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completed: 'complete',
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started: 'start',
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stopped: 'stop'
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}
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/**
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* Client request timeout. How long to wait before considering a request to a
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* tracker server to have timed out.
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*/
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exports.REQUEST_TIMEOUT = 15000
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/**
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* Client destroy timeout. How long to wait before forcibly cleaning up all
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* pending requests, open sockets, etc.
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*/
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exports.DESTROY_TIMEOUT = 1000
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function toUInt32 (n) {
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var buf = Buffer.allocUnsafe(4)
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buf.writeUInt32BE(n, 0)
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return buf
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}
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exports.toUInt32 = toUInt32
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/**
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* `querystring.parse` using `unescape` instead of decodeURIComponent, since bittorrent
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* clients send non-UTF8 querystrings
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* @param {string} q
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* @return {Object}
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*/
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exports.querystringParse = function (q) {
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var saved = querystring.unescape
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querystring.unescape = unescape // global
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var ret = querystring.parse(q)
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querystring.unescape = saved
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return ret
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}
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/**
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* `querystring.stringify` using `escape` instead of encodeURIComponent, since bittorrent
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* clients send non-UTF8 querystrings
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* @param {Object} obj
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* @return {string}
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*/
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exports.querystringStringify = function (obj) {
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var ret = querystring.stringify(obj, { encodeURIComponent: escape })
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ret = ret.replace(/[@*/+]/g, function (char) {
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// `escape` doesn't encode the characters @*/+ so we do it manually
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return '%' + char.charCodeAt(0).toString(16).toUpperCase()
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})
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return ret
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}
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