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author | Tekky <98614666+xtekky@users.noreply.github.com> | 2023-10-28 09:22:33 +0200 |
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committer | GitHub <noreply@github.com> | 2023-10-28 09:22:33 +0200 |
commit | 1a3b59838e21b98b5cfcafddf1737afb25129cfe (patch) | |
tree | b9c645cbe897af198ea0551509f901a249af35f2 /g4f/Provider/npm/node_modules/@fastify/busboy/deps/dicer/lib/HeaderParser.js | |
parent | Merge pull request #1176 from hlohaus/history (diff) | |
parent | Add arkose_token to OpenaiChat (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | g4f/Provider/npm/node_modules/@fastify/busboy/deps/dicer/lib/HeaderParser.js | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/g4f/Provider/npm/node_modules/@fastify/busboy/deps/dicer/lib/HeaderParser.js b/g4f/Provider/npm/node_modules/@fastify/busboy/deps/dicer/lib/HeaderParser.js new file mode 100644 index 00000000..65f667b5 --- /dev/null +++ b/g4f/Provider/npm/node_modules/@fastify/busboy/deps/dicer/lib/HeaderParser.js @@ -0,0 +1,100 @@ +'use strict' + +const EventEmitter = require('node:events').EventEmitter +const inherits = require('node:util').inherits +const getLimit = require('../../../lib/utils/getLimit') + +const StreamSearch = require('../../streamsearch/sbmh') + +const B_DCRLF = Buffer.from('\r\n\r\n') +const RE_CRLF = /\r\n/g +const RE_HDR = /^([^:]+):[ \t]?([\x00-\xFF]+)?$/ // eslint-disable-line no-control-regex + +function HeaderParser (cfg) { + EventEmitter.call(this) + + cfg = cfg || {} + const self = this + this.nread = 0 + this.maxed = false + this.npairs = 0 + this.maxHeaderPairs = getLimit(cfg, 'maxHeaderPairs', 2000) + this.maxHeaderSize = getLimit(cfg, 'maxHeaderSize', 80 * 1024) + this.buffer = '' + this.header = {} + this.finished = false + this.ss = new StreamSearch(B_DCRLF) + this.ss.on('info', function (isMatch, data, start, end) { + if (data && !self.maxed) { + if (self.nread + end - start >= self.maxHeaderSize) { + end = self.maxHeaderSize - self.nread + start + self.nread = self.maxHeaderSize + self.maxed = true + } else { self.nread += (end - start) } + + self.buffer += data.toString('binary', start, end) + } + if (isMatch) { self._finish() } + }) +} +inherits(HeaderParser, EventEmitter) + +HeaderParser.prototype.push = function (data) { + const r = this.ss.push(data) + if (this.finished) { return r } +} + +HeaderParser.prototype.reset = function () { + this.finished = false + this.buffer = '' + this.header = {} + this.ss.reset() +} + +HeaderParser.prototype._finish = function () { + if (this.buffer) { this._parseHeader() } + this.ss.matches = this.ss.maxMatches + const header = this.header + this.header = {} + this.buffer = '' + this.finished = true + this.nread = this.npairs = 0 + this.maxed = false + this.emit('header', header) +} + +HeaderParser.prototype._parseHeader = function () { + if (this.npairs === this.maxHeaderPairs) { return } + + const lines = this.buffer.split(RE_CRLF) + const len = lines.length + let m, h + + for (var i = 0; i < len; ++i) { // eslint-disable-line no-var + if (lines[i].length === 0) { continue } + if (lines[i][0] === '\t' || lines[i][0] === ' ') { + // folded header content + // RFC2822 says to just remove the CRLF and not the whitespace following + // it, so we follow the RFC and include the leading whitespace ... + if (h) { + this.header[h][this.header[h].length - 1] += lines[i] + continue + } + } + + const posColon = lines[i].indexOf(':') + if ( + posColon === -1 || + posColon === 0 + ) { + return + } + m = RE_HDR.exec(lines[i]) + h = m[1].toLowerCase() + this.header[h] = this.header[h] || [] + this.header[h].push((m[2] || '')) + if (++this.npairs === this.maxHeaderPairs) { break } + } +} + +module.exports = HeaderParser |