forked from waja/action-debian-package
86 lines
2.1 KiB
JavaScript
86 lines
2.1 KiB
JavaScript
'use strict'
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const WritableStream = require('node:stream').Writable
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const { inherits } = require('node:util')
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const Dicer = require('../deps/dicer/lib/Dicer')
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const MultipartParser = require('./types/multipart')
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const UrlencodedParser = require('./types/urlencoded')
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const parseParams = require('./utils/parseParams')
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function Busboy (opts) {
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if (!(this instanceof Busboy)) { return new Busboy(opts) }
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if (typeof opts !== 'object') {
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throw new TypeError('Busboy expected an options-Object.')
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}
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if (typeof opts.headers !== 'object') {
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throw new TypeError('Busboy expected an options-Object with headers-attribute.')
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}
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if (typeof opts.headers['content-type'] !== 'string') {
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throw new TypeError('Missing Content-Type-header.')
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}
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const {
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headers,
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...streamOptions
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} = opts
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this.opts = {
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autoDestroy: false,
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...streamOptions
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}
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WritableStream.call(this, this.opts)
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this._done = false
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this._parser = this.getParserByHeaders(headers)
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this._finished = false
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}
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inherits(Busboy, WritableStream)
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Busboy.prototype.emit = function (ev) {
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if (ev === 'finish') {
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if (!this._done) {
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this._parser?.end()
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return
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} else if (this._finished) {
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return
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}
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this._finished = true
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}
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WritableStream.prototype.emit.apply(this, arguments)
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}
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Busboy.prototype.getParserByHeaders = function (headers) {
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const parsed = parseParams(headers['content-type'])
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const cfg = {
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defCharset: this.opts.defCharset,
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fileHwm: this.opts.fileHwm,
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headers,
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highWaterMark: this.opts.highWaterMark,
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isPartAFile: this.opts.isPartAFile,
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limits: this.opts.limits,
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parsedConType: parsed,
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preservePath: this.opts.preservePath
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}
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if (MultipartParser.detect.test(parsed[0])) {
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return new MultipartParser(this, cfg)
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}
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if (UrlencodedParser.detect.test(parsed[0])) {
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return new UrlencodedParser(this, cfg)
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}
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throw new Error('Unsupported Content-Type.')
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}
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Busboy.prototype._write = function (chunk, encoding, cb) {
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this._parser.write(chunk, cb)
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}
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module.exports = Busboy
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module.exports.default = Busboy
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module.exports.Busboy = Busboy
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module.exports.Dicer = Dicer
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