diff options
Diffstat (limited to 'g4f/Provider/npm/node_modules/@fastify/busboy/lib/types/multipart.js')
| -rw-r--r-- | g4f/Provider/npm/node_modules/@fastify/busboy/lib/types/multipart.js | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/g4f/Provider/npm/node_modules/@fastify/busboy/lib/types/multipart.js b/g4f/Provider/npm/node_modules/@fastify/busboy/lib/types/multipart.js deleted file mode 100644 index ad242db2..00000000 --- a/g4f/Provider/npm/node_modules/@fastify/busboy/lib/types/multipart.js +++ /dev/null @@ -1,306 +0,0 @@ -'use strict' - -// TODO: -// * support 1 nested multipart level -// (see second multipart example here: -// http://www.w3.org/TR/html401/interact/forms.html#didx-multipartform-data) -// * support limits.fieldNameSize -// -- this will require modifications to utils.parseParams - -const { Readable } = require('node:stream') -const { inherits } = require('node:util') - -const Dicer = require('../../deps/dicer/lib/Dicer') - -const parseParams = require('../utils/parseParams') -const decodeText = require('../utils/decodeText') -const basename = require('../utils/basename') -const getLimit = require('../utils/getLimit') - -const RE_BOUNDARY = /^boundary$/i -const RE_FIELD = /^form-data$/i -const RE_CHARSET = /^charset$/i -const RE_FILENAME = /^filename$/i -const RE_NAME = /^name$/i - -Multipart.detect = /^multipart\/form-data/i -function Multipart (boy, cfg) { - let i - let len - const self = this - let boundary - const limits = cfg.limits - const isPartAFile = cfg.isPartAFile || ((fieldName, contentType, fileName) => (contentType === 'application/octet-stream' || fileName !== undefined)) - const parsedConType = cfg.parsedConType || [] - const defCharset = cfg.defCharset || 'utf8' - const preservePath = cfg.preservePath - const fileOpts = { highWaterMark: cfg.fileHwm } - - for (i = 0, len = parsedConType.length; i < len; ++i) { - if (Array.isArray(parsedConType[i]) && - RE_BOUNDARY.test(parsedConType[i][0])) { - boundary = parsedConType[i][1] - break - } - } - - function checkFinished () { - if (nends === 0 && finished && !boy._done) { - finished = false - self.end() - } - } - - if (typeof boundary !== 'string') { throw new Error('Multipart: Boundary not found') } - - const fieldSizeLimit = getLimit(limits, 'fieldSize', 1 * 1024 * 1024) - const fileSizeLimit = getLimit(limits, 'fileSize', Infinity) - const filesLimit = getLimit(limits, 'files', Infinity) - const fieldsLimit = getLimit(limits, 'fields', Infinity) - const partsLimit = getLimit(limits, 'parts', Infinity) - const headerPairsLimit = getLimit(limits, 'headerPairs', 2000) - const headerSizeLimit = getLimit(limits, 'headerSize', 80 * 1024) - - let nfiles = 0 - let nfields = 0 - let nends = 0 - let curFile - let curField - let finished = false - - this._needDrain = false - this._pause = false - this._cb = undefined - this._nparts = 0 - this._boy = boy - - const parserCfg = { - boundary, - maxHeaderPairs: headerPairsLimit, - maxHeaderSize: headerSizeLimit, - partHwm: fileOpts.highWaterMark, - highWaterMark: cfg.highWaterMark - } - - this.parser = new Dicer(parserCfg) - this.parser.on('drain', function () { - self._needDrain = false - if (self._cb && !self._pause) { - const cb = self._cb - self._cb = undefined - cb() - } - }).on('part', function onPart (part) { - if (++self._nparts > partsLimit) { - self.parser.removeListener('part', onPart) - self.parser.on('part', skipPart) - boy.hitPartsLimit = true - boy.emit('partsLimit') - return skipPart(part) - } - - // hack because streams2 _always_ doesn't emit 'end' until nextTick, so let - // us emit 'end' early since we know the part has ended if we are already - // seeing the next part - if (curField) { - const field = curField - field.emit('end') - field.removeAllListeners('end') - } - - part.on('header', function (header) { - let contype - let fieldname - let parsed - let charset - let encoding - let filename - let nsize = 0 - - if (header['content-type']) { - parsed = parseParams(header['content-type'][0]) - if (parsed[0]) { - contype = parsed[0].toLowerCase() - for (i = 0, len = parsed.length; i < len; ++i) { - if (RE_CHARSET.test(parsed[i][0])) { - charset = parsed[i][1].toLowerCase() - break - } - } - } - } - - if (contype === undefined) { contype = 'text/plain' } - if (charset === undefined) { charset = defCharset } - - if (header['content-disposition']) { - parsed = parseParams(header['content-disposition'][0]) - if (!RE_FIELD.test(parsed[0])) { return skipPart(part) } - for (i = 0, len = parsed.length; i < len; ++i) { - if (RE_NAME.test(parsed[i][0])) { - fieldname = parsed[i][1] - } else if (RE_FILENAME.test(parsed[i][0])) { - filename = parsed[i][1] - if (!preservePath) { filename = basename(filename) } - } - } - } else { return skipPart(part) } - - if (header['content-transfer-encoding']) { encoding = header['content-transfer-encoding'][0].toLowerCase() } else { encoding = '7bit' } - - let onData, - onEnd - - if (isPartAFile(fieldname, contype, filename)) { - // file/binary field - if (nfiles === filesLimit) { - if (!boy.hitFilesLimit) { - boy.hitFilesLimit = true - boy.emit('filesLimit') - } - return skipPart(part) - } - - ++nfiles - - if (!boy._events.file) { - self.parser._ignore() - return - } - - ++nends - const file = new FileStream(fileOpts) - curFile = file - file.on('end', function () { - --nends - self._pause = false - checkFinished() - if (self._cb && !self._needDrain) { - const cb = self._cb - self._cb = undefined - cb() - } - }) - file._read = function (n) { - if (!self._pause) { return } - self._pause = false - if (self._cb && !self._needDrain) { - const cb = self._cb - self._cb = undefined - cb() - } - } - boy.emit('file', fieldname, file, filename, encoding, contype) - - onData = function (data) { - if ((nsize += data.length) > fileSizeLimit) { - const extralen = fileSizeLimit - nsize + data.length - if (extralen > 0) { file.push(data.slice(0, extralen)) } - file.truncated = true - file.bytesRead = fileSizeLimit - part.removeAllListeners('data') - file.emit('limit') - return - } else if (!file.push(data)) { self._pause = true } - - file.bytesRead = nsize - } - - onEnd = function () { - curFile = undefined - file.push(null) - } - } else { - // non-file field - if (nfields === fieldsLimit) { - if (!boy.hitFieldsLimit) { - boy.hitFieldsLimit = true - boy.emit('fieldsLimit') - } - return skipPart(part) - } - - ++nfields - ++nends - let buffer = '' - let truncated = false - curField = part - - onData = function (data) { - if ((nsize += data.length) > fieldSizeLimit) { - const extralen = (fieldSizeLimit - (nsize - data.length)) - buffer += data.toString('binary', 0, extralen) - truncated = true - part.removeAllListeners('data') - } else { buffer += data.toString('binary') } - } - - onEnd = function () { - curField = undefined - if (buffer.length) { buffer = decodeText(buffer, 'binary', charset) } - boy.emit('field', fieldname, buffer, false, truncated, encoding, contype) - --nends - checkFinished() - } - } - - /* As of node@2efe4ab761666 (v0.10.29+/v0.11.14+), busboy had become - broken. Streams2/streams3 is a huge black box of confusion, but - somehow overriding the sync state seems to fix things again (and still - seems to work for previous node versions). - */ - part._readableState.sync = false - - part.on('data', onData) - part.on('end', onEnd) - }).on('error', function (err) { - if (curFile) { curFile.emit('error', err) } - }) - }).on('error', function (err) { - boy.emit('error', err) - }).on('finish', function () { - finished = true - checkFinished() - }) -} - -Multipart.prototype.write = function (chunk, cb) { - const r = this.parser.write(chunk) - if (r && !this._pause) { - cb() - } else { - this._needDrain = !r - this._cb = cb - } -} - -Multipart.prototype.end = function () { - const self = this - - if (self.parser.writable) { - self.parser.end() - } else if (!self._boy._done) { - process.nextTick(function () { - self._boy._done = true - self._boy.emit('finish') - }) - } -} - -function skipPart (part) { - part.resume() -} - -function FileStream (opts) { - Readable.call(this, opts) - - this.bytesRead = 0 - - this.truncated = false -} - -inherits(FileStream, Readable) - -FileStream.prototype._read = function (n) {} - -module.exports = Multipart |