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author | Heiner Lohaus <heiner@lohaus.eu> | 2023-10-28 07:21:00 +0200 |
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committer | Heiner Lohaus <heiner@lohaus.eu> | 2023-10-28 07:21:00 +0200 |
commit | dc04ca93060443a3ce6263a476f4dafc66afc6b3 (patch) | |
tree | b9c645cbe897af198ea0551509f901a249af35f2 /g4f/Provider/npm/node_modules/@fastify/busboy/lib/types | |
parent | Update config supports_message_history (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | g4f/Provider/npm/node_modules/@fastify/busboy/lib/types/multipart.js | 306 | ||||
-rw-r--r-- | g4f/Provider/npm/node_modules/@fastify/busboy/lib/types/urlencoded.js | 190 |
2 files changed, 496 insertions, 0 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 new file mode 100644 index 00000000..ad242db2 --- /dev/null +++ b/g4f/Provider/npm/node_modules/@fastify/busboy/lib/types/multipart.js @@ -0,0 +1,306 @@ +'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 diff --git a/g4f/Provider/npm/node_modules/@fastify/busboy/lib/types/urlencoded.js b/g4f/Provider/npm/node_modules/@fastify/busboy/lib/types/urlencoded.js new file mode 100644 index 00000000..6f5f7846 --- /dev/null +++ b/g4f/Provider/npm/node_modules/@fastify/busboy/lib/types/urlencoded.js @@ -0,0 +1,190 @@ +'use strict' + +const Decoder = require('../utils/Decoder') +const decodeText = require('../utils/decodeText') +const getLimit = require('../utils/getLimit') + +const RE_CHARSET = /^charset$/i + +UrlEncoded.detect = /^application\/x-www-form-urlencoded/i +function UrlEncoded (boy, cfg) { + const limits = cfg.limits + const parsedConType = cfg.parsedConType + this.boy = boy + + this.fieldSizeLimit = getLimit(limits, 'fieldSize', 1 * 1024 * 1024) + this.fieldNameSizeLimit = getLimit(limits, 'fieldNameSize', 100) + this.fieldsLimit = getLimit(limits, 'fields', Infinity) + + let charset + for (var i = 0, len = parsedConType.length; i < len; ++i) { // eslint-disable-line no-var + if (Array.isArray(parsedConType[i]) && + RE_CHARSET.test(parsedConType[i][0])) { + charset = parsedConType[i][1].toLowerCase() + break + } + } + + if (charset === undefined) { charset = cfg.defCharset || 'utf8' } + + this.decoder = new Decoder() + this.charset = charset + this._fields = 0 + this._state = 'key' + this._checkingBytes = true + this._bytesKey = 0 + this._bytesVal = 0 + this._key = '' + this._val = '' + this._keyTrunc = false + this._valTrunc = false + this._hitLimit = false +} + +UrlEncoded.prototype.write = function (data, cb) { + if (this._fields === this.fieldsLimit) { + if (!this.boy.hitFieldsLimit) { + this.boy.hitFieldsLimit = true + this.boy.emit('fieldsLimit') + } + return cb() + } + + let idxeq; let idxamp; let i; let p = 0; const len = data.length + + while (p < len) { + if (this._state === 'key') { + idxeq = idxamp = undefined + for (i = p; i < len; ++i) { + if (!this._checkingBytes) { ++p } + if (data[i] === 0x3D/* = */) { + idxeq = i + break + } else if (data[i] === 0x26/* & */) { + idxamp = i + break + } + if (this._checkingBytes && this._bytesKey === this.fieldNameSizeLimit) { + this._hitLimit = true + break + } else if (this._checkingBytes) { ++this._bytesKey } + } + + if (idxeq !== undefined) { + // key with assignment + if (idxeq > p) { this._key += this.decoder.write(data.toString('binary', p, idxeq)) } + this._state = 'val' + + this._hitLimit = false + this._checkingBytes = true + this._val = '' + this._bytesVal = 0 + this._valTrunc = false + this.decoder.reset() + + p = idxeq + 1 + } else if (idxamp !== undefined) { + // key with no assignment + ++this._fields + let key; const keyTrunc = this._keyTrunc + if (idxamp > p) { key = (this._key += this.decoder.write(data.toString('binary', p, idxamp))) } else { key = this._key } + + this._hitLimit = false + this._checkingBytes = true + this._key = '' + this._bytesKey = 0 + this._keyTrunc = false + this.decoder.reset() + + if (key.length) { + this.boy.emit('field', decodeText(key, 'binary', this.charset), + '', + keyTrunc, + false) + } + + p = idxamp + 1 + if (this._fields === this.fieldsLimit) { return cb() } + } else if (this._hitLimit) { + // we may not have hit the actual limit if there are encoded bytes... + if (i > p) { this._key += this.decoder.write(data.toString('binary', p, i)) } + p = i + if ((this._bytesKey = this._key.length) === this.fieldNameSizeLimit) { + // yep, we actually did hit the limit + this._checkingBytes = false + this._keyTrunc = true + } + } else { + if (p < len) { this._key += this.decoder.write(data.toString('binary', p)) } + p = len + } + } else { + idxamp = undefined + for (i = p; i < len; ++i) { + if (!this._checkingBytes) { ++p } + if (data[i] === 0x26/* & */) { + idxamp = i + break + } + if (this._checkingBytes && this._bytesVal === this.fieldSizeLimit) { + this._hitLimit = true + break + } else if (this._checkingBytes) { ++this._bytesVal } + } + + if (idxamp !== undefined) { + ++this._fields + if (idxamp > p) { this._val += this.decoder.write(data.toString('binary', p, idxamp)) } + this.boy.emit('field', decodeText(this._key, 'binary', this.charset), + decodeText(this._val, 'binary', this.charset), + this._keyTrunc, + this._valTrunc) + this._state = 'key' + + this._hitLimit = false + this._checkingBytes = true + this._key = '' + this._bytesKey = 0 + this._keyTrunc = false + this.decoder.reset() + + p = idxamp + 1 + if (this._fields === this.fieldsLimit) { return cb() } + } else if (this._hitLimit) { + // we may not have hit the actual limit if there are encoded bytes... + if (i > p) { this._val += this.decoder.write(data.toString('binary', p, i)) } + p = i + if ((this._val === '' && this.fieldSizeLimit === 0) || + (this._bytesVal = this._val.length) === this.fieldSizeLimit) { + // yep, we actually did hit the limit + this._checkingBytes = false + this._valTrunc = true + } + } else { + if (p < len) { this._val += this.decoder.write(data.toString('binary', p)) } + p = len + } + } + } + cb() +} + +UrlEncoded.prototype.end = function () { + if (this.boy._done) { return } + + if (this._state === 'key' && this._key.length > 0) { + this.boy.emit('field', decodeText(this._key, 'binary', this.charset), + '', + this._keyTrunc, + false) + } else if (this._state === 'val') { + this.boy.emit('field', decodeText(this._key, 'binary', this.charset), + decodeText(this._val, 'binary', this.charset), + this._keyTrunc, + this._valTrunc) + } + this.boy._done = true + this.boy.emit('finish') +} + +module.exports = UrlEncoded |