function Busboy(opts) {
if (!(this instanceof Busboy))
return new Busboy(opts);
if (opts.highWaterMark !== undefined)
WritableStream.call(this, { highWaterMark: opts.highWaterMark });
else
WritableStream.call(this);
this._done = false;
this._parser = undefined;
this._finished = false;
this.opts = opts;
if (opts.headers && typeof opts.headers['content-type'] === 'string')
this.parseHeaders(opts.headers);
else
throw new Error('Missing Content-Type');
}n/a
function Multipart(boy, cfg) {
if (!(this instanceof Multipart))
return new Multipart(boy, cfg);
var i,
len,
self = this,
boundary,
limits = cfg.limits,
parsedConType = cfg.parsedConType || [],
defCharset = cfg.defCharset || 'utf8',
preservePath = cfg.preservePath,
fileopts = (typeof cfg.fileHwm === 'number'
? { 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;
process.nextTick(function() {
boy._done = true;
boy.emit('finish');
});
}
}
if (typeof boundary !== 'string')
throw new Error('Multipart: Boundary not found');
var fieldSizeLimit = (limits && typeof limits.fieldSize === 'number'
? limits.fieldSize
: 1 * 1024 * 1024),
fileSizeLimit = (limits && typeof limits.fileSize === 'number'
? limits.fileSize
: Infinity),
filesLimit = (limits && typeof limits.files === 'number'
? limits.files
: Infinity),
fieldsLimit = (limits && typeof limits.fields === 'number'
? limits.fields
: Infinity),
partsLimit = (limits && typeof limits.parts === 'number'
? limits.parts
: Infinity);
var nfiles = 0,
nfields = 0,
nends = 0,
curFile,
curField,
finished = false;
this._needDrain = false;
this._pause = false;
this._cb = undefined;
this._nparts = 0;
this._boy = boy;
var parserCfg = {
boundary: boundary,
maxHeaderPairs: (limits && limits.headerPairs)
};
if (fileopts.highWaterMark)
parserCfg.partHwm = fileopts.highWaterMark;
if (cfg.highWaterMark)
parserCfg.highWaterMark = cfg.highWaterMark;
this.parser = new Dicer(parserCfg);
this.parser.on('drain', function() {
self._needDrain = false;
if (self._cb && !self._pause) {
var 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) {
var field = curField;
field.emit('end');
field.removeAllListeners('end');
}
part.on('header', function(header) {
var contype,
fieldname,
parsed,
charset,
encoding,
filename,
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 = decodeText(parsed[i][1], 'binary', 'utf8');
} else if (RE_FILENAME.test(parsed[i][0])) {
filename = decodeText(parsed[i][1], 'binary', 'utf8'); ...n/a
function Writable(options) {
// Writable ctor is applied to Duplexes, too.
// `realHasInstance` is necessary because using plain `instanceof`
// would return false, as no `_writableState` property is attached.
// Trying to use the custom `instanceof` for Writable here will also break the
// Node.js LazyTransform implementation, which has a non-trivial getter for
// `_writableState` that would lead to infinite recursion.
if (!(realHasInstance.call(Writable, this)) &&
!(this instanceof Stream.Duplex)) {
return new Writable(options);
}
this._writableState = new WritableState(options, this);
// legacy.
this.writable = true;
if (options) {
if (typeof options.write === 'function')
this._write = options.write;
if (typeof options.writev === 'function')
this._writev = options.writev;
}
Stream.call(this);
}n/a
function UrlEncoded(boy, cfg) {
if (!(this instanceof UrlEncoded))
return new UrlEncoded(boy, cfg);
var limits = cfg.limits,
headers = cfg.headers,
parsedConType = cfg.parsedConType;
this.boy = boy;
this.fieldSizeLimit = (limits && typeof limits.fieldSize === 'number'
? limits.fieldSize
: 1 * 1024 * 1024);
this.fieldNameSizeLimit = (limits && typeof limits.fieldNameSize === 'number'
? limits.fieldNameSize
: 100);
this.fieldsLimit = (limits && typeof limits.fields === 'number'
? limits.fields
: Infinity);
var charset;
for (var i = 0, len = parsedConType.length; i < len; ++i) {
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;
}n/a
function TextDecoder(opt_encoding, options) {
if (!(this instanceof TextDecoder)) {
return new TextDecoder(opt_encoding, options);
}
opt_encoding = opt_encoding ? String(opt_encoding) : DEFAULT_ENCODING;
options = Object(options);
/** @private */
this._encoding = getEncoding(opt_encoding);
if (this._encoding === null || this._encoding.name === 'replacement')
throw new TypeError('Unknown encoding: ' + opt_encoding);
/** @private @type {boolean} */
this._streaming = false;
/** @private @type {boolean} */
this._BOMseen = false;
/** @private */
this._decoder = null;
/** @private @type {{fatal: boolean}=} */
this._options = { fatal: Boolean(options.fatal) };
if (Object.defineProperty) {
Object.defineProperty(
this, 'encoding',
{ get: function() { return this._encoding.name; } });
} else {
this.encoding = this._encoding.name;
}
return this;
}...
exports.parseParams = parseParams;
function decodeText(text, textEncoding, destEncoding) {
var ret;
if (text && jsencoding.encodingExists(destEncoding)) {
try {
ret = jsencoding.TextDecoder(destEncoding)
.decode(new Buffer(text, textEncoding));
} catch(e) {}
}
return (typeof ret === 'string' ? ret : text);
}
exports.decodeText = decodeText;
...function TextEncoder(opt_encoding, options) {
if (!(this instanceof TextEncoder)) {
return new TextEncoder(opt_encoding, options);
}
opt_encoding = opt_encoding ? String(opt_encoding) : DEFAULT_ENCODING;
options = Object(options);
/** @private */
this._encoding = getEncoding(opt_encoding);
if (this._encoding === null || (this._encoding.name !== 'utf-8' &&
this._encoding.name !== 'utf-16le' &&
this._encoding.name !== 'utf-16be'))
throw new TypeError('Unknown encoding: ' + opt_encoding);
/** @private @type {boolean} */
this._streaming = false;
/** @private */
this._encoder = null;
/** @private @type {{fatal: boolean}=} */
this._options = { fatal: Boolean(options.fatal) };
if (Object.defineProperty) {
Object.defineProperty(
this, 'encoding',
{ get: function() { return this._encoding.name; } });
} else {
this.encoding = this._encoding.name;
}
return this;
}n/a
function getEncoding(label) {
label = String(label).trim().toLowerCase();
if (Object.prototype.hasOwnProperty.call(label_to_encoding, label)) {
return label_to_encoding[label];
}
return null;
}...
return res;
};
exports.parseParams = parseParams;
function decodeText(text, textEncoding, destEncoding) {
var ret;
if (text && jsencoding.encodingExists(destEncoding)) {
try {
ret = jsencoding.TextDecoder(destEncoding)
.decode(new Buffer(text, textEncoding));
} catch(e) {}
}
return (typeof ret === 'string' ? ret : text);
}
...function Multipart(boy, cfg) {
if (!(this instanceof Multipart))
return new Multipart(boy, cfg);
var i,
len,
self = this,
boundary,
limits = cfg.limits,
parsedConType = cfg.parsedConType || [],
defCharset = cfg.defCharset || 'utf8',
preservePath = cfg.preservePath,
fileopts = (typeof cfg.fileHwm === 'number'
? { 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;
process.nextTick(function() {
boy._done = true;
boy.emit('finish');
});
}
}
if (typeof boundary !== 'string')
throw new Error('Multipart: Boundary not found');
var fieldSizeLimit = (limits && typeof limits.fieldSize === 'number'
? limits.fieldSize
: 1 * 1024 * 1024),
fileSizeLimit = (limits && typeof limits.fileSize === 'number'
? limits.fileSize
: Infinity),
filesLimit = (limits && typeof limits.files === 'number'
? limits.files
: Infinity),
fieldsLimit = (limits && typeof limits.fields === 'number'
? limits.fields
: Infinity),
partsLimit = (limits && typeof limits.parts === 'number'
? limits.parts
: Infinity);
var nfiles = 0,
nfields = 0,
nends = 0,
curFile,
curField,
finished = false;
this._needDrain = false;
this._pause = false;
this._cb = undefined;
this._nparts = 0;
this._boy = boy;
var parserCfg = {
boundary: boundary,
maxHeaderPairs: (limits && limits.headerPairs)
};
if (fileopts.highWaterMark)
parserCfg.partHwm = fileopts.highWaterMark;
if (cfg.highWaterMark)
parserCfg.highWaterMark = cfg.highWaterMark;
this.parser = new Dicer(parserCfg);
this.parser.on('drain', function() {
self._needDrain = false;
if (self._cb && !self._pause) {
var 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) {
var field = curField;
field.emit('end');
field.removeAllListeners('end');
}
part.on('header', function(header) {
var contype,
fieldname,
parsed,
charset,
encoding,
filename,
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 = decodeText(parsed[i][1], 'binary', 'utf8');
} else if (RE_FILENAME.test(parsed[i][0])) {
filename = decodeText(parsed[i][1], 'binary', 'utf8'); ...n/a
end = function () {
var self = this;
if (this._nparts === 0 && !self._boy._done) {
process.nextTick(function() {
self._boy._done = true;
self._boy.emit('finish');
});
} else if (this.parser.writable)
this.parser.end();
}...
var self = this;
if (this._nparts === 0 && !self._boy._done) {
process.nextTick(function() {
self._boy._done = true;
self._boy.emit('finish');
});
} else if (this.parser.writable)
this.parser.end();
};
function skipPart(part) {
part.resume();
}
function FileStream(opts) {
...write = function (chunk, cb) {
var r;
if ((r = this.parser.write(chunk)) && !this._pause)
cb();
else {
this._needDrain = !r;
this._cb = cb;
}
}...
finished = true;
checkFinished();
});
}
Multipart.prototype.write = function(chunk, cb) {
var r;
if ((r = this.parser.write(chunk)) && !this._pause)
cb();
else {
this._needDrain = !r;
this._cb = cb;
}
};
...function UrlEncoded(boy, cfg) {
if (!(this instanceof UrlEncoded))
return new UrlEncoded(boy, cfg);
var limits = cfg.limits,
headers = cfg.headers,
parsedConType = cfg.parsedConType;
this.boy = boy;
this.fieldSizeLimit = (limits && typeof limits.fieldSize === 'number'
? limits.fieldSize
: 1 * 1024 * 1024);
this.fieldNameSizeLimit = (limits && typeof limits.fieldNameSize === 'number'
? limits.fieldNameSize
: 100);
this.fieldsLimit = (limits && typeof limits.fields === 'number'
? limits.fields
: Infinity);
var charset;
for (var i = 0, len = parsedConType.length; i < len; ++i) {
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;
}n/a
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');
}...
var self = this;
if (this._nparts === 0 && !self._boy._done) {
process.nextTick(function() {
self._boy._done = true;
self._boy.emit('finish');
});
} else if (this.parser.writable)
this.parser.end();
};
function skipPart(part) {
part.resume();
}
function FileStream(opts) {
...write = function (data, cb) {
if (this._fields === this.fieldsLimit) {
if (!this.boy.hitFieldsLimit) {
this.boy.hitFieldsLimit = true;
this.boy.emit('fieldsLimit');
}
return cb();
}
var idxeq, idxamp, i, p = 0, 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;
var key, 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 d ......
finished = true;
checkFinished();
});
}
Multipart.prototype.write = function(chunk, cb) {
var r;
if ((r = this.parser.write(chunk)) && !this._pause)
cb();
else {
this._needDrain = !r;
this._cb = cb;
}
};
...function Decoder() {
this.buffer = undefined;
}n/a
function basename(path) {
var f = splitPathPosix(path)[2];
if (f === path)
f = splitPathWindows(path)[2];
return f;
}n/a
function decodeText(text, textEncoding, destEncoding) {
var ret;
if (text && jsencoding.encodingExists(destEncoding)) {
try {
ret = jsencoding.TextDecoder(destEncoding)
.decode(new Buffer(text, textEncoding));
} catch(e) {}
}
return (typeof ret === 'string' ? ret : text);
}n/a
function parseParams(str) {
var res = [],
state = 'key',
charset = '',
inquote = false,
escaping = false,
p = 0,
tmp = '';
for (var i = 0, len = str.length; i < len; ++i) {
if (str[i] === '\\' && inquote) {
if (escaping)
escaping = false;
else {
escaping = true;
continue;
}
} else if (str[i] === '"') {
if (!escaping) {
if (inquote) {
inquote = false;
state = 'key';
} else
inquote = true;
continue;
} else
escaping = false;
} else {
if (escaping && inquote)
tmp += '\\';
escaping = false;
if ((state === 'charset' || state === 'lang') && str[i] === "'") {
if (state === 'charset') {
state = 'lang';
charset = tmp.substring(1);
} else
state = 'value';
tmp = '';
continue;
} else if (state === 'key'
&& (str[i] === '*' || str[i] === '=')
&& res.length) {
if (str[i] === '*')
state = 'charset';
else
state = 'value';
res[p] = [tmp, undefined];
tmp = '';
continue;
} else if (!inquote && str[i] === ';') {
state = 'key';
if (charset) {
if (tmp.length) {
tmp = decodeText(tmp.replace(RE_ENCODED, encodedReplacer),
'binary',
charset);
}
charset = '';
}
if (res[p] === undefined)
res[p] = tmp;
else
res[p][1] = tmp;
tmp = '';
++p;
continue;
} else if (!inquote && (str[i] === ' ' || str[i] === '\t'))
continue;
}
tmp += str[i];
}
if (charset && tmp.length) {
tmp = decodeText(tmp.replace(RE_ENCODED, encodedReplacer),
'binary',
charset);
}
if (res[p] === undefined) {
if (tmp)
res[p] = tmp;
} else
res[p][1] = tmp;
return res;
}n/a