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Tobias Hopp
2021-03-14 11:09:02 +01:00
commit 21e364ee38
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168
node_modules/mysql/lib/protocol/Auth.js generated vendored Normal file
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var Buffer = require('safe-buffer').Buffer;
var Crypto = require('crypto');
var Auth = exports;
function auth(name, data, options) {
options = options || {};
switch (name) {
case 'mysql_native_password':
return Auth.token(options.password, data.slice(0, 20));
default:
return undefined;
}
}
Auth.auth = auth;
function sha1(msg) {
var hash = Crypto.createHash('sha1');
hash.update(msg, 'binary');
return hash.digest('binary');
}
Auth.sha1 = sha1;
function xor(a, b) {
a = Buffer.from(a, 'binary');
b = Buffer.from(b, 'binary');
var result = Buffer.allocUnsafe(a.length);
for (var i = 0; i < a.length; i++) {
result[i] = (a[i] ^ b[i]);
}
return result;
}
Auth.xor = xor;
Auth.token = function(password, scramble) {
if (!password) {
return Buffer.alloc(0);
}
// password must be in binary format, not utf8
var stage1 = sha1((Buffer.from(password, 'utf8')).toString('binary'));
var stage2 = sha1(stage1);
var stage3 = sha1(scramble.toString('binary') + stage2);
return xor(stage3, stage1);
};
// This is a port of sql/password.c:hash_password which needs to be used for
// pre-4.1 passwords.
Auth.hashPassword = function(password) {
var nr = [0x5030, 0x5735];
var add = 7;
var nr2 = [0x1234, 0x5671];
var result = Buffer.alloc(8);
if (typeof password === 'string'){
password = Buffer.from(password);
}
for (var i = 0; i < password.length; i++) {
var c = password[i];
if (c === 32 || c === 9) {
// skip space in password
continue;
}
// nr^= (((nr & 63)+add)*c)+ (nr << 8);
// nr = xor(nr, add(mul(add(and(nr, 63), add), c), shl(nr, 8)))
nr = this.xor32(nr, this.add32(this.mul32(this.add32(this.and32(nr, [0, 63]), [0, add]), [0, c]), this.shl32(nr, 8)));
// nr2+=(nr2 << 8) ^ nr;
// nr2 = add(nr2, xor(shl(nr2, 8), nr))
nr2 = this.add32(nr2, this.xor32(this.shl32(nr2, 8), nr));
// add+=tmp;
add += c;
}
this.int31Write(result, nr, 0);
this.int31Write(result, nr2, 4);
return result;
};
Auth.randomInit = function(seed1, seed2) {
return {
max_value : 0x3FFFFFFF,
max_value_dbl : 0x3FFFFFFF,
seed1 : seed1 % 0x3FFFFFFF,
seed2 : seed2 % 0x3FFFFFFF
};
};
Auth.myRnd = function(r){
r.seed1 = (r.seed1 * 3 + r.seed2) % r.max_value;
r.seed2 = (r.seed1 + r.seed2 + 33) % r.max_value;
return r.seed1 / r.max_value_dbl;
};
Auth.scramble323 = function(message, password) {
if (!password) {
return Buffer.alloc(0);
}
var to = Buffer.allocUnsafe(8);
var hashPass = this.hashPassword(password);
var hashMessage = this.hashPassword(message.slice(0, 8));
var seed1 = this.int32Read(hashPass, 0) ^ this.int32Read(hashMessage, 0);
var seed2 = this.int32Read(hashPass, 4) ^ this.int32Read(hashMessage, 4);
var r = this.randomInit(seed1, seed2);
for (var i = 0; i < 8; i++){
to[i] = Math.floor(this.myRnd(r) * 31) + 64;
}
var extra = (Math.floor(this.myRnd(r) * 31));
for (var i = 0; i < 8; i++){
to[i] ^= extra;
}
return to;
};
Auth.xor32 = function(a, b){
return [a[0] ^ b[0], a[1] ^ b[1]];
};
Auth.add32 = function(a, b){
var w1 = a[1] + b[1];
var w2 = a[0] + b[0] + ((w1 & 0xFFFF0000) >> 16);
return [w2 & 0xFFFF, w1 & 0xFFFF];
};
Auth.mul32 = function(a, b){
// based on this example of multiplying 32b ints using 16b
// http://www.dsprelated.com/showmessage/89790/1.php
var w1 = a[1] * b[1];
var w2 = (((a[1] * b[1]) >> 16) & 0xFFFF) + ((a[0] * b[1]) & 0xFFFF) + (a[1] * b[0] & 0xFFFF);
return [w2 & 0xFFFF, w1 & 0xFFFF];
};
Auth.and32 = function(a, b){
return [a[0] & b[0], a[1] & b[1]];
};
Auth.shl32 = function(a, b){
// assume b is 16 or less
var w1 = a[1] << b;
var w2 = (a[0] << b) | ((w1 & 0xFFFF0000) >> 16);
return [w2 & 0xFFFF, w1 & 0xFFFF];
};
Auth.int31Write = function(buffer, number, offset) {
buffer[offset] = (number[0] >> 8) & 0x7F;
buffer[offset + 1] = (number[0]) & 0xFF;
buffer[offset + 2] = (number[1] >> 8) & 0xFF;
buffer[offset + 3] = (number[1]) & 0xFF;
};
Auth.int32Read = function(buffer, offset){
return (buffer[offset] << 24)
+ (buffer[offset + 1] << 16)
+ (buffer[offset + 2] << 8)
+ (buffer[offset + 3]);
};

25
node_modules/mysql/lib/protocol/BufferList.js generated vendored Normal file
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module.exports = BufferList;
function BufferList() {
this.bufs = [];
this.size = 0;
}
BufferList.prototype.shift = function shift() {
var buf = this.bufs.shift();
if (buf) {
this.size -= buf.length;
}
return buf;
};
BufferList.prototype.push = function push(buf) {
if (!buf || !buf.length) {
return;
}
this.bufs.push(buf);
this.size += buf.length;
};

5
node_modules/mysql/lib/protocol/PacketHeader.js generated vendored Normal file
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module.exports = PacketHeader;
function PacketHeader(length, number) {
this.length = length;
this.number = number;
}

211
node_modules/mysql/lib/protocol/PacketWriter.js generated vendored Normal file
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var BIT_16 = Math.pow(2, 16);
var BIT_24 = Math.pow(2, 24);
var BUFFER_ALLOC_SIZE = Math.pow(2, 8);
// The maximum precision JS Numbers can hold precisely
// Don't panic: Good enough to represent byte values up to 8192 TB
var IEEE_754_BINARY_64_PRECISION = Math.pow(2, 53);
var MAX_PACKET_LENGTH = Math.pow(2, 24) - 1;
var Buffer = require('safe-buffer').Buffer;
module.exports = PacketWriter;
function PacketWriter() {
this._buffer = null;
this._offset = 0;
}
PacketWriter.prototype.toBuffer = function toBuffer(parser) {
if (!this._buffer) {
this._buffer = Buffer.alloc(0);
this._offset = 0;
}
var buffer = this._buffer;
var length = this._offset;
var packets = Math.floor(length / MAX_PACKET_LENGTH) + 1;
this._buffer = Buffer.allocUnsafe(length + packets * 4);
this._offset = 0;
for (var packet = 0; packet < packets; packet++) {
var isLast = (packet + 1 === packets);
var packetLength = (isLast)
? length % MAX_PACKET_LENGTH
: MAX_PACKET_LENGTH;
var packetNumber = parser.incrementPacketNumber();
this.writeUnsignedNumber(3, packetLength);
this.writeUnsignedNumber(1, packetNumber);
var start = packet * MAX_PACKET_LENGTH;
var end = start + packetLength;
this.writeBuffer(buffer.slice(start, end));
}
return this._buffer;
};
PacketWriter.prototype.writeUnsignedNumber = function(bytes, value) {
this._allocate(bytes);
for (var i = 0; i < bytes; i++) {
this._buffer[this._offset++] = (value >> (i * 8)) & 0xff;
}
};
PacketWriter.prototype.writeFiller = function(bytes) {
this._allocate(bytes);
for (var i = 0; i < bytes; i++) {
this._buffer[this._offset++] = 0x00;
}
};
PacketWriter.prototype.writeNullTerminatedString = function(value, encoding) {
// Typecast undefined into '' and numbers into strings
value = value || '';
value = value + '';
var bytes = Buffer.byteLength(value, encoding || 'utf-8') + 1;
this._allocate(bytes);
this._buffer.write(value, this._offset, encoding);
this._buffer[this._offset + bytes - 1] = 0x00;
this._offset += bytes;
};
PacketWriter.prototype.writeString = function(value) {
// Typecast undefined into '' and numbers into strings
value = value || '';
value = value + '';
var bytes = Buffer.byteLength(value, 'utf-8');
this._allocate(bytes);
this._buffer.write(value, this._offset, 'utf-8');
this._offset += bytes;
};
PacketWriter.prototype.writeBuffer = function(value) {
var bytes = value.length;
this._allocate(bytes);
value.copy(this._buffer, this._offset);
this._offset += bytes;
};
PacketWriter.prototype.writeLengthCodedNumber = function(value) {
if (value === null) {
this._allocate(1);
this._buffer[this._offset++] = 251;
return;
}
if (value <= 250) {
this._allocate(1);
this._buffer[this._offset++] = value;
return;
}
if (value > IEEE_754_BINARY_64_PRECISION) {
throw new Error(
'writeLengthCodedNumber: JS precision range exceeded, your ' +
'number is > 53 bit: "' + value + '"'
);
}
if (value < BIT_16) {
this._allocate(3);
this._buffer[this._offset++] = 252;
} else if (value < BIT_24) {
this._allocate(4);
this._buffer[this._offset++] = 253;
} else {
this._allocate(9);
this._buffer[this._offset++] = 254;
}
// 16 Bit
this._buffer[this._offset++] = value & 0xff;
this._buffer[this._offset++] = (value >> 8) & 0xff;
if (value < BIT_16) {
return;
}
// 24 Bit
this._buffer[this._offset++] = (value >> 16) & 0xff;
if (value < BIT_24) {
return;
}
this._buffer[this._offset++] = (value >> 24) & 0xff;
// Hack: Get the most significant 32 bit (JS bitwise operators are 32 bit)
value = value.toString(2);
value = value.substr(0, value.length - 32);
value = parseInt(value, 2);
this._buffer[this._offset++] = value & 0xff;
this._buffer[this._offset++] = (value >> 8) & 0xff;
this._buffer[this._offset++] = (value >> 16) & 0xff;
// Set last byte to 0, as we can only support 53 bits in JS (see above)
this._buffer[this._offset++] = 0;
};
PacketWriter.prototype.writeLengthCodedBuffer = function(value) {
var bytes = value.length;
this.writeLengthCodedNumber(bytes);
this.writeBuffer(value);
};
PacketWriter.prototype.writeNullTerminatedBuffer = function(value) {
this.writeBuffer(value);
this.writeFiller(1); // 0x00 terminator
};
PacketWriter.prototype.writeLengthCodedString = function(value) {
if (value === null) {
this.writeLengthCodedNumber(null);
return;
}
value = (value === undefined)
? ''
: String(value);
var bytes = Buffer.byteLength(value, 'utf-8');
this.writeLengthCodedNumber(bytes);
if (!bytes) {
return;
}
this._allocate(bytes);
this._buffer.write(value, this._offset, 'utf-8');
this._offset += bytes;
};
PacketWriter.prototype._allocate = function _allocate(bytes) {
if (!this._buffer) {
this._buffer = Buffer.alloc(Math.max(BUFFER_ALLOC_SIZE, bytes));
this._offset = 0;
return;
}
var bytesRemaining = this._buffer.length - this._offset;
if (bytesRemaining >= bytes) {
return;
}
var newSize = this._buffer.length + Math.max(BUFFER_ALLOC_SIZE, bytes);
var oldBuffer = this._buffer;
this._buffer = Buffer.alloc(newSize);
oldBuffer.copy(this._buffer);
};

491
node_modules/mysql/lib/protocol/Parser.js generated vendored Normal file
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var PacketHeader = require('./PacketHeader');
var BigNumber = require('bignumber.js');
var Buffer = require('safe-buffer').Buffer;
var BufferList = require('./BufferList');
var MAX_PACKET_LENGTH = Math.pow(2, 24) - 1;
var MUL_32BIT = Math.pow(2, 32);
var PACKET_HEADER_LENGTH = 4;
module.exports = Parser;
function Parser(options) {
options = options || {};
this._supportBigNumbers = options.config && options.config.supportBigNumbers;
this._buffer = Buffer.alloc(0);
this._nextBuffers = new BufferList();
this._longPacketBuffers = new BufferList();
this._offset = 0;
this._packetEnd = null;
this._packetHeader = null;
this._packetOffset = null;
this._onError = options.onError || function(err) { throw err; };
this._onPacket = options.onPacket || function() {};
this._nextPacketNumber = 0;
this._encoding = 'utf-8';
this._paused = false;
}
Parser.prototype.write = function write(chunk) {
this._nextBuffers.push(chunk);
while (!this._paused) {
var packetHeader = this._tryReadPacketHeader();
if (!packetHeader) {
break;
}
if (!this._combineNextBuffers(packetHeader.length)) {
break;
}
this._parsePacket(packetHeader);
}
};
Parser.prototype.append = function append(chunk) {
if (!chunk || chunk.length === 0) {
return;
}
// Calculate slice ranges
var sliceEnd = this._buffer.length;
var sliceStart = this._packetOffset === null
? this._offset
: this._packetOffset;
var sliceLength = sliceEnd - sliceStart;
// Get chunk data
var buffer = null;
var chunks = !(chunk instanceof Array || Array.isArray(chunk)) ? [chunk] : chunk;
var length = 0;
var offset = 0;
for (var i = 0; i < chunks.length; i++) {
length += chunks[i].length;
}
if (sliceLength !== 0) {
// Create a new Buffer
buffer = Buffer.allocUnsafe(sliceLength + length);
offset = 0;
// Copy data slice
offset += this._buffer.copy(buffer, 0, sliceStart, sliceEnd);
// Copy chunks
for (var i = 0; i < chunks.length; i++) {
offset += chunks[i].copy(buffer, offset);
}
} else if (chunks.length > 1) {
// Create a new Buffer
buffer = Buffer.allocUnsafe(length);
offset = 0;
// Copy chunks
for (var i = 0; i < chunks.length; i++) {
offset += chunks[i].copy(buffer, offset);
}
} else {
// Buffer is the only chunk
buffer = chunks[0];
}
// Adjust data-tracking pointers
this._buffer = buffer;
this._offset = this._offset - sliceStart;
this._packetEnd = this._packetEnd !== null
? this._packetEnd - sliceStart
: null;
this._packetOffset = this._packetOffset !== null
? this._packetOffset - sliceStart
: null;
};
Parser.prototype.pause = function() {
this._paused = true;
};
Parser.prototype.resume = function() {
this._paused = false;
// nextTick() to avoid entering write() multiple times within the same stack
// which would cause problems as write manipulates the state of the object.
process.nextTick(this.write.bind(this));
};
Parser.prototype.peak = function peak(offset) {
return this._buffer[this._offset + (offset >>> 0)];
};
Parser.prototype.parseUnsignedNumber = function parseUnsignedNumber(bytes) {
if (bytes === 1) {
return this._buffer[this._offset++];
}
var buffer = this._buffer;
var offset = this._offset + bytes - 1;
var value = 0;
if (bytes > 4) {
var err = new Error('parseUnsignedNumber: Supports only up to 4 bytes');
err.offset = (this._offset - this._packetOffset - 1);
err.code = 'PARSER_UNSIGNED_TOO_LONG';
throw err;
}
while (offset >= this._offset) {
value = ((value << 8) | buffer[offset]) >>> 0;
offset--;
}
this._offset += bytes;
return value;
};
Parser.prototype.parseLengthCodedString = function() {
var length = this.parseLengthCodedNumber();
if (length === null) {
return null;
}
return this.parseString(length);
};
Parser.prototype.parseLengthCodedBuffer = function() {
var length = this.parseLengthCodedNumber();
if (length === null) {
return null;
}
return this.parseBuffer(length);
};
Parser.prototype.parseLengthCodedNumber = function parseLengthCodedNumber() {
if (this._offset >= this._buffer.length) {
var err = new Error('Parser: read past end');
err.offset = (this._offset - this._packetOffset);
err.code = 'PARSER_READ_PAST_END';
throw err;
}
var bits = this._buffer[this._offset++];
if (bits <= 250) {
return bits;
}
switch (bits) {
case 251:
return null;
case 252:
return this.parseUnsignedNumber(2);
case 253:
return this.parseUnsignedNumber(3);
case 254:
break;
default:
var err = new Error('Unexpected first byte' + (bits ? ': 0x' + bits.toString(16) : ''));
err.offset = (this._offset - this._packetOffset - 1);
err.code = 'PARSER_BAD_LENGTH_BYTE';
throw err;
}
var low = this.parseUnsignedNumber(4);
var high = this.parseUnsignedNumber(4);
var value;
if (high >>> 21) {
value = BigNumber(MUL_32BIT).times(high).plus(low).toString();
if (this._supportBigNumbers) {
return value;
}
var err = new Error(
'parseLengthCodedNumber: JS precision range exceeded, ' +
'number is >= 53 bit: "' + value + '"'
);
err.offset = (this._offset - this._packetOffset - 8);
err.code = 'PARSER_JS_PRECISION_RANGE_EXCEEDED';
throw err;
}
value = low + (MUL_32BIT * high);
return value;
};
Parser.prototype.parseFiller = function(length) {
return this.parseBuffer(length);
};
Parser.prototype.parseNullTerminatedBuffer = function() {
var end = this._nullByteOffset();
var value = this._buffer.slice(this._offset, end);
this._offset = end + 1;
return value;
};
Parser.prototype.parseNullTerminatedString = function() {
var end = this._nullByteOffset();
var value = this._buffer.toString(this._encoding, this._offset, end);
this._offset = end + 1;
return value;
};
Parser.prototype._nullByteOffset = function() {
var offset = this._offset;
while (this._buffer[offset] !== 0x00) {
offset++;
if (offset >= this._buffer.length) {
var err = new Error('Offset of null terminated string not found.');
err.offset = (this._offset - this._packetOffset);
err.code = 'PARSER_MISSING_NULL_BYTE';
throw err;
}
}
return offset;
};
Parser.prototype.parsePacketTerminatedBuffer = function parsePacketTerminatedBuffer() {
var length = this._packetEnd - this._offset;
return this.parseBuffer(length);
};
Parser.prototype.parsePacketTerminatedString = function() {
var length = this._packetEnd - this._offset;
return this.parseString(length);
};
Parser.prototype.parseBuffer = function(length) {
var response = Buffer.alloc(length);
this._buffer.copy(response, 0, this._offset, this._offset + length);
this._offset += length;
return response;
};
Parser.prototype.parseString = function(length) {
var offset = this._offset;
var end = offset + length;
var value = this._buffer.toString(this._encoding, offset, end);
this._offset = end;
return value;
};
Parser.prototype.parseGeometryValue = function() {
var buffer = this.parseLengthCodedBuffer();
var offset = 4;
if (buffer === null || !buffer.length) {
return null;
}
function parseGeometry() {
var result = null;
var byteOrder = buffer.readUInt8(offset); offset += 1;
var wkbType = byteOrder ? buffer.readUInt32LE(offset) : buffer.readUInt32BE(offset); offset += 4;
switch (wkbType) {
case 1: // WKBPoint
var x = byteOrder ? buffer.readDoubleLE(offset) : buffer.readDoubleBE(offset); offset += 8;
var y = byteOrder ? buffer.readDoubleLE(offset) : buffer.readDoubleBE(offset); offset += 8;
result = {x: x, y: y};
break;
case 2: // WKBLineString
var numPoints = byteOrder ? buffer.readUInt32LE(offset) : buffer.readUInt32BE(offset); offset += 4;
result = [];
for (var i = numPoints; i > 0; i--) {
var x = byteOrder ? buffer.readDoubleLE(offset) : buffer.readDoubleBE(offset); offset += 8;
var y = byteOrder ? buffer.readDoubleLE(offset) : buffer.readDoubleBE(offset); offset += 8;
result.push({x: x, y: y});
}
break;
case 3: // WKBPolygon
var numRings = byteOrder ? buffer.readUInt32LE(offset) : buffer.readUInt32BE(offset); offset += 4;
result = [];
for (var i = numRings; i > 0; i--) {
var numPoints = byteOrder ? buffer.readUInt32LE(offset) : buffer.readUInt32BE(offset); offset += 4;
var line = [];
for (var j = numPoints; j > 0; j--) {
var x = byteOrder ? buffer.readDoubleLE(offset) : buffer.readDoubleBE(offset); offset += 8;
var y = byteOrder ? buffer.readDoubleLE(offset) : buffer.readDoubleBE(offset); offset += 8;
line.push({x: x, y: y});
}
result.push(line);
}
break;
case 4: // WKBMultiPoint
case 5: // WKBMultiLineString
case 6: // WKBMultiPolygon
case 7: // WKBGeometryCollection
var num = byteOrder ? buffer.readUInt32LE(offset) : buffer.readUInt32BE(offset); offset += 4;
var result = [];
for (var i = num; i > 0; i--) {
result.push(parseGeometry());
}
break;
}
return result;
}
return parseGeometry();
};
Parser.prototype.reachedPacketEnd = function() {
return this._offset === this._packetEnd;
};
Parser.prototype.incrementPacketNumber = function() {
var currentPacketNumber = this._nextPacketNumber;
this._nextPacketNumber = (this._nextPacketNumber + 1) % 256;
return currentPacketNumber;
};
Parser.prototype.resetPacketNumber = function() {
this._nextPacketNumber = 0;
};
Parser.prototype.packetLength = function packetLength() {
if (!this._packetHeader) {
return null;
}
return this._packetHeader.length + this._longPacketBuffers.size;
};
Parser.prototype._combineNextBuffers = function _combineNextBuffers(bytes) {
var length = this._buffer.length - this._offset;
if (length >= bytes) {
return true;
}
if ((length + this._nextBuffers.size) < bytes) {
return false;
}
var buffers = [];
var bytesNeeded = bytes - length;
while (bytesNeeded > 0) {
var buffer = this._nextBuffers.shift();
buffers.push(buffer);
bytesNeeded -= buffer.length;
}
this.append(buffers);
return true;
};
Parser.prototype._combineLongPacketBuffers = function _combineLongPacketBuffers() {
if (!this._longPacketBuffers.size) {
return;
}
// Calculate bytes
var remainingBytes = this._buffer.length - this._offset;
var trailingPacketBytes = this._buffer.length - this._packetEnd;
// Create buffer
var buf = null;
var buffer = Buffer.allocUnsafe(remainingBytes + this._longPacketBuffers.size);
var offset = 0;
// Copy long buffers
while ((buf = this._longPacketBuffers.shift())) {
offset += buf.copy(buffer, offset);
}
// Copy remaining bytes
this._buffer.copy(buffer, offset, this._offset);
this._buffer = buffer;
this._offset = 0;
this._packetEnd = this._buffer.length - trailingPacketBytes;
this._packetOffset = 0;
};
Parser.prototype._parsePacket = function _parsePacket(packetHeader) {
this._packetEnd = this._offset + packetHeader.length;
this._packetOffset = this._offset;
if (packetHeader.length === MAX_PACKET_LENGTH) {
this._longPacketBuffers.push(this._buffer.slice(this._packetOffset, this._packetEnd));
this._advanceToNextPacket();
return;
}
this._combineLongPacketBuffers();
var hadException = true;
try {
this._onPacket(packetHeader);
hadException = false;
} catch (err) {
if (!err || typeof err.code !== 'string' || err.code.substr(0, 7) !== 'PARSER_') {
throw err; // Rethrow non-MySQL errors
}
// Pass down parser errors
this._onError(err);
hadException = false;
} finally {
this._advanceToNextPacket();
// If there was an exception, the parser while loop will be broken out
// of after the finally block. So schedule a blank write to re-enter it
// to continue parsing any bytes that may already have been received.
if (hadException) {
process.nextTick(this.write.bind(this));
}
}
};
Parser.prototype._tryReadPacketHeader = function _tryReadPacketHeader() {
if (this._packetHeader) {
return this._packetHeader;
}
if (!this._combineNextBuffers(PACKET_HEADER_LENGTH)) {
return null;
}
this._packetHeader = new PacketHeader(
this.parseUnsignedNumber(3),
this.parseUnsignedNumber(1)
);
if (this._packetHeader.number !== this._nextPacketNumber) {
var err = new Error(
'Packets out of order. Got: ' + this._packetHeader.number + ' ' +
'Expected: ' + this._nextPacketNumber
);
err.code = 'PROTOCOL_PACKETS_OUT_OF_ORDER';
err.fatal = true;
this._onError(err);
}
this.incrementPacketNumber();
return this._packetHeader;
};
Parser.prototype._advanceToNextPacket = function() {
this._offset = this._packetEnd;
this._packetHeader = null;
this._packetEnd = null;
this._packetOffset = null;
};

463
node_modules/mysql/lib/protocol/Protocol.js generated vendored Normal file
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@ -0,0 +1,463 @@
var Parser = require('./Parser');
var Sequences = require('./sequences');
var Packets = require('./packets');
var Stream = require('stream').Stream;
var Util = require('util');
var PacketWriter = require('./PacketWriter');
module.exports = Protocol;
Util.inherits(Protocol, Stream);
function Protocol(options) {
Stream.call(this);
options = options || {};
this.readable = true;
this.writable = true;
this._config = options.config || {};
this._connection = options.connection;
this._callback = null;
this._fatalError = null;
this._quitSequence = null;
this._handshake = false;
this._handshaked = false;
this._ended = false;
this._destroyed = false;
this._queue = [];
this._handshakeInitializationPacket = null;
this._parser = new Parser({
onError : this.handleParserError.bind(this),
onPacket : this._parsePacket.bind(this),
config : this._config
});
}
Protocol.prototype.write = function(buffer) {
this._parser.write(buffer);
return true;
};
Protocol.prototype.handshake = function handshake(options, callback) {
if (typeof options === 'function') {
callback = options;
options = {};
}
options = options || {};
options.config = this._config;
var sequence = this._enqueue(new Sequences.Handshake(options, callback));
this._handshake = true;
return sequence;
};
Protocol.prototype.query = function query(options, callback) {
return this._enqueue(new Sequences.Query(options, callback));
};
Protocol.prototype.changeUser = function changeUser(options, callback) {
return this._enqueue(new Sequences.ChangeUser(options, callback));
};
Protocol.prototype.ping = function ping(options, callback) {
if (typeof options === 'function') {
callback = options;
options = {};
}
return this._enqueue(new Sequences.Ping(options, callback));
};
Protocol.prototype.stats = function stats(options, callback) {
if (typeof options === 'function') {
callback = options;
options = {};
}
return this._enqueue(new Sequences.Statistics(options, callback));
};
Protocol.prototype.quit = function quit(options, callback) {
if (typeof options === 'function') {
callback = options;
options = {};
}
var self = this;
var sequence = this._enqueue(new Sequences.Quit(options, callback));
sequence.on('end', function () {
self.end();
});
return this._quitSequence = sequence;
};
Protocol.prototype.end = function() {
if (this._ended) {
return;
}
this._ended = true;
if (this._quitSequence && (this._quitSequence._ended || this._queue[0] === this._quitSequence)) {
this._quitSequence.end();
this.emit('end');
return;
}
var err = new Error('Connection lost: The server closed the connection.');
err.fatal = true;
err.code = 'PROTOCOL_CONNECTION_LOST';
this._delegateError(err);
};
Protocol.prototype.pause = function() {
this._parser.pause();
// Since there is a file stream in query, we must transmit pause/resume event to current sequence.
var seq = this._queue[0];
if (seq && seq.emit) {
seq.emit('pause');
}
};
Protocol.prototype.resume = function() {
this._parser.resume();
// Since there is a file stream in query, we must transmit pause/resume event to current sequence.
var seq = this._queue[0];
if (seq && seq.emit) {
seq.emit('resume');
}
};
Protocol.prototype._enqueue = function(sequence) {
if (!this._validateEnqueue(sequence)) {
return sequence;
}
if (this._config.trace) {
// Long stack trace support
sequence._callSite = sequence._callSite || new Error();
}
this._queue.push(sequence);
this.emit('enqueue', sequence);
var self = this;
sequence
.on('error', function(err) {
self._delegateError(err, sequence);
})
.on('packet', function(packet) {
sequence._timer.active();
self._emitPacket(packet);
})
.on('timeout', function() {
var err = new Error(sequence.constructor.name + ' inactivity timeout');
err.code = 'PROTOCOL_SEQUENCE_TIMEOUT';
err.fatal = true;
err.timeout = sequence._timeout;
self._delegateError(err, sequence);
});
if (sequence.constructor === Sequences.Handshake) {
sequence.on('start-tls', function () {
sequence._timer.active();
self._connection._startTLS(function(err) {
if (err) {
// SSL negotiation error are fatal
err.code = 'HANDSHAKE_SSL_ERROR';
err.fatal = true;
sequence.end(err);
return;
}
sequence._timer.active();
sequence._tlsUpgradeCompleteHandler();
});
});
sequence.on('end', function () {
self._handshaked = true;
if (!self._fatalError) {
self.emit('handshake', self._handshakeInitializationPacket);
}
});
}
sequence.on('end', function () {
self._dequeue(sequence);
});
if (this._queue.length === 1) {
this._parser.resetPacketNumber();
this._startSequence(sequence);
}
return sequence;
};
Protocol.prototype._validateEnqueue = function _validateEnqueue(sequence) {
var err;
var prefix = 'Cannot enqueue ' + sequence.constructor.name;
if (this._fatalError) {
err = new Error(prefix + ' after fatal error.');
err.code = 'PROTOCOL_ENQUEUE_AFTER_FATAL_ERROR';
} else if (this._quitSequence) {
err = new Error(prefix + ' after invoking quit.');
err.code = 'PROTOCOL_ENQUEUE_AFTER_QUIT';
} else if (this._destroyed) {
err = new Error(prefix + ' after being destroyed.');
err.code = 'PROTOCOL_ENQUEUE_AFTER_DESTROY';
} else if ((this._handshake || this._handshaked) && sequence.constructor === Sequences.Handshake) {
err = new Error(prefix + ' after already enqueuing a Handshake.');
err.code = 'PROTOCOL_ENQUEUE_HANDSHAKE_TWICE';
} else {
return true;
}
var self = this;
err.fatal = false;
// add error handler
sequence.on('error', function (err) {
self._delegateError(err, sequence);
});
process.nextTick(function () {
sequence.end(err);
});
return false;
};
Protocol.prototype._parsePacket = function() {
var sequence = this._queue[0];
if (!sequence) {
var err = new Error('Received packet with no active sequence.');
err.code = 'PROTOCOL_STRAY_PACKET';
err.fatal = true;
this._delegateError(err);
return;
}
var Packet = this._determinePacket(sequence);
var packet = new Packet({protocol41: this._config.protocol41});
var packetName = Packet.name;
// Special case: Faster dispatch, and parsing done inside sequence
if (Packet === Packets.RowDataPacket) {
sequence.RowDataPacket(packet, this._parser, this._connection);
if (this._config.debug) {
this._debugPacket(true, packet);
}
return;
}
if (this._config.debug) {
this._parsePacketDebug(packet);
} else {
packet.parse(this._parser);
}
if (Packet === Packets.HandshakeInitializationPacket) {
this._handshakeInitializationPacket = packet;
this.emit('initialize', packet);
}
sequence._timer.active();
if (!sequence[packetName]) {
var err = new Error('Received packet in the wrong sequence.');
err.code = 'PROTOCOL_INCORRECT_PACKET_SEQUENCE';
err.fatal = true;
this._delegateError(err);
return;
}
sequence[packetName](packet);
};
Protocol.prototype._parsePacketDebug = function _parsePacketDebug(packet) {
try {
packet.parse(this._parser);
} finally {
this._debugPacket(true, packet);
}
};
Protocol.prototype._emitPacket = function(packet) {
var packetWriter = new PacketWriter();
packet.write(packetWriter);
this.emit('data', packetWriter.toBuffer(this._parser));
if (this._config.debug) {
this._debugPacket(false, packet);
}
};
Protocol.prototype._determinePacket = function(sequence) {
var firstByte = this._parser.peak();
if (sequence.determinePacket) {
var Packet = sequence.determinePacket(firstByte, this._parser);
if (Packet) {
return Packet;
}
}
switch (firstByte) {
case 0x00: return Packets.OkPacket;
case 0xfe: return Packets.EofPacket;
case 0xff: return Packets.ErrorPacket;
}
throw new Error('Could not determine packet, firstByte = ' + firstByte);
};
Protocol.prototype._dequeue = function(sequence) {
sequence._timer.stop();
// No point in advancing the queue, we are dead
if (this._fatalError) {
return;
}
this._queue.shift();
var sequence = this._queue[0];
if (!sequence) {
this.emit('drain');
return;
}
this._parser.resetPacketNumber();
this._startSequence(sequence);
};
Protocol.prototype._startSequence = function(sequence) {
if (sequence._timeout > 0 && isFinite(sequence._timeout)) {
sequence._timer.start(sequence._timeout);
}
if (sequence.constructor === Sequences.ChangeUser) {
sequence.start(this._handshakeInitializationPacket);
} else {
sequence.start();
}
};
Protocol.prototype.handleNetworkError = function(err) {
err.fatal = true;
var sequence = this._queue[0];
if (sequence) {
sequence.end(err);
} else {
this._delegateError(err);
}
};
Protocol.prototype.handleParserError = function handleParserError(err) {
var sequence = this._queue[0];
if (sequence) {
sequence.end(err);
} else {
this._delegateError(err);
}
};
Protocol.prototype._delegateError = function(err, sequence) {
// Stop delegating errors after the first fatal error
if (this._fatalError) {
return;
}
if (err.fatal) {
this._fatalError = err;
}
if (this._shouldErrorBubbleUp(err, sequence)) {
// Can't use regular 'error' event here as that always destroys the pipe
// between socket and protocol which is not what we want (unless the
// exception was fatal).
this.emit('unhandledError', err);
} else if (err.fatal) {
// Send fatal error to all sequences in the queue
var queue = this._queue;
process.nextTick(function () {
queue.forEach(function (sequence) {
sequence.end(err);
});
queue.length = 0;
});
}
// Make sure the stream we are piping to is getting closed
if (err.fatal) {
this.emit('end', err);
}
};
Protocol.prototype._shouldErrorBubbleUp = function(err, sequence) {
if (sequence) {
if (sequence.hasErrorHandler()) {
return false;
} else if (!err.fatal) {
return true;
}
}
return (err.fatal && !this._hasPendingErrorHandlers());
};
Protocol.prototype._hasPendingErrorHandlers = function() {
return this._queue.some(function(sequence) {
return sequence.hasErrorHandler();
});
};
Protocol.prototype.destroy = function() {
this._destroyed = true;
this._parser.pause();
if (this._connection.state !== 'disconnected') {
if (!this._ended) {
this.end();
}
}
};
Protocol.prototype._debugPacket = function(incoming, packet) {
var connection = this._connection;
var direction = incoming
? '<--'
: '-->';
var packetName = packet.constructor.name;
var threadId = connection && connection.threadId !== null
? ' (' + connection.threadId + ')'
: '';
// check for debug packet restriction
if (Array.isArray(this._config.debug) && this._config.debug.indexOf(packetName) === -1) {
return;
}
var packetPayload = Util.inspect(packet).replace(/^[^{]+/, '');
console.log('%s%s %s %s\n', direction, threadId, packetName, packetPayload);
};

7
node_modules/mysql/lib/protocol/ResultSet.js generated vendored Normal file
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@ -0,0 +1,7 @@
module.exports = ResultSet;
function ResultSet(resultSetHeaderPacket) {
this.resultSetHeaderPacket = resultSetHeaderPacket;
this.fieldPackets = [];
this.eofPackets = [];
this.rows = [];
}

1
node_modules/mysql/lib/protocol/SqlString.js generated vendored Normal file
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@ -0,0 +1 @@
module.exports = require('sqlstring');

33
node_modules/mysql/lib/protocol/Timer.js generated vendored Normal file
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@ -0,0 +1,33 @@
var Timers = require('timers');
module.exports = Timer;
function Timer(object) {
this._object = object;
this._timeout = null;
}
Timer.prototype.active = function active() {
if (this._timeout) {
if (this._timeout.refresh) {
this._timeout.refresh();
} else {
Timers.active(this._timeout);
}
}
};
Timer.prototype.start = function start(msecs) {
this.stop();
this._timeout = Timers.setTimeout(this._onTimeout.bind(this), msecs);
};
Timer.prototype.stop = function stop() {
if (this._timeout) {
Timers.clearTimeout(this._timeout);
this._timeout = null;
}
};
Timer.prototype._onTimeout = function _onTimeout() {
return this._object._onTimeout();
};

262
node_modules/mysql/lib/protocol/constants/charsets.js generated vendored Normal file
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exports.BIG5_CHINESE_CI = 1;
exports.LATIN2_CZECH_CS = 2;
exports.DEC8_SWEDISH_CI = 3;
exports.CP850_GENERAL_CI = 4;
exports.LATIN1_GERMAN1_CI = 5;
exports.HP8_ENGLISH_CI = 6;
exports.KOI8R_GENERAL_CI = 7;
exports.LATIN1_SWEDISH_CI = 8;
exports.LATIN2_GENERAL_CI = 9;
exports.SWE7_SWEDISH_CI = 10;
exports.ASCII_GENERAL_CI = 11;
exports.UJIS_JAPANESE_CI = 12;
exports.SJIS_JAPANESE_CI = 13;
exports.CP1251_BULGARIAN_CI = 14;
exports.LATIN1_DANISH_CI = 15;
exports.HEBREW_GENERAL_CI = 16;
exports.TIS620_THAI_CI = 18;
exports.EUCKR_KOREAN_CI = 19;
exports.LATIN7_ESTONIAN_CS = 20;
exports.LATIN2_HUNGARIAN_CI = 21;
exports.KOI8U_GENERAL_CI = 22;
exports.CP1251_UKRAINIAN_CI = 23;
exports.GB2312_CHINESE_CI = 24;
exports.GREEK_GENERAL_CI = 25;
exports.CP1250_GENERAL_CI = 26;
exports.LATIN2_CROATIAN_CI = 27;
exports.GBK_CHINESE_CI = 28;
exports.CP1257_LITHUANIAN_CI = 29;
exports.LATIN5_TURKISH_CI = 30;
exports.LATIN1_GERMAN2_CI = 31;
exports.ARMSCII8_GENERAL_CI = 32;
exports.UTF8_GENERAL_CI = 33;
exports.CP1250_CZECH_CS = 34;
exports.UCS2_GENERAL_CI = 35;
exports.CP866_GENERAL_CI = 36;
exports.KEYBCS2_GENERAL_CI = 37;
exports.MACCE_GENERAL_CI = 38;
exports.MACROMAN_GENERAL_CI = 39;
exports.CP852_GENERAL_CI = 40;
exports.LATIN7_GENERAL_CI = 41;
exports.LATIN7_GENERAL_CS = 42;
exports.MACCE_BIN = 43;
exports.CP1250_CROATIAN_CI = 44;
exports.UTF8MB4_GENERAL_CI = 45;
exports.UTF8MB4_BIN = 46;
exports.LATIN1_BIN = 47;
exports.LATIN1_GENERAL_CI = 48;
exports.LATIN1_GENERAL_CS = 49;
exports.CP1251_BIN = 50;
exports.CP1251_GENERAL_CI = 51;
exports.CP1251_GENERAL_CS = 52;
exports.MACROMAN_BIN = 53;
exports.UTF16_GENERAL_CI = 54;
exports.UTF16_BIN = 55;
exports.UTF16LE_GENERAL_CI = 56;
exports.CP1256_GENERAL_CI = 57;
exports.CP1257_BIN = 58;
exports.CP1257_GENERAL_CI = 59;
exports.UTF32_GENERAL_CI = 60;
exports.UTF32_BIN = 61;
exports.UTF16LE_BIN = 62;
exports.BINARY = 63;
exports.ARMSCII8_BIN = 64;
exports.ASCII_BIN = 65;
exports.CP1250_BIN = 66;
exports.CP1256_BIN = 67;
exports.CP866_BIN = 68;
exports.DEC8_BIN = 69;
exports.GREEK_BIN = 70;
exports.HEBREW_BIN = 71;
exports.HP8_BIN = 72;
exports.KEYBCS2_BIN = 73;
exports.KOI8R_BIN = 74;
exports.KOI8U_BIN = 75;
exports.LATIN2_BIN = 77;
exports.LATIN5_BIN = 78;
exports.LATIN7_BIN = 79;
exports.CP850_BIN = 80;
exports.CP852_BIN = 81;
exports.SWE7_BIN = 82;
exports.UTF8_BIN = 83;
exports.BIG5_BIN = 84;
exports.EUCKR_BIN = 85;
exports.GB2312_BIN = 86;
exports.GBK_BIN = 87;
exports.SJIS_BIN = 88;
exports.TIS620_BIN = 89;
exports.UCS2_BIN = 90;
exports.UJIS_BIN = 91;
exports.GEOSTD8_GENERAL_CI = 92;
exports.GEOSTD8_BIN = 93;
exports.LATIN1_SPANISH_CI = 94;
exports.CP932_JAPANESE_CI = 95;
exports.CP932_BIN = 96;
exports.EUCJPMS_JAPANESE_CI = 97;
exports.EUCJPMS_BIN = 98;
exports.CP1250_POLISH_CI = 99;
exports.UTF16_UNICODE_CI = 101;
exports.UTF16_ICELANDIC_CI = 102;
exports.UTF16_LATVIAN_CI = 103;
exports.UTF16_ROMANIAN_CI = 104;
exports.UTF16_SLOVENIAN_CI = 105;
exports.UTF16_POLISH_CI = 106;
exports.UTF16_ESTONIAN_CI = 107;
exports.UTF16_SPANISH_CI = 108;
exports.UTF16_SWEDISH_CI = 109;
exports.UTF16_TURKISH_CI = 110;
exports.UTF16_CZECH_CI = 111;
exports.UTF16_DANISH_CI = 112;
exports.UTF16_LITHUANIAN_CI = 113;
exports.UTF16_SLOVAK_CI = 114;
exports.UTF16_SPANISH2_CI = 115;
exports.UTF16_ROMAN_CI = 116;
exports.UTF16_PERSIAN_CI = 117;
exports.UTF16_ESPERANTO_CI = 118;
exports.UTF16_HUNGARIAN_CI = 119;
exports.UTF16_SINHALA_CI = 120;
exports.UTF16_GERMAN2_CI = 121;
exports.UTF16_CROATIAN_MYSQL561_CI = 122;
exports.UTF16_UNICODE_520_CI = 123;
exports.UTF16_VIETNAMESE_CI = 124;
exports.UCS2_UNICODE_CI = 128;
exports.UCS2_ICELANDIC_CI = 129;
exports.UCS2_LATVIAN_CI = 130;
exports.UCS2_ROMANIAN_CI = 131;
exports.UCS2_SLOVENIAN_CI = 132;
exports.UCS2_POLISH_CI = 133;
exports.UCS2_ESTONIAN_CI = 134;
exports.UCS2_SPANISH_CI = 135;
exports.UCS2_SWEDISH_CI = 136;
exports.UCS2_TURKISH_CI = 137;
exports.UCS2_CZECH_CI = 138;
exports.UCS2_DANISH_CI = 139;
exports.UCS2_LITHUANIAN_CI = 140;
exports.UCS2_SLOVAK_CI = 141;
exports.UCS2_SPANISH2_CI = 142;
exports.UCS2_ROMAN_CI = 143;
exports.UCS2_PERSIAN_CI = 144;
exports.UCS2_ESPERANTO_CI = 145;
exports.UCS2_HUNGARIAN_CI = 146;
exports.UCS2_SINHALA_CI = 147;
exports.UCS2_GERMAN2_CI = 148;
exports.UCS2_CROATIAN_MYSQL561_CI = 149;
exports.UCS2_UNICODE_520_CI = 150;
exports.UCS2_VIETNAMESE_CI = 151;
exports.UCS2_GENERAL_MYSQL500_CI = 159;
exports.UTF32_UNICODE_CI = 160;
exports.UTF32_ICELANDIC_CI = 161;
exports.UTF32_LATVIAN_CI = 162;
exports.UTF32_ROMANIAN_CI = 163;
exports.UTF32_SLOVENIAN_CI = 164;
exports.UTF32_POLISH_CI = 165;
exports.UTF32_ESTONIAN_CI = 166;
exports.UTF32_SPANISH_CI = 167;
exports.UTF32_SWEDISH_CI = 168;
exports.UTF32_TURKISH_CI = 169;
exports.UTF32_CZECH_CI = 170;
exports.UTF32_DANISH_CI = 171;
exports.UTF32_LITHUANIAN_CI = 172;
exports.UTF32_SLOVAK_CI = 173;
exports.UTF32_SPANISH2_CI = 174;
exports.UTF32_ROMAN_CI = 175;
exports.UTF32_PERSIAN_CI = 176;
exports.UTF32_ESPERANTO_CI = 177;
exports.UTF32_HUNGARIAN_CI = 178;
exports.UTF32_SINHALA_CI = 179;
exports.UTF32_GERMAN2_CI = 180;
exports.UTF32_CROATIAN_MYSQL561_CI = 181;
exports.UTF32_UNICODE_520_CI = 182;
exports.UTF32_VIETNAMESE_CI = 183;
exports.UTF8_UNICODE_CI = 192;
exports.UTF8_ICELANDIC_CI = 193;
exports.UTF8_LATVIAN_CI = 194;
exports.UTF8_ROMANIAN_CI = 195;
exports.UTF8_SLOVENIAN_CI = 196;
exports.UTF8_POLISH_CI = 197;
exports.UTF8_ESTONIAN_CI = 198;
exports.UTF8_SPANISH_CI = 199;
exports.UTF8_SWEDISH_CI = 200;
exports.UTF8_TURKISH_CI = 201;
exports.UTF8_CZECH_CI = 202;
exports.UTF8_DANISH_CI = 203;
exports.UTF8_LITHUANIAN_CI = 204;
exports.UTF8_SLOVAK_CI = 205;
exports.UTF8_SPANISH2_CI = 206;
exports.UTF8_ROMAN_CI = 207;
exports.UTF8_PERSIAN_CI = 208;
exports.UTF8_ESPERANTO_CI = 209;
exports.UTF8_HUNGARIAN_CI = 210;
exports.UTF8_SINHALA_CI = 211;
exports.UTF8_GERMAN2_CI = 212;
exports.UTF8_CROATIAN_MYSQL561_CI = 213;
exports.UTF8_UNICODE_520_CI = 214;
exports.UTF8_VIETNAMESE_CI = 215;
exports.UTF8_GENERAL_MYSQL500_CI = 223;
exports.UTF8MB4_UNICODE_CI = 224;
exports.UTF8MB4_ICELANDIC_CI = 225;
exports.UTF8MB4_LATVIAN_CI = 226;
exports.UTF8MB4_ROMANIAN_CI = 227;
exports.UTF8MB4_SLOVENIAN_CI = 228;
exports.UTF8MB4_POLISH_CI = 229;
exports.UTF8MB4_ESTONIAN_CI = 230;
exports.UTF8MB4_SPANISH_CI = 231;
exports.UTF8MB4_SWEDISH_CI = 232;
exports.UTF8MB4_TURKISH_CI = 233;
exports.UTF8MB4_CZECH_CI = 234;
exports.UTF8MB4_DANISH_CI = 235;
exports.UTF8MB4_LITHUANIAN_CI = 236;
exports.UTF8MB4_SLOVAK_CI = 237;
exports.UTF8MB4_SPANISH2_CI = 238;
exports.UTF8MB4_ROMAN_CI = 239;
exports.UTF8MB4_PERSIAN_CI = 240;
exports.UTF8MB4_ESPERANTO_CI = 241;
exports.UTF8MB4_HUNGARIAN_CI = 242;
exports.UTF8MB4_SINHALA_CI = 243;
exports.UTF8MB4_GERMAN2_CI = 244;
exports.UTF8MB4_CROATIAN_MYSQL561_CI = 245;
exports.UTF8MB4_UNICODE_520_CI = 246;
exports.UTF8MB4_VIETNAMESE_CI = 247;
exports.UTF8_GENERAL50_CI = 253;
// short aliases
exports.ARMSCII8 = exports.ARMSCII8_GENERAL_CI;
exports.ASCII = exports.ASCII_GENERAL_CI;
exports.BIG5 = exports.BIG5_CHINESE_CI;
exports.BINARY = exports.BINARY;
exports.CP1250 = exports.CP1250_GENERAL_CI;
exports.CP1251 = exports.CP1251_GENERAL_CI;
exports.CP1256 = exports.CP1256_GENERAL_CI;
exports.CP1257 = exports.CP1257_GENERAL_CI;
exports.CP866 = exports.CP866_GENERAL_CI;
exports.CP850 = exports.CP850_GENERAL_CI;
exports.CP852 = exports.CP852_GENERAL_CI;
exports.CP932 = exports.CP932_JAPANESE_CI;
exports.DEC8 = exports.DEC8_SWEDISH_CI;
exports.EUCJPMS = exports.EUCJPMS_JAPANESE_CI;
exports.EUCKR = exports.EUCKR_KOREAN_CI;
exports.GB2312 = exports.GB2312_CHINESE_CI;
exports.GBK = exports.GBK_CHINESE_CI;
exports.GEOSTD8 = exports.GEOSTD8_GENERAL_CI;
exports.GREEK = exports.GREEK_GENERAL_CI;
exports.HEBREW = exports.HEBREW_GENERAL_CI;
exports.HP8 = exports.HP8_ENGLISH_CI;
exports.KEYBCS2 = exports.KEYBCS2_GENERAL_CI;
exports.KOI8R = exports.KOI8R_GENERAL_CI;
exports.KOI8U = exports.KOI8U_GENERAL_CI;
exports.LATIN1 = exports.LATIN1_SWEDISH_CI;
exports.LATIN2 = exports.LATIN2_GENERAL_CI;
exports.LATIN5 = exports.LATIN5_TURKISH_CI;
exports.LATIN7 = exports.LATIN7_GENERAL_CI;
exports.MACCE = exports.MACCE_GENERAL_CI;
exports.MACROMAN = exports.MACROMAN_GENERAL_CI;
exports.SJIS = exports.SJIS_JAPANESE_CI;
exports.SWE7 = exports.SWE7_SWEDISH_CI;
exports.TIS620 = exports.TIS620_THAI_CI;
exports.UCS2 = exports.UCS2_GENERAL_CI;
exports.UJIS = exports.UJIS_JAPANESE_CI;
exports.UTF16 = exports.UTF16_GENERAL_CI;
exports.UTF16LE = exports.UTF16LE_GENERAL_CI;
exports.UTF8 = exports.UTF8_GENERAL_CI;
exports.UTF8MB4 = exports.UTF8MB4_GENERAL_CI;
exports.UTF32 = exports.UTF32_GENERAL_CI;

26
node_modules/mysql/lib/protocol/constants/client.js generated vendored Normal file
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// Manually extracted from mysql-5.5.23/include/mysql_com.h
exports.CLIENT_LONG_PASSWORD = 1; /* new more secure passwords */
exports.CLIENT_FOUND_ROWS = 2; /* Found instead of affected rows */
exports.CLIENT_LONG_FLAG = 4; /* Get all column flags */
exports.CLIENT_CONNECT_WITH_DB = 8; /* One can specify db on connect */
exports.CLIENT_NO_SCHEMA = 16; /* Don't allow database.table.column */
exports.CLIENT_COMPRESS = 32; /* Can use compression protocol */
exports.CLIENT_ODBC = 64; /* Odbc client */
exports.CLIENT_LOCAL_FILES = 128; /* Can use LOAD DATA LOCAL */
exports.CLIENT_IGNORE_SPACE = 256; /* Ignore spaces before '(' */
exports.CLIENT_PROTOCOL_41 = 512; /* New 4.1 protocol */
exports.CLIENT_INTERACTIVE = 1024; /* This is an interactive client */
exports.CLIENT_SSL = 2048; /* Switch to SSL after handshake */
exports.CLIENT_IGNORE_SIGPIPE = 4096; /* IGNORE sigpipes */
exports.CLIENT_TRANSACTIONS = 8192; /* Client knows about transactions */
exports.CLIENT_RESERVED = 16384; /* Old flag for 4.1 protocol */
exports.CLIENT_SECURE_CONNECTION = 32768; /* New 4.1 authentication */
exports.CLIENT_MULTI_STATEMENTS = 65536; /* Enable/disable multi-stmt support */
exports.CLIENT_MULTI_RESULTS = 131072; /* Enable/disable multi-results */
exports.CLIENT_PS_MULTI_RESULTS = 262144; /* Multi-results in PS-protocol */
exports.CLIENT_PLUGIN_AUTH = 524288; /* Client supports plugin authentication */
exports.CLIENT_SSL_VERIFY_SERVER_CERT = 1073741824;
exports.CLIENT_REMEMBER_OPTIONS = 2147483648;

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18
node_modules/mysql/lib/protocol/constants/field_flags.js generated vendored Normal file
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// Manually extracted from mysql-5.5.23/include/mysql_com.h
exports.NOT_NULL_FLAG = 1; /* Field can't be NULL */
exports.PRI_KEY_FLAG = 2; /* Field is part of a primary key */
exports.UNIQUE_KEY_FLAG = 4; /* Field is part of a unique key */
exports.MULTIPLE_KEY_FLAG = 8; /* Field is part of a key */
exports.BLOB_FLAG = 16; /* Field is a blob */
exports.UNSIGNED_FLAG = 32; /* Field is unsigned */
exports.ZEROFILL_FLAG = 64; /* Field is zerofill */
exports.BINARY_FLAG = 128; /* Field is binary */
/* The following are only sent to new clients */
exports.ENUM_FLAG = 256; /* field is an enum */
exports.AUTO_INCREMENT_FLAG = 512; /* field is a autoincrement field */
exports.TIMESTAMP_FLAG = 1024; /* Field is a timestamp */
exports.SET_FLAG = 2048; /* field is a set */
exports.NO_DEFAULT_VALUE_FLAG = 4096; /* Field doesn't have default value */
exports.ON_UPDATE_NOW_FLAG = 8192; /* Field is set to NOW on UPDATE */
exports.NUM_FLAG = 32768; /* Field is num (for clients) */

39
node_modules/mysql/lib/protocol/constants/server_status.js generated vendored Normal file
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// Manually extracted from mysql-5.5.23/include/mysql_com.h
/**
Is raised when a multi-statement transaction
has been started, either explicitly, by means
of BEGIN or COMMIT AND CHAIN, or
implicitly, by the first transactional
statement, when autocommit=off.
*/
exports.SERVER_STATUS_IN_TRANS = 1;
exports.SERVER_STATUS_AUTOCOMMIT = 2; /* Server in auto_commit mode */
exports.SERVER_MORE_RESULTS_EXISTS = 8; /* Multi query - next query exists */
exports.SERVER_QUERY_NO_GOOD_INDEX_USED = 16;
exports.SERVER_QUERY_NO_INDEX_USED = 32;
/**
The server was able to fulfill the clients request and opened a
read-only non-scrollable cursor for a query. This flag comes
in reply to COM_STMT_EXECUTE and COM_STMT_FETCH commands.
*/
exports.SERVER_STATUS_CURSOR_EXISTS = 64;
/**
This flag is sent when a read-only cursor is exhausted, in reply to
COM_STMT_FETCH command.
*/
exports.SERVER_STATUS_LAST_ROW_SENT = 128;
exports.SERVER_STATUS_DB_DROPPED = 256; /* A database was dropped */
exports.SERVER_STATUS_NO_BACKSLASH_ESCAPES = 512;
/**
Sent to the client if after a prepared statement reprepare
we discovered that the new statement returns a different
number of result set columns.
*/
exports.SERVER_STATUS_METADATA_CHANGED = 1024;
exports.SERVER_QUERY_WAS_SLOW = 2048;
/**
To mark ResultSet containing output parameter values.
*/
exports.SERVER_PS_OUT_PARAMS = 4096;

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72
node_modules/mysql/lib/protocol/constants/types.js generated vendored Normal file
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/**
* MySQL type constants
*
* Extracted from version 5.7.29
*
* !! Generated by generate-type-constants.js, do not modify by hand !!
*/
exports.DECIMAL = 0;
exports.TINY = 1;
exports.SHORT = 2;
exports.LONG = 3;
exports.FLOAT = 4;
exports.DOUBLE = 5;
exports.NULL = 6;
exports.TIMESTAMP = 7;
exports.LONGLONG = 8;
exports.INT24 = 9;
exports.DATE = 10;
exports.TIME = 11;
exports.DATETIME = 12;
exports.YEAR = 13;
exports.NEWDATE = 14;
exports.VARCHAR = 15;
exports.BIT = 16;
exports.TIMESTAMP2 = 17;
exports.DATETIME2 = 18;
exports.TIME2 = 19;
exports.JSON = 245;
exports.NEWDECIMAL = 246;
exports.ENUM = 247;
exports.SET = 248;
exports.TINY_BLOB = 249;
exports.MEDIUM_BLOB = 250;
exports.LONG_BLOB = 251;
exports.BLOB = 252;
exports.VAR_STRING = 253;
exports.STRING = 254;
exports.GEOMETRY = 255;
// Lookup-by-number table
exports[0] = 'DECIMAL';
exports[1] = 'TINY';
exports[2] = 'SHORT';
exports[3] = 'LONG';
exports[4] = 'FLOAT';
exports[5] = 'DOUBLE';
exports[6] = 'NULL';
exports[7] = 'TIMESTAMP';
exports[8] = 'LONGLONG';
exports[9] = 'INT24';
exports[10] = 'DATE';
exports[11] = 'TIME';
exports[12] = 'DATETIME';
exports[13] = 'YEAR';
exports[14] = 'NEWDATE';
exports[15] = 'VARCHAR';
exports[16] = 'BIT';
exports[17] = 'TIMESTAMP2';
exports[18] = 'DATETIME2';
exports[19] = 'TIME2';
exports[245] = 'JSON';
exports[246] = 'NEWDECIMAL';
exports[247] = 'ENUM';
exports[248] = 'SET';
exports[249] = 'TINY_BLOB';
exports[250] = 'MEDIUM_BLOB';
exports[251] = 'LONG_BLOB';
exports[252] = 'BLOB';
exports[253] = 'VAR_STRING';
exports[254] = 'STRING';
exports[255] = 'GEOMETRY';

20
node_modules/mysql/lib/protocol/packets/AuthSwitchRequestPacket.js generated vendored Normal file
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module.exports = AuthSwitchRequestPacket;
function AuthSwitchRequestPacket(options) {
options = options || {};
this.status = 0xfe;
this.authMethodName = options.authMethodName;
this.authMethodData = options.authMethodData;
}
AuthSwitchRequestPacket.prototype.parse = function parse(parser) {
this.status = parser.parseUnsignedNumber(1);
this.authMethodName = parser.parseNullTerminatedString();
this.authMethodData = parser.parsePacketTerminatedBuffer();
};
AuthSwitchRequestPacket.prototype.write = function write(writer) {
writer.writeUnsignedNumber(1, this.status);
writer.writeNullTerminatedString(this.authMethodName);
writer.writeBuffer(this.authMethodData);
};

14
node_modules/mysql/lib/protocol/packets/AuthSwitchResponsePacket.js generated vendored Normal file
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module.exports = AuthSwitchResponsePacket;
function AuthSwitchResponsePacket(options) {
options = options || {};
this.data = options.data;
}
AuthSwitchResponsePacket.prototype.parse = function parse(parser) {
this.data = parser.parsePacketTerminatedBuffer();
};
AuthSwitchResponsePacket.prototype.write = function write(writer) {
writer.writeBuffer(this.data);
};

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node_modules/mysql/lib/protocol/packets/ClientAuthenticationPacket.js generated vendored Normal file
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var Buffer = require('safe-buffer').Buffer;
module.exports = ClientAuthenticationPacket;
function ClientAuthenticationPacket(options) {
options = options || {};
this.clientFlags = options.clientFlags;
this.maxPacketSize = options.maxPacketSize;
this.charsetNumber = options.charsetNumber;
this.filler = undefined;
this.user = options.user;
this.scrambleBuff = options.scrambleBuff;
this.database = options.database;
this.protocol41 = options.protocol41;
}
ClientAuthenticationPacket.prototype.parse = function(parser) {
if (this.protocol41) {
this.clientFlags = parser.parseUnsignedNumber(4);
this.maxPacketSize = parser.parseUnsignedNumber(4);
this.charsetNumber = parser.parseUnsignedNumber(1);
this.filler = parser.parseFiller(23);
this.user = parser.parseNullTerminatedString();
this.scrambleBuff = parser.parseLengthCodedBuffer();
this.database = parser.parseNullTerminatedString();
} else {
this.clientFlags = parser.parseUnsignedNumber(2);
this.maxPacketSize = parser.parseUnsignedNumber(3);
this.user = parser.parseNullTerminatedString();
this.scrambleBuff = parser.parseBuffer(8);
this.database = parser.parseLengthCodedBuffer();
}
};
ClientAuthenticationPacket.prototype.write = function(writer) {
if (this.protocol41) {
writer.writeUnsignedNumber(4, this.clientFlags);
writer.writeUnsignedNumber(4, this.maxPacketSize);
writer.writeUnsignedNumber(1, this.charsetNumber);
writer.writeFiller(23);
writer.writeNullTerminatedString(this.user);
writer.writeLengthCodedBuffer(this.scrambleBuff);
writer.writeNullTerminatedString(this.database);
} else {
writer.writeUnsignedNumber(2, this.clientFlags);
writer.writeUnsignedNumber(3, this.maxPacketSize);
writer.writeNullTerminatedString(this.user);
writer.writeBuffer(this.scrambleBuff);
if (this.database && this.database.length) {
writer.writeFiller(1);
writer.writeBuffer(Buffer.from(this.database));
}
}
};

26
node_modules/mysql/lib/protocol/packets/ComChangeUserPacket.js generated vendored Normal file
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module.exports = ComChangeUserPacket;
function ComChangeUserPacket(options) {
options = options || {};
this.command = 0x11;
this.user = options.user;
this.scrambleBuff = options.scrambleBuff;
this.database = options.database;
this.charsetNumber = options.charsetNumber;
}
ComChangeUserPacket.prototype.parse = function(parser) {
this.command = parser.parseUnsignedNumber(1);
this.user = parser.parseNullTerminatedString();
this.scrambleBuff = parser.parseLengthCodedBuffer();
this.database = parser.parseNullTerminatedString();
this.charsetNumber = parser.parseUnsignedNumber(1);
};
ComChangeUserPacket.prototype.write = function(writer) {
writer.writeUnsignedNumber(1, this.command);
writer.writeNullTerminatedString(this.user);
writer.writeLengthCodedBuffer(this.scrambleBuff);
writer.writeNullTerminatedString(this.database);
writer.writeUnsignedNumber(2, this.charsetNumber);
};

12
node_modules/mysql/lib/protocol/packets/ComPingPacket.js generated vendored Normal file
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module.exports = ComPingPacket;
function ComPingPacket() {
this.command = 0x0e;
}
ComPingPacket.prototype.write = function(writer) {
writer.writeUnsignedNumber(1, this.command);
};
ComPingPacket.prototype.parse = function(parser) {
this.command = parser.parseUnsignedNumber(1);
};

15
node_modules/mysql/lib/protocol/packets/ComQueryPacket.js generated vendored Normal file
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module.exports = ComQueryPacket;
function ComQueryPacket(sql) {
this.command = 0x03;
this.sql = sql;
}
ComQueryPacket.prototype.write = function(writer) {
writer.writeUnsignedNumber(1, this.command);
writer.writeString(this.sql);
};
ComQueryPacket.prototype.parse = function(parser) {
this.command = parser.parseUnsignedNumber(1);
this.sql = parser.parsePacketTerminatedString();
};

12
node_modules/mysql/lib/protocol/packets/ComQuitPacket.js generated vendored Normal file
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module.exports = ComQuitPacket;
function ComQuitPacket() {
this.command = 0x01;
}
ComQuitPacket.prototype.parse = function parse(parser) {
this.command = parser.parseUnsignedNumber(1);
};
ComQuitPacket.prototype.write = function write(writer) {
writer.writeUnsignedNumber(1, this.command);
};

12
node_modules/mysql/lib/protocol/packets/ComStatisticsPacket.js generated vendored Normal file
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module.exports = ComStatisticsPacket;
function ComStatisticsPacket() {
this.command = 0x09;
}
ComStatisticsPacket.prototype.write = function(writer) {
writer.writeUnsignedNumber(1, this.command);
};
ComStatisticsPacket.prototype.parse = function(parser) {
this.command = parser.parseUnsignedNumber(1);
};

9
node_modules/mysql/lib/protocol/packets/EmptyPacket.js generated vendored Normal file
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module.exports = EmptyPacket;
function EmptyPacket() {
}
EmptyPacket.prototype.parse = function parse() {
};
EmptyPacket.prototype.write = function write() {
};

25
node_modules/mysql/lib/protocol/packets/EofPacket.js generated vendored Normal file
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module.exports = EofPacket;
function EofPacket(options) {
options = options || {};
this.fieldCount = undefined;
this.warningCount = options.warningCount;
this.serverStatus = options.serverStatus;
this.protocol41 = options.protocol41;
}
EofPacket.prototype.parse = function(parser) {
this.fieldCount = parser.parseUnsignedNumber(1);
if (this.protocol41) {
this.warningCount = parser.parseUnsignedNumber(2);
this.serverStatus = parser.parseUnsignedNumber(2);
}
};
EofPacket.prototype.write = function(writer) {
writer.writeUnsignedNumber(1, 0xfe);
if (this.protocol41) {
writer.writeUnsignedNumber(2, this.warningCount);
writer.writeUnsignedNumber(2, this.serverStatus);
}
};

35
node_modules/mysql/lib/protocol/packets/ErrorPacket.js generated vendored Normal file
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module.exports = ErrorPacket;
function ErrorPacket(options) {
options = options || {};
this.fieldCount = options.fieldCount;
this.errno = options.errno;
this.sqlStateMarker = options.sqlStateMarker;
this.sqlState = options.sqlState;
this.message = options.message;
}
ErrorPacket.prototype.parse = function(parser) {
this.fieldCount = parser.parseUnsignedNumber(1);
this.errno = parser.parseUnsignedNumber(2);
// sqlStateMarker ('#' = 0x23) indicates error packet format
if (parser.peak() === 0x23) {
this.sqlStateMarker = parser.parseString(1);
this.sqlState = parser.parseString(5);
}
this.message = parser.parsePacketTerminatedString();
};
ErrorPacket.prototype.write = function(writer) {
writer.writeUnsignedNumber(1, 0xff);
writer.writeUnsignedNumber(2, this.errno);
if (this.sqlStateMarker) {
writer.writeString(this.sqlStateMarker);
writer.writeString(this.sqlState);
}
writer.writeString(this.message);
};

26
node_modules/mysql/lib/protocol/packets/Field.js generated vendored Normal file
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var Types = require('../constants/types');
module.exports = Field;
function Field(options) {
options = options || {};
this.parser = options.parser;
this.packet = options.packet;
this.db = options.packet.db;
this.table = options.packet.table;
this.name = options.packet.name;
this.type = Types[options.packet.type];
this.length = options.packet.length;
}
Field.prototype.string = function () {
return this.parser.parseLengthCodedString();
};
Field.prototype.buffer = function () {
return this.parser.parseLengthCodedBuffer();
};
Field.prototype.geometry = function () {
return this.parser.parseGeometryValue();
};

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node_modules/mysql/lib/protocol/packets/FieldPacket.js generated vendored Normal file
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module.exports = FieldPacket;
function FieldPacket(options) {
options = options || {};
this.catalog = options.catalog;
this.db = options.db;
this.table = options.table;
this.orgTable = options.orgTable;
this.name = options.name;
this.orgName = options.orgName;
this.charsetNr = options.charsetNr;
this.length = options.length;
this.type = options.type;
this.flags = options.flags;
this.decimals = options.decimals;
this.default = options.default;
this.zeroFill = options.zeroFill;
this.protocol41 = options.protocol41;
}
FieldPacket.prototype.parse = function(parser) {
if (this.protocol41) {
this.catalog = parser.parseLengthCodedString();
this.db = parser.parseLengthCodedString();
this.table = parser.parseLengthCodedString();
this.orgTable = parser.parseLengthCodedString();
this.name = parser.parseLengthCodedString();
this.orgName = parser.parseLengthCodedString();
if (parser.parseLengthCodedNumber() !== 0x0c) {
var err = new TypeError('Received invalid field length');
err.code = 'PARSER_INVALID_FIELD_LENGTH';
throw err;
}
this.charsetNr = parser.parseUnsignedNumber(2);
this.length = parser.parseUnsignedNumber(4);
this.type = parser.parseUnsignedNumber(1);
this.flags = parser.parseUnsignedNumber(2);
this.decimals = parser.parseUnsignedNumber(1);
var filler = parser.parseBuffer(2);
if (filler[0] !== 0x0 || filler[1] !== 0x0) {
var err = new TypeError('Received invalid filler');
err.code = 'PARSER_INVALID_FILLER';
throw err;
}
// parsed flags
this.zeroFill = (this.flags & 0x0040 ? true : false);
if (parser.reachedPacketEnd()) {
return;
}
this.default = parser.parseLengthCodedString();
} else {
this.table = parser.parseLengthCodedString();
this.name = parser.parseLengthCodedString();
this.length = parser.parseUnsignedNumber(parser.parseUnsignedNumber(1));
this.type = parser.parseUnsignedNumber(parser.parseUnsignedNumber(1));
}
};
FieldPacket.prototype.write = function(writer) {
if (this.protocol41) {
writer.writeLengthCodedString(this.catalog);
writer.writeLengthCodedString(this.db);
writer.writeLengthCodedString(this.table);
writer.writeLengthCodedString(this.orgTable);
writer.writeLengthCodedString(this.name);
writer.writeLengthCodedString(this.orgName);
writer.writeLengthCodedNumber(0x0c);
writer.writeUnsignedNumber(2, this.charsetNr || 0);
writer.writeUnsignedNumber(4, this.length || 0);
writer.writeUnsignedNumber(1, this.type || 0);
writer.writeUnsignedNumber(2, this.flags || 0);
writer.writeUnsignedNumber(1, this.decimals || 0);
writer.writeFiller(2);
if (this.default !== undefined) {
writer.writeLengthCodedString(this.default);
}
} else {
writer.writeLengthCodedString(this.table);
writer.writeLengthCodedString(this.name);
writer.writeUnsignedNumber(1, 0x01);
writer.writeUnsignedNumber(1, this.length);
writer.writeUnsignedNumber(1, 0x01);
writer.writeUnsignedNumber(1, this.type);
}
};

103
node_modules/mysql/lib/protocol/packets/HandshakeInitializationPacket.js generated vendored Normal file
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var Buffer = require('safe-buffer').Buffer;
var Client = require('../constants/client');
module.exports = HandshakeInitializationPacket;
function HandshakeInitializationPacket(options) {
options = options || {};
this.protocolVersion = options.protocolVersion;
this.serverVersion = options.serverVersion;
this.threadId = options.threadId;
this.scrambleBuff1 = options.scrambleBuff1;
this.filler1 = options.filler1;
this.serverCapabilities1 = options.serverCapabilities1;
this.serverLanguage = options.serverLanguage;
this.serverStatus = options.serverStatus;
this.serverCapabilities2 = options.serverCapabilities2;
this.scrambleLength = options.scrambleLength;
this.filler2 = options.filler2;
this.scrambleBuff2 = options.scrambleBuff2;
this.filler3 = options.filler3;
this.pluginData = options.pluginData;
this.protocol41 = options.protocol41;
if (this.protocol41) {
// force set the bit in serverCapabilities1
this.serverCapabilities1 |= Client.CLIENT_PROTOCOL_41;
}
}
HandshakeInitializationPacket.prototype.parse = function(parser) {
this.protocolVersion = parser.parseUnsignedNumber(1);
this.serverVersion = parser.parseNullTerminatedString();
this.threadId = parser.parseUnsignedNumber(4);
this.scrambleBuff1 = parser.parseBuffer(8);
this.filler1 = parser.parseFiller(1);
this.serverCapabilities1 = parser.parseUnsignedNumber(2);
this.serverLanguage = parser.parseUnsignedNumber(1);
this.serverStatus = parser.parseUnsignedNumber(2);
this.protocol41 = (this.serverCapabilities1 & (1 << 9)) > 0;
if (this.protocol41) {
this.serverCapabilities2 = parser.parseUnsignedNumber(2);
this.scrambleLength = parser.parseUnsignedNumber(1);
this.filler2 = parser.parseFiller(10);
// scrambleBuff2 should be 0x00 terminated, but sphinx does not do this
// so we assume scrambleBuff2 to be 12 byte and treat the next byte as a
// filler byte.
this.scrambleBuff2 = parser.parseBuffer(12);
this.filler3 = parser.parseFiller(1);
} else {
this.filler2 = parser.parseFiller(13);
}
if (parser.reachedPacketEnd()) {
return;
}
// According to the docs this should be 0x00 terminated, but MariaDB does
// not do this, so we assume this string to be packet terminated.
this.pluginData = parser.parsePacketTerminatedString();
// However, if there is a trailing '\0', strip it
var lastChar = this.pluginData.length - 1;
if (this.pluginData[lastChar] === '\0') {
this.pluginData = this.pluginData.substr(0, lastChar);
}
};
HandshakeInitializationPacket.prototype.write = function(writer) {
writer.writeUnsignedNumber(1, this.protocolVersion);
writer.writeNullTerminatedString(this.serverVersion);
writer.writeUnsignedNumber(4, this.threadId);
writer.writeBuffer(this.scrambleBuff1);
writer.writeFiller(1);
writer.writeUnsignedNumber(2, this.serverCapabilities1);
writer.writeUnsignedNumber(1, this.serverLanguage);
writer.writeUnsignedNumber(2, this.serverStatus);
if (this.protocol41) {
writer.writeUnsignedNumber(2, this.serverCapabilities2);
writer.writeUnsignedNumber(1, this.scrambleLength);
writer.writeFiller(10);
}
writer.writeNullTerminatedBuffer(this.scrambleBuff2);
if (this.pluginData !== undefined) {
writer.writeNullTerminatedString(this.pluginData);
}
};
HandshakeInitializationPacket.prototype.scrambleBuff = function() {
var buffer = null;
if (typeof this.scrambleBuff2 === 'undefined') {
buffer = Buffer.from(this.scrambleBuff1);
} else {
buffer = Buffer.allocUnsafe(this.scrambleBuff1.length + this.scrambleBuff2.length);
this.scrambleBuff1.copy(buffer, 0);
this.scrambleBuff2.copy(buffer, this.scrambleBuff1.length);
}
return buffer;
};

15
node_modules/mysql/lib/protocol/packets/LocalDataFilePacket.js generated vendored Normal file
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module.exports = LocalDataFilePacket;
/**
* Create a new LocalDataFilePacket
* @constructor
* @param {Buffer} data The data contents of the packet
* @public
*/
function LocalDataFilePacket(data) {
this.data = data;
}
LocalDataFilePacket.prototype.write = function(writer) {
writer.writeBuffer(this.data);
};

21
node_modules/mysql/lib/protocol/packets/LocalInfileRequestPacket.js generated vendored Normal file
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module.exports = LocalInfileRequestPacket;
function LocalInfileRequestPacket(options) {
options = options || {};
this.filename = options.filename;
}
LocalInfileRequestPacket.prototype.parse = function parse(parser) {
if (parser.parseLengthCodedNumber() !== null) {
var err = new TypeError('Received invalid field length');
err.code = 'PARSER_INVALID_FIELD_LENGTH';
throw err;
}
this.filename = parser.parsePacketTerminatedString();
};
LocalInfileRequestPacket.prototype.write = function write(writer) {
writer.writeLengthCodedNumber(null);
writer.writeString(this.filename);
};

44
node_modules/mysql/lib/protocol/packets/OkPacket.js generated vendored Normal file
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// Language-neutral expression to match ER_UPDATE_INFO
var ER_UPDATE_INFO_REGEXP = /^[^:0-9]+: [0-9]+[^:0-9]+: ([0-9]+)[^:0-9]+: [0-9]+[^:0-9]*$/;
module.exports = OkPacket;
function OkPacket(options) {
options = options || {};
this.fieldCount = undefined;
this.affectedRows = undefined;
this.insertId = undefined;
this.serverStatus = undefined;
this.warningCount = undefined;
this.message = undefined;
this.protocol41 = options.protocol41;
}
OkPacket.prototype.parse = function(parser) {
this.fieldCount = parser.parseUnsignedNumber(1);
this.affectedRows = parser.parseLengthCodedNumber();
this.insertId = parser.parseLengthCodedNumber();
if (this.protocol41) {
this.serverStatus = parser.parseUnsignedNumber(2);
this.warningCount = parser.parseUnsignedNumber(2);
}
this.message = parser.parsePacketTerminatedString();
this.changedRows = 0;
var m = ER_UPDATE_INFO_REGEXP.exec(this.message);
if (m !== null) {
this.changedRows = parseInt(m[1], 10);
}
};
OkPacket.prototype.write = function(writer) {
writer.writeUnsignedNumber(1, 0x00);
writer.writeLengthCodedNumber(this.affectedRows || 0);
writer.writeLengthCodedNumber(this.insertId || 0);
if (this.protocol41) {
writer.writeUnsignedNumber(2, this.serverStatus || 0);
writer.writeUnsignedNumber(2, this.warningCount || 0);
}
writer.writeString(this.message);
};

14
node_modules/mysql/lib/protocol/packets/OldPasswordPacket.js generated vendored Normal file
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module.exports = OldPasswordPacket;
function OldPasswordPacket(options) {
options = options || {};
this.scrambleBuff = options.scrambleBuff;
}
OldPasswordPacket.prototype.parse = function(parser) {
this.scrambleBuff = parser.parsePacketTerminatedBuffer();
};
OldPasswordPacket.prototype.write = function(writer) {
writer.writeBuffer(this.scrambleBuff);
};

14
node_modules/mysql/lib/protocol/packets/ResultSetHeaderPacket.js generated vendored Normal file
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module.exports = ResultSetHeaderPacket;
function ResultSetHeaderPacket(options) {
options = options || {};
this.fieldCount = options.fieldCount;
}
ResultSetHeaderPacket.prototype.parse = function(parser) {
this.fieldCount = parser.parseLengthCodedNumber();
};
ResultSetHeaderPacket.prototype.write = function(writer) {
writer.writeLengthCodedNumber(this.fieldCount);
};

130
node_modules/mysql/lib/protocol/packets/RowDataPacket.js generated vendored Normal file
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var Types = require('../constants/types');
var Charsets = require('../constants/charsets');
var Field = require('./Field');
var IEEE_754_BINARY_64_PRECISION = Math.pow(2, 53);
module.exports = RowDataPacket;
function RowDataPacket() {
}
Object.defineProperty(RowDataPacket.prototype, 'parse', {
configurable : true,
enumerable : false,
value : parse
});
Object.defineProperty(RowDataPacket.prototype, '_typeCast', {
configurable : true,
enumerable : false,
value : typeCast
});
function parse(parser, fieldPackets, typeCast, nestTables, connection) {
var self = this;
var next = function () {
return self._typeCast(fieldPacket, parser, connection.config.timezone, connection.config.supportBigNumbers, connection.config.bigNumberStrings, connection.config.dateStrings);
};
for (var i = 0; i < fieldPackets.length; i++) {
var fieldPacket = fieldPackets[i];
var value;
if (typeof typeCast === 'function') {
value = typeCast.apply(connection, [ new Field({ packet: fieldPacket, parser: parser }), next ]);
} else {
value = (typeCast)
? this._typeCast(fieldPacket, parser, connection.config.timezone, connection.config.supportBigNumbers, connection.config.bigNumberStrings, connection.config.dateStrings)
: ( (fieldPacket.charsetNr === Charsets.BINARY)
? parser.parseLengthCodedBuffer()
: parser.parseLengthCodedString() );
}
if (typeof nestTables === 'string' && nestTables.length) {
this[fieldPacket.table + nestTables + fieldPacket.name] = value;
} else if (nestTables) {
this[fieldPacket.table] = this[fieldPacket.table] || {};
this[fieldPacket.table][fieldPacket.name] = value;
} else {
this[fieldPacket.name] = value;
}
}
}
function typeCast(field, parser, timeZone, supportBigNumbers, bigNumberStrings, dateStrings) {
var numberString;
switch (field.type) {
case Types.TIMESTAMP:
case Types.TIMESTAMP2:
case Types.DATE:
case Types.DATETIME:
case Types.DATETIME2:
case Types.NEWDATE:
var dateString = parser.parseLengthCodedString();
if (typeMatch(field.type, dateStrings)) {
return dateString;
}
if (dateString === null) {
return null;
}
var originalString = dateString;
if (field.type === Types.DATE) {
dateString += ' 00:00:00';
}
if (timeZone !== 'local') {
dateString += ' ' + timeZone;
}
var dt = new Date(dateString);
if (isNaN(dt.getTime())) {
return originalString;
}
return dt;
case Types.TINY:
case Types.SHORT:
case Types.LONG:
case Types.INT24:
case Types.YEAR:
case Types.FLOAT:
case Types.DOUBLE:
numberString = parser.parseLengthCodedString();
return (numberString === null || (field.zeroFill && numberString[0] === '0'))
? numberString : Number(numberString);
case Types.NEWDECIMAL:
case Types.LONGLONG:
numberString = parser.parseLengthCodedString();
return (numberString === null || (field.zeroFill && numberString[0] === '0'))
? numberString
: ((supportBigNumbers && (bigNumberStrings || (Number(numberString) >= IEEE_754_BINARY_64_PRECISION) || Number(numberString) <= -IEEE_754_BINARY_64_PRECISION))
? numberString
: Number(numberString));
case Types.BIT:
return parser.parseLengthCodedBuffer();
case Types.STRING:
case Types.VAR_STRING:
case Types.TINY_BLOB:
case Types.MEDIUM_BLOB:
case Types.LONG_BLOB:
case Types.BLOB:
return (field.charsetNr === Charsets.BINARY)
? parser.parseLengthCodedBuffer()
: parser.parseLengthCodedString();
case Types.GEOMETRY:
return parser.parseGeometryValue();
default:
return parser.parseLengthCodedString();
}
}
function typeMatch(type, list) {
if (Array.isArray(list)) {
return list.indexOf(Types[type]) !== -1;
} else {
return Boolean(list);
}
}

27
node_modules/mysql/lib/protocol/packets/SSLRequestPacket.js generated vendored Normal file
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// http://dev.mysql.com/doc/internals/en/ssl.html
// http://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::SSLRequest
var ClientConstants = require('../constants/client');
module.exports = SSLRequestPacket;
function SSLRequestPacket(options) {
options = options || {};
this.clientFlags = options.clientFlags | ClientConstants.CLIENT_SSL;
this.maxPacketSize = options.maxPacketSize;
this.charsetNumber = options.charsetNumber;
}
SSLRequestPacket.prototype.parse = function(parser) {
// TODO: check SSLRequest packet v41 vs pre v41
this.clientFlags = parser.parseUnsignedNumber(4);
this.maxPacketSize = parser.parseUnsignedNumber(4);
this.charsetNumber = parser.parseUnsignedNumber(1);
};
SSLRequestPacket.prototype.write = function(writer) {
writer.writeUnsignedNumber(4, this.clientFlags);
writer.writeUnsignedNumber(4, this.maxPacketSize);
writer.writeUnsignedNumber(1, this.charsetNumber);
writer.writeFiller(23);
};

20
node_modules/mysql/lib/protocol/packets/StatisticsPacket.js generated vendored Normal file
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module.exports = StatisticsPacket;
function StatisticsPacket() {
this.message = undefined;
}
StatisticsPacket.prototype.parse = function(parser) {
this.message = parser.parsePacketTerminatedString();
var items = this.message.split(/\s\s/);
for (var i = 0; i < items.length; i++) {
var m = items[i].match(/^(.+)\:\s+(.+)$/);
if (m !== null) {
this[m[1].toLowerCase().replace(/\s/g, '_')] = Number(m[2]);
}
}
};
StatisticsPacket.prototype.write = function(writer) {
writer.writeString(this.message);
};

14
node_modules/mysql/lib/protocol/packets/UseOldPasswordPacket.js generated vendored Normal file
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module.exports = UseOldPasswordPacket;
function UseOldPasswordPacket(options) {
options = options || {};
this.firstByte = options.firstByte || 0xfe;
}
UseOldPasswordPacket.prototype.parse = function(parser) {
this.firstByte = parser.parseUnsignedNumber(1);
};
UseOldPasswordPacket.prototype.write = function(writer) {
writer.writeUnsignedNumber(1, this.firstByte);
};

23
node_modules/mysql/lib/protocol/packets/index.js generated vendored Normal file
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exports.AuthSwitchRequestPacket = require('./AuthSwitchRequestPacket');
exports.AuthSwitchResponsePacket = require('./AuthSwitchResponsePacket');
exports.ClientAuthenticationPacket = require('./ClientAuthenticationPacket');
exports.ComChangeUserPacket = require('./ComChangeUserPacket');
exports.ComPingPacket = require('./ComPingPacket');
exports.ComQueryPacket = require('./ComQueryPacket');
exports.ComQuitPacket = require('./ComQuitPacket');
exports.ComStatisticsPacket = require('./ComStatisticsPacket');
exports.EmptyPacket = require('./EmptyPacket');
exports.EofPacket = require('./EofPacket');
exports.ErrorPacket = require('./ErrorPacket');
exports.Field = require('./Field');
exports.FieldPacket = require('./FieldPacket');
exports.HandshakeInitializationPacket = require('./HandshakeInitializationPacket');
exports.LocalDataFilePacket = require('./LocalDataFilePacket');
exports.LocalInfileRequestPacket = require('./LocalInfileRequestPacket');
exports.OkPacket = require('./OkPacket');
exports.OldPasswordPacket = require('./OldPasswordPacket');
exports.ResultSetHeaderPacket = require('./ResultSetHeaderPacket');
exports.RowDataPacket = require('./RowDataPacket');
exports.SSLRequestPacket = require('./SSLRequestPacket');
exports.StatisticsPacket = require('./StatisticsPacket');
exports.UseOldPasswordPacket = require('./UseOldPasswordPacket');

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node_modules/mysql/lib/protocol/sequences/ChangeUser.js generated vendored Normal file
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var Sequence = require('./Sequence');
var Util = require('util');
var Packets = require('../packets');
var Auth = require('../Auth');
module.exports = ChangeUser;
Util.inherits(ChangeUser, Sequence);
function ChangeUser(options, callback) {
Sequence.call(this, options, callback);
this._user = options.user;
this._password = options.password;
this._database = options.database;
this._charsetNumber = options.charsetNumber;
this._currentConfig = options.currentConfig;
}
ChangeUser.prototype.determinePacket = function determinePacket(firstByte) {
switch (firstByte) {
case 0xfe: return Packets.AuthSwitchRequestPacket;
case 0xff: return Packets.ErrorPacket;
default: return undefined;
}
};
ChangeUser.prototype.start = function(handshakeInitializationPacket) {
var scrambleBuff = handshakeInitializationPacket.scrambleBuff();
scrambleBuff = Auth.token(this._password, scrambleBuff);
var packet = new Packets.ComChangeUserPacket({
user : this._user,
scrambleBuff : scrambleBuff,
database : this._database,
charsetNumber : this._charsetNumber
});
this._currentConfig.user = this._user;
this._currentConfig.password = this._password;
this._currentConfig.database = this._database;
this._currentConfig.charsetNumber = this._charsetNumber;
this.emit('packet', packet);
};
ChangeUser.prototype['AuthSwitchRequestPacket'] = function (packet) {
var name = packet.authMethodName;
var data = Auth.auth(name, packet.authMethodData, {
password: this._password
});
if (data !== undefined) {
this.emit('packet', new Packets.AuthSwitchResponsePacket({
data: data
}));
} else {
var err = new Error('MySQL is requesting the ' + name + ' authentication method, which is not supported.');
err.code = 'UNSUPPORTED_AUTH_METHOD';
err.fatal = true;
this.end(err);
}
};
ChangeUser.prototype['ErrorPacket'] = function(packet) {
var err = this._packetToError(packet);
err.fatal = true;
this.end(err);
};

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node_modules/mysql/lib/protocol/sequences/Handshake.js generated vendored Normal file
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var Sequence = require('./Sequence');
var Util = require('util');
var Packets = require('../packets');
var Auth = require('../Auth');
var ClientConstants = require('../constants/client');
module.exports = Handshake;
Util.inherits(Handshake, Sequence);
function Handshake(options, callback) {
Sequence.call(this, options, callback);
options = options || {};
this._config = options.config;
this._handshakeInitializationPacket = null;
}
Handshake.prototype.determinePacket = function determinePacket(firstByte, parser) {
if (firstByte === 0xff) {
return Packets.ErrorPacket;
}
if (!this._handshakeInitializationPacket) {
return Packets.HandshakeInitializationPacket;
}
if (firstByte === 0xfe) {
return (parser.packetLength() === 1)
? Packets.UseOldPasswordPacket
: Packets.AuthSwitchRequestPacket;
}
return undefined;
};
Handshake.prototype['AuthSwitchRequestPacket'] = function (packet) {
var name = packet.authMethodName;
var data = Auth.auth(name, packet.authMethodData, {
password: this._config.password
});
if (data !== undefined) {
this.emit('packet', new Packets.AuthSwitchResponsePacket({
data: data
}));
} else {
var err = new Error('MySQL is requesting the ' + name + ' authentication method, which is not supported.');
err.code = 'UNSUPPORTED_AUTH_METHOD';
err.fatal = true;
this.end(err);
}
};
Handshake.prototype['HandshakeInitializationPacket'] = function(packet) {
this._handshakeInitializationPacket = packet;
this._config.protocol41 = packet.protocol41;
var serverSSLSupport = packet.serverCapabilities1 & ClientConstants.CLIENT_SSL;
if (this._config.ssl) {
if (!serverSSLSupport) {
var err = new Error('Server does not support secure connection');
err.code = 'HANDSHAKE_NO_SSL_SUPPORT';
err.fatal = true;
this.end(err);
return;
}
this._config.clientFlags |= ClientConstants.CLIENT_SSL;
this.emit('packet', new Packets.SSLRequestPacket({
clientFlags : this._config.clientFlags,
maxPacketSize : this._config.maxPacketSize,
charsetNumber : this._config.charsetNumber
}));
this.emit('start-tls');
} else {
this._sendCredentials();
}
};
Handshake.prototype._tlsUpgradeCompleteHandler = function() {
this._sendCredentials();
};
Handshake.prototype._sendCredentials = function() {
var packet = this._handshakeInitializationPacket;
this.emit('packet', new Packets.ClientAuthenticationPacket({
clientFlags : this._config.clientFlags,
maxPacketSize : this._config.maxPacketSize,
charsetNumber : this._config.charsetNumber,
user : this._config.user,
database : this._config.database,
protocol41 : packet.protocol41,
scrambleBuff : (packet.protocol41)
? Auth.token(this._config.password, packet.scrambleBuff())
: Auth.scramble323(packet.scrambleBuff(), this._config.password)
}));
};
Handshake.prototype['UseOldPasswordPacket'] = function() {
if (!this._config.insecureAuth) {
var err = new Error(
'MySQL server is requesting the old and insecure pre-4.1 auth mechanism. ' +
'Upgrade the user password or use the {insecureAuth: true} option.'
);
err.code = 'HANDSHAKE_INSECURE_AUTH';
err.fatal = true;
this.end(err);
return;
}
this.emit('packet', new Packets.OldPasswordPacket({
scrambleBuff: Auth.scramble323(this._handshakeInitializationPacket.scrambleBuff(), this._config.password)
}));
};
Handshake.prototype['ErrorPacket'] = function(packet) {
var err = this._packetToError(packet, true);
err.fatal = true;
this.end(err);
};

19
node_modules/mysql/lib/protocol/sequences/Ping.js generated vendored Normal file
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var Sequence = require('./Sequence');
var Util = require('util');
var Packets = require('../packets');
module.exports = Ping;
Util.inherits(Ping, Sequence);
function Ping(options, callback) {
if (!callback && typeof options === 'function') {
callback = options;
options = {};
}
Sequence.call(this, options, callback);
}
Ping.prototype.start = function() {
this.emit('packet', new Packets.ComPingPacket());
};

228
node_modules/mysql/lib/protocol/sequences/Query.js generated vendored Normal file
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var ClientConstants = require('../constants/client');
var fs = require('fs');
var Packets = require('../packets');
var ResultSet = require('../ResultSet');
var Sequence = require('./Sequence');
var ServerStatus = require('../constants/server_status');
var Readable = require('readable-stream');
var Util = require('util');
module.exports = Query;
Util.inherits(Query, Sequence);
function Query(options, callback) {
Sequence.call(this, options, callback);
this.sql = options.sql;
this.values = options.values;
this.typeCast = (options.typeCast === undefined)
? true
: options.typeCast;
this.nestTables = options.nestTables || false;
this._resultSet = null;
this._results = [];
this._fields = [];
this._index = 0;
this._loadError = null;
}
Query.prototype.start = function() {
this.emit('packet', new Packets.ComQueryPacket(this.sql));
};
Query.prototype.determinePacket = function determinePacket(byte, parser) {
var resultSet = this._resultSet;
if (!resultSet) {
switch (byte) {
case 0x00: return Packets.OkPacket;
case 0xfb: return Packets.LocalInfileRequestPacket;
case 0xff: return Packets.ErrorPacket;
default: return Packets.ResultSetHeaderPacket;
}
}
if (resultSet.eofPackets.length === 0) {
return (resultSet.fieldPackets.length < resultSet.resultSetHeaderPacket.fieldCount)
? Packets.FieldPacket
: Packets.EofPacket;
}
if (byte === 0xff) {
return Packets.ErrorPacket;
}
if (byte === 0xfe && parser.packetLength() < 9) {
return Packets.EofPacket;
}
return Packets.RowDataPacket;
};
Query.prototype['OkPacket'] = function(packet) {
// try...finally for exception safety
try {
if (!this._callback) {
this.emit('result', packet, this._index);
} else {
this._results.push(packet);
this._fields.push(undefined);
}
} finally {
this._index++;
this._resultSet = null;
this._handleFinalResultPacket(packet);
}
};
Query.prototype['ErrorPacket'] = function(packet) {
var err = this._packetToError(packet);
var results = (this._results.length > 0)
? this._results
: undefined;
var fields = (this._fields.length > 0)
? this._fields
: undefined;
err.index = this._index;
err.sql = this.sql;
this.end(err, results, fields);
};
Query.prototype['LocalInfileRequestPacket'] = function(packet) {
if (this._connection.config.clientFlags & ClientConstants.CLIENT_LOCAL_FILES) {
this._sendLocalDataFile(packet.filename);
} else {
this._loadError = new Error('Load local files command is disabled');
this._loadError.code = 'LOCAL_FILES_DISABLED';
this._loadError.fatal = false;
this.emit('packet', new Packets.EmptyPacket());
}
};
Query.prototype['ResultSetHeaderPacket'] = function(packet) {
this._resultSet = new ResultSet(packet);
};
Query.prototype['FieldPacket'] = function(packet) {
this._resultSet.fieldPackets.push(packet);
};
Query.prototype['EofPacket'] = function(packet) {
this._resultSet.eofPackets.push(packet);
if (this._resultSet.eofPackets.length === 1 && !this._callback) {
this.emit('fields', this._resultSet.fieldPackets, this._index);
}
if (this._resultSet.eofPackets.length !== 2) {
return;
}
if (this._callback) {
this._results.push(this._resultSet.rows);
this._fields.push(this._resultSet.fieldPackets);
}
this._index++;
this._resultSet = null;
this._handleFinalResultPacket(packet);
};
Query.prototype._handleFinalResultPacket = function(packet) {
if (packet.serverStatus & ServerStatus.SERVER_MORE_RESULTS_EXISTS) {
return;
}
var results = (this._results.length > 1)
? this._results
: this._results[0];
var fields = (this._fields.length > 1)
? this._fields
: this._fields[0];
this.end(this._loadError, results, fields);
};
Query.prototype['RowDataPacket'] = function(packet, parser, connection) {
packet.parse(parser, this._resultSet.fieldPackets, this.typeCast, this.nestTables, connection);
if (this._callback) {
this._resultSet.rows.push(packet);
} else {
this.emit('result', packet, this._index);
}
};
Query.prototype._sendLocalDataFile = function(path) {
var self = this;
var localStream = fs.createReadStream(path, {
flag : 'r',
encoding : null,
autoClose : true
});
this.on('pause', function () {
localStream.pause();
});
this.on('resume', function () {
localStream.resume();
});
localStream.on('data', function (data) {
self.emit('packet', new Packets.LocalDataFilePacket(data));
});
localStream.on('error', function (err) {
self._loadError = err;
localStream.emit('end');
});
localStream.on('end', function () {
self.emit('packet', new Packets.EmptyPacket());
});
};
Query.prototype.stream = function(options) {
var self = this;
options = options || {};
options.objectMode = true;
var stream = new Readable(options);
stream._read = function() {
self._connection && self._connection.resume();
};
stream.once('end', function() {
process.nextTick(function () {
stream.emit('close');
});
});
this.on('result', function(row, i) {
if (!stream.push(row)) self._connection.pause();
stream.emit('result', row, i); // replicate old emitter
});
this.on('error', function(err) {
stream.emit('error', err); // Pass on any errors
});
this.on('end', function() {
stream.push(null); // pushing null, indicating EOF
});
this.on('fields', function(fields, i) {
stream.emit('fields', fields, i); // replicate old emitter
});
return stream;
};

40
node_modules/mysql/lib/protocol/sequences/Quit.js generated vendored Normal file
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var Sequence = require('./Sequence');
var Util = require('util');
var Packets = require('../packets');
module.exports = Quit;
Util.inherits(Quit, Sequence);
function Quit(options, callback) {
if (!callback && typeof options === 'function') {
callback = options;
options = {};
}
Sequence.call(this, options, callback);
this._started = false;
}
Quit.prototype.end = function end(err) {
if (this._ended) {
return;
}
if (!this._started) {
Sequence.prototype.end.call(this, err);
return;
}
if (err && err.code === 'ECONNRESET' && err.syscall === 'read') {
// Ignore read errors after packet sent
Sequence.prototype.end.call(this);
return;
}
Sequence.prototype.end.call(this, err);
};
Quit.prototype.start = function() {
this._started = true;
this.emit('packet', new Packets.ComQuitPacket());
};

125
node_modules/mysql/lib/protocol/sequences/Sequence.js generated vendored Normal file
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var Util = require('util');
var EventEmitter = require('events').EventEmitter;
var Packets = require('../packets');
var ErrorConstants = require('../constants/errors');
var Timer = require('../Timer');
// istanbul ignore next: Node.js < 0.10 not covered
var listenerCount = EventEmitter.listenerCount
|| function(emitter, type){ return emitter.listeners(type).length; };
var LONG_STACK_DELIMITER = '\n --------------------\n';
module.exports = Sequence;
Util.inherits(Sequence, EventEmitter);
function Sequence(options, callback) {
if (typeof options === 'function') {
callback = options;
options = {};
}
EventEmitter.call(this);
options = options || {};
this._callback = callback;
this._callSite = null;
this._ended = false;
this._timeout = options.timeout;
this._timer = new Timer(this);
}
Sequence.determinePacket = function(byte) {
switch (byte) {
case 0x00: return Packets.OkPacket;
case 0xfe: return Packets.EofPacket;
case 0xff: return Packets.ErrorPacket;
default: return undefined;
}
};
Sequence.prototype.hasErrorHandler = function() {
return Boolean(this._callback) || listenerCount(this, 'error') > 1;
};
Sequence.prototype._packetToError = function(packet) {
var code = ErrorConstants[packet.errno] || 'UNKNOWN_CODE_PLEASE_REPORT';
var err = new Error(code + ': ' + packet.message);
err.code = code;
err.errno = packet.errno;
err.sqlMessage = packet.message;
err.sqlState = packet.sqlState;
return err;
};
Sequence.prototype.end = function(err) {
if (this._ended) {
return;
}
this._ended = true;
if (err) {
this._addLongStackTrace(err);
}
// Without this we are leaking memory. This problem was introduced in
// 8189925374e7ce3819bbe88b64c7b15abac96b16. I suspect that the error object
// causes a cyclic reference that the GC does not detect properly, but I was
// unable to produce a standalone version of this leak. This would be a great
// challenge for somebody interested in difficult problems : )!
this._callSite = null;
// try...finally for exception safety
try {
if (err) {
this.emit('error', err);
}
} finally {
try {
if (this._callback) {
this._callback.apply(this, arguments);
}
} finally {
this.emit('end');
}
}
};
Sequence.prototype['OkPacket'] = function(packet) {
this.end(null, packet);
};
Sequence.prototype['ErrorPacket'] = function(packet) {
this.end(this._packetToError(packet));
};
// Implemented by child classes
Sequence.prototype.start = function() {};
Sequence.prototype._addLongStackTrace = function _addLongStackTrace(err) {
var callSiteStack = this._callSite && this._callSite.stack;
if (!callSiteStack || typeof callSiteStack !== 'string') {
// No recorded call site
return;
}
if (err.stack.indexOf(LONG_STACK_DELIMITER) !== -1) {
// Error stack already looks long
return;
}
var index = callSiteStack.indexOf('\n');
if (index !== -1) {
// Append recorded call site
err.stack += LONG_STACK_DELIMITER + callSiteStack.substr(index + 1);
}
};
Sequence.prototype._onTimeout = function _onTimeout() {
this.emit('timeout');
};

30
node_modules/mysql/lib/protocol/sequences/Statistics.js generated vendored Normal file
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var Sequence = require('./Sequence');
var Util = require('util');
var Packets = require('../packets');
module.exports = Statistics;
Util.inherits(Statistics, Sequence);
function Statistics(options, callback) {
if (!callback && typeof options === 'function') {
callback = options;
options = {};
}
Sequence.call(this, options, callback);
}
Statistics.prototype.start = function() {
this.emit('packet', new Packets.ComStatisticsPacket());
};
Statistics.prototype['StatisticsPacket'] = function (packet) {
this.end(null, packet);
};
Statistics.prototype.determinePacket = function determinePacket(firstByte) {
if (firstByte === 0x55) {
return Packets.StatisticsPacket;
}
return undefined;
};

7
node_modules/mysql/lib/protocol/sequences/index.js generated vendored Normal file
View File

@ -0,0 +1,7 @@
exports.ChangeUser = require('./ChangeUser');
exports.Handshake = require('./Handshake');
exports.Ping = require('./Ping');
exports.Query = require('./Query');
exports.Quit = require('./Quit');
exports.Sequence = require('./Sequence');
exports.Statistics = require('./Statistics');