| 1 | {"version":3,"file":"packet.js","names":["_sprintfJs","require","HEADER_LENGTH","exports","TYPE","SQL_BATCH","RPC_REQUEST","TABULAR_RESULT","ATTENTION","BULK_LOAD","TRANSACTION_MANAGER","LOGIN7","NTLMAUTH_PKT","PRELOGIN","FEDAUTH_TOKEN","typeByValue","name","STATUS","NORMAL","EOM","IGNORE","RESETCONNECTION","RESETCONNECTIONSKIPTRAN","OFFSET","Type","Status","Length","SPID","PacketID","Window","DEFAULT_SPID","DEFAULT_PACKETID","DEFAULT_WINDOW","NL","Packet","constructor","typeOrBuffer","Buffer","buffer","type","alloc","writeUInt8","writeUInt16BE","setLength","length","readUInt16BE","resetConnection","reset","status","readUInt8","last","arguments","isLast","ignore","packetId","addData","data","concat","slice","statusAsString","statuses","value","push","undefined","join","trim","headerToString","indent","text","sprintf","dataToString","BYTES_PER_GROUP","CHARS_PER_GROUP","BYTES_PER_LINE","dataDump","chars","offset","String","fromCharCode","toString","payloadString","isPacketComplete","potentialPacketBuffer","packetLength"],"sources":["../src/packet.ts"],"sourcesContent":["import { sprintf } from 'sprintf-js';\n\nexport const HEADER_LENGTH = 8;\n\nexport const TYPE: { [key: string]: number } = {\n SQL_BATCH: 0x01,\n RPC_REQUEST: 0x03,\n TABULAR_RESULT: 0x04,\n ATTENTION: 0x06,\n BULK_LOAD: 0x07,\n TRANSACTION_MANAGER: 0x0E,\n LOGIN7: 0x10,\n NTLMAUTH_PKT: 0x11,\n PRELOGIN: 0x12,\n FEDAUTH_TOKEN: 0x08\n};\n\nconst typeByValue: { [key: number]: string } = {};\n\nfor (const name in TYPE) {\n typeByValue[TYPE[name]] = name;\n}\n\nconst STATUS: { [key: string]: number } = {\n NORMAL: 0x00,\n EOM: 0x01,\n IGNORE: 0x02,\n RESETCONNECTION: 0x08,\n RESETCONNECTIONSKIPTRAN: 0x10\n};\n\nexport const OFFSET = {\n Type: 0,\n Status: 1,\n Length: 2,\n SPID: 4,\n PacketID: 6,\n Window: 7\n};\n\nconst DEFAULT_SPID = 0;\n\nconst DEFAULT_PACKETID = 1;\n\nconst DEFAULT_WINDOW = 0;\n\nconst NL = '\\n';\n\nexport class Packet {\n declare buffer: Buffer;\n\n constructor(typeOrBuffer: Buffer | number) {\n if (typeOrBuffer instanceof Buffer) {\n this.buffer = typeOrBuffer;\n } else {\n const type = typeOrBuffer;\n this.buffer = Buffer.alloc(HEADER_LENGTH, 0);\n this.buffer.writeUInt8(type, OFFSET.Type);\n this.buffer.writeUInt8(STATUS.NORMAL, OFFSET.Status);\n this.buffer.writeUInt16BE(DEFAULT_SPID, OFFSET.SPID);\n this.buffer.writeUInt8(DEFAULT_PACKETID, OFFSET.PacketID);\n this.buffer.writeUInt8(DEFAULT_WINDOW, OFFSET.Window);\n this.setLength();\n }\n }\n\n setLength() {\n this.buffer.writeUInt16BE(this.buffer.length, OFFSET.Length);\n }\n\n length() {\n return this.buffer.readUInt16BE(OFFSET.Length);\n }\n\n resetConnection(reset: boolean) {\n let status = this.buffer.readUInt8(OFFSET.Status);\n if (reset) {\n status |= STATUS.RESETCONNECTION;\n } else {\n status &= 0xFF - STATUS.RESETCONNECTION;\n }\n this.buffer.writeUInt8(status, OFFSET.Status);\n }\n\n last(last?: boolean) {\n let status = this.buffer.readUInt8(OFFSET.Status);\n if (arguments.length > 0) {\n if (last) {\n status |= STATUS.EOM;\n } else {\n status &= 0xFF - STATUS.EOM;\n }\n this.buffer.writeUInt8(status, OFFSET.Status);\n }\n return this.isLast();\n }\n\n ignore(last: boolean) {\n let status = this.buffer.readUInt8(OFFSET.Status);\n if (last) {\n status |= STATUS.IGNORE;\n } else {\n status &= 0xFF - STATUS.IGNORE;\n }\n this.buffer.writeUInt8(status, OFFSET.Status);\n }\n\n isLast() {\n return !!(this.buffer.readUInt8(OFFSET.Status) & STATUS.EOM);\n }\n\n packetId(packetId?: number) {\n if (packetId) {\n this.buffer.writeUInt8(packetId % 256, OFFSET.PacketID);\n }\n return this.buffer.readUInt8(OFFSET.PacketID);\n }\n\n addData(data: Buffer) {\n this.buffer = Buffer.concat([this.buffer, data]);\n this.setLength();\n return this;\n }\n\n data() {\n return this.buffer.slice(HEADER_LENGTH);\n }\n\n type() {\n return this.buffer.readUInt8(OFFSET.Type);\n }\n\n statusAsString() {\n const status = this.buffer.readUInt8(OFFSET.Status);\n const statuses = [];\n\n for (const name in STATUS) {\n const value = STATUS[name];\n\n if (status & value) {\n statuses.push(name);\n } else {\n statuses.push(undefined);\n }\n }\n\n return statuses.join(' ').trim();\n }\n\n headerToString(indent = '') {\n const text = sprintf('type:0x%02X(%s), status:0x%02X(%s), length:0x%04X, spid:0x%04X, packetId:0x%02X, window:0x%02X', this.buffer.readUInt8(OFFSET.Type), typeByValue[this.buffer.readUInt8(OFFSET.Type)], this.buffer.readUInt8(OFFSET.Status), this.statusAsString(), this.buffer.readUInt16BE(OFFSET.Length), this.buffer.readUInt16BE(OFFSET.SPID), this.buffer.readUInt8(OFFSET.PacketID), this.buffer.readUInt8(OFFSET.Window));\n return indent + text;\n }\n\n dataToString(indent = '') {\n const BYTES_PER_GROUP = 0x04;\n const CHARS_PER_GROUP = 0x08;\n const BYTES_PER_LINE = 0x20;\n const data = this.data();\n\n let dataDump = '';\n let chars = '';\n\n\n for (let offset = 0; offset < data.length; offset++) {\n if (offset % BYTES_PER_LINE === 0) {\n dataDump += indent;\n dataDump += sprintf('%04X ', offset);\n }\n\n if (data[offset] < 0x20 || data[offset] > 0x7E) {\n chars += '.';\n if (((offset + 1) % CHARS_PER_GROUP === 0) && !((offset + 1) % BYTES_PER_LINE === 0)) {\n chars += ' ';\n }\n } else {\n chars += String.fromCharCode(data[offset]);\n }\n\n if (data[offset] != null) {\n dataDump += sprintf('%02X', data[offset]);\n }\n\n if (((offset + 1) % BYTES_PER_GROUP === 0) && !((offset + 1) % BYTES_PER_LINE === 0)) {\n dataDump += ' ';\n }\n\n if ((offset + 1) % BYTES_PER_LINE === 0) {\n dataDump += ' ' + chars;\n chars = '';\n if (offset < data.length - 1) {\n dataDump += NL;\n }\n }\n }\n\n if (chars.length) {\n dataDump += ' ' + chars;\n }\n\n return dataDump;\n }\n\n toString(indent = '') {\n return this.headerToString(indent) + '\\n' + this.dataToString(indent + indent);\n }\n\n payloadString() {\n return '';\n }\n}\n\nexport function isPacketComplete(potentialPacketBuffer: Buffer) {\n if (potentialPacketBuffer.length < HEADER_LENGTH) {\n return false;\n } else {\n return potentialPacketBuffer.length >= potentialPacketBuffer.readUInt16BE(OFFSET.Length);\n }\n}\n\nexport function packetLength(potentialPacketBuffer: Buffer) {\n return potentialPacketBuffer.readUInt16BE(OFFSET.Length);\n}\n"],"mappings":";;;;;;;;AAAA,IAAAA,UAAA,GAAAC,OAAA;AAEO,MAAMC,aAAa,GAAAC,OAAA,CAAAD,aAAA,GAAG,CAAC;AAEvB,MAAME,IAA+B,GAAAD,OAAA,CAAAC,IAAA,GAAG;EAC7CC,SAAS,EAAE,IAAI;EACfC,WAAW,EAAE,IAAI;EACjBC,cAAc,EAAE,IAAI;EACpBC,SAAS,EAAE,IAAI;EACfC,SAAS,EAAE,IAAI;EACfC,mBAAmB,EAAE,IAAI;EACzBC,MAAM,EAAE,IAAI;EACZC,YAAY,EAAE,IAAI;EAClBC,QAAQ,EAAE,IAAI;EACdC,aAAa,EAAE;AACjB,CAAC;AAED,MAAMC,WAAsC,GAAG,CAAC,CAAC;AAEjD,KAAK,MAAMC,IAAI,IAAIZ,IAAI,EAAE;EACvBW,WAAW,CAACX,IAAI,CAACY,IAAI,CAAC,CAAC,GAAGA,IAAI;AAChC;AAEA,MAAMC,MAAiC,GAAG;EACxCC,MAAM,EAAE,IAAI;EACZC,GAAG,EAAE,IAAI;EACTC,MAAM,EAAE,IAAI;EACZC,eAAe,EAAE,IAAI;EACrBC,uBAAuB,EAAE;AAC3B,CAAC;AAEM,MAAMC,MAAM,GAAApB,OAAA,CAAAoB,MAAA,GAAG;EACpBC,IAAI,EAAE,CAAC;EACPC,MAAM,EAAE,CAAC;EACTC,MAAM,EAAE,CAAC;EACTC,IAAI,EAAE,CAAC;EACPC,QAAQ,EAAE,CAAC;EACXC,MAAM,EAAE;AACV,CAAC;AAED,MAAMC,YAAY,GAAG,CAAC;AAEtB,MAAMC,gBAAgB,GAAG,CAAC;AAE1B,MAAMC,cAAc,GAAG,CAAC;AAExB,MAAMC,EAAE,GAAG,IAAI;AAER,MAAMC,MAAM,CAAC;EAGlBC,WAAWA,CAACC,YAA6B,EAAE;IACzC,IAAIA,YAAY,YAAYC,MAAM,EAAE;MAClC,IAAI,CAACC,MAAM,GAAGF,YAAY;IAC5B,CAAC,MAAM;MACL,MAAMG,IAAI,GAAGH,YAAY;MACzB,IAAI,CAACE,MAAM,GAAGD,MAAM,CAACG,KAAK,CAACtC,aAAa,EAAE,CAAC,CAAC;MAC5C,IAAI,CAACoC,MAAM,CAACG,UAAU,CAACF,IAAI,EAAEhB,MAAM,CAACC,IAAI,CAAC;MACzC,IAAI,CAACc,MAAM,CAACG,UAAU,CAACxB,MAAM,CAACC,MAAM,EAAEK,MAAM,CAACE,MAAM,CAAC;MACpD,IAAI,CAACa,MAAM,CAACI,aAAa,CAACZ,YAAY,EAAEP,MAAM,CAACI,IAAI,CAAC;MACpD,IAAI,CAACW,MAAM,CAACG,UAAU,CAACV,gBAAgB,EAAER,MAAM,CAACK,QAAQ,CAAC;MACzD,IAAI,CAACU,MAAM,CAACG,UAAU,CAACT,cAAc,EAAET,MAAM,CAACM,MAAM,CAAC;MACrD,IAAI,CAACc,SAAS,CAAC,CAAC;IAClB;EACF;EAEAA,SAASA,CAAA,EAAG;IACV,IAAI,CAACL,MAAM,CAACI,aAAa,CAAC,IAAI,CAACJ,MAAM,CAACM,MAAM,EAAErB,MAAM,CAACG,MAAM,CAAC;EAC9D;EAEAkB,MAAMA,CAAA,EAAG;IACP,OAAO,IAAI,CAACN,MAAM,CAACO,YAAY,CAACtB,MAAM,CAACG,MAAM,CAAC;EAChD;EAEAoB,eAAeA,CAACC,KAAc,EAAE;IAC9B,IAAIC,MAAM,GAAG,IAAI,CAACV,MAAM,CAACW,SAAS,CAAC1B,MAAM,CAACE,MAAM,CAAC;IACjD,IAAIsB,KAAK,EAAE;MACTC,MAAM,IAAI/B,MAAM,CAACI,eAAe;IAClC,CAAC,MAAM;MACL2B,MAAM,IAAI,IAAI,GAAG/B,MAAM,CAACI,eAAe;IACzC;IACA,IAAI,CAACiB,MAAM,CAACG,UAAU,CAACO,MAAM,EAAEzB,MAAM,CAACE,MAAM,CAAC;EAC/C;EAEAyB,IAAIA,CAACA,IAAc,EAAE;IACnB,IAAIF,MAAM,GAAG,IAAI,CAACV,MAAM,CAACW,SAAS,CAAC1B,MAAM,CAACE,MAAM,CAAC;IACjD,IAAI0B,SAAS,CAACP,MAAM,GAAG,CAAC,EAAE;MACxB,IAAIM,IAAI,EAAE;QACRF,MAAM,IAAI/B,MAAM,CAACE,GAAG;MACtB,CAAC,MAAM;QACL6B,MAAM,IAAI,IAAI,GAAG/B,MAAM,CAACE,GAAG;MAC7B;MACA,IAAI,CAACmB,MAAM,CAACG,UAAU,CAACO,MAAM,EAAEzB,MAAM,CAACE,MAAM,CAAC;IAC/C;IACA,OAAO,IAAI,CAAC2B,MAAM,CAAC,CAAC;EACtB;EAEAC,MAAMA,CAACH,IAAa,EAAE;IACpB,IAAIF,MAAM,GAAG,IAAI,CAACV,MAAM,CAACW,SAAS,CAAC1B,MAAM,CAACE,MAAM,CAAC;IACjD,IAAIyB,IAAI,EAAE;MACRF,MAAM,IAAI/B,MAAM,CAACG,MAAM;IACzB,CAAC,MAAM;MACL4B,MAAM,IAAI,IAAI,GAAG/B,MAAM,CAACG,MAAM;IAChC;IACA,IAAI,CAACkB,MAAM,CAACG,UAAU,CAACO,MAAM,EAAEzB,MAAM,CAACE,MAAM,CAAC;EAC/C;EAEA2B,MAAMA,CAAA,EAAG;IACP,OAAO,CAAC,EAAE,IAAI,CAACd,MAAM,CAACW,SAAS,CAAC1B,MAAM,CAACE,MAAM,CAAC,GAAGR,MAAM,CAACE,GAAG,CAAC;EAC9D;EAEAmC,QAAQA,CAACA,QAAiB,EAAE;IAC1B,IAAIA,QAAQ,EAAE;MACZ,IAAI,CAAChB,MAAM,CAACG,UAAU,CAACa,QAAQ,GAAG,GAAG,EAAE/B,MAAM,CAACK,QAAQ,CAAC;IACzD;IACA,OAAO,IAAI,CAACU,MAAM,CAACW,SAAS,CAAC1B,MAAM,CAACK,QAAQ,CAAC;EAC/C;EAEA2B,OAAOA,CAACC,IAAY,EAAE;IACpB,IAAI,CAAClB,MAAM,GAAGD,MAAM,CAACoB,MAAM,CAAC,CAAC,IAAI,CAACnB,MAAM,EAAEkB,IAAI,CAAC,CAAC;IAChD,IAAI,CAACb,SAAS,CAAC,CAAC;IAChB,OAAO,IAAI;EACb;EAEAa,IAAIA,CAAA,EAAG;IACL,OAAO,IAAI,CAAClB,MAAM,CAACoB,KAAK,CAACxD,aAAa,CAAC;EACzC;EAEAqC,IAAIA,CAAA,EAAG;IACL,OAAO,IAAI,CAACD,MAAM,CAACW,SAAS,CAAC1B,MAAM,CAACC,IAAI,CAAC;EAC3C;EAEAmC,cAAcA,CAAA,EAAG;IACf,MAAMX,MAAM,GAAG,IAAI,CAACV,MAAM,CAACW,SAAS,CAAC1B,MAAM,CAACE,MAAM,CAAC;IACnD,MAAMmC,QAAQ,GAAG,EAAE;IAEnB,KAAK,MAAM5C,IAAI,IAAIC,MAAM,EAAE;MACzB,MAAM4C,KAAK,GAAG5C,MAAM,CAACD,IAAI,CAAC;MAE1B,IAAIgC,MAAM,GAAGa,KAAK,EAAE;QAClBD,QAAQ,CAACE,IAAI,CAAC9C,IAAI,CAAC;MACrB,CAAC,MAAM;QACL4C,QAAQ,CAACE,IAAI,CAACC,SAAS,CAAC;MAC1B;IACF;IAEA,OAAOH,QAAQ,CAACI,IAAI,CAAC,GAAG,CAAC,CAACC,IAAI,CAAC,CAAC;EAClC;EAEAC,cAAcA,CAACC,MAAM,GAAG,EAAE,EAAE;IAC1B,MAAMC,IAAI,GAAG,IAAAC,kBAAO,EAAC,gGAAgG,EAAE,IAAI,CAAC/B,MAAM,CAACW,SAAS,CAAC1B,MAAM,CAACC,IAAI,CAAC,EAAET,WAAW,CAAC,IAAI,CAACuB,MAAM,CAACW,SAAS,CAAC1B,MAAM,CAACC,IAAI,CAAC,CAAC,EAAE,IAAI,CAACc,MAAM,CAACW,SAAS,CAAC1B,MAAM,CAACE,MAAM,CAAC,EAAE,IAAI,CAACkC,cAAc,CAAC,CAAC,EAAE,IAAI,CAACrB,MAAM,CAACO,YAAY,CAACtB,MAAM,CAACG,MAAM,CAAC,EAAE,IAAI,CAACY,MAAM,CAACO,YAAY,CAACtB,MAAM,CAACI,IAAI,CAAC,EAAE,IAAI,CAACW,MAAM,CAACW,SAAS,CAAC1B,MAAM,CAACK,QAAQ,CAAC,EAAE,IAAI,CAACU,MAAM,CAACW,SAAS,CAAC1B,MAAM,CAACM,MAAM,CAAC,CAAC;IACta,OAAOsC,MAAM,GAAGC,IAAI;EACtB;EAEAE,YAAYA,CAACH,MAAM,GAAG,EAAE,EAAE;IACxB,MAAMI,eAAe,GAAG,IAAI;IAC5B,MAAMC,eAAe,GAAG,IAAI;IAC5B,MAAMC,cAAc,GAAG,IAAI;IAC3B,MAAMjB,IAAI,GAAG,IAAI,CAACA,IAAI,CAAC,CAAC;IAExB,IAAIkB,QAAQ,GAAG,EAAE;IACjB,IAAIC,KAAK,GAAG,EAAE;IAGd,KAAK,IAAIC,MAAM,GAAG,CAAC,EAAEA,MAAM,GAAGpB,IAAI,CAACZ,MAAM,EAAEgC,MAAM,EAAE,EAAE;MACnD,IAAIA,MAAM,GAAGH,cAAc,KAAK,CAAC,EAAE;QACjCC,QAAQ,IAAIP,MAAM;QAClBO,QAAQ,IAAI,IAAAL,kBAAO,EAAC,QAAQ,EAAEO,MAAM,CAAC;MACvC;MAEA,IA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