enface-auth-node1/dist/enface.auth.node.js

Enface biometric authorization library for Node.js (Express) environment

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${this._opcode}`,!0,1002);if(!this._fin)return this._loop=!1,b(RangeError,"FIN must be set",!0,1002);if(t)return this._loop=!1,b(RangeError,"RSV1 must be clear",!0,1002);if(this._payloadLength>125)return this._loop=!1,b(RangeError,`invalid payload length ${this._payloadLength}`,!0,1002)}if(this._fin||this._fragmented||(this._fragmented=this._opcode),this._masked=128==(128&e[1]),126===this._payloadLength)this._state=_;else{if(127!==this._payloadLength)return this.haveLength();this._state=m}}getPayloadLength16(){if(!(this._bufferedBytes<2))return this._payloadLength=this.consume(2).readUInt16BE(0),this.haveLength();this._loop=!1}getPayloadLength64(){if(this._bufferedBytes<8)return void(this._loop=!1);const e=this.consume(8),t=e.readUInt32BE(0);return t>Math.pow(2,21)-1?(this._loop=!1,b(RangeError,"Unsupported WebSocket frame: payload length > 2^53 - 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t(e);if(s.length){if(this._messageLength+=s.length,this._messageLength>this._maxPayload&&this._maxPayload>0)return t(b(RangeError,"Max payload size exceeded",!1,1009));this._fragments.push(s)}const n=this.dataMessage();if(n)return t(n);this.startLoop(t)})}dataMessage(){if(this._fin){const e=this._messageLength,t=this._fragments;if(this._totalPayloadLength=0,this._messageLength=0,this._fragmented=0,this._fragments=[],2===this._opcode){let s;s="nodebuffer"===this._binaryType?l(t,e):"arraybuffer"===this._binaryType?h(l(t,e)):t,this.emit("message",s)}else{const s=l(t,e);if(!d(s))return this._loop=!1,b(Error,"invalid UTF-8 sequence",!0,1007);this.emit("message",s.toString())}}this._state=p}controlMessage(e){if(8===this._opcode)if(this._loop=!1,0===e.length)this.emit("conclude",1005,""),this.end();else{if(1===e.length)return b(RangeError,"invalid payload length 1",!0,1002);{const t=e.readUInt16BE(0);if(!f(t))return b(RangeError,`invalid status code ${t}`,!0,1002);const s=e.slice(2);if(!d(s))return b(Error,"invalid UTF-8 sequence",!0,1007);this.emit("conclude",t,s.toString()),this.end()}}else 9===this._opcode?this.emit("ping",e):this.emit("pong",e);this._state=p}}},function(e,t){e.exports=require("stream")},function(e,t,s){"use strict";try{const e=s(32);t.isValidUTF8="object"==typeof e?e.Validation.isValidUTF8:e}catch(e){t.isValidUTF8=()=>!0}t.isValidStatusCode=e=>e>=1e3&&e<=1013&&1004!==e&&1005!==e&&1006!==e||e>=3e3&&e<=4999},function(e,t,s){"use strict";const{randomFillSync:n}=s(1),r=s(2),{EMPTY_BUFFER:i}=s(0),{isValidStatusCode:o}=s(12),{mask:a,toBuffer:c}=s(3),l=Buffer.alloc(4);class h{constructor(e,t){this._extensions=t||{},this._socket=e,this._firstFragment=!0,this._compress=!1,this._bufferedBytes=0,this._deflating=!1,this._queue=[]}static frame(e,t){const s=t.mask&&t.readOnly;let r=t.mask?6:2,i=e.length;e.length>=65536?(r+=8,i=127):e.length>125&&(r+=2,i=126);const o=Buffer.allocUnsafe(s?e.length+r:r);return o[0]=t.fin?128|t.opcode:t.opcode,t.rsv1&&(o[0]|=64),o[1]=i,126===i?o.writeUInt16BE(e.length,2):127===i&&(o.writeUInt32BE(0,2),o.writeUInt32BE(e.length,6)),t.mask?(n(l,0,4),o[1]|=128,o[r-4]=l[0],o[r-3]=l[1],o[r-2]=l[2],o[r-1]=l[3],s?(a(e,l,o,r,e.length),[o]):(a(e,l,e,0,e.length),[o,e])):[o,e]}close(e,t,s,n){let r;if(void 0===e)r=i;else{if("number"!=typeof e||!o(e))throw new TypeError("First argument must be a valid error code number");void 0===t||""===t?(r=Buffer.allocUnsafe(2)).writeUInt16BE(e,0):((r=Buffer.allocUnsafe(2+Buffer.byteLength(t))).writeUInt16BE(e,0),r.write(t,2))}this._deflating?this.enqueue([this.doClose,r,s,n]):this.doClose(r,s,n)}doClose(e,t,s){this.sendFrame(h.frame(e,{fin:!0,rsv1:!1,opcode:8,mask:t,readOnly:!1}),s)}ping(e,t,s){const n=c(e);this._deflating?this.enqueue([this.doPing,n,t,c.readOnly,s]):this.doPing(n,t,c.readOnly,s)}doPing(e,t,s,n){this.sendFrame(h.frame(e,{fin:!0,rsv1:!1,opcode:9,mask:t,readOnly:s}),n)}pong(e,t,s){const n=c(e);this._deflating?this.enqueue([this.doPong,n,t,c.readOnly,s]):this.doPong(n,t,c.readOnly,s)}doPong(e,t,s,n){this.sendFrame(h.frame(e,{fin:!0,rsv1:!1,opcode:10,mask:t,readOnly:s}),n)}send(e,t,s){const n=c(e),i=this._extensions[r.extensionName];let o=t.binary?2:1,a=t.compress;if(this._firstFragment?(this._firstFragment=!1,a&&i&&(a=n.length>=i._threshold),this._compress=a):(a=!1,o=0),t.fin&&(this._firstFragment=!0),i){const e={fin:t.fin,rsv1:a,opcode:o,mask:t.mask,readOnly:c.readOnly};this._deflating?this.enqueue([this.dispatch,n,this._compress,e,s]):this.dispatch(n,this._compress,e,s)}else this.sendFrame(h.frame(n,{fin:t.fin,rsv1:!1,opcode:o,mask:t.mask,readOnly:c.readOnly}),s)}dispatch(e,t,s,n){if(!t)return void this.sendFrame(h.frame(e,s),n);const i=this._extensions[r.extensionName];this._deflating=!0,i.compress(e,s.fin,(e,t)=>{this._deflating=!1,s.readOnly=!1,this.sendFrame(h.frame(t,s),n),this.dequeue()})}dequeue(){for(;!this._deflating&&this._queue.length;){const 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