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@randomorg/core

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The official library to access the RANDOM.ORG JSON-RPC API

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var e={};e.RandomOrgBadHTTPResponseError=class extends Error{constructor(e){super(e)}},e.RandomOrgInsufficientBitsError=class extends Error{#bits=-1;constructor(e,t){super(e),this.#bits=t}getBitsLeft(){return this.#bits}},e.RandomOrgInsufficientRequestsError=class extends Error{constructor(e){super(e)}},e.RandomOrgJSONRPCError=class extends Error{constructor(e){super(e)}},e.RandomOrgKeyNotRunningError=class extends Error{constructor(e){super(e)}},e.RandomOrgRANDOMORGError=class extends Error{#code=-1;constructor(e,t=-1){super(e),this.#code=t}getCode(){return this.#code}},e.RandomOrgSendTimeoutError=class extends Error{constructor(e){super(e)}},e.RandomOrgCacheEmptyError=class extends Error{#paused=!1;constructor(e,t=!1){super(e),this.#paused=t}wasPaused(){return this.#paused}};const{RandomOrgInsufficientBitsError:t,RandomOrgCacheEmptyError:s}=e;var r=class{#requestFunction=null;#request=null;#bulkRequestNumber=0;#requestNumber=0;#requestSize=-1;#stack=[];#cacheSize=10;#paused=!1;#bitsUsed=0;#requestsUsed=0;#currentlyPopulating=!1;#error=null;constructor(e,t,s,r,a,i){this.#requestFunction=e,this.#request=t,this.#cacheSize=s,this.#bulkRequestNumber=r,this.#requestNumber=a,this.#requestSize=i,this.#populate()}#populate=async()=>{if(!this.#currentlyPopulating&&!this.#paused){this.#currentlyPopulating=!0;let e=null;for(;null==this.#error;)if(this.#bulkRequestNumber>0){if(!(this.#stack.length<=this.#cacheSize-this.#bulkRequestNumber))break;try{e=await this.#requestFunction(this.#request),this.#addResponse(e,!0)}catch(s){if(s instanceof t){let t=s.getBitsLeft();if(t>this.#requestSize){let s=Math.floor(t/this.#requestSize);this.#request.params.n=s*this.#requestNumber,e=await this.#requestFunction(this.#request),this.#addResponse(e,!0),this.#request.params.n=this.#bulkRequestNumber*this.#requestNumber}else this.#error=s}else this.#error=s}}else{if(!(this.#stack.length<this.#cacheSize))break;try{e=await this.#requestFunction(this.#request),this.#addResponse(e,!1)}catch(e){this.#error=e}}this.#currentlyPopulating=!1}};stop(){this.#paused=!0}resume(){this.#paused=!1,this.#refresh()}isPaused(){return this.#paused}get(){if(null!=this.#error)throw this.#error;if(this.#stack&&0==this.#stack.length)throw this.#paused?new s("The RandomOrgCache stack is empty and the cache is paused. Please call resume() to restart populating the cache.",!0):new s("The RandomOrgCache stack is empty, please wait for it to repopulate itself.");{let e=this.#stack.pop();return this.#refresh(),e}}async getOrWait(){try{return this.get()}catch(e){if(e instanceof s){if(this.#paused)throw e;return 0==await this.#populate()&&await new Promise((e=>setTimeout(e,50))),this.getOrWait()}}}getCachedValues(){return this.#stack.length}getBitsUsed(){return this.#bitsUsed}getRequestsUsed(){return this.#requestsUsed}#refresh=()=>{(this.#bulkRequestNumber>0&&this.#stack.length<=this.#cacheSize-this.#bulkRequestNumber||this.#bulkRequestNumber<=0&&this.#stack.length<this.#cacheSize)&&this.#populate()};#addResponse=(e,t)=>{if(this.#requestsUsed++,this.#bitsUsed+=e.result.bitsUsed,t){let t=e.result.random.data;for(let e=0;e<t.length;e+=this.#requestNumber)this.#stack.push(t.slice(e,e+this.#requestNumber))}else this.#stack.push(e.result.random.data)}};const{RandomOrgBadHTTPResponseError:a,RandomOrgInsufficientBitsError:i,RandomOrgInsufficientRequestsError:n,RandomOrgJSONRPCError:u,RandomOrgKeyNotRunningError:c,RandomOrgRANDOMORGError:o,RandomOrgSendTimeoutError:l}=e,h=r;var d=class e{static#INTEGER_METHOD="generateIntegers";static#INTEGER_SEQUENCE_METHOD="generateIntegerSequences";static#DECIMAL_FRACTION_METHOD="generateDecimalFractions";static#GAUSSIAN_METHOD="generateGaussians";static#STRING_METHOD="generateStrings";static#UUID_METHOD="generateUUIDs";static#BLOB_METHOD="generateBlobs";static#GET_USAGE_METHOD="getUsage";static#SIGNED_INTEGER_METHOD="generateSignedIntegers";static#SIGNED_INTEGER_SEQUENCE_METHOD="generateSignedIntegerSequences";static#SIGNED_DECIMAL_FRACTION_METHOD="generateSignedDecimalFractions";static#SIGNED_GAUSSIAN_METHOD="generateSignedGaussians";static#SIGNED_STRING_METHOD="generateSignedStrings";static#SIGNED_UUID_METHOD="generateSignedUUIDs";static#SIGNED_BLOB_METHOD="generateSignedBlobs";static#GET_RESULT_METHOD="getResult";static#CREATE_TICKET_METHOD="createTickets";static#LIST_TICKET_METHOD="listTickets";static#GET_TICKET_METHOD="getTicket";static#VERIFY_SIGNATURE_METHOD="verifySignature";static BLOB_FORMAT_BASE64="base64";static BLOB_FORMAT_HEX="hex";static DEFAULT_REPLACEMENT=!0;static DEFAULT_BASE=10;static DEFAULT_USER_DATA=null;static DEFAULT_TICKET_ID=null;static DEFAULT_PREGENERATED_RANDOMIZATION=null;static DEFAULT_LICENSE_DATA=null;static UUID_SIZE=122;static DEFAULT_BLOCKING_TIMEOUT=864e5;static DEFAULT_HTTP_TIMEOUT=12e4;static MAX_URL_LENGTH=2046;static#DEFAULT_DELAY=1e3;static#ALLOWANCE_STATE_REFRESH_SECONDS=36e5;#bitsLeft=-1;#requestsLeft=-1;#backoff=-1;#backoffError="";#apiKey="";#blockingTimeout=e.DEFAULT_BLOCKING_TIMEOUT;#httpTimeout=e.DEFAULT_HTTP_TIMEOUT;#advisoryDelay=0;#lastResponseReceivedTime=0;static#keyIndexedInstances={};static#ERROR_CODES=[100,101,200,201,202,203,204,300,301,302,303,304,305,306,307,400,401,402,403,404,405,420,421,422,423,424,425,500,32e3];constructor(t,s={}){if(e.#keyIndexedInstances&&e.#keyIndexedInstances[t])return e.#keyIndexedInstances[t];this.#apiKey=t,this.#blockingTimeout=s.blockingTimeout||864e5,this.#httpTimeout=s.httpTimeout||12e4,e.#keyIndexedInstances[t]=this}async generateIntegers(e,t,s,r={}){let a=this.#integerRequest(e,t,s,r);return this.#extractBasic(this.#sendRequest(a))}async generateIntegerSequences(e,t,s,r,a={}){let i=this.#integerSequenceRequest(e,t,s,r,a);return this.#extractBasic(this.#sendRequest(i))}async generateDecimalFractions(e,t,s={}){let r=this.#decimalFractionRequest(e,t,s);return this.#extractBasic(this.#sendRequest(r))}async generateGaussians(e,t,s,r,a={}){let i=this.#gaussianRequest(e,t,s,r,a);return this.#extractBasic(this.#sendRequest(i))}async generateStrings(e,t,s,r={}){let a=this.#stringRequest(e,t,s,r);return this.#extractBasic(this.#sendRequest(a))}async generateUUIDs(e,t={}){let s=this.#UUIDRequest(e,t);return this.#extractBasic(this.#sendRequest(s))}async generateBlobs(e,t,s={}){let r=this.#blobRequest(e,t,s);return this.#extractBasic(this.#sendRequest(r))}async generateSignedIntegers(e,t,s,r={}){let a=this.#integerRequest(e,t,s,r,!0);return this.#extractSigned(this.#sendRequest(a))}async generateSignedIntegerSequences(e,t,s,r,a={}){let i=this.#integerSequenceRequest(e,t,s,r,a,!0);return this.#extractSigned(this.#sendRequest(i))}async generateSignedDecimalFractions(e,t,s={}){let r=this.#decimalFractionRequest(e,t,s,!0);return this.#extractSigned(this.#sendRequest(r))}async generateSignedGaussians(e,t,s,r,a={}){let i=this.#gaussianRequest(e,t,s,r,a,!0);return this.#extractSigned(this.#sendRequest(i))}async generateSignedStrings(e,t,s,r={}){let a=this.#stringRequest(e,t,s,r,!0);return this.#extractSigned(this.#sendRequest(a))}async generateSignedUUIDs(e,t={}){let s=this.#UUIDRequest(e,t,!0);return this.#extractSigned(this.#sendRequest(s))}async generateSignedBlobs(e,t,s={}){let r=this.#blobRequest(e,t,s,!0);return this.#extractSigned(this.#sendRequest(r))}async verifySignature(t,s){let r={random:t,signature:s},a=this.#generateRequest(e.#VERIFY_SIGNATURE_METHOD,r);return this.#extractVerification(this.#sendRequest(a))}async getBitsLeft(){let t=Date.now()>this.#lastResponseReceivedTime+e.#ALLOWANCE_STATE_REFRESH_SECONDS;return(this.#bitsLeft<0||t)&&await this.#getUsage(),this.#bitsLeft}async getRequestsLeft(){let t=Date.now()>this.#lastResponseReceivedTime+e.#ALLOWANCE_STATE_REFRESH_SECONDS;return(this.#requestsLeft<0||t)&&await this.#getUsage(),this.#requestsLeft}async getResult(t){let s={serialNumber:t},r=this.#generateKeyedRequest(e.#GET_RESULT_METHOD,s);return this.#extractSigned(this.#sendRequest(r))}async createTickets(t,s){let r={n:t,showResult:s},a=this.#generateKeyedRequest(e.#CREATE_TICKET_METHOD,r);return this.#extractResult(this.#sendRequest(a))}async listTickets(t){let s={ticketType:t},r=this.#generateKeyedRequest(e.#LIST_TICKET_METHOD,s);return this.#extractResult(this.#sendRequest(r))}async getTicket(t){let s={ticketId:t},r=this.#generateRequest(e.#GET_TICKET_METHOD,s);return this.#extractResult(this.#sendRequest(r))}createUrl(t,s){let r="https://api.random.org/signatures/form?format=json";if(r+="&random="+this.#formatUrl(JSON.stringify(t)),r+="&signature="+this.#formatUrl(s),r.length>e.MAX_URL_LENGTH)throw new o("Error: URL exceeds maximum length("+e.MAX_URL_LENGTH+" characters).");return r}createHtml(e,t){let s="<form action='https://api.random.org/signatures/form' method='post'>\n";return s+=" "+this.#inputHTML("hidden","format","json")+"\n",s+=" "+this.#inputHTML("hidden","random",JSON.stringify(e))+"\n",s+=" "+this.#inputHTML("hidden","signature",t)+"\n",s+=" <input type='submit' value='Validate' />\n</form>",s}createIntegerCache(e,t,s,r={}){let a=r.cacheSize||20;a<2&&(a=2);let i=this.#integerRequest(e,t,s,r),n=Math.ceil(Math.log(s-t+1)/Math.log(2)*e),u=0;return"replacement"in r&&!0!==r.replacement||(u=a/2,i.params.n=e*u),new h(this.#sendRequest.bind(this),i,a,u,e,n)}createIntegerSequenceCache(e,t,s,r,a={}){let i=a.cacheSize||20;i<2&&(i=2);let n,u=Math.ceil(Math.log(this.#maxValue(r)-this.#minValue(s),1)/Math.log(2)*e*this.#maxValue(t)),c=0;n=a.replacement&&Array.isArray(a.replacement)?a.replacement.every((e=>!0===e)):a.replacement||!0,n&&(c=i/2,Array.isArray(t)&&(t=this.#adjust(t,c)),Array.isArray(s)&&(s=this.#adjust(s,c)),Array.isArray(r)&&(r=this.#adjust(r,c)),a.replacement&&Array.isArray(a.replacement)&&(a.replacement=this.#adjust(a.replacement,c)),a.base&&Array.isArray(a.base)&&(a.base=this.#adjust(a.base,c)));let o=this.#integerSequenceRequest(e,t,s,r,a);return n&&(o.params.n=c*e),new h(this.#sendRequest.bind(this),o,i,c,e,u)}createDecimalFractionCache(e,t,s={}){let r=s.cacheSize||20;r<2&&(r=2);let a=this.#decimalFractionRequest(e,t,s),i=0;"replacement"in s&&!0!==s.replacement||(i=r/2,a.params.n=e*i);let n=Math.ceil(Math.log(10)/Math.log(2)*t*e);return new h(this.#sendRequest.bind(this),a,r,i,e,n)}createGaussianCache(e,t,s,r,a={}){let i=a.cacheSize||20;i<2&&(i=2);let n=Math.ceil(Math.log(Math.pow(10,r))/Math.log(2)*e),u=i/2,c=this.#gaussianRequest(e*u,t,s,r);return new h(this.#sendRequest.bind(this),c,i,u,e,n)}createStringCache(e,t,s,r={}){let a=r.cacheSize||20;a<2&&(a=2);let i=this.#stringRequest(e,t,s,r),n=Math.ceil(Math.log(s.length)/Math.log(2)*t*e),u=0;return"replacement"in r&&!0!==r.replacement||(u=a/2,i.params.n=e*u),new h(this.#sendRequest.bind(this),i,a,u,e,n)}createUUIDCache(t,s={}){let r=s.cacheSize||10;r<2&&(r=2);let a=t*e.UUID_SIZE,i=r/2,n=this.#UUIDRequest(t*i);return new h(this.#sendRequest.bind(this),n,r,i,t,a)}createBlobCache(e,t,s={}){let r=s.cacheSize||10;r<2&&(r=2);let a=e*t,i=r/2,n=this.#blobRequest(e*i,t,s);return new h(this.#sendRequest.bind(this),n,r,i,e,a)}#sendRequest=async function(t){if(-1!=this.#backoff){if(Date.now()<this.#backoff)throw new n(this.#backoffError);this.#backoff=-1,this.#backoffError=null}let s=this.#advisoryDelay-(Date.now()-this.#lastResponseReceivedTime);if(-1!=this.#blockingTimeout&&s>this.#blockingTimeout)throw new l("The server advisory delay of "+s+"millis is greater than the defined maximum allowed blocking time of "+this.#blockingTimeout+"millis.");s>0&&await new Promise((e=>setTimeout(e,s)));let r=this.#httpTimeout;return new Promise((function(e){let s=new XMLHttpRequest;s.open("POST","https://api.random.org/json-rpc/4/invoke"),s.setRequestHeader("Content-Type","application/json"),s.ontimeout=function(){throw new l("The maximum allowed blocking time of "+r+"millis has been exceeded while waiting for the server to respond.")},s.onload=function(){if(!(this.status>=200&&this.status<300))throw new a("Error: "+s.status);e(s.responseText)},s.onerror=function(e){throw e instanceof Error?e:(console.info("** An error occurred during the transaction."),new Error(s.responseText))},s.timeout=r,s.send(JSON.stringify(t))})).then((s=>{if((s=JSON.parse(s)).error){let t=s.error.code,r=s.error.message,a=s.error.data;if(401==t)throw new c("Error "+t+": "+r);if(402==t){let e=(new Date).setUTCHours(0,0,0,0);throw this.#backoff=+e,this.#backoffError="Error "+t+": "+r,this.#requestsLeft=a[1],new n(this.#backoffError)}throw 403==t?(this.#bitsLeft=a[1],new i("Error"+t+": "+r,this.#bitsLeft)):e.#ERROR_CODES.includes(t)?new o("Error "+t+": "+r,t):new u("Error "+t+": "+r)}return[e.#VERIFY_SIGNATURE_METHOD,e.#GET_RESULT_METHOD,e.#CREATE_TICKET_METHOD,e.#LIST_TICKET_METHOD,e.#GET_TICKET_METHOD].includes(t.method)?this.#advisoryDelay=e.#DEFAULT_DELAY:(this.#requestsLeft=s.result.requestsLeft,this.#bitsLeft=s.result.bitsLeft,s.result.advisoryDelay?this.#advisoryDelay=s.result.advisoryDelay:this.#advisoryDelay=e.#DEFAULT_DELAY),this.#lastResponseReceivedTime=Date.now(),s}))};#getUsage=async()=>{let t=this.#generateKeyedRequest(e.#GET_USAGE_METHOD,{});return this.#extractResult(this.#sendRequest(t))};#generateRequest=(e,t)=>({jsonrpc:"2.0",method:e,params:t,id:this.#uuidv4()});#generateKeyedRequest=(e,t)=>(t.apiKey=this.#apiKey,this.#generateRequest(e,t));#extractBasic=async e=>e.then((e=>e.result.random.data));#extractSigned=async e=>e.then((e=>({data:e.result.random.data,random:e.result.random,signature:e.result.signature})));#extractVerification=async e=>e.then((e=>e.result.authenticity));#extractResult=async e=>e.then((e=>e.result));#integerRequest=(t,s,r,{replacement:a=!0,base:i=10,pregeneratedRandomization:n=null,licenseData:u=null,userData:c=null,ticketId:o=null}={},l=!1)=>{let h={n:t,min:s,max:r,replacement:a,base:i};h=this.#addOptionalParams(h,n,u,c,o,l);let d=l?e.#SIGNED_INTEGER_METHOD:e.#INTEGER_METHOD;return this.#generateKeyedRequest(d,h)};#integerSequenceRequest=(t,s,r,a,{replacement:i=!0,base:n=10,pregeneratedRandomization:u=null,licenseData:c=null,userData:o=null,ticketId:l=null}={},h=!1)=>{let d={n:t,length:s,min:r,max:a,replacement:i,base:n};d=this.#addOptionalParams(d,u,c,o,l,h);let E=h?e.#SIGNED_INTEGER_SEQUENCE_METHOD:e.#INTEGER_SEQUENCE_METHOD;return this.#generateKeyedRequest(E,d)};#decimalFractionRequest=(t,s,{replacement:r=!0,pregeneratedRandomization:a=null,licenseData:i=null,userData:n=null,ticketId:u=null}={},c=!1)=>{let o={n:t,decimalPlaces:s,replacement:r};o=this.#addOptionalParams(o,a,i,n,u,c);let l=c?e.#SIGNED_DECIMAL_FRACTION_METHOD:e.#DECIMAL_FRACTION_METHOD;return this.#generateKeyedRequest(l,o)};#gaussianRequest=(t,s,r,a,{pregeneratedRandomization:i=null,licenseData:n=null,userData:u=null,ticketId:c=null}={},o=!1)=>{let l={n:t,mean:s,standardDeviation:r,significantDigits:a};l=this.#addOptionalParams(l,i,n,u,c,o);let h=o?e.#SIGNED_GAUSSIAN_METHOD:e.#GAUSSIAN_METHOD;return this.#generateKeyedRequest(h,l)};#stringRequest=(t,s,r,{replacement:a=!0,pregeneratedRandomization:i=null,licenseData:n=null,userData:u=null,ticketId:c=null}={},o=!1)=>{let l={n:t,length:s,characters:r,replacement:a};l=this.#addOptionalParams(l,i,n,u,c,o);let h=o?e.#SIGNED_STRING_METHOD:e.#STRING_METHOD;return this.#generateKeyedRequest(h,l)};#UUIDRequest=(t,{pregeneratedRandomization:s=null,licenseData:r=null,userData:a=null,ticketId:i=null}={},n=!1)=>{let u={n:t};u=this.#addOptionalParams(u,s,r,a,i,n);let c=n?e.#SIGNED_UUID_METHOD:e.#UUID_METHOD;return this.#generateKeyedRequest(c,u)};#blobRequest=(t,s,{format:r=this.BASE64,pregeneratedRandomization:a=null,licenseData:i=null,userData:n=null,ticketId:u=null},c=!1)=>{let o={n:t,size:s,format:r};o=this.#addOptionalParams(o,a,i,n,u,c);let l=c?e.#SIGNED_BLOB_METHOD:e.#BLOB_METHOD;return this.#generateKeyedRequest(l,o)};#addOptionalParams=(e,t,s,r,a,i=!1)=>(e.pregeneratedRandomization=t,i&&(e.licenseData=s,e.userData=r,e.ticketId=a),e);#adjust=(e,t)=>Array.from({length:t},(()=>e)).flat();#maxValue=e=>Array.isArray(e)?e.reduce((function(e,t){return Math.max(e,t)})):e;#minValue=e=>Array.isArray(e)?e.reduce((function(e,t){return Math.min(e,t)})):e;#formatUrl=e=>{if(!/^([0-9a-zA-Z+/]{4})*(([0-9a-zA-Z+/]{2}==)|([0-9a-zA-Z+/]{3}=))?$/.test(e))try{window&&(e=btoa(e))}catch(t){t instanceof ReferenceError&&(e=Buffer.from(e).toString("base64"))}return e=(e=(e=e.replace(/=/g,"%3D")).replace(/\+/g,"%2B")).replace(/\//g,"%2F")};#inputHTML=(e,t,s)=>"<input type='"+e+"' name='"+t+"' value='"+s+"' />";#uuidv4=()=>"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,(function(e){var t=16*Math.random()|0;return("x"==e?t:3&t|8).toString(16)}))};let E=e.RandomOrgRANDOMORGError,g=e.RandomOrgBadHTTPResponseError,R=e.RandomOrgInsufficientBitsError,m=e.RandomOrgInsufficientRequestsError,T=e.RandomOrgJSONRPCError,p=e.RandomOrgKeyNotRunningError,D=e.RandomOrgSendTimeoutError,S=e.RandomOrgCacheEmptyError;export{g as RandomOrgBadHTTPResponseError,r as RandomOrgCache,S as RandomOrgCacheEmptyError,d as RandomOrgClient,R as RandomOrgInsufficientBitsError,m as RandomOrgInsufficientRequestsError,T as RandomOrgJSONRPCError,p as RandomOrgKeyNotRunningError,E as RandomOrgRANDOMORGError,D as RandomOrgSendTimeoutError,d as default}; //# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"file":"rdocore.es.min.js","sources":["../RandomOrgErrors.js","../RandomOrgCache.js","../RandomOrgClient.js","../esm/index.js"],"sourcesContent":["'use strict';\r\n\r\n/**\r\n * Error thrown by the RandomOrgClient class when the connection doesn't return\r\n * a HTTP 200 OK response.\r\n */\r\nexports.RandomOrgBadHTTPResponseError = class RandomOrgBadHTTPResponseError extends Error\r\n{\r\n    /**\r\n     * Constructs a new exception with the specified detail message.\r\n     * @param {string} message The detail message.\r\n     */\r\n    constructor(message) {\r\n        super(message);\r\n    }\r\n}\r\n\r\n/**\r\n * Error thrown by the RandomOrgClient class when its API key's request has\r\n * exceeded its remaining server bits allowance.\r\n * \r\n * If the client is currently issuing large requests it may be possible succeed\r\n * with smaller requests. Use the getBitsLeft() call in this class to help\r\n * determine if an alternative request size is appropriate.\r\n */\r\n exports.RandomOrgInsufficientBitsError = class RandomOrgInsufficientBitsError extends Error\r\n{\r\n    // Stores the number of bits remaining\r\n    #bits = -1;\r\n    \r\n    /**\r\n     * Constructs a new exception with the specified detail message.\r\n     * @constructor\r\n     * @param {string} message The detail message.\r\n     * @param {number} bits Bits remaining just before the error was thrown.\r\n     */\r\n    constructor(message, bits) {\r\n        super(message);\r\n        this.#bits = bits;\r\n    }\r\n\r\n    /**\r\n     * Gets the number of bits remaining.\r\n     * @returns {number} The number of bits left.\r\n     */\r\n    getBitsLeft() {\r\n        return this.#bits;\r\n    }\r\n}\r\n\r\n/**\r\n * Error thrown by the RandomOrgClient class when its API key's server requests\r\n * allowance has been exceeded.\r\n * \r\n * This indicates that a back-off until midnight UTC is in effect, before which\r\n * no requests will be sent by the client as no meaningful server responses will\r\n * be returned.\r\n */\r\nexports.RandomOrgInsufficientRequestsError = class RandomOrgInsufficientRequestsError extends Error\r\n{\r\n    /**\r\n     * Constructs a new exception with the specified detail message.\r\n     * @constructor\r\n     * @param {string} message The detail message.\r\n     */\r\n    constructor(message) {\r\n        super(message);\r\n    }\r\n}\r\n\r\n/**\r\n * Error thrown by the RandomOrgClient class when the server returns a JSON-RPC\r\n * Error. See https://api.random.org/json-rpc/4/error-codes\r\n */\r\nexports.RandomOrgJSONRPCError = class RandomOrgJSONRPCError extends Error\r\n{\r\n    /**\r\n     * Constructs a new exception with the specified detail message.\r\n     * @constructor\r\n     * @param {string} message The detail message.\r\n     */\r\n    constructor(message) {\r\n        super(message);\r\n    }\r\n}\r\n\r\n/**\r\n * Error thrown by the RandomOrgClient class when its API key has been stopped.\r\n * Requests will not complete while API key is in the stopped state.\r\n */\r\nexports.RandomOrgKeyNotRunningError = class RandomOrgKeyNotRunningError extends Error\r\n{\r\n    /**\r\n     * Error thrown by the RandomOrgClient class when its API key has been stopped.\r\n     * Requests will not complete while API key is in the stopped state.\r\n     * @constructor\r\n     * @param {string} message The detail message.\r\n     */\r\n    constructor(message) {\r\n        super(message);\r\n    }\r\n}\r\n\r\n/**\r\n * Error thrown by the RandomOrgClient class when the server returns a\r\n * RANDOM.ORG Error. See https://api.random.org/json-rpc/4/error-codes\r\n */\r\nexports.RandomOrgRANDOMORGError = class RandomOrgRANDOMORGError extends Error\r\n{\r\n    // Stores the code of the RANDOM.ORG error\r\n    #code = -1;\r\n\r\n    /**\r\n     * Error thrown by the RandomOrgClient class when the server returns a\r\n     * RANDOM.ORG Error. See https://api.random.org/json-rpc/4/error-codes\r\n     * @constructor\r\n     * @param {string} message The detail message.\r\n     * @param {number=} [code=-1] The error code.\r\n     */\r\n    constructor(message, code = -1) {\r\n        super(message);    \r\n        this.#code = code;\r\n    }\r\n\r\n    /**\r\n     * Gets the RANDOM.ORG error code, see\r\n     * https://api.random.org/json-rpc/4/error-codes\r\n     * @returns {number} The error code.\r\n     */\r\n    getCode() {\r\n        return this.#code;\r\n    }\r\n}\r\n\r\n/**\r\n * Error thrown by the RandomOrgClient class when its set blocking timeout is\r\n * exceeded before the request can be sent.\r\n */\r\nexports.RandomOrgSendTimeoutError = class RandomOrgSendTimeoutError extends Error\r\n{\r\n    /**\r\n     * Error thrown by the RandomOrgClient class when its set blocking timeout is\r\n     * exceeded before the request can be sent.\r\n     * @constructor\r\n     * @param {string} message The detail message.\r\n     */\r\n    constructor(message) {\r\n        super(message);\r\n    }\r\n}\r\n\r\n/**\r\n * Error thrown when data retrieval from an emtpy RandomOrgCache is attempted.\r\n */\r\nexports.RandomOrgCacheEmptyError = class RandomOrgCacheEmptyError extends Error\r\n{\r\n    #paused = false;\r\n\r\n    /**\r\n     * Error thrown when data retrieval from an emtpy RandomOrgCache is attempted.\r\n     * @constructor\r\n     * @param {string} message The detail message.\r\n     * @param {boolean} paused Reflects whether the RandomOrgCache instance was\r\n     *     paused when this error was thrown.\r\n     */\r\n    constructor(message, paused = false) {\r\n        super(message);\r\n        this.#paused = paused;\r\n    }\r\n\r\n    /**\r\n     * Returns whether the cache was paused at the time when the\r\n     * error was thrown.\r\n     * @returns {boolean} True if paused, false otherwise.\r\n     */\r\n    wasPaused() {\r\n        return this.#paused;\r\n    }\r\n}","'use strict';\r\nconst {\r\n    RandomOrgInsufficientBitsError,\r\n    RandomOrgCacheEmptyError\r\n} = require('./RandomOrgErrors.js');\r\n/**\r\n * Precache class for frequently used requests.\r\n */\r\nmodule.exports = class RandomOrgCache {\r\n    // function used to send a request\r\n    #requestFunction = null;\r\n\r\n    // request to be sent\r\n    #request = null;\r\n\r\n    // n for bulk requests\r\n    #bulkRequestNumber = 0;\r\n    // n for a single request\r\n    #requestNumber = 0;\r\n    // size of a single request in bits\r\n    #requestSize = -1;\r\n\r\n    // stores cached arrays of values\r\n    #stack = [];\r\n    // number of arrays to try to maintain in #stack\r\n    #cacheSize = 10;\r\n\r\n    // status of the cache\r\n    #paused = false;\r\n    // bits used by this cache\r\n    #bitsUsed = 0;\r\n    // requests used by this cache\r\n    #requestsUsed = 0;\r\n    // ensures #populate() does not issue parallel requests\r\n    #currentlyPopulating = false;\r\n\r\n    // an error which will be thrown on the next call to get() or getOrWait()\r\n    #error = null;\r\n\r\n    /**\r\n     * Initialize class and start stack population\r\n     * \r\n     * ** WARNING** Should only be called by RandomOrgClient's createCache()\r\n     * methods.\r\n     * @param {function(Object) : Object} requestFunction Function used to send\r\n     *     supplied request to server.\r\n     * @param {Object} request Request to send to server via requestFunction.\r\n     * @param {number} cacheSize Number of request responses to try maintain.\r\n     * @param {number} bulkRequestNumber If request is set to be issued in bulk,\r\n     *     number of result sets in a bulk request, else 0.\r\n     * @param {number} requestNumber If request is set to be issued in bulk,\r\n     *     number of results in a single request, else 0.\r\n     * @param {number} singleRequestSize Size of a single request in bits for\r\n     *     adjusting bulk requests if bits are in short supply on the server.\r\n     */\r\n    constructor(requestFunction, request, cacheSize, bulkRequestNumber, requestNumber, singleRequestSize) {\r\n        this.#requestFunction = requestFunction;\r\n\r\n        this.#request = request;\r\n        \r\n        this.#cacheSize = cacheSize;\r\n\r\n        this.#bulkRequestNumber = bulkRequestNumber;\r\n        this.#requestNumber = requestNumber;\r\n        this.#requestSize = singleRequestSize;\r\n\r\n        this.#populate();\r\n    }\r\n\r\n    /**\r\n     * Function to continue issuing requests until the stack is full.\r\n     * \r\n     * Keep issuing requests to server until stack is full. When stack is full\r\n     * if requests are being issued in bulk, wait until stack has enough space\r\n     * to accommodate all of a bulk request before issuing a new request, otherwise\r\n     * issue a new request every time an item in the stack has been consumed. Note\r\n     * that requests are blocking ('await' is used when calling the requestFunction),\r\n     * i.e., only one request will be issued by the cache at any given time.\r\n     */\r\n    #populate = async () => {\r\n        if (!this.#currentlyPopulating && !this.#paused) {\r\n            this.#currentlyPopulating = true;\r\n\r\n            let response = null;\r\n\r\n            while (true) {\r\n                if (this.#error != null) {\r\n                    break;\r\n                }\r\n                if (this.#bulkRequestNumber > 0) {\r\n                    // Is there space for a bulk response in the stack?\r\n                    if (this.#stack.length <= (this.#cacheSize - this.#bulkRequestNumber)) {\r\n                        try {\r\n                            response = await this.#requestFunction(this.#request);\r\n                            this.#addResponse(response, true);\r\n                        } catch (e) {\r\n                            // not enough bits remaining for a bulk request\r\n                            if (e instanceof RandomOrgInsufficientBitsError) {\r\n                                let bitsLeft = e.getBitsLeft();\r\n                                if (bitsLeft > this.#requestSize) {\r\n                                    // if possible, adjust request for the largest possible size\r\n                                    let adjustedBulk = Math.floor(bitsLeft/this.#requestSize);\r\n                                    this.#request.params.n = adjustedBulk * this.#requestNumber;\r\n\r\n                                    response = await this.#requestFunction(this.#request);\r\n                                    this.#addResponse(response, true);\r\n\r\n                                    // reset to original bulk request size\r\n                                    this.#request.params.n = this.#bulkRequestNumber * this.#requestNumber;\r\n                                } else {\r\n                                    // request size cannot be adjusted\r\n                                    this.#error = e;\r\n                                }                                \r\n                            } else {\r\n                                // Any other error thrown during in the request function\r\n                                this.#error = e;\r\n                            }\r\n                        }\r\n                    } else {\r\n                        // no space for a bulk request\r\n                        break;\r\n                    }\r\n                } else if (this.#stack.length < this.#cacheSize) {\r\n                    // individual requests\r\n                    try {\r\n                        response = await this.#requestFunction(this.#request);\r\n                        this.#addResponse(response, false);\r\n                    } catch(e) {\r\n                        this.#error = e;\r\n                    }\r\n                } else {\r\n                    // the stack is full\r\n                    break;\r\n                }\r\n            }               \r\n\r\n            this.#currentlyPopulating = false;\r\n        }\r\n    }\r\n\r\n    /**\r\n     * The cache will no longer continue to populate itself.\r\n     */\r\n    stop() {\r\n        this.#paused = true;\r\n    }\r\n\r\n    /**\r\n     * The cache will resume populating itself if stopped.\r\n     */\r\n    resume() {\r\n        this.#paused = false;\r\n\r\n        // check if it needs to be repopulated\r\n        this.#refresh();\r\n    }\r\n\r\n    /**\r\n     * Checks if the cache is currently not re-populating itself.\r\n     * \r\n     * Values currently cached may still be retrieved with get() but no new\r\n     * values are being fetched from the server. This state can be changed with\r\n     * stop() and resume().\r\n     * @returns {boolean} True if cache is currently not re-populating itself,\r\n     *     false otherwise.\r\n     */\r\n    isPaused() {\r\n        return this.#paused;\r\n    }\r\n\r\n    /**\r\n     * Gets the next response.\r\n     * Note that if the cache is empty, if was constructed with unsuitable parameter\r\n     * values or if the daily allowance of bits/requests has been reached, the appropriate\r\n     * error will be thrown.\r\n     * @returns {any[]} The next appropriate response for the request this RandomOrgCache\r\n     *     represents or, if stack is empty throws an error.\r\n     * @throws RandomOrgCacheEmptyError if the cache is empty.\r\n     */\r\n    get() {\r\n        if (this.#error != null) {\r\n            throw this.#error;\r\n        }\r\n        if (this.#stack && this.#stack.length == 0) {\r\n            if (this.#paused) {\r\n                throw new RandomOrgCacheEmptyError('The RandomOrgCache stack '\r\n                    + 'is empty and the cache is paused. Please call resume() to '\r\n                    + 'restart populating the cache.', true);            \r\n            } else {\r\n                throw new RandomOrgCacheEmptyError('The RandomOrgCache stack '\r\n                    + 'is empty, please wait for it to repopulate itself.');\r\n            }\r\n        } else {\r\n            let data = this.#stack.pop();\r\n\r\n            // check if it needs to be repopulated\r\n            this.#refresh();\r\n\r\n            return data;\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Get next response or wait until the next value is available. This method\r\n     * will block until a value is available. Note: this method will throw an error\r\n     * if the cache is empty and has been paused, i.e. is not being populated. If\r\n     * the cache was constructed with unsuitable parameter values or the daily allowance\r\n     * of bits/requests has been reached, the appropriate error will also be thrown.\r\n     * @returns {Promise<any[]>} The next appropriate response for the request this\r\n     * RandomOrgCache represents.\r\n     * @throws RandomOrgCacheEmptyError if the cache is empty and is paused.\r\n     */\r\n    async getOrWait() {\r\n        try {\r\n            let values = this.get();\r\n            return values;\r\n        } catch (e) {\r\n            if (e instanceof RandomOrgCacheEmptyError) {\r\n                if (this.#paused) {\r\n                    // The cache is paused and will not return any values\r\n                    throw e;\r\n                }\r\n                let cachedValues = await this.#populate();\r\n                if (cachedValues == 0) {\r\n                    // The cache has not yet repopulated.\r\n                    await new Promise(r => setTimeout(r, 50));\r\n                }\r\n                return this.getOrWait();\r\n            }\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Gets the number of result sets remaining in the cache.\r\n     * \r\n     * This essentially returns how often get() may be called without\r\n     * a cache refill.\r\n     * @returns {number} Current number of cached results.\r\n     */\r\n    getCachedValues() {\r\n        return this.#stack.length;\r\n    }\r\n\r\n    /**\r\n     * Gets the number of bits used by this cache.\r\n     * @returns {number} Number of bits used.\r\n     */\r\n    getBitsUsed() {\r\n        return this.#bitsUsed;\r\n    }\r\n\r\n    /**\r\n     * Gets number of requests used by this cache.\r\n     * @returns {number} Number of requests used.\r\n     */\r\n    getRequestsUsed() {\r\n        return this.#requestsUsed;\r\n    }\r\n\r\n    /**\r\n     * Helper function to check if the cache needs to be repopulated.\r\n     */\r\n    #refresh = () => {\r\n        if (this.#bulkRequestNumber > 0 && this.#stack.length <= (this.#cacheSize - this.#bulkRequestNumber)) {\r\n            // bulk requests\r\n            this.#populate();\r\n        }\r\n        else if (this.#bulkRequestNumber <= 0 && this.#stack.length < this.#cacheSize) {\r\n            // individual requests\r\n            this.#populate();\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Helper function to add a response to the stack.\r\n     * @param {any[]} response The response received from the server.\r\n     * @param {boolean} bulk True if the cache issues bulk requests, false otherwise.\r\n     */\r\n    #addResponse = (response, bulk) => {\r\n        this.#requestsUsed++;\r\n        this.#bitsUsed += response.result.bitsUsed;\r\n\r\n        if (bulk) {\r\n            let data = response.result.random.data;\r\n            for (let i = 0; i < data.length; i += this.#requestNumber) {\r\n                this.#stack.push(data.slice(i, i + this.#requestNumber));\r\n            }\r\n        } else {\r\n            this.#stack.push(response.result.random.data);\r\n        }\r\n    }\r\n}","'use strict';\r\n\r\nconst {\r\n    RandomOrgBadHTTPResponseError,\r\n    RandomOrgInsufficientBitsError,\r\n    RandomOrgInsufficientRequestsError,\r\n    RandomOrgJSONRPCError,\r\n    RandomOrgKeyNotRunningError,\r\n    RandomOrgRANDOMORGError,\r\n    RandomOrgSendTimeoutError\r\n} = require('./RandomOrgErrors.js');\r\nconst RandomOrgCache = require('./RandomOrgCache.js');\r\n/* node-import */\r\nconst XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest;\r\n/* end-node-import */\r\n\r\n/**\r\n * RandomOrgClient main class through which API functions are accessed.\r\n * \r\n * This class provides access to both the signed and unsigned methods of the\r\n * RANDOM.ORG API.\r\n * \r\n * The class also provides access to the creation of a convenience class, RandomOrgCache,\r\n * for precaching API responses when the request is known in advance.\r\n * \r\n * This class will only allow the creation of one instance per API key. If an\r\n * instance of this class already exists for a given key, that instance will be\r\n * returned instead of a new instance.\r\n * \r\n * This class obeys most of the guidelines set forth in https://api.random.org/json-rpc/4\r\n * All requests respect the server's advisoryDelay returned in any responses, or use\r\n * DEFAULT_DELAY if no advisoryDelay is returned. If the supplied API key is paused, i.e.,\r\n * has exceeded its daily bit/request allowance, this implementation will back off until\r\n * midnight UTC.\r\n */\r\nmodule.exports = class RandomOrgClient {\r\n    // Basic API\r\n    static #INTEGER_METHOD = 'generateIntegers';\r\n    static #INTEGER_SEQUENCE_METHOD = 'generateIntegerSequences';\r\n    static #DECIMAL_FRACTION_METHOD = 'generateDecimalFractions';\r\n    static #GAUSSIAN_METHOD = 'generateGaussians';\r\n    static #STRING_METHOD = 'generateStrings';\r\n    static #UUID_METHOD = 'generateUUIDs';\r\n    static #BLOB_METHOD = 'generateBlobs';\r\n    static #GET_USAGE_METHOD = 'getUsage';\r\n\r\n    // Signed API\r\n    static #SIGNED_INTEGER_METHOD = 'generateSignedIntegers';\r\n    static #SIGNED_INTEGER_SEQUENCE_METHOD = 'generateSignedIntegerSequences';\r\n    static #SIGNED_DECIMAL_FRACTION_METHOD = 'generateSignedDecimalFractions';\r\n    static #SIGNED_GAUSSIAN_METHOD = 'generateSignedGaussians';\r\n    static #SIGNED_STRING_METHOD = 'generateSignedStrings';\r\n    static #SIGNED_UUID_METHOD = 'generateSignedUUIDs';\r\n    static #SIGNED_BLOB_METHOD = 'generateSignedBlobs';\r\n    static #GET_RESULT_METHOD = 'getResult';\r\n    static #CREATE_TICKET_METHOD = 'createTickets';\r\n    static #LIST_TICKET_METHOD = 'listTickets';\r\n    static #GET_TICKET_METHOD = 'getTicket';\r\n    static #VERIFY_SIGNATURE_METHOD = 'verifySignature';\r\n\r\n    // Blob format literals\r\n    /** Blob format literal, base64 encoding (default). */\r\n    static BLOB_FORMAT_BASE64 = 'base64';\r\n    /** Blob format literal, hex encoding. */\r\n    static BLOB_FORMAT_HEX = 'hex';\r\n\r\n    // Default values\r\n    /** Default value for the replacement parameter (true). */\r\n    static DEFAULT_REPLACEMENT = true;\r\n    /** Default value for the base parameter (10). */\r\n    static DEFAULT_BASE = 10;\r\n    /** Default value for the userData parameter (null). */\r\n    static DEFAULT_USER_DATA = null;\r\n    /** Default value for the ticketId parameter (null). */\r\n    static DEFAULT_TICKET_ID = null;\r\n    /** Default value for the pregeneratedRandomization parameter (null). */\r\n    static DEFAULT_PREGENERATED_RANDOMIZATION = null;\r\n    /** Default value for the licenseData parameter (null). */\r\n    static DEFAULT_LICENSE_DATA = null;\r\n\r\n    /** Size of a single UUID in bits. */\r\n    static UUID_SIZE = 122;\r\n    /** Default value for the blockingTimeout parameter (1 day). */\r\n    static DEFAULT_BLOCKING_TIMEOUT = 24 * 60 * 60 * 1000;\r\n    /** Default value for the httpTimeout parameter (2 minutes). */\r\n    static DEFAULT_HTTP_TIMEOUT = 120 * 1000;\r\n    /** Maximum number of characters allowed in a signature verficiation URL. */\r\n    static MAX_URL_LENGTH = 2046;\r\n\r\n    // Default back-off to use if no advisoryDelay back-off supplied by server (1 second)\r\n    static #DEFAULT_DELAY = 1*1000;\r\n\r\n    // On request fetch fresh allowance state if current state data is older than\r\n    // this value (1 hour).\r\n    static #ALLOWANCE_STATE_REFRESH_SECONDS = 3600 * 1000;\r\n\r\n    // Maintains usage statistics from server.\r\n    #bitsLeft = -1;\r\n    #requestsLeft = -1;\r\n\r\n    // Back-off info for when the API key is detected as not running, probably\r\n    // because the key has exceeded its daily usage limit. Back-off runs until\r\n    // midnight UTC.\r\n    #backoff = -1;\r\n    #backoffError = '';\r\n\r\n    #apiKey = '';\r\n    #blockingTimeout = RandomOrgClient.DEFAULT_BLOCKING_TIMEOUT;\r\n    #httpTimeout = RandomOrgClient.DEFAULT_HTTP_TIMEOUT;\r\n\r\n    // Maintain info to obey server advisory delay\r\n    #advisoryDelay = 0;\r\n    #lastResponseReceivedTime = 0;\r\n\r\n    // Maintains a dictionary of API keys and their instances.\r\n    static #keyIndexedInstances = {};\r\n\r\n    static #ERROR_CODES = [ 100, 101, 200, 201, 202, 203, 204, 300,\r\n        301, 302, 303, 304, 305, 306, 307, 400, 401, 402, 403, 404,\r\n        405, 420, 421, 422, 423, 424, 425, 500, 32000 ];\r\n\r\n    /**\r\n     * Constructor. Ensures only one instance of RandomOrgClient exists per API\r\n     * key. Creates a new instance if the supplied key isn't already known,\r\n     * otherwise returns the previously instantiated one.\r\n     * @constructor\r\n     * @param {string} apiKey API key of instance to create/find, obtained from\r\n     *     RANDOM.ORG, see https://api.random.org/api-keys\r\n     * @param {{blockingTimeout?: number, httpTimeout?: number}} options An object\r\n     *     which may contains any of the following optional parameters:\r\n     * @param {number} [options.blockingTimeout = 24 * 60 * 60 * 1000] Maximum\r\n     *     time in milliseconds to wait before being allowed to send a request.\r\n     *     Note this is a hint not a guarantee. The advisory delay from server\r\n     *     must always be obeyed. Supply a value of -1 to allow blocking forever\r\n     *     (default 24 * 60 * 60 * 1000, i.e., 1 day).\r\n     * @param {number} [options.httpTimeout = 120 * 1000] Maximum time in\r\n     *     milliseconds to wait for the server response to a request (default\r\n     *     120*1000).\r\n     */\r\n    constructor(apiKey, options = {}) {\r\n        if (RandomOrgClient.#keyIndexedInstances && RandomOrgClient.#keyIndexedInstances[apiKey]) {\r\n            return RandomOrgClient.#keyIndexedInstances[apiKey];\r\n        } else {\r\n            this.#apiKey = apiKey;\r\n            this.#blockingTimeout = options.blockingTimeout || 24 * 60 * 60 * 1000;\r\n            this.#httpTimeout = options.httpTimeout || 120 * 1000;\r\n\r\n            RandomOrgClient.#keyIndexedInstances[apiKey] = this;\r\n        }\r\n    }\r\n\r\n    // Basic API\r\n\r\n    /**\r\n     * Requests and returns an a