mirror of
https://github.com/xuxiaobo-bobo/boda_jsEnv.git
synced 2025-04-22 18:26:01 +08:00
361 lines
12 KiB
JavaScript
361 lines
12 KiB
JavaScript
/*!
|
|
Copyright (c) Peculiar Ventures, LLC
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', { value: true });
|
|
|
|
function getUTCDate(date) {
|
|
return new Date(date.getTime() + (date.getTimezoneOffset() * 60000));
|
|
}
|
|
function getParametersValue(parameters, name, defaultValue) {
|
|
var _a;
|
|
if ((parameters instanceof Object) === false) {
|
|
return defaultValue;
|
|
}
|
|
return (_a = parameters[name]) !== null && _a !== void 0 ? _a : defaultValue;
|
|
}
|
|
function bufferToHexCodes(inputBuffer, inputOffset = 0, inputLength = (inputBuffer.byteLength - inputOffset), insertSpace = false) {
|
|
let result = "";
|
|
for (const item of (new Uint8Array(inputBuffer, inputOffset, inputLength))) {
|
|
const str = item.toString(16).toUpperCase();
|
|
if (str.length === 1) {
|
|
result += "0";
|
|
}
|
|
result += str;
|
|
if (insertSpace) {
|
|
result += " ";
|
|
}
|
|
}
|
|
return result.trim();
|
|
}
|
|
function checkBufferParams(baseBlock, inputBuffer, inputOffset, inputLength) {
|
|
if (!(inputBuffer instanceof ArrayBuffer)) {
|
|
baseBlock.error = "Wrong parameter: inputBuffer must be \"ArrayBuffer\"";
|
|
return false;
|
|
}
|
|
if (!inputBuffer.byteLength) {
|
|
baseBlock.error = "Wrong parameter: inputBuffer has zero length";
|
|
return false;
|
|
}
|
|
if (inputOffset < 0) {
|
|
baseBlock.error = "Wrong parameter: inputOffset less than zero";
|
|
return false;
|
|
}
|
|
if (inputLength < 0) {
|
|
baseBlock.error = "Wrong parameter: inputLength less than zero";
|
|
return false;
|
|
}
|
|
if ((inputBuffer.byteLength - inputOffset - inputLength) < 0) {
|
|
baseBlock.error = "End of input reached before message was fully decoded (inconsistent offset and length values)";
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function utilFromBase(inputBuffer, inputBase) {
|
|
let result = 0;
|
|
if (inputBuffer.length === 1) {
|
|
return inputBuffer[0];
|
|
}
|
|
for (let i = (inputBuffer.length - 1); i >= 0; i--) {
|
|
result += inputBuffer[(inputBuffer.length - 1) - i] * Math.pow(2, inputBase * i);
|
|
}
|
|
return result;
|
|
}
|
|
function utilToBase(value, base, reserved = (-1)) {
|
|
const internalReserved = reserved;
|
|
let internalValue = value;
|
|
let result = 0;
|
|
let biggest = Math.pow(2, base);
|
|
for (let i = 1; i < 8; i++) {
|
|
if (value < biggest) {
|
|
let retBuf;
|
|
if (internalReserved < 0) {
|
|
retBuf = new ArrayBuffer(i);
|
|
result = i;
|
|
}
|
|
else {
|
|
if (internalReserved < i) {
|
|
return (new ArrayBuffer(0));
|
|
}
|
|
retBuf = new ArrayBuffer(internalReserved);
|
|
result = internalReserved;
|
|
}
|
|
const retView = new Uint8Array(retBuf);
|
|
for (let j = (i - 1); j >= 0; j--) {
|
|
const basis = Math.pow(2, j * base);
|
|
retView[result - j - 1] = Math.floor(internalValue / basis);
|
|
internalValue -= (retView[result - j - 1]) * basis;
|
|
}
|
|
return retBuf;
|
|
}
|
|
biggest *= Math.pow(2, base);
|
|
}
|
|
return new ArrayBuffer(0);
|
|
}
|
|
function utilConcatBuf(...buffers) {
|
|
let outputLength = 0;
|
|
let prevLength = 0;
|
|
for (const buffer of buffers) {
|
|
outputLength += buffer.byteLength;
|
|
}
|
|
const retBuf = new ArrayBuffer(outputLength);
|
|
const retView = new Uint8Array(retBuf);
|
|
for (const buffer of buffers) {
|
|
retView.set(new Uint8Array(buffer), prevLength);
|
|
prevLength += buffer.byteLength;
|
|
}
|
|
return retBuf;
|
|
}
|
|
function utilConcatView(...views) {
|
|
let outputLength = 0;
|
|
let prevLength = 0;
|
|
for (const view of views) {
|
|
outputLength += view.length;
|
|
}
|
|
const retBuf = new ArrayBuffer(outputLength);
|
|
const retView = new Uint8Array(retBuf);
|
|
for (const view of views) {
|
|
retView.set(view, prevLength);
|
|
prevLength += view.length;
|
|
}
|
|
return retView;
|
|
}
|
|
function utilDecodeTC() {
|
|
const buf = new Uint8Array(this.valueHex);
|
|
if (this.valueHex.byteLength >= 2) {
|
|
const condition1 = (buf[0] === 0xFF) && (buf[1] & 0x80);
|
|
const condition2 = (buf[0] === 0x00) && ((buf[1] & 0x80) === 0x00);
|
|
if (condition1 || condition2) {
|
|
this.warnings.push("Needlessly long format");
|
|
}
|
|
}
|
|
const bigIntBuffer = new ArrayBuffer(this.valueHex.byteLength);
|
|
const bigIntView = new Uint8Array(bigIntBuffer);
|
|
for (let i = 0; i < this.valueHex.byteLength; i++) {
|
|
bigIntView[i] = 0;
|
|
}
|
|
bigIntView[0] = (buf[0] & 0x80);
|
|
const bigInt = utilFromBase(bigIntView, 8);
|
|
const smallIntBuffer = new ArrayBuffer(this.valueHex.byteLength);
|
|
const smallIntView = new Uint8Array(smallIntBuffer);
|
|
for (let j = 0; j < this.valueHex.byteLength; j++) {
|
|
smallIntView[j] = buf[j];
|
|
}
|
|
smallIntView[0] &= 0x7F;
|
|
const smallInt = utilFromBase(smallIntView, 8);
|
|
return (smallInt - bigInt);
|
|
}
|
|
function utilEncodeTC(value) {
|
|
const modValue = (value < 0) ? (value * (-1)) : value;
|
|
let bigInt = 128;
|
|
for (let i = 1; i < 8; i++) {
|
|
if (modValue <= bigInt) {
|
|
if (value < 0) {
|
|
const smallInt = bigInt - modValue;
|
|
const retBuf = utilToBase(smallInt, 8, i);
|
|
const retView = new Uint8Array(retBuf);
|
|
retView[0] |= 0x80;
|
|
return retBuf;
|
|
}
|
|
let retBuf = utilToBase(modValue, 8, i);
|
|
let retView = new Uint8Array(retBuf);
|
|
if (retView[0] & 0x80) {
|
|
const tempBuf = retBuf.slice(0);
|
|
const tempView = new Uint8Array(tempBuf);
|
|
retBuf = new ArrayBuffer(retBuf.byteLength + 1);
|
|
retView = new Uint8Array(retBuf);
|
|
for (let k = 0; k < tempBuf.byteLength; k++) {
|
|
retView[k + 1] = tempView[k];
|
|
}
|
|
retView[0] = 0x00;
|
|
}
|
|
return retBuf;
|
|
}
|
|
bigInt *= Math.pow(2, 8);
|
|
}
|
|
return (new ArrayBuffer(0));
|
|
}
|
|
function isEqualBuffer(inputBuffer1, inputBuffer2) {
|
|
if (inputBuffer1.byteLength !== inputBuffer2.byteLength) {
|
|
return false;
|
|
}
|
|
const view1 = new Uint8Array(inputBuffer1);
|
|
const view2 = new Uint8Array(inputBuffer2);
|
|
for (let i = 0; i < view1.length; i++) {
|
|
if (view1[i] !== view2[i]) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
function padNumber(inputNumber, fullLength) {
|
|
const str = inputNumber.toString(10);
|
|
if (fullLength < str.length) {
|
|
return "";
|
|
}
|
|
const dif = fullLength - str.length;
|
|
const padding = new Array(dif);
|
|
for (let i = 0; i < dif; i++) {
|
|
padding[i] = "0";
|
|
}
|
|
const paddingString = padding.join("");
|
|
return paddingString.concat(str);
|
|
}
|
|
const base64Template = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
|
|
const base64UrlTemplate = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_=";
|
|
function toBase64(input, useUrlTemplate = false, skipPadding = false, skipLeadingZeros = false) {
|
|
let i = 0;
|
|
let flag1 = 0;
|
|
let flag2 = 0;
|
|
let output = "";
|
|
const template = (useUrlTemplate) ? base64UrlTemplate : base64Template;
|
|
if (skipLeadingZeros) {
|
|
let nonZeroPosition = 0;
|
|
for (let i = 0; i < input.length; i++) {
|
|
if (input.charCodeAt(i) !== 0) {
|
|
nonZeroPosition = i;
|
|
break;
|
|
}
|
|
}
|
|
input = input.slice(nonZeroPosition);
|
|
}
|
|
while (i < input.length) {
|
|
const chr1 = input.charCodeAt(i++);
|
|
if (i >= input.length) {
|
|
flag1 = 1;
|
|
}
|
|
const chr2 = input.charCodeAt(i++);
|
|
if (i >= input.length) {
|
|
flag2 = 1;
|
|
}
|
|
const chr3 = input.charCodeAt(i++);
|
|
const enc1 = chr1 >> 2;
|
|
const enc2 = ((chr1 & 0x03) << 4) | (chr2 >> 4);
|
|
let enc3 = ((chr2 & 0x0F) << 2) | (chr3 >> 6);
|
|
let enc4 = chr3 & 0x3F;
|
|
if (flag1 === 1) {
|
|
enc3 = enc4 = 64;
|
|
}
|
|
else {
|
|
if (flag2 === 1) {
|
|
enc4 = 64;
|
|
}
|
|
}
|
|
if (skipPadding) {
|
|
if (enc3 === 64) {
|
|
output += `${template.charAt(enc1)}${template.charAt(enc2)}`;
|
|
}
|
|
else {
|
|
if (enc4 === 64) {
|
|
output += `${template.charAt(enc1)}${template.charAt(enc2)}${template.charAt(enc3)}`;
|
|
}
|
|
else {
|
|
output += `${template.charAt(enc1)}${template.charAt(enc2)}${template.charAt(enc3)}${template.charAt(enc4)}`;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
output += `${template.charAt(enc1)}${template.charAt(enc2)}${template.charAt(enc3)}${template.charAt(enc4)}`;
|
|
}
|
|
}
|
|
return output;
|
|
}
|
|
function fromBase64(input, useUrlTemplate = false, cutTailZeros = false) {
|
|
const template = (useUrlTemplate) ? base64UrlTemplate : base64Template;
|
|
function indexOf(toSearch) {
|
|
for (let i = 0; i < 64; i++) {
|
|
if (template.charAt(i) === toSearch)
|
|
return i;
|
|
}
|
|
return 64;
|
|
}
|
|
function test(incoming) {
|
|
return ((incoming === 64) ? 0x00 : incoming);
|
|
}
|
|
let i = 0;
|
|
let output = "";
|
|
while (i < input.length) {
|
|
const enc1 = indexOf(input.charAt(i++));
|
|
const enc2 = (i >= input.length) ? 0x00 : indexOf(input.charAt(i++));
|
|
const enc3 = (i >= input.length) ? 0x00 : indexOf(input.charAt(i++));
|
|
const enc4 = (i >= input.length) ? 0x00 : indexOf(input.charAt(i++));
|
|
const chr1 = (test(enc1) << 2) | (test(enc2) >> 4);
|
|
const chr2 = ((test(enc2) & 0x0F) << 4) | (test(enc3) >> 2);
|
|
const chr3 = ((test(enc3) & 0x03) << 6) | test(enc4);
|
|
output += String.fromCharCode(chr1);
|
|
if (enc3 !== 64) {
|
|
output += String.fromCharCode(chr2);
|
|
}
|
|
if (enc4 !== 64) {
|
|
output += String.fromCharCode(chr3);
|
|
}
|
|
}
|
|
if (cutTailZeros) {
|
|
const outputLength = output.length;
|
|
let nonZeroStart = (-1);
|
|
for (let i = (outputLength - 1); i >= 0; i--) {
|
|
if (output.charCodeAt(i) !== 0) {
|
|
nonZeroStart = i;
|
|
break;
|
|
}
|
|
}
|
|
if (nonZeroStart !== (-1)) {
|
|
output = output.slice(0, nonZeroStart + 1);
|
|
}
|
|
else {
|
|
output = "";
|
|
}
|
|
}
|
|
return output;
|
|
}
|
|
function arrayBufferToString(buffer) {
|
|
let resultString = "";
|
|
const view = new Uint8Array(buffer);
|
|
for (const element of view) {
|
|
resultString += String.fromCharCode(element);
|
|
}
|
|
return resultString;
|
|
}
|
|
function stringToArrayBuffer(str) {
|
|
const stringLength = str.length;
|
|
const resultBuffer = new ArrayBuffer(stringLength);
|
|
const resultView = new Uint8Array(resultBuffer);
|
|
for (let i = 0; i < stringLength; i++) {
|
|
resultView[i] = str.charCodeAt(i);
|
|
}
|
|
return resultBuffer;
|
|
}
|
|
const log2 = Math.log(2);
|
|
function nearestPowerOf2(length) {
|
|
const base = (Math.log(length) / log2);
|
|
const floor = Math.floor(base);
|
|
const round = Math.round(base);
|
|
return ((floor === round) ? floor : round);
|
|
}
|
|
function clearProps(object, propsArray) {
|
|
for (const prop of propsArray) {
|
|
delete object[prop];
|
|
}
|
|
}
|
|
|
|
exports.arrayBufferToString = arrayBufferToString;
|
|
exports.bufferToHexCodes = bufferToHexCodes;
|
|
exports.checkBufferParams = checkBufferParams;
|
|
exports.clearProps = clearProps;
|
|
exports.fromBase64 = fromBase64;
|
|
exports.getParametersValue = getParametersValue;
|
|
exports.getUTCDate = getUTCDate;
|
|
exports.isEqualBuffer = isEqualBuffer;
|
|
exports.nearestPowerOf2 = nearestPowerOf2;
|
|
exports.padNumber = padNumber;
|
|
exports.stringToArrayBuffer = stringToArrayBuffer;
|
|
exports.toBase64 = toBase64;
|
|
exports.utilConcatBuf = utilConcatBuf;
|
|
exports.utilConcatView = utilConcatView;
|
|
exports.utilDecodeTC = utilDecodeTC;
|
|
exports.utilEncodeTC = utilEncodeTC;
|
|
exports.utilFromBase = utilFromBase;
|
|
exports.utilToBase = utilToBase;
|