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1298 lines
33 KiB
1298 lines
33 KiB
3 years ago
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"use strict";
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const punycode = require("punycode");
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const tr46 = require("tr46");
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const specialSchemes = {
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ftp: 21,
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file: null,
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gopher: 70,
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http: 80,
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https: 443,
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ws: 80,
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wss: 443
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};
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const failure = Symbol("failure");
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function countSymbols(str) {
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return punycode.ucs2.decode(str).length;
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}
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function at(input, idx) {
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const c = input[idx];
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return isNaN(c) ? undefined : String.fromCodePoint(c);
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}
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function isASCIIDigit(c) {
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return c >= 0x30 && c <= 0x39;
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}
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function isASCIIAlpha(c) {
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return (c >= 0x41 && c <= 0x5A) || (c >= 0x61 && c <= 0x7A);
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}
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function isASCIIAlphanumeric(c) {
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return isASCIIAlpha(c) || isASCIIDigit(c);
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}
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function isASCIIHex(c) {
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return isASCIIDigit(c) || (c >= 0x41 && c <= 0x46) || (c >= 0x61 && c <= 0x66);
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}
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function isSingleDot(buffer) {
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return buffer === "." || buffer.toLowerCase() === "%2e";
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}
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function isDoubleDot(buffer) {
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buffer = buffer.toLowerCase();
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return buffer === ".." || buffer === "%2e." || buffer === ".%2e" || buffer === "%2e%2e";
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}
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function isWindowsDriveLetterCodePoints(cp1, cp2) {
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return isASCIIAlpha(cp1) && (cp2 === 58 || cp2 === 124);
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}
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function isWindowsDriveLetterString(string) {
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return string.length === 2 && isASCIIAlpha(string.codePointAt(0)) && (string[1] === ":" || string[1] === "|");
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}
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function isNormalizedWindowsDriveLetterString(string) {
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return string.length === 2 && isASCIIAlpha(string.codePointAt(0)) && string[1] === ":";
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}
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function containsForbiddenHostCodePoint(string) {
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return string.search(/\u0000|\u0009|\u000A|\u000D|\u0020|#|%|\/|:|\?|@|\[|\\|\]/) !== -1;
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}
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function containsForbiddenHostCodePointExcludingPercent(string) {
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return string.search(/\u0000|\u0009|\u000A|\u000D|\u0020|#|\/|:|\?|@|\[|\\|\]/) !== -1;
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}
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function isSpecialScheme(scheme) {
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return specialSchemes[scheme] !== undefined;
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}
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function isSpecial(url) {
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return isSpecialScheme(url.scheme);
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}
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function defaultPort(scheme) {
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return specialSchemes[scheme];
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}
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function percentEncode(c) {
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let hex = c.toString(16).toUpperCase();
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if (hex.length === 1) {
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hex = "0" + hex;
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}
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return "%" + hex;
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}
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function utf8PercentEncode(c) {
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const buf = new Buffer(c);
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let str = "";
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for (let i = 0; i < buf.length; ++i) {
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str += percentEncode(buf[i]);
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}
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return str;
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}
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function utf8PercentDecode(str) {
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const input = new Buffer(str);
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const output = [];
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for (let i = 0; i < input.length; ++i) {
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if (input[i] !== 37) {
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output.push(input[i]);
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} else if (input[i] === 37 && isASCIIHex(input[i + 1]) && isASCIIHex(input[i + 2])) {
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output.push(parseInt(input.slice(i + 1, i + 3).toString(), 16));
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i += 2;
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} else {
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output.push(input[i]);
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}
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}
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return new Buffer(output).toString();
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}
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function isC0ControlPercentEncode(c) {
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return c <= 0x1F || c > 0x7E;
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}
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const extraPathPercentEncodeSet = new Set([32, 34, 35, 60, 62, 63, 96, 123, 125]);
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function isPathPercentEncode(c) {
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return isC0ControlPercentEncode(c) || extraPathPercentEncodeSet.has(c);
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}
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const extraUserinfoPercentEncodeSet =
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new Set([47, 58, 59, 61, 64, 91, 92, 93, 94, 124]);
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function isUserinfoPercentEncode(c) {
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return isPathPercentEncode(c) || extraUserinfoPercentEncodeSet.has(c);
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}
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function percentEncodeChar(c, encodeSetPredicate) {
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const cStr = String.fromCodePoint(c);
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if (encodeSetPredicate(c)) {
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return utf8PercentEncode(cStr);
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}
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return cStr;
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}
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function parseIPv4Number(input) {
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let R = 10;
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if (input.length >= 2 && input.charAt(0) === "0" && input.charAt(1).toLowerCase() === "x") {
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input = input.substring(2);
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R = 16;
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} else if (input.length >= 2 && input.charAt(0) === "0") {
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input = input.substring(1);
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R = 8;
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}
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if (input === "") {
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return 0;
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}
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const regex = R === 10 ? /[^0-9]/ : (R === 16 ? /[^0-9A-Fa-f]/ : /[^0-7]/);
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if (regex.test(input)) {
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return failure;
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}
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return parseInt(input, R);
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}
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function parseIPv4(input) {
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const parts = input.split(".");
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if (parts[parts.length - 1] === "") {
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if (parts.length > 1) {
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parts.pop();
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}
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}
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if (parts.length > 4) {
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return input;
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}
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const numbers = [];
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for (const part of parts) {
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if (part === "") {
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return input;
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}
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const n = parseIPv4Number(part);
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if (n === failure) {
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return input;
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}
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numbers.push(n);
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}
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for (let i = 0; i < numbers.length - 1; ++i) {
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if (numbers[i] > 255) {
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return failure;
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}
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}
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if (numbers[numbers.length - 1] >= Math.pow(256, 5 - numbers.length)) {
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return failure;
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}
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let ipv4 = numbers.pop();
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let counter = 0;
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for (const n of numbers) {
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ipv4 += n * Math.pow(256, 3 - counter);
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++counter;
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}
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return ipv4;
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}
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function serializeIPv4(address) {
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let output = "";
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let n = address;
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for (let i = 1; i <= 4; ++i) {
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output = String(n % 256) + output;
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if (i !== 4) {
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output = "." + output;
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}
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n = Math.floor(n / 256);
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}
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return output;
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}
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function parseIPv6(input) {
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const address = [0, 0, 0, 0, 0, 0, 0, 0];
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let pieceIndex = 0;
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let compress = null;
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let pointer = 0;
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input = punycode.ucs2.decode(input);
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if (input[pointer] === 58) {
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if (input[pointer + 1] !== 58) {
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return failure;
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}
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pointer += 2;
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++pieceIndex;
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compress = pieceIndex;
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}
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while (pointer < input.length) {
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if (pieceIndex === 8) {
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return failure;
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}
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if (input[pointer] === 58) {
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if (compress !== null) {
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return failure;
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}
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++pointer;
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++pieceIndex;
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compress = pieceIndex;
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continue;
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}
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let value = 0;
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let length = 0;
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while (length < 4 && isASCIIHex(input[pointer])) {
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value = value * 0x10 + parseInt(at(input, pointer), 16);
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++pointer;
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++length;
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}
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if (input[pointer] === 46) {
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if (length === 0) {
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return failure;
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}
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pointer -= length;
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if (pieceIndex > 6) {
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return failure;
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}
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let numbersSeen = 0;
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while (input[pointer] !== undefined) {
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let ipv4Piece = null;
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if (numbersSeen > 0) {
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if (input[pointer] === 46 && numbersSeen < 4) {
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++pointer;
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} else {
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return failure;
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}
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}
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if (!isASCIIDigit(input[pointer])) {
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return failure;
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}
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while (isASCIIDigit(input[pointer])) {
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const number = parseInt(at(input, pointer));
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if (ipv4Piece === null) {
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ipv4Piece = number;
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} else if (ipv4Piece === 0) {
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return failure;
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} else {
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||
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ipv4Piece = ipv4Piece * 10 + number;
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||
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}
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if (ipv4Piece > 255) {
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return failure;
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}
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++pointer;
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}
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address[pieceIndex] = address[pieceIndex] * 0x100 + ipv4Piece;
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++numbersSeen;
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if (numbersSeen === 2 || numbersSeen === 4) {
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++pieceIndex;
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}
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}
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if (numbersSeen !== 4) {
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return failure;
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}
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break;
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} else if (input[pointer] === 58) {
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++pointer;
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if (input[pointer] === undefined) {
|
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return failure;
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}
|
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} else if (input[pointer] !== undefined) {
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return failure;
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}
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||
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address[pieceIndex] = value;
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||
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++pieceIndex;
|
||
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}
|
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||
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if (compress !== null) {
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let swaps = pieceIndex - compress;
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pieceIndex = 7;
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while (pieceIndex !== 0 && swaps > 0) {
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const temp = address[compress + swaps - 1];
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||
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address[compress + swaps - 1] = address[pieceIndex];
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||
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address[pieceIndex] = temp;
|
||
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--pieceIndex;
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--swaps;
|
||
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}
|
||
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} else if (compress === null && pieceIndex !== 8) {
|
||
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return failure;
|
||
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}
|
||
|
|
||
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return address;
|
||
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}
|
||
|
|
||
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function serializeIPv6(address) {
|
||
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let output = "";
|
||
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const seqResult = findLongestZeroSequence(address);
|
||
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const compress = seqResult.idx;
|
||
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let ignore0 = false;
|
||
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||
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for (let pieceIndex = 0; pieceIndex <= 7; ++pieceIndex) {
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if (ignore0 && address[pieceIndex] === 0) {
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continue;
|
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} else if (ignore0) {
|
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ignore0 = false;
|
||
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}
|
||
|
|
||
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if (compress === pieceIndex) {
|
||
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const separator = pieceIndex === 0 ? "::" : ":";
|
||
|
output += separator;
|
||
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ignore0 = true;
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
output += address[pieceIndex].toString(16);
|
||
|
|
||
|
if (pieceIndex !== 7) {
|
||
|
output += ":";
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return output;
|
||
|
}
|
||
|
|
||
|
function parseHost(input, isSpecialArg) {
|
||
|
if (input[0] === "[") {
|
||
|
if (input[input.length - 1] !== "]") {
|
||
|
return failure;
|
||
|
}
|
||
|
|
||
|
return parseIPv6(input.substring(1, input.length - 1));
|
||
|
}
|
||
|
|
||
|
if (!isSpecialArg) {
|
||
|
return parseOpaqueHost(input);
|
||
|
}
|
||
|
|
||
|
const domain = utf8PercentDecode(input);
|
||
|
const asciiDomain = tr46.toASCII(domain, false, tr46.PROCESSING_OPTIONS.NONTRANSITIONAL, false);
|
||
|
if (asciiDomain === null) {
|
||
|
return failure;
|
||
|
}
|
||
|
|
||
|
if (containsForbiddenHostCodePoint(asciiDomain)) {
|
||
|
return failure;
|
||
|
}
|
||
|
|
||
|
const ipv4Host = parseIPv4(asciiDomain);
|
||
|
if (typeof ipv4Host === "number" || ipv4Host === failure) {
|
||
|
return ipv4Host;
|
||
|
}
|
||
|
|
||
|
return asciiDomain;
|
||
|
}
|
||
|
|
||
|
function parseOpaqueHost(input) {
|
||
|
if (containsForbiddenHostCodePointExcludingPercent(input)) {
|
||
|
return failure;
|
||
|
}
|
||
|
|
||
|
let output = "";
|
||
|
const decoded = punycode.ucs2.decode(input);
|
||
|
for (let i = 0; i < decoded.length; ++i) {
|
||
|
output += percentEncodeChar(decoded[i], isC0ControlPercentEncode);
|
||
|
}
|
||
|
return output;
|
||
|
}
|
||
|
|
||
|
function findLongestZeroSequence(arr) {
|
||
|
let maxIdx = null;
|
||
|
let maxLen = 1; // only find elements > 1
|
||
|
let currStart = null;
|
||
|
let currLen = 0;
|
||
|
|
||
|
for (let i = 0; i < arr.length; ++i) {
|
||
|
if (arr[i] !== 0) {
|
||
|
if (currLen > maxLen) {
|
||
|
maxIdx = currStart;
|
||
|
maxLen = currLen;
|
||
|
}
|
||
|
|
||
|
currStart = null;
|
||
|
currLen = 0;
|
||
|
} else {
|
||
|
if (currStart === null) {
|
||
|
currStart = i;
|
||
|
}
|
||
|
++currLen;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// if trailing zeros
|
||
|
if (currLen > maxLen) {
|
||
|
maxIdx = currStart;
|
||
|
maxLen = currLen;
|
||
|
}
|
||
|
|
||
|
return {
|
||
|
idx: maxIdx,
|
||
|
len: maxLen
|
||
|
};
|
||
|
}
|
||
|
|
||
|
function serializeHost(host) {
|
||
|
if (typeof host === "number") {
|
||
|
return serializeIPv4(host);
|
||
|
}
|
||
|
|
||
|
// IPv6 serializer
|
||
|
if (host instanceof Array) {
|
||
|
return "[" + serializeIPv6(host) + "]";
|
||
|
}
|
||
|
|
||
|
return host;
|
||
|
}
|
||
|
|
||
|
function trimControlChars(url) {
|
||
|
return url.replace(/^[\u0000-\u001F\u0020]+|[\u0000-\u001F\u0020]+$/g, "");
|
||
|
}
|
||
|
|
||
|
function trimTabAndNewline(url) {
|
||
|
return url.replace(/\u0009|\u000A|\u000D/g, "");
|
||
|
}
|
||
|
|
||
|
function shortenPath(url) {
|
||
|
const path = url.path;
|
||
|
if (path.length === 0) {
|
||
|
return;
|
||
|
}
|
||
|
if (url.scheme === "file" && path.length === 1 && isNormalizedWindowsDriveLetter(path[0])) {
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
path.pop();
|
||
|
}
|
||
|
|
||
|
function includesCredentials(url) {
|
||
|
return url.username !== "" || url.password !== "";
|
||
|
}
|
||
|
|
||
|
function cannotHaveAUsernamePasswordPort(url) {
|
||
|
return url.host === null || url.host === "" || url.cannotBeABaseURL || url.scheme === "file";
|
||
|
}
|
||
|
|
||
|
function isNormalizedWindowsDriveLetter(string) {
|
||
|
return /^[A-Za-z]:$/.test(string);
|
||
|
}
|
||
|
|
||
|
function URLStateMachine(input, base, encodingOverride, url, stateOverride) {
|
||
|
this.pointer = 0;
|
||
|
this.input = input;
|
||
|
this.base = base || null;
|
||
|
this.encodingOverride = encodingOverride || "utf-8";
|
||
|
this.stateOverride = stateOverride;
|
||
|
this.url = url;
|
||
|
this.failure = false;
|
||
|
this.parseError = false;
|
||
|
|
||
|
if (!this.url) {
|
||
|
this.url = {
|
||
|
scheme: "",
|
||
|
username: "",
|
||
|
password: "",
|
||
|
host: null,
|
||
|
port: null,
|
||
|
path: [],
|
||
|
query: null,
|
||
|
fragment: null,
|
||
|
|
||
|
cannotBeABaseURL: false
|
||
|
};
|
||
|
|
||
|
const res = trimControlChars(this.input);
|
||
|
if (res !== this.input) {
|
||
|
this.parseError = true;
|
||
|
}
|
||
|
this.input = res;
|
||
|
}
|
||
|
|
||
|
const res = trimTabAndNewline(this.input);
|
||
|
if (res !== this.input) {
|
||
|
this.parseError = true;
|
||
|
}
|
||
|
this.input = res;
|
||
|
|
||
|
this.state = stateOverride || "scheme start";
|
||
|
|
||
|
this.buffer = "";
|
||
|
this.atFlag = false;
|
||
|
this.arrFlag = false;
|
||
|
this.passwordTokenSeenFlag = false;
|
||
|
|
||
|
this.input = punycode.ucs2.decode(this.input);
|
||
|
|
||
|
for (; this.pointer <= this.input.length; ++this.pointer) {
|
||
|
const c = this.input[this.pointer];
|
||
|
const cStr = isNaN(c) ? undefined : String.fromCodePoint(c);
|
||
|
|
||
|
// exec state machine
|
||
|
const ret = this["parse " + this.state](c, cStr);
|
||
|
if (!ret) {
|
||
|
break; // terminate algorithm
|
||
|
} else if (ret === failure) {
|
||
|
this.failure = true;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
URLStateMachine.prototype["parse scheme start"] = function parseSchemeStart(c, cStr) {
|
||
|
if (isASCIIAlpha(c)) {
|
||
|
this.buffer += cStr.toLowerCase();
|
||
|
this.state = "scheme";
|
||
|
} else if (!this.stateOverride) {
|
||
|
this.state = "no scheme";
|
||
|
--this.pointer;
|
||
|
} else {
|
||
|
this.parseError = true;
|
||
|
return failure;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse scheme"] = function parseScheme(c, cStr) {
|
||
|
if (isASCIIAlphanumeric(c) || c === 43 || c === 45 || c === 46) {
|
||
|
this.buffer += cStr.toLowerCase();
|
||
|
} else if (c === 58) {
|
||
|
if (this.stateOverride) {
|
||
|
if (isSpecial(this.url) && !isSpecialScheme(this.buffer)) {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
if (!isSpecial(this.url) && isSpecialScheme(this.buffer)) {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
if ((includesCredentials(this.url) || this.url.port !== null) && this.buffer === "file") {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
if (this.url.scheme === "file" && (this.url.host === "" || this.url.host === null)) {
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
this.url.scheme = this.buffer;
|
||
|
this.buffer = "";
|
||
|
if (this.stateOverride) {
|
||
|
return false;
|
||
|
}
|
||
|
if (this.url.scheme === "file") {
|
||
|
if (this.input[this.pointer + 1] !== 47 || this.input[this.pointer + 2] !== 47) {
|
||
|
this.parseError = true;
|
||
|
}
|
||
|
this.state = "file";
|
||
|
} else if (isSpecial(this.url) && this.base !== null && this.base.scheme === this.url.scheme) {
|
||
|
this.state = "special relative or authority";
|
||
|
} else if (isSpecial(this.url)) {
|
||
|
this.state = "special authority slashes";
|
||
|
} else if (this.input[this.pointer + 1] === 47) {
|
||
|
this.state = "path or authority";
|
||
|
++this.pointer;
|
||
|
} else {
|
||
|
this.url.cannotBeABaseURL = true;
|
||
|
this.url.path.push("");
|
||
|
this.state = "cannot-be-a-base-URL path";
|
||
|
}
|
||
|
} else if (!this.stateOverride) {
|
||
|
this.buffer = "";
|
||
|
this.state = "no scheme";
|
||
|
this.pointer = -1;
|
||
|
} else {
|
||
|
this.parseError = true;
|
||
|
return failure;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse no scheme"] = function parseNoScheme(c) {
|
||
|
if (this.base === null || (this.base.cannotBeABaseURL && c !== 35)) {
|
||
|
return failure;
|
||
|
} else if (this.base.cannotBeABaseURL && c === 35) {
|
||
|
this.url.scheme = this.base.scheme;
|
||
|
this.url.path = this.base.path.slice();
|
||
|
this.url.query = this.base.query;
|
||
|
this.url.fragment = "";
|
||
|
this.url.cannotBeABaseURL = true;
|
||
|
this.state = "fragment";
|
||
|
} else if (this.base.scheme === "file") {
|
||
|
this.state = "file";
|
||
|
--this.pointer;
|
||
|
} else {
|
||
|
this.state = "relative";
|
||
|
--this.pointer;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse special relative or authority"] = function parseSpecialRelativeOrAuthority(c) {
|
||
|
if (c === 47 && this.input[this.pointer + 1] === 47) {
|
||
|
this.state = "special authority ignore slashes";
|
||
|
++this.pointer;
|
||
|
} else {
|
||
|
this.parseError = true;
|
||
|
this.state = "relative";
|
||
|
--this.pointer;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse path or authority"] = function parsePathOrAuthority(c) {
|
||
|
if (c === 47) {
|
||
|
this.state = "authority";
|
||
|
} else {
|
||
|
this.state = "path";
|
||
|
--this.pointer;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse relative"] = function parseRelative(c) {
|
||
|
this.url.scheme = this.base.scheme;
|
||
|
if (isNaN(c)) {
|
||
|
this.url.username = this.base.username;
|
||
|
this.url.password = this.base.password;
|
||
|
this.url.host = this.base.host;
|
||
|
this.url.port = this.base.port;
|
||
|
this.url.path = this.base.path.slice();
|
||
|
this.url.query = this.base.query;
|
||
|
} else if (c === 47) {
|
||
|
this.state = "relative slash";
|
||
|
} else if (c === 63) {
|
||
|
this.url.username = this.base.username;
|
||
|
this.url.password = this.base.password;
|
||
|
this.url.host = this.base.host;
|
||
|
this.url.port = this.base.port;
|
||
|
this.url.path = this.base.path.slice();
|
||
|
this.url.query = "";
|
||
|
this.state = "query";
|
||
|
} else if (c === 35) {
|
||
|
this.url.username = this.base.username;
|
||
|
this.url.password = this.base.password;
|
||
|
this.url.host = this.base.host;
|
||
|
this.url.port = this.base.port;
|
||
|
this.url.path = this.base.path.slice();
|
||
|
this.url.query = this.base.query;
|
||
|
this.url.fragment = "";
|
||
|
this.state = "fragment";
|
||
|
} else if (isSpecial(this.url) && c === 92) {
|
||
|
this.parseError = true;
|
||
|
this.state = "relative slash";
|
||
|
} else {
|
||
|
this.url.username = this.base.username;
|
||
|
this.url.password = this.base.password;
|
||
|
this.url.host = this.base.host;
|
||
|
this.url.port = this.base.port;
|
||
|
this.url.path = this.base.path.slice(0, this.base.path.length - 1);
|
||
|
|
||
|
this.state = "path";
|
||
|
--this.pointer;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse relative slash"] = function parseRelativeSlash(c) {
|
||
|
if (isSpecial(this.url) && (c === 47 || c === 92)) {
|
||
|
if (c === 92) {
|
||
|
this.parseError = true;
|
||
|
}
|
||
|
this.state = "special authority ignore slashes";
|
||
|
} else if (c === 47) {
|
||
|
this.state = "authority";
|
||
|
} else {
|
||
|
this.url.username = this.base.username;
|
||
|
this.url.password = this.base.password;
|
||
|
this.url.host = this.base.host;
|
||
|
this.url.port = this.base.port;
|
||
|
this.state = "path";
|
||
|
--this.pointer;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse special authority slashes"] = function parseSpecialAuthoritySlashes(c) {
|
||
|
if (c === 47 && this.input[this.pointer + 1] === 47) {
|
||
|
this.state = "special authority ignore slashes";
|
||
|
++this.pointer;
|
||
|
} else {
|
||
|
this.parseError = true;
|
||
|
this.state = "special authority ignore slashes";
|
||
|
--this.pointer;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse special authority ignore slashes"] = function parseSpecialAuthorityIgnoreSlashes(c) {
|
||
|
if (c !== 47 && c !== 92) {
|
||
|
this.state = "authority";
|
||
|
--this.pointer;
|
||
|
} else {
|
||
|
this.parseError = true;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse authority"] = function parseAuthority(c, cStr) {
|
||
|
if (c === 64) {
|
||
|
this.parseError = true;
|
||
|
if (this.atFlag) {
|
||
|
this.buffer = "%40" + this.buffer;
|
||
|
}
|
||
|
this.atFlag = true;
|
||
|
|
||
|
// careful, this is based on buffer and has its own pointer (this.pointer != pointer) and inner chars
|
||
|
const len = countSymbols(this.buffer);
|
||
|
for (let pointer = 0; pointer < len; ++pointer) {
|
||
|
const codePoint = this.buffer.codePointAt(pointer);
|
||
|
|
||
|
if (codePoint === 58 && !this.passwordTokenSeenFlag) {
|
||
|
this.passwordTokenSeenFlag = true;
|
||
|
continue;
|
||
|
}
|
||
|
const encodedCodePoints = percentEncodeChar(codePoint, isUserinfoPercentEncode);
|
||
|
if (this.passwordTokenSeenFlag) {
|
||
|
this.url.password += encodedCodePoints;
|
||
|
} else {
|
||
|
this.url.username += encodedCodePoints;
|
||
|
}
|
||
|
}
|
||
|
this.buffer = "";
|
||
|
} else if (isNaN(c) || c === 47 || c === 63 || c === 35 ||
|
||
|
(isSpecial(this.url) && c === 92)) {
|
||
|
if (this.atFlag && this.buffer === "") {
|
||
|
this.parseError = true;
|
||
|
return failure;
|
||
|
}
|
||
|
this.pointer -= countSymbols(this.buffer) + 1;
|
||
|
this.buffer = "";
|
||
|
this.state = "host";
|
||
|
} else {
|
||
|
this.buffer += cStr;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse hostname"] =
|
||
|
URLStateMachine.prototype["parse host"] = function parseHostName(c, cStr) {
|
||
|
if (this.stateOverride && this.url.scheme === "file") {
|
||
|
--this.pointer;
|
||
|
this.state = "file host";
|
||
|
} else if (c === 58 && !this.arrFlag) {
|
||
|
if (this.buffer === "") {
|
||
|
this.parseError = true;
|
||
|
return failure;
|
||
|
}
|
||
|
|
||
|
const host = parseHost(this.buffer, isSpecial(this.url));
|
||
|
if (host === failure) {
|
||
|
return failure;
|
||
|
}
|
||
|
|
||
|
this.url.host = host;
|
||
|
this.buffer = "";
|
||
|
this.state = "port";
|
||
|
if (this.stateOverride === "hostname") {
|
||
|
return false;
|
||
|
}
|
||
|
} else if (isNaN(c) || c === 47 || c === 63 || c === 35 ||
|
||
|
(isSpecial(this.url) && c === 92)) {
|
||
|
--this.pointer;
|
||
|
if (isSpecial(this.url) && this.buffer === "") {
|
||
|
this.parseError = true;
|
||
|
return failure;
|
||
|
} else if (this.stateOverride && this.buffer === "" &&
|
||
|
(includesCredentials(this.url) || this.url.port !== null)) {
|
||
|
this.parseError = true;
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
const host = parseHost(this.buffer, isSpecial(this.url));
|
||
|
if (host === failure) {
|
||
|
return failure;
|
||
|
}
|
||
|
|
||
|
this.url.host = host;
|
||
|
this.buffer = "";
|
||
|
this.state = "path start";
|
||
|
if (this.stateOverride) {
|
||
|
return false;
|
||
|
}
|
||
|
} else {
|
||
|
if (c === 91) {
|
||
|
this.arrFlag = true;
|
||
|
} else if (c === 93) {
|
||
|
this.arrFlag = false;
|
||
|
}
|
||
|
this.buffer += cStr;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse port"] = function parsePort(c, cStr) {
|
||
|
if (isASCIIDigit(c)) {
|
||
|
this.buffer += cStr;
|
||
|
} else if (isNaN(c) || c === 47 || c === 63 || c === 35 ||
|
||
|
(isSpecial(this.url) && c === 92) ||
|
||
|
this.stateOverride) {
|
||
|
if (this.buffer !== "") {
|
||
|
const port = parseInt(this.buffer);
|
||
|
if (port > Math.pow(2, 16) - 1) {
|
||
|
this.parseError = true;
|
||
|
return failure;
|
||
|
}
|
||
|
this.url.port = port === defaultPort(this.url.scheme) ? null : port;
|
||
|
this.buffer = "";
|
||
|
}
|
||
|
if (this.stateOverride) {
|
||
|
return false;
|
||
|
}
|
||
|
this.state = "path start";
|
||
|
--this.pointer;
|
||
|
} else {
|
||
|
this.parseError = true;
|
||
|
return failure;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
const fileOtherwiseCodePoints = new Set([47, 92, 63, 35]);
|
||
|
|
||
|
URLStateMachine.prototype["parse file"] = function parseFile(c) {
|
||
|
this.url.scheme = "file";
|
||
|
|
||
|
if (c === 47 || c === 92) {
|
||
|
if (c === 92) {
|
||
|
this.parseError = true;
|
||
|
}
|
||
|
this.state = "file slash";
|
||
|
} else if (this.base !== null && this.base.scheme === "file") {
|
||
|
if (isNaN(c)) {
|
||
|
this.url.host = this.base.host;
|
||
|
this.url.path = this.base.path.slice();
|
||
|
this.url.query = this.base.query;
|
||
|
} else if (c === 63) {
|
||
|
this.url.host = this.base.host;
|
||
|
this.url.path = this.base.path.slice();
|
||
|
this.url.query = "";
|
||
|
this.state = "query";
|
||
|
} else if (c === 35) {
|
||
|
this.url.host = this.base.host;
|
||
|
this.url.path = this.base.path.slice();
|
||
|
this.url.query = this.base.query;
|
||
|
this.url.fragment = "";
|
||
|
this.state = "fragment";
|
||
|
} else {
|
||
|
if (this.input.length - this.pointer - 1 === 0 || // remaining consists of 0 code points
|
||
|
!isWindowsDriveLetterCodePoints(c, this.input[this.pointer + 1]) ||
|
||
|
(this.input.length - this.pointer - 1 >= 2 && // remaining has at least 2 code points
|
||
|
!fileOtherwiseCodePoints.has(this.input[this.pointer + 2]))) {
|
||
|
this.url.host = this.base.host;
|
||
|
this.url.path = this.base.path.slice();
|
||
|
shortenPath(this.url);
|
||
|
} else {
|
||
|
this.parseError = true;
|
||
|
}
|
||
|
|
||
|
this.state = "path";
|
||
|
--this.pointer;
|
||
|
}
|
||
|
} else {
|
||
|
this.state = "path";
|
||
|
--this.pointer;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse file slash"] = function parseFileSlash(c) {
|
||
|
if (c === 47 || c === 92) {
|
||
|
if (c === 92) {
|
||
|
this.parseError = true;
|
||
|
}
|
||
|
this.state = "file host";
|
||
|
} else {
|
||
|
if (this.base !== null && this.base.scheme === "file") {
|
||
|
if (isNormalizedWindowsDriveLetterString(this.base.path[0])) {
|
||
|
this.url.path.push(this.base.path[0]);
|
||
|
} else {
|
||
|
this.url.host = this.base.host;
|
||
|
}
|
||
|
}
|
||
|
this.state = "path";
|
||
|
--this.pointer;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse file host"] = function parseFileHost(c, cStr) {
|
||
|
if (isNaN(c) || c === 47 || c === 92 || c === 63 || c === 35) {
|
||
|
--this.pointer;
|
||
|
if (!this.stateOverride && isWindowsDriveLetterString(this.buffer)) {
|
||
|
this.parseError = true;
|
||
|
this.state = "path";
|
||
|
} else if (this.buffer === "") {
|
||
|
this.url.host = "";
|
||
|
if (this.stateOverride) {
|
||
|
return false;
|
||
|
}
|
||
|
this.state = "path start";
|
||
|
} else {
|
||
|
let host = parseHost(this.buffer, isSpecial(this.url));
|
||
|
if (host === failure) {
|
||
|
return failure;
|
||
|
}
|
||
|
if (host === "localhost") {
|
||
|
host = "";
|
||
|
}
|
||
|
this.url.host = host;
|
||
|
|
||
|
if (this.stateOverride) {
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
this.buffer = "";
|
||
|
this.state = "path start";
|
||
|
}
|
||
|
} else {
|
||
|
this.buffer += cStr;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse path start"] = function parsePathStart(c) {
|
||
|
if (isSpecial(this.url)) {
|
||
|
if (c === 92) {
|
||
|
this.parseError = true;
|
||
|
}
|
||
|
this.state = "path";
|
||
|
|
||
|
if (c !== 47 && c !== 92) {
|
||
|
--this.pointer;
|
||
|
}
|
||
|
} else if (!this.stateOverride && c === 63) {
|
||
|
this.url.query = "";
|
||
|
this.state = "query";
|
||
|
} else if (!this.stateOverride && c === 35) {
|
||
|
this.url.fragment = "";
|
||
|
this.state = "fragment";
|
||
|
} else if (c !== undefined) {
|
||
|
this.state = "path";
|
||
|
if (c !== 47) {
|
||
|
--this.pointer;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse path"] = function parsePath(c) {
|
||
|
if (isNaN(c) || c === 47 || (isSpecial(this.url) && c === 92) ||
|
||
|
(!this.stateOverride && (c === 63 || c === 35))) {
|
||
|
if (isSpecial(this.url) && c === 92) {
|
||
|
this.parseError = true;
|
||
|
}
|
||
|
|
||
|
if (isDoubleDot(this.buffer)) {
|
||
|
shortenPath(this.url);
|
||
|
if (c !== 47 && !(isSpecial(this.url) && c === 92)) {
|
||
|
this.url.path.push("");
|
||
|
}
|
||
|
} else if (isSingleDot(this.buffer) && c !== 47 &&
|
||
|
!(isSpecial(this.url) && c === 92)) {
|
||
|
this.url.path.push("");
|
||
|
} else if (!isSingleDot(this.buffer)) {
|
||
|
if (this.url.scheme === "file" && this.url.path.length === 0 && isWindowsDriveLetterString(this.buffer)) {
|
||
|
if (this.url.host !== "" && this.url.host !== null) {
|
||
|
this.parseError = true;
|
||
|
this.url.host = "";
|
||
|
}
|
||
|
this.buffer = this.buffer[0] + ":";
|
||
|
}
|
||
|
this.url.path.push(this.buffer);
|
||
|
}
|
||
|
this.buffer = "";
|
||
|
if (this.url.scheme === "file" && (c === undefined || c === 63 || c === 35)) {
|
||
|
while (this.url.path.length > 1 && this.url.path[0] === "") {
|
||
|
this.parseError = true;
|
||
|
this.url.path.shift();
|
||
|
}
|
||
|
}
|
||
|
if (c === 63) {
|
||
|
this.url.query = "";
|
||
|
this.state = "query";
|
||
|
}
|
||
|
if (c === 35) {
|
||
|
this.url.fragment = "";
|
||
|
this.state = "fragment";
|
||
|
}
|
||
|
} else {
|
||
|
// TODO: If c is not a URL code point and not "%", parse error.
|
||
|
|
||
|
if (c === 37 &&
|
||
|
(!isASCIIHex(this.input[this.pointer + 1]) ||
|
||
|
!isASCIIHex(this.input[this.pointer + 2]))) {
|
||
|
this.parseError = true;
|
||
|
}
|
||
|
|
||
|
this.buffer += percentEncodeChar(c, isPathPercentEncode);
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse cannot-be-a-base-URL path"] = function parseCannotBeABaseURLPath(c) {
|
||
|
if (c === 63) {
|
||
|
this.url.query = "";
|
||
|
this.state = "query";
|
||
|
} else if (c === 35) {
|
||
|
this.url.fragment = "";
|
||
|
this.state = "fragment";
|
||
|
} else {
|
||
|
// TODO: Add: not a URL code point
|
||
|
if (!isNaN(c) && c !== 37) {
|
||
|
this.parseError = true;
|
||
|
}
|
||
|
|
||
|
if (c === 37 &&
|
||
|
(!isASCIIHex(this.input[this.pointer + 1]) ||
|
||
|
!isASCIIHex(this.input[this.pointer + 2]))) {
|
||
|
this.parseError = true;
|
||
|
}
|
||
|
|
||
|
if (!isNaN(c)) {
|
||
|
this.url.path[0] = this.url.path[0] + percentEncodeChar(c, isC0ControlPercentEncode);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse query"] = function parseQuery(c, cStr) {
|
||
|
if (isNaN(c) || (!this.stateOverride && c === 35)) {
|
||
|
if (!isSpecial(this.url) || this.url.scheme === "ws" || this.url.scheme === "wss") {
|
||
|
this.encodingOverride = "utf-8";
|
||
|
}
|
||
|
|
||
|
const buffer = new Buffer(this.buffer); // TODO: Use encoding override instead
|
||
|
for (let i = 0; i < buffer.length; ++i) {
|
||
|
if (buffer[i] < 0x21 || buffer[i] > 0x7E || buffer[i] === 0x22 || buffer[i] === 0x23 ||
|
||
|
buffer[i] === 0x3C || buffer[i] === 0x3E) {
|
||
|
this.url.query += percentEncode(buffer[i]);
|
||
|
} else {
|
||
|
this.url.query += String.fromCodePoint(buffer[i]);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
this.buffer = "";
|
||
|
if (c === 35) {
|
||
|
this.url.fragment = "";
|
||
|
this.state = "fragment";
|
||
|
}
|
||
|
} else {
|
||
|
// TODO: If c is not a URL code point and not "%", parse error.
|
||
|
if (c === 37 &&
|
||
|
(!isASCIIHex(this.input[this.pointer + 1]) ||
|
||
|
!isASCIIHex(this.input[this.pointer + 2]))) {
|
||
|
this.parseError = true;
|
||
|
}
|
||
|
|
||
|
this.buffer += cStr;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
URLStateMachine.prototype["parse fragment"] = function parseFragment(c) {
|
||
|
if (isNaN(c)) { // do nothing
|
||
|
} else if (c === 0x0) {
|
||
|
this.parseError = true;
|
||
|
} else {
|
||
|
// TODO: If c is not a URL code point and not "%", parse error.
|
||
|
if (c === 37 &&
|
||
|
(!isASCIIHex(this.input[this.pointer + 1]) ||
|
||
|
!isASCIIHex(this.input[this.pointer + 2]))) {
|
||
|
this.parseError = true;
|
||
|
}
|
||
|
|
||
|
this.url.fragment += percentEncodeChar(c, isC0ControlPercentEncode);
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
};
|
||
|
|
||
|
function serializeURL(url, excludeFragment) {
|
||
|
let output = url.scheme + ":";
|
||
|
if (url.host !== null) {
|
||
|
output += "//";
|
||
|
|
||
|
if (url.username !== "" || url.password !== "") {
|
||
|
output += url.username;
|
||
|
if (url.password !== "") {
|
||
|
output += ":" + url.password;
|
||
|
}
|
||
|
output += "@";
|
||
|
}
|
||
|
|
||
|
output += serializeHost(url.host);
|
||
|
|
||
|
if (url.port !== null) {
|
||
|
output += ":" + url.port;
|
||
|
}
|
||
|
} else if (url.host === null && url.scheme === "file") {
|
||
|
output += "//";
|
||
|
}
|
||
|
|
||
|
if (url.cannotBeABaseURL) {
|
||
|
output += url.path[0];
|
||
|
} else {
|
||
|
for (const string of url.path) {
|
||
|
output += "/" + string;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (url.query !== null) {
|
||
|
output += "?" + url.query;
|
||
|
}
|
||
|
|
||
|
if (!excludeFragment && url.fragment !== null) {
|
||
|
output += "#" + url.fragment;
|
||
|
}
|
||
|
|
||
|
return output;
|
||
|
}
|
||
|
|
||
|
function serializeOrigin(tuple) {
|
||
|
let result = tuple.scheme + "://";
|
||
|
result += serializeHost(tuple.host);
|
||
|
|
||
|
if (tuple.port !== null) {
|
||
|
result += ":" + tuple.port;
|
||
|
}
|
||
|
|
||
|
return result;
|
||
|
}
|
||
|
|
||
|
module.exports.serializeURL = serializeURL;
|
||
|
|
||
|
module.exports.serializeURLOrigin = function (url) {
|
||
|
// https://url.spec.whatwg.org/#concept-url-origin
|
||
|
switch (url.scheme) {
|
||
|
case "blob":
|
||
|
try {
|
||
|
return module.exports.serializeURLOrigin(module.exports.parseURL(url.path[0]));
|
||
|
} catch (e) {
|
||
|
// serializing an opaque origin returns "null"
|
||
|
return "null";
|
||
|
}
|
||
|
case "ftp":
|
||
|
case "gopher":
|
||
|
case "http":
|
||
|
case "https":
|
||
|
case "ws":
|
||
|
case "wss":
|
||
|
return serializeOrigin({
|
||
|
scheme: url.scheme,
|
||
|
host: url.host,
|
||
|
port: url.port
|
||
|
});
|
||
|
case "file":
|
||
|
// spec says "exercise to the reader", chrome says "file://"
|
||
|
return "file://";
|
||
|
default:
|
||
|
// serializing an opaque origin returns "null"
|
||
|
return "null";
|
||
|
}
|
||
|
};
|
||
|
|
||
|
module.exports.basicURLParse = function (input, options) {
|
||
|
if (options === undefined) {
|
||
|
options = {};
|
||
|
}
|
||
|
|
||
|
const usm = new URLStateMachine(input, options.baseURL, options.encodingOverride, options.url, options.stateOverride);
|
||
|
if (usm.failure) {
|
||
|
return "failure";
|
||
|
}
|
||
|
|
||
|
return usm.url;
|
||
|
};
|
||
|
|
||
|
module.exports.setTheUsername = function (url, username) {
|
||
|
url.username = "";
|
||
|
const decoded = punycode.ucs2.decode(username);
|
||
|
for (let i = 0; i < decoded.length; ++i) {
|
||
|
url.username += percentEncodeChar(decoded[i], isUserinfoPercentEncode);
|
||
|
}
|
||
|
};
|
||
|
|
||
|
module.exports.setThePassword = function (url, password) {
|
||
|
url.password = "";
|
||
|
const decoded = punycode.ucs2.decode(password);
|
||
|
for (let i = 0; i < decoded.length; ++i) {
|
||
|
url.password += percentEncodeChar(decoded[i], isUserinfoPercentEncode);
|
||
|
}
|
||
|
};
|
||
|
|
||
|
module.exports.serializeHost = serializeHost;
|
||
|
|
||
|
module.exports.cannotHaveAUsernamePasswordPort = cannotHaveAUsernamePasswordPort;
|
||
|
|
||
|
module.exports.serializeInteger = function (integer) {
|
||
|
return String(integer);
|
||
|
};
|
||
|
|
||
|
module.exports.parseURL = function (input, options) {
|
||
|
if (options === undefined) {
|
||
|
options = {};
|
||
|
}
|
||
|
|
||
|
// We don't handle blobs, so this just delegates:
|
||
|
return module.exports.basicURLParse(input, { baseURL: options.baseURL, encodingOverride: options.encodingOverride });
|
||
|
};
|