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-rw-r--r--alarm/node_modules/whatwg-url/dist/url-state-machine.js1210
1 files changed, 1210 insertions, 0 deletions
diff --git a/alarm/node_modules/whatwg-url/dist/url-state-machine.js b/alarm/node_modules/whatwg-url/dist/url-state-machine.js
new file mode 100644
index 0000000..3640024
--- /dev/null
+++ b/alarm/node_modules/whatwg-url/dist/url-state-machine.js
@@ -0,0 +1,1210 @@
+"use strict";
+const punycode = require("punycode");
+const tr46 = require("tr46");
+
+const infra = require("./infra");
+const { utf8DecodeWithoutBOM } = require("./encoding");
+const { percentDecodeString, utf8PercentEncodeCodePoint, utf8PercentEncodeString, isC0ControlPercentEncode,
+ isFragmentPercentEncode, isQueryPercentEncode, isSpecialQueryPercentEncode, isPathPercentEncode,
+ isUserinfoPercentEncode } = require("./percent-encoding");
+
+const specialSchemes = {
+ ftp: 21,
+ file: null,
+ http: 80,
+ https: 443,
+ ws: 80,
+ wss: 443
+};
+
+const failure = Symbol("failure");
+
+function countSymbols(str) {
+ return [...str].length;
+}
+
+function at(input, idx) {
+ const c = input[idx];
+ return isNaN(c) ? undefined : String.fromCodePoint(c);
+}
+
+function isSingleDot(buffer) {
+ return buffer === "." || buffer.toLowerCase() === "%2e";
+}
+
+function isDoubleDot(buffer) {
+ buffer = buffer.toLowerCase();
+ return buffer === ".." || buffer === "%2e." || buffer === ".%2e" || buffer === "%2e%2e";
+}
+
+function isWindowsDriveLetterCodePoints(cp1, cp2) {
+ return infra.isASCIIAlpha(cp1) && (cp2 === 58 || cp2 === 124);
+}
+
+function isWindowsDriveLetterString(string) {
+ return string.length === 2 && infra.isASCIIAlpha(string.codePointAt(0)) && (string[1] === ":" || string[1] === "|");
+}
+
+function isNormalizedWindowsDriveLetterString(string) {
+ return string.length === 2 && infra.isASCIIAlpha(string.codePointAt(0)) && string[1] === ":";
+}
+
+function containsForbiddenHostCodePoint(string) {
+ return string.search(/\u0000|\u0009|\u000A|\u000D|\u0020|#|%|\/|:|<|>|\?|@|\[|\\|\]|\^|\|/u) !== -1;
+}
+
+function containsForbiddenHostCodePointExcludingPercent(string) {
+ return string.search(/\u0000|\u0009|\u000A|\u000D|\u0020|#|\/|:|<|>|\?|@|\[|\\|\]|\^|\|/u) !== -1;
+}
+
+function isSpecialScheme(scheme) {
+ return specialSchemes[scheme] !== undefined;
+}
+
+function isSpecial(url) {
+ return isSpecialScheme(url.scheme);
+}
+
+function isNotSpecial(url) {
+ return !isSpecialScheme(url.scheme);
+}
+
+function defaultPort(scheme) {
+ return specialSchemes[scheme];
+}
+
+function parseIPv4Number(input) {
+ let R = 10;
+
+ if (input.length >= 2 && input.charAt(0) === "0" && input.charAt(1).toLowerCase() === "x") {
+ input = input.substring(2);
+ R = 16;
+ } else if (input.length >= 2 && input.charAt(0) === "0") {
+ input = input.substring(1);
+ R = 8;
+ }
+
+ if (input === "") {
+ return 0;
+ }
+
+ let regex = /[^0-7]/u;
+ if (R === 10) {
+ regex = /[^0-9]/u;
+ }
+ if (R === 16) {
+ regex = /[^0-9A-Fa-f]/u;
+ }
+
+ if (regex.test(input)) {
+ return failure;
+ }
+
+ return parseInt(input, R);
+}
+
+function parseIPv4(input) {
+ const parts = input.split(".");
+ if (parts[parts.length - 1] === "") {
+ if (parts.length > 1) {
+ parts.pop();
+ }
+ }
+
+ if (parts.length > 4) {
+ return input;
+ }
+
+ const numbers = [];
+ for (const part of parts) {
+ if (part === "") {
+ return input;
+ }
+ const n = parseIPv4Number(part);
+ if (n === failure) {
+ return input;
+ }
+
+ numbers.push(n);
+ }
+
+ for (let i = 0; i < numbers.length - 1; ++i) {
+ if (numbers[i] > 255) {
+ return failure;
+ }
+ }
+ if (numbers[numbers.length - 1] >= 256 ** (5 - numbers.length)) {
+ return failure;
+ }
+
+ let ipv4 = numbers.pop();
+ let counter = 0;
+
+ for (const n of numbers) {
+ ipv4 += n * 256 ** (3 - counter);
+ ++counter;
+ }
+
+ return ipv4;
+}
+
+function serializeIPv4(address) {
+ let output = "";
+ let n = address;
+
+ for (let i = 1; i <= 4; ++i) {
+ output = String(n % 256) + output;
+ if (i !== 4) {
+ output = `.${output}`;
+ }
+ n = Math.floor(n / 256);
+ }
+
+ return output;
+}
+
+function parseIPv6(input) {
+ const address = [0, 0, 0, 0, 0, 0, 0, 0];
+ let pieceIndex = 0;
+ let compress = null;
+ let pointer = 0;
+
+ input = punycode.ucs2.decode(input);
+
+ if (input[pointer] === 58) {
+ if (input[pointer + 1] !== 58) {
+ return failure;
+ }
+
+ pointer += 2;
+ ++pieceIndex;
+ compress = pieceIndex;
+ }
+
+ while (pointer < input.length) {
+ if (pieceIndex === 8) {
+ return failure;
+ }
+
+ if (input[pointer] === 58) {
+ if (compress !== null) {
+ return failure;
+ }
+ ++pointer;
+ ++pieceIndex;
+ compress = pieceIndex;
+ continue;
+ }
+
+ let value = 0;
+ let length = 0;
+
+ while (length < 4 && infra.isASCIIHex(input[pointer])) {
+ value = value * 0x10 + parseInt(at(input, pointer), 16);
+ ++pointer;
+ ++length;
+ }
+
+ if (input[pointer] === 46) {
+ if (length === 0) {
+ return failure;
+ }
+
+ pointer -= length;
+
+ if (pieceIndex > 6) {
+ return failure;
+ }
+
+ let numbersSeen = 0;
+
+ while (input[pointer] !== undefined) {
+ let ipv4Piece = null;
+
+ if (numbersSeen > 0) {
+ if (input[pointer] === 46 && numbersSeen < 4) {
+ ++pointer;
+ } else {
+ return failure;
+ }
+ }
+
+ if (!infra.isASCIIDigit(input[pointer])) {
+ return failure;
+ }
+
+ while (infra.isASCIIDigit(input[pointer])) {
+ const number = parseInt(at(input, pointer));
+ if (ipv4Piece === null) {
+ ipv4Piece = number;
+ } else if (ipv4Piece === 0) {
+ return failure;
+ } else {
+ ipv4Piece = ipv4Piece * 10 + number;
+ }
+ if (ipv4Piece > 255) {
+ return failure;
+ }
+ ++pointer;
+ }
+
+ address[pieceIndex] = address[pieceIndex] * 0x100 + ipv4Piece;
+
+ ++numbersSeen;
+
+ if (numbersSeen === 2 || numbersSeen === 4) {
+ ++pieceIndex;
+ }
+ }
+
+ if (numbersSeen !== 4) {
+ return failure;
+ }
+
+ break;
+ } else if (input[pointer] === 58) {
+ ++pointer;
+ if (input[pointer] === undefined) {
+ return failure;
+ }
+ } else if (input[pointer] !== undefined) {
+ return failure;
+ }
+
+ address[pieceIndex] = value;
+ ++pieceIndex;
+ }
+
+ if (compress !== null) {
+ let swaps = pieceIndex - compress;
+ pieceIndex = 7;
+ while (pieceIndex !== 0 && swaps > 0) {
+ const temp = address[compress + swaps - 1];
+ address[compress + swaps - 1] = address[pieceIndex];
+ address[pieceIndex] = temp;
+ --pieceIndex;
+ --swaps;
+ }
+ } else if (compress === null && pieceIndex !== 8) {
+ return failure;
+ }
+
+ return address;
+}
+
+function serializeIPv6(address) {
+ let output = "";
+ const compress = findLongestZeroSequence(address);
+ let ignore0 = false;
+
+ for (let pieceIndex = 0; pieceIndex <= 7; ++pieceIndex) {
+ if (ignore0 && address[pieceIndex] === 0) {
+ continue;
+ } else if (ignore0) {
+ ignore0 = false;
+ }
+
+ if (compress === pieceIndex) {
+ const separator = pieceIndex === 0 ? "::" : ":";
+ output += separator;
+ ignore0 = true;
+ continue;
+ }
+
+ output += address[pieceIndex].toString(16);
+
+ if (pieceIndex !== 7) {
+ output += ":";
+ }
+ }
+
+ return output;
+}
+
+function parseHost(input, isNotSpecialArg = false) {
+ if (input[0] === "[") {
+ if (input[input.length - 1] !== "]") {
+ return failure;
+ }
+
+ return parseIPv6(input.substring(1, input.length - 1));
+ }
+
+ if (isNotSpecialArg) {
+ return parseOpaqueHost(input);
+ }
+
+ const domain = utf8DecodeWithoutBOM(percentDecodeString(input));
+ const asciiDomain = domainToASCII(domain);
+ if (asciiDomain === failure) {
+ 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;
+ }
+
+ return utf8PercentEncodeString(input, isC0ControlPercentEncode);
+}
+
+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) {
+ return currStart;
+ }
+
+ return maxIdx;
+}
+
+function serializeHost(host) {
+ if (typeof host === "number") {
+ return serializeIPv4(host);
+ }
+
+ // IPv6 serializer
+ if (host instanceof Array) {
+ return `[${serializeIPv6(host)}]`;
+ }
+
+ return host;
+}
+
+function domainToASCII(domain, beStrict = false) {
+ const result = tr46.toASCII(domain, {
+ checkBidi: true,
+ checkHyphens: false,
+ checkJoiners: true,
+ useSTD3ASCIIRules: beStrict,
+ verifyDNSLength: beStrict
+ });
+ if (result === null || result === "") {
+ return failure;
+ }
+ return result;
+}
+
+function trimControlChars(url) {
+ return url.replace(/^[\u0000-\u001F\u0020]+|[\u0000-\u001F\u0020]+$/ug, "");
+}
+
+function trimTabAndNewline(url) {
+ return url.replace(/\u0009|\u000A|\u000D/ug, "");
+}
+
+function shortenPath(url) {
+ const { path } = url;
+ if (path.length === 0) {
+ return;
+ }
+ if (url.scheme === "file" && path.length === 1 && isNormalizedWindowsDriveLetter(path[0])) {
+ return;
+ }
+
+ path.pop();
+}
+
+function includesCredentials(url) {
+ return url.username !== "" || url.password !== "";
+}
+
+function cannotHaveAUsernamePasswordPort(url) {
+ return url.host === null || url.host === "" || url.cannotBeABaseURL || url.scheme === "file";
+}
+
+function isNormalizedWindowsDriveLetter(string) {
+ return /^[A-Za-z]:$/u.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 (infra.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 (infra.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 === "") {
+ return false;
+ }
+ }
+ this.url.scheme = this.buffer;
+ if (this.stateOverride) {
+ if (this.url.port === defaultPort(this.url.scheme)) {
+ this.url.port = null;
+ }
+ return false;
+ }
+ this.buffer = "";
+ 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 (c === 47) {
+ this.state = "relative slash";
+ } 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();
+ this.url.query = this.base.query;
+ if (c === 63) {
+ this.url.query = "";
+ this.state = "query";
+ } else if (c === 35) {
+ this.url.fragment = "";
+ this.state = "fragment";
+ } else if (!isNaN(c)) {
+ this.url.query = null;
+ this.url.path.pop();
+ 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 = utf8PercentEncodeCodePoint(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;
+ }
+
+ if (this.stateOverride === "hostname") {
+ return false;
+ }
+
+ const host = parseHost(this.buffer, isNotSpecial(this.url));
+ if (host === failure) {
+ return failure;
+ }
+
+ this.url.host = host;
+ this.buffer = "";
+ this.state = "port";
+ } 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, isNotSpecial(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 (infra.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 > 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]);
+
+function startsWithWindowsDriveLetter(input, pointer) {
+ const length = input.length - pointer;
+ return length >= 2 &&
+ isWindowsDriveLetterCodePoints(input[pointer], input[pointer + 1]) &&
+ (length === 2 || fileOtherwiseCodePoints.has(input[pointer + 2]));
+}
+
+URLStateMachine.prototype["parse file"] = function parseFile(c) {
+ this.url.scheme = "file";
+ this.url.host = "";
+
+ if (c === 47 || c === 92) {
+ if (c === 92) {
+ this.parseError = true;
+ }
+ this.state = "file slash";
+ } else if (this.base !== null && this.base.scheme === "file") {
+ this.url.host = this.base.host;
+ this.url.path = this.base.path.slice();
+ this.url.query = this.base.query;
+ if (c === 63) {
+ this.url.query = "";
+ this.state = "query";
+ } else if (c === 35) {
+ this.url.fragment = "";
+ this.state = "fragment";
+ } else if (!isNaN(c)) {
+ this.url.query = null;
+ if (!startsWithWindowsDriveLetter(this.input, this.pointer)) {
+ shortenPath(this.url);
+ } else {
+ this.parseError = true;
+ this.url.path = [];
+ }
+
+ 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 (!startsWithWindowsDriveLetter(this.input, this.pointer) &&
+ isNormalizedWindowsDriveLetterString(this.base.path[0])) {
+ this.url.path.push(this.base.path[0]);
+ }
+ 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, isNotSpecial(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;
+ }
+ } else if (this.stateOverride && this.url.host === null) {
+ this.url.path.push("");
+ }
+
+ 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)) {
+ this.buffer = `${this.buffer[0]}:`;
+ }
+ this.url.path.push(this.buffer);
+ }
+ this.buffer = "";
+ 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 &&
+ (!infra.isASCIIHex(this.input[this.pointer + 1]) ||
+ !infra.isASCIIHex(this.input[this.pointer + 2]))) {
+ this.parseError = true;
+ }
+
+ this.buffer += utf8PercentEncodeCodePoint(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 &&
+ (!infra.isASCIIHex(this.input[this.pointer + 1]) ||
+ !infra.isASCIIHex(this.input[this.pointer + 2]))) {
+ this.parseError = true;
+ }
+
+ if (!isNaN(c)) {
+ this.url.path[0] += utf8PercentEncodeCodePoint(c, isC0ControlPercentEncode);
+ }
+ }
+
+ return true;
+};
+
+URLStateMachine.prototype["parse query"] = function parseQuery(c, cStr) {
+ if (!isSpecial(this.url) || this.url.scheme === "ws" || this.url.scheme === "wss") {
+ this.encodingOverride = "utf-8";
+ }
+
+ if ((!this.stateOverride && c === 35) || isNaN(c)) {
+ const queryPercentEncodePredicate = isSpecial(this.url) ? isSpecialQueryPercentEncode : isQueryPercentEncode;
+ this.url.query += utf8PercentEncodeString(this.buffer, queryPercentEncodePredicate);
+
+ this.buffer = "";
+
+ if (c === 35) {
+ this.url.fragment = "";
+ this.state = "fragment";
+ }
+ } else if (!isNaN(c)) {
+ // TODO: If c is not a URL code point and not "%", parse error.
+
+ if (c === 37 &&
+ (!infra.isASCIIHex(this.input[this.pointer + 1]) ||
+ !infra.isASCIIHex(this.input[this.pointer + 2]))) {
+ this.parseError = true;
+ }
+
+ this.buffer += cStr;
+ }
+
+ return true;
+};
+
+URLStateMachine.prototype["parse fragment"] = function parseFragment(c) {
+ if (!isNaN(c)) {
+ // TODO: If c is not a URL code point and not "%", parse error.
+ if (c === 37 &&
+ (!infra.isASCIIHex(this.input[this.pointer + 1]) ||
+ !infra.isASCIIHex(this.input[this.pointer + 2]))) {
+ this.parseError = true;
+ }
+
+ this.url.fragment += utf8PercentEncodeCodePoint(c, isFragmentPercentEncode);
+ }
+
+ 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}`;
+ }
+ }
+
+ if (url.cannotBeABaseURL) {
+ output += url.path[0];
+ } else {
+ if (url.host === null && url.path.length > 1 && url.path[0] === "") {
+ output += "/.";
+ }
+ for (const segment of url.path) {
+ output += `/${segment}`;
+ }
+ }
+
+ if (url.query !== null) {
+ output += `?${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 "http":
+ case "https":
+ case "ws":
+ case "wss":
+ return serializeOrigin({
+ scheme: url.scheme,
+ host: url.host,
+ port: url.port
+ });
+ case "file":
+ // The spec says:
+ // > Unfortunate as it is, this is left as an exercise to the reader. When in doubt, return a new opaque origin.
+ // Browsers tested so far:
+ // - Chrome says "file://", but treats file: URLs as cross-origin for most (all?) purposes; see e.g.
+ // https://bugs.chromium.org/p/chromium/issues/detail?id=37586
+ // - Firefox says "null", but treats file: URLs as same-origin sometimes based on directory stuff; see
+ // https://developer.mozilla.org/en-US/docs/Archive/Misc_top_level/Same-origin_policy_for_file:_URIs
+ return "null";
+ 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 null;
+ }
+
+ return usm.url;
+};
+
+module.exports.setTheUsername = function (url, username) {
+ url.username = utf8PercentEncodeString(username, isUserinfoPercentEncode);
+};
+
+module.exports.setThePassword = function (url, password) {
+ url.password = utf8PercentEncodeString(password, 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 });
+};
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