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- /**
- * URI.js
- *
- * @fileoverview An RFC 3986 compliant, scheme extendable URI parsing/validating/resolving library for JavaScript.
- * @author <a href="mailto:gary.court@gmail.com">Gary Court</a>
- * @see http://github.com/garycourt/uri-js
- */
- /**
- * Copyright 2011 Gary Court. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification, are
- * permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this list of
- * conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice, this list
- * of conditions and the following disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY GARY COURT ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * The views and conclusions contained in the software and documentation are those of the
- * authors and should not be interpreted as representing official policies, either expressed
- * or implied, of Gary Court.
- */
- import URI_PROTOCOL from "./regexps-uri";
- import IRI_PROTOCOL from "./regexps-iri";
- import punycode from "punycode";
- import { toUpperCase, typeOf, assign } from "./util";
- export const SCHEMES = {};
- export function pctEncChar(chr) {
- const c = chr.charCodeAt(0);
- let e;
- if (c < 16)
- e = "%0" + c.toString(16).toUpperCase();
- else if (c < 128)
- e = "%" + c.toString(16).toUpperCase();
- else if (c < 2048)
- e = "%" + ((c >> 6) | 192).toString(16).toUpperCase() + "%" + ((c & 63) | 128).toString(16).toUpperCase();
- else
- e = "%" + ((c >> 12) | 224).toString(16).toUpperCase() + "%" + (((c >> 6) & 63) | 128).toString(16).toUpperCase() + "%" + ((c & 63) | 128).toString(16).toUpperCase();
- return e;
- }
- export function pctDecChars(str) {
- let newStr = "";
- let i = 0;
- const il = str.length;
- while (i < il) {
- const c = parseInt(str.substr(i + 1, 2), 16);
- if (c < 128) {
- newStr += String.fromCharCode(c);
- i += 3;
- }
- else if (c >= 194 && c < 224) {
- if ((il - i) >= 6) {
- const c2 = parseInt(str.substr(i + 4, 2), 16);
- newStr += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
- }
- else {
- newStr += str.substr(i, 6);
- }
- i += 6;
- }
- else if (c >= 224) {
- if ((il - i) >= 9) {
- const c2 = parseInt(str.substr(i + 4, 2), 16);
- const c3 = parseInt(str.substr(i + 7, 2), 16);
- newStr += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
- }
- else {
- newStr += str.substr(i, 9);
- }
- i += 9;
- }
- else {
- newStr += str.substr(i, 3);
- i += 3;
- }
- }
- return newStr;
- }
- function _normalizeComponentEncoding(components, protocol) {
- function decodeUnreserved(str) {
- const decStr = pctDecChars(str);
- return (!decStr.match(protocol.UNRESERVED) ? str : decStr);
- }
- if (components.scheme)
- components.scheme = String(components.scheme).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_SCHEME, "");
- if (components.userinfo !== undefined)
- components.userinfo = String(components.userinfo).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_USERINFO, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
- if (components.host !== undefined)
- components.host = String(components.host).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_HOST, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
- if (components.path !== undefined)
- components.path = String(components.path).replace(protocol.PCT_ENCODED, decodeUnreserved).replace((components.scheme ? protocol.NOT_PATH : protocol.NOT_PATH_NOSCHEME), pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
- if (components.query !== undefined)
- components.query = String(components.query).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_QUERY, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
- if (components.fragment !== undefined)
- components.fragment = String(components.fragment).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_FRAGMENT, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
- return components;
- }
- ;
- function _stripLeadingZeros(str) {
- return str.replace(/^0*(.*)/, "$1") || "0";
- }
- function _normalizeIPv4(host, protocol) {
- const matches = host.match(protocol.IPV4ADDRESS) || [];
- const [, address] = matches;
- if (address) {
- return address.split(".").map(_stripLeadingZeros).join(".");
- }
- else {
- return host;
- }
- }
- function _normalizeIPv6(host, protocol) {
- const matches = host.match(protocol.IPV6ADDRESS) || [];
- const [, address, zone] = matches;
- if (address) {
- const [last, first] = address.toLowerCase().split('::').reverse();
- const firstFields = first ? first.split(":").map(_stripLeadingZeros) : [];
- const lastFields = last.split(":").map(_stripLeadingZeros);
- const isLastFieldIPv4Address = protocol.IPV4ADDRESS.test(lastFields[lastFields.length - 1]);
- const fieldCount = isLastFieldIPv4Address ? 7 : 8;
- const lastFieldsStart = lastFields.length - fieldCount;
- const fields = Array(fieldCount);
- for (let x = 0; x < fieldCount; ++x) {
- fields[x] = firstFields[x] || lastFields[lastFieldsStart + x] || '';
- }
- if (isLastFieldIPv4Address) {
- fields[fieldCount - 1] = _normalizeIPv4(fields[fieldCount - 1], protocol);
- }
- const allZeroFields = fields.reduce((acc, field, index) => {
- if (!field || field === "0") {
- const lastLongest = acc[acc.length - 1];
- if (lastLongest && lastLongest.index + lastLongest.length === index) {
- lastLongest.length++;
- }
- else {
- acc.push({ index, length: 1 });
- }
- }
- return acc;
- }, []);
- const longestZeroFields = allZeroFields.sort((a, b) => b.length - a.length)[0];
- let newHost;
- if (longestZeroFields && longestZeroFields.length > 1) {
- const newFirst = fields.slice(0, longestZeroFields.index);
- const newLast = fields.slice(longestZeroFields.index + longestZeroFields.length);
- newHost = newFirst.join(":") + "::" + newLast.join(":");
- }
- else {
- newHost = fields.join(":");
- }
- if (zone) {
- newHost += "%" + zone;
- }
- return newHost;
- }
- else {
- return host;
- }
- }
- const URI_PARSE = /^(?:([^:\/?#]+):)?(?:\/\/((?:([^\/?#@]*)@)?(\[[^\/?#\]]+\]|[^\/?#:]*)(?:\:(\d*))?))?([^?#]*)(?:\?([^#]*))?(?:#((?:.|\n|\r)*))?/i;
- const NO_MATCH_IS_UNDEFINED = ("").match(/(){0}/)[1] === undefined;
- export function parse(uriString, options = {}) {
- const components = {};
- const protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL);
- if (options.reference === "suffix")
- uriString = (options.scheme ? options.scheme + ":" : "") + "//" + uriString;
- const matches = uriString.match(URI_PARSE);
- if (matches) {
- if (NO_MATCH_IS_UNDEFINED) {
- //store each component
- components.scheme = matches[1];
- components.userinfo = matches[3];
- components.host = matches[4];
- components.port = parseInt(matches[5], 10);
- components.path = matches[6] || "";
- components.query = matches[7];
- components.fragment = matches[8];
- //fix port number
- if (isNaN(components.port)) {
- components.port = matches[5];
- }
- }
- else { //IE FIX for improper RegExp matching
- //store each component
- components.scheme = matches[1] || undefined;
- components.userinfo = (uriString.indexOf("@") !== -1 ? matches[3] : undefined);
- components.host = (uriString.indexOf("//") !== -1 ? matches[4] : undefined);
- components.port = parseInt(matches[5], 10);
- components.path = matches[6] || "";
- components.query = (uriString.indexOf("?") !== -1 ? matches[7] : undefined);
- components.fragment = (uriString.indexOf("#") !== -1 ? matches[8] : undefined);
- //fix port number
- if (isNaN(components.port)) {
- components.port = (uriString.match(/\/\/(?:.|\n)*\:(?:\/|\?|\#|$)/) ? matches[4] : undefined);
- }
- }
- if (components.host) {
- //normalize IP hosts
- components.host = _normalizeIPv6(_normalizeIPv4(components.host, protocol), protocol);
- }
- //determine reference type
- if (components.scheme === undefined && components.userinfo === undefined && components.host === undefined && components.port === undefined && !components.path && components.query === undefined) {
- components.reference = "same-document";
- }
- else if (components.scheme === undefined) {
- components.reference = "relative";
- }
- else if (components.fragment === undefined) {
- components.reference = "absolute";
- }
- else {
- components.reference = "uri";
- }
- //check for reference errors
- if (options.reference && options.reference !== "suffix" && options.reference !== components.reference) {
- components.error = components.error || "URI is not a " + options.reference + " reference.";
- }
- //find scheme handler
- const schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()];
- //check if scheme can't handle IRIs
- if (!options.unicodeSupport && (!schemeHandler || !schemeHandler.unicodeSupport)) {
- //if host component is a domain name
- if (components.host && (options.domainHost || (schemeHandler && schemeHandler.domainHost))) {
- //convert Unicode IDN -> ASCII IDN
- try {
- components.host = punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase());
- }
- catch (e) {
- components.error = components.error || "Host's domain name can not be converted to ASCII via punycode: " + e;
- }
- }
- //convert IRI -> URI
- _normalizeComponentEncoding(components, URI_PROTOCOL);
- }
- else {
- //normalize encodings
- _normalizeComponentEncoding(components, protocol);
- }
- //perform scheme specific parsing
- if (schemeHandler && schemeHandler.parse) {
- schemeHandler.parse(components, options);
- }
- }
- else {
- components.error = components.error || "URI can not be parsed.";
- }
- return components;
- }
- ;
- function _recomposeAuthority(components, options) {
- const protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL);
- const uriTokens = [];
- if (components.userinfo !== undefined) {
- uriTokens.push(components.userinfo);
- uriTokens.push("@");
- }
- if (components.host !== undefined) {
- //normalize IP hosts, add brackets and escape zone separator for IPv6
- uriTokens.push(_normalizeIPv6(_normalizeIPv4(String(components.host), protocol), protocol).replace(protocol.IPV6ADDRESS, (_, $1, $2) => "[" + $1 + ($2 ? "%25" + $2 : "") + "]"));
- }
- if (typeof components.port === "number") {
- uriTokens.push(":");
- uriTokens.push(components.port.toString(10));
- }
- return uriTokens.length ? uriTokens.join("") : undefined;
- }
- ;
- const RDS1 = /^\.\.?\//;
- const RDS2 = /^\/\.(\/|$)/;
- const RDS3 = /^\/\.\.(\/|$)/;
- const RDS4 = /^\.\.?$/;
- const RDS5 = /^\/?(?:.|\n)*?(?=\/|$)/;
- export function removeDotSegments(input) {
- const output = [];
- while (input.length) {
- if (input.match(RDS1)) {
- input = input.replace(RDS1, "");
- }
- else if (input.match(RDS2)) {
- input = input.replace(RDS2, "/");
- }
- else if (input.match(RDS3)) {
- input = input.replace(RDS3, "/");
- output.pop();
- }
- else if (input === "." || input === "..") {
- input = "";
- }
- else {
- const im = input.match(RDS5);
- if (im) {
- const s = im[0];
- input = input.slice(s.length);
- output.push(s);
- }
- else {
- throw new Error("Unexpected dot segment condition");
- }
- }
- }
- return output.join("");
- }
- ;
- export function serialize(components, options = {}) {
- const protocol = (options.iri ? IRI_PROTOCOL : URI_PROTOCOL);
- const uriTokens = [];
- //find scheme handler
- const schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()];
- //perform scheme specific serialization
- if (schemeHandler && schemeHandler.serialize)
- schemeHandler.serialize(components, options);
- if (components.host) {
- //if host component is an IPv6 address
- if (protocol.IPV6ADDRESS.test(components.host)) {
- //TODO: normalize IPv6 address as per RFC 5952
- }
- //if host component is a domain name
- else if (options.domainHost || (schemeHandler && schemeHandler.domainHost)) {
- //convert IDN via punycode
- try {
- components.host = (!options.iri ? punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()) : punycode.toUnicode(components.host));
- }
- catch (e) {
- components.error = components.error || "Host's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e;
- }
- }
- }
- //normalize encoding
- _normalizeComponentEncoding(components, protocol);
- if (options.reference !== "suffix" && components.scheme) {
- uriTokens.push(components.scheme);
- uriTokens.push(":");
- }
- const authority = _recomposeAuthority(components, options);
- if (authority !== undefined) {
- if (options.reference !== "suffix") {
- uriTokens.push("//");
- }
- uriTokens.push(authority);
- if (components.path && components.path.charAt(0) !== "/") {
- uriTokens.push("/");
- }
- }
- if (components.path !== undefined) {
- let s = components.path;
- if (!options.absolutePath && (!schemeHandler || !schemeHandler.absolutePath)) {
- s = removeDotSegments(s);
- }
- if (authority === undefined) {
- s = s.replace(/^\/\//, "/%2F"); //don't allow the path to start with "//"
- }
- uriTokens.push(s);
- }
- if (components.query !== undefined) {
- uriTokens.push("?");
- uriTokens.push(components.query);
- }
- if (components.fragment !== undefined) {
- uriTokens.push("#");
- uriTokens.push(components.fragment);
- }
- return uriTokens.join(""); //merge tokens into a string
- }
- ;
- export function resolveComponents(base, relative, options = {}, skipNormalization) {
- const target = {};
- if (!skipNormalization) {
- base = parse(serialize(base, options), options); //normalize base components
- relative = parse(serialize(relative, options), options); //normalize relative components
- }
- options = options || {};
- if (!options.tolerant && relative.scheme) {
- target.scheme = relative.scheme;
- //target.authority = relative.authority;
- target.userinfo = relative.userinfo;
- target.host = relative.host;
- target.port = relative.port;
- target.path = removeDotSegments(relative.path || "");
- target.query = relative.query;
- }
- else {
- if (relative.userinfo !== undefined || relative.host !== undefined || relative.port !== undefined) {
- //target.authority = relative.authority;
- target.userinfo = relative.userinfo;
- target.host = relative.host;
- target.port = relative.port;
- target.path = removeDotSegments(relative.path || "");
- target.query = relative.query;
- }
- else {
- if (!relative.path) {
- target.path = base.path;
- if (relative.query !== undefined) {
- target.query = relative.query;
- }
- else {
- target.query = base.query;
- }
- }
- else {
- if (relative.path.charAt(0) === "/") {
- target.path = removeDotSegments(relative.path);
- }
- else {
- if ((base.userinfo !== undefined || base.host !== undefined || base.port !== undefined) && !base.path) {
- target.path = "/" + relative.path;
- }
- else if (!base.path) {
- target.path = relative.path;
- }
- else {
- target.path = base.path.slice(0, base.path.lastIndexOf("/") + 1) + relative.path;
- }
- target.path = removeDotSegments(target.path);
- }
- target.query = relative.query;
- }
- //target.authority = base.authority;
- target.userinfo = base.userinfo;
- target.host = base.host;
- target.port = base.port;
- }
- target.scheme = base.scheme;
- }
- target.fragment = relative.fragment;
- return target;
- }
- ;
- export function resolve(baseURI, relativeURI, options) {
- const schemelessOptions = assign({ scheme: 'null' }, options);
- return serialize(resolveComponents(parse(baseURI, schemelessOptions), parse(relativeURI, schemelessOptions), schemelessOptions, true), schemelessOptions);
- }
- ;
- export function normalize(uri, options) {
- if (typeof uri === "string") {
- uri = serialize(parse(uri, options), options);
- }
- else if (typeOf(uri) === "object") {
- uri = parse(serialize(uri, options), options);
- }
- return uri;
- }
- ;
- export function equal(uriA, uriB, options) {
- if (typeof uriA === "string") {
- uriA = serialize(parse(uriA, options), options);
- }
- else if (typeOf(uriA) === "object") {
- uriA = serialize(uriA, options);
- }
- if (typeof uriB === "string") {
- uriB = serialize(parse(uriB, options), options);
- }
- else if (typeOf(uriB) === "object") {
- uriB = serialize(uriB, options);
- }
- return uriA === uriB;
- }
- ;
- export function escapeComponent(str, options) {
- return str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.ESCAPE : IRI_PROTOCOL.ESCAPE), pctEncChar);
- }
- ;
- export function unescapeComponent(str, options) {
- return str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.PCT_ENCODED : IRI_PROTOCOL.PCT_ENCODED), pctDecChars);
- }
- ;
- //# sourceMappingURL=uri.js.map
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