--- /dev/null
+/**
+ * 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 interface URIComponents {
+ scheme?:string;
+ userinfo?:string;
+ host?:string;
+ port?:number|string;
+ path?:string;
+ query?:string;
+ fragment?:string;
+ reference?:string;
+ error?:string;
+}
+
+export interface URIOptions {
+ scheme?:string;
+ reference?:string;
+ tolerant?:boolean;
+ absolutePath?:boolean;
+ iri?:boolean;
+ unicodeSupport?:boolean;
+ domainHost?:boolean;
+}
+
+export interface URISchemeHandler<Components extends URIComponents = URIComponents, Options extends URIOptions = URIOptions, ParentComponents extends URIComponents = URIComponents> {
+ scheme:string;
+ parse(components:ParentComponents, options:Options):Components;
+ serialize(components:Components, options:Options):ParentComponents;
+ unicodeSupport?:boolean;
+ domainHost?:boolean;
+ absolutePath?:boolean;
+}
+
+export interface URIRegExps {
+ NOT_SCHEME : RegExp,
+ NOT_USERINFO : RegExp,
+ NOT_HOST : RegExp,
+ NOT_PATH : RegExp,
+ NOT_PATH_NOSCHEME : RegExp,
+ NOT_QUERY : RegExp,
+ NOT_FRAGMENT : RegExp,
+ ESCAPE : RegExp,
+ UNRESERVED : RegExp,
+ OTHER_CHARS : RegExp,
+ PCT_ENCODED : RegExp,
+ IPV4ADDRESS : RegExp,
+ IPV6ADDRESS : RegExp,
+}
+
+export const SCHEMES:{[scheme:string]:URISchemeHandler} = {};
+
+export function pctEncChar(chr:string):string {
+ const c = chr.charCodeAt(0);
+ let e:string;
+
+ 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:string):string {
+ 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:URIComponents, protocol:URIRegExps) {
+ function decodeUnreserved(str:string):string {
+ 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:string):string {
+ return str.replace(/^0*(.*)/, "$1") || "0";
+}
+
+function _normalizeIPv4(host:string, protocol:URIRegExps):string {
+ const matches = host.match(protocol.IPV4ADDRESS) || [];
+ const [, address] = matches;
+
+ if (address) {
+ return address.split(".").map(_stripLeadingZeros).join(".");
+ } else {
+ return host;
+ }
+}
+
+function _normalizeIPv6(host:string, protocol:URIRegExps):string {
+ 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<string>(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<Array<{index:number,length:number}>>((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:string;
+ 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 = (<RegExpMatchArray>("").match(/(){0}/))[1] === undefined;
+
+export function parse(uriString:string, options:URIOptions = {}):URIComponents {
+ const components:URIComponents = {};
+ 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:URIComponents, options:URIOptions):string|undefined {
+ const protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL);
+ const uriTokens:Array<string> = [];
+
+ 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:string):string {
+ const output:Array<string> = [];
+
+ 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:URIComponents, options:URIOptions = {}):string {
+ const protocol = (options.iri ? IRI_PROTOCOL : URI_PROTOCOL);
+ const uriTokens:Array<string> = [];
+
+ //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:URIComponents, relative:URIComponents, options:URIOptions = {}, skipNormalization?:boolean):URIComponents {
+ const target:URIComponents = {};
+
+ 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:string, relativeURI:string, options?:URIOptions):string {
+ const schemelessOptions = assign({ scheme : 'null' }, options);
+ return serialize(resolveComponents(parse(baseURI, schemelessOptions), parse(relativeURI, schemelessOptions), schemelessOptions, true), schemelessOptions);
+};
+
+export function normalize(uri:string, options?:URIOptions):string;
+export function normalize(uri:URIComponents, options?:URIOptions):URIComponents;
+export function normalize(uri:any, options?:URIOptions):any {
+ if (typeof uri === "string") {
+ uri = serialize(parse(uri, options), options);
+ } else if (typeOf(uri) === "object") {
+ uri = parse(serialize(<URIComponents>uri, options), options);
+ }
+
+ return uri;
+};
+
+export function equal(uriA:string, uriB:string, options?: URIOptions):boolean;
+export function equal(uriA:URIComponents, uriB:URIComponents, options?:URIOptions):boolean;
+export function equal(uriA:any, uriB:any, options?:URIOptions):boolean {
+ if (typeof uriA === "string") {
+ uriA = serialize(parse(uriA, options), options);
+ } else if (typeOf(uriA) === "object") {
+ uriA = serialize(<URIComponents>uriA, options);
+ }
+
+ if (typeof uriB === "string") {
+ uriB = serialize(parse(uriB, options), options);
+ } else if (typeOf(uriB) === "object") {
+ uriB = serialize(<URIComponents>uriB, options);
+ }
+
+ return uriA === uriB;
+};
+
+export function escapeComponent(str:string, options?:URIOptions):string {
+ return str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.ESCAPE : IRI_PROTOCOL.ESCAPE), pctEncChar);
+};
+
+export function unescapeComponent(str:string, options?:URIOptions):string {
+ return str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.PCT_ENCODED : IRI_PROTOCOL.PCT_ENCODED), pctDecChars);
+};
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