| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480 | /** * 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" + $2 : "") + "]"));    }    if (typeof components.port === "number" || typeof components.port === "string") {        uriTokens.push(":");        uriTokens.push(String(components.port));    }    return uriTokens.length ? uriTokens.join("") : undefined;};const RDS1 = /^\.\.?\//;const RDS2 = /^\/\.(\/|$)/;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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