[d565449] | 1 | /**
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| 2 | * URI.js
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| 3 | *
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| 4 | * @fileoverview An RFC 3986 compliant, scheme extendable URI parsing/validating/resolving library for JavaScript.
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| 5 | * @author <a href="mailto:gary.court@gmail.com">Gary Court</a>
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| 6 | * @see http://github.com/garycourt/uri-js
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| 7 | */
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| 8 | /**
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| 9 | * Copyright 2011 Gary Court. All rights reserved.
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| 10 | *
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| 11 | * Redistribution and use in source and binary forms, with or without modification, are
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| 12 | * permitted provided that the following conditions are met:
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| 13 | *
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| 14 | * 1. Redistributions of source code must retain the above copyright notice, this list of
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| 15 | * conditions and the following disclaimer.
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| 16 | *
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| 17 | * 2. Redistributions in binary form must reproduce the above copyright notice, this list
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| 18 | * of conditions and the following disclaimer in the documentation and/or other materials
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| 19 | * provided with the distribution.
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| 20 | *
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| 21 | * THIS SOFTWARE IS PROVIDED BY GARY COURT ``AS IS'' AND ANY EXPRESS OR IMPLIED
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| 22 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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| 23 | * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR
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| 24 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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| 26 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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| 27 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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| 28 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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| 29 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 30 | *
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| 31 | * The views and conclusions contained in the software and documentation are those of the
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| 32 | * authors and should not be interpreted as representing official policies, either expressed
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| 33 | * or implied, of Gary Court.
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| 34 | */
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| 35 | import URI_PROTOCOL from "./regexps-uri";
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| 36 | import IRI_PROTOCOL from "./regexps-iri";
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| 37 | import punycode from "punycode";
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| 38 | import { toUpperCase, typeOf, assign } from "./util";
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| 39 | export const SCHEMES = {};
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| 40 | export function pctEncChar(chr) {
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| 41 | const c = chr.charCodeAt(0);
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| 42 | let e;
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| 43 | if (c < 16)
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| 44 | e = "%0" + c.toString(16).toUpperCase();
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| 45 | else if (c < 128)
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| 46 | e = "%" + c.toString(16).toUpperCase();
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| 47 | else if (c < 2048)
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| 48 | e = "%" + ((c >> 6) | 192).toString(16).toUpperCase() + "%" + ((c & 63) | 128).toString(16).toUpperCase();
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| 49 | else
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| 50 | e = "%" + ((c >> 12) | 224).toString(16).toUpperCase() + "%" + (((c >> 6) & 63) | 128).toString(16).toUpperCase() + "%" + ((c & 63) | 128).toString(16).toUpperCase();
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| 51 | return e;
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| 52 | }
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| 53 | export function pctDecChars(str) {
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| 54 | let newStr = "";
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| 55 | let i = 0;
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| 56 | const il = str.length;
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| 57 | while (i < il) {
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| 58 | const c = parseInt(str.substr(i + 1, 2), 16);
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| 59 | if (c < 128) {
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| 60 | newStr += String.fromCharCode(c);
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| 61 | i += 3;
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| 62 | }
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| 63 | else if (c >= 194 && c < 224) {
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| 64 | if ((il - i) >= 6) {
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| 65 | const c2 = parseInt(str.substr(i + 4, 2), 16);
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| 66 | newStr += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
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| 67 | }
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| 68 | else {
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| 69 | newStr += str.substr(i, 6);
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| 70 | }
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| 71 | i += 6;
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| 72 | }
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| 73 | else if (c >= 224) {
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| 74 | if ((il - i) >= 9) {
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| 75 | const c2 = parseInt(str.substr(i + 4, 2), 16);
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| 76 | const c3 = parseInt(str.substr(i + 7, 2), 16);
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| 77 | newStr += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
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| 78 | }
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| 79 | else {
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| 80 | newStr += str.substr(i, 9);
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| 81 | }
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| 82 | i += 9;
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| 83 | }
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| 84 | else {
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| 85 | newStr += str.substr(i, 3);
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| 86 | i += 3;
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| 87 | }
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| 88 | }
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| 89 | return newStr;
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| 90 | }
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| 91 | function _normalizeComponentEncoding(components, protocol) {
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| 92 | function decodeUnreserved(str) {
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| 93 | const decStr = pctDecChars(str);
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| 94 | return (!decStr.match(protocol.UNRESERVED) ? str : decStr);
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| 95 | }
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| 96 | if (components.scheme)
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| 97 | components.scheme = String(components.scheme).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_SCHEME, "");
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| 98 | if (components.userinfo !== undefined)
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| 99 | components.userinfo = String(components.userinfo).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_USERINFO, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
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| 100 | if (components.host !== undefined)
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| 101 | components.host = String(components.host).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_HOST, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
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| 102 | if (components.path !== undefined)
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| 103 | 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);
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| 104 | if (components.query !== undefined)
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| 105 | components.query = String(components.query).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_QUERY, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
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| 106 | if (components.fragment !== undefined)
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| 107 | components.fragment = String(components.fragment).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_FRAGMENT, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
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| 108 | return components;
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| 109 | }
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| 110 | ;
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| 111 | function _stripLeadingZeros(str) {
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| 112 | return str.replace(/^0*(.*)/, "$1") || "0";
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| 113 | }
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| 114 | function _normalizeIPv4(host, protocol) {
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| 115 | const matches = host.match(protocol.IPV4ADDRESS) || [];
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| 116 | const [, address] = matches;
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| 117 | if (address) {
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| 118 | return address.split(".").map(_stripLeadingZeros).join(".");
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| 119 | }
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| 120 | else {
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| 121 | return host;
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| 122 | }
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| 123 | }
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| 124 | function _normalizeIPv6(host, protocol) {
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| 125 | const matches = host.match(protocol.IPV6ADDRESS) || [];
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| 126 | const [, address, zone] = matches;
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| 127 | if (address) {
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| 128 | const [last, first] = address.toLowerCase().split('::').reverse();
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| 129 | const firstFields = first ? first.split(":").map(_stripLeadingZeros) : [];
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| 130 | const lastFields = last.split(":").map(_stripLeadingZeros);
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| 131 | const isLastFieldIPv4Address = protocol.IPV4ADDRESS.test(lastFields[lastFields.length - 1]);
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| 132 | const fieldCount = isLastFieldIPv4Address ? 7 : 8;
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| 133 | const lastFieldsStart = lastFields.length - fieldCount;
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| 134 | const fields = Array(fieldCount);
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| 135 | for (let x = 0; x < fieldCount; ++x) {
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| 136 | fields[x] = firstFields[x] || lastFields[lastFieldsStart + x] || '';
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| 137 | }
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| 138 | if (isLastFieldIPv4Address) {
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| 139 | fields[fieldCount - 1] = _normalizeIPv4(fields[fieldCount - 1], protocol);
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| 140 | }
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| 141 | const allZeroFields = fields.reduce((acc, field, index) => {
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| 142 | if (!field || field === "0") {
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| 143 | const lastLongest = acc[acc.length - 1];
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| 144 | if (lastLongest && lastLongest.index + lastLongest.length === index) {
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| 145 | lastLongest.length++;
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| 146 | }
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| 147 | else {
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| 148 | acc.push({ index, length: 1 });
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| 149 | }
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| 150 | }
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| 151 | return acc;
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| 152 | }, []);
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| 153 | const longestZeroFields = allZeroFields.sort((a, b) => b.length - a.length)[0];
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| 154 | let newHost;
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| 155 | if (longestZeroFields && longestZeroFields.length > 1) {
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| 156 | const newFirst = fields.slice(0, longestZeroFields.index);
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| 157 | const newLast = fields.slice(longestZeroFields.index + longestZeroFields.length);
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| 158 | newHost = newFirst.join(":") + "::" + newLast.join(":");
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| 159 | }
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| 160 | else {
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| 161 | newHost = fields.join(":");
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| 162 | }
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| 163 | if (zone) {
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| 164 | newHost += "%" + zone;
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| 165 | }
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| 166 | return newHost;
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| 167 | }
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| 168 | else {
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| 169 | return host;
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| 170 | }
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| 171 | }
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| 172 | const URI_PARSE = /^(?:([^:\/?#]+):)?(?:\/\/((?:([^\/?#@]*)@)?(\[[^\/?#\]]+\]|[^\/?#:]*)(?:\:(\d*))?))?([^?#]*)(?:\?([^#]*))?(?:#((?:.|\n|\r)*))?/i;
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| 173 | const NO_MATCH_IS_UNDEFINED = ("").match(/(){0}/)[1] === undefined;
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| 174 | export function parse(uriString, options = {}) {
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| 175 | const components = {};
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| 176 | const protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL);
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| 177 | if (options.reference === "suffix")
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| 178 | uriString = (options.scheme ? options.scheme + ":" : "") + "//" + uriString;
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| 179 | const matches = uriString.match(URI_PARSE);
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| 180 | if (matches) {
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| 181 | if (NO_MATCH_IS_UNDEFINED) {
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| 182 | //store each component
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| 183 | components.scheme = matches[1];
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| 184 | components.userinfo = matches[3];
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| 185 | components.host = matches[4];
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| 186 | components.port = parseInt(matches[5], 10);
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| 187 | components.path = matches[6] || "";
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| 188 | components.query = matches[7];
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| 189 | components.fragment = matches[8];
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| 190 | //fix port number
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| 191 | if (isNaN(components.port)) {
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| 192 | components.port = matches[5];
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| 193 | }
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| 194 | }
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| 195 | else { //IE FIX for improper RegExp matching
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| 196 | //store each component
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| 197 | components.scheme = matches[1] || undefined;
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| 198 | components.userinfo = (uriString.indexOf("@") !== -1 ? matches[3] : undefined);
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| 199 | components.host = (uriString.indexOf("//") !== -1 ? matches[4] : undefined);
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| 200 | components.port = parseInt(matches[5], 10);
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| 201 | components.path = matches[6] || "";
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| 202 | components.query = (uriString.indexOf("?") !== -1 ? matches[7] : undefined);
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| 203 | components.fragment = (uriString.indexOf("#") !== -1 ? matches[8] : undefined);
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| 204 | //fix port number
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| 205 | if (isNaN(components.port)) {
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| 206 | components.port = (uriString.match(/\/\/(?:.|\n)*\:(?:\/|\?|\#|$)/) ? matches[4] : undefined);
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| 207 | }
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| 208 | }
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| 209 | if (components.host) {
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| 210 | //normalize IP hosts
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| 211 | components.host = _normalizeIPv6(_normalizeIPv4(components.host, protocol), protocol);
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| 212 | }
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| 213 | //determine reference type
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| 214 | if (components.scheme === undefined && components.userinfo === undefined && components.host === undefined && components.port === undefined && !components.path && components.query === undefined) {
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| 215 | components.reference = "same-document";
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| 216 | }
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| 217 | else if (components.scheme === undefined) {
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| 218 | components.reference = "relative";
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| 219 | }
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| 220 | else if (components.fragment === undefined) {
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| 221 | components.reference = "absolute";
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| 222 | }
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| 223 | else {
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| 224 | components.reference = "uri";
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| 225 | }
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| 226 | //check for reference errors
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| 227 | if (options.reference && options.reference !== "suffix" && options.reference !== components.reference) {
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| 228 | components.error = components.error || "URI is not a " + options.reference + " reference.";
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| 229 | }
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| 230 | //find scheme handler
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| 231 | const schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()];
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| 232 | //check if scheme can't handle IRIs
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| 233 | if (!options.unicodeSupport && (!schemeHandler || !schemeHandler.unicodeSupport)) {
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| 234 | //if host component is a domain name
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| 235 | if (components.host && (options.domainHost || (schemeHandler && schemeHandler.domainHost))) {
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| 236 | //convert Unicode IDN -> ASCII IDN
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| 237 | try {
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| 238 | components.host = punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase());
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| 239 | }
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| 240 | catch (e) {
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| 241 | components.error = components.error || "Host's domain name can not be converted to ASCII via punycode: " + e;
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| 242 | }
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| 243 | }
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| 244 | //convert IRI -> URI
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| 245 | _normalizeComponentEncoding(components, URI_PROTOCOL);
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| 246 | }
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| 247 | else {
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| 248 | //normalize encodings
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| 249 | _normalizeComponentEncoding(components, protocol);
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| 250 | }
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| 251 | //perform scheme specific parsing
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| 252 | if (schemeHandler && schemeHandler.parse) {
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| 253 | schemeHandler.parse(components, options);
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| 254 | }
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| 255 | }
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| 256 | else {
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| 257 | components.error = components.error || "URI can not be parsed.";
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| 258 | }
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| 259 | return components;
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| 260 | }
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| 261 | ;
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| 262 | function _recomposeAuthority(components, options) {
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| 263 | const protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL);
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| 264 | const uriTokens = [];
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| 265 | if (components.userinfo !== undefined) {
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| 266 | uriTokens.push(components.userinfo);
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| 267 | uriTokens.push("@");
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| 268 | }
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| 269 | if (components.host !== undefined) {
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| 270 | //normalize IP hosts, add brackets and escape zone separator for IPv6
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| 271 | uriTokens.push(_normalizeIPv6(_normalizeIPv4(String(components.host), protocol), protocol).replace(protocol.IPV6ADDRESS, (_, $1, $2) => "[" + $1 + ($2 ? "%25" + $2 : "") + "]"));
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| 272 | }
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| 273 | if (typeof components.port === "number" || typeof components.port === "string") {
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| 274 | uriTokens.push(":");
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| 275 | uriTokens.push(String(components.port));
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| 276 | }
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| 277 | return uriTokens.length ? uriTokens.join("") : undefined;
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| 278 | }
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| 279 | ;
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| 280 | const RDS1 = /^\.\.?\//;
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| 281 | const RDS2 = /^\/\.(\/|$)/;
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| 282 | const RDS3 = /^\/\.\.(\/|$)/;
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| 283 | const RDS4 = /^\.\.?$/;
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| 284 | const RDS5 = /^\/?(?:.|\n)*?(?=\/|$)/;
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| 285 | export function removeDotSegments(input) {
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| 286 | const output = [];
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| 287 | while (input.length) {
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| 288 | if (input.match(RDS1)) {
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| 289 | input = input.replace(RDS1, "");
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| 290 | }
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| 291 | else if (input.match(RDS2)) {
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| 292 | input = input.replace(RDS2, "/");
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| 293 | }
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| 294 | else if (input.match(RDS3)) {
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| 295 | input = input.replace(RDS3, "/");
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| 296 | output.pop();
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| 297 | }
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| 298 | else if (input === "." || input === "..") {
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| 299 | input = "";
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| 300 | }
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| 301 | else {
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| 302 | const im = input.match(RDS5);
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| 303 | if (im) {
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| 304 | const s = im[0];
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| 305 | input = input.slice(s.length);
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| 306 | output.push(s);
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| 307 | }
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| 308 | else {
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| 309 | throw new Error("Unexpected dot segment condition");
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| 310 | }
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| 311 | }
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| 312 | }
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| 313 | return output.join("");
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| 314 | }
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| 315 | ;
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| 316 | export function serialize(components, options = {}) {
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| 317 | const protocol = (options.iri ? IRI_PROTOCOL : URI_PROTOCOL);
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| 318 | const uriTokens = [];
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| 319 | //find scheme handler
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| 320 | const schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()];
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| 321 | //perform scheme specific serialization
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| 322 | if (schemeHandler && schemeHandler.serialize)
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| 323 | schemeHandler.serialize(components, options);
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| 324 | if (components.host) {
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| 325 | //if host component is an IPv6 address
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| 326 | if (protocol.IPV6ADDRESS.test(components.host)) {
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| 327 | //TODO: normalize IPv6 address as per RFC 5952
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| 328 | }
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| 329 | //if host component is a domain name
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| 330 | else if (options.domainHost || (schemeHandler && schemeHandler.domainHost)) {
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| 331 | //convert IDN via punycode
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| 332 | try {
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| 333 | components.host = (!options.iri ? punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()) : punycode.toUnicode(components.host));
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| 334 | }
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| 335 | catch (e) {
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| 336 | components.error = components.error || "Host's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e;
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| 337 | }
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| 338 | }
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| 339 | }
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| 340 | //normalize encoding
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| 341 | _normalizeComponentEncoding(components, protocol);
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| 342 | if (options.reference !== "suffix" && components.scheme) {
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| 343 | uriTokens.push(components.scheme);
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| 344 | uriTokens.push(":");
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| 345 | }
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| 346 | const authority = _recomposeAuthority(components, options);
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| 347 | if (authority !== undefined) {
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| 348 | if (options.reference !== "suffix") {
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| 349 | uriTokens.push("//");
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| 350 | }
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| 351 | uriTokens.push(authority);
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| 352 | if (components.path && components.path.charAt(0) !== "/") {
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| 353 | uriTokens.push("/");
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| 354 | }
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| 355 | }
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| 356 | if (components.path !== undefined) {
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| 357 | let s = components.path;
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| 358 | if (!options.absolutePath && (!schemeHandler || !schemeHandler.absolutePath)) {
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| 359 | s = removeDotSegments(s);
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| 360 | }
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| 361 | if (authority === undefined) {
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| 362 | s = s.replace(/^\/\//, "/%2F"); //don't allow the path to start with "//"
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| 363 | }
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| 364 | uriTokens.push(s);
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| 365 | }
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| 366 | if (components.query !== undefined) {
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| 367 | uriTokens.push("?");
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| 368 | uriTokens.push(components.query);
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| 369 | }
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| 370 | if (components.fragment !== undefined) {
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| 371 | uriTokens.push("#");
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| 372 | uriTokens.push(components.fragment);
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| 373 | }
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| 374 | return uriTokens.join(""); //merge tokens into a string
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| 375 | }
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| 376 | ;
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| 377 | export function resolveComponents(base, relative, options = {}, skipNormalization) {
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| 378 | const target = {};
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| 379 | if (!skipNormalization) {
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| 380 | base = parse(serialize(base, options), options); //normalize base components
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| 381 | relative = parse(serialize(relative, options), options); //normalize relative components
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| 382 | }
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| 383 | options = options || {};
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| 384 | if (!options.tolerant && relative.scheme) {
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| 385 | target.scheme = relative.scheme;
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| 386 | //target.authority = relative.authority;
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| 387 | target.userinfo = relative.userinfo;
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| 388 | target.host = relative.host;
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| 389 | target.port = relative.port;
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| 390 | target.path = removeDotSegments(relative.path || "");
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| 391 | target.query = relative.query;
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| 392 | }
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| 393 | else {
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| 394 | if (relative.userinfo !== undefined || relative.host !== undefined || relative.port !== undefined) {
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| 395 | //target.authority = relative.authority;
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| 396 | target.userinfo = relative.userinfo;
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| 397 | target.host = relative.host;
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| 398 | target.port = relative.port;
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| 399 | target.path = removeDotSegments(relative.path || "");
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| 400 | target.query = relative.query;
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| 401 | }
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| 402 | else {
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| 403 | if (!relative.path) {
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| 404 | target.path = base.path;
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| 405 | if (relative.query !== undefined) {
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| 406 | target.query = relative.query;
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| 407 | }
|
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| 408 | else {
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| 409 | target.query = base.query;
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| 410 | }
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| 411 | }
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| 412 | else {
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| 413 | if (relative.path.charAt(0) === "/") {
|
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| 414 | target.path = removeDotSegments(relative.path);
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| 415 | }
|
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| 416 | else {
|
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| 417 | if ((base.userinfo !== undefined || base.host !== undefined || base.port !== undefined) && !base.path) {
|
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| 418 | target.path = "/" + relative.path;
|
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| 419 | }
|
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| 420 | else if (!base.path) {
|
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| 421 | target.path = relative.path;
|
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| 422 | }
|
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| 423 | else {
|
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| 424 | target.path = base.path.slice(0, base.path.lastIndexOf("/") + 1) + relative.path;
|
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| 425 | }
|
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| 426 | target.path = removeDotSegments(target.path);
|
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| 427 | }
|
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| 428 | target.query = relative.query;
|
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| 429 | }
|
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| 430 | //target.authority = base.authority;
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| 431 | target.userinfo = base.userinfo;
|
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| 432 | target.host = base.host;
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| 433 | target.port = base.port;
|
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| 434 | }
|
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| 435 | target.scheme = base.scheme;
|
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| 436 | }
|
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| 437 | target.fragment = relative.fragment;
|
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| 438 | return target;
|
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| 439 | }
|
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| 440 | ;
|
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| 441 | export function resolve(baseURI, relativeURI, options) {
|
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| 442 | const schemelessOptions = assign({ scheme: 'null' }, options);
|
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| 443 | return serialize(resolveComponents(parse(baseURI, schemelessOptions), parse(relativeURI, schemelessOptions), schemelessOptions, true), schemelessOptions);
|
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| 444 | }
|
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| 445 | ;
|
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| 446 | export function normalize(uri, options) {
|
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| 447 | if (typeof uri === "string") {
|
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| 448 | uri = serialize(parse(uri, options), options);
|
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| 449 | }
|
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| 450 | else if (typeOf(uri) === "object") {
|
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| 451 | uri = parse(serialize(uri, options), options);
|
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| 452 | }
|
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| 453 | return uri;
|
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| 454 | }
|
---|
| 455 | ;
|
---|
| 456 | export function equal(uriA, uriB, options) {
|
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| 457 | if (typeof uriA === "string") {
|
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| 458 | uriA = serialize(parse(uriA, options), options);
|
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| 459 | }
|
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| 460 | else if (typeOf(uriA) === "object") {
|
---|
| 461 | uriA = serialize(uriA, options);
|
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| 462 | }
|
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| 463 | if (typeof uriB === "string") {
|
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| 464 | uriB = serialize(parse(uriB, options), options);
|
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| 465 | }
|
---|
| 466 | else if (typeOf(uriB) === "object") {
|
---|
| 467 | uriB = serialize(uriB, options);
|
---|
| 468 | }
|
---|
| 469 | return uriA === uriB;
|
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| 470 | }
|
---|
| 471 | ;
|
---|
| 472 | export function escapeComponent(str, options) {
|
---|
| 473 | return str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.ESCAPE : IRI_PROTOCOL.ESCAPE), pctEncChar);
|
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| 474 | }
|
---|
| 475 | ;
|
---|
| 476 | export function unescapeComponent(str, options) {
|
---|
| 477 | return str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.PCT_ENCODED : IRI_PROTOCOL.PCT_ENCODED), pctDecChars);
|
---|
| 478 | }
|
---|
| 479 | ;
|
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| 480 | //# sourceMappingURL=uri.js.map |
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