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 | }
|
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455 | ;
|
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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") {
|
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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") {
|
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467 | uriB = serialize(uriB, options);
|
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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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