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- 'use strict';
- const Assert = require('@hapi/hoek/lib/assert');
- const EscapeRegex = require('@hapi/hoek/lib/escapeRegex');
- const internals = {};
- internals.generate = function () {
- const rfc3986 = {};
- const hexDigit = '\\dA-Fa-f';
- const hexDigitOnly = '[' + hexDigit + ']';
- const unreserved = '\\w-\\.~';
- const subDelims = '!\\$&\'\\(\\)\\*\\+,;=';
- const pctEncoded = '%' + hexDigit;
- const pchar = unreserved + pctEncoded + subDelims + ':@';
- const pcharOnly = '[' + pchar + ']';
- const decOctect = '(?:0{0,2}\\d|0?[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])';
- rfc3986.ipv4address = '(?:' + decOctect + '\\.){3}' + decOctect;
-
- const h16 = hexDigitOnly + '{1,4}';
- const ls32 = '(?:' + h16 + ':' + h16 + '|' + rfc3986.ipv4address + ')';
- const IPv6SixHex = '(?:' + h16 + ':){6}' + ls32;
- const IPv6FiveHex = '::(?:' + h16 + ':){5}' + ls32;
- const IPv6FourHex = '(?:' + h16 + ')?::(?:' + h16 + ':){4}' + ls32;
- const IPv6ThreeHex = '(?:(?:' + h16 + ':){0,1}' + h16 + ')?::(?:' + h16 + ':){3}' + ls32;
- const IPv6TwoHex = '(?:(?:' + h16 + ':){0,2}' + h16 + ')?::(?:' + h16 + ':){2}' + ls32;
- const IPv6OneHex = '(?:(?:' + h16 + ':){0,3}' + h16 + ')?::' + h16 + ':' + ls32;
- const IPv6NoneHex = '(?:(?:' + h16 + ':){0,4}' + h16 + ')?::' + ls32;
- const IPv6NoneHex2 = '(?:(?:' + h16 + ':){0,5}' + h16 + ')?::' + h16;
- const IPv6NoneHex3 = '(?:(?:' + h16 + ':){0,6}' + h16 + ')?::';
- rfc3986.ipv4Cidr = '(?:\\d|[1-2]\\d|3[0-2])';
- rfc3986.ipv6Cidr = '(?:0{0,2}\\d|0?[1-9]\\d|1[01]\\d|12[0-8])';
- rfc3986.ipv6address = '(?:' + IPv6SixHex + '|' + IPv6FiveHex + '|' + IPv6FourHex + '|' + IPv6ThreeHex + '|' + IPv6TwoHex + '|' + IPv6OneHex + '|' + IPv6NoneHex + '|' + IPv6NoneHex2 + '|' + IPv6NoneHex3 + ')';
- rfc3986.ipvFuture = 'v' + hexDigitOnly + '+\\.[' + unreserved + subDelims + ':]+';
- rfc3986.scheme = '[a-zA-Z][a-zA-Z\\d+-\\.]*';
- rfc3986.schemeRegex = new RegExp(rfc3986.scheme);
- const userinfo = '[' + unreserved + pctEncoded + subDelims + ':]*';
- const IPLiteral = '\\[(?:' + rfc3986.ipv6address + '|' + rfc3986.ipvFuture + ')\\]';
- const regName = '[' + unreserved + pctEncoded + subDelims + ']{1,255}';
- const host = '(?:' + IPLiteral + '|' + rfc3986.ipv4address + '|' + regName + ')';
- const port = '\\d*';
- const authority = '(?:' + userinfo + '@)?' + host + '(?::' + port + ')?';
- const authorityCapture = '(?:' + userinfo + '@)?(' + host + ')(?::' + port + ')?';
-
- const segment = pcharOnly + '*';
- const segmentNz = pcharOnly + '+';
- const segmentNzNc = '[' + unreserved + pctEncoded + subDelims + '@' + ']+';
- const pathEmpty = '';
- const pathAbEmpty = '(?:\\/' + segment + ')*';
- const pathAbsolute = '\\/(?:' + segmentNz + pathAbEmpty + ')?';
- const pathRootless = segmentNz + pathAbEmpty;
- const pathNoScheme = segmentNzNc + pathAbEmpty;
- const pathAbNoAuthority = '(?:\\/\\/\\/' + segment + pathAbEmpty + ')';
-
- rfc3986.hierPart = '(?:' + '(?:\\/\\/' + authority + pathAbEmpty + ')' + '|' + pathAbsolute + '|' + pathRootless + '|' + pathAbNoAuthority + ')';
- rfc3986.hierPartCapture = '(?:' + '(?:\\/\\/' + authorityCapture + pathAbEmpty + ')' + '|' + pathAbsolute + '|' + pathRootless + ')';
-
- rfc3986.relativeRef = '(?:' + '(?:\\/\\/' + authority + pathAbEmpty + ')' + '|' + pathAbsolute + '|' + pathNoScheme + '|' + pathEmpty + ')';
- rfc3986.relativeRefCapture = '(?:' + '(?:\\/\\/' + authorityCapture + pathAbEmpty + ')' + '|' + pathAbsolute + '|' + pathNoScheme + '|' + pathEmpty + ')';
-
-
- rfc3986.query = '[' + pchar + '\\/\\?]*(?=#|$)';
- rfc3986.queryWithSquareBrackets = '[' + pchar + '\\[\\]\\/\\?]*(?=#|$)';
-
- rfc3986.fragment = '[' + pchar + '\\/\\?]*';
- return rfc3986;
- };
- internals.rfc3986 = internals.generate();
- exports.ip = {
- v4Cidr: internals.rfc3986.ipv4Cidr,
- v6Cidr: internals.rfc3986.ipv6Cidr,
- ipv4: internals.rfc3986.ipv4address,
- ipv6: internals.rfc3986.ipv6address,
- ipvfuture: internals.rfc3986.ipvFuture
- };
- internals.createRegex = function (options) {
- const rfc = internals.rfc3986;
-
- const query = options.allowQuerySquareBrackets ? rfc.queryWithSquareBrackets : rfc.query;
- const suffix = '(?:\\?' + query + ')?' + '(?:#' + rfc.fragment + ')?';
-
- const relative = options.domain ? rfc.relativeRefCapture : rfc.relativeRef;
- if (options.relativeOnly) {
- return internals.wrap(relative + suffix);
- }
-
- let customScheme = '';
- if (options.scheme) {
- Assert(options.scheme instanceof RegExp || typeof options.scheme === 'string' || Array.isArray(options.scheme), 'scheme must be a RegExp, String, or Array');
- const schemes = [].concat(options.scheme);
- Assert(schemes.length >= 1, 'scheme must have at least 1 scheme specified');
-
- const selections = [];
- for (let i = 0; i < schemes.length; ++i) {
- const scheme = schemes[i];
- Assert(scheme instanceof RegExp || typeof scheme === 'string', 'scheme at position ' + i + ' must be a RegExp or String');
- if (scheme instanceof RegExp) {
- selections.push(scheme.source.toString());
- }
- else {
- Assert(rfc.schemeRegex.test(scheme), 'scheme at position ' + i + ' must be a valid scheme');
- selections.push(EscapeRegex(scheme));
- }
- }
- customScheme = selections.join('|');
- }
-
- const scheme = customScheme ? '(?:' + customScheme + ')' : rfc.scheme;
- const absolute = '(?:' + scheme + ':' + (options.domain ? rfc.hierPartCapture : rfc.hierPart) + ')';
- const prefix = options.allowRelative ? '(?:' + absolute + '|' + relative + ')' : absolute;
- return internals.wrap(prefix + suffix, customScheme);
- };
- internals.wrap = function (raw, scheme) {
- raw = `(?=.)(?!https?\:/(?:$|[^/]))(?!https?\:///)(?!https?\:[^/])${raw}`;
- return {
- raw,
- regex: new RegExp(`^${raw}$`),
- scheme
- };
- };
- internals.uriRegex = internals.createRegex({});
- exports.regex = function (options = {}) {
- if (options.scheme ||
- options.allowRelative ||
- options.relativeOnly ||
- options.allowQuerySquareBrackets ||
- options.domain) {
- return internals.createRegex(options);
- }
- return internals.uriRegex;
- };
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