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610bd8d567
Reorder slashed protocols so they are grouped by protocol name. This is done so it doesn't look like we're duplicating protocol names at the bottom of the list. PR-URL: https://github.com/nodejs/node/pull/5380 Reviewed-By: Evan Lucas <evanlucas@me.com>
986 lines
28 KiB
JavaScript
986 lines
28 KiB
JavaScript
'use strict';
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const punycode = require('punycode');
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exports.parse = urlParse;
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exports.resolve = urlResolve;
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exports.resolveObject = urlResolveObject;
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exports.format = urlFormat;
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exports.Url = Url;
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function Url() {
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this.protocol = null;
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this.slashes = null;
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this.auth = null;
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this.host = null;
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this.port = null;
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this.hostname = null;
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this.hash = null;
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this.search = null;
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this.query = null;
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this.pathname = null;
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this.path = null;
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this.href = null;
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}
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// Reference: RFC 3986, RFC 1808, RFC 2396
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// define these here so at least they only have to be
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// compiled once on the first module load.
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const protocolPattern = /^([a-z0-9.+-]+:)/i;
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const portPattern = /:[0-9]*$/;
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// Special case for a simple path URL
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const simplePathPattern = /^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/;
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const hostnameMaxLen = 255;
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// protocols that can allow "unsafe" and "unwise" chars.
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const unsafeProtocol = {
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'javascript': true,
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'javascript:': true
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};
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// protocols that never have a hostname.
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const hostlessProtocol = {
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'javascript': true,
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'javascript:': true
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};
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// protocols that always contain a // bit.
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const slashedProtocol = {
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'http': true,
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'http:': true,
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'https': true,
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'https:': true,
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'ftp': true,
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'ftp:': true,
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'gopher': true,
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'gopher:': true,
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'file': true,
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'file:': true
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};
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const querystring = require('querystring');
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function urlParse(url, parseQueryString, slashesDenoteHost) {
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if (url instanceof Url) return url;
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var u = new Url();
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u.parse(url, parseQueryString, slashesDenoteHost);
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return u;
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}
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Url.prototype.parse = function(url, parseQueryString, slashesDenoteHost) {
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if (typeof url !== 'string') {
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throw new TypeError('Parameter "url" must be a string, not ' + typeof url);
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}
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// Copy chrome, IE, opera backslash-handling behavior.
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// Back slashes before the query string get converted to forward slashes
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// See: https://code.google.com/p/chromium/issues/detail?id=25916
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var hasHash = false;
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var start = -1;
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var end = -1;
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var rest = '';
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var lastPos = 0;
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var i = 0;
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for (var inWs = false, split = false; i < url.length; ++i) {
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const code = url.charCodeAt(i);
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// Find first and last non-whitespace characters for trimming
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const isWs = code === 32/* */ ||
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code === 9/*\t*/ ||
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code === 13/*\r*/ ||
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code === 10/*\n*/ ||
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code === 12/*\f*/ ||
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code === 160/*\u00A0*/ ||
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code === 65279/*\uFEFF*/;
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if (start === -1) {
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if (isWs)
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continue;
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lastPos = start = i;
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} else {
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if (inWs) {
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if (!isWs) {
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end = -1;
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inWs = false;
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}
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} else if (isWs) {
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end = i;
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inWs = true;
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}
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}
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// Only convert backslashes while we haven't seen a split character
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if (!split) {
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switch (code) {
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case 35: // '#'
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hasHash = true;
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// Fall through
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case 63: // '?'
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split = true;
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break;
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case 92: // '\\'
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if (i - lastPos > 0)
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rest += url.slice(lastPos, i);
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rest += '/';
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lastPos = i + 1;
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break;
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}
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} else if (!hasHash && code === 35/*#*/) {
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hasHash = true;
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}
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}
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// Check if string was non-empty (including strings with only whitespace)
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if (start !== -1) {
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if (lastPos === start) {
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// We didn't convert any backslashes
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if (end === -1) {
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if (start === 0)
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rest = url;
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else
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rest = url.slice(start);
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} else {
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rest = url.slice(start, end);
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}
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} else if (end === -1 && lastPos < url.length) {
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// We converted some backslashes and have only part of the entire string
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rest += url.slice(lastPos);
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} else if (end !== -1 && lastPos < end) {
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// We converted some backslashes and have only part of the entire string
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rest += url.slice(lastPos, end);
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}
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}
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if (!slashesDenoteHost && !hasHash) {
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// Try fast path regexp
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const simplePath = simplePathPattern.exec(rest);
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if (simplePath) {
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this.path = rest;
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this.href = rest;
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this.pathname = simplePath[1];
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if (simplePath[2]) {
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this.search = simplePath[2];
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if (parseQueryString) {
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this.query = querystring.parse(this.search.slice(1));
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} else {
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this.query = this.search.slice(1);
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}
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} else if (parseQueryString) {
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this.search = '';
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this.query = {};
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}
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return this;
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}
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}
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var proto = protocolPattern.exec(rest);
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if (proto) {
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proto = proto[0];
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var lowerProto = proto.toLowerCase();
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this.protocol = lowerProto;
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rest = rest.slice(proto.length);
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}
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// figure out if it's got a host
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// user@server is *always* interpreted as a hostname, and url
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// resolution will treat //foo/bar as host=foo,path=bar because that's
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// how the browser resolves relative URLs.
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if (slashesDenoteHost || proto || /^\/\/[^@\/]+@[^@\/]+/.test(rest)) {
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var slashes = rest.charCodeAt(0) === 47/*/*/ &&
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rest.charCodeAt(1) === 47/*/*/;
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if (slashes && !(proto && hostlessProtocol[proto])) {
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rest = rest.slice(2);
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this.slashes = true;
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}
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}
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if (!hostlessProtocol[proto] &&
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(slashes || (proto && !slashedProtocol[proto]))) {
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// there's a hostname.
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// the first instance of /, ?, ;, or # ends the host.
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//
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// If there is an @ in the hostname, then non-host chars *are* allowed
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// to the left of the last @ sign, unless some host-ending character
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// comes *before* the @-sign.
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// URLs are obnoxious.
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//
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// ex:
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// http://a@b@c/ => user:a@b host:c
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// http://a@b?@c => user:a host:b path:/?@c
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// v0.12 TODO(isaacs): This is not quite how Chrome does things.
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// Review our test case against browsers more comprehensively.
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var hostEnd = -1;
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var atSign = -1;
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var nonHost = -1;
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for (i = 0; i < rest.length; ++i) {
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switch (rest.charCodeAt(i)) {
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case 9: // '\t'
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case 10: // '\n'
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case 13: // '\r'
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case 32: // ' '
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case 34: // '"'
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case 37: // '%'
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case 39: // '\''
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case 59: // ';'
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case 60: // '<'
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case 62: // '>'
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case 92: // '\\'
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case 94: // '^'
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case 96: // '`'
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case 123: // '{'
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case 124: // '|'
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case 125: // '}'
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// Characters that are never ever allowed in a hostname from RFC 2396
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if (nonHost === -1)
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nonHost = i;
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break;
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case 35: // '#'
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case 47: // '/'
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case 63: // '?'
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// Find the first instance of any host-ending characters
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if (nonHost === -1)
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nonHost = i;
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hostEnd = i;
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break;
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case 64: // '@'
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// At this point, either we have an explicit point where the
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// auth portion cannot go past, or the last @ char is the decider.
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atSign = i;
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nonHost = -1;
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break;
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}
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if (hostEnd !== -1)
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break;
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}
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start = 0;
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if (atSign !== -1) {
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this.auth = decodeURIComponent(rest.slice(0, atSign));
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start = atSign + 1;
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}
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if (nonHost === -1) {
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this.host = rest.slice(start);
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rest = '';
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} else {
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this.host = rest.slice(start, nonHost);
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rest = rest.slice(nonHost);
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}
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// pull out port.
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this.parseHost();
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// we've indicated that there is a hostname,
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// so even if it's empty, it has to be present.
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if (typeof this.hostname !== 'string')
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this.hostname = '';
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var hostname = this.hostname;
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// if hostname begins with [ and ends with ]
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// assume that it's an IPv6 address.
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var ipv6Hostname = hostname.charCodeAt(0) === 91/*[*/ &&
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hostname.charCodeAt(hostname.length - 1) === 93/*]*/;
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// validate a little.
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if (!ipv6Hostname) {
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const result = validateHostname(this, rest, hostname);
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if (result !== undefined)
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rest = result;
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}
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if (this.hostname.length > hostnameMaxLen) {
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this.hostname = '';
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} else {
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// hostnames are always lower case.
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this.hostname = this.hostname.toLowerCase();
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}
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if (!ipv6Hostname) {
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// IDNA Support: Returns a punycoded representation of "domain".
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// It only converts parts of the domain name that
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// have non-ASCII characters, i.e. it doesn't matter if
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// you call it with a domain that already is ASCII-only.
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this.hostname = punycode.toASCII(this.hostname);
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}
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var p = this.port ? ':' + this.port : '';
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var h = this.hostname || '';
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this.host = h + p;
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// strip [ and ] from the hostname
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// the host field still retains them, though
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if (ipv6Hostname) {
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this.hostname = this.hostname.slice(1, -1);
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if (rest[0] !== '/') {
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rest = '/' + rest;
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}
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}
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}
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// now rest is set to the post-host stuff.
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// chop off any delim chars.
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if (!unsafeProtocol[lowerProto]) {
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// First, make 100% sure that any "autoEscape" chars get
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// escaped, even if encodeURIComponent doesn't think they
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// need to be.
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const result = autoEscapeStr(rest);
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if (result !== undefined)
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rest = result;
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}
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var questionIdx = -1;
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var hashIdx = -1;
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for (i = 0; i < rest.length; ++i) {
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const code = rest.charCodeAt(i);
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if (code === 35/*#*/) {
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this.hash = rest.slice(i);
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hashIdx = i;
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break;
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} else if (code === 63/*?*/ && questionIdx === -1) {
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questionIdx = i;
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}
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}
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if (questionIdx !== -1) {
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if (hashIdx === -1) {
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this.search = rest.slice(questionIdx);
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this.query = rest.slice(questionIdx + 1);
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} else {
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this.search = rest.slice(questionIdx, hashIdx);
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this.query = rest.slice(questionIdx + 1, hashIdx);
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}
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if (parseQueryString) {
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this.query = querystring.parse(this.query);
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}
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} else if (parseQueryString) {
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// no query string, but parseQueryString still requested
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this.search = '';
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this.query = {};
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}
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var firstIdx = (questionIdx !== -1 &&
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(hashIdx === -1 || questionIdx < hashIdx)
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? questionIdx
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: hashIdx);
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if (firstIdx === -1) {
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if (rest.length > 0)
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this.pathname = rest;
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} else if (firstIdx > 0) {
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this.pathname = rest.slice(0, firstIdx);
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}
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if (slashedProtocol[lowerProto] &&
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this.hostname && !this.pathname) {
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this.pathname = '/';
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}
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// to support http.request
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if (this.pathname || this.search) {
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const p = this.pathname || '';
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const s = this.search || '';
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this.path = p + s;
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}
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// finally, reconstruct the href based on what has been validated.
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this.href = this.format();
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return this;
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};
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function validateHostname(self, rest, hostname) {
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for (var i = 0, lastPos; i <= hostname.length; ++i) {
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var code;
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if (i < hostname.length)
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code = hostname.charCodeAt(i);
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if (code === 46/*.*/ || i === hostname.length) {
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if (i - lastPos > 0) {
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if (i - lastPos > 63) {
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self.hostname = hostname.slice(0, lastPos + 63);
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return '/' + hostname.slice(lastPos + 63) + rest;
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}
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}
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lastPos = i + 1;
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continue;
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} else if ((code >= 48/*0*/ && code <= 57/*9*/) ||
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(code >= 97/*a*/ && code <= 122/*z*/) ||
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code === 45/*-*/ ||
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(code >= 65/*A*/ && code <= 90/*Z*/) ||
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code === 43/*+*/ ||
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code === 95/*_*/ ||
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code > 127) {
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continue;
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}
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// Invalid host character
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self.hostname = hostname.slice(0, i);
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if (i < hostname.length)
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return '/' + hostname.slice(i) + rest;
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break;
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}
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}
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function autoEscapeStr(rest) {
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var newRest = '';
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var lastPos = 0;
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for (var i = 0; i < rest.length; ++i) {
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// Automatically escape all delimiters and unwise characters from RFC 2396
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// Also escape single quotes in case of an XSS attack
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switch (rest.charCodeAt(i)) {
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case 9: // '\t'
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if (i - lastPos > 0)
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newRest += rest.slice(lastPos, i);
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newRest += '%09';
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lastPos = i + 1;
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break;
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case 10: // '\n'
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if (i - lastPos > 0)
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newRest += rest.slice(lastPos, i);
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newRest += '%0A';
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lastPos = i + 1;
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break;
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case 13: // '\r'
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if (i - lastPos > 0)
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newRest += rest.slice(lastPos, i);
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newRest += '%0D';
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lastPos = i + 1;
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break;
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case 32: // ' '
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if (i - lastPos > 0)
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newRest += rest.slice(lastPos, i);
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newRest += '%20';
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lastPos = i + 1;
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break;
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case 34: // '"'
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if (i - lastPos > 0)
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newRest += rest.slice(lastPos, i);
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newRest += '%22';
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lastPos = i + 1;
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break;
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case 39: // '\''
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if (i - lastPos > 0)
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newRest += rest.slice(lastPos, i);
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newRest += '%27';
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lastPos = i + 1;
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break;
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case 60: // '<'
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if (i - lastPos > 0)
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newRest += rest.slice(lastPos, i);
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newRest += '%3C';
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lastPos = i + 1;
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break;
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case 62: // '>'
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if (i - lastPos > 0)
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newRest += rest.slice(lastPos, i);
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newRest += '%3E';
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lastPos = i + 1;
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break;
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case 92: // '\\'
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if (i - lastPos > 0)
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newRest += rest.slice(lastPos, i);
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newRest += '%5C';
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lastPos = i + 1;
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break;
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case 94: // '^'
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if (i - lastPos > 0)
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newRest += rest.slice(lastPos, i);
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newRest += '%5E';
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lastPos = i + 1;
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break;
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case 96: // '`'
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if (i - lastPos > 0)
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newRest += rest.slice(lastPos, i);
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newRest += '%60';
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lastPos = i + 1;
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break;
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case 123: // '{'
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if (i - lastPos > 0)
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newRest += rest.slice(lastPos, i);
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newRest += '%7B';
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lastPos = i + 1;
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break;
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case 124: // '|'
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if (i - lastPos > 0)
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newRest += rest.slice(lastPos, i);
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newRest += '%7C';
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lastPos = i + 1;
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break;
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case 125: // '}'
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if (i - lastPos > 0)
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newRest += rest.slice(lastPos, i);
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newRest += '%7D';
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lastPos = i + 1;
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break;
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}
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}
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if (lastPos === 0)
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return;
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if (lastPos < rest.length)
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return newRest + rest.slice(lastPos);
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else
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return newRest;
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}
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|
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// format a parsed object into a url string
|
|
function urlFormat(obj) {
|
|
// ensure it's an object, and not a string url.
|
|
// If it's an obj, this is a no-op.
|
|
// this way, you can call url_format() on strings
|
|
// to clean up potentially wonky urls.
|
|
if (typeof obj === 'string') obj = urlParse(obj);
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else if (typeof obj !== 'object' || obj === null)
|
|
throw new TypeError('Parameter "urlObj" must be an object, not ' +
|
|
obj === null ? 'null' : typeof obj);
|
|
|
|
else if (!(obj instanceof Url)) return Url.prototype.format.call(obj);
|
|
|
|
return obj.format();
|
|
}
|
|
|
|
Url.prototype.format = function() {
|
|
var auth = this.auth || '';
|
|
if (auth) {
|
|
auth = encodeAuth(auth);
|
|
auth += '@';
|
|
}
|
|
|
|
var protocol = this.protocol || '';
|
|
var pathname = this.pathname || '';
|
|
var hash = this.hash || '';
|
|
var host = false;
|
|
var query = '';
|
|
|
|
if (this.host) {
|
|
host = auth + this.host;
|
|
} else if (this.hostname) {
|
|
host = auth + (this.hostname.indexOf(':') === -1 ?
|
|
this.hostname :
|
|
'[' + this.hostname + ']');
|
|
if (this.port) {
|
|
host += ':' + this.port;
|
|
}
|
|
}
|
|
|
|
if (this.query !== null && typeof this.query === 'object')
|
|
query = querystring.stringify(this.query);
|
|
|
|
var search = this.search || (query && ('?' + query)) || '';
|
|
|
|
if (protocol && protocol.charCodeAt(protocol.length - 1) !== 58/*:*/)
|
|
protocol += ':';
|
|
|
|
var newPathname = '';
|
|
var lastPos = 0;
|
|
for (var i = 0; i < pathname.length; ++i) {
|
|
switch (pathname.charCodeAt(i)) {
|
|
case 35: // '#'
|
|
if (i - lastPos > 0)
|
|
newPathname += pathname.slice(lastPos, i);
|
|
newPathname += '%23';
|
|
lastPos = i + 1;
|
|
break;
|
|
case 63: // '?'
|
|
if (i - lastPos > 0)
|
|
newPathname += pathname.slice(lastPos, i);
|
|
newPathname += '%3F';
|
|
lastPos = i + 1;
|
|
break;
|
|
}
|
|
}
|
|
if (lastPos > 0) {
|
|
if (lastPos !== pathname.length)
|
|
pathname = newPathname + pathname.slice(lastPos);
|
|
else
|
|
pathname = newPathname;
|
|
}
|
|
|
|
// only the slashedProtocols get the //. Not mailto:, xmpp:, etc.
|
|
// unless they had them to begin with.
|
|
if (this.slashes ||
|
|
(!protocol || slashedProtocol[protocol]) && host !== false) {
|
|
host = '//' + (host || '');
|
|
if (pathname && pathname.charCodeAt(0) !== 47/*/*/)
|
|
pathname = '/' + pathname;
|
|
} else if (!host) {
|
|
host = '';
|
|
}
|
|
|
|
search = search.replace('#', '%23');
|
|
|
|
if (hash && hash.charCodeAt(0) !== 35/*#*/) hash = '#' + hash;
|
|
if (search && search.charCodeAt(0) !== 63/*?*/) search = '?' + search;
|
|
|
|
return protocol + host + pathname + search + hash;
|
|
};
|
|
|
|
function urlResolve(source, relative) {
|
|
return urlParse(source, false, true).resolve(relative);
|
|
}
|
|
|
|
Url.prototype.resolve = function(relative) {
|
|
return this.resolveObject(urlParse(relative, false, true)).format();
|
|
};
|
|
|
|
function urlResolveObject(source, relative) {
|
|
if (!source) return relative;
|
|
return urlParse(source, false, true).resolveObject(relative);
|
|
}
|
|
|
|
Url.prototype.resolveObject = function(relative) {
|
|
if (typeof relative === 'string') {
|
|
var rel = new Url();
|
|
rel.parse(relative, false, true);
|
|
relative = rel;
|
|
}
|
|
|
|
var result = new Url();
|
|
var tkeys = Object.keys(this);
|
|
for (var tk = 0; tk < tkeys.length; tk++) {
|
|
var tkey = tkeys[tk];
|
|
result[tkey] = this[tkey];
|
|
}
|
|
|
|
// hash is always overridden, no matter what.
|
|
// even href="" will remove it.
|
|
result.hash = relative.hash;
|
|
|
|
// if the relative url is empty, then there's nothing left to do here.
|
|
if (relative.href === '') {
|
|
result.href = result.format();
|
|
return result;
|
|
}
|
|
|
|
// hrefs like //foo/bar always cut to the protocol.
|
|
if (relative.slashes && !relative.protocol) {
|
|
// take everything except the protocol from relative
|
|
var rkeys = Object.keys(relative);
|
|
for (var rk = 0; rk < rkeys.length; rk++) {
|
|
var rkey = rkeys[rk];
|
|
if (rkey !== 'protocol')
|
|
result[rkey] = relative[rkey];
|
|
}
|
|
|
|
//urlParse appends trailing / to urls like http://www.example.com
|
|
if (slashedProtocol[result.protocol] &&
|
|
result.hostname && !result.pathname) {
|
|
result.path = result.pathname = '/';
|
|
}
|
|
|
|
result.href = result.format();
|
|
return result;
|
|
}
|
|
|
|
if (relative.protocol && relative.protocol !== result.protocol) {
|
|
// if it's a known url protocol, then changing
|
|
// the protocol does weird things
|
|
// first, if it's not file:, then we MUST have a host,
|
|
// and if there was a path
|
|
// to begin with, then we MUST have a path.
|
|
// if it is file:, then the host is dropped,
|
|
// because that's known to be hostless.
|
|
// anything else is assumed to be absolute.
|
|
if (!slashedProtocol[relative.protocol]) {
|
|
var keys = Object.keys(relative);
|
|
for (var v = 0; v < keys.length; v++) {
|
|
var k = keys[v];
|
|
result[k] = relative[k];
|
|
}
|
|
result.href = result.format();
|
|
return result;
|
|
}
|
|
|
|
result.protocol = relative.protocol;
|
|
if (!relative.host &&
|
|
!/^file:?$/.test(relative.protocol) &&
|
|
!hostlessProtocol[relative.protocol]) {
|
|
const relPath = (relative.pathname || '').split('/');
|
|
while (relPath.length && !(relative.host = relPath.shift()));
|
|
if (!relative.host) relative.host = '';
|
|
if (!relative.hostname) relative.hostname = '';
|
|
if (relPath[0] !== '') relPath.unshift('');
|
|
if (relPath.length < 2) relPath.unshift('');
|
|
result.pathname = relPath.join('/');
|
|
} else {
|
|
result.pathname = relative.pathname;
|
|
}
|
|
result.search = relative.search;
|
|
result.query = relative.query;
|
|
result.host = relative.host || '';
|
|
result.auth = relative.auth;
|
|
result.hostname = relative.hostname || relative.host;
|
|
result.port = relative.port;
|
|
// to support http.request
|
|
if (result.pathname || result.search) {
|
|
var p = result.pathname || '';
|
|
var s = result.search || '';
|
|
result.path = p + s;
|
|
}
|
|
result.slashes = result.slashes || relative.slashes;
|
|
result.href = result.format();
|
|
return result;
|
|
}
|
|
|
|
var isSourceAbs = (result.pathname && result.pathname.charAt(0) === '/');
|
|
var isRelAbs = (
|
|
relative.host ||
|
|
relative.pathname && relative.pathname.charAt(0) === '/'
|
|
);
|
|
var mustEndAbs = (isRelAbs || isSourceAbs ||
|
|
(result.host && relative.pathname));
|
|
var removeAllDots = mustEndAbs;
|
|
var srcPath = result.pathname && result.pathname.split('/') || [];
|
|
var relPath = relative.pathname && relative.pathname.split('/') || [];
|
|
var psychotic = result.protocol && !slashedProtocol[result.protocol];
|
|
|
|
// if the url is a non-slashed url, then relative
|
|
// links like ../.. should be able
|
|
// to crawl up to the hostname, as well. This is strange.
|
|
// result.protocol has already been set by now.
|
|
// Later on, put the first path part into the host field.
|
|
if (psychotic) {
|
|
result.hostname = '';
|
|
result.port = null;
|
|
if (result.host) {
|
|
if (srcPath[0] === '') srcPath[0] = result.host;
|
|
else srcPath.unshift(result.host);
|
|
}
|
|
result.host = '';
|
|
if (relative.protocol) {
|
|
relative.hostname = null;
|
|
relative.port = null;
|
|
if (relative.host) {
|
|
if (relPath[0] === '') relPath[0] = relative.host;
|
|
else relPath.unshift(relative.host);
|
|
}
|
|
relative.host = null;
|
|
}
|
|
mustEndAbs = mustEndAbs && (relPath[0] === '' || srcPath[0] === '');
|
|
}
|
|
|
|
if (isRelAbs) {
|
|
// it's absolute.
|
|
result.host = (relative.host || relative.host === '') ?
|
|
relative.host : result.host;
|
|
result.hostname = (relative.hostname || relative.hostname === '') ?
|
|
relative.hostname : result.hostname;
|
|
result.search = relative.search;
|
|
result.query = relative.query;
|
|
srcPath = relPath;
|
|
// fall through to the dot-handling below.
|
|
} else if (relPath.length) {
|
|
// it's relative
|
|
// throw away the existing file, and take the new path instead.
|
|
if (!srcPath) srcPath = [];
|
|
srcPath.pop();
|
|
srcPath = srcPath.concat(relPath);
|
|
result.search = relative.search;
|
|
result.query = relative.query;
|
|
} else if (relative.search !== null && relative.search !== undefined) {
|
|
// just pull out the search.
|
|
// like href='?foo'.
|
|
// Put this after the other two cases because it simplifies the booleans
|
|
if (psychotic) {
|
|
result.hostname = result.host = srcPath.shift();
|
|
//occasionally the auth can get stuck only in host
|
|
//this especially happens in cases like
|
|
//url.resolveObject('mailto:local1@domain1', 'local2@domain2')
|
|
const authInHost = result.host && result.host.indexOf('@') > 0 ?
|
|
result.host.split('@') : false;
|
|
if (authInHost) {
|
|
result.auth = authInHost.shift();
|
|
result.host = result.hostname = authInHost.shift();
|
|
}
|
|
}
|
|
result.search = relative.search;
|
|
result.query = relative.query;
|
|
//to support http.request
|
|
if (result.pathname !== null || result.search !== null) {
|
|
result.path = (result.pathname ? result.pathname : '') +
|
|
(result.search ? result.search : '');
|
|
}
|
|
result.href = result.format();
|
|
return result;
|
|
}
|
|
|
|
if (!srcPath.length) {
|
|
// no path at all. easy.
|
|
// we've already handled the other stuff above.
|
|
result.pathname = null;
|
|
//to support http.request
|
|
if (result.search) {
|
|
result.path = '/' + result.search;
|
|
} else {
|
|
result.path = null;
|
|
}
|
|
result.href = result.format();
|
|
return result;
|
|
}
|
|
|
|
// if a url ENDs in . or .., then it must get a trailing slash.
|
|
// however, if it ends in anything else non-slashy,
|
|
// then it must NOT get a trailing slash.
|
|
var last = srcPath.slice(-1)[0];
|
|
var hasTrailingSlash = (
|
|
(result.host || relative.host || srcPath.length > 1) &&
|
|
(last === '.' || last === '..') || last === '');
|
|
|
|
// strip single dots, resolve double dots to parent dir
|
|
// if the path tries to go above the root, `up` ends up > 0
|
|
var up = 0;
|
|
for (var i = srcPath.length; i >= 0; i--) {
|
|
last = srcPath[i];
|
|
if (last === '.') {
|
|
spliceOne(srcPath, i);
|
|
} else if (last === '..') {
|
|
spliceOne(srcPath, i);
|
|
up++;
|
|
} else if (up) {
|
|
spliceOne(srcPath, i);
|
|
up--;
|
|
}
|
|
}
|
|
|
|
// if the path is allowed to go above the root, restore leading ..s
|
|
if (!mustEndAbs && !removeAllDots) {
|
|
for (; up--; up) {
|
|
srcPath.unshift('..');
|
|
}
|
|
}
|
|
|
|
if (mustEndAbs && srcPath[0] !== '' &&
|
|
(!srcPath[0] || srcPath[0].charAt(0) !== '/')) {
|
|
srcPath.unshift('');
|
|
}
|
|
|
|
if (hasTrailingSlash && (srcPath.join('/').substr(-1) !== '/')) {
|
|
srcPath.push('');
|
|
}
|
|
|
|
var isAbsolute = srcPath[0] === '' ||
|
|
(srcPath[0] && srcPath[0].charAt(0) === '/');
|
|
|
|
// put the host back
|
|
if (psychotic) {
|
|
result.hostname = result.host = isAbsolute ? '' :
|
|
srcPath.length ? srcPath.shift() : '';
|
|
//occasionally the auth can get stuck only in host
|
|
//this especially happens in cases like
|
|
//url.resolveObject('mailto:local1@domain1', 'local2@domain2')
|
|
const authInHost = result.host && result.host.indexOf('@') > 0 ?
|
|
result.host.split('@') : false;
|
|
if (authInHost) {
|
|
result.auth = authInHost.shift();
|
|
result.host = result.hostname = authInHost.shift();
|
|
}
|
|
}
|
|
|
|
mustEndAbs = mustEndAbs || (result.host && srcPath.length);
|
|
|
|
if (mustEndAbs && !isAbsolute) {
|
|
srcPath.unshift('');
|
|
}
|
|
|
|
if (!srcPath.length) {
|
|
result.pathname = null;
|
|
result.path = null;
|
|
} else {
|
|
result.pathname = srcPath.join('/');
|
|
}
|
|
|
|
//to support request.http
|
|
if (result.pathname !== null || result.search !== null) {
|
|
result.path = (result.pathname ? result.pathname : '') +
|
|
(result.search ? result.search : '');
|
|
}
|
|
result.auth = relative.auth || result.auth;
|
|
result.slashes = result.slashes || relative.slashes;
|
|
result.href = result.format();
|
|
return result;
|
|
};
|
|
|
|
Url.prototype.parseHost = function() {
|
|
var host = this.host;
|
|
var port = portPattern.exec(host);
|
|
if (port) {
|
|
port = port[0];
|
|
if (port !== ':') {
|
|
this.port = port.slice(1);
|
|
}
|
|
host = host.slice(0, host.length - port.length);
|
|
}
|
|
if (host) this.hostname = host;
|
|
};
|
|
|
|
// About 1.5x faster than the two-arg version of Array#splice().
|
|
function spliceOne(list, index) {
|
|
for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1)
|
|
list[i] = list[k];
|
|
list.pop();
|
|
}
|
|
|
|
var hexTable = new Array(256);
|
|
for (var i = 0; i < 256; ++i)
|
|
hexTable[i] = '%' + ((i < 16 ? '0' : '') + i.toString(16)).toUpperCase();
|
|
function encodeAuth(str) {
|
|
// faster encodeURIComponent alternative for encoding auth uri components
|
|
var out = '';
|
|
var lastPos = 0;
|
|
for (var i = 0; i < str.length; ++i) {
|
|
var c = str.charCodeAt(i);
|
|
|
|
// These characters do not need escaping:
|
|
// ! - . _ ~
|
|
// ' ( ) * :
|
|
// digits
|
|
// alpha (uppercase)
|
|
// alpha (lowercase)
|
|
if (c === 0x21 || c === 0x2D || c === 0x2E || c === 0x5F || c === 0x7E ||
|
|
(c >= 0x27 && c <= 0x2A) ||
|
|
(c >= 0x30 && c <= 0x3A) ||
|
|
(c >= 0x41 && c <= 0x5A) ||
|
|
(c >= 0x61 && c <= 0x7A)) {
|
|
continue;
|
|
}
|
|
|
|
if (i - lastPos > 0)
|
|
out += str.slice(lastPos, i);
|
|
|
|
lastPos = i + 1;
|
|
|
|
// Other ASCII characters
|
|
if (c < 0x80) {
|
|
out += hexTable[c];
|
|
continue;
|
|
}
|
|
|
|
// Multi-byte characters ...
|
|
if (c < 0x800) {
|
|
out += hexTable[0xC0 | (c >> 6)] + hexTable[0x80 | (c & 0x3F)];
|
|
continue;
|
|
}
|
|
if (c < 0xD800 || c >= 0xE000) {
|
|
out += hexTable[0xE0 | (c >> 12)] +
|
|
hexTable[0x80 | ((c >> 6) & 0x3F)] +
|
|
hexTable[0x80 | (c & 0x3F)];
|
|
continue;
|
|
}
|
|
// Surrogate pair
|
|
++i;
|
|
var c2;
|
|
if (i < str.length)
|
|
c2 = str.charCodeAt(i) & 0x3FF;
|
|
else
|
|
c2 = 0;
|
|
c = 0x10000 + (((c & 0x3FF) << 10) | c2);
|
|
out += hexTable[0xF0 | (c >> 18)] +
|
|
hexTable[0x80 | ((c >> 12) & 0x3F)] +
|
|
hexTable[0x80 | ((c >> 6) & 0x3F)] +
|
|
hexTable[0x80 | (c & 0x3F)];
|
|
}
|
|
if (lastPos === 0)
|
|
return str;
|
|
if (lastPos < str.length)
|
|
return out + str.slice(lastPos);
|
|
return out;
|
|
}
|