Big Change Update

uBlock0.chromium/js/uri-utils.js

@@ -0,0 +1,175 @@
+/*******************************************************************************
+
+    uBlock Origin - a comprehensive, efficient content blocker
+    Copyright (C) 2014-present Raymond Hill
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see {http://www.gnu.org/licenses/}.
+
+    Home: https://github.com/gorhill/uBlock
+*/
+
+'use strict';
+
+/******************************************************************************/
+
+import publicSuffixList from '../lib/publicsuffixlist/publicsuffixlist.js';
+import punycode from '../lib/punycode.js';
+
+/******************************************************************************/
+
+// Originally:
+// https://github.com/gorhill/uBlock/blob/8b5733a58d3acf9fb62815e14699c986bd1c2fdc/src/js/uritools.js
+
+const reHostnameFromCommonURL =
+    /^https:\/\/[0-9a-z._-]+[0-9a-z]\//;
+const reAuthorityFromURI =
+    /^(?:[^:\/?#]+:)?(\/\/[^\/?#]+)/;
+const reHostFromNakedAuthority =
+    /^[0-9a-z._-]+[0-9a-z]$/i;
+const reHostFromAuthority =
+    /^(?:[^@]*@)?([^:]+)(?::\d*)?$/;
+const reIPv6FromAuthority =
+    /^(?:[^@]*@)?(\[[0-9a-f:]+\])(?::\d*)?$/i;
+const reMustNormalizeHostname =
+    /[^0-9a-z._-]/;
+const reOriginFromURI =
+    /^[^:\/?#]+:\/\/[^\/?#]+/;
+const reHostnameFromNetworkURL =
+    /^(?:http|ws|ftp)s?:\/\/([0-9a-z_][0-9a-z._-]*[0-9a-z])(?::\d+)?\//;
+const reIPAddressNaive =
+    /^\d+\.\d+\.\d+\.\d+$|^\[[\da-zA-Z:]+\]$/;
+const reNetworkURI =
+    /^(?:ftps?|https?|wss?):\/\//;
+
+// For performance purpose, as simple tests as possible
+const reIPv4VeryCoarse = /\.\d+$/;
+const reHostnameVeryCoarse = /[g-z_\-]/;
+
+/******************************************************************************/
+
+function domainFromHostname(hostname) {
+    return reIPAddressNaive.test(hostname)
+        ? hostname
+        : publicSuffixList.getDomain(hostname);
+}
+
+function domainFromURI(uri) {
+    if ( !uri ) { return ''; }
+    return domainFromHostname(hostnameFromURI(uri));
+}
+
+function entityFromDomain(domain) {
+    const pos = domain.indexOf('.');
+    return pos !== -1 ? domain.slice(0, pos) + '.*' : '';
+}
+
+function hostnameFromURI(uri) {
+    let match = reHostnameFromCommonURL.exec(uri);
+    if ( match !== null ) { return match[0].slice(8, -1); }
+    match = reAuthorityFromURI.exec(uri);
+    if ( match === null ) { return ''; }
+    const authority = match[1].slice(2);
+    if ( reHostFromNakedAuthority.test(authority) ) {
+        return authority.toLowerCase();
+    }
+    match = reHostFromAuthority.exec(authority);
+    if ( match === null ) {
+        match = reIPv6FromAuthority.exec(authority);
+        if ( match === null ) { return ''; }
+    }
+    let hostname = match[1];
+    while ( hostname.endsWith('.') ) {
+        hostname = hostname.slice(0, -1);
+    }
+    if ( reMustNormalizeHostname.test(hostname) ) {
+        hostname = punycode.toASCII(hostname.toLowerCase());
+    }
+    return hostname;
+}
+
+function hostnameFromNetworkURL(url) {
+    const matches = reHostnameFromNetworkURL.exec(url);
+    return matches !== null ? matches[1] : '';
+}
+
+function originFromURI(uri) {
+    let match = reHostnameFromCommonURL.exec(uri);
+    if ( match !== null ) { return match[0].slice(0, -1); }
+    match = reOriginFromURI.exec(uri);
+    return match !== null ? match[0].toLowerCase() : '';
+}
+
+function isNetworkURI(uri) {
+    return reNetworkURI.test(uri);
+}
+
+/******************************************************************************/
+
+function toBroaderHostname(hostname) {
+    const pos = hostname.indexOf('.');
+    if ( pos !== -1 ) {
+        return hostname.slice(pos + 1);
+    }
+    return hostname !== '*' && hostname !== '' ? '*' : '';
+}
+
+function toBroaderIPv4Address(ipaddress) {
+    if ( ipaddress === '*' || ipaddress === '' ) { return ''; }
+    const pos = ipaddress.lastIndexOf('.');
+    if ( pos === -1 ) { return '*'; }
+    return ipaddress.slice(0, pos);
+}
+
+function toBroaderIPv6Address(ipaddress) {
+    return ipaddress !== '*' && ipaddress !== '' ? '*' : '';
+}
+
+function decomposeHostname(hostname, out) {
+    if ( out.length !== 0 && out[0] === hostname ) {
+        return out;
+    }
+    let broadenFn;
+    if ( reHostnameVeryCoarse.test(hostname) === false ) {
+        if ( reIPv4VeryCoarse.test(hostname) ) {
+            broadenFn = toBroaderIPv4Address;
+        } else if ( hostname.startsWith('[') ) {
+            broadenFn = toBroaderIPv6Address;
+        }
+    }
+    if ( broadenFn === undefined ) {
+        broadenFn = toBroaderHostname;
+    }
+    out[0] = hostname;
+    let i = 1;
+    for (;;) {
+        hostname = broadenFn(hostname);
+        if ( hostname === '' ) { break; }
+        out[i++] = hostname;
+    }
+    out.length = i;
+    return out;
+}
+
+/******************************************************************************/
+
+export {
+    decomposeHostname,
+    domainFromHostname,
+    domainFromURI,
+    entityFromDomain,
+    hostnameFromNetworkURL,
+    hostnameFromURI,
+    isNetworkURI,
+    originFromURI,
+};