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diff --git a/data/extensions/jid1-KtlZuoiikVfFew@jetpack/lib/js_checker/free_checker.js b/data/extensions/jid1-KtlZuoiikVfFew@jetpack/lib/js_checker/free_checker.js
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-/**
- * GNU LibreJS - A browser add-on to block nonfree nontrivial JavaScript.
- * *
- * Copyright (C) 2011, 2012, 2013, 2014 Loic J. Duros
- * Copyright (C) 2014, 2015 Nik Nyby
- *
- * This file is part of GNU LibreJS.
- *
- * GNU LibreJS 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.
- *
- * GNU LibreJS 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 GNU LibreJS. If not, see <http://www.gnu.org/licenses/>.
- */
-
-var licenses = require('./license_definitions');
-var simpleStorage = require("sdk/simple-storage");
-const LAZY = licenses.types.LAZY;
-var licenseRegex = [];
-const END_OF_SCRIPT = require('../html_script_finder/bug_fix').END_OF_SCRIPT;
-const types = require("./constant_types");
-
-const token = types.token;
-
-var patternUtils = require('./pattern_utils').patternUtils;
-
-var licStartLicEndRe = /@licstartThefollowingistheentirelicensenoticefortheJavaScriptcodeinthis(?:page|file)(.*)?@licendTheaboveistheentirelicensenoticefortheJavaScriptcodeinthis(?:page|file)/mi;
-var licenseMagnet = /.*@license ?(magnet\:\?xt=urn\:btih\:[0-9A-Za-z]+).*/;
-var licenseEndMagnet = /.*@license-end.*/i;
-exports.freeCheck = {
- initLicenses: function (licenses) {
- for (var item in licenses) {
- this.stripLicenseToRegexp(licenses[item]);
- }
- },
-
- /**
- * stripLicenseToRegexp
- *
- * Removes all non-alphanumeric characters except for the
- * special tokens, and replace the text values that are
- * hardcoded in license_definitions.js
- *
- */
- stripLicenseToRegexp: function (license) {
- var max = license.licenseFragments.length;
- var item;
-
- for (var i = 0; i < max; i++) {
- item = license.licenseFragments[i];
- item.regex = patternUtils.removeNonalpha(item.text);
-
- if (license.licenseFragments[i].type === LAZY) {
-
- // do not permit words before. Since "Not" could be added
- // and make it nonfree. e.g.: Not licensed under the GPLv3.
- item.regex = '^(?!.*not).*' + item.regex;
-
- }
-
- item.regex = new RegExp(
- patternUtils.replaceTokens(item.regex), 'i');
- }
-
- return license;
- },
-
- /**
- * checkNodeFreeLicense
- *
- * Check if the node mentions a free license
- * in one of its comments.
- *
- */
- checkNodeFreeLicense: function (n, queue) {
- var strippedComment,
- magnetLink,
- comment = this.getComment(n),
- list = licenses.licenses,
- i, j,
- max,
- regex,
- frag,
- matchLicStart,
- matchMagnet,
- license,
- isMagnetValid = false;
-
- if (n.counter === 2 &&
- typeof n.parent !== 'undefined' &&
- n.parent.type === token.SCRIPT &&
- typeof comment !== 'undefined' &&
- comment !== " "
- ) {
- strippedComment = patternUtils.removeNonalpha(comment);
- matchLicStart = strippedComment.match(licStartLicEndRe);
- console.debug("matchMagnet is", matchMagnet);
- if (matchLicStart) {
- strippedComment = matchLicStart[1];
- for (license in list) {
- frag = list[license].licenseFragments;
- max = list[license].licenseFragments.length;
- for (i = 0; i < max; i++) {
- if (frag[i].regex.test(strippedComment)) {
- return {
- licenseName: list[license].licenseName,
- type: types.checkTypes.FREE
- };
-
- }
- }
- }
- }
- // check for @license -- @license-end notation.
- return this.matchMagnet(comment, queue);
- }
- },
-
- /**
- * matchMagnet
- * Attempts to find valid @license [magnet]
- * and @license-end notation.
- */
- matchMagnet: function (comment, queue) {
- let matchMagnet = comment.match(licenseMagnet);
- if (matchMagnet) {
- let magnetLinkRe = new RegExp(
- matchMagnet[1].replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&")
- );
- let list = licenses.licenses;
- let queue_end = queue.length;
-
- for (var license in list) {
- frag = list[license].canonicalUrl;
- console.debug("frag is ", frag);
- if (typeof frag !== 'undefined') {
- max = list[license].canonicalUrl.length;
- console.debug("max is", max);
- for (var i = 0; i < max; i++) {
- console.debug("current frag is", frag[i]);
- if (frag[i].match(magnetLinkRe)) {
- // The magnet link has a recognized license.
- // Now just look for the @license-end.
- for (var j = 0; j < queue.length; j++) {
- let n = queue[j];
- comment = this.getComment(n);
- if (queue.length === 1 &&
- typeof comment === 'undefined'
- ) {
- // Didn't find a closing match, but
- // there's only one node in the queue.
- // Just accept this script.
- return {
- licenseName: list[license].licenseName,
- type: types.checkTypes.FREE_SINGLE_ITEM
- };
- } else if (
- typeof comment !== 'undefined' &&
- comment.match(licenseEndMagnet) &&
- this.checkIsLastNode(n)
- ) {
- // found a closing match. Just accept
- // this script.
- return {
- licenseName: list[license].licenseName,
- type: types.checkTypes.FREE_SINGLE_ITEM
- };
- }
- }
- }
- }
- }
- }
- }
- },
-
- /**
- * checkIsLastJsNode.
- * returns true if n is the last node.
- * Or if nodes before it are only comments etc (not valid code.)
- * A special LibreJS node is appended at the end of a script tree to
- * check if this is the last (and also for narcissus to keep the last comment
- * in the tree.)
- * TODO: Refactor LibreJS so that END nodes can have a comment.
- */
- checkIsLastNode: function (n) {
- // first check if the comment is part of the very last statement.
- if (n.value === "this" && typeof n.next === 'undefined') {
- // just make sure the last node is indeed our harmless bit of
- // js.
- if (n.tokenizer) {
- let source = n.tokenizer.source;
- let substring = source.substr(n.start, n.end+23);
- if (substring === END_OF_SCRIPT) {
- return true;
- }
- else {
- console.debug("substring is ", substring);
- return false;
- }
- }
- console.debug("Hurra! This is the end of our script");
- return true;
- }
-
- // isn't our last node.
- return false;
- },
-
- /**
- * getComment
- *
- * Grab the comment(s) from the node. Concatenates
- * multiple comments.
- *
- */
- getComment: function (n) {
- var i = 0, length, comment = "";
-
- if (typeof n.blockComments === 'undefined' ||
- n.blockComments === " "
- ) {
- return;
- }
-
- length = n.blockComments.length;
- if (length > 0) {
- for (; i < length; i++) {
- comment += n.blockComments[i];
- }
- }
- if (comment === "") {
- return;
- }
- return comment;
- }
-};
-
-exports.freeCheck.initLicenses(licenses.licenses);
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