iframe-proxy | Sunbelt Computer Software

220 lines (192 loc) · 6.38 KB
 * Copyright (C) 2016-2026 phantombot.github.io/PhantomBot
 * 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/>.
/* global Packages */
 * patterDetector.js
 * Export an API for checking chat messages for links, email addresses, excessive character sequenses etc.
 * Use the $.patternDetector API
(function() {
    let patterns = {
        emotes: new RegExp('([0-9][0-9]-[0-9][0-9])|([0-9]-[0-9])', 'g'),
        repeatedSeq: /(.)(\1+)/ig,
        nonAlphaSeq: /([^a-z0-9 ])(\1+)/ig,
        nonAlphaCount: /([^a-z0-9 ])/ig,
        capsCount: /([A-Z])/g,
        meCheck: /^\/me/,
        fakePurge: new RegExp(/^<message \w+>|^<\w+ deleted>/i)
     * @function hasLinks
     * @export $.patternDetector
     * @param {Object} event
     * @returns {boolean}
    function hasLinks(event) {
        return Packages.com.gmt2001.PatternDetector.hasAnyLinks(event.getMessage());
     * @function getLinks
     * @export $.patternDetector
     * @param {String} message
     * @returns {string[]}
    function getLinks(message) {
        let jlinks = Packages.com.gmt2001.PatternDetector.getLinks(message);
        let links = [];
        for (let i = 0; i < jlinks.size(); i++) {
            links.push($.jsString(jlinks.get(i)));
        return links;
     * @function logLastLink
     * @export $.patternDetector
    function logLastLink(event) {
        let jlink = Packages.com.gmt2001.PatternDetector.getLink(event.getMessage());
        if (jlink === null) {
            jlink = '';
        $.log.file('patternDetector', 'Matched link on message from ' + event.getSender() + ': ' + jlink);
     * @function getLongestRepeatedSequence
     * @export $.patternDetector
     * @param {Object} event
     * @returns {number}
    function getLongestRepeatedSequence(event) {
        let sequences = $.match(event.getMessage(), patterns.repeatedSeq);
        return (sequences === null ? 0 : sequences.sort(function(a, b) {
            return b.length - a.length;
        })[0].length);
     * @function getLongestNonLetterSequence
     * @export $.patternDetector
     * @param {Object} event
     * @returns {number}
    function getLongestNonLetterSequence(event) {
        let message = (event.getMessage() + ''),
            sequences = $.match(message, patterns.nonAlphaSeq);
        return (sequences === null ? 0 : sequences.sort(function(a, b) {
            return b.length - a.length;
        })[0].length);
     * @function getNumberOfNonLetters
     * @export $.patternDetector
     * @param {Object} event
     * @returns {number}
    function getNumberOfNonLetters(event) {
        let sequences = $.match(event.getMessage(), patterns.nonAlphaCount);
        return (sequences === null ? 0 : sequences.length);
     * @function getEmotesCount
     * @export $.patternDetector
     * @param {Object} event
     * @returns {number}
     * @info this gets the emote count from the ircv3 tags and the emotes cache if enabled.
    function getEmotesCount(event) {
        let emotes = event.getTags().get('emotes'),
            matched = $.match(emotes, patterns.emotes),
            extraEmotes = $.emotesHandler.getEmotesMatchCount(event.getMessage());
        return (matched === null ? extraEmotes : (matched.length + extraEmotes));
     * @function getMessageWithoutEmotes
     * @export $.patternDetector
     * @param {Object} event
     * @returns {string}
    function getMessageWithoutEmotes(event, message) {
        let emotes = event.getTags().get('emotes'),
            str = message;
        if (emotes !== null && $.strlen(emotes) > 0) {
            emotes = emotes.replaceAll('[0-9]+:', '').split('/');
            for (let i in emotes) {
                str = str.replace(getWordAt(message, parseInt(emotes[i].split('-')[0])), '');
        return str;
     * @function getWordAt
     * @param  {String} str
     * @param  {Number} pos
     * @return {String}
    function getWordAt(str, pos) {
        str = $.jsString(str);
        pos = pos >>> 0;
        let left = str.slice(0, pos + 2).search(/\S+$/),
            right = str.slice(pos).search(/\s/);
        if (right < 0) {
            return str.slice(left);
        return str.slice(left, right + pos);
     * @function getNumberOfCaps
     * @export $.patternDetector
     * @param {Object} event
     * @returns {number}
    function getNumberOfCaps(event) {
        let sequences = $.match(getMessageWithoutEmotes(event, event.getMessage()), patterns.capsCount);
        return (sequences === null ? 0 : sequences.length);
     * @function getColoredMessage
     * @export $.patternDetector
     * @param {Object} event
     * @returns {boolean}
    function getColoredMessage(event) {
        return event.getMessage().indexOf('/me') === 0;
     * @function getFakePurge
     * @export $.patternDetector
     * @param {Object} event
     * @returns {boolean}
    function getFakePurge(event) {
        return $.test($.jsString(event.getMessage()).replace(patterns.meCheck, ''), patterns.fakePurge);
    /** Export functions to API */
    $.patternDetector = {
        hasLinks: hasLinks,
        getLinks: getLinks,
        getLongestRepeatedSequence: getLongestRepeatedSequence,
        getLongestNonLetterSequence: getLongestNonLetterSequence,
        getNumberOfNonLetters: getNumberOfNonLetters,
        getEmotesCount: getEmotesCount,
        getMessageWithoutEmotes: getMessageWithoutEmotes,
        getNumberOfCaps: getNumberOfCaps,
        logLastLink: logLastLink,
        getColoredMessage: getColoredMessage,
        getFakePurge: getFakePurge
Sunbelt Computer Software

PL/B Language Development and Support

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

Uh oh!

Sunbelt Computer Software

PL/B Language Development and Support

Uh oh!

Uh oh!

FilesExpand file tree

patternDetector.js

Latest commit

History

patternDetector.js

File metadata and controls
