eagate-captcha-solver.user.js

// ==UserScript==
// @name         eagate captcha solver
// @namespace    about:eagate-captcha-solver
// @version      0
// @match        https://p.eagate.573.jp/gate/p/*
// @grant        GM_xmlhttpRequest
// ==/UserScript==

let g_observer;

(function() {
    'use strict';

    // https://gist.github.com/123jimin/0ebabe54fc06b445dffdcc61c376ef13 is probably better
    let sizeMap = {
        7565: 'blue', 11283: 'blue', 12172: 'blue', 12943: 'blue', 14003: 'blue', 15462: 'blue',
        8092: 'hotpink', 9570: 'hotpink', 9619: 'hotpink', 9939: 'hotpink', 10285: 'hotpink', 10736: 'hotpink',
        8081: 'red', 9147: 'red', 10074: 'red', 10903: 'red', 12052: 'red', 12433: 'red', 12611: 'red',
        7311: 'silver', 7448: 'silver', 9016: 'silver', 10307: 'silver', 11737: 'silver', 12099: 'silver',
        7488: 'teal', 9188: 'teal', 9215: 'teal', 10206: 'teal', 10730: 'teal', 11260: 'teal',
    };
    function process(im, border, onload) {
        GM_xmlhttpRequest({
            method: 'GET',
            url: im.src,
            responseType: 'arraybuffer',
            onload: r => {
                let size = r.response.byteLength;
                border.title = size;
                if (sizeMap[size]) {
                    border.style.borderColor = sizeMap[size];
                    border.style.borderWidth = '2px';
                } else {
                    border.style.borderColor = 'black';
                    border.style.borderStyle = 'dashed';
                }
                onload();
            }
        });
    }

    g_observer = new MutationObserver(muts => {
        let correctImg = document.getElementById('id_cpfm_correct_pic');
        let optionImgs = document.querySelectorAll('.cl_cpfm_choicelistbox');
        if (!correctImg || optionImgs.length !== 5) return;

        let count = 0;
        function check() {
            if (++count <= optionImgs.length) return;
            let targetColor = correctImg.style.borderColor;
            for (let i of optionImgs) {
                if (i.style.borderColor === targetColor) i.querySelector('input').click();
            }
        }

        process(correctImg, correctImg, check);
        for (let i of optionImgs) process(i.querySelector('img'), i, check);

        g_observer.disconnect();
    });
    g_observer.observe(document, { childList: true, subtree: true });
})();