H::H -spam Fork

    @@ -78,6 +78,7 @@ // - try-catch-finally w/ await const blacklist = await fetch(request).then(res => { if (!res.ok || res.status !== 200) { + // TBD Custom Error return Promise.reject(new Error([ res.status, res.statusText, res ]));
    @@ -87,10 +88,11 @@ if (signal.aborted) { return Promise.reject(new TimeoutError(err)); } + // http://isup.me + const isup = 'https://downforeveryoneorjustme.com'; return Promise.reject(new ConnectionError([ 'check a network, location and server', - // https://downforeveryoneorjustme.com - 'http://isup.me/' + new URL(USER_FILTER).hostname, + isup + new URL(USER_FILTER).hostname, ].join('\n'))); }).then(json => { const SPAM_THRESHOLD = 5;
    @@ -118,13 +120,13 @@ '.entry.tl-entry', ]).forEach(entry => { // permalink syntax; - // <a href="http://h.hatena.ne.jp/HATENA_ID/" title="id:HATENA_ID">SCREEN_NAME</a> + // <a href="http://h.hatena.ne.jp/{HATENA_ID}/" title="id:{HATENA_ID}">{SCREEN_NAME}</a> const poster = entry.querySelector('.username a[href][title^="id:"]'); if (!poster) return; const id = poster.title.slice('id:'.length); if (blacklist.has(id)) { - const USER_DETAIL = 'https://haikuantispam.lightni.ng/id/'; + const USER_RECENT_STATS = 'https://haikuantispam.lightni.ng/id/'; /*/ entry.style.backgroundColor = 'red'; entry.querySelectorAll([
    @@ -140,12 +142,12 @@ //console.table({ // id, // score: blacklist.get(id), - // detail: USER_DETAIL + id, + // detail: USER_RECENT_STATS + id, //}); console.warn([ 'id:' + id, 'score: ' + blacklist.get(id), - 'detail: ' + USER_DETAIL + id, + 'detail: ' + USER_RECENT_STATS + id, ].join('\t')); //*/ }
  • /*
     * @title H::H -spam
     * @description Hatena Haiku spam filter
     * @include *://h.hatena.ne.jp/*
     * @license  The MIT License https://opensource.org/licenses/MIT
     * @javascript_url
     */
    
    // nitpicking via
    // http://let.hatelabo.jp/austinburk/let/hLHU6PPgg9Ya
    // Proxy/Reflect ver
    // http://let.hatelabo.jp/a-kuma3/let/hJmc7ZTR7vBO
    
    // TODO
    // - user.js on Gist
    // - handle "Related/Hot Keywords"
    //  - http://let.hatelabo.jp/noromanba/let/hLHVltCFk5dw
    
    // non i18n similar services/software by id:tukihatu c.f.
    // Hatena Haiku a la mode (3rd party web services)
    //  http://hh-alamode.fanweb.jp
    //   http://h.hatena.ne.jp/target?word=%E3%81%AF%E3%81%A6%E3%81%AA%E3%83%8F%E3%82%A4%E3%82%AF%E3%82%A2%E3%83%A9%E3%83%A2%E3%83%BC%E3%83%89
    // Hatena Haiku Soldier (Chrome/ium Extensions)
    //  https://chrome.google.com/webstore/detail/hhgejafgjjjfaocaopajkhgmdgaeimin
    //   http://h.hatena.ne.jp/target?word=%E3%81%AF%E3%81%A6%E3%81%AA%E3%83%8F%E3%82%A4%E3%82%AF%E3%82%BD%E3%83%AB%E3%82%B8%E3%83%A3%E3%83%BC
    
    // e.g.
    // http://h.hatena.ne.jp
    (async () => {
        'use strict';
    
        if (window.self !== window.top) return; // @noframes in Vanilla
    
        // timeout
        // https://gist.github.com/noromanba/7e76cd75d15e27b102007298a8156d8f
        // TBD Promise based functionize
        const controller = new AbortController();
        const signal = controller.signal;
        const TIMEOUT = 1000 * 10;
        signal.onabort = () => {
            console.error(`timeout: ${ TIMEOUT / 1000 } sec elapsed`);
        };
        const timer = setTimeout(() => controller.abort(), TIMEOUT);
    
        // Access-Control-Allow-Origin: http://h.hatena.ne.jp
        const USER_FILTER = 'https://haikuantispam.lightni.ng/api/recent_scores.json';
        // TBD CORS proxy c.f.
        //     http://let.hatelabo.jp/noromanba/let/hJmc7rWIvsJj
        //     for avoid web-beacon/bug and fingerprinting like risks
        // https://hacks.mozilla.org/2016/03/referrer-and-cache-control-apis-for-fetch/
        // https://html.spec.whatwg.org/#cors-settings-attributes
        const request = new Request(USER_FILTER, {
            // https://fetch.spec.whatwg.org/#request-headers
            // https://html.spec.whatwg.org/#initialise-the-document-object
            cache: 'no-cache',
            credentials: 'omit',
            mode: 'cors',
            // Referrer-Policy fallback
            referrer: '',
            // [^1] Referrer-Policy
            // https://developer.mozilla.org/en-US/docs/Web/API/Request/referrerPolicy
            // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy
            referrerPolicy: 'no-referrer',
            signal,
        });
    
        class ConnectionError extends Error {
            constructor(msg) {
                super(msg);
                this.name = this.constructor.name;
            }
        }
        class TimeoutError extends ConnectionError { }
    
        // TBD
        // - refresh filter when infinite scrolling
        // - small IIFE async scope
        // - try-catch-finally w/ await
        const blacklist = await fetch(request).then(res => {
            if (!res.ok || res.status !== 200) {
                // TBD Custom Error
                return Promise.reject(new Error([
                    res.status, res.statusText, res
                ]));
            }
            return res.json();
        }).catch(err => {
            if (signal.aborted) {
                return Promise.reject(new TimeoutError(err));
            }
            // http://isup.me
            const isup = 'https://downforeveryoneorjustme.com';
            return Promise.reject(new ConnectionError([
                'check a network, location and server',
                isup + new URL(USER_FILTER).hostname,
            ].join('\n')));
        }).then(json => {
            const SPAM_THRESHOLD = 5;
            return new Map(
                Object.entries(json).filter(([, score]) => score >= SPAM_THRESHOLD)
            );
        }).catch(err => {
            console.error([
                'Hatena::Haiku spam filter',
                err,
                //err.stack,
            ].join('\n'));
        }).finally(() => {
            clearTimeout(timer);
        });
        console.debug(blacklist);
    
        if (!blacklist || blacklist.size === 0) return;
    
        // TBD show indicator/throbber when wiping
        const wipeout = (ctx) => {
            if (!ctx.querySelectorAll) return;
    
            ctx.querySelectorAll([
                '.entry.tl-entry',
            ]).forEach(entry => {
                // permalink syntax;
                // <a href="http://h.hatena.ne.jp/{HATENA_ID}/" title="id:{HATENA_ID}">{SCREEN_NAME}</a>
                const poster = entry.querySelector('.username a[href][title^="id:"]');
                if (!poster) return;
    
                const id = poster.title.slice('id:'.length);
                if (blacklist.has(id)) {
                    const USER_RECENT_STATS = 'https://haikuantispam.lightni.ng/id/';
                    /*/
                    entry.style.backgroundColor = 'red';
                    entry.querySelectorAll([
                        '.entry-body-content a[href]',
                    ]).forEach(link => {
                        link.style.pointerEvents = 'none';
                    });
                    /*/
                    // TBD suppress Reflow/Layout
                    entry.style.display = 'none';
                    //entry.remove();
                    // TODO reduce same users
                    //console.table({
                    //    id,
                    //    score: blacklist.get(id),
                    //    detail: USER_RECENT_STATS + id,
                    //});
                    console.warn([
                        'id:' + id,
                        'score: ' + blacklist.get(id),
                        'detail: ' + USER_RECENT_STATS + id,
                    ].join('\t'));
                    //*/
                }
            });
        };
        const timeline = document.body.querySelector('.entries');
        if (!timeline) return;
    
        wipeout(timeline);
    
        new MutationObserver(records => {
            records.forEach(record => {
                wipeout(record.target);
            });
        }).observe(timeline, { childList: true, subtree: true, });
    })();
    
    // DEV
    //
    // [1]: Referrer-Policy
    // specs
    //  https://w3c.github.io/webappsec-referrer-policy/#referrer-policies
    //  https://fetch.spec.whatwg.org/#concept-request-referrer-policy
    //
    // test servers
    //  https://api.github.com
    //  https://httpstat.us
    //   https://httpstat.us/404
    //   https://httpstat.us/200?sleep=60000
    
    
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    書かれたコードへの直接のリンクです。
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    文字列が圧縮された書かれたコードへのリンクです。
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