v0.2.0: URL 패턴 기반 이미지 생성 fallback + downloadImagesAsZip 구현

tokimonkeyDownader.js

@@ -1,7 +1,7 @@
 // ==UserScript==
 // @name         sbxh6Downloader
 // @namespace    https://github.com/crossSiteKikyo/tokiDownloader
-// @version      0.1.0
+        // @version      0.2.0
 // @description  sbxh6.com (뉴토끼) 만화 다운로더
 // @author       hehaho
 // @match        https://sbxh*.com/manhwa/*
@@ -20,22 +20,36 @@
 (function () {
     'use strict';
 
+    // 페이지가 setTimeout을 오버라이드해도 영향받지 않도록 원본 캡처
+    const _setTimeout = window.setTimeout.bind(window);
+    const sleep = (ms) => new Promise(r => _setTimeout(r, ms));
+
     // ---------------------------------------------------------------
-    // Phase 1: IntersectionObserver 후킹 (document-start 에서 즉시 실행)
+    // Phase 1: 문서 표시 상태 강제 + IntersectionObserver 후킹
-    // 백그라운드 탭에서 IO가 동작하지 않아도 observe() 즉시 콜백 실행
     // ---------------------------------------------------------------
-    // document.hidden 강제 false (배경 탭에서도 페이지가 활성화된 것으로 인식)
+    // document/visibility 강제 활성화 (페이지 JS가 덮어써도 주기적 복원)
-    try {
+    const forceVisible = () => {
-        Object.defineProperty(document, 'hidden', { get: () => false, configurable: true });
+        try {
-        Object.defineProperty(document, 'visibilityState', { get: () => 'visible', configurable: true });
+            Object.defineProperty(document, 'hidden', { get: () => false, configurable: true });
-    } catch (_) {}
+            Object.defineProperty(document, 'visibilityState', { get: () => 'visible', configurable: true });
-    try {
+            ['webkitHidden', 'mozHidden', 'msHidden'].forEach(p => {
-        const proto = Document.prototype;
+                try { Object.defineProperty(document, p, { get: () => false, configurable: true }); } catch (_) {}
-        if (proto) {
+            });
-            Object.defineProperty(proto, 'hidden', { get: () => false, configurable: true });
+        } catch (_) {}
-            Object.defineProperty(proto, 'visibilityState', { get: () => 'visible', configurable: true });
+        try {
-        }
+            const proto = Document.prototype;
-    } catch (_) {}
+            if (proto) {
+                Object.defineProperty(proto, 'hidden', { get: () => false, configurable: true });
+                Object.defineProperty(proto, 'visibilityState', { get: () => 'visible', configurable: true });
+            }
+        } catch (_) {}
+        try { document.hasFocus = () => true; } catch (_) {}
+    };
+    forceVisible();
+    (function refreshVisible() {
+        forceVisible();
+        _setTimeout(refreshVisible, 500);
+    })();
 
     // IntersectionObserver 후킹: observe() 즉시 콜백 실행
     const OrigIO = window.IntersectionObserver;
@@ -45,7 +59,7 @@
             const origObserve = instance.observe.bind(instance);
             instance.observe = function (target) {
                 origObserve(target);
-                setTimeout(() => {
+                _setTimeout(() => {
                     try {
                         callback([{
                             target: target,
@@ -69,10 +83,38 @@
     // Phase 2: DOM 로딩 후 나머지 로직
     // ---------------------------------------------------------------
     const main = () => {
-            // 사이트가 console을 모니터링/차단하므로 자체 로거 사용
+            // ---------------------------------------------------------------
-            const log = (...args) => {
+            // 로깅 시스템 (sessionStorage 기반, 페이지 이동 시에도 유지)
-                try { console.log(...args); } catch (_) {}
+            // ---------------------------------------------------------------
+            const LOG_KEY2 = 'sbxh6_log';
+
+            const getLog = () => {
+                try { return JSON.parse(sessionStorage.getItem(LOG_KEY2) || '[]'); } catch (_) { return []; }
             };
+            const appendLog = (...args) => {
+                const msg = args.map(a => typeof a === 'object' ? JSON.stringify(a) : String(a)).join(' ');
+                const entry = `[${new Date().toISOString().slice(11,23)}] ${msg}`;
+                try { console.log(...args); } catch (_) {}
+                try {
+                    const buf = getLog();
+                    buf.push(entry);
+                    if (buf.length > 500) buf.splice(0, buf.length - 500);
+                    sessionStorage.setItem(LOG_KEY2, JSON.stringify(buf));
+                } catch (_) {}
+            };
+            const downloadLog = () => {
+                const buf = getLog();
+                if (buf.length === 0) { alert('로그가 없습니다.'); return; }
+                const text = buf.join('\n');
+                const blob = new Blob([text], { type: 'text/plain;charset=utf-8' });
+                const url = URL.createObjectURL(blob);
+                const a = document.createElement('a');
+                a.href = url; a.download = `download_log_${Date.now()}.txt`;
+                a.click();
+                URL.revokeObjectURL(url);
+            };
+
+            const log = appendLog;
 
             // 메뉴 명령 ID 관리 (중복 등록 방지 → 배지 숫자 증가 방지)
             let menuCmdIds = [];
@@ -88,8 +130,10 @@
                 menuCmdIds.push(GM_registerMenuCommand('[목록] 전체 에피소드 다운로드', () => downloadAllEpisodes()));
                 menuCmdIds.push(GM_registerMenuCommand('[목록] n화 이후 다운로드', () => downloadAfterEpisode()));
                 menuCmdIds.push(GM_registerMenuCommand('[목록] 범위 다운로드', () => downloadRangeEpisodes()));
+                menuCmdIds.push(GM_registerMenuCommand('[목록] 로그 다운로드', () => downloadLog()));
             } else if (isEpisodePage) {
                 menuCmdIds.push(GM_registerMenuCommand('현재 에피소드 다운로드', () => downloadCurrentEpisode()));
+                menuCmdIds.push(GM_registerMenuCommand('로그 다운로드', () => downloadLog()));
             }
         };
 
@@ -117,10 +161,6 @@
             }
         };
 
-        function sleep(ms) {
-            return new Promise(resolve => setTimeout(resolve, ms));
-        }
-
         // 자동 연속 다운로드 큐 (sessionStorage 기반)
         const QUEUE_KEY = 'sbxh6_q';
         const IDX_KEY = 'sbxh6_i';
@@ -196,6 +236,9 @@
                     urls.push(src);
                 }
             });
+            if (urls.length < 5) {
+                log(`getEpisodeImages: img=${imgs.length} urls=${urls.length} (소수만 발견)`);
+            }
             return urls;
         }
 
@@ -238,92 +281,151 @@
             return { isListPage, isEpisodePage };
         }
 
-        // 이미지의 data-* 속성을 src로 강제 복사
+        // 모든 img의 data-* 속성을 src로 강제 복사 (알려진 속성명 우선, 이후 모든 data-* 검사)
         const forceLoadImages = (root) => {
             const container = root || document;
             container.querySelectorAll('img').forEach(img => {
                 img.setAttribute('loading', 'eager');
+                // 우선 알려진 속성명
                 ['data-src', 'data-original', 'data-lazy-src', 'data-lazy', 'data-srcset'].forEach(attr => {
                     const val = img.getAttribute(attr);
                     if (val && !img.src) img.src = val;
                 });
+                // 그래도 src가 없으면 모든 data-* 속성 중 http로 시작하는 값 사용
+                if (!img.src || !img.src.startsWith('http')) {
+                    for (const attr of img.attributes) {
+                        if (attr.name.startsWith('data-') && attr.value && attr.value.startsWith('http')) {
+                            img.src = attr.value;
+                            break;
+                        }
+                    }
+                }
             });
         };
 
+        // 강제 scroll 이벤트 디스패치
+        const fireScroll = () => {
+            window.dispatchEvent(new Event('scroll', { bubbles: true }));
+            window.dispatchEvent(new UIEvent('scroll', { detail: 0 }));
+        };
+
+        // 디버그: .vw-imgs 영역 HTML 구조 로그
+        const debugDumpViewer = (label) => {
+            try {
+                const viewer = document.querySelector('.vw-imgs, [class*="vw-imgs"]');
+                if (!viewer) { log(`${label}: viewer 없음`); return; }
+                const children = viewer.children;
+                let info = `${label}: childCount=${children.length}`;
+                for (let i = 0; i < Math.min(children.length, 5); i++) {
+                    const c = children[i];
+                    info += ` | [${i}] <${c.tagName}> class="${c.className}" style="${c.getAttribute('style') || ''}"`;
+                    if (c.tagName === 'IMG') {
+                        info += ` src="${c.src || '(none)'}" data-src="${c.getAttribute('data-src') || ''}"`;
+                    }
+                }
+                log(info);
+            } catch (_) {}
+        };
+
         // lazy loading 트리거: data-src 복사 + loading=eager + 스크롤
-        const triggerLazyLoading = async () => {
+        const triggerLazyLoading = async (doc, win) => {
-            const viewer = document.querySelector('.vw-imgs, [class*="vw-imgs"]') || document;
+            const d = doc || document;
-            // 우선 현재 img들 강제 로딩
+            const w = win || window;
+            log(`triggerLazyLoading: scrollY=${w.scrollY}, hidden=${document.hidden}, innerH=${window.innerHeight}`);
+            debugDumpViewer('triggerLazyLoading 시작');
+            const viewer = d.querySelector('.vw-imgs, [class*="vw-imgs"]') || d;
             forceLoadImages(viewer);
-            // 동적 스크롤: 새 콘텐츠가 계속 로드되면 scrollHeight도 계속 증가
             let prevHeight = 0;
             let stuckCount = 0;
             while (stuckCount < 3) {
                 const maxScroll = Math.max(
-                    document.documentElement.scrollHeight,
+                    d.documentElement.scrollHeight,
-                    document.body.scrollHeight, 0
+                    d.body.scrollHeight, 0
                 );
+                log(`triggerLazyLoading: scroll=${maxScroll}, stuck=${stuckCount}, imgs=${viewer.querySelectorAll('img').length}`);
                 if (maxScroll === prevHeight) {
                     stuckCount++;
                 } else {
                     stuckCount = 0;
                 }
                 prevHeight = maxScroll;
-                // 현재 위치에서 끝까지 step 단위로 스크롤 (느리게)
                 const step = Math.min(300, maxScroll);
-                for (let s = window.scrollY; s <= maxScroll; s += step) {
+                for (let s = w.scrollY; s <= maxScroll; s += step) {
-                    window.scrollTo(0, Math.min(s, maxScroll));
+                    w.scrollTo(0, Math.min(s, maxScroll));
+                    fireScroll();
+                    _setTimeout(fireScroll, 10);
                     await sleep(300);
                 }
-                window.scrollTo(0, maxScroll);
+                w.scrollTo(0, maxScroll);
-                // 스크롤 후 추가된 img들도 강제 로딩 (백그라운드 탭 IO 대체)
+                fireScroll();
                 forceLoadImages(viewer);
                 await sleep(1500);
             }
-            // 끝까지 다 내려간 상태에서 여유 대기 + 최종 강제 로딩
             forceLoadImages(viewer);
             await sleep(2000);
-            window.scrollTo(0, 0);
+            w.scrollTo(0, 0);
+            fireScroll();
+            debugDumpViewer('triggerLazyLoading 완료');
+            log(`triggerLazyLoading: 완료, 최종 imgs=${viewer.querySelectorAll('img').length}`);
             await sleep(1000);
         };
 
-        // 공통: 이미지 URL 목록을 받아 ZIP 생성 + 다운로드
+        // viewer 내 이미지 슬롯 전체 개수 (img + 미로딩 placeholder div)
-        const downloadImagesAsZip = async (imageUrls, seriesName, episodeTitle, episodeNumber) => {
+        const countTotalImgSlots = (root) => {
-            const zip = new JSZip();
+            const container = root || document;
-            const protocolDomain = window.location.origin;
+            const viewers = container.querySelectorAll(
-
+                '.vw-imgs, .vw-imgs--double, .vw-imgs--single, ' +
-            for (let i = 0; i < imageUrls.length; i++) {
+                '.webtoon-page, .manhwa-page, [class*="vw-imgs"]'
-                const url = imageUrls[i];
+            );
-                await new Promise((resolve) => {
+            if (viewers.length === 0) return 0;
-                    GM_xmlhttpRequest({
+            let total = 0;
-                        method: 'GET', url, responseType: 'arraybuffer',
+            viewers.forEach(v => {
-                        headers: {
+                total += v.querySelectorAll('img').length;
-                            'Referer': protocolDomain,
+                total += v.querySelectorAll(
-                            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
+                    'div[style*="aspect-ratio"], ' +
-                        },
+                    'div[class*="placeholder"], ' +
-                        onload: (resp) => {
+                    'div[class*="lazy"], ' +
-                            if (resp.status === 200) {
+                    'div.img-item, ' +
-                                const ext = url.split('.').pop().split('?')[0] || 'jpg';
+                    'div[class*="img-wrap"]'
-                                zip.file(`image${String(i).padStart(4, '0')}.${ext}`, new Blob([resp.response], { type: 'image/' + ext }));
+                ).length;
-                            }
+            });
-                            resolve();
+            return total;
-                        },
-                        onerror: () => resolve(),
-                        ontimeout: () => resolve()
-                    });
-                });
-                if ((i + 1) % 5 === 0) await sleep(1000);
-            }
-
-            const comicInfo = generateComicInfo(episodeTitle, seriesName, '', episodeNumber, imageUrls.length, imageUrls.length);
-            zip.file('ComicInfo.xml', comicInfo);
-            const blob = await zip.generateAsync({ type: "blob" });
-            const filename = `${seriesName} - ${episodeTitle}.zip`.replace(/[/\\:*?"<>|]/g, '_');
-            downloadZip(blob, filename);
-            log(`저장: ${filename} (${imageUrls.length}개)`);
         };
 
-        // 공통: 현재 페이지에서 이미지 획득 + lazy 로딩 트리거
+        // 첫 번째 img의 URL 패턴으로 모든 이미지 URL 생성 (lazy 로딩 우회)
+        const generateEpisodeUrls = () => {
+            try {
+                const viewer = document.querySelector('.vw-imgs, [class*="vw-imgs"]');
+                if (!viewer) { log('generateUrls: viewer 없음'); return null; }
+                const totalSlots = countTotalImgSlots();
+                if (totalSlots === 0) { log('generateUrls: totalSlots=0'); return null; }
+
+                const firstImg = viewer.querySelector('img');
+                if (!firstImg) { log('generateUrls: img 없음'); return null; }
+
+                const src = firstImg.src || firstImg.getAttribute('src') || '';
+                if (!src || !src.startsWith('http')) { log('generateUrls: 유효한 src 없음'); return null; }
+
+                // URL 패턴: /p001.jpg → base 제거
+                const baseUrl = src.replace(/\/p\d+\.[a-z]+(?:\?.*)?$/i, '/');
+                const extMatch = src.match(/\.([a-z]+)(?:\?.*)?$/i);
+                const ext = extMatch ? extMatch[1] : 'jpg';
+                const numMatch = src.match(/p(\d+)\.[a-z]+/i);
+                const numDigits = numMatch ? numMatch[1].length : 3;
+
+                const urls = [];
+                for (let i = 1; i <= totalSlots; i++) {
+                    urls.push(`${baseUrl}p${String(i).padStart(numDigits, '0')}.${ext}`);
+                }
+                log(`generateUrls: ${baseUrl} → ${urls.length}개 생성`);
+                return urls;
+            } catch (e) {
+                log('generateUrls 오류:', e);
+                return null;
+            }
+        };
+
+        // 공통: 현재 페이지에서 이미지 획득 + lazy 로딩 트리거 + URL 생성 fallback
         const getImagesWithLazyLoad = async () => {
             let urls = getEpisodeImages();
             if (urls.length === 0) {
@@ -333,14 +435,104 @@
                     if (urls.length > 0) break;
                 }
             }
-            if (urls.length <= 3) {
+            const prevLen = urls.length;
-                log(`lazy loading 트리거 (${urls.length}개 → 전체)...`);
+            debugDumpViewer('getImagesWithLazyLoad 시작');
-                await triggerLazyLoading();
+            // 우선 페이지 끝까지 fast scroll 1회
+            const maxScroll = Math.max(
+                document.documentElement.scrollHeight,
+                document.body.scrollHeight, 0
+            );
+            const hasContent = maxScroll > window.innerHeight * 1.2;
+            if (hasContent) {
+                log(`getImagesWithLazyLoad: scrollable(${maxScroll}px) → fast scroll`);
+                window.scrollTo(0, maxScroll);
+                fireScroll();
+                _setTimeout(fireScroll, 10);
+                await sleep(2000);
+                forceLoadImages();
                 urls = getEpisodeImages();
+                log(`getImagesWithLazyLoad: fast scroll 후 ${urls.length}개`);
             }
+            // 부족하면 step-by-step lazy 로딩 (최대 3회)
+            for (let attempt = 0; attempt < 3; attempt++) {
+                const totalSlots = countTotalImgSlots();
+                const stillNeed = (
+                    (totalSlots > 0 && urls.length < totalSlots) ||
+                    urls.length <= 3 ||
+                    (prevLen > 0 && urls.length < prevLen * 0.5)
+                );
+                log(`getImagesWithLazyLoad: loaded=${urls.length}, totalSlots=${totalSlots}, need=${stillNeed} (attempt ${attempt + 1})`);
+                if (!stillNeed) break;
+                log(`getImagesWithLazyLoad: ${urls.length}개 → step scroll (attempt ${attempt + 1})`);
+                await triggerLazyLoading();
+                const newUrls = getEpisodeImages();
+                if (newUrls.length <= urls.length) break;
+                urls = newUrls;
+            }
+            // 모든 data-* 속성 강제 검사
+            forceLoadImages();
+            urls = getEpisodeImages();
+            // 3개 이하면 HTML 덤프
+            if (urls.length <= 3) debugDumpViewer('getImagesWithLazyLoad 최종');
+            // 그래도 부족하면 URL 패턴으로 직접 생성 (fallback)
+            const totalSlots = countTotalImgSlots();
+            if (urls.length < totalSlots && totalSlots > 3) {
+                const generated = generateEpisodeUrls();
+                if (generated && generated.length > urls.length) {
+                    log(`getImagesWithLazyLoad: URL 생성 fallback → ${generated.length}개 (원래 ${urls.length}개)`);
+                    urls = generated;
+                }
+            }
+            log(`getImagesWithLazyLoad: 최종 ${urls.length}개`);
             return urls;
         };
 
+        async function downloadImagesAsZip(imageUrls, seriesName, episodeTitle, episodeNumber) {
+            const zip = new JSZip();
+            const folderName = `${seriesName}_${episodeNumber}`.replace(/[<>:"/\\|?*]/g, '_').slice(0, 200);
+            const folder = zip.folder(folderName);
+
+            const fetchImage = (url) => new Promise((resolve, reject) => {
+                GM_xmlhttpRequest({
+                    method: 'GET',
+                    url: url,
+                    responseType: 'blob',
+                    headers: { 'Referer': window.location.origin + '/' },
+                    onload: (res) => {
+                        if (res.status >= 200 && res.status < 300) {
+                            resolve(res.response);
+                        } else {
+                            reject(new Error(`HTTP ${res.status}: ${url}`));
+                        }
+                    },
+                    onerror: (err) => reject(new Error(`GM_xhr 실패: ${url}`))
+                });
+            });
+
+            const total = imageUrls.length;
+            for (let i = 0; i < total; i++) {
+                const url = imageUrls[i];
+                const ext = url.match(/\.(jpe?g|png|webp|gif|avif)/i)?.[1] || 'jpg';
+                const filename = `p${String(i + 1).padStart(3, '0')}.${ext}`;
+                try {
+                    const blob = await fetchImage(url);
+                    folder.file(filename, blob, { binary: true });
+                } catch (e) {
+                    log(`downloadImagesAsZip: ${filename} 실패 - ${e.message}`);
+                }
+            }
+
+            const comicInfoXml = generateComicInfo(
+                episodeTitle, seriesName, '', episodeNumber, total, total
+            );
+            folder.file('ComicInfo.xml', comicInfoXml);
+
+            const zipBlob = await zip.generateAsync({ type: 'blob' });
+            const safeName = `${seriesName}_${episodeNumber}.zip`.replace(/[<>:"/\\|?*]/g, '_');
+            downloadZip(zipBlob, safeName);
+            log(`downloadImagesAsZip: ${safeName} 저장 완료 (${total}개 중 ${folder.files ? Object.keys(folder.files).length - 1 : '?'}개 성공)`);
+        }
+
         async function downloadCurrentEpisode() {
             try {
                 log('에피소드 다운로드 시작...');
@@ -457,16 +649,17 @@
             const queue = getQueue();
             if (!queue) return;
             const { isEpisodePage } = getListPageInfo();
-            if (!isEpisodePage) return; // 목록 페이지에서는 큐 처리 안 함
+            if (!isEpisodePage) return;
 
             const idx = getQueueIndex();
             if (idx >= queue.length) { cleanupQueue(); return; }
 
             log(`자동 다운로드: ${idx + 1}/${queue.length} - ${queue[idx].title}`);
-            await sleep(7000);
+            await sleep(5000);
 
             try {
                 const imageUrls = await getImagesWithLazyLoad();
+                log(`자동 다운로드: ${idx + 1}/${queue.length} - ${queue[idx].title}, 이미지 ${imageUrls.length}개`);
                 if (imageUrls.length > 0) {
                     const seriesName = sessionStorage.getItem(SERIES_KEY) || getSeriesName();
                     const episodeTitle = getEpisodeTitle() || queue[idx].title;
@@ -500,20 +693,20 @@
             registerMenu();
 
             // 자동 다운로드 큐 확인 (목록→에피소드 이동 시)
-            setTimeout(processAutoQueue, 1000);
+            _setTimeout(processAutoQueue, 1000);
 
             // Next.js SPA 네비게이션 감지: URL 변경 시 메뉴 재등록
             const origPushState = history.pushState;
             const origReplaceState = history.replaceState;
             history.pushState = function () {
                 origPushState.apply(this, arguments);
-                setTimeout(registerMenu, 500);
+                _setTimeout(registerMenu, 500);
             };
             history.replaceState = function () {
                 origReplaceState.apply(this, arguments);
-                setTimeout(registerMenu, 500);
+                _setTimeout(registerMenu, 500);
             };
-            window.addEventListener('popstate', () => setTimeout(registerMenu, 500));
+            window.addEventListener('popstate', () => _setTimeout(registerMenu, 500));
 
             log('sbxh6Downloader loaded');
     };