V2PH Album Downloader

Album Downloader for v2ph.com. After logging in and opening the album page, click the "Download all images" option in the script menu to start downloading.

Versión del día 24/09/2024. Echa un vistazo a la versión más reciente.

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Necesitará instalar una extensión como Tampermonkey para instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name        V2PH Album Downloader
// @namespace   https://greasyfork.org/zh-CN/users/220174-linepro
// @match       https://www.v2ph.com/album/*
// @grant       GM_download
// @grant       GM_xmlhttpRequest
// @grant       GM_registerMenuCommand
// @grant       GM_unregisterMenuCommand
// @grant       GM_addStyle
// @version     1.2
// @author      LinePro
// @license     MIT
// @description Album Downloader for v2ph.com. After logging in and opening the album page, click the "Download all images" option in the script menu to start downloading.
// @run-at document-idle
// @require https://update.greasyfork.org/scripts/473358/1237031/JSZip.js
// @require https://cdn.jsdelivr.net/npm/idb-keyval@6/dist/umd.js
// ==/UserScript==
(async () => {
    const jQuery = unsafeWindow.jQuery;
    GM_addStyle(`
        .spinner-border {
            display: inline-block;
            width: 1.25rem;
            height: 1.25rem;
            vertical-align: -.125em;
            border: .175em solid currentColor;
            border-right-color: transparent;
            border-radius: 50%;
            -webkit-animation: .75s linear infinite spinner-border;
            animation: .75s linear infinite spinner-border
        }
        
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            white-space: nowrap;
            border: 0
        }

        .modal-loading {
            margin-left: 0.5rem;
        }
    `);
    class BootStrap4Model {
        constructor(title = 'Modal', text = '') {
            const wrap = (() => {
                const modal = document.createElement('div');
                modal.className = 'modal';
                modal.setAttribute('tabindex', '-1');
                modal.dataset.backdrop = 'static';
                modal.dataset.keyboard = 'false';
                const modalDialog = document.createElement('div')
                modalDialog.className = 'modal-dialog';
                const modalContent = document.createElement('div')
                modalContent.className = 'modal-content';
                const modalHeader = document.createElement('div');
                modalHeader.className = 'modal-header';
                const modalTitle = document.createElement('h5');
                this.modalTitle = modalTitle;
                modalTitle.className = 'modal-title';
                modalTitle.innerText = title;
                const modalLoading = document.createElement('div');
                this.modalLoading = modalLoading;
                modalLoading.className = 'modal-loading spinner-border';
                modalLoading.style.display = 'none';
                modalLoading.setAttribute('role', 'status');
                const modalLoadingSpan = document.createElement('span');
                modalLoadingSpan.className = 'sr-only';
                modalLoadingSpan.innerText = 'Loading...';
                modalLoading.appendChild(modalLoadingSpan);
                modalTitle.appendChild(modalLoading);
                modalHeader.appendChild(modalTitle);
                const modalBody = document.createElement('div');
                this.modalBody = modalBody;
                modalBody.className = 'modal-body';
                modalBody.innerText = text;
                const modalFooter = document.createElement('div');
                modalFooter.className = 'modal-footer';
                const closeBtn = document.createElement('button');
                this.closeBtn = closeBtn;
                closeBtn.className = 'btn btn-danger';
                closeBtn.setAttribute('data-dismiss', 'modal');
                closeBtn.innerText = 'Close';
                modalFooter.appendChild(closeBtn);
                modalContent.appendChild(modalHeader);
                modalContent.appendChild(modalBody);
                modalContent.appendChild(modalFooter);
                modalDialog.appendChild(modalContent);
                modal.appendChild(modalDialog);
                return modal;
            })();
            document.body.appendChild(wrap);
            this.wrap = wrap;
        }

        show() {
            jQuery(this.wrap).modal('show');
        }

        hide() {
            jQuery(this.wrap).modal('hide');
        }

        setTitle(title) {
            this.modalTitle.innerText = title;
        }

        setText(text) {
            this.modalBody.innerText = text;
        }

        setLoading(loading) {
            this.modalLoading.style.display = loading ? '' : 'none';
        }

        setCloseBtn(text, callback) {
            this.closeBtn.innerText = text;
            this.closeBtn.onclick = callback;
        }
    }

    const getPageFromUrl = (url) => {
        const search = new URL(url).searchParams;
        const page = search.get("page");
        if (page) {
            return parseInt(page);
        }
        return 1;
    }

    const fetch = (url) => {
        return new Promise((resolve, reject) => {
            GM_xmlhttpRequest({
                method: "GET",
                url: url,
                headers: {
                    Referer: location.href
                },
                responseType: 'blob',
                onload: response => resolve(response.response),
                onerror: error => reject(error)
            });
        });
    }

    const downloadingStatus = await idbKeyval.get("downloadingStatus");

    const downloadingAlbumId = downloadingStatus?.albumId;
    const downloadingPage = downloadingStatus?.page;

    const currentAlbumId = location.pathname.split("/").pop();

    const page = getPageFromUrl(location.href);

    const registerMenu = () => {
        const caption = 'Download all images';
        GM_registerMenuCommand(caption, async () => {
            GM_unregisterMenuCommand(caption);
            if (page !== 1) {
                await idbKeyval.set("downloadingStatus", {
                    albumId: currentAlbumId,
                    page: 1
                });
                location.search = '';
            } else {
                await startDownload();
            }
        });
    };

    const startDownload = async () => {
        let cancelled = false;
        const modal = new BootStrap4Model('Downloading');
        modal.show();
        modal.setCloseBtn('Cancel', async () => {
            cancelled = true;
            await idbKeyval.clear();
            registerMenu();
        });

        const values = [];
        let index = 1;
        const imgList = document.querySelectorAll("img.album-photo");
        for (const element of imgList) {
            const url = element.dataset.src;
            const fileName = url.split("/").pop();
            modal.setText(`Downloading ${page}-${index}-${fileName}...`);
            modal.setLoading(true);

            const blob = await fetch(url);
            values.push({
                name: `${page}-${index++}-${fileName}`,
                blob
            });
            await new Promise(resolve => setTimeout(resolve, 500));
            if (cancelled) {
                return;
            }
        }
        await idbKeyval.set(`page-${page}`, values);
        
        const lastPageUrl = document.querySelector(".page-item:last-of-type a")?.href;
        if (page === getPageFromUrl(lastPageUrl)) {
            const zip = new JSZip();
            const values = (await idbKeyval.values()).flat().slice(1);
            for (const { name, blob } of values) {
                zip.file(name, blob);
            }
            const zipBlob = await zip.generateAsync({ type: "blob" })
            const url = URL.createObjectURL(zipBlob);
            const title = document.querySelector(".h5.text-center.mb-3").textContent || 'album';
            GM_download(url, `${title}.zip`);
            await idbKeyval.clear();
            modal.setTitle('Downloaded Complete');
            modal.setText(`${values.length} images downloaded.`);
            modal.setLoading(false);
            modal.setCloseBtn('Close', () => modal.hide());
        } else {
            const nextPage = page + 1;
            await idbKeyval.set("downloadingStatus", {
                albumId: currentAlbumId,
                page: nextPage
            });
            location.search = `?page=${nextPage}`;
        }
    };

    if (downloadingAlbumId === currentAlbumId && downloadingPage === page) {
        await startDownload();
    } else {
        await idbKeyval.clear();
        registerMenu();
    }
})();