Reddl

Reddit Preview Ctrl+s Downloading Utility - also applies to a few other sites - Only tested on Firefox

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Reddl
// @version      0.2.4
// @description  Reddit Preview Ctrl+s Downloading Utility - also applies to a few other sites - Only tested on Firefox
// @author       JFKennedy
// @license      MIT
// @match        https://*.reddit.com/media?url=*
// @match        https://w.wallha.com/*
// @match        https://get.wallhere.com/*
// @match        https://c.wallhere.com/*
// @match        https://*.wallhere.com/*
// @match        https://*.pinterest.com/*
// @match        https://*.pinterest.co.uk/*
// below this line match only the ones that are direct img serving!!
// @match        https://wallpapersmug.com/download/*
// @match        https://wallpapersmug.com/large/*
// @match        https://1.bp.blogspot.com/*/*
// @match        https://p*.wallpaperbetter.com/*/*
// @match        https://*.pinimg.com/*
// @match        https://images*.alphacoders.com/*
// @match        https://wallpaperaccess.com/full/*
// @match        https://www.wallpaperaccess.com/full/*
// @match        https://*.deviantart.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=reddit.com
// @grant        GM_xmlhttpRequest
// @connect      external-preview.redd.it
// @connect      i.redd.it
// @connect      *.redd.it
// @connect      *.reddit.com
// @connect      w.wallha.com
// @connect      get.wallhere.com
// @connect      c.wallhere.com
// @connect      *.pinimg.com
// @connect      i.pinimg.com
// @connect      wixmp.com
// @namespace    https://greasyfork.org/users/1202256
// ==/UserScript==

document.addEventListener('keydown', async e => {
    const fetchWithTampermonkey = async (url, responseType = 'blob') => {
        return new Promise((resolve, reject) => {
            const loader = document.createElement('div');
            loader.style.height = '4px';
            loader.style.width = '100vw';
            loader.style.position = 'fixed';
            loader.style.top = '0';
            loader.style.left = '0';
            loader.style.display = 'block';
            loader.style.background = '#1a1a1a00';
            const loaderInner = document.createElement('div');
            loaderInner.style.height = loader.style.height;
            loaderInner.style.width = '0';
            loaderInner.style.position = 'fixed';
            loaderInner.style.top = '0';
            loaderInner.style.left = '0';
            loaderInner.style.display = 'block';
            loaderInner.style.background = '#aa99ff';
            loader.appendChild(loaderInner);
            const loaderInner2 = document.createElement('div');
            loaderInner2.style.height = loader.style.height;
            loaderInner2.style.width = loader.style.height;
            loaderInner2.style.position = 'fixed';
            loaderInner2.style.top = '0';
            loaderInner2.style.right = '0';
            loaderInner2.style.display = 'block';
            loaderInner2.style.filter = 'blur(2px)';
            loaderInner2.style.background = loaderInner.style.background;
            loaderInner2.style.borderRadius = '128px';
            loaderInner.appendChild(loaderInner2);
            document.body.appendChild(loader);
            GM_xmlhttpRequest({
                method: 'GET',
                url,
                responseType, // specify the desired responseType
                onload: (response) => {
                    if (response.status === 200) {
                        if (responseType === 'blob') {
                            resolve(new Blob([response.response], { type: response.responseHeaders.match(/content-type: (.*)/i)[1] }));
                        } else {
                            resolve(response.responseText);
                        }
                        loader.remove();
                    } else {
                        setTimeout(() => loader.remove(), 1000)
                        loaderInner.style.background = '#ffaaaa'
                        loaderInner2.style.background = '#ffaaaa'
                        reject(new Error('Request failed with status ' + response.status));
                    }
                },
                onprogress: function (progress) {
                    const percent = progress.lengthComputable ? (progress.position / progress.totalSize) : 100;
                    console.log(progress, percent);
                    loaderInner.style.width = `${percent * 100}vw`
                    loaderInner2.style.left = loaderInner;
                },
                onerror: (error) => {
                    reject(error);
                },
            });
        });
    };
    const dl = async (url, filename) => {
        const data = await fetchWithTampermonkey(url);
        const dlUrl = URL.createObjectURL(data);
        const a = document.createElement('a');
        a.href = dlUrl;
        a.download = filename || ('img-' + Date.now());
        document.body.appendChild(a);
        a.click();
        a.remove();
    }


    if (e.key === 's' && e.ctrlKey) {
        switch (location.hostname) {
            case 'reddit.com':
            case 'redd.it':
            case 'www.reddit.com':
            case 'www.redd.it':
            case 'i.redd.it':
                {
                    const url = new URLSearchParams(location.search).get('url')
                    if (!url) return;
                    e.preventDefault()
                    const fname = (url.split('-').pop() || '').split('.');
                    fname.pop();
                    dl(url, `reddit-${fname.join('.') || `unknown-${Date.now()}`}.${url.split('.').pop()}`);
                    break;
                }
            case 'wallhere.com':
            case 'www.wallhere.com':
                {
                    const img = document.querySelector('img[itemprop="contentURL"]')
                    if (!img) return;
                    const url = img.src;
                    if (!url) return;
                    e.preventDefault()
                    const fname = (url.split('-').pop() || '').split('.');
                    fname.pop();
                    dl(dlUrl, `wall-${fname.join('.') || `unknown-${Date.now()}`}.${url.split('.').pop()}`);
                    break;
                }
            case 'i.pinimg.com':
            case 'pinimg.com':
            case 'w.wallha.com':
            case 'i.wallha.com':
            case 'get.wallhere.com':
            case 'c.wallhere.com':
                {
                    const img = document.querySelector('img')
                    if (!img) return console.warn('No image');
                    e.preventDefault()
                    dl(img.src);
                    break;
                }
            case 'pinterest.com':
            case 'pinterest.co.uk':
            case 'www.pinterest.com':
            case 'www.pinterest.co.uk':
                {
                    const img = document.querySelector('img[src*="pinimg.com"][loading="auto"]')
                    if (!img) return console.warn('No image');
                    e.preventDefault()
                    dl(img.src);
                    break;
                }
            case 'deviantart.com':
            case 'www.deviantart.com':
                {
                    const img = document.querySelector('img[property="contentUrl"][src*="wixmp.com"]')
                    if (!img) return console.warn('No image');
                    e.preventDefault()
                    dl(img.src);
                    break;
                }
            default:
                {
                    const img = document.querySelector('body > img:first-child')
                    if (img) {
                        e.preventDefault();
                        dl(img.src);
                    }
                }
        }
    }
})