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Reddit Video Downloader

A script to that allows you to download videos hosted on Reddit by pressing Ctrl+S or Meta+S on the comments section.

当前为 2018-03-10 提交的版本，查看 最新版本。

// ==UserScript==
// @name        Reddit Video Downloader
// @author      Berk "SAS41" Alyamach
// @homepage    https://github.com/sas41/
// @description A script to that allows you to download videos hosted on Reddit by pressing Ctrl+S or Meta+S on the comments section.

// @namespace   reddit
// @include     *://*reddit.com/r/*/*/*/*/

// @supportURL  https://github.com/sas41/RedditVideoDownloader/issues
// @version     1.0
// ==/UserScript==

var jsonLink = document.location.href + '.json';

function getJSON(url) {
    var xhr = new XMLHttpRequest();
    xhr.open('GET', url, true);
    xhr.responseType = 'json';
    xhr.onload = function() {
        var status = xhr.status;
        if (status === 200) {
            downloadURI(xhr.response.data.children[0].data.secure_media.reddit_video.fallback_url, "Video");
        }
        else
        {
            alert('Sorry, Download Failed');
        }
    };
    xhr.send();
}

function downloadURI(uri, name) {
  var link = document.createElement("a");
  link.download = name;
  link.href = uri;
  document.body.appendChild(link);
  link.click();
  document.body.removeChild(link);
}

$(window).bind('keydown', function(event) {
    if (event.ctrlKey || event.metaKey) {
        if (String.fromCharCode(event.which).toLowerCase() === 's')
        {
            event.preventDefault();
            getJSON(jsonLink, downloadVideo);
        }
    }
});