☰

Bandcamp Download Button

A simple download button for Bandcamp and Bandcamp based sites

当前为 2020-12-17 提交的版本，查看 最新版本。

// ==UserScript==
// @name         Bandcamp Download Button
// @namespace    https://flawcra.cc
// @version      1.0.1
// @description  A simple download button for Bandcamp and Bandcamp based sites
// @author       FlawCra
// @match        https://*.bandcamp.com/track/*
// @match        https://*.bandcamp.com/album/*
// @match        https://music.monstercat.com/album/*
// @match        https://music.monstercat.com/track/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    var bar = document.getElementsByClassName("share-collect-controls")[0]
    var spacer = document.createElement("a");
    spacer.setAttribute("id", "collect-anchor");
    bar.appendChild(spacer);
    var elem = document.createElement("li");
    elem.setAttribute("id", "download-item");
    elem.setAttribute("class", "download");

    var action = document.createElement("span");
    action.setAttribute("id", "download-msg");
    action.setAttribute("class", "action compound-button");
    action.setAttribute("title", "Download this track");
    action.addEventListener("click", () => {
        if(document.getElementsByTagName("audio")[0].src) {
            fetch("https://cors.flawcra.cc/"+btoa(document.getElementsByTagName("audio")[0].src)).then(function(t) {
                return t.blob().then((b)=>{
                    var a = document.createElement("a");
                    a.href = URL.createObjectURL(b);
                    if(document.getElementsByClassName("title")[0].innerText) {
                        a.setAttribute("download", document.getElementById("name-section").children[1].firstElementChild.innerText + " - " +document.getElementsByClassName("trackTitle")[0].innerText + " - " + document.getElementsByClassName("title")[0].innerText + ".mp3");
                    } else {
                        a.setAttribute("download", document.getElementById("name-section").children[1].firstElementChild.innerText + " - " +document.getElementsByClassName("trackTitle")[0].innerText + ".mp3");
                    }
                    a.click();
                });
            });
        } else {
            alert("Please play a song first!")
        }
    });

    var msg = document.createElement("span");
    action.setAttribute("class", "download-msg");

    var textwrapper = document.createElement("span");
    var btntext = document.createElement("a");
    btntext.innerText = "Download";

    textwrapper.appendChild(btntext);
    msg.appendChild(textwrapper);
    action.appendChild(msg);
    elem.appendChild(action);
    bar.appendChild(elem);
})();