initial commit

.eslintignore

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+dist/*

.eslintrc

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+{
+    "env": {
+        "browser": true,
+        "commonjs": true,
+        "es6": true,
+        "node": true
+    },
+    "extends": "eslint:recommended",
+    "parserOptions": {
+        "ecmaVersion": 2019,
+        "sourceType": "module",
+        "ecmaFeatures": {
+            "jsx": true
+        }
+    },
+    "rules": {
+        "indent": [
+            "error",
+            4
+        ],
+        "linebreak-style": [
+            "error",
+            "unix"
+        ],
+        "quotes": [
+            "warn",
+            "double"
+        ],
+        "semi": [
+            "warn",
+            "never"
+        ],
+        "no-console": "off"
+    }
+}

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# next.js build output
+.next
+
+# parcel build cache
+.cache
+
+package-lock.json

LICENSE

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+MIT License
+
+Copyright (c) 2019 Xmader
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

dist/main.js

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+// ==UserScript==
+// @name         musescore-downloader
+// @namespace    https://www.xmader.com/
+// @version      0.1.0
+// @description  免登录、免 Musescore Pro，下载 musescore.com 上的曲谱
+// @author       Xmader
+// @match        https://musescore.com/user/*/scores/*
+// @license      MIT
+// @copyright    Copyright (c) 2019 Xmader
+// @grant        none
+// ==/UserScript==
+
+(function () {
+    'use strict';
+
+    const getIndexPath = (id) => {
+        const idStr = String(id);
+        // 获取最后三位，倒序排列
+        // "5449062" -> ["2", "6", "0"]
+        const indexN = idStr.split("").reverse().slice(0, 3);
+        return indexN.join("/");
+    };
+
+    // @ts-ignore
+    const scorePlayer = window.UGAPP.store.jmuse_settings.score_player;
+    const { id, vid } = scorePlayer.json;
+    const baseURL = scorePlayer.urls.image_path;
+    const scoreHexId = baseURL.split("/").filter(Boolean).reverse()[1];
+    const msczURL = `https://musescore.com/static/musescore/scoredata/score/${getIndexPath}/${id}/score_${vid}_${scoreHexId}.mscz`;
+    const pdfURL = baseURL + "score_full.pdf";
+    const mxlURL = baseURL + "score.mxl";
+    const { midi: midiURL, mp3: mp3URL } = scorePlayer.urls;
+    const btnsDiv = document.querySelectorAll("aside section > div")[3];
+    const downloadBtn = btnsDiv.querySelector("button");
+    downloadBtn.onclick = null;
+    const downloadURLs = {
+        "Musescore": msczURL,
+        "PDF": pdfURL,
+        "MusicXML": mxlURL,
+        "MIDI": midiURL,
+        "MP3": mp3URL,
+    };
+    const newDownloadBtns = Object.keys(downloadURLs).map((name) => {
+        const url = downloadURLs[name];
+        const btn = downloadBtn.cloneNode(true);
+        btn.onclick = () => {
+            window.open(url);
+        };
+        return btn;
+    });
+    downloadBtn.replaceWith(...newDownloadBtns);
+
+}());

package.json

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+{
+  "name": "musescore-downloader",
+  "version": "0.1.0",
+  "description": "免登录、免 Musescore Pro，下载 musescore.com 上的曲谱",
+  "main": "dist/main.js",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/Xmader/musescore-downloader.git"
+  },
+  "author": "Xmader",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/Xmader/musescore-downloader/issues"
+  },
+  "homepage": "https://github.com/Xmader/musescore-downloader#readme",
+  "devDependencies": {
+    "rollup": "^1.26.3",
+    "rollup-plugin-typescript": "^1.0.1",
+    "tslib": "^1.10.0",
+    "typescript": "^3.6.4"
+  },
+  "scripts": {
+    "build": "rollup -c",
+    "watch": "npm run build -- --watch",
+    "bump-version:patch": "npm version patch --no-git-tag",
+    "bump-version:minor": "npm version minor --no-git-tag"
+  }
+}

rollup.config.js

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+import typescript from "rollup-plugin-typescript"
+import fs from "fs"
+import { version } from "./package.json"
+
+let bannerText = fs.readFileSync("./src/meta.js", "utf-8")
+bannerText = bannerText.replace("%VERSION%", version)
+
+export default {
+    input: "src/main.ts",
+    output: {
+        file: "dist/main.js",
+        format: "iife",
+        banner: bannerText,
+    },
+    plugins: [
+        typescript({
+            target: "ES6",
+            lib: [
+                "ES6",
+                "dom"
+            ],
+        })
+    ]
+}

src/main.ts

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+import "./meta"
+
+import { ScorePlayerData } from "./types"
+import { getIndexPath } from "./utils"
+
+// @ts-ignore
+const scorePlayer: ScorePlayerData = window.UGAPP.store.jmuse_settings.score_player
+
+const { id, vid } = scorePlayer.json
+const baseURL = scorePlayer.urls.image_path
+const scoreHexId = baseURL.split("/").filter(Boolean).reverse()[1]
+
+const msczURL = `https://musescore.com/static/musescore/scoredata/score/${getIndexPath}/${id}/score_${vid}_${scoreHexId}.mscz`
+const pdfURL = baseURL + "score_full.pdf"
+const mxlURL = baseURL + "score.mxl"
+const { midi: midiURL, mp3: mp3URL } = scorePlayer.urls
+
+const btnsDiv = document.querySelectorAll("aside section > div")[3]
+const downloadBtn = btnsDiv.querySelector("button")
+downloadBtn.onclick = null
+
+const downloadURLs = {
+    "Musescore": msczURL,
+    "PDF": pdfURL,
+    "MusicXML": mxlURL,
+    "MIDI": midiURL,
+    "MP3": mp3URL,
+}
+
+const newDownloadBtns = Object.keys(downloadURLs).map((name) => {
+    const url = downloadURLs[name]
+
+    const btn = downloadBtn.cloneNode(true) as HTMLButtonElement
+    btn.onclick = () => {
+        window.open(url)
+    }
+
+    return btn
+})
+
+downloadBtn.replaceWith(...newDownloadBtns)

src/meta.js

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+// ==UserScript==
+// @name         musescore-downloader
+// @namespace    https://www.xmader.com/
+// @version      %VERSION%
+// @description  免登录、免 Musescore Pro，下载 musescore.com 上的曲谱
+// @author       Xmader
+// @match        https://musescore.com/user/*/scores/*
+// @license      MIT
+// @copyright    Copyright (c) 2019 Xmader
+// @grant        none
+// ==/UserScript==

src/types.ts

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+
+interface SourceData {
+    type: string;  // "audio"
+    title: string;  // "Musescore audio"
+    nid: number;
+}
+
+type CommentData = any;
+
+interface PartData {
+    part: {
+        name: string;
+        program: number;
+    }
+}
+
+interface Metadata {
+    title: string;
+    subtitle?: string;
+    composer?: string;
+    poet?: string;
+    pages: number;
+    measures: number;
+    lyrics: number;
+    chordnames: number;
+    keysig: number;
+    duration: number;
+    dimensions: number;
+    parts: PartData[];
+}
+
+interface ScoreJson {
+    id: number;
+    vid: number;
+    dates: {
+        revised: number;
+    };
+    secret: string;
+    permalink: string;
+    custom_url: string;
+    format: string;  // "0"
+    has_custom_audio: 0 | 1;
+    metadata: Metadata;
+}
+
+interface UrlsData {
+    midi: string;
+    mp3: string;
+    space: string;
+    image_path: string;
+    media?: string[];
+}
+
+interface AccessControlData {
+    enabled: boolean;
+    hasAccess: boolean;
+}
+
+interface PianoKeyboardData extends AccessControlData {
+    midiUrl: string;
+}
+
+interface PianoRollData extends AccessControlData {
+    resourcesUrl: string;
+    feedbackUrl: string;
+    forceShow: boolean;
+}
+
+export interface ScorePlayerData {
+    embed: boolean;
+    sources: SourceData[];
+    default_source?: SourceData;
+    mixer?: string;
+    secondaryMixer?: string;
+    bucket?: string;  // "https://musescore.com/static/musescore/scoredata"
+    json: ScoreJson;
+    render_vector: boolean;
+    comments: CommentData[];
+    score_id: number;
+    urls: UrlsData;
+    sendEvents?: boolean;
+    pianoKeyboard: PianoKeyboardData;
+    pianoRoll: PianoRollData;
+}

src/utils.ts

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+
+export const getIndexPath = (id: number) => {
+    const idStr = String(id)
+    // 获取最后三位，倒序排列
+    // "5449062" -> ["2", "6", "0"]
+    const indexN = idStr.split("").reverse().slice(0, 3)
+    return indexN.join("/")
+}