fix: support command-line tool

LibreScore · Apr 16, 2024 · 402b391 · 402b391
1 parent 83b2036
commit 402b391
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Showing 3 changed files with 39 additions and 17 deletions.
diff --git a/src/cli.ts b/src/cli.ts
@@ -603,20 +603,32 @@ void (async () => {
  switch (type) {
  case "midi": {
  fileExt = "mid";
- const fileUrl = await getFileUrl(scoreinfo.id, "midi");
+ const fileUrl = await getFileUrl(
+ scoreinfo.id,
+ "midi",
+ argv.input
+ );
  fileData = await fetchBuffer(fileUrl);
  break;
  }
  case "mp3": {
  fileExt = "mp3";
- const fileUrl = await getFileUrl(scoreinfo.id, "mp3");
+ const fileUrl = await getFileUrl(
+ scoreinfo.id,
+ "mp3",
+ argv.input
+ );
  fileData = await fetchBuffer(fileUrl);
  break;
  }
  case "pdf": {
  fileExt = "pdf";
  fileData = Buffer.from(
- await exportPDF(scoreinfo, scoreinfo.sheet)
+ await exportPDF(
+ scoreinfo,
+ scoreinfo.sheet,
+ argv.input
+ )
  );
  break;
  }

diff --git a/src/file.ts b/src/file.ts
@@ -7,15 +7,22 @@ import { auths } from "./file-magics";
 
 export type FileType = "img" | "mp3" | "midi";
 
-const getSuffix = async (): Promise<string> => {
- const suffixElement =
- (document.head.querySelector(
- "link[href^='https://musescore.com/static/public/build/musescore_es6/20']"
- ) as HTMLLinkElement) ??
- (document.head.querySelector(
- "link[href^='https://musescore.com/static/public/build/musescore/20']"
- ) as HTMLLinkElement);
- const suffixUrl = suffixElement?.href;
+const getSuffix = async (scoreUrl: string): Promise<string> => {
+ let suffixUrl;
+ if (scoreUrl !== "") {
+ suffixUrl = (await (await fetch(scoreUrl)).text()).match(
+ '<link href="(https://musescore.com/static/public/build/musescore(?:_es6)?/20.+?.js)"'
+ )?.[1]!;
+ } else {
+ const suffixElement =
+ (document.head.querySelector(
+ "link[href^='https://musescore.com/static/public/build/musescore_es6/20']"
+ ) as HTMLLinkElement) ??
+ (document.head.querySelector(
+ "link[href^='https://musescore.com/static/public/build/musescore/20']"
+ ) as HTMLLinkElement);
+ suffixUrl = suffixElement?.href;
+ }
  const suffixJs = await fetch(suffixUrl);
  return (await suffixJs.text()).match(
  '(?:.*)"(.+)"\\)\\.substr\\(0,4\\)'
@@ -29,9 +36,10 @@ const getApiUrl = (id: number, type: FileType, index: number): string => {
 const getApiAuth = async (
  id: number,
  type: FileType,
- index: number
+ index: number,
+ scoreUrl: string
 ): Promise<string> => {
- const code = `${id}${type}${index}${await getSuffix()}`;
+ const code = `${id}${type}${index}${await getSuffix(scoreUrl)}`;
  return md5(code).slice(0, 4);
 };
 
@@ -137,11 +145,12 @@ const getApiAuthNetwork = async (
 export const getFileUrl = async (
  id: number,
  type: FileType,
+ scoreUrl = "",
  index = 0,
  _fetch = getFetch()
 ): Promise<string> => {
  const url = getApiUrl(id, type, index);
- let auth = await getApiAuth(id, type, index);
+ let auth = await getApiAuth(id, type, index, scoreUrl);
 
  let r = await _fetch(url, {
  headers: {

diff --git a/src/pdf.ts b/src/pdf.ts
@@ -39,7 +39,8 @@ const _exportPDFNode: _ExFn = async (imgURLs, imgType, dimensions) => {
 
 export const exportPDF = async (
  scoreinfo: ScoreInfo,
- sheet: SheetInfo
+ sheet: SheetInfo,
+ scoreUrl = ""
 ): Promise<ArrayBuffer> => {
  const imgType = sheet.imgType;
  const pageCount = sheet.pageCount;
@@ -50,7 +51,7 @@ export const exportPDF = async (
  return sheet.thumbnailUrl;
  } else {
  // obtain image urls using the API
- return getFileUrl(scoreinfo.id, "img", i);
+ return getFileUrl(scoreinfo.id, "img", scoreUrl, i);
  }
  });
  const sheetImgURLs = await Promise.all(rs);