crx DL link

by noromanba 2018-12-07 [2018/12/07 09:22:19]
(Forked from chrome web store crx download link by taizooo)

prompt download-link of Chrome Extension aka crx on Chrome Web Store

@@ -11,8 +11,6 @@
 // https://robwu.nl/crxviewer/
 //  https://github.com/Rob--W/crxviewer
 
-// https://stackoverflow.com/questions/7184793/how-to-download-a-crx-file-from-the-chrome-web-store-for-a-given-id
-
 // DEPRECATED: TODO fix
 // dev-doc c.f.
 // https://gist.github.com/noromanba/5776183
@@ -27,14 +25,17 @@
   const extid = location.pathname.split('/').filter(s => !!s).pop();
 
   // You can use http, but final url redirect to https
-  // OBSOLETE prod=chrome
   const link = new URL('https://clients2.google.com/service/update2/crx');
   // URLSearchParams c.f.
   // https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams
   link.searchParams.set('response', 'redirect');
   link.searchParams.set('x', 'id=' + extid + '&uc');
-  // perhaps Chrome/mium ver: 32 or higher e.g. 33, 64, 99
-  link.searchParams.set('prodversion', '999');
+  // Chrome/ium ver
+  // 32 or higher; e.g. 33, 64, 99, 999 to 2147483647 = 32-bit INT32 MAX c.f.
+  //  http://let.hatelabo.jp/noromanba/let/hJmdmMS2rstJ
+  // you can use manifest.json style; 70.0.0.0, 9999.9999.9999.9999 c.f.
+  //  https://developer.chrome.com/apps/manifest/version
+  link.searchParams.set('prodversion', -1 >>> 1);
   // crx2, crx3, ...
   link.searchParams.set('acceptformat', [
     ...Array(10).keys()
@@ -49,4 +50,7 @@
 // &prodversion=999
 // &acceptformat=crx2,crx3,crx4
 // &x=id%3Dpkehgijcmpdhfbdbbnkijodmdjhbjlgp%26uc
+//
+// OBSOLETE e.g. `prod=chrome`
+// https://stackoverflow.com/questions/7184793/how-to-download-a-crx-file-from-the-chrome-web-store-for-a-given-id
 

• /*
   * @title crx DL link
   * @description prompt download-link of Chrome Extension aka crx on Chrome Web Store
   * @include https://chrome.google.com/webstore/detail/*
   * @contributor taizooo http://let.hatelabo.jp/taizooo/let/gYC-x-e5r_G0bw (Fork of)
   * @license MIT License https://opensource.org/licenses/MIT
   * @javascript_url
   */
  
  // alternative
  // https://robwu.nl/crxviewer/
  //  https://github.com/Rob--W/crxviewer
  
  // DEPRECATED: TODO fix
  // dev-doc c.f.
  // https://gist.github.com/noromanba/5776183
  
  // e.g.
  // https://chrome.google.com/webstore/detail/privacy-badger/pkehgijcmpdhfbdbbnkijodmdjhbjlgp
  (() => {
    'use strict';
  
    // url syntax of Extension Page;
    // https://chrome.google.com/webstore/detail/[<EXTENSION_NAME>]/<EXTENSION_ID>[/]
    const extid = location.pathname.split('/').filter(s => !!s).pop();
  
    // You can use http, but final url redirect to https
    const link = new URL('https://clients2.google.com/service/update2/crx');
    // URLSearchParams c.f.
    // https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams
    link.searchParams.set('response', 'redirect');
    link.searchParams.set('x', 'id=' + extid + '&uc');
    // Chrome/ium ver
    // 32 or higher; e.g. 33, 64, 99, 999 to 2147483647 = 32-bit INT32 MAX c.f.
    //  http://let.hatelabo.jp/noromanba/let/hJmdmMS2rstJ
    // you can use manifest.json style; 70.0.0.0, 9999.9999.9999.9999 c.f.
    //  https://developer.chrome.com/apps/manifest/version
    link.searchParams.set('prodversion', -1 >>> 1);
    // crx2, crx3, ...
    link.searchParams.set('acceptformat', [
      ...Array(10).keys()
    ].map(v => 'crx' + v).join(','));
  
    window.prompt('.crx raw link', link);
  })();
  
  // DEV
  // https://clients2.google.com/service/update2/crx
  // ?response=redirect
  // &prodversion=999
  // &acceptformat=crx2,crx3,crx4
  // &x=id%3Dpkehgijcmpdhfbdbbnkijodmdjhbjlgp%26uc
  //
  // OBSOLETE e.g. `prod=chrome`
  // https://stackoverflow.com/questions/7184793/how-to-download-a-crx-file-from-the-chrome-web-store-for-a-given-id
  
  

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