feat(isMagnetURI): support Bittorrent v2 (#1992)

* feat(isMagnetURI): support Bittorrent v2

* fix(isMagnetURI): make sure `xt=` is uri component

* Apply suggestions from code review

Co-authored-by: Sarhan Aissi <[email protected]>

Co-authored-by: Sarhan Aissi <[email protected]>

Author: Rhilip

src/lib/isMagnetURI.js

@@ -1,8 +1,13 @@
 import assertString from './util/assertString';
 
-const magnetURI = /^magnet:\?xt(?:\.1)?=urn:(?:aich|bitprint|btih|ed2k|ed2khash|kzhash|md5|sha1|tree:tiger):[a-z0-9]{32}(?:[a-z0-9]{8})?($|&)/i;
+const magnetURIComponent = /(?:^magnet:\?|[^?&]&)xt(?:\.1)?=urn:(?:(?:aich|bitprint|btih|ed2k|ed2khash|kzhash|md5|sha1|tree:tiger):[a-z0-9]{32}(?:[a-z0-9]{8})?|btmh:1220[a-z0-9]{64})(?:$|&)/i;
 
 export default function isMagnetURI(url) {
   assertString(url);
-  return magnetURI.test(url.trim());
+
+  if (url.indexOf('magnet:?') !== 0) {
+    return false;
+  }
+
+  return magnetURIComponent.test(url);
 }

test/validators.js

@@ -10256,6 +10256,8 @@ describe('Validators', () => {
         'magnet:?xt=urn:md5:ABCDEFGHIJKLMNOPQRSTUVWXYZ123456',
         'magnet:?xt=urn:tree:tiger:ABCDEFGHIJKLMNOPQRSTUVWXYZ123456',
         'magnet:?xt=urn:ed2k:ABCDEFGHIJKLMNOPQRSTUVWXYZ12345678901234',
+        'magnet:?tr=udp://helloworld:1337/announce&xt=urn:btih:ABCDEFGHIJKLMNOPQRSTUVWXYZ12345678901234',
+        'magnet:?xt=urn:btmh:1220caf1e1c30e81cb361b9ee167c4aa64228a7fa4fa9f6105232b28ad099f3a302e',
       ],
       invalid: [
         ':?xt=urn:btih:ABCDEFGHIJKLMNOPQRSTUVWXYZ12345678901234',
@@ -10268,6 +10270,8 @@ describe('Validators', () => {
         'magnet:?xt:urn:nonexisting:ABCDEFGHIJKLMNOPQRSTUVWXYZ12345678901234',
         'magnet:?xt.2=urn:btih:ABCDEFGHIJKLMNOPQRSTUVWXYZ12345678901234',
         'magnet:?xt=urn:ed2k:ABCDEFGHIJKLMNOPQRSTUVWXYZ12345678901234567890123456789ABCD',
+        'magnet:?xt=urn:btmh:1120caf1e1c30e81cb361b9ee167c4aa64228a7fa4fa9f6105232b28ad099f3a302e',
+        'magnet:?ttxt=urn:btmh:1220caf1e1c30e81cb361b9ee167c4aa64228a7fa4fa9f6105232b28ad099f3a302e',
       ],
     });
     /* eslint-enable max-len */