fix(message-parser): Relative URL being displayed as plain text (#736)

* fix(message-parser): Fixed Relative URL being displayed as plain text

* fix: Rollback URL protocol/schema max chars

* fix: Adding tests and fixing URL wrong format

Co-authored-by: Tasso Evangelista <tasso.evangelista@rocket.chat>

Author: hugocostadev

packages/message-parser/src/grammar.pegjs

@@ -135,8 +135,8 @@ Inline
       / Image
       / References
       / AutolinkedPhone
-      / AutolinkedURL
       / AutolinkedEmail
+      / AutolinkedURL
       / Emphasis
       / color
       / emoticon
@@ -151,7 +151,7 @@ Whitespace = w:$" "+ { return plain(w); }
 
 Escaped = "\\" t:$. { return plain(t); }
 
-Any = !EndOfLine t:$. { return plain(t); }
+Any = !EndOfLine t:$. u:$URL? { return plain(t + u); }
 
 // = Line
 
@@ -414,10 +414,18 @@ URL
       g:urlPath?
       h:urlQuery?
   )
+  / $(
+    urlAuthorityHost
+      p:urlPath?
+      q:urlQuery?
+      f:urlFragment?
+      g:urlPath?
+      h:urlQuery?
+  )
 
 urlScheme
   = $(
-    [A-Za-z]
+    [[A-Za-z]
       [A-Za-z0-9+.-]
       [A-Za-z0-9+.-]?
       [A-Za-z0-9+.-]?

packages/message-parser/src/utils.ts

@@ -69,8 +69,15 @@ export const strike = generate('STRIKE');
 export const codeLine = generate('CODE_LINE');
 export const link = (() => {
   const fn = generate('LINK');
-  return (src: string, label?: Markup) =>
-    fn({ src: plain(src), label: label || plain(src) });
+
+  return (src: string, label?: Markup) => {
+    const href =
+      src !== '' && !src.startsWith('http') && !src.startsWith('//')
+        ? `//${src}`
+        : src;
+
+    return fn({ src: plain(href), label: label || plain(src) });
+  };
 })();
 
 export const image = (() => {

packages/message-parser/tests/link.test.ts

@@ -1,5 +1,13 @@
 import { parser } from '../src';
-import { link, paragraph, plain, bold, strike, italic } from '../src/utils';
+import {
+  link,
+  paragraph,
+  plain,
+  bold,
+  strike,
+  italic,
+  quote,
+} from '../src/utils';
 
 test.each([
   [
@@ -10,9 +18,14 @@ test.each([
   [
     `<https://domain.com|Test
 >`,
+    [paragraph([plain('<https://domain.com|Test')]), paragraph([plain('>')])],
+  ],
+  [
+    `<https://domain.com|Test
+> quote here`,
     [
-      paragraph([plain('<'), link('https://domain.com'), plain('|Test')]),
-      paragraph([plain('>')]),
+      paragraph([plain('<https://domain.com|Test')]),
+      quote([paragraph([plain('quote here')])]),
     ],
   ],
   [
@@ -214,6 +227,14 @@ test.each([
       ]),
     ],
   ],
+  ['google.com', [paragraph([link('//google.com', plain('google.com'))])]],
+  ['www.google.com', [paragraph([link('www.google.com')])]],
+  ['rocket.chat:8080', [paragraph([link('rocket.chat:8080')])]],
+  ['ShouldNotBeALink', [paragraph([plain('ShouldNotBeALink')])]],
+  [
+    'http:/ google.com',
+    [paragraph([plain('http:/ '), link('//google.com', plain('google.com'))])],
+  ],
 ])('parses %p', (input, output) => {
   expect(parser(input)).toMatchObject(output);
 });

packages/message-parser/tests/url.test.ts

@@ -25,7 +25,7 @@ test.each([
     ],
   ],
   ['http:/rocket.chat/teste', [paragraph([plain('http:/rocket.chat/teste')])]],
-  ['http:/rocket.chat/', [paragraph([plain('http:/rocket.chat/')])]],
+  ['https:/rocket.chat/', [paragraph([plain('https:/rocket.chat/')])]],
   ['https://test', [paragraph([plain('https://test')])]],
   [
     'httpsss://rocket.chat/test',