fix(publishing): normalize media links to https

src/lib/utils/__tests__/url-utils.test.ts

@@ -8,7 +8,16 @@ vi.mock('../clipboard-utils', () => ({
   copyToClipboard: (text: string) => testState.copyToClipboardMock(text),
 }));
 
-import { copyShareLinkToClipboard, getHostname, is5chanLink, isValidCrossboardPattern, isValidURL, transform5chanLinkToInternal } from '../url-utils';
+import {
+  copyShareLinkToClipboard,
+  getHostname,
+  is5chanLink,
+  isValidCrossboardPattern,
+  isValidPublishURL,
+  isValidURL,
+  normalizePublishURL,
+  transform5chanLinkToInternal,
+} from '../url-utils';
 
 describe('url-utils', () => {
   beforeEach(() => {
@@ -22,6 +31,15 @@ describe('url-utils', () => {
     expect(isValidURL('not-a-url')).toBe(false);
   });
 
+  it('normalizes publish links to the https URLs accepted by communities', () => {
+    expect(normalizePublishURL(' http://i.imgur.com/YpB7qfa.jpg ')).toBe('https://i.imgur.com/YpB7qfa.jpg');
+    expect(normalizePublishURL('https://i.imgur.com/YpB7qfa.jpg')).toBe('https://i.imgur.com/YpB7qfa.jpg');
+    expect(isValidPublishURL('http://i.imgur.com/YpB7qfa.jpg')).toBe(true);
+    expect(isValidPublishURL('https://i.imgur.com/YpB7qfa.jpg')).toBe(true);
+    expect(isValidPublishURL('ftp://example.com/file.jpg')).toBe(false);
+    expect(isValidPublishURL('not-a-url')).toBe(false);
+  });
+
   it('copies share links for threads and catalog pages using the production fallback base url', async () => {
     await copyShareLinkToClipboard('music.eth', 'thread', 'cid-123');
     expect(testState.copyToClipboardMock).toHaveBeenCalledWith('https://5chan.app/#/music.eth/thread/cid-123');

src/lib/utils/url-utils.ts

@@ -5,7 +5,7 @@ export const QUOTE_NUMBER_REGEX = /(?<![>/\w])>>(\d+)/g;
 export const getHostname = (url: string) => {
   try {
     return new URL(url).hostname.replace(/^www\./, '');
-  } catch (e) {
+  } catch {
     return '';
   }
 };
@@ -19,6 +19,30 @@ export const isValidURL = (url: string) => {
   }
 };
 
+export const normalizePublishURL = (url: string) => {
+  const trimmedUrl = url.trim();
+
+  try {
+    const parsedUrl = new URL(trimmedUrl);
+    if (parsedUrl.protocol === 'http:') {
+      parsedUrl.protocol = 'https:';
+      return parsedUrl.toString();
+    }
+  } catch {
+    return trimmedUrl;
+  }
+
+  return trimmedUrl;
+};
+
+export const isValidPublishURL = (url: string) => {
+  try {
+    return new URL(normalizePublishURL(url)).protocol === 'https:';
+  } catch {
+    return false;
+  }
+};
+
 const CHAN_5_HOSTNAMES = ['5chan.app', '5chan.eth.limo', '5chan.eth.link', '5chan.eth.sucks', '5chan.netlify.app'];
 
 function getShareBaseUrl(): string {