fix(post form): block temporary media links

src/components/reply-modal/__tests__/reply-modal.test.tsx

@@ -414,6 +414,12 @@ describe('ReplyModal', () => {
     expect(container.textContent).toContain('error: invalid_url_alert');
     expect(testState.setPublishReplyOptionsMock).toHaveBeenCalledWith({ spoiler: true });
 
+    await dispatchInput(linkInput, 'https://temp.sh/example.png');
+    await clickButtonByText('post');
+
+    expect(container.textContent).toContain('error: expiring_media_link_alert:{"domain":"temp.sh"}');
+    expect(testState.publishReplyMock).not.toHaveBeenCalled();
+
     await dispatchInput(linkInput, 'https://example.com/file.png');
     await clickButtonByText('post');
 

src/components/reply-modal/reply-modal.tsx

@@ -3,6 +3,7 @@ import { useLocation, useParams } from 'react-router-dom';
 import { useTranslation } from 'react-i18next';
 import type { TFunction } from 'i18next';
 import { setAccount, useAccount } from '@bitsocial/bitsocial-react-hooks';
+import { getExpiringMediaLinkAlert } from '../../lib/utils/media-link-validation-utils';
 import { getPublishURLFilename, isValidPublishURL } from '../../lib/utils/url-utils';
 import { isAllView, isModView, isSubscriptionsView } from '../../lib/utils/view-utils';
 import useSelectedTextStore from '../../stores/use-selected-text-store';
@@ -103,6 +104,11 @@ const ReplyModal = ({ closeModal, showReplyModal, parentCid, parentNumber, threa
       setError(t('error') + ': ' + t('invalid_url_alert'));
       return;
     }
+    const expiringMediaLinkAlert = currentUrl ? getExpiringMediaLinkAlert(currentUrl, t) : null;
+    if (expiringMediaLinkAlert) {
+      setError(expiringMediaLinkAlert);
+      return;
+    }
 
     checkContentLengthRef.current.cancel();
     setLengthError(null);