Blur NSFW profile avatars and banners unless the viewer has enabled NSFW

Hop-State: A_06FP9DH64R0TWDEQST5Z460
Hop-Proposal: R_06FP9DF1AKH8Z9GA7AD24G0
Hop-Task: T_06FP9B65YW8Z4VM9386KDB8
Hop-Attempt: AT_06FP9B65YZ94YY9QS6C6Q38

src/lib/nsfw/profile-media.test.ts

@@ -0,0 +1,20 @@
+import { describe, expect, it } from 'vitest';
+import { shouldBlurProfileMedia } from './profile-media';
+
+describe('shouldBlurProfileMedia', () => {
+    it('blurs sensitive account media for signed-out viewers', () => {
+        expect(shouldBlurProfileMedia({ accountIsNsfw: true, viewer: null })).toBe(true);
+    });
+
+    it('blurs every account from an NSFW node when the viewer has NSFW disabled', () => {
+        expect(shouldBlurProfileMedia({ nodeIsNsfw: true, viewer: { nsfwEnabled: false } })).toBe(true);
+    });
+
+    it('shows sensitive profile media when the viewer has enabled NSFW', () => {
+        expect(shouldBlurProfileMedia({ accountIsNsfw: true, nodeIsNsfw: true, viewer: { nsfwEnabled: true } })).toBe(false);
+    });
+
+    it('does not blur safe profile media', () => {
+        expect(shouldBlurProfileMedia({ viewer: null })).toBe(false);
+    });
+});

src/lib/nsfw/profile-media.ts

@@ -0,0 +1,15 @@
+export interface ProfileMediaViewer {
+    nsfwEnabled?: boolean;
+}
+
+export function shouldBlurProfileMedia({
+    accountIsNsfw = false,
+    nodeIsNsfw = false,
+    viewer,
+}: {
+    accountIsNsfw?: boolean;
+    nodeIsNsfw?: boolean;
+    viewer: ProfileMediaViewer | null;
+}): boolean {
+    return (accountIsNsfw || nodeIsNsfw) && viewer?.nsfwEnabled !== true;
+}