Files
Ricardo 12454749ad fix: comprehensive security, performance, and architecture audit fixes
27 issues fixed from multi-dimensional code review (4 Critical, 6 High, 11 Medium, 6 Low):

Security (Critical):
- Escape HTML in OAuth authorization page to prevent XSS (C1)
- Add CSRF protection to OAuth authorize flow (C2)
- Replace bypassable regex sanitizer with sanitize-html library (C3)
- Enforce OAuth scopes on all Mastodon API routes (C4)

Security (Medium/Low):
- Fix SSRF via DNS resolution before private IP check (M1)
- Add rate limiting to API, auth, and app registration endpoints (M2)
- Validate redirect_uri on POST /oauth/authorize (M4)
- Fix custom emoji URL injection with scheme validation + escaping (M5)
- Remove data: scheme from allowed image sources (L6)
- Add access token expiry (1hr) and refresh token rotation (90d) (M3)
- Hash client secrets before storage (L3)

Architecture:
- Extract batch-broadcast.js — shared delivery logic (H1a)
- Extract init-indexes.js — MongoDB index creation (H1b)
- Extract syndicator.js — syndication logic (H1c)
- Create federation-actions.js facade for controllers (M6)
- index.js reduced from 1810 to ~1169 lines (35%)

Performance:
- Cache moderation data with 30s TTL + write invalidation (H6)
- Increase inbox queue throughput to 10 items/sec (H5)
- Make account enrichment non-blocking with fire-and-forget (H4)
- Remove ephemeral getReplies/getLikes/getShares from ingest (M11)
- Fix LRU caches to use true LRU eviction (L1)
- Fix N+1 backfill queries with batch $in lookup (L2)

UI/UX:
- Split 3441-line reader.css into 15 feature-scoped files (H2)
- Extract inline Alpine.js interaction component (H3)
- Reduce sidebar navigation from 7 to 3 items (M7)
- Add ARIA live regions for dynamic content updates (M8)
- Extract shared CW/non-CW content partial (M9)
- Document form handling pattern convention (M10)
- Add accessible labels to functional emoji icons (L4)
- Convert profile editor to Alpine.js (L5)

Audit: documentation-central/audits/2026-03-24-activitypub-code-review.md
Plan: documentation-central/plans/2026-03-24-activitypub-audit-fixes.md
2026-03-25 07:41:20 +01:00

378 lines
8.3 KiB
CSS

/* ==========================================================================
Item Card — Base
========================================================================== */
.ap-card {
background: var(--color-offset);
border: var(--border-width-thin) solid var(--color-outline);
border-left: 3px solid var(--color-outline);
border-radius: var(--border-radius-small);
overflow: hidden;
padding: var(--space-m);
box-shadow: 0 1px 2px hsl(var(--tint-neutral) 10% / 0.04);
transition:
box-shadow 0.2s ease,
border-color 0.2s ease;
}
.ap-card:hover {
border-color: var(--color-outline-variant);
border-left-color: var(--color-outline-variant);
box-shadow: 0 2px 8px hsl(var(--tint-neutral) 10% / 0.08);
}
/* ==========================================================================
Item Card — Post Type Differentiation
========================================================================== */
/* Notes: default purple-ish accent (the most common type) */
.ap-card--note {
border-left-color: var(--color-purple45);
}
.ap-card--note:hover {
border-left-color: var(--color-purple45);
}
/* Articles: green accent (long-form content stands out) */
.ap-card--article {
border-left-color: var(--color-green50);
}
.ap-card--article:hover {
border-left-color: var(--color-green50);
}
/* Boosts: yellow accent (shared content) */
.ap-card--boost {
border-left-color: var(--color-yellow50);
}
.ap-card--boost:hover {
border-left-color: var(--color-yellow50);
}
/* Replies: blue accent (via primary color) */
.ap-card--reply {
border-left-color: var(--color-primary);
}
.ap-card--reply:hover {
border-left-color: var(--color-primary);
}
/* ==========================================================================
Boost Header
========================================================================== */
.ap-card__boost {
color: var(--color-on-offset);
font-size: var(--font-size-s);
margin-bottom: var(--space-s);
padding-bottom: var(--space-xs);
}
.ap-card__boost a {
color: var(--color-on-offset);
font-weight: 600;
text-decoration: none;
}
.ap-card__boost a:hover {
color: var(--color-on-background);
text-decoration: underline;
}
/* ==========================================================================
Reply Context
========================================================================== */
.ap-card__reply-to {
color: var(--color-on-offset);
font-size: var(--font-size-s);
margin-bottom: var(--space-s);
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.ap-card__reply-to a {
color: var(--color-primary-on-background);
text-decoration: none;
}
.ap-card__reply-to a:hover {
text-decoration: underline;
}
/* ==========================================================================
Author Header
========================================================================== */
.ap-card__author {
align-items: center;
display: flex;
gap: var(--space-s);
margin-bottom: var(--space-s);
}
.ap-card__avatar-wrap {
flex-shrink: 0;
height: 44px;
position: relative;
width: 44px;
}
.ap-card__avatar {
border: var(--border-width-thin) solid var(--color-outline);
border-radius: 50%;
height: 44px;
object-fit: cover;
width: 44px;
}
.ap-card__avatar-wrap > img {
position: absolute;
inset: 0;
z-index: 1;
}
.ap-card__avatar--default {
align-items: center;
background: var(--color-offset-variant);
color: var(--color-on-offset);
display: inline-flex;
font-size: 1.1em;
font-weight: 600;
justify-content: center;
}
.ap-card__author-info {
display: flex;
flex-direction: column;
flex: 1;
gap: 1px;
min-width: 0;
}
.ap-card__author-name {
font-size: 0.95em;
font-weight: 600;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.ap-card__author-name a {
color: inherit;
text-decoration: none;
}
.ap-card__author-name a:hover {
text-decoration: underline;
}
.ap-card__bot-badge {
display: inline-block;
font-size: 0.6rem;
font-weight: 700;
line-height: 1;
padding: 0.15em 0.35em;
margin-left: 0.3em;
border: var(--border-width-thin) solid var(--color-on-offset);
border-radius: var(--border-radius-small);
color: var(--color-on-offset);
vertical-align: middle;
text-transform: uppercase;
letter-spacing: 0.03em;
}
.ap-card__author-handle {
color: var(--color-on-offset);
font-size: var(--font-size-s);
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.ap-card__timestamp {
color: var(--color-on-offset);
flex-shrink: 0;
font-size: var(--font-size-s);
}
.ap-card__edited {
font-size: var(--font-size-xs);
margin-left: 0.2em;
}
.ap-card__visibility {
font-size: var(--font-size-xs);
margin-left: 0.3em;
opacity: 0.7;
}
.ap-card__timestamp-link {
color: inherit;
text-decoration: none;
display: flex;
align-items: center;
gap: 0;
}
.ap-card__timestamp-link:hover {
text-decoration: underline;
color: var(--color-primary-on-background);
}
/* ==========================================================================
Post Title (Articles)
========================================================================== */
.ap-card__title {
font-size: var(--font-size-l);
font-weight: 600;
line-height: var(--line-height-tight);
margin-bottom: var(--space-s);
}
.ap-card__title a {
color: inherit;
text-decoration: none;
}
.ap-card__title a:hover {
text-decoration: underline;
}
/* ==========================================================================
Content
========================================================================== */
.ap-card__content {
color: var(--color-on-background);
line-height: calc(4 / 3 * 1em);
margin-bottom: var(--space-s);
overflow-wrap: break-word;
word-break: break-word;
}
.ap-card__content a {
color: var(--color-primary-on-background);
}
.ap-card__content p {
margin-bottom: var(--space-xs);
}
.ap-card__content p:last-child {
margin-bottom: 0;
}
.ap-card__content blockquote {
border-left: var(--border-width-thickest) solid var(--color-outline);
margin: var(--space-s) 0;
padding-left: var(--space-m);
}
.ap-card__content pre {
background: var(--color-offset-variant);
border-radius: var(--border-radius-small);
overflow-x: auto;
padding: var(--space-s);
}
.ap-card__content code {
background: var(--color-offset-variant);
border-radius: var(--border-radius-small);
font-size: 0.9em;
padding: 1px 4px;
}
.ap-card__content pre code {
background: none;
padding: 0;
}
.ap-card__content img {
border-radius: var(--border-radius-small);
height: auto;
max-width: 100%;
}
/* @mentions — keep inline, style as subtle links */
.ap-card__content .h-card {
display: inline;
}
.ap-card__content .h-card a,
.ap-card__content a.u-url.mention {
display: inline;
color: var(--color-on-offset);
text-decoration: none;
white-space: nowrap;
}
.ap-card__content .h-card a span,
.ap-card__content a.u-url.mention span {
display: inline;
}
.ap-card__content .h-card a:hover,
.ap-card__content a.u-url.mention:hover {
color: var(--color-primary-on-background);
text-decoration: underline;
}
/* Hashtag mentions — keep inline, subtle styling */
.ap-card__content a.mention.hashtag {
display: inline;
color: var(--color-on-offset);
text-decoration: none;
white-space: nowrap;
}
.ap-card__content a.mention.hashtag span {
display: inline;
}
.ap-card__content a.mention.hashtag:hover {
color: var(--color-primary-on-background);
text-decoration: underline;
}
/* Mastodon's invisible/ellipsis spans for long URLs */
.ap-card__content .invisible {
display: none;
}
.ap-card__content .ellipsis::after {
content: "…";
}
/* ==========================================================================
Content Warning
========================================================================== */
.ap-card__cw {
margin-bottom: var(--space-s);
}
.ap-card__cw-toggle {
background: var(--color-offset-variant);
border: var(--border-width-thin) solid var(--color-outline);
border-radius: var(--border-radius-small);
color: var(--color-on-background);
cursor: pointer;
display: block;
font-size: var(--font-size-s);
padding: var(--space-s) var(--space-m);
text-align: left;
transition: background 0.2s ease;
width: 100%;
}
.ap-card__cw-toggle:hover {
background: var(--color-offset-variant-darker);
}