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v1.5.1: frontend auth hardening — rate limiting, email verification, honeypots, CSV safety

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Security-only release per ADR-0001. Closes all six ship-blockers from the
post-v1.5.0 audit: PSEC-001 (no rate limiting), PSEC-002 (account
enumeration via separate error messages), PSEC-003 (registration auto-login
with no email verification), PSEC-004 (ungated "My Data" templates),
PSEC-005 (CSV formula injection on subscriber export), PSEC-006 (no
honeypot/CAPTCHA on public forms).

Adds inc/config.php (single source of truth for all security thresholds,
filterable via peptide_starter_security_config), inc/rate-limiter.php
(Peptide_Starter_Rate_Limiter + Cloudflare-aware client IP resolver,
transient-backed, never stores raw IPs), and inc/email-verification.php
(43-char token, 24h TTL, /verify rewrite, rate-limited resend endpoint).

Auth handlers rewritten to: unify all failure messages, rate-limit before
any expensive check, drop registrations with a filled honeypot silently,
stop auto-login on register, send a verification email instead. The
require_login() helper lives in inc/helpers.php and is applied at the top
of page-tracker.php, page-subject-log.php, and page-protocol-builder.php;
page-calculator.php stays open (no PII, no writes).

Newsletter signup gains: consent checkbox, privacy link, honeypot,
autoload=false on the wp_options blob, unsubscribe token stored per row,
/newsletter-unsubscribe route, merged success+duplicate into a single "ok"
state. Admin export runs every cell through peptide_starter_csv_safe()
which prefixes leading =/+/-/@/tab/CR with a quote.

Contact handler hardens against email-header injection (rejects name
values with \r \n , < >), rate-limits, honors honeypot, tags mail
failures with a request ID for correlation without logging message
content.

Adds Tools → Mail Test (inc/mail-diagnostic.php): a permanent wp_mail
probe so we can check Hostinger outbound deliverability any time it looks
flaky. Adds a one-time admin_init migration that enrols pre-v1.5.1
subscribers into the verification flow (currently a no-op — zero users —
but guarded for the future).

Other cleanup from the audit: fallback primary menu moved out of
header.php into inc/helpers.php (redeclaration risk), placeholder footer
language links replaced with "Translations coming soon", footer copyright
now reads through the customizer getter, settings-panel gains a proper
Tab/Shift+Tab focus trap and saves/restores body overflow, documentation
heading IDs slugified from heading text with collision counters, JS files
standardized on const/let.

Six new PHPUnit suites cover rate limiter lifecycle, auth handler error
unification and rate limits, email verification token generation and
expiry, contact handler header injection + rate limit + honeypot,
newsletter signup consent + CSV safety, and require_login gate behavior.

ARCHITECTURE.md and CONVENTIONS.md updated in the same commit — new
module layout, data flows, security patterns for rate-limiting,
honeypotting, gating, and CSV-safe export.

Version bumped to 1.5.1 in style.css and functions.php.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
peptiderepo
2026-04-14 13:01:22 +07:00
parent d28d5f45d5
commit cb8b73f4ab
34 changed files with 2816 additions and 745 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
header.php
View File

@@ -155,36 +155,6 @@
</div>
<?php
/**
* Fallback menu if none is set — provides the new nav structure.
*/
function peptide_starter_primary_menu_fallback() {
?>
<ul>
<li><a href="<?php echo esc_url( home_url( '/' ) ); ?>"><?php esc_html_e( 'Home', 'peptide-starter' ); ?></a></li>
<li class="menu-item-has-children">
<a href="#"><?php esc_html_e( 'Tools', 'peptide-starter' ); ?></a>
<ul class="sub-menu">
<li><a href="<?php echo esc_url( home_url( '/calculator' ) ); ?>"><?php esc_html_e( 'Calculator', 'peptide-starter' ); ?></a></li>
<li><a href="<?php echo esc_url( home_url( '/protocol-builder' ) ); ?>"><?php esc_html_e( 'Protocol Builder', 'peptide-starter' ); ?></a></li>
<li><a href="<?php echo esc_url( home_url( '/tracker' ) ); ?>"><?php esc_html_e( 'Tracker', 'peptide-starter' ); ?></a></li>
</ul>
</li>
<li class="menu-item-has-children">
<a href="#"><?php esc_html_e( 'My Data', 'peptide-starter' ); ?></a>
<ul class="sub-menu">
<li><a href="<?php echo esc_url( home_url( '/peptides' ) ); ?>"><?php esc_html_e( 'Peptides', 'peptide-starter' ); ?></a></li>
<li><a href="<?php echo esc_url( home_url( '/subject-log' ) ); ?>"><?php esc_html_e( 'Subject Log', 'peptide-starter' ); ?></a></li>
</ul>
</li>
<li class="menu-item-has-children">
<a href="#"><?php esc_html_e( 'Resources', 'peptide-starter' ); ?></a>
<ul class="sub-menu">
<li><a href="<?php echo esc_url( home_url( '/documentation' ) ); ?>"><?php esc_html_e( 'Documentation', 'peptide-starter' ); ?></a></li>
<li><a href="<?php echo esc_url( home_url( '/news' ) ); ?>"><?php esc_html_e( 'Science Feed', 'peptide-starter' ); ?></a></li>
</ul>
</li>
</ul>
<?php
}
// Nav fallback lives in inc/helpers.php as of v1.5.1 to prevent redeclaration
// if header.php is ever included more than once in a request.
?>