Phillip Tarrant
59dea99079
End-to-end passwordless admin auth. /admin/login accepts an email, POSTs
mint a 256-bit magic-link token stored only as SHA-256 in
magic_link_tokens (15-min TTL, single-use via atomic rowcount UPDATE).
Resend delivers the link; in dev with no API key, EmailService logs a
structured magic_link_dev_fallback event with the URL so the flow works
offline. /admin/auth/consume/{token} verifies, upserts a users row
(display_name from email local-part), creates a sessions row, and drops
an itsdangerous-signed cb_session cookie (HttpOnly, SameSite=Lax, Secure
in prod). /admin renders a placeholder "Welcome, <name>" page pending
Phase 4 CMS. /admin/logout flips revoked_at rather than deleting the row
to preserve the audit trail.
Rate limits use SlowAPI's in-memory limiter (5/15min/IP on login,
20/15min/IP on consume) plus a DB per-email count to catch
IP-rotating abuse. ADMIN_EMAILS enforces allowlist; non-allowlisted
submissions return the same "check your inbox" page with no token
inserted and no email sent (anti-enumeration). Every event lands in
auth_events via AuditService: link_requested, link_consumed,
consume_failed, session_created, session_revoked, rate_limited.
Add a production config validator refusing empty RESEND_API_KEY,
RESEND_FROM, or ADMIN_EMAILS; add PUBLIC_BASE_URL for email link
construction. CSRF deferred to Phase 6 per roadmap scoping; logout
handler marked # TODO(phase-6-csrf).
Mark Phase 3 complete in docs/ROADMAP.md.
49 lines
1.4 KiB
HTML
49 lines
1.4 KiB
HTML
{#
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Admin login form.
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Single email input, no JS. If the submitted address is on the
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allowlist (ADMIN_EMAILS env var), the POST handler emails a
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one-time magic link; otherwise it silently succeeds without
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sending (anti-enumeration).
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Context:
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- error : str | None (format validation errors only)
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- email : str (pre-fill on re-render after format error)
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#}
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{% extends "admin/base.html" %}
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{% block title %}Log in — Admin{% endblock %}
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{% block content %}
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<article class="page-article">
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<header class="page-article__header">
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<h1 class="page-article__title">Admin log in</h1>
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</header>
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<p>
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Enter your admin email and we'll send a one-time login link
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that expires after 15 minutes.
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</p>
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{% if error %}
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<p class="admin-flash admin-flash--error" role="alert">{{ error }}</p>
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{% endif %}
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<form class="contact-form" action="/admin/login" method="post" novalidate>
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<div class="contact-form__field">
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<label for="admin-email">Email</label>
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<input type="email"
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id="admin-email"
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name="email"
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autocomplete="email"
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value="{{ email or '' }}"
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required>
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</div>
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<div class="contact-form__actions">
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<button type="submit" class="btn btn--primary">Send login link</button>
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</div>
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</form>
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</article>
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{% endblock %}
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