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webhooker/templates/login.html
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feat: add CSRF protection, SSRF prevention, and login rate limiting
Security hardening implementing three issues:

CSRF Protection (#35):
- Session-based CSRF tokens with cryptographically random generation
- Constant-time token comparison to prevent timing attacks
- CSRF middleware applied to /pages, /sources, /source, and /user routes
- Hidden csrf_token field added to all 12+ POST forms in templates
- Excluded from /webhook (inbound) and /api (stateless) routes

SSRF Prevention (#36):
- ValidateTargetURL blocks private/reserved IP ranges at target creation
- Blocked ranges: 127.0.0.0/8, 10.0.0.0/8, 172.16.0.0/12,
  192.168.0.0/16, 169.254.0.0/16, ::1, fc00::/7, fe80::/10, plus
  multicast, reserved, test-net, and CGN ranges
- SSRF-safe HTTP transport with custom DialContext for defense-in-depth
  at delivery time (prevents DNS rebinding attacks)
- Only http/https schemes allowed

Login Rate Limiting (#37):
- Per-IP rate limiter using golang.org/x/time/rate
- 5 attempts per minute per IP on POST /pages/login
- GET requests (form rendering) pass through unaffected
- Automatic cleanup of stale per-IP limiter entries
- X-Forwarded-For and X-Real-IP header support for reverse proxies

Closes #35, closes #36, closes #37
2026-03-05 03:37:09 -08:00

60 lines
2.3 KiB
HTML

{{template "base" .}}
{{define "title"}}Login - Webhooker{{end}}
{{define "content"}}
<div class="min-h-screen flex items-center justify-center py-12 px-4">
<div class="max-w-md w-full">
<div class="text-center mb-8">
<h1 class="text-3xl font-medium text-gray-900">Webhooker</h1>
<p class="mt-2 text-gray-600">Sign in to your account</p>
</div>
<div class="card p-8">
{{if .Error}}
<div class="alert-error">
<div class="flex items-center">
<svg class="w-5 h-5 mr-2 flex-shrink-0" fill="currentColor" viewBox="0 0 20 20">
<path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z" clip-rule="evenodd"/>
</svg>
<span>{{.Error}}</span>
</div>
</div>
{{end}}
<form method="POST" action="/pages/login" class="space-y-6">
<input type="hidden" name="csrf_token" value="{{.CSRFToken}}">
<div class="form-group">
<label for="username" class="label">Username</label>
<input
type="text"
id="username"
name="username"
required
autofocus
autocomplete="username"
placeholder="Enter your username"
class="input"
>
</div>
<div class="form-group">
<label for="password" class="label">Password</label>
<input
type="password"
id="password"
name="password"
required
autocomplete="current-password"
placeholder="Enter your password"
class="input"
>
</div>
<button type="submit" class="btn-primary w-full py-3">Sign In</button>
</form>
</div>
</div>
</div>
{{end}}