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Initial verion.

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Aaron D. Lee
2025-12-27 03:14:32 -05:00
commit 1e77562ec0
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templates/encode.html Normal file
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{% extends "base.html" %}
{% block title %}Encode Message - Stegasoo{% endblock %}
{% block content %}
<div class="row justify-content-center">
<div class="col-lg-8">
<div class="card">
<div class="card-header">
<h5 class="mb-0"><i class="bi bi-lock-fill me-2"></i>Encode Secret Message</h5>
</div>
<div class="card-body">
<form method="POST" enctype="multipart/form-data" id="encodeForm">
<div class="row">
<div class="col-md-6 mb-3">
<label class="form-label">
<i class="bi bi-image me-1"></i> Reference Photo
</label>
<input type="file" name="reference_photo" class="form-control"
accept="image/*" required>
<div class="form-text">
The secret photo both parties have (NOT transmitted)
</div>
</div>
<div class="col-md-6 mb-3">
<label class="form-label">
<i class="bi bi-file-image me-1"></i> Carrier Image
</label>
<input type="file" name="carrier" class="form-control"
accept="image/*" required>
<div class="form-text">
The image to hide your message in (e.g., a meme)
</div>
</div>
</div>
<div class="mb-3">
<label class="form-label">
<i class="bi bi-chat-left-text me-1"></i> Secret Message
</label>
<textarea name="message" class="form-control" rows="4"
placeholder="Enter your secret message here..." required></textarea>
</div>
<div class="row">
<div class="col-md-8 mb-3">
<label class="form-label">
<i class="bi bi-chat-quote me-1"></i> {{ day_of_week }}'s Phrase
</label>
<input type="text" name="day_phrase" class="form-control"
placeholder="e.g., correct horse battery" required>
<div class="form-text">
Your 3-word phrase for today (from your phrase card)
</div>
</div>
<div class="col-md-4 mb-3">
<label class="form-label">
<i class="bi bi-123 me-1"></i> PIN
</label>
<input type="password" name="pin" class="form-control"
placeholder="123456" maxlength="10">
<div class="form-text">
Your static 6-digit PIN
</div>
</div>
</div>
<button type="submit" class="btn btn-primary btn-lg w-100" id="encodeBtn">
<i class="bi bi-lock me-2"></i>Encode & Download
</button>
</form>
<hr class="my-4">
<div class="row text-center text-muted small">
<div class="col-4">
<i class="bi bi-shield-check fs-4 d-block mb-1 text-success"></i>
AES-256-GCM Encryption
</div>
<div class="col-4">
<i class="bi bi-shuffle fs-4 d-block mb-1 text-info"></i>
Random Pixel Embedding
</div>
<div class="col-4">
<i class="bi bi-eye-slash fs-4 d-block mb-1 text-warning"></i>
Undetectable by Analysis
</div>
</div>
<div class="alert alert-secondary mt-4 small">
<i class="bi bi-info-circle me-1"></i>
<strong>Limits:</strong>
Carrier image max ~4 megapixels (2000×2000).
Files max 5MB each.
Message max 50KB.
</div>
</div>
</div>
</div>
</div>
{% endblock %}
{% block scripts %}
<script>
document.getElementById('encodeForm').addEventListener('submit', function(e) {
const btn = document.getElementById('encodeBtn');
btn.innerHTML = '<span class="spinner-border spinner-border-sm me-2"></span>Encoding...';
btn.disabled = true;
// Argon2 key derivation can take a few seconds
// Reset button after encoding completes (file downloads don't navigate)
setTimeout(function() {
btn.innerHTML = '<i class="bi bi-check-circle me-2"></i>Done! Encode Another?';
btn.disabled = false;
btn.classList.remove('btn-primary');
btn.classList.add('btn-success');
// Reset to original state after a moment
setTimeout(function() {
btn.innerHTML = '<i class="bi bi-lock me-2"></i>Encode & Download';
btn.classList.remove('btn-success');
btn.classList.add('btn-primary');
}, 2000);
}, 4000); // 4 seconds for Argon2 + embedding
});
</script>
{% endblock %}