955 lines
44 KiB
HTML
955 lines
44 KiB
HTML
{% extends "base.html" %}
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{% block title %}Encode Message - Stegasoo{% endblock %}
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{% block content %}
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<style>
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/* Glowing passphrase input */
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.passphrase-input-container {
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position: relative;
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}
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.passphrase-input {
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background: rgba(30, 40, 50, 0.8) !important;
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border: 2px solid rgba(99, 179, 237, 0.3) !important;
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color: #63b3ed !important;
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font-family: 'Courier New', monospace;
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font-size: 1.1rem;
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letter-spacing: 0.5px;
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padding: 12px 16px;
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transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
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}
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.passphrase-input:focus {
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border-color: rgba(99, 179, 237, 0.8) !important;
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box-shadow: 0 0 20px rgba(99, 179, 237, 0.4), 0 0 40px rgba(99, 179, 237, 0.2) !important;
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background: rgba(30, 40, 50, 0.95) !important;
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}
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.passphrase-input::placeholder {
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color: rgba(99, 179, 237, 0.4);
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}
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/* Glowing PIN input */
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.pin-input-container .form-control {
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background: rgba(30, 40, 50, 0.8) !important;
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border: 2px solid rgba(246, 173, 85, 0.3) !important;
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color: #f6ad55 !important;
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font-family: 'Courier New', monospace;
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font-size: 1.2rem;
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letter-spacing: 3px;
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text-align: center;
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transition: all 0.3s ease;
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}
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.pin-input-container .form-control:focus {
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border-color: rgba(246, 173, 85, 0.8) !important;
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box-shadow: 0 0 20px rgba(246, 173, 85, 0.4), 0 0 40px rgba(246, 173, 85, 0.2) !important;
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background: rgba(30, 40, 50, 0.95) !important;
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}
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.pin-input-container .form-control::placeholder {
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color: rgba(246, 173, 85, 0.4);
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letter-spacing: 1px;
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}
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/* QR Crop Animation */
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.qr-crop-container {
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position: relative;
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overflow: hidden;
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border-radius: 8px;
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background: rgba(0, 0, 0, 0.3);
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}
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.qr-crop-container img {
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display: block;
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max-height: 120px;
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width: auto;
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margin: 0 auto;
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transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
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}
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.qr-crop-container .qr-original {
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opacity: 1;
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}
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.qr-crop-container .qr-cropped {
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position: absolute;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%) scale(0.3);
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opacity: 0;
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max-height: 100px;
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}
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.qr-crop-container.animating .qr-original {
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opacity: 0;
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transform: scale(1.1);
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filter: blur(4px);
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}
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.qr-crop-container.animating .qr-cropped {
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opacity: 1;
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transform: translate(-50%, -50%) scale(1);
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}
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.qr-crop-container .crop-badge {
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position: absolute;
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bottom: 4px;
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right: 4px;
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font-size: 0.65rem;
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opacity: 0;
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transition: opacity 0.3s ease 0.4s;
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}
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.qr-crop-container.animating .crop-badge {
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opacity: 1;
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}
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</style>
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<div class="row justify-content-center">
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<div class="col-lg-8">
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<div class="card">
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<div class="card-header">
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<h5 class="mb-0"><i class="bi bi-lock-fill me-2"></i>Encode Secret Message or File</h5>
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</div>
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<div class="card-body">
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<form method="POST" enctype="multipart/form-data" id="encodeForm">
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<!-- Removed client_date hidden field -->
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<!-- Embedding Mode Selection -->
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<div class="mb-4">
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<label class="form-label">
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<i class="bi bi-cpu me-1"></i> Embedding Mode
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</label>
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<div class="row g-2">
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<!-- LSB Mode Card -->
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<div class="col-md-6">
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<label class="card p-3 h-100 border-primary border-2 cursor-pointer" id="lsbModeCard" for="modeLsb" style="cursor: pointer;">
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<input class="form-check-input position-absolute" type="radio" name="embed_mode" id="modeLsb" value="lsb" checked style="top: 1rem; right: 1rem;">
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<div class="d-flex align-items-center mb-2">
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<i class="bi bi-grid-3x3-gap text-primary fs-4 me-2"></i>
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<strong>LSB Mode</strong>
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<span class="badge bg-success ms-auto me-4">Default</span>
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</div>
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<ul class="small text-muted mb-0 ps-3">
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<li>Full color PNG output</li>
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<li>Higher capacity (~375 KB/MP)</li>
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<li>Best for email & file transfer</li>
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</ul>
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</label>
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</div>
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<!-- DCT Mode Card -->
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<div class="col-md-6">
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<label class="card p-3 h-100 {% if not has_dct %}opacity-50{% endif %} cursor-pointer" id="dctModeCard" for="modeDct" style="cursor: pointer;">
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<input class="form-check-input position-absolute" type="radio" name="embed_mode" id="modeDct" value="dct" {% if not has_dct %}disabled{% endif %} style="top: 1rem; right: 1rem;">
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<div class="d-flex align-items-center mb-2">
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<i class="bi bi-soundwave text-warning fs-4 me-2"></i>
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<strong>DCT Mode</strong>
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{% if has_dct %}
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<span class="badge bg-warning text-dark ms-auto me-4">Social Media</span>
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{% else %}
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<span class="badge bg-secondary ms-auto me-4">Unavailable</span>
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{% endif %}
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</div>
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<ul class="small text-muted mb-0 ps-3">
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<li>JPEG output, survives recompression</li>
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<li>Lower capacity (~75 KB/MP)</li>
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<li>Best for Instagram, WhatsApp, etc.</li>
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</ul>
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{% if not has_dct %}
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<div class="alert alert-warning small mt-2 mb-0 py-1 px-2">
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<i class="bi bi-exclamation-triangle me-1"></i>
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Requires scipy: <code>pip install scipy</code>
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</div>
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{% endif %}
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</label>
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</div>
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</div>
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<!-- Mode hint -->
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<div class="form-text mt-2" id="modeHint">
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<i class="bi bi-lightbulb me-1"></i>
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<strong>LSB</strong> for private channels (email, cloud storage).
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<strong>DCT</strong> for social media that recompresses images.
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</div>
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</div>
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<div class="row">
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<div class="col-md-6 mb-3">
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<label class="form-label">
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<i class="bi bi-image me-1"></i> Reference Photo
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</label>
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<div class="drop-zone" id="refDropZone">
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<input type="file" name="reference_photo" accept="image/*" required>
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<div class="drop-zone-label">
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<i class="bi bi-cloud-arrow-up fs-3 d-block mb-2 text-muted"></i>
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<span class="text-muted">Drop image or click to browse</span>
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</div>
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<img class="drop-zone-preview d-none" id="refPreview">
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</div>
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<div class="form-text">
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The secret photo both parties have (NOT transmitted)
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</div>
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</div>
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<div class="col-md-6 mb-3">
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<label class="form-label">
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<i class="bi bi-file-image me-1"></i> Carrier Image
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</label>
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<div class="drop-zone" id="carrierDropZone">
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<input type="file" name="carrier" accept="image/*" required id="carrierInput">
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<div class="drop-zone-label">
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<i class="bi bi-cloud-arrow-up fs-3 d-block mb-2 text-muted"></i>
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<span class="text-muted">Drop image or click to browse</span>
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</div>
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<img class="drop-zone-preview d-none" id="carrierPreview">
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</div>
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<div class="form-text">
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The image to hide your message in (e.g., a meme)
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</div>
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</div>
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</div>
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<!-- Capacity Info Panel (shown when carrier loaded) -->
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<div class="alert alert-info small d-none" id="capacityPanel">
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<div class="row align-items-center">
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<div class="col">
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<i class="bi bi-rulers me-1"></i>
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<strong>Carrier:</strong> <span id="carrierDimensions">-</span>
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</div>
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<div class="col-auto">
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<span class="badge bg-primary me-1" id="lsbCapacityBadge">LSB: -</span>
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<span class="badge bg-warning text-dark" id="dctCapacityBadge">DCT: -</span>
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</div>
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</div>
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</div>
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<!-- Payload Type Selector -->
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<div class="mb-3">
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<label class="form-label">
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<i class="bi bi-box me-1"></i> What to Encode
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</label>
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<div class="btn-group w-100" role="group">
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<input type="radio" class="btn-check" name="payload_type" id="payloadText" value="text" checked>
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<label class="btn btn-outline-primary" for="payloadText">
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<i class="bi bi-chat-left-text me-1"></i> Text Message
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</label>
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<input type="radio" class="btn-check" name="payload_type" id="payloadFile" value="file">
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<label class="btn btn-outline-primary" for="payloadFile">
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<i class="bi bi-file-earmark me-1"></i> File
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</label>
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</div>
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</div>
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<!-- Text Message Input -->
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<div class="mb-3" id="textPayloadSection">
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<label class="form-label">
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<i class="bi bi-chat-left-text me-1"></i> Secret Message
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</label>
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<textarea name="message" class="form-control" rows="4" id="messageInput"
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placeholder="Enter your secret message here..."></textarea>
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<div class="d-flex justify-content-between form-text">
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<span>
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<span id="charCount">0</span> / 250,000 characters
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<span id="charWarning" class="text-warning d-none ms-2">
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<i class="bi bi-exclamation-triangle"></i> Getting long!
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</span>
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</span>
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<span id="charPercent" class="text-muted">0%</span>
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</div>
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</div>
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<!-- File Upload Input -->
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<div class="mb-3 d-none" id="filePayloadSection">
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<label class="form-label">
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<i class="bi bi-file-earmark me-1"></i> File to Embed
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</label>
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<div class="drop-zone" id="payloadDropZone">
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<input type="file" name="payload_file" id="payloadFileInput">
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<div class="drop-zone-label" id="payloadDropLabel">
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<i class="bi bi-cloud-arrow-up fs-3 d-block mb-2 text-muted"></i>
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<span class="text-muted">Drop any file or click to browse</span>
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<div class="small text-muted mt-1">Max {{ max_payload_kb }} KB</div>
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</div>
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</div>
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<div class="form-text">
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Supports any file type: PDF, ZIP, documents, etc.
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</div>
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<div id="fileInfo" class="d-none mt-2 p-2 bg-dark rounded">
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<i class="bi bi-file-earmark-check text-success me-2"></i>
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<span id="fileInfoName"></span>
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<span class="text-muted">(<span id="fileInfoSize"></span>)</span>
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</div>
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</div>
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<!-- Passphrase input with glow styling -->
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<div class="mb-3">
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<label class="form-label" id="passphraseLabel">
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<i class="bi bi-chat-quote me-1"></i> Passphrase
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</label>
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<div class="passphrase-input-container">
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<input type="text" name="passphrase" class="form-control passphrase-input"
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placeholder="e.g., apple forest thunder mountain" required
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id="passphraseInput">
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</div>
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<div class="form-text">
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Your passphrase for this message
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</div>
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<div class="form-text mt-1" id="passphraseWarning" style="display: none;">
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<i class="bi bi-exclamation-triangle text-warning me-1"></i>
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Passphrase should have at least {{ recommended_passphrase_words }} words for good security
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</div>
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</div>
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<hr class="my-4">
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<h6 class="text-muted mb-3">
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SECURITY FACTORS
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<span class="text-warning small">(provide at least one: PIN or RSA Key)</span>
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</h6>
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<div class="row">
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<div class="col-md-4 mb-3">
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<label class="form-label"><i class="bi bi-123 me-1"></i> PIN</label>
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<div class="input-group pin-input-container">
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<input type="password" name="pin" class="form-control" id="pinInput" placeholder="••••••" maxlength="9" style="max-width: 180px;">
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<button class="btn btn-outline-secondary" type="button" id="togglePin">
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<i class="bi bi-eye"></i>
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</button>
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</div>
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<div class="form-text">Static 6-9 digit PIN</div>
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</div>
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<div class="col-md-8 mb-3">
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<label class="form-label">
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<i class="bi bi-file-earmark-lock me-1"></i> RSA Key
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</label>
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<!-- RSA Input Method Toggle -->
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<div class="btn-group w-100 mb-2" role="group">
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<input type="radio" class="btn-check" name="rsa_input_method" id="rsaMethodFile" value="file" checked>
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<label class="btn btn-outline-secondary btn-sm" for="rsaMethodFile">
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<i class="bi bi-file-earmark me-1"></i>.pem File
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</label>
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<input type="radio" class="btn-check" name="rsa_input_method" id="rsaMethodQr" value="qr">
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<label class="btn btn-outline-secondary btn-sm" for="rsaMethodQr">
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<i class="bi bi-qr-code me-1"></i>QR Code
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</label>
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</div>
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<!-- .pem File Input -->
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<div id="rsaFileSection">
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<input type="file" name="rsa_key" class="form-control form-control-sm" accept=".pem">
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</div>
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<!-- QR Code Input -->
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<div id="rsaQrSection" class="d-none">
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<div class="drop-zone p-3" id="qrDropZone">
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<input type="file" name="rsa_key_qr" accept="image/*" id="rsaQrInput">
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<div class="drop-zone-label text-center">
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<i class="bi bi-qr-code-scan fs-4 d-block text-muted mb-1"></i>
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<span class="text-muted small">Drop QR image or click to browse</span>
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</div>
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<!-- Crop animation container -->
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<div class="qr-crop-container d-none" id="qrCropContainer">
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<img class="qr-original" id="qrOriginal" alt="Original">
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<img class="qr-cropped" id="qrCropped" alt="Cropped QR">
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<span class="crop-badge badge bg-success"><i class="bi bi-crop me-1"></i>Detected</span>
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</div>
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</div>
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</div>
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<!-- Key Password (always visible) -->
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<div class="input-group input-group-sm mt-2">
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<input type="password" name="rsa_password" class="form-control" id="rsaPasswordInput" placeholder="Key password (if encrypted)">
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<button class="btn btn-outline-secondary" type="button" id="toggleRsaPassword">
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<i class="bi bi-eye"></i>
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</button>
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</div>
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</div>
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</div>
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<!-- Advanced Options (DCT sub-options only) -->
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<div class="mb-4 d-none" id="advancedOptionsContainer">
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<a class="btn btn-sm btn-outline-secondary w-100" data-bs-toggle="collapse" href="#advancedOptions" role="button" aria-expanded="false">
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<i class="bi bi-gear me-1"></i> DCT Options
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<i class="bi bi-chevron-down ms-1" id="advancedChevron"></i>
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</a>
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<div class="collapse" id="advancedOptions">
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<div class="card card-body mt-2 bg-dark border-secondary">
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<div class="alert alert-info small mb-3">
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<i class="bi bi-info-circle me-1"></i>
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<strong>DCT defaults:</strong> Color mode + JPEG output for best social media compatibility.
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</div>
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<!-- DCT Color Mode -->
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<div class="mb-3">
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<label class="form-label">
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<i class="bi bi-palette me-1"></i> Color Mode
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</label>
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<div class="row g-2">
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<div class="col-6">
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<div class="form-check card p-2 text-center border-success border-2" id="dctColorCard">
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<input class="form-check-input mx-auto" type="radio" name="dct_color_mode" id="dctColorColor" value="color" checked>
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<label class="form-check-label w-100" for="dctColorColor">
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<i class="bi bi-palette-fill text-success fs-5 d-block"></i>
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<strong>Color</strong>
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<div class="small text-muted">Recommended</div>
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</label>
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</div>
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</div>
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<div class="col-6">
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<div class="form-check card p-2 text-center" id="dctGrayscaleCard">
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<input class="form-check-input mx-auto" type="radio" name="dct_color_mode" id="dctColorGrayscale" value="grayscale">
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<label class="form-check-label w-100" for="dctColorGrayscale">
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<i class="bi bi-circle-half text-secondary fs-5 d-block"></i>
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<strong>Grayscale</strong>
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<div class="small text-muted">B&W output</div>
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</label>
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</div>
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</div>
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</div>
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</div>
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<!-- DCT Output Format -->
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<div class="mb-0">
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<label class="form-label">
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<i class="bi bi-file-image me-1"></i> Output Format
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</label>
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<div class="row g-2">
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<div class="col-6">
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<div class="form-check card p-2 text-center" id="dctPngCard">
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<input class="form-check-input mx-auto" type="radio" name="dct_output_format" id="dctFormatPng" value="png">
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<label class="form-check-label w-100" for="dctFormatPng">
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<i class="bi bi-file-earmark-image text-primary fs-5 d-block"></i>
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<strong>PNG</strong>
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<div class="small text-muted">Lossless, larger</div>
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</label>
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</div>
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</div>
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<div class="col-6">
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<div class="form-check card p-2 text-center border-warning border-2" id="dctJpegCard">
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||
<input class="form-check-input mx-auto" type="radio" name="dct_output_format" id="dctFormatJpeg" value="jpeg" checked>
|
||
<label class="form-check-label w-100" for="dctFormatJpeg">
|
||
<i class="bi bi-file-earmark-richtext text-warning fs-5 d-block"></i>
|
||
<strong>JPEG</strong>
|
||
<div class="small text-muted">Recommended</div>
|
||
</label>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
</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
|
||
</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 ~24 megapixels (6000x4000).
|
||
Files max 30MB upload.
|
||
Payload max {{ max_payload_kb }} KB.
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
{% endblock %}
|
||
|
||
{% block scripts %}
|
||
<script>
|
||
// v3.2.0: Removed date detection - no longer needed!
|
||
|
||
// Payload type switching
|
||
const payloadTextRadio = document.getElementById('payloadText');
|
||
const payloadFileRadio = document.getElementById('payloadFile');
|
||
const textSection = document.getElementById('textPayloadSection');
|
||
const fileSection = document.getElementById('filePayloadSection');
|
||
const messageInput = document.getElementById('messageInput');
|
||
const payloadFileInput = document.getElementById('payloadFileInput');
|
||
|
||
function updatePayloadSection() {
|
||
const isText = payloadTextRadio.checked;
|
||
textSection.classList.toggle('d-none', !isText);
|
||
fileSection.classList.toggle('d-none', isText);
|
||
|
||
if (isText) {
|
||
messageInput.setAttribute('required', '');
|
||
payloadFileInput.removeAttribute('required');
|
||
} else {
|
||
messageInput.removeAttribute('required');
|
||
payloadFileInput.setAttribute('required', '');
|
||
}
|
||
}
|
||
|
||
payloadTextRadio.addEventListener('change', updatePayloadSection);
|
||
payloadFileRadio.addEventListener('change', updatePayloadSection);
|
||
|
||
// Passphrase validation and auto-resize font
|
||
const passphraseInput = document.getElementById('passphraseInput');
|
||
const passphraseWarning = document.getElementById('passphraseWarning');
|
||
|
||
// Stepped font sizes (characters -> rem)
|
||
const fontSizeSteps = [
|
||
{ maxChars: 30, size: 1.1 },
|
||
{ maxChars: 45, size: 1.0 },
|
||
{ maxChars: 60, size: 0.95 },
|
||
{ maxChars: Infinity, size: 0.9 }
|
||
];
|
||
|
||
function adjustPassphraseFontSize() {
|
||
if (!passphraseInput) return;
|
||
const len = passphraseInput.value.length;
|
||
|
||
for (const step of fontSizeSteps) {
|
||
if (len <= step.maxChars) {
|
||
passphraseInput.style.fontSize = step.size + 'rem';
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (passphraseInput) {
|
||
passphraseInput.addEventListener('input', function() {
|
||
// Word count warning
|
||
const words = this.value.trim().split(/\s+/).filter(w => w.length > 0);
|
||
const recommendedWords = {{ recommended_passphrase_words }};
|
||
|
||
if (words.length > 0 && words.length < recommendedWords) {
|
||
passphraseWarning.style.display = 'block';
|
||
} else {
|
||
passphraseWarning.style.display = 'none';
|
||
}
|
||
|
||
// Auto-resize font
|
||
adjustPassphraseFontSize();
|
||
});
|
||
|
||
// Initial font size adjustment
|
||
adjustPassphraseFontSize();
|
||
}
|
||
|
||
// Payload file info display
|
||
payloadFileInput.addEventListener('change', function() {
|
||
const fileInfo = document.getElementById('fileInfo');
|
||
const fileInfoName = document.getElementById('fileInfoName');
|
||
const fileInfoSize = document.getElementById('fileInfoSize');
|
||
|
||
if (this.files && this.files[0]) {
|
||
const file = this.files[0];
|
||
fileInfo.classList.remove('d-none');
|
||
fileInfoName.textContent = file.name;
|
||
|
||
const sizeKB = (file.size / 1024).toFixed(1);
|
||
fileInfoSize.textContent = sizeKB + ' KB';
|
||
|
||
// Update drop zone label
|
||
const label = document.getElementById('payloadDropLabel');
|
||
label.innerHTML = `<i class="bi bi-check-circle text-success me-1"></i>${file.name}`;
|
||
} else {
|
||
fileInfo.classList.add('d-none');
|
||
}
|
||
});
|
||
|
||
// Character counter
|
||
if (messageInput) {
|
||
messageInput.addEventListener('input', function() {
|
||
const count = this.value.length;
|
||
const max = 250000;
|
||
const percent = Math.round((count / max) * 100);
|
||
|
||
document.getElementById('charCount').textContent = count.toLocaleString();
|
||
document.getElementById('charPercent').textContent = percent + '%';
|
||
|
||
const warning = document.getElementById('charWarning');
|
||
if (percent >= 80) {
|
||
warning.classList.remove('d-none');
|
||
} else {
|
||
warning.classList.add('d-none');
|
||
}
|
||
});
|
||
}
|
||
|
||
// Carrier capacity fetching
|
||
const capacityPanel = document.getElementById('capacityPanel');
|
||
const carrierInput = document.getElementById('carrierInput');
|
||
|
||
carrierInput.addEventListener('change', function() {
|
||
if (this.files && this.files[0]) {
|
||
fetchCapacityComparison(this.files[0]);
|
||
}
|
||
});
|
||
|
||
function fetchCapacityComparison(file) {
|
||
const formData = new FormData();
|
||
formData.append('carrier', file);
|
||
|
||
fetch('/api/compare-capacity', {
|
||
method: 'POST',
|
||
body: formData
|
||
})
|
||
.then(response => response.json())
|
||
.then(data => {
|
||
if (data.error) {
|
||
console.error('Capacity error:', data.error);
|
||
return;
|
||
}
|
||
|
||
document.getElementById('carrierDimensions').textContent =
|
||
`${data.width} × ${data.height} (${(data.width * data.height / 1000000).toFixed(1)} MP)`;
|
||
document.getElementById('lsbCapacityBadge').textContent =
|
||
`LSB: ${data.lsb.capacity_kb} KB`;
|
||
document.getElementById('dctCapacityBadge').textContent =
|
||
`DCT: ${data.dct.capacity_kb} KB`;
|
||
|
||
capacityPanel.classList.remove('d-none');
|
||
})
|
||
.catch(err => console.error('Capacity fetch failed:', err));
|
||
}
|
||
|
||
// ============================================================================
|
||
// LSB/DCT Mode Switching
|
||
// ============================================================================
|
||
|
||
const modeLsb = document.getElementById('modeLsb');
|
||
const modeDct = document.getElementById('modeDct');
|
||
const lsbModeCard = document.getElementById('lsbModeCard');
|
||
const dctModeCard = document.getElementById('dctModeCard');
|
||
const advancedOptionsContainer = document.getElementById('advancedOptionsContainer');
|
||
|
||
// DCT Options elements
|
||
const dctFormatPng = document.getElementById('dctFormatPng');
|
||
const dctFormatJpeg = document.getElementById('dctFormatJpeg');
|
||
const dctColorColor = document.getElementById('dctColorColor');
|
||
const dctColorGrayscale = document.getElementById('dctColorGrayscale');
|
||
const dctPngCard = document.getElementById('dctPngCard');
|
||
const dctJpegCard = document.getElementById('dctJpegCard');
|
||
const dctColorCard = document.getElementById('dctColorCard');
|
||
const dctGrayscaleCard = document.getElementById('dctGrayscaleCard');
|
||
|
||
function updateModeCardHighlight() {
|
||
lsbModeCard.classList.toggle('border-primary', modeLsb.checked);
|
||
lsbModeCard.classList.toggle('border-2', modeLsb.checked);
|
||
dctModeCard.classList.toggle('border-warning', modeDct.checked);
|
||
dctModeCard.classList.toggle('border-2', modeDct.checked);
|
||
|
||
// Show/hide DCT options when DCT is selected
|
||
advancedOptionsContainer.classList.toggle('d-none', !modeDct.checked);
|
||
}
|
||
|
||
function updateDctFormatCardHighlight() {
|
||
if (dctPngCard && dctJpegCard) {
|
||
dctPngCard.classList.toggle('border-primary', dctFormatPng.checked);
|
||
dctPngCard.classList.toggle('border-2', dctFormatPng.checked);
|
||
dctJpegCard.classList.toggle('border-warning', dctFormatJpeg.checked);
|
||
dctJpegCard.classList.toggle('border-2', dctFormatJpeg.checked);
|
||
}
|
||
}
|
||
|
||
function updateDctColorCardHighlight() {
|
||
if (dctColorCard && dctGrayscaleCard) {
|
||
dctColorCard.classList.toggle('border-success', dctColorColor.checked);
|
||
dctColorCard.classList.toggle('border-2', dctColorColor.checked);
|
||
dctGrayscaleCard.classList.toggle('border-secondary', dctColorGrayscale.checked);
|
||
dctGrayscaleCard.classList.toggle('border-2', dctColorGrayscale.checked);
|
||
}
|
||
}
|
||
|
||
modeLsb.addEventListener('change', updateModeCardHighlight);
|
||
modeDct.addEventListener('change', updateModeCardHighlight);
|
||
dctFormatPng?.addEventListener('change', updateDctFormatCardHighlight);
|
||
dctFormatJpeg?.addEventListener('change', updateDctFormatCardHighlight);
|
||
dctColorColor?.addEventListener('change', updateDctColorCardHighlight);
|
||
dctColorGrayscale?.addEventListener('change', updateDctColorCardHighlight);
|
||
|
||
updateModeCardHighlight(); // Initial state
|
||
updateDctFormatCardHighlight(); // Initial state
|
||
updateDctColorCardHighlight(); // Initial state
|
||
|
||
// Advanced options chevron rotation
|
||
const advancedOptionsEl = document.getElementById('advancedOptions');
|
||
if (advancedOptionsEl) {
|
||
advancedOptionsEl.addEventListener('show.bs.collapse', function() {
|
||
document.getElementById('advancedChevron').classList.add('bi-chevron-up');
|
||
document.getElementById('advancedChevron').classList.remove('bi-chevron-down');
|
||
});
|
||
advancedOptionsEl.addEventListener('hide.bs.collapse', function() {
|
||
document.getElementById('advancedChevron').classList.remove('bi-chevron-up');
|
||
document.getElementById('advancedChevron').classList.add('bi-chevron-down');
|
||
});
|
||
}
|
||
|
||
// ============================================================================
|
||
// Drag & drop with preview for images
|
||
// ============================================================================
|
||
|
||
document.querySelectorAll('.drop-zone').forEach(zone => {
|
||
const input = zone.querySelector('input[type="file"]');
|
||
const label = zone.querySelector('.drop-zone-label');
|
||
const preview = zone.querySelector('.drop-zone-preview');
|
||
const isPayloadZone = zone.id === 'payloadDropZone';
|
||
const isCarrierZone = zone.id === 'carrierDropZone';
|
||
|
||
['dragenter', 'dragover'].forEach(evt => {
|
||
zone.addEventListener(evt, e => {
|
||
e.preventDefault();
|
||
zone.classList.add('drag-over');
|
||
});
|
||
});
|
||
|
||
['dragleave', 'drop'].forEach(evt => {
|
||
zone.addEventListener(evt, e => {
|
||
e.preventDefault();
|
||
zone.classList.remove('drag-over');
|
||
});
|
||
});
|
||
|
||
zone.addEventListener('drop', e => {
|
||
if (e.dataTransfer.files.length) {
|
||
input.files = e.dataTransfer.files;
|
||
input.dispatchEvent(new Event('change'));
|
||
|
||
if (!isPayloadZone) {
|
||
showPreview(e.dataTransfer.files[0]);
|
||
}
|
||
|
||
// Trigger capacity check for carrier
|
||
if (isCarrierZone && e.dataTransfer.files[0]) {
|
||
fetchCapacityComparison(e.dataTransfer.files[0]);
|
||
}
|
||
}
|
||
});
|
||
|
||
if (!isPayloadZone) {
|
||
input.addEventListener('change', function() {
|
||
if (this.files && this.files[0]) {
|
||
showPreview(this.files[0]);
|
||
}
|
||
});
|
||
}
|
||
|
||
function showPreview(file) {
|
||
if (!file.type.startsWith('image/')) return;
|
||
|
||
const reader = new FileReader();
|
||
reader.onload = e => {
|
||
if (preview) {
|
||
preview.src = e.target.result;
|
||
preview.classList.remove('d-none');
|
||
}
|
||
label.innerHTML = '<i class="bi bi-check-circle text-success me-1"></i>' + file.name;
|
||
};
|
||
reader.readAsDataURL(file);
|
||
}
|
||
});
|
||
|
||
// PIN Toggle Logic
|
||
document.getElementById('togglePin').addEventListener('click', function() {
|
||
const input = document.getElementById('pinInput');
|
||
const icon = this.querySelector('i');
|
||
if (input.type === 'password') {
|
||
input.type = 'text';
|
||
icon.classList.replace('bi-eye', 'bi-eye-slash');
|
||
} else {
|
||
input.type = 'password';
|
||
icon.classList.replace('bi-eye-slash', 'bi-eye');
|
||
}
|
||
});
|
||
|
||
// RSA Password Toggle Logic
|
||
document.getElementById('toggleRsaPassword')?.addEventListener('click', function() {
|
||
const input = document.getElementById('rsaPasswordInput');
|
||
const icon = this.querySelector('i');
|
||
if (input.type === 'password') {
|
||
input.type = 'text';
|
||
icon.classList.replace('bi-eye', 'bi-eye-slash');
|
||
} else {
|
||
input.type = 'password';
|
||
icon.classList.replace('bi-eye-slash', 'bi-eye');
|
||
}
|
||
});
|
||
|
||
// RSA Input Method Toggle (File vs QR)
|
||
const rsaMethodFile = document.getElementById('rsaMethodFile');
|
||
const rsaMethodQr = document.getElementById('rsaMethodQr');
|
||
const rsaFileSection = document.getElementById('rsaFileSection');
|
||
const rsaQrSection = document.getElementById('rsaQrSection');
|
||
|
||
function updateRsaInputMethod() {
|
||
const isFile = rsaMethodFile.checked;
|
||
rsaFileSection.classList.toggle('d-none', !isFile);
|
||
rsaQrSection.classList.toggle('d-none', isFile);
|
||
}
|
||
|
||
rsaMethodFile?.addEventListener('change', updateRsaInputMethod);
|
||
rsaMethodQr?.addEventListener('change', updateRsaInputMethod);
|
||
|
||
// Prevent Same File Selection
|
||
function checkDuplicateFiles() {
|
||
const refInput = document.querySelector('input[name="reference_photo"]');
|
||
const carInput = document.querySelector('input[name="carrier"]');
|
||
|
||
if (refInput.files[0] && carInput.files[0]) {
|
||
if (refInput.files[0].name === carInput.files[0].name &&
|
||
refInput.files[0].size === carInput.files[0].size) {
|
||
alert("Security Warning: You cannot use the same image for both Reference and Carrier!");
|
||
carInput.value = '';
|
||
document.getElementById('carrierPreview').classList.add('d-none');
|
||
document.querySelector('#carrierDropZone .drop-zone-label').innerHTML =
|
||
'<i class="bi bi-cloud-arrow-up fs-3 d-block mb-2 text-muted"></i>' +
|
||
'<span class="text-muted">Drop image or click to browse</span>';
|
||
capacityPanel.classList.add('d-none');
|
||
}
|
||
}
|
||
}
|
||
document.querySelector('input[name="reference_photo"]').addEventListener('change', checkDuplicateFiles);
|
||
document.querySelector('input[name="carrier"]').addEventListener('change', checkDuplicateFiles);
|
||
|
||
// Paste from Clipboard
|
||
document.addEventListener('paste', function(e) {
|
||
const items = e.clipboardData.items;
|
||
for (let i = 0; i < items.length; i++) {
|
||
if (items[i].type.indexOf("image") !== -1) {
|
||
const blob = items[i].getAsFile();
|
||
|
||
const carrierInput = document.querySelector('input[name="carrier"]');
|
||
const refInput = document.querySelector('input[name="reference_photo"]');
|
||
|
||
const targetInput = (!carrierInput.files.length) ? carrierInput : refInput;
|
||
|
||
const container = new DataTransfer();
|
||
container.items.add(blob);
|
||
targetInput.files = container.files;
|
||
|
||
targetInput.dispatchEvent(new Event('change'));
|
||
|
||
// Trigger capacity check if pasted to carrier
|
||
if (targetInput === carrierInput) {
|
||
fetchCapacityComparison(blob);
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
});
|
||
|
||
// QR Code RSA Key scanning with crop animation
|
||
const rsaQrInput = document.getElementById('rsaQrInput');
|
||
const qrCropContainer = document.getElementById('qrCropContainer');
|
||
const qrOriginal = document.getElementById('qrOriginal');
|
||
const qrCropped = document.getElementById('qrCropped');
|
||
|
||
if (rsaQrInput) {
|
||
rsaQrInput.addEventListener('change', function() {
|
||
if (this.files && this.files[0]) {
|
||
const file = this.files[0];
|
||
|
||
if (!file.type.startsWith('image/')) return;
|
||
|
||
// Reset animation state
|
||
qrCropContainer.classList.remove('animating');
|
||
qrCropContainer.classList.add('d-none');
|
||
|
||
// Show original image first
|
||
const reader = new FileReader();
|
||
reader.onload = e => {
|
||
qrOriginal.src = e.target.result;
|
||
qrCropContainer.classList.remove('d-none');
|
||
|
||
// Hide the label
|
||
document.querySelector('#qrDropZone .drop-zone-label').classList.add('d-none');
|
||
|
||
// Now fetch cropped version and animate
|
||
const formData = new FormData();
|
||
formData.append('image', file);
|
||
|
||
fetch('/qr/crop', {
|
||
method: 'POST',
|
||
body: formData
|
||
})
|
||
.then(response => {
|
||
if (!response.ok) {
|
||
throw new Error('No QR code detected');
|
||
}
|
||
return response.blob();
|
||
})
|
||
.then(blob => {
|
||
// Load cropped image
|
||
const croppedUrl = URL.createObjectURL(blob);
|
||
qrCropped.src = croppedUrl;
|
||
|
||
// Wait a moment to show original, then animate
|
||
setTimeout(() => {
|
||
qrCropContainer.classList.add('animating');
|
||
}, 400);
|
||
|
||
// Also verify key extraction works
|
||
const keyFormData = new FormData();
|
||
keyFormData.append('qr_image', file);
|
||
|
||
return fetch('/extract-key-from-qr', {
|
||
method: 'POST',
|
||
body: keyFormData
|
||
});
|
||
})
|
||
.then(response => response.json())
|
||
.then(data => {
|
||
if (data.success) {
|
||
document.querySelector('#qrDropZone .drop-zone-label').innerHTML =
|
||
'<i class="bi bi-check-circle text-success me-1"></i>RSA Key loaded';
|
||
document.querySelector('#qrDropZone .drop-zone-label').classList.remove('d-none');
|
||
}
|
||
})
|
||
.catch(err => {
|
||
// Crop failed - just show original with error
|
||
console.log('QR crop/extract error:', err);
|
||
document.querySelector('#qrDropZone .drop-zone-label').innerHTML =
|
||
'<i class="bi bi-exclamation-triangle text-warning me-1"></i>No QR detected';
|
||
document.querySelector('#qrDropZone .drop-zone-label').classList.remove('d-none');
|
||
});
|
||
};
|
||
reader.readAsDataURL(file);
|
||
}
|
||
});
|
||
}
|
||
|
||
// Form submission with loading state
|
||
document.getElementById('encodeForm').addEventListener('submit', function() {
|
||
const btn = document.getElementById('encodeBtn');
|
||
btn.disabled = true;
|
||
btn.innerHTML = '<span class="spinner-border spinner-border-sm me-2"></span>Encoding...';
|
||
});
|
||
</script>
|
||
{% endblock %}
|