355a988405
- Channel select shows contextual info: Auto (server key), Public (no key), Custom (hidden) - Gold pulse highlight on custom channel input when selected - Smooth 0.4s animation with subtle glow effect - Updated encode.html and decode.html with data-fingerprint attributes 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
761 lines
39 KiB
HTML
761 lines
39 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: 180px;
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max-width: 180px;
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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: 160px;
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min-width: 140px;
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min-height: 140px;
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object-fit: contain;
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}
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.qr-crop-container.scan-complete .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.scan-complete .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.scan-complete .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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<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 scan-container" 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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<!-- Scan overlay elements -->
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<div class="scan-overlay">
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<div class="scan-grid"></div>
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<div class="scan-line"></div>
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</div>
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<!-- Corner brackets (shown after scan) -->
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<div class="scan-corners">
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<div class="scan-corner tl"></div>
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<div class="scan-corner tr"></div>
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<div class="scan-corner bl"></div>
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<div class="scan-corner br"></div>
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</div>
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<!-- Data panel (shown after scan) -->
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<div class="scan-data-panel">
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<div class="scan-data-filename">
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<i class="bi bi-check-circle-fill"></i>
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<span id="refFileName">image.jpg</span>
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</div>
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<div class="scan-data-row">
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<span class="scan-status-badge">Hash Acquired</span>
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<span class="scan-data-value" id="refFileSize">--</span>
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</div>
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<div class="scan-hash-preview" id="refHashPreview">SHA256: ················</div>
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</div>
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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 pixel-container" 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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<!-- Pixel blocks overlay - populated by JS -->
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<div class="pixel-blocks"></div>
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<!-- Pixel scan line -->
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<div class="pixel-scan-line"></div>
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<!-- Corner brackets -->
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<div class="pixel-corners">
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<div class="pixel-corner tl"></div>
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<div class="pixel-corner tr"></div>
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<div class="pixel-corner bl"></div>
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<div class="pixel-corner br"></div>
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</div>
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<!-- Data panel -->
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<div class="pixel-data-panel">
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<div class="pixel-data-filename">
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<i class="bi bi-check-circle-fill"></i>
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<span id="carrierFileName">image.jpg</span>
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</div>
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<div class="pixel-data-row">
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<span class="pixel-status-badge">Carrier Loaded</span>
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<span class="pixel-data-value" id="carrierFileSize">--</span>
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</div>
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<div class="pixel-dimensions" id="carrierDims">-- × -- px</div>
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</div>
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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-warning text-dark me-1" id="dctCapacityBadge">DCT: -</span>
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<span class="badge bg-primary" id="lsbCapacityBadge">LSB: -</span>
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</div>
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</div>
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</div>
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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="d-flex gap-2">
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<!-- DCT Mode -->
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<label class="mode-btn flex-fill {% if not has_dct %}opacity-50{% endif %} {% if has_dct %}active{% endif %}" id="dctModeCard" for="modeDct">
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<input class="form-check-input" type="radio" name="embed_mode" id="modeDct" value="dct" {% if has_dct %}checked{% endif %} {% if not has_dct %}disabled{% endif %}>
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<i class="bi bi-soundwave text-warning ms-2"></i>
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<span class="ms-2"><strong>DCT</strong> <span class="text-muted">· Social Media</span></span>
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<i class="bi bi-info-circle text-muted mode-info-icon ms-2" data-bs-toggle="tooltip" data-bs-html="true" title="<b>DCT Mode</b><br>• JPEG output<br>• Survives recompression<br>• ~75 KB/MP capacity"></i>
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{% if not has_dct %}
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<span class="small text-warning ms-2"><i class="bi bi-exclamation-triangle me-1"></i>Requires scipy</span>
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{% endif %}
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</label>
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<!-- LSB Mode -->
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<label class="mode-btn flex-fill {% if not has_dct %}active{% endif %}" id="lsbModeCard" for="modeLsb">
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<input class="form-check-input" type="radio" name="embed_mode" id="modeLsb" value="lsb" {% if not has_dct %}checked{% endif %}>
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<i class="bi bi-grid-3x3-gap text-primary ms-2"></i>
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<span class="ms-2"><strong>LSB</strong> <span class="text-muted">· Email & Files</span></span>
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<i class="bi bi-info-circle text-muted mode-info-icon ms-2" data-bs-toggle="tooltip" data-bs-html="true" title="<b>LSB Mode</b><br>• Full color PNG output<br>• Higher capacity (~375 KB/MP)"></i>
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</label>
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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="mb-3">
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<div class="security-box">
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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-scan-container 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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<!-- Data panel -->
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<div class="qr-data-panel">
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<div class="qr-data-filename">
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<i class="bi bi-check-circle-fill"></i>
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<span>RSA Key loaded</span>
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</div>
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<div class="qr-data-row">
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<span class="qr-status-badge">RSA Key</span>
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<span class="qr-data-value">--</span>
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</div>
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</div>
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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" data-toggle-password="rsaPasswordInput">
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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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<!-- PIN + Channel Row -->
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<div class="row">
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<div class="col-md-6 mb-3">
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<div class="security-box h-100">
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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">
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<button class="btn btn-outline-secondary" type="button" data-toggle-password="pinInput">
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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>
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<div class="col-md-6 mb-3">
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<div class="security-box h-100">
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<label class="form-label">
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<i class="bi bi-broadcast me-1"></i> Channel
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<span class="badge bg-info ms-1">v4.0</span>
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<a href="/about#channel-keys" class="text-muted ms-1" title="Learn about channels"><i class="bi bi-info-circle"></i></a>
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</label>
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<select class="form-select" name="channel_key" id="channelSelect">
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<option value="auto" selected>Auto{% if channel_configured %} (Server Key){% endif %}</option>
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<option value="none">Public</option>
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{% if saved_channel_keys %}
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<optgroup label="Saved Keys">
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{% for key in saved_channel_keys %}
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<option value="{{ key.channel_key }}" data-key-id="{{ key.id }}">{{ key.name }} ({{ key.channel_key[:4] }}...)</option>
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{% endfor %}
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</optgroup>
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{% endif %}
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<option value="custom">Custom...</option>
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</select>
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<!-- Server channel indicator (compact) -->
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<div class="small text-success mt-2 {% if not channel_configured %}d-none{% endif %}" id="channelServerInfo" data-fingerprint="{{ channel_fingerprint[:4] }}-••••-···-••••-{{ channel_fingerprint[-4:] if channel_fingerprint else '' }}">
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{% if channel_configured %}
|
||
<i class="bi bi-shield-lock me-1"></i>
|
||
Server: <code>{{ channel_fingerprint[:4] }}-••••-···-••••-{{ channel_fingerprint[-4:] }}</code>
|
||
{% endif %}
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
<!-- Custom Channel Key Input (shown when Custom selected) -->
|
||
<div class="mb-4 d-none" id="channelCustomInput">
|
||
<div class="security-box">
|
||
<label class="form-label"><i class="bi bi-key me-1"></i> Custom Channel Key</label>
|
||
<div class="input-group">
|
||
<input type="text" name="channel_key_custom" class="form-control font-monospace"
|
||
placeholder="XXXX-XXXX-XXXX-XXXX-XXXX-XXXX-XXXX-XXXX"
|
||
pattern="[A-Za-z0-9]{4}(-[A-Za-z0-9]{4}){7}"
|
||
id="channelKeyInput">
|
||
<button class="btn btn-outline-secondary" type="button" id="channelKeyGenerate" title="Generate random key">
|
||
<i class="bi bi-shuffle"></i>
|
||
</button>
|
||
</div>
|
||
<div class="invalid-feedback" id="channelKeyError">
|
||
Invalid format. Use: XXXX-XXXX-XXXX-XXXX-XXXX-XXXX-XXXX-XXXX
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
<!-- Advanced Options (DCT sub-options only) -->
|
||
<div class="mb-4 {% if not has_dct %}d-none{% endif %}" id="advancedOptionsContainer">
|
||
<a class="btn btn-sm btn-outline-secondary w-100" data-bs-toggle="collapse" href="#advancedOptions" role="button" aria-expanded="false">
|
||
<i class="bi bi-gear me-1"></i> DCT Options
|
||
<i class="bi bi-chevron-down ms-1" id="advancedChevron"></i>
|
||
</a>
|
||
|
||
<div class="collapse" id="advancedOptions">
|
||
<div class="card card-body mt-2 bg-dark border-secondary py-3">
|
||
|
||
<!-- DCT Color Mode - Compact -->
|
||
<div class="mb-3">
|
||
<label class="form-label small mb-2">
|
||
<i class="bi bi-palette me-1"></i> Color
|
||
</label>
|
||
<div class="d-flex gap-2">
|
||
<label class="mode-btn equal-width active" id="dctColorCard" for="dctColorColor">
|
||
<input class="form-check-input" type="radio" name="dct_color_mode" id="dctColorColor" value="color" checked>
|
||
<i class="bi bi-palette-fill text-success"></i>
|
||
<span class="ms-2"><strong>Color</strong> <span class="badge bg-success ms-1">Default</span></span>
|
||
</label>
|
||
<label class="mode-btn equal-width" id="dctGrayscaleCard" for="dctColorGrayscale">
|
||
<input class="form-check-input" type="radio" name="dct_color_mode" id="dctColorGrayscale" value="grayscale">
|
||
<i class="bi bi-circle-half text-secondary"></i>
|
||
<span class="ms-2"><strong>Grayscale</strong></span>
|
||
</label>
|
||
</div>
|
||
</div>
|
||
|
||
<!-- DCT Output Format - Compact -->
|
||
<div class="mb-0">
|
||
<label class="form-label small mb-2">
|
||
<i class="bi bi-file-image me-1"></i> Format
|
||
</label>
|
||
<div class="d-flex gap-2">
|
||
<label class="mode-btn equal-width active" id="dctJpegCard" for="dctFormatJpeg">
|
||
<input class="form-check-input" type="radio" name="dct_output_format" id="dctFormatJpeg" value="jpeg" checked>
|
||
<i class="bi bi-file-earmark-richtext text-warning"></i>
|
||
<span class="ms-2"><strong>JPEG</strong> <span class="badge bg-warning text-dark ms-1">Default</span></span>
|
||
</label>
|
||
<label class="mode-btn equal-width" id="dctPngCard" for="dctFormatPng">
|
||
<input class="form-check-input" type="radio" name="dct_output_format" id="dctFormatPng" value="png">
|
||
<i class="bi bi-file-earmark-image text-primary"></i>
|
||
<span class="ms-2"><strong>PNG</strong> <span class="text-muted d-none d-sm-inline">· Lossless</span></span>
|
||
</label>
|
||
</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 src="{{ url_for('static', filename='js/stegasoo.js') }}"></script>
|
||
<script>
|
||
// ============================================================================
|
||
// ENCODE PAGE - 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);
|
||
|
||
// ============================================================================
|
||
// ENCODE PAGE - Passphrase validation
|
||
// ============================================================================
|
||
|
||
const passphraseInput = document.getElementById('passphraseInput');
|
||
const passphraseWarning = document.getElementById('passphraseWarning');
|
||
|
||
passphraseInput?.addEventListener('input', function() {
|
||
const words = this.value.trim().split(/\s+/).filter(w => w.length > 0);
|
||
const recommendedWords = {{ recommended_passphrase_words }};
|
||
|
||
if (passphraseWarning) {
|
||
passphraseWarning.style.display = (words.length > 0 && words.length < recommendedWords) ? 'block' : 'none';
|
||
}
|
||
});
|
||
|
||
// ============================================================================
|
||
// ENCODE PAGE - Payload file info
|
||
// ============================================================================
|
||
|
||
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');
|
||
if (fileInfoName) fileInfoName.textContent = file.name;
|
||
if (fileInfoSize) fileInfoSize.textContent = (file.size / 1024).toFixed(1) + ' KB';
|
||
|
||
const label = document.getElementById('payloadDropLabel');
|
||
if (label) label.innerHTML = `<i class="bi bi-check-circle text-success me-1"></i>${file.name}`;
|
||
} else {
|
||
fileInfo?.classList.add('d-none');
|
||
}
|
||
});
|
||
|
||
// ============================================================================
|
||
// ENCODE PAGE - Character counter
|
||
// ============================================================================
|
||
|
||
messageInput?.addEventListener('input', function() {
|
||
const count = this.value.length;
|
||
const max = 250000;
|
||
const percent = Math.round((count / max) * 100);
|
||
|
||
const charCount = document.getElementById('charCount');
|
||
const charPercent = document.getElementById('charPercent');
|
||
const charWarning = document.getElementById('charWarning');
|
||
|
||
if (charCount) charCount.textContent = count.toLocaleString();
|
||
if (charPercent) charPercent.textContent = percent + '%';
|
||
charWarning?.classList.toggle('d-none', percent < 80);
|
||
});
|
||
|
||
// ============================================================================
|
||
// ENCODE PAGE - Carrier capacity
|
||
// ============================================================================
|
||
|
||
const capacityPanel = document.getElementById('capacityPanel');
|
||
const carrierInput = document.getElementById('carrierInput');
|
||
|
||
carrierInput?.addEventListener('change', function() {
|
||
if (this.files && this.files[0]) {
|
||
fetchCapacityComparison(this.files[0]);
|
||
}
|
||
});
|
||
|
||
function fetchCapacityComparison(file) {
|
||
const formData = new FormData();
|
||
formData.append('carrier', file);
|
||
|
||
fetch('/api/compare-capacity', {
|
||
method: 'POST',
|
||
body: formData
|
||
})
|
||
.then(response => response.json())
|
||
.then(data => {
|
||
if (data.error) return;
|
||
|
||
const dims = document.getElementById('carrierDimensions');
|
||
const lsbBadge = document.getElementById('lsbCapacityBadge');
|
||
const dctBadge = document.getElementById('dctCapacityBadge');
|
||
|
||
if (dims) dims.textContent = `${data.width} × ${data.height} (${(data.width * data.height / 1000000).toFixed(1)} MP)`;
|
||
if (lsbBadge) lsbBadge.textContent = `LSB: ${data.lsb.capacity_kb} KB`;
|
||
if (dctBadge) dctBadge.textContent = `DCT: ${data.dct.capacity_kb} KB`;
|
||
|
||
capacityPanel?.classList.remove('d-none');
|
||
})
|
||
.catch(err => console.error('Capacity fetch failed:', err));
|
||
}
|
||
|
||
// ============================================================================
|
||
// ENCODE PAGE - Mode switching (LSB/DCT)
|
||
// ============================================================================
|
||
|
||
// Initialize tooltips for mode info icons
|
||
document.querySelectorAll('[data-bs-toggle="tooltip"]').forEach(el => {
|
||
new bootstrap.Tooltip(el);
|
||
});
|
||
|
||
// Mode button active state toggle
|
||
const modeRadios = document.querySelectorAll('input[name="embed_mode"]');
|
||
const modeBtns = { 'dct': document.getElementById('dctModeCard'), 'lsb': document.getElementById('lsbModeCard') };
|
||
|
||
modeRadios.forEach(radio => {
|
||
radio.addEventListener('change', () => {
|
||
Object.values(modeBtns).forEach(btn => btn?.classList.remove('active'));
|
||
modeBtns[radio.value]?.classList.add('active');
|
||
});
|
||
});
|
||
|
||
// Show/hide DCT options
|
||
const modeDct = document.getElementById('modeDct');
|
||
const advancedOptionsContainer = document.getElementById('advancedOptionsContainer');
|
||
|
||
document.querySelectorAll('input[name="embed_mode"]').forEach(radio => {
|
||
radio.addEventListener('change', () => {
|
||
advancedOptionsContainer?.classList.toggle('d-none', !modeDct?.checked);
|
||
});
|
||
});
|
||
|
||
// DCT color mode button active state toggle
|
||
const colorModeRadios = document.querySelectorAll('input[name="dct_color_mode"]');
|
||
const colorModeBtns = { 'color': document.getElementById('dctColorCard'), 'grayscale': document.getElementById('dctGrayscaleCard') };
|
||
|
||
colorModeRadios.forEach(radio => {
|
||
radio.addEventListener('change', () => {
|
||
Object.values(colorModeBtns).forEach(btn => btn?.classList.remove('active'));
|
||
colorModeBtns[radio.value]?.classList.add('active');
|
||
});
|
||
});
|
||
|
||
// DCT format button active state toggle
|
||
const formatRadios = document.querySelectorAll('input[name="dct_output_format"]');
|
||
const formatBtns = { 'png': document.getElementById('dctPngCard'), 'jpeg': document.getElementById('dctJpegCard') };
|
||
|
||
formatRadios.forEach(radio => {
|
||
radio.addEventListener('change', () => {
|
||
Object.values(formatBtns).forEach(btn => btn?.classList.remove('active'));
|
||
formatBtns[radio.value]?.classList.add('active');
|
||
});
|
||
});
|
||
|
||
// Advanced options chevron
|
||
const advancedOptionsEl = document.getElementById('advancedOptions');
|
||
advancedOptionsEl?.addEventListener('show.bs.collapse', () => {
|
||
document.getElementById('advancedChevron')?.classList.replace('bi-chevron-down', 'bi-chevron-up');
|
||
});
|
||
advancedOptionsEl?.addEventListener('hide.bs.collapse', () => {
|
||
document.getElementById('advancedChevron')?.classList.replace('bi-chevron-up', 'bi-chevron-down');
|
||
});
|
||
|
||
// ============================================================================
|
||
// ENCODE PAGE - Duplicate file check
|
||
// ============================================================================
|
||
|
||
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');
|
||
const label = document.querySelector('#carrierDropZone .drop-zone-label');
|
||
if (label) {
|
||
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);
|
||
</script>
|
||
{% endblock %}
|