514 lines
26 KiB
HTML
514 lines
26 KiB
HTML
{% extends "base.html" %}
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{% block title %}Decode 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 {
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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-unlock-fill me-2"></i>Decode Secret Message or File</h5>
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</div>
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<div class="card-body">
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{% if decoded_message %}
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<!-- Text Message Result -->
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<div class="alert alert-success">
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<h6><i class="bi bi-check-circle me-2"></i>Message Decrypted Successfully!</h6>
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</div>
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<label class="form-label text-muted">Decoded Message:</label>
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<div class="alert-message p-3 rounded bg-dark border border-secondary mb-2" id="decodedContent" style="white-space: pre-wrap;">{{ decoded_message }}</div>
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<div class="d-flex justify-content-end mb-3">
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<button class="btn btn-sm btn-outline-light" onclick="navigator.clipboard.writeText(document.getElementById('decodedContent').innerText).then(() => { this.innerHTML = '<i class=\'bi bi-check\'></i> Copied!'; setTimeout(() => this.innerHTML = '<i class=\'bi bi-clipboard\'></i> Copy', 2000); }).catch(() => alert('Failed to copy'))">
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<i class="bi bi-clipboard"></i> Copy
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</button>
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</div>
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<a href="/decode" class="btn btn-outline-light w-100">
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<i class="bi bi-arrow-repeat me-2"></i>Decode Another
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</a>
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{% elif decoded_file %}
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<!-- File Result -->
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<div class="alert alert-success">
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<h6><i class="bi bi-check-circle me-2"></i>File Decrypted Successfully!</h6>
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</div>
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<div class="text-center mb-4">
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<i class="bi bi-file-earmark-check text-success" style="font-size: 4rem;"></i>
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<h5 class="mt-3">{{ filename }}</h5>
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<p class="text-muted mb-1">{{ file_size }}</p>
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{% if mime_type %}
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<small class="text-muted">Type: {{ mime_type }}</small>
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{% endif %}
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</div>
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<a href="{{ url_for('decode_download', file_id=file_id) }}" class="btn btn-primary btn-lg w-100 mb-3">
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<i class="bi bi-download me-2"></i>Download File
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</a>
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<div class="alert alert-warning small">
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<i class="bi bi-clock me-1"></i>
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<strong>File expires in 5 minutes.</strong> Download now.
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</div>
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<a href="/decode" class="btn btn-outline-light w-100">
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<i class="bi bi-arrow-repeat me-2"></i>Decode Another
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</a>
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{% else %}
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<!-- Decode Form -->
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<form method="POST" enctype="multipart/form-data" id="decodeForm">
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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 same reference photo used for encoding
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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-earmark-image me-1"></i> Stego Image
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</label>
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<div class="drop-zone pixel-container" id="stegoDropZone">
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<input type="file" name="stego_image" 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="stegoPreview">
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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="stegoFileName">image.png</span>
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</div>
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<div class="pixel-data-row">
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<span class="pixel-status-badge">Stego Loaded</span>
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<span class="pixel-data-value" id="stegoFileSize">--</span>
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</div>
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<div class="pixel-dimensions" id="stegoDims">-- × -- 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 containing the hidden message/file
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</div>
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</div>
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</div>
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<div class="mb-3">
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<label class="form-label">
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<i class="bi bi-chat-quote me-1"></i> Passphrase
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</label>
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<input type="text" name="passphrase" id="passphraseInput" class="form-control passphrase-input"
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placeholder="e.g., correct horse battery staple" required>
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<div class="form-text">
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The passphrase used during encoding (typically 4 words)
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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 same factors used during encoding)</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" 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">If PIN was used during encoding</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" id="rsaKeyInput" accept=".pem,.key,application/x-pem-file">
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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="rsaKeyQrInput">
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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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<!-- ================================================================
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ADVANCED OPTIONS (v3.0) - Extraction Mode
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================================================================ -->
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<div class="mb-4">
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<a class="btn btn-sm btn-outline-secondary w-100" data-bs-toggle="collapse" href="#advancedOptionsDec" role="button" aria-expanded="false">
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<i class="bi bi-gear me-1"></i> Advanced Options
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<i class="bi bi-chevron-down ms-1" id="advancedChevronDec"></i>
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</a>
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<div class="collapse" id="advancedOptionsDec">
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<div class="card card-body mt-2 bg-dark border-secondary">
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<!-- Extraction Mode Selection -->
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<div class="mb-0">
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<label class="form-label">
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<i class="bi bi-cpu me-1"></i> Extraction Mode
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<span class="badge bg-info ms-1">v3.0</span>
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</label>
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<div class="row g-2">
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<!-- Auto Mode -->
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<div class="col-4">
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<div class="form-check card p-2 text-center h-100" id="autoModeCard">
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<input class="form-check-input mx-auto" type="radio" name="embed_mode" id="modeAuto" value="auto" checked>
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<label class="form-check-label w-100" for="modeAuto">
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<i class="bi bi-magic text-success fs-4 d-block mb-1"></i>
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<strong>Auto</strong>
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<div class="small text-muted">Try both</div>
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</label>
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</div>
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</div>
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<!-- LSB Mode -->
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<div class="col-4">
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<div class="form-check card p-2 text-center h-100" id="lsbModeCardDec">
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<input class="form-check-input mx-auto" type="radio" name="embed_mode" id="modeLsbDec" value="lsb">
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<label class="form-check-label w-100" for="modeLsbDec">
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<i class="bi bi-grid-3x3-gap text-primary fs-4 d-block mb-1"></i>
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<strong>LSB</strong>
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<div class="small text-muted">Spatial only</div>
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</label>
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</div>
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</div>
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<!-- DCT Mode -->
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<div class="col-4">
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<div class="form-check card p-2 text-center h-100 {% if not has_dct %}opacity-50{% endif %}" id="dctModeCardDec">
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<input class="form-check-input mx-auto" type="radio" name="embed_mode" id="modeDctDec" value="dct" {% if not has_dct %}disabled{% endif %}>
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<label class="form-check-label w-100" for="modeDctDec">
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<i class="bi bi-soundwave text-info fs-4 d-block mb-1"></i>
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<strong>DCT</strong>
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<div class="small text-muted">
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{% if has_dct %}Frequency only{% else %}N/A{% endif %}
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</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 class="form-text mt-2">
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<i class="bi bi-lightbulb me-1"></i>
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<strong>Auto</strong> tries LSB first, then DCT. Use specific mode if you know how it was encoded.
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{% if not has_dct %}
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<br><span class="text-warning"><i class="bi bi-exclamation-triangle me-1"></i>DCT requires scipy: <code>pip install scipy</code></span>
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{% endif %}
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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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<button type="submit" class="btn btn-primary btn-lg w-100" id="decodeBtn">
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<i class="bi bi-unlock me-2"></i>Decode
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</button>
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</form>
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{% endif %}
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</div>
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</div>
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{% if not decoded_message and not decoded_file %}
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<div class="card mt-4">
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<div class="card-body">
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<h6 class="text-muted mb-3"><i class="bi bi-question-circle me-2"></i>Troubleshooting</h6>
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<ul class="list-unstyled text-muted small mb-0">
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<li class="mb-2">
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<i class="bi bi-check-circle-fill text-success me-1"></i>
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Use the <strong>exact same reference photo</strong> file (byte-for-byte identical)
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</li>
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<li class="mb-2">
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<i class="bi bi-check-circle-fill text-success me-1"></i>
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Enter the <strong>exact passphrase</strong> used during encoding (case-sensitive, spacing matters)
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</li>
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<li class="mb-2">
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<i class="bi bi-check-circle-fill text-success me-1"></i>
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Provide the <strong>same security factors</strong> (PIN and/or RSA key) used during encoding
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</li>
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<li class="mb-2">
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<i class="bi bi-exclamation-triangle-fill text-warning me-1"></i>
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Ensure the stego image hasn't been <strong>resized, cropped, or recompressed</strong>
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</li>
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<li class="mb-2">
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<i class="bi bi-exclamation-triangle-fill text-warning me-1"></i>
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<strong>Format compatibility:</strong> v4.0 cannot decode messages from v3.1 or earlier (different format)
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</li>
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<li class="mb-2">
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<i class="bi bi-info-circle-fill text-info me-1"></i>
|
||
If using an RSA key, verify the <strong>password is correct</strong> (if key is encrypted)
|
||
</li>
|
||
<li class="mb-0">
|
||
<i class="bi bi-info-circle-fill text-info me-1"></i>
|
||
If auto-detection fails, try specifying <strong>LSB or DCT mode</strong> in Advanced Options
|
||
</li>
|
||
</ul>
|
||
</div>
|
||
</div>
|
||
{% endif %}
|
||
</div>
|
||
</div>
|
||
{% endblock %}
|
||
|
||
{% block scripts %}
|
||
<script src="{{ url_for('static', filename='js/stegasoo.js') }}"></script>
|
||
<script>
|
||
// ============================================================================
|
||
// DECODE PAGE - Initialize shared components
|
||
// ============================================================================
|
||
|
||
Stegasoo.initPasswordToggles();
|
||
Stegasoo.initRsaMethodToggle();
|
||
Stegasoo.initDropZones();
|
||
Stegasoo.initClipboardPaste(['input[name="stego_image"]', 'input[name="reference_photo"]']);
|
||
Stegasoo.initQrCropAnimation('rsaKeyQrInput');
|
||
Stegasoo.initPassphraseFontResize();
|
||
|
||
// ============================================================================
|
||
// DECODE PAGE - Mode card highlighting
|
||
// ============================================================================
|
||
|
||
Stegasoo.initModeCards({
|
||
radioName: 'embed_mode',
|
||
cards: {
|
||
'auto': { id: 'autoModeCard', borderClass: 'border-success' },
|
||
'lsb': { id: 'lsbModeCardDec', borderClass: 'border-primary' },
|
||
'dct': { id: 'dctModeCardDec', borderClass: 'border-info' }
|
||
}
|
||
});
|
||
|
||
// ============================================================================
|
||
// DECODE PAGE - Advanced options chevron
|
||
// ============================================================================
|
||
|
||
const advancedOptionsDec = document.getElementById('advancedOptionsDec');
|
||
advancedOptionsDec?.addEventListener('show.bs.collapse', () => {
|
||
document.getElementById('advancedChevronDec')?.classList.replace('bi-chevron-down', 'bi-chevron-up');
|
||
});
|
||
advancedOptionsDec?.addEventListener('hide.bs.collapse', () => {
|
||
document.getElementById('advancedChevronDec')?.classList.replace('bi-chevron-up', 'bi-chevron-down');
|
||
});
|
||
|
||
// ============================================================================
|
||
// DECODE PAGE - Form submission with mode-specific loading text
|
||
// ============================================================================
|
||
|
||
document.getElementById('decodeForm')?.addEventListener('submit', function() {
|
||
const btn = document.getElementById('decodeBtn');
|
||
const selectedMode = document.querySelector('input[name="embed_mode"]:checked')?.value || 'auto';
|
||
if (btn) {
|
||
btn.disabled = true;
|
||
btn.innerHTML = `<span class="spinner-border spinner-border-sm me-2"></span>Decoding (${selectedMode.toUpperCase()})...`;
|
||
}
|
||
});
|
||
</script>
|
||
{% endblock %}
|