Minor fixes
This commit is contained in:
adlee-was-taken
@@ -280,7 +280,7 @@
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<i class="bi bi-file-earmark-music me-1"></i> Stego Audio
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</label>
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<div class="drop-zone pixel-container" id="audioStegoDropZone">
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<input type="file" name="stego_image" accept="audio/*" id="audioStegoInput">
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<input type="file" name="stego_audio" accept="audio/*" id="audioStegoInput">
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<div class="drop-zone-label">
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<i class="bi bi-music-note-beamed fs-3 d-block mb-2 text-muted"></i>
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<span class="text-muted">Drop audio or click</span>
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@@ -240,6 +240,11 @@
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</div>
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</div>
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<!-- Capacity Warning -->
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<div class="form-text text-danger d-none" id="capacityWarning">
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<i class="bi bi-exclamation-triangle-fill me-1"></i><span id="capacityWarningText"></span>
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</div>
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<!-- Mode & Carrier Type toggles (aligned row) -->
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<div class="row">
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<div class="col-md-6">
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@@ -541,6 +546,82 @@ const audioModeGroup = document.getElementById('audioModeGroup');
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const capacityPanel = document.getElementById('capacityPanel');
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const audioCapacityPanel = document.getElementById('audioCapacityPanel');
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// Capacity tracking for client-side payload size validation
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let capacityBytes = { dct: 0, lsb: 0, audio_lsb: 0, audio_spread: 0 };
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function checkCapacity() {
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const warning = document.getElementById('capacityWarning');
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const warningText = document.getElementById('capacityWarningText');
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const encodeBtn = document.getElementById('encodeBtn');
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if (!warning || !warningText || !encodeBtn) return;
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// Determine payload size
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const isText = document.getElementById('payloadText')?.checked;
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let payloadSize = 0;
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if (isText) {
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const msg = document.getElementById('messageInput')?.value || '';
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if (msg) payloadSize = new Blob([msg]).size;
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} else {
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const file = document.getElementById('payloadFileInput')?.files[0];
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if (file) payloadSize = file.size;
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}
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// Get active mode
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const mode = document.querySelector('input[name="embed_mode"]:checked')?.value || 'lsb';
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const cap = capacityBytes[mode] || 0;
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// Update char percent to use real capacity
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if (isText) {
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const charPercent = document.getElementById('charPercent');
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if (charPercent) {
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const effectiveCap = cap > 0 ? cap : 250000;
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charPercent.textContent = Math.round((payloadSize / effectiveCap) * 100) + '%';
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}
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}
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// Reset badge colors
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const badgeMap = {
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dct: 'dctCapacityBadge',
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lsb: 'lsbCapacityBadge',
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audio_lsb: 'lsbAudioCapacityBadge',
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audio_spread: 'spreadCapacityBadge'
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};
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// Restore default badge colors
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const dctBadge = document.getElementById('dctCapacityBadge');
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const lsbBadge = document.getElementById('lsbCapacityBadge');
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const audioLsbBadge = document.getElementById('lsbAudioCapacityBadge');
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const spreadBadge = document.getElementById('spreadCapacityBadge');
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if (dctBadge) { dctBadge.classList.remove('bg-danger'); dctBadge.classList.add('bg-warning'); }
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if (lsbBadge) { lsbBadge.classList.remove('bg-danger'); lsbBadge.classList.add('bg-primary'); }
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if (audioLsbBadge) { audioLsbBadge.classList.remove('bg-danger'); audioLsbBadge.classList.add('bg-primary'); }
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if (spreadBadge) { spreadBadge.classList.remove('bg-danger'); spreadBadge.classList.add('bg-warning'); }
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// No carrier or no payload — clear warning
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if (cap === 0 || payloadSize === 0) {
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warning.classList.add('d-none');
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encodeBtn.disabled = false;
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return;
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}
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if (payloadSize > cap) {
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// Exceeds capacity — show warning, turn badge red, disable button
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const activeBadge = document.getElementById(badgeMap[mode]);
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if (activeBadge) {
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activeBadge.classList.remove('bg-primary', 'bg-warning');
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activeBadge.classList.add('bg-danger');
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}
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const needed = (payloadSize / 1024).toFixed(1);
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const available = (cap / 1024).toFixed(1);
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warningText.textContent = `Payload too large: ${needed} KB needed, only ${available} KB capacity in ${mode.replace('_', ' ').toUpperCase()} mode`;
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warning.classList.remove('d-none');
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encodeBtn.disabled = true;
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} else {
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warning.classList.add('d-none');
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encodeBtn.disabled = false;
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}
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}
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carrierTypeRadios.forEach(radio => {
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radio.addEventListener('change', function() {
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const isAudio = this.value === 'audio';
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@@ -560,9 +641,17 @@ carrierTypeRadios.forEach(radio => {
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if (imageModeGroup) imageModeGroup.classList.toggle('d-none', isAudio);
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if (audioModeGroup) audioModeGroup.classList.toggle('d-none', !isAudio);
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// Toggle capacity panels
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// Toggle capacity panels and reset capacity values
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if (capacityPanel) capacityPanel.classList.add('d-none');
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if (audioCapacityPanel) audioCapacityPanel.classList.add('d-none');
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if (isAudio) {
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capacityBytes.dct = 0;
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capacityBytes.lsb = 0;
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} else {
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capacityBytes.audio_lsb = 0;
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capacityBytes.audio_spread = 0;
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}
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checkCapacity();
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// Select default mode for the active type and update hint
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if (isAudio) {
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@@ -621,7 +710,10 @@ audioCarrierInput?.addEventListener('change', function() {
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document.getElementById('audioInfo').textContent = info;
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document.getElementById('lsbAudioCapacityBadge').textContent = `LSB: ${(data.lsb_capacity / 1024).toFixed(1)} KB`;
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document.getElementById('spreadCapacityBadge').textContent = `Spread: ${(data.spread_capacity / 1024).toFixed(1)} KB`;
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capacityBytes.audio_lsb = data.lsb_capacity;
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capacityBytes.audio_spread = data.spread_capacity;
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document.getElementById('audioCapacityPanel')?.classList.remove('d-none');
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checkCapacity();
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if (data.duration) {
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document.getElementById('audioCarrierDuration').textContent = data.duration + 's duration';
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}
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@@ -763,6 +855,7 @@ function updatePayloadSection() {
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payloadFileInput.setAttribute('required', '');
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}
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updatePayloadSummary();
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checkCapacity();
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}
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payloadTextRadio?.addEventListener('change', updatePayloadSection);
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@@ -786,6 +879,7 @@ payloadFileInput?.addEventListener('change', function() {
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} else {
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fileInfo?.classList.add('d-none');
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}
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checkCapacity();
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});
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// ============================================================================
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@@ -795,7 +889,7 @@ payloadFileInput?.addEventListener('change', function() {
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messageInput?.addEventListener('input', function() {
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const count = this.value.length;
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document.getElementById('charCount').textContent = count.toLocaleString();
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document.getElementById('charPercent').textContent = Math.round((count / 250000) * 100) + '%';
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checkCapacity();
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});
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// ============================================================================
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@@ -814,7 +908,10 @@ carrierInput?.addEventListener('change', function() {
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document.getElementById('carrierDimensions').textContent = `${data.width} x ${data.height}`;
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document.getElementById('lsbCapacityBadge').textContent = `LSB: ${data.lsb.capacity_kb} KB`;
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document.getElementById('dctCapacityBadge').textContent = `DCT: ${data.dct.capacity_kb} KB`;
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capacityBytes.lsb = Math.round(data.lsb.capacity_kb * 1024);
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capacityBytes.dct = Math.round(data.dct.capacity_kb * 1024);
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document.getElementById('capacityPanel')?.classList.remove('d-none');
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checkCapacity();
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}).catch(() => {});
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}
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});
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@@ -859,7 +956,7 @@ function updateOutputOptions(mode) {
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}
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modeRadios.forEach(radio => {
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radio.addEventListener('change', () => updateOutputOptions(radio.value));
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radio.addEventListener('change', () => { updateOutputOptions(radio.value); checkCapacity(); });
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});
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// Initialize output options based on initial mode
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