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Add malware scanning to downloads with Windows Defender

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Integrates post-download malware scanning using Windows Defender on Windows platforms. Adds scan status tracking, rescan and delete actions for infected files, and updates the downloads UI to display scan results and actions. Non-Windows platforms show scan as unavailable.
This commit is contained in:
Andrew Zambazos
2025-09-20 22:05:55 +12:00
parent 36a4e58017
commit f02a78b958
3 changed files with 177 additions and 9 deletions
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renderer/downloads.html
+31 -2
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@@ -21,6 +21,10 @@
.row { display: flex; gap: 12px; justify-content: space-between; align-items: center; }
.empty { color: #888; font-style: italic; padding: 20px; text-align: center; }
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.scan { font-size: 12px; }
.scan.bad { color: #f87171; }
.scan.good { color: #34d399; }
.scan.pending { color: #fbbf24; }
</style>
</head>
<body>
@@ -46,8 +50,28 @@
return (n/Math.pow(1024,i)).toFixed( i===0 ? 0 : 1 ) + ' ' + u[i];
}
function esc(s) {
return (s || '').replace(/[&<>"']/g, (c) => ({
'&': '&amp;',
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
"'": '&#39;'
})[c]);
}
function rowHtml(d){
const pct = d.totalBytes > 0 ? Math.min(100, Math.round((d.receivedBytes||0) * 100 / d.totalBytes)) : 0;
const scan = d.scan || { status: 'unavailable' };
const isInfected = scan.status === 'infected';
const isScanning = scan.status === 'scanning';
const scanCls = scan.status === 'infected' ? 'scan bad' : (scan.status === 'clean' ? 'scan good' : (scan.status==='scanning'?'scan pending':'scan'));
const scanText = scan.status === 'infected' ? `Threat detected (${scan.engine||''})` :
scan.status === 'clean' ? `Scanned clean (${scan.engine||''})` :
scan.status === 'scanning' ? `Scanning... (${scan.engine||''})` :
scan.status === 'pending' ? `Queued for scan (${scan.engine||''})` :
scan.status === 'error' ? `Scan error${scan.details?': '+esc(scan.details):''}` :
'Scan unavailable';
return `
<div class="download-item" id="dl-${d.id}">
<div class="file" title="${d.filename}">${d.filename}</div>
@@ -56,13 +80,16 @@
<button data-act="${d.paused?'resume':'pause'}" data-id="${d.id}">${d.paused?'Resume':'Pause'}</button>
<button data-act="cancel" data-id="${d.id}">Cancel</button>
` : `
<button data-act="open-file" data-id="${d.id}" ${d.state!=='completed'?'disabled':''}>Open</button>
<button data-act="open-file" data-id="${d.id}" ${(d.state!=='completed'||isInfected)?'disabled':''}>Open</button>
<button data-act="show-in-folder" data-id="${d.id}">Show in Folder</button>
${isInfected ? `<button data-act="delete-file" data-id="${d.id}">Delete</button>` : ''}
${d.state!=='in-progress' ? `<button data-act="rescan" data-id="${d.id}" ${isScanning?'disabled':''}>Rescan</button>` : ''}
`}
</div>
<div class="meta">
<span class="state">${d.state}</span>
· ${fmtBytes(d.receivedBytes||0)} / ${fmtBytes(d.totalBytes||0)}
· <span class="${scanCls}">${scanText}</span>
</div>
<div class="progress"><div class="bar" style="width:${pct}%"></div></div>
</div>
@@ -102,7 +129,9 @@
// For simplicity now, refresh list
refresh();
});
api.onDone(()=> refresh());
api.onDone(()=> refresh());
api.onScanStarted(()=> refresh());
api.onScanResult(()=> refresh());
api.onCleared(()=> refresh());
refresh();