ops: s3 index script #7
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mprpic approved these changes Jul 30, 2025
| <p>Updated: ${updated}</p> | ||
| </body> | ||
| </html>`; | ||
| } |
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Let's make this a tiny bit nicer. How about something like:
function generateHtml(objects) { const updated = new Date().toISOString(); const rows = objects.map(obj => { const size = obj.Size ? formatFileSize(obj.Size) : '-'; const modified = obj.LastModified ? obj.LastModified.toISOString().split('T')[0] : '-'; const escapedKey = escapeHtml(obj.Key); return `<tr style="border-bottom: 1px solid #ddd;"> <td style="padding: 8px;"><a href="./${encodeURI(obj.Key)}" style="color: #0066cc; text-decoration: none;">${escapedKey}</a></td> <td style="padding: 8px;">${modified}</td> <td style="padding: 8px; text-align: right; font-family: monospace;">${size}</td> </tr>`; }).join('\n'); return `<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>CVE Reference Archive</title> </head> <body style="font-family: Arial, sans-serif; margin: 20px; color: #333;"> <h1 style="border-bottom: 1px solid #ccc; padding-bottom: 5px;">CVE Reference Archive</h1> <table style="width: 100%; border-collapse: collapse;"> <tr style="background: #f5f5f5; border-bottom: 2px solid #ccc;"> <th style="padding: 8px; text-align: left;">Name</th> <th style="padding: 8px; text-align: left;">Modified</th> <th style="padding: 8px; text-align: right;">Size</th> </tr> ${rows} </table> <p style="margin-top: 20px; color: #666; font-size: 0.9em;">Updated: ${updated}</p> </body> </html>`; } function formatFileSize(bytes) { if (bytes === 0) return '0 B'; const sizes = ['B', 'KB', 'MB', 'GB', 'TB']; const i = Math.floor(Math.log(bytes) / Math.log(1024)); return Math.round(bytes / Math.pow(1024, i) * 100) / 100 + ' ' + sizes[i]; } function escapeHtml(text) { const div = document.createElement('div'); div.textContent = text; return div.innerHTML; } This will format it as a table, and also list some metadata for each object.
also requires a change to the list function to return entire objects instead of just keys:
async function listAllObjects(bucket) { let contents = []; let continuationToken; do { const res = await s3.send(new ListObjectsV2Command({ Bucket: bucket, ContinuationToken: continuationToken })); contents = contents.concat(res.Contents || []); continuationToken = res.IsTruncated ? res.NextContinuationToken : null; } while (continuationToken); return contents; } Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
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Builds and uploads a simple s3 index.html page of all assets.
This likely won't scale forever, but during pilot it should be okay.