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refactor(csv): extract shared CSV export utils and unify all export pages - #358
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…ages Extract sanitizeCsvCell, buildCsv, and downloadCsv into src/utils/csv.ts. Refactor all four CSV export pages (devices, audits/conn, audits/file, audits/alarm) to use the shared utilities. - devices: add confirm dialog, 1000-record cap, dayjs filename, no-data warning, and sanitizeCsvCell for formula injection defense - audits/conn: replace inline downloadCsv with shared utility - audits/file: fix CSV injection vulnerability (was using naive double-quote wrapping without escaping or formula neutralization), add no-data warning, use shared buildCsv and downloadCsv - audits/alarm: remove duplicated sanitizeCsvCell, use shared buildCsv and downloadCsv This eliminates code duplication across four files and ensures consistent security posture (OWASP CSV injection protection) and UX (confirm dialog, record limit, filename format) across all export pages.
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Merge Risk: ⚪ Minimal · up to The supplied change context identifies no concrete unresolved export issue; the previously reported newline sanitization gap is addressed. Pre-merge checks |
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The title clearly and concisely describes the main changes: extracting shared CSV export utilities and applying them across export pages. |
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Actionable comments posted: 1
- 🪄 Fix CodeRabbit comments on this PR
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Review comments at @src/utils/csv.ts:
- Line 17: Update the CSV sanitizer’s formula-prefix check to include line feed
alongside the existing dangerous prefixes, so cells beginning with a newline
receive the protective single quote.
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📒 Files selected for processing (6)
src/pages/audits/alarm/index.tsxsrc/pages/audits/conn/components/useCsvExport.tssrc/pages/audits/conn/utils.tssrc/pages/audits/file/index.tsxsrc/pages/devices/index.tsxsrc/utils/csv.ts
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Add \n to the sanitizer prefix regex to fully align with the OWASP CSV Injection guidance, which lists line feed as a risky leading character alongside =, +, -, @, tab, and carriage return.
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Summary
sanitizeCsvCell,buildCsv, anddownloadCsvintosrc/utils/csv.tsaudits/file(was using naive"${cell}"wrapping without escaping or formula neutralization)dayjsfilename format, no-data warningChanges by file
src/utils/csv.tssanitizeCsvCell,buildCsv,downloadCsvsrc/pages/devices/index.tsxdayjsfilename, no-data warning; use shared utilssrc/pages/audits/conn/components/useCsvExport.tsdownloadCsvwith shared utilitysrc/pages/audits/conn/utils.tssanitizeCsvCellfrom@/utils/csvsrc/pages/audits/file/index.tsx"${cell}"withbuildCsv(proper escaping + formula injection defense); add no-data warning; use shared utilssrc/pages/audits/alarm/index.tsxsanitizeCsvCell; use sharedbuildCsvanddownloadCsvSecurity fix
audits/filewas vulnerable to CSV injection: cell values starting with=,+,-,@,\t, or\rwould be interpreted as formulas by spreadsheet applications. The sharedsanitizeCsvCellneutralizes these by prefixing with a single quote.Context
Follow-up to #357 (merged). CodeRabbit review identified that the devices CSV export implementation was inconsistent with the existing audit page exports. This PR consolidates all CSV export logic into a single shared module.
Summary by CodeRabbit