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Sanitize image filenames in FormData to prevent pattern match error #38

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Merged
nabiladem merged 3 commits into from
Feb 12, 2026
Merged

Sanitize image filenames in FormData to prevent pattern match error #38

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a633d77
fix: sanitize image filenames in FormData to prevent pattern match error
nabiladem Feb 12, 2026
2582d13
fix: suppress ESLint no-control-regex warning for filename sanitization
nabiladem Feb 12, 2026
c13fa6a
Fix prettier errors
nabiladem Feb 12, 2026
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6 changes: 5 additions & 1 deletion web/src/components/UploadForm.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -224,7 +224,11 @@ export default function UploadForm({ file, onFileChange }) {

// prepare form data to send to the backend
const fd = new FormData()
fd.append('avatar', file, file.name)
// sanitize filename to prevent "The string did not match the expected pattern" error
// remove control characters, newlines, and other invalid characters
// eslint-disable-next-line no-control-regex
const sanitizedFilename = file.name.replace(/[\x00-\x1F\x7F]/g, '')
fd.append('avatar', file, sanitizedFilename || 'image')
fd.append('maxsize', String(maxSize))
fd.append('format', format)
fd.append('quality', String(quality))
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