fix: add TSV (text/tab-separated-values) support to content scanner#1645
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Add TSV alongside CSV as a supported text MIME type. TSV files are plain tab-delimited text with no magic bytes, so they use the same AnyContent matcher as CSV. Updates the MIME catalog, validator, and extension-to-MIME normalization override.
Aaronontheweb
enabled auto-merge (squash)
July 15, 2026 00:41
This was referenced Jul 16, 2026
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Closes #1632.
The content scanner rejected TSV files with MIME type
text/tab-separated-valuesas unsupported. TSV is plain tab-delimited text — identical in structure to CSV — so it uses the sameAnyContentbyte-signature matcher.Changes:
TextTsvconstant, definition entry, and extension-to-MIME normalization override (.tsvdeclared astext/plain→ normalized totext/tab-separated-values)text/tab-separated-valuesin the signature matcher dictionaryDefaultAllowedMimeTypessince it derives from the catalogAll 97 security tests and 6 WebFetch tests pass.