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24 formatos novos reconhecidos pela estrutura (gz, bz2, zst, mkv/webm, ogg, rar, elf, tiff/cr2, ico, regf, evtx, ts, cab, deb, swf, wmv, pst, flv, jp2, rtf, midi, aiff, pcap, pcapng)

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Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This commit is contained in:
Lucas RayanandClaude Sonnet 5.5 committed 2026-10-19 00:15:04 -03:00
1 parent b89d5dd490
commit a017d79b00
4 files changed
+1065 -8
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crates/guara-core/src/signatures.rs
+24 -8
View File
@@ -18,15 +18,15 @@ pub struct Hit {
pub fn category_for_ext(ext: &str) -> Category {
match ext.to_ascii_lowercase().as_str() {
"jpg" | "jpeg" | "png" | "gif" | "bmp" | "webp" | "heic" | "avif" | "tif" | "tiff"
| "psd" | "svg" | "ico" | "cr2" | "nef" | "dng" => Category::Image,
| "psd" | "svg" | "ico" | "cr2" | "nef" | "dng" | "jp2" => Category::Image,
"pdf" | "doc" | "docx" | "xls" | "xlsx" | "ppt" | "pptx" | "odt" | "ods" | "odp"
| "txt" | "rtf" | "epub" | "md" | "csv" | "html" | "xml" | "json" => Category::Document,
"mp4" | "mov" | "m4v" | "avi" | "mkv" | "webm" | "wmv" | "flv" | "mpg" | "mpeg" | "3gp" => {
| "txt" | "rtf" | "epub" | "md" | "csv" | "html" | "xml" | "json" | "swf" => Category::Document,
"mp4" | "mov" | "m4v" | "avi" | "mkv" | "webm" | "wmv" | "flv" | "mpg" | "mpeg" | "3gp" | "ts" => {
Category::Video
}
"mp3" | "wav" | "flac" | "ogg" | "m4a" | "aac" | "wma" | "opus" => Category::Audio,
"zip" | "rar" | "7z" | "gz" | "tar" | "bz2" | "xz" | "jar" | "apk" => Category::Archive,
"sqlite" | "db" | "sqlite3" | "mdb" | "accdb" => Category::Database,
"mp3" | "wav" | "flac" | "ogg" | "m4a" | "aac" | "wma" | "opus" | "mid" | "aif" => Category::Audio,
"zip" | "rar" | "7z" | "gz" | "tar" | "bz2" | "xz" | "jar" | "apk" | "zst" | "cab" | "deb" => Category::Archive,
"sqlite" | "db" | "sqlite3" | "mdb" | "accdb" | "pst" | "dat" | "evtx" => Category::Database,
_ => Category::Other,
}
}
@@ -60,6 +60,21 @@ pub fn matches_ext(ext: &str, head: &[u8]) -> Option<bool> {
"mkv" | "webm" => starts(&[0x1A, 0x45, 0xDF, 0xA3]),
"sqlite" | "sqlite3" | "db" => starts(b"SQLite format 3\0"),
"exe" | "dll" => starts(b"MZ"),
"bz2" => starts(b"BZh"),
"zst" => starts(&[0x28, 0xB5, 0x2F, 0xFD]),
"cab" => starts(b"MSCF"),
"deb" => starts(b"!<arch>"),
"elf" => starts(&[0x7F, b'E', b'L', b'F']),
"tif" | "tiff" => starts(&[b'I', b'I', 42, 0]) || starts(&[b'M', b'M', 0, 42]),
"ico" => starts(&[0, 0, 1, 0]),
"rtf" => starts(b"{\\rtf"),
"swf" => starts(b"FWS") || starts(b"CWS"),
"flv" => starts(b"FLV"),
"pst" => starts(b"!BDN"),
"evtx" => starts(b"ElfFile"),
"mid" => starts(b"MThd"),
"pcap" => starts(&[0xD4, 0xC3, 0xB2, 0xA1]) || starts(&[0xA1, 0xB2, 0xC3, 0xD4]),
"wmv" | "wma" => starts(&[0x30, 0x26, 0xB2, 0x75]),
_ => return None,
};
Some(r)
@@ -68,7 +83,8 @@ pub fn matches_ext(ext: &str, head: &[u8]) -> Option<bool> {
/// Tabela de primeiros bytes -> detectores candidatos.
/// O carving consulta `candidates(first_byte)` e chama `detect`.
pub fn might_start(b0: u8) -> bool {
matches!(
crate::formats::might_start(b0)
|| matches!(
b0,
0xFF | 0x89
| b'G'
@@ -135,7 +151,7 @@ pub fn detect(src: &dyn Source, off: u64, head: &[u8], max_size: u64) -> Option<
if h.starts_with(b"MZ") {
return pe(src, off, max_size);
}
None
crate::formats::detect(src, off, h, max_size)
}
// ---------------------------------------------------------------- JPEG