Add Zstandard (zstd) file type detection.

2026-05-10 00:35:00 +02:00 · 2026-05-10 00:35:00 +02:00 · 6da5cec354
commit 6da5cec354
parent 0d723d3e05
1 changed files with 26 additions and 0 deletions
--- a/src/core/lib/FileSignatures.mjs
+++ b/src/core/lib/FileSignatures.mjs
@ -1533,6 +1533,32 @@ export const FILE_SIGNATURES = {
            },
            extractor: extractZlib
        },
+        {
+            name: "Zstandard (zstd)",
+            extension: "zst",
+            mime: "application/zstd",
+            description: "",
+            signature: {
+                0: 0x28,
+                1: 0xb5,
+                2: 0x2f,
+                3: 0xfd
+            },
+            extractor: null
+        },
+        {
+            name: "Zstandard skippable frame (zstd)",
+            extension: "zst",
+            mime: "application/zstd",
+            description: "",
+            signature: {
+                0: [0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f],
+                1: 0x2a,
+                2: 0x4d,
+                3: 0x18
+            },
+            extractor: null
+        },
        {
            name: "xz compression",
            extension: "xz",