From 2e1bdd33be96b839e79dc809d816a88cb79d5b47 Mon Sep 17 00:00:00 2001
From: Romain Gallet <romain.gallet@gmail.com>
Date: Tue, 10 Dec 2024 18:12:59 +0100
Subject: [PATCH 1/4] Par2 - added support

---
 README.md               |  1 +
 src/map.rs              |  6 ++++++
 src/matchers/archive.rs | 12 ++++++++++++
 tests/archive.rs        |  1 +
 4 files changed, 20 insertions(+)

diff --git a/README.md b/README.md
index cea0d80..2a1d91a 100644
--- a/README.md
+++ b/README.md
@@ -177,6 +177,7 @@ assert_eq!(kind.extension(), "foo");
 - **zst** - `application/zstd`
 - **msi** - `application/x-ole-storage`
 - **cpio** - `application/x-cpio`
+- **par2** - `application/x-par2`
 
 #### Book
 
diff --git a/src/map.rs b/src/map.rs
index cd0b9ad..ebf1428 100644
--- a/src/map.rs
+++ b/src/map.rs
@@ -443,6 +443,12 @@ matcher_map!(
         "application/x-tar",
         "tar",
         matchers::archive::is_tar
+    ),
+     (
+        MatcherType::Archive,
+        "application/x-par2",
+        "par2",
+        matchers::archive::is_par2
     ),
     (
         MatcherType::Archive,
diff --git a/src/matchers/archive.rs b/src/matchers/archive.rs
index ff03ca3..02906d6 100644
--- a/src/matchers/archive.rs
+++ b/src/matchers/archive.rs
@@ -35,6 +35,18 @@ pub fn is_tar(buf: &[u8]) -> bool {
         && buf[261] == 0x72
 }
 
+pub fn is_par2(buf: &[u8]) -> bool {
+    buf.len() > 8
+        && buf[0] == 0x50
+        && buf[1] == 0x41
+        && buf[2] == 0x52
+        && buf[3] == 0x32
+        && buf[4] == 0x00
+        && buf[5] == 0x50
+        && buf[6] == 0x4B
+        && buf[7] == 0x54
+}
+
 /// Returns whether a buffer is a RAR archive.
 pub fn is_rar(buf: &[u8]) -> bool {
     buf.len() > 6
diff --git a/tests/archive.rs b/tests/archive.rs
index 6c34ee5..28bef76 100644
--- a/tests/archive.rs
+++ b/tests/archive.rs
@@ -17,3 +17,4 @@ test_format!(
     zst_skip,
     "sample.skippable.zst"
 );
+test_format!(Archive, "application/x-par2", "par2", par2, "sample.par2");

From d2f3e2f910597413790246812cc8d47597b5033f Mon Sep 17 00:00:00 2001
From: Romain Gallet <romain.gallet@gmail.com>
Date: Tue, 10 Dec 2024 18:15:18 +0100
Subject: [PATCH 2/4] Par2 - added support

---
 src/map.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/map.rs b/src/map.rs
index ebf1428..8797cbe 100644
--- a/src/map.rs
+++ b/src/map.rs
@@ -444,7 +444,7 @@ matcher_map!(
         "tar",
         matchers::archive::is_tar
     ),
-     (
+    (
         MatcherType::Archive,
         "application/x-par2",
         "par2",

From 2fcb251fad9ca5e9ab622da3bffed51c316c18a4 Mon Sep 17 00:00:00 2001
From: Romain Gallet <romain.gallet@gmail.com>
Date: Tue, 10 Dec 2024 18:19:25 +0100
Subject: [PATCH 3/4] Par2 - added support

---
 src/matchers/doc.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/matchers/doc.rs b/src/matchers/doc.rs
index 71c3a03..bd32231 100644
--- a/src/matchers/doc.rs
+++ b/src/matchers/doc.rs
@@ -131,11 +131,11 @@ fn ole2(buf: &[u8]) -> Option<DocType> {
 }
 
 fn check_msooml(buf: &[u8], offset: usize) -> Option<DocType> {
-    if compare_bytes(buf, &[b'w', b'o', b'r', b'd', b'/'], offset) {
+    if compare_bytes(buf, b"word/", offset) {
         Some(DocType::DOCX)
-    } else if compare_bytes(buf, &[b'p', b'p', b't', b'/'], offset) {
+    } else if compare_bytes(buf, b"ppt/", offset) {
         Some(DocType::PPTX)
-    } else if compare_bytes(buf, &[b'x', b'l', b'/'], offset) {
+    } else if compare_bytes(buf, b"xl/", offset) {
         Some(DocType::XLSX)
     } else {
         None

From 4b58ab65d6a7bd85a20a2465843982125ebf7966 Mon Sep 17 00:00:00 2001
From: Romain Gallet <romain.gallet@gmail.com>
Date: Tue, 10 Dec 2024 18:29:37 +0100
Subject: [PATCH 4/4] Par2 - added support

---
 testdata/sample.par2 | Bin 0 -> 24 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 testdata/sample.par2

diff --git a/testdata/sample.par2 b/testdata/sample.par2
new file mode 100644
index 0000000000000000000000000000000000000000..8dded037998bba953dad0c41a20aa0f885962da2
GIT binary patch
literal 24
acmWG=3^HN}@D5qR00A4gjN5r4R9XN(J_RWN

literal 0
HcmV?d00001