pulls in the latest exif-terminator version with bugfix and performance optimizations (#3583)

5 files changed, 60 insertions, 52 deletions

diff --git a/go.mod b/go.mod
index 6f1ec2b26..19fecf914 100644
--- a/go.mod
+++ b/go.mod
@@ -41,7 +41,7 @@ require (
 	codeberg.org/gruf/go-sched v1.2.4
 	codeberg.org/gruf/go-storage v0.2.0
 	codeberg.org/gruf/go-structr v0.8.11
-	codeberg.org/superseriousbusiness/exif-terminator v0.9.0
+	codeberg.org/superseriousbusiness/exif-terminator v0.9.1
 	github.com/DmitriyVTitov/size v1.5.0
 	github.com/KimMachineGun/automemlimit v0.6.1
 	github.com/buckket/go-blurhash v1.1.0
diff --git a/go.sum b/go.sum
index d190203a1..34fe33d84 100644
--- a/go.sum
+++ b/go.sum
@@ -72,8 +72,8 @@ codeberg.org/gruf/go-storage v0.2.0 h1:mKj3Lx6AavEkuXXtxqPhdq+akW9YwrnP16yQBF7K5
 codeberg.org/gruf/go-storage v0.2.0/go.mod h1:o3GzMDE5QNUaRnm/daUzFqvuAaC4utlgXDXYO79sWKU=
 codeberg.org/gruf/go-structr v0.8.11 h1:I3cQCHpK3fQSXWaaUfksAJRN4+efULiuF11Oi/m8c+o=
 codeberg.org/gruf/go-structr v0.8.11/go.mod h1:zkoXVrAnKosh8VFAsbP/Hhs8FmLBjbVVy5w/Ngm8ApM=
-codeberg.org/superseriousbusiness/exif-terminator v0.9.0 h1:/EfyGI6HIrbkhFwgXGSjZ9o1kr/+k8v4mKdfXTH02Go=
-codeberg.org/superseriousbusiness/exif-terminator v0.9.0/go.mod h1:gCWKduudUWFzsnixoMzu0FYVdxHWG+AbXnZ50DqxsUE=
+codeberg.org/superseriousbusiness/exif-terminator v0.9.1 h1:8Pss29AVuvljHAYLnZUyoqJp/8IN1cD3Jz30bJbxme8=
+codeberg.org/superseriousbusiness/exif-terminator v0.9.1/go.mod h1:gCWKduudUWFzsnixoMzu0FYVdxHWG+AbXnZ50DqxsUE=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
diff --git a/vendor/codeberg.org/superseriousbusiness/exif-terminator/jpeg.go b/vendor/codeberg.org/superseriousbusiness/exif-terminator/jpeg.go
index 3c8b7035f..01ca313ca 100644
--- a/vendor/codeberg.org/superseriousbusiness/exif-terminator/jpeg.go
+++ b/vendor/codeberg.org/superseriousbusiness/exif-terminator/jpeg.go
@@ -109,17 +109,17 @@ func (v *jpegVisitor) writeSegment(s *jpegstructure.Segment) error {
 
 		sizeLen, found := markerLen[s.MarkerId]
 		if !found || sizeLen == 2 {
-			sizeLen = 2
-			l := uint16(len(s.Data) + sizeLen)
-
-			if err := binary.Write(w, binary.BigEndian, &l); err != nil {
+			l := uint16(len(s.Data) + 2)
+			b := make([]byte, 2)
+			binary.BigEndian.PutUint16(b, l)
+			if _, err := w.Write(b); err != nil {
 				return err
 			}
-
 		} else if sizeLen == 4 {
-			l := uint32(len(s.Data) + sizeLen)
-
-			if err := binary.Write(w, binary.BigEndian, &l); err != nil {
+			l := uint32(len(s.Data) + 4)
+			b := make([]byte, 4)
+			binary.BigEndian.PutUint32(b, l)
+			if _, err := w.Write(b); err != nil {
 				return err
 			}
 		} else if sizeLen != 0 {
diff --git a/vendor/codeberg.org/superseriousbusiness/exif-terminator/webp.go b/vendor/codeberg.org/superseriousbusiness/exif-terminator/webp.go
index 392c4871d..b050f38fc 100644
--- a/vendor/codeberg.org/superseriousbusiness/exif-terminator/webp.go
+++ b/vendor/codeberg.org/superseriousbusiness/exif-terminator/webp.go
@@ -25,17 +25,16 @@ import (
 )
 
 const (
-	riffHeaderSize = 4 * 3
+	riffHeader = "RIFF"
+	webpHeader = "WEBP"
+	exifFourcc = "EXIF"
+	xmpFourcc  = "XMP "
 )
 
 var (
-	riffHeader = [4]byte{'R', 'I', 'F', 'F'}
-	webpHeader = [4]byte{'W', 'E', 'B', 'P'}
-	exifFourcc = [4]byte{'E', 'X', 'I', 'F'}
-	xmpFourcc  = [4]byte{'X', 'M', 'P', ' '}
-
 	errNoRiffHeader = errors.New("no RIFF header")
 	errNoWebpHeader = errors.New("not a WEBP file")
+	errInvalidChunk = errors.New("invalid chunk")
 )
 
 type webpVisitor struct {
@@ -43,59 +42,68 @@ type webpVisitor struct {
 	doneHeader bool
 }
 
-func fourCC(b []byte) [4]byte {
-	return [4]byte{b[0], b[1], b[2], b[3]}
-}
-
 func (v *webpVisitor) split(data []byte, atEOF bool) (advance int, token []byte, err error) {
 	// parse/write the header first
 	if !v.doneHeader {
-		if len(data) < riffHeaderSize {
-			// need the full header
+
+		// const rifHeaderSize = 12
+		if len(data) < 12 {
+			if atEOF {
+				err = errNoRiffHeader
+			}
 			return
 		}
-		if fourCC(data) != riffHeader {
+
+		if string(data[:4]) != riffHeader {
 			err = errNoRiffHeader
 			return
 		}
-		if fourCC(data[8:]) != webpHeader {
+
+		if string(data[8:12]) != webpHeader {
 			err = errNoWebpHeader
 			return
 		}
-		if _, err = v.writer.Write(data[:riffHeaderSize]); err != nil {
+
+		if _, err = v.writer.Write(data[:12]); err != nil {
 			return
 		}
-		advance += riffHeaderSize
-		data = data[riffHeaderSize:]
+
+		advance += 12
+		data = data[12:]
 		v.doneHeader = true
 	}
 
-	// need enough for fourcc and size
-	if len(data) < 8 {
-		return
-	}
-	size := int64(binary.LittleEndian.Uint32(data[4:]))
-	if (size & 1) != 0 {
-		// odd chunk size - extra padding byte
-		size++
-	}
-	// wait until there is enough
-	if int64(len(data)-8) < size {
-		return
-	}
+	for {
+		// need enough for
+		// fourcc and size
+		if len(data) < 8 {
+			return
+		}
+
+		size := int64(binary.LittleEndian.Uint32(data[4:]))
+
+		if (size & 1) != 0 {
+			// odd chunk size:
+			// extra padding byte
+			size++
+		}
+
+		// wait until there is enough
+		if int64(len(data)) < 8+size {
+			return
+		}
 
-	fourcc := fourCC(data)
-	rawChunkData := data[8 : 8+size]
-	if fourcc == exifFourcc || fourcc == xmpFourcc {
 		// replace exif/xmp with blank
-		rawChunkData = make([]byte, size)
-	}
+		switch string(data[:4]) {
+		case exifFourcc, xmpFourcc:
+			clear(data[8 : 8+size])
+		}
 
-	if _, err = v.writer.Write(data[:8]); err == nil {
-		if _, err = v.writer.Write(rawChunkData); err == nil {
-			advance += 8 + int(size)
+		if _, err = v.writer.Write(data[:8+size]); err != nil {
+			return
 		}
-	}
 
-	return
+		advance += 8 + int(size)
+		data = data[8+size:]
+	}
 }
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 07598062b..4c57a75de 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -66,7 +66,7 @@ codeberg.org/gruf/go-storage/s3
 # codeberg.org/gruf/go-structr v0.8.11
 ## explicit; go 1.21
 codeberg.org/gruf/go-structr
-# codeberg.org/superseriousbusiness/exif-terminator v0.9.0
+# codeberg.org/superseriousbusiness/exif-terminator v0.9.1
 ## explicit; go 1.21
 codeberg.org/superseriousbusiness/exif-terminator
 # github.com/DmitriyVTitov/size v1.5.0