Use imagetype and config in imagemeta

imagedata/read.go

@@ -8,7 +8,6 @@ import (
 	"github.com/imgproxy/imgproxy/v2/config"
 	"github.com/imgproxy/imgproxy/v2/ierrors"
 	"github.com/imgproxy/imgproxy/v2/imagemeta"
-	"github.com/imgproxy/imgproxy/v2/imagetype"
 	"github.com/imgproxy/imgproxy/v2/security"
 )
 
@@ -21,8 +20,6 @@ var downloadBufPool *bufpool.Pool
 
 func initRead() {
 	downloadBufPool = bufpool.New("download", config.Concurrency, config.DownloadBufferSize)
-
-	imagemeta.SetMaxSvgCheckRead(config.MaxSvgCheckBytes)
 }
 
 type hardLimitReader struct {
@@ -64,11 +61,6 @@ func readAndCheckImage(r io.Reader, contentLength int) (*ImageData, error) {
 		return nil, ierrors.Wrap(err, 0)
 	}
 
-	imgtype, imgtypeOk := imagetype.Types[meta.Format()]
-	if !imgtypeOk {
-		return nil, ErrSourceImageTypeNotSupported
-	}
-
 	if err = security.CheckDimensions(meta.Width(), meta.Height()); err != nil {
 		return nil, err
 	}
@@ -80,7 +72,7 @@ func readAndCheckImage(r io.Reader, contentLength int) (*ImageData, error) {
 
 	return &ImageData{
 		Data:   buf.Bytes(),
-		Type:   imgtype,
+		Type:   meta.Format(),
 		cancel: cancel,
 	}, nil
 }

imagemeta/bmp.go

@@ -4,6 +4,8 @@ import (
 	"bytes"
 	"encoding/binary"
 	"io"
+
+	"github.com/imgproxy/imgproxy/v2/imagetype"
 )
 
 var bmpMagick = []byte("BM")
@@ -37,7 +39,7 @@ func DecodeBmpMeta(r io.Reader) (Meta, error) {
 	}
 
 	return &meta{
-		format: "bmp",
+		format: imagetype.BMP,
 		width:  width,
 		height: height,
 	}, nil

imagemeta/gif.go

@@ -2,6 +2,8 @@ package imagemeta
 
 import (
 	"io"
+
+	"github.com/imgproxy/imgproxy/v2/imagetype"
 )
 
 func DecodeGifMeta(r io.Reader) (Meta, error) {
@@ -13,7 +15,7 @@ func DecodeGifMeta(r io.Reader) (Meta, error) {
 	}
 
 	return &meta{
-		format: "gif",
+		format: imagetype.GIF,
 		width:  int(tmp[6]) + int(tmp[7])<<8,
 		height: int(tmp[8]) + int(tmp[9])<<8,
 	}, nil

imagemeta/heif.go

@@ -7,6 +7,8 @@ import (
 	"fmt"
 	"io"
 	"io/ioutil"
+
+	"github.com/imgproxy/imgproxy/v2/imagetype"
 )
 
 const heifBoxHeaderSize = int64(8)
@@ -20,12 +22,12 @@ type heifDiscarder interface {
 }
 
 type heifData struct {
-	Format        string
+	Format        imagetype.Type
 	Width, Height int64
 }
 
 func (d *heifData) IsFilled() bool {
-	return len(d.Format) > 0 && d.Width > 0 && d.Height > 0
+	return d.Format != imagetype.Unknown && d.Width > 0 && d.Height > 0
 }
 
 func heifReadN(r io.Reader, n int64) (b []byte, err error) {
@@ -73,12 +75,12 @@ func heifReadBoxHeader(r io.Reader) (boxType string, boxDataSize int64, err erro
 
 func heifAssignFormat(d *heifData, brand []byte) bool {
 	if bytes.Equal(brand, heicBrand) {
-		d.Format = "heic"
+		d.Format = imagetype.HEIC
 		return true
 	}
 
 	if bytes.Equal(brand, avifBrand) {
-		d.Format = "avif"
+		d.Format = imagetype.AVIF
 		return true
 	}
 

imagemeta/ico.go

@@ -4,6 +4,8 @@ import (
 	"bytes"
 	"encoding/binary"
 	"io"
+
+	"github.com/imgproxy/imgproxy/v2/imagetype"
 )
 
 type IcoMeta struct {
@@ -69,7 +71,7 @@ func DecodeIcoMeta(r io.Reader) (*IcoMeta, error) {
 
 	return &IcoMeta{
 		Meta: &meta{
-			format: "ico",
+			format: imagetype.ICO,
 			width:  width,
 			height: height,
 		},

imagemeta/image_meta.go

@@ -6,10 +6,12 @@ import (
 	"io"
 	"sync"
 	"sync/atomic"
+
+	"github.com/imgproxy/imgproxy/v2/imagetype"
 )
 
 type Meta interface {
-	Format() string
+	Format() imagetype.Type
 	Width() int
 	Height() int
 }
@@ -17,11 +19,11 @@ type Meta interface {
 type DecodeMetaFunc func(io.Reader) (Meta, error)
 
 type meta struct {
-	format        string
+	format        imagetype.Type
 	width, height int
 }
 
-func (m *meta) Format() string {
+func (m *meta) Format() imagetype.Type {
 	return m.format
 }
 
@@ -91,7 +93,7 @@ func DecodeMeta(r io.Reader) (Meta, error) {
 	if ok, err := IsSVG(rr); err != nil {
 		return nil, err
 	} else if ok {
-		return &meta{format: "svg", width: 1, height: 1}, nil
+		return &meta{format: imagetype.SVG, width: 1, height: 1}, nil
 	}
 
 	return nil, ErrFormat

imagemeta/jpeg.go

@@ -3,6 +3,8 @@ package imagemeta
 import (
 	"bufio"
 	"io"
+
+	"github.com/imgproxy/imgproxy/v2/imagetype"
 )
 
 const (
@@ -101,7 +103,7 @@ func DecodeJpegMeta(rr io.Reader) (Meta, error) {
 			}
 
 			return &meta{
-				format: "jpeg",
+				format: imagetype.JPEG,
 				width:  int(tmp[3])<<8 + int(tmp[4]),
 				height: int(tmp[1])<<8 + int(tmp[2]),
 			}, nil

imagemeta/png.go

@@ -4,6 +4,8 @@ import (
 	"bytes"
 	"encoding/binary"
 	"io"
+
+	"github.com/imgproxy/imgproxy/v2/imagetype"
 )
 
 var pngMagick = []byte("\x89PNG\r\n\x1a\n")
@@ -28,7 +30,7 @@ func DecodePngMeta(r io.Reader) (Meta, error) {
 	}
 
 	return &meta{
-		format: "png",
+		format: imagetype.PNG,
 		width:  int(binary.BigEndian.Uint32(tmp[8:12])),
 		height: int(binary.BigEndian.Uint32(tmp[12:16])),
 	}, nil

imagemeta/svg.go

@@ -6,13 +6,11 @@ import (
 	"fmt"
 	"io"
 	"strings"
-	"sync/atomic"
 
+	"github.com/imgproxy/imgproxy/v2/config"
 	"golang.org/x/text/encoding/charmap"
 )
 
-var maxSvgBytes int64 = 32 * 1024
-
 type svgHeader struct {
 	XMLName xml.Name
 }
@@ -24,12 +22,8 @@ func xmlCharsetReader(charset string, input io.Reader) (io.Reader, error) {
 	return nil, fmt.Errorf("Unknown SVG charset: %s", charset)
 }
 
-func SetMaxSvgCheckRead(n int) {
-	atomic.StoreInt64(&maxSvgBytes, int64(n))
-}
-
 func IsSVG(r io.Reader) (bool, error) {
-	maxBytes := int(atomic.LoadInt64(&maxSvgBytes))
+	maxBytes := config.MaxSvgCheckBytes
 
 	var h svgHeader
 

imagemeta/tiff.go

@@ -5,6 +5,8 @@ import (
 	"bytes"
 	"encoding/binary"
 	"io"
+
+	"github.com/imgproxy/imgproxy/v2/imagetype"
 )
 
 var (
@@ -105,7 +107,7 @@ func DecodeTiffMeta(rr io.Reader) (Meta, error) {
 
 		if width > 0 && height > 0 {
 			return &meta{
-				format: "tiff",
+				format: imagetype.TIFF,
 				width:  width,
 				height: height,
 			}, nil

imagemeta/webp.go

@@ -10,6 +10,7 @@ import (
 	"errors"
 	"io"
 
+	"github.com/imgproxy/imgproxy/v2/imagetype"
 	"golang.org/x/image/riff"
 	"golang.org/x/image/vp8"
 	"golang.org/x/image/vp8l"
@@ -59,7 +60,7 @@ func DecodeWebpMeta(r io.Reader) (Meta, error) {
 			fh, err := d.DecodeFrameHeader()
 
 			return &meta{
-				format: "webp",
+				format: imagetype.WEBP,
 				width:  fh.Width,
 				height: fh.Height,
 			}, err
@@ -71,7 +72,7 @@ func DecodeWebpMeta(r io.Reader) (Meta, error) {
 			}
 
 			return &meta{
-				format: "webp",
+				format: imagetype.WEBP,
 				width:  conf.Width,
 				height: conf.Height,
 			}, nil
@@ -89,7 +90,7 @@ func DecodeWebpMeta(r io.Reader) (Meta, error) {
 			heightMinusOne := uint32(buf[7]) | uint32(buf[8])<<8 | uint32(buf[9])<<16
 
 			return &meta{
-				format: "webp",
+				format: imagetype.WEBP,
 				width:  int(widthMinusOne) + 1,
 				height: int(heightMinusOne) + 1,
 			}, nil

processing_handler_test.go

@@ -90,7 +90,7 @@ func (s *ProcessingHandlerTestSuite) TestRequest() {
 	meta, err := imagemeta.DecodeMeta(res.Body)
 
 	assert.Nil(s.T(), err)
-	assert.Equal(s.T(), "png", meta.Format())
+	assert.Equal(s.T(), imagetype.PNG, meta.Format())
 	assert.Equal(s.T(), 4, meta.Width())
 	assert.Equal(s.T(), 4, meta.Height())
 }

vips/ico.go

@@ -27,24 +27,23 @@ func (img *Image) loadIco(data []byte, shrink int, scale float64, pages int) err
 
 	internalData := data[offset : offset+size]
 
-	var format string
+	var internalType imagetype.Type
 
 	meta, err := imagemeta.DecodeMeta(bytes.NewReader(internalData))
 	if err != nil {
 		// Looks like it's BMP with an incomplete header
 		if d, err := imagemeta.FixBmpHeader(internalData); err == nil {
-			format = "bmp"
+			internalType = imagetype.BMP
 			internalData = d
 		} else {
 			return err
 		}
 	} else {
-		format = meta.Format()
+		internalType = meta.Format()
 	}
 
-	internalType, ok := imagetype.Types[format]
-	if !ok || internalType == imagetype.ICO || !SupportsLoad(internalType) {
-		return fmt.Errorf("Can't load %s from ICO", meta.Format())
+	if internalType == imagetype.ICO || !SupportsLoad(internalType) {
+		return fmt.Errorf("Can't load %s from ICO", internalType)
 	}
 
 	imgdata := imagedata.ImageData{