[chore] add back exif-terminator and use only for jpeg,png,webp (#3161)

* add back exif-terminator and use only for jpeg,png,webp

* fix arguments passed to terminateExif()

* pull in latest exif-terminator

* fix test

* update processed img

---------

Co-authored-by: tobi <tobi.smethurst@protonmail.com>

vendor/github.com/dsoprea/go-photoshop-info-format/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Dustin Oprea
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vendor/github.com/dsoprea/go-photoshop-info-format/README.md

@@ -0,0 +1,3 @@
+# Overview
+
+This is a minimal Photoshop format implementation to allow IPTC data to be extracted from a JPEG image. This project primarily services [go-jpeg-image-structure](https://github.com/dsoprea/go-jpeg-image-structure).

vendor/github.com/dsoprea/go-photoshop-info-format/info.go

@@ -0,0 +1,119 @@
+package photoshopinfo
+
+import (
+	"fmt"
+	"io"
+
+	"encoding/binary"
+
+	"github.com/dsoprea/go-logging"
+)
+
+var (
+	defaultByteOrder = binary.BigEndian
+)
+
+// Photoshop30InfoRecord is the data for one parsed Photoshop-info record.
+type Photoshop30InfoRecord struct {
+	// RecordType is the record-type.
+	RecordType string
+
+	// ImageResourceId is the image resource-ID.
+	ImageResourceId uint16
+
+	// Name is the name of the record. It is optional and will be an empty-
+	// string if not present.
+	Name string
+
+	// Data is the raw record data.
+	Data []byte
+}
+
+// String returns a descriptive string.
+func (pir Photoshop30InfoRecord) String() string {
+	return fmt.Sprintf("RECORD-TYPE=[%s] IMAGE-RESOURCE-ID=[0x%04x] NAME=[%s] DATA-SIZE=(%d)", pir.RecordType, pir.ImageResourceId, pir.Name, len(pir.Data))
+}
+
+// ReadPhotoshop30InfoRecord parses a single photoshop-info record.
+func ReadPhotoshop30InfoRecord(r io.Reader) (pir Photoshop30InfoRecord, err error) {
+	defer func() {
+		if state := recover(); state != nil {
+			err = log.Wrap(state.(error))
+		}
+	}()
+
+	recordType := make([]byte, 4)
+	_, err = io.ReadFull(r, recordType)
+	if err != nil {
+		if err == io.EOF {
+			return pir, err
+		}
+
+		log.Panic(err)
+	}
+
+	// TODO(dustin): Move BigEndian to constant/config.
+
+	irId := uint16(0)
+	err = binary.Read(r, defaultByteOrder, &irId)
+	log.PanicIf(err)
+
+	nameSize := uint8(0)
+	err = binary.Read(r, defaultByteOrder, &nameSize)
+	log.PanicIf(err)
+
+	// Add an extra byte if the two length+data size is odd to make the total
+	// bytes read even.
+	doAddPadding := (1+nameSize)%2 == 1
+	if doAddPadding == true {
+		nameSize++
+	}
+
+	name := make([]byte, nameSize)
+	_, err = io.ReadFull(r, name)
+	log.PanicIf(err)
+
+	// If the last byte is padding, truncate it.
+	if doAddPadding == true {
+		name = name[:nameSize-1]
+	}
+
+	dataSize := uint32(0)
+	err = binary.Read(r, defaultByteOrder, &dataSize)
+	log.PanicIf(err)
+
+	data := make([]byte, dataSize+dataSize%2)
+	_, err = io.ReadFull(r, data)
+	log.PanicIf(err)
+
+	data = data[:dataSize]
+
+	pir = Photoshop30InfoRecord{
+		RecordType:      string(recordType),
+		ImageResourceId: irId,
+		Name:            string(name),
+		Data:            data,
+	}
+
+	return pir, nil
+}
+
+// ReadPhotoshop30Info parses a sequence of photoship-info records from the stream.
+func ReadPhotoshop30Info(r io.Reader) (pirIndex map[uint16]Photoshop30InfoRecord, err error) {
+	pirIndex = make(map[uint16]Photoshop30InfoRecord)
+
+	for {
+		pir, err := ReadPhotoshop30InfoRecord(r)
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+
+			log.Panic(err)
+		}
+
+		pirIndex[pir.ImageResourceId] = pir
+	}
+
+	return pirIndex, nil
+}

vendor/github.com/dsoprea/go-photoshop-info-format/testing_common.go

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+package photoshopinfo
+
+import (
+	"os"
+	"path"
+
+	"github.com/dsoprea/go-logging"
+)
+
+var (
+	testDataRelFilepath = "photoshop.data"
+)
+
+var (
+	moduleRootPath = ""
+	assetsPath     = ""
+)
+
+func GetModuleRootPath() string {
+	if moduleRootPath == "" {
+		moduleRootPath = os.Getenv("PHOTOSHOPINFO_MODULE_ROOT_PATH")
+		if moduleRootPath != "" {
+			return moduleRootPath
+		}
+
+		currentWd, err := os.Getwd()
+		log.PanicIf(err)
+
+		currentPath := currentWd
+		visited := make([]string, 0)
+
+		for {
+			tryStampFilepath := path.Join(currentPath, ".MODULE_ROOT")
+
+			_, err := os.Stat(tryStampFilepath)
+			if err != nil && os.IsNotExist(err) != true {
+				log.Panic(err)
+			} else if err == nil {
+				break
+			}
+
+			visited = append(visited, tryStampFilepath)
+
+			currentPath = path.Dir(currentPath)
+			if currentPath == "/" {
+				log.Panicf("could not find module-root: %v", visited)
+			}
+		}
+
+		moduleRootPath = currentPath
+	}
+
+	return moduleRootPath
+}
+
+func GetTestAssetsPath() string {
+	if assetsPath == "" {
+		moduleRootPath := GetModuleRootPath()
+		assetsPath = path.Join(moduleRootPath, "assets")
+	}
+
+	return assetsPath
+}
+
+func GetTestDataFilepath() string {
+	assetsPath := GetTestAssetsPath()
+	filepath := path.Join(assetsPath, testDataRelFilepath)
+
+	return filepath
+}