Adds exif capability, closes #2024

files/file.go

@@ -19,6 +19,8 @@ import (
 
 	"github.com/spf13/afero"
 
+	"github.com/rwcarlsen/goexif/exif"
+
 	"github.com/filebrowser/filebrowser/v2/errors"
 	"github.com/filebrowser/filebrowser/v2/rules"
 )
@@ -36,6 +38,8 @@ type FileInfo struct {
 	IsDir      bool              `json:"isDir"`
 	IsSymlink  bool              `json:"isSymlink"`
 	Type       string            `json:"type"`
+	ExifCam    string            `json:"exifcam,omitempty"`
+	ExifDate   string            `json:"exifdate,omitempty"`
 	Subtitles  []string          `json:"subtitles,omitempty"`
 	Content    string            `json:"content,omitempty"`
 	Checksums  map[string]string `json:"checksums,omitempty"`
@@ -232,6 +236,7 @@ func (i *FileInfo) detectType(modify, saveContent, readHeader bool) error {
 		return nil
 	case strings.HasPrefix(mimetype, "image"):
 		i.Type = "image"
+		i.decodeExif()
 		return nil
 	case strings.HasSuffix(mimetype, "pdf"):
 		i.Type = "pdf"
@@ -302,6 +307,50 @@ func (i *FileInfo) detectSubtitles() {
 	}
 }
 
+func (i *FileInfo) decodeExif() error {
+        if i.Type != "image" {
+                return nil
+        }
+
+	f, err := i.Fs.Open(i.Path)
+	if err != nil {
+		return err
+	}
+
+	x, err := exif.Decode(f)
+        if err != nil {
+                return err
+        }
+
+	camModel, err := x.Get(exif.Model)
+        if err != nil {
+                return err
+        }
+
+	MycamModel, err := camModel.StringVal()
+        if err != nil {
+                return err
+        }
+
+        camMake, err := x.Get(exif.Make)
+        if err != nil {
+                return err
+        }
+
+        MycamMake, err := camMake.StringVal()
+        if err != nil {
+                return err
+        }
+
+	i.ExifCam = MycamMake + " " + MycamModel
+
+	// Two convenience functions exist for date/time taken and GPS coords:
+	tm, _ := x.DateTime()
+	i.ExifDate = tm.String()
+
+	return nil
+}
+
 func (i *FileInfo) readListing(checker rules.Checker, readHeader bool) error {
 	afs := &afero.Afero{Fs: i.Fs}
 	dir, err := afs.ReadDir(i.Path)

frontend/src/components/prompts/Info.vue

@@ -19,6 +19,24 @@
       <p v-if="selected.length < 2" :title="modTime">
         <strong>{{ $t("prompts.lastModified") }}:</strong> {{ humanTime }}
       </p>
+      <p
+        v-if="
+          selected.length < 2 &&
+          (this.req.type === 'image' ||
+            this.req.items[this.selected[0]].type === 'image')
+        "
+      >
+        <strong>{{ $t("prompts.exifcam") }}:</strong> {{ exifcam }}
+      </p>
+      <p
+        v-if="
+          selected.length < 2 &&
+          (this.req.type === 'image' ||
+            this.req.items[this.selected[0]].type === 'image')
+        "
+      >
+        <strong>{{ $t("prompts.exifdate") }}:</strong> {{ exifdate }}
+      </p>
 
       <template v-if="dir && selected.length === 0">
         <p>
@@ -113,6 +131,16 @@ export default {
     modTime: function () {
       return new Date(Date.parse(this.req.modified)).toLocaleString();
     },
+    exifcam: function () {
+      return this.selectedCount === 0
+        ? this.req.exifcam
+        : this.req.items[this.selected[0]].exifcam;
+    },
+    exifdate: function () {
+      return this.selectedCount === 0
+        ? this.req.exifdate
+        : this.req.items[this.selected[0]].exifdate;
+    },
     name: function () {
       return this.selectedCount === 0
         ? this.req.name

frontend/src/i18n/de.json

@@ -132,6 +132,8 @@
     "download": "Lade Dateien",
     "downloadMessage": "Wählen Sie ein Format zum Herunterladen aus.",
     "error": "Etwas ist schief gelaufen",
+    "exifcam": "Kamera (Exif)",
+    "exifdate": "Datum (Exif)",
     "fileInfo": "Dateiinformation",
     "filesSelected": "{count} Dateien ausgewählt.",
     "lastModified": "Zuletzt geändert",

frontend/src/i18n/en.json

@@ -133,6 +133,8 @@
     "download": "Download files",
     "downloadMessage": "Choose the format you want to download.",
     "error": "Something went wrong",
+    "exifcam": "Camera (Exif)",
+    "exifdate": "Date taken (Exif)",
     "fileInfo": "File information",
     "filesSelected": "{count} files selected.",
     "lastModified": "Last Modified",

frontend/src/i18n/fr.json

@@ -132,6 +132,8 @@
     "download": "Télécharger",
     "downloadMessage": "Choisissez le format de téléchargement :",
     "error": "Quelque chose s'est mal passé",
+    "exifcam": "Caméra (Exif)",
+    "exifdate": "Date (Exif)",
     "fileInfo": "Informations",
     "filesSelected": "{count} éléments sélectionnés",
     "lastModified": "Dernière modification",

go.mod

@@ -51,6 +51,7 @@ require (
 	github.com/pierrec/lz4/v4 v4.1.2 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
+	github.com/rwcarlsen/goexif v0.0.0-20190401172101-9e8deecbddbd // indirect
 	github.com/spf13/cast v1.5.0 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/subosito/gotenv v1.4.2 // indirect

go.sum

@@ -217,6 +217,8 @@ github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.6.1 h1:/FiVV8dS/e+YqF2JvO3yXRFbBLTIuSDkuC7aBOAvL+k=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/rwcarlsen/goexif v0.0.0-20190401172101-9e8deecbddbd h1:CmH9+J6ZSsIjUK3dcGsnCnO41eRBOnY12zwkn5qVwgc=
+github.com/rwcarlsen/goexif v0.0.0-20190401172101-9e8deecbddbd/go.mod h1:hPqNNc0+uJM6H+SuU8sEs5K5IQeKccPqeSjfgcKGgPk=
 github.com/shirou/gopsutil/v3 v3.23.1 h1:a9KKO+kGLKEvcPIs4W62v0nu3sciVDOOOPUD0Hz7z/4=
 github.com/shirou/gopsutil/v3 v3.23.1/go.mod h1:NN6mnm5/0k8jw4cBfCnJtr5L7ErOTg18tMNpgFkn0hA=
 github.com/spf13/afero v1.9.3 h1:41FoI0fD7OR7mGcKE/aOiLkGreyf8ifIOQmJANWogMk=