From 0c058f256a195b92f124be10109c95d1fbe93ad8 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Mon, 7 Mar 2022 17:16:54 +0100
Subject: Remove exif tags when processing images

---
 server/helpers/image-utils.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'server/helpers/image-utils.ts')

diff --git a/server/helpers/image-utils.ts b/server/helpers/image-utils.ts
index b174ae436..28d8fff4c 100644
--- a/server/helpers/image-utils.ts
+++ b/server/helpers/image-utils.ts
@@ -80,6 +80,8 @@ async function autoResize (options: {
   const sourceIsPortrait = sourceImage.getWidth() < sourceImage.getHeight()
   const destIsPortraitOrSquare = newSize.width <= newSize.height
 
+  removeExif(sourceImage)
+
   if (sourceIsPortrait && !destIsPortraitOrSquare) {
     const baseImage = sourceImage.cloneQuiet().cover(newSize.width, newSize.height)
                                               .color([ { apply: 'shade', params: [ 50 ] } ])
@@ -106,6 +108,7 @@ function skipProcessing (options: {
   const { sourceImage, newSize, imageBytes, inputExt, outputExt } = options
   const { width, height } = newSize
 
+  if (hasExif(sourceImage)) return false
   if (sourceImage.getWidth() > width || sourceImage.getHeight() > height) return false
   if (inputExt !== outputExt) return false
 
@@ -116,3 +119,11 @@ function skipProcessing (options: {
 
   return imageBytes <= 15 * kB
 }
+
+function hasExif (image: Jimp) {
+  return !!(image.bitmap as any).exifBuffer
+}
+
+function removeExif (image: Jimp) {
+  (image.bitmap as any).exifBuffer = null
+}
-- 
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