docs/docs/administration/CLI_tasks/instance.md

@@ -37,7 +37,7 @@ If any of the options are left unspecified, you will be prompted interactively.
 - `--static-dir <path>` - the directory custom public files should be read from (custom emojis, frontend bundle overrides, robots.txt, etc.)
 - `--listen-ip <ip>` - the ip the app should listen to, defaults to 127.0.0.1
 - `--listen-port <port>` - the port the app should listen to, defaults to 4000
-- `--strip-uploads-metadata <Y|N>` - use ExifTool to strip uploads of sensitive metadata
+- `--strip-uploads-metadata <Y|N>` - use ExifTool to strip uploads of metadata when possible
 - `--read-uploads-description <Y|N>` - use ExifTool to read image descriptions from uploads
 - `--anonymize-uploads <Y|N>` - randomize uploaded filenames
 - `--dedupe-uploads <Y|N>` - store files based on their hash to reduce data storage requirements if duplicates are uploaded with different filenames

docs/docs/configuration/cheatsheet.md

@@ -656,7 +656,7 @@ This filter replaces the declared filename (not the path) of an upload.
 
 #### Pleroma.Upload.Filter.Exiftool.StripMetadata
 
-This filter only strips the GPS and location metadata with Exiftool leaving color profiles and attributes intact.
+This filter strips metadata with Exiftool leaving color profiles and orientation intact.
 
 No specific configuration.
 

lib/mix/tasks/pleroma/instance.ex

@@ -172,10 +172,10 @@ defmodule Mix.Tasks.Pleroma.Instance do
 
       {strip_uploads_metadata_message, strip_uploads_metadata_default} =
         if Pleroma.Utils.command_available?("exiftool") do
-          {"Do you want to strip location (GPS) data from uploaded images? This requires exiftool, it was detected as installed. (y/n)",
+          {"Do you want to strip metadata from uploaded images? This requires exiftool, it was detected as installed. (y/n)",
            "y"}
         else
-          {"Do you want to strip location (GPS) data from uploaded images? This requires exiftool, it was detected as not installed, please install it if you answer yes. (y/n)",
+          {"Do you want to strip metadata from uploaded images? This requires exiftool, it was detected as not installed, please install it if you answer yes. (y/n)",
            "n"}
         end
 

lib/pleroma/upload/filter/exiftool/strip_metadata.ex

@@ -4,7 +4,7 @@
 
 defmodule Pleroma.Upload.Filter.Exiftool.StripMetadata do
   @moduledoc """
-  Strips GPS related EXIF tags and overwrites the file in place.
+  Tries to strip all image metadata but colorspace and orientation overwriting the file in place.
   Also strips or replaces filesystem metadata e.g., timestamps.
   """
   @behaviour Pleroma.Upload.Filter
@@ -19,7 +19,17 @@ defmodule Pleroma.Upload.Filter.Exiftool.StripMetadata do
     try do
       case System.cmd(
              "exiftool",
-             ["-ignoreMinorErrors", "-overwrite_original", "-gps:all=", file],
+             [
+               "-ignoreMinorErrors",
+               "-overwrite_original",
+               "-all=",
+               "-CommonIFD0=",
+               "-TagsFromFile",
+               "@",
+               "-ColorSpaceTags",
+               "-Orientation",
+               file
+             ],
              parallelism: true
            ) do
         {_response, 0} -> {:ok, :filtered}