Merge branch 'vips' into 'develop'

Replace ImageMagick with Vips

See merge request pleroma/pleroma!3771

Dockerfile

@@ -9,7 +9,7 @@ COPY . .
 
 ENV MIX_ENV=prod
 
-RUN apk add git gcc g++ musl-dev make cmake file-dev &&\
+RUN apk add git gcc g++ musl-dev make cmake file-dev rust &&\
 	echo "import Config" > config/prod.secret.exs &&\
 	mix local.hex --force &&\
 	mix local.rebar --force &&\
@@ -37,7 +37,7 @@ ARG HOME=/opt/pleroma
 ARG DATA=/var/lib/pleroma
 
 RUN apk update &&\
-	apk add exiftool ffmpeg imagemagick libmagic ncurses postgresql-client &&\
+	apk add exiftool ffmpeg vips libmagic ncurses postgresql-client &&\
 	adduser --system --shell /bin/false --home ${HOME} pleroma &&\
 	mkdir -p ${DATA}/uploads &&\
 	mkdir -p ${DATA}/static &&\

changelog.d/blurhash.change

@@ -0,0 +1 @@
+Replace eblurhash with a rinpatch_blurhash. This also removes a dependency on ImageMagick.

changelog.d/vips.change

@@ -0,0 +1 @@
+Change mediaproxy previews to use vips to generate thumbnails instead of ImageMagick

docs/installation/alpine_linux_en.md

@@ -28,7 +28,7 @@ sudo apk upgrade
 * Install some tools, which are needed later:
 
 ```shell
-sudo apk add git build-base cmake file-dev
+sudo apk add git build-base cmake file-dev rust
 ```
 
 ### Install Elixir and Erlang

docs/installation/arch_linux_en.md

@@ -14,6 +14,7 @@ This guide will assume that you have administrative rights, either as root or a
 * `base-devel`
 * `cmake`
 * `file`
+* `rust`
 
 #### Optional packages used in this guide
 

docs/installation/debian_based_en.md

@@ -20,7 +20,7 @@ sudo apt full-upgrade
 * Install some of the above mentioned programs:
 
 ```shell
-sudo apt install git build-essential postgresql postgresql-contrib cmake libmagic-dev
+sudo apt install git build-essential postgresql postgresql-contrib cmake libmagic-dev rust
 ```
 
 ### Install Elixir and Erlang

docs/installation/debian_based_jp.md

@@ -21,6 +21,7 @@ Note: This article is potentially outdated because at this time we may not have
 - `build-essential`
 - `cmake`
 - `libmagic-dev`
+- `rust`
 
 #### このガイドで利用している追加パッケージ
 

docs/installation/freebsd_en.md

@@ -9,7 +9,7 @@ This document was written for FreeBSD 12.1, but should be work on future release
 This assumes the target system has `pkg(8)`.
 
 ```
-# pkg install elixir postgresql12-server postgresql12-client postgresql12-contrib git-lite sudo nginx gmake acme.sh cmake
+# pkg install elixir postgresql12-server postgresql12-client postgresql12-contrib git-lite sudo nginx gmake acme.sh cmake rust vips
 ```
 
 Copy the rc.d scripts to the right directory:
@@ -41,6 +41,7 @@ Create a user for Pleroma:
 ```
 # pw add user pleroma -m
 # echo 'export LC_ALL="en_US.UTF-8"' >> /home/pleroma/.profile
+# echo 'export VIX_COMPILATION_MODE=PLATFORM_PROVIDED_LIBVIPS' >> /home/pleroma/.profile
 # su -l pleroma
 ```
 

lib/pleroma/helpers/media_helper.ex

@@ -8,11 +8,12 @@ defmodule Pleroma.Helpers.MediaHelper do
   """
 
   alias Pleroma.HTTP
+  alias Vix.Vips.Operation
 
   require Logger
 
   def missing_dependencies do
-    Enum.reduce([imagemagick: "convert", ffmpeg: "ffmpeg"], [], fn {sym, executable}, acc ->
+    Enum.reduce([ffmpeg: "ffmpeg"], [], fn {sym, executable}, acc ->
       if Pleroma.Utils.command_available?(executable) do
         acc
       else
@@ -22,54 +23,22 @@ def missing_dependencies do
   end
 
   def image_resize(url, options) do
-    with executable when is_binary(executable) <- System.find_executable("convert"),
+    with {:ok, env} <- HTTP.get(url, [], pool: :media),
-         {:ok, args} <- prepare_image_resize_args(options),
+         {:ok, resized} <-
-         {:ok, env} <- HTTP.get(url, [], pool: :media),
+           Operation.thumbnail_buffer(env.body, options.max_width,
-         {:ok, fifo_path} <- mkfifo() do
+             height: options.max_height,
-      args = List.flatten([fifo_path, args])
+             size: :VIPS_SIZE_DOWN
-      run_fifo(fifo_path, env, executable, args)
+           ) do
+      if options[:format] == "png" do
+        Operation.pngsave_buffer(resized, Q: options[:quality])
+      else
+        Operation.jpegsave_buffer(resized, Q: options[:quality], interlace: true)
+      end
     else
-      nil -> {:error, {:convert, :command_not_found}}
       {:error, _} = error -> error
     end
   end
 
-  defp prepare_image_resize_args(
-         %{max_width: max_width, max_height: max_height, format: "png"} = options
-       ) do
-    quality = options[:quality] || 85
-    resize = Enum.join([max_width, "x", max_height, ">"])
-
-    args = [
-      "-resize",
-      resize,
-      "-quality",
-      to_string(quality),
-      "png:-"
-    ]
-
-    {:ok, args}
-  end
-
-  defp prepare_image_resize_args(%{max_width: max_width, max_height: max_height} = options) do
-    quality = options[:quality] || 85
-    resize = Enum.join([max_width, "x", max_height, ">"])
-
-    args = [
-      "-interlace",
-      "Plane",
-      "-resize",
-      resize,
-      "-quality",
-      to_string(quality),
-      "jpg:-"
-    ]
-
-    {:ok, args}
-  end
-
-  defp prepare_image_resize_args(_), do: {:error, :missing_options}
-
   # Note: video thumbnail is intentionally not resized (always has original dimensions)
   def video_framegrab(url) do
     with executable when is_binary(executable) <- System.find_executable("ffmpeg"),

lib/pleroma/upload/filter/analyze_metadata.ex

@@ -8,22 +8,23 @@ defmodule Pleroma.Upload.Filter.AnalyzeMetadata do
   """
   require Logger
 
+  alias Vix.Vips.Image
+  alias Vix.Vips.Operation
+
   @behaviour Pleroma.Upload.Filter
 
   @spec filter(Pleroma.Upload.t()) ::
           {:ok, :filtered, Pleroma.Upload.t()} | {:ok, :noop} | {:error, String.t()}
   def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _} = upload) do
     try do
-      image =
+      {:ok, image} = Image.new_from_file(file)
-        file
+      {width, height} = {Image.width(image), Image.height(image)}
-        |> Mogrify.open()
-        |> Mogrify.verbose()
 
       upload =
         upload
-        |> Map.put(:width, image.width)
+        |> Map.put(:width, width)
-        |> Map.put(:height, image.height)
+        |> Map.put(:height, height)
-        |> Map.put(:blurhash, get_blurhash(file))
+        |> Map.put(:blurhash, get_blurhash(image))
 
       {:ok, :filtered, upload}
     rescue
@@ -53,7 +54,7 @@ def filter(%Pleroma.Upload{tempfile: file, content_type: "video" <> _} = upload)
   def filter(_), do: {:ok, :noop}
 
   defp get_blurhash(file) do
-    with {:ok, blurhash} <- :eblurhash.magick(file) do
+    with {:ok, blurhash} <- vips_blurhash(file) do
       blurhash
     else
       _ -> nil
@@ -77,7 +78,28 @@ defp media_dimensions(file) do
       %{width: width, height: height}
     else
       nil -> {:error, {:ffprobe, :command_not_found}}
-      {:error, _} = error -> error
+      error -> {:error, error}
+    end
+  end
+
+  defp vips_blurhash(%Vix.Vips.Image{} = image) do
+    with {:ok, resized_image} <- Operation.thumbnail_image(image, 100),
+         {height, width} <- {Image.height(resized_image), Image.width(resized_image)},
+         max <- max(height, width),
+         {x, y} <- {max(round(width * 5 / max), 1), max(round(height * 5 / max), 1)} do
+      {:ok, rgb} =
+        if Image.has_alpha?(resized_image) do
+          # remove alpha channel
+          resized_image
+          |> Operation.extract_band!(0, n: 3)
+          |> Image.write_to_binary()
+        else
+          Image.write_to_binary(resized_image)
+        end
+
+      Blurhash.encode(rgb, width, height, x, y)
+    else
+      _ -> nil
     end
   end
 end

mix.exs

@@ -142,7 +142,7 @@ defp deps do
       {:gun, "~> 2.0.0-rc.1", override: true},
       {:finch, "~> 0.15"},
       {:jason, "~> 1.2"},
-      {:mogrify, "~> 0.9.1"},
+      {:mogrify, "~> 0.8.0"},
       {:ex_aws, "~> 2.1.6"},
       {:ex_aws_s3, "~> 2.0"},
       {:sweet_xml, "~> 0.7.2"},
@@ -179,11 +179,11 @@ defp deps do
        ref: "90f6ce7672f70f56708792a98d98bd05176c9176"},
       {:restarter, path: "./restarter"},
       {:majic, "~> 1.0"},
-      {:eblurhash,
-       git: "https://github.com/zotonic/eblurhash.git",
-       ref: "bc37ceb426ef021ee9927fb249bb93f7059194ab"},
       {:open_api_spex, "~> 3.16"},
       {:ecto_psql_extras, "~> 0.6"},
+      {:vix, "~> 0.25.0"},
+      {:elixir_make, "~> 0.7.7", override: true},
+      {:blurhash, "~> 0.1.0", hex: :rinpatch_blurhash},
 
       ## dev & test
       {:ex_doc, "~> 0.22", only: :dev, runtime: false},

mix.lock

@@ -4,11 +4,13 @@
   "bbcode_pleroma": {:hex, :bbcode_pleroma, "0.2.0", "d36f5bca6e2f62261c45be30fa9b92725c0655ad45c99025cb1c3e28e25803ef", [:mix], [{:nimble_parsec, "~> 0.5", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "19851074419a5fedb4ef49e1f01b30df504bb5dbb6d6adfc135238063bebd1c3"},
   "bcrypt_elixir": {:hex, :bcrypt_elixir, "2.3.1", "5114d780459a04f2b4aeef52307de23de961b69e13a5cd98a911e39fda13f420", [:make, :mix], [{:comeonin, "~> 5.3", [hex: :comeonin, repo: "hexpm", optional: false]}, {:elixir_make, "~> 0.6", [hex: :elixir_make, repo: "hexpm", optional: false]}], "hexpm", "42182d5f46764def15bf9af83739e3bf4ad22661b1c34fc3e88558efced07279"},
   "benchee": {:hex, :benchee, "1.1.0", "f3a43817209a92a1fade36ef36b86e1052627fd8934a8b937ac9ab3a76c43062", [:mix], [{:deep_merge, "~> 1.0", [hex: :deep_merge, repo: "hexpm", optional: false]}, {:statistex, "~> 1.0", [hex: :statistex, repo: "hexpm", optional: false]}], "hexpm", "7da57d545003165a012b587077f6ba90b89210fd88074ce3c60ce239eb5e6d93"},
+  "blurhash": {:hex, :rinpatch_blurhash, "0.1.0", "01a888b0f5f1f382ab52e4396f01831cbe8486ea5828604c90f4dac533d39a4b", [:mix], [{:mogrify, "~> 0.8.0", [hex: :mogrify, repo: "hexpm", optional: true]}], "hexpm", "19911a5dcbb0acb9710169a72f702bce6cb048822b12de566ccd82b2cc42b907"},
   "bunt": {:hex, :bunt, "0.2.1", "e2d4792f7bc0ced7583ab54922808919518d0e57ee162901a16a1b6664ef3b14", [:mix], [], "hexpm", "a330bfb4245239787b15005e66ae6845c9cd524a288f0d141c148b02603777a5"},
   "cachex": {:hex, :cachex, "3.6.0", "14a1bfbeee060dd9bec25a5b6f4e4691e3670ebda28c8ba2884b12fe30b36bf8", [:mix], [{:eternal, "~> 1.2", [hex: :eternal, repo: "hexpm", optional: false]}, {:jumper, "~> 1.0", [hex: :jumper, repo: "hexpm", optional: false]}, {:sleeplocks, "~> 1.1", [hex: :sleeplocks, repo: "hexpm", optional: false]}, {:unsafe, "~> 1.0", [hex: :unsafe, repo: "hexpm", optional: false]}], "hexpm", "ebf24e373883bc8e0c8d894a63bbe102ae13d918f790121f5cfe6e485cc8e2e2"},
   "calendar": {:hex, :calendar, "1.0.0", "f52073a708528482ec33d0a171954ca610fe2bd28f1e871f247dc7f1565fa807", [:mix], [{:tzdata, "~> 0.5.20 or ~> 0.1.201603 or ~> 1.0", [hex: :tzdata, repo: "hexpm", optional: false]}], "hexpm", "990e9581920c82912a5ee50e62ff5ef96da6b15949a2ee4734f935fdef0f0a6f"},
   "captcha": {:git, "https://git.pleroma.social/pleroma/elixir-libraries/elixir-captcha.git", "90f6ce7672f70f56708792a98d98bd05176c9176", [ref: "90f6ce7672f70f56708792a98d98bd05176c9176"]},
   "castore": {:hex, :castore, "0.1.22", "4127549e411bedd012ca3a308dede574f43819fe9394254ca55ab4895abfa1a2", [:mix], [], "hexpm", "c17576df47eb5aa1ee40cc4134316a99f5cad3e215d5c77b8dd3cfef12a22cac"},
+  "cc_precompiler": {:hex, :cc_precompiler, "0.1.9", "e8d3364f310da6ce6463c3dd20cf90ae7bbecbf6c5203b98bf9b48035592649b", [:mix], [{:elixir_make, "~> 0.7", [hex: :elixir_make, repo: "hexpm", optional: false]}], "hexpm", "9dcab3d0f3038621f1601f13539e7a9ee99843862e66ad62827b0c42b2f58a54"},
   "certifi": {:hex, :certifi, "2.9.0", "6f2a475689dd47f19fb74334859d460a2dc4e3252a3324bd2111b8f0429e7e21", [:rebar3], [], "hexpm", "266da46bdb06d6c6d35fde799bcb28d36d985d424ad7c08b5bb48f5b5cdd4641"},
   "combine": {:hex, :combine, "0.10.0", "eff8224eeb56498a2af13011d142c5e7997a80c8f5b97c499f84c841032e429f", [:mix], [], "hexpm", "1b1dbc1790073076580d0d1d64e42eae2366583e7aecd455d1215b0d16f2451b"},
   "comeonin": {:hex, :comeonin, "5.3.3", "2c564dac95a35650e9b6acfe6d2952083d8a08e4a89b93a481acb552b325892e", [:mix], [], "hexpm", "3e38c9c2cb080828116597ca8807bb482618a315bfafd98c90bc22a821cc84df"},
@@ -33,7 +35,7 @@
   "ecto_psql_extras": {:hex, :ecto_psql_extras, "0.7.14", "7a20cfe913b0476542b43870e67386461258734896035e3f284039fd18bd4c4c", [:mix], [{:ecto_sql, "~> 3.7", [hex: :ecto_sql, repo: "hexpm", optional: false]}, {:postgrex, "~> 0.16.0 or ~> 0.17.0", [hex: :postgrex, repo: "hexpm", optional: false]}, {:table_rex, "~> 3.1.1", [hex: :table_rex, repo: "hexpm", optional: false]}], "hexpm", "22f5f98592dd597db9416fcef00effae0787669fdcb6faf447e982b553798e98"},
   "ecto_sql": {:hex, :ecto_sql, "3.10.2", "6b98b46534b5c2f8b8b5f03f126e75e2a73c64f3c071149d32987a5378b0fdbd", [:mix], [{:db_connection, "~> 2.4.1 or ~> 2.5", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.10.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:myxql, "~> 0.6.0", [hex: :myxql, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.16.0 or ~> 0.17.0 or ~> 1.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:tds, "~> 2.1.1 or ~> 2.2", [hex: :tds, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "68c018debca57cb9235e3889affdaec7a10616a4e3a80c99fa1d01fdafaa9007"},
   "eimp": {:hex, :eimp, "1.0.14", "fc297f0c7e2700457a95a60c7010a5f1dcb768a083b6d53f49cd94ab95a28f22", [:rebar3], [{:p1_utils, "1.0.18", [hex: :p1_utils, repo: "hexpm", optional: false]}], "hexpm", "501133f3112079b92d9e22da8b88bf4f0e13d4d67ae9c15c42c30bd25ceb83b6"},
-  "elixir_make": {:hex, :elixir_make, "0.6.3", "bc07d53221216838d79e03a8019d0839786703129599e9619f4ab74c8c096eac", [:mix], [], "hexpm", "f5cbd651c5678bcaabdbb7857658ee106b12509cd976c2c2fca99688e1daf716"},
+  "elixir_make": {:hex, :elixir_make, "0.7.7", "7128c60c2476019ed978210c245badf08b03dbec4f24d05790ef791da11aa17c", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}], "hexpm", "5bc19fff950fad52bbe5f211b12db9ec82c6b34a9647da0c2224b8b8464c7e6c"},
   "esbuild": {:hex, :esbuild, "0.5.0", "d5bb08ff049d7880ee3609ed5c4b864bd2f46445ea40b16b4acead724fb4c4a3", [:mix], [{:castore, ">= 0.0.0", [hex: :castore, repo: "hexpm", optional: false]}], "hexpm", "f183a0b332d963c4cfaf585477695ea59eef9a6f2204fdd0efa00e099694ffe5"},
   "eternal": {:hex, :eternal, "1.2.2", "d1641c86368de99375b98d183042dd6c2b234262b8d08dfd72b9eeaafc2a1abd", [:mix], [], "hexpm", "2c9fe32b9c3726703ba5e1d43a1d255a4f3f2d8f8f9bc19f094c7cb1a7a9e782"},
   "ex_aws": {:hex, :ex_aws, "2.1.9", "dc4865ecc20a05190a34a0ac5213e3e5e2b0a75a0c2835e923ae7bfeac5e3c31", [:mix], [{:configparser_ex, "~> 4.0", [hex: :configparser_ex, repo: "hexpm", optional: true]}, {:hackney, "~> 1.9", [hex: :hackney, repo: "hexpm", optional: true]}, {:jason, "~> 1.1", [hex: :jason, repo: "hexpm", optional: true]}, {:jsx, "~> 3.0", [hex: :jsx, repo: "hexpm", optional: true]}, {:sweet_xml, "~> 0.6", [hex: :sweet_xml, repo: "hexpm", optional: true]}], "hexpm", "3e6c776703c9076001fbe1f7c049535f042cb2afa0d2cbd3b47cbc4e92ac0d10"},
@@ -75,7 +77,7 @@
   "mint": {:hex, :mint, "1.5.1", "8db5239e56738552d85af398798c80648db0e90f343c8469f6c6d8898944fb6f", [:mix], [{:castore, "~> 0.1.0 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:hpax, "~> 0.1.1", [hex: :hpax, repo: "hexpm", optional: false]}], "hexpm", "4a63e1e76a7c3956abd2c72f370a0d0aecddc3976dea5c27eccbecfa5e7d5b1e"},
   "mochiweb": {:hex, :mochiweb, "2.18.0", "eb55f1db3e6e960fac4e6db4e2db9ec3602cc9f30b86cd1481d56545c3145d2e", [:rebar3], [], "hexpm"},
   "mock": {:hex, :mock, "0.3.8", "7046a306b71db2488ef54395eeb74df0a7f335a7caca4a3d3875d1fc81c884dd", [:mix], [{:meck, "~> 0.9.2", [hex: :meck, repo: "hexpm", optional: false]}], "hexpm", "7fa82364c97617d79bb7d15571193fc0c4fe5afd0c932cef09426b3ee6fe2022"},
-  "mogrify": {:hex, :mogrify, "0.9.3", "238c782f00271dace01369ad35ae2e9dd020feee3443b9299ea5ea6bed559841", [:mix], [], "hexpm", "0189b1e1de27455f2b9ae8cf88239cefd23d38de9276eb5add7159aea51731e6"},
+  "mogrify": {:hex, :mogrify, "0.8.0", "3506f3ca3f7b95a155f3b4ef803b5db176f5a0633723e3fe85e0d6399e3b11c8", [:mix], [], "hexpm", "2278d245f07056ea3b586e98801e933695147066fa4cf563f552c1b4f0ff8ad9"},
   "mox": {:hex, :mox, "1.0.2", "dc2057289ac478b35760ba74165b4b3f402f68803dd5aecd3bfd19c183815d64", [:mix], [], "hexpm", "f9864921b3aaf763c8741b5b8e6f908f44566f1e427b2630e89e9a73b981fef2"},
   "nimble_options": {:hex, :nimble_options, "1.0.2", "92098a74df0072ff37d0c12ace58574d26880e522c22801437151a159392270e", [:mix], [], "hexpm", "fd12a8db2021036ce12a309f26f564ec367373265b53e25403f0ee697380f1b8"},
   "nimble_parsec": {:hex, :nimble_parsec, "0.6.0", "32111b3bf39137144abd7ba1cce0914533b2d16ef35e8abc5ec8be6122944263", [:mix], [], "hexpm", "27eac315a94909d4dc68bc07a4a83e06c8379237c5ea528a9acff4ca1c873c52"},
@@ -115,6 +117,7 @@
   "ranch": {:hex, :ranch, "1.8.0", "8c7a100a139fd57f17327b6413e4167ac559fbc04ca7448e9be9057311597a1d", [:make, :rebar3], [], "hexpm", "49fbcfd3682fab1f5d109351b61257676da1a2fdbe295904176d5e521a2ddfe5"},
   "recon": {:hex, :recon, "2.5.3", "739107b9050ea683c30e96de050bc59248fd27ec147696f79a8797ff9fa17153", [:mix, :rebar3], [], "hexpm", "6c6683f46fd4a1dfd98404b9f78dcabc7fcd8826613a89dcb984727a8c3099d7"},
   "remote_ip": {:git, "https://git.pleroma.social/pleroma/remote_ip.git", "b647d0deecaa3acb140854fe4bda5b7e1dc6d1c8", [ref: "b647d0deecaa3acb140854fe4bda5b7e1dc6d1c8"]},
+  "rustler": {:hex, :rustler, "0.30.0", "cefc49922132b072853fa9b0ca4dc2ffcb452f68fb73b779042b02d545e097fb", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:toml, "~> 0.6", [hex: :toml, repo: "hexpm", optional: false]}], "hexpm", "9ef1abb6a7dda35c47cfc649e6a5a61663af6cf842a55814a554a84607dee389"},
   "sleeplocks": {:hex, :sleeplocks, "1.1.2", "d45aa1c5513da48c888715e3381211c859af34bee9b8290490e10c90bb6ff0ca", [:rebar3], [], "hexpm", "9fe5d048c5b781d6305c1a3a0f40bb3dfc06f49bf40571f3d2d0c57eaa7f59a5"},
   "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.7", "354c321cf377240c7b8716899e182ce4890c5938111a1296add3ec74cf1715df", [:make, :mix, :rebar3], [], "hexpm", "fe4c190e8f37401d30167c8c405eda19469f34577987c76dde613e838bbc67f8"},
   "statistex": {:hex, :statistex, "1.0.0", "f3dc93f3c0c6c92e5f291704cf62b99b553253d7969e9a5fa713e5481cd858a5", [:mix], [], "hexpm", "ff9d8bee7035028ab4742ff52fc80a2aa35cece833cf5319009b52f1b5a86c27"},
@@ -128,11 +131,13 @@
   "telemetry_poller": {:hex, :telemetry_poller, "1.0.0", "db91bb424e07f2bb6e73926fcafbfcbcb295f0193e0a00e825e589a0a47e8453", [:rebar3], [{:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "b3a24eafd66c3f42da30fc3ca7dda1e9d546c12250a2d60d7b81d264fbec4f6e"},
   "tesla": {:hex, :tesla, "1.4.4", "bb89aa0c9745190930366f6a2ac612cdf2d0e4d7fff449861baa7875afd797b2", [:mix], [{:castore, "~> 0.1", [hex: :castore, repo: "hexpm", optional: true]}, {:exjsx, ">= 3.0.0", [hex: :exjsx, repo: "hexpm", optional: true]}, {:finch, "~> 0.3", [hex: :finch, repo: "hexpm", optional: true]}, {:fuse, "~> 2.4", [hex: :fuse, repo: "hexpm", optional: true]}, {:gun, "~> 1.3", [hex: :gun, repo: "hexpm", optional: true]}, {:hackney, "~> 1.6", [hex: :hackney, repo: "hexpm", optional: true]}, {:ibrowse, "4.4.0", [hex: :ibrowse, repo: "hexpm", optional: true]}, {:jason, ">= 1.0.0", [hex: :jason, repo: "hexpm", optional: true]}, {:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mint, "~> 1.0", [hex: :mint, repo: "hexpm", optional: true]}, {:poison, ">= 1.0.0", [hex: :poison, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: true]}], "hexpm", "d5503a49f9dec1b287567ea8712d085947e247cb11b06bc54adb05bfde466457"},
   "timex": {:hex, :timex, "3.7.7", "3ed093cae596a410759104d878ad7b38e78b7c2151c6190340835515d4a46b8a", [:mix], [{:combine, "~> 0.10", [hex: :combine, repo: "hexpm", optional: false]}, {:gettext, "~> 0.10", [hex: :gettext, repo: "hexpm", optional: false]}, {:tzdata, "~> 1.0", [hex: :tzdata, repo: "hexpm", optional: false]}], "hexpm", "0ec4b09f25fe311321f9fc04144a7e3affe48eb29481d7a5583849b6c4dfa0a7"},
+  "toml": {:hex, :toml, "0.7.0", "fbcd773caa937d0c7a02c301a1feea25612720ac3fa1ccb8bfd9d30d822911de", [:mix], [], "hexpm", "0690246a2478c1defd100b0c9b89b4ea280a22be9a7b313a8a058a2408a2fa70"},
   "trailing_format_plug": {:hex, :trailing_format_plug, "0.0.7", "64b877f912cf7273bed03379936df39894149e35137ac9509117e59866e10e45", [:mix], [{:plug, "> 0.12.0", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "bd4fde4c15f3e993a999e019d64347489b91b7a9096af68b2bdadd192afa693f"},
   "tzdata": {:hex, :tzdata, "1.0.5", "69f1ee029a49afa04ad77801febaf69385f3d3e3d1e4b56b9469025677b89a28", [:mix], [{:hackney, "~> 1.0", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm", "55519aa2a99e5d2095c1e61cc74c9be69688f8ab75c27da724eb8279ff402a5a"},
   "ueberauth": {:hex, :ueberauth, "0.10.5", "806adb703df87e55b5615cf365e809f84c20c68aa8c08ff8a416a5a6644c4b02", [:mix], [{:plug, "~> 1.5", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "3efd1f31d490a125c7ed453b926f7c31d78b97b8a854c755f5c40064bf3ac9e1"},
   "unicode_util_compat": {:hex, :unicode_util_compat, "0.7.0", "bc84380c9ab48177092f43ac89e4dfa2c6d62b40b8bd132b1059ecc7232f9a78", [:rebar3], [], "hexpm", "25eee6d67df61960cf6a794239566599b09e17e668d3700247bc498638152521"},
   "unsafe": {:hex, :unsafe, "1.0.1", "a27e1874f72ee49312e0a9ec2e0b27924214a05e3ddac90e91727bc76f8613d8", [:mix], [], "hexpm", "6c7729a2d214806450d29766abc2afaa7a2cbecf415be64f36a6691afebb50e5"},
+  "vix": {:hex, :vix, "0.25.0", "b294ca3140c0357b262d86e9966949949844282b81923bb990668c1ee5a35337", [:make, :mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: false]}, {:cc_precompiler, "~> 0.1.4 or ~> 0.2", [hex: :cc_precompiler, repo: "hexpm", optional: false]}, {:elixir_make, "~> 0.7.3 or ~> 0.8", [hex: :elixir_make, repo: "hexpm", optional: false]}, {:kino, "~> 0.7", [hex: :kino, repo: "hexpm", optional: true]}], "hexpm", "be09c96982978bc2d0c501a73e0b65ba58ec94c1afb94e3617029d6ce7ae8c3f"},
   "web_push_encryption": {:hex, :web_push_encryption, "0.3.1", "76d0e7375142dfee67391e7690e89f92578889cbcf2879377900b5620ee4708d", [:mix], [{:httpoison, "~> 1.0", [hex: :httpoison, repo: "hexpm", optional: false]}, {:jose, "~> 1.11.1", [hex: :jose, repo: "hexpm", optional: false]}], "hexpm", "4f82b2e57622fb9337559058e8797cb0df7e7c9790793bdc4e40bc895f70e2a2"},
   "websock": {:hex, :websock, "0.5.3", "2f69a6ebe810328555b6fe5c831a851f485e303a7c8ce6c5f675abeb20ebdadc", [:mix], [], "hexpm", "6105453d7fac22c712ad66fab1d45abdf049868f253cf719b625151460b8b453"},
   "websock_adapter": {:hex, :websock_adapter, "0.5.5", "9dfeee8269b27e958a65b3e235b7e447769f66b5b5925385f5a569269164a210", [:mix], [{:bandit, ">= 0.6.0", [hex: :bandit, repo: "hexpm", optional: true]}, {:plug, "~> 1.14", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 2.6", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:websock, "~> 0.5", [hex: :websock, repo: "hexpm", optional: false]}], "hexpm", "4b977ba4a01918acbf77045ff88de7f6972c2a009213c515a445c48f224ffce9"},

test/pleroma/upload/filter/analyze_metadata_test.exs

@@ -20,6 +20,20 @@ test "adds the dimensions and blurhash for images" do
     assert meta.blurhash
   end
 
+  test "it blurhashes images with an alpha component" do
+    upload = %Pleroma.Upload{
+      name: "an… image.jpg",
+      content_type: "image/jpeg",
+      path: Path.absname("test/fixtures/png_with_transparency.png"),
+      tempfile: Path.absname("test/fixtures/png_with_transparency.png")
+    }
+
+    {:ok, :filtered, meta} = AnalyzeMetadata.filter(upload)
+
+    assert %{width: 320, height: 320} = meta
+    assert meta.blurhash == "eXJi-E:SwCEm5rCmn$+YWYn+15K#5A$xxCi{SiV]s*W:Efa#s.jE-T"
+  end
+
   test "adds the dimensions for videos" do
     upload = %Pleroma.Upload{
       name: "coolvideo.mp4",