Merge branch 'command-available-check' into 'develop'

#1939  Check command availability for exiftool and git

See merge request pleroma/pleroma!2753
This commit is contained in:
lain 2020-08-06 08:27:10 +00:00
commit 4b47d9c5b6
7 changed files with 64 additions and 12 deletions

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@ -47,6 +47,7 @@ defmodule Pleroma.Application do
Pleroma.ApplicationRequirements.verify!()
setup_instrumenters()
load_custom_modules()
check_system_commands()
Pleroma.Docs.JSON.compile()
adapter = Application.get_env(:tesla, :adapter)
@ -249,4 +250,21 @@ defmodule Pleroma.Application do
end
defp http_children(_, _), do: []
defp check_system_commands do
filters = Config.get([Pleroma.Upload, :filters])
check_filter = fn filter, command_required ->
with true <- filter in filters,
false <- Pleroma.Utils.command_available?(command_required) do
Logger.error(
"#{filter} is specified in list of Pleroma.Upload filters, but the #{command_required} command is not found"
)
end
end
check_filter.(Pleroma.Upload.Filters.Exiftool, "exiftool")
check_filter.(Pleroma.Upload.Filters.Mogrify, "mogrify")
check_filter.(Pleroma.Upload.Filters.Mogrifun, "mogrify")
end
end

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@ -9,9 +9,17 @@ defmodule Pleroma.Upload.Filter.Exiftool do
"""
@behaviour Pleroma.Upload.Filter
@spec filter(Pleroma.Upload.t()) :: :ok | {:error, String.t()}
def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
System.cmd("exiftool", ["-overwrite_original", "-gps:all=", file], parallelism: true)
:ok
try do
case System.cmd("exiftool", ["-overwrite_original", "-gps:all=", file], parallelism: true) do
{_response, 0} -> :ok
{error, 1} -> {:error, error}
end
rescue
_e in ErlangError ->
{:error, "exiftool command not found"}
end
end
def filter(_), do: :ok

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@ -34,10 +34,15 @@ defmodule Pleroma.Upload.Filter.Mogrifun do
[{"fill", "yellow"}, {"tint", "40"}]
]
@spec filter(Pleroma.Upload.t()) :: :ok | {:error, String.t()}
def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
try do
Filter.Mogrify.do_filter(file, [Enum.random(@filters)])
:ok
rescue
_e in ErlangError ->
{:error, "mogrify command not found"}
end
end
def filter(_), do: :ok

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@ -8,11 +8,15 @@ defmodule Pleroma.Upload.Filter.Mogrify do
@type conversion :: action :: String.t() | {action :: String.t(), opts :: String.t()}
@type conversions :: conversion() | [conversion()]
@spec filter(Pleroma.Upload.t()) :: :ok | {:error, String.t()}
def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
filters = Pleroma.Config.get!([__MODULE__, :args])
do_filter(file, filters)
try do
do_filter(file, Pleroma.Config.get!([__MODULE__, :args]))
:ok
rescue
_e in ErlangError ->
{:error, "mogrify command not found"}
end
end
def filter(_), do: :ok

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@ -9,4 +9,19 @@ defmodule Pleroma.Utils do
|> Enum.map(&Path.join(dir, &1))
|> Kernel.ParallelCompiler.compile()
end
@doc """
POSIX-compliant check if command is available in the system
## Examples
iex> command_available?("git")
true
iex> command_available?("wrongcmd")
false
"""
@spec command_available?(String.t()) :: boolean()
def command_available?(command) do
match?({_output, 0}, System.cmd("sh", ["-c", "command -v #{command}"]))
end
end

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@ -229,10 +229,10 @@ defmodule Pleroma.Mixfile do
defp version(version) do
identifier_filter = ~r/[^0-9a-z\-]+/i
{_cmdgit, cmdgit_err} = System.cmd("sh", ["-c", "command -v git"])
git_available? = match?({_output, 0}, System.cmd("sh", ["-c", "command -v git"]))
git_pre_release =
if cmdgit_err == 0 do
if git_available? do
{tag, tag_err} =
System.cmd("git", ["describe", "--tags", "--abbrev=0"], stderr_to_stdout: true)
@ -258,7 +258,7 @@ defmodule Pleroma.Mixfile do
# Branch name as pre-release version component, denoted with a dot
branch_name =
with 0 <- cmdgit_err,
with true <- git_available?,
{branch_name, 0} <- System.cmd("git", ["rev-parse", "--abbrev-ref", "HEAD"]),
branch_name <- String.trim(branch_name),
branch_name <- System.get_env("PLEROMA_BUILD_BRANCH") || branch_name,

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@ -7,6 +7,8 @@ defmodule Pleroma.Upload.Filter.ExiftoolTest do
alias Pleroma.Upload.Filter
test "apply exiftool filter" do
assert Pleroma.Utils.command_available?("exiftool")
File.cp!(
"test/fixtures/DSCN0010.jpg",
"test/fixtures/DSCN0010_tmp.jpg"