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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Mix.Tasks.Pleroma.Frontend do
use Mix.Task
import Mix.Pleroma
@shortdoc "Manages bundled Pleroma frontends"
@moduledoc File.read!("docs/administration/CLI_tasks/frontend.md")
def run(["install", "none" | _args]) do
shell_info("Skipping frontend installation because none was requested")
"none"
end
def run(["install", frontend | args]) do
log_level = Logger.level()
Logger.configure(level: :warn)
start_pleroma()
{options, [], []} =
OptionParser.parse(
args,
strict: [
ref: :string,
static_dir: :string,
build_url: :string,
build_dir: :string,
file: :string
]
)
instance_static_dir =
with nil <- options[:static_dir] do
Pleroma.Config.get!([:instance, :static_dir])
end
cmd_frontend_info = %{
"name" => frontend,
"ref" => options[:ref],
"build_url" => options[:build_url],
"build_dir" => options[:build_dir]
}
config_frontend_info = Pleroma.Config.get([:frontends, :available, frontend], %{})
frontend_info =
Map.merge(config_frontend_info, cmd_frontend_info, fn _key, config, cmd ->
# This only overrides things that are actually set
cmd || config
end)
ref = frontend_info["ref"]
unless ref do
raise "No ref given or configured"
end
dest =
Path.join([
instance_static_dir,
"frontends",
frontend,
ref
])
fe_label = "#{frontend} (#{ref})"
tmp_dir = Path.join([instance_static_dir, "frontends", "tmp"])
with {_, :ok} <-
{:download_or_unzip, download_or_unzip(frontend_info, tmp_dir, options[:file])},
shell_info("Installing #{fe_label} to #{dest}"),
:ok <- install_frontend(frontend_info, tmp_dir, dest) do
File.rm_rf!(tmp_dir)
shell_info("Frontend #{fe_label} installed to #{dest}")
Logger.configure(level: log_level)
else
{:download_or_unzip, _} ->
shell_info("Could not download or unzip the frontend")
_e ->
shell_info("Could not install the frontend")
end
end
defp download_or_unzip(frontend_info, temp_dir, file) do
if file do
with {:ok, zip} <- File.read(Path.expand(file)) do
unzip(zip, temp_dir)
end
else
download_build(frontend_info, temp_dir)
end
end
def unzip(zip, dest) do
with {:ok, unzipped} <- :zip.unzip(zip, [:memory]) do
File.rm_rf!(dest)
File.mkdir_p!(dest)
Enum.each(unzipped, fn {filename, data} ->
path = filename
new_file_path = Path.join(dest, path)
new_file_path
|> Path.dirname()
|> File.mkdir_p!()
File.write!(new_file_path, data)
end)
:ok
end
end
defp download_build(frontend_info, dest) do
shell_info("Downloading pre-built bundle for #{frontend_info["name"]}")
url = String.replace(frontend_info["build_url"], "${ref}", frontend_info["ref"])
with {:ok, %{status: 200, body: zip_body}} <-
Pleroma.HTTP.get(url, [],
adapter: [pool: :media, timeout: 120_000, recv_timeout: 120_000]
) do
unzip(zip_body, dest)
else
e -> {:error, e}
end
end
defp install_frontend(frontend_info, source, dest) do
from = frontend_info["build_dir"] || "dist"
File.rm_rf!(dest)
File.mkdir_p!(dest)
File.cp_r!(Path.join([source, from]), dest)
:ok
end
end
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