akkoma/lib/mix/tasks/pleroma/emoji.ex
2020-04-06 11:13:59 +03:00

272 lines
6.8 KiB
Elixir

# 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.Emoji do
use Mix.Task
import Mix.Pleroma
@shortdoc "Manages emoji packs"
@moduledoc File.read!("docs/administration/CLI_tasks/emoji.md")
def run(["ls-packs" | args]) do
start_pleroma()
{options, [], []} = parse_global_opts(args)
url_or_path = options[:manifest] || default_manifest()
manifest = fetch_manifest(url_or_path)
Enum.each(manifest, fn {name, info} ->
to_print = [
{"Name", name},
{"Homepage", info["homepage"]},
{"Description", info["description"]},
{"License", info["license"]},
{"Source", info["src"]}
]
for {param, value} <- to_print do
IO.puts(IO.ANSI.format([:bright, param, :normal, ": ", value]))
end
# A newline
IO.puts("")
end)
end
def run(["get-packs" | args]) do
start_pleroma()
{options, pack_names, []} = parse_global_opts(args)
url_or_path = options[:manifest] || default_manifest()
manifest = fetch_manifest(url_or_path)
for pack_name <- pack_names do
if Map.has_key?(manifest, pack_name) do
pack = manifest[pack_name]
src_url = pack["src"]
IO.puts(
IO.ANSI.format([
"Downloading ",
:bright,
pack_name,
:normal,
" from ",
:underline,
src_url
])
)
binary_archive = Tesla.get!(client(), src_url).body
archive_sha = :crypto.hash(:sha256, binary_archive) |> Base.encode16()
sha_status_text = ["SHA256 of ", :bright, pack_name, :normal, " source file is ", :bright]
if archive_sha == String.upcase(pack["src_sha256"]) do
IO.puts(IO.ANSI.format(sha_status_text ++ [:green, "OK"]))
else
IO.puts(IO.ANSI.format(sha_status_text ++ [:red, "BAD"]))
raise "Bad SHA256 for #{pack_name}"
end
# The url specified in files should be in the same directory
files_url =
url_or_path
|> Path.dirname()
|> Path.join(pack["files"])
IO.puts(
IO.ANSI.format([
"Fetching the file list for ",
:bright,
pack_name,
:normal,
" from ",
:underline,
files_url
])
)
files = Tesla.get!(client(), files_url).body |> Jason.decode!()
IO.puts(IO.ANSI.format(["Unpacking ", :bright, pack_name]))
pack_path =
Path.join([
Pleroma.Config.get!([:instance, :static_dir]),
"emoji",
pack_name
])
files_to_unzip =
Enum.map(
files,
fn {_, f} -> to_charlist(f) end
)
{:ok, _} =
:zip.unzip(binary_archive,
cwd: pack_path,
file_list: files_to_unzip
)
IO.puts(IO.ANSI.format(["Writing pack.json for ", :bright, pack_name]))
pack_json = %{
pack: %{
"license" => pack["license"],
"homepage" => pack["homepage"],
"description" => pack["description"],
"fallback-src" => pack["src"],
"fallback-src-sha256" => pack["src_sha256"],
"share-files" => true
},
files: files
}
File.write!(Path.join(pack_path, "pack.json"), Jason.encode!(pack_json, pretty: true))
else
IO.puts(IO.ANSI.format([:bright, :red, "No pack named \"#{pack_name}\" found"]))
end
end
end
def run(["gen-pack" | args]) do
start_pleroma()
{opts, [src], []} =
OptionParser.parse(
args,
strict: [
name: :string,
license: :string,
homepage: :string,
description: :string,
files: :string,
extensions: :string
]
)
proposed_name = Path.basename(src) |> Path.rootname()
name = get_option(opts, :name, "Pack name:", proposed_name)
license = get_option(opts, :license, "License:")
homepage = get_option(opts, :homepage, "Homepage:")
description = get_option(opts, :description, "Description:")
proposed_files_name = "#{name}_files.json"
files_name = get_option(opts, :files, "Save file list to:", proposed_files_name)
default_exts = [".png", ".gif"]
custom_exts =
get_option(
opts,
:extensions,
"Emoji file extensions (separated with spaces):",
Enum.join(default_exts, " ")
)
|> String.split(" ", trim: true)
exts =
if MapSet.equal?(MapSet.new(default_exts), MapSet.new(custom_exts)) do
default_exts
else
custom_exts
end
IO.puts("Using #{Enum.join(exts, " ")} extensions")
IO.puts("Downloading the pack and generating SHA256")
binary_archive = Tesla.get!(client(), src).body
archive_sha = :crypto.hash(:sha256, binary_archive) |> Base.encode16()
IO.puts("SHA256 is #{archive_sha}")
pack_json = %{
name => %{
license: license,
homepage: homepage,
description: description,
src: src,
src_sha256: archive_sha,
files: files_name
}
}
tmp_pack_dir = Path.join(System.tmp_dir!(), "emoji-pack-#{name}")
{:ok, _} = :zip.unzip(binary_archive, cwd: String.to_charlist(tmp_pack_dir))
emoji_map = Pleroma.Emoji.Loader.make_shortcode_to_file_map(tmp_pack_dir, exts)
File.write!(files_name, Jason.encode!(emoji_map, pretty: true))
IO.puts("""
#{files_name} has been created and contains the list of all found emojis in the pack.
Please review the files in the pack and remove those not needed.
""")
pack_file = "#{name}.json"
if File.exists?(pack_file) do
existing_data = File.read!(pack_file) |> Jason.decode!()
File.write!(
pack_file,
Jason.encode!(
Map.merge(
existing_data,
pack_json
),
pretty: true
)
)
IO.puts("#{pack_file} has been updated with the #{name} pack")
else
File.write!(pack_file, Jason.encode!(pack_json, pretty: true))
IO.puts("#{pack_file} has been created with the #{name} pack")
end
end
defp fetch_manifest(from) do
Jason.decode!(
if String.starts_with?(from, "http") do
Tesla.get!(client(), from).body
else
File.read!(from)
end
)
end
defp parse_global_opts(args) do
OptionParser.parse(
args,
strict: [
manifest: :string
],
aliases: [
m: :manifest
]
)
end
defp client do
middleware = [
{Tesla.Middleware.FollowRedirects, [max_redirects: 3]}
]
Tesla.client(middleware)
end
defp default_manifest, do: Pleroma.Config.get!([:emoji, :default_manifest])
end