--- /dev/null
- Enum.flat_map(packs, fn pack ->
- load_pack(Path.join(emoji_dir_path, pack), emoji_groups)
- end)
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Emoji.Loader do
+ @moduledoc """
+ The Loader emoji from:
+
+ * emoji packs in INSTANCE-DIR/emoji
+ * the files: `config/emoji.txt` and `config/custom_emoji.txt`
+ * glob paths, nested folder is used as tag name for grouping e.g. priv/static/emoji/custom/nested_folder
+ """
+ alias Pleroma.Config
+ alias Pleroma.Emoji
+
+ require Logger
+
+ @type pattern :: Regex.t() | module() | String.t()
+ @type patterns :: pattern() | [pattern()]
+ @type group_patterns :: keyword(patterns())
+ @type emoji :: {String.t(), Emoji.t()}
+
+ @doc """
+ Loads emojis from files/packs.
+
+ returns list emojis in format:
+ `{"000", "/emoji/freespeechextremist.com/000.png", ["Custom"]}`
+ """
+ @spec load() :: list(emoji)
+ def load do
+ emoji_dir_path = Path.join(Config.get!([:instance, :static_dir]), "emoji")
+
+ emoji_groups = Config.get([:emoji, :groups])
+
+ emojis =
+ case File.ls(emoji_dir_path) do
+ {:error, :enoent} ->
+ # The custom emoji directory doesn't exist,
+ # don't do anything
+ []
+
+ {:error, e} ->
+ # There was some other error
+ Logger.error("Could not access the custom emoji directory #{emoji_dir_path}: #{e}")
+ []
+
+ {:ok, results} ->
+ grouped =
+ Enum.group_by(results, fn file ->
+ File.dir?(Path.join(emoji_dir_path, file))
+ end)
+
+ packs = grouped[true] || []
+ files = grouped[false] || []
+
+ # Print the packs we've found
+ Logger.info("Found emoji packs: #{Enum.join(packs, ", ")}")
+
+ if not Enum.empty?(files) do
+ Logger.warn(
+ "Found files in the emoji folder. These will be ignored, please move them to a subdirectory\nFound files: #{
+ Enum.join(files, ", ")
+ }"
+ )
+ end
+
- emoji_txt = Path.join(pack_dir, "emoji.txt")
++ emojis =
++ Enum.flat_map(packs, fn pack ->
++ load_pack(Path.join(emoji_dir_path, pack), emoji_groups)
++ end)
++
++ Emoji.clear_all()
++ emojis
+ end
+
+ # Compat thing for old custom emoji handling & default emoji,
+ # it should run even if there are no emoji packs
+ shortcode_globs = Config.get([:emoji, :shortcode_globs], [])
+
+ emojis_txt =
+ (load_from_file("config/emoji.txt", emoji_groups) ++
+ load_from_file("config/custom_emoji.txt", emoji_groups) ++
+ load_from_globs(shortcode_globs, emoji_groups))
+ |> Enum.reject(fn value -> value == nil end)
+
+ Enum.map(emojis ++ emojis_txt, &prepare_emoji/1)
+ end
+
+ defp prepare_emoji({code, _, _} = emoji), do: {code, Emoji.build(emoji)}
+
+ defp load_pack(pack_dir, emoji_groups) do
+ pack_name = Path.basename(pack_dir)
+
- if File.exists?(emoji_txt) do
- load_from_file(emoji_txt, emoji_groups)
++ pack_file = Path.join(pack_dir, "pack.json")
++
++ if File.exists?(pack_file) do
++ contents = Jason.decode!(File.read!(pack_file))
+
- extensions = Config.get([:emoji, :pack_extensions])
++ contents["files"]
++ |> Enum.map(fn {name, rel_file} ->
++ filename = Path.join("/emoji/#{pack_name}", rel_file)
++ {name, filename, pack_name}
++ end)
+ else
- Logger.info(
- "No emoji.txt found for pack \"#{pack_name}\", assuming all #{Enum.join(extensions, ", ")} files are emoji"
- )
++ # Load from emoji.txt / all files
++ emoji_txt = Path.join(pack_dir, "emoji.txt")
+
- make_shortcode_to_file_map(pack_dir, extensions)
- |> Enum.map(fn {shortcode, rel_file} ->
- filename = Path.join("/emoji/#{pack_name}", rel_file)
++ if File.exists?(emoji_txt) do
++ load_from_file(emoji_txt, emoji_groups)
++ else
++ extensions = Pleroma.Config.get([:emoji, :pack_extensions])
+
- {shortcode, filename, [to_string(match_extra(emoji_groups, filename))]}
- end)
++ Logger.info(
++ "No emoji.txt found for pack \"#{pack_name}\", assuming all #{
++ Enum.join(extensions, ", ")
++ } files are emoji"
++ )
+
++ make_shortcode_to_file_map(pack_dir, extensions)
++ |> Enum.map(fn {shortcode, rel_file} ->
++ filename = Path.join("/emoji/#{pack_name}", rel_file)
++
++ {shortcode, filename, [to_string(match_extra(emoji_groups, filename))]}
++ end)
++ end
+ end
+ end
+
+ def make_shortcode_to_file_map(pack_dir, exts) do
+ find_all_emoji(pack_dir, exts)
+ |> Enum.map(&Path.relative_to(&1, pack_dir))
+ |> Enum.map(fn f -> {f |> Path.basename() |> Path.rootname(), f} end)
+ |> Enum.into(%{})
+ end
+
+ def find_all_emoji(dir, exts) do
+ dir
+ |> File.ls!()
+ |> Enum.flat_map(fn f ->
+ filepath = Path.join(dir, f)
+
+ if File.dir?(filepath) do
+ find_all_emoji(filepath, exts)
+ else
+ [filepath]
+ end
+ end)
+ |> Enum.filter(fn f -> Path.extname(f) in exts end)
+ end
+
+ defp load_from_file(file, emoji_groups) do
+ if File.exists?(file) do
+ load_from_file_stream(File.stream!(file), emoji_groups)
+ else
+ []
+ end
+ end
+
+ defp load_from_file_stream(stream, emoji_groups) do
+ stream
+ |> Stream.map(&String.trim/1)
+ |> Stream.map(fn line ->
+ case String.split(line, ~r/,\s*/) do
+ [name, file] ->
+ {name, file, [to_string(match_extra(emoji_groups, file))]}
+
+ [name, file | tags] ->
+ {name, file, tags}
+
+ _ ->
+ nil
+ end
+ end)
+ |> Enum.to_list()
+ end
+
+ defp load_from_globs(globs, emoji_groups) do
+ static_path = Path.join(:code.priv_dir(:pleroma), "static")
+
+ paths =
+ Enum.map(globs, fn glob ->
+ Path.join(static_path, glob)
+ |> Path.wildcard()
+ end)
+ |> Enum.concat()
+
+ Enum.map(paths, fn path ->
+ tag = match_extra(emoji_groups, Path.join("/", Path.relative_to(path, static_path)))
+ shortcode = Path.basename(path, Path.extname(path))
+ external_path = Path.join("/", Path.relative_to(path, static_path))
+ {shortcode, external_path, [to_string(tag)]}
+ end)
+ end
+
+ @doc """
+ Finds a matching group for the given emoji filename
+ """
+ @spec match_extra(group_patterns(), String.t()) :: atom() | nil
+ def match_extra(group_patterns, filename) do
+ match_group_patterns(group_patterns, fn pattern ->
+ case pattern do
+ %Regex{} = regex -> Regex.match?(regex, filename)
+ string when is_binary(string) -> filename == string
+ end
+ end)
+ end
+
+ defp match_group_patterns(group_patterns, matcher) do
+ Enum.find_value(group_patterns, fn {group, patterns} ->
+ patterns =
+ patterns
+ |> List.wrap()
+ |> Enum.map(fn pattern ->
+ if String.contains?(pattern, "*") do
+ ~r(#{String.replace(pattern, "*", ".*")})
+ else
+ pattern
+ end
+ end)
+
+ Enum.any?(patterns, matcher) && group
+ end)
+ end
+end
--- /dev/null
- Pleroma.Emoji.make_shortcode_to_file_map(dir_path, pack_extensions)
+ defmodule Pleroma.Web.PleromaAPI.EmojiAPIController do
+ use Pleroma.Web, :controller
+
+ require Logger
+
+ @emoji_dir_path Path.join(
+ Pleroma.Config.get!([:instance, :static_dir]),
+ "emoji"
+ )
+
+ @cache_seconds_per_file Pleroma.Config.get!([:emoji, :shared_pack_cache_seconds_per_file])
+
+ @doc """
+ Lists the packs available on the instance as JSON.
+
+ The information is public and does not require authentification. The format is
+ a map of "pack directory name" to pack.json contents.
+ """
+ def list_packs(conn, _params) do
+ with {:ok, results} <- File.ls(@emoji_dir_path) do
+ pack_infos =
+ results
+ |> Enum.filter(&has_pack_json?/1)
+ |> Enum.map(&load_pack/1)
+ # Check if all the files are in place and can be sent
+ |> Enum.map(&validate_pack/1)
+ # Transform into a map of pack-name => pack-data
+ |> Enum.into(%{})
+
+ json(conn, pack_infos)
+ end
+ end
+
+ defp has_pack_json?(file) do
+ dir_path = Path.join(@emoji_dir_path, file)
+ # Filter to only use the pack.json packs
+ File.dir?(dir_path) and File.exists?(Path.join(dir_path, "pack.json"))
+ end
+
+ defp load_pack(pack_name) do
+ pack_path = Path.join(@emoji_dir_path, pack_name)
+ pack_file = Path.join(pack_path, "pack.json")
+
+ {pack_name, Jason.decode!(File.read!(pack_file))}
+ end
+
+ defp validate_pack({name, pack}) do
+ pack_path = Path.join(@emoji_dir_path, name)
+
+ if can_download?(pack, pack_path) do
+ archive_for_sha = make_archive(name, pack, pack_path)
+ archive_sha = :crypto.hash(:sha256, archive_for_sha) |> Base.encode16()
+
+ pack =
+ pack
+ |> put_in(["pack", "can-download"], true)
+ |> put_in(["pack", "download-sha256"], archive_sha)
+
+ {name, pack}
+ else
+ {name, put_in(pack, ["pack", "can-download"], false)}
+ end
+ end
+
+ defp can_download?(pack, pack_path) do
+ # If the pack is set as shared, check if it can be downloaded
+ # That means that when asked, the pack can be packed and sent to the remote
+ # Otherwise, they'd have to download it from external-src
+ pack["pack"]["share-files"] &&
+ Enum.all?(pack["files"], fn {_, path} ->
+ File.exists?(Path.join(pack_path, path))
+ end)
+ end
+
+ defp create_archive_and_cache(name, pack, pack_dir, md5) do
+ files =
+ ['pack.json'] ++
+ (pack["files"] |> Enum.map(fn {_, path} -> to_charlist(path) end))
+
+ {:ok, {_, zip_result}} = :zip.zip('#{name}.zip', files, [:memory, cwd: to_charlist(pack_dir)])
+
+ cache_ms = :timer.seconds(@cache_seconds_per_file * Enum.count(files))
+
+ Cachex.put!(
+ :emoji_packs_cache,
+ name,
+ # if pack.json MD5 changes, the cache is not valid anymore
+ %{pack_json_md5: md5, pack_data: zip_result},
+ # Add a minute to cache time for every file in the pack
+ ttl: cache_ms
+ )
+
+ Logger.debug("Created an archive for the '#{name}' emoji pack, \
+ keeping it in cache for #{div(cache_ms, 1000)}s")
+
+ zip_result
+ end
+
+ defp make_archive(name, pack, pack_dir) do
+ # Having a different pack.json md5 invalidates cache
+ pack_file_md5 = :crypto.hash(:md5, File.read!(Path.join(pack_dir, "pack.json")))
+
+ case Cachex.get!(:emoji_packs_cache, name) do
+ %{pack_file_md5: ^pack_file_md5, pack_data: zip_result} ->
+ Logger.debug("Using cache for the '#{name}' shared emoji pack")
+ zip_result
+
+ _ ->
+ create_archive_and_cache(name, pack, pack_dir, pack_file_md5)
+ end
+ end
+
+ @doc """
+ An endpoint for other instances (via admin UI) or users (via browser)
+ to download packs that the instance shares.
+ """
+ def download_shared(conn, %{"name" => name}) do
+ pack_dir = Path.join(@emoji_dir_path, name)
+ pack_file = Path.join(pack_dir, "pack.json")
+
+ with {_, true} <- {:exists?, File.exists?(pack_file)},
+ pack = Jason.decode!(File.read!(pack_file)),
+ {_, true} <- {:can_download?, can_download?(pack, pack_dir)} do
+ zip_result = make_archive(name, pack, pack_dir)
+ send_download(conn, {:binary, zip_result}, filename: "#{name}.zip")
+ else
+ {:can_download?, _} ->
+ conn
+ |> put_status(:forbidden)
+ |> json(%{
+ error: "Pack #{name} cannot be downloaded from this instance, either pack sharing\
+ was disabled for this pack or some files are missing"
+ })
+
+ {:exists?, _} ->
+ conn
+ |> put_status(:not_found)
+ |> json(%{error: "Pack #{name} does not exist"})
+ end
+ end
+
+ @doc """
+ An admin endpoint to request downloading a pack named `pack_name` from the instance
+ `instance_address`.
+
+ If the requested instance's admin chose to share the pack, it will be downloaded
+ from that instance, otherwise it will be downloaded from the fallback source, if there is one.
+ """
+ def download_from(conn, %{"instance_address" => address, "pack_name" => name} = data) do
+ shareable_packs_available =
+ "#{address}/.well-known/nodeinfo"
+ |> Tesla.get!()
+ |> Map.get(:body)
+ |> Jason.decode!()
+ |> List.last()
+ |> Map.get("href")
+ # Get the actual nodeinfo address and fetch it
+ |> Tesla.get!()
+ |> Map.get(:body)
+ |> Jason.decode!()
+ |> get_in(["metadata", "features"])
+ |> Enum.member?("shareable_emoji_packs")
+
+ if shareable_packs_available do
+ full_pack =
+ "#{address}/api/pleroma/emoji/packs/list"
+ |> Tesla.get!()
+ |> Map.get(:body)
+ |> Jason.decode!()
+ |> Map.get(name)
+
+ pack_info_res =
+ case full_pack["pack"] do
+ %{"share-files" => true, "can-download" => true, "download-sha256" => sha} ->
+ {:ok,
+ %{
+ sha: sha,
+ uri: "#{address}/api/pleroma/emoji/packs/download_shared/#{name}"
+ }}
+
+ %{"fallback-src" => src, "fallback-src-sha256" => sha} when is_binary(src) ->
+ {:ok,
+ %{
+ sha: sha,
+ uri: src,
+ fallback: true
+ }}
+
+ _ ->
+ {:error,
+ "The pack was not set as shared and there is no fallback src to download from"}
+ end
+
+ with {:ok, %{sha: sha, uri: uri} = pinfo} <- pack_info_res,
+ %{body: emoji_archive} <- Tesla.get!(uri),
+ {_, true} <- {:checksum, Base.decode16!(sha) == :crypto.hash(:sha256, emoji_archive)} do
+ local_name = data["as"] || name
+ pack_dir = Path.join(@emoji_dir_path, local_name)
+ File.mkdir_p!(pack_dir)
+
+ files = Enum.map(full_pack["files"], fn {_, path} -> to_charlist(path) end)
+ # Fallback cannot contain a pack.json file
+ files = if pinfo[:fallback], do: files, else: ['pack.json'] ++ files
+
+ {:ok, _} = :zip.unzip(emoji_archive, cwd: to_charlist(pack_dir), file_list: files)
+
+ # Fallback can't contain a pack.json file, since that would cause the fallback-src-sha256
+ # in it to depend on itself
+ if pinfo[:fallback] do
+ pack_file_path = Path.join(pack_dir, "pack.json")
+
+ File.write!(pack_file_path, Jason.encode!(full_pack, pretty: true))
+ end
+
+ json(conn, "ok")
+ else
+ {:error, e} ->
+ conn |> put_status(:internal_server_error) |> json(%{error: e})
+
+ {:checksum, _} ->
+ conn
+ |> put_status(:internal_server_error)
+ |> json(%{error: "SHA256 for the pack doesn't match the one sent by the server"})
+ end
+ else
+ conn
+ |> put_status(:internal_server_error)
+ |> json(%{error: "The requested instance does not support sharing emoji packs"})
+ end
+ end
+
+ @doc """
+ Creates an empty pack named `name` which then can be updated via the admin UI.
+ """
+ def create(conn, %{"name" => name}) do
+ pack_dir = Path.join(@emoji_dir_path, name)
+
+ if not File.exists?(pack_dir) do
+ File.mkdir_p!(pack_dir)
+
+ pack_file_p = Path.join(pack_dir, "pack.json")
+
+ File.write!(
+ pack_file_p,
+ Jason.encode!(%{pack: %{}, files: %{}}, pretty: true)
+ )
+
+ conn |> json("ok")
+ else
+ conn
+ |> put_status(:conflict)
+ |> json(%{error: "A pack named \"#{name}\" already exists"})
+ end
+ end
+
+ @doc """
+ Deletes the pack `name` and all it's files.
+ """
+ def delete(conn, %{"name" => name}) do
+ pack_dir = Path.join(@emoji_dir_path, name)
+
+ case File.rm_rf(pack_dir) do
+ {:ok, _} ->
+ conn |> json("ok")
+
+ {:error, _} ->
+ conn
+ |> put_status(:internal_server_error)
+ |> json(%{error: "Couldn't delete the pack #{name}"})
+ end
+ end
+
+ @doc """
+ An endpoint to update `pack_names`'s metadata.
+
+ `new_data` is the new metadata for the pack, that will replace the old metadata.
+ """
+ def update_metadata(conn, %{"pack_name" => name, "new_data" => new_data}) do
+ pack_file_p = Path.join([@emoji_dir_path, name, "pack.json"])
+
+ full_pack = Jason.decode!(File.read!(pack_file_p))
+
+ # The new fallback-src is in the new data and it's not the same as it was in the old data
+ should_update_fb_sha =
+ not is_nil(new_data["fallback-src"]) and
+ new_data["fallback-src"] != full_pack["pack"]["fallback-src"]
+
+ with {_, true} <- {:should_update?, should_update_fb_sha},
+ %{body: pack_arch} <- Tesla.get!(new_data["fallback-src"]),
+ {:ok, flist} <- :zip.unzip(pack_arch, [:memory]),
+ {_, true} <- {:has_all_files?, has_all_files?(full_pack, flist)} do
+ fallback_sha = :crypto.hash(:sha256, pack_arch) |> Base.encode16()
+
+ new_data = Map.put(new_data, "fallback-src-sha256", fallback_sha)
+ update_metadata_and_send(conn, full_pack, new_data, pack_file_p)
+ else
+ {:should_update?, _} ->
+ update_metadata_and_send(conn, full_pack, new_data, pack_file_p)
+
+ {:has_all_files?, _} ->
+ conn
+ |> put_status(:bad_request)
+ |> json(%{error: "The fallback archive does not have all files specified in pack.json"})
+ end
+ end
+
+ # Check if all files from the pack.json are in the archive
+ defp has_all_files?(%{"files" => files}, flist) do
+ Enum.all?(files, fn {_, from_manifest} ->
+ Enum.find(flist, fn {from_archive, _} ->
+ to_string(from_archive) == from_manifest
+ end)
+ end)
+ end
+
+ defp update_metadata_and_send(conn, full_pack, new_data, pack_file_p) do
+ full_pack = Map.put(full_pack, "pack", new_data)
+ File.write!(pack_file_p, Jason.encode!(full_pack, pretty: true))
+
+ # Send new data back with fallback sha filled
+ json(conn, new_data)
+ end
+
+ defp get_filename(%{"filename" => filename}), do: filename
+
+ defp get_filename(%{"file" => file}) do
+ case file do
+ %Plug.Upload{filename: filename} -> filename
+ url when is_binary(url) -> Path.basename(url)
+ end
+ end
+
+ defp empty?(str), do: String.trim(str) == ""
+
+ defp update_file_and_send(conn, updated_full_pack, pack_file_p) do
+ # Write the emoji pack file
+ File.write!(pack_file_p, Jason.encode!(updated_full_pack, pretty: true))
+
+ # Return the modified file list
+ json(conn, updated_full_pack["files"])
+ end
+
+ @doc """
+ Updates a file in a pack.
+
+ Updating can mean three things:
+
+ - `add` adds an emoji named `shortcode` to the pack `pack_name`,
+ that means that the emoji file needs to be uploaded with the request
+ (thus requiring it to be a multipart request) and be named `file`.
+ There can also be an optional `filename` that will be the new emoji file name
+ (if it's not there, the name will be taken from the uploaded file).
+ - `update` changes emoji shortcode (from `shortcode` to `new_shortcode` or moves the file
+ (from the current filename to `new_filename`)
+ - `remove` removes the emoji named `shortcode` and it's associated file
+ """
+
+ # Add
+ def update_file(
+ conn,
+ %{"pack_name" => pack_name, "action" => "add", "shortcode" => shortcode} = params
+ ) do
+ pack_dir = Path.join(@emoji_dir_path, pack_name)
+ pack_file_p = Path.join(pack_dir, "pack.json")
+
+ full_pack = Jason.decode!(File.read!(pack_file_p))
+
+ with {_, false} <- {:has_shortcode, Map.has_key?(full_pack["files"], shortcode)},
+ filename <- get_filename(params),
+ false <- empty?(shortcode),
+ false <- empty?(filename) do
+ file_path = Path.join(pack_dir, filename)
+
+ # If the name contains directories, create them
+ if String.contains?(file_path, "/") do
+ File.mkdir_p!(Path.dirname(file_path))
+ end
+
+ case params["file"] do
+ %Plug.Upload{path: upload_path} ->
+ # Copy the uploaded file from the temporary directory
+ File.copy!(upload_path, file_path)
+
+ url when is_binary(url) ->
+ # Download and write the file
+ file_contents = Tesla.get!(url).body
+ File.write!(file_path, file_contents)
+ end
+
+ updated_full_pack = put_in(full_pack, ["files", shortcode], filename)
+ update_file_and_send(conn, updated_full_pack, pack_file_p)
+ else
+ {:has_shortcode, _} ->
+ conn
+ |> put_status(:conflict)
+ |> json(%{error: "An emoji with the \"#{shortcode}\" shortcode already exists"})
+
+ true ->
+ conn
+ |> put_status(:bad_request)
+ |> json(%{error: "shortcode or filename cannot be empty"})
+ end
+ end
+
+ # Remove
+ def update_file(conn, %{
+ "pack_name" => pack_name,
+ "action" => "remove",
+ "shortcode" => shortcode
+ }) do
+ pack_dir = Path.join(@emoji_dir_path, pack_name)
+ pack_file_p = Path.join(pack_dir, "pack.json")
+
+ full_pack = Jason.decode!(File.read!(pack_file_p))
+
+ if Map.has_key?(full_pack["files"], shortcode) do
+ {emoji_file_path, updated_full_pack} = pop_in(full_pack, ["files", shortcode])
+
+ emoji_file_path = Path.join(pack_dir, emoji_file_path)
+
+ # Delete the emoji file
+ File.rm!(emoji_file_path)
+
+ # If the old directory has no more files, remove it
+ if String.contains?(emoji_file_path, "/") do
+ dir = Path.dirname(emoji_file_path)
+
+ if Enum.empty?(File.ls!(dir)) do
+ File.rmdir!(dir)
+ end
+ end
+
+ update_file_and_send(conn, updated_full_pack, pack_file_p)
+ else
+ conn
+ |> put_status(:bad_request)
+ |> json(%{error: "Emoji \"#{shortcode}\" does not exist"})
+ end
+ end
+
+ # Update
+ def update_file(
+ conn,
+ %{"pack_name" => pack_name, "action" => "update", "shortcode" => shortcode} = params
+ ) do
+ pack_dir = Path.join(@emoji_dir_path, pack_name)
+ pack_file_p = Path.join(pack_dir, "pack.json")
+
+ full_pack = Jason.decode!(File.read!(pack_file_p))
+
+ with {_, true} <- {:has_shortcode, Map.has_key?(full_pack["files"], shortcode)},
+ %{"new_shortcode" => new_shortcode, "new_filename" => new_filename} <- params,
+ false <- empty?(new_shortcode),
+ false <- empty?(new_filename) do
+ # First, remove the old shortcode, saving the old path
+ {old_emoji_file_path, updated_full_pack} = pop_in(full_pack, ["files", shortcode])
+ old_emoji_file_path = Path.join(pack_dir, old_emoji_file_path)
+ new_emoji_file_path = Path.join(pack_dir, new_filename)
+
+ # If the name contains directories, create them
+ if String.contains?(new_emoji_file_path, "/") do
+ File.mkdir_p!(Path.dirname(new_emoji_file_path))
+ end
+
+ # Move/Rename the old filename to a new filename
+ # These are probably on the same filesystem, so just rename should work
+ :ok = File.rename(old_emoji_file_path, new_emoji_file_path)
+
+ # If the old directory has no more files, remove it
+ if String.contains?(old_emoji_file_path, "/") do
+ dir = Path.dirname(old_emoji_file_path)
+
+ if Enum.empty?(File.ls!(dir)) do
+ File.rmdir!(dir)
+ end
+ end
+
+ # Then, put in the new shortcode with the new path
+ updated_full_pack = put_in(updated_full_pack, ["files", new_shortcode], new_filename)
+ update_file_and_send(conn, updated_full_pack, pack_file_p)
+ else
+ {:has_shortcode, _} ->
+ conn
+ |> put_status(:bad_request)
+ |> json(%{error: "Emoji \"#{shortcode}\" does not exist"})
+
+ true ->
+ conn
+ |> put_status(:bad_request)
+ |> json(%{error: "new_shortcode or new_filename cannot be empty"})
+
+ _ ->
+ conn
+ |> put_status(:bad_request)
+ |> json(%{error: "new_shortcode or new_file were not specified"})
+ end
+ end
+
+ def update_file(conn, %{"action" => action}) do
+ conn
+ |> put_status(:bad_request)
+ |> json(%{error: "Unknown action: #{action}"})
+ end
+
+ @doc """
+ Imports emoji from the filesystem.
+
+ Importing means checking all the directories in the
+ `$instance_static/emoji/` for directories which do not have
+ `pack.json`. If one has an emoji.txt file, that file will be used
+ to create a `pack.json` file with it's contents. If the directory has
+ neither, all the files with specific configured extenstions will be
+ assumed to be emojis and stored in the new `pack.json` file.
+ """
+ def import_from_fs(conn, _params) do
+ with {:ok, results} <- File.ls(@emoji_dir_path) do
+ imported_pack_names =
+ results
+ |> Enum.filter(fn file ->
+ dir_path = Path.join(@emoji_dir_path, file)
+ # Find the directories that do NOT have pack.json
+ File.dir?(dir_path) and not File.exists?(Path.join(dir_path, "pack.json"))
+ end)
+ |> Enum.map(&write_pack_json_contents/1)
+
+ json(conn, imported_pack_names)
+ else
+ {:error, _} ->
+ conn
+ |> put_status(:internal_server_error)
+ |> json(%{error: "Error accessing emoji pack directory"})
+ end
+ end
+
+ defp write_pack_json_contents(dir) do
+ dir_path = Path.join(@emoji_dir_path, dir)
+ emoji_txt_path = Path.join(dir_path, "emoji.txt")
+
+ files_for_pack = files_for_pack(emoji_txt_path, dir_path)
+ pack_json_contents = Jason.encode!(%{pack: %{}, files: files_for_pack})
+
+ File.write!(Path.join(dir_path, "pack.json"), pack_json_contents)
+
+ dir
+ end
+
+ defp files_for_pack(emoji_txt_path, dir_path) do
+ if File.exists?(emoji_txt_path) do
+ # There's an emoji.txt file, it's likely from a pack installed by the pack manager.
+ # Make a pack.json file from the contents of that emoji.txt fileh
+
+ # FIXME: Copy-pasted from Pleroma.Emoji/load_from_file_stream/2
+
+ # Create a map of shortcodes to filenames from emoji.txt
+ File.read!(emoji_txt_path)
+ |> String.split("\n")
+ |> Enum.map(&String.trim/1)
+ |> Enum.map(fn line ->
+ case String.split(line, ~r/,\s*/) do
+ # This matches both strings with and without tags
+ # and we don't care about tags here
+ [name, file | _] -> {name, file}
+ _ -> nil
+ end
+ end)
+ |> Enum.filter(fn x -> not is_nil(x) end)
+ |> Enum.into(%{})
+ else
+ # If there's no emoji.txt, assume all files
+ # that are of certain extensions from the config are emojis and import them all
+ pack_extensions = Pleroma.Config.get!([:emoji, :pack_extensions])
++ Pleroma.Emoji.Loader.make_shortcode_to_file_map(dir_path, pack_extensions)
+ end
+ end
+ end