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Merge branch 'better-emoji-packs' into 'develop'

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Shareable emoji packs

Closes #833 and #1096

See merge request pleroma/pleroma!1551
This commit is contained in:
rinpatch 2019-09-23 18:20:08 +00:00
commit fd48bd80eb
19 changed files with 1193 additions and 16 deletions
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3
config/config.exs
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@ -122,7 +122,8 @@ config :pleroma, :emoji,
# Put groups that have higher priority than defaults here. Example in `docs/config/custom_emoji.md`
Custom: ["/emoji/*.png", "/emoji/**/*.png"]
],
default_manifest: "https://git.pleroma.social/pleroma/emoji-index/raw/master/index.json"
default_manifest: "https://git.pleroma.social/pleroma/emoji-index/raw/master/index.json",
shared_pack_cache_seconds_per_file: 60
config :pleroma, :uri_schemes,
valid_schemes: [

8
config/description.exs
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@ -2256,6 +2256,14 @@ config :pleroma, :config_description, [
"Location of the JSON-manifest. This manifest contains information about the emoji-packs you can download." <>
" Currently only one manifest can be added (no arrays)",
suggestions: ["https://git.pleroma.social/pleroma/emoji-index/raw/master/index.json"]
},
%{
key: :shared_pack_cache_seconds_per_file,
type: :integer,
descpiption:
"When an emoji pack is shared, the archive is created and cached in memory" <>
" for this amount of seconds multiplied by the number of files.",
suggestions: [60]
}
]
},

3
config/test.exs
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@ -30,7 +30,8 @@ config :pleroma, :instance,
notify_email: "noreply@example.com",
skip_thread_containment: false,
federating: false,
external_user_synchronization: false
external_user_synchronization: false,
static_dir: "test/instance_static/"
config :pleroma, :activitypub, sign_object_fetches: false

7
docs/api/admin_api.md
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@ -733,3 +733,10 @@ Compile time settings (need instance reboot):
}
]
```
## `POST /api/pleroma/admin/reload_emoji`
### Reload the instance's custom emoji
* Method `POST`
* Authentication: required
* Params: None
* Response: JSON, "ok" and 200 status

65
docs/api/pleroma_api.md
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@ -365,3 +365,68 @@ The status posting endpoint takes an additional parameter, `in_reply_to_conversa
* Params:
* `recipients`: A list of ids of users that should receive posts to this conversation. This will replace the current list of recipients, so submit the full list. The owner of owner of the conversation will always be part of the set of recipients, though.
* Response: JSON, statuses (200 - healthy, 503 unhealthy)
## `GET /api/pleroma/emoji/packs`
### Lists the custom emoji packs on the server
* Method `GET`
* Authentication: not required
* Params: None
* Response: JSON, "ok" and 200 status and the JSON hashmap of "pack name" to "pack contents"
## `PUT /api/pleroma/emoji/packs/:name`
### Creates an empty custom emoji pack
* Method `PUT`
* Authentication: required
* Params: None
* Response: JSON, "ok" and 200 status or 409 if the pack with that name already exists
## `DELETE /api/pleroma/emoji/packs/:name`
### Delete a custom emoji pack
* Method `DELETE`
* Authentication: required
* Params: None
* Response: JSON, "ok" and 200 status or 500 if there was an error deleting the pack
## `POST /api/pleroma/emoji/packs/:name/update_file`
### Update a file in a custom emoji pack
* Method `POST`
* Authentication: required
* Params:
* if the `action` is `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).
* if the `action` is `update`, changes emoji shortcode
(from `shortcode` to `new_shortcode` or moves the file (from the current filename to `new_filename`)
* if the `action` is `remove`, removes the emoji named `shortcode` and it's associated file
* Response: JSON, updated "files" section of the pack and 200 status, 409 if the trying to use a shortcode
that is already taken, 400 if there was an error with the shortcode, filename or file (additional info
in the "error" part of the response JSON)
## `POST /api/pleroma/emoji/packs/:name/update_metadata`
### Updates (replaces) pack metadata
* Method `POST`
* Authentication: required
* Params:
* `new_data`: new metadata to replace the old one
* Response: JSON, updated "metadata" section of the pack and 200 status or 400 if there was a
problem with the new metadata (the error is specified in the "error" part of the response JSON)
## `POST /api/pleroma/emoji/packs/download_from`
### Requests the instance to download the pack from another instance
* Method `POST`
* Authentication: required
* Params:
* `instance_address`: the address of the instance to download from
* `pack_name`: the pack to download from that instance
* Response: JSON, "ok" and 200 status if the pack was downloaded, or 500 if there were
errors downloading the pack
## `GET /api/pleroma/emoji/packs/:name/download_shared`
### Requests a local pack from the instance
* Method `GET`
* Authentication: not required
* Params: None
* Response: the archive of the pack with a 200 status code, 403 if the pack is not set as shared,
404 if the pack does not exist

2
docs/config.md
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@ -707,6 +707,8 @@ Configure OAuth 2 provider capabilities:
* `pack_extensions`: A list of file extensions for emojis, when no emoji.txt for a pack is present. Example `[".png", ".gif"]`
* `groups`: Emojis are ordered in groups (tags). This is an array of key-value pairs where the key is the groupname and the value the location or array of locations. `*` can be used as a wildcard. Example `[Custom: ["/emoji/*.png", "/emoji/custom/*.png"]]`
* `default_manifest`: Location of the JSON-manifest. This manifest contains information about the emoji-packs you can download. Currently only one manifest can be added (no arrays).
* `shared_pack_cache_seconds_per_file`: When an emoji pack is shared, the archive is created and cached in
memory for this amount of seconds multiplied by the number of files.
## Database options

6
lib/pleroma/application.ex
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@ -102,10 +102,14 @@ defmodule Pleroma.Application do
build_cachex("rich_media", default_ttl: :timer.minutes(120), limit: 5000),
build_cachex("scrubber", limit: 2500),
build_cachex("idempotency", expiration: idempotency_expiration(), limit: 2500),
build_cachex("web_resp", limit: 2500)
build_cachex("web_resp", limit: 2500),
build_cachex("emoji_packs", expiration: emoji_packs_expiration(), limit: 10)
]
end
defp emoji_packs_expiration,
do: expiration(default: :timer.seconds(5 * 60), interval: :timer.seconds(60))
defp idempotency_expiration,
do: expiration(default: :timer.seconds(6 * 60 * 60), interval: :timer.seconds(60))

44
lib/pleroma/emoji.ex
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@ -122,6 +122,9 @@ defmodule Pleroma.Emoji do
fn pack -> load_pack(Path.join(emoji_dir_path, pack), emoji_groups) end
)
# Clear out old emojis
:ets.delete_all_objects(@ets)
true = :ets.insert(@ets, emojis)
end
@ -143,23 +146,38 @@ defmodule Pleroma.Emoji do
defp load_pack(pack_dir, emoji_groups) do
pack_name = Path.basename(pack_dir)
emoji_txt = Path.join(pack_dir, "emoji.txt")
pack_file = Path.join(pack_dir, "pack.json")
if File.exists?(emoji_txt) do
load_from_file(emoji_txt, emoji_groups)
else
extensions = Pleroma.Config.get([:emoji, :pack_extensions])
if File.exists?(pack_file) do
contents = Jason.decode!(File.read!(pack_file))
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} ->
contents["files"]
|> Enum.map(fn {name, rel_file} ->
filename = Path.join("/emoji/#{pack_name}", rel_file)
{shortcode, filename, [to_string(match_extra(emoji_groups, filename))]}
{name, filename, pack_name}
end)
else
# Load from emoji.txt / all files
emoji_txt = Path.join(pack_dir, "emoji.txt")
if File.exists?(emoji_txt) do
load_from_file(emoji_txt, emoji_groups)
else
extensions = Pleroma.Config.get([:emoji, :pack_extensions])
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

6
lib/pleroma/web/admin_api/admin_api_controller.ex
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@ -599,6 +599,12 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
|> render("index.json", %{configs: updated})
end
def reload_emoji(conn, _params) do
Pleroma.Emoji.reload()
conn |> json("ok")
end
def errors(conn, {:error, :not_found}) do
conn
|> put_status(:not_found)

1
lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
View File

@ -57,6 +57,7 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
"mastodon_api_streaming",
"polls",
"pleroma_explicit_addressing",
"shareable_emoji_packs",
if Config.get([:media_proxy, :enabled]) do
"media_proxy"
end,

575
lib/pleroma/web/pleroma_api/controllers/emoji_api_controller.ex Normal file
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@ -0,0 +1,575 @@
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: %{}})
)
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.make_shortcode_to_file_map(dir_path, pack_extensions)
end
end
end

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23
lib/pleroma/web/router.ex
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@ -205,6 +205,29 @@ defmodule Pleroma.Web.Router do
get("/config/migrate_from_db", AdminAPIController, :migrate_from_db)
get("/moderation_log", AdminAPIController, :list_log)
post("/reload_emoji", AdminAPIController, :reload_emoji)
end
scope "/api/pleroma/emoji", Pleroma.Web.PleromaAPI do
scope "/packs" do
# Modifying packs
pipe_through([:admin_api, :oauth_write])
post("/import_from_fs", EmojiAPIController, :import_from_fs)
post("/:pack_name/update_file", EmojiAPIController, :update_file)
post("/:pack_name/update_metadata", EmojiAPIController, :update_metadata)
put("/:name", EmojiAPIController, :create)
delete("/:name", EmojiAPIController, :delete)
post("/download_from", EmojiAPIController, :download_from)
end
scope "/packs" do
# Pack info / downloading
get("/", EmojiAPIController, :list_packs)
get("/:name/download_shared/", EmojiAPIController, :download_shared)
end
end
scope "/", Pleroma.Web.TwitterAPI do

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test/instance_static/emoji/test_pack/pack.json Normal file
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@ -0,0 +1,13 @@
{
"pack": {
"license": "Test license",
"homepage": "https://pleroma.social",
"description": "Test description",
"share-files": true
},
"files": {
"blank": "blank.png"
}
}

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@ -0,0 +1,16 @@
{
"pack": {
"license": "Test license",
"homepage": "https://pleroma.social",
"description": "Test description",
"fallback-src": "https://nonshared-pack",
"fallback-src-sha256": "74409E2674DAA06C072729C6C8426C4CB3B7E0B85ED77792DB7A436E11D76DAF",
"share-files": false
},
"files": {
"blank": "blank.png"
}
}

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@ -0,0 +1,437 @@
defmodule Pleroma.Web.PleromaAPI.EmojiAPIControllerTest do
use Pleroma.Web.ConnCase
import Tesla.Mock
import Pleroma.Factory
@emoji_dir_path Path.join(
Pleroma.Config.get!([:instance, :static_dir]),
"emoji"
)
test "shared & non-shared pack information in list_packs is ok" do
conn = build_conn()
resp = conn |> get(emoji_api_path(conn, :list_packs)) |> json_response(200)
assert Map.has_key?(resp, "test_pack")
pack = resp["test_pack"]
assert Map.has_key?(pack["pack"], "download-sha256")
assert pack["pack"]["can-download"]
assert pack["files"] == %{"blank" => "blank.png"}
# Non-shared pack
assert Map.has_key?(resp, "test_pack_nonshared")
pack = resp["test_pack_nonshared"]
refute pack["pack"]["shared"]
refute pack["pack"]["can-download"]
end
test "downloading a shared pack from download_shared" do
conn = build_conn()
resp =
conn
|> get(emoji_api_path(conn, :download_shared, "test_pack"))
|> response(200)
{:ok, arch} = :zip.unzip(resp, [:memory])
assert Enum.find(arch, fn {n, _} -> n == 'pack.json' end)
assert Enum.find(arch, fn {n, _} -> n == 'blank.png' end)
end
test "downloading shared & unshared packs from another instance via download_from, deleting them" do
on_exit(fn ->
File.rm_rf!("#{@emoji_dir_path}/test_pack2")
File.rm_rf!("#{@emoji_dir_path}/test_pack_nonshared2")
end)
mock(fn
%{method: :get, url: "https://old-instance/.well-known/nodeinfo"} ->
json([%{href: "https://old-instance/nodeinfo/2.1.json"}])
%{method: :get, url: "https://old-instance/nodeinfo/2.1.json"} ->
json(%{metadata: %{features: []}})
%{method: :get, url: "https://example.com/.well-known/nodeinfo"} ->
json([%{href: "https://example.com/nodeinfo/2.1.json"}])
%{method: :get, url: "https://example.com/nodeinfo/2.1.json"} ->
json(%{metadata: %{features: ["shareable_emoji_packs"]}})
%{
method: :get,
url: "https://example.com/api/pleroma/emoji/packs/list"
} ->
conn = build_conn()
conn
|> get(emoji_api_path(conn, :list_packs))
|> json_response(200)
|> json()
%{
method: :get,
url: "https://example.com/api/pleroma/emoji/packs/download_shared/test_pack"
} ->
conn = build_conn()
conn
|> get(emoji_api_path(conn, :download_shared, "test_pack"))
|> response(200)
|> text()
%{
method: :get,
url: "https://nonshared-pack"
} ->
text(File.read!("#{@emoji_dir_path}/test_pack_nonshared/nonshared.zip"))
end)
admin = insert(:user, info: %{is_admin: true})
conn = build_conn() |> assign(:user, admin)
assert (conn
|> put_req_header("content-type", "application/json")
|> post(
emoji_api_path(
conn,
:download_from
),
%{
instance_address: "https://old-instance",
pack_name: "test_pack",
as: "test_pack2"
}
|> Jason.encode!()
)
|> json_response(500))["error"] =~ "does not support"
assert conn
|> put_req_header("content-type", "application/json")
|> post(
emoji_api_path(
conn,
:download_from
),
%{
instance_address: "https://example.com",
pack_name: "test_pack",
as: "test_pack2"
}
|> Jason.encode!()
)
|> json_response(200) == "ok"
assert File.exists?("#{@emoji_dir_path}/test_pack2/pack.json")
assert File.exists?("#{@emoji_dir_path}/test_pack2/blank.png")
assert conn
|> delete(emoji_api_path(conn, :delete, "test_pack2"))
|> json_response(200) == "ok"
refute File.exists?("#{@emoji_dir_path}/test_pack2")
# non-shared, downloaded from the fallback URL
conn = build_conn() |> assign(:user, admin)
assert conn
|> put_req_header("content-type", "application/json")
|> post(
emoji_api_path(
conn,
:download_from
),
%{
instance_address: "https://example.com",
pack_name: "test_pack_nonshared",
as: "test_pack_nonshared2"
}
|> Jason.encode!()
)
|> json_response(200) == "ok"
assert File.exists?("#{@emoji_dir_path}/test_pack_nonshared2/pack.json")
assert File.exists?("#{@emoji_dir_path}/test_pack_nonshared2/blank.png")
assert conn
|> delete(emoji_api_path(conn, :delete, "test_pack_nonshared2"))
|> json_response(200) == "ok"
refute File.exists?("#{@emoji_dir_path}/test_pack_nonshared2")
end
describe "updating pack metadata" do
setup do
pack_file = "#{@emoji_dir_path}/test_pack/pack.json"
original_content = File.read!(pack_file)
on_exit(fn ->
File.write!(pack_file, original_content)
end)
{:ok,
admin: insert(:user, info: %{is_admin: true}),
pack_file: pack_file,
new_data: %{
"license" => "Test license changed",
"homepage" => "https://pleroma.social",
"description" => "Test description",
"share-files" => false
}}
end
test "for a pack without a fallback source", ctx do
conn = build_conn()
assert conn
|> assign(:user, ctx[:admin])
|> post(
emoji_api_path(conn, :update_metadata, "test_pack"),
%{
"new_data" => ctx[:new_data]
}
)
|> json_response(200) == ctx[:new_data]
assert Jason.decode!(File.read!(ctx[:pack_file]))["pack"] == ctx[:new_data]
end
test "for a pack with a fallback source", ctx do
mock(fn
%{
method: :get,
url: "https://nonshared-pack"
} ->
text(File.read!("#{@emoji_dir_path}/test_pack_nonshared/nonshared.zip"))
end)
new_data = Map.put(ctx[:new_data], "fallback-src", "https://nonshared-pack")
new_data_with_sha =
Map.put(
new_data,
"fallback-src-sha256",
"74409E2674DAA06C072729C6C8426C4CB3B7E0B85ED77792DB7A436E11D76DAF"
)
conn = build_conn()
assert conn
|> assign(:user, ctx[:admin])
|> post(
emoji_api_path(conn, :update_metadata, "test_pack"),
%{
"new_data" => new_data
}
)
|> json_response(200) == new_data_with_sha
assert Jason.decode!(File.read!(ctx[:pack_file]))["pack"] == new_data_with_sha
end
test "when the fallback source doesn't have all the files", ctx do
mock(fn
%{
method: :get,
url: "https://nonshared-pack"
} ->
{:ok, {'empty.zip', empty_arch}} = :zip.zip('empty.zip', [], [:memory])
text(empty_arch)
end)
new_data = Map.put(ctx[:new_data], "fallback-src", "https://nonshared-pack")
conn = build_conn()
assert (conn
|> assign(:user, ctx[:admin])
|> post(
emoji_api_path(conn, :update_metadata, "test_pack"),
%{
"new_data" => new_data
}
)
|> json_response(:bad_request))["error"] =~ "does not have all"
end
end
test "updating pack files" do
pack_file = "#{@emoji_dir_path}/test_pack/pack.json"
original_content = File.read!(pack_file)
on_exit(fn ->
File.write!(pack_file, original_content)
File.rm_rf!("#{@emoji_dir_path}/test_pack/blank_url.png")
File.rm_rf!("#{@emoji_dir_path}/test_pack/dir")
File.rm_rf!("#{@emoji_dir_path}/test_pack/dir_2")
end)
admin = insert(:user, info: %{is_admin: true})
conn = build_conn()
same_name = %{
"action" => "add",
"shortcode" => "blank",
"filename" => "dir/blank.png",
"file" => %Plug.Upload{
filename: "blank.png",
path: "#{@emoji_dir_path}/test_pack/blank.png"
}
}
different_name = %{same_name | "shortcode" => "blank_2"}
conn = conn |> assign(:user, admin)
assert (conn
|> post(emoji_api_path(conn, :update_file, "test_pack"), same_name)
|> json_response(:conflict))["error"] =~ "already exists"
assert conn
|> post(emoji_api_path(conn, :update_file, "test_pack"), different_name)
|> json_response(200) == %{"blank" => "blank.png", "blank_2" => "dir/blank.png"}
assert File.exists?("#{@emoji_dir_path}/test_pack/dir/blank.png")
assert conn
|> post(emoji_api_path(conn, :update_file, "test_pack"), %{
"action" => "update",
"shortcode" => "blank_2",
"new_shortcode" => "blank_3",
"new_filename" => "dir_2/blank_3.png"
})
|> json_response(200) == %{"blank" => "blank.png", "blank_3" => "dir_2/blank_3.png"}
refute File.exists?("#{@emoji_dir_path}/test_pack/dir/")
assert File.exists?("#{@emoji_dir_path}/test_pack/dir_2/blank_3.png")
assert conn
|> post(emoji_api_path(conn, :update_file, "test_pack"), %{
"action" => "remove",
"shortcode" => "blank_3"
})
|> json_response(200) == %{"blank" => "blank.png"}
refute File.exists?("#{@emoji_dir_path}/test_pack/dir_2/")
mock(fn
%{
method: :get,
url: "https://test-blank/blank_url.png"
} ->
text(File.read!("#{@emoji_dir_path}/test_pack/blank.png"))
end)
# The name should be inferred from the URL ending
from_url = %{
"action" => "add",
"shortcode" => "blank_url",
"file" => "https://test-blank/blank_url.png"
}
assert conn
|> post(emoji_api_path(conn, :update_file, "test_pack"), from_url)
|> json_response(200) == %{
"blank" => "blank.png",
"blank_url" => "blank_url.png"
}
assert File.exists?("#{@emoji_dir_path}/test_pack/blank_url.png")
assert conn
|> post(emoji_api_path(conn, :update_file, "test_pack"), %{
"action" => "remove",
"shortcode" => "blank_url"
})
|> json_response(200) == %{"blank" => "blank.png"}
refute File.exists?("#{@emoji_dir_path}/test_pack/blank_url.png")
end
test "creating and deleting a pack" do
on_exit(fn ->
File.rm_rf!("#{@emoji_dir_path}/test_created")
end)
admin = insert(:user, info: %{is_admin: true})
conn = build_conn() |> assign(:user, admin)
assert conn
|> put_req_header("content-type", "application/json")
|> put(
emoji_api_path(
conn,
:create,
"test_created"
)
)
|> json_response(200) == "ok"
assert File.exists?("#{@emoji_dir_path}/test_created/pack.json")
assert Jason.decode!(File.read!("#{@emoji_dir_path}/test_created/pack.json")) == %{
"pack" => %{},
"files" => %{}
}
assert conn
|> delete(emoji_api_path(conn, :delete, "test_created"))
|> json_response(200) == "ok"
refute File.exists?("#{@emoji_dir_path}/test_created/pack.json")
end
test "filesystem import" do
on_exit(fn ->
File.rm!("#{@emoji_dir_path}/test_pack_for_import/emoji.txt")
File.rm!("#{@emoji_dir_path}/test_pack_for_import/pack.json")
end)
conn = build_conn()
resp = conn |> get(emoji_api_path(conn, :list_packs)) |> json_response(200)
refute Map.has_key?(resp, "test_pack_for_import")
admin = insert(:user, info: %{is_admin: true})
assert conn
|> assign(:user, admin)
|> post(emoji_api_path(conn, :import_from_fs))
|> json_response(200) == ["test_pack_for_import"]
resp = conn |> get(emoji_api_path(conn, :list_packs)) |> json_response(200)
assert resp["test_pack_for_import"]["files"] == %{"blank" => "blank.png"}
File.rm!("#{@emoji_dir_path}/test_pack_for_import/pack.json")
refute File.exists?("#{@emoji_dir_path}/test_pack_for_import/pack.json")
emoji_txt_content = "blank, blank.png, Fun\n\nblank2, blank.png"
File.write!("#{@emoji_dir_path}/test_pack_for_import/emoji.txt", emoji_txt_content)
assert conn
|> assign(:user, admin)
|> post(emoji_api_path(conn, :import_from_fs))
|> json_response(200) == ["test_pack_for_import"]
resp = conn |> get(emoji_api_path(conn, :list_packs)) |> json_response(200)
assert resp["test_pack_for_import"]["files"] == %{
"blank" => "blank.png",
"blank2" => "blank.png"
}
end
end