A feature for shareable emoji packs, use it in download_from & tests

This commit is contained in:
Ekaterina Vaartis 2019-09-11 22:58:55 +03:00
parent 74fb6d8647
commit 36f2275dc9
3 changed files with 88 additions and 50 deletions

View file

@ -153,64 +153,79 @@ def download_shared(conn, %{"name" => name}) do
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
full_pack =
"#{address}/api/pleroma/emoji/packs/list"
shareable_packs_available =
"#{address}/nodeinfo/2.1.json"
|> Tesla.get!()
|> Map.get(:body)
|> Jason.decode!()
|> Map.get(name)
|> Map.get("features")
|> Enum.member?("shareable_emoji_packs")
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}"
}}
if shareable_packs_available do
full_pack =
"#{address}/api/pleroma/emoji/packs/list"
|> Tesla.get!()
|> Map.get(:body)
|> Jason.decode!()
|> Map.get(name)
%{"fallback-src" => src, "fallback-src-sha256" => sha} when is_binary(src) ->
{:ok,
%{
sha: sha,
uri: src,
fallback: true
}}
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}"
}}
_ ->
{:error, "The pack was not set as shared and there is no fallback src to download from"}
%{"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
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"})
conn
|> put_status(:internal_server_error)
|> json(%{error: "The requested instance does not support sharing emoji packs"})
end
end

View file

@ -57,6 +57,7 @@ def raw_nodeinfo do
"mastodon_api_streaming",
"polls",
"pleroma_explicit_addressing",
"shareable_emoji_packs",
if Config.get([:media_proxy, :enabled]) do
"media_proxy"
end,

View file

@ -54,6 +54,12 @@ test "downloading shared & unshared packs from another instance via download_fro
end)
mock(fn
%{method: :get, url: "https://old-instance/nodeinfo/2.1.json"} ->
json(%{features: []})
%{method: :get, url: "https://example.com/nodeinfo/2.1.json"} ->
json(%{features: ["shareable_emoji_packs"]})
%{
method: :get,
url: "https://example.com/api/pleroma/emoji/packs/list"
@ -87,6 +93,22 @@ test "downloading shared & unshared packs from another instance via download_fro
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(