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Use with w/ pack_info_res

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This commit is contained in:
Ekaterina Vaartis 2019-09-11 18:59:31 +03:00
parent 8790365fef
commit 8f509e6d1e
1 changed files with 23 additions and 29 deletions
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52
lib/pleroma/web/emoji_api/emoji_api_controller.ex
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@ -183,42 +183,36 @@ def download_from(conn, %{"instance_address" => address, "pack_name" => name} =
{:error, "The pack was not set as shared and there is no fallback src to download from"}
end
case pack_info_res do
{:ok, %{sha: sha, uri: uri} = pinfo} ->
sha = Base.decode16!(sha)
emoji_archive = Tesla.get!(uri).body
with {:ok, %{sha: sha, uri: uri} = pinfo} <- pack_info_res,
%{body: emoji_archive} <- Tesla.get!(uri),
{_, true} <- {:sha, 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)
got_sha = :crypto.hash(:sha256, emoji_archive)
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
if got_sha == sha do
local_name = data["as"] || name
pack_dir = Path.join(@emoji_dir_path, local_name)
File.mkdir_p!(pack_dir)
{:ok, _} = :zip.unzip(emoji_archive, cwd: to_charlist(pack_dir), file_list: files)
# Fallback cannot contain a pack.json file
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
# 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")
{: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
conn |> text("ok")
else
conn
|> put_status(:internal_server_error)
|> text("SHA256 for the pack doesn't match the one sent by the server")
end
File.write!(pack_file_path, Jason.encode!(full_pack, pretty: true))
end
text(conn, "ok")
else
{:error, e} ->
conn |> put_status(:internal_server_error) |> text(e)
{:sha, _} ->
conn
|> put_status(:internal_server_error)
|> text("SHA256 for the pack doesn't match the one sent by the server")
end
end