144 lines
3.4 KiB
Elixir
144 lines
3.4 KiB
Elixir
defmodule ChiyaWeb.Indie.MicropubHandler do
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@behaviour PlugMicropub.HandlerBehaviour
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require Logger
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alias ChiyaWeb.Indie.Properties, as: Props
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alias ChiyaWeb.Indie.Token
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@impl true
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def handle_create(type, properties, access_token) do
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Logger.info("Handle create")
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Logger.info("Properties: #{properties}")
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Logger.info("Type: #{type}")
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with :ok <- verify_token(access_token),
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{:ok, post_type} <- Props.get_post_type(properties),
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{:ok, note_attrs} <- get_attrs(type, post_type, properties),
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{:ok, note} <- Chiya.Notes.create_note(note_attrs) do
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Logger.info("Note created!")
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{:ok, :created, Chiya.Notes.Note.note_url(note)}
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else
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error ->
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Logger.error("Error occurred while creating note from micropub:")
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Logger.error(inspect(error))
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{:error, :invalid_request}
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end
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end
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@impl true
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def handle_update(_, _, _, _, _) do
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{:error, :insufficient_scope}
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end
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@impl true
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def handle_delete(_url, _access_token) do
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{:error, :insufficient_scope}
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end
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@impl true
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def handle_undelete(_url, _access_token) do
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{:error, :insufficient_scope}
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end
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@impl true
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def handle_source_query(_url, _filter_properties, _access_token) do
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{:error, :insufficient_scope}
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end
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@impl true
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def handle_media(_files, _access_token) do
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{:error, :insufficient_scope}
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end
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@impl true
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def handle_config_query(_access_token) do
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channels = Chiya.Channels.list_channels()
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{:ok,
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%{
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"destination" => [],
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"post-types" => [
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%{
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"type" => "note",
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"name" => "Note"
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}
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],
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"channels" =>
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Enum.map(channels, fn c ->
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%{
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"uid" => c.slug,
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"name" => c.name
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}
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end)
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}}
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end
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@impl true
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def handle_syndicate_to_query(_access_token) do
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{:ok, %{"syndicate-to" => []}}
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end
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defp verify_token(access_token) do
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Enum.reduce_while([&verify_app_token/1, &verify_micropub_token/1], nil, fn fun, result ->
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case fun.(access_token) do
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:ok -> {:halt, :ok}
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error -> {:cont, error}
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end
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end)
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end
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defp verify_micropub_token(access_token) do
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Token.verify(access_token, "create", get_hostname())
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end
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defp verify_app_token(access_token) do
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token = Chiya.Accounts.get_app_token("obsidian", "app")
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if not is_nil(token) do
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token_string =
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token.token
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|> :crypto.bytes_to_integer()
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|> to_string()
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if token_string == access_token do
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:ok
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else
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{:error, :insufficient_scope, "Could not verify app token"}
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end
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else
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{:error, :insufficient_scope, "Could not verify app token"}
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end
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end
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defp get_attrs(type, post_type, properties) do
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Logger.info("Creating a #{type}/#{post_type}..")
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case post_type do
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:note -> get_note_attrs(properties)
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_ -> {:error, :insufficient_scope}
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end
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end
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defp get_note_attrs(p) do
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content = Props.get_content(p)
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name = Props.get_title(p) || String.slice(content, 0..15)
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tags = Props.get_tags(p) |> Enum.join(",")
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published_at =
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if Props.is_published?(p),
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do: NaiveDateTime.local_now(),
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else: nil
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{:ok,
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%{
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content: content,
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name: name,
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tags_string: tags,
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published_at: published_at
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}}
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end
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defp get_hostname(),
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do: URI.parse(ChiyaWeb.Endpoint.url()).host
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end
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