- magic_key = XML.string_from_xpath(~s{//Link[@rel="magic-public-key"]/@href}, doc)
- "data:application/magic-public-key," <> magic_key = magic_key
- topic = XML.string_from_xpath(~s{//Link[@rel="http://schemas.google.com/g/2010#updates-from"]/@href}, doc)
- subject = XML.string_from_xpath("//Subject", doc)
- salmon = XML.string_from_xpath(~s{//Link[@rel="salmon"]/@href}, doc)
- data = %{
- "magic_key" => magic_key,
- "topic" => topic,
- "subject" => subject,
- "salmon" => salmon
- }
+ with magic_key <- XML.string_from_xpath(~s{//Link[@rel="magic-public-key"]/@href}, doc),
+ {:ok, magic_key} <- get_magic_key(magic_key),
+ topic <-
+ XML.string_from_xpath(
+ ~s{//Link[@rel="http://schemas.google.com/g/2010#updates-from"]/@href},
+ doc
+ ),
+ subject <- XML.string_from_xpath("//Subject", doc),
+ salmon <- XML.string_from_xpath(~s{//Link[@rel="salmon"]/@href}, doc),
+ subscribe_address <-
+ XML.string_from_xpath(
+ ~s{//Link[@rel="http://ostatus.org/schema/1.0/subscribe"]/@template},
+ doc
+ ),
+ ap_id <-
+ XML.string_from_xpath(
+ ~s{//Link[@rel="self" and @type="application/activity+json"]/@href},
+ doc
+ ) do
+ data = %{
+ "magic_key" => magic_key,
+ "topic" => topic,
+ "subject" => subject,
+ "salmon" => salmon,
+ "subscribe_address" => subscribe_address,
+ "ap_id" => ap_id
+ }
+
+ {:ok, data}
+ else
+ {:error, e} ->
+ {:error, e}
+
+ e ->
+ {:error, e}
+ end
+ end
+
+ defp webfinger_from_json(doc) do
+ data =
+ Enum.reduce(doc["links"], %{"subject" => doc["subject"]}, fn link, data ->
+ case {link["type"], link["rel"]} do
+ {"application/activity+json", "self"} ->
+ Map.put(data, "ap_id", link["href"])
+
+ {"application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"", "self"} ->
+ Map.put(data, "ap_id", link["href"])
+
+ {_, "magic-public-key"} ->
+ "data:application/magic-public-key," <> magic_key = link["href"]
+ Map.put(data, "magic_key", magic_key)
+
+ {"application/atom+xml", "http://schemas.google.com/g/2010#updates-from"} ->
+ Map.put(data, "topic", link["href"])
+
+ {_, "salmon"} ->
+ Map.put(data, "salmon", link["href"])
+
+ {_, "http://ostatus.org/schema/1.0/subscribe"} ->
+ Map.put(data, "subscribe_address", link["template"])
+
+ _ ->
+ Logger.debug("Unhandled type: #{inspect(link["type"])}")
+ data
+ end
+ end)
+