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webfinger: implement json response parsing

This commit is contained in:
William Pitcock 2018-03-21 18:53:36 +00:00
parent 1decd2ecb2
commit 4d3af2af71
1 changed files with 24 additions and 6 deletions
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30
lib/pleroma/web/web_finger/web_finger.ex
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@ -4,6 +4,7 @@ defmodule Pleroma.Web.WebFinger do
alias Pleroma.{Repo, User, XmlBuilder}
alias Pleroma.Web
alias Pleroma.Web.{XML, Salmon, OStatus}
require Poison
require Logger
def host_meta do
@ -117,6 +118,19 @@ defp webfinger_from_xml(doc) do
{:ok, data}
end
# TODO: maybe fill in other details from JRD webfinger response
defp webfinger_from_json(doc) do
data = Enum.reduce(doc["links"], %{"subject" => doc["subject"]}, fn (link, data) ->
case link["type"] do
"application/activity+json" ->
Map.put(data, "ap_id", link["href"])
_ ->
Logger.debug("Unhandled type: #{inspect(link["type"])}")
end
end)
{:ok, data}
end
def get_template_from_xml(body) do
xpath = "//Link[@rel='lrdd' and @type='application/xrd+xml']/@template"
with doc when doc != :error <- XML.parse_document(body),
@ -150,14 +164,18 @@ def finger(account) do
{:ok, template} ->
address = String.replace(template, "{uri}", URI.encode(account))
_ ->
address = "http://#{domain}/.well-known/webfinger?resource=#{account}"
address = "http://#{domain}/.well-known/webfinger?resource=acct:#{account}"
end
with response <- @httpoison.get(address, ["Accept": "application/xrd+xml"]),
{:ok, %{status_code: status_code, body: body}} when status_code in 200..299 <- response,
doc when doc != :error<- XML.parse_document(body),
{:ok, data} <- webfinger_from_xml(doc) do
{:ok, data}
with response <- @httpoison.get(address, ["Accept": "application/xrd+xml,application/jrd+json"], follow_redirect: true),
{:ok, %{status_code: status_code, body: body}} when status_code in 200..299 <- response do
doc = XML.parse_document(body)
if doc != :error do
webfinger_from_xml(doc)
else
{:ok, doc} = Poison.decode(body)
webfinger_from_json(doc)
end
else
e ->
Logger.debug(fn -> "Couldn't finger #{account}" end)