Pleroma/lib/pleroma/web/xml.ex

46 lines
990 B
Elixir
Raw Normal View History

# Pleroma: A lightweight social networking server
2020-03-03 23:44:49 +01:00
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
2017-04-27 09:43:58 +02:00
defmodule Pleroma.Web.XML do
2017-06-24 14:35:32 +02:00
require Logger
2017-11-19 02:22:07 +01:00
def string_from_xpath(_, :error), do: nil
2018-03-30 15:01:53 +02:00
2017-04-27 09:43:58 +02:00
def string_from_xpath(xpath, doc) do
try do
{:xmlObj, :string, res} = :xmerl_xpath.string('string(#{xpath})', doc)
2017-04-27 09:43:58 +02:00
res =
res
|> to_string
|> String.trim()
2017-04-27 09:43:58 +02:00
if res == "", do: nil, else: res
catch
_e ->
Logger.debug("Couldn't find xpath #{xpath} in XML doc")
nil
end
2017-04-27 09:43:58 +02:00
end
def parse_document(text) do
2017-06-24 14:35:32 +02:00
try do
2018-03-30 15:01:53 +02:00
{doc, _rest} =
text
|> :binary.bin_to_list()
2018-12-11 13:31:52 +01:00
|> :xmerl_scan.string(quiet: true)
2017-04-27 09:43:58 +02:00
2017-06-24 14:35:32 +02:00
doc
2018-12-09 10:12:48 +01:00
rescue
_e ->
2018-03-19 18:51:31 +01:00
Logger.debug("Couldn't parse XML: #{inspect(text)}")
2017-06-24 14:35:32 +02:00
:error
2018-12-09 10:12:48 +01:00
catch
:exit, _error ->
2018-06-01 19:55:25 +02:00
Logger.debug("Couldn't parse XML: #{inspect(text)}")
:error
2017-06-24 14:35:32 +02:00
end
2017-04-27 09:43:58 +02:00
end
end