Implement RFC2822 timestamp formatting

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Mark Felder 2022-11-15 11:45:32 -05:00 committed by faried nawaz
parent 3f0783c0a5
commit f3253c0c6a
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2 changed files with 38 additions and 10 deletions

View File

@ -14,6 +14,9 @@ defmodule Pleroma.Web.Feed.FeedView do
require Pleroma.Constants
@days ~w(Mon Tue Wed Thu Fri Sat Sun)
@months ~w(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec)
@spec pub_date(String.t() | DateTime.t()) :: String.t()
def pub_date(date) when is_binary(date) do
date
@ -21,7 +24,7 @@ def pub_date(date) when is_binary(date) do
|> pub_date
end
def pub_date(%DateTime{} = date), do: to_rfc1123(date)
def pub_date(%DateTime{} = date), do: to_rfc2822(date)
def prepare_activity(activity, opts \\ []) do
object = Object.normalize(activity, fetch: false)
@ -52,7 +55,7 @@ def most_recent_update(activities, user, :atom) do
def most_recent_update(activities, user, :rss) do
(List.first(activities) || user).updated_at
|> to_rfc1123()
|> to_rfc2822()
end
def feed_logo do
@ -152,21 +155,46 @@ def to_rfc3339(nd) do
|> Timex.format!("{RFC3339}")
end
@spec to_rfc1123(String.t() | DateTime.t() | NativeDateTime.t()) :: String.t()
def to_rfc1123(datestr) when is_binary(datestr) do
@spec to_rfc2822(String.t() | DateTime.t() | NativeDateTime.t()) :: String.t()
def to_rfc2822(datestr) when is_binary(datestr) do
datestr
|> Timex.parse!("{ISO:Extended}")
|> to_rfc1123()
|> to_rfc2822()
end
def to_rfc1123(%DateTime{} = date) do
def to_rfc2822(%DateTime{} = date) do
date
|> Timex.format!("{RFC1123}")
|> DateTime.to_naive()
|> NaiveDateTime.to_erl()
|> rfc2822_from_erl()
end
def to_rfc1123(nd) do
def to_rfc2822(nd) do
nd
|> Timex.to_datetime()
|> Timex.format!("{RFC1123}")
|> DateTime.to_naive()
|> NaiveDateTime.to_erl()
|> rfc2822_from_erl()
end
@doc """
Builds a RFC2822 timestamp from an Erlang timestamp
[RFC2822 3.3 - Date and Time Specification](https://tools.ietf.org/html/rfc2822#section-3.3)
This function always assumes the Erlang timestamp is in Universal time, not Local time
"""
def rfc2822_from_erl({{year, month, day} = date, {hour, minute, second}}) do
day_name = Enum.at(@days, :calendar.day_of_the_week(date) - 1)
month_name = Enum.at(@months, month - 1)
date_part = "#{day_name}, #{day} #{month_name} #{year}"
time_part = "#{pad(hour)}:#{pad(minute)}:#{pad(second)}"
date_part <> " " <> time_part <> " +0000"
end
defp pad(num) do
num
|> Integer.to_string()
|> String.pad_leading(2, "0")
end
end

View File

@ -4,7 +4,7 @@
<guid><%= @data["id"] %></guid>
<title><%= activity_title(@data, Keyword.get(@feed_config, :post_title, %{})) %></title>
<description><%= activity_description(@data) %></description>
<pubDate><%= to_rfc1123(@activity.data["published"]) %></pubDate>
<pubDate><%= to_rfc2822(@activity.data["published"]) %></pubDate>
<ostatus:conversation ref="<%= activity_context(@activity) %>">
<%= activity_context(@activity) %>
</ostatus:conversation>