Pleroma/lib/pleroma/web/common_api/utils.ex

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defmodule Pleroma.Web.CommonAPI.Utils do
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alias Pleroma.{Repo, Object, Formatter, User, Activity}
alias Pleroma.Web.ActivityPub.Utils
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alias Calendar.Strftime
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# This is a hack for twidere.
def get_by_id_or_ap_id(id) do
activity = Repo.get(Activity, id) || Activity.get_create_activity_by_object_ap_id(id)
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if activity.data["type"] == "Create" do
activity
else
Activity.get_create_activity_by_object_ap_id(activity.data["object"])
end
end
def get_replied_to_activity(id) when not is_nil(id) do
Repo.get(Activity, id)
end
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def get_replied_to_activity(_), do: nil
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def attachments_from_ids(ids) do
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Enum.map(ids || [], fn media_id ->
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Repo.get(Object, media_id).data
end)
end
def to_for_user_and_mentions(user, mentions, inReplyTo, "public") do
to = ["https://www.w3.org/ns/activitystreams#Public"]
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mentioned_users = Enum.map(mentions, fn {_, %{ap_id: ap_id}} -> ap_id end)
cc = [user.follower_address | mentioned_users]
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if inReplyTo do
{to, Enum.uniq([inReplyTo.data["actor"] | cc])}
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else
{to, cc}
end
end
def to_for_user_and_mentions(user, mentions, inReplyTo, "unlisted") do
{to, cc} = to_for_user_and_mentions(user, mentions, inReplyTo, "public")
{cc, to}
end
def to_for_user_and_mentions(user, mentions, inReplyTo, "private") do
{to, cc} = to_for_user_and_mentions(user, mentions, inReplyTo, "direct")
{[user.follower_address | to], cc}
end
def to_for_user_and_mentions(user, mentions, inReplyTo, "direct") do
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mentioned_users = Enum.map(mentions, fn {_, %{ap_id: ap_id}} -> ap_id end)
if inReplyTo do
{Enum.uniq([inReplyTo.data["actor"] | mentioned_users]), []}
else
{mentioned_users, []}
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end
end
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def make_content_html(status, mentions, attachments, tags, no_attachment_links \\ false) do
status
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|> format_input(mentions, tags)
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|> maybe_add_attachments(attachments, no_attachment_links)
end
def make_context(%Activity{data: %{"context" => context}}), do: context
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def make_context(_), do: Utils.generate_context_id()
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def maybe_add_attachments(text, attachments, _no_links = true), do: text
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def maybe_add_attachments(text, attachments, _no_links) do
add_attachments(text, attachments)
end
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def add_attachments(text, attachments) do
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attachment_text =
Enum.map(attachments, fn
%{"url" => [%{"href" => href} | _]} ->
name = URI.decode(Path.basename(href))
"<a href=\"#{href}\" class='attachment'>#{shortname(name)}</a>"
_ ->
""
end)
Enum.join([text | attachment_text], "<br>")
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end
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def format_input(text, mentions, tags) do
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text
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|> Formatter.html_escape()
|> String.replace("\n", "<br>")
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|> (&{[], &1}).()
|> Formatter.add_links()
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|> Formatter.add_user_links(mentions)
|> Formatter.add_hashtag_links(tags)
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|> Formatter.finalize()
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end
def add_tag_links(text, tags) do
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tags =
tags
|> Enum.sort_by(fn {tag, _} -> -String.length(tag) end)
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Enum.reduce(tags, text, fn {full, tag}, text ->
url = "#<a href='#{Pleroma.Web.base_url()}/tag/#{tag}' rel='tag'>#{tag}</a>"
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String.replace(text, full, url)
end)
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end
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def make_note_data(
actor,
to,
context,
content_html,
attachments,
inReplyTo,
tags,
cw \\ nil,
cc \\ []
) do
object = %{
"type" => "Note",
"to" => to,
"cc" => cc,
"content" => content_html,
"summary" => cw,
"context" => context,
"attachment" => attachments,
"actor" => actor,
"tag" => tags |> Enum.map(fn {_, tag} -> tag end)
}
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if inReplyTo do
object
|> Map.put("inReplyTo", inReplyTo.data["object"]["id"])
|> Map.put("inReplyToStatusId", inReplyTo.id)
else
object
end
end
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def format_naive_asctime(date) do
date |> DateTime.from_naive!("Etc/UTC") |> format_asctime
end
def format_asctime(date) do
Strftime.strftime!(date, "%a %b %d %H:%M:%S %z %Y")
end
def date_to_asctime(date) do
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with {:ok, date, _offset} <- date |> DateTime.from_iso8601() do
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format_asctime(date)
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else
_e ->
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""
end
end
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def to_masto_date(%NaiveDateTime{} = date) do
date
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|> NaiveDateTime.to_iso8601()
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|> String.replace(~r/(\.\d+)?$/, ".000Z", global: false)
end
def to_masto_date(date) do
try do
date
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|> NaiveDateTime.from_iso8601!()
|> NaiveDateTime.to_iso8601()
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|> String.replace(~r/(\.\d+)?$/, ".000Z", global: false)
rescue
_e -> ""
end
end
defp shortname(name) do
if String.length(name) < 30 do
name
else
String.slice(name, 0..30) <> ""
end
end
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end