# Pleroma: A lightweight social networking server # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.CommonAPI.Utils do alias Calendar.Strftime alias Comeonin.Pbkdf2 alias Pleroma.{Activity, Formatter, Object, Repo} alias Pleroma.User alias Pleroma.Web alias Pleroma.Web.ActivityPub.Utils alias Pleroma.Web.Endpoint alias Pleroma.Web.MediaProxy # This is a hack for twidere. def get_by_id_or_ap_id(id) do activity = Repo.get(Activity, id) || Activity.get_create_by_object_ap_id(id) activity && if activity.data["type"] == "Create" do activity else Activity.get_create_by_object_ap_id(activity.data["object"]) end end def get_replied_to_activity(""), do: nil def get_replied_to_activity(id) when not is_nil(id) do Repo.get(Activity, id) end def get_replied_to_activity(_), do: nil def attachments_from_ids(ids) do Enum.map(ids || [], fn media_id -> Repo.get(Object, media_id).data end) end def to_for_user_and_mentions(user, mentions, inReplyTo, "public") do mentioned_users = Enum.map(mentions, fn {_, %{ap_id: ap_id}} -> ap_id end) to = ["https://www.w3.org/ns/activitystreams#Public" | mentioned_users] cc = [user.follower_address] if inReplyTo do {Enum.uniq([inReplyTo.data["actor"] | to]), cc} else {to, cc} end end def to_for_user_and_mentions(user, mentions, inReplyTo, "unlisted") do mentioned_users = Enum.map(mentions, fn {_, %{ap_id: ap_id}} -> ap_id end) to = [user.follower_address | mentioned_users] cc = ["https://www.w3.org/ns/activitystreams#Public"] if inReplyTo do {Enum.uniq([inReplyTo.data["actor"] | to]), cc} else {to, cc} end 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 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, []} end end def make_content_html( status, mentions, attachments, tags, content_type, no_attachment_links \\ false ) do status |> format_input(mentions, tags, content_type) |> maybe_add_attachments(attachments, no_attachment_links) end def make_context(%Activity{data: %{"context" => context}}), do: context def make_context(_), do: Utils.generate_context_id() def maybe_add_attachments(text, _attachments, _no_links = true), do: text def maybe_add_attachments(text, attachments, _no_links) do add_attachments(text, attachments) end def add_attachments(text, attachments) do attachment_text = Enum.map(attachments, fn %{"url" => [%{"href" => href} | _]} = attachment -> name = attachment["name"] || URI.decode(Path.basename(href)) href = MediaProxy.url(href) "<a href=\"#{href}\" class='attachment'>#{shortname(name)}</a>" _ -> "" end) Enum.join([text | attachment_text], "<br>") end def format_input(text, mentions, tags, format, options \\ []) @doc """ Formatting text to plain text. """ def format_input(text, mentions, tags, "text/plain", options) do text |> Formatter.html_escape("text/plain") |> String.replace(~r/\r?\n/, "<br>") |> (&{[], &1}).() |> Formatter.add_links() |> Formatter.add_user_links(mentions, options[:user_links] || []) |> Formatter.add_hashtag_links(tags) |> Formatter.finalize() end @doc """ Formatting text to html. """ def format_input(text, mentions, _tags, "text/html", options) do text |> Formatter.html_escape("text/html") |> (&{[], &1}).() |> Formatter.add_user_links(mentions, options[:user_links] || []) |> Formatter.finalize() end @doc """ Formatting text to markdown. """ def format_input(text, mentions, tags, "text/markdown", options) do text |> Formatter.mentions_escape(mentions) |> Earmark.as_html!() |> Formatter.html_escape("text/html") |> (&{[], &1}).() |> Formatter.add_user_links(mentions, options[:user_links] || []) |> Formatter.add_hashtag_links(tags) |> Formatter.finalize() end def add_tag_links(text, tags) do tags = tags |> Enum.sort_by(fn {tag, _} -> -String.length(tag) end) Enum.reduce(tags, text, fn {full, tag}, text -> url = "<a href='#{Web.base_url()}/tag/#{tag}' rel='tag'>##{tag}</a>" String.replace(text, full, url) end) end 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) |> Enum.uniq() } if inReplyTo do object |> Map.put("inReplyTo", inReplyTo.data["object"]["id"]) |> Map.put("inReplyToStatusId", inReplyTo.id) else object end end 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 with {:ok, date, _offset} <- date |> DateTime.from_iso8601() do format_asctime(date) else _e -> "" end end def to_masto_date(%NaiveDateTime{} = date) do date |> NaiveDateTime.to_iso8601() |> String.replace(~r/(\.\d+)?$/, ".000Z", global: false) end def to_masto_date(date) do try do date |> NaiveDateTime.from_iso8601!() |> NaiveDateTime.to_iso8601() |> String.replace(~r/(\.\d+)?$/, ".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 def confirm_current_password(user, password) do with %User{local: true} = db_user <- Repo.get(User, user.id), true <- Pbkdf2.checkpw(password, db_user.password_hash) do {:ok, db_user} else _ -> {:error, "Invalid password."} end end def emoji_from_profile(%{info: _info} = user) do (Formatter.get_emoji(user.bio) ++ Formatter.get_emoji(user.name)) |> Enum.map(fn {shortcode, url} -> %{ "type" => "Emoji", "icon" => %{"type" => "Image", "url" => "#{Endpoint.url()}#{url}"}, "name" => ":#{shortcode}:" } end) end def maybe_notify_to_recipients( recipients, %Activity{data: %{"to" => to, "type" => _type}} = _activity ) do recipients ++ to end def maybe_notify_mentioned_recipients( recipients, %Activity{data: %{"to" => _to, "type" => type} = data} = _activity ) when type == "Create" do object = Object.normalize(data["object"]) object_data = cond do !is_nil(object) -> object.data is_map(data["object"]) -> data["object"] true -> %{} end tagged_mentions = maybe_extract_mentions(object_data) recipients ++ tagged_mentions end def maybe_notify_mentioned_recipients(recipients, _), do: recipients def maybe_extract_mentions(%{"tag" => tag}) do tag |> Enum.filter(fn x -> is_map(x) end) |> Enum.filter(fn x -> x["type"] == "Mention" end) |> Enum.map(fn x -> x["href"] end) end def maybe_extract_mentions(_), do: [] end