forked from AkkomaGang/akkoma
458 lines
12 KiB
Elixir
458 lines
12 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.CommonAPI.Utils do
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alias Calendar.Strftime
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alias Comeonin.Pbkdf2
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alias Pleroma.Activity
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alias Pleroma.Config
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alias Pleroma.Formatter
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alias Pleroma.Object
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alias Pleroma.Repo
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.Utils
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alias Pleroma.Web.ActivityPub.Visibility
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alias Pleroma.Web.Endpoint
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alias Pleroma.Web.MediaProxy
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require Logger
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# This is a hack for twidere.
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def get_by_id_or_ap_id(id) do
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activity =
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Activity.get_by_id_with_object(id) || Activity.get_create_by_object_ap_id_with_object(id)
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activity &&
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if activity.data["type"] == "Create" do
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activity
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else
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Activity.get_create_by_object_ap_id_with_object(activity.data["object"])
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end
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end
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def get_replied_to_activity(""), do: nil
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def get_replied_to_activity(id) when not is_nil(id) do
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Activity.get_by_id(id)
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end
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def get_replied_to_activity(_), do: nil
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def attachments_from_ids(data) do
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if Map.has_key?(data, "descriptions") do
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attachments_from_ids_descs(data["media_ids"], data["descriptions"])
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else
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attachments_from_ids_no_descs(data["media_ids"])
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end
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end
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def attachments_from_ids_no_descs(ids) do
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Enum.map(ids || [], fn media_id ->
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Repo.get(Object, media_id).data
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end)
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end
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def attachments_from_ids_descs(ids, descs_str) do
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{_, descs} = Jason.decode(descs_str)
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Enum.map(ids || [], fn media_id ->
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Map.put(Repo.get(Object, media_id).data, "name", descs[media_id])
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end)
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end
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def to_for_user_and_mentions(user, mentions, inReplyTo, "public") do
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mentioned_users = Enum.map(mentions, fn {_, %{ap_id: ap_id}} -> ap_id end)
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to = ["https://www.w3.org/ns/activitystreams#Public" | mentioned_users]
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cc = [user.follower_address]
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if inReplyTo do
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{Enum.uniq([inReplyTo.data["actor"] | to]), cc}
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else
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{to, cc}
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end
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end
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def to_for_user_and_mentions(user, mentions, inReplyTo, "unlisted") do
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mentioned_users = Enum.map(mentions, fn {_, %{ap_id: ap_id}} -> ap_id end)
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to = [user.follower_address | mentioned_users]
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cc = ["https://www.w3.org/ns/activitystreams#Public"]
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if inReplyTo do
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{Enum.uniq([inReplyTo.data["actor"] | to]), cc}
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else
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{to, cc}
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end
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end
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def to_for_user_and_mentions(user, mentions, inReplyTo, "private") do
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{to, cc} = to_for_user_and_mentions(user, mentions, inReplyTo, "direct")
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{[user.follower_address | to], cc}
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end
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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)
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if inReplyTo do
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{Enum.uniq([inReplyTo.data["actor"] | mentioned_users]), []}
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else
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{mentioned_users, []}
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end
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end
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def make_poll_data(%{"poll" => %{"options" => options, "expires_in" => expires_in}} = data)
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when is_list(options) and is_integer(expires_in) do
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{poll, emoji} =
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Enum.map_reduce(options, %{}, fn option, emoji ->
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{%{
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"name" => option,
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"type" => "Note",
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"replies" => %{"type" => "Collection", "totalItems" => 0}
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}, Map.merge(emoji, Formatter.get_emoji_map(option))}
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end)
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end_time =
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NaiveDateTime.utc_now()
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|> NaiveDateTime.add(expires_in)
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|> NaiveDateTime.to_iso8601()
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poll =
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if Pleroma.Web.ControllerHelper.truthy_param?(data["poll"]["multiple"]) do
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%{"type" => "Question", "anyOf" => poll, "closed" => end_time}
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else
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%{"type" => "Question", "oneOf" => poll, "closed" => end_time}
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end
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{poll, emoji}
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end
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def make_poll_data(_data) do
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{%{}, %{}}
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end
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def make_content_html(
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status,
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attachments,
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data,
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visibility
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) do
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no_attachment_links =
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data
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|> Map.get("no_attachment_links", Config.get([:instance, :no_attachment_links]))
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|> Kernel.in([true, "true"])
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content_type = get_content_type(data["content_type"])
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options =
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if visibility == "direct" && Config.get([:instance, :safe_dm_mentions]) do
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[safe_mention: true]
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else
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[]
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end
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status
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|> format_input(content_type, options)
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|> maybe_add_attachments(attachments, no_attachment_links)
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|> maybe_add_nsfw_tag(data)
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end
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defp get_content_type(content_type) do
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if Enum.member?(Config.get([:instance, :allowed_post_formats]), content_type) do
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content_type
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else
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"text/plain"
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end
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end
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defp maybe_add_nsfw_tag({text, mentions, tags}, %{"sensitive" => sensitive})
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when sensitive in [true, "True", "true", "1"] do
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{text, mentions, [{"#nsfw", "nsfw"} | tags]}
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end
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defp maybe_add_nsfw_tag(data, _), do: data
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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(parsed, _attachments, true = _no_links), do: parsed
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def maybe_add_attachments({text, mentions, tags}, attachments, _no_links) do
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text = add_attachments(text, attachments)
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{text, mentions, tags}
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end
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def add_attachments(text, attachments) do
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attachment_text =
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Enum.map(attachments, fn
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%{"url" => [%{"href" => href} | _]} = attachment ->
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name = attachment["name"] || URI.decode(Path.basename(href))
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href = MediaProxy.url(href)
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"<a href=\"#{href}\" class='attachment'>#{shortname(name)}</a>"
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_ ->
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""
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end)
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Enum.join([text | attachment_text], "<br>")
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end
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def format_input(text, format, options \\ [])
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@doc """
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Formatting text to plain text.
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"""
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def format_input(text, "text/plain", options) do
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text
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|> Formatter.html_escape("text/plain")
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|> Formatter.linkify(options)
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|> (fn {text, mentions, tags} ->
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{String.replace(text, ~r/\r?\n/, "<br>"), mentions, tags}
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end).()
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end
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@doc """
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Formatting text as BBCode.
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"""
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def format_input(text, "text/bbcode", options) do
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text
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|> String.replace(~r/\r/, "")
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|> Formatter.html_escape("text/plain")
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|> BBCode.to_html()
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|> (fn {:ok, html} -> html end).()
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|> Formatter.linkify(options)
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end
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@doc """
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Formatting text to html.
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"""
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def format_input(text, "text/html", options) do
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text
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|> Formatter.html_escape("text/html")
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|> Formatter.linkify(options)
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end
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@doc """
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Formatting text to markdown.
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"""
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def format_input(text, "text/markdown", options) do
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text
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|> Formatter.mentions_escape(options)
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|> Earmark.as_html!()
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|> Formatter.linkify(options)
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|> Formatter.html_escape("text/html")
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end
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def make_note_data(
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actor,
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to,
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context,
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content_html,
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attachments,
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in_reply_to,
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tags,
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cw \\ nil,
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cc \\ [],
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sensitive \\ false,
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merge \\ %{}
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) do
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object = %{
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"type" => "Note",
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"to" => to,
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"cc" => cc,
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"content" => content_html,
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"summary" => cw,
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"sensitive" => !Enum.member?(["false", "False", "0", false], sensitive),
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"context" => context,
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"attachment" => attachments,
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"actor" => actor,
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"tag" => tags |> Enum.map(fn {_, tag} -> tag end) |> Enum.uniq()
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}
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object =
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with false <- is_nil(in_reply_to),
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%Object{} = in_reply_to_object <- Object.normalize(in_reply_to) do
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Map.put(object, "inReplyTo", in_reply_to_object.data["id"])
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else
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_ -> object
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end
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Map.merge(object, merge)
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end
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def format_naive_asctime(date) do
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date |> DateTime.from_naive!("Etc/UTC") |> format_asctime
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end
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def format_asctime(date) do
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Strftime.strftime!(date, "%a %b %d %H:%M:%S %z %Y")
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end
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def date_to_asctime(date) when is_binary(date) do
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with {:ok, date, _offset} <- DateTime.from_iso8601(date) do
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format_asctime(date)
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else
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_e ->
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Logger.warn("Date #{date} in wrong format, must be ISO 8601")
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""
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end
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end
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def date_to_asctime(date) do
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Logger.warn("Date #{date} in wrong format, must be ISO 8601")
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""
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end
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def to_masto_date(%NaiveDateTime{} = date) do
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date
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|> NaiveDateTime.to_iso8601()
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|> String.replace(~r/(\.\d+)?$/, ".000Z", global: false)
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end
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def to_masto_date(date) do
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try do
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date
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|> NaiveDateTime.from_iso8601!()
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|> NaiveDateTime.to_iso8601()
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|> String.replace(~r/(\.\d+)?$/, ".000Z", global: false)
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rescue
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_e -> ""
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end
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end
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defp shortname(name) do
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if String.length(name) < 30 do
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name
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else
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String.slice(name, 0..30) <> "…"
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end
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end
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def confirm_current_password(user, password) do
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with %User{local: true} = db_user <- User.get_cached_by_id(user.id),
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true <- Pbkdf2.checkpw(password, db_user.password_hash) do
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{:ok, db_user}
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else
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_ -> {:error, "Invalid password."}
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end
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end
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def emoji_from_profile(%{info: _info} = user) do
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(Formatter.get_emoji(user.bio) ++ Formatter.get_emoji(user.name))
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|> Enum.map(fn {shortcode, url, _} ->
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%{
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"type" => "Emoji",
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"icon" => %{"type" => "Image", "url" => "#{Endpoint.url()}#{url}"},
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"name" => ":#{shortcode}:"
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}
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end)
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end
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def maybe_notify_to_recipients(
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recipients,
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%Activity{data: %{"to" => to, "type" => _type}} = _activity
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) do
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recipients ++ to
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end
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def maybe_notify_mentioned_recipients(
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recipients,
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%Activity{data: %{"to" => _to, "type" => type} = data} = activity
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)
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when type == "Create" do
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object = Object.normalize(activity)
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object_data =
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cond do
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!is_nil(object) ->
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object.data
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is_map(data["object"]) ->
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data["object"]
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true ->
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%{}
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end
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tagged_mentions = maybe_extract_mentions(object_data)
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recipients ++ tagged_mentions
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end
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def maybe_notify_mentioned_recipients(recipients, _), do: recipients
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def maybe_notify_subscribers(
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recipients,
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%Activity{data: %{"actor" => actor, "type" => type}} = activity
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)
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when type == "Create" do
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with %User{} = user <- User.get_cached_by_ap_id(actor) do
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subscriber_ids =
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user
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|> User.subscribers()
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|> Enum.filter(&Visibility.visible_for_user?(activity, &1))
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|> Enum.map(& &1.ap_id)
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recipients ++ subscriber_ids
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end
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end
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def maybe_notify_subscribers(recipients, _), do: recipients
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def maybe_extract_mentions(%{"tag" => tag}) do
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tag
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|> Enum.filter(fn x -> is_map(x) end)
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|> Enum.filter(fn x -> x["type"] == "Mention" end)
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|> Enum.map(fn x -> x["href"] end)
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end
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def maybe_extract_mentions(_), do: []
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def make_report_content_html(nil), do: {:ok, {nil, [], []}}
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def make_report_content_html(comment) do
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max_size = Pleroma.Config.get([:instance, :max_report_comment_size], 1000)
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if String.length(comment) <= max_size do
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{:ok, format_input(comment, "text/plain")}
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else
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{:error, "Comment must be up to #{max_size} characters"}
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end
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end
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def get_report_statuses(%User{ap_id: actor}, %{"status_ids" => status_ids}) do
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{:ok, Activity.all_by_actor_and_id(actor, status_ids)}
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end
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def get_report_statuses(_, _), do: {:ok, nil}
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# DEPRECATED mostly, context objects are now created at insertion time.
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def context_to_conversation_id(context) do
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with %Object{id: id} <- Object.get_cached_by_ap_id(context) do
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id
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else
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_e ->
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changeset = Object.context_mapping(context)
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case Repo.insert(changeset) do
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{:ok, %{id: id}} ->
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id
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# This should be solved by an upsert, but it seems ecto
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# has problems accessing the constraint inside the jsonb.
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{:error, _} ->
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Object.get_cached_by_ap_id(context).id
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end
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end
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end
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def conversation_id_to_context(id) do
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with %Object{data: %{"id" => context}} <- Repo.get(Object, id) do
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context
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else
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_e ->
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{:error, "No such conversation"}
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end
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end
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end
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