akkoma/lib/pleroma/web/mastodon_api/views/status_view.ex
Haelwenn 46ae62d159 Merge branch 'patch-5' into 'develop'
Mastodon API: URI encode hashtag name in generated URLs

See merge request 
2019-09-11 17:47:19 +00:00

542 lines
16 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.MastodonAPI.StatusView do
use Pleroma.Web, :view
require Pleroma.Constants
alias Pleroma.Activity
alias Pleroma.ActivityExpiration
alias Pleroma.Conversation
alias Pleroma.Conversation.Participation
alias Pleroma.HTML
alias Pleroma.Object
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Web.CommonAPI
alias Pleroma.Web.CommonAPI.Utils
alias Pleroma.Web.MastodonAPI.AccountView
alias Pleroma.Web.MastodonAPI.StatusView
alias Pleroma.Web.MediaProxy
import Pleroma.Web.ActivityPub.Visibility, only: [get_visibility: 1]
# TODO: Add cached version.
defp get_replied_to_activities([]), do: %{}
defp get_replied_to_activities(activities) do
activities
|> Enum.map(fn
%{data: %{"type" => "Create"}} = activity ->
object = Object.normalize(activity)
object && object.data["inReplyTo"] != "" && object.data["inReplyTo"]
_ ->
nil
end)
|> Enum.filter(& &1)
|> Activity.create_by_object_ap_id_with_object()
|> Repo.all()
|> Enum.reduce(%{}, fn activity, acc ->
object = Object.normalize(activity)
if object, do: Map.put(acc, object.data["id"], activity), else: acc
end)
end
defp get_user(ap_id) do
cond do
user = User.get_cached_by_ap_id(ap_id) ->
user
user = User.get_by_guessed_nickname(ap_id) ->
user
true ->
User.error_user(ap_id)
end
end
defp get_context_id(%{data: %{"context_id" => context_id}}) when not is_nil(context_id),
do: context_id
defp get_context_id(%{data: %{"context" => context}}) when is_binary(context),
do: Utils.context_to_conversation_id(context)
defp get_context_id(_), do: nil
defp reblogged?(activity, user) do
object = Object.normalize(activity) || %{}
present?(user && user.ap_id in (object.data["announcements"] || []))
end
def render("index.json", opts) do
replied_to_activities = get_replied_to_activities(opts.activities)
opts.activities
|> safe_render_many(
StatusView,
"status.json",
Map.put(opts, :replied_to_activities, replied_to_activities)
)
end
def render(
"status.json",
%{activity: %{data: %{"type" => "Announce", "object" => _object}} = activity} = opts
) do
user = get_user(activity.data["actor"])
created_at = Utils.to_masto_date(activity.data["published"])
activity_object = Object.normalize(activity)
reblogged_activity =
Activity.create_by_object_ap_id(activity_object.data["id"])
|> Activity.with_preloaded_bookmark(opts[:for])
|> Activity.with_set_thread_muted_field(opts[:for])
|> Repo.one()
reblogged = render("status.json", Map.put(opts, :activity, reblogged_activity))
favorited = opts[:for] && opts[:for].ap_id in (activity_object.data["likes"] || [])
bookmarked = Activity.get_bookmark(reblogged_activity, opts[:for]) != nil
mentions =
activity.recipients
|> Enum.map(fn ap_id -> User.get_cached_by_ap_id(ap_id) end)
|> Enum.filter(& &1)
|> Enum.map(fn user -> AccountView.render("mention.json", %{user: user}) end)
%{
id: to_string(activity.id),
uri: activity_object.data["id"],
url: activity_object.data["id"],
account: AccountView.render("account.json", %{user: user, for: opts[:for]}),
in_reply_to_id: nil,
in_reply_to_account_id: nil,
reblog: reblogged,
content: reblogged[:content] || "",
created_at: created_at,
reblogs_count: 0,
replies_count: 0,
favourites_count: 0,
reblogged: reblogged?(reblogged_activity, opts[:for]),
favourited: present?(favorited),
bookmarked: present?(bookmarked),
muted: false,
pinned: pinned?(activity, user),
sensitive: false,
spoiler_text: "",
visibility: "public",
media_attachments: reblogged[:media_attachments] || [],
mentions: mentions,
tags: reblogged[:tags] || [],
application: %{
name: "Web",
website: nil
},
language: nil,
emojis: [],
pleroma: %{
local: activity.local
}
}
end
def render("status.json", %{activity: %{data: %{"object" => _object}} = activity} = opts) do
object = Object.normalize(activity)
user = get_user(activity.data["actor"])
user_follower_address = user.follower_address
like_count = object.data["like_count"] || 0
announcement_count = object.data["announcement_count"] || 0
tags = object.data["tag"] || []
sensitive = object.data["sensitive"] || Enum.member?(tags, "nsfw")
tag_mentions =
tags
|> Enum.filter(fn tag -> is_map(tag) and tag["type"] == "Mention" end)
|> Enum.map(fn tag -> tag["href"] end)
mentions =
(object.data["to"] ++ tag_mentions)
|> Enum.uniq()
|> Enum.map(fn
Pleroma.Constants.as_public() -> nil
^user_follower_address -> nil
ap_id -> User.get_cached_by_ap_id(ap_id)
end)
|> Enum.filter(& &1)
|> Enum.map(fn user -> AccountView.render("mention.json", %{user: user}) end)
favorited = opts[:for] && opts[:for].ap_id in (object.data["likes"] || [])
bookmarked = Activity.get_bookmark(activity, opts[:for]) != nil
client_posted_this_activity = opts[:for] && user.id == opts[:for].id
expires_at =
with true <- client_posted_this_activity,
expiration when not is_nil(expiration) <-
ActivityExpiration.get_by_activity_id(activity.id) do
expiration.scheduled_at
end
thread_muted? =
case activity.thread_muted? do
thread_muted? when is_boolean(thread_muted?) -> thread_muted?
nil -> (opts[:for] && CommonAPI.thread_muted?(opts[:for], activity)) || false
end
attachment_data = object.data["attachment"] || []
attachments = render_many(attachment_data, StatusView, "attachment.json", as: :attachment)
created_at = Utils.to_masto_date(object.data["published"])
reply_to = get_reply_to(activity, opts)
reply_to_user = reply_to && get_user(reply_to.data["actor"])
content =
object
|> render_content()
content_html =
content
|> HTML.get_cached_scrubbed_html_for_activity(
User.html_filter_policy(opts[:for]),
activity,
"mastoapi:content"
)
content_plaintext =
content
|> HTML.get_cached_stripped_html_for_activity(
activity,
"mastoapi:content"
)
summary = object.data["summary"] || ""
summary_html =
summary
|> HTML.get_cached_scrubbed_html_for_activity(
User.html_filter_policy(opts[:for]),
activity,
"mastoapi:summary"
)
summary_plaintext =
summary
|> HTML.get_cached_stripped_html_for_activity(
activity,
"mastoapi:summary"
)
card = render("card.json", Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity))
url =
if user.local do
Pleroma.Web.Router.Helpers.o_status_url(Pleroma.Web.Endpoint, :notice, activity)
else
object.data["url"] || object.data["external_url"] || object.data["id"]
end
direct_conversation_id =
with {_, true} <- {:include_id, opts[:with_direct_conversation_id]},
{_, %User{} = for_user} <- {:for_user, opts[:for]},
%{data: %{"context" => context}} when is_binary(context) <- activity,
%Conversation{} = conversation <- Conversation.get_for_ap_id(context),
%Participation{id: participation_id} <-
Participation.for_user_and_conversation(for_user, conversation) do
participation_id
else
_e ->
nil
end
%{
id: to_string(activity.id),
uri: object.data["id"],
url: url,
account: AccountView.render("account.json", %{user: user, for: opts[:for]}),
in_reply_to_id: reply_to && to_string(reply_to.id),
in_reply_to_account_id: reply_to_user && to_string(reply_to_user.id),
reblog: nil,
card: card,
content: content_html,
created_at: created_at,
reblogs_count: announcement_count,
replies_count: object.data["repliesCount"] || 0,
favourites_count: like_count,
reblogged: reblogged?(activity, opts[:for]),
favourited: present?(favorited),
bookmarked: present?(bookmarked),
muted: thread_muted? || User.mutes?(opts[:for], user),
pinned: pinned?(activity, user),
sensitive: sensitive,
spoiler_text: summary_html,
visibility: get_visibility(object),
media_attachments: attachments,
poll: render("poll.json", %{object: object, for: opts[:for]}),
mentions: mentions,
tags: build_tags(tags),
application: %{
name: "Web",
website: nil
},
language: nil,
emojis: build_emojis(object.data["emoji"]),
pleroma: %{
local: activity.local,
conversation_id: get_context_id(activity),
in_reply_to_account_acct: reply_to_user && reply_to_user.nickname,
content: %{"text/plain" => content_plaintext},
spoiler_text: %{"text/plain" => summary_plaintext},
expires_at: expires_at,
direct_conversation_id: direct_conversation_id,
thread_muted: thread_muted?
}
}
end
def render("status.json", _) do
nil
end
def render("card.json", %{rich_media: rich_media, page_url: page_url}) do
page_url_data = URI.parse(page_url)
page_url_data =
if rich_media[:url] != nil do
URI.merge(page_url_data, URI.parse(rich_media[:url]))
else
page_url_data
end
page_url = page_url_data |> to_string
image_url =
if rich_media[:image] != nil do
URI.merge(page_url_data, URI.parse(rich_media[:image]))
|> to_string
else
nil
end
site_name = rich_media[:site_name] || page_url_data.host
%{
type: "link",
provider_name: site_name,
provider_url: page_url_data.scheme <> "://" <> page_url_data.host,
url: page_url,
image: image_url |> MediaProxy.url(),
title: rich_media[:title] || "",
description: rich_media[:description] || "",
pleroma: %{
opengraph: rich_media
}
}
end
def render("card.json", _) do
nil
end
def render("attachment.json", %{attachment: attachment}) do
[attachment_url | _] = attachment["url"]
media_type = attachment_url["mediaType"] || attachment_url["mimeType"] || "image"
href = attachment_url["href"] |> MediaProxy.url()
type =
cond do
String.contains?(media_type, "image") -> "image"
String.contains?(media_type, "video") -> "video"
String.contains?(media_type, "audio") -> "audio"
true -> "unknown"
end
<<hash_id::signed-32, _rest::binary>> = :crypto.hash(:md5, href)
%{
id: to_string(attachment["id"] || hash_id),
url: href,
remote_url: href,
preview_url: href,
text_url: href,
type: type,
description: attachment["name"],
pleroma: %{mime_type: media_type}
}
end
def render("poll.json", %{object: object} = opts) do
{multiple, options} =
case object.data do
%{"anyOf" => options} when is_list(options) -> {true, options}
%{"oneOf" => options} when is_list(options) -> {false, options}
_ -> {nil, nil}
end
if options do
{end_time, expired} =
case object.data["closed"] || object.data["endTime"] do
end_time when is_binary(end_time) ->
end_time =
(object.data["closed"] || object.data["endTime"])
|> NaiveDateTime.from_iso8601!()
expired =
end_time
|> NaiveDateTime.compare(NaiveDateTime.utc_now())
|> case do
:lt -> true
_ -> false
end
end_time = Utils.to_masto_date(end_time)
{end_time, expired}
_ ->
{nil, false}
end
voted =
if opts[:for] do
existing_votes =
Pleroma.Web.ActivityPub.Utils.get_existing_votes(opts[:for].ap_id, object)
existing_votes != [] or opts[:for].ap_id == object.data["actor"]
else
false
end
{options, votes_count} =
Enum.map_reduce(options, 0, fn %{"name" => name} = option, count ->
current_count = option["replies"]["totalItems"] || 0
{%{
title: HTML.strip_tags(name),
votes_count: current_count
}, current_count + count}
end)
%{
# Mastodon uses separate ids for polls, but an object can't have
# more than one poll embedded so object id is fine
id: to_string(object.id),
expires_at: end_time,
expired: expired,
multiple: multiple,
votes_count: votes_count,
options: options,
voted: voted,
emojis: build_emojis(object.data["emoji"])
}
else
nil
end
end
def get_reply_to(activity, %{replied_to_activities: replied_to_activities}) do
object = Object.normalize(activity)
with nil <- replied_to_activities[object.data["inReplyTo"]] do
# If user didn't participate in the thread
Activity.get_in_reply_to_activity(activity)
end
end
def get_reply_to(%{data: %{"object" => _object}} = activity, _) do
object = Object.normalize(activity)
if object.data["inReplyTo"] && object.data["inReplyTo"] != "" do
Activity.get_create_by_object_ap_id(object.data["inReplyTo"])
else
nil
end
end
def render_content(%{data: %{"type" => "Video"}} = object) do
with name when not is_nil(name) and name != "" <- object.data["name"] do
"<p><a href=\"#{object.data["id"]}\">#{name}</a></p>#{object.data["content"]}"
else
_ -> object.data["content"] || ""
end
end
def render_content(%{data: %{"type" => object_type}} = object)
when object_type in ["Article", "Page"] do
with summary when not is_nil(summary) and summary != "" <- object.data["name"],
url when is_bitstring(url) <- object.data["url"] do
"<p><a href=\"#{url}\">#{summary}</a></p>#{object.data["content"]}"
else
_ -> object.data["content"] || ""
end
end
def render_content(object), do: object.data["content"] || ""
@doc """
Builds a dictionary tags.
## Examples
iex> Pleroma.Web.MastodonAPI.StatusView.build_tags(["fediverse", "nextcloud"])
[{"name": "fediverse", "url": "/tag/fediverse"},
{"name": "nextcloud", "url": "/tag/nextcloud"}]
"""
@spec build_tags(list(any())) :: list(map())
def build_tags(object_tags) when is_list(object_tags) do
object_tags = for tag when is_binary(tag) <- object_tags, do: tag
Enum.reduce(object_tags, [], fn tag, tags ->
tags ++ [%{name: tag, url: "/tag/#{URI.encode(tag)}"}]
end)
end
def build_tags(_), do: []
@doc """
Builds list emojis.
Arguments: `nil` or list tuple of name and url.
Returns list emojis.
## Examples
iex> Pleroma.Web.MastodonAPI.StatusView.build_emojis([{"2hu", "corndog.png"}])
[%{shortcode: "2hu", static_url: "corndog.png", url: "corndog.png", visible_in_picker: false}]
"""
@spec build_emojis(nil | list(tuple())) :: list(map())
def build_emojis(nil), do: []
def build_emojis(emojis) do
emojis
|> Enum.map(fn {name, url} ->
name = HTML.strip_tags(name)
url =
url
|> HTML.strip_tags()
|> MediaProxy.url()
%{shortcode: name, url: url, static_url: url, visible_in_picker: false}
end)
end
defp present?(nil), do: false
defp present?(false), do: false
defp present?(_), do: true
defp pinned?(%Activity{id: id}, %User{info: %{pinned_activities: pinned_activities}}),
do: id in pinned_activities
end