kill almost all of the OStatus module

This commit is contained in:
Ariadne Conill 2019-10-17 23:37:21 +00:00
commit d379b48769
22 changed files with 20 additions and 2224 deletions

View file

@ -10,7 +10,6 @@ defmodule Pleroma.Object.Fetcher do
alias Pleroma.Signature
alias Pleroma.Web.ActivityPub.InternalFetchActor
alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Web.OStatus
require Logger
require Pleroma.Constants
@ -87,15 +86,8 @@ defmodule Pleroma.Object.Fetcher do
{:fetch_object, %Object{} = object} ->
{:ok, object}
_e ->
# Only fallback when receiving a fetch/normalization error with ActivityPub
Logger.info("Couldn't get object via AP, trying out OStatus fetching...")
# FIXME: OStatus Object Containment?
case OStatus.fetch_activity_from_url(id) do
{:ok, [activity | _]} -> {:ok, Object.normalize(activity, false)}
e -> e
end
e ->
e
end
end

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@ -26,7 +26,6 @@ defmodule Pleroma.User do
alias Pleroma.Web.CommonAPI
alias Pleroma.Web.CommonAPI.Utils, as: CommonUtils
alias Pleroma.Web.OAuth
alias Pleroma.Web.OStatus
alias Pleroma.Web.RelMe
alias Pleroma.Workers.BackgroundWorker
@ -609,12 +608,7 @@ defmodule Pleroma.User do
Cachex.fetch!(:user_cache, key, fn -> user_info(user) end)
end
def fetch_by_nickname(nickname) do
case ActivityPub.make_user_from_nickname(nickname) do
{:ok, user} -> {:ok, user}
_ -> OStatus.make_user(nickname)
end
end
def fetch_by_nickname(nickname), do: ActivityPub.make_user_from_nickname(nickname)
def get_or_fetch_by_nickname(nickname) do
with %User{} = user <- get_by_nickname(nickname) do
@ -1241,18 +1235,7 @@ defmodule Pleroma.User do
def html_filter_policy(_), do: Pleroma.Config.get([:markup, :scrub_policy])
def fetch_by_ap_id(ap_id) do
case ActivityPub.make_user_from_ap_id(ap_id) do
{:ok, user} ->
{:ok, user}
_ ->
case OStatus.make_user(ap_id) do
{:ok, user} -> {:ok, user}
_ -> {:error, "Could not fetch by AP id"}
end
end
end
def fetch_by_ap_id(ap_id), do: ActivityPub.make_user_from_ap_id(ap_id)
def get_or_fetch_by_ap_id(ap_id) do
user = get_cached_by_ap_id(ap_id)
@ -1307,11 +1290,6 @@ defmodule Pleroma.User do
{:ok, key}
end
# OStatus Magic Key
def public_key_from_info(%{magic_key: magic_key}) when not is_nil(magic_key) do
{:ok, Pleroma.Web.Salmon.decode_key(magic_key)}
end
def public_key_from_info(_), do: {:error, "not found key"}
def get_public_key_for_ap_id(ap_id) do

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@ -10,7 +10,6 @@ defmodule Pleroma.Web.Federator do
alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Web.ActivityPub.Utils
alias Pleroma.Web.Federator.Publisher
alias Pleroma.Web.OStatus
alias Pleroma.Workers.PublisherWorker
alias Pleroma.Workers.ReceiverWorker

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@ -1,313 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus.ActivityRepresenter do
alias Pleroma.Activity
alias Pleroma.Object
alias Pleroma.User
alias Pleroma.Web.OStatus.UserRepresenter
require Logger
require Pleroma.Constants
defp get_href(id) do
with %Object{data: %{"external_url" => external_url}} <- Object.get_cached_by_ap_id(id) do
external_url
else
_e -> id
end
end
defp get_in_reply_to(activity) do
with %Object{data: %{"inReplyTo" => in_reply_to}} <- Object.normalize(activity) do
[
{:"thr:in-reply-to",
[ref: to_charlist(in_reply_to), href: to_charlist(get_href(in_reply_to))], []}
]
else
_ ->
[]
end
end
defp get_mentions(to) do
Enum.map(to, fn id ->
cond do
# Special handling for the AP/Ostatus public collections
Pleroma.Constants.as_public() == id ->
{:link,
[
rel: "mentioned",
"ostatus:object-type": "http://activitystrea.ms/schema/1.0/collection",
href: "http://activityschema.org/collection/public"
], []}
# Ostatus doesn't handle follower collections, ignore these.
Regex.match?(~r/^#{Pleroma.Web.base_url()}.+followers$/, id) ->
[]
true ->
{:link,
[
rel: "mentioned",
"ostatus:object-type": "http://activitystrea.ms/schema/1.0/person",
href: id
], []}
end
end)
end
defp get_links(%{local: true}, %{"id" => object_id}) do
h = fn str -> [to_charlist(str)] end
[
{:link, [type: ['application/atom+xml'], href: h.(object_id), rel: 'self'], []},
{:link, [type: ['text/html'], href: h.(object_id), rel: 'alternate'], []}
]
end
defp get_links(%{local: false}, %{"external_url" => external_url}) do
h = fn str -> [to_charlist(str)] end
[
{:link, [type: ['text/html'], href: h.(external_url), rel: 'alternate'], []}
]
end
defp get_links(_activity, _object_data), do: []
defp get_emoji_links(emojis) do
Enum.map(emojis, fn {emoji, file} ->
{:link, [name: to_charlist(emoji), rel: 'emoji', href: to_charlist(file)], []}
end)
end
def to_simple_form(activity, user, with_author \\ false)
def to_simple_form(%{data: %{"type" => "Create"}} = activity, user, with_author) do
h = fn str -> [to_charlist(str)] end
object = Object.normalize(activity)
updated_at = object.data["published"]
inserted_at = object.data["published"]
attachments =
Enum.map(object.data["attachment"] || [], fn attachment ->
url = hd(attachment["url"])
{:link,
[rel: 'enclosure', href: to_charlist(url["href"]), type: to_charlist(url["mediaType"])],
[]}
end)
in_reply_to = get_in_reply_to(activity)
author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
mentions = activity.recipients |> get_mentions
categories =
(object.data["tag"] || [])
|> Enum.map(fn tag ->
if is_binary(tag) do
{:category, [term: to_charlist(tag)], []}
else
nil
end
end)
|> Enum.filter(& &1)
emoji_links = get_emoji_links(object.data["emoji"] || %{})
summary =
if object.data["summary"] do
[{:summary, [], h.(object.data["summary"])}]
else
[]
end
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
{:"activity:verb", ['http://activitystrea.ms/schema/1.0/post']},
# For notes, federate the object id.
{:id, h.(object.data["id"])},
{:title, ['New note by #{user.nickname}']},
{:content, [type: 'html'], h.(object.data["content"] |> String.replace(~r/[\n\r]/, ""))},
{:published, h.(inserted_at)},
{:updated, h.(updated_at)},
{:"ostatus:conversation", [ref: h.(activity.data["context"])],
h.(activity.data["context"])},
{:link, [ref: h.(activity.data["context"]), rel: 'ostatus:conversation'], []}
] ++
summary ++
get_links(activity, object.data) ++
categories ++ attachments ++ in_reply_to ++ author ++ mentions ++ emoji_links
end
def to_simple_form(%{data: %{"type" => "Like"}} = activity, user, with_author) do
h = fn str -> [to_charlist(str)] end
updated_at = activity.data["published"]
inserted_at = activity.data["published"]
author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
mentions = activity.recipients |> get_mentions
[
{:"activity:verb", ['http://activitystrea.ms/schema/1.0/favorite']},
{:id, h.(activity.data["id"])},
{:title, ['New favorite by #{user.nickname}']},
{:content, [type: 'html'], ['#{user.nickname} favorited something']},
{:published, h.(inserted_at)},
{:updated, h.(updated_at)},
{:"activity:object",
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
# For notes, federate the object id.
{:id, h.(activity.data["object"])}
]},
{:"ostatus:conversation", [ref: h.(activity.data["context"])],
h.(activity.data["context"])},
{:link, [ref: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
{:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []},
{:"thr:in-reply-to", [ref: to_charlist(activity.data["object"])], []}
] ++ author ++ mentions
end
def to_simple_form(%{data: %{"type" => "Announce"}} = activity, user, with_author) do
h = fn str -> [to_charlist(str)] end
updated_at = activity.data["published"]
inserted_at = activity.data["published"]
author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
retweeted_activity = Activity.get_create_by_object_ap_id(activity.data["object"])
retweeted_object = Object.normalize(retweeted_activity)
retweeted_user = User.get_cached_by_ap_id(retweeted_activity.data["actor"])
retweeted_xml = to_simple_form(retweeted_activity, retweeted_user, true)
mentions =
([retweeted_user.ap_id] ++ activity.recipients)
|> Enum.uniq()
|> get_mentions()
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
{:"activity:verb", ['http://activitystrea.ms/schema/1.0/share']},
{:id, h.(activity.data["id"])},
{:title, ['#{user.nickname} repeated a notice']},
{:content, [type: 'html'], ['RT #{retweeted_object.data["content"]}']},
{:published, h.(inserted_at)},
{:updated, h.(updated_at)},
{:"ostatus:conversation", [ref: h.(activity.data["context"])],
h.(activity.data["context"])},
{:link, [ref: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
{:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []},
{:"activity:object", retweeted_xml}
] ++ mentions ++ author
end
def to_simple_form(%{data: %{"type" => "Follow"}} = activity, user, with_author) do
h = fn str -> [to_charlist(str)] end
updated_at = activity.data["published"]
inserted_at = activity.data["published"]
author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
mentions = (activity.recipients || []) |> get_mentions
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
{:"activity:verb", ['http://activitystrea.ms/schema/1.0/follow']},
{:id, h.(activity.data["id"])},
{:title, ['#{user.nickname} started following #{activity.data["object"]}']},
{:content, [type: 'html'],
['#{user.nickname} started following #{activity.data["object"]}']},
{:published, h.(inserted_at)},
{:updated, h.(updated_at)},
{:"activity:object",
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/person']},
{:id, h.(activity.data["object"])},
{:uri, h.(activity.data["object"])}
]},
{:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []}
] ++ mentions ++ author
end
# Only undos of follow for now. Will need to get redone once there are more
def to_simple_form(
%{data: %{"type" => "Undo", "object" => %{"type" => "Follow"} = follow_activity}} =
activity,
user,
with_author
) do
h = fn str -> [to_charlist(str)] end
updated_at = activity.data["published"]
inserted_at = activity.data["published"]
author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
mentions = (activity.recipients || []) |> get_mentions
follow_activity = Activity.normalize(follow_activity)
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
{:"activity:verb", ['http://activitystrea.ms/schema/1.0/unfollow']},
{:id, h.(activity.data["id"])},
{:title, ['#{user.nickname} stopped following #{follow_activity.data["object"]}']},
{:content, [type: 'html'],
['#{user.nickname} stopped following #{follow_activity.data["object"]}']},
{:published, h.(inserted_at)},
{:updated, h.(updated_at)},
{:"activity:object",
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/person']},
{:id, h.(follow_activity.data["object"])},
{:uri, h.(follow_activity.data["object"])}
]},
{:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []}
] ++ mentions ++ author
end
def to_simple_form(%{data: %{"type" => "Delete"}} = activity, user, with_author) do
h = fn str -> [to_charlist(str)] end
updated_at = activity.data["published"]
inserted_at = activity.data["published"]
author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
{:"activity:verb", ['http://activitystrea.ms/schema/1.0/delete']},
{:id, h.(activity.data["object"])},
{:title, ['An object was deleted']},
{:content, [type: 'html'], ['An object was deleted']},
{:published, h.(inserted_at)},
{:updated, h.(updated_at)}
] ++ author
end
def to_simple_form(_, _, _), do: nil
def wrap_with_entry(simple_form) do
[
{
:entry,
[
xmlns: 'http://www.w3.org/2005/Atom',
"xmlns:thr": 'http://purl.org/syndication/thread/1.0',
"xmlns:activity": 'http://activitystrea.ms/spec/1.0/',
"xmlns:poco": 'http://portablecontacts.net/spec/1.0',
"xmlns:ostatus": 'http://ostatus.org/schema/1.0'
],
simple_form
}
]
end
end

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@ -1,64 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus.FeedRepresenter do
alias Pleroma.User
alias Pleroma.Web.MediaProxy
alias Pleroma.Web.OStatus
alias Pleroma.Web.OStatus.ActivityRepresenter
alias Pleroma.Web.OStatus.UserRepresenter
def to_simple_form(user, activities, _users) do
most_recent_update =
(List.first(activities) || user).updated_at
|> NaiveDateTime.to_iso8601()
h = fn str -> [to_charlist(str)] end
last_activity = List.last(activities)
entries =
activities
|> Enum.map(fn activity ->
{:entry, ActivityRepresenter.to_simple_form(activity, user)}
end)
|> Enum.filter(fn {_, form} -> form end)
[
{
:feed,
[
xmlns: 'http://www.w3.org/2005/Atom',
"xmlns:thr": 'http://purl.org/syndication/thread/1.0',
"xmlns:activity": 'http://activitystrea.ms/spec/1.0/',
"xmlns:poco": 'http://portablecontacts.net/spec/1.0',
"xmlns:ostatus": 'http://ostatus.org/schema/1.0'
],
[
{:id, h.(OStatus.feed_path(user))},
{:title, ['#{user.nickname}\'s timeline']},
{:updated, h.(most_recent_update)},
{:logo, [to_charlist(User.avatar_url(user) |> MediaProxy.url())]},
{:link, [rel: 'self', href: h.(OStatus.feed_path(user)), type: 'application/atom+xml'],
[]},
{:author, UserRepresenter.to_simple_form(user)}
] ++
if last_activity do
[
{:link,
[
rel: 'next',
href:
to_charlist(OStatus.feed_path(user)) ++
'?max_id=' ++ to_charlist(last_activity.id),
type: 'application/atom+xml'
], []}
]
else
[]
end ++ entries
}
]
end
end

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@ -1,18 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus.DeleteHandler do
require Logger
alias Pleroma.Object
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.XML
def handle_delete(entry, _doc \\ nil) do
with id <- XML.string_from_xpath("//id", entry),
%Object{} = object <- Object.normalize(id),
{:ok, delete} <- ActivityPub.delete(object, local: false) do
delete
end
end
end

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@ -1,26 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus.FollowHandler do
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.OStatus
alias Pleroma.Web.XML
def handle(entry, doc) do
with {:ok, actor} <- OStatus.find_make_or_update_actor(doc),
id when not is_nil(id) <- XML.string_from_xpath("/entry/id", entry),
followed_uri when not is_nil(followed_uri) <-
XML.string_from_xpath("/entry/activity:object/id", entry),
{:ok, followed} <- OStatus.find_or_make_user(followed_uri),
{:locked, false} <- {:locked, followed.info.locked},
{:ok, activity} <- ActivityPub.follow(actor, followed, id, false) do
User.follow(actor, followed)
{:ok, activity}
else
{:locked, true} ->
{:error, "It's not possible to follow locked accounts over OStatus"}
end
end
end

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@ -1,168 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus.NoteHandler do
require Logger
require Pleroma.Constants
alias Pleroma.Activity
alias Pleroma.Object
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Utils
alias Pleroma.Web.CommonAPI
alias Pleroma.Web.Federator
alias Pleroma.Web.OStatus
alias Pleroma.Web.XML
@doc """
Get the context for this note. Uses this:
1. The context of the parent activity
2. The conversation reference in the ostatus xml
3. A newly generated context id.
"""
def get_context(entry, in_reply_to) do
context =
(XML.string_from_xpath("//ostatus:conversation[1]", entry) ||
XML.string_from_xpath("//ostatus:conversation[1]/@ref", entry) || "")
|> String.trim()
with %{data: %{"context" => context}} <- Object.get_cached_by_ap_id(in_reply_to) do
context
else
_e ->
if String.length(context) > 0 do
context
else
Utils.generate_context_id()
end
end
end
def get_people_mentions(entry) do
:xmerl_xpath.string(
'//link[@rel="mentioned" and @ostatus:object-type="http://activitystrea.ms/schema/1.0/person"]',
entry
)
|> Enum.map(fn person -> XML.string_from_xpath("@href", person) end)
end
def get_collection_mentions(entry) do
transmogrify = fn
"http://activityschema.org/collection/public" ->
Pleroma.Constants.as_public()
group ->
group
end
:xmerl_xpath.string(
'//link[@rel="mentioned" and @ostatus:object-type="http://activitystrea.ms/schema/1.0/collection"]',
entry
)
|> Enum.map(fn collection -> XML.string_from_xpath("@href", collection) |> transmogrify.() end)
end
def get_mentions(entry) do
(get_people_mentions(entry) ++ get_collection_mentions(entry))
|> Enum.filter(& &1)
end
def get_emoji(entry) do
try do
:xmerl_xpath.string('//link[@rel="emoji"]', entry)
|> Enum.reduce(%{}, fn emoji, acc ->
Map.put(acc, XML.string_from_xpath("@name", emoji), XML.string_from_xpath("@href", emoji))
end)
rescue
_e -> nil
end
end
def make_to_list(actor, mentions) do
[
actor.follower_address
] ++ mentions
end
def add_external_url(note, entry) do
url = XML.string_from_xpath("//link[@rel='alternate' and @type='text/html']/@href", entry)
Map.put(note, "external_url", url)
end
def fetch_replied_to_activity(entry, in_reply_to, options \\ []) do
with %Activity{} = activity <- Activity.get_create_by_object_ap_id(in_reply_to) do
activity
else
_e ->
with true <- Federator.allowed_incoming_reply_depth?(options[:depth]),
in_reply_to_href when not is_nil(in_reply_to_href) <-
XML.string_from_xpath("//thr:in-reply-to[1]/@href", entry),
{:ok, [activity | _]} <- OStatus.fetch_activity_from_url(in_reply_to_href, options) do
activity
else
_e -> nil
end
end
end
# TODO: Clean this up a bit.
def handle_note(entry, doc \\ nil, options \\ []) do
with id <- XML.string_from_xpath("//id", entry),
activity when is_nil(activity) <- Activity.get_create_by_object_ap_id_with_object(id),
[author] <- :xmerl_xpath.string('//author[1]', doc),
{:ok, actor} <- OStatus.find_make_or_update_actor(author),
content_html <- OStatus.get_content(entry),
cw <- OStatus.get_cw(entry),
in_reply_to <- XML.string_from_xpath("//thr:in-reply-to[1]/@ref", entry),
options <- Keyword.put(options, :depth, (options[:depth] || 0) + 1),
in_reply_to_activity <- fetch_replied_to_activity(entry, in_reply_to, options),
in_reply_to_object <-
(in_reply_to_activity && Object.normalize(in_reply_to_activity)) || nil,
in_reply_to <- (in_reply_to_object && in_reply_to_object.data["id"]) || in_reply_to,
attachments <- OStatus.get_attachments(entry),
context <- get_context(entry, in_reply_to),
tags <- OStatus.get_tags(entry),
mentions <- get_mentions(entry),
to <- make_to_list(actor, mentions),
date <- XML.string_from_xpath("//published", entry),
unlisted <- XML.string_from_xpath("//mastodon:scope", entry) == "unlisted",
cc <- if(unlisted, do: [Pleroma.Constants.as_public()], else: []),
note <-
CommonAPI.Utils.make_note_data(
actor.ap_id,
to,
context,
content_html,
attachments,
in_reply_to_activity,
[],
cw
),
note <- note |> Map.put("id", id) |> Map.put("tag", tags),
note <- note |> Map.put("published", date),
note <- note |> Map.put("emoji", get_emoji(entry)),
note <- add_external_url(note, entry),
note <- note |> Map.put("cc", cc),
# TODO: Handle this case in make_note_data
note <-
if(
in_reply_to && !in_reply_to_activity,
do: note |> Map.put("inReplyTo", in_reply_to),
else: note
) do
ActivityPub.create(%{
to: to,
actor: actor,
context: context,
object: note,
published: date,
local: false,
additional: %{"cc" => cc}
})
else
%Activity{} = activity -> {:ok, activity}
e -> {:error, e}
end
end
end

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@ -1,22 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus.UnfollowHandler do
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.OStatus
alias Pleroma.Web.XML
def handle(entry, doc) do
with {:ok, actor} <- OStatus.find_make_or_update_actor(doc),
id when not is_nil(id) <- XML.string_from_xpath("/entry/id", entry),
followed_uri when not is_nil(followed_uri) <-
XML.string_from_xpath("/entry/activity:object/id", entry),
{:ok, followed} <- OStatus.find_or_make_user(followed_uri),
{:ok, activity} <- ActivityPub.unfollow(actor, followed, id, false) do
User.unfollow(actor, followed)
{:ok, activity}
end
end
end

View file

@ -1,388 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus do
import Pleroma.Web.XML
require Logger
alias Pleroma.Activity
alias Pleroma.HTTP
alias Pleroma.Object
alias Pleroma.User
alias Pleroma.Web
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Web.ActivityPub.Visibility
alias Pleroma.Web.OStatus.DeleteHandler
alias Pleroma.Web.OStatus.FollowHandler
alias Pleroma.Web.OStatus.NoteHandler
alias Pleroma.Web.OStatus.UnfollowHandler
alias Pleroma.Web.WebFinger
def is_representable?(%Activity{} = activity) do
object = Object.normalize(activity)
cond do
is_nil(object) ->
false
Visibility.is_public?(activity) && object.data["type"] == "Note" ->
true
true ->
false
end
end
def feed_path(user), do: "#{user.ap_id}/feed.atom"
def remote_follow_path, do: "#{Web.base_url()}/ostatus_subscribe?acct={uri}"
def handle_incoming(xml_string, options \\ []) do
with doc when doc != :error <- parse_document(xml_string) do
with {:ok, actor_user} <- find_make_or_update_actor(doc),
do: Pleroma.Instances.set_reachable(actor_user.ap_id)
entries = :xmerl_xpath.string('//entry', doc)
activities =
Enum.map(entries, fn entry ->
{:xmlObj, :string, object_type} =
:xmerl_xpath.string('string(/entry/activity:object-type[1])', entry)
{:xmlObj, :string, verb} = :xmerl_xpath.string('string(/entry/activity:verb[1])', entry)
Logger.debug("Handling #{verb}")
try do
case verb do
'http://activitystrea.ms/schema/1.0/delete' ->
with {:ok, activity} <- DeleteHandler.handle_delete(entry, doc), do: activity
'http://activitystrea.ms/schema/1.0/follow' ->
with {:ok, activity} <- FollowHandler.handle(entry, doc), do: activity
'http://activitystrea.ms/schema/1.0/unfollow' ->
with {:ok, activity} <- UnfollowHandler.handle(entry, doc), do: activity
'http://activitystrea.ms/schema/1.0/share' ->
with {:ok, activity, retweeted_activity} <- handle_share(entry, doc),
do: [activity, retweeted_activity]
'http://activitystrea.ms/schema/1.0/favorite' ->
with {:ok, activity, favorited_activity} <- handle_favorite(entry, doc),
do: [activity, favorited_activity]
_ ->
case object_type do
'http://activitystrea.ms/schema/1.0/note' ->
with {:ok, activity} <- NoteHandler.handle_note(entry, doc, options),
do: activity
'http://activitystrea.ms/schema/1.0/comment' ->
with {:ok, activity} <- NoteHandler.handle_note(entry, doc, options),
do: activity
_ ->
Logger.error("Couldn't parse incoming document")
nil
end
end
rescue
e ->
Logger.error("Error occured while handling activity")
Logger.error(xml_string)
Logger.error(inspect(e))
nil
end
end)
|> Enum.filter(& &1)
{:ok, activities}
else
_e -> {:error, []}
end
end
def make_share(entry, doc, retweeted_activity) do
with {:ok, actor} <- find_make_or_update_actor(doc),
%Object{} = object <- Object.normalize(retweeted_activity),
id when not is_nil(id) <- string_from_xpath("/entry/id", entry),
{:ok, activity, _object} = ActivityPub.announce(actor, object, id, false) do
{:ok, activity}
end
end
def handle_share(entry, doc) do
with {:ok, retweeted_activity} <- get_or_build_object(entry),
{:ok, activity} <- make_share(entry, doc, retweeted_activity) do
{:ok, activity, retweeted_activity}
else
e -> {:error, e}
end
end
def make_favorite(entry, doc, favorited_activity) do
with {:ok, actor} <- find_make_or_update_actor(doc),
%Object{} = object <- Object.normalize(favorited_activity),
id when not is_nil(id) <- string_from_xpath("/entry/id", entry),
{:ok, activity, _object} = ActivityPub.like(actor, object, id, false) do
{:ok, activity}
end
end
def get_or_build_object(entry) do
with {:ok, activity} <- get_or_try_fetching(entry) do
{:ok, activity}
else
_e ->
with [object] <- :xmerl_xpath.string('/entry/activity:object', entry) do
NoteHandler.handle_note(object, object)
end
end
end
def get_or_try_fetching(entry) do
Logger.debug("Trying to get entry from db")
with id when not is_nil(id) <- string_from_xpath("//activity:object[1]/id", entry),
%Activity{} = activity <- Activity.get_create_by_object_ap_id_with_object(id) do
{:ok, activity}
else
_ ->
Logger.debug("Couldn't get, will try to fetch")
with href when not is_nil(href) <-
string_from_xpath("//activity:object[1]/link[@type=\"text/html\"]/@href", entry),
{:ok, [favorited_activity]} <- fetch_activity_from_url(href) do
{:ok, favorited_activity}
else
e -> Logger.debug("Couldn't find href: #{inspect(e)}")
end
end
end
def handle_favorite(entry, doc) do
with {:ok, favorited_activity} <- get_or_try_fetching(entry),
{:ok, activity} <- make_favorite(entry, doc, favorited_activity) do
{:ok, activity, favorited_activity}
else
e -> {:error, e}
end
end
def get_attachments(entry) do
:xmerl_xpath.string('/entry/link[@rel="enclosure"]', entry)
|> Enum.map(fn enclosure ->
with href when not is_nil(href) <- string_from_xpath("/link/@href", enclosure),
type when not is_nil(type) <- string_from_xpath("/link/@type", enclosure) do
%{
"type" => "Attachment",
"url" => [
%{
"type" => "Link",
"mediaType" => type,
"href" => href
}
]
}
end
end)
|> Enum.filter(& &1)
end
@doc """
Gets the content from a an entry.
"""
def get_content(entry) do
string_from_xpath("//content", entry)
end
@doc """
Get the cw that mastodon uses.
"""
def get_cw(entry) do
case string_from_xpath("/*/summary", entry) do
cw when not is_nil(cw) -> cw
_ -> nil
end
end
def get_tags(entry) do
:xmerl_xpath.string('//category', entry)
|> Enum.map(fn category -> string_from_xpath("/category/@term", category) end)
|> Enum.filter(& &1)
|> Enum.map(&String.downcase/1)
end
def maybe_update(doc, user) do
case string_from_xpath("//author[1]/ap_enabled", doc) do
"true" ->
Transmogrifier.upgrade_user_from_ap_id(user.ap_id)
_ ->
maybe_update_ostatus(doc, user)
end
end
def maybe_update_ostatus(doc, user) do
old_data = Map.take(user, [:bio, :avatar, :name])
with false <- user.local,
avatar <- make_avatar_object(doc),
bio <- string_from_xpath("//author[1]/summary", doc),
name <- string_from_xpath("//author[1]/poco:displayName", doc),
new_data <- %{
avatar: avatar || old_data.avatar,
name: name || old_data.name,
bio: bio || old_data.bio
},
false <- new_data == old_data do
change = Ecto.Changeset.change(user, new_data)
User.update_and_set_cache(change)
else
_ ->
{:ok, user}
end
end
def find_make_or_update_actor(doc) do
uri = string_from_xpath("//author/uri[1]", doc)
with {:ok, %User{} = user} <- find_or_make_user(uri),
{:ap_enabled, false} <- {:ap_enabled, User.ap_enabled?(user)} do
maybe_update(doc, user)
else
{:ap_enabled, true} ->
{:error, :invalid_protocol}
_ ->
{:error, :unknown_user}
end
end
@spec find_or_make_user(String.t()) :: {:ok, User.t()}
def find_or_make_user(uri) do
case User.get_by_ap_id(uri) do
%User{} = user -> {:ok, user}
_ -> make_user(uri)
end
end
@spec make_user(String.t(), boolean()) :: {:ok, User.t()} | {:error, any()}
def make_user(uri, update \\ false) do
with {:ok, info} <- gather_user_info(uri) do
with false <- update,
%User{} = user <- User.get_cached_by_ap_id(info["uri"]) do
{:ok, user}
else
_e -> User.insert_or_update_user(build_user_data(info))
end
end
end
defp build_user_data(info) do
%{
name: info["name"],
nickname: info["nickname"] <> "@" <> info["host"],
ap_id: info["uri"],
info: info,
avatar: info["avatar"],
bio: info["bio"]
}
end
# TODO: Just takes the first one for now.
def make_avatar_object(author_doc, rel \\ "avatar") do
href = string_from_xpath("//author[1]/link[@rel=\"#{rel}\"]/@href", author_doc)
type = string_from_xpath("//author[1]/link[@rel=\"#{rel}\"]/@type", author_doc)
if href do
%{
"type" => "Image",
"url" => [%{"type" => "Link", "mediaType" => type, "href" => href}]
}
else
nil
end
end
@spec gather_user_info(String.t()) :: {:ok, map()} | {:error, any()}
def gather_user_info(username) do
with {:ok, webfinger_data} <- WebFinger.finger(username) do
data =
webfinger_data
|> Map.put("fqn", username)
{:ok, data}
else
e ->
Logger.debug(fn -> "Couldn't gather info for #{username}" end)
{:error, e}
end
end
# Regex-based 'parsing' so we don't have to pull in a full html parser
# It's a hack anyway. Maybe revisit this in the future
@mastodon_regex ~r/<link href='(.*)' rel='alternate' type='application\/atom\+xml'>/
@gs_regex ~r/<link title=.* href="(.*)" type="application\/atom\+xml" rel="alternate">/
@gs_classic_regex ~r/<link rel="alternate" href="(.*)" type="application\/atom\+xml" title=.*>/
def get_atom_url(body) do
cond do
Regex.match?(@mastodon_regex, body) ->
[[_, match]] = Regex.scan(@mastodon_regex, body)
{:ok, match}
Regex.match?(@gs_regex, body) ->
[[_, match]] = Regex.scan(@gs_regex, body)
{:ok, match}
Regex.match?(@gs_classic_regex, body) ->
[[_, match]] = Regex.scan(@gs_classic_regex, body)
{:ok, match}
true ->
Logger.debug(fn -> "Couldn't find Atom link in #{inspect(body)}" end)
{:error, "Couldn't find the Atom link"}
end
end
def fetch_activity_from_atom_url(url, options \\ []) do
with true <- String.starts_with?(url, "http"),
{:ok, %{body: body, status: code}} when code in 200..299 <-
HTTP.get(url, [{:Accept, "application/atom+xml"}]) do
Logger.debug("Got document from #{url}, handling...")
handle_incoming(body, options)
else
e ->
Logger.debug("Couldn't get #{url}: #{inspect(e)}")
e
end
end
def fetch_activity_from_html_url(url, options \\ []) do
Logger.debug("Trying to fetch #{url}")
with true <- String.starts_with?(url, "http"),
{:ok, %{body: body}} <- HTTP.get(url, []),
{:ok, atom_url} <- get_atom_url(body) do
fetch_activity_from_atom_url(atom_url, options)
else
e ->
Logger.debug("Couldn't get #{url}: #{inspect(e)}")
e
end
end
def fetch_activity_from_url(url, options \\ []) do
with {:ok, [_ | _] = activities} <- fetch_activity_from_atom_url(url, options) do
{:ok, activities}
else
_e -> fetch_activity_from_html_url(url, options)
end
rescue
e ->
Logger.debug("Couldn't get #{url}: #{inspect(e)}")
{:error, "Couldn't get #{url}: #{inspect(e)}"}
end
end

View file

@ -13,11 +13,8 @@ defmodule Pleroma.Web.OStatus.OStatusController do
alias Pleroma.Web.ActivityPub.ObjectView
alias Pleroma.Web.ActivityPub.Visibility
alias Pleroma.Web.Endpoint
alias Pleroma.Web.Federator
alias Pleroma.Web.Metadata.PlayerView
alias Pleroma.Web.OStatus.ActivityRepresenter
alias Pleroma.Web.Router
alias Pleroma.Web.XML
plug(
Pleroma.Plugs.RateLimiter,
@ -151,23 +148,10 @@ defmodule Pleroma.Web.OStatus.OStatusController do
|> render("object.json", %{object: object})
end
defp represent_activity(_conn, "activity+json", _, _) do
defp represent_activity(_conn, _, _, _) do
{:error, :not_found}
end
defp represent_activity(conn, _, activity, user) do
response =
activity
|> ActivityRepresenter.to_simple_form(user, true)
|> ActivityRepresenter.wrap_with_entry()
|> :xmerl.export_simple(:xmerl_xml)
|> to_string
conn
|> put_resp_content_type("application/atom+xml")
|> send_resp(200, response)
end
def errors(conn, {:error, :not_found}) do
render_error(conn, :not_found, "Not found")
end

View file

@ -1,41 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus.UserRepresenter do
alias Pleroma.User
def to_simple_form(user) do
ap_id = to_charlist(user.ap_id)
nickname = to_charlist(user.nickname)
name = to_charlist(user.name)
bio = to_charlist(user.bio)
avatar_url = to_charlist(User.avatar_url(user))
banner =
if banner_url = User.banner_url(user) do
[{:link, [rel: 'header', href: banner_url], []}]
else
[]
end
ap_enabled =
if user.local do
[{:ap_enabled, ['true']}]
else
[]
end
[
{:id, [ap_id]},
{:"activity:object", ['http://activitystrea.ms/schema/1.0/person']},
{:uri, [ap_id]},
{:"poco:preferredUsername", [nickname]},
{:"poco:displayName", [name]},
{:"poco:note", [bio]},
{:summary, [bio]},
{:name, [nickname]},
{:link, [rel: 'avatar', href: avatar_url], []}
] ++ banner ++ ap_enabled
end
end