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Refactor Core things, including Ecto handling, ActivityPub & Transmogrifier modules

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* Data doesn't need anymore to be converted to ActivityStream format to
be saved (this was taken from Pleroma and not at all a good idea here)
* Everything saved when creating an event is inserted into PostgreSQL in
a single transaction
This commit is contained in:
Thomas Citharel
2019-10-25 17:43:37 +02:00
parent 814cfbc8eb
commit cc820d6b63
69 changed files with 1881 additions and 1424 deletions
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45
lib/mobilizon_web/api/comments.ex
View File

@@ -2,55 +2,18 @@ defmodule MobilizonWeb.API.Comments do
@moduledoc """
API for Comments.
"""
alias Mobilizon.Actors
alias Mobilizon.Actors.Actor
alias Mobilizon.Events.Comment
alias Mobilizon.Service.ActivityPub
alias Mobilizon.Service.ActivityPub.Utils, as: ActivityPubUtils
alias MobilizonWeb.API.Utils
alias Mobilizon.Service.ActivityPub.Activity
@doc """
Create a comment
Creates a comment from an actor and a status
"""
@spec create_comment(String.t(), String.t(), String.t()) ::
@spec create_comment(map()) ::
{:ok, Activity.t(), Comment.t()} | any()
def create_comment(
from_username,
status,
visibility \\ :public,
in_reply_to_comment_URL \\ nil
) do
with {:local_actor, %Actor{url: url} = actor} <-
{:local_actor, Actors.get_local_actor_by_name(from_username)},
in_reply_to_comment <- get_in_reply_to_comment(in_reply_to_comment_URL),
{content_html, tags, to, cc} <-
Utils.prepare_content(actor, status, visibility, [], in_reply_to_comment),
comment <-
ActivityPubUtils.make_comment_data(
url,
to,
content_html,
in_reply_to_comment,
tags,
cc
) do
ActivityPub.create(%{
to: to,
actor: actor,
object: comment,
local: true
})
end
end
@spec get_in_reply_to_comment(nil) :: nil
defp get_in_reply_to_comment(nil), do: nil
@spec get_in_reply_to_comment(String.t()) :: Comment.t()
defp get_in_reply_to_comment(in_reply_to_comment_url) do
ActivityPub.fetch_object_from_url(in_reply_to_comment_url)
def create_comment(args) do
ActivityPub.create(:comment, args, true)
end
end

110
lib/mobilizon_web/api/events.ex
View File

@@ -3,37 +3,24 @@ defmodule MobilizonWeb.API.Events do
API for Events.
"""
alias Mobilizon.Events.Event
alias Mobilizon.Actors.Actor
alias Mobilizon.Events.Event
alias Mobilizon.Service.ActivityPub
alias Mobilizon.Service.ActivityPub.Activity
alias Mobilizon.Service.ActivityPub.Utils, as: ActivityPubUtils
alias MobilizonWeb.API.Utils
alias Mobilizon.Service.ActivityPub.Utils
@doc """
Create an event
"""
@spec create_event(map()) :: {:ok, Activity.t(), Event.t()} | any()
def create_event(%{organizer_actor: organizer_actor} = args) do
with args <- prepare_args(args),
event <-
ActivityPubUtils.make_event_data(
args.organizer_actor.url,
%{to: args.to, cc: args.cc},
args.title,
args.content_html,
args.picture,
args.tags,
args.metadata
) do
ActivityPub.create(%{
to: args.to,
actor: organizer_actor,
object: event,
# For now we don't federate drafts but it will be needed if we want to edit them as groups
local: args.metadata.draft == false
})
def create_event(args) do
with organizer_actor <- Map.get(args, :organizer_actor),
args <-
Map.update(args, :picture, nil, fn picture ->
process_picture(picture, organizer_actor)
end) do
# For now we don't federate drafts but it will be needed if we want to edit them as groups
ActivityPub.create(:event, args, args.draft == false)
end
end
@@ -41,65 +28,13 @@ defmodule MobilizonWeb.API.Events do
Update an event
"""
@spec update_event(map(), Event.t()) :: {:ok, Activity.t(), Event.t()} | any()
def update_event(
%{
organizer_actor: organizer_actor
} = args,
%Event{} = event
) do
with args <- Map.put(args, :tags, Map.get(args, :tags, [])),
args <- prepare_args(Map.merge(event, args)),
event <-
ActivityPubUtils.make_event_data(
args.organizer_actor.url,
%{to: args.to, cc: args.cc},
args.title,
args.content_html,
args.picture,
args.tags,
args.metadata,
event.uuid,
event.url
) do
ActivityPub.update(%{
to: args.to,
actor: organizer_actor.url,
cc: [],
object: event,
local: args.metadata.draft == false
})
end
end
defp prepare_args(args) do
with %Actor{} = organizer_actor <- Map.get(args, :organizer_actor),
title <- args |> Map.get(:title, "") |> HtmlSanitizeEx.strip_tags() |> String.trim(),
visibility <- Map.get(args, :visibility, :public),
description <- Map.get(args, :description),
tags <- Map.get(args, :tags),
{content_html, tags, to, cc} <-
Utils.prepare_content(organizer_actor, description, visibility, tags, nil) do
%{
title: title,
content_html: content_html,
picture: Map.get(args, :picture),
tags: tags,
organizer_actor: organizer_actor,
to: to,
cc: cc,
metadata: %{
begins_on: Map.get(args, :begins_on),
ends_on: Map.get(args, :ends_on),
physical_address: Map.get(args, :physical_address),
category: Map.get(args, :category),
options: Map.get(args, :options),
join_options: Map.get(args, :join_options),
status: Map.get(args, :status),
online_address: Map.get(args, :online_address),
phone_address: Map.get(args, :phone_address),
draft: Map.get(args, :draft)
}
}
def update_event(args, %Event{} = event) do
with organizer_actor <- Map.get(args, :organizer_actor),
args <-
Map.update(args, :picture, nil, fn picture ->
process_picture(picture, organizer_actor)
end) do
ActivityPub.update(:event, event, args, Map.get(args, :draft, false) == false)
end
end
@@ -111,4 +46,15 @@ defmodule MobilizonWeb.API.Events do
def delete_event(%Event{} = event, federate \\ true) do
ActivityPub.delete(event, federate)
end
defp process_picture(nil, _), do: nil
defp process_picture(%{picture_id: _picture_id} = args, _), do: args
defp process_picture(%{picture: picture}, %Actor{id: actor_id}) do
%{
file:
picture |> Map.get(:file) |> Utils.make_picture_data(description: Map.get(picture, :name)),
actor_id: actor_id
}
end
end

16
lib/mobilizon_web/api/follows.ex
View File

@@ -6,6 +6,7 @@ defmodule MobilizonWeb.API.Follows do
alias Mobilizon.Actors
alias Mobilizon.Actors.{Actor, Follower}
alias Mobilizon.Service.ActivityPub
alias Mobilizon.Service.ActivityPub.Activity
require Logger
@@ -32,17 +33,14 @@ defmodule MobilizonWeb.API.Follows do
end
def accept(%Actor{} = follower, %Actor{} = followed) do
with %Follower{approved: false, id: follow_id, url: follow_url} = follow <-
with %Follower{approved: false} = follow <-
Actors.is_following(follower, followed),
activity_follow_url <- "#{MobilizonWeb.Endpoint.url()}/accept/follow/#{follow_id}",
data <-
ActivityPub.Utils.make_follow_data(followed, follower, follow_url),
{:ok, activity, _} <-
{:ok, %Activity{} = activity, %Follower{approved: true}} <-
ActivityPub.accept(
%{to: [follower.url], actor: followed.url, object: data},
activity_follow_url
),
{:ok, %Follower{approved: true}} <- Actors.update_follower(follow, %{"approved" => true}) do
:follow,
follow,
%{approved: true}
) do
{:ok, activity}
else
%Follower{approved: true} ->

37
lib/mobilizon_web/api/groups.ex
View File

@@ -6,38 +6,19 @@ defmodule MobilizonWeb.API.Groups do
alias Mobilizon.Actors
alias Mobilizon.Actors.Actor
alias Mobilizon.Service.ActivityPub
alias Mobilizon.Service.ActivityPub.Utils, as: ActivityPubUtils
alias Mobilizon.Users.User
alias MobilizonWeb.API.Utils
alias Mobilizon.Service.ActivityPub.Activity
@doc """
Create a group
"""
@spec create_group(User.t(), map()) :: {:ok, Activity.t(), Group.t()} | any()
def create_group(
user,
%{
preferred_username: title,
summary: summary,
creator_actor_id: creator_actor_id,
avatar: _avatar,
banner: _banner
} = args
) do
with {:is_owned, %Actor{} = actor} <- User.owns_actor(user, creator_actor_id),
title <- String.trim(title),
{:existing_group, nil} <- {:existing_group, Actors.get_group_by_title(title)},
visibility <- Map.get(args, :visibility, :public),
{content_html, tags, to, cc} <-
Utils.prepare_content(actor, summary, visibility, [], nil),
group <- ActivityPubUtils.make_group_data(actor.url, to, title, content_html, tags, cc) do
ActivityPub.create(%{
to: ["https://www.w3.org/ns/activitystreams#Public"],
actor: actor,
object: group,
local: true
})
@spec create_group(map()) :: {:ok, Activity.t(), Actor.t()} | any()
def create_group(args) do
with preferred_username <-
args |> Map.get(:preferred_username) |> HtmlSanitizeEx.strip_tags() |> String.trim(),
{:existing_group, nil} <-
{:existing_group, Actors.get_local_group_by_title(preferred_username)},
{:ok, %Activity{} = activity, %Actor{} = group} <- ActivityPub.create(:group, args, true) do
{:ok, activity, group}
else
{:existing_group, _} ->
{:error, "A group with this name already exists"}

11
lib/mobilizon_web/api/participations.ex
View File

@@ -38,12 +38,11 @@ defmodule MobilizonWeb.API.Participations do
) do
with {:ok, activity, _} <-
ActivityPub.accept(
%{
to: [participation.actor.url],
actor: moderator.url,
object: participation.url
},
"#{MobilizonWeb.Endpoint.url()}/accept/join/#{participation.id}"
:join,
participation,
%{role: :participant},
true,
%{"to" => [moderator.url]}
),
{:ok, %Participant{role: :participant} = participation} <-
Events.update_participant(participation, %{"role" => :participant}),

95
lib/mobilizon_web/api/utils.ex
View File

@@ -3,89 +3,9 @@ defmodule MobilizonWeb.API.Utils do
Utils for API.
"""
alias Mobilizon.Actors.Actor
alias Mobilizon.Config
alias Mobilizon.Service.Formatter
@ap_public "https://www.w3.org/ns/activitystreams#Public"
@doc """
Determines the full audience based on mentions for a public audience
Audience is:
* `to` : the mentioned actors, the eventual actor we're replying to and the public
* `cc` : the actor's followers
"""
@spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
def get_to_and_cc(%Actor{} = actor, mentions, inReplyTo, :public) do
to = [@ap_public | mentions]
cc = [actor.followers_url]
if inReplyTo do
{Enum.uniq([inReplyTo.actor | to]), cc}
else
{to, cc}
end
end
@doc """
Determines the full audience based on mentions based on a unlisted audience
Audience is:
* `to` : the mentionned actors, actor's followers and the eventual actor we're replying to
* `cc` : public
"""
@spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
def get_to_and_cc(%Actor{} = actor, mentions, inReplyTo, :unlisted) do
to = [actor.followers_url | mentions]
cc = [@ap_public]
if inReplyTo do
{Enum.uniq([inReplyTo.actor | to]), cc}
else
{to, cc}
end
end
@doc """
Determines the full audience based on mentions based on a private audience
Audience is:
* `to` : the mentioned actors, actor's followers and the eventual actor we're replying to
* `cc` : none
"""
@spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
def get_to_and_cc(%Actor{} = actor, mentions, inReplyTo, :private) do
{to, cc} = get_to_and_cc(actor, mentions, inReplyTo, :direct)
{[actor.followers_url | to], cc}
end
@doc """
Determines the full audience based on mentions based on a direct audience
Audience is:
* `to` : the mentioned actors and the eventual actor we're replying to
* `cc` : none
"""
@spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
def get_to_and_cc(_actor, mentions, inReplyTo, :direct) do
if inReplyTo do
{Enum.uniq([inReplyTo.actor | mentions]), []}
else
{mentions, []}
end
end
def get_to_and_cc(_actor, mentions, _inReplyTo, {:list, _}) do
{mentions, []}
end
# def get_addressed_users(_, to) when is_list(to) do
# Actors.get(to)
# end
def get_addressed_users(mentioned_users, _), do: mentioned_users
@doc """
Creates HTML content from text and mentions
"""
@@ -126,19 +46,4 @@ defmodule MobilizonWeb.API.Utils do
{:error, "Comment must be up to #{max_size} characters"}
end
end
def prepare_content(actor, content, visibility, tags, in_reply_to) do
with content <- String.trim(content || ""),
{content_html, mentions, tags} <-
make_content_html(
content,
tags,
"text/html"
),
mentioned_users <- for({_, mentioned_user} <- mentions, do: mentioned_user.url),
addressed_users <- get_addressed_users(mentioned_users, nil),
{to, cc} <- get_to_and_cc(actor, addressed_users, in_reply_to, visibility) do
{content_html, tags, to, cc}
end
end
end

12
lib/mobilizon_web/resolvers/comment.ex
View File

@@ -4,19 +4,19 @@ defmodule MobilizonWeb.Resolvers.Comment do
"""
alias Mobilizon.Events.Comment
alias Mobilizon.Service.ActivityPub.Activity
alias Mobilizon.Users.User
alias Mobilizon.Actors.Actor
alias MobilizonWeb.API.Comments
require Logger
def create_comment(_parent, %{text: comment, actor_username: username}, %{
context: %{current_user: %User{} = _user}
def create_comment(_parent, %{text: text, actor_id: actor_id}, %{
context: %{current_user: %User{} = user}
}) do
with {:ok, %Activity{data: %{"object" => %{"type" => "Note"} = _object}},
%Comment{} = comment} <-
Comments.create_comment(username, comment) do
with {:is_owned, %Actor{} = _organizer_actor} <- User.owns_actor(user, actor_id),
{:ok, _, %Comment{} = comment} <-
Comments.create_comment(%{actor_id: actor_id, text: text}) do
{:ok, comment}
end
end

60
lib/mobilizon_web/resolvers/event.ex
View File

@@ -7,11 +7,8 @@ defmodule MobilizonWeb.Resolvers.Event do
alias Mobilizon.Actors
alias Mobilizon.Actors.Actor
alias Mobilizon.Addresses
alias Mobilizon.Addresses.Address
alias Mobilizon.Events
alias Mobilizon.Events.{Event, Participant}
alias Mobilizon.Media.Picture
alias Mobilizon.Events.{Event, Participant, EventParticipantStats}
alias Mobilizon.Service.ActivityPub.Activity
alias Mobilizon.Users.User
@@ -96,14 +93,8 @@ defmodule MobilizonWeb.Resolvers.Event do
{:ok, []}
end
def stats_participants_for_event(%Event{id: id}, _args, _resolution) do
{:ok,
%{
approved: Mobilizon.Events.count_approved_participants(id),
unapproved: Mobilizon.Events.count_unapproved_participants(id),
rejected: Mobilizon.Events.count_rejected_participants(id),
participants: Mobilizon.Events.count_participant_participants(id)
}}
def stats_participants_going(%EventParticipantStats{} = stats, _args, _resolution) do
{:ok, stats.participant + stats.moderator + stats.administrator + stats.creator}
end
@doc """
@@ -277,8 +268,6 @@ defmodule MobilizonWeb.Resolvers.Event do
with args <- Map.put(args, :options, args[:options] || %{}),
{:is_owned, %Actor{} = organizer_actor} <- User.owns_actor(user, organizer_actor_id),
args_with_organizer <- Map.put(args, :organizer_actor, organizer_actor),
{:ok, args_with_organizer} <- save_attached_picture(args_with_organizer),
{:ok, args_with_organizer} <- save_physical_address(args_with_organizer),
{:ok, %Activity{data: %{"object" => %{"type" => "Event"}}}, %Event{} = event} <-
MobilizonWeb.API.Events.create_event(args_with_organizer) do
{:ok, event}
@@ -309,8 +298,6 @@ defmodule MobilizonWeb.Resolvers.Event do
{:is_owned, %Actor{} = organizer_actor} <-
User.owns_actor(user, event.organizer_actor_id),
args <- Map.put(args, :organizer_actor, organizer_actor),
{:ok, args} <- save_attached_picture(args),
{:ok, args} <- save_physical_address(args),
{:ok, %Activity{data: %{"object" => %{"type" => "Event"}}}, %Event{} = event} <-
MobilizonWeb.API.Events.update_event(args, event) do
{:ok, event}
@@ -327,47 +314,6 @@ defmodule MobilizonWeb.Resolvers.Event do
{:error, "You need to be logged-in to update an event"}
end
# If we have an attached picture, just transmit it. It will be handled by
# Mobilizon.Service.ActivityPub.Utils.make_picture_data/1
# However, we need to pass its actor ID
@spec save_attached_picture(map()) :: {:ok, map()}
defp save_attached_picture(
%{picture: %{picture: %{file: %Plug.Upload{} = _picture} = all_pic}} = args
) do
{:ok, Map.put(args, :picture, Map.put(all_pic, :actor_id, args.organizer_actor.id))}
end
# Otherwise if we use a previously uploaded picture we need to fetch it from database
@spec save_attached_picture(map()) :: {:ok, map()}
defp save_attached_picture(%{picture: %{picture_id: picture_id}} = args) do
with %Picture{} = picture <- Mobilizon.Media.get_picture(picture_id) do
{:ok, Map.put(args, :picture, picture)}
end
end
@spec save_attached_picture(map()) :: {:ok, map()}
defp save_attached_picture(args), do: {:ok, args}
@spec save_physical_address(map()) :: {:ok, map()}
defp save_physical_address(%{physical_address: %{url: physical_address_url}} = args)
when not is_nil(physical_address_url) do
with %Address{} = address <- Addresses.get_address_by_url(physical_address_url),
args <- Map.put(args, :physical_address, address.url) do
{:ok, args}
end
end
@spec save_physical_address(map()) :: {:ok, map()}
defp save_physical_address(%{physical_address: address} = args) when address != nil do
with {:ok, %Address{} = address} <- Addresses.create_address(address),
args <- Map.put(args, :physical_address, address.url) do
{:ok, args}
end
end
@spec save_physical_address(map()) :: {:ok, map()}
defp save_physical_address(args), do: {:ok, args}
@doc """
Delete an event
"""

28
lib/mobilizon_web/resolvers/group.ex
View File

@@ -6,7 +6,6 @@ defmodule MobilizonWeb.Resolvers.Group do
alias Mobilizon.Actors
alias Mobilizon.Actors.{Actor, Member}
alias Mobilizon.Service.ActivityPub
alias Mobilizon.Service.ActivityPub.Activity
alias Mobilizon.Users.User
alias MobilizonWeb.API
@@ -47,23 +46,18 @@ defmodule MobilizonWeb.Resolvers.Group do
args,
%{context: %{current_user: user}}
) do
with {
:ok,
%Activity{data: %{"object" => %{"type" => "Group"} = _object}},
%Actor{} = group
} <-
API.Groups.create_group(
user,
%{
preferred_username: args.preferred_username,
creator_actor_id: args.creator_actor_id,
name: Map.get(args, "name", args.preferred_username),
summary: args.summary,
avatar: Map.get(args, "avatar"),
banner: Map.get(args, "banner")
}
) do
with creator_actor_id <- Map.get(args, :creator_actor_id),
{:is_owned, %Actor{} = actor} <- User.owns_actor(user, creator_actor_id),
args <- Map.put(args, :creator_actor, actor),
{:ok, _activity, %Actor{type: :Group} = group} <-
API.Groups.create_group(args) do
{:ok, group}
else
{:error, err} when is_bitstring(err) ->
{:error, err}
{:is_owned, nil} ->
{:error, "Creator actor id is not owned by the current user"}
end
end

2
lib/mobilizon_web/resolvers/person.ex
View File

@@ -155,7 +155,7 @@ defmodule MobilizonWeb.Resolvers.Person do
if Map.has_key?(args, key) && !is_nil(args[key][:picture]) do
pic = args[key][:picture]
with {:ok, %{"name" => name, "url" => [%{"href" => url, "mediaType" => content_type}]}} <-
with {:ok, %{name: name, url: url, content_type: content_type, size: _size}} <-
MobilizonWeb.Upload.store(pic.file, type: key, description: pic.alt) do
Map.put(args, key, %{"name" => name, "url" => url, "mediaType" => content_type})
end

2
lib/mobilizon_web/resolvers/picture.ex
View File

@@ -51,7 +51,7 @@ defmodule MobilizonWeb.Resolvers.Picture do
%{context: %{current_user: user}}
) do
with {:is_owned, %Actor{}} <- User.owns_actor(user, actor_id),
{:ok, %{"url" => [%{"href" => url, "mediaType" => content_type}], "size" => size}} <-
{:ok, %{name: _name, url: url, content_type: content_type, size: size}} <-
MobilizonWeb.Upload.store(file),
args <-
args

2
lib/mobilizon_web/schema/comment.ex
View File

@@ -35,7 +35,7 @@ defmodule MobilizonWeb.Schema.CommentType do
@desc "Create a comment"
field :create_comment, type: :comment do
arg(:text, non_null(:string))
arg(:actor_username, non_null(:string))
arg(:actor_id, non_null(:id))
resolve(&Comment.create_comment/3)
end

16
lib/mobilizon_web/schema/event.ex
View File

@@ -63,7 +63,7 @@ defmodule MobilizonWeb.Schema.EventType do
field(:draft, :boolean, description: "Whether or not the event is a draft")
field(:participant_stats, :participant_stats, resolve: &Event.stats_participants_for_event/3)
field(:participant_stats, :participant_stats)
field(:participants, list_of(:participant), description: "The event's participants") do
arg(:page, :integer, default_value: 1)
@@ -112,13 +112,21 @@ defmodule MobilizonWeb.Schema.EventType do
end
object :participant_stats do
field(:approved, :integer, description: "The number of approved participants")
field(:unapproved, :integer, description: "The number of unapproved participants")
field(:going, :integer,
description: "The number of approved participants",
resolve: &Event.stats_participants_going/3
)
field(:not_approved, :integer, description: "The number of not approved participants")
field(:rejected, :integer, description: "The number of rejected participants")
field(:participants, :integer,
field(:participant, :integer,
description: "The number of simple participants (excluding creators)"
)
field(:moderator, :integer, description: "The number of moderators")
field(:administrator, :integer, description: "The number of administrators")
field(:creator, :integer, description: "The number of creators")
end
object :event_offer do

24
lib/mobilizon_web/upload.ex
View File

@@ -73,16 +73,10 @@ defmodule MobilizonWeb.Upload do
{:ok, url_spec} <- Uploaders.Uploader.put_file(opts.uploader, upload) do
{:ok,
%{
"type" => opts.activity_type || get_type(upload.content_type),
"url" => [
%{
"type" => "Link",
"mediaType" => upload.content_type,
"href" => url_from_spec(upload, opts.base_url, url_spec)
}
],
"size" => upload.size,
"name" => Map.get(opts, :description) || upload.name
name: Map.get(opts, :description) || upload.name,
url: url_from_spec(upload, opts.base_url, url_spec),
content_type: upload.content_type,
size: upload.size
}}
else
{:error, error} ->
@@ -166,16 +160,6 @@ defmodule MobilizonWeb.Upload do
defp check_file_size(_, _), do: :ok
@picture_content_types ["image/gif", "image/png", "image/jpg", "image/jpeg", "image/webp"]
# Return whether the upload is a picture or not
defp get_type(content_type) do
if content_type in @picture_content_types do
"Image"
else
"Document"
end
end
defp url_from_spec(%__MODULE__{name: name}, base_url, {:file, path}) do
path =
URI.encode(path, &char_unescaped?/1) <>