about summary refs log tree commit diff
path: root/app/controllers/api/v1/statuses_controller.rb
blob: e329a85a3db38e20eeba18280f8416fa20a2313d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
# frozen_string_literal: true

class Api::V1::StatusesController < Api::BaseController
  include Authorization

  before_action -> { authorize_if_got_token! :read, :'read:statuses' }, except: [:create, :destroy]
  before_action -> { doorkeeper_authorize! :write, :'write:statuses' }, only:   [:create, :destroy]
  before_action :require_user!, except:  [:show, :context]
  before_action :set_status, only:       [:show, :context]
  before_action :set_thread, only:       [:create]

  override_rate_limit_headers :create, family: :statuses

  # This API was originally unlimited, pagination cannot be introduced without
  # breaking backwards-compatibility. Arbitrarily high number to cover most
  # conversations as quasi-unlimited, it would be too much work to render more
  # than this anyway
  CONTEXT_LIMIT = 4_096

  def show
    @status = cache_collection([@status], Status).first
    render json: @status, serializer: REST::StatusSerializer, source_requested: truthy_param?(:source)
  end

  def context
    ancestors_results   = @status.in_reply_to_id.nil? ? [] : @status.ancestors(CONTEXT_LIMIT, current_account)
    descendants_results = @status.descendants(CONTEXT_LIMIT, current_account)
    loaded_ancestors    = cache_collection(ancestors_results, Status)
    loaded_descendants  = cache_collection(descendants_results, Status)

    @context = Context.new(ancestors: loaded_ancestors, descendants: loaded_descendants)
    statuses = [@status] + @context.ancestors + @context.descendants

    render json: @context, serializer: REST::ContextSerializer, relationships: StatusRelationshipsPresenter.new(statuses, current_user&.account_id), current_account_id: current_user&.account_id
  end

  def create
    @status = PostStatusService.new.call(current_user.account,
                                         text: status_params[:status],
                                         thread: @thread,
                                         media_ids: status_params[:media_ids],
                                         sensitive: status_params[:sensitive],
                                         spoiler_text: status_params[:spoiler_text],
                                         title: status_params[:title],
                                         visibility: status_params[:visibility],
                                         local_only: status_params[:local_only],
                                         scheduled_at: status_params[:scheduled_at],
                                         application: doorkeeper_token.application,
                                         poll: status_params[:poll],
                                         content_type: status_params[:content_type],
                                         tags: parse_tags_param(status_params[:tags]),
                                         mentions: parse_mentions_param(status_params[:mentions]),
                                         idempotency: request.headers['Idempotency-Key'],
                                         with_rate_limit: true)

    render json: @status,
           serializer: (@status.is_a?(ScheduledStatus) ? REST::ScheduledStatusSerializer : REST::StatusSerializer),
           source_requested: truthy_param?(:source)
  end

  def update
    @status = Status.where(account_id: current_user.account).find(params[:id])
    authorize @status, :destroy?

    @status = PostStatusService.new.call(current_user.account,
                                         text: status_params[:status],
                                         thread: @thread,
                                         media_ids: status_params[:media_ids],
                                         sensitive: status_params[:sensitive],
                                         spoiler_text: status_params[:spoiler_text],
                                         title: status_params[:title],
                                         visibility: status_params[:visibility],
                                         local_only: status_params[:local_only],
                                         scheduled_at: status_params[:scheduled_at],
                                         application: doorkeeper_token.application,
                                         poll: status_params[:poll],
                                         content_type: status_params[:content_type],
                                         status: @status,
                                         tags: parse_tags_param(status_params[:tags]),
                                         mentions: parse_mentions_param(status_params[:mentions]),
                                         idempotency: request.headers['Idempotency-Key'],
                                         with_rate_limit: true)

    render json: @status,
           serializer: (@status.is_a?(ScheduledStatus) ? REST::ScheduledStatusSerializer : REST::StatusSerializer),
           source_requested: truthy_param?(:source)
  end

  def destroy
    @status = Status.where(account_id: current_user.account).find(params[:id])
    authorize @status, :destroy?

    @status.discard
    RemovalWorker.perform_async(@status.id, redraft: true)
    @status.account.statuses_count = @status.account.statuses_count - 1

    render json: @status, serializer: REST::StatusSerializer, source_requested: true
  end

  private

  def set_status
    @status = Status.find(params[:id])
    authorize @status, :show?
  rescue Mastodon::NotPermittedError
    not_found
  end

  def set_thread
    @thread = status_params[:in_reply_to_id].blank? ? nil : Status.find(status_params[:in_reply_to_id])
  rescue ActiveRecord::RecordNotFound
    render json: { error: I18n.t('statuses.errors.in_reply_not_found') }, status: 404
  end

  def status_params
    params.permit(
      :status,
      :in_reply_to_id,
      :sensitive,
      :spoiler_text,
      :title,
      :visibility,
      :local_only,
      :scheduled_at,
      :content_type,
      tags: [],
      mentions: [],
      media_ids: [],
      poll: [
        :multiple,
        :hide_totals,
        :expires_in,
        options: [],
      ]
    )
  end

  def pagination_params(core_params)
    params.slice(:limit).permit(:limit).merge(core_params)
  end

  def parse_tags_param(tags_param)
    return if tags_param.blank?

    tags_param.select { |value| value.respond_to?(:to_str) && value.present? }
  end

  def parse_mentions_param(mentions_param)
    return if mentions_param.blank?

    mentions_param.map do |value|
      next if value.blank?

      value = value.split('@', 3) if value.respond_to?(:to_str)
      next unless value.is_a?(Enumerable)

      mentioned_account = Account.find_by(username: value[0], domain: value[1])
      next if mentioned_account.nil? || mentioned_account.suspended?

      mentioned_account
    end
  end
end