git.squeep.com Git - akkoma/blob - lib/pleroma/web/ostatus/activity_representer.ex

   1 defmodule Pleroma.Web.OStatus.ActivityRepresenter do
   2   alias Pleroma.{Activity, User}
   3   alias Pleroma.Web.OStatus.UserRepresenter
   4   require Logger
   5
   6   defp get_in_reply_to(%{"object" => %{"inReplyTo" => in_reply_to}}) do
   7     [{:"thr:in-reply-to", [ref: to_charlist(in_reply_to)], []}]
   8   end
   9
  10   defp get_in_reply_to(_), do: []
  11
  12   defp get_mentions(to) do
  13     Enum.map(to, fn (id) ->
  14       cond do
  15         # Special handling for the AP/Ostatus public collections
  16         "https://www.w3.org/ns/activitystreams#Public" == id ->
  17           {:link, [rel: "mentioned", "ostatus:object-type": "http://activitystrea.ms/schema/1.0/collection", href: "http://activityschema.org/collection/public"], []}
  18         # Ostatus doesn't handle follower collections, ignore these.
  19         Regex.match?(~r/^#{Pleroma.Web.base_url}.+followers$/, id) ->
  20           []
  21         true ->
  22           {:link, [rel: "mentioned", "ostatus:object-type": "http://activitystrea.ms/schema/1.0/person", href: id], []}
  23       end
  24     end)
  25   end
  26
  27   def to_simple_form(activity, user, with_author \\ false)
  28   def to_simple_form(%{data: %{"object" => %{"type" => "Note"}}} = activity, user, with_author) do
  29     h = fn(str) -> [to_charlist(str)] end
  30
  31     updated_at = activity.updated_at
  32     |> NaiveDateTime.to_iso8601
  33     inserted_at = activity.inserted_at
  34     |> NaiveDateTime.to_iso8601
  35
  36     attachments = Enum.map(activity.data["object"]["attachment"] || [], fn(attachment) ->
  37       url = hd(attachment["url"])
  38       {:link, [rel: 'enclosure', href: to_charlist(url["href"]), type: to_charlist(url["mediaType"])], []}
  39     end)
  40
  41     in_reply_to = get_in_reply_to(activity.data)
  42     author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
  43     mentions = activity.data["to"] |> get_mentions
  44
  45     categories = (activity.data["object"]["tag"] || [])
  46     |> Enum.map(fn (tag) -> {:category, [term: to_charlist(tag)], []} end)
  47
  48     [
  49       {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
  50       {:"activity:verb", ['http://activitystrea.ms/schema/1.0/post']},
  51       {:id, h.(activity.data["object"]["id"])}, # For notes, federate the object id.
  52       {:title, ['New note by #{user.nickname}']},
  53       {:content, [type: 'html'], h.(activity.data["object"]["content"])},
  54       {:published, h.(inserted_at)},
  55       {:updated, h.(updated_at)},
  56       {:"ostatus:conversation", [], h.(activity.data["context"])},
  57       {:link, [href: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
  58       {:link, [type: ['application/atom+xml'], href: h.(activity.data["object"]["id"]), rel: 'self'], []}
  59     ] ++ categories ++ attachments ++ in_reply_to ++ author ++ mentions
  60   end
  61
  62   def to_simple_form(%{data: %{"type" => "Like"}} = activity, user, with_author) do
  63     h = fn(str) -> [to_charlist(str)] end
  64
  65     updated_at = activity.updated_at
  66     |> NaiveDateTime.to_iso8601
  67     inserted_at = activity.inserted_at
  68     |> NaiveDateTime.to_iso8601
  69
  70     in_reply_to = get_in_reply_to(activity.data)
  71     author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
  72     mentions = activity.data["to"] |> get_mentions
  73
  74     [
  75       {:"activity:verb", ['http://activitystrea.ms/schema/1.0/favorite']},
  76       {:id, h.(activity.data["id"])},
  77       {:title, ['New favorite by #{user.nickname}']},
  78       {:content, [type: 'html'], ['#{user.nickname} favorited something']},
  79       {:published, h.(inserted_at)},
  80       {:updated, h.(updated_at)},
  81       {:"activity:object", [
  82         {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
  83         {:id, h.(activity.data["object"])}, # For notes, federate the object id.
  84       ]},
  85       {:"ostatus:conversation", [], h.(activity.data["context"])},
  86       {:link, [href: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
  87       {:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []},
  88       {:"thr:in-reply-to", [ref: to_charlist(activity.data["object"])], []}
  89     ] ++ author ++ mentions
  90   end
  91
  92   def to_simple_form(%{data: %{"type" => "Announce"}} = activity, user, with_author) do
  93     h = fn(str) -> [to_charlist(str)] end
  94
  95     updated_at = activity.updated_at
  96     |> NaiveDateTime.to_iso8601
  97     inserted_at = activity.inserted_at
  98     |> NaiveDateTime.to_iso8601
  99
 100     in_reply_to = get_in_reply_to(activity.data)
 101     author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
 102
 103     retweeted_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 104     retweeted_user = User.get_cached_by_ap_id(retweeted_activity.data["actor"])
 105
 106     retweeted_xml = to_simple_form(retweeted_activity, retweeted_user, true)
 107
 108     mentions = activity.data["to"] |> get_mentions
 109     [
 110       {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
 111       {:"activity:verb", ['http://activitystrea.ms/schema/1.0/share']},
 112       {:id, h.(activity.data["id"])},
 113       {:title, ['#{user.nickname} repeated a notice']},
 114       {:content, [type: 'html'], ['RT #{retweeted_activity.data["object"]["content"]}']},
 115       {:published, h.(inserted_at)},
 116       {:updated, h.(updated_at)},
 117       {:"ostatus:conversation", [], h.(activity.data["context"])},
 118       {:link, [href: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
 119       {:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []},
 120       {:"activity:object", retweeted_xml}
 121     ] ++ mentions ++ author
 122   end
 123
 124   def to_simple_form(%{data: %{"type" => "Follow"}} = activity, user, with_author) do
 125     h = fn(str) -> [to_charlist(str)] end
 126
 127     updated_at = activity.updated_at
 128     |> NaiveDateTime.to_iso8601
 129     inserted_at = activity.inserted_at
 130     |> NaiveDateTime.to_iso8601
 131
 132     author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
 133
 134     mentions = (activity.data["to"] || []) |> get_mentions
 135     [
 136       {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
 137       {:"activity:verb", ['http://activitystrea.ms/schema/1.0/follow']},
 138       {:id, h.(activity.data["id"])},
 139       {:title, ['#{user.nickname} started following #{activity.data["object"]}']},
 140       {:content, [type: 'html'], ['#{user.nickname} started following #{activity.data["object"]}']},
 141       {:published, h.(inserted_at)},
 142       {:updated, h.(updated_at)},
 143       {:"activity:object", [
 144         {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/person']},
 145         {:id, h.(activity.data["object"])},
 146         {:uri, h.(activity.data["object"])},
 147       ]},
 148       {:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []},
 149     ] ++ mentions ++ author
 150   end
 151
 152   # Only undos of follow for now. Will need to get redone once there are more
 153   def to_simple_form(%{data: %{"type" => "Undo"}} = activity, user, with_author) do
 154     h = fn(str) -> [to_charlist(str)] end
 155
 156     updated_at = activity.updated_at
 157     |> NaiveDateTime.to_iso8601
 158     inserted_at = activity.inserted_at
 159     |> NaiveDateTime.to_iso8601
 160
 161     author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
 162     follow_activity = Activity.get_by_ap_id(activity.data["object"])
 163
 164     mentions = (activity.data["to"] || []) |> get_mentions
 165     [
 166       {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
 167       {:"activity:verb", ['http://activitystrea.ms/schema/1.0/unfollow']},
 168       {:id, h.(activity.data["id"])},
 169       {:title, ['#{user.nickname} stopped following #{follow_activity.data["object"]}']},
 170       {:content, [type: 'html'], ['#{user.nickname} stopped following #{follow_activity.data["object"]}']},
 171       {:published, h.(inserted_at)},
 172       {:updated, h.(updated_at)},
 173       {:"activity:object", [
 174         {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/person']},
 175         {:id, h.(follow_activity.data["object"])},
 176         {:uri, h.(follow_activity.data["object"])},
 177       ]},
 178       {:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []},
 179     ] ++ mentions ++ author
 180   end
 181
 182   def wrap_with_entry(simple_form) do
 183     [{
 184       :entry, [
 185         xmlns: 'http://www.w3.org/2005/Atom',
 186         "xmlns:thr": 'http://purl.org/syndication/thread/1.0',
 187         "xmlns:activity": 'http://activitystrea.ms/spec/1.0/',
 188         "xmlns:poco": 'http://portablecontacts.net/spec/1.0',
 189         "xmlns:ostatus": 'http://ostatus.org/schema/1.0'
 190       ], simple_form
 191     }]
 192   end
 193
 194   def to_simple_form(_, _, _), do: nil
 195 end