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     [
  46       {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
  47       {:"activity:verb", ['http://activitystrea.ms/schema/1.0/post']},
  48       {:id, h.(activity.data["object"]["id"])}, # For notes, federate the object id.
  49       {:title, ['New note by #{user.nickname}']},
  50       {:content, [type: 'html'], h.(activity.data["object"]["content"])},
  51       {:published, h.(inserted_at)},
  52       {:updated, h.(updated_at)},
  53       {:"ostatus:conversation", [], h.(activity.data["context"])},
  54       {:link, [href: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
  55       {:link, [type: ['application/atom+xml'], href: h.(activity.data["object"]["id"]), rel: 'self'], []}
  56     ] ++ attachments ++ in_reply_to ++ author ++ mentions
  57   end
  58
  59   def to_simple_form(%{data: %{"type" => "Like"}} = activity, user, with_author) do
  60     h = fn(str) -> [to_charlist(str)] end
  61
  62     updated_at = activity.updated_at
  63     |> NaiveDateTime.to_iso8601
  64     inserted_at = activity.inserted_at
  65     |> NaiveDateTime.to_iso8601
  66
  67     in_reply_to = get_in_reply_to(activity.data)
  68     author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
  69     mentions = activity.data["to"] |> get_mentions
  70
  71     [
  72       {:"activity:verb", ['http://activitystrea.ms/schema/1.0/favorite']},
  73       {:id, h.(activity.data["id"])},
  74       {:title, ['New favorite by #{user.nickname}']},
  75       {:content, [type: 'html'], ['#{user.nickname} favorited something']},
  76       {:published, h.(inserted_at)},
  77       {:updated, h.(updated_at)},
  78       {:"activity:object", [
  79         {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
  80         {:id, h.(activity.data["object"])}, # For notes, federate the object id.
  81       ]},
  82       {:"ostatus:conversation", [], h.(activity.data["context"])},
  83       {:link, [href: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
  84       {:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []},
  85       {:"thr:in-reply-to", [ref: to_charlist(activity.data["object"])], []}
  86     ] ++ author ++ mentions
  87   end
  88
  89   def to_simple_form(%{data: %{"type" => "Announce"}} = activity, user, with_author) do
  90     h = fn(str) -> [to_charlist(str)] end
  91
  92     updated_at = activity.updated_at
  93     |> NaiveDateTime.to_iso8601
  94     inserted_at = activity.inserted_at
  95     |> NaiveDateTime.to_iso8601
  96
  97     in_reply_to = get_in_reply_to(activity.data)
  98     author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
  99
 100     retweeted_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 101     retweeted_user = User.get_cached_by_ap_id(retweeted_activity.data["actor"])
 102
 103     retweeted_xml = to_simple_form(retweeted_activity, retweeted_user, true)
 104
 105     mentions = activity.data["to"] |> get_mentions
 106     [
 107       {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
 108       {:"activity:verb", ['http://activitystrea.ms/schema/1.0/share']},
 109       {:id, h.(activity.data["id"])},
 110       {:title, ['#{user.nickname} repeated a notice']},
 111       {:content, [type: 'html'], ['RT #{retweeted_activity.data["object"]["content"]}']},
 112       {:published, h.(inserted_at)},
 113       {:updated, h.(updated_at)},
 114       {:"ostatus:conversation", [], h.(activity.data["context"])},
 115       {:link, [href: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
 116       {:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []},
 117       {:"activity:object", retweeted_xml}
 118     ] ++ mentions ++ author
 119   end
 120
 121   def wrap_with_entry(simple_form) do
 122     [{
 123       :entry, [
 124         xmlns: 'http://www.w3.org/2005/Atom',
 125         "xmlns:thr": 'http://purl.org/syndication/thread/1.0',
 126         "xmlns:activity": 'http://activitystrea.ms/spec/1.0/',
 127         "xmlns:poco": 'http://portablecontacts.net/spec/1.0',
 128         "xmlns:ostatus": 'http://ostatus.org/schema/1.0'
 129       ], simple_form
 130     }]
 131   end
 132
 133   def to_simple_form(_,_,_), do: nil
 134 end