234 lines
		
	
	
	
		
			9.7 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			234 lines
		
	
	
	
		
			9.7 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
| defmodule Pleroma.Web.OStatus.ActivityRepresenter do
 | |
|   alias Pleroma.{Activity, User, Object}
 | |
|   alias Pleroma.Web.OStatus.UserRepresenter
 | |
|   require Logger
 | |
| 
 | |
|   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(%{"object" => %{"inReplyTo" => in_reply_to}}) do
 | |
|     [{:"thr:in-reply-to", [ref: to_charlist(in_reply_to), href: to_charlist(get_href(in_reply_to))], []}]
 | |
|   end
 | |
| 
 | |
|   defp get_in_reply_to(_), do: []
 | |
| 
 | |
|   defp get_mentions(to) do
 | |
|     Enum.map(to, fn (id) ->
 | |
|       cond do
 | |
|         # Special handling for the AP/Ostatus public collections
 | |
|         "https://www.w3.org/ns/activitystreams#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, data: data}) do
 | |
|     h = fn(str) -> [to_charlist(str)] end
 | |
|     [
 | |
|       {:link, [type: ['application/atom+xml'], href: h.(data["object"]["id"]), rel: 'self'], []},
 | |
|       {:link, [type: ['text/html'], href: h.(data["object"]["id"]), rel: 'alternate'], []}
 | |
|     ]
 | |
|   end
 | |
| 
 | |
|   defp get_links(%{local: false,
 | |
|                    data: %{
 | |
|                      "object" => %{
 | |
|                        "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), do: []
 | |
| 
 | |
|   def to_simple_form(activity, user, with_author \\ false)
 | |
|   def to_simple_form(%{data: %{"object" => %{"type" => "Note"}}} = activity, user, with_author) do
 | |
|     h = fn(str) -> [to_charlist(str)] end
 | |
| 
 | |
|     updated_at = activity.data["object"]["published"]
 | |
|     inserted_at = activity.data["object"]["published"]
 | |
| 
 | |
|     attachments = Enum.map(activity.data["object"]["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.data)
 | |
|     author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
 | |
|     mentions = activity.data["to"] |> get_mentions
 | |
| 
 | |
|     categories = (activity.data["object"]["tag"] || [])
 | |
|     |> Enum.map(fn (tag) -> {:category, [term: to_charlist(tag)], []} end)
 | |
| 
 | |
|     [
 | |
|       {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
 | |
|       {:"activity:verb", ['http://activitystrea.ms/schema/1.0/post']},
 | |
|       {:id, h.(activity.data["object"]["id"])}, # For notes, federate the object id.
 | |
|       {:title, ['New note by #{user.nickname}']},
 | |
|       {:content, [type: 'html'], h.(activity.data["object"]["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'], []},
 | |
|     ] ++ get_links(activity) ++ categories ++ attachments ++ in_reply_to ++ author ++ mentions
 | |
|   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"]
 | |
| 
 | |
|     in_reply_to = get_in_reply_to(activity.data)
 | |
|     author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
 | |
|     mentions = activity.data["to"] |> 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']},
 | |
|         {:id, h.(activity.data["object"])}, # For notes, federate the object id.
 | |
|       ]},
 | |
|       {:"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"]
 | |
| 
 | |
|     in_reply_to = get_in_reply_to(activity.data)
 | |
|     author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
 | |
| 
 | |
|     retweeted_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
 | |
|     retweeted_user = User.get_cached_by_ap_id(retweeted_activity.data["actor"])
 | |
| 
 | |
|     retweeted_xml = to_simple_form(retweeted_activity, retweeted_user, true)
 | |
| 
 | |
|     mentions = activity.data["to"] |> 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_activity.data["object"]["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.data["to"] || []) |> 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"}} = 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: []
 | |
|     follow_activity = Activity.get_by_ap_id(activity.data["object"])
 | |
| 
 | |
|     mentions = (activity.data["to"] || []) |> get_mentions
 | |
|     [
 | |
|       {:"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 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
 | |
| 
 | |
|   def to_simple_form(_, _, _), do: nil
 | |
| end
 | 
