alias Pleroma.{Repo, User, Web, Object, Activity}
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.{WebFinger, Websub}
- alias Pleroma.Web.OStatus.FollowHandler
+ alias Pleroma.Web.OStatus.{FollowHandler, UnfollowHandler, NoteHandler, DeleteHandler}
+ alias Pleroma.Web.ActivityPub.Transmogrifier
def feed_path(user) do
"#{user.ap_id}/feed.atom"
end
def pubsub_path(user) do
- "#{Web.base_url}/push/hub/#{user.nickname}"
+ "#{Web.base_url()}/push/hub/#{user.nickname}"
end
def salmon_path(user) do
"#{user.ap_id}/salmon"
end
+ def remote_follow_path do
+ "#{Web.base_url()}/ostatus_subscribe?acct={uri}"
+ end
+
def handle_incoming(xml_string) do
- doc = parse_document(xml_string)
- entries = :xmerl_xpath.string('//entry', doc)
-
- activities = Enum.map(entries, fn (entry) ->
- {:xmlObj, :string, object_type} = :xmerl_xpath.string('string(/entry/activity:object-type[1])', entry)
- {:xmlObj, :string, verb} = :xmerl_xpath.string('string(/entry/activity:verb[1])', entry)
-
- case verb do
- 'http://activitystrea.ms/schema/1.0/follow' ->
- with {:ok, activity} <- FollowHandler.handle(entry, doc), do: activity
- 'http://activitystrea.ms/schema/1.0/share' ->
- with {:ok, activity, retweeted_activity} <- handle_share(entry, doc), do: [activity, retweeted_activity]
- 'http://activitystrea.ms/schema/1.0/favorite' ->
- with {:ok, activity, favorited_activity} <- handle_favorite(entry, doc), do: [activity, favorited_activity]
- _ ->
- case object_type do
- 'http://activitystrea.ms/schema/1.0/note' ->
- with {:ok, activity} <- handle_note(entry, doc), do: activity
- 'http://activitystrea.ms/schema/1.0/comment' ->
- with {:ok, activity} <- handle_note(entry, doc), do: activity
- _ ->
- Logger.error("Couldn't parse incoming document")
+ with doc when doc != :error <- parse_document(xml_string) do
+ entries = :xmerl_xpath.string('//entry', doc)
+
+ activities =
+ Enum.map(entries, fn entry ->
+ {:xmlObj, :string, object_type} =
+ :xmerl_xpath.string('string(/entry/activity:object-type[1])', entry)
+
+ {:xmlObj, :string, verb} = :xmerl_xpath.string('string(/entry/activity:verb[1])', entry)
+ Logger.debug("Handling #{verb}")
+
+ try do
+ case verb do
+ 'http://activitystrea.ms/schema/1.0/delete' ->
+ with {:ok, activity} <- DeleteHandler.handle_delete(entry, doc), do: activity
+
+ 'http://activitystrea.ms/schema/1.0/follow' ->
+ with {:ok, activity} <- FollowHandler.handle(entry, doc), do: activity
+
+ 'http://activitystrea.ms/schema/1.0/unfollow' ->
+ with {:ok, activity} <- UnfollowHandler.handle(entry, doc), do: activity
+
+ 'http://activitystrea.ms/schema/1.0/share' ->
+ with {:ok, activity, retweeted_activity} <- handle_share(entry, doc),
+ do: [activity, retweeted_activity]
+
+ 'http://activitystrea.ms/schema/1.0/favorite' ->
+ with {:ok, activity, favorited_activity} <- handle_favorite(entry, doc),
+ do: [activity, favorited_activity]
+
+ _ ->
+ case object_type do
+ 'http://activitystrea.ms/schema/1.0/note' ->
+ with {:ok, activity} <- NoteHandler.handle_note(entry, doc), do: activity
+
+ 'http://activitystrea.ms/schema/1.0/comment' ->
+ with {:ok, activity} <- NoteHandler.handle_note(entry, doc), do: activity
+
+ _ ->
+ Logger.error("Couldn't parse incoming document")
+ nil
+ end
+ end
+ rescue
+ e ->
+ Logger.error("Error occured while handling activity")
+ Logger.error(xml_string)
+ Logger.error(inspect(e))
nil
end
- end
- end)
- {:ok, activities}
+ end)
+ |> Enum.filter(& &1)
+
+ {:ok, activities}
+ else
+ _e -> {:error, []}
+ end
end
def make_share(entry, doc, retweeted_activity) do
end
def handle_share(entry, doc) do
- with [object] <- :xmerl_xpath.string('/entry/activity:object', entry),
- {:ok, retweeted_activity} <- handle_note(object, object),
+ with {:ok, retweeted_activity} <- get_or_build_object(entry),
{:ok, activity} <- make_share(entry, doc, retweeted_activity) do
{:ok, activity, retweeted_activity}
else
end
end
+ def get_or_build_object(entry) do
+ with {:ok, activity} <- get_or_try_fetching(entry) do
+ {:ok, activity}
+ else
+ _e ->
+ with [object] <- :xmerl_xpath.string('/entry/activity:object', entry) do
+ NoteHandler.handle_note(object, object)
+ end
+ end
+ end
+
def get_or_try_fetching(entry) do
Logger.debug("Trying to get entry from db")
+
with id when not is_nil(id) <- string_from_xpath("//activity:object[1]/id", entry),
%Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
{:ok, activity}
- else e ->
+ else
+ _ ->
Logger.debug("Couldn't get, will try to fetch")
- with href when not is_nil(href) <- string_from_xpath("//activity:object[1]/link[@type=\"text/html\"]/@href", entry),
- {:ok, [favorited_activity]} <- fetch_activity_from_html_url(href) do
+
+ with href when not is_nil(href) <-
+ string_from_xpath("//activity:object[1]/link[@type=\"text/html\"]/@href", entry),
+ {:ok, [favorited_activity]} <- fetch_activity_from_url(href) do
{:ok, favorited_activity}
- else e -> Logger.debug("Couldn't find href: #{inspect(e)}")
+ else
+ e -> Logger.debug("Couldn't find href: #{inspect(e)}")
end
end
end
def get_attachments(entry) do
:xmerl_xpath.string('/entry/link[@rel="enclosure"]', entry)
- |> Enum.map(fn (enclosure) ->
+ |> Enum.map(fn enclosure ->
with href when not is_nil(href) <- string_from_xpath("/link/@href", enclosure),
type when not is_nil(type) <- string_from_xpath("/link/@type", enclosure) do
%{
"type" => "Attachment",
- "url" => [%{
- "type" => "Link",
- "mediaType" => type,
- "href" => href
- }]
+ "url" => [
+ %{
+ "type" => "Link",
+ "mediaType" => type,
+ "href" => href
+ }
+ ]
}
end
end)
- |> Enum.filter(&(&1))
+ |> Enum.filter(& &1)
end
+ @doc """
+ Gets the content from a an entry.
+ """
def get_content(entry) do
- base_content = string_from_xpath("//content", entry)
+ string_from_xpath("//content", entry)
+ end
- with scope when not is_nil(scope) <- string_from_xpath("//mastodon:scope", entry),
- cw when not is_nil(cw) <- string_from_xpath("/*/summary", entry) do
- "<span class='mastodon-cw'>#{cw}</span><br>#{base_content}"
- else _e -> base_content
+ @doc """
+ Get the cw that mastodon uses.
+ """
+ def get_cw(entry) do
+ with cw when not is_nil(cw) <- string_from_xpath("/*/summary", entry) do
+ cw
+ else
+ _e -> nil
end
end
- def handle_note(entry, doc \\ nil) do
- content_html = get_content(entry)
-
- [author] = :xmerl_xpath.string('//author[1]', doc)
- {:ok, actor} = find_make_or_update_user(author)
- inReplyTo = string_from_xpath("//thr:in-reply-to[1]/@ref", entry)
+ def get_tags(entry) do
+ :xmerl_xpath.string('//category', entry)
+ |> Enum.map(fn category -> string_from_xpath("/category/@term", category) end)
+ |> Enum.filter(& &1)
+ |> Enum.map(&String.downcase/1)
+ end
- if inReplyTo && !Object.get_cached_by_ap_id(inReplyTo) do
- inReplyToHref = string_from_xpath("//thr:in-reply-to[1]/@href", entry)
- if inReplyToHref do
- fetch_activity_from_html_url(inReplyToHref)
- else
- Logger.debug("Couldn't find a href link to #{inReplyTo}")
- end
+ def maybe_update(doc, user) do
+ if "true" == string_from_xpath("//author[1]/ap_enabled", doc) do
+ Transmogrifier.upgrade_user_from_ap_id(user.ap_id)
+ else
+ maybe_update_ostatus(doc, user)
end
+ end
- context = (string_from_xpath("//ostatus:conversation[1]", entry) || "") |> String.trim
-
- attachments = get_attachments(entry)
-
- context = with %{data: %{"context" => context}} <- Object.get_cached_by_ap_id(inReplyTo) do
- context
- else _e ->
- if String.length(context) > 0 do
- context
- else
- ActivityPub.generate_context_id
- end
- end
-
- to = [
- "https://www.w3.org/ns/activitystreams#Public",
- User.ap_followers(actor)
- ]
-
- mentions = :xmerl_xpath.string('//link[@rel="mentioned" and @ostatus:object-type="http://activitystrea.ms/schema/1.0/person"]', entry)
- |> Enum.map(fn(person) -> string_from_xpath("@href", person) end)
-
- to = to ++ mentions
-
- date = string_from_xpath("//published", entry)
- id = string_from_xpath("//id", entry)
-
- object = %{
- "id" => id,
- "type" => "Note",
- "to" => to,
- "content" => content_html,
- "published" => date,
- "context" => context,
- "actor" => actor.ap_id,
- "attachment" => attachments
+ def maybe_update_ostatus(doc, user) do
+ old_data = %{
+ avatar: user.avatar,
+ bio: user.bio,
+ name: user.name,
+ info: user.info
}
- object = if inReplyTo do
- Map.put(object, "inReplyTo", inReplyTo)
- else
- object
- end
-
- # TODO: Bail out sooner and use transaction.
- if Object.get_by_ap_id(id) do
- {:ok, Activity.get_create_activity_by_object_ap_id(id)}
+ with false <- user.local,
+ avatar <- make_avatar_object(doc),
+ bio <- string_from_xpath("//author[1]/summary", doc),
+ name <- string_from_xpath("//author[1]/poco:displayName", doc),
+ info <-
+ Map.put(user.info, "banner", make_avatar_object(doc, "header") || user.info["banner"]),
+ new_data <- %{
+ avatar: avatar || old_data.avatar,
+ name: name || old_data.name,
+ bio: bio || old_data.bio,
+ info: info || old_data.info
+ },
+ false <- new_data == old_data do
+ change = Ecto.Changeset.change(user, new_data)
+ Repo.update(change)
else
- ActivityPub.create(to, actor, context, object, %{}, date, false)
+ _ ->
+ {:ok, user}
end
end
def find_make_or_update_user(doc) do
uri = string_from_xpath("//author/uri[1]", doc)
+
with {:ok, user} <- find_or_make_user(uri) do
- avatar = make_avatar_object(doc)
- if !user.local && user.avatar != avatar do
- change = Ecto.Changeset.change(user, %{avatar: avatar})
- Repo.update(change)
- else
- {:ok, user}
- end
+ maybe_update(doc, user)
end
end
def find_or_make_user(uri) do
- query = from user in User,
- where: user.ap_id == ^uri
+ query = from(user in User, where: user.ap_id == ^uri)
user = Repo.one(query)
end
end
- def make_user(uri) do
+ def make_user(uri, update \\ false) do
with {:ok, info} <- gather_user_info(uri) do
data = %{
name: info["name"],
nickname: info["nickname"] <> "@" <> info["host"],
ap_id: info["uri"],
info: info,
- avatar: info["avatar"]
+ avatar: info["avatar"],
+ bio: info["bio"]
}
- with %User{} = user <- User.get_by_ap_id(data.ap_id) do
+
+ with false <- update,
+ %User{} = user <- User.get_by_ap_id(data.ap_id) do
{:ok, user}
- else _e ->
- cs = User.remote_user_creation(data)
- Repo.insert(cs)
+ else
+ _e -> User.insert_or_update_user(data)
end
end
end
# TODO: Just takes the first one for now.
- def make_avatar_object(author_doc) do
- href = string_from_xpath("//author[1]/link[@rel=\"avatar\"]/@href", author_doc)
- type = string_from_xpath("//author[1]/link[@rel=\"avatar\"]/@type", author_doc)
+ def make_avatar_object(author_doc, rel \\ "avatar") do
+ href = string_from_xpath("//author[1]/link[@rel=\"#{rel}\"]/@href", author_doc)
+ type = string_from_xpath("//author[1]/link[@rel=\"#{rel}\"]/@type", author_doc)
if href do
%{
"type" => "Image",
- "url" =>
- [%{
- "type" => "Link",
- "mediaType" => type,
- "href" => href
- }]
+ "url" => [
+ %{
+ "type" => "Link",
+ "mediaType" => type,
+ "href" => href
+ }
+ ]
}
else
nil
with {:ok, webfinger_data} <- WebFinger.finger(username),
{:ok, feed_data} <- Websub.gather_feed_data(webfinger_data["topic"]) do
{:ok, Map.merge(webfinger_data, feed_data) |> Map.put("fqn", username)}
- else e ->
- Logger.debug(fn -> "Couldn't gather info for #{username}" end)
- {:error, e}
+ else
+ e ->
+ Logger.debug(fn -> "Couldn't gather info for #{username}" end)
+ {:error, e}
end
end
Regex.match?(@mastodon_regex, body) ->
[[_, match]] = Regex.scan(@mastodon_regex, body)
{:ok, match}
+
Regex.match?(@gs_regex, body) ->
[[_, match]] = Regex.scan(@gs_regex, body)
{:ok, match}
+
Regex.match?(@gs_classic_regex, body) ->
[[_, match]] = Regex.scan(@gs_classic_regex, body)
{:ok, match}
+
true ->
- Logger.debug(fn -> "Couldn't find atom link in #{inspect(body)}" end)
- {:error, "Couldn't find the atom link"}
+ Logger.debug(fn -> "Couldn't find Atom link in #{inspect(body)}" end)
+ {:error, "Couldn't find the Atom link"}
end
end
- def fetch_activity_from_html_url(url) do
- Logger.debug("Trying to fetch #{url}")
- with {:ok, %{body: body}} <- @httpoison.get(url, [], follow_redirect: true),
- {:ok, atom_url} <- get_atom_url(body),
- {:ok, %{status_code: code, body: body}} when code in 200..299 <- @httpoison.get(atom_url, [], follow_redirect: true) do
+ def fetch_activity_from_atom_url(url) do
+ with true <- String.starts_with?(url, "http"),
+ {:ok, %{body: body, status_code: code}} when code in 200..299 <-
+ @httpoison.get(
+ url,
+ [Accept: "application/atom+xml"],
+ follow_redirect: true,
+ timeout: 10000,
+ recv_timeout: 20000
+ ) do
Logger.debug("Got document from #{url}, handling...")
handle_incoming(body)
- else e -> Logger.debug("Couldn't get #{url}: #{inspect(e)}")
+ else
+ e ->
+ Logger.debug("Couldn't get #{url}: #{inspect(e)}")
+ e
+ end
+ end
+
+ def fetch_activity_from_html_url(url) do
+ Logger.debug("Trying to fetch #{url}")
+
+ with true <- String.starts_with?(url, "http"),
+ {:ok, %{body: body}} <-
+ @httpoison.get(url, [], follow_redirect: true, timeout: 10000, recv_timeout: 20000),
+ {:ok, atom_url} <- get_atom_url(body) do
+ fetch_activity_from_atom_url(atom_url)
+ else
+ e ->
+ Logger.debug("Couldn't get #{url}: #{inspect(e)}")
+ e
+ end
+ end
+
+ def fetch_activity_from_url(url) do
+ try do
+ with {:ok, activities} when length(activities) > 0 <- fetch_activity_from_atom_url(url) do
+ {:ok, activities}
+ else
+ _e ->
+ with {:ok, activities} <- fetch_activity_from_html_url(url) do
+ {:ok, activities}
+ end
+ end
+ rescue
+ e ->
+ Logger.debug("Couldn't get #{url}: #{inspect(e)}")
+ {:error, "Couldn't get #{url}: #{inspect(e)}"}
end
end
end