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Add opengraph/twitter_card:summary support. Add config to toggle on/off specific metadata
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8902942128
commit
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3 changed files with 59 additions and 9 deletions
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@ -171,6 +171,10 @@ config :pleroma, :gopher,
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ip: {0, 0, 0, 0},
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ip: {0, 0, 0, 0},
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port: 9999
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port: 9999
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config :pleroma, :metadata,
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oembed: false,
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opengraph: true
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config :pleroma, :suggestions,
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config :pleroma, :suggestions,
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enabled: false,
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enabled: false,
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third_party_engine:
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third_party_engine:
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@ -5,11 +5,12 @@ defmodule Pleroma.Web.OStatus do
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import Pleroma.Web.XML
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import Pleroma.Web.XML
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require Logger
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require Logger
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alias Pleroma.{Repo, User, Web, Object, Activity}
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alias Pleroma.{Repo, User, Web, Object, Activity, Formatter}
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alias Pleroma.Web.ActivityPub.ActivityPub
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alias Pleroma.Web.ActivityPub.ActivityPub
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alias Pleroma.Web.{WebFinger, Websub}
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alias Pleroma.Web.{WebFinger, Websub, MediaProxy}
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alias Pleroma.Web.OStatus.{FollowHandler, UnfollowHandler, NoteHandler, DeleteHandler}
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alias Pleroma.Web.OStatus.{FollowHandler, UnfollowHandler, NoteHandler, DeleteHandler}
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alias Pleroma.Web.ActivityPub.Transmogrifier
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alias Pleroma.Web.ActivityPub.Transmogrifier
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alias Phoenix.HTML
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def is_representable?(%Activity{data: data}) do
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def is_representable?(%Activity{data: data}) do
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object = Object.normalize(data["object"])
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object = Object.normalize(data["object"])
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@ -26,14 +27,59 @@ defmodule Pleroma.Web.OStatus do
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end
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end
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end
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end
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def metadata(url), do: oembed_links(url)
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def metadata(activity, user, url) do
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Enum.concat([
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if(meta_enabled?(:opengraph), do: opengraph_tags(activity, user), else: []),
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if(meta_enabled?(:oembed), do: oembed_links(url), else: [])
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])
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|> Enum.map(&to_tag/1)
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|> Enum.map(&HTML.safe_to_string/1)
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|> Enum.join("\n")
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end
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def meta_enabled?(type) do
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config = Pleroma.Config.get(:metadata, [])
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Keyword.get(config, type, false)
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end
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def to_tag(data) do
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with {name, attrs, _content = []} <- data do
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HTML.Tag.tag(name, attrs)
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else
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{name, attrs, content} ->
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HTML.Tag.content_tag(name, content, attrs)
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_ ->
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raise ArgumentError, message: "make_tag invalid args"
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end
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end
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def oembed_links(url) do
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def oembed_links(url) do
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Enum.map(["xml", "json"], fn format ->
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Enum.map(["xml", "json"], fn format ->
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href = oembed_path(url, format)
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href = HTML.raw(oembed_path(url, format))
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"<link rel=\"alternate\" type=\"application/#{format}+oembed\" href=\"#{href}\">"
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{ :link, [ type: ["application/#{format}+oembed"], href: href, rel: 'alternate'], [] }
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end)
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end)
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|> Enum.join("\r\n")
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end
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def opengraph_tags(activity, user) do
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with image = User.avatar_url(user) |> MediaProxy.url(),
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truncated_content = Formatter.truncate(activity.data["object"]["content"]),
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domain = Pleroma.Config.get([:instance, :domain], "UNKNOWN_DOMAIN") do
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[
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{:meta,
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[
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property: "og:title",
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content: "#{user.name} (@#{user.nickname}@#{domain}) post ##{activity.id}"
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], []},
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{:meta, [property: "og:url", content: activity.data["id"]], []},
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{:meta, [property: "og:description", content: truncated_content],
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[]},
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{:meta, [property: "og:image", content: image], []},
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{:meta, [property: "og:image:width", content: 120], []},
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{:meta, [property: "og:image:height", content: 120], []},
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{:meta, [property: "twitter:card", content: "summary"], []}
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]
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end
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end
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end
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def feed_path(user) do
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def feed_path(user) do
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@ -134,7 +134,7 @@ defmodule Pleroma.Web.OStatus.OStatusController do
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%User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
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%User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
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case format = get_format(conn) do
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case format = get_format(conn) do
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"html" ->
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"html" ->
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serve_static_with_meta(conn, activity)
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serve_static_with_meta(conn, activity, user)
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_ ->
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_ ->
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represent_activity(conn, format, activity, user)
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represent_activity(conn, format, activity, user)
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@ -151,9 +151,9 @@ defmodule Pleroma.Web.OStatus.OStatusController do
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end
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end
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end
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end
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defp serve_static_with_meta(conn, activity) do
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defp serve_static_with_meta(conn, activity, user) do
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{:ok, index_content } = File.read(Application.app_dir(:pleroma, "priv/static/index.html"))
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{:ok, index_content } = File.read(Application.app_dir(:pleroma, "priv/static/index.html"))
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links = OStatus.metadata(request_url(conn))
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links = OStatus.metadata(activity, user, request_url(conn))
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response = String.replace(index_content, "<!--server-generated-meta-->", links)
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response = String.replace(index_content, "<!--server-generated-meta-->", links)
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conn
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conn
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|> put_resp_content_type("text/html")
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|> put_resp_content_type("text/html")
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