Extract opengraph/oembed into separate module
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raeno
parent
d903e34cac
commit
9b3a6cdb07
3 changed files with 70 additions and 65 deletions
66
lib/pleroma/web/ostatus/metadata.ex
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66
lib/pleroma/web/ostatus/metadata.ex
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@ -0,0 +1,66 @@
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defmodule Pleroma.Web.Metadata do
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alias Phoenix.HTML
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alias Pleroma.{Web, Formatter}
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alias Pleroma.{User, Activity}
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alias Pleroma.Web.MediaProxy
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def build_tags(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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defp oembed_links(url) do
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Enum.map(["xml", "json"], fn format ->
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href = HTML.raw(oembed_path(url, format))
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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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defp 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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defp oembed_path(url, format) do
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query = URI.encode_query(%{url: url, format: format})
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"#{Web.base_url()}/oembed?#{query}"
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end
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end
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@ -7,10 +7,9 @@ defmodule Pleroma.Web.OStatus do
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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.{WebFinger, Websub, MediaProxy}
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alias Pleroma.Web.{WebFinger, Websub}
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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 Phoenix.HTML
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def is_representable?(%Activity{data: data}) do
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object = Object.normalize(data["object"])
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@ -27,61 +26,6 @@ def is_representable?(%Activity{data: data}) do
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end
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end
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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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Enum.map(["xml", "json"], fn format ->
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href = HTML.raw(oembed_path(url, format))
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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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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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def feed_path(user) do
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"#{user.ap_id}/feed.atom"
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end
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@ -98,11 +42,6 @@ def remote_follow_path do
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"#{Web.base_url()}/ostatus_subscribe?acct={uri}"
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end
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def oembed_path(url, format) do
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query = URI.encode_query(%{url: url, format: format})
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"#{Web.base_url()}/oembed?#{query}"
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end
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def handle_incoming(xml_string) do
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with doc when doc != :error <- parse_document(xml_string) do
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entries = :xmerl_xpath.string('//entry', doc)
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@ -4,7 +4,7 @@ defmodule Pleroma.Web.OStatus.OStatusController do
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alias Pleroma.{User, Activity, Object}
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alias Pleroma.Web.OStatus.{FeedRepresenter, ActivityRepresenter}
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alias Pleroma.Repo
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alias Pleroma.Web.{OStatus, Federator}
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alias Pleroma.Web.{OStatus, Federator, Metadata}
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alias Pleroma.Web.XML
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alias Pleroma.Web.ActivityPub.ObjectView
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alias Pleroma.Web.ActivityPub.ActivityPubController
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@ -153,8 +153,8 @@ def notice(conn, %{"id" => id}) 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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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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tags = Metadata.build_tags(activity, user, request_url(conn))
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response = String.replace(index_content, "<!--server-generated-meta-->", tags)
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conn
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|> put_resp_content_type("text/html")
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|> send_resp(200, response)
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