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Extract opengraph/oembed into separate module

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raeno 2018-12-12 22:55:01 +03:00
parent d903e34cac
commit 9b3a6cdb07
3 changed files with 70 additions and 65 deletions
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66
lib/pleroma/web/ostatus/metadata.ex Normal file
View file

@ -0,0 +1,66 @@
defmodule Pleroma.Web.Metadata do
alias Phoenix.HTML
alias Pleroma.{Web, Formatter}
alias Pleroma.{User, Activity}
alias Pleroma.Web.MediaProxy
def build_tags(activity, user, url) do
Enum.concat([
if(meta_enabled?(:opengraph), do: opengraph_tags(activity, user), else: []),
if(meta_enabled?(:oembed), do: oembed_links(url), else: [])
])
|> Enum.map(&to_tag/1)
|> Enum.map(&HTML.safe_to_string/1)
|> Enum.join("\n")
end
def meta_enabled?(type) do
config = Pleroma.Config.get(:metadata, [])
Keyword.get(config, type, false)
end
def to_tag(data) do
with {name, attrs, _content = []} <- data do
HTML.Tag.tag(name, attrs)
else
{name, attrs, content} ->
HTML.Tag.content_tag(name, content, attrs)
_ ->
raise ArgumentError, message: "make_tag invalid args"
end
end
defp oembed_links(url) do
Enum.map(["xml", "json"], fn format ->
href = HTML.raw(oembed_path(url, format))
{ :link, [ type: ["application/#{format}+oembed"], href: href, rel: 'alternate'], [] }
end)
end
defp opengraph_tags(activity, user) do
with image = User.avatar_url(user) |> MediaProxy.url(),
truncated_content = Formatter.truncate(activity.data["object"]["content"]),
domain = Pleroma.Config.get([:instance, :domain], "UNKNOWN_DOMAIN") do
[
{:meta,
[
property: "og:title",
content: "#{user.name} (@#{user.nickname}@#{domain}) post ##{activity.id}"
], []},
{:meta, [property: "og:url", content: activity.data["id"]], []},
{:meta, [property: "og:description", content: truncated_content],
[]},
{:meta, [property: "og:image", content: image], []},
{:meta, [property: "og:image:width", content: 120], []},
{:meta, [property: "og:image:height", content: 120], []},
{:meta, [property: "twitter:card", content: "summary"], []}
]
end
end
defp oembed_path(url, format) do
query = URI.encode_query(%{url: url, format: format})
"#{Web.base_url()}/oembed?#{query}"
end
end

63
lib/pleroma/web/ostatus/ostatus.ex
View file

@ -7,10 +7,9 @@ defmodule Pleroma.Web.OStatus do
alias Pleroma.{Repo, User, Web, Object, Activity, Formatter}
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.{WebFinger, Websub, MediaProxy}
alias Pleroma.Web.{WebFinger, Websub}
alias Pleroma.Web.OStatus.{FollowHandler, UnfollowHandler, NoteHandler, DeleteHandler}
alias Pleroma.Web.ActivityPub.Transmogrifier
alias Phoenix.HTML
def is_representable?(%Activity{data: data}) do
object = Object.normalize(data["object"])
@ -27,61 +26,6 @@ defmodule Pleroma.Web.OStatus do
end
end
def metadata(activity, user, url) do
Enum.concat([
if(meta_enabled?(:opengraph), do: opengraph_tags(activity, user), else: []),
if(meta_enabled?(:oembed), do: oembed_links(url), else: [])
])
|> Enum.map(&to_tag/1)
|> Enum.map(&HTML.safe_to_string/1)
|> Enum.join("\n")
end
def meta_enabled?(type) do
config = Pleroma.Config.get(:metadata, [])
Keyword.get(config, type, false)
end
def to_tag(data) do
with {name, attrs, _content = []} <- data do
HTML.Tag.tag(name, attrs)
else
{name, attrs, content} ->
HTML.Tag.content_tag(name, content, attrs)
_ ->
raise ArgumentError, message: "make_tag invalid args"
end
end
def oembed_links(url) do
Enum.map(["xml", "json"], fn format ->
href = HTML.raw(oembed_path(url, format))
{ :link, [ type: ["application/#{format}+oembed"], href: href, rel: 'alternate'], [] }
end)
end
def opengraph_tags(activity, user) do
with image = User.avatar_url(user) |> MediaProxy.url(),
truncated_content = Formatter.truncate(activity.data["object"]["content"]),
domain = Pleroma.Config.get([:instance, :domain], "UNKNOWN_DOMAIN") do
[
{:meta,
[
property: "og:title",
content: "#{user.name} (@#{user.nickname}@#{domain}) post ##{activity.id}"
], []},
{:meta, [property: "og:url", content: activity.data["id"]], []},
{:meta, [property: "og:description", content: truncated_content],
[]},
{:meta, [property: "og:image", content: image], []},
{:meta, [property: "og:image:width", content: 120], []},
{:meta, [property: "og:image:height", content: 120], []},
{:meta, [property: "twitter:card", content: "summary"], []}
]
end
end
def feed_path(user) do
"#{user.ap_id}/feed.atom"
end
@ -98,11 +42,6 @@ defmodule Pleroma.Web.OStatus do
"#{Web.base_url()}/ostatus_subscribe?acct={uri}"
end
def oembed_path(url, format) do
query = URI.encode_query(%{url: url, format: format})
"#{Web.base_url()}/oembed?#{query}"
end
def handle_incoming(xml_string) do
with doc when doc != :error <- parse_document(xml_string) do
entries = :xmerl_xpath.string('//entry', doc)

6
lib/pleroma/web/ostatus/ostatus_controller.ex
View file

@ -4,7 +4,7 @@ defmodule Pleroma.Web.OStatus.OStatusController do
alias Pleroma.{User, Activity, Object}
alias Pleroma.Web.OStatus.{FeedRepresenter, ActivityRepresenter}
alias Pleroma.Repo
alias Pleroma.Web.{OStatus, Federator}
alias Pleroma.Web.{OStatus, Federator, Metadata}
alias Pleroma.Web.XML
alias Pleroma.Web.ActivityPub.ObjectView
alias Pleroma.Web.ActivityPub.ActivityPubController
@ -153,8 +153,8 @@ defmodule Pleroma.Web.OStatus.OStatusController do
defp serve_static_with_meta(conn, activity, user) do
{:ok, index_content } = File.read(Application.app_dir(:pleroma, "priv/static/index.html"))
links = OStatus.metadata(activity, user, request_url(conn))
response = String.replace(index_content, "<!--server-generated-meta-->", links)
tags = Metadata.build_tags(activity, user, request_url(conn))
response = String.replace(index_content, "<!--server-generated-meta-->", tags)
conn
|> put_resp_content_type("text/html")
|> send_resp(200, response)