# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.Metadata.Providers.OpenGraph do
alias Pleroma.Web.Metadata.Providers.Provider
- alias Pleroma.{HTML, Formatter, User}
+ alias Pleroma.{HTML, Formatter, User, Web}
alias Pleroma.Web.MediaProxy
@behaviour Provider
def build_tags(%{activity: activity, user: user}) do
attachments = build_attachments(activity)
+ # Most previews only show og:title which is inconvenient. Instagram
+ # hacks this by putting the description in the title and making the
+ # description longer prefixed by how many likes and shares the post
+ # has. Here we use the descriptive nickname in the title, and expand
+ # the full account & nickname in the description. We also use the cute^Wevil
+ # smart quotes around the status text like Instagram, too.
[
{:meta,
[
property: "og:title",
- content: user_name_string(user)
+ content:
+ "#{user.name}: " <>
+ "“" <>
+ scrub_html_and_truncate(activity) <>
+ "”"
], []},
- {:meta, [property: "og:url", content: activity.data["id"]], []},
- {:meta, [property: "og:description", content: scrub_html_and_truncate(activity)], []}
+ {:meta, [property: "og:url", content: "#{Web.base_url()}/notice/#{activity.id}"], []},
+ {:meta,
+ [
+ property: "og:description",
+ content:
+ "#{user_name_string(user)}: " <>
+ "“" <>
+ scrub_html_and_truncate(activity) <>
+ "”"
+ ], []},
+ {:meta, [property: "og:type", content: "website"], []}
] ++
- if attachments == [] or
- Enum.any?(activity.data["object"]["tag"], fn tag -> tag == "nsfw" end) do
+ if attachments == [] do
[
{:meta, [property: "og:image", content: attachment_url(User.avatar_url(user))], []},
- {:meta, [property: "og:image:width", content: 120], []},
- {:meta, [property: "og:image:height", content: 120], []}
+ {:meta, [property: "og:image:width", content: 150], []},
+ {:meta, [property: "og:image:height", content: 150], []}
]
else
attachments
], []},
{:meta, [property: "og:url", content: User.profile_url(user)], []},
{:meta, [property: "og:description", content: truncated_bio], []},
+ {:meta, [property: "og:type", content: "website"], []},
{:meta, [property: "og:image", content: attachment_url(User.avatar_url(user))], []},
- {:meta, [property: "og:image:width", content: 120], []},
- {:meta, [property: "og:image:height", content: 120], []}
+ {:meta, [property: "og:image:width", content: 150], []},
+ {:meta, [property: "og:image:height", content: 150], []}
]
end
end
String.starts_with?(url["mediaType"], media_type)
end)
- if media_type do
- [
- {:meta, [property: "og:" <> media_type, content: attachment_url(url["href"])], []}
- | acc
- ]
- else
- acc
+ # TODO: Add additional properties to objects when we have the data available.
+ # Also, Whatsapp only wants JPEG or PNGs. It seems that if we add a second og:image
+ # object when a Video or GIF is attached it will display that in the Whatsapp Rich Preview.
+ case media_type do
+ "audio" ->
+ [
+ {:meta, [property: "og:" <> media_type, content: attachment_url(url["href"])], []}
+ | acc
+ ]
+
+ "image" ->
+ [
+ {:meta, [property: "og:" <> media_type, content: attachment_url(url["href"])],
+ []},
+ {:meta, [property: "og:image:width", content: 150], []},
+ {:meta, [property: "og:image:height", content: 150], []}
+ | acc
+ ]
+
+ "video" ->
+ [
+ {:meta, [property: "og:" <> media_type, content: attachment_url(url["href"])], []}
+ | acc
+ ]
+
+ _ ->
+ acc
end
end)