Fix profile url for funkwhale channels, removes one source_data use Closes #1653 See merge request pleroma/pleroma!2333
119 lines
4 KiB
Elixir
119 lines
4 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Metadata.Providers.OpenGraph do
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alias Pleroma.User
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alias Pleroma.Web.Metadata
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alias Pleroma.Web.Metadata.Providers.Provider
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alias Pleroma.Web.Metadata.Utils
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@behaviour Provider
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@media_types ["image", "audio", "video"]
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@impl Provider
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def build_tags(%{
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object: object,
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url: url,
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user: user
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}) do
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attachments = build_attachments(object)
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scrubbed_content = Utils.scrub_html_and_truncate(object)
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# Zero width space
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content =
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if scrubbed_content != "" and scrubbed_content != "\u200B" do
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": “" <> scrubbed_content <> "”"
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else
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""
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end
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# Most previews only show og:title which is inconvenient. Instagram
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# hacks this by putting the description in the title and making the
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# description longer prefixed by how many likes and shares the post
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# has. Here we use the descriptive nickname in the title, and expand
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# the full account & nickname in the description. We also use the cute^Wevil
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# smart quotes around the status text like Instagram, too.
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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}" <> content
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], []},
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{:meta, [property: "og:url", content: url], []},
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{:meta,
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[
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property: "og:description",
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content: "#{Utils.user_name_string(user)}" <> content
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], []},
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{:meta, [property: "og:type", content: "website"], []}
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] ++
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if attachments == [] or Metadata.activity_nsfw?(object) do
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[
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{:meta, [property: "og:image", content: Utils.attachment_url(User.avatar_url(user))],
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[]},
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{:meta, [property: "og:image:width", content: 150], []},
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{:meta, [property: "og:image:height", content: 150], []}
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]
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else
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attachments
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end
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end
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@impl Provider
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def build_tags(%{user: user}) do
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with truncated_bio = Utils.scrub_html_and_truncate(user.bio || "") 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: Utils.user_name_string(user)
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], []},
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{:meta, [property: "og:url", content: user.uri || user.ap_id], []},
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{:meta, [property: "og:description", content: truncated_bio], []},
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{:meta, [property: "og:type", content: "website"], []},
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{:meta, [property: "og:image", content: Utils.attachment_url(User.avatar_url(user))], []},
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{:meta, [property: "og:image:width", content: 150], []},
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{:meta, [property: "og:image:height", content: 150], []}
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]
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end
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end
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defp build_attachments(%{data: %{"attachment" => attachments}}) do
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Enum.reduce(attachments, [], fn attachment, acc ->
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rendered_tags =
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Enum.reduce(attachment["url"], [], fn url, acc ->
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# TODO: Add additional properties to objects when we have the data available.
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# Also, Whatsapp only wants JPEG or PNGs. It seems that if we add a second og:image
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# object when a Video or GIF is attached it will display that in Whatsapp Rich Preview.
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case Utils.fetch_media_type(@media_types, url["mediaType"]) do
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"audio" ->
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[
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{:meta, [property: "og:audio", content: Utils.attachment_url(url["href"])], []}
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| acc
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]
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"image" ->
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[
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{:meta, [property: "og:image", content: Utils.attachment_url(url["href"])], []},
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{:meta, [property: "og:image:width", content: 150], []},
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{:meta, [property: "og:image:height", content: 150], []}
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| acc
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]
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"video" ->
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[
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{:meta, [property: "og:video", content: Utils.attachment_url(url["href"])], []}
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| acc
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]
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_ ->
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acc
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end
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end)
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acc ++ rendered_tags
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end)
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end
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defp build_attachments(_), do: []
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end
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