Improve group profile metadata
* Add canonical link * Add link alternate to application/activity+json representation * add robots noindex on remote profiles Signed-off-by: Thomas Citharel <tcit@tcit.fr>
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Thomas Citharel
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ac9587b9d1
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93ba408671
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@ -23,11 +23,17 @@ defimpl Mobilizon.Service.Metadata, for: Mobilizon.Actors.Actor do
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Tag.tag(:meta, property: "og:url", content: group.url),
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Tag.tag(:meta, property: "og:description", content: group.summary),
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Tag.tag(:meta, property: "og:type", content: "profile"),
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Tag.tag(:meta, property: "profile:username", content: group.preferred_username),
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Tag.tag(:meta,
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property: "profile:username",
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content: Actor.preferred_username_and_domain(group)
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),
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Tag.tag(:meta, property: "twitter:card", content: "summary")
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]
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|> maybe_add_avatar(group)
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|> add_group_schema(group)
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|> add_group_feeds(group)
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|> add_canonical(group)
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|> maybe_add_no_index(group)
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end
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def build_tags(%Actor{} = _actor, _locale), do: []
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@ -42,27 +48,59 @@ defimpl Mobilizon.Service.Metadata, for: Mobilizon.Actors.Actor do
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end
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end
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@spec add_group_schema(list(Tag.t()), Actor.t()) :: list(Tag.t())
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defp add_group_schema(tags, %Actor{} = group) do
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tags ++
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[
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~s{<script type="application/ld+json">#{json(group)}</script>} |> HTML.raw(),
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~s{<script type="application/ld+json">#{json(group)}</script>} |> HTML.raw()
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]
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end
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@spec add_group_feeds(list(Tag.t()), Actor.t()) :: list(Tag.t())
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defp add_group_feeds(tags, %Actor{} = group) do
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tags ++
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[
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Tag.tag(:link,
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rel: "alternate",
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type: "application/atom+xml",
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title:
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gettext("%{name}'s feed", name: group.name || group.preferred_username) |> HTML.raw(),
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href: Routes.feed_url(Endpoint, :actor, group.preferred_username, :atom)
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href:
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Routes.feed_url(Endpoint, :actor, Actor.preferred_username_and_domain(group), :atom)
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),
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Tag.tag(:link,
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rel: "alternate",
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type: "text/calendar",
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title:
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gettext("%{name}'s feed", name: group.name || group.preferred_username) |> HTML.raw(),
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href: Routes.feed_url(Endpoint, :actor, group.preferred_username, :ics)
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href:
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Routes.feed_url(
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Endpoint,
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:actor,
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Actor.preferred_username_and_domain(group),
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:ics
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)
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),
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Tag.tag(:link,
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rel: "alternate",
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type: "application/activity+json",
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href: group.url
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)
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]
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end
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@spec add_canonical(list(Tag.t()), Actor.t()) :: list(Tag.t())
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defp add_canonical(tags, %Actor{url: group_url}) do
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tags ++ [Tag.tag(:link, rel: "canonical", href: group_url)]
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end
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@spec maybe_add_no_index(list(Tag.t()), Actor.t()) :: list(Tag.t())
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defp maybe_add_no_index(tags, %Actor{domain: nil}), do: tags
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defp maybe_add_no_index(tags, %Actor{}) do
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tags ++ [Tag.tag(:meta, name: "robots", content: "noindex")]
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end
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# Insert JSON-LD schema by hand because Tag.content_tag wants to escape it
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defp json(%Actor{} = group) do
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"group.json"
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@ -12,12 +12,13 @@ defmodule Mobilizon.Service.MetadataTest do
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import Mobilizon.Factory
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describe "build_tags/2 for an actor" do
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# TODO : Refactor me with DOM assertions, like the event test below
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test "that is a group gives tags" do
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%Actor{} = group = insert(:group, name: "My group")
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%Actor{} = group = insert(:group, name: "My group", domain: "remote.domain")
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assert group |> Metadata.build_tags() |> Metadata.Utils.stringify_tags() ==
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String.trim("""
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<meta content="#{group.name} (@#{group.preferred_username})" property="og:title"><meta content="#{group.url}" property="og:url"><meta content="The event organizer didn't add any description." property="og:description"><meta content="profile" property="og:type"><meta content="#{group.preferred_username}" property="profile:username"><meta content="summary" property="twitter:card"><meta content="#{group.avatar.url}" property="og:image"><script type="application/ld+json">{"@context":"http://schema.org","@type":"Organization","address":null,"name":"#{group.name}","url":"#{group.url}"}</script><link href="#{Routes.feed_url(Endpoint, :actor, group.preferred_username, "atom")}" rel="alternate" title="#{group.name}'s feed" type="application/atom+xml"><link href="#{Routes.feed_url(Endpoint, :actor, group.preferred_username, "ics")}" rel="alternate" title="#{group.name}'s feed" type="text/calendar">
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<meta content="#{group.name} (@#{group.preferred_username}@#{group.domain})" property="og:title"><meta content="#{group.url}" property="og:url"><meta content="The event organizer didn't add any description." property="og:description"><meta content="profile" property="og:type"><meta content="#{Actor.preferred_username_and_domain(group)}" property="profile:username"><meta content="summary" property="twitter:card"><meta content="#{group.avatar.url}" property="og:image"><script type="application/ld+json">{"@context":"http://schema.org","@type":"Organization","address":null,"name":"#{group.name}","url":"#{group.url}"}</script><link href="#{Routes.feed_url(Endpoint, :actor, Actor.preferred_username_and_domain(group), "atom")}" rel="alternate" title="#{group.name}'s feed" type="application/atom+xml"><link href="#{Routes.feed_url(Endpoint, :actor, Actor.preferred_username_and_domain(group), "ics")}" rel="alternate" title="#{group.name}'s feed" type="text/calendar"><link href=\"#{group.url}\" rel=\"alternate\" type=\"application/activity+json\"><link href=\"#{group.url}\" rel=\"canonical\"><meta content=\"noindex\" name=\"robots\">
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""")
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assert group
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@ -25,7 +26,7 @@ defmodule Mobilizon.Service.MetadataTest do
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|> Metadata.build_tags()
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|> Metadata.Utils.stringify_tags() ==
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String.trim("""
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<meta content="#{group.name} (@#{group.preferred_username})" property="og:title"><meta content="#{group.url}" property="og:url"><meta content="The event organizer didn't add any description." property="og:description"><meta content="profile" property="og:type"><meta content="#{group.preferred_username}" property="profile:username"><meta content="summary" property="twitter:card"><script type="application/ld+json">{"@context":"http://schema.org","@type":"Organization","address":null,"name":"#{group.name}","url":"#{group.url}"}</script><link href="#{Routes.feed_url(Endpoint, :actor, group.preferred_username, "atom")}" rel="alternate" title="#{group.name}'s feed" type="application/atom+xml"><link href="#{Routes.feed_url(Endpoint, :actor, group.preferred_username, "ics")}" rel="alternate" title="#{group.name}'s feed" type="text/calendar">
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<meta content="#{group.name} (@#{group.preferred_username}@#{group.domain})" property="og:title"><meta content="#{group.url}" property="og:url"><meta content="The event organizer didn't add any description." property="og:description"><meta content="profile" property="og:type"><meta content="#{Actor.preferred_username_and_domain(group)}" property="profile:username"><meta content="summary" property="twitter:card"><script type="application/ld+json">{"@context":"http://schema.org","@type":"Organization","address":null,"name":"#{group.name}","url":"#{group.url}"}</script><link href="#{Routes.feed_url(Endpoint, :actor, Actor.preferred_username_and_domain(group), "atom")}" rel="alternate" title="#{group.name}'s feed" type="application/atom+xml"><link href="#{Routes.feed_url(Endpoint, :actor, Actor.preferred_username_and_domain(group), "ics")}" rel="alternate" title="#{group.name}'s feed" type="text/calendar"><link href=\"#{group.url}\" rel=\"alternate\" type=\"application/activity+json\"><link href=\"#{group.url}\" rel=\"canonical\"><meta content=\"noindex\" name=\"robots\">
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""")
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end
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