Chapril/mobilizon.chapril.org-mobilizon
Chapril/mobilizon.chapril.org-mobilizon
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Redirect properly to correct endpoint depending on content-type

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Signed-off-by: Thomas Citharel <tcit@tcit.fr>
This commit is contained in:
Thomas Citharel 2019-03-04 17:20:18 +01:00
parent 02e72733a9
commit d394bdae99
12 changed files with 237 additions and 70 deletions
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1
js/public/index.html
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@ -8,6 +8,7 @@
<link rel="icon" href="<%= BASE_URL %>favicon.ico">
<link rel="stylesheet" href="//cdn.materialdesignicons.com/2.5.94/css/materialdesignicons.min.css">
<title>mobilizon</title>
<!--server-generated-meta-->
</head>
<body>

15
js/vue.config.js
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@ -19,4 +19,19 @@ module.exports = {
],
},
},
chainWebpack: config => {
config
.plugin('html')
.tap(args => {
args[0].minify = {
collapseWhitespace: true,
removeComments: false,
removeRedundantAttributes: true,
removeScriptTypeAttributes: true,
removeStyleLinkTypeAttributes: true,
useShortDoctype: true
};
return args
});
}
};

6
lib/mobilizon/actors/actor.ex
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@ -378,6 +378,12 @@ defmodule Mobilizon.Actors.Actor do
end
end
def display_name_and_username(%Actor{name: nil} = actor), do: actor_acct_from_actor(actor)
def display_name_and_username(%Actor{name: ""} = actor), do: actor_acct_from_actor(actor)
def display_name_and_username(%Actor{name: name} = actor),
do: name <> " (" <> actor_acct_from_actor(actor) <> ")"
def clear_cache(%Actor{preferred_username: preferred_username, domain: nil}) do
Cachex.del(:activity_pub, "actor_" <> preferred_username)
end

14
lib/mobilizon/actors/actors.ex
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@ -467,6 +467,20 @@ defmodule Mobilizon.Actors do
|> Repo.preload(:organized_events)
end
@doc """
Returns a cached local actor by username
"""
@spec get_cached_local_actor_by_name(String.t()) ::
{:ok, Actor.t()} | {:commit, Actor.t()} | {:ignore, any()}
def get_cached_local_actor_by_name(name) do
Cachex.fetch(:activity_pub, "actor_" <> name, fn "actor_" <> name ->
case get_local_actor_by_name(name) do
nil -> {:ignore, nil}
%Actor{} = actor -> {:commit, actor}
end
end)
end
@doc """
Getting an actor from url, eventually creating it
"""

20
lib/mobilizon/events/events.ex
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@ -154,6 +154,16 @@ defmodule Mobilizon.Events do
|> Repo.one()
end
def get_cached_event_full_by_uuid(uuid) do
Cachex.fetch(:activity_pub, "event_" <> uuid, fn "event_" <> uuid ->
with %Event{} = event <- get_event_full_by_uuid(uuid) do
{:commit, event}
else
_ -> {:ignore, nil}
end
end)
end
@doc """
Gets a single event, with all associations loaded.
"""
@ -1018,6 +1028,16 @@ defmodule Mobilizon.Events do
end
end
def get_cached_comment_full_by_uuid("comment_" <> uuid) do
Cachex.fetch(:activity_pub, "comment_" <> uuid, fn "comment_" <> uuid ->
with %Comment{} = comment <- Events.get_comment_full_from_uuid(uuid) do
{:commit, comment}
else
_ -> {:ignore, nil}
end
end)
end
def get_comment_from_url(url), do: Repo.get_by(Comment, url: url)
def get_comment_from_url!(url), do: Repo.get_by!(Comment, url: url)

78
lib/mobilizon_web/controllers/activity_pub_controller.ex
View File

@ -16,101 +16,55 @@ defmodule MobilizonWeb.ActivityPubController do
action_fallback(:errors)
@activity_pub_headers [
"application/activity+json",
"application/activity+json, application/ld+json"
]
@doc """
Show an Actor's ActivityPub representation
Renders an Actor ActivityPub's representation
"""
@spec actor(Plug.Conn.t(), map()) :: Plug.Conn.t()
@spec actor(Plug.Conn.t(), String.t()) :: Plug.Conn.t()
def actor(conn, %{"name" => name}) do
if conn |> get_req_header("accept") |> is_ap_header() do
render_cached_actor(conn, name)
else
conn
|> put_resp_content_type("text/html")
|> send_file(200, "priv/static/index.html")
end
end
@spec render_cached_actor(Plug.Conn.t(), String.t()) :: Plug.Conn.t()
defp render_cached_actor(conn, name) do
case Cachex.fetch(:activity_pub, "actor_" <> name, &get_local_actor_by_name/1) do
{status, %Actor{} = actor} when status in [:ok, :commit] ->
with {status, %Actor{} = actor} when status in [:ok, :commit] <-
Actors.get_cached_local_actor_by_name(name) do
conn
|> put_resp_header("content-type", "application/activity+json")
|> json(ActorView.render("actor.json", %{actor: actor}))
else
{:ignore, _} ->
{:error, :not_found}
end
end
defp get_local_actor_by_name("actor_" <> name) do
case Actors.get_local_actor_by_name(name) do
nil -> {:ignore, nil}
%Actor{} = actor -> {:commit, actor}
end
end
# Test if the request has an AP header
defp is_ap_header(ap_headers) do
length(@activity_pub_headers -- ap_headers) < 2
end
@doc """
Renders an Event ActivityPub's representation
"""
@spec event(Plug.Conn.t(), map()) :: Plug.Conn.t()
def event(conn, %{"uuid" => uuid}) do
case Cachex.fetch(:activity_pub, "event_" <> uuid, &get_event_full_by_uuid/1) do
{status, %Event{} = event} when status in [:ok, :commit] ->
with {status, %Event{}} = event when status in [:ok, :commit] <-
Events.get_cached_event_full_by_uuid(uuid),
true <- event.visibility in [:public, :unlisted] do
conn
|> put_resp_header("content-type", "application/activity+json")
|> json(ObjectView.render("event.json", %{event: event |> Utils.make_event_data()}))
else
{:ignore, _} ->
{:error, :not_found}
end
end
defp get_event_full_by_uuid("event_" <> uuid) do
with %Event{} = event <- Events.get_event_full_by_uuid(uuid),
true <- event.visibility in [:public, :unlisted] do
{:commit, event}
else
_ -> {:ignore, nil}
end
end
@doc """
Renders a Comment ActivityPub's representation
"""
@spec comment(Plug.Conn.t(), map()) :: Plug.Conn.t()
def comment(conn, %{"uuid" => uuid}) do
case Cachex.fetch(:activity_pub, "comment_" <> uuid, &get_comment_full_by_uuid/1) do
{status, %Comment{} = comment} when status in [:ok, :commit] ->
conn
|> put_resp_header("content-type", "application/activity+json")
|> json(
ObjectView.render("comment.json", %{comment: comment |> Utils.make_comment_data()})
)
{:ignore, _} ->
{:error, :not_found}
end
end
defp get_comment_full_by_uuid("comment_" <> uuid) do
with %Comment{} = comment <- Events.get_comment_full_from_uuid(uuid) do
with {status, %Comment{} = comment} when status in [:ok, :commit] <-
Events.get_cached_comment_full_by_uuid(uuid) do
# Comments are always public for now
# TODO : Make comments maybe restricted
# true <- comment.public do
{:commit, comment}
conn
|> put_resp_header("content-type", "application/activity+json")
|> json(ObjectView.render("comment.json", %{comment: comment |> Utils.make_comment_data()}))
else
_ -> {:ignore, nil}
{:ignore, _} ->
{:error, :not_found}
end
end

72
lib/mobilizon_web/controllers/page_controller.ex
View File

@ -3,6 +3,11 @@ defmodule MobilizonWeb.PageController do
Controller to load our webapp
"""
use MobilizonWeb, :controller
alias Mobilizon.Service.Metadata
alias Mobilizon.Actors
alias Mobilizon.Actors.Actor
alias Mobilizon.Events
alias Mobilizon.Events.{Event, Comment}
plug(:put_layout, false)
@ -11,4 +16,71 @@ defmodule MobilizonWeb.PageController do
|> put_resp_content_type("text/html")
|> send_file(200, "priv/static/index.html")
end
def actor(conn, %{"name" => name}) do
case get_format(conn) do
"html" ->
with {status, %Actor{} = actor} when status in [:ok, :commit] <-
Actors.get_cached_local_actor_by_name(name) do
render_with_meta(conn, actor)
end
"activity+json" ->
MobilizonWeb.ActivityPubController.call(conn, :actor)
_ ->
{:error, :not_found}
end
end
def event(conn, %{"uuid" => uuid}) do
case get_format(conn) do
"html" ->
with {status, %Event{} = event} when status in [:ok, :commit] <-
Events.get_cached_event_full_by_uuid(uuid),
true <- event.visibility in [:public, :unlisted] do
render_with_meta(conn, event)
end
"activity+json" ->
MobilizonWeb.ActivityPubController.call(conn, :event)
_ ->
{:error, :not_found}
end
end
def comment(conn, %{"uuid" => uuid}) do
case get_format(conn) do
"html" ->
with {status, %Comment{} = comment} when status in [:ok, :commit] <-
Events.get_cached_comment_full_by_uuid(uuid) do
# Comments are always public for now
# TODO : Make comments maybe restricted
# true <- comment.public do
render_with_meta(conn, comment)
end
"activity+json" ->
MobilizonWeb.ActivityPubController.call(conn, :comment)
_ ->
{:error, :not_found}
end
end
# Inject OpenGraph information
defp render_with_meta(conn, object) do
{:ok, index_content} = File.read(index_file_path())
tags = Metadata.build_tags(object)
response = String.replace(index_content, "<!--server-generated-meta-->", tags)
conn
|> put_resp_content_type("text/html")
|> send_resp(200, response)
end
defp index_file_path() do
Path.join(Application.app_dir(:mobilizon, "priv/static/"), "index.html")
end
end

14
lib/mobilizon_web/router.ex
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@ -19,6 +19,10 @@ defmodule MobilizonWeb.Router do
end
pipeline :activity_pub do
plug(:accepts, ["activity-json"])
end
pipeline :activity_pub_and_html do
plug(:accepts, ["activity-json", "html"])
end
@ -61,15 +65,19 @@ defmodule MobilizonWeb.Router do
get("/@:name/feed/:format", FeedController, :actor)
end
scope "/", MobilizonWeb do
pipe_through(:activity_pub_and_html)
get("/@:name", PageController, :actor)
get("/events/:uuid", PageController, :event)
get("/comments/:uuid", PageController, :comment)
end
scope "/", MobilizonWeb do
pipe_through(:activity_pub)
get("/@:name", ActivityPubController, :actor)
get("/@:name/outbox", ActivityPubController, :outbox)
get("/@:name/following", ActivityPubController, :following)
get("/@:name/followers", ActivityPubController, :followers)
get("/events/:uuid", ActivityPubController, :event)
get("/comments/:uuid", ActivityPubController, :comment)
end
scope "/", MobilizonWeb do

6
lib/service/metadata.ex Normal file
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@ -0,0 +1,6 @@
defprotocol Mobilizon.Service.Metadata do
@doc """
Build tags
"""
def build_tags(entity)
end

25
lib/service/metadata/actor.ex Normal file
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@ -0,0 +1,25 @@
defimpl Mobilizon.Service.Metadata, for: Mobilizon.Actors.Actor do
alias Phoenix.HTML
alias Phoenix.HTML.Tag
alias Mobilizon.Actors.Actor
require Logger
def build_tags(%Actor{} = actor) do
actor
|> do_build_tags()
|> Enum.map(&HTML.safe_to_string/1)
|> Enum.reduce("", fn tag, acc -> acc <> tag end)
end
defp do_build_tags(%Actor{} = actor) do
[
Tag.tag(:meta, property: "og:title", content: Actor.display_name_and_username(actor)),
Tag.tag(:meta, property: "og:url", content: actor.url),
Tag.tag(:meta, property: "og:description", content: actor.summary),
Tag.tag(:meta, property: "og:type", content: "profile"),
Tag.tag(:meta, property: "profile:username", content: actor.preferred_username),
Tag.tag(:meta, property: "og:image", content: actor.avatar_url),
Tag.tag(:meta, property: "twitter:card", content: "summary")
]
end
end

22
lib/service/metadata/comment.ex Normal file
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@ -0,0 +1,22 @@
defimpl Mobilizon.Service.Metadata, for: Mobilizon.Events.Comment do
alias Phoenix.HTML
alias Phoenix.HTML.Tag
alias Mobilizon.Events.Comment
def build_tags(%Comment{} = comment) do
comment
|> do_build_tags()
|> Enum.map(&HTML.safe_to_string/1)
|> Enum.reduce("", fn tag, acc -> acc <> tag end)
end
defp do_build_tags(%Comment{} = comment) do
[
Tag.tag(:meta, property: "og:title", content: comment.actor.preferred_username),
Tag.tag(:meta, property: "og:url", content: comment.url),
Tag.tag(:meta, property: "og:description", content: comment.text),
Tag.tag(:meta, property: "og:type", content: "website"),
Tag.tag(:meta, property: "twitter:card", content: "summary")
]
end
end

24
lib/service/metadata/event.ex Normal file
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@ -0,0 +1,24 @@
defimpl Mobilizon.Service.Metadata, for: Mobilizon.Events.Event do
alias Phoenix.HTML
alias Phoenix.HTML.Tag
alias Mobilizon.Events.Event
def build_tags(%Event{} = event) do
event
|> do_build_tags()
|> Enum.map(&HTML.safe_to_string/1)
|> Enum.reduce("", fn tag, acc -> acc <> tag end)
end
defp do_build_tags(%Event{} = event) do
[
Tag.tag(:meta, property: "og:title", content: event.title),
Tag.tag(:meta, property: "og:url", content: event.url),
Tag.tag(:meta, property: "og:description", content: event.description),
Tag.tag(:meta, property: "og:type", content: "website"),
Tag.tag(:meta, property: "og:image", content: event.thumbnail),
Tag.tag(:meta, property: "og:image", content: event.large_image),
Tag.tag(:meta, property: "twitter:card", content: "summary_large_image")
]
end
end