akkoma/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex

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defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
use Pleroma.Web, :controller
alias Pleroma.{Repo, Activity, User, Notification}
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alias Pleroma.Web
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alias Pleroma.Web.MastodonAPI.{StatusView, AccountView, MastodonView}
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alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.TwitterAPI.TwitterAPI
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alias Pleroma.Web.{CommonAPI, OStatus}
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alias Pleroma.Web.OAuth.{Authorization, Token, App}
alias Comeonin.Pbkdf2
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import Ecto.Query
import Logger
def create_app(conn, params) do
with cs <- App.register_changeset(%App{}, params) |> IO.inspect,
{:ok, app} <- Repo.insert(cs) |> IO.inspect do
res = %{
id: app.id,
client_id: app.client_id,
client_secret: app.client_secret
}
json(conn, res)
end
end
def update_credentials(%{assigns: %{user: user}} = conn, params) do
params = if bio = params["note"] do
Map.put(params, "bio", bio)
else
params
end
params = if name = params["display_name"] do
Map.put(params, "name", name)
else
params
end
user = if avatar = params["avatar"] do
with %Plug.Upload{} <- avatar,
{:ok, object} <- ActivityPub.upload(avatar),
change = Ecto.Changeset.change(user, %{avatar: object.data}),
{:ok, user} = Repo.update(change) do
user
else
_e -> user
end
else
user
end
user = if banner = params["header"] do
with %Plug.Upload{} <- banner,
{:ok, object} <- ActivityPub.upload(banner),
new_info <- Map.put(user.info, "banner", object.data),
change <- User.info_changeset(user, %{info: new_info}),
{:ok, user} <- Repo.update(change) do
user
else
_e -> user
end
else
user
end
with changeset <- User.update_changeset(user, params),
{:ok, user} <- Repo.update(changeset) do
json conn, AccountView.render("account.json", %{user: user})
else
_e ->
conn
|> put_status(403)
|> json(%{error: "Invalid request"})
end
end
def verify_credentials(%{assigns: %{user: user}} = conn, params) do
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account = AccountView.render("account.json", %{user: user})
json(conn, account)
end
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def user(conn, %{"id" => id}) do
with %User{} = user <- Repo.get(User, id) do
account = AccountView.render("account.json", %{user: user})
json(conn, account)
else
_e -> conn
|> put_status(404)
|> json(%{error: "Can't find user"})
end
end
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@instance Application.get_env(:pleroma, :instance)
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def masto_instance(conn, _params) do
response = %{
uri: Web.base_url,
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title: Keyword.get(@instance, :name),
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description: "A Pleroma instance, an alternative fediverse server",
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version: Keyword.get(@instance, :version),
email: Keyword.get(@instance, :email),
urls: %{
streaming_api: String.replace(Web.base_url, ["http","https"], "wss")
},
stats: %{
user_count: 1,
status_count: 2,
domain_count: 3
}
}
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json(conn, response)
end
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defp mastodonized_emoji do
Pleroma.Formatter.get_custom_emoji()
|> Enum.map(fn {shortcode, relative_url} ->
url = to_string URI.merge(Web.base_url(), relative_url)
%{
"shortcode" => shortcode,
"static_url" => url,
"url" => url
}
end)
end
def custom_emojis(conn, _params) do
mastodon_emoji = mastodonized_emoji()
json conn, mastodon_emoji
end
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defp add_link_headers(conn, method, activities) do
last = List.last(activities)
first = List.first(activities)
if last do
min = last.id
max = first.id
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next_url = mastodon_api_url(Pleroma.Web.Endpoint, method, max_id: min)
prev_url = mastodon_api_url(Pleroma.Web.Endpoint, method, since_id: max)
conn
|> put_resp_header("link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"")
else
conn
end
end
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def home_timeline(%{assigns: %{user: user}} = conn, params) do
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params = params
|> Map.put("type", ["Create", "Announce"])
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|> Map.put("blocking_user", user)
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activities = ActivityPub.fetch_activities([user.ap_id | user.following], params)
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|> Enum.reverse
conn
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|> add_link_headers(:home_timeline, activities)
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|> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
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end
def public_timeline(%{assigns: %{user: user}} = conn, params) do
params = params
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|> Map.put("type", ["Create", "Announce"])
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|> Map.put("local_only", !!params["local"])
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|> Map.put("blocking_user", user)
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activities = ActivityPub.fetch_public_activities(params)
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|> Enum.reverse
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conn
|> add_link_headers(:public_timeline, activities)
|> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
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end
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# TODO: Link headers
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def user_statuses(%{assigns: %{user: user}} = conn, params) do
with %User{ap_id: ap_id} <- Repo.get(User, params["id"]) do
params = params
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|> Map.put("type", ["Create", "Announce"])
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|> Map.put("actor_id", ap_id)
|> Map.put("whole_db", true)
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activities = ActivityPub.fetch_activities([], params)
|> Enum.reverse
render conn, StatusView, "index.json", %{activities: activities, for: user, as: :activity}
end
end
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def get_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Repo.get(Activity, id) do
render conn, StatusView, "status.json", %{activity: activity, for: user}
end
end
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def get_context(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Repo.get(Activity, id),
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activities <- ActivityPub.fetch_activities_for_context(activity.data["object"]["context"], %{"blocking_user" => user}),
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activities <- activities |> Enum.filter(fn (%{id: aid}) -> to_string(aid) != to_string(id) end),
grouped_activities <- Enum.group_by(activities, fn (%{id: id}) -> id < activity.id end) do
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result = %{
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ancestors: StatusView.render("index.json", for: user, activities: grouped_activities[true] || [], as: :activity) |> Enum.reverse,
descendants: StatusView.render("index.json", for: user, activities: grouped_activities[false] || [], as: :activity) |> Enum.reverse,
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}
json(conn, result)
end
end
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def post_status(%{assigns: %{user: user}} = conn, %{"status" => status} = params) do
params = params
|> Map.put("in_reply_to_status_id", params["in_reply_to_id"])
{:ok, activity} = CommonAPI.post(user, params)
render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
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end
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def delete_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with {:ok, %Activity{}} <- CommonAPI.delete(id, user) do
json(conn, %{})
else
_e ->
conn
|> put_status(403)
|> json(%{error: "Can't delete this post"})
end
end
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def reblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
with {:ok, announce, _activity} = CommonAPI.repeat(ap_id_or_id, user) do
render conn, StatusView, "status.json", %{activity: announce, for: user, as: :activity}
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end
end
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def fav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
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with {:ok, _fav, %{data: %{"id" => id}}} = CommonAPI.favorite(ap_id_or_id, user),
%Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
end
end
def unfav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
with {:ok, %{data: %{"id" => id}}} = CommonAPI.unfavorite(ap_id_or_id, user),
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%Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
end
end
def notifications(%{assigns: %{user: user}} = conn, params) do
notifications = Notification.for_user(user, params)
result = Enum.map(notifications, fn x ->
render_notification(user, x)
end)
|> Enum.filter(&(&1))
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conn
|> add_link_headers(:notifications, notifications)
|> json(result)
end
def get_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
with {:ok, notification} <- Notification.get(user, id) do
json(conn, render_notification(user, notification))
else
{:error, reason} ->
conn
|> put_resp_content_type("application/json")
|> send_resp(403, Poison.encode!(%{"error" => reason}))
end
end
def clear_notifications(%{assigns: %{user: user}} = conn, _params) do
Notification.clear(user)
json(conn, %{})
end
def dismiss_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
with {:ok, _notif} <- Notification.dismiss(user, id) do
json(conn, %{})
else
{:error, reason} ->
conn
|> put_resp_content_type("application/json")
|> send_resp(403, Poison.encode!(%{"error" => reason}))
end
end
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def relationships(%{assigns: %{user: user}} = conn, %{"id" => id}) do
id = List.wrap(id)
q = from u in User,
where: u.id in ^id
targets = Repo.all(q)
render conn, AccountView, "relationships.json", %{user: user, targets: targets}
end
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def upload(%{assigns: %{user: user}} = conn, %{"file" => file}) do
with {:ok, object} <- ActivityPub.upload(file) do
data = object.data
|> Map.put("id", object.id)
render conn, StatusView, "attachment.json", %{attachment: data}
end
end
def favourited_by(conn, %{"id" => id}) do
with %Activity{data: %{"object" => %{"likes" => likes} = data}} <- Repo.get(Activity, id) do
q = from u in User,
where: u.ap_id in ^likes
users = Repo.all(q)
render conn, AccountView, "accounts.json", %{users: users, as: :user}
else
_ -> json(conn, [])
end
end
def reblogged_by(conn, %{"id" => id}) do
with %Activity{data: %{"object" => %{"announcements" => announces}}} <- Repo.get(Activity, id) do
q = from u in User,
where: u.ap_id in ^announces
users = Repo.all(q)
render conn, AccountView, "accounts.json", %{users: users, as: :user}
else
_ -> json(conn, [])
end
end
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# TODO: Link headers
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def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
params = params
|> Map.put("type", "Create")
|> Map.put("local_only", !!params["local"])
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|> Map.put("blocking_user", user)
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activities = ActivityPub.fetch_public_activities(params)
|> Enum.reverse
conn
|> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
end
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# TODO: Pagination
def followers(conn, %{"id" => id}) do
with %User{} = user <- Repo.get(User, id),
{:ok, followers} <- User.get_followers(user) do
render conn, AccountView, "accounts.json", %{users: followers, as: :user}
end
end
def following(conn, %{"id" => id}) do
with %User{} = user <- Repo.get(User, id),
{:ok, followers} <- User.get_friends(user) do
render conn, AccountView, "accounts.json", %{users: followers, as: :user}
end
end
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def follow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
with %User{} = followed <- Repo.get(User, id),
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{:ok, follower} <- User.follow(follower, followed),
{:ok, activity} <- ActivityPub.follow(follower, followed) do
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render conn, AccountView, "relationship.json", %{user: follower, target: followed}
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else
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{:error, message} = err ->
conn
|> put_resp_content_type("application/json")
|> send_resp(403, Poison.encode!(%{"error" => message}))
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end
end
def follow(%{assigns: %{user: follower}} = conn, %{"uri" => uri}) do
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with %User{} = followed <- Repo.get_by(User, nickname: uri),
{:ok, follower} <- User.follow(follower, followed),
{:ok, activity} <- ActivityPub.follow(follower, followed) do
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render conn, AccountView, "account.json", %{user: followed}
else
{:error, message} = err ->
conn
|> put_resp_content_type("application/json")
|> send_resp(403, Poison.encode!(%{"error" => message}))
end
end
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# TODO: Clean up and unify
def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
with %User{} = followed <- Repo.get(User, id),
{ :ok, follower, follow_activity } <- User.unfollow(follower, followed),
{ :ok, _activity } <- ActivityPub.insert(%{
"type" => "Undo",
"actor" => follower.ap_id,
"object" => follow_activity.data["id"] # get latest Follow for these users
}) do
render conn, AccountView, "relationship.json", %{user: follower, target: followed}
end
end
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def block(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
with %User{} = blocked <- Repo.get(User, id),
{:ok, blocker} <- User.block(blocker, blocked) do
render conn, AccountView, "relationship.json", %{user: blocker, target: blocked}
else
{:error, message} = err ->
conn
|> put_resp_content_type("application/json")
|> send_resp(403, Poison.encode!(%{"error" => message}))
end
end
def unblock(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
with %User{} = blocked <- Repo.get(User, id),
{:ok, blocker} <- User.unblock(blocker, blocked) do
render conn, AccountView, "relationship.json", %{user: blocker, target: blocked}
else
{:error, message} = err ->
conn
|> put_resp_content_type("application/json")
|> send_resp(403, Poison.encode!(%{"error" => message}))
end
end
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# TODO: Use proper query
def blocks(%{assigns: %{user: user}} = conn, _) do
with blocked_users <- user.info["blocks"] || [],
accounts <- Enum.map(blocked_users, fn (ap_id) -> User.get_cached_by_ap_id(ap_id) end) do
res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)
json(conn, res)
end
end
def search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
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accounts = User.search(query, params["resolve"] == "true")
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fetched = if Regex.match?(~r/https?:/, query) do
with {:ok, activities} <- OStatus.fetch_activity_from_url(query) do
activities
else
_e -> []
end
end || []
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q = from a in Activity,
where: fragment("?->>'type' = 'Create'", a.data),
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where: fragment("to_tsvector('english', ?->'object'->>'content') @@ plainto_tsquery('english', ?)", a.data, ^query),
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limit: 20
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statuses = Repo.all(q) ++ fetched
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res = %{
"accounts" => AccountView.render("accounts.json", users: accounts, for: user, as: :user),
"statuses" => StatusView.render("index.json", activities: statuses, for: user, as: :activity),
"hashtags" => []
}
json(conn, res)
end
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def account_search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
accounts = User.search(query, params["resolve"] == "true")
res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)
json(conn, res)
end
def favourites(%{assigns: %{user: user}} = conn, params) do
params = conn
|> Map.put("type", "Create")
|> Map.put("favorited_by", user.ap_id)
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|> Map.put("blocking_user", user)
activities = ActivityPub.fetch_activities([], params)
|> Enum.reverse
conn
|> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
end
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def index(%{assigns: %{user: user}} = conn, _params) do
token = conn
|> get_session(:oauth_token)
if user && token do
mastodon_emoji = mastodonized_emoji()
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accounts = Map.put(%{}, user.id, AccountView.render("account.json", %{user: user}))
initial_state = %{
meta: %{
streaming_api_base_url: String.replace(Pleroma.Web.Endpoint.static_url(), "http", "ws"),
access_token: token,
locale: "en",
domain: Pleroma.Web.Endpoint.host(),
admin: "1",
me: "#{user.id}",
unfollow_modal: false,
boost_modal: false,
delete_modal: true,
auto_play_gif: false,
reduce_motion: false
},
compose: %{
me: "#{user.id}",
default_privacy: "public",
default_sensitive: false
},
media_attachments: %{
accept_content_types: [
".jpg",
".jpeg",
".png",
".gif",
".webm",
".mp4",
".m4v",
"image\/jpeg",
"image\/png",
"image\/gif",
"video\/webm",
"video\/mp4"
]
},
settings: %{
onboarded: true,
home: %{
shows: %{
reblog: true,
reply: true
}
},
notifications: %{
alerts: %{
follow: true,
favourite: true,
reblog: true,
mention: true
},
shows: %{
follow: true,
favourite: true,
reblog: true,
mention: true
},
sounds: %{
follow: true,
favourite: true,
reblog: true,
mention: true
}
}
},
push_subscription: nil,
accounts: accounts,
custom_emojis: mastodon_emoji
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} |> Poison.encode!
conn
|> put_layout(false)
|> render(MastodonView, "index.html", %{initial_state: initial_state})
else
conn
|> redirect(to: "/web/login")
end
end
def login(conn, params) do
conn
|> render(MastodonView, "login.html")
end
defp get_or_make_app() do
with %App{} = app <- Repo.get_by(App, client_name: "Mastodon-Local") do
{:ok, app}
else
_e ->
cs = App.register_changeset(%App{}, %{client_name: "Mastodon-Local", redirect_uris: ".", scopes: "read,write,follow"})
Repo.insert(cs)
end
end
def login_post(conn, %{"authorization" => %{ "name" => name, "password" => password}}) do
with %User{} = user <- User.get_cached_by_nickname(name),
true <- Pbkdf2.checkpw(password, user.password_hash),
{:ok, app} <- get_or_make_app(),
{:ok, auth} <- Authorization.create_authorization(app, user),
{:ok, token} <- Token.exchange_token(app, auth) do
conn
|> put_session(:oauth_token, token.token)
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|> redirect(to: "/web/getting-started")
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end
end
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def relationship_noop(%{assigns: %{user: user}} = conn, %{"id" => id}) do
Logger.debug("Unimplemented, returning unmodified relationship")
with %User{} = target <- Repo.get(User, id) do
render conn, AccountView, "relationship.json", %{user: user, target: target}
end
end
def empty_array(conn, _) do
Logger.debug("Unimplemented, returning an empty array")
json(conn, [])
end
def render_notification(user, %{id: id, activity: activity, inserted_at: created_at} = _params) do
actor = User.get_cached_by_ap_id(activity.data["actor"])
created_at = NaiveDateTime.to_iso8601(created_at)
|> String.replace(~r/(\.\d+)?$/, ".000Z", global: false)
case activity.data["type"] do
"Create" ->
%{id: id, type: "mention", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: activity, for: user})}
"Like" ->
liked_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
%{id: id, type: "favourite", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: liked_activity, for: user})}
"Announce" ->
announced_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
%{id: id, type: "reblog", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: announced_activity, for: user})}
"Follow" ->
%{id: id, type: "follow", created_at: created_at, account: AccountView.render("account.json", %{user: actor})}
_ -> nil
end
end
end