Throttle retrying when APNS connection closed

lib/tusker_push.ex

@@ -18,6 +18,14 @@ defmodule TuskerPush do
     |> Repo.insert()
   end
 
+  @spec update_registration(Registration.t(), Map.t()) ::
+          {:ok, Registration.t()} | {:error, Ecto.Changeset.t()}
+  def update_registration(registration, params) do
+    registration
+    |> Registration.update_changeset(params)
+    |> Repo.update()
+  end
+
   @spec unregister(String.t()) :: :ok | {:error, :no_registration | Ecto.Changeset.t()}
   def unregister(id) when is_binary(id) do
     with registration when not is_nil(registration) <- Repo.get(Registration, id),

lib/tusker_push/apns.ex

@@ -0,0 +1,118 @@
+defmodule TuskerPush.Apns do
+  alias TuskerPush.Registration
+
+  require Logger
+
+  @spec send(Registration.t(), Map.t()) :: :ok | {:error, term()}
+  def send(registration, payload) do
+    with {:ok, body} <- Jason.encode(payload, pretty_print: false),
+         req <- make_request(registration, body),
+         {:ok, resp} <- Finch.request(req, TuskerPush.Finch) do
+      handle_response(resp, registration, payload)
+    else
+      {:error, %Finch.Error{reason: :connection_closed}} ->
+        Logger.warning("Apns Finch connection_closed, retrying in 1s")
+        Process.sleep(1000)
+        __MODULE__.send(registration, payload)
+
+      {:error, %Finch.Error{reason: :disconnected}} ->
+        Logger.warning("Apns Finch disconnected, retrying in 1s")
+        Process.sleep(1000)
+        __MODULE__.send(registration, payload)
+
+      {:error, %Mint.TransportError{reason: :closed}} ->
+        Logger.warning("Apns Mint transport closed, retrying in 1s")
+        Process.sleep(1000)
+        __MODULE__.send(registration, payload)
+
+      {:error, reason} ->
+        {:error, reason}
+    end
+  end
+
+  @spec make_request(Registration.t(), binary()) :: Finch.Request.t()
+  defp make_request(registration, body) do
+    bundle_id = Application.fetch_env!(:tusker_push, :apns)[:bundle_id]
+
+    headers = [
+      {"authorization", "bearer #{TuskerPush.Apns.Token.current()}"},
+      {"apns-push-type", "alert"},
+      {"apns-bundle-id", bundle_id},
+      {"apns-topic", bundle_id},
+      {"apns-expiration",
+       DateTime.utc_now() |> DateTime.add(1, :day) |> DateTime.to_unix() |> Integer.to_string()}
+    ]
+
+    Finch.build(
+      :post,
+      "https://#{host(registration.apns_environment)}/3/device/#{registration.apns_device_token}",
+      headers,
+      body
+    )
+  end
+
+  @spec handle_response(Finch.Response.t(), Registration.t(), Map.t()) :: :ok | {:error, term()}
+
+  defp handle_response(resp, registration, payload) do
+    maybe_log_unique_id(resp, registration.apns_environment)
+
+    if resp.status in 200..299 do
+      :ok
+    else
+      info =
+        case Jason.decode(resp.body) do
+          {:ok, data} ->
+            inspect(data)
+
+          {:error, _} ->
+            resp.body
+        end
+
+      case {resp.status, info} do
+        {403, %{reason: "ExpiredProviderToken"}} ->
+          Logger.warning("Expired provider token, retrying")
+          __MODULE__.send(registration, payload)
+
+        {410, %{reason: "Unregistered"}} ->
+          Logger.warning("Device token unregistered")
+          {:error, :device_token_unregistered}
+
+        _ ->
+          Logger.error("Received #{resp.status} with #{inspect(info)}")
+
+          {:error, "unexpected status #{resp.status}"}
+      end
+    end
+  end
+
+  @spec maybe_log_unique_id(Finch.Response.t(), :development | :production) :: :ok
+
+  defp maybe_log_unique_id(resp, :development) do
+    resp.headers
+    |> Enum.find(fn
+      {"apns-unique-id", _} -> true
+      _ -> false
+    end)
+    |> case do
+      {_, id} ->
+        Logger.debug("APNS unique id: #{id}")
+
+      _ ->
+        nil
+    end
+
+    :ok
+  end
+
+  defp maybe_log_unique_id(_resp, :production), do: :ok
+
+  @spec host(:development | :production) :: String.t()
+
+  def host(:development) do
+    "api.sandbox.push.apple.com"
+  end
+
+  def host(:production) do
+    "api.push.apple.com"
+  end
+end

lib/tusker_push/apns/token.ex

@@ -0,0 +1,57 @@
+defmodule TuskerPush.Apns.Token do
+  use GenServer
+
+  require Logger
+
+  def start_link(_) do
+    GenServer.start_link(__MODULE__, nil, name: __MODULE__)
+  end
+
+  def current do
+    GenServer.call(__MODULE__, :current)
+  end
+
+  @impl true
+  def init(_) do
+    Logger.debug("Apns.Token initialized, scheduling update")
+    Process.send_after(self(), :refresh, 1000 * 60 * 45)
+    {:ok, generate_token()}
+  end
+
+  @impl true
+  def handle_info(:refresh, _old_token) do
+    Logger.debug("Apns.Token regenerated")
+    Process.send_after(self(), :refresh, 1000 * 60 * 45)
+    {:noreply, generate_token()}
+  end
+
+  @impl true
+  def handle_call(:current, _from, token) do
+    {:reply, token, token}
+  end
+
+  defp generate_token do
+    # can't use Joken because it always inserts "typ": "JWT" which APNS doesn't like
+
+    config = Application.fetch_env!(:tusker_push, :apns)
+
+    jwk = JOSE.JWK.from_pem(config[:key_pem])
+
+    jws =
+      JOSE.JWS.from_map(%{
+        "kid" => config[:key_id],
+        "alg" => "ES256"
+      })
+
+    claims = %{
+      "iss" => config[:team_id],
+      "iat" => DateTime.utc_now() |> DateTime.to_unix()
+    }
+
+    {_, result} =
+      JOSE.JWT.sign(jwk, jws, claims)
+      |> JOSE.JWS.compact()
+
+    result
+  end
+end

lib/tusker_push/application.ex

@@ -14,6 +14,13 @@ defmodule TuskerPush.Application do
       {Phoenix.PubSub, name: TuskerPush.PubSub},
       # Start a worker by calling: TuskerPush.Worker.start_link(arg)
       # {TuskerPush.Worker, arg},
+      {Finch,
+       name: TuskerPush.Finch,
+       pools: %{
+         ("https://" <> TuskerPush.Apns.host(:development)) => [protocols: [:http2], count: 1],
+         ("https://" <> TuskerPush.Apns.host(:production)) => [protocols: [:http2], count: 1]
+       }},
+      TuskerPush.Apns.Token,
       # Start to serve requests, typically the last entry
       TuskerPushWeb.Endpoint
     ]

lib/tusker_push/forwarder.ex

@@ -0,0 +1,35 @@
+defmodule TuskerPush.Forwarder do
+  alias TuskerPush.Apns
+  alias TuskerPush.Registration
+
+  require Logger
+
+  @spec forward(Registration.t(), binary(), String.t(), String.t(), String.t() | nil) ::
+          :ok | {:error, term()}
+  def forward(%Registration{push_version: 1} = registration, body, salt, key, context) do
+    payload = %{
+      "aps" => %{
+        "alert" => %{
+          "loc-key" => "apns_enc"
+        },
+        "mutable-content" => 1
+      },
+      "reg_id" => registration.id,
+      "data" => Base.encode64(body),
+      "salt" => salt,
+      "pk" => key,
+      "v" => 1
+    }
+
+    payload =
+      unless is_nil(context) do
+        Map.put(payload, "ctx", context)
+      else
+        payload
+      end
+
+    Logger.debug("Sending #{inspect(payload)}")
+
+    Apns.send(registration, payload)
+  end
+end

lib/tusker_push/registration.ex

@@ -8,6 +8,7 @@ defmodule TuskerPush.Registration do
           storekit_original_transaction_id: String.t(),
           apns_environment: String.t(),
           apns_device_token: String.t(),
+          push_version: integer(),
           inserted_at: NaiveDateTime.t(),
           updated_at: NaiveDateTime.t()
         }
@@ -18,16 +19,36 @@ defmodule TuskerPush.Registration do
     field :storekit_original_transaction_id, :string
 
     field :apns_environment, Ecto.Enum, values: [:production, :development]
+    # hex-encoded
     field :apns_device_token, :string
 
+    field :push_version, :integer
+
     timestamps()
   end
 
-  @required_fields [:storekit_original_transaction_id, :apns_environment, :apns_device_token]
+  @create_fields [
+    :storekit_original_transaction_id,
+    :apns_environment,
+    :apns_device_token,
+    :push_version
+  ]
 
   def create_changeset(registration \\ %__MODULE__{}, params) do
     registration
-    |> cast(params, @required_fields)
-    |> validate_required(@required_fields)
+    |> cast(params, @create_fields)
+    |> validate_required(@create_fields)
+  end
+
+  @update_fields [
+    :apns_environment,
+    :apns_device_token,
+    :push_version
+  ]
+
+  def update_changeset(registration, params) do
+    registration
+    |> cast(params, @update_fields)
+    |> validate_required(@update_fields)
   end
 end

lib/tusker_push_web/controllers/app_registrations_controller.ex

@@ -0,0 +1,108 @@
+defmodule TuskerPushWeb.AppRegistrationsController do
+  alias TuskerPush.Registration
+  alias Ecto.Changeset
+  use TuskerPushWeb, :controller
+
+  require Logger
+
+  def create(conn, %{
+        "transaction_id" => transaction_id,
+        "environment" => env,
+        "device_token" => token,
+        "push_version" => version
+      }) do
+    with {:ok, %Registration{id: id}} <-
+           TuskerPush.register(%{
+             storekit_original_transaction_id: transaction_id,
+             apns_environment: env,
+             apns_device_token: token,
+             push_version: version
+           }) do
+      conn
+      |> json(%{
+        id: id,
+        endpoint: url(~p"/mastodon/v1/push/#{id}"),
+        device_token: token
+      })
+    else
+      {:error, %Changeset{valid?: false} = changeset} ->
+        errors =
+          changeset.errors
+          |> Enum.map(fn {k, {reason, _}} -> %{key: k, reason: reason} end)
+
+        conn
+        |> put_status(400)
+        |> json(%{error: "validation failed", fields: errors})
+
+      {:error, reason} ->
+        Logger.error("Failed creating registration: #{inspect(reason)}")
+
+        conn
+        |> put_status(500)
+        |> json(%{error: "unknown error", fields: []})
+    end
+  end
+
+  def create(conn, _) do
+    conn
+    |> put_status(400)
+    |> json(%{error: "missing required parameters"})
+  end
+
+  def update(conn, %{
+        "id" => id,
+        "environment" => env,
+        "device_token" => token,
+        "push_version" => version
+      }) do
+    params = %{
+      apns_environment: env,
+      apns_device_token: token,
+      push_version: version
+    }
+
+    with {:registration, registration} when not is_nil(registration) <-
+           {:registration, TuskerPush.get_registration(id)},
+         {:ok, _} <- TuskerPush.update_registration(registration, params) do
+      conn
+      |> json(%{
+        id: id,
+        endpoint: url(~p"/mastodon/v1/push/#{id}"),
+        device_token: token
+      })
+    else
+      {:registration, nil} ->
+        conn
+        |> put_status(404)
+        |> json(%{error: "not found", fields: []})
+
+      {:error, %Changeset{valid?: false} = changeset} ->
+        errors =
+          changeset.errors
+          |> Enum.map(fn {k, {reason, _}} -> %{key: k, reason: reason} end)
+
+        conn
+        |> put_status(400)
+        |> json(%{error: "validation failed", fields: errors})
+
+      {:error, reason} ->
+        Logger.error("Failed updating registration: #{inspect(reason)}")
+
+        conn
+        |> put_status(500)
+        |> json(%{error: "unknown error", fields: []})
+    end
+  end
+
+  def update(conn, _) do
+    conn
+    |> put_status(400)
+    |> json(%{error: "missing required parameters"})
+  end
+
+  def delete(conn, %{"id" => id}) do
+    TuskerPush.unregister(id)
+
+    json(conn, %{status: "ok"})
+  end
+end

lib/tusker_push_web/controllers/push_controller.ex

@@ -1,14 +1,19 @@
 defmodule TuskerPushWeb.PushController do
+  alias TuskerPush.Forwarder
   use TuskerPushWeb, :controller
 
   require Logger
 
-  def push(conn, %{"id" => id}) do
+  def push(conn, %{"id" => id} = params) do
     with {:registration, registration} when not is_nil(registration) <-
            {:registration, TuskerPush.get_registration(id)},
          :ok <- TuskerPush.check_registration_expired(registration),
-         {:ok, body, conn} <- read_body(conn) do
-      IO.inspect(body |> byte_size())
+         {:encoding, ["aesgcm"]} <- {:encoding, get_req_header(conn, "content-encoding")},
+         {:body, {:ok, body, conn}} <- {:body, read_body(conn)},
+         {:salt, salt} when not is_nil(salt) <- get_salt(conn),
+         {:key, key} when not is_nil(key) <- get_key(conn),
+         context <- Map.get(params, "context"),
+         {:forward, :ok} <- {:forward, Forwarder.forward(registration, body, salt, key, context)} do
       send_resp(conn, 200, "ok")
     else
       {:registration, nil} ->
@@ -16,18 +21,68 @@ defmodule TuskerPushWeb.PushController do
 
       {:expired, registration} ->
         TuskerPush.unregister(registration)
+        send_resp(conn, 400, "expired")
 
-        send_resp(conn, 400, "unregistered")
+      {:encoding, encoding} ->
+        Logger.warning("Unexpected encoding: #{inspect(encoding)}")
+        send_resp(conn, 400, "bad encoding")
 
-      {:more, _, conn} ->
+      {:body, {:more, _, conn}} ->
         Logger.error("Didn't finish reading")
-
         send_resp(conn, 500, "failed to read body")
 
-      {:error, reason} ->
+      {:body, {:error, reason}} ->
         Logger.error("Reading body: #{inspect(reason)}")
-
         send_resp(conn, 500, "failed to read body")
+
+      {:salt, nil} ->
+        Logger.warning("Missing salt")
+        send_resp(conn, 400, "missing salt")
+
+      {:key, nil} ->
+        Logger.warning("Missing key")
+        send_resp(conn, 400, "missing key")
+
+      {:forward, {:error, :device_token_unregistered}} ->
+        Logger.debug("APNS device token unregistered, removing registration")
+        TuskerPush.unregister(id)
+        send_resp(conn, 400, "apns unregistered")
+
+      {:forward, {:error, reason}} ->
+        Logger.error("Sending notification: #{inspect(reason)}")
+        send_resp(conn, 500, "failed to send")
+    end
+  end
+
+  defp get_salt(conn) do
+    conn
+    |> get_req_header("encryption")
+    |> case do
+      ["salt=" <> salt] ->
+        {:salt, salt}
+
+      _ ->
+        {:salt, nil}
+    end
+  end
+
+  defp get_key(conn) do
+    conn
+    |> get_req_header("crypto-key")
+    |> case do
+      [value] ->
+        dh =
+          value
+          |> String.split(";")
+          |> Enum.find_value(fn
+            "dh=" <> val -> val
+            _ -> false
+          end)
+
+        {:key, dh}
+
+      _ ->
+        {:key, nil}
     end
   end
 end

lib/tusker_push_web/controllers/registrations_controller.ex

@@ -1,59 +0,0 @@
-defmodule TuskerPushWeb.RegistrationsController do
-  alias TuskerPush.Registration
-  alias Ecto.Changeset
-  use TuskerPushWeb, :controller
-
-  require Logger
-
-  def create(conn, %{
-        "transaction_id" => transaction_id,
-        "environment" => env,
-        "device_token" => token
-      }) do
-    with {:ok, %Registration{id: id}} <-
-           TuskerPush.register(%{
-             storekit_original_transaction_id: transaction_id,
-             apns_environment: env,
-             apns_device_token: token
-           }) do
-      conn
-      |> json(%{
-        id: id,
-        endpoint: url(~p"/mastodon/push/#{id}")
-      })
-    else
-      {:env, nil} ->
-        conn
-        |> put_status(400)
-        |> json(%{error: "invalid apns environment"})
-
-      {:error, %Changeset{valid?: false} = changeset} ->
-        errors =
-          changeset.errors
-          |> Enum.map(fn {k, {reason, _}} -> %{key: k, reason: reason} end)
-
-        conn
-        |> put_status(400)
-        |> json(%{errors: errors})
-
-      {:error, reason} ->
-        Logger.error("Failed creating registration: #{inspect(reason)}")
-
-        conn
-        |> put_status(500)
-        |> json(%{error: "unknown error"})
-    end
-  end
-
-  def create(conn, _) do
-    conn
-    |> put_status(400)
-    |> json(%{error: "missing required parameters"})
-  end
-
-  def delete(conn, %{"id" => id}) do
-    TuskerPush.unregister(id)
-
-    json(conn, %{status: "ok"})
-  end
-end

lib/tusker_push_web/router.ex

@@ -8,12 +8,16 @@ defmodule TuskerPushWeb.Router do
   scope "/app", TuskerPushWeb do
     pipe_through :api
 
-    resources "/registrations", RegistrationsController, only: [:create, :delete]
+    scope "/v1" do
+      resources "/registrations", AppRegistrationsController, only: [:create, :update, :delete]
+    end
   end
 
   scope "/mastodon", TuskerPushWeb do
     pipe_through :api
 
+    scope "/v1" do
       post "/push/:id", PushController, :push
     end
   end
+end

mix.exs

@@ -41,7 +41,9 @@ defmodule TuskerPush.MixProject do
       {:jason, "~> 1.2"},
       {:dns_cluster, "~> 0.1.1"},
       {:bandit, "~> 1.2"},
-      {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false}
+      {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false},
+      {:finch, "~> 0.18"},
+      {:jose, "~> 1.11"}
     ]
   end
 

mix.lock

@@ -8,9 +8,15 @@
   "ecto": {:hex, :ecto, "3.11.2", "e1d26be989db350a633667c5cda9c3d115ae779b66da567c68c80cfb26a8c9ee", [:mix], [{:decimal, "~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "3c38bca2c6f8d8023f2145326cc8a80100c3ffe4dcbd9842ff867f7fc6156c65"},
   "ecto_sql": {:hex, :ecto_sql, "3.11.1", "e9abf28ae27ef3916b43545f9578b4750956ccea444853606472089e7d169470", [:mix], [{:db_connection, "~> 2.4.1 or ~> 2.5", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.11.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:myxql, "~> 0.6.0", [hex: :myxql, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.16.0 or ~> 0.17.0 or ~> 1.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:tds, "~> 2.1.1 or ~> 2.2", [hex: :tds, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "ce14063ab3514424276e7e360108ad6c2308f6d88164a076aac8a387e1fea634"},
   "erlex": {:hex, :erlex, "0.2.6", "c7987d15e899c7a2f34f5420d2a2ea0d659682c06ac607572df55a43753aa12e", [:mix], [], "hexpm", "2ed2e25711feb44d52b17d2780eabf998452f6efda104877a3881c2f8c0c0c75"},
+  "finch": {:hex, :finch, "0.18.0", "944ac7d34d0bd2ac8998f79f7a811b21d87d911e77a786bc5810adb75632ada4", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: false]}, {:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mint, "~> 1.3", [hex: :mint, repo: "hexpm", optional: false]}, {:nimble_options, "~> 0.4 or ~> 1.0", [hex: :nimble_options, repo: "hexpm", optional: false]}, {:nimble_pool, "~> 0.2.6 or ~> 1.0", [hex: :nimble_pool, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "69f5045b042e531e53edc2574f15e25e735b522c37e2ddb766e15b979e03aa65"},
   "hpax": {:hex, :hpax, "0.1.2", "09a75600d9d8bbd064cdd741f21fc06fc1f4cf3d0fcc335e5aa19be1a7235c84", [:mix], [], "hexpm", "2c87843d5a23f5f16748ebe77969880e29809580efdaccd615cd3bed628a8c13"},
   "jason": {:hex, :jason, "1.4.1", "af1504e35f629ddcdd6addb3513c3853991f694921b1b9368b0bd32beb9f1b63", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "fbb01ecdfd565b56261302f7e1fcc27c4fb8f32d56eab74db621fc154604a7a1"},
+  "joken": {:hex, :joken, "2.6.0", "b9dd9b6d52e3e6fcb6c65e151ad38bf4bc286382b5b6f97079c47ade6b1bcc6a", [:mix], [{:jose, "~> 1.11.5", [hex: :jose, repo: "hexpm", optional: false]}], "hexpm", "5a95b05a71cd0b54abd35378aeb1d487a23a52c324fa7efdffc512b655b5aaa7"},
+  "jose": {:hex, :jose, "1.11.6", "613fda82552128aa6fb804682e3a616f4bc15565a048dabd05b1ebd5827ed965", [:mix, :rebar3], [], "hexpm", "6275cb75504f9c1e60eeacb771adfeee4905a9e182103aa59b53fed651ff9738"},
   "mime": {:hex, :mime, "2.0.5", "dc34c8efd439abe6ae0343edbb8556f4d63f178594894720607772a041b04b02", [:mix], [], "hexpm", "da0d64a365c45bc9935cc5c8a7fc5e49a0e0f9932a761c55d6c52b142780a05c"},
+  "mint": {:hex, :mint, "1.5.2", "4805e059f96028948870d23d7783613b7e6b0e2fb4e98d720383852a760067fd", [:mix], [{:castore, "~> 0.1.0 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:hpax, "~> 0.1.1", [hex: :hpax, repo: "hexpm", optional: false]}], "hexpm", "d77d9e9ce4eb35941907f1d3df38d8f750c357865353e21d335bdcdf6d892a02"},
+  "nimble_options": {:hex, :nimble_options, "1.1.0", "3b31a57ede9cb1502071fade751ab0c7b8dbe75a9a4c2b5bbb0943a690b63172", [:mix], [], "hexpm", "8bbbb3941af3ca9acc7835f5655ea062111c9c27bcac53e004460dfd19008a99"},
+  "nimble_pool": {:hex, :nimble_pool, "1.1.0", "bf9c29fbdcba3564a8b800d1eeb5a3c58f36e1e11d7b7fb2e084a643f645f06b", [:mix], [], "hexpm", "af2e4e6b34197db81f7aad230c1118eac993acc0dae6bc83bac0126d4ae0813a"},
   "phoenix": {:hex, :phoenix, "1.7.11", "1d88fc6b05ab0c735b250932c4e6e33bfa1c186f76dcf623d8dd52f07d6379c7", [:mix], [{:castore, ">= 0.0.0", [hex: :castore, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 2.1", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:phoenix_template, "~> 1.0", [hex: :phoenix_template, repo: "hexpm", optional: false]}, {:phoenix_view, "~> 2.0", [hex: :phoenix_view, repo: "hexpm", optional: true]}, {:plug, "~> 1.14", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 2.7", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:plug_crypto, "~> 1.2 or ~> 2.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}, {:websock_adapter, "~> 0.5.3", [hex: :websock_adapter, repo: "hexpm", optional: false]}], "hexpm", "b1ec57f2e40316b306708fe59b92a16b9f6f4bf50ccfa41aa8c7feb79e0ec02a"},
   "phoenix_ecto": {:hex, :phoenix_ecto, "4.5.1", "6fdbc334ea53620e71655664df6f33f670747b3a7a6c4041cdda3e2c32df6257", [:mix], [{:ecto, "~> 3.5", [hex: :ecto, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.14.2 or ~> 3.0 or ~> 4.1", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:plug, "~> 1.9", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "ebe43aa580db129e54408e719fb9659b7f9e0d52b965c5be26cdca416ecead28"},
   "phoenix_pubsub": {:hex, :phoenix_pubsub, "2.1.3", "3168d78ba41835aecad272d5e8cd51aa87a7ac9eb836eabc42f6e57538e3731d", [:mix], [], "hexpm", "bba06bc1dcfd8cb086759f0edc94a8ba2bc8896d5331a1e2c2902bf8e36ee502"},

priv/repo/migrations/20240405181919_create_registrations.exs

@@ -10,6 +10,8 @@ defmodule TuskerPush.Repo.Migrations.CreateRegistrations do
       add :apns_environment, :string, null: false
       add :apns_device_token, :string, null: false
 
+      add :push_version, :integer, null: false
+
       timestamps()
     end
   end