Upload of project source code files.

lib/vishnya_web/controllers/plugs/authenticate.ex

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+defmodule VishnyaWeb.Plugs.Authenticate do
+  import Plug.Conn
+  alias Vishnya.Repo
+  alias Vishnya.Accounts.User
+
+  def init(default), do: default
+
+  def call(conn, _default) do
+    case get_req_header(conn, "authorization") do
+      ["Bearer " <> token] ->
+        case authenticate_token(token) do
+          nil ->
+            conn
+            |> send_resp(401, "Unauthorized")
+            |> halt()
+
+          user ->
+            assign(conn, :user, user)
+        end
+
+      _ ->
+        conn
+        |> send_resp(401, "Unauthorized")
+        |> halt()
+    end
+  end
+
+  defp authenticate_token(token) do
+    Repo.get_by(User, token: token)
+  end
+end