1 files changed, 34 insertions, 0 deletions
diff --git a/src/actions/mixins/api/auth/require_auth_token.cr b/src/actions/mixins/api/auth/require_auth_token.cr
new file mode 100644
index 0000000..e018638
--- /dev/null
+++ b/src/actions/mixins/api/auth/require_auth_token.cr
@@ -0,0 +1,34 @@
+module Api::Auth::RequireAuthToken
+  macro included
+    before require_auth_token
+  end
+
+  private def require_auth_token
+    if current_user?
+      continue
+    else
+      json auth_error_json, 401
+    end
+  end
+
+  private def auth_error_json
+    ErrorSerializer.new(
+      message: "Not authenticated.",
+      details: auth_error_details
+    )
+  end
+
+  private def auth_error_details : String
+    if auth_token
+      "The provided authentication token was incorrect."
+    else
+      "An authentication token is required. Please include a token in an 'auth_token' param or 'Authorization' header."
+    end
+  end
+
+  # Tells the compiler that the current_user is not nil since we have checked
+  # that the user is signed in
+  private def current_user : User
+    current_user?.as(User)
+  end
+end