From 34c7e11d84059136ac8f526a6e179b29e62c6025 Mon Sep 17 00:00:00 2001
From: wn_ <invalid@email.com>
Date: Mon, 2 Jun 2025 20:57:31 +0000
Subject: [PATCH] Use the official JSON MIME type of 'application/json'.

---
 api/index.php              |  2 +-
 backend.php                | 16 ++++++++--------
 classes/API.php            |  2 +-
 classes/Handler_Public.php | 10 +++++-----
 public.php                 |  4 ++--
 5 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/api/index.php b/api/index.php
index 6110beb2b..8114e3a66 100644
--- a/api/index.php
+++ b/api/index.php
@@ -31,7 +31,7 @@
 
 	if (!empty($_SESSION["uid"])) {
 		if (!Sessions::validate_session()) {
-			header("Content-Type: text/json");
+			header("Content-Type: application/json");
 
 			print json_encode([
 						"seq" => -1,
diff --git a/backend.php b/backend.php
index d9a0af7c7..6098333b7 100644
--- a/backend.php
+++ b/backend.php
@@ -35,7 +35,7 @@
 		return;
 	}
 
-	header("Content-Type: text/json; charset=utf-8");
+	header("Content-Type: application/json; charset=utf-8");
 
 	if (Config::get(Config::SINGLE_USER_MODE)) {
 		UserHelper::authenticate("admin", null);
@@ -43,7 +43,7 @@
 
 	if (!empty($_SESSION["uid"])) {
 		if (!Sessions::validate_session()) {
-			header("Content-Type: text/json");
+			header("Content-Type: application/json");
 			print Errors::to_json(Errors::E_UNAUTHORIZED);
 
 			return;
@@ -113,7 +113,7 @@
 
 		if (str_starts_with($method, "_")) {
 			user_error("Refusing to invoke method $method of handler $op which starts with underscore.", E_USER_WARNING);
-			header("Content-Type: text/json");
+			header("Content-Type: application/json");
 			print Errors::to_json(Errors::E_UNAUTHORIZED);
 
 			return;
@@ -142,7 +142,7 @@
 							$handler->$method();
 						} else {
 							user_error("Refusing to invoke method $method of handler $op which has required parameters.", E_USER_WARNING);
-							header("Content-Type: text/json");
+							header("Content-Type: application/json");
 
 							print Errors::to_json(Errors::E_UNAUTHORIZED);
 						}
@@ -150,7 +150,7 @@
 						if (method_exists($handler, "catchall")) {
 							$handler->catchall($method);
 						} else {
-							header("Content-Type: text/json");
+							header("Content-Type: application/json");
 
 							print Errors::to_json(Errors::E_UNKNOWN_METHOD, ["info" => get_class($handler) . "->$method"]);
 						}
@@ -159,14 +159,14 @@
 					$handler->after();
 					return;
 				} else {
-					header("Content-Type: text/json");
+					header("Content-Type: application/json");
 					print Errors::to_json(Errors::E_UNAUTHORIZED);
 
 					return;
 				}
 			} else {
 				user_error("Refusing to invoke method $method of handler $op with invalid CSRF token.", E_USER_WARNING);
-				header("Content-Type: text/json");
+				header("Content-Type: application/json");
 				print Errors::to_json(Errors::E_UNAUTHORIZED);
 
 				return;
@@ -174,6 +174,6 @@
 		}
 	}
 
-	header("Content-Type: text/json");
+	header("Content-Type: application/json");
 	print Errors::to_json(Errors::E_UNKNOWN_METHOD, [ "info" => (isset($handler) ? get_class($handler) : "UNKNOWN:".$op) . "->$method"]);
 
diff --git a/classes/API.php b/classes/API.php
index e1d4de214..03f5a2502 100644
--- a/classes/API.php
+++ b/classes/API.php
@@ -30,7 +30,7 @@ class API extends Handler {
 
 	function before(string $method): bool {
 		if (parent::before($method)) {
-			header("Content-Type: text/json");
+			header("Content-Type: application/json");
 
 			if (empty($_SESSION["uid"]) && $method != "login" && $method != "isloggedin") {
 				$this->_wrap(self::STATUS_ERR, array("error" => self::E_NOT_LOGGED_IN));
diff --git a/classes/Handler_Public.php b/classes/Handler_Public.php
index 36820ab13..347a38381 100644
--- a/classes/Handler_Public.php
+++ b/classes/Handler_Public.php
@@ -248,7 +248,7 @@ class Handler_Public extends Handler {
 				array_push($feed['articles'], $article);
 			}
 
-			header("Content-Type: text/json; charset=utf-8");
+			header("Content-Type: application/json; charset=utf-8");
 			print json_encode($feed);
 
 		} else {
@@ -320,7 +320,7 @@ class Handler_Public extends Handler {
 
 			header("Location: " . $redirect_url);
 		} else {
-			header("Content-Type: text/json");
+			header("Content-Type: application/json");
 			print Errors::to_json(Errors::E_UNAUTHORIZED);
 		}
 	}
@@ -806,17 +806,17 @@ class Handler_Public extends Handler {
 					$plugin->$method();
 				} else {
 					user_error("PluginHandler[PUBLIC]: Requested private method '$method' of plugin '$plugin_name'.", E_USER_WARNING);
-					header("Content-Type: text/json");
+					header("Content-Type: application/json");
 					print Errors::to_json(Errors::E_UNAUTHORIZED);
 				}
 			} else {
 				user_error("PluginHandler[PUBLIC]: Requested unknown method '$method' of plugin '$plugin_name'.", E_USER_WARNING);
-				header("Content-Type: text/json");
+				header("Content-Type: application/json");
 				print Errors::to_json(Errors::E_UNKNOWN_METHOD);
 			}
 		} else {
 			user_error("PluginHandler[PUBLIC]: Requested method '$method' of unknown plugin '$plugin_name'.", E_USER_WARNING);
-			header("Content-Type: text/json");
+			header("Content-Type: application/json");
 			print Errors::to_json(Errors::E_UNKNOWN_PLUGIN, ['plugin' => $plugin_name]);
 		}
 	}
diff --git a/public.php b/public.php
index 5d99fe519..68327c2d7 100644
--- a/public.php
+++ b/public.php
@@ -34,7 +34,7 @@
 
 	if (str_starts_with($method, "_")) {
 		user_error("Refusing to invoke method $method which starts with underscore.", E_USER_WARNING);
-		header("Content-Type: text/json");
+		header("Content-Type: application/json");
 		print Errors::to_json(Errors::E_UNAUTHORIZED);
 
 		return;
@@ -49,7 +49,7 @@
 				$handler->$method();
 			} else {
 				user_error("Refusing to invoke method $method which has required parameters.", E_USER_WARNING);
-				header("Content-Type: text/json");
+				header("Content-Type: application/json");
 				print Errors::to_json(Errors::E_UNAUTHORIZED);
 
 			}