Uncaught (in promise) DOMException: Failed to execute 'pushState' on 'History': A history state object with URL 'http://example.com.au/dev/despatch' cannot be created in a document with origin 'https://example.com.au' and URL 'https://example.com.au/dev/despatch'.
I got the above error when attempting to click an Inertia JS Link.
The problem ended up being that I had
<CakePHP 4 Web Application Served via HTTP>—<Ha Proxy terminating HTTPS>—-Web Client
The issue was CakePHP 4 was creating a full URL but it was http://example.com/dev/despatch
return Router::url($this->getRequest()->getRequestTarget(), true);
To fix it I modified the $fullBaseUrl code in config/bootstrap.php to detect the front end proxy via a header as follows:
/*
* Set the full base URL.
* This URL is used as the base of all absolute links.
*/
// mine is set to App.fullBaseUrl = false;
$fullBaseUrl = Configure::read('App.fullBaseUrl');
if (!$fullBaseUrl) {
$s = null;
// HaProxy is passing HTTP_X_FORWARDED_PROTO header back to CakePHP 4
// read it and change scheme to https
if (env('HTTPS') || env('HTTP_X_FORWARDED_PROTO') === 'https') {
$s = 's';
}
$httpHost = env('HTTP_HOST');
if (isset($httpHost)) {
$fullBaseUrl = 'http' . $s . '://' . $httpHost;
}
unset($httpHost, $s);
}
if ($fullBaseUrl) {
Router::fullBaseUrl($fullBaseUrl);
}
unset($fullBaseUrl);
Now it correctly sets the Full Base URL and no longer has the front end error as above.
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