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Allow redirect to external sites if CORS isn't enabled #1891

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Allow redirect to external sites if CORS isn't enabled #1891

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10 changes: 9 additions & 1 deletion lib/IHP/static/helpers.js
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Original file line number Diff line number Diff line change
Expand Up @@ -296,7 +296,15 @@ window.submitForm = function (form, possibleClickedButton) {
'Content-Type',
'application/x-www-form-urlencoded'
);
request.send(parameters.join('&'));

try {
request.send(parameters.join('&'));
} catch (e) {
// If the send method throws an exception, redirect to the form action URL.
// This can happen for example if redirecting to an external site, which doesn't have CORS enabled,
// so we can't use Ajax.
window.location.href = url;
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This won't work for forms that are submitted via POST. I don't think this can be really fixed at all except by disabling the JS form submission in those forms

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Ok, I'll share my example code soon to show my use case

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Here's the example: amitaibu/ihp-cms-starter#35

If you navigate to http://localhost:8000 without the PR it will result with console error. With the PR you'll be redirected to the repo of one of the best Haskell frameworks! 😄

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@mpscholten ^^

}
}

var buttons = form.getElementsByTagName('button');
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