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I'd like to discuss adding the possibility to handle OPTIONS
requests as well in the handler.
This would allow to handle CORS requests that initiate a Preflight request.
The handler could then act depending on the request method, as shown in the following example:
class Handler
def run(body, headers)
if headers['REQUEST_METHOD'] == 'OPTIONS'
return [
[],
{
'Allow' => 'POST, GET, OPTIONS',
'Access-Control-Allow-Methods' => 'POST, GET, OPTIONS',
'Access-Control-Allow-Origin' => '*',
'Access-Control-Allow-Headers' => 'Accept'
}
]
end
# ....
end
The change is backwards compatible, we'd only have to add one more route to sinatra.
We could also discuss to allow all available request methods.
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