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acceptor.go
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/
acceptor.go
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package pusher
import (
"http"
)
// Acceptor is a pre-flight mechanism for a) authenticating incoming
// subscriber/publisher request and b) extracting a channel id from a request.
// The channel id is gIf an acceptor decides that the request should NOT be
// allowed to publish/subscribe, then it must return an empty string.
type Acceptor func(req *http.Request) string
// StaticAcceptor accepts all requests and uses always an static channel id.
func StaticAcceptor(cid string) Acceptor {
return func(req *http.Request) string {
return cid
}
}
// QueryParameterAcceptor accepts all requests and uses always a provided parameter
// form the query as the channel id.
func QueryParameterAcceptor(parameterName string) Acceptor {
return func(req *http.Request) string {
return req.FormValue(parameterName)
}
}