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Backport #15456 This PR simply checks the status before writing the header. Signed-off-by: Andrew Thornton <art27@cantab.net>
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@ -4,7 +4,9 @@
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package context
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import "net/http"
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import (
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"net/http"
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)
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// ResponseWriter represents a response writer for HTTP
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type ResponseWriter interface {
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@ -60,8 +62,10 @@ func (r *Response) WriteHeader(statusCode int) {
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}
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r.beforeExecuted = true
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}
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r.status = statusCode
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r.ResponseWriter.WriteHeader(statusCode)
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if r.status == 0 {
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r.status = statusCode
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r.ResponseWriter.WriteHeader(statusCode)
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}
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}
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// Flush flush cached data
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