54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
// A logging http transport
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package fs
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import (
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"log"
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"net/http"
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"net/http/httputil"
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)
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const separator = "------------------------------------------------------------"
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// LoggedTransport is an http transport which logs the traffic
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type LoggedTransport struct {
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wrapped http.RoundTripper
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logBody bool
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}
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// NewLoggedTransport wraps the transport passed in and logs all roundtrips
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// including the body if logBody is set.
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func NewLoggedTransport(transport http.RoundTripper, logBody bool) *LoggedTransport {
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return &LoggedTransport{
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wrapped: transport,
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logBody: logBody,
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}
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}
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// CancelRequest cancels an in-flight request by closing its
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// connection. CancelRequest should only be called after RoundTrip has
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// returned.
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func (t *LoggedTransport) CancelRequest(req *http.Request) {
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if wrapped, ok := t.wrapped.(interface {
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CancelRequest(*http.Request)
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}); ok {
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log.Printf("CANCEL REQUEST %v", req)
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wrapped.CancelRequest(req)
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}
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}
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// RoundTrip implements the RoundTripper interface.
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func (t *LoggedTransport) RoundTrip(req *http.Request) (resp *http.Response, err error) {
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buf, _ := httputil.DumpRequest(req, t.logBody)
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log.Println(separator)
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log.Println("HTTP REQUEST")
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log.Println(string(buf))
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log.Println(separator)
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resp, err = t.wrapped.RoundTrip(req)
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buf, _ = httputil.DumpResponse(resp, t.logBody)
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log.Println(separator)
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log.Println("HTTP RESPONSE")
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log.Println(string(buf))
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log.Println(separator)
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return resp, err
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}
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