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mirror of https://github.com/octoleo/restic.git synced 2024-12-25 12:09:59 +00:00
restic/internal/backend/httpuseragent_roundtripper.go

26 lines
760 B
Go

package backend
import "net/http"
// httpUserAgentRoundTripper is a custom http.RoundTripper that modifies the User-Agent header
// of outgoing HTTP requests.
type httpUserAgentRoundTripper struct {
userAgent string
rt http.RoundTripper
}
func newCustomUserAgentRoundTripper(rt http.RoundTripper, userAgent string) *httpUserAgentRoundTripper {
return &httpUserAgentRoundTripper{
rt: rt,
userAgent: userAgent,
}
}
// RoundTrip modifies the User-Agent header of the request and then delegates the request
// to the underlying RoundTripper.
func (c *httpUserAgentRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
req = req.Clone(req.Context())
req.Header.Set("User-Agent", c.userAgent)
return c.rt.RoundTrip(req)
}