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package web
import (
"fmt"
"net/http"
"os"
"runtime"
"time"
"github.com/celrenheit/sandflake"
)
var (
startID = sandflake.Next()
hostname = "<unknown>"
started = time.Now()
)
func init() {
http.DefaultTransport = &userAgentTransport{http.DefaultTransport}
name, _ := os.Hostname()
if name != "" {
hostname = name
}
}
// GenUserAgent creates a unique User-Agent string for outgoing HTTP requests.
func GenUserAgent() string {
return fmt.Sprintf("github.com-Xe-x (%s/%s/%s; %s; +https://within.website/.x.botinfo) Alive (%s; sandflake) Hostname/%s Started (%s)", runtime.Version(), runtime.GOOS, runtime.GOARCH, os.Args[0], startID.String(), hostname, started.Format(time.RFC3339))
}
type userAgentTransport struct {
rt http.RoundTripper
}
func (uat userAgentTransport) RoundTrip(r *http.Request) (*http.Response, error) {
r.Header.Set("User-Agent", GenUserAgent())
return uat.rt.RoundTrip(r)
}
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