honk/toys/fetch.go

54 lines
1.0 KiB
Go

package main
import (
"bytes"
"context"
"crypto/tls"
"fmt"
"io"
"log"
"net/http"
"time"
)
var debugClient = &http.Client{
Transport: &http.Transport{
TLSClientConfig: &tls.Config{
InsecureSkipVerify: true,
},
},
}
func fetchsome(url string) ([]byte, error) {
client := http.DefaultClient
if debugMode {
client = debugClient
}
req, err := http.NewRequest("GET", url, nil)
if err != nil {
log.Printf("error fetching %s: %s", url, err)
return nil, err
}
req.Header.Set("User-Agent", "honksnonk/4.0")
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
defer cancel()
req = req.WithContext(ctx)
resp, err := client.Do(req)
if err != nil {
log.Printf("error fetching %s: %s", url, err)
return nil, err
}
defer resp.Body.Close()
switch resp.StatusCode {
case 200:
case 201:
case 202:
default:
return nil, fmt.Errorf("http get not 200: %d %s", resp.StatusCode, url)
}
var buf bytes.Buffer
limiter := io.LimitReader(resp.Body, 10*1024*1024)
io.Copy(&buf, limiter)
return buf.Bytes(), nil
}